diff options
Diffstat (limited to 'src')
478 files changed, 14231 insertions, 11690 deletions
diff --git a/src/bootstrap/bootstrap.py b/src/bootstrap/bootstrap.py index c298817895c..013d1ab525b 100644 --- a/src/bootstrap/bootstrap.py +++ b/src/bootstrap/bootstrap.py @@ -784,6 +784,8 @@ class RustBuild(object): if self.get_toml("metrics", "build"): args.append("--features") args.append("build-metrics") + if self.json_output: + args.append("--message-format=json") if color == "always": args.append("--color=always") elif color == "never": @@ -841,6 +843,7 @@ def parse_args(): parser.add_argument('--build') parser.add_argument('--color', choices=['always', 'never', 'auto']) parser.add_argument('--clean', action='store_true') + parser.add_argument('--json-output', action='store_true') parser.add_argument('-v', '--verbose', action='count', default=0) return parser.parse_known_args(sys.argv)[0] @@ -852,6 +855,7 @@ def bootstrap(args): build.rust_root = os.path.abspath(os.path.join(__file__, '../../..')) build.verbose = args.verbose != 0 build.clean = args.clean + build.json_output = args.json_output # Read from `--config`, then `RUST_BOOTSTRAP_CONFIG`, then `./config.toml`, # then `config.toml` in the root directory. @@ -937,6 +941,7 @@ def main(): ) exit_code = 0 + success_word = "successfully" try: bootstrap(args) except (SystemExit, KeyboardInterrupt) as error: @@ -945,9 +950,10 @@ def main(): else: exit_code = 1 print(error) + success_word = "unsuccessfully" if not help_triggered: - print("Build completed successfully in", format_build_time(time() - start_time)) + print("Build completed", success_word, "in", format_build_time(time() - start_time)) sys.exit(exit_code) diff --git a/src/bootstrap/builder/tests.rs b/src/bootstrap/builder/tests.rs index d5fcd107502..3574f11189e 100644 --- a/src/bootstrap/builder/tests.rs +++ b/src/bootstrap/builder/tests.rs @@ -557,6 +557,7 @@ mod dist { rustfix_coverage: false, pass: None, run: None, + only_modified: false, }; let build = Build::new(config); @@ -627,6 +628,7 @@ mod dist { rustfix_coverage: false, pass: None, run: None, + only_modified: false, }; // Make sure rustfmt binary not being found isn't an error. config.channel = "beta".to_string(); diff --git a/src/bootstrap/check.rs b/src/bootstrap/check.rs index 4b8a58e87b6..1675ed158c9 100644 --- a/src/bootstrap/check.rs +++ b/src/bootstrap/check.rs @@ -99,6 +99,10 @@ impl Step for Std { cargo_subcommand(builder.kind), ); std_cargo(builder, target, compiler.stage, &mut cargo); + if matches!(builder.config.cmd, Subcommand::Fix { .. }) { + // By default, cargo tries to fix all targets. Tell it not to fix tests until we've added `test` to the sysroot. + cargo.arg("--lib"); + } builder.info(&format!( "Checking stage{} library artifacts ({} -> {})", diff --git a/src/bootstrap/download.rs b/src/bootstrap/download.rs index bd67978a766..d6592d2d771 100644 --- a/src/bootstrap/download.rs +++ b/src/bootstrap/download.rs @@ -2,7 +2,7 @@ use std::{ env, ffi::{OsStr, OsString}, fs::{self, File}, - io::{BufRead, BufReader, ErrorKind}, + io::{self, BufRead, BufReader, ErrorKind}, path::{Path, PathBuf}, process::{Command, Stdio}, }; @@ -26,6 +26,14 @@ impl Config { self.verbose > 0 } + pub fn symlink_file<P: AsRef<Path>, Q: AsRef<Path>>(&self, src: P, link: Q) -> io::Result<()> { + #[cfg(unix)] + use std::os::unix::fs::symlink as symlink_file; + #[cfg(windows)] + use std::os::windows::fs::symlink_file; + if !self.dry_run() { symlink_file(src.as_ref(), link.as_ref()) } else { Ok(()) } + } + pub(crate) fn create(&self, path: &Path, s: &str) { if self.dry_run() { return; @@ -173,8 +181,7 @@ impl Config { // appear to have this (even when `../lib` is redundant). // NOTE: there are only two paths here, delimited by a `:` let mut entries = OsString::from("$ORIGIN/../lib:"); - entries.push(t!(fs::canonicalize(nix_deps_dir))); - entries.push("/lib"); + entries.push(t!(fs::canonicalize(nix_deps_dir)).join("lib")); entries }; patchelf.args(&[OsString::from("--set-rpath"), rpath_entries]); @@ -221,10 +228,10 @@ impl Config { "--retry", "3", "-Sf", - "-o", ]); - curl.arg(tempfile); curl.arg(url); + let f = File::create(tempfile).unwrap(); + curl.stdout(Stdio::from(f)); if !self.check_run(&mut curl) { if self.build.contains("windows-msvc") { println!("Fallback to PowerShell"); @@ -331,6 +338,15 @@ impl Config { let bin_root = self.out.join(host.triple).join("rustfmt"); let rustfmt_path = bin_root.join("bin").join(exe("rustfmt", host)); let rustfmt_stamp = bin_root.join(".rustfmt-stamp"); + + #[cfg(not(windows))] + { + let legacy_rustfmt = self.initial_rustc.with_file_name(exe("rustfmt", host)); + if !legacy_rustfmt.exists() { + t!(self.symlink_file(&rustfmt_path, &legacy_rustfmt)); + } + } + if rustfmt_path.exists() && !program_out_of_date(&rustfmt_stamp, &channel) { return Some(rustfmt_path); } @@ -353,6 +369,13 @@ impl Config { if self.should_fix_bins_and_dylibs() { self.fix_bin_or_dylib(&bin_root.join("bin").join("rustfmt")); self.fix_bin_or_dylib(&bin_root.join("bin").join("cargo-fmt")); + let lib_dir = bin_root.join("lib"); + for lib in t!(fs::read_dir(&lib_dir), lib_dir.display().to_string()) { + let lib = t!(lib); + if lib.path().extension() == Some(OsStr::new("so")) { + self.fix_bin_or_dylib(&lib.path()); + } + } } self.create(&rustfmt_stamp, &channel); diff --git a/src/bootstrap/flags.rs b/src/bootstrap/flags.rs index 52c3dc0bf75..ff927ed561b 100644 --- a/src/bootstrap/flags.rs +++ b/src/bootstrap/flags.rs @@ -124,6 +124,7 @@ pub enum Subcommand { fail_fast: bool, doc_tests: DocTests, rustfix_coverage: bool, + only_modified: bool, }, Bench { paths: Vec<PathBuf>, @@ -301,6 +302,7 @@ To learn more about a subcommand, run `./x.py <subcommand> -h`", opts.optflag("", "doc", "only run doc tests"); opts.optflag("", "bless", "update all stderr/stdout files of failing ui tests"); opts.optflag("", "force-rerun", "rerun tests even if the inputs are unchanged"); + opts.optflag("", "only-modified", "only run tests that result has been changed"); opts.optopt( "", "compare-mode", @@ -598,6 +600,7 @@ Arguments: rustc_args: matches.opt_strs("rustc-args"), fail_fast: !matches.opt_present("no-fail-fast"), rustfix_coverage: matches.opt_present("rustfix-coverage"), + only_modified: matches.opt_present("only-modified"), doc_tests: if matches.opt_present("doc") { DocTests::Only } else if matches.opt_present("no-doc") { @@ -777,6 +780,13 @@ impl Subcommand { } } + pub fn only_modified(&self) -> bool { + match *self { + Subcommand::Test { only_modified, .. } => only_modified, + _ => false, + } + } + pub fn force_rerun(&self) -> bool { match *self { Subcommand::Test { force_rerun, .. } => force_rerun, diff --git a/src/bootstrap/format.rs b/src/bootstrap/format.rs index bfc57a85cdb..615794958d0 100644 --- a/src/bootstrap/format.rs +++ b/src/bootstrap/format.rs @@ -1,8 +1,8 @@ //! Runs rustfmt on the repository. use crate::builder::Builder; -use crate::util::{output, output_result, program_out_of_date, t}; -use build_helper::git::updated_master_branch; +use crate::util::{output, program_out_of_date, t}; +use build_helper::git::get_git_modified_files; use ignore::WalkBuilder; use std::collections::VecDeque; use std::path::{Path, PathBuf}; @@ -80,23 +80,11 @@ fn update_rustfmt_version(build: &Builder<'_>) { /// /// Returns `None` if all files should be formatted. fn get_modified_rs_files(build: &Builder<'_>) -> Result<Option<Vec<String>>, String> { - let Ok(updated_master) = updated_master_branch(Some(&build.config.src)) else { return Ok(None); }; - if !verify_rustfmt_version(build) { return Ok(None); } - let merge_base = - output_result(build.config.git().arg("merge-base").arg(&updated_master).arg("HEAD"))?; - Ok(Some( - output_result( - build.config.git().arg("diff-index").arg("--name-only").arg(merge_base.trim()), - )? - .lines() - .map(|s| s.trim().to_owned()) - .filter(|f| Path::new(f).extension().map_or(false, |ext| ext == "rs")) - .collect(), - )) + get_git_modified_files(Some(&build.config.src), &vec!["rs"]) } #[derive(serde::Deserialize)] @@ -205,10 +193,46 @@ pub fn format(build: &Builder<'_>, check: bool, paths: &[PathBuf]) { let (tx, rx): (SyncSender<PathBuf>, _) = std::sync::mpsc::sync_channel(128); let walker = match paths.get(0) { Some(first) => { - let mut walker = WalkBuilder::new(first); + let find_shortcut_candidates = |p: &PathBuf| { + let mut candidates = Vec::new(); + for candidate in WalkBuilder::new(src.clone()).max_depth(Some(3)).build() { + if let Ok(entry) = candidate { + if let Some(dir_name) = p.file_name() { + if entry.path().is_dir() && entry.file_name() == dir_name { + candidates.push(entry.into_path()); + } + } + } + } + candidates + }; + + // Only try to look for shortcut candidates for single component paths like + // `std` and not for e.g. relative paths like `../library/std`. + let should_look_for_shortcut_dir = |p: &PathBuf| p.components().count() == 1; + + let mut walker = if should_look_for_shortcut_dir(first) { + if let [single_candidate] = &find_shortcut_candidates(first)[..] { + WalkBuilder::new(single_candidate) + } else { + WalkBuilder::new(first) + } + } else { + WalkBuilder::new(first) + }; + for path in &paths[1..] { - walker.add(path); + if should_look_for_shortcut_dir(path) { + if let [single_candidate] = &find_shortcut_candidates(path)[..] { + walker.add(single_candidate); + } else { + walker.add(path); + } + } else { + walker.add(path); + } } + walker } None => WalkBuilder::new(src.clone()), diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs index f4abdf1cc57..f753720b353 100644 --- a/src/bootstrap/lib.rs +++ b/src/bootstrap/lib.rs @@ -20,7 +20,6 @@ use std::cell::{Cell, RefCell}; use std::collections::{HashMap, HashSet}; use std::env; use std::fs::{self, File}; -use std::io; use std::io::ErrorKind; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; @@ -1407,7 +1406,7 @@ impl Build { src = t!(fs::canonicalize(src)); } else { let link = t!(fs::read_link(src)); - t!(self.symlink_file(link, dst)); + t!(self.config.symlink_file(link, dst)); return; } } @@ -1525,14 +1524,6 @@ impl Build { iter.map(|e| t!(e)).collect::<Vec<_>>().into_iter() } - fn symlink_file<P: AsRef<Path>, Q: AsRef<Path>>(&self, src: P, link: Q) -> io::Result<()> { - #[cfg(unix)] - use std::os::unix::fs::symlink as symlink_file; - #[cfg(windows)] - use std::os::windows::fs::symlink_file; - if !self.config.dry_run() { symlink_file(src.as_ref(), link.as_ref()) } else { Ok(()) } - } - /// Returns if config.ninja is enabled, and checks for ninja existence, /// exiting with a nicer error message if not. fn ninja(&self) -> bool { diff --git a/src/bootstrap/native.rs b/src/bootstrap/native.rs index 3acc2d4b5c4..9235de75ec6 100644 --- a/src/bootstrap/native.rs +++ b/src/bootstrap/native.rs @@ -516,7 +516,7 @@ impl Step for Llvm { let lib_llvm = out_dir.join("build").join("lib").join(lib_name); if !lib_llvm.exists() { - t!(builder.symlink_file("libLLVM.dylib", &lib_llvm)); + t!(builder.build.config.symlink_file("libLLVM.dylib", &lib_llvm)); } } @@ -561,11 +561,11 @@ fn check_llvm_version(builder: &Builder<'_>, llvm_config: &Path) { let version = output(cmd.arg("--version")); let mut parts = version.split('.').take(2).filter_map(|s| s.parse::<u32>().ok()); if let (Some(major), Some(_minor)) = (parts.next(), parts.next()) { - if major >= 13 { + if major >= 14 { return; } } - panic!("\n\nbad LLVM version: {}, need >=13.0\n\n", version) + panic!("\n\nbad LLVM version: {}, need >=14.0\n\n", version) } fn configure_cmake( diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs index 8a0c532cfb0..f8835fe11a8 100644 --- a/src/bootstrap/test.rs +++ b/src/bootstrap/test.rs @@ -1510,6 +1510,10 @@ note: if you're sure you want to do this, please open an issue as to why. In the if builder.config.rust_optimize_tests { cmd.arg("--optimize-tests"); } + if builder.config.cmd.only_modified() { + cmd.arg("--only-modified"); + } + let mut flags = if is_rustdoc { Vec::new() } else { vec!["-Crpath".to_string()] }; flags.push(format!("-Cdebuginfo={}", builder.config.rust_debuginfo_level_tests)); flags.extend(builder.config.cmd.rustc_args().iter().map(|s| s.to_string())); diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-13-stage1/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-13-stage1/Dockerfile deleted file mode 100644 index bcbf58253b1..00000000000 --- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-13-stage1/Dockerfile +++ /dev/null @@ -1,49 +0,0 @@ -FROM ubuntu:22.04 - -ARG DEBIAN_FRONTEND=noninteractive -RUN apt-get update && apt-get install -y --no-install-recommends \ - g++ \ - gcc-multilib \ - make \ - ninja-build \ - file \ - curl \ - ca-certificates \ - python2.7 \ - git \ - cmake \ - sudo \ - gdb \ - llvm-13-tools \ - llvm-13-dev \ - libedit-dev \ - libssl-dev \ - pkg-config \ - zlib1g-dev \ - xz-utils \ - nodejs \ - && rm -rf /var/lib/apt/lists/* - -COPY scripts/sccache.sh /scripts/ -RUN sh /scripts/sccache.sh - -# We are disabling CI LLVM since this builder is intentionally using a host -# LLVM, rather than the typical src/llvm-project LLVM. -ENV NO_DOWNLOAD_CI_LLVM 1 - -# Using llvm-link-shared due to libffi issues -- see #34486 -ENV RUST_CONFIGURE_ARGS \ - --build=x86_64-unknown-linux-gnu \ - --llvm-root=/usr/lib/llvm-13 \ - --enable-llvm-link-shared \ - --set rust.thin-lto-import-instr-limit=10 - -ENV SCRIPT python2.7 ../x.py --stage 1 test --exclude src/tools/tidy && \ - # Run the `mir-opt` tests again but this time for a 32-bit target. - # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have - # both 32-bit and 64-bit outputs updated by the PR author, before - # the PR is approved and tested for merging. - # It will also detect tests lacking `// EMIT_MIR_FOR_EACH_BIT_WIDTH`, - # despite having different output on 32-bit vs 64-bit targets. - python2.7 ../x.py --stage 1 test tests/mir-opt \ - --host='' --target=i686-unknown-linux-gnu diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-13/Dockerfile b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-14-stage1/Dockerfile index 9fc9e9cbffb..b99a0886b4d 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-llvm-13/Dockerfile +++ b/src/ci/docker/host-x86_64/x86_64-gnu-llvm-14-stage1/Dockerfile @@ -1,8 +1,6 @@ FROM ubuntu:22.04 ARG DEBIAN_FRONTEND=noninteractive - -# NOTE: intentionally installs both python2 and python3 so we can test support for both. RUN apt-get update && apt-get install -y --no-install-recommends \ g++ \ gcc-multilib \ @@ -11,28 +9,20 @@ RUN apt-get update && apt-get install -y --no-install-recommends \ file \ curl \ ca-certificates \ - python2.7 \ - python3.9 \ + python3 \ git \ cmake \ sudo \ gdb \ - llvm-13-tools \ - llvm-13-dev \ + llvm-14-tools \ + llvm-14-dev \ libedit-dev \ libssl-dev \ pkg-config \ zlib1g-dev \ xz-utils \ nodejs \ - \ -# Install powershell so we can test x.ps1 on Linux - apt-transport-https software-properties-common && \ - curl -s "https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb" > packages-microsoft-prod.deb && \ - dpkg -i packages-microsoft-prod.deb && \ - apt-get update && \ - apt-get install -y powershell \ - && rm -rf /var/lib/apt/lists/* + && rm -rf /var/lib/apt/lists/* COPY scripts/sccache.sh /scripts/ RUN sh /scripts/sccache.sh @@ -44,26 +34,16 @@ ENV NO_DOWNLOAD_CI_LLVM 1 # Using llvm-link-shared due to libffi issues -- see #34486 ENV RUST_CONFIGURE_ARGS \ --build=x86_64-unknown-linux-gnu \ - --llvm-root=/usr/lib/llvm-13 \ + --llvm-root=/usr/lib/llvm-14 \ --enable-llvm-link-shared \ --set rust.thin-lto-import-instr-limit=10 -# NOTE: intentionally uses all of `x.py`, `x`, and `x.ps1` to make sure they all work on Linux. -ENV SCRIPT ../x.py --stage 2 test --exclude src/tools/tidy && \ +ENV SCRIPT ../x.py --stage 1 test --exclude src/tools/tidy && \ # Run the `mir-opt` tests again but this time for a 32-bit target. # This enforces that tests using `// EMIT_MIR_FOR_EACH_BIT_WIDTH` have # both 32-bit and 64-bit outputs updated by the PR author, before # the PR is approved and tested for merging. # It will also detect tests lacking `// EMIT_MIR_FOR_EACH_BIT_WIDTH`, # despite having different output on 32-bit vs 64-bit targets. - ../x --stage 2 test tests/mir-opt \ - --host='' --target=i686-unknown-linux-gnu && \ - # Run the UI test suite again, but in `--pass=check` mode - # - # This is intended to make sure that both `--pass=check` continues to - # work. - # - ../x.ps1 --stage 2 test tests/ui --pass=check \ - --host='' --target=i686-unknown-linux-gnu && \ - # Run tidy at the very end, after all the other tests. - python2.7 ../x.py --stage 2 test src/tools/tidy + ../x.py --stage 1 test tests/mir-opt \ + --host='' --target=i686-unknown-linux-gnu diff --git a/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version b/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version index c39e9c5fbc9..94ec2401292 100644 --- a/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version +++ b/src/ci/docker/host-x86_64/x86_64-gnu-tools/browser-ui-test.version @@ -1 +1 @@ -0.14.1 \ No newline at end of file +0.14.3 \ No newline at end of file diff --git a/src/ci/github-actions/ci.yml b/src/ci/github-actions/ci.yml index 3c128c0ca25..ad9c308ad85 100644 --- a/src/ci/github-actions/ci.yml +++ b/src/ci/github-actions/ci.yml @@ -300,7 +300,7 @@ jobs: <<: *job-linux-xl tidy: true - - name: x86_64-gnu-llvm-13 + - name: x86_64-gnu-llvm-14 <<: *job-linux-xl tidy: false @@ -459,12 +459,7 @@ jobs: RUST_BACKTRACE: 1 <<: *job-linux-xl - - name: x86_64-gnu-llvm-13 - env: - RUST_BACKTRACE: 1 - <<: *job-linux-xl - - - name: x86_64-gnu-llvm-13-stage1 + - name: x86_64-gnu-llvm-14-stage1 env: RUST_BACKTRACE: 1 <<: *job-linux-xl diff --git a/src/ci/stage-build.py b/src/ci/stage-build.py index 662c9e36694..bd8fd524a26 100644 --- a/src/ci/stage-build.py +++ b/src/ci/stage-build.py @@ -6,6 +6,7 @@ import contextlib import getpass import glob +import json import logging import os import pprint @@ -17,7 +18,8 @@ import traceback import urllib.request from io import StringIO from pathlib import Path -from typing import Callable, Dict, Iterable, Iterator, List, Optional, Tuple, Union +from typing import Callable, ContextManager, Dict, Iterable, Iterator, List, Optional, \ + Tuple, Union PGO_HOST = os.environ["PGO_HOST"] @@ -115,6 +117,9 @@ class Pipeline: def llvm_bolt_profile_merged_file(self) -> Path: return self.opt_artifacts() / "bolt.profdata" + def metrics_path(self) -> Path: + return self.build_root() / "build" / "metrics.json" + class LinuxPipeline(Pipeline): def checkout_path(self) -> Path: @@ -208,38 +213,34 @@ def get_timestamp() -> float: Duration = float -TimerSection = Union[Duration, "Timer"] -def iterate_sections(section: TimerSection, name: str, level: int = 0) -> Iterator[Tuple[int, str, Duration]]: +def iterate_timers(timer: "Timer", name: str, level: int = 0) -> Iterator[ + Tuple[int, str, Duration]]: """ - Hierarchically iterate the sections of a timer, in a depth-first order. + Hierarchically iterate the children of a timer, in a depth-first order. """ - if isinstance(section, Duration): - yield (level, name, section) - elif isinstance(section, Timer): - yield (level, name, section.total_duration()) - for (child_name, child_section) in section.sections: - yield from iterate_sections(child_section, child_name, level=level + 1) - else: - assert False + yield (level, name, timer.total_duration()) + for (child_name, child_timer) in timer.children: + yield from iterate_timers(child_timer, child_name, level=level + 1) class Timer: def __init__(self, parent_names: Tuple[str, ...] = ()): - self.sections: List[Tuple[str, TimerSection]] = [] + self.children: List[Tuple[str, Timer]] = [] self.section_active = False self.parent_names = parent_names + self.duration_excluding_children: Duration = 0 @contextlib.contextmanager - def section(self, name: str) -> "Timer": + def section(self, name: str) -> ContextManager["Timer"]: assert not self.section_active self.section_active = True start = get_timestamp() exc = None - child_timer = Timer(parent_names=self.parent_names + (name, )) + child_timer = Timer(parent_names=self.parent_names + (name,)) full_name = " > ".join(child_timer.parent_names) try: LOGGER.info(f"Section `{full_name}` starts") @@ -251,10 +252,8 @@ class Timer: end = get_timestamp() duration = end - start - if child_timer.has_children(): - self.sections.append((name, child_timer)) - else: - self.sections.append((name, duration)) + child_timer.duration_excluding_children = duration - child_timer.total_duration() + self.add_child(name, child_timer) if exc is None: LOGGER.info(f"Section `{full_name}` ended: OK ({duration:.2f}s)") else: @@ -262,22 +261,17 @@ class Timer: self.section_active = False def total_duration(self) -> Duration: - duration = 0 - for (_, section) in self.sections: - if isinstance(section, Duration): - duration += section - else: - duration += section.total_duration() - return duration + return self.duration_excluding_children + sum( + c.total_duration() for (_, c) in self.children) def has_children(self) -> bool: - return len(self.sections) > 0 + return len(self.children) > 0 def print_stats(self): rows = [] - for (child_name, child_section) in self.sections: - for (level, name, duration) in iterate_sections(child_section, child_name, level=0): - label = f"{' ' * level}{name}:" + for (child_name, child_timer) in self.children: + for (level, name, duration) in iterate_timers(child_timer, child_name, level=0): + label = f"{' ' * level}{name}:" rows.append((label, duration)) # Empty row @@ -305,6 +299,60 @@ class Timer: print(divider, file=output, end="") LOGGER.info(f"Timer results\n{output.getvalue()}") + def add_child(self, name: str, timer: "Timer"): + self.children.append((name, timer)) + + def add_duration(self, name: str, duration: Duration): + timer = Timer(parent_names=self.parent_names + (name,)) + timer.duration_excluding_children = duration + self.add_child(name, timer) + + +class BuildStep: + def __init__(self, type: str, children: List["BuildStep"], duration: float): + self.type = type + self.children = children + self.duration = duration + + def find_all_by_type(self, type: str) -> Iterator["BuildStep"]: + if type == self.type: + yield self + for child in self.children: + yield from child.find_all_by_type(type) + + def __repr__(self): + return f"BuildStep(type={self.type}, duration={self.duration}, children={len(self.children)})" + + +def load_last_metrics(path: Path) -> BuildStep: + """ + Loads the metrics of the most recent bootstrap execution from a metrics.json file. + """ + with open(path, "r") as f: + metrics = json.load(f) + invocation = metrics["invocations"][-1] + + def parse(entry) -> Optional[BuildStep]: + if "kind" not in entry or entry["kind"] != "rustbuild_step": + return None + type = entry.get("type", "") + duration = entry.get("duration_excluding_children_sec", 0) + children = [] + + for child in entry.get("children", ()): + step = parse(child) + if step is not None: + children.append(step) + duration += step.duration + return BuildStep(type=type, children=children, duration=duration) + + children = [parse(child) for child in invocation.get("children", ())] + return BuildStep( + type="root", + children=children, + duration=invocation.get("duration_including_children_sec", 0) + ) + @contextlib.contextmanager def change_cwd(dir: Path): @@ -644,10 +692,58 @@ def print_binary_sizes(pipeline: Pipeline): with StringIO() as output: for path in paths: path_str = f"{path.name}:" - print(f"{path_str:<30}{format_bytes(path.stat().st_size):>14}", file=output) + print(f"{path_str:<50}{format_bytes(path.stat().st_size):>14}", file=output) LOGGER.info(f"Rustc binary size\n{output.getvalue()}") +def print_free_disk_space(pipeline: Pipeline): + usage = shutil.disk_usage(pipeline.opt_artifacts()) + total = usage.total + used = usage.used + free = usage.free + + logging.info( + f"Free disk space: {format_bytes(free)} out of total {format_bytes(total)} ({(used / total) * 100:.2f}% used)") + + +def log_metrics(step: BuildStep): + substeps: List[Tuple[int, BuildStep]] = [] + + def visit(step: BuildStep, level: int): + substeps.append((level, step)) + for child in step.children: + visit(child, level=level + 1) + + visit(step, 0) + + output = StringIO() + for (level, step) in substeps: + label = f"{'.' * level}{step.type}" + print(f"{label:<65}{step.duration:>8.2f}s", file=output) + logging.info(f"Build step durations\n{output.getvalue()}") + + +def record_metrics(pipeline: Pipeline, timer: Timer): + metrics = load_last_metrics(pipeline.metrics_path()) + if metrics is None: + return + llvm_steps = tuple(metrics.find_all_by_type("bootstrap::native::Llvm")) + assert len(llvm_steps) > 0 + llvm_duration = sum(step.duration for step in llvm_steps) + + rustc_steps = tuple(metrics.find_all_by_type("bootstrap::compile::Rustc")) + assert len(rustc_steps) > 0 + rustc_duration = sum(step.duration for step in rustc_steps) + + # The LLVM step is part of the Rustc step + rustc_duration -= llvm_duration + + timer.add_duration("LLVM", llvm_duration) + timer.add_duration("Rustc", rustc_duration) + + log_metrics(metrics) + + def execute_build_pipeline(timer: Timer, pipeline: Pipeline, final_build_args: List[str]): # Clear and prepare tmp directory shutil.rmtree(pipeline.opt_artifacts(), ignore_errors=True) @@ -657,15 +753,17 @@ def execute_build_pipeline(timer: Timer, pipeline: Pipeline, final_build_args: L # Stage 1: Build rustc + PGO instrumented LLVM with timer.section("Stage 1 (LLVM PGO)") as stage1: - with stage1.section("Build rustc and LLVM"): + with stage1.section("Build rustc and LLVM") as rustc_build: build_rustc(pipeline, args=[ "--llvm-profile-generate" ], env=dict( LLVM_PROFILE_DIR=str(pipeline.llvm_profile_dir_root() / "prof-%p") )) + record_metrics(pipeline, rustc_build) with stage1.section("Gather profiles"): gather_llvm_profiles(pipeline) + print_free_disk_space(pipeline) clear_llvm_files(pipeline) final_build_args += [ @@ -675,14 +773,16 @@ def execute_build_pipeline(timer: Timer, pipeline: Pipeline, final_build_args: L # Stage 2: Build PGO instrumented rustc + LLVM with timer.section("Stage 2 (rustc PGO)") as stage2: - with stage2.section("Build rustc and LLVM"): + with stage2.section("Build rustc and LLVM") as rustc_build: build_rustc(pipeline, args=[ "--rust-profile-generate", pipeline.rustc_profile_dir_root() ]) + record_metrics(pipeline, rustc_build) with stage2.section("Gather profiles"): gather_rustc_profiles(pipeline) + print_free_disk_space(pipeline) clear_llvm_files(pipeline) final_build_args += [ @@ -693,15 +793,18 @@ def execute_build_pipeline(timer: Timer, pipeline: Pipeline, final_build_args: L # Stage 3: Build rustc + BOLT instrumented LLVM if pipeline.supports_bolt(): with timer.section("Stage 3 (LLVM BOLT)") as stage3: - with stage3.section("Build rustc and LLVM"): + with stage3.section("Build rustc and LLVM") as rustc_build: build_rustc(pipeline, args=[ "--llvm-profile-use", pipeline.llvm_profile_merged_file(), "--llvm-bolt-profile-generate", ]) + record_metrics(pipeline, rustc_build) + with stage3.section("Gather profiles"): gather_llvm_bolt_profiles(pipeline) + print_free_disk_space(pipeline) clear_llvm_files(pipeline) final_build_args += [ "--llvm-bolt-profile-use", @@ -709,8 +812,9 @@ def execute_build_pipeline(timer: Timer, pipeline: Pipeline, final_build_args: L ] # Stage 4: Build PGO optimized rustc + PGO/BOLT optimized LLVM - with timer.section("Stage 4 (final build)"): + with timer.section("Stage 4 (final build)") as stage4: cmd(final_build_args) + record_metrics(pipeline, stage4) if __name__ == "__main__": @@ -733,5 +837,6 @@ if __name__ == "__main__": raise e finally: timer.print_stats() + print_free_disk_space(pipeline) print_binary_sizes(pipeline) diff --git a/src/doc/book b/src/doc/book -Subproject f2a78f64b668f63f581203c6bac509903f7c00e +Subproject d94e03a18a2590ed3f1c67b859cb11528d2a2d5 diff --git a/src/doc/embedded-book b/src/doc/embedded-book -Subproject f1a4614aa41cc544b91b79760a709e113f3451d +Subproject 701d1551429da4cb609082c0ac99df569e33671 diff --git a/src/doc/nomicon b/src/doc/nomicon -Subproject bd1829d235296952bf72ca55635e360584b8805 +Subproject 79b53665a7c61d171fb8c5ad0b73b371f9ee6ba diff --git a/src/doc/reference b/src/doc/reference -Subproject 22882fb3f7b4d69fdc0d1731e8b9cfcb6910537 +Subproject e5adb99c04817b7fbe08f4ffce5b36702667345 diff --git a/src/doc/rust-by-example b/src/doc/rust-by-example -Subproject 134376872e8c387ef369507e0ee9b5a0e327271 +Subproject efe23c4fe12e06351b8dc8c3d18312c76145510 diff --git a/src/doc/rustc-dev-guide b/src/doc/rustc-dev-guide -Subproject e359ee27fc3da3356d71a732128c0a1abe02e53 +Subproject 41a96ab971cb45e2a184df20619ad1829765c99 diff --git a/src/doc/rustc/src/codegen-options/index.md b/src/doc/rustc/src/codegen-options/index.md index 1770c121a0e..c7f120dafea 100644 --- a/src/doc/rustc/src/codegen-options/index.md +++ b/src/doc/rustc/src/codegen-options/index.md @@ -49,10 +49,10 @@ Guard](https://docs.microsoft.com/en-us/windows/win32/secbp/control-flow-guard) platform security feature. This flag is currently ignored for non-Windows targets. It takes one of the following values: -* `y`, `yes`, `on`, `checks`, or no value: enable Control Flow Guard. +* `y`, `yes`, `on`, `true`, `checks`, or no value: enable Control Flow Guard. * `nochecks`: emit Control Flow Guard metadata without runtime enforcement checks (this should only be used for testing purposes as it does not provide security enforcement). -* `n`, `no`, `off`: do not enable Control Flow Guard (the default). +* `n`, `no`, `off`, `false`: do not enable Control Flow Guard (the default). ## debug-assertions @@ -60,8 +60,8 @@ This flag lets you turn `cfg(debug_assertions)` [conditional compilation](../../reference/conditional-compilation.md#debug_assertions) on or off. It takes one of the following values: -* `y`, `yes`, `on`, or no value: enable debug-assertions. -* `n`, `no`, or `off`: disable debug-assertions. +* `y`, `yes`, `on`, `true`, or no value: enable debug-assertions. +* `n`, `no`, `off` or `false`: disable debug-assertions. If not specified, debug assertions are automatically enabled only if the [opt-level](#opt-level) is 0. @@ -82,8 +82,8 @@ Note: The [`-g` flag][option-g-debug] is an alias for `-C debuginfo=2`. This flag controls whether or not the linker includes its default libraries. It takes one of the following values: -* `y`, `yes`, `on`, or no value: include default libraries (the default). -* `n`, `no`, or `off`: exclude default libraries. +* `y`, `yes`, `on`, `true` or no value: include default libraries (the default). +* `n`, `no`, `off` or `false`: exclude default libraries. For example, for gcc flavor linkers, this issues the `-nodefaultlibs` flag to the linker. @@ -93,8 +93,8 @@ the linker. This flag controls whether or not the compiler embeds LLVM bitcode into object files. It takes one of the following values: -* `y`, `yes`, `on`, or no value: put bitcode in rlibs (the default). -* `n`, `no`, or `off`: omit bitcode from rlibs. +* `y`, `yes`, `on`, `true` or no value: put bitcode in rlibs (the default). +* `n`, `no`, `off` or `false`: omit bitcode from rlibs. LLVM bitcode is required when rustc is performing link-time optimization (LTO). It is also required on some targets like iOS ones where vendors look for LLVM @@ -135,8 +135,8 @@ flag][option-emit] for more information. This flag forces the use of frame pointers. It takes one of the following values: -* `y`, `yes`, `on`, or no value: force-enable frame pointers. -* `n`, `no`, or `off`: do not force-enable frame pointers. This does +* `y`, `yes`, `on`, `true` or no value: force-enable frame pointers. +* `n`, `no`, `off` or `false`: do not force-enable frame pointers. This does not necessarily mean frame pointers will be removed. The default behaviour, if frame pointers are not force-enabled, depends on the @@ -147,8 +147,8 @@ target. This flag forces the generation of unwind tables. It takes one of the following values: -* `y`, `yes`, `on`, or no value: Unwind tables are forced to be generated. -* `n`, `no`, or `off`: Unwind tables are not forced to be generated. If unwind +* `y`, `yes`, `on`, `true` or no value: Unwind tables are forced to be generated. +* `n`, `no`, `off` or `false`: Unwind tables are not forced to be generated. If unwind tables are required by the target an error will be emitted. The default if not specified depends on the target. @@ -202,8 +202,8 @@ options should be separated by spaces. This flag controls whether the linker will keep dead code. It takes one of the following values: -* `y`, `yes`, `on`, or no value: keep dead code. -* `n`, `no`, or `off`: remove dead code (the default). +* `y`, `yes`, `on`, `true` or no value: keep dead code. +* `n`, `no`, `off` or `false`: remove dead code (the default). An example of when this flag might be useful is when trying to construct code coverage metrics. @@ -215,8 +215,8 @@ linker will use libraries and objects shipped with Rust instead or those in the It takes one of the following values: * no value: rustc will use heuristic to disable self-contained mode if system has necessary tools. -* `y`, `yes`, `on`: use only libraries/objects shipped with Rust. -* `n`, `no`, or `off`: rely on the user or the linker to provide non-Rust libraries/objects. +* `y`, `yes`, `on`, `true`: use only libraries/objects shipped with Rust. +* `n`, `no`, `off` or `false`: rely on the user or the linker to provide non-Rust libraries/objects. This allows overriding cases when detection fails or user wants to use shipped libraries. @@ -261,8 +261,8 @@ This flag defers LTO optimizations to the linker. See [linker-plugin-LTO](../linker-plugin-lto.md) for more details. It takes one of the following values: -* `y`, `yes`, `on`, or no value: enable linker plugin LTO. -* `n`, `no`, or `off`: disable linker plugin LTO (the default). +* `y`, `yes`, `on`, `true` or no value: enable linker plugin LTO. +* `n`, `no`, `off` or `false`: disable linker plugin LTO (the default). * A path to the linker plugin. More specifically this flag will cause the compiler to replace its typical @@ -292,9 +292,9 @@ optimizations](https://llvm.org/docs/LinkTimeOptimization.html) to produce better optimized code, using whole-program analysis, at the cost of longer linking time. It takes one of the following values: -* `y`, `yes`, `on`, `fat`, or no value: perform "fat" LTO which attempts to +* `y`, `yes`, `on`, `true`, `fat`, or no value: perform "fat" LTO which attempts to perform optimizations across all crates within the dependency graph. -* `n`, `no`, `off`: disables LTO. +* `n`, `no`, `off`, `false`: disables LTO. * `thin`: perform ["thin" LTO](http://blog.llvm.org/2016/06/thinlto-scalable-and-incremental-lto.html). This is similar to "fat", but takes substantially less time to run while @@ -333,8 +333,8 @@ This flag allows you to disable [the red zone](https://en.wikipedia.org/wiki/Red_zone_\(computing\)). It takes one of the following values: -* `y`, `yes`, `on`, or no value: disable the red zone. -* `n`, `no`, or `off`: enable the red zone. +* `y`, `yes`, `on`, `true` or no value: disable the red zone. +* `n`, `no`, `off` or `false`: enable the red zone. The default behaviour, if the flag is not specified, depends on the target. @@ -376,8 +376,8 @@ overflow](../../reference/expressions/operator-expr.md#overflow). When overflow-checks are enabled, a panic will occur on overflow. This flag takes one of the following values: -* `y`, `yes`, `on`, or no value: enable overflow checks. -* `n`, `no`, or `off`: disable overflow checks. +* `y`, `yes`, `on`, `true` or no value: enable overflow checks. +* `n`, `no`, `off` or `false`: disable overflow checks. If not specified, overflow checks are enabled if [debug-assertions](#debug-assertions) are enabled, disabled otherwise. @@ -409,8 +409,8 @@ for determining whether or not it is possible to statically or dynamically link with a dependency. For example, `cdylib` crate types may only use static linkage. This flag takes one of the following values: -* `y`, `yes`, `on`, or no value: use dynamic linking. -* `n`, `no`, or `off`: use static linking (the default). +* `y`, `yes`, `on`, `true` or no value: use dynamic linking. +* `n`, `no`, `off` or `false`: use static linking (the default). ## profile-generate @@ -487,24 +487,24 @@ The list of passes should be separated by spaces. This flag controls whether [`rpath`](https://en.wikipedia.org/wiki/Rpath) is enabled. It takes one of the following values: -* `y`, `yes`, `on`, or no value: enable rpath. -* `n`, `no`, or `off`: disable rpath (the default). +* `y`, `yes`, `on`, `true` or no value: enable rpath. +* `n`, `no`, `off` or `false`: disable rpath (the default). ## save-temps This flag controls whether temporary files generated during compilation are deleted once compilation finishes. It takes one of the following values: -* `y`, `yes`, `on`, or no value: save temporary files. -* `n`, `no`, or `off`: delete temporary files (the default). +* `y`, `yes`, `on`, `true` or no value: save temporary files. +* `n`, `no`, `off` or `false`: delete temporary files (the default). ## soft-float This option controls whether `rustc` generates code that emulates floating point instructions in software. It takes one of the following values: -* `y`, `yes`, `on`, or no value: use soft floats. -* `n`, `no`, or `off`: use hardware floats (the default). +* `y`, `yes`, `on`, `true` or no value: use soft floats. +* `n`, `no`, `off` or `false`: use hardware floats (the default). ## split-debuginfo diff --git a/src/doc/style-guide/src/cargo.md b/src/doc/style-guide/src/cargo.md index f4993ba06a8..13b96ca8c5e 100644 --- a/src/doc/style-guide/src/cargo.md +++ b/src/doc/style-guide/src/cargo.md @@ -17,8 +17,7 @@ followed by the `description` at the end of that section. Don't use quotes around any standard key names; use bare keys. Only use quoted keys for non-standard keys whose names require them, and avoid introducing such key names when possible. See the [TOML -specification](https://github.com/toml-lang/toml/blob/master/versions/en/toml-v0.4.0.md#table) -for details. +specification](https://toml.io/en/v1.0.0#keys) for details. Put a single space both before and after the `=` between a key and value. Do not indent any key names; start all key names at the start of a line. diff --git a/src/doc/unstable-book/src/compiler-flags/instrument-xray.md b/src/doc/unstable-book/src/compiler-flags/instrument-xray.md new file mode 100644 index 00000000000..7fb33cd68b4 --- /dev/null +++ b/src/doc/unstable-book/src/compiler-flags/instrument-xray.md @@ -0,0 +1,39 @@ +# `instrument-xray` + +The tracking issue for this feature is: [#102921](https://github.com/rust-lang/rust/issues/102921). + +------------------------ + +Enable generation of NOP sleds for XRay function tracing instrumentation. +For more information on XRay, +read [LLVM documentation](https://llvm.org/docs/XRay.html), +and/or the [XRay whitepaper](http://research.google.com/pubs/pub45287.html). + +Set the `-Z instrument-xray` compiler flag in order to enable XRay instrumentation. + + - `-Z instrument-xray` – use the default settings + - `-Z instrument-xray=skip-exit` – configure a custom setting + - `-Z instrument-xray=ignore-loops,instruction-threshold=300` – + multiple settings separated by commas + +Supported options: + + - `always` – force instrumentation of all functions + - `never` – do no instrument any functions + - `ignore-loops` – ignore presence of loops, + instrument functions based only on instruction count + - `instruction-threshold=10` – set a different instruction threshold for instrumentation + - `skip-entry` – do no instrument function entry + - `skip-exit` – do no instrument function exit + +The default settings are: + + - instrument both entry & exit from functions + - instrument functions with at least 200 instructions, + or containing a non-trivial loop + +Note that `-Z instrument-xray` only enables generation of NOP sleds +which on their own don't do anything useful. +In order to actually trace the functions, +you will need to link a separate runtime library of your choice, +such as Clang's [XRay Runtime Library](https://www.llvm.org/docs/XRay.html#xray-runtime-library). diff --git a/src/librustdoc/Cargo.toml b/src/librustdoc/Cargo.toml index 0271c27b4f5..5e592227d49 100644 --- a/src/librustdoc/Cargo.toml +++ b/src/librustdoc/Cargo.toml @@ -12,7 +12,6 @@ askama = { version = "0.11", default-features = false, features = ["config"] } itertools = "0.10.1" minifier = "0.2.2" once_cell = "1.10.0" -pulldown-cmark = { version = "0.9.2", default-features = false } regex = "1" rustdoc-json-types = { path = "../rustdoc-json-types" } serde_json = "1.0" diff --git a/src/librustdoc/clean/auto_trait.rs b/src/librustdoc/clean/auto_trait.rs index a302750aa1a..6c15eac2c19 100644 --- a/src/librustdoc/clean/auto_trait.rs +++ b/src/librustdoc/clean/auto_trait.rs @@ -734,8 +734,8 @@ struct RegionReplacer<'a, 'tcx> { tcx: TyCtxt<'tcx>, } -impl<'a, 'tcx> TypeFolder<'tcx> for RegionReplacer<'a, 'tcx> { - fn tcx<'b>(&'b self) -> TyCtxt<'tcx> { +impl<'a, 'tcx> TypeFolder<TyCtxt<'tcx>> for RegionReplacer<'a, 'tcx> { + fn interner(&self) -> TyCtxt<'tcx> { self.tcx } diff --git a/src/librustdoc/clean/mod.rs b/src/librustdoc/clean/mod.rs index 80493b100bb..bf3bbeb2dd1 100644 --- a/src/librustdoc/clean/mod.rs +++ b/src/librustdoc/clean/mod.rs @@ -20,7 +20,7 @@ use rustc_hir::PredicateOrigin; use rustc_hir_analysis::hir_ty_to_ty; use rustc_infer::infer::region_constraints::{Constraint, RegionConstraintData}; use rustc_middle::middle::resolve_lifetime as rl; -use rustc_middle::ty::fold::TypeFolder; +use rustc_middle::ty::fold::ir::TypeFolder; use rustc_middle::ty::InternalSubsts; use rustc_middle::ty::TypeVisitable; use rustc_middle::ty::{self, AdtKind, DefIdTree, EarlyBinder, Ty, TyCtxt}; @@ -242,6 +242,7 @@ pub(crate) fn clean_middle_region<'tcx>(region: ty::Region<'tcx>) -> Option<Life ty::ReLateBound(..) | ty::ReFree(..) | ty::ReVar(..) + | ty::ReError(_) | ty::RePlaceholder(..) | ty::ReErased => { debug!("cannot clean region {:?}", region); @@ -310,10 +311,12 @@ pub(crate) fn clean_predicate<'tcx>( ty::PredicateKind::Clause(ty::Clause::Projection(pred)) => { Some(clean_projection_predicate(bound_predicate.rebind(pred), cx)) } + // FIXME(generic_const_exprs): should this do something? ty::PredicateKind::ConstEvaluatable(..) => None, ty::PredicateKind::WellFormed(..) => None, ty::PredicateKind::Subtype(..) + | ty::PredicateKind::AliasEq(..) | ty::PredicateKind::Coerce(..) | ty::PredicateKind::ObjectSafe(..) | ty::PredicateKind::ClosureKind(..) @@ -2206,10 +2209,12 @@ fn clean_maybe_renamed_item<'tcx>( }; let mut extra_attrs = Vec::new(); - if let Some(hir::Node::Item(use_node)) = - import_id.and_then(|def_id| cx.tcx.hir().find_by_def_id(def_id)) + if let Some(import_id) = import_id && + let Some(hir::Node::Item(use_node)) = cx.tcx.hir().find_by_def_id(import_id) { - // We get all the various imports' attributes. + // First, we add the attributes from the current import. + extra_attrs.extend_from_slice(inline::load_attrs(cx, import_id.to_def_id())); + // Then we get all the various imports' attributes. get_all_import_attributes(use_node, cx.tcx, item.owner_id.def_id, &mut extra_attrs); } diff --git a/src/librustdoc/clean/types.rs b/src/librustdoc/clean/types.rs index 85dd3881593..b00cefdddb5 100644 --- a/src/librustdoc/clean/types.rs +++ b/src/librustdoc/clean/types.rs @@ -5,13 +5,12 @@ use std::path::PathBuf; use std::rc::Rc; use std::sync::Arc; use std::sync::OnceLock as OnceCell; -use std::{cmp, fmt, iter}; +use std::{fmt, iter}; use arrayvec::ArrayVec; use thin_vec::ThinVec; -use rustc_ast::util::comments::beautify_doc_string; -use rustc_ast::{self as ast, AttrStyle}; +use rustc_ast as ast; use rustc_attr::{ConstStability, Deprecation, Stability, StabilityLevel}; use rustc_const_eval::const_eval::is_unstable_const_fn; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; @@ -24,6 +23,7 @@ use rustc_hir_analysis::check::intrinsic::intrinsic_operation_unsafety; use rustc_index::vec::IndexVec; use rustc_middle::ty::fast_reject::SimplifiedType; use rustc_middle::ty::{self, DefIdTree, TyCtxt, Visibility}; +use rustc_resolve::rustdoc::{add_doc_fragment, attrs_to_doc_fragments, inner_docs, DocFragment}; use rustc_session::Session; use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{kw, sym, Ident, Symbol}; @@ -405,7 +405,7 @@ impl Item { pub(crate) fn inner_docs(&self, tcx: TyCtxt<'_>) -> bool { self.item_id .as_def_id() - .map(|did| tcx.get_attrs_unchecked(did).inner_docs()) + .map(|did| inner_docs(tcx.get_attrs_unchecked(did))) .unwrap_or(false) } @@ -482,16 +482,16 @@ impl Item { } pub(crate) fn links(&self, cx: &Context<'_>) -> Vec<RenderedLink> { - use crate::html::format::href; + use crate::html::format::{href, link_tooltip}; cx.cache() .intra_doc_links .get(&self.item_id) .map_or(&[][..], |v| v.as_slice()) .iter() - .filter_map(|ItemLink { link: s, link_text, page_id: did, ref fragment }| { - debug!(?did); - if let Ok((mut href, ..)) = href(*did, cx) { + .filter_map(|ItemLink { link: s, link_text, page_id: id, ref fragment }| { + debug!(?id); + if let Ok((mut href, ..)) = href(*id, cx) { debug!(?href); if let Some(ref fragment) = *fragment { fragment.render(&mut href, cx.tcx()) @@ -499,6 +499,7 @@ impl Item { Some(RenderedLink { original_text: s.clone(), new_text: link_text.clone(), + tooltip: link_tooltip(*id, fragment, cx), href, }) } else { @@ -523,6 +524,7 @@ impl Item { original_text: s.clone(), new_text: link_text.clone(), href: String::new(), + tooltip: String::new(), }) .collect() } @@ -874,8 +876,6 @@ pub(crate) trait AttributesExt { fn span(&self) -> Option<rustc_span::Span>; - fn inner_docs(&self) -> bool; - fn cfg(&self, tcx: TyCtxt<'_>, hidden_cfg: &FxHashSet<Cfg>) -> Option<Arc<Cfg>>; } @@ -894,14 +894,6 @@ impl AttributesExt for [ast::Attribute] { self.iter().find(|attr| attr.doc_str().is_some()).map(|attr| attr.span) } - /// Returns whether the first doc-comment is an inner attribute. - /// - //// If there are no doc-comments, return true. - /// FIXME(#78591): Support both inner and outer attributes on the same item. - fn inner_docs(&self) -> bool { - self.iter().find(|a| a.doc_str().is_some()).map_or(true, |a| a.style == AttrStyle::Inner) - } - fn cfg(&self, tcx: TyCtxt<'_>, hidden_cfg: &FxHashSet<Cfg>) -> Option<Arc<Cfg>> { let sess = tcx.sess; let doc_cfg_active = tcx.features().doc_cfg; @@ -1010,58 +1002,6 @@ impl<I: Iterator<Item = ast::NestedMetaItem>> NestedAttributesExt for I { } } -/// A portion of documentation, extracted from a `#[doc]` attribute. -/// -/// Each variant contains the line number within the complete doc-comment where the fragment -/// starts, as well as the Span where the corresponding doc comment or attribute is located. -/// -/// Included files are kept separate from inline doc comments so that proper line-number -/// information can be given when a doctest fails. Sugared doc comments and "raw" doc comments are -/// kept separate because of issue #42760. -#[derive(Clone, PartialEq, Eq, Debug)] -pub(crate) struct DocFragment { - pub(crate) span: rustc_span::Span, - /// The module this doc-comment came from. - /// - /// This allows distinguishing between the original documentation and a pub re-export. - /// If it is `None`, the item was not re-exported. - pub(crate) parent_module: Option<DefId>, - pub(crate) doc: Symbol, - pub(crate) kind: DocFragmentKind, - pub(crate) indent: usize, -} - -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -pub(crate) enum DocFragmentKind { - /// A doc fragment created from a `///` or `//!` doc comment. - SugaredDoc, - /// A doc fragment created from a "raw" `#[doc=""]` attribute. - RawDoc, -} - -/// The goal of this function is to apply the `DocFragment` transformation that is required when -/// transforming into the final Markdown, which is applying the computed indent to each line in -/// each doc fragment (a `DocFragment` can contain multiple lines in case of `#[doc = ""]`). -/// -/// Note: remove the trailing newline where appropriate -fn add_doc_fragment(out: &mut String, frag: &DocFragment) { - let s = frag.doc.as_str(); - let mut iter = s.lines(); - if s.is_empty() { - out.push('\n'); - return; - } - while let Some(line) = iter.next() { - if line.chars().any(|c| !c.is_whitespace()) { - assert!(line.len() >= frag.indent); - out.push_str(&line[frag.indent..]); - } else { - out.push_str(line); - } - out.push('\n'); - } -} - /// Collapse a collection of [`DocFragment`]s into one string, /// handling indentation and newlines as needed. pub(crate) fn collapse_doc_fragments(doc_strings: &[DocFragment]) -> String { @@ -1073,86 +1013,6 @@ pub(crate) fn collapse_doc_fragments(doc_strings: &[DocFragment]) -> String { acc } -/// Removes excess indentation on comments in order for the Markdown -/// to be parsed correctly. This is necessary because the convention for -/// writing documentation is to provide a space between the /// or //! marker -/// and the doc text, but Markdown is whitespace-sensitive. For example, -/// a block of text with four-space indentation is parsed as a code block, -/// so if we didn't unindent comments, these list items -/// -/// /// A list: -/// /// -/// /// - Foo -/// /// - Bar -/// -/// would be parsed as if they were in a code block, which is likely not what the user intended. -fn unindent_doc_fragments(docs: &mut Vec<DocFragment>) { - // `add` is used in case the most common sugared doc syntax is used ("/// "). The other - // fragments kind's lines are never starting with a whitespace unless they are using some - // markdown formatting requiring it. Therefore, if the doc block have a mix between the two, - // we need to take into account the fact that the minimum indent minus one (to take this - // whitespace into account). - // - // For example: - // - // /// hello! - // #[doc = "another"] - // - // In this case, you want "hello! another" and not "hello! another". - let add = if docs.windows(2).any(|arr| arr[0].kind != arr[1].kind) - && docs.iter().any(|d| d.kind == DocFragmentKind::SugaredDoc) - { - // In case we have a mix of sugared doc comments and "raw" ones, we want the sugared one to - // "decide" how much the minimum indent will be. - 1 - } else { - 0 - }; - - // `min_indent` is used to know how much whitespaces from the start of each lines must be - // removed. Example: - // - // /// hello! - // #[doc = "another"] - // - // In here, the `min_indent` is 1 (because non-sugared fragment are always counted with minimum - // 1 whitespace), meaning that "hello!" will be considered a codeblock because it starts with 4 - // (5 - 1) whitespaces. - let Some(min_indent) = docs - .iter() - .map(|fragment| { - fragment.doc.as_str().lines().fold(usize::MAX, |min_indent, line| { - if line.chars().all(|c| c.is_whitespace()) { - min_indent - } else { - // Compare against either space or tab, ignoring whether they are - // mixed or not. - let whitespace = line.chars().take_while(|c| *c == ' ' || *c == '\t').count(); - cmp::min(min_indent, whitespace) - + if fragment.kind == DocFragmentKind::SugaredDoc { 0 } else { add } - } - }) - }) - .min() - else { - return; - }; - - for fragment in docs { - if fragment.doc == kw::Empty { - continue; - } - - let min_indent = if fragment.kind != DocFragmentKind::SugaredDoc && min_indent > 0 { - min_indent - add - } else { - min_indent - }; - - fragment.indent = min_indent; - } -} - /// A link that has not yet been rendered. /// /// This link will be turned into a rendered link by [`Item::links`]. @@ -1182,6 +1042,8 @@ pub struct RenderedLink { pub(crate) new_text: String, /// The URL to put in the `href` pub(crate) href: String, + /// The tooltip. + pub(crate) tooltip: String, } /// The attributes on an [`Item`], including attributes like `#[derive(...)]` and `#[inline]`, @@ -1231,26 +1093,7 @@ impl Attributes { attrs: impl Iterator<Item = (&'a ast::Attribute, Option<DefId>)>, doc_only: bool, ) -> Attributes { - let mut doc_strings = Vec::new(); - let mut other_attrs = ast::AttrVec::new(); - for (attr, parent_module) in attrs { - if let Some((doc_str, comment_kind)) = attr.doc_str_and_comment_kind() { - trace!("got doc_str={doc_str:?}"); - let doc = beautify_doc_string(doc_str, comment_kind); - let kind = if attr.is_doc_comment() { - DocFragmentKind::SugaredDoc - } else { - DocFragmentKind::RawDoc - }; - let fragment = DocFragment { span: attr.span, doc, kind, parent_module, indent: 0 }; - doc_strings.push(fragment); - } else if !doc_only { - other_attrs.push(attr.clone()); - } - } - - unindent_doc_fragments(&mut doc_strings); - + let (doc_strings, other_attrs) = attrs_to_doc_fragments(attrs, doc_only); Attributes { doc_strings, other_attrs } } @@ -1269,20 +1112,6 @@ impl Attributes { if out.is_empty() { None } else { Some(out) } } - /// Return the doc-comments on this item, grouped by the module they came from. - /// The module can be different if this is a re-export with added documentation. - /// - /// The last newline is not trimmed so the produced strings are reusable between - /// early and late doc link resolution regardless of their position. - pub(crate) fn prepare_to_doc_link_resolution(&self) -> FxHashMap<Option<DefId>, String> { - let mut res = FxHashMap::default(); - for fragment in &self.doc_strings { - let out_str = res.entry(fragment.parent_module).or_default(); - add_doc_fragment(out_str, fragment); - } - res - } - /// Finds all `doc` attributes as NameValues and returns their corresponding values, joined /// with newlines. pub(crate) fn collapsed_doc_value(&self) -> Option<String> { diff --git a/src/librustdoc/clean/types/tests.rs b/src/librustdoc/clean/types/tests.rs index 71eddf4348f..20627c2cfc1 100644 --- a/src/librustdoc/clean/types/tests.rs +++ b/src/librustdoc/clean/types/tests.rs @@ -2,6 +2,7 @@ use super::*; use crate::clean::collapse_doc_fragments; +use rustc_resolve::rustdoc::{unindent_doc_fragments, DocFragment, DocFragmentKind}; use rustc_span::create_default_session_globals_then; use rustc_span::source_map::DUMMY_SP; use rustc_span::symbol::Symbol; diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs index 0ce43f7db8e..5ab7056be44 100644 --- a/src/librustdoc/core.rs +++ b/src/librustdoc/core.rs @@ -1,23 +1,22 @@ -use rustc_ast::NodeId; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::{self, Lrc}; use rustc_data_structures::unord::UnordSet; use rustc_errors::emitter::{Emitter, EmitterWriter}; use rustc_errors::json::JsonEmitter; +use rustc_errors::TerminalUrl; use rustc_feature::UnstableFeatures; -use rustc_hir::def::{Namespace, Res}; +use rustc_hir::def::Res; use rustc_hir::def_id::{DefId, DefIdMap, DefIdSet, LocalDefId}; use rustc_hir::intravisit::{self, Visitor}; -use rustc_hir::{HirId, Path, TraitCandidate}; +use rustc_hir::{HirId, Path}; use rustc_interface::interface; use rustc_middle::hir::nested_filter; use rustc_middle::ty::{ParamEnv, Ty, TyCtxt}; -use rustc_resolve as resolve; -use rustc_session::config::{self, CrateType, ErrorOutputType}; +use rustc_session::config::{self, CrateType, ErrorOutputType, ResolveDocLinks}; use rustc_session::lint; use rustc_session::Session; use rustc_span::symbol::sym; -use rustc_span::{source_map, Span, Symbol}; +use rustc_span::{source_map, Span}; use std::cell::RefCell; use std::mem; @@ -28,31 +27,12 @@ use crate::clean::inline::build_external_trait; use crate::clean::{self, ItemId}; use crate::config::{Options as RustdocOptions, OutputFormat, RenderOptions}; use crate::formats::cache::Cache; -use crate::passes::collect_intra_doc_links::PreprocessedMarkdownLink; use crate::passes::{self, Condition::*}; pub(crate) use rustc_session::config::{Input, Options, UnstableOptions}; -pub(crate) struct ResolverCaches { - pub(crate) markdown_links: Option<FxHashMap<String, Vec<PreprocessedMarkdownLink>>>, - pub(crate) doc_link_resolutions: FxHashMap<(Symbol, Namespace, DefId), Option<Res<NodeId>>>, - /// Traits in scope for a given module. - /// See `collect_intra_doc_links::traits_implemented_by` for more details. - pub(crate) traits_in_scope: DefIdMap<Vec<TraitCandidate>>, - pub(crate) all_trait_impls: Option<Vec<DefId>>, - pub(crate) all_macro_rules: FxHashMap<Symbol, Res<NodeId>>, - pub(crate) extern_doc_reachable: DefIdSet, -} - pub(crate) struct DocContext<'tcx> { pub(crate) tcx: TyCtxt<'tcx>, - /// Name resolver. Used for intra-doc links. - /// - /// The `Rc<RefCell<...>>` wrapping is needed because that is what's returned by - /// [`rustc_interface::Queries::expansion()`]. - // FIXME: see if we can get rid of this RefCell somehow - pub(crate) resolver: Rc<RefCell<interface::BoxedResolver>>, - pub(crate) resolver_caches: ResolverCaches, /// Used for normalization. /// /// Most of this logic is copied from rustc_lint::late. @@ -100,13 +80,6 @@ impl<'tcx> DocContext<'tcx> { ret } - pub(crate) fn enter_resolver<F, R>(&self, f: F) -> R - where - F: FnOnce(&mut resolve::Resolver<'_>) -> R, - { - self.resolver.borrow_mut().access(f) - } - /// Call the closure with the given parameters set as /// the substitutions for a type alias' RHS. pub(crate) fn enter_alias<F, R>(&mut self, substs: DefIdMap<clean::SubstParam>, f: F) -> R @@ -130,12 +103,6 @@ impl<'tcx> DocContext<'tcx> { _ => None, } } - - pub(crate) fn with_all_trait_impls(&mut self, f: impl FnOnce(&mut Self, &[DefId])) { - let all_trait_impls = self.resolver_caches.all_trait_impls.take(); - f(self, all_trait_impls.as_ref().expect("`all_trait_impls` are already borrowed")); - self.resolver_caches.all_trait_impls = all_trait_impls; - } } /// Creates a new diagnostic `Handler` that can be used to emit warnings and errors. @@ -164,6 +131,7 @@ pub(crate) fn new_handler( diagnostic_width, false, unstable_opts.track_diagnostics, + TerminalUrl::No, ) .ui_testing(unstable_opts.ui_testing), ) @@ -183,6 +151,7 @@ pub(crate) fn new_handler( diagnostic_width, false, unstable_opts.track_diagnostics, + TerminalUrl::No, ) .ui_testing(unstable_opts.ui_testing), ) @@ -218,6 +187,7 @@ pub(crate) fn create_config( scrape_examples_options, .. }: RustdocOptions, + RenderOptions { document_private, .. }: &RenderOptions, ) -> rustc_interface::Config { // Add the doc cfg into the doc build. cfgs.push("doc".to_string()); @@ -245,6 +215,13 @@ pub(crate) fn create_config( let crate_types = if proc_macro_crate { vec![CrateType::ProcMacro] } else { vec![CrateType::Rlib] }; + let resolve_doc_links = if *document_private { + ResolveDocLinks::All + } else { + // Should be `ResolveDocLinks::Exported` in theory, but for some reason rustdoc + // still tries to request resolutions for links on private items. + ResolveDocLinks::All + }; let test = scrape_examples_options.map(|opts| opts.scrape_tests).unwrap_or(false); // plays with error output here! let sessopts = config::Options { @@ -258,6 +235,7 @@ pub(crate) fn create_config( target_triple: target, unstable_features: UnstableFeatures::from_environment(crate_name.as_deref()), actually_rustdoc: true, + resolve_doc_links, unstable_opts, error_format, diagnostic_width, @@ -313,8 +291,6 @@ pub(crate) fn create_config( pub(crate) fn run_global_ctxt( tcx: TyCtxt<'_>, - resolver: Rc<RefCell<interface::BoxedResolver>>, - resolver_caches: ResolverCaches, show_coverage: bool, render_options: RenderOptions, output_format: OutputFormat, @@ -348,8 +324,6 @@ pub(crate) fn run_global_ctxt( let mut ctxt = DocContext { tcx, - resolver, - resolver_caches, param_env: ParamEnv::empty(), external_traits: Default::default(), active_extern_traits: Default::default(), @@ -364,9 +338,9 @@ pub(crate) fn run_global_ctxt( show_coverage, }; - ctxt.cache - .effective_visibilities - .init(mem::take(&mut ctxt.resolver_caches.extern_doc_reachable)); + for cnum in tcx.crates(()) { + crate::visit_lib::lib_embargo_visit_item(&mut ctxt, cnum.as_def_id()); + } // Small hack to force the Sized trait to be present. // diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs index 37a1005cba1..57c41b57311 100644 --- a/src/librustdoc/doctest.rs +++ b/src/librustdoc/doctest.rs @@ -1,7 +1,7 @@ use rustc_ast as ast; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; use rustc_data_structures::sync::Lrc; -use rustc_errors::{ColorConfig, ErrorGuaranteed, FatalError}; +use rustc_errors::{ColorConfig, ErrorGuaranteed, FatalError, TerminalUrl}; use rustc_hir::def_id::{LocalDefId, CRATE_DEF_ID, LOCAL_CRATE}; use rustc_hir::{self as hir, intravisit, CRATE_HIR_ID}; use rustc_interface::interface; @@ -557,6 +557,7 @@ pub(crate) fn make_test( Some(80), false, false, + TerminalUrl::No, ) .supports_color(); @@ -571,6 +572,7 @@ pub(crate) fn make_test( None, false, false, + TerminalUrl::No, ); // FIXME(misdreavus): pass `-Z treat-err-as-bug` to the doctest parser @@ -756,6 +758,7 @@ fn check_if_attr_is_complete(source: &str, edition: Edition) -> bool { None, false, false, + TerminalUrl::No, ); let handler = Handler::with_emitter(false, None, Box::new(emitter)); diff --git a/src/librustdoc/formats/item_type.rs b/src/librustdoc/formats/item_type.rs index 2f1f4cbf359..aafedc17499 100644 --- a/src/librustdoc/formats/item_type.rs +++ b/src/librustdoc/formats/item_type.rs @@ -21,6 +21,7 @@ use crate::clean; /// a heading, edit the listing in `html/render.rs`, function `sidebar_module`. This uses an /// ordering based on a helper function inside `item_module`, in the same file. #[derive(Copy, PartialEq, Eq, Hash, Clone, Debug, PartialOrd, Ord)] +#[repr(u8)] pub(crate) enum ItemType { Module = 0, ExternCrate = 1, diff --git a/src/librustdoc/html/format.rs b/src/librustdoc/html/format.rs index 8a7a8ea5fd1..314f0612249 100644 --- a/src/librustdoc/html/format.rs +++ b/src/librustdoc/html/format.rs @@ -34,6 +34,7 @@ use crate::clean::{ use crate::formats::item_type::ItemType; use crate::html::escape::Escape; use crate::html::render::Context; +use crate::passes::collect_intra_doc_links::UrlFragment; use super::url_parts_builder::estimate_item_path_byte_length; use super::url_parts_builder::UrlPartsBuilder; @@ -768,6 +769,21 @@ pub(crate) fn href_relative_parts<'fqp>( } } +pub(crate) fn link_tooltip(did: DefId, fragment: &Option<UrlFragment>, cx: &Context<'_>) -> String { + let cache = cx.cache(); + let Some((fqp, shortty)) = cache.paths.get(&did) + .or_else(|| cache.external_paths.get(&did)) + else { return String::new() }; + let fqp = fqp.iter().map(|sym| sym.as_str()).join("::"); + if let &Some(UrlFragment::Item(id)) = fragment { + let name = cx.tcx().item_name(id); + let descr = cx.tcx().def_kind(id).descr(id); + format!("{descr} {fqp}::{name}") + } else { + format!("{shortty} {fqp}") + } +} + /// Used to render a [`clean::Path`]. fn resolved_path<'cx>( w: &mut fmt::Formatter<'_>, diff --git a/src/librustdoc/html/highlight.rs b/src/librustdoc/html/highlight.rs index 1644d1c5a29..3c10eb524d7 100644 --- a/src/librustdoc/html/highlight.rs +++ b/src/librustdoc/html/highlight.rs @@ -96,13 +96,19 @@ fn write_header(out: &mut Buffer, class: &str, extra_content: Option<Buffer>, to ); if tooltip != Tooltip::None { + let edition_code; write!( out, - "<div class='tooltip'{}>ⓘ</div>", - if let Tooltip::Edition(edition_info) = tooltip { - format!(" data-edition=\"{}\"", edition_info) - } else { - String::new() + "<a href=\"#\" class=\"tooltip\" title=\"{}\">ⓘ</a>", + match tooltip { + Tooltip::Ignore => "This example is not tested", + Tooltip::CompileFail => "This example deliberately fails to compile", + Tooltip::ShouldPanic => "This example panics", + Tooltip::Edition(edition) => { + edition_code = format!("This example runs with edition {edition}"); + &edition_code + } + Tooltip::None => unreachable!(), }, ); } diff --git a/src/librustdoc/html/markdown.rs b/src/librustdoc/html/markdown.rs index fb7c34118a4..e4adee6ae4d 100644 --- a/src/librustdoc/html/markdown.rs +++ b/src/librustdoc/html/markdown.rs @@ -28,6 +28,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_hir::def_id::DefId; use rustc_middle::ty::TyCtxt; +pub(crate) use rustc_resolve::rustdoc::main_body_opts; use rustc_span::edition::Edition; use rustc_span::{Span, Symbol}; @@ -46,6 +47,7 @@ use crate::html::escape::Escape; use crate::html::format::Buffer; use crate::html::highlight; use crate::html::length_limit::HtmlWithLimit; +use crate::html::render::small_url_encode; use crate::html::toc::TocBuilder; use pulldown_cmark::{ @@ -57,15 +59,6 @@ mod tests; const MAX_HEADER_LEVEL: u32 = 6; -/// Options for rendering Markdown in the main body of documentation. -pub(crate) fn main_body_opts() -> Options { - Options::ENABLE_TABLES - | Options::ENABLE_FOOTNOTES - | Options::ENABLE_STRIKETHROUGH - | Options::ENABLE_TASKLISTS - | Options::ENABLE_SMART_PUNCTUATION -} - /// Options for rendering Markdown in summaries (e.g., in search results). pub(crate) fn summary_opts() -> Options { Options::ENABLE_TABLES @@ -294,47 +287,7 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for CodeBlocks<'_, 'a, I> { doctest::make_test(&test, krate, false, &Default::default(), edition, None); let channel = if test.contains("#![feature(") { "&version=nightly" } else { "" }; - // These characters don't need to be escaped in a URI. - // See https://url.spec.whatwg.org/#query-percent-encode-set - // and https://url.spec.whatwg.org/#urlencoded-parsing - // and https://url.spec.whatwg.org/#url-code-points - fn dont_escape(c: u8) -> bool { - (b'a' <= c && c <= b'z') - || (b'A' <= c && c <= b'Z') - || (b'0' <= c && c <= b'9') - || c == b'-' - || c == b'_' - || c == b'.' - || c == b',' - || c == b'~' - || c == b'!' - || c == b'\'' - || c == b'(' - || c == b')' - || c == b'*' - || c == b'/' - || c == b';' - || c == b':' - || c == b'?' - // As described in urlencoded-parsing, the - // first `=` is the one that separates key from - // value. Following `=`s are part of the value. - || c == b'=' - } - let mut test_escaped = String::new(); - for b in test.bytes() { - if dont_escape(b) { - test_escaped.push(char::from(b)); - } else if b == b' ' { - // URL queries are decoded with + replaced with SP - test_escaped.push('+'); - } else if b == b'%' { - test_escaped.push('%'); - test_escaped.push('%'); - } else { - write!(test_escaped, "%{:02X}", b).unwrap(); - } - } + let test_escaped = small_url_encode(test); Some(format!( r#"<a class="test-arrow" target="_blank" href="{}?code={}{}&edition={}">Run</a>"#, url, test_escaped, channel, edition, @@ -407,6 +360,9 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for LinkReplacer<'a, I> { trace!("it matched"); assert!(self.shortcut_link.is_none(), "shortcut links cannot be nested"); self.shortcut_link = Some(link); + if title.is_empty() && !link.tooltip.is_empty() { + *title = CowStr::Borrowed(link.tooltip.as_ref()); + } } } // Now that we're done with the shortcut link, don't replace any more text. @@ -457,9 +413,12 @@ impl<'a, I: Iterator<Item = Event<'a>>> Iterator for LinkReplacer<'a, I> { } // If this is a link, but not a shortcut link, // replace the URL, since the broken_link_callback was not called. - Some(Event::Start(Tag::Link(_, dest, _))) => { + Some(Event::Start(Tag::Link(_, dest, title))) => { if let Some(link) = self.links.iter().find(|&link| *link.original_text == **dest) { *dest = CowStr::Borrowed(link.href.as_ref()); + if title.is_empty() && !link.tooltip.is_empty() { + *title = CowStr::Borrowed(link.tooltip.as_ref()); + } } } // Anything else couldn't have been a valid Rust path, so no need to replace the text. @@ -787,11 +746,7 @@ pub(crate) fn find_testable_code<T: doctest::Tester>( } Event::Text(ref s) if register_header.is_some() => { let level = register_header.unwrap(); - if s.is_empty() { - tests.register_header("", level); - } else { - tests.register_header(s, level); - } + tests.register_header(s, level); register_header = None; } _ => {} @@ -1027,7 +982,7 @@ impl Markdown<'_> { links .iter() .find(|link| link.original_text.as_str() == &*broken_link.reference) - .map(|link| (link.href.as_str().into(), link.new_text.as_str().into())) + .map(|link| (link.href.as_str().into(), link.tooltip.as_str().into())) }; let p = Parser::new_with_broken_link_callback(md, main_body_opts(), Some(&mut replacer)); @@ -1110,7 +1065,7 @@ impl MarkdownSummaryLine<'_> { links .iter() .find(|link| link.original_text.as_str() == &*broken_link.reference) - .map(|link| (link.href.as_str().into(), link.new_text.as_str().into())) + .map(|link| (link.href.as_str().into(), link.tooltip.as_str().into())) }; let p = Parser::new_with_broken_link_callback(md, summary_opts(), Some(&mut replacer)) @@ -1157,7 +1112,7 @@ fn markdown_summary_with_limit( link_names .iter() .find(|link| link.original_text.as_str() == &*broken_link.reference) - .map(|link| (link.href.as_str().into(), link.new_text.as_str().into())) + .map(|link| (link.href.as_str().into(), link.tooltip.as_str().into())) }; let p = Parser::new_with_broken_link_callback(md, summary_opts(), Some(&mut replacer)); @@ -1227,14 +1182,23 @@ pub(crate) fn short_markdown_summary(markdown: &str, link_names: &[RenderedLink] /// - Headings, links, and formatting are stripped. /// - Inline code is rendered as-is, surrounded by backticks. /// - HTML and code blocks are ignored. -pub(crate) fn plain_text_summary(md: &str) -> String { +pub(crate) fn plain_text_summary(md: &str, link_names: &[RenderedLink]) -> String { if md.is_empty() { return String::new(); } let mut s = String::with_capacity(md.len() * 3 / 2); - for event in Parser::new_ext(md, summary_opts()) { + let mut replacer = |broken_link: BrokenLink<'_>| { + link_names + .iter() + .find(|link| link.original_text.as_str() == &*broken_link.reference) + .map(|link| (link.href.as_str().into(), link.tooltip.as_str().into())) + }; + + let p = Parser::new_with_broken_link_callback(md, summary_opts(), Some(&mut replacer)); + + for event in p { match &event { Event::Text(text) => s.push_str(text), Event::Code(code) => { diff --git a/src/librustdoc/html/markdown/tests.rs b/src/librustdoc/html/markdown/tests.rs index 5878c58264e..e05635a0207 100644 --- a/src/librustdoc/html/markdown/tests.rs +++ b/src/librustdoc/html/markdown/tests.rs @@ -249,7 +249,7 @@ fn test_short_markdown_summary() { #[test] fn test_plain_text_summary() { fn t(input: &str, expect: &str) { - let output = plain_text_summary(input); + let output = plain_text_summary(input, &[]); assert_eq!(output, expect, "original: {}", input); } diff --git a/src/librustdoc/html/render/context.rs b/src/librustdoc/html/render/context.rs index b59645ec2e2..6762fba9275 100644 --- a/src/librustdoc/html/render/context.rs +++ b/src/librustdoc/html/render/context.rs @@ -18,7 +18,7 @@ use super::search_index::build_index; use super::write_shared::write_shared; use super::{ collect_spans_and_sources, print_sidebar, scrape_examples_help, sidebar_module_like, AllTypes, - LinkFromSrc, NameDoc, StylePath, + LinkFromSrc, StylePath, }; use crate::clean::{self, types::ExternalLocation, ExternalCrate}; @@ -182,7 +182,10 @@ impl<'tcx> Context<'tcx> { }; title.push_str(" - Rust"); let tyname = it.type_(); - let desc = it.doc_value().as_ref().map(|doc| plain_text_summary(doc)); + let desc = it + .doc_value() + .as_ref() + .map(|doc| plain_text_summary(doc, &it.link_names(&self.cache()))); let desc = if let Some(desc) = desc { desc } else if it.is_crate() { @@ -256,7 +259,7 @@ impl<'tcx> Context<'tcx> { } /// Construct a map of items shown in the sidebar to a plain-text summary of their docs. - fn build_sidebar_items(&self, m: &clean::Module) -> BTreeMap<String, Vec<NameDoc>> { + fn build_sidebar_items(&self, m: &clean::Module) -> BTreeMap<String, Vec<String>> { // BTreeMap instead of HashMap to get a sorted output let mut map: BTreeMap<_, Vec<_>> = BTreeMap::new(); let mut inserted: FxHashMap<ItemType, FxHashSet<Symbol>> = FxHashMap::default(); @@ -274,10 +277,7 @@ impl<'tcx> Context<'tcx> { if inserted.entry(short).or_default().insert(myname) { let short = short.to_string(); let myname = myname.to_string(); - map.entry(short).or_default().push(( - myname, - Some(item.doc_value().map_or_else(String::new, |s| plain_text_summary(&s))), - )); + map.entry(short).or_default().push(myname); } } diff --git a/src/librustdoc/html/render/mod.rs b/src/librustdoc/html/render/mod.rs index 816a8f4e274..2086faf78ac 100644 --- a/src/librustdoc/html/render/mod.rs +++ b/src/librustdoc/html/render/mod.rs @@ -38,7 +38,7 @@ pub(crate) use self::span_map::{collect_spans_and_sources, LinkFromSrc}; use std::collections::VecDeque; use std::default::Default; -use std::fmt; +use std::fmt::{self, Write}; use std::fs; use std::iter::Peekable; use std::path::PathBuf; @@ -83,9 +83,6 @@ use crate::scrape_examples::{CallData, CallLocation}; use crate::try_none; use crate::DOC_RUST_LANG_ORG_CHANNEL; -/// A pair of name and its optional document. -pub(crate) type NameDoc = (String, Option<String>); - pub(crate) fn ensure_trailing_slash(v: &str) -> impl fmt::Display + '_ { crate::html::format::display_fn(move |f| { if !v.ends_with('/') && !v.is_empty() { write!(f, "{}/", v) } else { f.write_str(v) } @@ -1313,7 +1310,7 @@ pub(crate) fn notable_traits_button(ty: &clean::Type, cx: &mut Context<'_>) -> O if has_notable_trait { cx.types_with_notable_traits.insert(ty.clone()); Some(format!( - " <a href=\"#\" class=\"notable-traits\" data-ty=\"{ty}\">ⓘ</a>", + " <a href=\"#\" class=\"tooltip\" data-notable-ty=\"{ty}\">ⓘ</a>", ty = Escape(&format!("{:#}", ty.print(cx))), )) } else { @@ -2020,31 +2017,60 @@ fn get_associated_constants( .collect::<Vec<_>>() } -// The point is to url encode any potential character from a type with genericity. -fn small_url_encode(s: String) -> String { +pub(crate) fn small_url_encode(s: String) -> String { + // These characters don't need to be escaped in a URI. + // See https://url.spec.whatwg.org/#query-percent-encode-set + // and https://url.spec.whatwg.org/#urlencoded-parsing + // and https://url.spec.whatwg.org/#url-code-points + fn dont_escape(c: u8) -> bool { + (b'a' <= c && c <= b'z') + || (b'A' <= c && c <= b'Z') + || (b'0' <= c && c <= b'9') + || c == b'-' + || c == b'_' + || c == b'.' + || c == b',' + || c == b'~' + || c == b'!' + || c == b'\'' + || c == b'(' + || c == b')' + || c == b'*' + || c == b'/' + || c == b';' + || c == b':' + || c == b'?' + // As described in urlencoded-parsing, the + // first `=` is the one that separates key from + // value. Following `=`s are part of the value. + || c == b'=' + } let mut st = String::new(); let mut last_match = 0; - for (idx, c) in s.char_indices() { - let escaped = match c { - '<' => "%3C", - '>' => "%3E", - ' ' => "%20", - '?' => "%3F", - '\'' => "%27", - '&' => "%26", - ',' => "%2C", - ':' => "%3A", - ';' => "%3B", - '[' => "%5B", - ']' => "%5D", - '"' => "%22", - _ => continue, - }; + for (idx, b) in s.bytes().enumerate() { + if dont_escape(b) { + continue; + } - st += &s[last_match..idx]; - st += escaped; - // NOTE: we only expect single byte characters here - which is fine as long as we - // only match single byte characters + if last_match != idx { + // Invariant: `idx` must be the first byte in a character at this point. + st += &s[last_match..idx]; + } + if b == b' ' { + // URL queries are decoded with + replaced with SP. + // While the same is not true for hashes, rustdoc only needs to be + // consistent with itself when encoding them. + st += "+"; + } else if b == b'%' { + st += "%%"; + } else { + write!(st, "%{:02X}", b).unwrap(); + } + // Invariant: if the current byte is not at the start of a multi-byte character, + // we need to get down here so that when the next turn of the loop comes around, + // last_match winds up equalling idx. + // + // In other words, dont_escape must always return `false` in multi-byte character. last_match = idx + 1; } diff --git a/src/librustdoc/html/render/print_item.rs b/src/librustdoc/html/render/print_item.rs index c2d24e51484..4ff1c93dc5d 100644 --- a/src/librustdoc/html/render/print_item.rs +++ b/src/librustdoc/html/render/print_item.rs @@ -10,7 +10,7 @@ use rustc_middle::ty::layout::LayoutError; use rustc_middle::ty::{self, Adt, TyCtxt}; use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{kw, sym, Symbol}; -use rustc_target::abi::{LayoutS, Primitive, TagEncoding, VariantIdx, Variants}; +use rustc_target::abi::{LayoutS, Primitive, TagEncoding, Variants}; use std::cmp::Ordering; use std::fmt; use std::rc::Rc; @@ -1081,10 +1081,10 @@ fn item_typedef(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, t: &clea fn write_content(w: &mut Buffer, cx: &Context<'_>, it: &clean::Item, t: &clean::Typedef) { wrap_item(w, |w| { render_attributes_in_pre(w, it, ""); - write!(w, "{}", visibility_print_with_space(it.visibility(cx.tcx()), it.item_id, cx)); write!( w, - "type {}{}{where_clause} = {type_};", + "{}type {}{}{where_clause} = {type_};", + visibility_print_with_space(it.visibility(cx.tcx()), it.item_id, cx), it.name.unwrap(), t.generics.print(cx), where_clause = print_where_clause(&t.generics, cx, 0, Ending::Newline), @@ -1109,7 +1109,7 @@ fn item_typedef(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, t: &clea fn item_union(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, s: &clean::Union) { wrap_item(w, |w| { render_attributes_in_pre(w, it, ""); - render_union(w, it, Some(&s.generics), &s.fields, "", cx); + render_union(w, it, Some(&s.generics), &s.fields, cx); }); document(w, cx, it, None, HeadingOffset::H2); @@ -1138,13 +1138,11 @@ fn item_union(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, s: &clean: <a href=\"#{id}\" class=\"anchor field\">§</a>\ <code>{name}: {ty}</code>\ </span>", - id = id, - name = name, shortty = ItemType::StructField, ty = ty.print(cx), ); if let Some(stability_class) = field.stability_class(cx.tcx()) { - write!(w, "<span class=\"stab {stab}\"></span>", stab = stability_class); + write!(w, "<span class=\"stab {stability_class}\"></span>"); } document(w, cx, field, Some(it), HeadingOffset::H3); } @@ -1242,7 +1240,6 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean:: w, "<section id=\"{id}\" class=\"variant\">\ <a href=\"#{id}\" class=\"anchor\">§</a>", - id = id, ); render_stability_since_raw_with_extra( w, @@ -1280,8 +1277,11 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean:: if let Some((heading, fields)) = heading_and_fields { let variant_id = cx.derive_id(format!("{}.{}.fields", ItemType::Variant, variant.name.unwrap())); - write!(w, "<div class=\"sub-variant\" id=\"{id}\">", id = variant_id); - write!(w, "<h4>{heading}</h4>", heading = heading); + write!( + w, + "<div class=\"sub-variant\" id=\"{variant_id}\">\ + <h4>{heading}</h4>", + ); document_non_exhaustive(w, variant); for field in fields { match *field.kind { @@ -1299,7 +1299,6 @@ fn item_enum(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, e: &clean:: <a href=\"#{id}\" class=\"anchor field\">§</a>\ <code>{f}: {t}</code>\ </span>", - id = id, f = field.name.unwrap(), t = ty.print(cx) ); @@ -1450,11 +1449,9 @@ fn item_struct(w: &mut Buffer, cx: &mut Context<'_>, it: &clean::Item, s: &clean w, "<span id=\"{id}\" class=\"{item_type} small-section-header\">\ <a href=\"#{id}\" class=\"anchor field\">§</a>\ - <code>{name}: {ty}</code>\ + <code>{field_name}: {ty}</code>\ </span>", item_type = ItemType::StructField, - id = id, - name = field_name, ty = ty.print(cx) ); document(w, cx, field, Some(it), HeadingOffset::H3); @@ -1628,7 +1625,6 @@ fn render_union( it: &clean::Item, g: Option<&clean::Generics>, fields: &[clean::Item], - tab: &str, cx: &Context<'_>, ) { let tcx = cx.tcx(); @@ -1651,7 +1647,7 @@ fn render_union( w.write_str(" "); } - write!(w, "{{\n{}", tab); + write!(w, "{{\n"); let count_fields = fields.iter().filter(|f| matches!(*f.kind, clean::StructFieldItem(..))).count(); let toggle = should_hide_fields(count_fields); @@ -1663,17 +1659,16 @@ fn render_union( if let clean::StructFieldItem(ref ty) = *field.kind { write!( w, - " {}{}: {},\n{}", + " {}{}: {},\n", visibility_print_with_space(field.visibility(tcx), field.item_id, cx), field.name.unwrap(), - ty.print(cx), - tab + ty.print(cx) ); } } if it.has_stripped_entries().unwrap() { - write!(w, " /* private fields */\n{}", tab); + write!(w, " /* private fields */\n"); } if toggle { toggle_close(w); @@ -1838,12 +1833,12 @@ fn document_non_exhaustive(w: &mut Buffer, item: &clean::Item) { } fn document_type_layout(w: &mut Buffer, cx: &Context<'_>, ty_def_id: DefId) { - fn write_size_of_layout(w: &mut Buffer, layout: &LayoutS<VariantIdx>, tag_size: u64) { + fn write_size_of_layout(w: &mut Buffer, layout: &LayoutS, tag_size: u64) { if layout.abi.is_unsized() { write!(w, "(unsized)"); } else { - let bytes = layout.size.bytes() - tag_size; - write!(w, "{size} byte{pl}", size = bytes, pl = if bytes == 1 { "" } else { "s" },); + let size = layout.size.bytes() - tag_size; + write!(w, "{size} byte{pl}", pl = if size == 1 { "" } else { "s" },); } } @@ -1898,7 +1893,7 @@ fn document_type_layout(w: &mut Buffer, cx: &Context<'_>, ty_def_id: DefId) { for (index, layout) in variants.iter_enumerated() { let name = adt.variant(index).name; - write!(w, "<li><code>{name}</code>: ", name = name); + write!(w, "<li><code>{name}</code>: "); write_size_of_layout(w, layout, tag_size); writeln!(w, "</li>"); } diff --git a/src/librustdoc/html/render/search_index.rs b/src/librustdoc/html/render/search_index.rs index 5b0caac099b..090ea2cb157 100644 --- a/src/librustdoc/html/render/search_index.rs +++ b/src/librustdoc/html/render/search_index.rs @@ -236,7 +236,16 @@ pub(crate) fn build_index<'tcx>( crate_data.serialize_field("doc", &self.doc)?; crate_data.serialize_field( "t", - &self.items.iter().map(|item| &item.ty).collect::<Vec<_>>(), + &self + .items + .iter() + .map(|item| { + let n = item.ty as u8; + let c = char::try_from(n + b'A').expect("item types must fit in ASCII"); + assert!(c <= 'z', "item types must fit within ASCII printables"); + c + }) + .collect::<String>(), )?; crate_data.serialize_field( "n", diff --git a/src/librustdoc/html/static/css/rustdoc.css b/src/librustdoc/html/static/css/rustdoc.css index 2a9548712f0..476dd606680 100644 --- a/src/librustdoc/html/static/css/rustdoc.css +++ b/src/librustdoc/html/static/css/rustdoc.css @@ -174,6 +174,14 @@ h1, h2, h3, h4 { .top-doc .docblock > h4 { border-bottom: 1px solid var(--headings-border-bottom-color); } +/* while line-height 1.5 is required for any "block of text", + which WCAG defines as more than one sentence, it looks weird for + very large main headers */ +h1, h2 { + line-height: 1.25; + padding-top: 3px; + padding-bottom: 9px; +} h3.code-header { font-size: 1.125rem; /* 18px */ } @@ -707,8 +715,8 @@ h2.small-section-header > .anchor { .main-heading a:hover, .example-wrap > pre.rust a:hover, .all-items a:hover, -.docblock a:not(.test-arrow):not(.scrape-help):hover, -.docblock-short a:not(.test-arrow):not(.scrape-help):hover, +.docblock a:not(.test-arrow):not(.scrape-help):not(.tooltip):hover, +.docblock-short a:not(.test-arrow):not(.scrape-help):not(.tooltip):hover, .item-info a { text-decoration: underline; } @@ -1101,44 +1109,8 @@ pre.rust .doccomment { display: block; left: -25px; top: 5px; -} - -.example-wrap .tooltip:hover::after { - padding: 5px 3px 3px 3px; - border-radius: 6px; - margin-left: 5px; - font-size: 1rem; - border: 1px solid var(--border-color); - position: absolute; - width: max-content; - top: -2px; - z-index: 1; - background-color: var(--tooltip-background-color); - color: var(--tooltip-color); -} - -.example-wrap .tooltip:hover::before { - content: " "; - position: absolute; - top: 50%; - left: 16px; - margin-top: -5px; - z-index: 1; - border: 5px solid transparent; - border-right-color: var(--tooltip-background-color); -} - -.example-wrap.ignore .tooltip:hover::after { - content: "This example is not tested"; -} -.example-wrap.compile_fail .tooltip:hover::after { - content: "This example deliberately fails to compile"; -} -.example-wrap.should_panic .tooltip:hover::after { - content: "This example panics"; -} -.example-wrap.edition .tooltip:hover::after { - content: "This code runs with edition " attr(data-edition); + margin: 0; + line-height: 1; } .example-wrap.compile_fail .tooltip, @@ -1205,7 +1177,7 @@ a.test-arrow:hover { border-right: 3px solid var(--target-border-color); } -.notable-traits { +.code-header a.tooltip { color: inherit; margin-right: 15px; position: relative; @@ -1214,7 +1186,7 @@ a.test-arrow:hover { /* placeholder thunk so that the mouse can easily travel from "(i)" to popover the resulting "hover tunnel" is a stepped triangle, approximating https://bjk5.com/post/44698559168/breaking-down-amazons-mega-dropdown */ -.notable-traits:hover::after { +a.tooltip:hover::after { position: absolute; top: calc(100% - 10px); left: -15px; @@ -1223,11 +1195,11 @@ a.test-arrow:hover { content: "\00a0"; } -.notable .content { +.popover.tooltip .content { margin: 0.25em 0.5em; } -.notable .content pre, .notable .content code { +.popover.tooltip .content pre, .popover.tooltip .content code { background: transparent; margin: 0; padding: 0; @@ -1235,7 +1207,7 @@ a.test-arrow:hover { white-space: pre-wrap; } -.notable .content > h3:first-child { +.popover.tooltip .content > h3:first-child { margin: 0 0 5px 0; } diff --git a/src/librustdoc/html/static/css/themes/ayu.css b/src/librustdoc/html/static/css/themes/ayu.css index b5a2cf7f28b..472a725f053 100644 --- a/src/librustdoc/html/static/css/themes/ayu.css +++ b/src/librustdoc/html/static/css/themes/ayu.css @@ -74,8 +74,6 @@ Original by Dempfi (https://github.com/dempfi/ayu) --test-arrow-hover-background-color: rgba(57, 175, 215, 0.368); --target-background-color: rgba(255, 236, 164, 0.06); --target-border-color: rgba(255, 180, 76, 0.85); - --tooltip-background-color: #314559; - --tooltip-color: #c5c5c5; --kbd-color: #c5c5c5; --kbd-background: #314559; --kbd-box-shadow-color: #5c6773; diff --git a/src/librustdoc/html/static/css/themes/dark.css b/src/librustdoc/html/static/css/themes/dark.css index b84d87c4a54..5612bde96a8 100644 --- a/src/librustdoc/html/static/css/themes/dark.css +++ b/src/librustdoc/html/static/css/themes/dark.css @@ -69,8 +69,6 @@ --test-arrow-hover-background-color: #4e8bca; --target-background-color: #494a3d; --target-border-color: #bb7410; - --tooltip-background-color: #000; - --tooltip-color: #fff; --kbd-color: #000; --kbd-background: #fafbfc; --kbd-box-shadow-color: #c6cbd1; diff --git a/src/librustdoc/html/static/css/themes/light.css b/src/librustdoc/html/static/css/themes/light.css index 342274e6767..34b35c405a8 100644 --- a/src/librustdoc/html/static/css/themes/light.css +++ b/src/librustdoc/html/static/css/themes/light.css @@ -69,8 +69,6 @@ --test-arrow-hover-background-color: #4e8bca; --target-background-color: #fdffd3; --target-border-color: #ad7c37; - --tooltip-background-color: #000; - --tooltip-color: #fff; --kbd-color: #000; --kbd-background: #fafbfc; --kbd-box-shadow-color: #c6cbd1; diff --git a/src/librustdoc/html/static/js/main.js b/src/librustdoc/html/static/js/main.js index c66f500f423..5e8c0e8d10c 100644 --- a/src/librustdoc/html/static/js/main.js +++ b/src/librustdoc/html/static/js/main.js @@ -378,7 +378,7 @@ function loadCss(cssUrl) { } ev.preventDefault(); searchState.defocus(); - window.hideAllModals(true); // true = reset focus for notable traits + window.hideAllModals(true); // true = reset focus for tooltips } function handleShortcut(ev) { @@ -455,10 +455,7 @@ function loadCss(cssUrl) { const ul = document.createElement("ul"); ul.className = "block " + shortty; - for (const item of filtered) { - const name = item[0]; - const desc = item[1]; // can be null - + for (const name of filtered) { let path; if (shortty === "mod") { path = name + "/index.html"; @@ -468,7 +465,6 @@ function loadCss(cssUrl) { const current_page = document.location.href.split("/").pop(); const link = document.createElement("a"); link.href = path; - link.title = desc; if (path === current_page) { link.className = "current"; } @@ -788,17 +784,17 @@ function loadCss(cssUrl) { // we need to switch away from mobile mode and make the main content area scrollable. hideSidebar(); } - if (window.CURRENT_NOTABLE_ELEMENT) { - // As a workaround to the behavior of `contains: layout` used in doc togglers, the - // notable traits popup is positioned using javascript. + if (window.CURRENT_TOOLTIP_ELEMENT) { + // As a workaround to the behavior of `contains: layout` used in doc togglers, + // tooltip popovers are positioned using javascript. // // This means when the window is resized, we need to redo the layout. - const base = window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE; - const force_visible = base.NOTABLE_FORCE_VISIBLE; - hideNotable(false); + const base = window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE; + const force_visible = base.TOOLTIP_FORCE_VISIBLE; + hideTooltip(false); if (force_visible) { - showNotable(base); - base.NOTABLE_FORCE_VISIBLE = true; + showTooltip(base); + base.TOOLTIP_FORCE_VISIBLE = true; } } }); @@ -826,27 +822,35 @@ function loadCss(cssUrl) { }); }); - function showNotable(e) { - if (!window.NOTABLE_TRAITS) { + function showTooltip(e) { + const notable_ty = e.getAttribute("data-notable-ty"); + if (!window.NOTABLE_TRAITS && notable_ty) { const data = document.getElementById("notable-traits-data"); if (data) { window.NOTABLE_TRAITS = JSON.parse(data.innerText); } else { - throw new Error("showNotable() called on page without any notable traits!"); + throw new Error("showTooltip() called with notable without any notable traits!"); } } - if (window.CURRENT_NOTABLE_ELEMENT && window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE === e) { + if (window.CURRENT_TOOLTIP_ELEMENT && window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE === e) { // Make this function idempotent. return; } window.hideAllModals(false); - const ty = e.getAttribute("data-ty"); const wrapper = document.createElement("div"); - wrapper.innerHTML = "<div class=\"content\">" + window.NOTABLE_TRAITS[ty] + "</div>"; - wrapper.className = "notable popover"; + if (notable_ty) { + wrapper.innerHTML = "<div class=\"content\">" + + window.NOTABLE_TRAITS[notable_ty] + "</div>"; + } else if (e.getAttribute("title") !== undefined) { + const titleContent = document.createElement("div"); + titleContent.className = "content"; + titleContent.appendChild(document.createTextNode(e.getAttribute("title"))); + wrapper.appendChild(titleContent); + } + wrapper.className = "tooltip popover"; const focusCatcher = document.createElement("div"); focusCatcher.setAttribute("tabindex", "0"); - focusCatcher.onfocus = hideNotable; + focusCatcher.onfocus = hideTooltip; wrapper.appendChild(focusCatcher); const pos = e.getBoundingClientRect(); // 5px overlap so that the mouse can easily travel from place to place @@ -868,62 +872,62 @@ function loadCss(cssUrl) { ); } wrapper.style.visibility = ""; - window.CURRENT_NOTABLE_ELEMENT = wrapper; - window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE = e; + window.CURRENT_TOOLTIP_ELEMENT = wrapper; + window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE = e; wrapper.onpointerleave = function(ev) { // If this is a synthetic touch event, ignore it. A click event will be along shortly. if (ev.pointerType !== "mouse") { return; } - if (!e.NOTABLE_FORCE_VISIBLE && !elemIsInParent(event.relatedTarget, e)) { - hideNotable(true); + if (!e.TOOLTIP_FORCE_VISIBLE && !elemIsInParent(event.relatedTarget, e)) { + hideTooltip(true); } }; } - function notableBlurHandler(event) { - if (window.CURRENT_NOTABLE_ELEMENT && - !elemIsInParent(document.activeElement, window.CURRENT_NOTABLE_ELEMENT) && - !elemIsInParent(event.relatedTarget, window.CURRENT_NOTABLE_ELEMENT) && - !elemIsInParent(document.activeElement, window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE) && - !elemIsInParent(event.relatedTarget, window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE) + function tooltipBlurHandler(event) { + if (window.CURRENT_TOOLTIP_ELEMENT && + !elemIsInParent(document.activeElement, window.CURRENT_TOOLTIP_ELEMENT) && + !elemIsInParent(event.relatedTarget, window.CURRENT_TOOLTIP_ELEMENT) && + !elemIsInParent(document.activeElement, window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE) && + !elemIsInParent(event.relatedTarget, window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE) ) { // Work around a difference in the focus behaviour between Firefox, Chrome, and Safari. - // When I click the button on an already-opened notable trait popover, Safari + // When I click the button on an already-opened tooltip popover, Safari // hides the popover and then immediately shows it again, while everyone else hides it // and it stays hidden. // // To work around this, make sure the click finishes being dispatched before - // hiding the popover. Since `hideNotable()` is idempotent, this makes Safari behave + // hiding the popover. Since `hideTooltip()` is idempotent, this makes Safari behave // consistently with the other two. - setTimeout(() => hideNotable(false), 0); + setTimeout(() => hideTooltip(false), 0); } } - function hideNotable(focus) { - if (window.CURRENT_NOTABLE_ELEMENT) { - if (window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE.NOTABLE_FORCE_VISIBLE) { + function hideTooltip(focus) { + if (window.CURRENT_TOOLTIP_ELEMENT) { + if (window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.TOOLTIP_FORCE_VISIBLE) { if (focus) { - window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE.focus(); + window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.focus(); } - window.CURRENT_NOTABLE_ELEMENT.NOTABLE_BASE.NOTABLE_FORCE_VISIBLE = false; + window.CURRENT_TOOLTIP_ELEMENT.TOOLTIP_BASE.TOOLTIP_FORCE_VISIBLE = false; } const body = document.getElementsByTagName("body")[0]; - body.removeChild(window.CURRENT_NOTABLE_ELEMENT); - window.CURRENT_NOTABLE_ELEMENT = null; + body.removeChild(window.CURRENT_TOOLTIP_ELEMENT); + window.CURRENT_TOOLTIP_ELEMENT = null; } } - onEachLazy(document.getElementsByClassName("notable-traits"), e => { + onEachLazy(document.getElementsByClassName("tooltip"), e => { e.onclick = function() { - this.NOTABLE_FORCE_VISIBLE = this.NOTABLE_FORCE_VISIBLE ? false : true; - if (window.CURRENT_NOTABLE_ELEMENT && !this.NOTABLE_FORCE_VISIBLE) { - hideNotable(true); + this.TOOLTIP_FORCE_VISIBLE = this.TOOLTIP_FORCE_VISIBLE ? false : true; + if (window.CURRENT_TOOLTIP_ELEMENT && !this.TOOLTIP_FORCE_VISIBLE) { + hideTooltip(true); } else { - showNotable(this); - window.CURRENT_NOTABLE_ELEMENT.setAttribute("tabindex", "0"); - window.CURRENT_NOTABLE_ELEMENT.focus(); - window.CURRENT_NOTABLE_ELEMENT.onblur = notableBlurHandler; + showTooltip(this); + window.CURRENT_TOOLTIP_ELEMENT.setAttribute("tabindex", "0"); + window.CURRENT_TOOLTIP_ELEMENT.focus(); + window.CURRENT_TOOLTIP_ELEMENT.onblur = tooltipBlurHandler; } return false; }; @@ -932,16 +936,16 @@ function loadCss(cssUrl) { if (ev.pointerType !== "mouse") { return; } - showNotable(this); + showTooltip(this); }; e.onpointerleave = function(ev) { // If this is a synthetic touch event, ignore it. A click event will be along shortly. if (ev.pointerType !== "mouse") { return; } - if (!this.NOTABLE_FORCE_VISIBLE && - !elemIsInParent(ev.relatedTarget, window.CURRENT_NOTABLE_ELEMENT)) { - hideNotable(true); + if (!this.TOOLTIP_FORCE_VISIBLE && + !elemIsInParent(ev.relatedTarget, window.CURRENT_TOOLTIP_ELEMENT)) { + hideTooltip(true); } }; }); @@ -1043,14 +1047,14 @@ function loadCss(cssUrl) { } /** - * Hide popover menus, notable trait tooltips, and the sidebar (if applicable). + * Hide popover menus, clickable tooltips, and the sidebar (if applicable). * - * Pass "true" to reset focus for notable traits. + * Pass "true" to reset focus for tooltip popovers. */ window.hideAllModals = function(switchFocus) { hideSidebar(); window.hidePopoverMenus(); - hideNotable(switchFocus); + hideTooltip(switchFocus); }; /** diff --git a/src/librustdoc/html/static/js/search.js b/src/librustdoc/html/static/js/search.js index 251e806c2d9..1e6c94d29ba 100644 --- a/src/librustdoc/html/static/js/search.js +++ b/src/librustdoc/html/static/js/search.js @@ -142,13 +142,11 @@ function initSearch(rawSearchIndex) { } function itemTypeFromName(typename) { - for (let i = 0, len = itemTypes.length; i < len; ++i) { - if (itemTypes[i] === typename) { - return i; - } + const index = itemTypes.findIndex(i => i === typename); + if (index < 0) { + throw new Error("Unknown type filter `" + typename + "`"); } - - throw new Error("Unknown type filter `" + typename + "`"); + return index; } /** @@ -1941,6 +1939,7 @@ function initSearch(rawSearchIndex) { * @type {Array<string>} */ const searchWords = []; + const charA = "A".charCodeAt(0); let i, word; let currentIndex = 0; let id = 0; @@ -1955,7 +1954,7 @@ function initSearch(rawSearchIndex) { /** * The raw search data for a given crate. `n`, `t`, `d`, and `q`, `i`, and `f` * are arrays with the same length. n[i] contains the name of an item. - * t[i] contains the type of that item (as a small integer that represents an + * t[i] contains the type of that item (as a string of characters that represent an * offset in `itemTypes`). d[i] contains the description of that item. * * q[i] contains the full path of the item, or an empty string indicating @@ -1982,7 +1981,7 @@ function initSearch(rawSearchIndex) { * doc: string, * a: Object, * n: Array<string>, - * t: Array<Number>, + * t: String, * d: Array<string>, * q: Array<string>, * i: Array<Number>, @@ -2011,7 +2010,7 @@ function initSearch(rawSearchIndex) { searchIndex.push(crateRow); currentIndex += 1; - // an array of (Number) item types + // a String of one character item type codes const itemTypes = crateCorpus.t; // an array of (String) item names const itemNames = crateCorpus.n; @@ -2062,7 +2061,7 @@ function initSearch(rawSearchIndex) { } const row = { crate: crate, - ty: itemTypes[i], + ty: itemTypes.charCodeAt(i) - charA, name: itemNames[i], path: itemPaths[i] ? itemPaths[i] : lastPath, desc: itemDescs[i], diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs index 64108c88285..910a7190b58 100644 --- a/src/librustdoc/lib.rs +++ b/src/librustdoc/lib.rs @@ -31,6 +31,7 @@ extern crate tracing; // // Dependencies listed in Cargo.toml do not need `extern crate`. +extern crate pulldown_cmark; extern crate rustc_ast; extern crate rustc_ast_pretty; extern crate rustc_attr; @@ -81,7 +82,6 @@ use rustc_session::getopts; use rustc_session::{early_error, early_warn}; use crate::clean::utils::DOC_RUST_LANG_ORG_CHANNEL; -use crate::passes::collect_intra_doc_links; /// A macro to create a FxHashMap. /// @@ -741,7 +741,7 @@ fn main_args(at_args: &[String]) -> MainResult { (false, true) => { let input = options.input.clone(); let edition = options.edition; - let config = core::create_config(options); + let config = core::create_config(options, &render_options); // `markdown::render` can invoke `doctest::make_test`, which // requires session globals and a thread pool, so we use @@ -774,7 +774,7 @@ fn main_args(at_args: &[String]) -> MainResult { let scrape_examples_options = options.scrape_examples_options.clone(); let bin_crate = options.bin_crate; - let config = core::create_config(options); + let config = core::create_config(options, &render_options); interface::run_compiler(config, |compiler| { let sess = compiler.session(); @@ -792,40 +792,14 @@ fn main_args(at_args: &[String]) -> MainResult { } compiler.enter(|queries| { - // We need to hold on to the complete resolver, so we cause everything to be - // cloned for the analysis passes to use. Suboptimal, but necessary in the - // current architecture. - // FIXME(#83761): Resolver cloning can lead to inconsistencies between data in the - // two copies because one of the copies can be modified after `TyCtxt` construction. - let (resolver, resolver_caches) = { - let expansion = abort_on_err(queries.expansion(), sess); - let (krate, resolver, _) = &*expansion.borrow(); - let resolver_caches = resolver.borrow_mut().access(|resolver| { - collect_intra_doc_links::early_resolve_intra_doc_links( - resolver, - krate, - render_options.document_private, - ) - }); - (resolver.clone(), resolver_caches) - }; - + let mut gcx = abort_on_err(queries.global_ctxt(), sess); if sess.diagnostic().has_errors_or_lint_errors().is_some() { sess.fatal("Compilation failed, aborting rustdoc"); } - let mut global_ctxt = abort_on_err(queries.global_ctxt(), sess); - - global_ctxt.enter(|tcx| { + gcx.enter(|tcx| { let (krate, render_opts, mut cache) = sess.time("run_global_ctxt", || { - core::run_global_ctxt( - tcx, - resolver, - resolver_caches, - show_coverage, - render_options, - output_format, - ) + core::run_global_ctxt(tcx, show_coverage, render_options, output_format) }); info!("finished with rustc"); diff --git a/src/librustdoc/passes/collect_intra_doc_links.rs b/src/librustdoc/passes/collect_intra_doc_links.rs index 8435972bb11..7e3149a59e3 100644 --- a/src/librustdoc/passes/collect_intra_doc_links.rs +++ b/src/librustdoc/passes/collect_intra_doc_links.rs @@ -15,7 +15,8 @@ use rustc_hir::def_id::{DefId, CRATE_DEF_ID}; use rustc_hir::Mutability; use rustc_middle::ty::{DefIdTree, Ty, TyCtxt}; use rustc_middle::{bug, ty}; -use rustc_resolve::ParentScope; +use rustc_resolve::rustdoc::MalformedGenerics; +use rustc_resolve::rustdoc::{prepare_to_doc_link_resolution, strip_generics_from_path}; use rustc_session::lint::Lint; use rustc_span::hygiene::MacroKind; use rustc_span::symbol::{sym, Ident, Symbol}; @@ -34,9 +35,6 @@ use crate::lint::{BROKEN_INTRA_DOC_LINKS, PRIVATE_INTRA_DOC_LINKS}; use crate::passes::Pass; use crate::visit::DocVisitor; -mod early; -pub(crate) use early::early_resolve_intra_doc_links; - pub(crate) const COLLECT_INTRA_DOC_LINKS: Pass = Pass { name: "collect-intra-doc-links", run: collect_intra_doc_links, @@ -179,47 +177,6 @@ enum ResolutionFailure<'a> { NotResolved(UnresolvedPath<'a>), } -#[derive(Clone, Copy, Debug)] -enum MalformedGenerics { - /// This link has unbalanced angle brackets. - /// - /// For example, `Vec<T` should trigger this, as should `Vec<T>>`. - UnbalancedAngleBrackets, - /// The generics are not attached to a type. - /// - /// For example, `<T>` should trigger this. - /// - /// This is detected by checking if the path is empty after the generics are stripped. - MissingType, - /// The link uses fully-qualified syntax, which is currently unsupported. - /// - /// For example, `<Vec as IntoIterator>::into_iter` should trigger this. - /// - /// This is detected by checking if ` as ` (the keyword `as` with spaces around it) is inside - /// angle brackets. - HasFullyQualifiedSyntax, - /// The link has an invalid path separator. - /// - /// For example, `Vec:<T>:new()` should trigger this. Note that `Vec:new()` will **not** - /// trigger this because it has no generics and thus [`strip_generics_from_path`] will not be - /// called. - /// - /// Note that this will also **not** be triggered if the invalid path separator is inside angle - /// brackets because rustdoc mostly ignores what's inside angle brackets (except for - /// [`HasFullyQualifiedSyntax`](MalformedGenerics::HasFullyQualifiedSyntax)). - /// - /// This is detected by checking if there is a colon followed by a non-colon in the link. - InvalidPathSeparator, - /// The link has too many angle brackets. - /// - /// For example, `Vec<<T>>` should trigger this. - TooManyAngleBrackets, - /// The link has empty angle brackets. - /// - /// For example, `Vec<>` should trigger this. - EmptyAngleBrackets, -} - #[derive(Clone, Debug, Hash, PartialEq, Eq)] pub(crate) enum UrlFragment { Item(DefId), @@ -338,7 +295,8 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { match ty_res { Res::Def(DefKind::Enum, did) => match tcx.type_of(did).kind() { ty::Adt(def, _) if def.is_enum() => { - if let Some(field) = def.all_fields().find(|f| f.name == variant_field_name) { + if let Some(variant) = def.variants().iter().find(|v| v.name == variant_name) + && let Some(field) = variant.fields.iter().find(|f| f.name == variant_field_name) { Ok((ty_res, field.did)) } else { Err(UnresolvedPath { @@ -407,10 +365,10 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { }) } - /// Convenience wrapper around `resolve_rustdoc_path`. + /// Convenience wrapper around `doc_link_resolutions`. /// /// This also handles resolving `true` and `false` as booleans. - /// NOTE: `resolve_rustdoc_path` knows only about paths, not about types. + /// NOTE: `doc_link_resolutions` knows only about paths, not about types. /// Associated items will never be resolved by this function. fn resolve_path( &self, @@ -426,17 +384,11 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { // Resolver doesn't know about true, false, and types that aren't paths (e.g. `()`). let result = self .cx - .resolver_caches - .doc_link_resolutions - .get(&(Symbol::intern(path_str), ns, module_id)) + .tcx + .doc_link_resolutions(module_id) + .get(&(Symbol::intern(path_str), ns)) .copied() - .unwrap_or_else(|| { - self.cx.enter_resolver(|resolver| { - let parent_scope = - ParentScope::module(resolver.expect_module(module_id), resolver); - resolver.resolve_rustdoc_path(path_str, ns, parent_scope) - }) - }) + .unwrap_or_else(|| panic!("no resolution for {:?} {:?} {:?}", path_str, ns, module_id)) .and_then(|res| res.try_into().ok()) .or_else(|| resolve_primitive(path_str, ns)); debug!("{} resolved to {:?} in namespace {:?}", path_str, result, ns); @@ -562,27 +514,27 @@ impl<'a, 'tcx> LinkCollector<'a, 'tcx> { // FIXME: Only simple types are supported here, see if we can support // other types such as Tuple, Array, Slice, etc. // See https://github.com/rust-lang/rust/issues/90703#issuecomment-1004263455 - Some(tcx.mk_ty(match prim { - Bool => ty::Bool, - Str => ty::Str, - Char => ty::Char, - Never => ty::Never, - I8 => ty::Int(ty::IntTy::I8), - I16 => ty::Int(ty::IntTy::I16), - I32 => ty::Int(ty::IntTy::I32), - I64 => ty::Int(ty::IntTy::I64), - I128 => ty::Int(ty::IntTy::I128), - Isize => ty::Int(ty::IntTy::Isize), - F32 => ty::Float(ty::FloatTy::F32), - F64 => ty::Float(ty::FloatTy::F64), - U8 => ty::Uint(ty::UintTy::U8), - U16 => ty::Uint(ty::UintTy::U16), - U32 => ty::Uint(ty::UintTy::U32), - U64 => ty::Uint(ty::UintTy::U64), - U128 => ty::Uint(ty::UintTy::U128), - Usize => ty::Uint(ty::UintTy::Usize), + Some(match prim { + Bool => tcx.types.bool, + Str => tcx.types.str_, + Char => tcx.types.char, + Never => tcx.types.never, + I8 => tcx.types.i8, + I16 => tcx.types.i16, + I32 => tcx.types.i32, + I64 => tcx.types.i64, + I128 => tcx.types.i128, + Isize => tcx.types.isize, + F32 => tcx.types.f32, + F64 => tcx.types.f64, + U8 => tcx.types.u8, + U16 => tcx.types.u16, + U32 => tcx.types.u32, + U64 => tcx.types.u64, + U128 => tcx.types.u128, + Usize => tcx.types.usize, _ => return None, - })) + }) } /// Resolve an associated item, returning its containing page's `Res` @@ -779,8 +731,7 @@ fn trait_impls_for<'a>( module: DefId, ) -> FxHashSet<(DefId, DefId)> { let tcx = cx.tcx; - let iter = cx.resolver_caches.traits_in_scope[&module].iter().flat_map(|trait_candidate| { - let trait_ = trait_candidate.def_id; + let iter = tcx.doc_link_traits_in_scope(module).iter().flat_map(|&trait_| { trace!("considering explicit impl for trait {:?}", trait_); // Look at each trait implementation to see if it's an impl for `did` @@ -846,7 +797,7 @@ impl<'a, 'tcx> DocVisitor for LinkCollector<'a, 'tcx> { // In the presence of re-exports, this is not the same as the module of the item. // Rather than merging all documentation into one, resolve it one attribute at a time // so we know which module it came from. - for (parent_module, doc) in item.attrs.prepare_to_doc_link_resolution() { + for (parent_module, doc) in prepare_to_doc_link_resolution(&item.attrs.doc_strings) { if !may_have_doc_links(&doc) { continue; } @@ -854,22 +805,12 @@ impl<'a, 'tcx> DocVisitor for LinkCollector<'a, 'tcx> { // NOTE: if there are links that start in one crate and end in another, this will not resolve them. // This is a degenerate case and it's not supported by rustdoc. let parent_node = parent_module.or(parent_node); - let mut tmp_links = self - .cx - .resolver_caches - .markdown_links - .take() - .expect("`markdown_links` are already borrowed"); - if !tmp_links.contains_key(&doc) { - tmp_links.insert(doc.clone(), preprocessed_markdown_links(&doc)); - } - for md_link in &tmp_links[&doc] { - let link = self.resolve_link(item, &doc, parent_node, md_link); + for md_link in preprocessed_markdown_links(&doc) { + let link = self.resolve_link(item, &doc, parent_node, &md_link); if let Some(link) = link { self.cx.cache.intra_doc_links.entry(item.item_id).or_default().push(link); } } - self.cx.resolver_caches.markdown_links = Some(tmp_links); } if item.is_mod() { @@ -975,16 +916,12 @@ fn preprocess_link( } // Strip generics from the path. - let path_str = if path_str.contains(['<', '>'].as_slice()) { - match strip_generics_from_path(path_str) { - Ok(path) => path, - Err(err) => { - debug!("link has malformed generics: {}", path_str); - return Some(Err(PreprocessingError::MalformedGenerics(err, path_str.to_owned()))); - } + let path_str = match strip_generics_from_path(path_str) { + Ok(path) => path, + Err(err) => { + debug!("link has malformed generics: {}", path_str); + return Some(Err(PreprocessingError::MalformedGenerics(err, path_str.to_owned()))); } - } else { - path_str.to_owned() }; // Sanity check to make sure we don't have any angle brackets after stripping generics. @@ -1677,7 +1614,7 @@ fn resolution_failure( // ignore duplicates let mut variants_seen = SmallVec::<[_; 3]>::new(); for mut failure in kinds { - let variant = std::mem::discriminant(&failure); + let variant = mem::discriminant(&failure); if variants_seen.contains(&variant) { continue; } @@ -1747,7 +1684,7 @@ fn resolution_failure( if !path_str.contains("::") { if disambiguator.map_or(true, |d| d.ns() == MacroNS) - && let Some(&res) = collector.cx.resolver_caches.all_macro_rules + && let Some(&res) = collector.cx.tcx.resolutions(()).all_macro_rules .get(&Symbol::intern(path_str)) { diag.note(format!( @@ -1768,15 +1705,35 @@ fn resolution_failure( // Otherwise, it must be an associated item or variant let res = partial_res.expect("None case was handled by `last_found_module`"); - let kind = match res { - Res::Def(kind, _) => Some(kind), + let kind_did = match res { + Res::Def(kind, did) => Some((kind, did)), Res::Primitive(_) => None, }; - let path_description = if let Some(kind) = kind { + let is_struct_variant = |did| { + if let ty::Adt(def, _) = tcx.type_of(did).kind() + && def.is_enum() + && let Some(variant) = def.variants().iter().find(|v| v.name == res.name(tcx)) { + // ctor is `None` if variant is a struct + variant.ctor.is_none() + } else { + false + } + }; + let path_description = if let Some((kind, did)) = kind_did { match kind { Mod | ForeignMod => "inner item", Struct => "field or associated item", Enum | Union => "variant or associated item", + Variant if is_struct_variant(did) => { + let variant = res.name(tcx); + let note = format!("variant `{variant}` has no such field"); + if let Some(span) = sp { + diag.span_label(span, ¬e); + } else { + diag.note(¬e); + } + return; + } Variant | Field | Closure @@ -2064,94 +2021,3 @@ fn resolve_primitive(path_str: &str, ns: Namespace) -> Option<Res> { debug!("resolved primitives {:?}", prim); Some(Res::Primitive(prim)) } - -fn strip_generics_from_path(path_str: &str) -> Result<String, MalformedGenerics> { - let mut stripped_segments = vec![]; - let mut path = path_str.chars().peekable(); - let mut segment = Vec::new(); - - while let Some(chr) = path.next() { - match chr { - ':' => { - if path.next_if_eq(&':').is_some() { - let stripped_segment = - strip_generics_from_path_segment(mem::take(&mut segment))?; - if !stripped_segment.is_empty() { - stripped_segments.push(stripped_segment); - } - } else { - return Err(MalformedGenerics::InvalidPathSeparator); - } - } - '<' => { - segment.push(chr); - - match path.next() { - Some('<') => { - return Err(MalformedGenerics::TooManyAngleBrackets); - } - Some('>') => { - return Err(MalformedGenerics::EmptyAngleBrackets); - } - Some(chr) => { - segment.push(chr); - - while let Some(chr) = path.next_if(|c| *c != '>') { - segment.push(chr); - } - } - None => break, - } - } - _ => segment.push(chr), - } - trace!("raw segment: {:?}", segment); - } - - if !segment.is_empty() { - let stripped_segment = strip_generics_from_path_segment(segment)?; - if !stripped_segment.is_empty() { - stripped_segments.push(stripped_segment); - } - } - - debug!("path_str: {:?}\nstripped segments: {:?}", path_str, &stripped_segments); - - let stripped_path = stripped_segments.join("::"); - - if !stripped_path.is_empty() { Ok(stripped_path) } else { Err(MalformedGenerics::MissingType) } -} - -fn strip_generics_from_path_segment(segment: Vec<char>) -> Result<String, MalformedGenerics> { - let mut stripped_segment = String::new(); - let mut param_depth = 0; - - let mut latest_generics_chunk = String::new(); - - for c in segment { - if c == '<' { - param_depth += 1; - latest_generics_chunk.clear(); - } else if c == '>' { - param_depth -= 1; - if latest_generics_chunk.contains(" as ") { - // The segment tries to use fully-qualified syntax, which is currently unsupported. - // Give a helpful error message instead of completely ignoring the angle brackets. - return Err(MalformedGenerics::HasFullyQualifiedSyntax); - } - } else { - if param_depth == 0 { - stripped_segment.push(c); - } else { - latest_generics_chunk.push(c); - } - } - } - - if param_depth == 0 { - Ok(stripped_segment) - } else { - // The segment has unbalanced angle brackets, e.g. `Vec<T` or `Vec<T>>` - Err(MalformedGenerics::UnbalancedAngleBrackets) - } -} diff --git a/src/librustdoc/passes/collect_intra_doc_links/early.rs b/src/librustdoc/passes/collect_intra_doc_links/early.rs deleted file mode 100644 index f690c49005d..00000000000 --- a/src/librustdoc/passes/collect_intra_doc_links/early.rs +++ /dev/null @@ -1,431 +0,0 @@ -use crate::clean::Attributes; -use crate::core::ResolverCaches; -use crate::passes::collect_intra_doc_links::preprocessed_markdown_links; -use crate::passes::collect_intra_doc_links::{Disambiguator, PreprocessedMarkdownLink}; -use crate::visit_lib::early_lib_embargo_visit_item; - -use rustc_ast::visit::{self, AssocCtxt, Visitor}; -use rustc_ast::{self as ast, ItemKind}; -use rustc_data_structures::fx::FxHashMap; -use rustc_hir::def::Namespace::*; -use rustc_hir::def::{DefKind, Namespace, Res}; -use rustc_hir::def_id::{DefId, DefIdMap, DefIdSet, CRATE_DEF_ID}; -use rustc_hir::TraitCandidate; -use rustc_middle::ty::{DefIdTree, Visibility}; -use rustc_resolve::{ParentScope, Resolver}; -use rustc_span::symbol::sym; -use rustc_span::{Symbol, SyntaxContext}; - -use std::collections::hash_map::Entry; -use std::mem; - -pub(crate) fn early_resolve_intra_doc_links( - resolver: &mut Resolver<'_>, - krate: &ast::Crate, - document_private_items: bool, -) -> ResolverCaches { - let parent_scope = - ParentScope::module(resolver.expect_module(CRATE_DEF_ID.to_def_id()), resolver); - let mut link_resolver = EarlyDocLinkResolver { - resolver, - parent_scope, - visited_mods: Default::default(), - markdown_links: Default::default(), - doc_link_resolutions: Default::default(), - traits_in_scope: Default::default(), - all_trait_impls: Default::default(), - all_macro_rules: Default::default(), - extern_doc_reachable: Default::default(), - local_doc_reachable: Default::default(), - document_private_items, - }; - - // Overridden `visit_item` below doesn't apply to the crate root, - // so we have to visit its attributes and reexports separately. - link_resolver.resolve_doc_links_local(&krate.attrs); - link_resolver.process_module_children_or_reexports(CRATE_DEF_ID.to_def_id()); - visit::walk_crate(&mut link_resolver, krate); - - // FIXME: somehow rustdoc is still missing crates even though we loaded all - // the known necessary crates. Load them all unconditionally until we find a way to fix this. - // DO NOT REMOVE THIS without first testing on the reproducer in - // https://github.com/jyn514/objr/commit/edcee7b8124abf0e4c63873e8422ff81beb11ebb - for (extern_name, _) in - link_resolver.resolver.sess().opts.externs.iter().filter(|(_, entry)| entry.add_prelude) - { - link_resolver.resolver.resolve_rustdoc_path(extern_name, TypeNS, parent_scope); - } - - link_resolver.process_extern_impls(); - - ResolverCaches { - markdown_links: Some(link_resolver.markdown_links), - doc_link_resolutions: link_resolver.doc_link_resolutions, - traits_in_scope: link_resolver.traits_in_scope, - all_trait_impls: Some(link_resolver.all_trait_impls), - all_macro_rules: link_resolver.all_macro_rules, - extern_doc_reachable: link_resolver.extern_doc_reachable, - } -} - -fn doc_attrs<'a>(attrs: impl Iterator<Item = &'a ast::Attribute>) -> Attributes { - Attributes::from_ast_iter(attrs.map(|attr| (attr, None)), true) -} - -struct EarlyDocLinkResolver<'r, 'ra> { - resolver: &'r mut Resolver<'ra>, - parent_scope: ParentScope<'ra>, - visited_mods: DefIdSet, - markdown_links: FxHashMap<String, Vec<PreprocessedMarkdownLink>>, - doc_link_resolutions: FxHashMap<(Symbol, Namespace, DefId), Option<Res<ast::NodeId>>>, - traits_in_scope: DefIdMap<Vec<TraitCandidate>>, - all_trait_impls: Vec<DefId>, - all_macro_rules: FxHashMap<Symbol, Res<ast::NodeId>>, - /// This set is used as a seed for `effective_visibilities`, which are then extended by some - /// more items using `lib_embargo_visit_item` during doc inlining. - extern_doc_reachable: DefIdSet, - /// This is an easily identifiable superset of items added to `effective_visibilities` - /// using `lib_embargo_visit_item` during doc inlining. - /// The union of `(extern,local)_doc_reachable` is therefore a superset of - /// `effective_visibilities` and can be used for pruning extern impls here - /// in early doc link resolution. - local_doc_reachable: DefIdSet, - document_private_items: bool, -} - -impl<'ra> EarlyDocLinkResolver<'_, 'ra> { - fn add_traits_in_scope(&mut self, def_id: DefId) { - // Calls to `traits_in_scope` are expensive, so try to avoid them if only possible. - // Keys in the `traits_in_scope` cache are always module IDs. - if let Entry::Vacant(entry) = self.traits_in_scope.entry(def_id) { - let module = self.resolver.get_nearest_non_block_module(def_id); - let module_id = module.def_id(); - let entry = if module_id == def_id { - Some(entry) - } else if let Entry::Vacant(entry) = self.traits_in_scope.entry(module_id) { - Some(entry) - } else { - None - }; - if let Some(entry) = entry { - entry.insert(self.resolver.traits_in_scope( - None, - &ParentScope::module(module, self.resolver), - SyntaxContext::root(), - None, - )); - } - } - } - - fn is_doc_reachable(&self, def_id: DefId) -> bool { - self.extern_doc_reachable.contains(&def_id) || self.local_doc_reachable.contains(&def_id) - } - - /// Add traits in scope for links in impls collected by the `collect-intra-doc-links` pass. - /// That pass filters impls using type-based information, but we don't yet have such - /// information here, so we just conservatively calculate traits in scope for *all* modules - /// having impls in them. - fn process_extern_impls(&mut self) { - // Resolving links in already existing crates may trigger loading of new crates. - let mut start_cnum = 0; - loop { - let crates = Vec::from_iter(self.resolver.cstore().crates_untracked()); - for cnum in &crates[start_cnum..] { - early_lib_embargo_visit_item( - self.resolver, - &mut self.extern_doc_reachable, - cnum.as_def_id(), - true, - ); - } - for &cnum in &crates[start_cnum..] { - let all_trait_impls = - Vec::from_iter(self.resolver.cstore().trait_impls_in_crate_untracked(cnum)); - let all_inherent_impls = - Vec::from_iter(self.resolver.cstore().inherent_impls_in_crate_untracked(cnum)); - let all_incoherent_impls = Vec::from_iter( - self.resolver.cstore().incoherent_impls_in_crate_untracked(cnum), - ); - - // Querying traits in scope is expensive so we try to prune the impl lists using - // privacy, private traits and impls from other crates are never documented in - // the current crate, and links in their doc comments are not resolved. - for &(trait_def_id, impl_def_id, simplified_self_ty) in &all_trait_impls { - if self.is_doc_reachable(trait_def_id) - && simplified_self_ty - .and_then(|ty| ty.def()) - .map_or(true, |ty_def_id| self.is_doc_reachable(ty_def_id)) - { - if self.visited_mods.insert(trait_def_id) { - self.resolve_doc_links_extern_impl(trait_def_id, false); - } - self.resolve_doc_links_extern_impl(impl_def_id, false); - } - self.all_trait_impls.push(impl_def_id); - } - for (ty_def_id, impl_def_id) in all_inherent_impls { - if self.is_doc_reachable(ty_def_id) { - self.resolve_doc_links_extern_impl(impl_def_id, true); - } - } - for impl_def_id in all_incoherent_impls { - self.resolve_doc_links_extern_impl(impl_def_id, true); - } - } - - if crates.len() > start_cnum { - start_cnum = crates.len(); - } else { - break; - } - } - } - - fn resolve_doc_links_extern_impl(&mut self, def_id: DefId, is_inherent: bool) { - self.resolve_doc_links_extern_outer_fixme(def_id, def_id); - let assoc_item_def_ids = Vec::from_iter( - self.resolver.cstore().associated_item_def_ids_untracked(def_id, self.resolver.sess()), - ); - for assoc_def_id in assoc_item_def_ids { - if !is_inherent || self.resolver.cstore().visibility_untracked(assoc_def_id).is_public() - { - self.resolve_doc_links_extern_outer_fixme(assoc_def_id, def_id); - } - } - } - - // FIXME: replace all uses with `resolve_doc_links_extern_outer` to actually resolve links, not - // just add traits in scope. This may be expensive and require benchmarking and optimization. - fn resolve_doc_links_extern_outer_fixme(&mut self, def_id: DefId, scope_id: DefId) { - if !self.resolver.cstore().may_have_doc_links_untracked(def_id) { - return; - } - if let Some(parent_id) = self.resolver.opt_parent(scope_id) { - self.add_traits_in_scope(parent_id); - } - } - - fn resolve_doc_links_extern_outer(&mut self, def_id: DefId, scope_id: DefId) { - if !self.resolver.cstore().may_have_doc_links_untracked(def_id) { - return; - } - let attrs = Vec::from_iter( - self.resolver.cstore().item_attrs_untracked(def_id, self.resolver.sess()), - ); - let parent_scope = ParentScope::module( - self.resolver.get_nearest_non_block_module( - self.resolver.opt_parent(scope_id).unwrap_or(scope_id), - ), - self.resolver, - ); - self.resolve_doc_links(doc_attrs(attrs.iter()), parent_scope); - } - - fn resolve_doc_links_extern_inner(&mut self, def_id: DefId) { - if !self.resolver.cstore().may_have_doc_links_untracked(def_id) { - return; - } - let attrs = Vec::from_iter( - self.resolver.cstore().item_attrs_untracked(def_id, self.resolver.sess()), - ); - let parent_scope = ParentScope::module(self.resolver.expect_module(def_id), self.resolver); - self.resolve_doc_links(doc_attrs(attrs.iter()), parent_scope); - } - - fn resolve_doc_links_local(&mut self, attrs: &[ast::Attribute]) { - if !attrs.iter().any(|attr| attr.may_have_doc_links()) { - return; - } - self.resolve_doc_links(doc_attrs(attrs.iter()), self.parent_scope); - } - - fn resolve_and_cache( - &mut self, - path_str: &str, - ns: Namespace, - parent_scope: &ParentScope<'ra>, - ) -> bool { - // FIXME: This caching may be incorrect in case of multiple `macro_rules` - // items with the same name in the same module. - self.doc_link_resolutions - .entry((Symbol::intern(path_str), ns, parent_scope.module.def_id())) - .or_insert_with_key(|(path, ns, _)| { - self.resolver.resolve_rustdoc_path(path.as_str(), *ns, *parent_scope) - }) - .is_some() - } - - fn resolve_doc_links(&mut self, attrs: Attributes, parent_scope: ParentScope<'ra>) { - let mut need_traits_in_scope = false; - for (doc_module, doc) in attrs.prepare_to_doc_link_resolution() { - assert_eq!(doc_module, None); - let mut tmp_links = mem::take(&mut self.markdown_links); - let links = - tmp_links.entry(doc).or_insert_with_key(|doc| preprocessed_markdown_links(doc)); - for PreprocessedMarkdownLink(pp_link, _) in links { - if let Ok(pinfo) = pp_link { - // The logic here is a conservative approximation for path resolution in - // `resolve_with_disambiguator`. - if let Some(ns) = pinfo.disambiguator.map(Disambiguator::ns) { - if self.resolve_and_cache(&pinfo.path_str, ns, &parent_scope) { - continue; - } - } - - // Resolve all namespaces due to no disambiguator or for diagnostics. - let mut any_resolved = false; - let mut need_assoc = false; - for ns in [TypeNS, ValueNS, MacroNS] { - if self.resolve_and_cache(&pinfo.path_str, ns, &parent_scope) { - any_resolved = true; - } else if ns != MacroNS { - need_assoc = true; - } - } - - // Resolve all prefixes for type-relative resolution or for diagnostics. - if need_assoc || !any_resolved { - let mut path = &pinfo.path_str[..]; - while let Some(idx) = path.rfind("::") { - path = &path[..idx]; - need_traits_in_scope = true; - for ns in [TypeNS, ValueNS, MacroNS] { - self.resolve_and_cache(path, ns, &parent_scope); - } - } - } - } - } - self.markdown_links = tmp_links; - } - - if need_traits_in_scope { - self.add_traits_in_scope(parent_scope.module.def_id()); - } - } - - /// When reexports are inlined, they are replaced with item which they refer to, those items - /// may have links in their doc comments, those links are resolved at the item definition site, - /// so we need to know traits in scope at that definition site. - fn process_module_children_or_reexports(&mut self, module_id: DefId) { - if !self.visited_mods.insert(module_id) { - return; // avoid infinite recursion - } - - for child in self.resolver.module_children_or_reexports(module_id) { - // This condition should give a superset of `denied` from `fn clean_use_statement`. - if child.vis.is_public() - || self.document_private_items - && child.vis != Visibility::Restricted(module_id) - && module_id.is_local() - { - if let Some(def_id) = child.res.opt_def_id() && !def_id.is_local() { - self.local_doc_reachable.insert(def_id); - let scope_id = match child.res { - Res::Def( - DefKind::Variant - | DefKind::AssocTy - | DefKind::AssocFn - | DefKind::AssocConst, - .., - ) => self.resolver.parent(def_id), - _ => def_id, - }; - self.resolve_doc_links_extern_outer(def_id, scope_id); // Outer attribute scope - if let Res::Def(DefKind::Mod, ..) = child.res { - self.resolve_doc_links_extern_inner(def_id); // Inner attribute scope - } - if let Res::Def(DefKind::Mod | DefKind::Enum | DefKind::Trait, ..) = child.res { - self.process_module_children_or_reexports(def_id); - } - if let Res::Def(DefKind::Struct | DefKind::Union | DefKind::Variant, _) = - child.res - { - let field_def_ids = Vec::from_iter( - self.resolver - .cstore() - .associated_item_def_ids_untracked(def_id, self.resolver.sess()), - ); - for field_def_id in field_def_ids { - self.resolve_doc_links_extern_outer(field_def_id, scope_id); - } - } - } - } - } - } -} - -impl Visitor<'_> for EarlyDocLinkResolver<'_, '_> { - fn visit_item(&mut self, item: &ast::Item) { - self.resolve_doc_links_local(&item.attrs); // Outer attribute scope - if let ItemKind::Mod(..) = item.kind { - let module_def_id = self.resolver.local_def_id(item.id).to_def_id(); - let module = self.resolver.expect_module(module_def_id); - let old_module = mem::replace(&mut self.parent_scope.module, module); - let old_macro_rules = self.parent_scope.macro_rules; - self.resolve_doc_links_local(&item.attrs); // Inner attribute scope - self.process_module_children_or_reexports(module_def_id); - visit::walk_item(self, item); - if item - .attrs - .iter() - .all(|attr| !attr.has_name(sym::macro_use) && !attr.has_name(sym::macro_escape)) - { - self.parent_scope.macro_rules = old_macro_rules; - } - self.parent_scope.module = old_module; - } else { - match &item.kind { - ItemKind::Impl(box ast::Impl { of_trait: Some(trait_ref), .. }) => { - if let Some(partial_res) = self.resolver.get_partial_res(trait_ref.ref_id) - && let Some(res) = partial_res.full_res() - && let Some(trait_def_id) = res.opt_def_id() - && !trait_def_id.is_local() - && self.visited_mods.insert(trait_def_id) { - self.resolve_doc_links_extern_impl(trait_def_id, false); - } - self.all_trait_impls.push(self.resolver.local_def_id(item.id).to_def_id()); - } - ItemKind::MacroDef(macro_def) if macro_def.macro_rules => { - let (macro_rules_scope, res) = - self.resolver.macro_rules_scope(self.resolver.local_def_id(item.id)); - self.parent_scope.macro_rules = macro_rules_scope; - self.all_macro_rules.insert(item.ident.name, res); - } - _ => {} - } - visit::walk_item(self, item); - } - } - - fn visit_assoc_item(&mut self, item: &ast::AssocItem, ctxt: AssocCtxt) { - self.resolve_doc_links_local(&item.attrs); - visit::walk_assoc_item(self, item, ctxt) - } - - fn visit_foreign_item(&mut self, item: &ast::ForeignItem) { - self.resolve_doc_links_local(&item.attrs); - visit::walk_foreign_item(self, item) - } - - fn visit_variant(&mut self, v: &ast::Variant) { - self.resolve_doc_links_local(&v.attrs); - visit::walk_variant(self, v) - } - - fn visit_field_def(&mut self, field: &ast::FieldDef) { - self.resolve_doc_links_local(&field.attrs); - visit::walk_field_def(self, field) - } - - fn visit_block(&mut self, block: &ast::Block) { - let old_macro_rules = self.parent_scope.macro_rules; - visit::walk_block(self, block); - self.parent_scope.macro_rules = old_macro_rules; - } - - // NOTE: if doc-comments are ever allowed on other nodes (e.g. function parameters), - // then this will have to implement other visitor methods too. -} diff --git a/src/librustdoc/passes/collect_trait_impls.rs b/src/librustdoc/passes/collect_trait_impls.rs index 7d15a207d06..878e738fe50 100644 --- a/src/librustdoc/passes/collect_trait_impls.rs +++ b/src/librustdoc/passes/collect_trait_impls.rs @@ -45,18 +45,20 @@ pub(crate) fn collect_trait_impls(mut krate: Crate, cx: &mut DocContext<'_>) -> let mut new_items_local = Vec::new(); // External trait impls. - cx.with_all_trait_impls(|cx, all_trait_impls| { + { let _prof_timer = cx.tcx.sess.prof.generic_activity("build_extern_trait_impls"); - for &impl_def_id in all_trait_impls.iter().skip_while(|def_id| def_id.is_local()) { - inline::build_impl(cx, None, impl_def_id, None, &mut new_items_external); + for &cnum in cx.tcx.crates(()) { + for &impl_def_id in cx.tcx.trait_impls_in_crate(cnum) { + inline::build_impl(cx, None, impl_def_id, None, &mut new_items_external); + } } - }); + } // Local trait impls. - cx.with_all_trait_impls(|cx, all_trait_impls| { + { let _prof_timer = cx.tcx.sess.prof.generic_activity("build_local_trait_impls"); let mut attr_buf = Vec::new(); - for &impl_def_id in all_trait_impls.iter().take_while(|def_id| def_id.is_local()) { + for &impl_def_id in cx.tcx.trait_impls_in_crate(LOCAL_CRATE) { let mut parent = Some(cx.tcx.parent(impl_def_id)); while let Some(did) = parent { attr_buf.extend( @@ -76,7 +78,7 @@ pub(crate) fn collect_trait_impls(mut krate: Crate, cx: &mut DocContext<'_>) -> inline::build_impl(cx, None, impl_def_id, Some(&attr_buf), &mut new_items_local); attr_buf.clear(); } - }); + } cx.tcx.sess.prof.generic_activity("build_primitive_trait_impls").run(|| { for def_id in PrimitiveType::all_impls(cx.tcx) { diff --git a/src/librustdoc/passes/mod.rs b/src/librustdoc/passes/mod.rs index 634e70ec97a..4b1ff68df50 100644 --- a/src/librustdoc/passes/mod.rs +++ b/src/librustdoc/passes/mod.rs @@ -2,11 +2,12 @@ //! process. use rustc_middle::ty::TyCtxt; +use rustc_resolve::rustdoc::DocFragmentKind; use rustc_span::{InnerSpan, Span, DUMMY_SP}; use std::ops::Range; use self::Condition::*; -use crate::clean::{self, DocFragmentKind}; +use crate::clean; use crate::core::DocContext; mod stripper; diff --git a/src/librustdoc/visit_ast.rs b/src/librustdoc/visit_ast.rs index 088cb3f3394..9c1e5f4a3cd 100644 --- a/src/librustdoc/visit_ast.rs +++ b/src/librustdoc/visit_ast.rs @@ -378,7 +378,7 @@ impl<'a, 'tcx> RustdocVisitor<'a, 'tcx> { let nonexported = !tcx.has_attr(def_id, sym::macro_export); if is_macro_2_0 || nonexported || self.inlining { - self.add_to_current_mod(item, renamed, None); + self.add_to_current_mod(item, renamed, import_id); } } hir::ItemKind::Mod(ref m) => { diff --git a/src/librustdoc/visit_lib.rs b/src/librustdoc/visit_lib.rs index 07d8b78d767..fd4f9254107 100644 --- a/src/librustdoc/visit_lib.rs +++ b/src/librustdoc/visit_lib.rs @@ -1,8 +1,7 @@ use crate::core::DocContext; -use rustc_hir::def::{DefKind, Res}; +use rustc_hir::def::DefKind; use rustc_hir::def_id::{DefId, DefIdSet}; use rustc_middle::ty::TyCtxt; -use rustc_resolve::Resolver; // FIXME: this may not be exhaustive, but is sufficient for rustdocs current uses @@ -26,10 +25,6 @@ impl RustdocEffectiveVisibilities { define_method!(is_directly_public); define_method!(is_exported); define_method!(is_reachable); - - pub(crate) fn init(&mut self, extern_public: DefIdSet) { - self.extern_public = extern_public; - } } pub(crate) fn lib_embargo_visit_item(cx: &mut DocContext<'_>, def_id: DefId) { @@ -42,17 +37,6 @@ pub(crate) fn lib_embargo_visit_item(cx: &mut DocContext<'_>, def_id: DefId) { .visit_item(def_id) } -pub(crate) fn early_lib_embargo_visit_item( - resolver: &Resolver<'_>, - extern_public: &mut DefIdSet, - def_id: DefId, - is_mod: bool, -) { - assert!(!def_id.is_local()); - EarlyLibEmbargoVisitor { resolver, extern_public, visited_mods: Default::default() } - .visit_item(def_id, is_mod) -} - /// Similar to `librustc_privacy::EmbargoVisitor`, but also takes /// specific rustdoc annotations into account (i.e., `doc(hidden)`) struct LibEmbargoVisitor<'a, 'tcx> { @@ -63,14 +47,6 @@ struct LibEmbargoVisitor<'a, 'tcx> { visited_mods: DefIdSet, } -struct EarlyLibEmbargoVisitor<'r, 'ra> { - resolver: &'r Resolver<'ra>, - // Effective visibilities for reachable nodes - extern_public: &'r mut DefIdSet, - // Keeps track of already visited modules, in case a module re-exports its parent - visited_mods: DefIdSet, -} - impl LibEmbargoVisitor<'_, '_> { fn visit_mod(&mut self, def_id: DefId) { if !self.visited_mods.insert(def_id) { @@ -95,28 +71,3 @@ impl LibEmbargoVisitor<'_, '_> { } } } - -impl EarlyLibEmbargoVisitor<'_, '_> { - fn visit_mod(&mut self, def_id: DefId) { - if !self.visited_mods.insert(def_id) { - return; - } - - for item in self.resolver.cstore().module_children_untracked(def_id, self.resolver.sess()) { - if let Some(def_id) = item.res.opt_def_id() { - if item.vis.is_public() { - self.visit_item(def_id, matches!(item.res, Res::Def(DefKind::Mod, _))); - } - } - } - } - - fn visit_item(&mut self, def_id: DefId, is_mod: bool) { - if !self.resolver.cstore().is_doc_hidden_untracked(def_id) { - self.extern_public.insert(def_id); - if is_mod { - self.visit_mod(def_id); - } - } - } -} diff --git a/src/tools/build_helper/src/git.rs b/src/tools/build_helper/src/git.rs index dc62051cb85..168633c8f63 100644 --- a/src/tools/build_helper/src/git.rs +++ b/src/tools/build_helper/src/git.rs @@ -1,5 +1,24 @@ +use std::process::Stdio; use std::{path::Path, process::Command}; +/// Runs a command and returns the output +fn output_result(cmd: &mut Command) -> Result<String, String> { + let output = match cmd.stderr(Stdio::inherit()).output() { + Ok(status) => status, + Err(e) => return Err(format!("failed to run command: {:?}: {}", cmd, e)), + }; + if !output.status.success() { + return Err(format!( + "command did not execute successfully: {:?}\n\ + expected success, got: {}\n{}", + cmd, + output.status, + String::from_utf8(output.stderr).map_err(|err| format!("{err:?}"))? + )); + } + Ok(String::from_utf8(output.stdout).map_err(|err| format!("{err:?}"))?) +} + /// Finds the remote for rust-lang/rust. /// For example for these remotes it will return `upstream`. /// ```text @@ -14,13 +33,7 @@ pub fn get_rust_lang_rust_remote(git_dir: Option<&Path>) -> Result<String, Strin git.current_dir(git_dir); } git.args(["config", "--local", "--get-regex", "remote\\..*\\.url"]); - - let output = git.output().map_err(|err| format!("{err:?}"))?; - if !output.status.success() { - return Err("failed to execute git config command".to_owned()); - } - - let stdout = String::from_utf8(output.stdout).map_err(|err| format!("{err:?}"))?; + let stdout = output_result(&mut git)?; let rust_lang_remote = stdout .lines() @@ -73,3 +86,48 @@ pub fn updated_master_branch(git_dir: Option<&Path>) -> Result<String, String> { // We could implement smarter logic here in the future. Ok("origin/master".into()) } + +/// Returns the files that have been modified in the current branch compared to the master branch. +/// The `extensions` parameter can be used to filter the files by their extension. +/// If `extensions` is empty, all files will be returned. +pub fn get_git_modified_files( + git_dir: Option<&Path>, + extensions: &Vec<&str>, +) -> Result<Option<Vec<String>>, String> { + let Ok(updated_master) = updated_master_branch(git_dir) else { return Ok(None); }; + + let git = || { + let mut git = Command::new("git"); + if let Some(git_dir) = git_dir { + git.current_dir(git_dir); + } + git + }; + + let merge_base = output_result(git().arg("merge-base").arg(&updated_master).arg("HEAD"))?; + let files = output_result(git().arg("diff-index").arg("--name-only").arg(merge_base.trim()))? + .lines() + .map(|s| s.trim().to_owned()) + .filter(|f| { + Path::new(f).extension().map_or(false, |ext| { + extensions.is_empty() || extensions.contains(&ext.to_str().unwrap()) + }) + }) + .collect(); + Ok(Some(files)) +} + +/// Returns the files that haven't been added to git yet. +pub fn get_git_untracked_files(git_dir: Option<&Path>) -> Result<Option<Vec<String>>, String> { + let Ok(_updated_master) = updated_master_branch(git_dir) else { return Ok(None); }; + let mut git = Command::new("git"); + if let Some(git_dir) = git_dir { + git.current_dir(git_dir); + } + + let files = output_result(git.arg("ls-files").arg("--others").arg("--exclude-standard"))? + .lines() + .map(|s| s.trim().to_owned()) + .collect(); + Ok(Some(files)) +} diff --git a/src/tools/cargo b/src/tools/cargo -Subproject 82c3bb79e3a19a5164e33819ef81bfc2c984bc5 +Subproject 39c13e67a5962466cc7253d41bc1099bbcb224c diff --git a/src/tools/clippy/CHANGELOG.md b/src/tools/clippy/CHANGELOG.md index e2cde09776f..659e8aebcd5 100644 --- a/src/tools/clippy/CHANGELOG.md +++ b/src/tools/clippy/CHANGELOG.md @@ -4383,6 +4383,7 @@ Released 2018-09-13 [`extend_from_slice`]: https://rust-lang.github.io/rust-clippy/master/index.html#extend_from_slice [`extend_with_drain`]: https://rust-lang.github.io/rust-clippy/master/index.html#extend_with_drain [`extra_unused_lifetimes`]: https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_lifetimes +[`extra_unused_type_parameters`]: https://rust-lang.github.io/rust-clippy/master/index.html#extra_unused_type_parameters [`fallible_impl_from`]: https://rust-lang.github.io/rust-clippy/master/index.html#fallible_impl_from [`field_reassign_with_default`]: https://rust-lang.github.io/rust-clippy/master/index.html#field_reassign_with_default [`filetype_is_file`]: https://rust-lang.github.io/rust-clippy/master/index.html#filetype_is_file diff --git a/src/tools/clippy/Cargo.toml b/src/tools/clippy/Cargo.toml index 2cfb47dd758..70d1268090f 100644 --- a/src/tools/clippy/Cargo.toml +++ b/src/tools/clippy/Cargo.toml @@ -42,6 +42,7 @@ filetime = "0.2" rustc-workspace-hack = "1.0" # UI test dependencies +clap = { version = "4.1.4", features = ["derive"] } clippy_utils = { path = "clippy_utils" } derive-new = "0.5" if_chain = "1.0" diff --git a/src/tools/clippy/README.md b/src/tools/clippy/README.md index ab44db69483..95f6d2cc45c 100644 --- a/src/tools/clippy/README.md +++ b/src/tools/clippy/README.md @@ -5,7 +5,7 @@ A collection of lints to catch common mistakes and improve your [Rust](https://github.com/rust-lang/rust) code. -[There are over 550 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html) +[There are over 600 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html) Lints are divided into categories, each with a default [lint level](https://doc.rust-lang.org/rustc/lints/levels.html). You can choose how much Clippy is supposed to ~~annoy~~ help you by changing the lint level by category. diff --git a/src/tools/clippy/book/src/README.md b/src/tools/clippy/book/src/README.md index 23867df8efe..df4a1f2702e 100644 --- a/src/tools/clippy/book/src/README.md +++ b/src/tools/clippy/book/src/README.md @@ -6,7 +6,7 @@ A collection of lints to catch common mistakes and improve your [Rust](https://github.com/rust-lang/rust) code. -[There are over 550 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html) +[There are over 600 lints included in this crate!](https://rust-lang.github.io/rust-clippy/master/index.html) Lints are divided into categories, each with a default [lint level](https://doc.rust-lang.org/rustc/lints/levels.html). You can choose how diff --git a/src/tools/clippy/book/src/lint_configuration.md b/src/tools/clippy/book/src/lint_configuration.md index f79dbb50ff4..32e8e218c40 100644 --- a/src/tools/clippy/book/src/lint_configuration.md +++ b/src/tools/clippy/book/src/lint_configuration.md @@ -43,6 +43,7 @@ Please use that command to update the file and do not edit it by hand. | [allowed-scripts](#allowed-scripts) | `["Latin"]` | | [enable-raw-pointer-heuristic-for-send](#enable-raw-pointer-heuristic-for-send) | `true` | | [max-suggested-slice-pattern-length](#max-suggested-slice-pattern-length) | `3` | +| [await-holding-invalid-types](#await-holding-invalid-types) | `[]` | | [max-include-file-size](#max-include-file-size) | `1000000` | | [allow-expect-in-tests](#allow-expect-in-tests) | `false` | | [allow-unwrap-in-tests](#allow-unwrap-in-tests) | `false` | @@ -167,6 +168,17 @@ The minimum rust version that the project supports * [manual_clamp](https://rust-lang.github.io/rust-clippy/master/index.html#manual_clamp) * [manual_let_else](https://rust-lang.github.io/rust-clippy/master/index.html#manual_let_else) * [unchecked_duration_subtraction](https://rust-lang.github.io/rust-clippy/master/index.html#unchecked_duration_subtraction) +* [collapsible_str_replace](https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_str_replace) +* [seek_from_current](https://rust-lang.github.io/rust-clippy/master/index.html#seek_from_current) +* [seek_rewind](https://rust-lang.github.io/rust-clippy/master/index.html#seek_rewind) +* [unnecessary_lazy_evaluations](https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations) +* [transmute_ptr_to_ref](https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref) +* [almost_complete_range](https://rust-lang.github.io/rust-clippy/master/index.html#almost_complete_range) +* [needless_borrow](https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow) +* [derivable_impls](https://rust-lang.github.io/rust-clippy/master/index.html#derivable_impls) +* [manual_is_ascii_check](https://rust-lang.github.io/rust-clippy/master/index.html#manual_is_ascii_check) +* [manual_rem_euclid](https://rust-lang.github.io/rust-clippy/master/index.html#manual_rem_euclid) +* [manual_retain](https://rust-lang.github.io/rust-clippy/master/index.html#manual_retain) ### cognitive-complexity-threshold @@ -279,7 +291,7 @@ The minimum size (in bytes) to consider a type for passing by reference instead **Default Value:** `256` (`u64`) -* [large_type_pass_by_move](https://rust-lang.github.io/rust-clippy/master/index.html#large_type_pass_by_move) +* [large_types_passed_by_value](https://rust-lang.github.io/rust-clippy/master/index.html#large_types_passed_by_value) ### too-many-lines-threshold @@ -442,6 +454,14 @@ For example, `[_, _, _, e, ..]` is a slice pattern with 4 elements. * [index_refutable_slice](https://rust-lang.github.io/rust-clippy/master/index.html#index_refutable_slice) +### await-holding-invalid-types + + +**Default Value:** `[]` (`Vec<crate::utils::conf::DisallowedPath>`) + +* [await_holding_invalid_type](https://rust-lang.github.io/rust-clippy/master/index.html#await_holding_invalid_type) + + ### max-include-file-size The maximum size of a file included via `include_bytes!()` or `include_str!()`, in bytes @@ -497,7 +517,7 @@ for the generic parameters for determining interior mutability **Default Value:** `["bytes::Bytes"]` (`Vec<String>`) -* [mutable_key](https://rust-lang.github.io/rust-clippy/master/index.html#mutable_key) +* [mutable_key_type](https://rust-lang.github.io/rust-clippy/master/index.html#mutable_key_type) ### allow-mixed-uninlined-format-args @@ -509,7 +529,7 @@ Whether to allow mixed uninlined format args, e.g. `format!("{} {}", a, foo.bar) ### suppress-restriction-lint-in-const -In same +Whether to suppress a restriction lint in constant code. In same cases the restructured operation might not be unavoidable, as the suggested counterparts are unavailable in constant code. This configuration will cause restriction lints to trigger even diff --git a/src/tools/clippy/clippy_dev/Cargo.toml b/src/tools/clippy/clippy_dev/Cargo.toml index 510c7e852af..c3f8a782d27 100644 --- a/src/tools/clippy/clippy_dev/Cargo.toml +++ b/src/tools/clippy/clippy_dev/Cargo.toml @@ -5,7 +5,7 @@ edition = "2021" [dependencies] aho-corasick = "0.7" -clap = "3.2" +clap = "4.1.4" indoc = "1.0" itertools = "0.10.1" opener = "0.5" diff --git a/src/tools/clippy/clippy_dev/src/main.rs b/src/tools/clippy/clippy_dev/src/main.rs index d3e03669204..e2457e5a8a5 100644 --- a/src/tools/clippy/clippy_dev/src/main.rs +++ b/src/tools/clippy/clippy_dev/src/main.rs @@ -2,7 +2,7 @@ // warn on lints, that are included in `rust-lang/rust`s bootstrap #![warn(rust_2018_idioms, unused_lifetimes)] -use clap::{Arg, ArgAction, ArgMatches, Command, PossibleValue}; +use clap::{Arg, ArgAction, ArgMatches, Command}; use clippy_dev::{bless, dogfood, fmt, lint, new_lint, serve, setup, update_lints}; use indoc::indoc; @@ -11,22 +11,22 @@ fn main() { match matches.subcommand() { Some(("bless", matches)) => { - bless::bless(matches.contains_id("ignore-timestamp")); + bless::bless(matches.get_flag("ignore-timestamp")); }, Some(("dogfood", matches)) => { dogfood::dogfood( - matches.contains_id("fix"), - matches.contains_id("allow-dirty"), - matches.contains_id("allow-staged"), + matches.get_flag("fix"), + matches.get_flag("allow-dirty"), + matches.get_flag("allow-staged"), ); }, Some(("fmt", matches)) => { - fmt::run(matches.contains_id("check"), matches.contains_id("verbose")); + fmt::run(matches.get_flag("check"), matches.get_flag("verbose")); }, Some(("update_lints", matches)) => { - if matches.contains_id("print-only") { + if matches.get_flag("print-only") { update_lints::print_lints(); - } else if matches.contains_id("check") { + } else if matches.get_flag("check") { update_lints::update(update_lints::UpdateMode::Check); } else { update_lints::update(update_lints::UpdateMode::Change); @@ -38,7 +38,7 @@ fn main() { matches.get_one::<String>("name"), matches.get_one::<String>("category").map(String::as_str), matches.get_one::<String>("type").map(String::as_str), - matches.contains_id("msrv"), + matches.get_flag("msrv"), ) { Ok(_) => update_lints::update(update_lints::UpdateMode::Change), Err(e) => eprintln!("Unable to create lint: {e}"), @@ -46,7 +46,7 @@ fn main() { }, Some(("setup", sub_command)) => match sub_command.subcommand() { Some(("intellij", matches)) => { - if matches.contains_id("remove") { + if matches.get_flag("remove") { setup::intellij::remove_rustc_src(); } else { setup::intellij::setup_rustc_src( @@ -57,17 +57,17 @@ fn main() { } }, Some(("git-hook", matches)) => { - if matches.contains_id("remove") { + if matches.get_flag("remove") { setup::git_hook::remove_hook(); } else { - setup::git_hook::install_hook(matches.contains_id("force-override")); + setup::git_hook::install_hook(matches.get_flag("force-override")); } }, Some(("vscode-tasks", matches)) => { - if matches.contains_id("remove") { + if matches.get_flag("remove") { setup::vscode::remove_tasks(); } else { - setup::vscode::install_tasks(matches.contains_id("force-override")); + setup::vscode::install_tasks(matches.get_flag("force-override")); } }, _ => {}, @@ -91,7 +91,7 @@ fn main() { Some(("rename_lint", matches)) => { let old_name = matches.get_one::<String>("old_name").unwrap(); let new_name = matches.get_one::<String>("new_name").unwrap_or(old_name); - let uplift = matches.contains_id("uplift"); + let uplift = matches.get_flag("uplift"); update_lints::rename(old_name, new_name, uplift); }, Some(("deprecate", matches)) => { @@ -110,24 +110,37 @@ fn get_clap_config() -> ArgMatches { Command::new("bless").about("bless the test output changes").arg( Arg::new("ignore-timestamp") .long("ignore-timestamp") + .action(ArgAction::SetTrue) .help("Include files updated before clippy was built"), ), Command::new("dogfood").about("Runs the dogfood test").args([ - Arg::new("fix").long("fix").help("Apply the suggestions when possible"), + Arg::new("fix") + .long("fix") + .action(ArgAction::SetTrue) + .help("Apply the suggestions when possible"), Arg::new("allow-dirty") .long("allow-dirty") + .action(ArgAction::SetTrue) .help("Fix code even if the working directory has changes") .requires("fix"), Arg::new("allow-staged") .long("allow-staged") + .action(ArgAction::SetTrue) .help("Fix code even if the working directory has staged changes") .requires("fix"), ]), Command::new("fmt") .about("Run rustfmt on all projects and tests") .args([ - Arg::new("check").long("check").help("Use the rustfmt --check option"), - Arg::new("verbose").short('v').long("verbose").help("Echo commands run"), + Arg::new("check") + .long("check") + .action(ArgAction::SetTrue) + .help("Use the rustfmt --check option"), + Arg::new("verbose") + .short('v') + .long("verbose") + .action(ArgAction::SetTrue) + .help("Echo commands run"), ]), Command::new("update_lints") .about("Updates lint registration and information from the source code") @@ -140,13 +153,17 @@ fn get_clap_config() -> ArgMatches { * all lints are registered in the lint store", ) .args([ - Arg::new("print-only").long("print-only").help( - "Print a table of lints to STDOUT. \ - This does not include deprecated and internal lints. \ - (Does not modify any files)", - ), + Arg::new("print-only") + .long("print-only") + .action(ArgAction::SetTrue) + .help( + "Print a table of lints to STDOUT. \ + This does not include deprecated and internal lints. \ + (Does not modify any files)", + ), Arg::new("check") .long("check") + .action(ArgAction::SetTrue) .help("Checks that `cargo dev update_lints` has been run. Used on CI."), ]), Command::new("new_lint") @@ -156,15 +173,13 @@ fn get_clap_config() -> ArgMatches { .short('p') .long("pass") .help("Specify whether the lint runs during the early or late pass") - .takes_value(true) - .value_parser([PossibleValue::new("early"), PossibleValue::new("late")]) + .value_parser(["early", "late"]) .conflicts_with("type") .required_unless_present("type"), Arg::new("name") .short('n') .long("name") .help("Name of the new lint in snake case, ex: fn_too_long") - .takes_value(true) .required(true), Arg::new("category") .short('c') @@ -172,25 +187,23 @@ fn get_clap_config() -> ArgMatches { .help("What category the lint belongs to") .default_value("nursery") .value_parser([ - PossibleValue::new("style"), - PossibleValue::new("correctness"), - PossibleValue::new("suspicious"), - PossibleValue::new("complexity"), - PossibleValue::new("perf"), - PossibleValue::new("pedantic"), - PossibleValue::new("restriction"), - PossibleValue::new("cargo"), - PossibleValue::new("nursery"), - PossibleValue::new("internal"), - PossibleValue::new("internal_warn"), - ]) - .takes_value(true), - Arg::new("type") - .long("type") - .help("What directory the lint belongs in") - .takes_value(true) - .required(false), - Arg::new("msrv").long("msrv").help("Add MSRV config code to the lint"), + "style", + "correctness", + "suspicious", + "complexity", + "perf", + "pedantic", + "restriction", + "cargo", + "nursery", + "internal", + "internal_warn", + ]), + Arg::new("type").long("type").help("What directory the lint belongs in"), + Arg::new("msrv") + .long("msrv") + .action(ArgAction::SetTrue) + .help("Add MSRV config code to the lint"), ]), Command::new("setup") .about("Support for setting up your personal development environment") @@ -201,13 +214,12 @@ fn get_clap_config() -> ArgMatches { .args([ Arg::new("remove") .long("remove") - .help("Remove the dependencies added with 'cargo dev setup intellij'") - .required(false), + .action(ArgAction::SetTrue) + .help("Remove the dependencies added with 'cargo dev setup intellij'"), Arg::new("rustc-repo-path") .long("repo-path") .short('r') .help("The path to a rustc repo that will be used for setting the dependencies") - .takes_value(true) .value_name("path") .conflicts_with("remove") .required(true), @@ -217,26 +229,26 @@ fn get_clap_config() -> ArgMatches { .args([ Arg::new("remove") .long("remove") - .help("Remove the pre-commit hook added with 'cargo dev setup git-hook'") - .required(false), + .action(ArgAction::SetTrue) + .help("Remove the pre-commit hook added with 'cargo dev setup git-hook'"), Arg::new("force-override") .long("force-override") .short('f') - .help("Forces the override of an existing git pre-commit hook") - .required(false), + .action(ArgAction::SetTrue) + .help("Forces the override of an existing git pre-commit hook"), ]), Command::new("vscode-tasks") .about("Add several tasks to vscode for formatting, validation and testing") .args([ Arg::new("remove") .long("remove") - .help("Remove the tasks added with 'cargo dev setup vscode-tasks'") - .required(false), + .action(ArgAction::SetTrue) + .help("Remove the tasks added with 'cargo dev setup vscode-tasks'"), Arg::new("force-override") .long("force-override") .short('f') - .help("Forces the override of existing vscode tasks") - .required(false), + .action(ArgAction::SetTrue) + .help("Forces the override of existing vscode tasks"), ]), ]), Command::new("remove") @@ -295,6 +307,7 @@ fn get_clap_config() -> ArgMatches { .help("The new name of the lint"), Arg::new("uplift") .long("uplift") + .action(ArgAction::SetTrue) .help("This lint will be uplifted into rustc"), ]), Command::new("deprecate").about("Deprecates the given lint").args([ @@ -305,8 +318,6 @@ fn get_clap_config() -> ArgMatches { Arg::new("reason") .long("reason") .short('r') - .required(false) - .takes_value(true) .help("The reason for deprecation"), ]), ]) diff --git a/src/tools/clippy/clippy_lints/Cargo.toml b/src/tools/clippy/clippy_lints/Cargo.toml index 4c40483e3ec..796f1ff1695 100644 --- a/src/tools/clippy/clippy_lints/Cargo.toml +++ b/src/tools/clippy/clippy_lints/Cargo.toml @@ -9,7 +9,7 @@ keywords = ["clippy", "lint", "plugin"] edition = "2021" [dependencies] -cargo_metadata = "0.14" +cargo_metadata = "0.15.3" clippy_utils = { path = "../clippy_utils" } declare_clippy_lint = { path = "../declare_clippy_lint" } if_chain = "1.0" diff --git a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs index 556fa579000..1d9096ea64d 100644 --- a/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs +++ b/src/tools/clippy/clippy_lints/src/bool_assert_comparison.rs @@ -1,5 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::macros::{find_assert_eq_args, root_macro_call_first_node}; +use clippy_utils::sugg::Sugg; use clippy_utils::ty::{implements_trait, is_copy}; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; @@ -34,14 +35,16 @@ declare_clippy_lint! { declare_lint_pass!(BoolAssertComparison => [BOOL_ASSERT_COMPARISON]); -fn is_bool_lit(e: &Expr<'_>) -> bool { - matches!( - e.kind, - ExprKind::Lit(Lit { - node: LitKind::Bool(_), - .. - }) - ) && !e.span.from_expansion() +fn extract_bool_lit(e: &Expr<'_>) -> Option<bool> { + if let ExprKind::Lit(Lit { + node: LitKind::Bool(b), .. + }) = e.kind + && !e.span.from_expansion() + { + Some(b) + } else { + None + } } fn is_impl_not_trait_with_bool_out<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> bool { @@ -69,24 +72,23 @@ impl<'tcx> LateLintPass<'tcx> for BoolAssertComparison { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { let Some(macro_call) = root_macro_call_first_node(cx, expr) else { return }; let macro_name = cx.tcx.item_name(macro_call.def_id); - if !matches!( - macro_name.as_str(), - "assert_eq" | "debug_assert_eq" | "assert_ne" | "debug_assert_ne" - ) { - return; - } + let eq_macro = match macro_name.as_str() { + "assert_eq" | "debug_assert_eq" => true, + "assert_ne" | "debug_assert_ne" => false, + _ => return, + }; let Some ((a, b, _)) = find_assert_eq_args(cx, expr, macro_call.expn) else { return }; let a_span = a.span.source_callsite(); let b_span = b.span.source_callsite(); - let (lit_span, non_lit_expr) = match (is_bool_lit(a), is_bool_lit(b)) { - // assert_eq!(true, b) - // ^^^^^^ - (true, false) => (a_span.until(b_span), b), - // assert_eq!(a, true) - // ^^^^^^ - (false, true) => (b_span.with_lo(a_span.hi()), a), + let (lit_span, bool_value, non_lit_expr) = match (extract_bool_lit(a), extract_bool_lit(b)) { + // assert_eq!(true/false, b) + // ^^^^^^^^^^^^ + (Some(bool_value), None) => (a_span.until(b_span), bool_value, b), + // assert_eq!(a, true/false) + // ^^^^^^^^^^^^ + (None, Some(bool_value)) => (b_span.with_lo(a_span.hi()), bool_value, a), // If there are two boolean arguments, we definitely don't understand // what's going on, so better leave things as is... // @@ -121,9 +123,16 @@ impl<'tcx> LateLintPass<'tcx> for BoolAssertComparison { // ^^^^^^^^^ let name_span = cx.sess().source_map().span_until_char(macro_call.span, '!'); + let mut suggestions = vec![(name_span, non_eq_mac.to_string()), (lit_span, String::new())]; + + if bool_value ^ eq_macro { + let Some(sugg) = Sugg::hir_opt(cx, non_lit_expr) else { return }; + suggestions.push((non_lit_expr.span, (!sugg).to_string())); + } + diag.multipart_suggestion( format!("replace it with `{non_eq_mac}!(..)`"), - vec![(name_span, non_eq_mac.to_string()), (lit_span, String::new())], + suggestions, Applicability::MachineApplicable, ); }, diff --git a/src/tools/clippy/clippy_lints/src/declared_lints.rs b/src/tools/clippy/clippy_lints/src/declared_lints.rs index 36a366fc974..457a25826e7 100644 --- a/src/tools/clippy/clippy_lints/src/declared_lints.rs +++ b/src/tools/clippy/clippy_lints/src/declared_lints.rs @@ -156,6 +156,7 @@ pub(crate) static LINTS: &[&crate::LintInfo] = &[ crate::exhaustive_items::EXHAUSTIVE_STRUCTS_INFO, crate::exit::EXIT_INFO, crate::explicit_write::EXPLICIT_WRITE_INFO, + crate::extra_unused_type_parameters::EXTRA_UNUSED_TYPE_PARAMETERS_INFO, crate::fallible_impl_from::FALLIBLE_IMPL_FROM_INFO, crate::float_literal::EXCESSIVE_PRECISION_INFO, crate::float_literal::LOSSY_FLOAT_LITERAL_INFO, diff --git a/src/tools/clippy/clippy_lints/src/doc.rs b/src/tools/clippy/clippy_lints/src/doc.rs index 127201b72e2..0b31e20fc87 100644 --- a/src/tools/clippy/clippy_lints/src/doc.rs +++ b/src/tools/clippy/clippy_lints/src/doc.rs @@ -11,7 +11,7 @@ use rustc_ast::token::CommentKind; use rustc_data_structures::fx::FxHashSet; use rustc_data_structures::sync::Lrc; use rustc_errors::emitter::EmitterWriter; -use rustc_errors::{Applicability, Handler, SuggestionStyle}; +use rustc_errors::{Applicability, Handler, SuggestionStyle, TerminalUrl}; use rustc_hir as hir; use rustc_hir::intravisit::{self, Visitor}; use rustc_hir::{AnonConst, Expr}; @@ -717,6 +717,7 @@ fn check_code(cx: &LateContext<'_>, text: &str, edition: Edition, span: Span) { None, false, false, + TerminalUrl::No, ); let handler = Handler::with_emitter(false, None, Box::new(emitter)); let sess = ParseSess::with_span_handler(handler, sm); diff --git a/src/tools/clippy/clippy_lints/src/excessive_bools.rs b/src/tools/clippy/clippy_lints/src/excessive_bools.rs index 9d089fcad70..aef2db38583 100644 --- a/src/tools/clippy/clippy_lints/src/excessive_bools.rs +++ b/src/tools/clippy/clippy_lints/src/excessive_bools.rs @@ -4,8 +4,8 @@ use rustc_hir::intravisit::FnKind; use rustc_hir::{Body, FnDecl, Item, ItemKind, TraitFn, TraitItem, TraitItemKind, Ty}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_tool_lint, impl_lint_pass}; -use rustc_span::Span; use rustc_span::def_id::LocalDefId; +use rustc_span::Span; use rustc_target::spec::abi::Abi; declare_clippy_lint! { diff --git a/src/tools/clippy/clippy_lints/src/extra_unused_type_parameters.rs b/src/tools/clippy/clippy_lints/src/extra_unused_type_parameters.rs new file mode 100644 index 00000000000..2fdd8a71466 --- /dev/null +++ b/src/tools/clippy/clippy_lints/src/extra_unused_type_parameters.rs @@ -0,0 +1,178 @@ +use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::trait_ref_of_method; +use rustc_data_structures::fx::FxHashMap; +use rustc_errors::MultiSpan; +use rustc_hir::intravisit::{walk_impl_item, walk_item, walk_param_bound, walk_ty, Visitor}; +use rustc_hir::{ + GenericParamKind, Generics, ImplItem, ImplItemKind, Item, ItemKind, PredicateOrigin, Ty, TyKind, WherePredicate, +}; +use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::hir::nested_filter; +use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::{def_id::DefId, Span}; + +declare_clippy_lint! { + /// ### What it does + /// Checks for type parameters in generics that are never used anywhere else. + /// + /// ### Why is this bad? + /// Functions cannot infer the value of unused type parameters; therefore, calling them + /// requires using a turbofish, which serves no purpose but to satisfy the compiler. + /// + /// ### Example + /// ```rust + /// // unused type parameters + /// fn unused_ty<T>(x: u8) { + /// // .. + /// } + /// ``` + /// Use instead: + /// ```rust + /// fn no_unused_ty(x: u8) { + /// // .. + /// } + /// ``` + #[clippy::version = "1.69.0"] + pub EXTRA_UNUSED_TYPE_PARAMETERS, + complexity, + "unused type parameters in function definitions" +} +declare_lint_pass!(ExtraUnusedTypeParameters => [EXTRA_UNUSED_TYPE_PARAMETERS]); + +/// A visitor struct that walks a given function and gathers generic type parameters, plus any +/// trait bounds those parameters have. +struct TypeWalker<'cx, 'tcx> { + cx: &'cx LateContext<'tcx>, + /// Collection of all the type parameters and their spans. + ty_params: FxHashMap<DefId, Span>, + /// Collection of any (inline) trait bounds corresponding to each type parameter. + bounds: FxHashMap<DefId, Span>, + /// The entire `Generics` object of the function, useful for querying purposes. + generics: &'tcx Generics<'tcx>, + /// The value of this will remain `true` if *every* parameter: + /// 1. Is a type parameter, and + /// 2. Goes unused in the function. + /// Otherwise, if any type parameters end up being used, or if any lifetime or const-generic + /// parameters are present, this will be set to `false`. + all_params_unused: bool, +} + +impl<'cx, 'tcx> TypeWalker<'cx, 'tcx> { + fn new(cx: &'cx LateContext<'tcx>, generics: &'tcx Generics<'tcx>) -> Self { + let mut all_params_unused = true; + let ty_params = generics + .params + .iter() + .filter_map(|param| { + if let GenericParamKind::Type { .. } = param.kind { + Some((param.def_id.into(), param.span)) + } else { + if !param.is_elided_lifetime() { + all_params_unused = false; + } + None + } + }) + .collect(); + Self { + cx, + ty_params, + bounds: FxHashMap::default(), + generics, + all_params_unused, + } + } + + fn emit_lint(&self) { + let (msg, help) = match self.ty_params.len() { + 0 => return, + 1 => ( + "type parameter goes unused in function definition", + "consider removing the parameter", + ), + _ => ( + "type parameters go unused in function definition", + "consider removing the parameters", + ), + }; + + let source_map = self.cx.tcx.sess.source_map(); + let span = if self.all_params_unused { + self.generics.span.into() // Remove the entire list of generics + } else { + MultiSpan::from_spans( + self.ty_params + .iter() + .map(|(def_id, &span)| { + // Extend the span past any trait bounds, and include the comma at the end. + let span_to_extend = self.bounds.get(def_id).copied().map_or(span, Span::shrink_to_hi); + let comma_range = source_map.span_extend_to_next_char(span_to_extend, '>', false); + let comma_span = source_map.span_through_char(comma_range, ','); + span.with_hi(comma_span.hi()) + }) + .collect(), + ) + }; + + span_lint_and_help(self.cx, EXTRA_UNUSED_TYPE_PARAMETERS, span, msg, None, help); + } +} + +impl<'cx, 'tcx> Visitor<'tcx> for TypeWalker<'cx, 'tcx> { + type NestedFilter = nested_filter::OnlyBodies; + + fn visit_ty(&mut self, t: &'tcx Ty<'tcx>) { + if let Some((def_id, _)) = t.peel_refs().as_generic_param() { + if self.ty_params.remove(&def_id).is_some() { + self.all_params_unused = false; + } + } else if let TyKind::OpaqueDef(id, _, _) = t.kind { + // Explicitly walk OpaqueDef. Normally `walk_ty` would do the job, but it calls + // `visit_nested_item`, which checks that `Self::NestedFilter::INTER` is set. We're + // using `OnlyBodies`, so the check ends up failing and the type isn't fully walked. + let item = self.nested_visit_map().item(id); + walk_item(self, item); + } else { + walk_ty(self, t); + } + } + + fn visit_where_predicate(&mut self, predicate: &'tcx WherePredicate<'tcx>) { + if let WherePredicate::BoundPredicate(predicate) = predicate { + // Collect spans for bounds that appear in the list of generics (not in a where-clause) + // for use in forming the help message + if let Some((def_id, _)) = predicate.bounded_ty.peel_refs().as_generic_param() + && let PredicateOrigin::GenericParam = predicate.origin + { + self.bounds.insert(def_id, predicate.span); + } + // Only walk the right-hand side of where-bounds + for bound in predicate.bounds { + walk_param_bound(self, bound); + } + } + } + + fn nested_visit_map(&mut self) -> Self::Map { + self.cx.tcx.hir() + } +} + +impl<'tcx> LateLintPass<'tcx> for ExtraUnusedTypeParameters { + fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'tcx>) { + if let ItemKind::Fn(_, generics, _) = item.kind { + let mut walker = TypeWalker::new(cx, generics); + walk_item(&mut walker, item); + walker.emit_lint(); + } + } + + fn check_impl_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx ImplItem<'tcx>) { + // Only lint on inherent methods, not trait methods. + if let ImplItemKind::Fn(..) = item.kind && trait_ref_of_method(cx, item.owner_id.def_id).is_none() { + let mut walker = TypeWalker::new(cx, item.generics); + walk_impl_item(&mut walker, item); + walker.emit_lint(); + } + } +} diff --git a/src/tools/clippy/clippy_lints/src/format_args.rs b/src/tools/clippy/clippy_lints/src/format_args.rs index d376ad3bfe3..ea26b96ee07 100644 --- a/src/tools/clippy/clippy_lints/src/format_args.rs +++ b/src/tools/clippy/clippy_lints/src/format_args.rs @@ -125,7 +125,7 @@ declare_clippy_lint! { /// nothing will be suggested, e.g. `println!("{0}={1}", var, 1+2)`. #[clippy::version = "1.66.0"] pub UNINLINED_FORMAT_ARGS, - style, + pedantic, "using non-inlined variables in `format!` calls" } diff --git a/src/tools/clippy/clippy_lints/src/functions/misnamed_getters.rs b/src/tools/clippy/clippy_lints/src/functions/misnamed_getters.rs index d6b50537c2e..8b53ee68ebd 100644 --- a/src/tools/clippy/clippy_lints/src/functions/misnamed_getters.rs +++ b/src/tools/clippy/clippy_lints/src/functions/misnamed_getters.rs @@ -10,13 +10,7 @@ use std::iter; use super::MISNAMED_GETTERS; -pub fn check_fn( - cx: &LateContext<'_>, - kind: FnKind<'_>, - decl: &FnDecl<'_>, - body: &Body<'_>, - span: Span, -) { +pub fn check_fn(cx: &LateContext<'_>, kind: FnKind<'_>, decl: &FnDecl<'_>, body: &Body<'_>, span: Span) { let FnKind::Method(ref ident, sig) = kind else { return; }; diff --git a/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs b/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs index a13909a2cdb..f2aa7b597a7 100644 --- a/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs +++ b/src/tools/clippy/clippy_lints/src/functions/not_unsafe_ptr_arg_deref.rs @@ -25,7 +25,7 @@ pub(super) fn check_fn<'tcx>( intravisit::FnKind::Closure => return, }; - check_raw_ptr(cx, unsafety, decl, body, def_id) + check_raw_ptr(cx, unsafety, decl, body, def_id); } pub(super) fn check_trait_item<'tcx>(cx: &LateContext<'tcx>, item: &'tcx hir::TraitItem<'_>) { diff --git a/src/tools/clippy/clippy_lints/src/indexing_slicing.rs b/src/tools/clippy/clippy_lints/src/indexing_slicing.rs index eebfb753a0c..c384172fbde 100644 --- a/src/tools/clippy/clippy_lints/src/indexing_slicing.rs +++ b/src/tools/clippy/clippy_lints/src/indexing_slicing.rs @@ -109,7 +109,7 @@ impl<'tcx> LateLintPass<'tcx> for IndexingSlicing { if let Some(range) = higher::Range::hir(index) { // Ranged indexes, i.e., &x[n..m], &x[n..], &x[..n] and &x[..] if let ty::Array(_, s) = ty.kind() { - let size: u128 = if let Some(size) = s.try_eval_usize(cx.tcx, cx.param_env) { + let size: u128 = if let Some(size) = s.try_eval_target_usize(cx.tcx, cx.param_env) { size.into() } else { return; diff --git a/src/tools/clippy/clippy_lints/src/iter_not_returning_iterator.rs b/src/tools/clippy/clippy_lints/src/iter_not_returning_iterator.rs index 7557a9ce13f..c924d7361ce 100644 --- a/src/tools/clippy/clippy_lints/src/iter_not_returning_iterator.rs +++ b/src/tools/clippy/clippy_lints/src/iter_not_returning_iterator.rs @@ -66,7 +66,9 @@ impl<'tcx> LateLintPass<'tcx> for IterNotReturningIterator { fn check_sig(cx: &LateContext<'_>, name: &str, sig: &FnSig<'_>, fn_id: LocalDefId) { if sig.decl.implicit_self.has_implicit_self() { - let ret_ty = cx.tcx.erase_late_bound_regions(cx.tcx.fn_sig(fn_id).subst_identity().output()); + let ret_ty = cx + .tcx + .erase_late_bound_regions(cx.tcx.fn_sig(fn_id).subst_identity().output()); let ret_ty = cx .tcx .try_normalize_erasing_regions(cx.param_env, ret_ty) diff --git a/src/tools/clippy/clippy_lints/src/len_zero.rs b/src/tools/clippy/clippy_lints/src/len_zero.rs index 80ed2862a41..e13bc47973b 100644 --- a/src/tools/clippy/clippy_lints/src/len_zero.rs +++ b/src/tools/clippy/clippy_lints/src/len_zero.rs @@ -135,6 +135,7 @@ impl<'tcx> LateLintPass<'tcx> for LenZero { if item.ident.name == sym::len; if let ImplItemKind::Fn(sig, _) = &item.kind; if sig.decl.implicit_self.has_implicit_self(); + if sig.decl.inputs.len() == 1; if cx.effective_visibilities.is_exported(item.owner_id.def_id); if matches!(sig.decl.output, FnRetTy::Return(_)); if let Some(imp) = get_parent_as_impl(cx.tcx, item.hir_id()); @@ -196,7 +197,15 @@ fn check_trait_items(cx: &LateContext<'_>, visited_trait: &Item<'_>, trait_items fn is_named_self(cx: &LateContext<'_>, item: &TraitItemRef, name: Symbol) -> bool { item.ident.name == name && if let AssocItemKind::Fn { has_self } = item.kind { - has_self && { cx.tcx.fn_sig(item.id.owner_id).skip_binder().inputs().skip_binder().len() == 1 } + has_self && { + cx.tcx + .fn_sig(item.id.owner_id) + .skip_binder() + .inputs() + .skip_binder() + .len() + == 1 + } } else { false } @@ -342,7 +351,11 @@ fn check_for_is_empty<'tcx>( ), Some(is_empty) if !(is_empty.fn_has_self_parameter - && check_is_empty_sig(cx.tcx.fn_sig(is_empty.def_id).subst_identity().skip_binder(), self_kind, output)) => + && check_is_empty_sig( + cx.tcx.fn_sig(is_empty.def_id).subst_identity().skip_binder(), + self_kind, + output, + )) => { ( format!( diff --git a/src/tools/clippy/clippy_lints/src/lib.rs b/src/tools/clippy/clippy_lints/src/lib.rs index d0683039776..565c5b7af00 100644 --- a/src/tools/clippy/clippy_lints/src/lib.rs +++ b/src/tools/clippy/clippy_lints/src/lib.rs @@ -121,6 +121,7 @@ mod excessive_bools; mod exhaustive_items; mod exit; mod explicit_write; +mod extra_unused_type_parameters; mod fallible_impl_from; mod float_literal; mod floating_point_arithmetic; @@ -909,6 +910,7 @@ pub fn register_plugins(store: &mut rustc_lint::LintStore, sess: &Session, conf: store.register_late_pass(|_| Box::new(permissions_set_readonly_false::PermissionsSetReadonlyFalse)); store.register_late_pass(|_| Box::new(size_of_ref::SizeOfRef)); store.register_late_pass(|_| Box::new(multiple_unsafe_ops_per_block::MultipleUnsafeOpsPerBlock)); + store.register_late_pass(|_| Box::new(extra_unused_type_parameters::ExtraUnusedTypeParameters)); // add lints here, do not remove this comment, it's used in `new_lint` } diff --git a/src/tools/clippy/clippy_lints/src/lifetimes.rs b/src/tools/clippy/clippy_lints/src/lifetimes.rs index 747a94ba5a6..43a1a65a43a 100644 --- a/src/tools/clippy/clippy_lints/src/lifetimes.rs +++ b/src/tools/clippy/clippy_lints/src/lifetimes.rs @@ -1,20 +1,21 @@ use clippy_utils::diagnostics::{span_lint, span_lint_and_then}; use clippy_utils::trait_ref_of_method; use rustc_data_structures::fx::{FxHashMap, FxHashSet}; +use rustc_errors::Applicability; use rustc_hir::intravisit::nested_filter::{self as hir_nested_filter, NestedFilter}; use rustc_hir::intravisit::{ - walk_fn_decl, walk_generic_arg, walk_generic_param, walk_generics, walk_impl_item_ref, walk_item, walk_param_bound, + walk_fn_decl, walk_generic_param, walk_generics, walk_impl_item_ref, walk_item, walk_param_bound, walk_poly_trait_ref, walk_trait_ref, walk_ty, Visitor, }; -use rustc_hir::lang_items; use rustc_hir::FnRetTy::Return; use rustc_hir::{ - BareFnTy, BodyId, FnDecl, GenericArg, GenericBound, GenericParam, GenericParamKind, Generics, Impl, ImplItem, - ImplItemKind, Item, ItemKind, Lifetime, LifetimeName, LifetimeParamKind, PolyTraitRef, PredicateOrigin, TraitFn, - TraitItem, TraitItemKind, Ty, TyKind, WherePredicate, + lang_items, BareFnTy, BodyId, FnDecl, FnSig, GenericArg, GenericBound, GenericParam, GenericParamKind, Generics, + Impl, ImplItem, ImplItemKind, Item, ItemKind, Lifetime, LifetimeName, LifetimeParamKind, Node, PolyTraitRef, + PredicateOrigin, TraitFn, TraitItem, TraitItemKind, Ty, TyKind, WherePredicate, }; -use rustc_lint::{LateContext, LateLintPass}; +use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_middle::hir::nested_filter as middle_nested_filter; +use rustc_middle::lint::in_external_macro; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::def_id::LocalDefId; use rustc_span::source_map::Span; @@ -33,8 +34,6 @@ declare_clippy_lint! { /// ### Known problems /// - We bail out if the function has a `where` clause where lifetimes /// are mentioned due to potential false positives. - /// - Lifetime bounds such as `impl Foo + 'a` and `T: 'a` must be elided with the - /// placeholder notation `'_` because the fully elided notation leaves the type bound to `'static`. /// /// ### Example /// ```rust @@ -92,7 +91,7 @@ declare_lint_pass!(Lifetimes => [NEEDLESS_LIFETIMES, EXTRA_UNUSED_LIFETIMES]); impl<'tcx> LateLintPass<'tcx> for Lifetimes { fn check_item(&mut self, cx: &LateContext<'tcx>, item: &'tcx Item<'_>) { if let ItemKind::Fn(ref sig, generics, id) = item.kind { - check_fn_inner(cx, sig.decl, Some(id), None, generics, item.span, true); + check_fn_inner(cx, sig, Some(id), None, generics, item.span, true); } else if let ItemKind::Impl(impl_) = item.kind { if !item.span.from_expansion() { report_extra_impl_lifetimes(cx, impl_); @@ -105,7 +104,7 @@ impl<'tcx> LateLintPass<'tcx> for Lifetimes { let report_extra_lifetimes = trait_ref_of_method(cx, item.owner_id.def_id).is_none(); check_fn_inner( cx, - sig.decl, + sig, Some(id), None, item.generics, @@ -121,29 +120,21 @@ impl<'tcx> LateLintPass<'tcx> for Lifetimes { TraitFn::Required(sig) => (None, Some(sig)), TraitFn::Provided(id) => (Some(id), None), }; - check_fn_inner(cx, sig.decl, body, trait_sig, item.generics, item.span, true); + check_fn_inner(cx, sig, body, trait_sig, item.generics, item.span, true); } } } -/// The lifetime of a &-reference. -#[derive(PartialEq, Eq, Hash, Debug, Clone)] -enum RefLt { - Unnamed, - Static, - Named(LocalDefId), -} - fn check_fn_inner<'tcx>( cx: &LateContext<'tcx>, - decl: &'tcx FnDecl<'_>, + sig: &'tcx FnSig<'_>, body: Option<BodyId>, trait_sig: Option<&[Ident]>, generics: &'tcx Generics<'_>, span: Span, report_extra_lifetimes: bool, ) { - if span.from_expansion() || has_where_lifetimes(cx, generics) { + if in_external_macro(cx.sess(), span) || has_where_lifetimes(cx, generics) { return; } @@ -162,7 +153,7 @@ fn check_fn_inner<'tcx>( for bound in pred.bounds { let mut visitor = RefVisitor::new(cx); walk_param_bound(&mut visitor, bound); - if visitor.lts.iter().any(|lt| matches!(lt, RefLt::Named(_))) { + if visitor.lts.iter().any(|lt| matches!(lt.res, LifetimeName::Param(_))) { return; } if let GenericBound::Trait(ref trait_ref, _) = *bound { @@ -189,12 +180,12 @@ fn check_fn_inner<'tcx>( } } - if let Some(elidable_lts) = could_use_elision(cx, decl, body, trait_sig, generics.params) { + if let Some((elidable_lts, usages)) = could_use_elision(cx, sig.decl, body, trait_sig, generics.params) { let lts = elidable_lts .iter() // In principle, the result of the call to `Node::ident` could be `unwrap`ped, as `DefId` should refer to a // `Node::GenericParam`. - .filter_map(|&(def_id, _)| cx.tcx.hir().get_by_def_id(def_id).ident()) + .filter_map(|&def_id| cx.tcx.hir().get_by_def_id(def_id).ident()) .map(|ident| ident.to_string()) .collect::<Vec<_>>() .join(", "); @@ -202,21 +193,99 @@ fn check_fn_inner<'tcx>( span_lint_and_then( cx, NEEDLESS_LIFETIMES, - span.with_hi(decl.output.span().hi()), + span.with_hi(sig.decl.output.span().hi()), &format!("the following explicit lifetimes could be elided: {lts}"), |diag| { - if let Some(span) = elidable_lts.iter().find_map(|&(_, span)| span) { - diag.span_help(span, "replace with `'_` in generic arguments such as here"); + if sig.header.is_async() { + // async functions have usages whose spans point at the lifetime declaration which messes up + // suggestions + return; + }; + + if let Some(suggestions) = elision_suggestions(cx, generics, &elidable_lts, &usages) { + diag.multipart_suggestion("elide the lifetimes", suggestions, Applicability::MachineApplicable); } }, ); } if report_extra_lifetimes { - self::report_extra_lifetimes(cx, decl, generics); + self::report_extra_lifetimes(cx, sig.decl, generics); } } +fn elision_suggestions( + cx: &LateContext<'_>, + generics: &Generics<'_>, + elidable_lts: &[LocalDefId], + usages: &[Lifetime], +) -> Option<Vec<(Span, String)>> { + let explicit_params = generics + .params + .iter() + .filter(|param| !param.is_elided_lifetime() && !param.is_impl_trait()) + .collect::<Vec<_>>(); + + let mut suggestions = if elidable_lts.len() == explicit_params.len() { + // if all the params are elided remove the whole generic block + // + // fn x<'a>() {} + // ^^^^ + vec![(generics.span, String::new())] + } else { + elidable_lts + .iter() + .map(|&id| { + let pos = explicit_params.iter().position(|param| param.def_id == id)?; + let param = explicit_params.get(pos)?; + + let span = if let Some(next) = explicit_params.get(pos + 1) { + // fn x<'prev, 'a, 'next>() {} + // ^^^^ + param.span.until(next.span) + } else { + // `pos` should be at least 1 here, because the param in position 0 would either have a `next` + // param or would have taken the `elidable_lts.len() == explicit_params.len()` branch. + let prev = explicit_params.get(pos - 1)?; + + // fn x<'prev, 'a>() {} + // ^^^^ + param.span.with_lo(prev.span.hi()) + }; + + Some((span, String::new())) + }) + .collect::<Option<Vec<_>>>()? + }; + + suggestions.extend( + usages + .iter() + .filter(|usage| named_lifetime(usage).map_or(false, |id| elidable_lts.contains(&id))) + .map(|usage| { + match cx.tcx.hir().get_parent(usage.hir_id) { + Node::Ty(Ty { + kind: TyKind::Ref(..), .. + }) => { + // expand `&'a T` to `&'a T` + // ^^ ^^^ + let span = cx + .sess() + .source_map() + .span_extend_while(usage.ident.span, |ch| ch.is_ascii_whitespace()) + .unwrap_or(usage.ident.span); + + (span, String::new()) + }, + // `T<'a>` and `impl Foo + 'a` should be replaced by `'_` + _ => (usage.ident.span, String::from("'_")), + } + }), + ); + + Some(suggestions) +} + // elision doesn't work for explicit self types, see rust-lang/rust#69064 fn explicit_self_type<'tcx>(cx: &LateContext<'tcx>, func: &FnDecl<'tcx>, ident: Option<Ident>) -> bool { if_chain! { @@ -236,13 +305,20 @@ fn explicit_self_type<'tcx>(cx: &LateContext<'tcx>, func: &FnDecl<'tcx>, ident: } } +fn named_lifetime(lt: &Lifetime) -> Option<LocalDefId> { + match lt.res { + LifetimeName::Param(id) if !lt.is_anonymous() => Some(id), + _ => None, + } +} + fn could_use_elision<'tcx>( cx: &LateContext<'tcx>, func: &'tcx FnDecl<'_>, body: Option<BodyId>, trait_sig: Option<&[Ident]>, named_generics: &'tcx [GenericParam<'_>], -) -> Option<Vec<(LocalDefId, Option<Span>)>> { +) -> Option<(Vec<LocalDefId>, Vec<Lifetime>)> { // There are two scenarios where elision works: // * no output references, all input references have different LT // * output references, exactly one input reference with same LT @@ -300,32 +376,24 @@ fn could_use_elision<'tcx>( // check for lifetimes from higher scopes for lt in input_lts.iter().chain(output_lts.iter()) { - if !allowed_lts.contains(lt) { + if let Some(id) = named_lifetime(lt) + && !allowed_lts.contains(&id) + { return None; } } // check for higher-ranked trait bounds if !input_visitor.nested_elision_site_lts.is_empty() || !output_visitor.nested_elision_site_lts.is_empty() { - let allowed_lts: FxHashSet<_> = allowed_lts - .iter() - .filter_map(|lt| match lt { - RefLt::Named(def_id) => Some(cx.tcx.item_name(def_id.to_def_id())), - _ => None, - }) - .collect(); + let allowed_lts: FxHashSet<_> = allowed_lts.iter().map(|id| cx.tcx.item_name(id.to_def_id())).collect(); for lt in input_visitor.nested_elision_site_lts { - if let RefLt::Named(def_id) = lt { - if allowed_lts.contains(&cx.tcx.item_name(def_id.to_def_id())) { - return None; - } + if allowed_lts.contains(<.ident.name) { + return None; } } for lt in output_visitor.nested_elision_site_lts { - if let RefLt::Named(def_id) = lt { - if allowed_lts.contains(&cx.tcx.item_name(def_id.to_def_id())) { - return None; - } + if allowed_lts.contains(<.ident.name) { + return None; } } } @@ -337,15 +405,10 @@ fn could_use_elision<'tcx>( let elidable_lts = named_lifetime_occurrences(&input_lts) .into_iter() .filter_map(|(def_id, occurrences)| { - if occurrences == 1 && (input_lts.len() == 1 || !output_lts.contains(&RefLt::Named(def_id))) { - Some(( - def_id, - input_visitor - .lifetime_generic_arg_spans - .get(&def_id) - .or_else(|| output_visitor.lifetime_generic_arg_spans.get(&def_id)) - .copied(), - )) + if occurrences == 1 + && (input_lts.len() == 1 || !output_lts.iter().any(|lt| named_lifetime(lt) == Some(def_id))) + { + Some(def_id) } else { None } @@ -353,31 +416,34 @@ fn could_use_elision<'tcx>( .collect::<Vec<_>>(); if elidable_lts.is_empty() { - None - } else { - Some(elidable_lts) + return None; } + + let usages = itertools::chain(input_lts, output_lts).collect(); + + Some((elidable_lts, usages)) } -fn allowed_lts_from(named_generics: &[GenericParam<'_>]) -> FxHashSet<RefLt> { - let mut allowed_lts = FxHashSet::default(); - for par in named_generics.iter() { - if let GenericParamKind::Lifetime { .. } = par.kind { - allowed_lts.insert(RefLt::Named(par.def_id)); - } - } - allowed_lts.insert(RefLt::Unnamed); - allowed_lts.insert(RefLt::Static); - allowed_lts +fn allowed_lts_from(named_generics: &[GenericParam<'_>]) -> FxHashSet<LocalDefId> { + named_generics + .iter() + .filter_map(|par| { + if let GenericParamKind::Lifetime { .. } = par.kind { + Some(par.def_id) + } else { + None + } + }) + .collect() } /// Number of times each named lifetime occurs in the given slice. Returns a vector to preserve /// relative order. #[must_use] -fn named_lifetime_occurrences(lts: &[RefLt]) -> Vec<(LocalDefId, usize)> { +fn named_lifetime_occurrences(lts: &[Lifetime]) -> Vec<(LocalDefId, usize)> { let mut occurrences = Vec::new(); for lt in lts { - if let &RefLt::Named(curr_def_id) = lt { + if let Some(curr_def_id) = named_lifetime(lt) { if let Some(pair) = occurrences .iter_mut() .find(|(prev_def_id, _)| *prev_def_id == curr_def_id) @@ -391,12 +457,10 @@ fn named_lifetime_occurrences(lts: &[RefLt]) -> Vec<(LocalDefId, usize)> { occurrences } -/// A visitor usable for `rustc_front::visit::walk_ty()`. struct RefVisitor<'a, 'tcx> { cx: &'a LateContext<'tcx>, - lts: Vec<RefLt>, - lifetime_generic_arg_spans: FxHashMap<LocalDefId, Span>, - nested_elision_site_lts: Vec<RefLt>, + lts: Vec<Lifetime>, + nested_elision_site_lts: Vec<Lifetime>, unelided_trait_object_lifetime: bool, } @@ -405,32 +469,16 @@ impl<'a, 'tcx> RefVisitor<'a, 'tcx> { Self { cx, lts: Vec::new(), - lifetime_generic_arg_spans: FxHashMap::default(), nested_elision_site_lts: Vec::new(), unelided_trait_object_lifetime: false, } } - fn record(&mut self, lifetime: &Option<Lifetime>) { - if let Some(ref lt) = *lifetime { - if lt.is_static() { - self.lts.push(RefLt::Static); - } else if lt.is_anonymous() { - // Fresh lifetimes generated should be ignored. - self.lts.push(RefLt::Unnamed); - } else if let LifetimeName::Param(def_id) = lt.res { - self.lts.push(RefLt::Named(def_id)); - } - } else { - self.lts.push(RefLt::Unnamed); - } - } - - fn all_lts(&self) -> Vec<RefLt> { + fn all_lts(&self) -> Vec<Lifetime> { self.lts .iter() .chain(self.nested_elision_site_lts.iter()) - .cloned() + .copied() .collect::<Vec<_>>() } @@ -442,7 +490,7 @@ impl<'a, 'tcx> RefVisitor<'a, 'tcx> { impl<'a, 'tcx> Visitor<'tcx> for RefVisitor<'a, 'tcx> { // for lifetimes as parameters of generics fn visit_lifetime(&mut self, lifetime: &'tcx Lifetime) { - self.record(&Some(*lifetime)); + self.lts.push(*lifetime); } fn visit_poly_trait_ref(&mut self, poly_tref: &'tcx PolyTraitRef<'tcx>) { @@ -467,11 +515,7 @@ impl<'a, 'tcx> Visitor<'tcx> for RefVisitor<'a, 'tcx> { walk_item(self, item); self.lts.truncate(len); self.lts.extend(bounds.iter().filter_map(|bound| match bound { - GenericArg::Lifetime(l) => Some(if let LifetimeName::Param(def_id) = l.res { - RefLt::Named(def_id) - } else { - RefLt::Unnamed - }), + GenericArg::Lifetime(&l) => Some(l), _ => None, })); }, @@ -491,13 +535,6 @@ impl<'a, 'tcx> Visitor<'tcx> for RefVisitor<'a, 'tcx> { _ => walk_ty(self, ty), } } - - fn visit_generic_arg(&mut self, generic_arg: &'tcx GenericArg<'tcx>) { - if let GenericArg::Lifetime(l) = generic_arg && let LifetimeName::Param(def_id) = l.res { - self.lifetime_generic_arg_spans.entry(def_id).or_insert(l.ident.span); - } - walk_generic_arg(self, generic_arg); - } } /// Are any lifetimes mentioned in the `where` clause? If so, we don't try to @@ -521,8 +558,12 @@ fn has_where_lifetimes<'tcx>(cx: &LateContext<'tcx>, generics: &'tcx Generics<'_ walk_param_bound(&mut visitor, bound); } // and check that all lifetimes are allowed - if visitor.all_lts().iter().any(|it| !allowed_lts.contains(it)) { - return true; + for lt in visitor.all_lts() { + if let Some(id) = named_lifetime(<) + && !allowed_lts.contains(&id) + { + return true; + } } }, WherePredicate::EqPredicate(ref pred) => { diff --git a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs index b1f2941622a..151c7f1d5d2 100644 --- a/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/explicit_iter_loop.rs @@ -68,7 +68,7 @@ fn is_iterable_array<'tcx>(ty: Ty<'tcx>, cx: &LateContext<'tcx>) -> bool { // IntoIterator is currently only implemented for array sizes <= 32 in rustc match ty.kind() { ty::Array(_, n) => n - .try_eval_usize(cx.tcx, cx.param_env) + .try_eval_target_usize(cx.tcx, cx.param_env) .map_or(false, |val| (0..=32).contains(&val)), _ => false, } diff --git a/src/tools/clippy/clippy_lints/src/loops/mod.rs b/src/tools/clippy/clippy_lints/src/loops/mod.rs index 8e52cac4323..610a0233eee 100644 --- a/src/tools/clippy/clippy_lints/src/loops/mod.rs +++ b/src/tools/clippy/clippy_lints/src/loops/mod.rs @@ -61,7 +61,8 @@ declare_clippy_lint! { /// /// ### Why is this bad? /// Just iterating the collection itself makes the intent - /// more clear and is probably faster. + /// more clear and is probably faster because it eliminates + /// the bounds check that is done when indexing. /// /// ### Example /// ```rust diff --git a/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs b/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs index e6ed4ea7a5d..5c317c2a5bb 100644 --- a/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs +++ b/src/tools/clippy/clippy_lints/src/loops/needless_range_loop.rs @@ -149,7 +149,7 @@ pub(super) fn check<'tcx>( |diag| { multispan_sugg( diag, - "consider using an iterator", + "consider using an iterator and enumerate()", vec![ (pat.span, format!("({}, <item>)", ident.name)), ( @@ -211,7 +211,7 @@ fn is_end_eq_array_len<'tcx>( if let ExprKind::Lit(ref lit) = end.kind; if let ast::LitKind::Int(end_int, _) = lit.node; if let ty::Array(_, arr_len_const) = indexed_ty.kind(); - if let Some(arr_len) = arr_len_const.try_eval_usize(cx.tcx, cx.param_env); + if let Some(arr_len) = arr_len_const.try_eval_target_usize(cx.tcx, cx.param_env); then { return match limits { ast::RangeLimits::Closed => end_int + 1 >= arr_len.into(), diff --git a/src/tools/clippy/clippy_lints/src/manual_assert.rs b/src/tools/clippy/clippy_lints/src/manual_assert.rs index 4277455a3a2..ce5d657bcf0 100644 --- a/src/tools/clippy/clippy_lints/src/manual_assert.rs +++ b/src/tools/clippy/clippy_lints/src/manual_assert.rs @@ -1,7 +1,6 @@ use crate::rustc_lint::LintContext; use clippy_utils::diagnostics::span_lint_and_then; -use clippy_utils::macros::{root_macro_call, FormatArgsExpn}; -use clippy_utils::source::snippet_with_applicability; +use clippy_utils::macros::root_macro_call; use clippy_utils::{is_else_clause, peel_blocks_with_stmt, span_extract_comment, sugg}; use rustc_errors::Applicability; use rustc_hir::{Expr, ExprKind, UnOp}; @@ -38,57 +37,57 @@ declare_lint_pass!(ManualAssert => [MANUAL_ASSERT]); impl<'tcx> LateLintPass<'tcx> for ManualAssert { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &Expr<'tcx>) { - if_chain! { - if let ExprKind::If(cond, then, None) = expr.kind; - if !matches!(cond.kind, ExprKind::Let(_)); - if !expr.span.from_expansion(); - let then = peel_blocks_with_stmt(then); - if let Some(macro_call) = root_macro_call(then.span); - if cx.tcx.item_name(macro_call.def_id) == sym::panic; - if !cx.tcx.sess.source_map().is_multiline(cond.span); - if let Some(format_args) = FormatArgsExpn::find_nested(cx, then, macro_call.expn); + if let ExprKind::If(cond, then, None) = expr.kind + && !matches!(cond.kind, ExprKind::Let(_)) + && !expr.span.from_expansion() + && let then = peel_blocks_with_stmt(then) + && let Some(macro_call) = root_macro_call(then.span) + && cx.tcx.item_name(macro_call.def_id) == sym::panic + && !cx.tcx.sess.source_map().is_multiline(cond.span) + && let Ok(panic_snippet) = cx.sess().source_map().span_to_snippet(macro_call.span) + && let Some(panic_snippet) = panic_snippet.strip_suffix(')') + && let Some((_, format_args_snip)) = panic_snippet.split_once('(') // Don't change `else if foo { panic!(..) }` to `else { assert!(foo, ..) }` as it just // shuffles the condition around. // Should this have a config value? - if !is_else_clause(cx.tcx, expr); - then { - let mut applicability = Applicability::MachineApplicable; - let format_args_snip = snippet_with_applicability(cx, format_args.inputs_span(), "..", &mut applicability); - let cond = cond.peel_drop_temps(); - let mut comments = span_extract_comment(cx.sess().source_map(), expr.span); - if !comments.is_empty() { - comments += "\n"; - } - let (cond, not) = match cond.kind { - ExprKind::Unary(UnOp::Not, e) => (e, ""), - _ => (cond, "!"), - }; - let cond_sugg = sugg::Sugg::hir_with_applicability(cx, cond, "..", &mut applicability).maybe_par(); - let sugg = format!("assert!({not}{cond_sugg}, {format_args_snip});"); - // we show to the user the suggestion without the comments, but when applicating the fix, include the comments in the block - span_lint_and_then( - cx, - MANUAL_ASSERT, - expr.span, - "only a `panic!` in `if`-then statement", - |diag| { - // comments can be noisy, do not show them to the user - if !comments.is_empty() { - diag.tool_only_span_suggestion( - expr.span.shrink_to_lo(), - "add comments back", - comments, - applicability); - } - diag.span_suggestion( - expr.span, - "try instead", - sugg, - applicability); - } - - ); + && !is_else_clause(cx.tcx, expr) + { + let mut applicability = Applicability::MachineApplicable; + let cond = cond.peel_drop_temps(); + let mut comments = span_extract_comment(cx.sess().source_map(), expr.span); + if !comments.is_empty() { + comments += "\n"; } + let (cond, not) = match cond.kind { + ExprKind::Unary(UnOp::Not, e) => (e, ""), + _ => (cond, "!"), + }; + let cond_sugg = sugg::Sugg::hir_with_applicability(cx, cond, "..", &mut applicability).maybe_par(); + let sugg = format!("assert!({not}{cond_sugg}, {format_args_snip});"); + // we show to the user the suggestion without the comments, but when applicating the fix, include the comments in the block + span_lint_and_then( + cx, + MANUAL_ASSERT, + expr.span, + "only a `panic!` in `if`-then statement", + |diag| { + // comments can be noisy, do not show them to the user + if !comments.is_empty() { + diag.tool_only_span_suggestion( + expr.span.shrink_to_lo(), + "add comments back", + comments, + applicability + ); + } + diag.span_suggestion( + expr.span, + "try instead", + sugg, + applicability + ); + } + ); } } } diff --git a/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs b/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs index 59de8c0384b..3126b590180 100644 --- a/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs +++ b/src/tools/clippy/clippy_lints/src/matches/match_wild_enum.rs @@ -45,8 +45,13 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) { // Accumulate the variants which should be put in place of the wildcard because they're not // already covered. - let has_hidden = adt_def.variants().iter().any(|x| is_hidden(cx, x)); - let mut missing_variants: Vec<_> = adt_def.variants().iter().filter(|x| !is_hidden(cx, x)).collect(); + let is_external = adt_def.did().as_local().is_none(); + let has_external_hidden = is_external && adt_def.variants().iter().any(|x| is_hidden(cx, x)); + let mut missing_variants: Vec<_> = adt_def + .variants() + .iter() + .filter(|x| !(is_external && is_hidden(cx, x))) + .collect(); let mut path_prefix = CommonPrefixSearcher::None; for arm in arms { @@ -133,7 +138,7 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) { match missing_variants.as_slice() { [] => (), - [x] if !adt_def.is_variant_list_non_exhaustive() && !has_hidden => span_lint_and_sugg( + [x] if !adt_def.is_variant_list_non_exhaustive() && !has_external_hidden => span_lint_and_sugg( cx, MATCH_WILDCARD_FOR_SINGLE_VARIANTS, wildcard_span, @@ -144,7 +149,7 @@ pub(crate) fn check(cx: &LateContext<'_>, ex: &Expr<'_>, arms: &[Arm<'_>]) { ), variants => { let mut suggestions: Vec<_> = variants.iter().copied().map(format_suggestion).collect(); - let message = if adt_def.is_variant_list_non_exhaustive() || has_hidden { + let message = if adt_def.is_variant_list_non_exhaustive() || has_external_hidden { suggestions.push("_".into()); "wildcard matches known variants and will also match future added variants" } else { diff --git a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs index aed0ad5d9b5..a22285058d4 100644 --- a/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs +++ b/src/tools/clippy/clippy_lints/src/methods/expect_fun_call.rs @@ -33,7 +33,7 @@ pub(super) fn check<'tcx>( if (method_name.ident.name == sym::as_str || method_name.ident.name == sym::as_ref) && { let arg_type = cx.typeck_results().expr_ty(receiver); let base_type = arg_type.peel_refs(); - *base_type.kind() == ty::Str || is_type_lang_item(cx, base_type, hir::LangItem::String) + base_type.is_str() || is_type_lang_item(cx, base_type, hir::LangItem::String) } { receiver } else { @@ -54,7 +54,7 @@ pub(super) fn check<'tcx>( return false; } if let ty::Ref(_, ty, ..) = arg_ty.kind() { - if *ty.kind() == ty::Str && can_be_static_str(cx, arg) { + if ty.is_str() && can_be_static_str(cx, arg) { return false; } }; diff --git a/src/tools/clippy/clippy_lints/src/methods/mod.rs b/src/tools/clippy/clippy_lints/src/methods/mod.rs index fb94dfa5980..f1e8be7f2b8 100644 --- a/src/tools/clippy/clippy_lints/src/methods/mod.rs +++ b/src/tools/clippy/clippy_lints/src/methods/mod.rs @@ -1818,6 +1818,7 @@ declare_clippy_lint! { /// - `or_else` to `or` /// - `get_or_insert_with` to `get_or_insert` /// - `ok_or_else` to `ok_or` + /// - `then` to `then_some` (for msrv >= 1.62.0) /// /// ### Why is this bad? /// Using eager evaluation is shorter and simpler in some cases. diff --git a/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs b/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs index 1c031ad6acb..afdb8ce94ac 100644 --- a/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs +++ b/src/tools/clippy/clippy_lints/src/methods/search_is_some.rs @@ -8,7 +8,6 @@ use rustc_errors::Applicability; use rustc_hir as hir; use rustc_hir::PatKind; use rustc_lint::LateContext; -use rustc_middle::ty; use rustc_span::source_map::Span; use rustc_span::symbol::sym; @@ -108,7 +107,7 @@ pub(super) fn check<'tcx>( if is_type_lang_item(cx, self_ty, hir::LangItem::String) { true } else { - *self_ty.kind() == ty::Str + self_ty.is_str() } }; if_chain! { diff --git a/src/tools/clippy/clippy_lints/src/methods/single_char_pattern.rs b/src/tools/clippy/clippy_lints/src/methods/single_char_pattern.rs index 4221c52d5cd..4d704ec39eb 100644 --- a/src/tools/clippy/clippy_lints/src/methods/single_char_pattern.rs +++ b/src/tools/clippy/clippy_lints/src/methods/single_char_pattern.rs @@ -47,7 +47,7 @@ pub(super) fn check( for &(method, pos) in &PATTERN_METHODS { if_chain! { if let ty::Ref(_, ty, _) = cx.typeck_results().expr_ty_adjusted(receiver).kind(); - if *ty.kind() == ty::Str; + if ty.is_str(); if method_name.as_str() == method && args.len() > pos; let arg = &args[pos]; let mut applicability = Applicability::MachineApplicable; diff --git a/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs b/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs index f35d81cee8e..2c20c6d752d 100644 --- a/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs +++ b/src/tools/clippy/clippy_lints/src/methods/string_extend_chars.rs @@ -5,7 +5,6 @@ use clippy_utils::ty::is_type_lang_item; use rustc_errors::Applicability; use rustc_hir as hir; use rustc_lint::LateContext; -use rustc_middle::ty; use super::STRING_EXTEND_CHARS; @@ -17,7 +16,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr if let Some(arglists) = method_chain_args(arg, &["chars"]) { let target = &arglists[0].0; let self_ty = cx.typeck_results().expr_ty(target).peel_refs(); - let ref_str = if *self_ty.kind() == ty::Str { + let ref_str = if self_ty.is_str() { if matches!(target.kind, hir::ExprKind::Index(..)) { "&" } else { diff --git a/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs b/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs index fe88fa41fd9..e818f1892e5 100644 --- a/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs +++ b/src/tools/clippy/clippy_lints/src/methods/suspicious_to_owned.rs @@ -1,4 +1,4 @@ -use clippy_utils::diagnostics::span_lint_and_sugg; +use clippy_utils::diagnostics::span_lint_and_then; use clippy_utils::is_diag_trait_item; use clippy_utils::source::snippet_with_context; use if_chain::if_chain; @@ -17,19 +17,31 @@ pub fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr<'_>) - let input_type = cx.typeck_results().expr_ty(expr); if let ty::Adt(adt, _) = cx.typeck_results().expr_ty(expr).kind(); if cx.tcx.is_diagnostic_item(sym::Cow, adt.did()); + then { let mut app = Applicability::MaybeIncorrect; let recv_snip = snippet_with_context(cx, recv.span, expr.span.ctxt(), "..", &mut app).0; - span_lint_and_sugg( + span_lint_and_then( cx, SUSPICIOUS_TO_OWNED, expr.span, &with_forced_trimmed_paths!(format!( "this `to_owned` call clones the {input_type} itself and does not cause the {input_type} contents to become owned" )), - "consider using, depending on intent", - format!("{recv_snip}.clone()` or `{recv_snip}.into_owned()"), - app, + |diag| { + diag.span_suggestion( + expr.span, + "depending on intent, either make the Cow an Owned variant", + format!("{recv_snip}.into_owned()"), + app + ); + diag.span_suggestion( + expr.span, + "or clone the Cow itself", + format!("{recv_snip}.clone()"), + app + ); + } ); return true; } diff --git a/src/tools/clippy/clippy_lints/src/methods/utils.rs b/src/tools/clippy/clippy_lints/src/methods/utils.rs index ae6b165fdc3..d50346c166a 100644 --- a/src/tools/clippy/clippy_lints/src/methods/utils.rs +++ b/src/tools/clippy/clippy_lints/src/methods/utils.rs @@ -22,7 +22,7 @@ pub(super) fn derefs_to_slice<'tcx>( ty::Slice(_) => true, ty::Adt(def, _) if def.is_box() => may_slice(cx, ty.boxed_ty()), ty::Adt(..) => is_type_diagnostic_item(cx, ty, sym::Vec), - ty::Array(_, size) => size.try_eval_usize(cx.tcx, cx.param_env).is_some(), + ty::Array(_, size) => size.try_eval_target_usize(cx.tcx, cx.param_env).is_some(), ty::Ref(_, inner, _) => may_slice(cx, *inner), _ => false, } diff --git a/src/tools/clippy/clippy_lints/src/multiple_unsafe_ops_per_block.rs b/src/tools/clippy/clippy_lints/src/multiple_unsafe_ops_per_block.rs index 2814c92e67a..63c575fca30 100644 --- a/src/tools/clippy/clippy_lints/src/multiple_unsafe_ops_per_block.rs +++ b/src/tools/clippy/clippy_lints/src/multiple_unsafe_ops_per_block.rs @@ -10,6 +10,7 @@ use hir::{ use rustc_ast::Mutability; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass}; +use rustc_middle::lint::in_external_macro; use rustc_session::{declare_lint_pass, declare_tool_lint}; use rustc_span::Span; @@ -66,7 +67,7 @@ declare_lint_pass!(MultipleUnsafeOpsPerBlock => [MULTIPLE_UNSAFE_OPS_PER_BLOCK]) impl<'tcx> LateLintPass<'tcx> for MultipleUnsafeOpsPerBlock { fn check_block(&mut self, cx: &LateContext<'tcx>, block: &'tcx hir::Block<'_>) { - if !matches!(block.rules, BlockCheckMode::UnsafeBlock(_)) { + if !matches!(block.rules, BlockCheckMode::UnsafeBlock(_)) || in_external_macro(cx.tcx.sess, block.span) { return; } let mut unsafe_ops = vec![]; diff --git a/src/tools/clippy/clippy_lints/src/mut_key.rs b/src/tools/clippy/clippy_lints/src/mut_key.rs index 5f7aac21e6e..3cc765108d7 100644 --- a/src/tools/clippy/clippy_lints/src/mut_key.rs +++ b/src/tools/clippy/clippy_lints/src/mut_key.rs @@ -166,7 +166,7 @@ impl MutableKeyType { Ref(_, inner_ty, mutbl) => mutbl == hir::Mutability::Mut || self.is_interior_mutable_type(cx, inner_ty), Slice(inner_ty) => self.is_interior_mutable_type(cx, inner_ty), Array(inner_ty, size) => { - size.try_eval_usize(cx.tcx, cx.param_env).map_or(true, |u| u != 0) + size.try_eval_target_usize(cx.tcx, cx.param_env).map_or(true, |u| u != 0) && self.is_interior_mutable_type(cx, inner_ty) }, Tuple(fields) => fields.iter().any(|ty| self.is_interior_mutable_type(cx, ty)), diff --git a/src/tools/clippy/clippy_lints/src/option_if_let_else.rs b/src/tools/clippy/clippy_lints/src/option_if_let_else.rs index 472f52380bb..c5ea09590d3 100644 --- a/src/tools/clippy/clippy_lints/src/option_if_let_else.rs +++ b/src/tools/clippy/clippy_lints/src/option_if_let_else.rs @@ -25,11 +25,11 @@ declare_clippy_lint! { /// Using the dedicated functions of the `Option` type is clearer and /// more concise than an `if let` expression. /// - /// ### Known problems - /// This lint uses a deliberately conservative metric for checking - /// if the inside of either body contains breaks or continues which will - /// cause it to not suggest a fix if either block contains a loop with - /// continues or breaks contained within the loop. + /// ### Notes + /// This lint uses a deliberately conservative metric for checking if the + /// inside of either body contains loop control expressions `break` or + /// `continue` (which cannot be used within closures). If these are found, + /// this lint will not be raised. /// /// ### Example /// ```rust diff --git a/src/tools/clippy/clippy_lints/src/ptr.rs b/src/tools/clippy/clippy_lints/src/ptr.rs index 8afe286fbd5..d88409c356e 100644 --- a/src/tools/clippy/clippy_lints/src/ptr.rs +++ b/src/tools/clippy/clippy_lints/src/ptr.rs @@ -624,7 +624,10 @@ fn check_ptr_arg_usage<'tcx>(cx: &LateContext<'tcx>, body: &'tcx Body<'_>, args: return; }; - match *self.cx.tcx.fn_sig(id).subst_identity().skip_binder().inputs()[i].peel_refs().kind() { + match *self.cx.tcx.fn_sig(id).subst_identity().skip_binder().inputs()[i] + .peel_refs() + .kind() + { ty::Dynamic(preds, _, _) if !matches_preds(self.cx, args.deref_ty.ty(self.cx), preds) => { set_skip_flag(); }, diff --git a/src/tools/clippy/clippy_lints/src/regex.rs b/src/tools/clippy/clippy_lints/src/regex.rs index 1fda58fa54d..9e6c6c73d4f 100644 --- a/src/tools/clippy/clippy_lints/src/regex.rs +++ b/src/tools/clippy/clippy_lints/src/regex.rs @@ -1,5 +1,8 @@ +use std::fmt::Display; + use clippy_utils::consts::{constant, Constant}; use clippy_utils::diagnostics::{span_lint, span_lint_and_help}; +use clippy_utils::source::snippet_opt; use clippy_utils::{match_def_path, paths}; use if_chain::if_chain; use rustc_ast::ast::{LitKind, StrStyle}; @@ -77,13 +80,45 @@ impl<'tcx> LateLintPass<'tcx> for Regex { } } -#[must_use] -fn str_span(base: Span, c: regex_syntax::ast::Span, offset: u8) -> Span { - let offset = u32::from(offset); - let end = base.lo() + BytePos(u32::try_from(c.end.offset).expect("offset too large") + offset); - let start = base.lo() + BytePos(u32::try_from(c.start.offset).expect("offset too large") + offset); - assert!(start <= end); - Span::new(start, end, base.ctxt(), base.parent()) +fn lint_syntax_error(cx: &LateContext<'_>, error: ®ex_syntax::Error, unescaped: &str, base: Span, offset: u8) { + let parts: Option<(_, _, &dyn Display)> = match &error { + regex_syntax::Error::Parse(e) => Some((e.span(), e.auxiliary_span(), e.kind())), + regex_syntax::Error::Translate(e) => Some((e.span(), None, e.kind())), + _ => None, + }; + + let convert_span = |regex_span: ®ex_syntax::ast::Span| { + let offset = u32::from(offset); + let start = base.lo() + BytePos(u32::try_from(regex_span.start.offset).expect("offset too large") + offset); + let end = base.lo() + BytePos(u32::try_from(regex_span.end.offset).expect("offset too large") + offset); + + Span::new(start, end, base.ctxt(), base.parent()) + }; + + if let Some((primary, auxiliary, kind)) = parts + && let Some(literal_snippet) = snippet_opt(cx, base) + && let Some(inner) = literal_snippet.get(offset as usize..) + // Only convert to native rustc spans if the parsed regex matches the + // source snippet exactly, to ensure the span offsets are correct + && inner.get(..unescaped.len()) == Some(unescaped) + { + let spans = if let Some(auxiliary) = auxiliary { + vec![convert_span(primary), convert_span(auxiliary)] + } else { + vec![convert_span(primary)] + }; + + span_lint(cx, INVALID_REGEX, spans, &format!("regex syntax error: {kind}")); + } else { + span_lint_and_help( + cx, + INVALID_REGEX, + base, + &error.to_string(), + None, + "consider using a raw string literal: `r\"..\"`", + ); + } } fn const_str<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> Option<String> { @@ -155,25 +190,7 @@ fn check_regex<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, utf8: bool) { span_lint_and_help(cx, TRIVIAL_REGEX, expr.span, "trivial regex", None, repl); } }, - Err(regex_syntax::Error::Parse(e)) => { - span_lint( - cx, - INVALID_REGEX, - str_span(expr.span, *e.span(), offset), - &format!("regex syntax error: {}", e.kind()), - ); - }, - Err(regex_syntax::Error::Translate(e)) => { - span_lint( - cx, - INVALID_REGEX, - str_span(expr.span, *e.span(), offset), - &format!("regex syntax error: {}", e.kind()), - ); - }, - Err(e) => { - span_lint(cx, INVALID_REGEX, expr.span, &format!("regex syntax error: {e}")); - }, + Err(e) => lint_syntax_error(cx, &e, r, expr.span, offset), } } } else if let Some(r) = const_str(cx, expr) { @@ -183,25 +200,7 @@ fn check_regex<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, utf8: bool) { span_lint_and_help(cx, TRIVIAL_REGEX, expr.span, "trivial regex", None, repl); } }, - Err(regex_syntax::Error::Parse(e)) => { - span_lint( - cx, - INVALID_REGEX, - expr.span, - &format!("regex syntax error on position {}: {}", e.span().start.offset, e.kind()), - ); - }, - Err(regex_syntax::Error::Translate(e)) => { - span_lint( - cx, - INVALID_REGEX, - expr.span, - &format!("regex syntax error on position {}: {}", e.span().start.offset, e.kind()), - ); - }, - Err(e) => { - span_lint(cx, INVALID_REGEX, expr.span, &format!("regex syntax error: {e}")); - }, + Err(e) => span_lint(cx, INVALID_REGEX, expr.span, &e.to_string()), } } } diff --git a/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs b/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs index 8c39b4fc569..bccf421e8f3 100644 --- a/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs +++ b/src/tools/clippy/clippy_lints/src/return_self_not_must_use.rs @@ -78,8 +78,8 @@ fn check_method(cx: &LateContext<'_>, decl: &FnDecl<'_>, fn_def: LocalDefId, spa // We don't want to emit this lint if the `#[must_use]` attribute is already there. if !cx.tcx.hir().attrs(owner_id.into()).iter().any(|attr| attr.has_name(sym::must_use)); if cx.tcx.visibility(fn_def.to_def_id()).is_public(); - let ret_ty = return_ty(cx, owner_id.into()); - let self_arg = nth_arg(cx, owner_id.into(), 0); + let ret_ty = return_ty(cx, owner_id); + let self_arg = nth_arg(cx, owner_id, 0); // If `Self` has the same type as the returned type, then we want to warn. // // For this check, we don't want to remove the reference on the returned type because if diff --git a/src/tools/clippy/clippy_lints/src/semicolon_block.rs b/src/tools/clippy/clippy_lints/src/semicolon_block.rs index 8f1d1490e1f..34a3e5ddf4f 100644 --- a/src/tools/clippy/clippy_lints/src/semicolon_block.rs +++ b/src/tools/clippy/clippy_lints/src/semicolon_block.rs @@ -30,7 +30,7 @@ declare_clippy_lint! { /// # let x = 0; /// unsafe { f(x); } /// ``` - #[clippy::version = "1.66.0"] + #[clippy::version = "1.68.0"] pub SEMICOLON_INSIDE_BLOCK, restriction, "add a semicolon inside the block" @@ -59,7 +59,7 @@ declare_clippy_lint! { /// # let x = 0; /// unsafe { f(x) }; /// ``` - #[clippy::version = "1.66.0"] + #[clippy::version = "1.68.0"] pub SEMICOLON_OUTSIDE_BLOCK, restriction, "add a semicolon outside the block" diff --git a/src/tools/clippy/clippy_lints/src/strings.rs b/src/tools/clippy/clippy_lints/src/strings.rs index bc18cad6d38..b2f4b310915 100644 --- a/src/tools/clippy/clippy_lints/src/strings.rs +++ b/src/tools/clippy/clippy_lints/src/strings.rs @@ -190,7 +190,7 @@ impl<'tcx> LateLintPass<'tcx> for StringAdd { }, ExprKind::Index(target, _idx) => { let e_ty = cx.typeck_results().expr_ty(target).peel_refs(); - if matches!(e_ty.kind(), ty::Str) || is_type_lang_item(cx, e_ty, LangItem::String) { + if e_ty.is_str() || is_type_lang_item(cx, e_ty, LangItem::String) { span_lint( cx, STRING_SLICE, @@ -407,7 +407,7 @@ impl<'tcx> LateLintPass<'tcx> for StrToString { if path.ident.name == sym::to_string; let ty = cx.typeck_results().expr_ty(self_arg); if let ty::Ref(_, ty, ..) = ty.kind(); - if *ty.kind() == ty::Str; + if ty.is_str(); then { span_lint_and_help( cx, diff --git a/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs b/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs index de0c5d56e41..1382c1a40da 100644 --- a/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs +++ b/src/tools/clippy/clippy_lints/src/trailing_empty_array.rs @@ -62,7 +62,7 @@ fn is_struct_with_trailing_zero_sized_array(cx: &LateContext<'_>, item: &Item<'_ // Then check if that that array zero-sized let length = Const::from_anon_const(cx.tcx, length.def_id); - let length = length.try_eval_usize(cx.tcx, cx.param_env); + let length = length.try_eval_target_usize(cx.tcx, cx.param_env); if let Some(length) = length; then { length == 0 diff --git a/src/tools/clippy/clippy_lints/src/transmute/transmute_ref_to_ref.rs b/src/tools/clippy/clippy_lints/src/transmute/transmute_ref_to_ref.rs index afb7f2e1326..426c7253806 100644 --- a/src/tools/clippy/clippy_lints/src/transmute/transmute_ref_to_ref.rs +++ b/src/tools/clippy/clippy_lints/src/transmute/transmute_ref_to_ref.rs @@ -22,7 +22,8 @@ pub(super) fn check<'tcx>( if let (ty::Ref(_, ty_from, from_mutbl), ty::Ref(_, ty_to, to_mutbl)) = (&from_ty.kind(), &to_ty.kind()) { if_chain! { - if let (&ty::Slice(slice_ty), &ty::Str) = (&ty_from.kind(), &ty_to.kind()); + if let ty::Slice(slice_ty) = *ty_from.kind(); + if ty_to.is_str(); if let ty::Uint(ty::UintTy::U8) = slice_ty.kind(); if from_mutbl == to_mutbl; then { diff --git a/src/tools/clippy/clippy_lints/src/types/mod.rs b/src/tools/clippy/clippy_lints/src/types/mod.rs index 585e2075fa9..c1f228d5f90 100644 --- a/src/tools/clippy/clippy_lints/src/types/mod.rs +++ b/src/tools/clippy/clippy_lints/src/types/mod.rs @@ -392,9 +392,7 @@ impl<'tcx> LateLintPass<'tcx> for Types { } fn check_field_def(&mut self, cx: &LateContext<'_>, field: &hir::FieldDef<'_>) { - let is_exported = cx - .effective_visibilities - .is_exported(field.def_id); + let is_exported = cx.effective_visibilities.is_exported(field.def_id); self.check_ty( cx, diff --git a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs index 92053cec59f..0e526c216be 100644 --- a/src/tools/clippy/clippy_lints/src/unused_io_amount.rs +++ b/src/tools/clippy/clippy_lints/src/unused_io_amount.rs @@ -65,7 +65,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedIoAmount { } }, hir::ExprKind::MethodCall(path, arg_0, ..) => match path.ident.as_str() { - "expect" | "unwrap" | "unwrap_or" | "unwrap_or_else" => { + "expect" | "unwrap" | "unwrap_or" | "unwrap_or_else" | "is_ok" | "is_err" => { check_map_error(cx, arg_0, expr); }, _ => (), diff --git a/src/tools/clippy/clippy_lints/src/utils/conf.rs b/src/tools/clippy/clippy_lints/src/utils/conf.rs index f48be27592b..1d78c7cfae0 100644 --- a/src/tools/clippy/clippy_lints/src/utils/conf.rs +++ b/src/tools/clippy/clippy_lints/src/utils/conf.rs @@ -253,7 +253,7 @@ define_Conf! { /// /// Suppress lints whenever the suggested change would cause breakage for other crates. (avoid_breaking_exported_api: bool = true), - /// Lint: MANUAL_SPLIT_ONCE, MANUAL_STR_REPEAT, CLONED_INSTEAD_OF_COPIED, REDUNDANT_FIELD_NAMES, REDUNDANT_STATIC_LIFETIMES, FILTER_MAP_NEXT, CHECKED_CONVERSIONS, MANUAL_RANGE_CONTAINS, USE_SELF, MEM_REPLACE_WITH_DEFAULT, MANUAL_NON_EXHAUSTIVE, OPTION_AS_REF_DEREF, MAP_UNWRAP_OR, MATCH_LIKE_MATCHES_MACRO, MANUAL_STRIP, MISSING_CONST_FOR_FN, UNNESTED_OR_PATTERNS, FROM_OVER_INTO, PTR_AS_PTR, IF_THEN_SOME_ELSE_NONE, APPROX_CONSTANT, DEPRECATED_CFG_ATTR, INDEX_REFUTABLE_SLICE, MAP_CLONE, BORROW_AS_PTR, MANUAL_BITS, ERR_EXPECT, CAST_ABS_TO_UNSIGNED, UNINLINED_FORMAT_ARGS, MANUAL_CLAMP, MANUAL_LET_ELSE, UNCHECKED_DURATION_SUBTRACTION. + /// Lint: MANUAL_SPLIT_ONCE, MANUAL_STR_REPEAT, CLONED_INSTEAD_OF_COPIED, REDUNDANT_FIELD_NAMES, REDUNDANT_STATIC_LIFETIMES, FILTER_MAP_NEXT, CHECKED_CONVERSIONS, MANUAL_RANGE_CONTAINS, USE_SELF, MEM_REPLACE_WITH_DEFAULT, MANUAL_NON_EXHAUSTIVE, OPTION_AS_REF_DEREF, MAP_UNWRAP_OR, MATCH_LIKE_MATCHES_MACRO, MANUAL_STRIP, MISSING_CONST_FOR_FN, UNNESTED_OR_PATTERNS, FROM_OVER_INTO, PTR_AS_PTR, IF_THEN_SOME_ELSE_NONE, APPROX_CONSTANT, DEPRECATED_CFG_ATTR, INDEX_REFUTABLE_SLICE, MAP_CLONE, BORROW_AS_PTR, MANUAL_BITS, ERR_EXPECT, CAST_ABS_TO_UNSIGNED, UNINLINED_FORMAT_ARGS, MANUAL_CLAMP, MANUAL_LET_ELSE, UNCHECKED_DURATION_SUBTRACTION, COLLAPSIBLE_STR_REPLACE, SEEK_FROM_CURRENT, SEEK_REWIND, UNNECESSARY_LAZY_EVALUATIONS, TRANSMUTE_PTR_TO_REF, ALMOST_COMPLETE_RANGE, NEEDLESS_BORROW, DERIVABLE_IMPLS, MANUAL_IS_ASCII_CHECK, MANUAL_REM_EUCLID, MANUAL_RETAIN. /// /// The minimum rust version that the project supports (msrv: Option<String> = None), @@ -323,7 +323,7 @@ define_Conf! { /// /// The maximum size (in bytes) to consider a `Copy` type for passing by value instead of by reference. (trivial_copy_size_limit: Option<u64> = None), - /// Lint: LARGE_TYPE_PASS_BY_MOVE. + /// Lint: LARGE_TYPES_PASSED_BY_VALUE. /// /// The minimum size (in bytes) to consider a type for passing by reference instead of by value. (pass_by_value_size_limit: u64 = 256), @@ -411,7 +411,7 @@ define_Conf! { /// the slice pattern that is suggested. If more elements would be necessary, the lint is suppressed. /// For example, `[_, _, _, e, ..]` is a slice pattern with 4 elements. (max_suggested_slice_pattern_length: u64 = 3), - /// Lint: AWAIT_HOLDING_INVALID_TYPE + /// Lint: AWAIT_HOLDING_INVALID_TYPE. (await_holding_invalid_types: Vec<crate::utils::conf::DisallowedPath> = Vec::new()), /// Lint: LARGE_INCLUDE_FILE. /// @@ -437,7 +437,7 @@ define_Conf! { /// /// The maximum size of the `Err`-variant in a `Result` returned from a function (large_error_threshold: u64 = 128), - /// Lint: MUTABLE_KEY. + /// Lint: MUTABLE_KEY_TYPE. /// /// A list of paths to types that should be treated like `Arc`, i.e. ignored but /// for the generic parameters for determining interior mutability @@ -446,7 +446,7 @@ define_Conf! { /// /// Whether to allow mixed uninlined format args, e.g. `format!("{} {}", a, foo.bar)` (allow_mixed_uninlined_format_args: bool = true), - /// Lint: INDEXING_SLICING + /// Lint: INDEXING_SLICING. /// /// Whether to suppress a restriction lint in constant code. In same /// cases the restructured operation might not be unavoidable, as the diff --git a/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs b/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs index 01efc527a8c..092041aecf2 100644 --- a/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs +++ b/src/tools/clippy/clippy_lints/src/utils/dump_hir.rs @@ -1,4 +1,5 @@ use clippy_utils::get_attr; +use hir::TraitItem; use rustc_hir as hir; use rustc_lint::{LateContext, LateLintPass, LintContext}; use rustc_session::{declare_lint_pass, declare_tool_lint}; @@ -47,6 +48,18 @@ impl<'tcx> LateLintPass<'tcx> for DumpHir { println!("{stmt:#?}"); } } + + fn check_trait_item(&mut self, cx: &LateContext<'_>, item: &TraitItem<'_>) { + if has_attr(cx, item.hir_id()) { + println!("{item:#?}"); + } + } + + fn check_impl_item(&mut self, cx: &LateContext<'_>, item: &hir::ImplItem<'_>) { + if has_attr(cx, item.hir_id()) { + println!("{item:#?}"); + } + } } fn has_attr(cx: &LateContext<'_>, hir_id: hir::HirId) -> bool { diff --git a/src/tools/clippy/clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs b/src/tools/clippy/clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs index 4c3b1b131fd..f718207654f 100644 --- a/src/tools/clippy/clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs +++ b/src/tools/clippy/clippy_lints/src/utils/internal_lints/lint_without_lint_pass.rs @@ -215,14 +215,13 @@ impl<'tcx> LateLintPass<'tcx> for LintWithoutLintPass { cx, }; let body_id = cx.tcx.hir().body_owned_by( - cx.tcx.hir().local_def_id( - impl_item_refs - .iter() - .find(|iiref| iiref.ident.as_str() == "get_lints") - .expect("LintPass needs to implement get_lints") - .id - .hir_id(), - ), + impl_item_refs + .iter() + .find(|iiref| iiref.ident.as_str() == "get_lints") + .expect("LintPass needs to implement get_lints") + .id + .owner_id + .def_id, ); collector.visit_expr(cx.tcx.hir().body(body_id).value); } diff --git a/src/tools/clippy/clippy_utils/src/consts.rs b/src/tools/clippy/clippy_utils/src/consts.rs index a67bd8d4600..9d812fbdcc3 100644 --- a/src/tools/clippy/clippy_utils/src/consts.rs +++ b/src/tools/clippy/clippy_utils/src/consts.rs @@ -335,7 +335,7 @@ impl<'a, 'tcx> ConstEvalLateContext<'a, 'tcx> { ExprKind::Tup(tup) => self.multi(tup).map(Constant::Tuple), ExprKind::Repeat(value, _) => { let n = match self.typeck_results.expr_ty(e).kind() { - ty::Array(_, n) => n.try_eval_usize(self.lcx.tcx, self.lcx.param_env)?, + ty::Array(_, n) => n.try_eval_target_usize(self.lcx.tcx, self.lcx.param_env)?, _ => span_bug!(e.span, "typeck error"), }; self.expr(value).map(|v| Constant::Repeat(Box::new(v), n)) diff --git a/src/tools/clippy/clippy_utils/src/macros.rs b/src/tools/clippy/clippy_utils/src/macros.rs index d7f466c1976..63dccbf697c 100644 --- a/src/tools/clippy/clippy_utils/src/macros.rs +++ b/src/tools/clippy/clippy_utils/src/macros.rs @@ -770,10 +770,7 @@ impl<'tcx> FormatSpec<'tcx> { /// Has no other formatting specifiers than setting the format trait. returns true for `{}`, /// `{foo}`, `{:?}`, but false for `{foo:5}`, `{3:.5?}` pub fn is_default_for_trait(&self) -> bool { - self.width.is_implied() - && self.precision.is_implied() - && self.align == Alignment::AlignUnknown - && self.no_flags + self.width.is_implied() && self.precision.is_implied() && self.align == Alignment::AlignUnknown && self.no_flags } } diff --git a/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs index 5836eb73bd9..e9dc7351b58 100644 --- a/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs +++ b/src/tools/clippy/clippy_utils/src/mir/possible_borrower.rs @@ -4,7 +4,7 @@ use rustc_data_structures::fx::FxHashMap; use rustc_index::bit_set::{BitSet, HybridBitSet}; use rustc_lint::LateContext; use rustc_middle::mir::{self, visit::Visitor as _, Mutability}; -use rustc_middle::ty::{self, visit::TypeVisitor}; +use rustc_middle::ty::{self, visit::ir::TypeVisitor, TyCtxt}; use rustc_mir_dataflow::{impls::MaybeStorageLive, Analysis, ResultsCursor}; use std::borrow::Cow; use std::ops::ControlFlow; @@ -136,7 +136,7 @@ impl<'a, 'b, 'tcx> mir::visit::Visitor<'tcx> for PossibleBorrowerVisitor<'a, 'b, struct ContainsRegion; -impl TypeVisitor<'_> for ContainsRegion { +impl TypeVisitor<TyCtxt<'_>> for ContainsRegion { type BreakTy = (); fn visit_region(&mut self, _: ty::Region<'_>) -> ControlFlow<Self::BreakTy> { diff --git a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs index 72705878075..26b1d019749 100644 --- a/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs +++ b/src/tools/clippy/clippy_utils/src/qualify_min_const_fn.rs @@ -36,6 +36,7 @@ pub fn is_min_const_fn<'tcx>(tcx: TyCtxt<'tcx>, body: &Body<'tcx>, msrv: &Msrv) | ty::PredicateKind::ConstEvaluatable(..) | ty::PredicateKind::ConstEquate(..) | ty::PredicateKind::TypeWellFormedFromEnv(..) => continue, + ty::PredicateKind::AliasEq(..) => panic!("alias eq predicate on function: {predicate:#?}"), ty::PredicateKind::ObjectSafe(_) => panic!("object safe predicate on function: {predicate:#?}"), ty::PredicateKind::ClosureKind(..) => panic!("closure kind predicate on function: {predicate:#?}"), ty::PredicateKind::Subtype(_) => panic!("subtype predicate on function: {predicate:#?}"), diff --git a/src/tools/clippy/clippy_utils/src/sugg.rs b/src/tools/clippy/clippy_utils/src/sugg.rs index b8c87aa5e1e..78fb2e0eb7e 100644 --- a/src/tools/clippy/clippy_utils/src/sugg.rs +++ b/src/tools/clippy/clippy_utils/src/sugg.rs @@ -809,7 +809,10 @@ pub struct DerefClosure { /// /// note: this only works on single line immutable closures with exactly one input parameter. pub fn deref_closure_args(cx: &LateContext<'_>, closure: &hir::Expr<'_>) -> Option<DerefClosure> { - if let hir::ExprKind::Closure(&Closure { fn_decl, def_id, body, .. }) = closure.kind { + if let hir::ExprKind::Closure(&Closure { + fn_decl, def_id, body, .. + }) = closure.kind + { let closure_body = cx.tcx.hir().body(body); // is closure arg a type annotated double reference (i.e.: `|x: &&i32| ...`) // a type annotation is present if param `kind` is different from `TyKind::Infer` diff --git a/src/tools/clippy/clippy_utils/src/ty.rs b/src/tools/clippy/clippy_utils/src/ty.rs index c48d27b05f0..d6af7a948a5 100644 --- a/src/tools/clippy/clippy_utils/src/ty.rs +++ b/src/tools/clippy/clippy_utils/src/ty.rs @@ -17,7 +17,7 @@ use rustc_lint::LateContext; use rustc_middle::mir::interpret::{ConstValue, Scalar}; use rustc_middle::ty::{ self, AdtDef, AliasTy, AssocKind, Binder, BoundRegion, DefIdTree, FnSig, IntTy, List, ParamEnv, Predicate, - PredicateKind, Region, RegionKind, SubstsRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, TypeVisitor, UintTy, + PredicateKind, Region, RegionKind, SubstsRef, Ty, TyCtxt, TypeSuperVisitable, TypeVisitable, ir::TypeVisitor, UintTy, VariantDef, VariantDiscr, }; use rustc_middle::ty::{GenericArg, GenericArgKind}; @@ -346,7 +346,7 @@ pub fn is_non_aggregate_primitive_type(ty: Ty<'_>) -> bool { pub fn is_recursively_primitive_type(ty: Ty<'_>) -> bool { match *ty.kind() { ty::Bool | ty::Char | ty::Int(_) | ty::Uint(_) | ty::Float(_) | ty::Str => true, - ty::Ref(_, inner, _) if *inner.kind() == ty::Str => true, + ty::Ref(_, inner, _) if inner.is_str() => true, ty::Array(inner_type, _) | ty::Slice(inner_type) => is_recursively_primitive_type(inner_type), ty::Tuple(inner_types) => inner_types.iter().all(is_recursively_primitive_type), _ => false, @@ -838,7 +838,7 @@ pub fn for_each_top_level_late_bound_region<B>( index: u32, f: F, } - impl<'tcx, B, F: FnMut(BoundRegion) -> ControlFlow<B>> TypeVisitor<'tcx> for V<F> { + impl<'tcx, B, F: FnMut(BoundRegion) -> ControlFlow<B>> TypeVisitor<TyCtxt<'tcx>> for V<F> { type BreakTy = B; fn visit_region(&mut self, r: Region<'tcx>) -> ControlFlow<Self::BreakTy> { if let RegionKind::ReLateBound(idx, bound) = r.kind() && idx.as_u32() == self.index { @@ -949,7 +949,7 @@ pub fn approx_ty_size<'tcx>(cx: &LateContext<'tcx>, ty: Ty<'tcx>) -> u64 { (Ok(size), _) => size, (Err(_), ty::Tuple(list)) => list.as_substs().types().map(|t| approx_ty_size(cx, t)).sum(), (Err(_), ty::Array(t, n)) => { - n.try_eval_usize(cx.tcx, cx.param_env).unwrap_or_default() * approx_ty_size(cx, *t) + n.try_eval_target_usize(cx.tcx, cx.param_env).unwrap_or_default() * approx_ty_size(cx, *t) }, (Err(_), ty::Adt(def, subst)) if def.is_struct() => def .variants() diff --git a/src/tools/clippy/clippy_utils/src/visitors.rs b/src/tools/clippy/clippy_utils/src/visitors.rs index d18b62d1bf1..00073bcd82a 100644 --- a/src/tools/clippy/clippy_utils/src/visitors.rs +++ b/src/tools/clippy/clippy_utils/src/visitors.rs @@ -392,12 +392,16 @@ pub fn is_expr_unsafe<'tcx>(cx: &LateContext<'tcx>, e: &'tcx Expr<'_>) -> bool { .cx .typeck_results() .type_dependent_def_id(e.hir_id) - .map_or(false, |id| self.cx.tcx.fn_sig(id).skip_binder().unsafety() == Unsafety::Unsafe) => + .map_or(false, |id| { + self.cx.tcx.fn_sig(id).skip_binder().unsafety() == Unsafety::Unsafe + }) => { self.is_unsafe = true; }, ExprKind::Call(func, _) => match *self.cx.typeck_results().expr_ty(func).peel_refs().kind() { - ty::FnDef(id, _) if self.cx.tcx.fn_sig(id).skip_binder().unsafety() == Unsafety::Unsafe => self.is_unsafe = true, + ty::FnDef(id, _) if self.cx.tcx.fn_sig(id).skip_binder().unsafety() == Unsafety::Unsafe => { + self.is_unsafe = true; + }, ty::FnPtr(sig) if sig.unsafety() == Unsafety::Unsafe => self.is_unsafe = true, _ => walk_expr(self, e), }, diff --git a/src/tools/clippy/lintcheck/Cargo.toml b/src/tools/clippy/lintcheck/Cargo.toml index de31c16b819..653121af54d 100644 --- a/src/tools/clippy/lintcheck/Cargo.toml +++ b/src/tools/clippy/lintcheck/Cargo.toml @@ -10,8 +10,8 @@ edition = "2021" publish = false [dependencies] -cargo_metadata = "0.14" -clap = "3.2" +cargo_metadata = "0.15.3" +clap = "4.1.4" crossbeam-channel = "0.5.6" flate2 = "1.0" rayon = "1.5.1" diff --git a/src/tools/clippy/rust-toolchain b/src/tools/clippy/rust-toolchain index 4e7fc565a32..adea8c53df2 100644 --- a/src/tools/clippy/rust-toolchain +++ b/src/tools/clippy/rust-toolchain @@ -1,3 +1,3 @@ [toolchain] -channel = "nightly-2023-01-27" +channel = "nightly-2023-02-10" components = ["cargo", "llvm-tools", "rust-src", "rust-std", "rustc", "rustc-dev", "rustfmt"] diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs index d521e8d8839..e45835efe74 100644 --- a/src/tools/clippy/src/driver.rs +++ b/src/tools/clippy/src/driver.rs @@ -220,6 +220,7 @@ fn report_clippy_ice(info: &panic::PanicInfo<'_>, bug_report_url: &str) { None, false, false, + rustc_errors::TerminalUrl::No, )); let handler = rustc_errors::Handler::with_emitter(true, None, emitter); diff --git a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr index 2a240cc249b..c1a10ba55ef 100644 --- a/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr +++ b/src/tools/clippy/tests/ui-internal/unnecessary_def_path_hardcoded_path.stderr @@ -1,19 +1,19 @@ error: hardcoded path to a diagnostic item - --> $DIR/unnecessary_def_path_hardcoded_path.rs:10:36 + --> $DIR/unnecessary_def_path_hardcoded_path.rs:12:43 | -LL | const DEREF_TRAIT: [&str; 4] = ["core", "ops", "deref", "Deref"]; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: convert all references to use `sym::Deref` + = help: convert all references to use `sym::deref_method` = note: `-D clippy::unnecessary-def-path` implied by `-D warnings` error: hardcoded path to a diagnostic item - --> $DIR/unnecessary_def_path_hardcoded_path.rs:12:43 + --> $DIR/unnecessary_def_path_hardcoded_path.rs:10:36 | -LL | const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"]; - | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +LL | const DEREF_TRAIT: [&str; 4] = ["core", "ops", "deref", "Deref"]; + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | - = help: convert all references to use `sym::deref_method` + = help: convert all references to use `sym::Deref` error: hardcoded path to a language item --> $DIR/unnecessary_def_path_hardcoded_path.rs:11:40 diff --git a/src/tools/clippy/tests/ui/auxiliary/macro_rules.rs b/src/tools/clippy/tests/ui/auxiliary/macro_rules.rs index 1e5f20e8c39..a13af565203 100644 --- a/src/tools/clippy/tests/ui/auxiliary/macro_rules.rs +++ b/src/tools/clippy/tests/ui/auxiliary/macro_rules.rs @@ -149,3 +149,22 @@ macro_rules! almost_complete_range { let _ = '0'..'9'; }; } + +#[macro_export] +macro_rules! unsafe_macro { + () => { + unsafe { + *core::ptr::null::<()>(); + *core::ptr::null::<()>(); + } + }; +} + +#[macro_export] +macro_rules! needless_lifetime { + () => { + fn needless_lifetime<'a>(x: &'a u8) -> &'a u8 { + unimplemented!() + } + }; +} diff --git a/src/tools/clippy/tests/ui/bool_assert_comparison.fixed b/src/tools/clippy/tests/ui/bool_assert_comparison.fixed index 95f35a61bb2..b8dd92906c8 100644 --- a/src/tools/clippy/tests/ui/bool_assert_comparison.fixed +++ b/src/tools/clippy/tests/ui/bool_assert_comparison.fixed @@ -86,7 +86,7 @@ fn main() { let b = ImplNotTraitWithBool; assert_eq!("a".len(), 1); - assert!("a".is_empty()); + assert!(!"a".is_empty()); assert!("".is_empty()); assert!("".is_empty()); assert_eq!(a!(), b!()); @@ -97,16 +97,16 @@ fn main() { assert_ne!("a".len(), 1); assert!("a".is_empty()); - assert!("".is_empty()); - assert!("".is_empty()); + assert!(!"".is_empty()); + assert!(!"".is_empty()); assert_ne!(a!(), b!()); assert_ne!(a!(), "".is_empty()); assert_ne!("".is_empty(), b!()); assert_ne!(a, true); - assert!(b); + assert!(!b); debug_assert_eq!("a".len(), 1); - debug_assert!("a".is_empty()); + debug_assert!(!"a".is_empty()); debug_assert!("".is_empty()); debug_assert!("".is_empty()); debug_assert_eq!(a!(), b!()); @@ -117,27 +117,27 @@ fn main() { debug_assert_ne!("a".len(), 1); debug_assert!("a".is_empty()); - debug_assert!("".is_empty()); - debug_assert!("".is_empty()); + debug_assert!(!"".is_empty()); + debug_assert!(!"".is_empty()); debug_assert_ne!(a!(), b!()); debug_assert_ne!(a!(), "".is_empty()); debug_assert_ne!("".is_empty(), b!()); debug_assert_ne!(a, true); - debug_assert!(b); + debug_assert!(!b); // assert with error messages assert_eq!("a".len(), 1, "tadam {}", 1); assert_eq!("a".len(), 1, "tadam {}", true); - assert!("a".is_empty(), "tadam {}", 1); - assert!("a".is_empty(), "tadam {}", true); - assert!("a".is_empty(), "tadam {}", true); + assert!(!"a".is_empty(), "tadam {}", 1); + assert!(!"a".is_empty(), "tadam {}", true); + assert!(!"a".is_empty(), "tadam {}", true); assert_eq!(a, true, "tadam {}", false); debug_assert_eq!("a".len(), 1, "tadam {}", 1); debug_assert_eq!("a".len(), 1, "tadam {}", true); - debug_assert!("a".is_empty(), "tadam {}", 1); - debug_assert!("a".is_empty(), "tadam {}", true); - debug_assert!("a".is_empty(), "tadam {}", true); + debug_assert!(!"a".is_empty(), "tadam {}", 1); + debug_assert!(!"a".is_empty(), "tadam {}", true); + debug_assert!(!"a".is_empty(), "tadam {}", true); debug_assert_eq!(a, true, "tadam {}", false); assert!(a!()); @@ -158,4 +158,14 @@ fn main() { }}; } in_macro!(a); + + assert!("".is_empty()); + assert!("".is_empty()); + assert!(!"requires negation".is_empty()); + assert!(!"requires negation".is_empty()); + + debug_assert!("".is_empty()); + debug_assert!("".is_empty()); + debug_assert!(!"requires negation".is_empty()); + debug_assert!(!"requires negation".is_empty()); } diff --git a/src/tools/clippy/tests/ui/bool_assert_comparison.rs b/src/tools/clippy/tests/ui/bool_assert_comparison.rs index 88e7560b4f9..0a8ad34fda5 100644 --- a/src/tools/clippy/tests/ui/bool_assert_comparison.rs +++ b/src/tools/clippy/tests/ui/bool_assert_comparison.rs @@ -158,4 +158,14 @@ fn main() { }}; } in_macro!(a); + + assert_eq!("".is_empty(), true); + assert_ne!("".is_empty(), false); + assert_ne!("requires negation".is_empty(), true); + assert_eq!("requires negation".is_empty(), false); + + debug_assert_eq!("".is_empty(), true); + debug_assert_ne!("".is_empty(), false); + debug_assert_ne!("requires negation".is_empty(), true); + debug_assert_eq!("requires negation".is_empty(), false); } diff --git a/src/tools/clippy/tests/ui/bool_assert_comparison.stderr b/src/tools/clippy/tests/ui/bool_assert_comparison.stderr index 3d9f8573e61..89cefc95a9f 100644 --- a/src/tools/clippy/tests/ui/bool_assert_comparison.stderr +++ b/src/tools/clippy/tests/ui/bool_assert_comparison.stderr @@ -8,7 +8,7 @@ LL | assert_eq!("a".is_empty(), false); help: replace it with `assert!(..)` | LL - assert_eq!("a".is_empty(), false); -LL + assert!("a".is_empty()); +LL + assert!(!"a".is_empty()); | error: used `assert_eq!` with a literal bool @@ -68,7 +68,7 @@ LL | assert_ne!("".is_empty(), true); help: replace it with `assert!(..)` | LL - assert_ne!("".is_empty(), true); -LL + assert!("".is_empty()); +LL + assert!(!"".is_empty()); | error: used `assert_ne!` with a literal bool @@ -80,7 +80,7 @@ LL | assert_ne!(true, "".is_empty()); help: replace it with `assert!(..)` | LL - assert_ne!(true, "".is_empty()); -LL + assert!("".is_empty()); +LL + assert!(!"".is_empty()); | error: used `assert_ne!` with a literal bool @@ -92,7 +92,7 @@ LL | assert_ne!(b, true); help: replace it with `assert!(..)` | LL - assert_ne!(b, true); -LL + assert!(b); +LL + assert!(!b); | error: used `debug_assert_eq!` with a literal bool @@ -104,7 +104,7 @@ LL | debug_assert_eq!("a".is_empty(), false); help: replace it with `debug_assert!(..)` | LL - debug_assert_eq!("a".is_empty(), false); -LL + debug_assert!("a".is_empty()); +LL + debug_assert!(!"a".is_empty()); | error: used `debug_assert_eq!` with a literal bool @@ -164,7 +164,7 @@ LL | debug_assert_ne!("".is_empty(), true); help: replace it with `debug_assert!(..)` | LL - debug_assert_ne!("".is_empty(), true); -LL + debug_assert!("".is_empty()); +LL + debug_assert!(!"".is_empty()); | error: used `debug_assert_ne!` with a literal bool @@ -176,7 +176,7 @@ LL | debug_assert_ne!(true, "".is_empty()); help: replace it with `debug_assert!(..)` | LL - debug_assert_ne!(true, "".is_empty()); -LL + debug_assert!("".is_empty()); +LL + debug_assert!(!"".is_empty()); | error: used `debug_assert_ne!` with a literal bool @@ -188,7 +188,7 @@ LL | debug_assert_ne!(b, true); help: replace it with `debug_assert!(..)` | LL - debug_assert_ne!(b, true); -LL + debug_assert!(b); +LL + debug_assert!(!b); | error: used `assert_eq!` with a literal bool @@ -200,7 +200,7 @@ LL | assert_eq!("a".is_empty(), false, "tadam {}", 1); help: replace it with `assert!(..)` | LL - assert_eq!("a".is_empty(), false, "tadam {}", 1); -LL + assert!("a".is_empty(), "tadam {}", 1); +LL + assert!(!"a".is_empty(), "tadam {}", 1); | error: used `assert_eq!` with a literal bool @@ -212,7 +212,7 @@ LL | assert_eq!("a".is_empty(), false, "tadam {}", true); help: replace it with `assert!(..)` | LL - assert_eq!("a".is_empty(), false, "tadam {}", true); -LL + assert!("a".is_empty(), "tadam {}", true); +LL + assert!(!"a".is_empty(), "tadam {}", true); | error: used `assert_eq!` with a literal bool @@ -224,7 +224,7 @@ LL | assert_eq!(false, "a".is_empty(), "tadam {}", true); help: replace it with `assert!(..)` | LL - assert_eq!(false, "a".is_empty(), "tadam {}", true); -LL + assert!("a".is_empty(), "tadam {}", true); +LL + assert!(!"a".is_empty(), "tadam {}", true); | error: used `debug_assert_eq!` with a literal bool @@ -236,7 +236,7 @@ LL | debug_assert_eq!("a".is_empty(), false, "tadam {}", 1); help: replace it with `debug_assert!(..)` | LL - debug_assert_eq!("a".is_empty(), false, "tadam {}", 1); -LL + debug_assert!("a".is_empty(), "tadam {}", 1); +LL + debug_assert!(!"a".is_empty(), "tadam {}", 1); | error: used `debug_assert_eq!` with a literal bool @@ -248,7 +248,7 @@ LL | debug_assert_eq!("a".is_empty(), false, "tadam {}", true); help: replace it with `debug_assert!(..)` | LL - debug_assert_eq!("a".is_empty(), false, "tadam {}", true); -LL + debug_assert!("a".is_empty(), "tadam {}", true); +LL + debug_assert!(!"a".is_empty(), "tadam {}", true); | error: used `debug_assert_eq!` with a literal bool @@ -260,7 +260,7 @@ LL | debug_assert_eq!(false, "a".is_empty(), "tadam {}", true); help: replace it with `debug_assert!(..)` | LL - debug_assert_eq!(false, "a".is_empty(), "tadam {}", true); -LL + debug_assert!("a".is_empty(), "tadam {}", true); +LL + debug_assert!(!"a".is_empty(), "tadam {}", true); | error: used `assert_eq!` with a literal bool @@ -299,5 +299,101 @@ LL - renamed!(b, true); LL + debug_assert!(b); | -error: aborting due to 25 previous errors +error: used `assert_eq!` with a literal bool + --> $DIR/bool_assert_comparison.rs:162:5 + | +LL | assert_eq!("".is_empty(), true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_eq!("".is_empty(), true); +LL + assert!("".is_empty()); + | + +error: used `assert_ne!` with a literal bool + --> $DIR/bool_assert_comparison.rs:163:5 + | +LL | assert_ne!("".is_empty(), false); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_ne!("".is_empty(), false); +LL + assert!("".is_empty()); + | + +error: used `assert_ne!` with a literal bool + --> $DIR/bool_assert_comparison.rs:164:5 + | +LL | assert_ne!("requires negation".is_empty(), true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_ne!("requires negation".is_empty(), true); +LL + assert!(!"requires negation".is_empty()); + | + +error: used `assert_eq!` with a literal bool + --> $DIR/bool_assert_comparison.rs:165:5 + | +LL | assert_eq!("requires negation".is_empty(), false); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `assert!(..)` + | +LL - assert_eq!("requires negation".is_empty(), false); +LL + assert!(!"requires negation".is_empty()); + | + +error: used `debug_assert_eq!` with a literal bool + --> $DIR/bool_assert_comparison.rs:167:5 + | +LL | debug_assert_eq!("".is_empty(), true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `debug_assert!(..)` + | +LL - debug_assert_eq!("".is_empty(), true); +LL + debug_assert!("".is_empty()); + | + +error: used `debug_assert_ne!` with a literal bool + --> $DIR/bool_assert_comparison.rs:168:5 + | +LL | debug_assert_ne!("".is_empty(), false); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `debug_assert!(..)` + | +LL - debug_assert_ne!("".is_empty(), false); +LL + debug_assert!("".is_empty()); + | + +error: used `debug_assert_ne!` with a literal bool + --> $DIR/bool_assert_comparison.rs:169:5 + | +LL | debug_assert_ne!("requires negation".is_empty(), true); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `debug_assert!(..)` + | +LL - debug_assert_ne!("requires negation".is_empty(), true); +LL + debug_assert!(!"requires negation".is_empty()); + | + +error: used `debug_assert_eq!` with a literal bool + --> $DIR/bool_assert_comparison.rs:170:5 + | +LL | debug_assert_eq!("requires negation".is_empty(), false); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: replace it with `debug_assert!(..)` + | +LL - debug_assert_eq!("requires negation".is_empty(), false); +LL + debug_assert!(!"requires negation".is_empty()); + | + +error: aborting due to 33 previous errors diff --git a/src/tools/clippy/tests/ui/crashes/ice-2774.stderr b/src/tools/clippy/tests/ui/crashes/ice-2774.stderr index 1f26c7f4db6..c5ea0b16d1b 100644 --- a/src/tools/clippy/tests/ui/crashes/ice-2774.stderr +++ b/src/tools/clippy/tests/ui/crashes/ice-2774.stderr @@ -5,6 +5,11 @@ LL | pub fn add_barfoos_to_foos<'a>(bars: &HashSet<&'a Bar>) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::needless-lifetimes` implied by `-D warnings` +help: elide the lifetimes + | +LL - pub fn add_barfoos_to_foos<'a>(bars: &HashSet<&'a Bar>) { +LL + pub fn add_barfoos_to_foos(bars: &HashSet<&Bar>) { + | error: aborting due to previous error diff --git a/src/tools/clippy/tests/ui/crashes/needless_lifetimes_impl_trait.stderr b/src/tools/clippy/tests/ui/crashes/needless_lifetimes_impl_trait.stderr index 875d5ab4f21..0b0e0ad2684 100644 --- a/src/tools/clippy/tests/ui/crashes/needless_lifetimes_impl_trait.stderr +++ b/src/tools/clippy/tests/ui/crashes/needless_lifetimes_impl_trait.stderr @@ -9,6 +9,11 @@ note: the lint level is defined here | LL | #![deny(clippy::needless_lifetimes)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ +help: elide the lifetimes + | +LL - fn baz<'a>(&'a self) -> impl Foo + 'a { +LL + fn baz(&self) -> impl Foo + '_ { + | error: aborting due to previous error diff --git a/src/tools/clippy/tests/ui/extra_unused_type_parameters.rs b/src/tools/clippy/tests/ui/extra_unused_type_parameters.rs new file mode 100644 index 00000000000..5cb80cb6233 --- /dev/null +++ b/src/tools/clippy/tests/ui/extra_unused_type_parameters.rs @@ -0,0 +1,69 @@ +#![allow(unused, clippy::needless_lifetimes)] +#![warn(clippy::extra_unused_type_parameters)] + +fn unused_ty<T>(x: u8) {} + +fn unused_multi<T, U>(x: u8) {} + +fn unused_with_lt<'a, T>(x: &'a u8) {} + +fn used_ty<T>(x: T, y: u8) {} + +fn used_ref<'a, T>(x: &'a T) {} + +fn used_ret<T: Default>(x: u8) -> T { + T::default() +} + +fn unused_bounded<T: Default, U>(x: U) {} + +fn unused_where_clause<T, U>(x: U) +where + T: Default, +{ +} + +fn some_unused<A, B, C, D: Iterator<Item = (B, C)>, E>(b: B, c: C) {} + +fn used_opaque<A>(iter: impl Iterator<Item = A>) -> usize { + iter.count() +} + +fn used_ret_opaque<A>() -> impl Iterator<Item = A> { + std::iter::empty() +} + +fn used_vec_box<T>(x: Vec<Box<T>>) {} + +fn used_body<T: Default + ToString>() -> String { + T::default().to_string() +} + +fn used_closure<T: Default + ToString>() -> impl Fn() { + || println!("{}", T::default().to_string()) +} + +struct S; + +impl S { + fn unused_ty_impl<T>(&self) {} +} + +// Don't lint on trait methods +trait Foo { + fn bar<T>(&self); +} + +impl Foo for S { + fn bar<T>(&self) {} +} + +fn skip_index<A, Iter>(iter: Iter, index: usize) -> impl Iterator<Item = A> +where + Iter: Iterator<Item = A>, +{ + iter.enumerate() + .filter_map(move |(i, a)| if i == index { None } else { Some(a) }) +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui/extra_unused_type_parameters.stderr b/src/tools/clippy/tests/ui/extra_unused_type_parameters.stderr new file mode 100644 index 00000000000..1c8dd53e638 --- /dev/null +++ b/src/tools/clippy/tests/ui/extra_unused_type_parameters.stderr @@ -0,0 +1,59 @@ +error: type parameter goes unused in function definition + --> $DIR/extra_unused_type_parameters.rs:4:13 + | +LL | fn unused_ty<T>(x: u8) {} + | ^^^ + | + = help: consider removing the parameter + = note: `-D clippy::extra-unused-type-parameters` implied by `-D warnings` + +error: type parameters go unused in function definition + --> $DIR/extra_unused_type_parameters.rs:6:16 + | +LL | fn unused_multi<T, U>(x: u8) {} + | ^^^^^^ + | + = help: consider removing the parameters + +error: type parameter goes unused in function definition + --> $DIR/extra_unused_type_parameters.rs:8:23 + | +LL | fn unused_with_lt<'a, T>(x: &'a u8) {} + | ^ + | + = help: consider removing the parameter + +error: type parameter goes unused in function definition + --> $DIR/extra_unused_type_parameters.rs:18:19 + | +LL | fn unused_bounded<T: Default, U>(x: U) {} + | ^^^^^^^^^^^ + | + = help: consider removing the parameter + +error: type parameter goes unused in function definition + --> $DIR/extra_unused_type_parameters.rs:20:24 + | +LL | fn unused_where_clause<T, U>(x: U) + | ^^ + | + = help: consider removing the parameter + +error: type parameters go unused in function definition + --> $DIR/extra_unused_type_parameters.rs:26:16 + | +LL | fn some_unused<A, B, C, D: Iterator<Item = (B, C)>, E>(b: B, c: C) {} + | ^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^ + | + = help: consider removing the parameters + +error: type parameter goes unused in function definition + --> $DIR/extra_unused_type_parameters.rs:49:22 + | +LL | fn unused_ty_impl<T>(&self) {} + | ^^^ + | + = help: consider removing the parameter + +error: aborting due to 7 previous errors + diff --git a/src/tools/clippy/tests/ui/len_without_is_empty.rs b/src/tools/clippy/tests/ui/len_without_is_empty.rs index 78397c2af34..b5dec6c46bd 100644 --- a/src/tools/clippy/tests/ui/len_without_is_empty.rs +++ b/src/tools/clippy/tests/ui/len_without_is_empty.rs @@ -282,4 +282,50 @@ impl AsyncLen { } } +// issue #9520 +pub struct NonStandardLenAndIsEmptySignature; +impl NonStandardLenAndIsEmptySignature { + // don't lint + pub fn len(&self, something: usize) -> usize { + something + } + + pub fn is_empty(&self, something: usize) -> bool { + something == 0 + } +} + +// test case for #9520 with generics in the function signature +pub trait TestResource { + type NonStandardSignatureWithGenerics: Copy; + fn lookup_content(&self, item: Self::NonStandardSignatureWithGenerics) -> Result<Option<&[u8]>, String>; +} +pub struct NonStandardSignatureWithGenerics(u32); +impl NonStandardSignatureWithGenerics { + pub fn is_empty<T, U>(self, resource: &T) -> bool + where + T: TestResource<NonStandardSignatureWithGenerics = U>, + U: Copy + From<NonStandardSignatureWithGenerics>, + { + if let Ok(Some(content)) = resource.lookup_content(self.into()) { + content.is_empty() + } else { + true + } + } + + // test case for #9520 with generics in the function signature + pub fn len<T, U>(self, resource: &T) -> usize + where + T: TestResource<NonStandardSignatureWithGenerics = U>, + U: Copy + From<NonStandardSignatureWithGenerics>, + { + if let Ok(Some(content)) = resource.lookup_content(self.into()) { + content.len() + } else { + 0_usize + } + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed b/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed index 638320dd6ee..8c7e919bf62 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed +++ b/src/tools/clippy/tests/ui/manual_assert.edition2018.fixed @@ -29,9 +29,7 @@ fn main() { panic!("qaqaq{:?}", a); } assert!(a.is_empty(), "qaqaq{:?}", a); - if !a.is_empty() { - panic!("qwqwq"); - } + assert!(a.is_empty(), "qwqwq"); if a.len() == 3 { println!("qwq"); println!("qwq"); @@ -46,21 +44,11 @@ fn main() { println!("qwq"); } let b = vec![1, 2, 3]; - if b.is_empty() { - panic!("panic1"); - } - if b.is_empty() && a.is_empty() { - panic!("panic2"); - } - if a.is_empty() && !b.is_empty() { - panic!("panic3"); - } - if b.is_empty() || a.is_empty() { - panic!("panic4"); - } - if a.is_empty() || !b.is_empty() { - panic!("panic5"); - } + assert!(!b.is_empty(), "panic1"); + assert!(!(b.is_empty() && a.is_empty()), "panic2"); + assert!(!(a.is_empty() && !b.is_empty()), "panic3"); + assert!(!(b.is_empty() || a.is_empty()), "panic4"); + assert!(!(a.is_empty() || !b.is_empty()), "panic5"); assert!(!a.is_empty(), "with expansion {}", one!()); if a.is_empty() { let _ = 0; @@ -71,12 +59,11 @@ fn main() { fn issue7730(a: u8) { // Suggestion should preserve comment - if a > 2 { - // comment - /* this is a + // comment +/* this is a multiline comment */ - /// Doc comment - panic!("panic with comment") // comment after `panic!` - } +/// Doc comment +// comment after `panic!` +assert!(!(a > 2), "panic with comment"); } diff --git a/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr b/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr index 1f2e1e3087b..3555ac29243 100644 --- a/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr +++ b/src/tools/clippy/tests/ui/manual_assert.edition2018.stderr @@ -9,6 +9,54 @@ LL | | } = note: `-D clippy::manual-assert` implied by `-D warnings` error: only a `panic!` in `if`-then statement + --> $DIR/manual_assert.rs:34:5 + | +LL | / if !a.is_empty() { +LL | | panic!("qwqwq"); +LL | | } + | |_____^ help: try instead: `assert!(a.is_empty(), "qwqwq");` + +error: only a `panic!` in `if`-then statement + --> $DIR/manual_assert.rs:51:5 + | +LL | / if b.is_empty() { +LL | | panic!("panic1"); +LL | | } + | |_____^ help: try instead: `assert!(!b.is_empty(), "panic1");` + +error: only a `panic!` in `if`-then statement + --> $DIR/manual_assert.rs:54:5 + | +LL | / if b.is_empty() && a.is_empty() { +LL | | panic!("panic2"); +LL | | } + | |_____^ help: try instead: `assert!(!(b.is_empty() && a.is_empty()), "panic2");` + +error: only a `panic!` in `if`-then statement + --> $DIR/manual_assert.rs:57:5 + | +LL | / if a.is_empty() && !b.is_empty() { +LL | | panic!("panic3"); +LL | | } + | |_____^ help: try instead: `assert!(!(a.is_empty() && !b.is_empty()), "panic3");` + +error: only a `panic!` in `if`-then statement + --> $DIR/manual_assert.rs:60:5 + | +LL | / if b.is_empty() || a.is_empty() { +LL | | panic!("panic4"); +LL | | } + | |_____^ help: try instead: `assert!(!(b.is_empty() || a.is_empty()), "panic4");` + +error: only a `panic!` in `if`-then statement + --> $DIR/manual_assert.rs:63:5 + | +LL | / if a.is_empty() || !b.is_empty() { +LL | | panic!("panic5"); +LL | | } + | |_____^ help: try instead: `assert!(!(a.is_empty() || !b.is_empty()), "panic5");` + +error: only a `panic!` in `if`-then statement --> $DIR/manual_assert.rs:66:5 | LL | / if a.is_empty() { @@ -16,5 +64,22 @@ LL | | panic!("with expansion {}", one!()) LL | | } | |_____^ help: try instead: `assert!(!a.is_empty(), "with expansion {}", one!());` -error: aborting due to 2 previous errors +error: only a `panic!` in `if`-then statement + --> $DIR/manual_assert.rs:78:5 + | +LL | / if a > 2 { +LL | | // comment +LL | | /* this is a +LL | | multiline +... | +LL | | panic!("panic with comment") // comment after `panic!` +LL | | } + | |_____^ + | +help: try instead + | +LL | assert!(!(a > 2), "panic with comment"); + | + +error: aborting due to 9 previous errors diff --git a/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.fixed b/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.fixed index fc252cdd352..9fd3739b69c 100644 --- a/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.fixed +++ b/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.fixed @@ -123,7 +123,7 @@ fn main() { Enum::A => (), Enum::B => (), Enum::C => (), - _ => (), + Enum::__Private => (), } match Enum::A { Enum::A => (), diff --git a/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.stderr b/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.stderr index 6fa313dc911..105b4c4b41d 100644 --- a/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.stderr +++ b/src/tools/clippy/tests/ui/match_wildcard_for_single_variants.stderr @@ -49,10 +49,16 @@ LL | _ => (), | ^ help: try this: `Color::Blue` error: wildcard matches only a single variant and will also match any future added variants + --> $DIR/match_wildcard_for_single_variants.rs:126:13 + | +LL | _ => (), + | ^ help: try this: `Enum::__Private` + +error: wildcard matches only a single variant and will also match any future added variants --> $DIR/match_wildcard_for_single_variants.rs:153:13 | LL | _ => 2, | ^ help: try this: `Foo::B` -error: aborting due to 9 previous errors +error: aborting due to 10 previous errors diff --git a/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.rs b/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.rs index 41263535df6..4511bc99c3c 100644 --- a/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.rs +++ b/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.rs @@ -1,9 +1,13 @@ +// aux-build:macro_rules.rs #![allow(unused)] #![allow(deref_nullptr)] #![allow(clippy::unnecessary_operation)] #![allow(clippy::drop_copy)] #![warn(clippy::multiple_unsafe_ops_per_block)] +#[macro_use] +extern crate macro_rules; + use core::arch::asm; fn raw_ptr() -> *const () { @@ -107,4 +111,9 @@ unsafe fn read_char_good(ptr: *const u8) -> char { unsafe { core::char::from_u32_unchecked(int_value) } } +// no lint +fn issue10259() { + unsafe_macro!(); +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.stderr b/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.stderr index f6b8341795d..303aeb7aee0 100644 --- a/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.stderr +++ b/src/tools/clippy/tests/ui/multiple_unsafe_ops_per_block.stderr @@ -1,5 +1,5 @@ error: this `unsafe` block contains 2 unsafe operations, expected only one - --> $DIR/multiple_unsafe_ops_per_block.rs:32:5 + --> $DIR/multiple_unsafe_ops_per_block.rs:36:5 | LL | / unsafe { LL | | STATIC += 1; @@ -8,19 +8,19 @@ LL | | } | |_____^ | note: modification of a mutable static occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:33:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:37:9 | LL | STATIC += 1; | ^^^^^^^^^^^ note: unsafe function call occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:34:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:38:9 | LL | not_very_safe(); | ^^^^^^^^^^^^^^^ = note: `-D clippy::multiple-unsafe-ops-per-block` implied by `-D warnings` error: this `unsafe` block contains 2 unsafe operations, expected only one - --> $DIR/multiple_unsafe_ops_per_block.rs:41:5 + --> $DIR/multiple_unsafe_ops_per_block.rs:45:5 | LL | / unsafe { LL | | drop(u.u); @@ -29,18 +29,18 @@ LL | | } | |_____^ | note: union field access occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:42:14 + --> $DIR/multiple_unsafe_ops_per_block.rs:46:14 | LL | drop(u.u); | ^^^ note: raw pointer dereference occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:43:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:47:9 | LL | *raw_ptr(); | ^^^^^^^^^^ error: this `unsafe` block contains 3 unsafe operations, expected only one - --> $DIR/multiple_unsafe_ops_per_block.rs:48:5 + --> $DIR/multiple_unsafe_ops_per_block.rs:52:5 | LL | / unsafe { LL | | asm!("nop"); @@ -50,23 +50,23 @@ LL | | } | |_____^ | note: inline assembly used here - --> $DIR/multiple_unsafe_ops_per_block.rs:49:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:53:9 | LL | asm!("nop"); | ^^^^^^^^^^^ note: unsafe method call occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:50:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:54:9 | LL | sample.not_very_safe(); | ^^^^^^^^^^^^^^^^^^^^^^ note: modification of a mutable static occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:51:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:55:9 | LL | STATIC = 0; | ^^^^^^^^^^ error: this `unsafe` block contains 6 unsafe operations, expected only one - --> $DIR/multiple_unsafe_ops_per_block.rs:57:5 + --> $DIR/multiple_unsafe_ops_per_block.rs:61:5 | LL | / unsafe { LL | | drop(u.u); @@ -78,49 +78,49 @@ LL | | } | |_____^ | note: union field access occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:58:14 + --> $DIR/multiple_unsafe_ops_per_block.rs:62:14 | LL | drop(u.u); | ^^^ note: access of a mutable static occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:59:14 + --> $DIR/multiple_unsafe_ops_per_block.rs:63:14 | LL | drop(STATIC); | ^^^^^^ note: unsafe method call occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:60:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:64:9 | LL | sample.not_very_safe(); | ^^^^^^^^^^^^^^^^^^^^^^ note: unsafe function call occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:61:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:65:9 | LL | not_very_safe(); | ^^^^^^^^^^^^^^^ note: raw pointer dereference occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:62:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:66:9 | LL | *raw_ptr(); | ^^^^^^^^^^ note: inline assembly used here - --> $DIR/multiple_unsafe_ops_per_block.rs:63:9 + --> $DIR/multiple_unsafe_ops_per_block.rs:67:9 | LL | asm!("nop"); | ^^^^^^^^^^^ error: this `unsafe` block contains 2 unsafe operations, expected only one - --> $DIR/multiple_unsafe_ops_per_block.rs:101:5 + --> $DIR/multiple_unsafe_ops_per_block.rs:105:5 | LL | unsafe { char::from_u32_unchecked(*ptr.cast::<u32>()) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | note: unsafe function call occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:101:14 + --> $DIR/multiple_unsafe_ops_per_block.rs:105:14 | LL | unsafe { char::from_u32_unchecked(*ptr.cast::<u32>()) } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ note: raw pointer dereference occurs here - --> $DIR/multiple_unsafe_ops_per_block.rs:101:39 + --> $DIR/multiple_unsafe_ops_per_block.rs:105:39 | LL | unsafe { char::from_u32_unchecked(*ptr.cast::<u32>()) } | ^^^^^^^^^^^^^^^^^^ diff --git a/src/tools/clippy/tests/ui/needless_lifetimes.fixed b/src/tools/clippy/tests/ui/needless_lifetimes.fixed new file mode 100644 index 00000000000..d286ef4ba37 --- /dev/null +++ b/src/tools/clippy/tests/ui/needless_lifetimes.fixed @@ -0,0 +1,538 @@ +// run-rustfix +// aux-build:macro_rules.rs + +#![warn(clippy::needless_lifetimes)] +#![allow( + unused, + clippy::boxed_local, + clippy::extra_unused_type_parameters, + clippy::needless_pass_by_value, + clippy::unnecessary_wraps, + dyn_drop, + clippy::get_first +)] + +#[macro_use] +extern crate macro_rules; + +fn distinct_lifetimes(_x: &u8, _y: &u8, _z: u8) {} + +fn distinct_and_static(_x: &u8, _y: &u8, _z: &'static u8) {} + +// No error; same lifetime on two params. +fn same_lifetime_on_input<'a>(_x: &'a u8, _y: &'a u8) {} + +// No error; static involved. +fn only_static_on_input(_x: &u8, _y: &u8, _z: &'static u8) {} + +fn mut_and_static_input(_x: &mut u8, _y: &'static str) {} + +fn in_and_out(x: &u8, _y: u8) -> &u8 { + x +} + +// No error; multiple input refs. +fn multiple_in_and_out_1<'a>(x: &'a u8, _y: &'a u8) -> &'a u8 { + x +} + +// Error; multiple input refs, but the output lifetime is not elided, i.e., the following is valid: +// fn multiple_in_and_out_2a<'a>(x: &'a u8, _y: &u8) -> &'a u8 +// ^^^ +fn multiple_in_and_out_2a<'a>(x: &'a u8, _y: &u8) -> &'a u8 { + x +} + +// Error; multiple input refs, but the output lifetime is not elided, i.e., the following is valid: +// fn multiple_in_and_out_2b<'b>(_x: &u8, y: &'b u8) -> &'b u8 +// ^^^ +fn multiple_in_and_out_2b<'b>(_x: &u8, y: &'b u8) -> &'b u8 { + y +} + +// No error; multiple input refs +async fn func<'a>(args: &[&'a str]) -> Option<&'a str> { + args.get(0).cloned() +} + +// No error; static involved. +fn in_static_and_out<'a>(x: &'a u8, _y: &'static u8) -> &'a u8 { + x +} + +// Error; multiple input refs, but the output lifetime is not elided, i.e., the following is valid: +// fn deep_reference_1a<'a>(x: &'a u8, _y: &u8) -> Result<&'a u8, ()> +// ^^^ +fn deep_reference_1a<'a>(x: &'a u8, _y: &u8) -> Result<&'a u8, ()> { + Ok(x) +} + +// Error; multiple input refs, but the output lifetime is not elided, i.e., the following is valid: +// fn deep_reference_1b<'b>(_x: &u8, y: &'b u8) -> Result<&'b u8, ()> +// ^^^ +fn deep_reference_1b<'b>(_x: &u8, y: &'b u8) -> Result<&'b u8, ()> { + Ok(y) +} + +// No error; two input refs. +fn deep_reference_2<'a>(x: Result<&'a u8, &'a u8>) -> &'a u8 { + x.unwrap() +} + +fn deep_reference_3(x: &u8, _y: u8) -> Result<&u8, ()> { + Ok(x) +} + +// Where-clause, but without lifetimes. +fn where_clause_without_lt<T>(x: &u8, _y: u8) -> Result<&u8, ()> +where + T: Copy, +{ + Ok(x) +} + +type Ref<'r> = &'r u8; + +// No error; same lifetime on two params. +fn lifetime_param_1<'a>(_x: Ref<'a>, _y: &'a u8) {} + +fn lifetime_param_2(_x: Ref<'_>, _y: &u8) {} + +// No error; bounded lifetime. +fn lifetime_param_3<'a, 'b: 'a>(_x: Ref<'a>, _y: &'b u8) {} + +// No error; bounded lifetime. +fn lifetime_param_4<'a, 'b>(_x: Ref<'a>, _y: &'b u8) +where + 'b: 'a, +{ +} + +struct Lt<'a, I: 'static> { + x: &'a I, +} + +// No error; fn bound references `'a`. +fn fn_bound<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I> +where + F: Fn(Lt<'a, I>) -> Lt<'a, I>, +{ + unreachable!() +} + +fn fn_bound_2<F, I>(_m: Lt<'_, I>, _f: F) -> Lt<'_, I> +where + for<'x> F: Fn(Lt<'x, I>) -> Lt<'x, I>, +{ + unreachable!() +} + +// No error; see below. +fn fn_bound_3<'a, F: FnOnce(&'a i32)>(x: &'a i32, f: F) { + f(x); +} + +fn fn_bound_3_cannot_elide() { + let x = 42; + let p = &x; + let mut q = &x; + // This will fail if we elide lifetimes of `fn_bound_3`. + fn_bound_3(p, |y| q = y); +} + +// No error; multiple input refs. +fn fn_bound_4<'a, F: FnOnce() -> &'a ()>(cond: bool, x: &'a (), f: F) -> &'a () { + if cond { x } else { f() } +} + +struct X { + x: u8, +} + +impl X { + fn self_and_out(&self) -> &u8 { + &self.x + } + + // Error; multiple input refs, but the output lifetime is not elided, i.e., the following is valid: + // fn self_and_in_out_1<'s>(&'s self, _x: &u8) -> &'s u8 + // ^^^ + fn self_and_in_out_1<'s>(&'s self, _x: &u8) -> &'s u8 { + &self.x + } + + // Error; multiple input refs, but the output lifetime is not elided, i.e., the following is valid: + // fn self_and_in_out_2<'t>(&self, x: &'t u8) -> &'t u8 + // ^^^^^ + fn self_and_in_out_2<'t>(&self, x: &'t u8) -> &'t u8 { + x + } + + fn distinct_self_and_in(&self, _x: &u8) {} + + // No error; same lifetimes on two params. + fn self_and_same_in<'s>(&'s self, _x: &'s u8) {} +} + +struct Foo<'a>(&'a u8); + +impl<'a> Foo<'a> { + // No error; lifetime `'a` not defined in method. + fn self_shared_lifetime(&self, _: &'a u8) {} + // No error; bounds exist. + fn self_bound_lifetime<'b: 'a>(&self, _: &'b u8) {} +} + +fn already_elided<'a>(_: &u8, _: &'a u8) -> &'a u8 { + unimplemented!() +} + +fn struct_with_lt(_foo: Foo<'_>) -> &str { + unimplemented!() +} + +// No warning; two input lifetimes (named on the reference, anonymous on `Foo`). +fn struct_with_lt2<'a>(_foo: &'a Foo) -> &'a str { + unimplemented!() +} + +// No warning; two input lifetimes (anonymous on the reference, named on `Foo`). +fn struct_with_lt3<'a>(_foo: &Foo<'a>) -> &'a str { + unimplemented!() +} + +// Warning; two input lifetimes, but the output lifetime is not elided, i.e., the following is +// valid: +// fn struct_with_lt4a<'a>(_foo: &'a Foo<'_>) -> &'a str +// ^^ +fn struct_with_lt4a<'a>(_foo: &'a Foo<'_>) -> &'a str { + unimplemented!() +} + +// Warning; two input lifetimes, but the output lifetime is not elided, i.e., the following is +// valid: +// fn struct_with_lt4b<'b>(_foo: &Foo<'b>) -> &'b str +// ^^^^ +fn struct_with_lt4b<'b>(_foo: &Foo<'b>) -> &'b str { + unimplemented!() +} + +trait WithLifetime<'a> {} + +type WithLifetimeAlias<'a> = dyn WithLifetime<'a>; + +// Should not warn because it won't build without the lifetime. +fn trait_obj_elided<'a>(_arg: &'a dyn WithLifetime) -> &'a str { + unimplemented!() +} + +// Should warn because there is no lifetime on `Drop`, so this would be +// unambiguous if we elided the lifetime. +fn trait_obj_elided2(_arg: &dyn Drop) -> &str { + unimplemented!() +} + +type FooAlias<'a> = Foo<'a>; + +fn alias_with_lt(_foo: FooAlias<'_>) -> &str { + unimplemented!() +} + +// No warning; two input lifetimes (named on the reference, anonymous on `FooAlias`). +fn alias_with_lt2<'a>(_foo: &'a FooAlias) -> &'a str { + unimplemented!() +} + +// No warning; two input lifetimes (anonymous on the reference, named on `FooAlias`). +fn alias_with_lt3<'a>(_foo: &FooAlias<'a>) -> &'a str { + unimplemented!() +} + +// Warning; two input lifetimes, but the output lifetime is not elided, i.e., the following is +// valid: +// fn alias_with_lt4a<'a>(_foo: &'a FooAlias<'_>) -> &'a str +// ^^ +fn alias_with_lt4a<'a>(_foo: &'a FooAlias<'_>) -> &'a str { + unimplemented!() +} + +// Warning; two input lifetimes, but the output lifetime is not elided, i.e., the following is +// valid: +// fn alias_with_lt4b<'b>(_foo: &FooAlias<'b>) -> &'b str +// ^^^^^^^^^ +fn alias_with_lt4b<'b>(_foo: &FooAlias<'b>) -> &'b str { + unimplemented!() +} + +fn named_input_elided_output(_arg: &str) -> &str { + unimplemented!() +} + +fn elided_input_named_output<'a>(_arg: &str) -> &'a str { + unimplemented!() +} + +fn trait_bound_ok<T: WithLifetime<'static>>(_: &u8, _: T) { + unimplemented!() +} +fn trait_bound<'a, T: WithLifetime<'a>>(_: &'a u8, _: T) { + unimplemented!() +} + +// Don't warn on these; see issue #292. +fn trait_bound_bug<'a, T: WithLifetime<'a>>() { + unimplemented!() +} + +// See issue #740. +struct Test { + vec: Vec<usize>, +} + +impl Test { + fn iter<'a>(&'a self) -> Box<dyn Iterator<Item = usize> + 'a> { + unimplemented!() + } +} + +trait LintContext<'a> {} + +fn f<'a, T: LintContext<'a>>(_: &T) {} + +fn test<'a>(x: &'a [u8]) -> u8 { + let y: &'a u8 = &x[5]; + *y +} + +// Issue #3284: give hint regarding lifetime in return type. +struct Cow<'a> { + x: &'a str, +} +fn out_return_type_lts(e: &str) -> Cow<'_> { + unimplemented!() +} + +// Make sure we still warn on implementations +mod issue4291 { + trait BadTrait { + fn needless_lt(x: &u8) {} + } + + impl BadTrait for () { + fn needless_lt(_x: &u8) {} + } +} + +mod issue2944 { + trait Foo {} + struct Bar; + struct Baz<'a> { + bar: &'a Bar, + } + + impl<'a> Foo for Baz<'a> {} + impl Bar { + fn baz(&self) -> impl Foo + '_ { + Baz { bar: self } + } + } +} + +mod nested_elision_sites { + // issue #issue2944 + + // closure trait bounds subject to nested elision + // don't lint because they refer to outer lifetimes + fn trait_fn<'a>(i: &'a i32) -> impl Fn() -> &'a i32 { + move || i + } + fn trait_fn_mut<'a>(i: &'a i32) -> impl FnMut() -> &'a i32 { + move || i + } + fn trait_fn_once<'a>(i: &'a i32) -> impl FnOnce() -> &'a i32 { + move || i + } + + // don't lint + fn impl_trait_in_input_position<'a>(f: impl Fn() -> &'a i32) -> &'a i32 { + f() + } + fn impl_trait_in_output_position<'a>(i: &'a i32) -> impl Fn() -> &'a i32 { + move || i + } + // lint + fn impl_trait_elidable_nested_named_lifetimes<'a>(i: &'a i32, f: impl for<'b> Fn(&'b i32) -> &'b i32) -> &'a i32 { + f(i) + } + fn impl_trait_elidable_nested_anonymous_lifetimes(i: &i32, f: impl Fn(&i32) -> &i32) -> &i32 { + f(i) + } + + // don't lint + fn generics_not_elidable<'a, T: Fn() -> &'a i32>(f: T) -> &'a i32 { + f() + } + // lint + fn generics_elidable<T: Fn(&i32) -> &i32>(i: &i32, f: T) -> &i32 { + f(i) + } + + // don't lint + fn where_clause_not_elidable<'a, T>(f: T) -> &'a i32 + where + T: Fn() -> &'a i32, + { + f() + } + // lint + fn where_clause_elidadable<T>(i: &i32, f: T) -> &i32 + where + T: Fn(&i32) -> &i32, + { + f(i) + } + + // don't lint + fn pointer_fn_in_input_position<'a>(f: fn(&'a i32) -> &'a i32, i: &'a i32) -> &'a i32 { + f(i) + } + fn pointer_fn_in_output_position<'a>(_: &'a i32) -> fn(&'a i32) -> &'a i32 { + |i| i + } + // lint + fn pointer_fn_elidable(i: &i32, f: fn(&i32) -> &i32) -> &i32 { + f(i) + } + + // don't lint + fn nested_fn_pointer_1<'a>(_: &'a i32) -> fn(fn(&'a i32) -> &'a i32) -> i32 { + |f| 42 + } + fn nested_fn_pointer_2<'a>(_: &'a i32) -> impl Fn(fn(&'a i32)) { + |f| () + } + + // lint + fn nested_fn_pointer_3(_: &i32) -> fn(fn(&i32) -> &i32) -> i32 { + |f| 42 + } + fn nested_fn_pointer_4(_: &i32) -> impl Fn(fn(&i32)) { + |f| () + } +} + +mod issue6159 { + use std::ops::Deref; + pub fn apply_deref<'a, T, F, R>(x: &'a T, f: F) -> R + where + T: Deref, + F: FnOnce(&'a T::Target) -> R, + { + f(x.deref()) + } +} + +mod issue7296 { + use std::rc::Rc; + use std::sync::Arc; + + struct Foo; + impl Foo { + fn implicit(&self) -> &() { + &() + } + fn implicit_mut(&mut self) -> &() { + &() + } + + fn explicit<'a>(self: &'a Arc<Self>) -> &'a () { + &() + } + fn explicit_mut<'a>(self: &'a mut Rc<Self>) -> &'a () { + &() + } + + fn lifetime_elsewhere(self: Box<Self>, here: &()) -> &() { + &() + } + } + + trait Bar { + fn implicit(&self) -> &(); + fn implicit_provided(&self) -> &() { + &() + } + + fn explicit<'a>(self: &'a Arc<Self>) -> &'a (); + fn explicit_provided<'a>(self: &'a Arc<Self>) -> &'a () { + &() + } + + fn lifetime_elsewhere(self: Box<Self>, here: &()) -> &(); + fn lifetime_elsewhere_provided(self: Box<Self>, here: &()) -> &() { + &() + } + } +} + +mod pr_9743_false_negative_fix { + #![allow(unused)] + + fn foo(x: &u8, y: &'_ u8) {} + + fn bar(x: &u8, y: &'_ u8, z: &'_ u8) {} +} + +mod pr_9743_output_lifetime_checks { + #![allow(unused)] + + // lint: only one input + fn one_input(x: &u8) -> &u8 { + unimplemented!() + } + + // lint: multiple inputs, output would not be elided + fn multiple_inputs_output_not_elided<'b>(x: &u8, y: &'b u8, z: &'b u8) -> &'b u8 { + unimplemented!() + } + + // don't lint: multiple inputs, output would be elided (which would create an ambiguity) + fn multiple_inputs_output_would_be_elided<'a, 'b>(x: &'a u8, y: &'b u8, z: &'b u8) -> &'a u8 { + unimplemented!() + } +} + +mod in_macro { + macro_rules! local_one_input_macro { + () => { + fn one_input(x: &u8) -> &u8 { + unimplemented!() + } + }; + } + + // lint local macro expands to function with needless lifetimes + local_one_input_macro!(); + + // no lint on external macro + macro_rules::needless_lifetime!(); +} + +mod issue5787 { + use std::sync::MutexGuard; + + struct Foo; + + impl Foo { + // doesn't get linted without async + pub async fn wait<'a, T>(&self, guard: MutexGuard<'a, T>) -> MutexGuard<'a, T> { + guard + } + } + + async fn foo<'a>(_x: &i32, y: &'a str) -> &'a str { + y + } +} + +fn main() {} diff --git a/src/tools/clippy/tests/ui/needless_lifetimes.rs b/src/tools/clippy/tests/ui/needless_lifetimes.rs index 2efc936752e..409528b291d 100644 --- a/src/tools/clippy/tests/ui/needless_lifetimes.rs +++ b/src/tools/clippy/tests/ui/needless_lifetimes.rs @@ -1,13 +1,20 @@ +// run-rustfix +// aux-build:macro_rules.rs + #![warn(clippy::needless_lifetimes)] #![allow( - dead_code, + unused, clippy::boxed_local, + clippy::extra_unused_type_parameters, clippy::needless_pass_by_value, clippy::unnecessary_wraps, dyn_drop, clippy::get_first )] +#[macro_use] +extern crate macro_rules; + fn distinct_lifetimes<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: u8) {} fn distinct_and_static<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: &'static u8) {} @@ -495,4 +502,37 @@ mod pr_9743_output_lifetime_checks { } } +mod in_macro { + macro_rules! local_one_input_macro { + () => { + fn one_input<'a>(x: &'a u8) -> &'a u8 { + unimplemented!() + } + }; + } + + // lint local macro expands to function with needless lifetimes + local_one_input_macro!(); + + // no lint on external macro + macro_rules::needless_lifetime!(); +} + +mod issue5787 { + use std::sync::MutexGuard; + + struct Foo; + + impl Foo { + // doesn't get linted without async + pub async fn wait<'a, T>(&self, guard: MutexGuard<'a, T>) -> MutexGuard<'a, T> { + guard + } + } + + async fn foo<'a>(_x: &i32, y: &'a str) -> &'a str { + y + } +} + fn main() {} diff --git a/src/tools/clippy/tests/ui/needless_lifetimes.stderr b/src/tools/clippy/tests/ui/needless_lifetimes.stderr index 5a7cf13c86d..4e3c8f20d8c 100644 --- a/src/tools/clippy/tests/ui/needless_lifetimes.stderr +++ b/src/tools/clippy/tests/ui/needless_lifetimes.stderr @@ -1,316 +1,559 @@ error: the following explicit lifetimes could be elided: 'a, 'b - --> $DIR/needless_lifetimes.rs:11:1 + --> $DIR/needless_lifetimes.rs:18:1 | LL | fn distinct_lifetimes<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::needless-lifetimes` implied by `-D warnings` +help: elide the lifetimes + | +LL - fn distinct_lifetimes<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: u8) {} +LL + fn distinct_lifetimes(_x: &u8, _y: &u8, _z: u8) {} + | error: the following explicit lifetimes could be elided: 'a, 'b - --> $DIR/needless_lifetimes.rs:13:1 + --> $DIR/needless_lifetimes.rs:20:1 | LL | fn distinct_and_static<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: &'static u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn distinct_and_static<'a, 'b>(_x: &'a u8, _y: &'b u8, _z: &'static u8) {} +LL + fn distinct_and_static(_x: &u8, _y: &u8, _z: &'static u8) {} + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:23:1 + --> $DIR/needless_lifetimes.rs:30:1 | LL | fn in_and_out<'a>(x: &'a u8, _y: u8) -> &'a u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn in_and_out<'a>(x: &'a u8, _y: u8) -> &'a u8 { +LL + fn in_and_out(x: &u8, _y: u8) -> &u8 { + | error: the following explicit lifetimes could be elided: 'b - --> $DIR/needless_lifetimes.rs:35:1 + --> $DIR/needless_lifetimes.rs:42:1 | LL | fn multiple_in_and_out_2a<'a, 'b>(x: &'a u8, _y: &'b u8) -> &'a u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn multiple_in_and_out_2a<'a, 'b>(x: &'a u8, _y: &'b u8) -> &'a u8 { +LL + fn multiple_in_and_out_2a<'a>(x: &'a u8, _y: &u8) -> &'a u8 { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:42:1 + --> $DIR/needless_lifetimes.rs:49:1 | LL | fn multiple_in_and_out_2b<'a, 'b>(_x: &'a u8, y: &'b u8) -> &'b u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn multiple_in_and_out_2b<'a, 'b>(_x: &'a u8, y: &'b u8) -> &'b u8 { +LL + fn multiple_in_and_out_2b<'b>(_x: &u8, y: &'b u8) -> &'b u8 { + | error: the following explicit lifetimes could be elided: 'b - --> $DIR/needless_lifetimes.rs:59:1 + --> $DIR/needless_lifetimes.rs:66:1 | LL | fn deep_reference_1a<'a, 'b>(x: &'a u8, _y: &'b u8) -> Result<&'a u8, ()> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn deep_reference_1a<'a, 'b>(x: &'a u8, _y: &'b u8) -> Result<&'a u8, ()> { +LL + fn deep_reference_1a<'a>(x: &'a u8, _y: &u8) -> Result<&'a u8, ()> { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:66:1 + --> $DIR/needless_lifetimes.rs:73:1 | LL | fn deep_reference_1b<'a, 'b>(_x: &'a u8, y: &'b u8) -> Result<&'b u8, ()> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn deep_reference_1b<'a, 'b>(_x: &'a u8, y: &'b u8) -> Result<&'b u8, ()> { +LL + fn deep_reference_1b<'b>(_x: &u8, y: &'b u8) -> Result<&'b u8, ()> { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:75:1 + --> $DIR/needless_lifetimes.rs:82:1 | LL | fn deep_reference_3<'a>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn deep_reference_3<'a>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> { +LL + fn deep_reference_3(x: &u8, _y: u8) -> Result<&u8, ()> { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:80:1 + --> $DIR/needless_lifetimes.rs:87:1 | LL | fn where_clause_without_lt<'a, T>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn where_clause_without_lt<'a, T>(x: &'a u8, _y: u8) -> Result<&'a u8, ()> +LL + fn where_clause_without_lt<T>(x: &u8, _y: u8) -> Result<&u8, ()> + | error: the following explicit lifetimes could be elided: 'a, 'b - --> $DIR/needless_lifetimes.rs:92:1 + --> $DIR/needless_lifetimes.rs:99:1 | LL | fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: replace with `'_` in generic arguments such as here - --> $DIR/needless_lifetimes.rs:92:37 +help: elide the lifetimes + | +LL - fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {} +LL + fn lifetime_param_2(_x: Ref<'_>, _y: &u8) {} | -LL | fn lifetime_param_2<'a, 'b>(_x: Ref<'a>, _y: &'b u8) {} - | ^^ error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:116:1 + --> $DIR/needless_lifetimes.rs:123:1 | LL | fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I> | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: replace with `'_` in generic arguments such as here - --> $DIR/needless_lifetimes.rs:116:32 +help: elide the lifetimes + | +LL - fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I> +LL + fn fn_bound_2<F, I>(_m: Lt<'_, I>, _f: F) -> Lt<'_, I> | -LL | fn fn_bound_2<'a, F, I>(_m: Lt<'a, I>, _f: F) -> Lt<'a, I> - | ^^ error: the following explicit lifetimes could be elided: 's - --> $DIR/needless_lifetimes.rs:146:5 + --> $DIR/needless_lifetimes.rs:153:5 | LL | fn self_and_out<'s>(&'s self) -> &'s u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn self_and_out<'s>(&'s self) -> &'s u8 { +LL + fn self_and_out(&self) -> &u8 { + | error: the following explicit lifetimes could be elided: 't - --> $DIR/needless_lifetimes.rs:153:5 + --> $DIR/needless_lifetimes.rs:160:5 | LL | fn self_and_in_out_1<'s, 't>(&'s self, _x: &'t u8) -> &'s u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn self_and_in_out_1<'s, 't>(&'s self, _x: &'t u8) -> &'s u8 { +LL + fn self_and_in_out_1<'s>(&'s self, _x: &u8) -> &'s u8 { + | error: the following explicit lifetimes could be elided: 's - --> $DIR/needless_lifetimes.rs:160:5 + --> $DIR/needless_lifetimes.rs:167:5 | LL | fn self_and_in_out_2<'s, 't>(&'s self, x: &'t u8) -> &'t u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn self_and_in_out_2<'s, 't>(&'s self, x: &'t u8) -> &'t u8 { +LL + fn self_and_in_out_2<'t>(&self, x: &'t u8) -> &'t u8 { + | error: the following explicit lifetimes could be elided: 's, 't - --> $DIR/needless_lifetimes.rs:164:5 + --> $DIR/needless_lifetimes.rs:171:5 | LL | fn distinct_self_and_in<'s, 't>(&'s self, _x: &'t u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn distinct_self_and_in<'s, 't>(&'s self, _x: &'t u8) {} +LL + fn distinct_self_and_in(&self, _x: &u8) {} + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:183:1 + --> $DIR/needless_lifetimes.rs:190:1 | LL | fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: replace with `'_` in generic arguments such as here - --> $DIR/needless_lifetimes.rs:183:33 +help: elide the lifetimes + | +LL - fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str { +LL + fn struct_with_lt(_foo: Foo<'_>) -> &str { | -LL | fn struct_with_lt<'a>(_foo: Foo<'a>) -> &'a str { - | ^^ error: the following explicit lifetimes could be elided: 'b - --> $DIR/needless_lifetimes.rs:201:1 + --> $DIR/needless_lifetimes.rs:208:1 | LL | fn struct_with_lt4a<'a, 'b>(_foo: &'a Foo<'b>) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: replace with `'_` in generic arguments such as here - --> $DIR/needless_lifetimes.rs:201:43 +help: elide the lifetimes + | +LL - fn struct_with_lt4a<'a, 'b>(_foo: &'a Foo<'b>) -> &'a str { +LL + fn struct_with_lt4a<'a>(_foo: &'a Foo<'_>) -> &'a str { | -LL | fn struct_with_lt4a<'a, 'b>(_foo: &'a Foo<'b>) -> &'a str { - | ^^ error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:209:1 + --> $DIR/needless_lifetimes.rs:216:1 | LL | fn struct_with_lt4b<'a, 'b>(_foo: &'a Foo<'b>) -> &'b str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn struct_with_lt4b<'a, 'b>(_foo: &'a Foo<'b>) -> &'b str { +LL + fn struct_with_lt4b<'b>(_foo: &Foo<'b>) -> &'b str { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:224:1 + --> $DIR/needless_lifetimes.rs:231:1 | LL | fn trait_obj_elided2<'a>(_arg: &'a dyn Drop) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn trait_obj_elided2<'a>(_arg: &'a dyn Drop) -> &'a str { +LL + fn trait_obj_elided2(_arg: &dyn Drop) -> &str { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:230:1 + --> $DIR/needless_lifetimes.rs:237:1 | LL | fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: replace with `'_` in generic arguments such as here - --> $DIR/needless_lifetimes.rs:230:37 +help: elide the lifetimes + | +LL - fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str { +LL + fn alias_with_lt(_foo: FooAlias<'_>) -> &str { | -LL | fn alias_with_lt<'a>(_foo: FooAlias<'a>) -> &'a str { - | ^^ error: the following explicit lifetimes could be elided: 'b - --> $DIR/needless_lifetimes.rs:248:1 + --> $DIR/needless_lifetimes.rs:255:1 | LL | fn alias_with_lt4a<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'a str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: replace with `'_` in generic arguments such as here - --> $DIR/needless_lifetimes.rs:248:47 +help: elide the lifetimes + | +LL - fn alias_with_lt4a<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'a str { +LL + fn alias_with_lt4a<'a>(_foo: &'a FooAlias<'_>) -> &'a str { | -LL | fn alias_with_lt4a<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'a str { - | ^^ error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:256:1 + --> $DIR/needless_lifetimes.rs:263:1 | LL | fn alias_with_lt4b<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'b str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn alias_with_lt4b<'a, 'b>(_foo: &'a FooAlias<'b>) -> &'b str { +LL + fn alias_with_lt4b<'b>(_foo: &FooAlias<'b>) -> &'b str { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:260:1 + --> $DIR/needless_lifetimes.rs:267:1 | LL | fn named_input_elided_output<'a>(_arg: &'a str) -> &str { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn named_input_elided_output<'a>(_arg: &'a str) -> &str { +LL + fn named_input_elided_output(_arg: &str) -> &str { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:268:1 + --> $DIR/needless_lifetimes.rs:275:1 | LL | fn trait_bound_ok<'a, T: WithLifetime<'static>>(_: &'a u8, _: T) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn trait_bound_ok<'a, T: WithLifetime<'static>>(_: &'a u8, _: T) { +LL + fn trait_bound_ok<T: WithLifetime<'static>>(_: &u8, _: T) { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:304:1 + --> $DIR/needless_lifetimes.rs:311:1 | LL | fn out_return_type_lts<'a>(e: &'a str) -> Cow<'a> { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | -help: replace with `'_` in generic arguments such as here - --> $DIR/needless_lifetimes.rs:304:47 +help: elide the lifetimes + | +LL - fn out_return_type_lts<'a>(e: &'a str) -> Cow<'a> { +LL + fn out_return_type_lts(e: &str) -> Cow<'_> { | -LL | fn out_return_type_lts<'a>(e: &'a str) -> Cow<'a> { - | ^^ error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:311:9 + --> $DIR/needless_lifetimes.rs:318:9 | LL | fn needless_lt<'a>(x: &'a u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn needless_lt<'a>(x: &'a u8) {} +LL + fn needless_lt(x: &u8) {} + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:315:9 + --> $DIR/needless_lifetimes.rs:322:9 | LL | fn needless_lt<'a>(_x: &'a u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn needless_lt<'a>(_x: &'a u8) {} +LL + fn needless_lt(_x: &u8) {} + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:328:9 + --> $DIR/needless_lifetimes.rs:335:9 | LL | fn baz<'a>(&'a self) -> impl Foo + 'a { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn baz<'a>(&'a self) -> impl Foo + 'a { +LL + fn baz(&self) -> impl Foo + '_ { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:360:5 + --> $DIR/needless_lifetimes.rs:367:5 | LL | fn impl_trait_elidable_nested_anonymous_lifetimes<'a>(i: &'a i32, f: impl Fn(&i32) -> &i32) -> &'a i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn impl_trait_elidable_nested_anonymous_lifetimes<'a>(i: &'a i32, f: impl Fn(&i32) -> &i32) -> &'a i32 { +LL + fn impl_trait_elidable_nested_anonymous_lifetimes(i: &i32, f: impl Fn(&i32) -> &i32) -> &i32 { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:369:5 + --> $DIR/needless_lifetimes.rs:376:5 | LL | fn generics_elidable<'a, T: Fn(&i32) -> &i32>(i: &'a i32, f: T) -> &'a i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn generics_elidable<'a, T: Fn(&i32) -> &i32>(i: &'a i32, f: T) -> &'a i32 { +LL + fn generics_elidable<T: Fn(&i32) -> &i32>(i: &i32, f: T) -> &i32 { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:381:5 + --> $DIR/needless_lifetimes.rs:388:5 | LL | fn where_clause_elidadable<'a, T>(i: &'a i32, f: T) -> &'a i32 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn where_clause_elidadable<'a, T>(i: &'a i32, f: T) -> &'a i32 +LL + fn where_clause_elidadable<T>(i: &i32, f: T) -> &i32 + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:396:5 + --> $DIR/needless_lifetimes.rs:403:5 | LL | fn pointer_fn_elidable<'a>(i: &'a i32, f: fn(&i32) -> &i32) -> &'a i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn pointer_fn_elidable<'a>(i: &'a i32, f: fn(&i32) -> &i32) -> &'a i32 { +LL + fn pointer_fn_elidable(i: &i32, f: fn(&i32) -> &i32) -> &i32 { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:409:5 + --> $DIR/needless_lifetimes.rs:416:5 | LL | fn nested_fn_pointer_3<'a>(_: &'a i32) -> fn(fn(&i32) -> &i32) -> i32 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn nested_fn_pointer_3<'a>(_: &'a i32) -> fn(fn(&i32) -> &i32) -> i32 { +LL + fn nested_fn_pointer_3(_: &i32) -> fn(fn(&i32) -> &i32) -> i32 { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:412:5 + --> $DIR/needless_lifetimes.rs:419:5 | LL | fn nested_fn_pointer_4<'a>(_: &'a i32) -> impl Fn(fn(&i32)) { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn nested_fn_pointer_4<'a>(_: &'a i32) -> impl Fn(fn(&i32)) { +LL + fn nested_fn_pointer_4(_: &i32) -> impl Fn(fn(&i32)) { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:434:9 + --> $DIR/needless_lifetimes.rs:441:9 | LL | fn implicit<'a>(&'a self) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn implicit<'a>(&'a self) -> &'a () { +LL + fn implicit(&self) -> &() { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:437:9 + --> $DIR/needless_lifetimes.rs:444:9 | LL | fn implicit_mut<'a>(&'a mut self) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn implicit_mut<'a>(&'a mut self) -> &'a () { +LL + fn implicit_mut(&mut self) -> &() { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:448:9 + --> $DIR/needless_lifetimes.rs:455:9 | LL | fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a () { +LL + fn lifetime_elsewhere(self: Box<Self>, here: &()) -> &() { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:454:9 + --> $DIR/needless_lifetimes.rs:461:9 | LL | fn implicit<'a>(&'a self) -> &'a (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn implicit<'a>(&'a self) -> &'a (); +LL + fn implicit(&self) -> &(); + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:455:9 + --> $DIR/needless_lifetimes.rs:462:9 | LL | fn implicit_provided<'a>(&'a self) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn implicit_provided<'a>(&'a self) -> &'a () { +LL + fn implicit_provided(&self) -> &() { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:464:9 + --> $DIR/needless_lifetimes.rs:471:9 | LL | fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a (); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn lifetime_elsewhere<'a>(self: Box<Self>, here: &'a ()) -> &'a (); +LL + fn lifetime_elsewhere(self: Box<Self>, here: &()) -> &(); + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:465:9 + --> $DIR/needless_lifetimes.rs:472:9 | LL | fn lifetime_elsewhere_provided<'a>(self: Box<Self>, here: &'a ()) -> &'a () { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn lifetime_elsewhere_provided<'a>(self: Box<Self>, here: &'a ()) -> &'a () { +LL + fn lifetime_elsewhere_provided(self: Box<Self>, here: &()) -> &() { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:474:5 + --> $DIR/needless_lifetimes.rs:481:5 | LL | fn foo<'a>(x: &'a u8, y: &'_ u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn foo<'a>(x: &'a u8, y: &'_ u8) {} +LL + fn foo(x: &u8, y: &'_ u8) {} + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:476:5 + --> $DIR/needless_lifetimes.rs:483:5 | LL | fn bar<'a>(x: &'a u8, y: &'_ u8, z: &'_ u8) {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn bar<'a>(x: &'a u8, y: &'_ u8, z: &'_ u8) {} +LL + fn bar(x: &u8, y: &'_ u8, z: &'_ u8) {} + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:483:5 + --> $DIR/needless_lifetimes.rs:490:5 | LL | fn one_input<'a>(x: &'a u8) -> &'a u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn one_input<'a>(x: &'a u8) -> &'a u8 { +LL + fn one_input(x: &u8) -> &u8 { + | error: the following explicit lifetimes could be elided: 'a - --> $DIR/needless_lifetimes.rs:488:5 + --> $DIR/needless_lifetimes.rs:495:5 | LL | fn multiple_inputs_output_not_elided<'a, 'b>(x: &'a u8, y: &'b u8, z: &'b u8) -> &'b u8 { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + | +help: elide the lifetimes + | +LL - fn multiple_inputs_output_not_elided<'a, 'b>(x: &'a u8, y: &'b u8, z: &'b u8) -> &'b u8 { +LL + fn multiple_inputs_output_not_elided<'b>(x: &u8, y: &'b u8, z: &'b u8) -> &'b u8 { + | + +error: the following explicit lifetimes could be elided: 'a + --> $DIR/needless_lifetimes.rs:508:13 + | +LL | fn one_input<'a>(x: &'a u8) -> &'a u8 { + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ +... +LL | local_one_input_macro!(); + | ------------------------ in this macro invocation + | + = note: this error originates in the macro `local_one_input_macro` (in Nightly builds, run with -Z macro-backtrace for more info) +help: elide the lifetimes + | +LL - fn one_input<'a>(x: &'a u8) -> &'a u8 { +LL + fn one_input(x: &u8) -> &u8 { + | -error: aborting due to 45 previous errors +error: aborting due to 46 previous errors diff --git a/src/tools/clippy/tests/ui/needless_range_loop.stderr b/src/tools/clippy/tests/ui/needless_range_loop.stderr index b31544ec334..cffa19bec3a 100644 --- a/src/tools/clippy/tests/ui/needless_range_loop.stderr +++ b/src/tools/clippy/tests/ui/needless_range_loop.stderr @@ -49,7 +49,7 @@ error: the loop variable `i` is used to index `vec` LL | for i in 0..vec.len() { | ^^^^^^^^^^^^ | -help: consider using an iterator +help: consider using an iterator and enumerate() | LL | for (i, <item>) in vec.iter().enumerate() { | ~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~ @@ -126,7 +126,7 @@ error: the loop variable `i` is used to index `vec` LL | for i in 5..vec.len() { | ^^^^^^^^^^^^ | -help: consider using an iterator +help: consider using an iterator and enumerate() | LL | for (i, <item>) in vec.iter().enumerate().skip(5) { | ~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -137,7 +137,7 @@ error: the loop variable `i` is used to index `vec` LL | for i in 5..10 { | ^^^^^ | -help: consider using an iterator +help: consider using an iterator and enumerate() | LL | for (i, <item>) in vec.iter().enumerate().take(10).skip(5) { | ~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -148,7 +148,7 @@ error: the loop variable `i` is used to index `vec` LL | for i in 0..vec.len() { | ^^^^^^^^^^^^ | -help: consider using an iterator +help: consider using an iterator and enumerate() | LL | for (i, <item>) in vec.iter_mut().enumerate() { | ~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~ diff --git a/src/tools/clippy/tests/ui/new_without_default.rs b/src/tools/clippy/tests/ui/new_without_default.rs index 65809023f8d..7803418cb04 100644 --- a/src/tools/clippy/tests/ui/new_without_default.rs +++ b/src/tools/clippy/tests/ui/new_without_default.rs @@ -1,4 +1,9 @@ -#![allow(dead_code, clippy::missing_safety_doc, clippy::extra_unused_lifetimes)] +#![allow( + dead_code, + clippy::missing_safety_doc, + clippy::extra_unused_lifetimes, + clippy::extra_unused_type_parameters +)] #![warn(clippy::new_without_default)] pub struct Foo; diff --git a/src/tools/clippy/tests/ui/new_without_default.stderr b/src/tools/clippy/tests/ui/new_without_default.stderr index 212a69ab94e..583dd327d6a 100644 --- a/src/tools/clippy/tests/ui/new_without_default.stderr +++ b/src/tools/clippy/tests/ui/new_without_default.stderr @@ -1,5 +1,5 @@ error: you should consider adding a `Default` implementation for `Foo` - --> $DIR/new_without_default.rs:7:5 + --> $DIR/new_without_default.rs:12:5 | LL | / pub fn new() -> Foo { LL | | Foo @@ -17,7 +17,7 @@ LL + } | error: you should consider adding a `Default` implementation for `Bar` - --> $DIR/new_without_default.rs:15:5 + --> $DIR/new_without_default.rs:20:5 | LL | / pub fn new() -> Self { LL | | Bar @@ -34,7 +34,7 @@ LL + } | error: you should consider adding a `Default` implementation for `LtKo<'c>` - --> $DIR/new_without_default.rs:79:5 + --> $DIR/new_without_default.rs:84:5 | LL | / pub fn new() -> LtKo<'c> { LL | | unimplemented!() @@ -51,7 +51,7 @@ LL + } | error: you should consider adding a `Default` implementation for `NewNotEqualToDerive` - --> $DIR/new_without_default.rs:172:5 + --> $DIR/new_without_default.rs:177:5 | LL | / pub fn new() -> Self { LL | | NewNotEqualToDerive { foo: 1 } @@ -68,7 +68,7 @@ LL + } | error: you should consider adding a `Default` implementation for `FooGenerics<T>` - --> $DIR/new_without_default.rs:180:5 + --> $DIR/new_without_default.rs:185:5 | LL | / pub fn new() -> Self { LL | | Self(Default::default()) @@ -85,7 +85,7 @@ LL + } | error: you should consider adding a `Default` implementation for `BarGenerics<T>` - --> $DIR/new_without_default.rs:187:5 + --> $DIR/new_without_default.rs:192:5 | LL | / pub fn new() -> Self { LL | | Self(Default::default()) @@ -102,7 +102,7 @@ LL + } | error: you should consider adding a `Default` implementation for `Foo<T>` - --> $DIR/new_without_default.rs:198:9 + --> $DIR/new_without_default.rs:203:9 | LL | / pub fn new() -> Self { LL | | todo!() diff --git a/src/tools/clippy/tests/ui/redundant_field_names.fixed b/src/tools/clippy/tests/ui/redundant_field_names.fixed index ec7f8ae923a..276266a2dd8 100644 --- a/src/tools/clippy/tests/ui/redundant_field_names.fixed +++ b/src/tools/clippy/tests/ui/redundant_field_names.fixed @@ -1,7 +1,7 @@ // run-rustfix #![warn(clippy::redundant_field_names)] -#![allow(clippy::no_effect, dead_code, unused_variables)] +#![allow(clippy::extra_unused_type_parameters, clippy::no_effect, dead_code, unused_variables)] #[macro_use] extern crate derive_new; diff --git a/src/tools/clippy/tests/ui/redundant_field_names.rs b/src/tools/clippy/tests/ui/redundant_field_names.rs index 73122016cf6..f674141c138 100644 --- a/src/tools/clippy/tests/ui/redundant_field_names.rs +++ b/src/tools/clippy/tests/ui/redundant_field_names.rs @@ -1,7 +1,7 @@ // run-rustfix #![warn(clippy::redundant_field_names)] -#![allow(clippy::no_effect, dead_code, unused_variables)] +#![allow(clippy::extra_unused_type_parameters, clippy::no_effect, dead_code, unused_variables)] #[macro_use] extern crate derive_new; diff --git a/src/tools/clippy/tests/ui/regex.rs b/src/tools/clippy/tests/ui/regex.rs index f0e1a8128d7..ab8ac97a0e7 100644 --- a/src/tools/clippy/tests/ui/regex.rs +++ b/src/tools/clippy/tests/ui/regex.rs @@ -36,6 +36,10 @@ fn syntax_error() { let raw_string_error = Regex::new(r"[...\/...]"); let raw_string_error = Regex::new(r#"[...\/...]"#); + + let escaped_string_span = Regex::new("\\b\\c"); + + let aux_span = Regex::new("(?ixi)"); } fn trivial_regex() { diff --git a/src/tools/clippy/tests/ui/regex.stderr b/src/tools/clippy/tests/ui/regex.stderr index 2424644c6f6..c2440f39e0a 100644 --- a/src/tools/clippy/tests/ui/regex.stderr +++ b/src/tools/clippy/tests/ui/regex.stderr @@ -29,7 +29,10 @@ error: regex syntax error: invalid character class range, the start must be <= t LL | let some_unicode = Regex::new("[é-è]"); | ^^^ -error: regex syntax error on position 0: unclosed group +error: regex parse error: + ( + ^ + error: unclosed group --> $DIR/regex.rs:18:33 | LL | let some_regex = Regex::new(OPENING_PAREN); @@ -43,25 +46,37 @@ LL | let binary_pipe_in_wrong_position = BRegex::new("|"); | = help: the regex is unlikely to be useful as it is -error: regex syntax error on position 0: unclosed group +error: regex parse error: + ( + ^ + error: unclosed group --> $DIR/regex.rs:21:41 | LL | let some_binary_regex = BRegex::new(OPENING_PAREN); | ^^^^^^^^^^^^^ -error: regex syntax error on position 0: unclosed group +error: regex parse error: + ( + ^ + error: unclosed group --> $DIR/regex.rs:22:56 | LL | let some_binary_regex_builder = BRegexBuilder::new(OPENING_PAREN); | ^^^^^^^^^^^^^ -error: regex syntax error on position 0: unclosed group +error: regex parse error: + ( + ^ + error: unclosed group --> $DIR/regex.rs:34:37 | LL | let set_error = RegexSet::new(&[OPENING_PAREN, r"[a-z]+/.(com|org|net)"]); | ^^^^^^^^^^^^^ -error: regex syntax error on position 0: unclosed group +error: regex parse error: + ( + ^ + error: unclosed group --> $DIR/regex.rs:35:39 | LL | let bset_error = BRegexSet::new(&[OPENING_PAREN, r"[a-z]+/.(com|org|net)"]); @@ -79,8 +94,25 @@ error: regex syntax error: unrecognized escape sequence LL | let raw_string_error = Regex::new(r#"[...//...]"#); | ^^ +error: regex parse error: + /b/c + ^^ + error: unrecognized escape sequence + --> $DIR/regex.rs:40:42 + | +LL | let escaped_string_span = Regex::new("/b/c"); + | ^^^^^^^^ + | + = help: consider using a raw string literal: `r".."` + +error: regex syntax error: duplicate flag + --> $DIR/regex.rs:42:34 + | +LL | let aux_span = Regex::new("(?ixi)"); + | ^ ^ + error: trivial regex - --> $DIR/regex.rs:42:33 + --> $DIR/regex.rs:46:33 | LL | let trivial_eq = Regex::new("^foobar$"); | ^^^^^^^^^^ @@ -88,7 +120,7 @@ LL | let trivial_eq = Regex::new("^foobar$"); = help: consider using `==` on `str`s error: trivial regex - --> $DIR/regex.rs:44:48 + --> $DIR/regex.rs:48:48 | LL | let trivial_eq_builder = RegexBuilder::new("^foobar$"); | ^^^^^^^^^^ @@ -96,7 +128,7 @@ LL | let trivial_eq_builder = RegexBuilder::new("^foobar$"); = help: consider using `==` on `str`s error: trivial regex - --> $DIR/regex.rs:46:42 + --> $DIR/regex.rs:50:42 | LL | let trivial_starts_with = Regex::new("^foobar"); | ^^^^^^^^^ @@ -104,7 +136,7 @@ LL | let trivial_starts_with = Regex::new("^foobar"); = help: consider using `str::starts_with` error: trivial regex - --> $DIR/regex.rs:48:40 + --> $DIR/regex.rs:52:40 | LL | let trivial_ends_with = Regex::new("foobar$"); | ^^^^^^^^^ @@ -112,7 +144,7 @@ LL | let trivial_ends_with = Regex::new("foobar$"); = help: consider using `str::ends_with` error: trivial regex - --> $DIR/regex.rs:50:39 + --> $DIR/regex.rs:54:39 | LL | let trivial_contains = Regex::new("foobar"); | ^^^^^^^^ @@ -120,7 +152,7 @@ LL | let trivial_contains = Regex::new("foobar"); = help: consider using `str::contains` error: trivial regex - --> $DIR/regex.rs:52:39 + --> $DIR/regex.rs:56:39 | LL | let trivial_contains = Regex::new(NOT_A_REAL_REGEX); | ^^^^^^^^^^^^^^^^ @@ -128,7 +160,7 @@ LL | let trivial_contains = Regex::new(NOT_A_REAL_REGEX); = help: consider using `str::contains` error: trivial regex - --> $DIR/regex.rs:54:40 + --> $DIR/regex.rs:58:40 | LL | let trivial_backslash = Regex::new("a/.b"); | ^^^^^^^ @@ -136,7 +168,7 @@ LL | let trivial_backslash = Regex::new("a/.b"); = help: consider using `str::contains` error: trivial regex - --> $DIR/regex.rs:57:36 + --> $DIR/regex.rs:61:36 | LL | let trivial_empty = Regex::new(""); | ^^ @@ -144,7 +176,7 @@ LL | let trivial_empty = Regex::new(""); = help: the regex is unlikely to be useful as it is error: trivial regex - --> $DIR/regex.rs:59:36 + --> $DIR/regex.rs:63:36 | LL | let trivial_empty = Regex::new("^"); | ^^^ @@ -152,7 +184,7 @@ LL | let trivial_empty = Regex::new("^"); = help: the regex is unlikely to be useful as it is error: trivial regex - --> $DIR/regex.rs:61:36 + --> $DIR/regex.rs:65:36 | LL | let trivial_empty = Regex::new("^$"); | ^^^^ @@ -160,12 +192,12 @@ LL | let trivial_empty = Regex::new("^$"); = help: consider using `str::is_empty` error: trivial regex - --> $DIR/regex.rs:63:44 + --> $DIR/regex.rs:67:44 | LL | let binary_trivial_empty = BRegex::new("^$"); | ^^^^ | = help: consider using `str::is_empty` -error: aborting due to 23 previous errors +error: aborting due to 25 previous errors diff --git a/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.fixed b/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.fixed index 713cff604a1..dc24d447c60 100644 --- a/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.fixed +++ b/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.fixed @@ -26,7 +26,7 @@ fn seek_to_start_false_method(t: &mut StructWithSeekMethod) { // This should NOT trigger clippy warning because // StructWithSeekMethod does not implement std::io::Seek; -fn seek_to_start_method_owned_false<T>(mut t: StructWithSeekMethod) { +fn seek_to_start_method_owned_false(mut t: StructWithSeekMethod) { t.seek(SeekFrom::Start(0)); } @@ -38,7 +38,7 @@ fn seek_to_start_false_trait(t: &mut StructWithSeekTrait) { // This should NOT trigger clippy warning because // StructWithSeekMethod does not implement std::io::Seek; -fn seek_to_start_false_trait_owned<T>(mut t: StructWithSeekTrait) { +fn seek_to_start_false_trait_owned(mut t: StructWithSeekTrait) { t.seek(SeekFrom::Start(0)); } diff --git a/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.rs b/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.rs index 467003a1a66..4adde2c4018 100644 --- a/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.rs +++ b/src/tools/clippy/tests/ui/seek_to_start_instead_of_rewind.rs @@ -26,7 +26,7 @@ fn seek_to_start_false_method(t: &mut StructWithSeekMethod) { // This should NOT trigger clippy warning because // StructWithSeekMethod does not implement std::io::Seek; -fn seek_to_start_method_owned_false<T>(mut t: StructWithSeekMethod) { +fn seek_to_start_method_owned_false(mut t: StructWithSeekMethod) { t.seek(SeekFrom::Start(0)); } @@ -38,7 +38,7 @@ fn seek_to_start_false_trait(t: &mut StructWithSeekTrait) { // This should NOT trigger clippy warning because // StructWithSeekMethod does not implement std::io::Seek; -fn seek_to_start_false_trait_owned<T>(mut t: StructWithSeekTrait) { +fn seek_to_start_false_trait_owned(mut t: StructWithSeekTrait) { t.seek(SeekFrom::Start(0)); } diff --git a/src/tools/clippy/tests/ui/suspicious_to_owned.stderr b/src/tools/clippy/tests/ui/suspicious_to_owned.stderr index dec3f50d6f1..c4ec7aa88a2 100644 --- a/src/tools/clippy/tests/ui/suspicious_to_owned.stderr +++ b/src/tools/clippy/tests/ui/suspicious_to_owned.stderr @@ -2,27 +2,62 @@ error: this `to_owned` call clones the Cow<'_, str> itself and does not cause th --> $DIR/suspicious_to_owned.rs:16:13 | LL | let _ = cow.to_owned(); - | ^^^^^^^^^^^^^^ help: consider using, depending on intent: `cow.clone()` or `cow.into_owned()` + | ^^^^^^^^^^^^^^ | = note: `-D clippy::suspicious-to-owned` implied by `-D warnings` +help: depending on intent, either make the Cow an Owned variant + | +LL | let _ = cow.into_owned(); + | ~~~~~~~~~~~~~~~~ +help: or clone the Cow itself + | +LL | let _ = cow.clone(); + | ~~~~~~~~~~~ error: this `to_owned` call clones the Cow<'_, [char; 3]> itself and does not cause the Cow<'_, [char; 3]> contents to become owned --> $DIR/suspicious_to_owned.rs:26:13 | LL | let _ = cow.to_owned(); - | ^^^^^^^^^^^^^^ help: consider using, depending on intent: `cow.clone()` or `cow.into_owned()` + | ^^^^^^^^^^^^^^ + | +help: depending on intent, either make the Cow an Owned variant + | +LL | let _ = cow.into_owned(); + | ~~~~~~~~~~~~~~~~ +help: or clone the Cow itself + | +LL | let _ = cow.clone(); + | ~~~~~~~~~~~ error: this `to_owned` call clones the Cow<'_, Vec<char>> itself and does not cause the Cow<'_, Vec<char>> contents to become owned --> $DIR/suspicious_to_owned.rs:36:13 | LL | let _ = cow.to_owned(); - | ^^^^^^^^^^^^^^ help: consider using, depending on intent: `cow.clone()` or `cow.into_owned()` + | ^^^^^^^^^^^^^^ + | +help: depending on intent, either make the Cow an Owned variant + | +LL | let _ = cow.into_owned(); + | ~~~~~~~~~~~~~~~~ +help: or clone the Cow itself + | +LL | let _ = cow.clone(); + | ~~~~~~~~~~~ error: this `to_owned` call clones the Cow<'_, str> itself and does not cause the Cow<'_, str> contents to become owned --> $DIR/suspicious_to_owned.rs:46:13 | LL | let _ = cow.to_owned(); - | ^^^^^^^^^^^^^^ help: consider using, depending on intent: `cow.clone()` or `cow.into_owned()` + | ^^^^^^^^^^^^^^ + | +help: depending on intent, either make the Cow an Owned variant + | +LL | let _ = cow.into_owned(); + | ~~~~~~~~~~~~~~~~ +help: or clone the Cow itself + | +LL | let _ = cow.clone(); + | ~~~~~~~~~~~ error: implicitly cloning a `String` by calling `to_owned` on its dereferenced type --> $DIR/suspicious_to_owned.rs:60:13 diff --git a/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs b/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs index 2eca1f4701c..8b4613b3f6e 100644 --- a/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs +++ b/src/tools/clippy/tests/ui/type_repetition_in_bounds.rs @@ -1,4 +1,5 @@ #![deny(clippy::type_repetition_in_bounds)] +#![allow(clippy::extra_unused_type_parameters)] use std::ops::{Add, AddAssign, Div, DivAssign, Mul, MulAssign, Sub, SubAssign}; diff --git a/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr b/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr index 70d700c1cc4..a90df03c04f 100644 --- a/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr +++ b/src/tools/clippy/tests/ui/type_repetition_in_bounds.stderr @@ -1,5 +1,5 @@ error: this type has already been used as a bound predicate - --> $DIR/type_repetition_in_bounds.rs:8:5 + --> $DIR/type_repetition_in_bounds.rs:9:5 | LL | T: Clone, | ^^^^^^^^ @@ -12,7 +12,7 @@ LL | #![deny(clippy::type_repetition_in_bounds)] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ error: this type has already been used as a bound predicate - --> $DIR/type_repetition_in_bounds.rs:25:5 + --> $DIR/type_repetition_in_bounds.rs:26:5 | LL | Self: Copy + Default + Ord, | ^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -20,7 +20,7 @@ LL | Self: Copy + Default + Ord, = help: consider combining the bounds: `Self: Clone + Copy + Default + Ord` error: this type has already been used as a bound predicate - --> $DIR/type_repetition_in_bounds.rs:85:5 + --> $DIR/type_repetition_in_bounds.rs:86:5 | LL | T: Clone, | ^^^^^^^^ @@ -28,7 +28,7 @@ LL | T: Clone, = help: consider combining the bounds: `T: ?Sized + Clone` error: this type has already been used as a bound predicate - --> $DIR/type_repetition_in_bounds.rs:90:5 + --> $DIR/type_repetition_in_bounds.rs:91:5 | LL | T: ?Sized, | ^^^^^^^^^ diff --git a/src/tools/clippy/tests/ui/unused_io_amount.rs b/src/tools/clippy/tests/ui/unused_io_amount.rs index 4b059558173..8d3e094b759 100644 --- a/src/tools/clippy/tests/ui/unused_io_amount.rs +++ b/src/tools/clippy/tests/ui/unused_io_amount.rs @@ -63,6 +63,14 @@ fn combine_or(file: &str) -> Result<(), Error> { Ok(()) } +fn is_ok_err<T: io::Read + io::Write>(s: &mut T) { + s.write(b"ok").is_ok(); + s.write(b"err").is_err(); + let mut buf = [0u8; 0]; + s.read(&mut buf).is_ok(); + s.read(&mut buf).is_err(); +} + async fn bad_async_write<W: AsyncWrite + Unpin>(w: &mut W) { w.write(b"hello world").await.unwrap(); } diff --git a/src/tools/clippy/tests/ui/unused_io_amount.stderr b/src/tools/clippy/tests/ui/unused_io_amount.stderr index 7ba7e09c0f0..0865c5213f6 100644 --- a/src/tools/clippy/tests/ui/unused_io_amount.stderr +++ b/src/tools/clippy/tests/ui/unused_io_amount.stderr @@ -82,13 +82,45 @@ LL | | .expect("error"); error: written amount is not handled --> $DIR/unused_io_amount.rs:67:5 | +LL | s.write(b"ok").is_ok(); + | ^^^^^^^^^^^^^^^^^^^^^^ + | + = help: use `Write::write_all` instead, or handle partial writes + +error: written amount is not handled + --> $DIR/unused_io_amount.rs:68:5 + | +LL | s.write(b"err").is_err(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: use `Write::write_all` instead, or handle partial writes + +error: read amount is not handled + --> $DIR/unused_io_amount.rs:70:5 + | +LL | s.read(&mut buf).is_ok(); + | ^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: use `Read::read_exact` instead, or handle partial reads + +error: read amount is not handled + --> $DIR/unused_io_amount.rs:71:5 + | +LL | s.read(&mut buf).is_err(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | + = help: use `Read::read_exact` instead, or handle partial reads + +error: written amount is not handled + --> $DIR/unused_io_amount.rs:75:5 + | LL | w.write(b"hello world").await.unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: use `AsyncWriteExt::write_all` instead, or handle partial writes error: read amount is not handled - --> $DIR/unused_io_amount.rs:72:5 + --> $DIR/unused_io_amount.rs:80:5 | LL | r.read(&mut buf[..]).await.unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -96,7 +128,7 @@ LL | r.read(&mut buf[..]).await.unwrap(); = help: use `AsyncReadExt::read_exact` instead, or handle partial reads error: written amount is not handled - --> $DIR/unused_io_amount.rs:85:9 + --> $DIR/unused_io_amount.rs:93:9 | LL | w.write(b"hello world").await?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -104,7 +136,7 @@ LL | w.write(b"hello world").await?; = help: use `AsyncWriteExt::write_all` instead, or handle partial writes error: read amount is not handled - --> $DIR/unused_io_amount.rs:93:9 + --> $DIR/unused_io_amount.rs:101:9 | LL | r.read(&mut buf[..]).await.or(Err(Error::Kind))?; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -112,7 +144,7 @@ LL | r.read(&mut buf[..]).await.or(Err(Error::Kind))?; = help: use `AsyncReadExt::read_exact` instead, or handle partial reads error: written amount is not handled - --> $DIR/unused_io_amount.rs:101:5 + --> $DIR/unused_io_amount.rs:109:5 | LL | w.write(b"hello world").await.unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ @@ -120,12 +152,12 @@ LL | w.write(b"hello world").await.unwrap(); = help: use `AsyncWriteExt::write_all` instead, or handle partial writes error: read amount is not handled - --> $DIR/unused_io_amount.rs:106:5 + --> $DIR/unused_io_amount.rs:114:5 | LL | r.read(&mut buf[..]).await.unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = help: use `AsyncReadExt::read_exact` instead, or handle partial reads -error: aborting due to 16 previous errors +error: aborting due to 20 previous errors diff --git a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed index 23607497841..293bf75a717 100644 --- a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed +++ b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.fixed @@ -96,7 +96,7 @@ fn main() { } match Enum::A { Enum::A => (), - Enum::B | _ => (), + Enum::B | Enum::__Private => (), } } } diff --git a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr index efecc9576cc..30d29aa4e77 100644 --- a/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr +++ b/src/tools/clippy/tests/ui/wildcard_enum_match_arm.stderr @@ -34,11 +34,11 @@ error: wildcard matches known variants and will also match future added variants LL | _ => {}, | ^ help: try this: `ErrorKind::PermissionDenied | _` -error: wildcard matches known variants and will also match future added variants +error: wildcard match will also match any future added variants --> $DIR/wildcard_enum_match_arm.rs:99:13 | LL | _ => (), - | ^ help: try this: `Enum::B | _` + | ^ help: try this: `Enum::B | Enum::__Private` error: aborting due to 6 previous errors diff --git a/src/tools/compiletest/Cargo.toml b/src/tools/compiletest/Cargo.toml index 1911f0f9c94..deed6fbd439 100644 --- a/src/tools/compiletest/Cargo.toml +++ b/src/tools/compiletest/Cargo.toml @@ -9,6 +9,7 @@ diff = "0.1.10" unified-diff = "0.2.1" getopts = "0.2" miropt-test-tools = { path = "../miropt-test-tools" } +build_helper = { path = "../build_helper" } tracing = "0.1" tracing-subscriber = { version = "0.3.3", default-features = false, features = ["fmt", "env-filter", "smallvec", "parking_lot", "ansi"] } regex = "1.0" diff --git a/src/tools/compiletest/src/common.rs b/src/tools/compiletest/src/common.rs index 3676f69b100..7fe2e6257d9 100644 --- a/src/tools/compiletest/src/common.rs +++ b/src/tools/compiletest/src/common.rs @@ -380,6 +380,9 @@ pub struct Config { /// Whether to rerun tests even if the inputs are unchanged. pub force_rerun: bool, + /// Only rerun the tests that result has been modified accoring to Git status + pub only_modified: bool, + pub target_cfg: LazyCell<TargetCfg>, } diff --git a/src/tools/compiletest/src/header.rs b/src/tools/compiletest/src/header.rs index 45fd87bea9b..e11ebca6ea9 100644 --- a/src/tools/compiletest/src/header.rs +++ b/src/tools/compiletest/src/header.rs @@ -941,6 +941,7 @@ pub fn make_test_description<R: Read>( let has_hwasan = util::HWASAN_SUPPORTED_TARGETS.contains(&&*config.target); let has_memtag = util::MEMTAG_SUPPORTED_TARGETS.contains(&&*config.target); let has_shadow_call_stack = util::SHADOWCALLSTACK_SUPPORTED_TARGETS.contains(&&*config.target); + let has_xray = util::XRAY_SUPPORTED_TARGETS.contains(&&*config.target); // For tests using the `needs-rust-lld` directive (e.g. for `-Zgcc-ld=lld`), we need to find // whether `rust-lld` is present in the compiler under test. @@ -1019,6 +1020,7 @@ pub fn make_test_description<R: Read>( && config.parse_name_directive(ln, "needs-sanitizer-shadow-call-stack") ); reason!(!config.can_unwind() && config.parse_name_directive(ln, "needs-unwind")); + reason!(!has_xray && config.parse_name_directive(ln, "needs-xray")); reason!( config.target == "wasm32-unknown-unknown" && config.parse_name_directive(ln, directives::CHECK_RUN_RESULTS) diff --git a/src/tools/compiletest/src/main.rs b/src/tools/compiletest/src/main.rs index 3092c656cd7..c648b2f12f1 100644 --- a/src/tools/compiletest/src/main.rs +++ b/src/tools/compiletest/src/main.rs @@ -8,15 +8,17 @@ extern crate test; use crate::common::{expected_output_path, output_base_dir, output_relative_path, UI_EXTENSIONS}; use crate::common::{CompareMode, Config, Debugger, Mode, PassMode, TestPaths}; use crate::util::logv; +use build_helper::git::{get_git_modified_files, get_git_untracked_files}; +use core::panic; use getopts::Options; use lazycell::LazyCell; -use std::env; use std::ffi::OsString; use std::fs; use std::io::{self, ErrorKind}; use std::path::{Path, PathBuf}; use std::process::{Command, Stdio}; use std::time::SystemTime; +use std::{env, vec}; use test::ColorConfig; use tracing::*; use walkdir::WalkDir; @@ -145,9 +147,10 @@ pub fn parse_config(args: Vec<String>) -> Config { "", "rustfix-coverage", "enable this to generate a Rustfix coverage file, which is saved in \ - `./<build_base>/rustfix_missing_coverage.txt`", + `./<build_base>/rustfix_missing_coverage.txt`", ) .optflag("", "force-rerun", "rerun tests even if the inputs are unchanged") + .optflag("", "only-modified", "only run tests that result been modified") .optflag("h", "help", "show this message") .reqopt("", "channel", "current Rust channel", "CHANNEL") .optopt("", "edition", "default Rust edition", "EDITION"); @@ -279,6 +282,7 @@ pub fn parse_config(args: Vec<String>) -> Config { lldb_python_dir: matches.opt_str("lldb-python-dir"), verbose: matches.opt_present("verbose"), quiet: matches.opt_present("quiet"), + only_modified: matches.opt_present("only-modified"), color, remote_test_client: matches.opt_str("remote-test-client").map(PathBuf::from), compare_mode: matches.opt_str("compare-mode").map(CompareMode::parse), @@ -521,8 +525,18 @@ pub fn test_opts(config: &Config) -> test::TestOpts { pub fn make_tests(config: &Config, tests: &mut Vec<test::TestDescAndFn>) { debug!("making tests from {:?}", config.src_base.display()); let inputs = common_inputs_stamp(config); - collect_tests_from_dir(config, &config.src_base, &PathBuf::new(), &inputs, tests) - .unwrap_or_else(|_| panic!("Could not read tests from {}", config.src_base.display())); + let modified_tests = modified_tests(config, &config.src_base).unwrap_or_else(|err| { + panic!("modified_tests got error from dir: {}, error: {}", config.src_base.display(), err) + }); + collect_tests_from_dir( + config, + &config.src_base, + &PathBuf::new(), + &inputs, + tests, + &modified_tests, + ) + .unwrap_or_else(|_| panic!("Could not read tests from {}", config.src_base.display())); } /// Returns a stamp constructed from input files common to all test cases. @@ -561,12 +575,35 @@ fn common_inputs_stamp(config: &Config) -> Stamp { stamp } +fn modified_tests(config: &Config, dir: &Path) -> Result<Vec<PathBuf>, String> { + if !config.only_modified { + return Ok(vec![]); + } + let files = + get_git_modified_files(Some(dir), &vec!["rs", "stderr", "fixed"])?.unwrap_or(vec![]); + // Add new test cases to the list, it will be convenient in daily development. + let untracked_files = get_git_untracked_files(None)?.unwrap_or(vec![]); + + let all_paths = [&files[..], &untracked_files[..]].concat(); + let full_paths = { + let mut full_paths: Vec<PathBuf> = all_paths + .into_iter() + .map(|f| fs::canonicalize(&f).unwrap().with_extension("").with_extension("rs")) + .collect(); + full_paths.dedup(); + full_paths.sort_unstable(); + full_paths + }; + Ok(full_paths) +} + fn collect_tests_from_dir( config: &Config, dir: &Path, relative_dir_path: &Path, inputs: &Stamp, tests: &mut Vec<test::TestDescAndFn>, + modified_tests: &Vec<PathBuf>, ) -> io::Result<()> { // Ignore directories that contain a file named `compiletest-ignore-dir`. if dir.join("compiletest-ignore-dir").exists() { @@ -597,7 +634,7 @@ fn collect_tests_from_dir( let file = file?; let file_path = file.path(); let file_name = file.file_name(); - if is_test(&file_name) { + if is_test(&file_name) && (!config.only_modified || modified_tests.contains(&file_path)) { debug!("found test file: {:?}", file_path.display()); let paths = TestPaths { file: file_path, relative_dir: relative_dir_path.to_path_buf() }; @@ -607,7 +644,14 @@ fn collect_tests_from_dir( let relative_file_path = relative_dir_path.join(file.file_name()); if &file_name != "auxiliary" { debug!("found directory: {:?}", file_path.display()); - collect_tests_from_dir(config, &file_path, &relative_file_path, inputs, tests)?; + collect_tests_from_dir( + config, + &file_path, + &relative_file_path, + inputs, + tests, + modified_tests, + )?; } } else { debug!("found other file/directory: {:?}", file_path.display()); diff --git a/src/tools/compiletest/src/util.rs b/src/tools/compiletest/src/util.rs index ff7e8df9878..67f49bb6397 100644 --- a/src/tools/compiletest/src/util.rs +++ b/src/tools/compiletest/src/util.rs @@ -78,6 +78,19 @@ pub const MEMTAG_SUPPORTED_TARGETS: &[&str] = pub const SHADOWCALLSTACK_SUPPORTED_TARGETS: &[&str] = &["aarch64-linux-android"]; +pub const XRAY_SUPPORTED_TARGETS: &[&str] = &[ + "aarch64-linux-android", + "aarch64-unknown-linux-gnu", + "aarch64-unknown-linux-musl", + "x86_64-linux-android", + "x86_64-unknown-freebsd", + "x86_64-unknown-linux-gnu", + "x86_64-unknown-linux-musl", + "x86_64-unknown-netbsd", + "x86_64-unknown-none-linuxkernel", + "x86_64-unknown-openbsd", +]; + pub fn make_new_path(path: &str) -> String { assert!(cfg!(windows)); // Windows just uses PATH as the library search path, so we have to diff --git a/src/tools/miri/rust-version b/src/tools/miri/rust-version index 1be5752242e..b8bfb1b6e5c 100644 --- a/src/tools/miri/rust-version +++ b/src/tools/miri/rust-version @@ -1 +1 @@ -e7acd078f443156b95cee11759a735db1cfc796e +068161ea483b1a80a959476cb3e31e6619a72737 diff --git a/src/tools/miri/src/shims/intrinsics/simd.rs b/src/tools/miri/src/shims/intrinsics/simd.rs index c1b949b1f79..f24ddb887b9 100644 --- a/src/tools/miri/src/shims/intrinsics/simd.rs +++ b/src/tools/miri/src/shims/intrinsics/simd.rs @@ -469,7 +469,7 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> { let ty::Array(_, index_len) = index.layout.ty.kind() else { span_bug!(this.cur_span(), "simd_shuffle index argument has non-array type {}", index.layout.ty) }; - let index_len = index_len.eval_usize(*this.tcx, this.param_env()); + let index_len = index_len.eval_target_usize(*this.tcx, this.param_env()); assert_eq!(left_len, right_len); assert_eq!(index_len, dest_len); diff --git a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/blank_issue.md b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/blank_issue.md deleted file mode 100644 index a08ad07cbf8..00000000000 --- a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/blank_issue.md +++ /dev/null @@ -1,10 +0,0 @@ ---- -name: Blank Issue -about: Create a blank issue. -title: '' -labels: '' -assignees: '' - ---- - - diff --git a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/bug_report.md b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/bug_report.md index c2e21933c9a..5faee21bdb6 100644 --- a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/bug_report.md +++ b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/bug_report.md @@ -2,7 +2,7 @@ name: Bug report about: Create a bug report for rust-analyzer. title: '' -labels: '' +labels: 'C-bug' assignees: '' --- @@ -22,4 +22,4 @@ Otherwise please try to provide information which will help us to fix the issue **rustc version**: (eg. output of `rustc -V`) -**relevant settings**: (eg. client settings, or environment variables like `CARGO`, `RUSTUP_HOME` or `CARGO_HOME`) +**relevant settings**: (eg. client settings, or environment variables like `CARGO`, `RUSTC`, `RUSTUP_HOME` or `CARGO_HOME`) diff --git a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/feature_request.md b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/feature_request.md new file mode 100644 index 00000000000..5207957c459 --- /dev/null +++ b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/feature_request.md @@ -0,0 +1,8 @@ +--- +name: Feature Request +about: Create a feature request for rust-analyzer. +title: '' +labels: 'C-feature' +assignees: '' + +--- diff --git a/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/question.md b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/question.md new file mode 100644 index 00000000000..a90ade882bd --- /dev/null +++ b/src/tools/rust-analyzer/.github/ISSUE_TEMPLATE/question.md @@ -0,0 +1,8 @@ +--- +name: Support Question +about: A question regarding functionality of rust-analyzer. +title: '' +labels: 'C-support' +assignees: '' + +--- diff --git a/src/tools/rust-analyzer/.github/workflows/publish.yml b/src/tools/rust-analyzer/.github/workflows/autopublish.yaml index 73e62ab32c6..279f86b458d 100644 --- a/src/tools/rust-analyzer/.github/workflows/publish.yml +++ b/src/tools/rust-analyzer/.github/workflows/autopublish.yaml @@ -1,4 +1,4 @@ -name: publish +name: autopublish on: workflow_dispatch: # We can add version input when 1.0 is released and scheduled releases are removed @@ -25,7 +25,7 @@ jobs: - name: Install cargo-workspaces run: cargo install cargo-workspaces - - name: Release + - name: Publish Crates env: CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }} PATCH: ${{ github.run_number }} diff --git a/src/tools/rust-analyzer/.github/workflows/fuzz.yml b/src/tools/rust-analyzer/.github/workflows/fuzz.yml new file mode 100644 index 00000000000..5af8aa1f77a --- /dev/null +++ b/src/tools/rust-analyzer/.github/workflows/fuzz.yml @@ -0,0 +1,43 @@ +name: Fuzz +on: + schedule: + # Once a week + - cron: '0 0 * * 0' + push: + paths: + - '.github/workflows/fuzz.yml' + # Allow manual trigger + workflow_dispatch: + +env: + CARGO_INCREMENTAL: 0 + CARGO_NET_RETRY: 10 + CI: 1 + RUST_BACKTRACE: short + RUSTFLAGS: "-D warnings -W unreachable-pub -W bare-trait-objects" + RUSTUP_MAX_RETRIES: 10 + +jobs: + rust: + if: ${{ github.repository == 'rust-lang/rust-analyzer' || github.event.action == 'workflow_dispatch' }} + name: Rust + runs-on: ubuntu-latest + env: + CC: deny_c + + steps: + - name: Checkout repository + uses: actions/checkout@v3 + with: + ref: ${{ github.event.pull_request.head.sha }} + fetch-depth: 1 + + - name: Install Rust toolchain + run: | + rustup install --profile minimal nightly + + - name: Build fuzzers + run: | + cargo install cargo-fuzz + cd crates/syntax + cargo +nightly fuzz build diff --git a/src/tools/rust-analyzer/.github/workflows/publish-libs.yaml b/src/tools/rust-analyzer/.github/workflows/publish-libs.yaml new file mode 100644 index 00000000000..1b843fff1a4 --- /dev/null +++ b/src/tools/rust-analyzer/.github/workflows/publish-libs.yaml @@ -0,0 +1,35 @@ +name: publish-libs +on: + workflow_dispatch: + push: + branches: + - main + paths: + - 'lib/**' + +jobs: + publish-libs: + name: publish + runs-on: ubuntu-latest + steps: + - name: Checkout repository + uses: actions/checkout@v3 + with: + fetch-depth: 0 + + - name: Install Rust toolchain + run: rustup update --no-self-update stable + + - name: Install cargo-workspaces + run: cargo install cargo-workspaces + + - name: Publish Crates + env: + CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }} + shell: bash + run: | + git config --global user.email "runner@gha.local" + git config --global user.name "Github Action" + # Remove r-a crates from the workspaces so we don't auto-publish them as well + sed -i 's/ "crates\/\*"//' ./Cargo.toml + cargo workspaces publish --yes --exact --from-git --no-git-commit --allow-dirty diff --git a/src/tools/rust-analyzer/.github/workflows/release.yaml b/src/tools/rust-analyzer/.github/workflows/release.yaml index b070dd3406f..48f4c6b55ed 100644 --- a/src/tools/rust-analyzer/.github/workflows/release.yaml +++ b/src/tools/rust-analyzer/.github/workflows/release.yaml @@ -29,6 +29,9 @@ jobs: target: x86_64-pc-windows-msvc code-target: win32-x64 - os: windows-latest + target: i686-pc-windows-msvc + code-target: win32-ia32 + - os: windows-latest target: aarch64-pc-windows-msvc code-target: win32-arm64 - os: ubuntu-20.04 @@ -232,6 +235,10 @@ jobs: path: dist - uses: actions/download-artifact@v1 with: + name: dist-i686-pc-windows-msvc + path: dist + - uses: actions/download-artifact@v1 + with: name: dist-aarch64-pc-windows-msvc path: dist - run: ls -al ./dist diff --git a/src/tools/rust-analyzer/Cargo.lock b/src/tools/rust-analyzer/Cargo.lock index d27ae416f04..ef0316f30fb 100644 --- a/src/tools/rust-analyzer/Cargo.lock +++ b/src/tools/rust-analyzer/Cargo.lock @@ -4,9 +4,9 @@ version = 3 [[package]] name = "addr2line" -version = "0.17.0" +version = "0.19.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b9ecd88a8c8378ca913a680cd98f0f13ac67383d35993f86c90a70e3f137816b" +checksum = "a76fd60b23679b7d19bd066031410fb7e458ccc5e958eb5c325888ce4baedc97" dependencies = [ "gimli", ] @@ -27,19 +27,10 @@ dependencies = [ ] [[package]] -name = "ansi_term" -version = "0.12.1" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d52a9bb7ec0cf484c551830a7ce27bd20d67eac647e1befb56b0be4ee39a55d2" -dependencies = [ - "winapi", -] - -[[package]] name = "anyhow" -version = "1.0.65" +version = "1.0.68" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "98161a4e3e2184da77bb14f02184cdd111e83bbbcc9979dfee3c44b9a85f5602" +checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61" [[package]] name = "anymap" @@ -49,9 +40,9 @@ checksum = "8f1f8f5a6f3d50d89e3797d7593a50f96bb2aaa20ca0cc7be1fb673232c91d72" [[package]] name = "arbitrary" -version = "1.1.7" +version = "1.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d86fd10d912cab78764cc44307d9cd5f164e09abbeb87fb19fb6d95937e8da5f" +checksum = "b0224938f92e7aef515fac2ff2d18bd1115c1394ddf4a092e0c87e8be9499ee5" [[package]] name = "arrayvec" @@ -65,7 +56,7 @@ version = "0.2.14" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8" dependencies = [ - "hermit-abi", + "hermit-abi 0.1.19", "libc", "winapi", ] @@ -78,9 +69,9 @@ checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa" [[package]] name = "backtrace" -version = "0.3.66" +version = "0.3.67" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cab84319d616cfb654d03394f38ab7e6f0919e181b1b57e1fd15e7fb4077d9a7" +checksum = "233d376d6d185f2a3093e58f283f60f880315b6c60075b01f36b3b85154564ca" dependencies = [ "addr2line", "cc", @@ -120,9 +111,9 @@ checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610" [[package]] name = "camino" -version = "1.1.1" +version = "1.1.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "88ad0e1e3e88dd237a156ab9f571021b8a158caa0ae44b1968a241efb5144c1e" +checksum = "c77df041dc383319cc661b428b6961a005db4d6808d5e12536931b1ca9556055" dependencies = [ "serde", ] @@ -138,22 +129,23 @@ dependencies = [ [[package]] name = "cargo_metadata" -version = "0.15.0" +version = "0.15.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "3abb7553d5b9b8421c6de7cb02606ff15e0c6eea7d8eadd75ef013fd636bec36" +checksum = "982a0cf6a99c350d7246035613882e376d58cebe571785abc5da4f648d53ac0a" dependencies = [ "camino", "cargo-platform", "semver", "serde", "serde_json", + "thiserror", ] [[package]] name = "cc" -version = "1.0.73" +version = "1.0.78" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11" +checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d" [[package]] name = "cfg" @@ -229,9 +221,9 @@ dependencies = [ [[package]] name = "command-group" -version = "1.0.8" +version = "2.0.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f7a8a86f409b4a59df3a3e4bee2de0b83f1755fdd2a25e3a9684c396fc4bed2c" +checksum = "026c3922235f9f7d78f21251a026f3acdeb7cce3deba107fe09a4bfa63d850a2" dependencies = [ "nix", "winapi", @@ -286,22 +278,22 @@ dependencies = [ [[package]] name = "crossbeam-epoch" -version = "0.9.11" +version = "0.9.13" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f916dfc5d356b0ed9dae65f1db9fc9770aa2851d2662b988ccf4fe3516e86348" +checksum = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a" dependencies = [ "autocfg", "cfg-if", "crossbeam-utils", - "memoffset", + "memoffset 0.7.1", "scopeguard", ] [[package]] name = "crossbeam-utils" -version = "0.8.12" +version = "0.8.14" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac" +checksum = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f" dependencies = [ "cfg-if", ] @@ -316,14 +308,14 @@ dependencies = [ "hashbrown", "lock_api", "once_cell", - "parking_lot_core 0.9.4", + "parking_lot_core 0.9.6", ] [[package]] name = "derive_arbitrary" -version = "1.1.6" +version = "1.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "226ad66541d865d7a7173ad6a9e691c33fdb910ac723f4bc734b3e5294a1f931" +checksum = "cf460bbff5f571bfc762da5102729f59f338be7db17a21fade44c5c4f5005350" dependencies = [ "proc-macro2", "quote", @@ -332,9 +324,9 @@ dependencies = [ [[package]] name = "dissimilar" -version = "1.0.4" +version = "1.0.6" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8c97b9233581d84b8e1e689cdd3a47b6f69770084fc246e86a7f78b0d9c1d4a5" +checksum = "210ec60ae7d710bed8683e333e9d2855a8a56a3e9892b38bad3bb0d4d29b0d5e" [[package]] name = "dot" @@ -375,14 +367,14 @@ dependencies = [ [[package]] name = "filetime" -version = "0.2.18" +version = "0.2.19" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4b9663d381d07ae25dc88dbdf27df458faa83a9b25336bcac83d5e452b5fc9d3" +checksum = "4e884668cd0c7480504233e951174ddc3b382f7c2666e3b7310b5c4e7b0c37f9" dependencies = [ "cfg-if", "libc", "redox_syscall", - "windows-sys 0.42.0", + "windows-sys", ] [[package]] @@ -393,9 +385,9 @@ checksum = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d" [[package]] name = "flate2" -version = "1.0.24" +version = "1.0.25" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6" +checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841" dependencies = [ "crc32fast", "miniz_oxide", @@ -450,9 +442,9 @@ checksum = "7ab85b9b05e3978cc9a9cf8fea7f01b494e1a09ed3037e16ba39edc7a29eb61a" [[package]] name = "gimli" -version = "0.26.2" +version = "0.27.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "22030e2c5a68ec659fde1e949a745124b48e6fa8b045b7ed5bd1fe4ccc5c4e5d" +checksum = "dec7af912d60cdbd3677c1af9352ebae6fb8394d165568a2234df0fa00f87793" [[package]] name = "hashbrown" @@ -479,6 +471,15 @@ dependencies = [ ] [[package]] +name = "hermit-abi" +version = "0.2.6" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7" +dependencies = [ + "libc", +] + +[[package]] name = "hir" version = "0.0.0" dependencies = [ @@ -519,6 +520,7 @@ dependencies = [ "hkalbasi-rustc-ap-rustc_abi", "hkalbasi-rustc-ap-rustc_index", "indexmap", + "intern", "itertools", "la-arena", "limit", @@ -544,6 +546,7 @@ dependencies = [ "either", "expect-test", "hashbrown", + "intern", "itertools", "la-arena", "limit", @@ -574,11 +577,13 @@ dependencies = [ "hir-def", "hir-expand", "hkalbasi-rustc-ap-rustc_index", + "intern", "itertools", "la-arena", "limit", "once_cell", "profile", + "project-model", "rustc-hash", "scoped-tls", "smallvec", @@ -642,6 +647,7 @@ dependencies = [ "profile", "pulldown-cmark", "pulldown-cmark-to-cmark", + "smallvec", "stdx", "syntax", "test-utils", @@ -766,9 +772,9 @@ dependencies = [ [[package]] name = "indexmap" -version = "1.9.1" +version = "1.9.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "10a35a97730320ffe8e2d410b5d3b69279b98d2c14bdb8b70ea89ecf7888d41e" +checksum = "1885e79c1fc4b10f0e172c475f458b7f7b93061064d98c3293e98c5ba0c8b399" dependencies = [ "autocfg", "hashbrown", @@ -804,6 +810,16 @@ dependencies = [ ] [[package]] +name = "intern" +version = "0.0.0" +dependencies = [ + "dashmap", + "hashbrown", + "once_cell", + "rustc-hash", +] + +[[package]] name = "itertools" version = "0.10.5" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -814,9 +830,9 @@ dependencies = [ [[package]] name = "itoa" -version = "1.0.4" +version = "1.0.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc" +checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440" [[package]] name = "jod-thread" @@ -826,9 +842,9 @@ checksum = "8b23360e99b8717f20aaa4598f5a6541efbe30630039fbc7706cf954a87947ae" [[package]] name = "kqueue" -version = "1.0.6" +version = "1.0.7" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "4d6112e8f37b59803ac47a42d14f1f3a59bbf72fc6857ffc5be455e28a691f8e" +checksum = "2c8fc60ba15bf51257aa9807a48a61013db043fcf3a78cb0d916e8e396dcad98" dependencies = [ "kqueue-sys", "libc", @@ -856,15 +872,15 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646" [[package]] name = "libc" -version = "0.2.135" +version = "0.2.139" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "68783febc7782c6c5cb401fbda4de5a9898be1762314da0bb2c10ced61f18b0c" +checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79" [[package]] name = "libloading" -version = "0.7.3" +version = "0.7.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "efbc0f03f9a775e9f6aed295c6a1ba2253c5757a9e03d55c6caa46a681abcddd" +checksum = "b67380fd3b2fbe7527a606e18729d21c6f3951633d0500574c4dc22d2d638b9f" dependencies = [ "cfg-if", "winapi", @@ -872,11 +888,12 @@ dependencies = [ [[package]] name = "libmimalloc-sys" -version = "0.1.26" +version = "0.1.30" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "8fc093ab289b0bfda3aa1bdfab9c9542be29c7ef385cfcbe77f8c9813588eb48" +checksum = "dd8c7cbf8b89019683667e347572e6d55a7df7ea36b0c4ce69961b0cde67b174" dependencies = [ "cc", + "libc", ] [[package]] @@ -958,9 +975,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d" [[package]] name = "memmap2" -version = "0.5.7" +version = "0.5.8" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "95af15f345b17af2efc8ead6080fb8bc376f8cec1b35277b935637595fe77498" +checksum = "4b182332558b18d807c4ce1ca8ca983b34c3ee32765e47b3f0f69b90355cc1dc" dependencies = [ "libc", ] @@ -975,33 +992,42 @@ dependencies = [ ] [[package]] +name = "memoffset" +version = "0.7.1" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4" +dependencies = [ + "autocfg", +] + +[[package]] name = "mimalloc" -version = "0.1.30" +version = "0.1.34" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "76ce6a4b40d3bff9eb3ce9881ca0737a85072f9f975886082640cd46a75cdb35" +checksum = "9dcb174b18635f7561a0c6c9fc2ce57218ac7523cf72c50af80e2d79ab8f3ba1" dependencies = [ "libmimalloc-sys", ] [[package]] name = "miniz_oxide" -version = "0.5.4" +version = "0.6.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "96590ba8f175222643a85693f33d26e9c8a015f599c216509b1a6894af675d34" +checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa" dependencies = [ "adler", ] [[package]] name = "mio" -version = "0.8.4" +version = "0.8.5" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "57ee1c23c7c63b0c9250c339ffdc69255f110b298b901b9f6c82547b7b87caaf" +checksum = "e5d732bc30207a6423068df043e3d02e0735b155ad7ce1a6f76fe2baa5b158de" dependencies = [ "libc", "log", "wasi", - "windows-sys 0.36.1", + "windows-sys", ] [[package]] @@ -1010,20 +1036,19 @@ version = "0.5.0" source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "52ffbca2f655e33c08be35d87278e5b18b89550a37dbd598c20db92f6a471123" dependencies = [ - "windows-sys 0.42.0", + "windows-sys", ] [[package]] name = "nix" -version = "0.22.3" +version = "0.26.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "e4916f159ed8e5de0082076562152a76b7a1f64a01fd9d1e0fea002c37624faf" +checksum = "bfdda3d196821d6af13126e40375cdf7da646a96114af134d5f417a9a1dc8e1a" dependencies = [ "bitflags", - "cc", "cfg-if", "libc", - "memoffset", + "static_assertions", ] [[package]] @@ -1045,29 +1070,39 @@ dependencies = [ ] [[package]] +name = "nu-ansi-term" +version = "0.46.0" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "77a8165726e8236064dbb45459242600304b42a5ea24ee2948e18e023bf7ba84" +dependencies = [ + "overload", + "winapi", +] + +[[package]] name = "num_cpus" -version = "1.13.1" +version = "1.15.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "19e64526ebdee182341572e50e9ad03965aa510cd94427a4549448f285e957a1" +checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b" dependencies = [ - "hermit-abi", + "hermit-abi 0.2.6", "libc", ] [[package]] name = "object" -version = "0.29.0" +version = "0.30.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "21158b2c33aa6d4561f1c0a6ea283ca92bc54802a93b263e910746d679a7eb53" +checksum = "2b8c786513eb403643f2a88c244c2aaa270ef2153f55094587d0c48a3cf22a83" dependencies = [ "memchr", ] [[package]] name = "once_cell" -version = "1.15.0" +version = "1.17.0" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = 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name = "paste" -version = "1.0.9" +version = "1.0.11" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "b1de2e551fb905ac83f73f7aedf2f0cb4a0da7e35efa24a202a936269f1f18e1" +checksum = "d01a5bd0424d00070b0098dd17ebca6f961a959dead1dbcbbbc1d1cd8d3deeba" [[package]] name = "paths" @@ -1238,9 +1279,9 @@ version = "0.0.0" [[package]] name = "proc-macro2" -version = "1.0.47" +version = "1.0.50" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725" +checksum = "6ef7d57beacfaf2d8aee5937dab7b7f28de3cb8b1828479bb5de2a7106f2bae2" dependencies = [ "unicode-ident", ] @@ -1322,30 +1363,28 @@ dependencies = [ [[package]] name = "quote" -version = "1.0.21" +version = "1.0.23" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179" +checksum = 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[[package]] @@ -1801,15 +1844,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index" checksum = "2e153e1f1acaef8acc537e68b44906d2db6436e2b35ac2c6b42640fff91f00fd" [[package]] -name = "time-macros" -version = "0.2.6" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d967f99f534ca7e495c575c62638eebc2898a8c84c119b89e250477bc4ba16b2" -dependencies = [ - "time-core", -] - -[[package]] name = "tinyvec" version = "1.6.0" source = "registry+https://github.com/rust-lang/crates.io-index" @@ -1893,12 +1927,12 @@ dependencies = [ [[package]] name = "tracing-tree" -version = "0.2.1" +version = "0.2.2" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "d07e90b329c621ade432823988574e820212648aa40e7a2497777d58de0fb453" +checksum = "758e983ab7c54fee18403994507e7f212b9005e957ce7984996fac8d11facedb" dependencies = [ - "ansi_term", "atty", + "nu-ansi-term", "tracing-core", "tracing-log", "tracing-subscriber", @@ -1914,9 +1948,9 @@ 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"c811ca4a8c853ef420abd8592ba53ddbbac90410fab6903b3e79972a631f7680" - -[[package]] -name = "windows_x86_64_msvc" -version = "0.42.0" -source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5" +checksum = "447660ad36a13288b1db4d4248e857b510e8c3a225c822ba4fb748c0aafecffd" [[package]] name = "write-json" @@ -2170,33 +2161,33 @@ checksum = "06069a848f95fceae3e5e03c0ddc8cb78452b56654ee0c8e68f938cf790fb9e3" [[package]] name = "xflags" -version = "0.3.0" +version = "0.3.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "cbf19f5031a1a812e96fede16f8161218883079946cea87619d3613db1efd268" +checksum = "c4554b580522d0ca238369c16b8f6ce34524d61dafe7244993754bbd05f2c2ea" dependencies = [ "xflags-macros", ] [[package]] name = "xflags-macros" -version = "0.3.0" +version = "0.3.1" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "2afbd7f2039bb6cad2dd45f0c5dff49c0d4e26118398768b7a605524d4251809" +checksum = "f58e7b3ca8977093aae6b87b6a7730216fc4c53a6530bab5c43a783cd810c1a8" [[package]] name = "xshell" -version = "0.2.2" +version = "0.2.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "6d47097dc5c85234b1e41851b3422dd6d19b3befdd35b4ae5ce386724aeca981" +checksum = "962c039b3a7b16cf4e9a4248397c6585c07547412e7d6a6e035389a802dcfe90" dependencies = [ "xshell-macros", ] [[package]] name = "xshell-macros" -version = "0.2.2" +version = "0.2.3" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "88301b56c26dd9bf5c43d858538f82d6f3f7764767defbc5d34e59459901c41a" +checksum = "1dbabb1cbd15a1d6d12d9ed6b35cc6777d4af87ab3ba155ea37215f20beab80c" [[package]] name = "xtask" @@ -2204,6 +2195,7 @@ version = "0.1.0" dependencies = [ "anyhow", "flate2", + "time", "write-json", "xflags", "xshell", @@ -2212,9 +2204,9 @@ dependencies = [ [[package]] name = "zip" -version = "0.6.3" +version = "0.6.4" source = "registry+https://github.com/rust-lang/crates.io-index" -checksum = "537ce7411d25e54e8ae21a7ce0b15840e7bfcff15b51d697ec3266cc76bdf080" +checksum = "0445d0fbc924bb93539b4316c11afb121ea39296f99a3c4c9edad09e3658cdef" dependencies = [ "byteorder", "crc32fast", diff --git a/src/tools/rust-analyzer/Cargo.toml b/src/tools/rust-analyzer/Cargo.toml index 286ef1e7dcb..ef81105505b 100644 --- a/src/tools/rust-analyzer/Cargo.toml +++ b/src/tools/rust-analyzer/Cargo.toml @@ -2,6 +2,12 @@ members = ["xtask/", "lib/*", "crates/*"] exclude = ["crates/proc-macro-test/imp"] +[workspace.package] +rust-version = "1.66" +edition = "2021" +license = "MIT OR Apache-2.0" +authors = ["rust-analyzer team"] + [profile.dev] # Disabling debug info speeds up builds a bunch, # and we don't rely on it for debugging that much. @@ -32,3 +38,39 @@ debug = 0 # ungrammar = { path = "../ungrammar" } # salsa = { path = "../salsa" } + +[workspace.dependencies] +# local crates +base-db = { path = "./crates/base-db", version = "0.0.0" } +cfg = { path = "./crates/cfg", version = "0.0.0" } +flycheck = { path = "./crates/flycheck", version = "0.0.0" } +hir = { path = "./crates/hir", version = "0.0.0" } +hir-def = { path = "./crates/hir-def", version = "0.0.0" } +hir-expand = { path = "./crates/hir-expand", version = "0.0.0" } +hir-ty = { path = "./crates/hir-ty", version = "0.0.0" } +ide = { path = "./crates/ide", version = "0.0.0" } +ide-assists = { path = "./crates/ide-assists", version = "0.0.0" } +ide-completion = { path = "./crates/ide-completion", version = "0.0.0" } +ide-db = { path = "./crates/ide-db", version = "0.0.0" } +ide-diagnostics = { path = "./crates/ide-diagnostics", version = "0.0.0" } +ide-ssr = { path = "./crates/ide-ssr", version = "0.0.0" } +intern = { path = "./crates/intern", version = "0.0.0" } +limit = { path = "./crates/limit", version = "0.0.0" } +mbe = { path = "./crates/mbe", version = "0.0.0" } +parser = { path = "./crates/parser", version = "0.0.0" } +paths = { path = "./crates/paths", version = "0.0.0" } +proc-macro-api = { path = "./crates/proc-macro-api", version = "0.0.0" } +proc-macro-srv = { path = "./crates/proc-macro-srv", version = "0.0.0" } +proc-macro-srv-cli = { path = "./crates/proc-macro-srv-cli", version = "0.0.0" } +proc-macro-test = { path = "./crates/proc-macro-test", version = "0.0.0" } +profile = { path = "./crates/profile", version = "0.0.0" } +project-model = { path = "./crates/project-model", version = "0.0.0" } +sourcegen = { path = "./crates/sourcegen", version = "0.0.0" } +stdx = { path = "./crates/stdx", version = "0.0.0" } +syntax = { path = "./crates/syntax", version = "0.0.0" } +test-utils = { path = "./crates/test-utils", version = "0.0.0" } +text-edit = { path = "./crates/text-edit", version = "0.0.0" } +toolchain = { path = "./crates/toolchain", version = "0.0.0" } +tt = { path = "./crates/tt", version = "0.0.0" } +vfs-notify = { path = "./crates/vfs-notify", version = "0.0.0" } +vfs = { path = "./crates/vfs", version = "0.0.0" } diff --git a/src/tools/rust-analyzer/crates/base-db/Cargo.toml b/src/tools/rust-analyzer/crates/base-db/Cargo.toml index a484ecec682..f6a1075c190 100644 --- a/src/tools/rust-analyzer/crates/base-db/Cargo.toml +++ b/src/tools/rust-analyzer/crates/base-db/Cargo.toml @@ -2,9 +2,11 @@ name = "base-db" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -13,10 +15,11 @@ doctest = false salsa = "0.17.0-pre.2" rustc-hash = "1.1.0" -syntax = { path = "../syntax", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } -cfg = { path = "../cfg", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -tt = { path = "../tt", version = "0.0.0" } -test-utils = { path = "../test-utils", version = "0.0.0" } -vfs = { path = "../vfs", version = "0.0.0" } +# local deps +cfg.workspace = true +profile.workspace = true +stdx.workspace = true +syntax.workspace = true +test-utils.workspace = true +tt.workspace = true +vfs.workspace = true diff --git a/src/tools/rust-analyzer/crates/base-db/src/fixture.rs b/src/tools/rust-analyzer/crates/base-db/src/fixture.rs index 6f83ea40e76..8a7e9dfadfe 100644 --- a/src/tools/rust-analyzer/crates/base-db/src/fixture.rs +++ b/src/tools/rust-analyzer/crates/base-db/src/fixture.rs @@ -6,7 +6,7 @@ use rustc_hash::FxHashMap; use test_utils::{ extract_range_or_offset, Fixture, RangeOrOffset, CURSOR_MARKER, ESCAPED_CURSOR_MARKER, }; -use tt::Subtree; +use tt::token_id::{Leaf, Subtree, TokenTree}; use vfs::{file_set::FileSet, VfsPath}; use crate::{ @@ -110,6 +110,7 @@ impl ChangeFixture { let mut crates = FxHashMap::default(); let mut crate_deps = Vec::new(); let mut default_crate_root: Option<FileId> = None; + let mut default_target_data_layout: Option<String> = None; let mut default_cfg = CfgOptions::default(); let mut file_set = FileSet::default(); @@ -162,7 +163,10 @@ impl ChangeFixture { Ok(Vec::new()), false, origin, - meta.target_data_layout.as_deref().map(Arc::from), + meta.target_data_layout + .as_deref() + .map(Arc::from) + .ok_or_else(|| "target_data_layout unset".into()), ); let prev = crates.insert(crate_name.clone(), crate_id); assert!(prev.is_none()); @@ -175,6 +179,7 @@ impl ChangeFixture { assert!(default_crate_root.is_none()); default_crate_root = Some(file_id); default_cfg = meta.cfg; + default_target_data_layout = meta.target_data_layout; } change.change_file(file_id, Some(Arc::new(text))); @@ -198,7 +203,9 @@ impl ChangeFixture { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + default_target_data_layout + .map(|x| x.into()) + .ok_or_else(|| "target_data_layout unset".into()), ); } else { for (from, to, prelude) in crate_deps { @@ -212,8 +219,10 @@ impl ChangeFixture { .unwrap(); } } - let target_layout = - crate_graph.iter().next().and_then(|it| crate_graph[it].target_layout.clone()); + let target_layout = crate_graph.iter().next().map_or_else( + || Err("target_data_layout unset".into()), + |it| crate_graph[it].target_layout.clone(), + ); if let Some(mini_core) = mini_core { let core_file = file_id; @@ -301,7 +310,7 @@ impl ChangeFixture { } } -fn default_test_proc_macros() -> [(String, ProcMacro); 4] { +fn default_test_proc_macros() -> [(String, ProcMacro); 5] { [ ( r#" @@ -359,6 +368,20 @@ pub fn mirror(input: TokenStream) -> TokenStream { expander: Arc::new(MirrorProcMacroExpander), }, ), + ( + r#" +#[proc_macro] +pub fn shorten(input: TokenStream) -> TokenStream { + loop {} +} +"# + .into(), + ProcMacro { + name: "shorten".into(), + kind: crate::ProcMacroKind::FuncLike, + expander: Arc::new(ShortenProcMacroExpander), + }, + ), ] } @@ -486,17 +509,60 @@ impl ProcMacroExpander for MirrorProcMacroExpander { _: &Env, ) -> Result<Subtree, ProcMacroExpansionError> { fn traverse(input: &Subtree) -> Subtree { - let mut res = Subtree::default(); - res.delimiter = input.delimiter; + let mut token_trees = vec![]; for tt in input.token_trees.iter().rev() { let tt = match tt { tt::TokenTree::Leaf(leaf) => tt::TokenTree::Leaf(leaf.clone()), tt::TokenTree::Subtree(sub) => tt::TokenTree::Subtree(traverse(sub)), }; - res.token_trees.push(tt); + token_trees.push(tt); } - res + Subtree { delimiter: input.delimiter, token_trees } } Ok(traverse(input)) } } + +// Replaces every literal with an empty string literal and every identifier with its first letter, +// but retains all tokens' span. Useful for testing we don't assume token hasn't been modified by +// macros even if it retains its span. +#[derive(Debug)] +struct ShortenProcMacroExpander; +impl ProcMacroExpander for ShortenProcMacroExpander { + fn expand( + &self, + input: &Subtree, + _: Option<&Subtree>, + _: &Env, + ) -> Result<Subtree, ProcMacroExpansionError> { + return Ok(traverse(input)); + + fn traverse(input: &Subtree) -> Subtree { + let token_trees = input + .token_trees + .iter() + .map(|it| match it { + TokenTree::Leaf(leaf) => tt::TokenTree::Leaf(modify_leaf(leaf)), + TokenTree::Subtree(subtree) => tt::TokenTree::Subtree(traverse(subtree)), + }) + .collect(); + Subtree { delimiter: input.delimiter, token_trees } + } + + fn modify_leaf(leaf: &Leaf) -> Leaf { + let mut leaf = leaf.clone(); + match &mut leaf { + Leaf::Literal(it) => { + // XXX Currently replaces any literals with an empty string, but supporting + // "shortening" other literals would be nice. + it.text = "\"\"".into(); + } + Leaf::Punct(_) => {} + Leaf::Ident(it) => { + it.text = it.text.chars().take(1).collect(); + } + } + leaf + } + } +} diff --git a/src/tools/rust-analyzer/crates/base-db/src/input.rs b/src/tools/rust-analyzer/crates/base-db/src/input.rs index 5fa4a802495..43388e915b5 100644 --- a/src/tools/rust-analyzer/crates/base-db/src/input.rs +++ b/src/tools/rust-analyzer/crates/base-db/src/input.rs @@ -12,7 +12,7 @@ use cfg::CfgOptions; use rustc_hash::FxHashMap; use stdx::hash::{NoHashHashMap, NoHashHashSet}; use syntax::SmolStr; -use tt::Subtree; +use tt::token_id::Subtree; use vfs::{file_set::FileSet, AnchoredPath, FileId, VfsPath}; /// Files are grouped into source roots. A source root is a directory on the @@ -84,15 +84,10 @@ pub struct CrateGraph { arena: NoHashHashMap<CrateId, CrateData>, } -#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)] +#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)] pub struct CrateId(pub u32); impl stdx::hash::NoHashHashable for CrateId {} -impl std::hash::Hash for CrateId { - fn hash<H: std::hash::Hasher>(&self, state: &mut H) { - self.0.hash(state); - } -} #[derive(Debug, Clone, PartialEq, Eq, Hash)] pub struct CrateName(SmolStr); @@ -248,6 +243,7 @@ pub enum ProcMacroExpansionError { } pub type ProcMacroLoadResult = Result<Vec<ProcMacro>, String>; +pub type TargetLayoutLoadResult = Result<Arc<str>, Arc<str>>; #[derive(Debug, Clone)] pub struct ProcMacro { @@ -270,7 +266,7 @@ pub struct CrateData { pub display_name: Option<CrateDisplayName>, pub cfg_options: CfgOptions, pub potential_cfg_options: CfgOptions, - pub target_layout: Option<Arc<str>>, + pub target_layout: TargetLayoutLoadResult, pub env: Env, pub dependencies: Vec<Dependency>, pub proc_macro: ProcMacroLoadResult, @@ -286,7 +282,7 @@ pub enum Edition { } impl Edition { - pub const CURRENT: Edition = Edition::Edition2018; + pub const CURRENT: Edition = Edition::Edition2021; } #[derive(Default, Debug, Clone, PartialEq, Eq)] @@ -329,7 +325,7 @@ impl CrateGraph { proc_macro: ProcMacroLoadResult, is_proc_macro: bool, origin: CrateOrigin, - target_layout: Option<Arc<str>>, + target_layout: Result<Arc<str>, Arc<str>>, ) -> CrateId { let data = CrateData { root_file_id, @@ -652,7 +648,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); let crate2 = graph.add_crate_root( FileId(2u32), @@ -665,7 +661,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); let crate3 = graph.add_crate_root( FileId(3u32), @@ -678,7 +674,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); assert!(graph .add_dep(crate1, Dependency::new(CrateName::new("crate2").unwrap(), crate2)) @@ -705,7 +701,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); let crate2 = graph.add_crate_root( FileId(2u32), @@ -718,7 +714,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); assert!(graph .add_dep(crate1, Dependency::new(CrateName::new("crate2").unwrap(), crate2)) @@ -742,7 +738,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); let crate2 = graph.add_crate_root( FileId(2u32), @@ -755,7 +751,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); let crate3 = graph.add_crate_root( FileId(3u32), @@ -768,7 +764,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); assert!(graph .add_dep(crate1, Dependency::new(CrateName::new("crate2").unwrap(), crate2)) @@ -792,7 +788,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); let crate2 = graph.add_crate_root( FileId(2u32), @@ -805,7 +801,7 @@ mod tests { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("".into()), ); assert!(graph .add_dep( diff --git a/src/tools/rust-analyzer/crates/base-db/src/lib.rs b/src/tools/rust-analyzer/crates/base-db/src/lib.rs index 55a51d3bbb2..9720db9d8ac 100644 --- a/src/tools/rust-analyzer/crates/base-db/src/lib.rs +++ b/src/tools/rust-analyzer/crates/base-db/src/lib.rs @@ -17,6 +17,7 @@ pub use crate::{ CrateData, CrateDisplayName, CrateGraph, CrateId, CrateName, CrateOrigin, Dependency, Edition, Env, LangCrateOrigin, ProcMacro, ProcMacroExpander, ProcMacroExpansionError, ProcMacroId, ProcMacroKind, ProcMacroLoadResult, SourceRoot, SourceRootId, + TargetLayoutLoadResult, }, }; pub use salsa::{self, Cancelled}; diff --git a/src/tools/rust-analyzer/crates/cfg/Cargo.toml b/src/tools/rust-analyzer/crates/cfg/Cargo.toml index 2857420c285..0880bc239d8 100644 --- a/src/tools/rust-analyzer/crates/cfg/Cargo.toml +++ b/src/tools/rust-analyzer/crates/cfg/Cargo.toml @@ -2,9 +2,11 @@ name = "cfg" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -12,15 +14,18 @@ doctest = false [dependencies] rustc-hash = "1.1.0" -tt = { path = "../tt", version = "0.0.0" } +# locals deps +tt.workspace = true [dev-dependencies] -mbe = { path = "../mbe" } -syntax = { path = "../syntax" } expect-test = "1.4.0" oorandom = "11.1.3" # We depend on both individually instead of using `features = ["derive"]` to microoptimize the # build graph: if the feature was enabled, syn would be built early on in the graph if `smolstr` # supports `arbitrary`. This way, we avoid feature unification. -arbitrary = "1.1.7" -derive_arbitrary = "1.1.6" +arbitrary = "1.2.2" +derive_arbitrary = "1.2.2" + +# local deps +mbe.workspace = true +syntax.workspace = true diff --git a/src/tools/rust-analyzer/crates/cfg/src/cfg_expr.rs b/src/tools/rust-analyzer/crates/cfg/src/cfg_expr.rs index 5f4eefa8366..fb7505ba2dd 100644 --- a/src/tools/rust-analyzer/crates/cfg/src/cfg_expr.rs +++ b/src/tools/rust-analyzer/crates/cfg/src/cfg_expr.rs @@ -66,7 +66,7 @@ impl From<CfgAtom> for CfgExpr { } impl CfgExpr { - pub fn parse(tt: &tt::Subtree) -> CfgExpr { + pub fn parse<S>(tt: &tt::Subtree<S>) -> CfgExpr { next_cfg_expr(&mut tt.token_trees.iter()).unwrap_or(CfgExpr::Invalid) } /// Fold the cfg by querying all basic `Atom` and `KeyValue` predicates. @@ -85,7 +85,7 @@ impl CfgExpr { } } -fn next_cfg_expr(it: &mut SliceIter<'_, tt::TokenTree>) -> Option<CfgExpr> { +fn next_cfg_expr<S>(it: &mut SliceIter<'_, tt::TokenTree<S>>) -> Option<CfgExpr> { let name = match it.next() { None => return None, Some(tt::TokenTree::Leaf(tt::Leaf::Ident(ident))) => ident.text.clone(), diff --git a/src/tools/rust-analyzer/crates/flycheck/Cargo.toml b/src/tools/rust-analyzer/crates/flycheck/Cargo.toml index 514d567fcce..609d18c4eea 100644 --- a/src/tools/rust-analyzer/crates/flycheck/Cargo.toml +++ b/src/tools/rust-analyzer/crates/flycheck/Cargo.toml @@ -2,9 +2,11 @@ name = "flycheck" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -17,8 +19,9 @@ rustc-hash = "1.1.0" serde = { version = "1.0.137", features = ["derive"] } serde_json = "1.0.86" jod-thread = "0.1.2" -command-group = "1.0.8" +command-group = "2.0.1" -toolchain = { path = "../toolchain", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } -paths = { path = "../paths", version = "0.0.0" } +# local deps +paths.workspace = true +stdx.workspace = true +toolchain.workspace = true diff --git a/src/tools/rust-analyzer/crates/hir-def/Cargo.toml b/src/tools/rust-analyzer/crates/hir-def/Cargo.toml index 698be76656c..1daf0428c24 100644 --- a/src/tools/rust-analyzer/crates/hir-def/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir-def/Cargo.toml @@ -2,9 +2,11 @@ name = "hir-def" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -23,23 +25,28 @@ hashbrown = { version = "0.12.1", default-features = false } indexmap = "1.9.1" itertools = "0.10.5" la-arena = { version = "0.3.0", path = "../../lib/la-arena" } -once_cell = "1.15.0" +once_cell = "1.17.0" rustc-hash = "1.1.0" smallvec = "1.10.0" tracing = "0.1.35" -stdx = { path = "../stdx", version = "0.0.0" } -base-db = { path = "../base-db", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -hir-expand = { path = "../hir-expand", version = "0.0.0" } rustc_abi = { version = "0.0.20221221", package = "hkalbasi-rustc-ap-rustc_abi", default-features = false } rustc_index = { version = "0.0.20221221", package = "hkalbasi-rustc-ap-rustc_index", default-features = false } -mbe = { path = "../mbe", version = "0.0.0" } -cfg = { path = "../cfg", version = "0.0.0" } -tt = { path = "../tt", version = "0.0.0" } -limit = { path = "../limit", version = "0.0.0" } + +# local deps +stdx.workspace = true +intern.workspace = true +base-db.workspace = true +syntax.workspace = true +profile.workspace = true +hir-expand.workspace = true +mbe.workspace = true +cfg.workspace = true +tt.workspace = true +limit.workspace = true [dev-dependencies] -test-utils = { path = "../test-utils" } expect-test = "1.4.0" + +# local deps +test-utils.workspace = true diff --git a/src/tools/rust-analyzer/crates/hir-def/src/adt.rs b/src/tools/rust-analyzer/crates/hir-def/src/adt.rs index db3b4194881..dcea679567a 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/adt.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/adt.rs @@ -2,22 +2,22 @@ use std::sync::Arc; +use crate::tt::{Delimiter, DelimiterKind, Leaf, Subtree, TokenTree}; use base_db::CrateId; use either::Either; use hir_expand::{ name::{AsName, Name}, HirFileId, InFile, }; +use intern::Interned; use la_arena::{Arena, ArenaMap}; use rustc_abi::{Integer, IntegerType}; use syntax::ast::{self, HasName, HasVisibility}; -use tt::{Delimiter, DelimiterKind, Leaf, Subtree, TokenTree}; use crate::{ body::{CfgExpander, LowerCtx}, builtin_type::{BuiltinInt, BuiltinUint}, db::DefDatabase, - intern::Interned, item_tree::{AttrOwner, Field, FieldAstId, Fields, ItemTree, ModItem, RawVisibilityId}, layout::{Align, ReprFlags, ReprOptions}, nameres::diagnostics::DefDiagnostic, @@ -82,7 +82,7 @@ fn repr_from_value( fn parse_repr_tt(tt: &Subtree) -> Option<ReprOptions> { match tt.delimiter { - Some(Delimiter { kind: DelimiterKind::Parenthesis, .. }) => {} + Delimiter { kind: DelimiterKind::Parenthesis, .. } => {} _ => return None, } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/attr.rs b/src/tools/rust-analyzer/crates/hir-def/src/attr.rs index ab5d180e1bb..fcd92ad3385 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/attr.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/attr.rs @@ -1,27 +1,26 @@ //! A higher level attributes based on TokenTree, with also some shortcuts. -use std::{fmt, hash::Hash, ops, sync::Arc}; +use std::{hash::Hash, ops, sync::Arc}; use base_db::CrateId; use cfg::{CfgExpr, CfgOptions}; use either::Either; -use hir_expand::{hygiene::Hygiene, name::AsName, HirFileId, InFile}; +use hir_expand::{ + attrs::{collect_attrs, Attr, AttrId, RawAttrs}, + HirFileId, InFile, +}; use itertools::Itertools; use la_arena::{ArenaMap, Idx, RawIdx}; -use mbe::{syntax_node_to_token_tree, DelimiterKind, Punct}; -use smallvec::{smallvec, SmallVec}; +use mbe::DelimiterKind; use syntax::{ - ast::{self, AstNode, HasAttrs, IsString}, - match_ast, AstPtr, AstToken, SmolStr, SyntaxNode, TextRange, TextSize, + ast::{self, HasAttrs, IsString}, + AstPtr, AstToken, SmolStr, TextRange, TextSize, }; -use tt::Subtree; use crate::{ db::DefDatabase, - intern::Interned, item_tree::{AttrOwner, Fields, ItemTreeId, ItemTreeNode}, nameres::{ModuleOrigin, ModuleSource}, - path::{ModPath, PathKind}, src::{HasChildSource, HasSource}, AdtId, AttrDefId, EnumId, GenericParamId, LocalEnumVariantId, LocalFieldId, Lookup, MacroId, VariantId, @@ -47,12 +46,6 @@ impl From<Documentation> for String { } } -/// Syntactical attributes, without filtering of `cfg_attr`s. -#[derive(Default, Debug, Clone, PartialEq, Eq)] -pub(crate) struct RawAttrs { - entries: Option<Arc<[Attr]>>, -} - #[derive(Default, Debug, Clone, PartialEq, Eq)] pub struct Attrs(RawAttrs); @@ -62,30 +55,21 @@ pub struct AttrsWithOwner { owner: AttrDefId, } -impl ops::Deref for RawAttrs { - type Target = [Attr]; - - fn deref(&self) -> &[Attr] { - match &self.entries { - Some(it) => &*it, - None => &[], - } - } -} impl Attrs { pub fn get(&self, id: AttrId) -> Option<&Attr> { (**self).iter().find(|attr| attr.id == id) } + + pub(crate) fn filter(db: &dyn DefDatabase, krate: CrateId, raw_attrs: RawAttrs) -> Attrs { + Attrs(raw_attrs.filter(db.upcast(), krate)) + } } impl ops::Deref for Attrs { type Target = [Attr]; fn deref(&self) -> &[Attr] { - match &self.0.entries { - Some(it) => &*it, - None => &[], - } + &self.0 } } @@ -97,114 +81,6 @@ impl ops::Deref for AttrsWithOwner { } } -impl RawAttrs { - pub(crate) const EMPTY: Self = Self { entries: None }; - - pub(crate) fn new(db: &dyn DefDatabase, owner: &dyn ast::HasAttrs, hygiene: &Hygiene) -> Self { - let entries = collect_attrs(owner) - .filter_map(|(id, attr)| match attr { - Either::Left(attr) => { - attr.meta().and_then(|meta| Attr::from_src(db, meta, hygiene, id)) - } - Either::Right(comment) => comment.doc_comment().map(|doc| Attr { - id, - input: Some(Interned::new(AttrInput::Literal(SmolStr::new(doc)))), - path: Interned::new(ModPath::from(hir_expand::name!(doc))), - }), - }) - .collect::<Arc<_>>(); - - Self { entries: if entries.is_empty() { None } else { Some(entries) } } - } - - fn from_attrs_owner(db: &dyn DefDatabase, owner: InFile<&dyn ast::HasAttrs>) -> Self { - let hygiene = Hygiene::new(db.upcast(), owner.file_id); - Self::new(db, owner.value, &hygiene) - } - - pub(crate) fn merge(&self, other: Self) -> Self { - // FIXME: This needs to fixup `AttrId`s - match (&self.entries, other.entries) { - (None, None) => Self::EMPTY, - (None, entries @ Some(_)) => Self { entries }, - (Some(entries), None) => Self { entries: Some(entries.clone()) }, - (Some(a), Some(b)) => { - let last_ast_index = a.last().map_or(0, |it| it.id.ast_index + 1); - Self { - entries: Some( - a.iter() - .cloned() - .chain(b.iter().map(|it| { - let mut it = it.clone(); - it.id.ast_index += last_ast_index; - it - })) - .collect(), - ), - } - } - } - } - - /// Processes `cfg_attr`s, returning the resulting semantic `Attrs`. - pub(crate) fn filter(self, db: &dyn DefDatabase, krate: CrateId) -> Attrs { - let has_cfg_attrs = self.iter().any(|attr| { - attr.path.as_ident().map_or(false, |name| *name == hir_expand::name![cfg_attr]) - }); - if !has_cfg_attrs { - return Attrs(self); - } - - let crate_graph = db.crate_graph(); - let new_attrs = self - .iter() - .flat_map(|attr| -> SmallVec<[_; 1]> { - let is_cfg_attr = - attr.path.as_ident().map_or(false, |name| *name == hir_expand::name![cfg_attr]); - if !is_cfg_attr { - return smallvec![attr.clone()]; - } - - let subtree = match attr.token_tree_value() { - Some(it) => it, - _ => return smallvec![attr.clone()], - }; - - // Input subtree is: `(cfg, $(attr),+)` - // Split it up into a `cfg` subtree and the `attr` subtrees. - // FIXME: There should be a common API for this. - let mut parts = subtree.token_trees.split(|tt| { - matches!(tt, tt::TokenTree::Leaf(tt::Leaf::Punct(Punct { char: ',', .. }))) - }); - let cfg = match parts.next() { - Some(it) => it, - None => return smallvec![], - }; - let cfg = Subtree { delimiter: subtree.delimiter, token_trees: cfg.to_vec() }; - let cfg = CfgExpr::parse(&cfg); - let index = attr.id; - let attrs = parts.filter(|a| !a.is_empty()).filter_map(|attr| { - let tree = Subtree { delimiter: None, token_trees: attr.to_vec() }; - // FIXME hygiene - let hygiene = Hygiene::new_unhygienic(); - Attr::from_tt(db, &tree, &hygiene, index) - }); - - let cfg_options = &crate_graph[krate].cfg_options; - if cfg_options.check(&cfg) == Some(false) { - smallvec![] - } else { - cov_mark::hit!(cfg_attr_active); - - attrs.collect() - } - }) - .collect(); - - Attrs(RawAttrs { entries: Some(new_attrs) }) - } -} - impl Attrs { pub const EMPTY: Self = Self(RawAttrs::EMPTY); @@ -251,19 +127,18 @@ impl Attrs { let enum_ = &item_tree[loc.id.value]; let cfg_options = &crate_graph[krate].cfg_options; - let variant = 'tri: loop { - let mut idx = 0; - for variant in enum_.variants.clone() { - let attrs = item_tree.attrs(db, krate, variant.into()); - if attrs.is_cfg_enabled(cfg_options) { - if it.local_id == Idx::from_raw(RawIdx::from(idx)) { - break 'tri variant; - } - idx += 1; - } - } + + let Some(variant) = enum_.variants.clone().filter(|variant| { + let attrs = item_tree.attrs(db, krate, (*variant).into()); + attrs.is_cfg_enabled(cfg_options) + }) + .zip(0u32..) + .find(|(_variant, idx)| it.local_id == Idx::from_raw(RawIdx::from(*idx))) + .map(|(variant, _idx)| variant) + else { return Arc::new(res); }; + (item_tree[variant].fields.clone(), item_tree, krate) } VariantId::StructId(it) => { @@ -358,7 +233,7 @@ impl Attrs { pub fn has_doc_hidden(&self) -> bool { self.by_key("doc").tt_values().any(|tt| { - tt.delimiter_kind() == Some(DelimiterKind::Parenthesis) && + tt.delimiter.kind == DelimiterKind::Parenthesis && matches!(&*tt.token_trees, [tt::TokenTree::Leaf(tt::Leaf::Ident(ident))] if ident.text == "hidden") }) } @@ -403,7 +278,7 @@ impl AttrsWithOwner { .raw_attrs(AttrOwner::ModItem(definition_tree_id.value.into())) .clone(), ModuleOrigin::BlockExpr { block } => RawAttrs::from_attrs_owner( - db, + db.upcast(), InFile::new(block.file_id, block.to_node(db.upcast())) .as_ref() .map(|it| it as &dyn ast::HasAttrs), @@ -439,7 +314,7 @@ impl AttrsWithOwner { GenericParamId::ConstParamId(it) => { let src = it.parent().child_source(db); RawAttrs::from_attrs_owner( - db, + db.upcast(), src.with_value(src.value[it.local_id()].as_ref().either( |it| match it { ast::TypeOrConstParam::Type(it) => it as _, @@ -452,7 +327,7 @@ impl AttrsWithOwner { GenericParamId::TypeParamId(it) => { let src = it.parent().child_source(db); RawAttrs::from_attrs_owner( - db, + db.upcast(), src.with_value(src.value[it.local_id()].as_ref().either( |it| match it { ast::TypeOrConstParam::Type(it) => it as _, @@ -464,14 +339,14 @@ impl AttrsWithOwner { } GenericParamId::LifetimeParamId(it) => { let src = it.parent.child_source(db); - RawAttrs::from_attrs_owner(db, src.with_value(&src.value[it.local_id])) + RawAttrs::from_attrs_owner(db.upcast(), src.with_value(&src.value[it.local_id])) } }, AttrDefId::ExternBlockId(it) => attrs_from_item_tree(it.lookup(db).id, db), }; - let attrs = raw_attrs.filter(db, def.krate(db)); - Self { attrs, owner: def } + let attrs = raw_attrs.filter(db.upcast(), def.krate(db)); + Self { attrs: Attrs(attrs), owner: def } } pub fn source_map(&self, db: &dyn DefDatabase) -> AttrSourceMap { @@ -627,40 +502,6 @@ fn doc_indent(attrs: &Attrs) -> usize { .unwrap_or(0) } -fn inner_attributes( - syntax: &SyntaxNode, -) -> Option<impl Iterator<Item = Either<ast::Attr, ast::Comment>>> { - let node = match_ast! { - match syntax { - ast::SourceFile(_) => syntax.clone(), - ast::ExternBlock(it) => it.extern_item_list()?.syntax().clone(), - ast::Fn(it) => it.body()?.stmt_list()?.syntax().clone(), - ast::Impl(it) => it.assoc_item_list()?.syntax().clone(), - ast::Module(it) => it.item_list()?.syntax().clone(), - ast::BlockExpr(it) => { - use syntax::SyntaxKind::{BLOCK_EXPR , EXPR_STMT}; - // Block expressions accept outer and inner attributes, but only when they are the outer - // expression of an expression statement or the final expression of another block expression. - let may_carry_attributes = matches!( - it.syntax().parent().map(|it| it.kind()), - Some(BLOCK_EXPR | EXPR_STMT) - ); - if !may_carry_attributes { - return None - } - syntax.clone() - }, - _ => return None, - } - }; - - let attrs = ast::AttrDocCommentIter::from_syntax_node(&node).filter(|el| match el { - Either::Left(attr) => attr.kind().is_inner(), - Either::Right(comment) => comment.is_inner(), - }); - Some(attrs) -} - #[derive(Debug)] pub struct AttrSourceMap { source: Vec<Either<ast::Attr, ast::Comment>>, @@ -703,7 +544,7 @@ impl AttrSourceMap { } fn source_of_id(&self, id: AttrId) -> InFile<&Either<ast::Attr, ast::Comment>> { - let ast_idx = id.ast_index as usize; + let ast_idx = id.ast_index(); let file_id = match self.mod_def_site_file_id { Some((file_id, def_site_cut)) if def_site_cut <= ast_idx => file_id, _ => self.file_id, @@ -779,128 +620,6 @@ fn get_doc_string_in_attr(it: &ast::Attr) -> Option<ast::String> { } } -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct AttrId { - pub(crate) ast_index: u32, -} - -#[derive(Debug, Clone, PartialEq, Eq)] -pub struct Attr { - pub(crate) id: AttrId, - pub(crate) path: Interned<ModPath>, - pub(crate) input: Option<Interned<AttrInput>>, -} - -#[derive(Debug, Clone, PartialEq, Eq, Hash)] -pub enum AttrInput { - /// `#[attr = "string"]` - Literal(SmolStr), - /// `#[attr(subtree)]` - TokenTree(tt::Subtree, mbe::TokenMap), -} - -impl fmt::Display for AttrInput { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self { - AttrInput::Literal(lit) => write!(f, " = \"{}\"", lit.escape_debug()), - AttrInput::TokenTree(subtree, _) => subtree.fmt(f), - } - } -} - -impl Attr { - fn from_src( - db: &dyn DefDatabase, - ast: ast::Meta, - hygiene: &Hygiene, - id: AttrId, - ) -> Option<Attr> { - let path = Interned::new(ModPath::from_src(db.upcast(), ast.path()?, hygiene)?); - let input = if let Some(ast::Expr::Literal(lit)) = ast.expr() { - let value = match lit.kind() { - ast::LiteralKind::String(string) => string.value()?.into(), - _ => lit.syntax().first_token()?.text().trim_matches('"').into(), - }; - Some(Interned::new(AttrInput::Literal(value))) - } else if let Some(tt) = ast.token_tree() { - let (tree, map) = syntax_node_to_token_tree(tt.syntax()); - Some(Interned::new(AttrInput::TokenTree(tree, map))) - } else { - None - }; - Some(Attr { id, path, input }) - } - - fn from_tt( - db: &dyn DefDatabase, - tt: &tt::Subtree, - hygiene: &Hygiene, - id: AttrId, - ) -> Option<Attr> { - let (parse, _) = mbe::token_tree_to_syntax_node(tt, mbe::TopEntryPoint::MetaItem); - let ast = ast::Meta::cast(parse.syntax_node())?; - - Self::from_src(db, ast, hygiene, id) - } - - pub fn path(&self) -> &ModPath { - &self.path - } -} - -impl Attr { - /// #[path = "string"] - pub fn string_value(&self) -> Option<&SmolStr> { - match self.input.as_deref()? { - AttrInput::Literal(it) => Some(it), - _ => None, - } - } - - /// #[path(ident)] - pub fn single_ident_value(&self) -> Option<&tt::Ident> { - match self.input.as_deref()? { - AttrInput::TokenTree(subtree, _) => match &*subtree.token_trees { - [tt::TokenTree::Leaf(tt::Leaf::Ident(ident))] => Some(ident), - _ => None, - }, - _ => None, - } - } - - /// #[path TokenTree] - pub fn token_tree_value(&self) -> Option<&Subtree> { - match self.input.as_deref()? { - AttrInput::TokenTree(subtree, _) => Some(subtree), - _ => None, - } - } - - /// Parses this attribute as a token tree consisting of comma separated paths. - pub fn parse_path_comma_token_tree(&self) -> Option<impl Iterator<Item = ModPath> + '_> { - let args = self.token_tree_value()?; - - if args.delimiter_kind() != Some(DelimiterKind::Parenthesis) { - return None; - } - let paths = args - .token_trees - .split(|tt| matches!(tt, tt::TokenTree::Leaf(tt::Leaf::Punct(Punct { char: ',', .. })))) - .filter_map(|tts| { - if tts.is_empty() { - return None; - } - let segments = tts.iter().filter_map(|tt| match tt { - tt::TokenTree::Leaf(tt::Leaf::Ident(id)) => Some(id.as_name()), - _ => None, - }); - Some(ModPath::from_segments(PathKind::Plain, segments)) - }); - - Some(paths) - } -} - #[derive(Debug, Clone, Copy)] pub struct AttrQuery<'attr> { attrs: &'attr Attrs, @@ -908,7 +627,7 @@ pub struct AttrQuery<'attr> { } impl<'attr> AttrQuery<'attr> { - pub fn tt_values(self) -> impl Iterator<Item = &'attr Subtree> { + pub fn tt_values(self) -> impl Iterator<Item = &'attr crate::tt::Subtree> { self.attrs().filter_map(|attr| attr.token_tree_value()) } @@ -953,21 +672,6 @@ fn attrs_from_item_tree<N: ItemTreeNode>(id: ItemTreeId<N>, db: &dyn DefDatabase tree.raw_attrs(mod_item.into()).clone() } -fn collect_attrs( - owner: &dyn ast::HasAttrs, -) -> impl Iterator<Item = (AttrId, Either<ast::Attr, ast::Comment>)> { - let inner_attrs = inner_attributes(owner.syntax()).into_iter().flatten(); - let outer_attrs = - ast::AttrDocCommentIter::from_syntax_node(owner.syntax()).filter(|el| match el { - Either::Left(attr) => attr.kind().is_outer(), - Either::Right(comment) => comment.is_outer(), - }); - outer_attrs - .chain(inner_attrs) - .enumerate() - .map(|(id, attr)| (AttrId { ast_index: id as u32 }, attr)) -} - pub(crate) fn variants_attrs_source_map( db: &dyn DefDatabase, def: EnumId, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/body.rs b/src/tools/rust-analyzer/crates/hir-def/src/body.rs index 78fbaa9d7d3..9713256813e 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/body.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/body.rs @@ -12,7 +12,9 @@ use base_db::CrateId; use cfg::{CfgExpr, CfgOptions}; use drop_bomb::DropBomb; use either::Either; -use hir_expand::{hygiene::Hygiene, ExpandError, ExpandResult, HirFileId, InFile, MacroCallId}; +use hir_expand::{ + attrs::RawAttrs, hygiene::Hygiene, ExpandError, ExpandResult, HirFileId, InFile, MacroCallId, +}; use la_arena::{Arena, ArenaMap}; use limit::Limit; use profile::Count; @@ -20,7 +22,7 @@ use rustc_hash::FxHashMap; use syntax::{ast, AstPtr, SyntaxNodePtr}; use crate::{ - attr::{Attrs, RawAttrs}, + attr::Attrs, db::DefDatabase, expr::{dummy_expr_id, Expr, ExprId, Label, LabelId, Pat, PatId}, item_scope::BuiltinShadowMode, @@ -64,7 +66,7 @@ impl CfgExpander { } pub(crate) fn parse_attrs(&self, db: &dyn DefDatabase, owner: &dyn ast::HasAttrs) -> Attrs { - RawAttrs::new(db, owner, &self.hygiene).filter(db, self.krate) + Attrs::filter(db, self.krate, RawAttrs::new(db.upcast(), owner, &self.hygiene)) } pub(crate) fn is_cfg_enabled(&self, db: &dyn DefDatabase, owner: &dyn ast::HasAttrs) -> bool { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs index e8da24e3add..a78fa91f53b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/body/lower.rs @@ -10,6 +10,7 @@ use hir_expand::{ name::{name, AsName, Name}, AstId, ExpandError, HirFileId, InFile, }; +use intern::Interned; use la_arena::Arena; use once_cell::unsync::OnceCell; use profile::Count; @@ -33,7 +34,6 @@ use crate::{ Label, LabelId, Literal, MatchArm, Movability, Pat, PatId, RecordFieldPat, RecordLitField, Statement, }, - intern::Interned, item_scope::BuiltinShadowMode, path::{GenericArgs, Path}, type_ref::{Mutability, Rawness, TypeRef}, @@ -67,9 +67,9 @@ impl<'a> LowerCtx<'a> { Path::from_src(ast, self) } - pub(crate) fn ast_id<N: AstNode>(&self, db: &dyn DefDatabase, item: &N) -> Option<AstId<N>> { + pub(crate) fn ast_id<N: AstNode>(&self, item: &N) -> Option<AstId<N>> { let &(file_id, ref ast_id_map) = self.ast_id_map.as_ref()?; - let ast_id_map = ast_id_map.get_or_init(|| db.ast_id_map(file_id)); + let ast_id_map = ast_id_map.get_or_init(|| self.db.ast_id_map(file_id)); Some(InFile::new(file_id, ast_id_map.ast_id(item))) } } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/body/pretty.rs b/src/tools/rust-analyzer/crates/hir-def/src/body/pretty.rs index 10b9b26bbea..4b4664a1cf4 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/body/pretty.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/body/pretty.rs @@ -80,7 +80,7 @@ impl<'a> Write for Printer<'a> { fn write_str(&mut self, s: &str) -> fmt::Result { for line in s.split_inclusive('\n') { if self.needs_indent { - match self.buf.chars().rev().skip_while(|ch| *ch == ' ').next() { + match self.buf.chars().rev().find(|ch| *ch != ' ') { Some('\n') | None => {} _ => self.buf.push('\n'), } @@ -113,7 +113,7 @@ impl<'a> Printer<'a> { } fn newline(&mut self) { - match self.buf.chars().rev().skip_while(|ch| *ch == ' ').next() { + match self.buf.chars().rev().find(|ch| *ch != ' ') { Some('\n') | None => {} _ => writeln!(self).unwrap(), } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/child_by_source.rs b/src/tools/rust-analyzer/crates/hir-def/src/child_by_source.rs index bb13165257b..19d2fe956f0 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/child_by_source.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/child_by_source.rs @@ -117,7 +117,7 @@ impl ChildBySource for ItemScope { let adt = ast_id.to_node(db.upcast()); calls.for_each(|(attr_id, call_id, calls)| { if let Some(Either::Left(attr)) = - adt.doc_comments_and_attrs().nth(attr_id.ast_index as usize) + adt.doc_comments_and_attrs().nth(attr_id.ast_index()) { res[keys::DERIVE_MACRO_CALL].insert(attr, (attr_id, call_id, calls.into())); } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/data.rs b/src/tools/rust-analyzer/crates/hir-def/src/data.rs index e6b05f27a54..c3c1dfd39ac 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/data.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/data.rs @@ -3,6 +3,7 @@ use std::sync::Arc; use hir_expand::{name::Name, AstId, ExpandResult, HirFileId, InFile, MacroCallId, MacroDefKind}; +use intern::Interned; use smallvec::SmallVec; use syntax::ast; @@ -10,7 +11,6 @@ use crate::{ attr::Attrs, body::{Expander, Mark}, db::DefDatabase, - intern::Interned, item_tree::{self, AssocItem, FnFlags, ItemTree, ItemTreeId, ModItem, Param, TreeId}, nameres::{ attr_resolution::ResolvedAttr, @@ -142,7 +142,7 @@ impl FunctionData { } } -fn parse_rustc_legacy_const_generics(tt: &tt::Subtree) -> Box<[u32]> { +fn parse_rustc_legacy_const_generics(tt: &crate::tt::Subtree) -> Box<[u32]> { let mut indices = Vec::new(); for args in tt.token_trees.chunks(2) { match &args[0] { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/db.rs b/src/tools/rust-analyzer/crates/hir-def/src/db.rs index 431c8255497..b23427a73b3 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/db.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/db.rs @@ -4,8 +4,9 @@ use std::sync::Arc; use base_db::{salsa, CrateId, SourceDatabase, Upcast}; use either::Either; use hir_expand::{db::AstDatabase, HirFileId}; +use intern::Interned; use la_arena::ArenaMap; -use syntax::{ast, AstPtr, SmolStr}; +use syntax::{ast, AstPtr}; use crate::{ adt::{EnumData, StructData}, @@ -17,9 +18,8 @@ use crate::{ }, generics::GenericParams, import_map::ImportMap, - intern::Interned, item_tree::{AttrOwner, ItemTree}, - lang_item::{LangItemTarget, LangItems}, + lang_item::{LangItem, LangItemTarget, LangItems}, nameres::{diagnostics::DefDiagnostic, DefMap}, visibility::{self, Visibility}, AttrDefId, BlockId, BlockLoc, ConstId, ConstLoc, DefWithBodyId, EnumId, EnumLoc, ExternBlockId, @@ -183,7 +183,7 @@ pub trait DefDatabase: InternDatabase + AstDatabase + Upcast<dyn AstDatabase> { fn crate_lang_items(&self, krate: CrateId) -> Arc<LangItems>; #[salsa::invoke(LangItems::lang_item_query)] - fn lang_item(&self, start_crate: CrateId, item: SmolStr) -> Option<LangItemTarget>; + fn lang_item(&self, start_crate: CrateId, item: LangItem) -> Option<LangItemTarget>; #[salsa::invoke(ImportMap::import_map_query)] fn import_map(&self, krate: CrateId) -> Arc<ImportMap>; diff --git a/src/tools/rust-analyzer/crates/hir-def/src/expr.rs b/src/tools/rust-analyzer/crates/hir-def/src/expr.rs index 7b656942119..48028b7c6a8 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/expr.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/expr.rs @@ -15,11 +15,11 @@ use std::fmt; use hir_expand::name::Name; +use intern::Interned; use la_arena::{Idx, RawIdx}; use crate::{ builtin_type::{BuiltinFloat, BuiltinInt, BuiltinUint}, - intern::Interned, path::{GenericArgs, Path}, type_ref::{Mutability, Rawness, TypeRef}, BlockId, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs b/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs index ddd7ad99e9a..3f439232083 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/find_path.rs @@ -811,7 +811,7 @@ pub struct S; fn prelude() { check_found_path( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std $0 //- /std.rs crate:std pub mod prelude { @@ -852,7 +852,7 @@ pub mod prelude { fn imported_prelude() { check_found_path( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std use S; $0 //- /std.rs crate:std @@ -872,7 +872,7 @@ pub mod prelude { #[test] fn enum_variant_from_prelude() { let code = r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std $0 //- /std.rs crate:std pub mod prelude { @@ -1273,7 +1273,7 @@ fn f() { fn prelude_with_inner_items() { check_found_path( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std fn f() { fn inner() {} $0 diff --git a/src/tools/rust-analyzer/crates/hir-def/src/generics.rs b/src/tools/rust-analyzer/crates/hir-def/src/generics.rs index f74559f5d66..b2ab0c30e03 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/generics.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/generics.rs @@ -9,6 +9,7 @@ use hir_expand::{ name::{AsName, Name}, ExpandResult, HirFileId, InFile, }; +use intern::Interned; use la_arena::{Arena, ArenaMap, Idx}; use once_cell::unsync::Lazy; use std::ops::DerefMut; @@ -20,7 +21,6 @@ use crate::{ child_by_source::ChildBySource, db::DefDatabase, dyn_map::DynMap, - intern::Interned, keys, src::{HasChildSource, HasSource}, type_ref::{LifetimeRef, TypeBound, TypeRef}, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_scope.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_scope.rs index c7b213b7e98..53a4173ff42 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_scope.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_scope.rs @@ -4,7 +4,7 @@ use std::collections::hash_map::Entry; use base_db::CrateId; -use hir_expand::{name::Name, AstId, MacroCallId}; +use hir_expand::{attrs::AttrId, name::Name, AstId, MacroCallId}; use itertools::Itertools; use once_cell::sync::Lazy; use profile::Count; @@ -14,8 +14,8 @@ use stdx::format_to; use syntax::ast; use crate::{ - attr::AttrId, db::DefDatabase, per_ns::PerNs, visibility::Visibility, AdtId, BuiltinType, - ConstId, HasModule, ImplId, LocalModuleId, MacroId, ModuleDefId, ModuleId, TraitId, + db::DefDatabase, per_ns::PerNs, visibility::Visibility, AdtId, BuiltinType, ConstId, HasModule, + ImplId, LocalModuleId, MacroId, ModuleDefId, ModuleId, TraitId, }; #[derive(Copy, Clone, Debug)] diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree.rs index 80297f8adf1..19d01630ef0 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree.rs @@ -48,10 +48,12 @@ use base_db::CrateId; use either::Either; use hir_expand::{ ast_id_map::FileAstId, + attrs::RawAttrs, hygiene::Hygiene, name::{name, AsName, Name}, ExpandTo, HirFileId, InFile, }; +use intern::Interned; use la_arena::{Arena, Idx, IdxRange, RawIdx}; use profile::Count; use rustc_hash::FxHashMap; @@ -60,10 +62,9 @@ use stdx::never; use syntax::{ast, match_ast, SyntaxKind}; use crate::{ - attr::{Attrs, RawAttrs}, + attr::Attrs, db::DefDatabase, generics::GenericParams, - intern::Interned, path::{path, AssociatedTypeBinding, GenericArgs, ImportAlias, ModPath, Path, PathKind}, type_ref::{Mutability, TraitRef, TypeBound, TypeRef}, visibility::RawVisibility, @@ -110,7 +111,8 @@ impl ItemTree { Some(node) => node, None => return Default::default(), }; - if never!(syntax.kind() == SyntaxKind::ERROR) { + if never!(syntax.kind() == SyntaxKind::ERROR, "{:?} from {:?} {}", file_id, syntax, syntax) + { // FIXME: not 100% sure why these crop up, but return an empty tree to avoid a panic return Default::default(); } @@ -120,7 +122,7 @@ impl ItemTree { let mut item_tree = match_ast! { match syntax { ast::SourceFile(file) => { - top_attrs = Some(RawAttrs::new(db, &file, ctx.hygiene())); + top_attrs = Some(RawAttrs::new(db.upcast(), &file, ctx.hygiene())); ctx.lower_module_items(&file) }, ast::MacroItems(items) => { @@ -132,7 +134,7 @@ impl ItemTree { ctx.lower_macro_stmts(stmts) }, _ => { - panic!("cannot create item tree from {syntax:?} {syntax}"); + panic!("cannot create item tree for file {file_id:?} from {syntax:?} {syntax}"); }, } }; @@ -152,7 +154,11 @@ impl ItemTree { /// Returns the inner attributes of the source file. pub fn top_level_attrs(&self, db: &dyn DefDatabase, krate: CrateId) -> Attrs { - self.attrs.get(&AttrOwner::TopLevel).unwrap_or(&RawAttrs::EMPTY).clone().filter(db, krate) + Attrs::filter( + db, + krate, + self.attrs.get(&AttrOwner::TopLevel).unwrap_or(&RawAttrs::EMPTY).clone(), + ) } pub(crate) fn raw_attrs(&self, of: AttrOwner) -> &RawAttrs { @@ -160,7 +166,7 @@ impl ItemTree { } pub(crate) fn attrs(&self, db: &dyn DefDatabase, krate: CrateId, of: AttrOwner) -> Attrs { - self.raw_attrs(of).clone().filter(db, krate) + Attrs::filter(db, krate, self.raw_attrs(of).clone()) } pub fn pretty_print(&self) -> String { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs index b25274bccc9..27705cbbbdc 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/lower.rs @@ -99,7 +99,7 @@ impl<'a> Ctx<'a> { } fn lower_mod_item(&mut self, item: &ast::Item) -> Option<ModItem> { - let attrs = RawAttrs::new(self.db, item, self.hygiene()); + let attrs = RawAttrs::new(self.db.upcast(), item, self.hygiene()); let item: ModItem = match item { ast::Item::Struct(ast) => self.lower_struct(ast)?.into(), ast::Item::Union(ast) => self.lower_union(ast)?.into(), @@ -173,7 +173,7 @@ impl<'a> Ctx<'a> { for field in fields.fields() { if let Some(data) = self.lower_record_field(&field) { let idx = self.data().fields.alloc(data); - self.add_attrs(idx.into(), RawAttrs::new(self.db, &field, self.hygiene())); + self.add_attrs(idx.into(), RawAttrs::new(self.db.upcast(), &field, self.hygiene())); } } let end = self.next_field_idx(); @@ -194,7 +194,7 @@ impl<'a> Ctx<'a> { for (i, field) in fields.fields().enumerate() { let data = self.lower_tuple_field(i, &field); let idx = self.data().fields.alloc(data); - self.add_attrs(idx.into(), RawAttrs::new(self.db, &field, self.hygiene())); + self.add_attrs(idx.into(), RawAttrs::new(self.db.upcast(), &field, self.hygiene())); } let end = self.next_field_idx(); IdxRange::new(start..end) @@ -239,7 +239,10 @@ impl<'a> Ctx<'a> { for variant in variants.variants() { if let Some(data) = self.lower_variant(&variant) { let idx = self.data().variants.alloc(data); - self.add_attrs(idx.into(), RawAttrs::new(self.db, &variant, self.hygiene())); + self.add_attrs( + idx.into(), + RawAttrs::new(self.db.upcast(), &variant, self.hygiene()), + ); } } let end = self.next_variant_idx(); @@ -283,7 +286,10 @@ impl<'a> Ctx<'a> { }; let ty = Interned::new(self_type); let idx = self.data().params.alloc(Param::Normal(None, ty)); - self.add_attrs(idx.into(), RawAttrs::new(self.db, &self_param, self.hygiene())); + self.add_attrs( + idx.into(), + RawAttrs::new(self.db.upcast(), &self_param, self.hygiene()), + ); has_self_param = true; } for param in param_list.params() { @@ -307,7 +313,7 @@ impl<'a> Ctx<'a> { self.data().params.alloc(Param::Normal(name, ty)) } }; - self.add_attrs(idx.into(), RawAttrs::new(self.db, ¶m, self.hygiene())); + self.add_attrs(idx.into(), RawAttrs::new(self.db.upcast(), ¶m, self.hygiene())); } } let end_param = self.next_param_idx(); @@ -442,7 +448,7 @@ impl<'a> Ctx<'a> { let items = trait_def.assoc_item_list().map(|list| { list.assoc_items() .filter_map(|item| { - let attrs = RawAttrs::new(self.db, &item, self.hygiene()); + let attrs = RawAttrs::new(self.db.upcast(), &item, self.hygiene()); self.lower_assoc_item(&item).map(|item| { self.add_attrs(ModItem::from(item).into(), attrs); item @@ -471,7 +477,7 @@ impl<'a> Ctx<'a> { .flat_map(|it| it.assoc_items()) .filter_map(|item| { let assoc = self.lower_assoc_item(&item)?; - let attrs = RawAttrs::new(self.db, &item, self.hygiene()); + let attrs = RawAttrs::new(self.db.upcast(), &item, self.hygiene()); self.add_attrs(ModItem::from(assoc).into(), attrs); Some(assoc) }) @@ -541,7 +547,7 @@ impl<'a> Ctx<'a> { // (in other words, the knowledge that they're in an extern block must not be used). // This is because an extern block can contain macros whose ItemTree's top-level items // should be considered to be in an extern block too. - let attrs = RawAttrs::new(self.db, &item, self.hygiene()); + let attrs = RawAttrs::new(self.db.upcast(), &item, self.hygiene()); let id: ModItem = match item { ast::ExternItem::Fn(ast) => self.lower_function(&ast)?.into(), ast::ExternItem::Static(ast) => self.lower_static(&ast)?.into(), diff --git a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/pretty.rs b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/pretty.rs index 48c40df22ff..8f230b87d01 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/item_tree/pretty.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/item_tree/pretty.rs @@ -3,7 +3,6 @@ use std::fmt::{self, Write}; use crate::{ - attr::RawAttrs, generics::{TypeOrConstParamData, WherePredicate, WherePredicateTypeTarget}, pretty::{print_path, print_type_bounds, print_type_ref}, visibility::RawVisibility, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/keys.rs b/src/tools/rust-analyzer/crates/hir-def/src/keys.rs index c5cb9a2af53..72beec8186c 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/keys.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/keys.rs @@ -2,12 +2,11 @@ use std::marker::PhantomData; -use hir_expand::MacroCallId; +use hir_expand::{attrs::AttrId, MacroCallId}; use rustc_hash::FxHashMap; use syntax::{ast, AstNode, AstPtr}; use crate::{ - attr::AttrId, dyn_map::{DynMap, Policy}, ConstId, EnumId, EnumVariantId, FieldId, FunctionId, ImplId, LifetimeParamId, Macro2Id, MacroRulesId, ProcMacroId, StaticId, StructId, TraitId, TypeAliasId, TypeOrConstParamId, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs b/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs index 87785018458..ab9bc615daf 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/lang_item.rs @@ -8,19 +8,21 @@ use rustc_hash::FxHashMap; use syntax::SmolStr; use crate::{ - db::DefDatabase, AdtId, AttrDefId, CrateId, EnumId, EnumVariantId, FunctionId, ImplId, - ModuleDefId, StaticId, StructId, TraitId, + db::DefDatabase, AdtId, AssocItemId, AttrDefId, CrateId, EnumId, EnumVariantId, FunctionId, + ImplId, ModuleDefId, StaticId, StructId, TraitId, TypeAliasId, UnionId, }; #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] pub enum LangItemTarget { EnumId(EnumId), - FunctionId(FunctionId), - ImplDefId(ImplId), - StaticId(StaticId), - StructId(StructId), - TraitId(TraitId), - EnumVariantId(EnumVariantId), + Function(FunctionId), + ImplDef(ImplId), + Static(StaticId), + Struct(StructId), + Union(UnionId), + TypeAlias(TypeAliasId), + Trait(TraitId), + EnumVariant(EnumVariantId), } impl LangItemTarget { @@ -33,42 +35,42 @@ impl LangItemTarget { pub fn as_function(self) -> Option<FunctionId> { match self { - LangItemTarget::FunctionId(id) => Some(id), + LangItemTarget::Function(id) => Some(id), _ => None, } } pub fn as_impl_def(self) -> Option<ImplId> { match self { - LangItemTarget::ImplDefId(id) => Some(id), + LangItemTarget::ImplDef(id) => Some(id), _ => None, } } pub fn as_static(self) -> Option<StaticId> { match self { - LangItemTarget::StaticId(id) => Some(id), + LangItemTarget::Static(id) => Some(id), _ => None, } } pub fn as_struct(self) -> Option<StructId> { match self { - LangItemTarget::StructId(id) => Some(id), + LangItemTarget::Struct(id) => Some(id), _ => None, } } pub fn as_trait(self) -> Option<TraitId> { match self { - LangItemTarget::TraitId(id) => Some(id), + LangItemTarget::Trait(id) => Some(id), _ => None, } } pub fn as_enum_variant(self) -> Option<EnumVariantId> { match self { - LangItemTarget::EnumVariantId(id) => Some(id), + LangItemTarget::EnumVariant(id) => Some(id), _ => None, } } @@ -76,12 +78,12 @@ impl LangItemTarget { #[derive(Default, Debug, Clone, PartialEq, Eq)] pub struct LangItems { - items: FxHashMap<SmolStr, LangItemTarget>, + items: FxHashMap<LangItem, LangItemTarget>, } impl LangItems { - pub fn target(&self, item: &str) -> Option<LangItemTarget> { - self.items.get(item).copied() + pub fn target(&self, item: LangItem) -> Option<LangItemTarget> { + self.items.get(&item).copied() } /// Salsa query. This will look for lang items in a specific crate. @@ -94,16 +96,27 @@ impl LangItems { for (_, module_data) in crate_def_map.modules() { for impl_def in module_data.scope.impls() { - lang_items.collect_lang_item(db, impl_def, LangItemTarget::ImplDefId) + lang_items.collect_lang_item(db, impl_def, LangItemTarget::ImplDef); + for assoc in db.impl_data(impl_def).items.iter().copied() { + match assoc { + AssocItemId::FunctionId(f) => { + lang_items.collect_lang_item(db, f, LangItemTarget::Function) + } + AssocItemId::TypeAliasId(t) => { + lang_items.collect_lang_item(db, t, LangItemTarget::TypeAlias) + } + AssocItemId::ConstId(_) => (), + } + } } for def in module_data.scope.declarations() { match def { ModuleDefId::TraitId(trait_) => { - lang_items.collect_lang_item(db, trait_, LangItemTarget::TraitId); + lang_items.collect_lang_item(db, trait_, LangItemTarget::Trait); db.trait_data(trait_).items.iter().for_each(|&(_, assoc_id)| { - if let crate::AssocItemId::FunctionId(f) = assoc_id { - lang_items.collect_lang_item(db, f, LangItemTarget::FunctionId); + if let AssocItemId::FunctionId(f) = assoc_id { + lang_items.collect_lang_item(db, f, LangItemTarget::Function); } }); } @@ -113,18 +126,24 @@ impl LangItems { lang_items.collect_lang_item( db, EnumVariantId { parent: e, local_id }, - LangItemTarget::EnumVariantId, + LangItemTarget::EnumVariant, ); }); } ModuleDefId::AdtId(AdtId::StructId(s)) => { - lang_items.collect_lang_item(db, s, LangItemTarget::StructId); + lang_items.collect_lang_item(db, s, LangItemTarget::Struct); + } + ModuleDefId::AdtId(AdtId::UnionId(u)) => { + lang_items.collect_lang_item(db, u, LangItemTarget::Union); } ModuleDefId::FunctionId(f) => { - lang_items.collect_lang_item(db, f, LangItemTarget::FunctionId); + lang_items.collect_lang_item(db, f, LangItemTarget::Function); } ModuleDefId::StaticId(s) => { - lang_items.collect_lang_item(db, s, LangItemTarget::StaticId); + lang_items.collect_lang_item(db, s, LangItemTarget::Static); + } + ModuleDefId::TypeAliasId(t) => { + lang_items.collect_lang_item(db, t, LangItemTarget::TypeAlias); } _ => {} } @@ -139,7 +158,7 @@ impl LangItems { pub(crate) fn lang_item_query( db: &dyn DefDatabase, start_crate: CrateId, - item: SmolStr, + item: LangItem, ) -> Option<LangItemTarget> { let _p = profile::span("lang_item_query"); let lang_items = db.crate_lang_items(start_crate); @@ -150,7 +169,7 @@ impl LangItems { db.crate_graph()[start_crate] .dependencies .iter() - .find_map(|dep| db.lang_item(dep.crate_id, item.clone())) + .find_map(|dep| db.lang_item(dep.crate_id, item)) } fn collect_lang_item<T>( @@ -162,8 +181,8 @@ impl LangItems { T: Into<AttrDefId> + Copy, { let _p = profile::span("collect_lang_item"); - if let Some(lang_item_name) = lang_attr(db, item) { - self.items.entry(lang_item_name).or_insert_with(|| constructor(item)); + if let Some(lang_item) = lang_attr(db, item).and_then(|it| LangItem::from_str(&it)) { + self.items.entry(lang_item).or_insert_with(|| constructor(item)); } } } @@ -172,3 +191,224 @@ pub fn lang_attr(db: &dyn DefDatabase, item: impl Into<AttrDefId> + Copy) -> Opt let attrs = db.attrs(item.into()); attrs.by_key("lang").string_value().cloned() } + +pub enum GenericRequirement { + None, + Minimum(usize), + Exact(usize), +} + +macro_rules! language_item_table { + ( + $( $(#[$attr:meta])* $variant:ident, $name:ident, $method:ident, $target:expr, $generics:expr; )* + ) => { + + /// A representation of all the valid language items in Rust. + #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)] + pub enum LangItem { + $( + #[doc = concat!("The `", stringify!($name), "` lang item.")] + $(#[$attr])* + $variant, + )* + } + + impl LangItem { + pub fn name(self) -> SmolStr { + match self { + $( LangItem::$variant => SmolStr::new(stringify!($name)), )* + } + } + + /// Opposite of [`LangItem::name`] + pub fn from_name(name: &hir_expand::name::Name) -> Option<Self> { + Self::from_str(name.as_str()?) + } + + /// Opposite of [`LangItem::name`] + pub fn from_str(name: &str) -> Option<Self> { + match name { + $( stringify!($name) => Some(LangItem::$variant), )* + _ => None, + } + } + } + } +} + +language_item_table! { +// Variant name, Name, Getter method name, Target Generic requirements; + Sized, sized, sized_trait, Target::Trait, GenericRequirement::Exact(0); + Unsize, unsize, unsize_trait, Target::Trait, GenericRequirement::Minimum(1); + /// Trait injected by `#[derive(PartialEq)]`, (i.e. "Partial EQ"). + StructuralPeq, structural_peq, structural_peq_trait, Target::Trait, GenericRequirement::None; + /// Trait injected by `#[derive(Eq)]`, (i.e. "Total EQ"; no, I will not apologize). + StructuralTeq, structural_teq, structural_teq_trait, Target::Trait, GenericRequirement::None; + Copy, copy, copy_trait, Target::Trait, GenericRequirement::Exact(0); + Clone, clone, clone_trait, Target::Trait, GenericRequirement::None; + Sync, sync, sync_trait, Target::Trait, GenericRequirement::Exact(0); + DiscriminantKind, discriminant_kind, discriminant_kind_trait, Target::Trait, GenericRequirement::None; + /// The associated item of the [`DiscriminantKind`] trait. + Discriminant, discriminant_type, discriminant_type, Target::AssocTy, GenericRequirement::None; + + PointeeTrait, pointee_trait, pointee_trait, Target::Trait, GenericRequirement::None; + Metadata, metadata_type, metadata_type, Target::AssocTy, GenericRequirement::None; + DynMetadata, dyn_metadata, dyn_metadata, Target::Struct, GenericRequirement::None; + + Freeze, freeze, freeze_trait, Target::Trait, GenericRequirement::Exact(0); + + Drop, drop, drop_trait, Target::Trait, GenericRequirement::None; + Destruct, destruct, destruct_trait, Target::Trait, GenericRequirement::None; + + CoerceUnsized, coerce_unsized, coerce_unsized_trait, Target::Trait, GenericRequirement::Minimum(1); + DispatchFromDyn, dispatch_from_dyn, dispatch_from_dyn_trait, Target::Trait, GenericRequirement::Minimum(1); + + // language items relating to transmutability + TransmuteOpts, transmute_opts, transmute_opts, Target::Struct, GenericRequirement::Exact(0); + TransmuteTrait, transmute_trait, transmute_trait, Target::Trait, GenericRequirement::Exact(3); + + Add, add, add_trait, Target::Trait, GenericRequirement::Exact(1); + Sub, sub, sub_trait, Target::Trait, GenericRequirement::Exact(1); + Mul, mul, mul_trait, Target::Trait, GenericRequirement::Exact(1); + Div, div, div_trait, Target::Trait, GenericRequirement::Exact(1); + Rem, rem, rem_trait, Target::Trait, GenericRequirement::Exact(1); + Neg, neg, neg_trait, Target::Trait, GenericRequirement::Exact(0); + Not, not, not_trait, Target::Trait, GenericRequirement::Exact(0); + BitXor, bitxor, bitxor_trait, Target::Trait, GenericRequirement::Exact(1); + BitAnd, bitand, bitand_trait, Target::Trait, GenericRequirement::Exact(1); + BitOr, bitor, bitor_trait, Target::Trait, GenericRequirement::Exact(1); + Shl, shl, shl_trait, Target::Trait, GenericRequirement::Exact(1); + Shr, shr, shr_trait, Target::Trait, GenericRequirement::Exact(1); + AddAssign, add_assign, add_assign_trait, Target::Trait, GenericRequirement::Exact(1); + SubAssign, sub_assign, sub_assign_trait, Target::Trait, GenericRequirement::Exact(1); + MulAssign, mul_assign, mul_assign_trait, Target::Trait, GenericRequirement::Exact(1); + DivAssign, div_assign, div_assign_trait, Target::Trait, GenericRequirement::Exact(1); + RemAssign, rem_assign, rem_assign_trait, Target::Trait, GenericRequirement::Exact(1); + BitXorAssign, bitxor_assign, bitxor_assign_trait, Target::Trait, GenericRequirement::Exact(1); + BitAndAssign, bitand_assign, bitand_assign_trait, Target::Trait, GenericRequirement::Exact(1); + BitOrAssign, bitor_assign, bitor_assign_trait, Target::Trait, GenericRequirement::Exact(1); + ShlAssign, shl_assign, shl_assign_trait, Target::Trait, GenericRequirement::Exact(1); + ShrAssign, shr_assign, shr_assign_trait, Target::Trait, GenericRequirement::Exact(1); + Index, index, index_trait, Target::Trait, GenericRequirement::Exact(1); + IndexMut, index_mut, index_mut_trait, Target::Trait, GenericRequirement::Exact(1); + + UnsafeCell, unsafe_cell, unsafe_cell_type, Target::Struct, GenericRequirement::None; + VaList, va_list, va_list, Target::Struct, GenericRequirement::None; + + Deref, deref, deref_trait, Target::Trait, GenericRequirement::Exact(0); + DerefMut, deref_mut, deref_mut_trait, Target::Trait, GenericRequirement::Exact(0); + DerefTarget, deref_target, deref_target, Target::AssocTy, GenericRequirement::None; + Receiver, receiver, receiver_trait, Target::Trait, GenericRequirement::None; + + Fn, fn, fn_trait, Target::Trait, GenericRequirement::Exact(1); + FnMut, fn_mut, fn_mut_trait, Target::Trait, GenericRequirement::Exact(1); + FnOnce, fn_once, fn_once_trait, Target::Trait, GenericRequirement::Exact(1); + + FnOnceOutput, fn_once_output, fn_once_output, Target::AssocTy, GenericRequirement::None; + + Future, future_trait, future_trait, Target::Trait, GenericRequirement::Exact(0); + GeneratorState, generator_state, gen_state, Target::Enum, GenericRequirement::None; + Generator, generator, gen_trait, Target::Trait, GenericRequirement::Minimum(1); + Unpin, unpin, unpin_trait, Target::Trait, GenericRequirement::None; + Pin, pin, pin_type, Target::Struct, GenericRequirement::None; + + PartialEq, eq, eq_trait, Target::Trait, GenericRequirement::Exact(1); + PartialOrd, partial_ord, partial_ord_trait, Target::Trait, GenericRequirement::Exact(1); + + // A number of panic-related lang items. The `panic` item corresponds to divide-by-zero and + // various panic cases with `match`. The `panic_bounds_check` item is for indexing arrays. + // + // The `begin_unwind` lang item has a predefined symbol name and is sort of a "weak lang item" + // in the sense that a crate is not required to have it defined to use it, but a final product + // is required to define it somewhere. Additionally, there are restrictions on crates that use + // a weak lang item, but do not have it defined. + Panic, panic, panic_fn, Target::Fn, GenericRequirement::Exact(0); + PanicNounwind, panic_nounwind, panic_nounwind, Target::Fn, GenericRequirement::Exact(0); + PanicFmt, panic_fmt, panic_fmt, Target::Fn, GenericRequirement::None; + PanicDisplay, panic_display, panic_display, Target::Fn, GenericRequirement::None; + ConstPanicFmt, const_panic_fmt, const_panic_fmt, Target::Fn, GenericRequirement::None; + PanicBoundsCheck, panic_bounds_check, panic_bounds_check_fn, Target::Fn, GenericRequirement::Exact(0); + PanicInfo, panic_info, panic_info, Target::Struct, GenericRequirement::None; + PanicLocation, panic_location, panic_location, Target::Struct, GenericRequirement::None; + PanicImpl, panic_impl, panic_impl, Target::Fn, GenericRequirement::None; + PanicCannotUnwind, panic_cannot_unwind, panic_cannot_unwind, Target::Fn, GenericRequirement::Exact(0); + /// libstd panic entry point. Necessary for const eval to be able to catch it + BeginPanic, begin_panic, begin_panic_fn, Target::Fn, GenericRequirement::None; + + ExchangeMalloc, exchange_malloc, exchange_malloc_fn, Target::Fn, GenericRequirement::None; + BoxFree, box_free, box_free_fn, Target::Fn, GenericRequirement::Minimum(1); + DropInPlace, drop_in_place, drop_in_place_fn, Target::Fn, GenericRequirement::Minimum(1); + AllocLayout, alloc_layout, alloc_layout, Target::Struct, GenericRequirement::None; + + Start, start, start_fn, Target::Fn, GenericRequirement::Exact(1); + + EhPersonality, eh_personality, eh_personality, Target::Fn, GenericRequirement::None; + EhCatchTypeinfo, eh_catch_typeinfo, eh_catch_typeinfo, Target::Static, GenericRequirement::None; + + OwnedBox, owned_box, owned_box, Target::Struct, GenericRequirement::Minimum(1); + + PhantomData, phantom_data, phantom_data, Target::Struct, GenericRequirement::Exact(1); + + ManuallyDrop, manually_drop, manually_drop, Target::Struct, GenericRequirement::None; + + MaybeUninit, maybe_uninit, maybe_uninit, Target::Union, GenericRequirement::None; + + /// Align offset for stride != 1; must not panic. + AlignOffset, align_offset, align_offset_fn, Target::Fn, GenericRequirement::None; + + Termination, termination, termination, Target::Trait, GenericRequirement::None; + + Try, Try, try_trait, Target::Trait, GenericRequirement::None; + + Tuple, tuple_trait, tuple_trait, Target::Trait, GenericRequirement::Exact(0); + + SliceLen, slice_len_fn, slice_len_fn, Target::Method(MethodKind::Inherent), GenericRequirement::None; + + // Language items from AST lowering + TryTraitFromResidual, from_residual, from_residual_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + TryTraitFromOutput, from_output, from_output_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + TryTraitBranch, branch, branch_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + TryTraitFromYeet, from_yeet, from_yeet_fn, Target::Fn, GenericRequirement::None; + + PointerSized, pointer_sized, pointer_sized, Target::Trait, GenericRequirement::Exact(0); + + Poll, Poll, poll, Target::Enum, GenericRequirement::None; + PollReady, Ready, poll_ready_variant, Target::Variant, GenericRequirement::None; + PollPending, Pending, poll_pending_variant, Target::Variant, GenericRequirement::None; + + // FIXME(swatinem): the following lang items are used for async lowering and + // should become obsolete eventually. + ResumeTy, ResumeTy, resume_ty, Target::Struct, GenericRequirement::None; + IdentityFuture, identity_future, identity_future_fn, Target::Fn, GenericRequirement::None; + GetContext, get_context, get_context_fn, Target::Fn, GenericRequirement::None; + + Context, Context, context, Target::Struct, GenericRequirement::None; + FuturePoll, poll, future_poll_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + + FromFrom, from, from_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + + OptionSome, Some, option_some_variant, Target::Variant, GenericRequirement::None; + OptionNone, None, option_none_variant, Target::Variant, GenericRequirement::None; + + ResultOk, Ok, result_ok_variant, Target::Variant, GenericRequirement::None; + ResultErr, Err, result_err_variant, Target::Variant, GenericRequirement::None; + + ControlFlowContinue, Continue, cf_continue_variant, Target::Variant, GenericRequirement::None; + ControlFlowBreak, Break, cf_break_variant, Target::Variant, GenericRequirement::None; + + IntoFutureIntoFuture, into_future, into_future_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + IntoIterIntoIter, into_iter, into_iter_fn, Target::Method(MethodKind::Trait { body: false }), GenericRequirement::None; + IteratorNext, next, next_fn, Target::Method(MethodKind::Trait { body: false}), GenericRequirement::None; + + PinNewUnchecked, new_unchecked, new_unchecked_fn, Target::Method(MethodKind::Inherent), GenericRequirement::None; + + RangeFrom, RangeFrom, range_from_struct, Target::Struct, GenericRequirement::None; + RangeFull, RangeFull, range_full_struct, Target::Struct, GenericRequirement::None; + RangeInclusiveStruct, RangeInclusive, range_inclusive_struct, Target::Struct, GenericRequirement::None; + RangeInclusiveNew, range_inclusive_new, range_inclusive_new_method, Target::Method(MethodKind::Inherent), GenericRequirement::None; + Range, Range, range_struct, Target::Struct, GenericRequirement::None; + RangeToInclusive, RangeToInclusive, range_to_inclusive_struct, Target::Struct, GenericRequirement::None; + RangeTo, RangeTo, range_to_struct, Target::Struct, GenericRequirement::None; + + String, String, string, Target::Struct, GenericRequirement::None; +} diff --git a/src/tools/rust-analyzer/crates/hir-def/src/layout.rs b/src/tools/rust-analyzer/crates/hir-def/src/layout.rs index 6bb4cd94f8a..49b1190ad46 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/layout.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/layout.rs @@ -90,6 +90,7 @@ impl IntegerExt for Integer { pub enum LayoutError { UserError(String), SizeOverflow, + TargetLayoutNotAvailable, HasPlaceholder, NotImplemented, Unknown, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/lib.rs b/src/tools/rust-analyzer/crates/hir-def/src/lib.rs index 8267ef09cb0..d07c5fb67c6 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/lib.rs @@ -28,7 +28,6 @@ pub mod dyn_map; pub mod keys; pub mod item_tree; -pub mod intern; pub mod adt; pub mod data; @@ -61,10 +60,10 @@ use std::{ sync::Arc, }; -use attr::Attr; use base_db::{impl_intern_key, salsa, CrateId, ProcMacroKind}; use hir_expand::{ ast_id_map::FileAstId, + attrs::{Attr, AttrId, AttrInput}, builtin_attr_macro::BuiltinAttrExpander, builtin_derive_macro::BuiltinDeriveExpander, builtin_fn_macro::{BuiltinFnLikeExpander, EagerExpander}, @@ -80,9 +79,10 @@ use nameres::DefMap; use stdx::impl_from; use syntax::ast; +use ::tt::token_id as tt; + use crate::{ adt::VariantData, - attr::AttrId, builtin_type::BuiltinType, item_tree::{ Const, Enum, Function, Impl, ItemTreeId, ItemTreeNode, MacroDef, MacroRules, ModItem, @@ -292,6 +292,7 @@ pub struct Macro2Loc { pub container: ModuleId, pub id: ItemTreeId<MacroDef>, pub expander: MacroExpander, + pub allow_internal_unsafe: bool, } impl_intern!(Macro2Id, Macro2Loc, intern_macro2, lookup_intern_macro2); @@ -301,8 +302,9 @@ pub struct MacroRulesId(salsa::InternId); pub struct MacroRulesLoc { pub container: ModuleId, pub id: ItemTreeId<MacroRules>, - pub local_inner: bool, pub expander: MacroExpander, + pub allow_internal_unsafe: bool, + pub local_inner: bool, } impl_intern!(MacroRulesId, MacroRulesLoc, intern_macro_rules, lookup_intern_macro_rules); @@ -896,6 +898,7 @@ pub fn macro_id_to_def_id(db: &dyn db::DefDatabase, id: MacroId) -> MacroDefId { } }, local_inner: false, + allow_internal_unsafe: loc.allow_internal_unsafe, } } MacroId::MacroRulesId(it) => { @@ -920,6 +923,7 @@ pub fn macro_id_to_def_id(db: &dyn db::DefDatabase, id: MacroId) -> MacroDefId { } }, local_inner: loc.local_inner, + allow_internal_unsafe: loc.allow_internal_unsafe, } } MacroId::ProcMacroId(it) => { @@ -935,6 +939,7 @@ pub fn macro_id_to_def_id(db: &dyn db::DefDatabase, id: MacroId) -> MacroDefId { InFile::new(loc.id.file_id(), makro.ast_id), ), local_inner: false, + allow_internal_unsafe: false, } } } @@ -943,7 +948,7 @@ pub fn macro_id_to_def_id(db: &dyn db::DefDatabase, id: MacroId) -> MacroDefId { fn derive_macro_as_call_id( db: &dyn db::DefDatabase, item_attr: &AstIdWithPath<ast::Adt>, - derive_attr: AttrId, + derive_attr_index: AttrId, derive_pos: u32, krate: CrateId, resolver: impl Fn(path::ModPath) -> Option<(MacroId, MacroDefId)>, @@ -956,7 +961,7 @@ fn derive_macro_as_call_id( MacroCallKind::Derive { ast_id: item_attr.ast_id, derive_index: derive_pos, - derive_attr_index: derive_attr.ast_index, + derive_attr_index, }, ); Ok((macro_id, def_id, call_id)) @@ -970,23 +975,33 @@ fn attr_macro_as_call_id( def: MacroDefId, is_derive: bool, ) -> MacroCallId { - let mut arg = match macro_attr.input.as_deref() { - Some(attr::AttrInput::TokenTree(tt, map)) => (tt.clone(), map.clone()), - _ => Default::default(), + let arg = match macro_attr.input.as_deref() { + Some(AttrInput::TokenTree(tt, map)) => ( + { + let mut tt = tt.clone(); + tt.delimiter = tt::Delimiter::UNSPECIFIED; + tt + }, + map.clone(), + ), + _ => (tt::Subtree::empty(), Default::default()), }; - // The parentheses are always disposed here. - arg.0.delimiter = None; - - let res = def.as_lazy_macro( + def.as_lazy_macro( db.upcast(), krate, MacroCallKind::Attr { ast_id: item_attr.ast_id, attr_args: Arc::new(arg), - invoc_attr_index: macro_attr.id.ast_index, + invoc_attr_index: macro_attr.id, is_derive, }, - ); - res -} + ) +} +intern::impl_internable!( + crate::type_ref::TypeRef, + crate::type_ref::TraitRef, + crate::type_ref::TypeBound, + crate::path::GenericArgs, + generics::GenericParams, +); diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests.rs index 79c85d11831..5ab90d92d9b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests.rs @@ -30,7 +30,7 @@ use syntax::{ SyntaxKind::{self, COMMENT, EOF, IDENT, LIFETIME_IDENT}, SyntaxNode, TextRange, T, }; -use tt::{Subtree, TokenId}; +use tt::token_id::{Subtree, TokenId}; use crate::{ db::DefDatabase, macro_id_to_def_id, nameres::ModuleSource, resolver::HasResolver, @@ -97,7 +97,9 @@ pub fn identity_when_valid(_attr: TokenStream, item: TokenStream) -> TokenStream let ast_id = AstId::new(source.file_id, file_ast_id.upcast()); let kind = MacroDefKind::Declarative(ast_id); - let macro_def = db.macro_def(MacroDefId { krate, kind, local_inner: false }).unwrap(); + let macro_def = db + .macro_def(MacroDefId { krate, kind, local_inner: false, allow_internal_unsafe: false }) + .unwrap(); if let TokenExpander::DeclarativeMacro { mac, def_site_token_map } = &*macro_def { let tt = match ¯o_ { ast::Macro::MacroRules(mac) => mac.token_tree().unwrap(), @@ -251,9 +253,9 @@ fn extract_id_ranges(ranges: &mut Vec<(TextRange, TokenId)>, map: &TokenMap, tre tree.token_trees.iter().for_each(|tree| match tree { tt::TokenTree::Leaf(leaf) => { let id = match leaf { - tt::Leaf::Literal(it) => it.id, - tt::Leaf::Punct(it) => it.id, - tt::Leaf::Ident(it) => it.id, + tt::Leaf::Literal(it) => it.span, + tt::Leaf::Punct(it) => it.span, + tt::Leaf::Ident(it) => it.span, }; ranges.extend(map.ranges_by_token(id, SyntaxKind::ERROR).map(|range| (range, id))); } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs index 2d5f2a692e5..49bbc64bff1 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/mbe.rs @@ -97,6 +97,41 @@ fn#19 main#20(#21)#21 {#22 "##]], ); } +#[test] +fn float_field_acces_macro_input() { + check( + r#" +macro_rules! foo { + ($expr:expr) => { + fn foo() { + $expr; + } + }; +} +foo!(x .0.1); +foo!(x .2. 3); +foo!(x .4 .5); +"#, + expect![[r#" +macro_rules! foo { + ($expr:expr) => { + fn foo() { + $expr; + } + }; +} +fn foo() { + (x.0.1); +} +fn foo() { + (x.2.3); +} +fn foo() { + (x.4.5); +} +"#]], + ); +} #[test] fn mbe_smoke_test() { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs index 118c14ed843..822bdcc122d 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/macro_expansion_tests/proc_macros.rs @@ -104,7 +104,7 @@ macro_rules! id { $($t)* }; } -id /*+errors*/! { +id! { #[proc_macros::identity] impl Foo for WrapBj { async fn foo(&self) { @@ -113,18 +113,17 @@ id /*+errors*/! { } } "#, - expect![[r##" + expect![[r#" macro_rules! id { ($($t:tt)*) => { $($t)* }; } -/* parse error: expected SEMICOLON */ #[proc_macros::identity] impl Foo for WrapBj { async fn foo(&self ) { self .0.id().await ; } } -"##]], +"#]], ); } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/attr_resolution.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/attr_resolution.rs index 3650204ee9d..79cabeb0fb7 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/attr_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/attr_resolution.rs @@ -1,10 +1,9 @@ //! Post-nameres attribute resolution. -use hir_expand::MacroCallId; +use hir_expand::{attrs::Attr, MacroCallId}; use syntax::{ast, SmolStr}; use crate::{ - attr::Attr, attr_macro_as_call_id, builtin_attr, db::DefDatabase, item_scope::BuiltinShadowMode, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs index 160203b7783..4b39a20d86c 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/collector.rs @@ -10,6 +10,7 @@ use cfg::{CfgExpr, CfgOptions}; use either::Either; use hir_expand::{ ast_id_map::FileAstId, + attrs::{Attr, AttrId}, builtin_attr_macro::find_builtin_attr, builtin_derive_macro::find_builtin_derive, builtin_fn_macro::find_builtin_macro, @@ -26,7 +27,7 @@ use stdx::always; use syntax::{ast, SmolStr}; use crate::{ - attr::{Attr, AttrId, Attrs}, + attr::Attrs, attr_macro_as_call_id, db::DefDatabase, derive_macro_as_call_id, @@ -45,6 +46,7 @@ use crate::{ }, path::{ImportAlias, ModPath, PathKind}, per_ns::PerNs, + tt, visibility::{RawVisibility, Visibility}, AdtId, AstId, AstIdWithPath, ConstLoc, EnumLoc, EnumVariantId, ExternBlockLoc, FunctionId, FunctionLoc, ImplLoc, Intern, ItemContainerId, LocalModuleId, Macro2Id, Macro2Loc, @@ -82,7 +84,8 @@ pub(super) fn collect_defs(db: &dyn DefDatabase, mut def_map: DefMap, tree_id: T .enumerate() .map(|(idx, it)| { // FIXME: a hacky way to create a Name from string. - let name = tt::Ident { text: it.name.clone(), id: tt::TokenId::unspecified() }; + let name = + tt::Ident { text: it.name.clone(), span: tt::TokenId::unspecified() }; ( name.as_name(), ProcMacroExpander::new(def_map.krate, base_db::ProcMacroId(idx as u32)), @@ -450,8 +453,11 @@ impl DefCollector<'_> { directive.module_id, MacroCallKind::Attr { ast_id: ast_id.ast_id, - attr_args: Default::default(), - invoc_attr_index: attr.id.ast_index, + attr_args: std::sync::Arc::new(( + tt::Subtree::empty(), + Default::default(), + )), + invoc_attr_index: attr.id, is_derive: false, }, attr.path().clone(), @@ -1406,7 +1412,7 @@ impl DefCollector<'_> { directive.module_id, MacroCallKind::Derive { ast_id: ast_id.ast_id, - derive_attr_index: derive_attr.ast_index, + derive_attr_index: *derive_attr, derive_index: *derive_pos as u32, }, ast_id.path.clone(), @@ -1599,17 +1605,15 @@ impl ModCollector<'_, '_> { FunctionLoc { container, id: ItemTreeId::new(self.tree_id, id) }.intern(db); let vis = resolve_vis(def_map, &self.item_tree[it.visibility]); - if self.def_collector.is_proc_macro { - if self.module_id == def_map.root { - if let Some(proc_macro) = attrs.parse_proc_macro_decl(&it.name) { - let crate_root = def_map.module_id(def_map.root); - self.def_collector.export_proc_macro( - proc_macro, - ItemTreeId::new(self.tree_id, id), - fn_id, - crate_root, - ); - } + if self.def_collector.is_proc_macro && self.module_id == def_map.root { + if let Some(proc_macro) = attrs.parse_proc_macro_decl(&it.name) { + let crate_root = def_map.module_id(def_map.root); + self.def_collector.export_proc_macro( + proc_macro, + ItemTreeId::new(self.tree_id, id), + fn_id, + crate_root, + ); } } @@ -1948,7 +1952,8 @@ impl ModCollector<'_, '_> { let name = match attrs.by_key("rustc_builtin_macro").string_value() { Some(it) => { // FIXME: a hacky way to create a Name from string. - name = tt::Ident { text: it.clone(), id: tt::TokenId::unspecified() }.as_name(); + name = + tt::Ident { text: it.clone(), span: tt::TokenId::unspecified() }.as_name(); &name } None => { @@ -1983,11 +1988,13 @@ impl ModCollector<'_, '_> { // Case 2: normal `macro_rules!` macro MacroExpander::Declarative }; + let allow_internal_unsafe = attrs.by_key("allow_internal_unsafe").exists(); let macro_id = MacroRulesLoc { container: module, id: ItemTreeId::new(self.tree_id, id), local_inner, + allow_internal_unsafe, expander, } .intern(self.def_collector.db); @@ -2047,10 +2054,15 @@ impl ModCollector<'_, '_> { // Case 2: normal `macro` MacroExpander::Declarative }; + let allow_internal_unsafe = attrs.by_key("allow_internal_unsafe").exists(); - let macro_id = - Macro2Loc { container: module, id: ItemTreeId::new(self.tree_id, id), expander } - .intern(self.def_collector.db); + let macro_id = Macro2Loc { + container: module, + id: ItemTreeId::new(self.tree_id, id), + expander, + allow_internal_unsafe, + } + .intern(self.def_collector.db); self.def_collector.define_macro_def( self.module_id, mac.name.clone(), diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/diagnostics.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/diagnostics.rs index 06614229198..b024d7c6777 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/diagnostics.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/diagnostics.rs @@ -2,12 +2,11 @@ use base_db::CrateId; use cfg::{CfgExpr, CfgOptions}; -use hir_expand::MacroCallKind; +use hir_expand::{attrs::AttrId, MacroCallKind}; use la_arena::Idx; use syntax::ast::{self, AnyHasAttrs}; use crate::{ - attr::AttrId, item_tree::{self, ItemTreeId}, nameres::LocalModuleId, path::ModPath, @@ -32,9 +31,9 @@ pub enum DefDiagnosticKind { UnimplementedBuiltinMacro { ast: AstId<ast::Macro> }, - InvalidDeriveTarget { ast: AstId<ast::Item>, id: u32 }, + InvalidDeriveTarget { ast: AstId<ast::Item>, id: usize }, - MalformedDerive { ast: AstId<ast::Adt>, id: u32 }, + MalformedDerive { ast: AstId<ast::Adt>, id: usize }, } #[derive(Debug, PartialEq, Eq)] @@ -120,7 +119,7 @@ impl DefDiagnostic { ) -> Self { Self { in_module: container, - kind: DefDiagnosticKind::InvalidDeriveTarget { ast, id: id.ast_index }, + kind: DefDiagnosticKind::InvalidDeriveTarget { ast, id: id.ast_index() }, } } @@ -131,7 +130,7 @@ impl DefDiagnostic { ) -> Self { Self { in_module: container, - kind: DefDiagnosticKind::MalformedDerive { ast, id: id.ast_index }, + kind: DefDiagnosticKind::MalformedDerive { ast, id: id.ast_index() }, } } } diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/mod_resolution.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/mod_resolution.rs index 4c263846d27..51c565fe123 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/mod_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/mod_resolution.rs @@ -7,7 +7,7 @@ use syntax::SmolStr; use crate::{db::DefDatabase, HirFileId}; -const MOD_DEPTH_LIMIT: Limit = Limit::new(32); +static MOD_DEPTH_LIMIT: Limit = Limit::new(32); #[derive(Clone, Debug)] pub(super) struct ModDir { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/proc_macro.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/proc_macro.rs index 06b23392cfe..caad4a1f381 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/proc_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/proc_macro.rs @@ -1,9 +1,9 @@ //! Nameres-specific procedural macro data and helpers. use hir_expand::name::{AsName, Name}; -use tt::{Leaf, TokenTree}; use crate::attr::Attrs; +use crate::tt::{Leaf, TokenTree}; #[derive(Debug, PartialEq, Eq)] pub struct ProcMacroDef { diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs index 0d90047c28f..8a27c60df5c 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests.rs @@ -476,7 +476,7 @@ pub struct Bar; fn no_std_prelude() { check( r#" - //- /main.rs crate:main deps:core,std + //- /main.rs edition:2018 crate:main deps:core,std #![cfg_attr(not(never), no_std)] use Rust; @@ -544,7 +544,7 @@ fn edition_specific_preludes() { fn std_prelude_takes_precedence_above_core_prelude() { check( r#" -//- /main.rs crate:main deps:core,std +//- /main.rs edition:2018 crate:main deps:core,std use {Foo, Bar}; //- /std.rs crate:std deps:core @@ -574,7 +574,7 @@ pub mod prelude { fn cfg_not_test() { check( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std use {Foo, Bar, Baz}; //- /lib.rs crate:std @@ -602,7 +602,7 @@ pub mod prelude { fn cfg_test() { check( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std use {Foo, Bar, Baz}; //- /lib.rs crate:std cfg:test,feature=foo,feature=bar,opt=42 diff --git a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs index fe0ad4f3863..a4ccd14cbb4 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/nameres/tests/macros.rs @@ -264,7 +264,7 @@ fn prelude_is_macro_use() { cov_mark::check!(prelude_is_macro_use); check( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std structs!(Foo); structs_priv!(Bar); structs_outside!(Out); @@ -634,7 +634,7 @@ fn macro_dollar_crate_is_correct_in_indirect_deps() { // From std check( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std foo!(); //- /std.rs crate:std deps:core @@ -1034,7 +1034,7 @@ structs!(Foo); fn macro_in_prelude() { check( r#" -//- /lib.rs crate:lib deps:std +//- /lib.rs edition:2018 crate:lib deps:std global_asm!(); //- /std.rs crate:std diff --git a/src/tools/rust-analyzer/crates/hir-def/src/path.rs b/src/tools/rust-analyzer/crates/hir-def/src/path.rs index 592223f7d85..25a23fcd61a 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/path.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/path.rs @@ -8,10 +8,10 @@ use std::{ use crate::{ body::LowerCtx, - intern::Interned, type_ref::{ConstScalarOrPath, LifetimeRef}, }; use hir_expand::name::Name; +use intern::Interned; use syntax::ast; use crate::type_ref::{TypeBound, TypeRef}; diff --git a/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs b/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs index cfa3a6baaf8..d570191595b 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/path/lower.rs @@ -1,9 +1,10 @@ //! Transforms syntax into `Path` objects, ideally with accounting for hygiene -use crate::{intern::Interned, type_ref::ConstScalarOrPath}; +use crate::type_ref::ConstScalarOrPath; use either::Either; use hir_expand::name::{name, AsName}; +use intern::Interned; use syntax::ast::{self, AstNode, HasTypeBounds}; use super::AssociatedTypeBinding; diff --git a/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs b/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs index befd0c5ffa0..1c0bd204d30 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/pretty.rs @@ -3,10 +3,10 @@ use std::fmt::{self, Write}; use hir_expand::mod_path::PathKind; +use intern::Interned; use itertools::Itertools; use crate::{ - intern::Interned, path::{GenericArg, GenericArgs, Path}, type_ref::{Mutability, TraitBoundModifier, TypeBound, TypeRef}, }; diff --git a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs index 1ef7f9577fe..86958e3daea 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/resolver.rs @@ -4,6 +4,7 @@ use std::{hash::BuildHasherDefault, sync::Arc}; use base_db::CrateId; use hir_expand::name::{name, Name}; use indexmap::IndexMap; +use intern::Interned; use rustc_hash::FxHashSet; use smallvec::{smallvec, SmallVec}; @@ -13,7 +14,6 @@ use crate::{ db::DefDatabase, expr::{ExprId, LabelId, PatId}, generics::{GenericParams, TypeOrConstParamData}, - intern::Interned, item_scope::{BuiltinShadowMode, BUILTIN_SCOPE}, nameres::DefMap, path::{ModPath, PathKind}, diff --git a/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs b/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs index f8bb78ddcfe..8fa12c7aafd 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs +++ b/src/tools/rust-analyzer/crates/hir-def/src/type_ref.rs @@ -7,13 +7,13 @@ use hir_expand::{ name::{AsName, Name}, AstId, }; +use intern::Interned; use syntax::ast::{self, HasName}; use crate::{ body::LowerCtx, builtin_type::{BuiltinInt, BuiltinType, BuiltinUint}, expr::Literal, - intern::Interned, path::Path, }; @@ -240,7 +240,7 @@ impl TypeRef { TypeRef::DynTrait(type_bounds_from_ast(ctx, inner.type_bound_list())) } ast::Type::MacroType(mt) => match mt.macro_call() { - Some(mc) => ctx.ast_id(ctx.db, &mc).map(TypeRef::Macro).unwrap_or(TypeRef::Error), + Some(mc) => ctx.ast_id(&mc).map(TypeRef::Macro).unwrap_or(TypeRef::Error), None => TypeRef::Error, }, } diff --git a/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml b/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml index 77eb1fd4504..525cdc32b87 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir-expand/Cargo.toml @@ -2,9 +2,11 @@ name = "hir-expand" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -21,14 +23,16 @@ hashbrown = { version = "0.12.1", features = [ ], default-features = false } smallvec = { version = "1.10.0", features = ["const_new"] } -stdx = { path = "../stdx", version = "0.0.0" } -base-db = { path = "../base-db", version = "0.0.0" } -cfg = { path = "../cfg", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -tt = { path = "../tt", version = "0.0.0" } -mbe = { path = "../mbe", version = "0.0.0" } -limit = { path = "../limit", version = "0.0.0" } +# local deps +stdx.workspace = true +intern.workspace = true +base-db.workspace = true +cfg.workspace = true +syntax.workspace = true +profile.workspace = true +tt.workspace = true +mbe.workspace = true +limit.workspace = true [dev-dependencies] expect-test = "1.4.0" diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/attrs.rs b/src/tools/rust-analyzer/crates/hir-expand/src/attrs.rs new file mode 100644 index 00000000000..5c04f8e8b8f --- /dev/null +++ b/src/tools/rust-analyzer/crates/hir-expand/src/attrs.rs @@ -0,0 +1,349 @@ +//! A higher level attributes based on TokenTree, with also some shortcuts. +use std::{fmt, ops, sync::Arc}; + +use base_db::CrateId; +use cfg::CfgExpr; +use either::Either; +use intern::Interned; +use mbe::{syntax_node_to_token_tree, DelimiterKind, Punct}; +use smallvec::{smallvec, SmallVec}; +use syntax::{ast, match_ast, AstNode, SmolStr, SyntaxNode}; + +use crate::{ + db::AstDatabase, + hygiene::Hygiene, + mod_path::{ModPath, PathKind}, + name::AsName, + tt::{self, Subtree}, + InFile, +}; + +/// Syntactical attributes, without filtering of `cfg_attr`s. +#[derive(Default, Debug, Clone, PartialEq, Eq)] +pub struct RawAttrs { + entries: Option<Arc<[Attr]>>, +} + +impl ops::Deref for RawAttrs { + type Target = [Attr]; + + fn deref(&self) -> &[Attr] { + match &self.entries { + Some(it) => &*it, + None => &[], + } + } +} + +impl RawAttrs { + pub const EMPTY: Self = Self { entries: None }; + + pub fn new(db: &dyn AstDatabase, owner: &dyn ast::HasAttrs, hygiene: &Hygiene) -> Self { + let entries = collect_attrs(owner) + .filter_map(|(id, attr)| match attr { + Either::Left(attr) => { + attr.meta().and_then(|meta| Attr::from_src(db, meta, hygiene, id)) + } + Either::Right(comment) => comment.doc_comment().map(|doc| Attr { + id, + input: Some(Interned::new(AttrInput::Literal(SmolStr::new(doc)))), + path: Interned::new(ModPath::from(crate::name!(doc))), + }), + }) + .collect::<Arc<_>>(); + + Self { entries: if entries.is_empty() { None } else { Some(entries) } } + } + + pub fn from_attrs_owner(db: &dyn AstDatabase, owner: InFile<&dyn ast::HasAttrs>) -> Self { + let hygiene = Hygiene::new(db, owner.file_id); + Self::new(db, owner.value, &hygiene) + } + + pub fn merge(&self, other: Self) -> Self { + match (&self.entries, other.entries) { + (None, None) => Self::EMPTY, + (None, entries @ Some(_)) => Self { entries }, + (Some(entries), None) => Self { entries: Some(entries.clone()) }, + (Some(a), Some(b)) => { + let last_ast_index = a.last().map_or(0, |it| it.id.ast_index() + 1) as u32; + Self { + entries: Some( + a.iter() + .cloned() + .chain(b.iter().map(|it| { + let mut it = it.clone(); + it.id.id = it.id.ast_index() as u32 + last_ast_index + | (it.id.cfg_attr_index().unwrap_or(0) as u32) + << AttrId::AST_INDEX_BITS; + it + })) + .collect(), + ), + } + } + } + } + + /// Processes `cfg_attr`s, returning the resulting semantic `Attrs`. + // FIXME: This should return a different type + pub fn filter(self, db: &dyn AstDatabase, krate: CrateId) -> RawAttrs { + let has_cfg_attrs = self + .iter() + .any(|attr| attr.path.as_ident().map_or(false, |name| *name == crate::name![cfg_attr])); + if !has_cfg_attrs { + return self; + } + + let crate_graph = db.crate_graph(); + let new_attrs = self + .iter() + .flat_map(|attr| -> SmallVec<[_; 1]> { + let is_cfg_attr = + attr.path.as_ident().map_or(false, |name| *name == crate::name![cfg_attr]); + if !is_cfg_attr { + return smallvec![attr.clone()]; + } + + let subtree = match attr.token_tree_value() { + Some(it) => it, + _ => return smallvec![attr.clone()], + }; + + let (cfg, parts) = match parse_cfg_attr_input(subtree) { + Some(it) => it, + None => return smallvec![attr.clone()], + }; + let index = attr.id; + let attrs = + parts.enumerate().take(1 << AttrId::CFG_ATTR_BITS).filter_map(|(idx, attr)| { + let tree = Subtree { + delimiter: tt::Delimiter::unspecified(), + token_trees: attr.to_vec(), + }; + // FIXME hygiene + let hygiene = Hygiene::new_unhygienic(); + Attr::from_tt(db, &tree, &hygiene, index.with_cfg_attr(idx)) + }); + + let cfg_options = &crate_graph[krate].cfg_options; + let cfg = Subtree { delimiter: subtree.delimiter, token_trees: cfg.to_vec() }; + let cfg = CfgExpr::parse(&cfg); + if cfg_options.check(&cfg) == Some(false) { + smallvec![] + } else { + cov_mark::hit!(cfg_attr_active); + + attrs.collect() + } + }) + .collect(); + + RawAttrs { entries: Some(new_attrs) } + } +} + +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct AttrId { + id: u32, +} + +// FIXME: This only handles a single level of cfg_attr nesting +// that is `#[cfg_attr(all(), cfg_attr(all(), cfg(any())))]` breaks again +impl AttrId { + const CFG_ATTR_BITS: usize = 7; + const AST_INDEX_MASK: usize = 0x00FF_FFFF; + const AST_INDEX_BITS: usize = Self::AST_INDEX_MASK.count_ones() as usize; + const CFG_ATTR_SET_BITS: u32 = 1 << 31; + + pub fn ast_index(&self) -> usize { + self.id as usize & Self::AST_INDEX_MASK + } + + pub fn cfg_attr_index(&self) -> Option<usize> { + if self.id & Self::CFG_ATTR_SET_BITS == 0 { + None + } else { + Some(self.id as usize >> Self::AST_INDEX_BITS) + } + } + + pub fn with_cfg_attr(self, idx: usize) -> AttrId { + AttrId { id: self.id | (idx as u32) << Self::AST_INDEX_BITS | Self::CFG_ATTR_SET_BITS } + } +} + +#[derive(Debug, Clone, PartialEq, Eq)] +pub struct Attr { + pub id: AttrId, + pub path: Interned<ModPath>, + pub input: Option<Interned<AttrInput>>, +} + +#[derive(Debug, Clone, PartialEq, Eq, Hash)] +pub enum AttrInput { + /// `#[attr = "string"]` + Literal(SmolStr), + /// `#[attr(subtree)]` + TokenTree(tt::Subtree, mbe::TokenMap), +} + +impl fmt::Display for AttrInput { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + match self { + AttrInput::Literal(lit) => write!(f, " = \"{}\"", lit.escape_debug()), + AttrInput::TokenTree(subtree, _) => subtree.fmt(f), + } + } +} + +impl Attr { + fn from_src( + db: &dyn AstDatabase, + ast: ast::Meta, + hygiene: &Hygiene, + id: AttrId, + ) -> Option<Attr> { + let path = Interned::new(ModPath::from_src(db, ast.path()?, hygiene)?); + let input = if let Some(ast::Expr::Literal(lit)) = ast.expr() { + let value = match lit.kind() { + ast::LiteralKind::String(string) => string.value()?.into(), + _ => lit.syntax().first_token()?.text().trim_matches('"').into(), + }; + Some(Interned::new(AttrInput::Literal(value))) + } else if let Some(tt) = ast.token_tree() { + let (tree, map) = syntax_node_to_token_tree(tt.syntax()); + Some(Interned::new(AttrInput::TokenTree(tree, map))) + } else { + None + }; + Some(Attr { id, path, input }) + } + + fn from_tt( + db: &dyn AstDatabase, + tt: &tt::Subtree, + hygiene: &Hygiene, + id: AttrId, + ) -> Option<Attr> { + let (parse, _) = mbe::token_tree_to_syntax_node(tt, mbe::TopEntryPoint::MetaItem); + let ast = ast::Meta::cast(parse.syntax_node())?; + + Self::from_src(db, ast, hygiene, id) + } + + pub fn path(&self) -> &ModPath { + &self.path + } +} + +impl Attr { + /// #[path = "string"] + pub fn string_value(&self) -> Option<&SmolStr> { + match self.input.as_deref()? { + AttrInput::Literal(it) => Some(it), + _ => None, + } + } + + /// #[path(ident)] + pub fn single_ident_value(&self) -> Option<&tt::Ident> { + match self.input.as_deref()? { + AttrInput::TokenTree(subtree, _) => match &*subtree.token_trees { + [tt::TokenTree::Leaf(tt::Leaf::Ident(ident))] => Some(ident), + _ => None, + }, + _ => None, + } + } + + /// #[path TokenTree] + pub fn token_tree_value(&self) -> Option<&Subtree> { + match self.input.as_deref()? { + AttrInput::TokenTree(subtree, _) => Some(subtree), + _ => None, + } + } + + /// Parses this attribute as a token tree consisting of comma separated paths. + pub fn parse_path_comma_token_tree(&self) -> Option<impl Iterator<Item = ModPath> + '_> { + let args = self.token_tree_value()?; + + if args.delimiter.kind != DelimiterKind::Parenthesis { + return None; + } + let paths = args + .token_trees + .split(|tt| matches!(tt, tt::TokenTree::Leaf(tt::Leaf::Punct(Punct { char: ',', .. })))) + .filter_map(|tts| { + if tts.is_empty() { + return None; + } + let segments = tts.iter().filter_map(|tt| match tt { + tt::TokenTree::Leaf(tt::Leaf::Ident(id)) => Some(id.as_name()), + _ => None, + }); + Some(ModPath::from_segments(PathKind::Plain, segments)) + }); + + Some(paths) + } +} + +pub fn collect_attrs( + owner: &dyn ast::HasAttrs, +) -> impl Iterator<Item = (AttrId, Either<ast::Attr, ast::Comment>)> { + let inner_attrs = inner_attributes(owner.syntax()).into_iter().flatten(); + let outer_attrs = + ast::AttrDocCommentIter::from_syntax_node(owner.syntax()).filter(|el| match el { + Either::Left(attr) => attr.kind().is_outer(), + Either::Right(comment) => comment.is_outer(), + }); + outer_attrs.chain(inner_attrs).enumerate().map(|(id, attr)| (AttrId { id: id as u32 }, attr)) +} + +fn inner_attributes( + syntax: &SyntaxNode, +) -> Option<impl Iterator<Item = Either<ast::Attr, ast::Comment>>> { + let node = match_ast! { + match syntax { + ast::SourceFile(_) => syntax.clone(), + ast::ExternBlock(it) => it.extern_item_list()?.syntax().clone(), + ast::Fn(it) => it.body()?.stmt_list()?.syntax().clone(), + ast::Impl(it) => it.assoc_item_list()?.syntax().clone(), + ast::Module(it) => it.item_list()?.syntax().clone(), + ast::BlockExpr(it) => { + use syntax::SyntaxKind::{BLOCK_EXPR , EXPR_STMT}; + // Block expressions accept outer and inner attributes, but only when they are the outer + // expression of an expression statement or the final expression of another block expression. + let may_carry_attributes = matches!( + it.syntax().parent().map(|it| it.kind()), + Some(BLOCK_EXPR | EXPR_STMT) + ); + if !may_carry_attributes { + return None + } + syntax.clone() + }, + _ => return None, + } + }; + + let attrs = ast::AttrDocCommentIter::from_syntax_node(&node).filter(|el| match el { + Either::Left(attr) => attr.kind().is_inner(), + Either::Right(comment) => comment.is_inner(), + }); + Some(attrs) +} + +// Input subtree is: `(cfg, $(attr),+)` +// Split it up into a `cfg` subtree and the `attr` subtrees. +pub fn parse_cfg_attr_input( + subtree: &Subtree, +) -> Option<(&[tt::TokenTree], impl Iterator<Item = &[tt::TokenTree]>)> { + let mut parts = subtree + .token_trees + .split(|tt| matches!(tt, tt::TokenTree::Leaf(tt::Leaf::Punct(Punct { char: ',', .. })))); + let cfg = parts.next()?; + Some((cfg, parts.filter(|it| !it.is_empty()))) +} diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_attr_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_attr_macro.rs index 58d192f9fe0..906ca991d73 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_attr_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_attr_macro.rs @@ -1,6 +1,6 @@ //! Builtin attributes. -use crate::{db::AstDatabase, name, ExpandResult, MacroCallId, MacroCallKind}; +use crate::{db::AstDatabase, name, tt, ExpandResult, MacroCallId, MacroCallKind}; macro_rules! register_builtin { ( $(($name:ident, $variant:ident) => $expand:ident),* ) => { @@ -97,7 +97,7 @@ fn derive_attr_expand( let loc = db.lookup_intern_macro_call(id); let derives = match &loc.kind { MacroCallKind::Attr { attr_args, is_derive: true, .. } => &attr_args.0, - _ => return ExpandResult::ok(Default::default()), + _ => return ExpandResult::ok(tt::Subtree::empty()), }; pseudo_derive_attr_expansion(tt, derives) } @@ -110,7 +110,7 @@ pub fn pseudo_derive_attr_expansion( tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { char, spacing: tt::Spacing::Alone, - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })) }; diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_derive_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_derive_macro.rs index 8966047c9b2..060a680542f 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_derive_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_derive_macro.rs @@ -3,11 +3,11 @@ use base_db::{CrateOrigin, LangCrateOrigin}; use tracing::debug; +use crate::tt::{self, TokenId}; use syntax::{ ast::{self, AstNode, HasGenericParams, HasModuleItem, HasName}, match_ast, }; -use tt::TokenId; use crate::{db::AstDatabase, name, quote, ExpandError, ExpandResult, MacroCallId}; @@ -92,7 +92,7 @@ fn parse_adt(tt: &tt::Subtree) -> Result<BasicAdtInfo, ExpandError> { })?; let name_token_id = token_map.token_by_range(name.syntax().text_range()).unwrap_or_else(TokenId::unspecified); - let name_token = tt::Ident { id: name_token_id, text: name.text().into() }; + let name_token = tt::Ident { span: name_token_id, text: name.text().into() }; let param_types = params .into_iter() .flat_map(|param_list| param_list.type_or_const_params()) @@ -101,7 +101,7 @@ fn parse_adt(tt: &tt::Subtree) -> Result<BasicAdtInfo, ExpandError> { let ty = param .ty() .map(|ty| mbe::syntax_node_to_token_tree(ty.syntax()).0) - .unwrap_or_default(); + .unwrap_or_else(tt::Subtree::empty); Some(ty) } else { None @@ -114,7 +114,7 @@ fn parse_adt(tt: &tt::Subtree) -> Result<BasicAdtInfo, ExpandError> { fn expand_simple_derive(tt: &tt::Subtree, trait_path: tt::Subtree) -> ExpandResult<tt::Subtree> { let info = match parse_adt(tt) { Ok(info) => info, - Err(e) => return ExpandResult::only_err(e), + Err(e) => return ExpandResult::with_err(tt::Subtree::empty(), e), }; let (params, args): (Vec<_>, Vec<_>) = info .param_types @@ -122,7 +122,7 @@ fn expand_simple_derive(tt: &tt::Subtree, trait_path: tt::Subtree) -> ExpandResu .enumerate() .map(|(idx, param_ty)| { let ident = tt::Leaf::Ident(tt::Ident { - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), text: format!("T{idx}").into(), }); let ident_ = ident.clone(); diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs index 5522bdf3b3f..9f3fa73d4e6 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/builtin_fn_macro.rs @@ -9,7 +9,9 @@ use syntax::{ SmolStr, }; -use crate::{db::AstDatabase, name, quote, ExpandError, ExpandResult, MacroCallId, MacroCallLoc}; +use crate::{ + db::AstDatabase, name, quote, tt, ExpandError, ExpandResult, MacroCallId, MacroCallLoc, +}; macro_rules! register_builtin { ( LAZY: $(($name:ident, $kind: ident) => $expand:ident),* , EAGER: $(($e_name:ident, $e_kind: ident) => $e_expand:ident),* ) => { @@ -61,7 +63,7 @@ macro_rules! register_builtin { }; } -#[derive(Debug, Default)] +#[derive(Debug)] pub struct ExpandedEager { pub(crate) subtree: tt::Subtree, /// The included file ID of the include macro. @@ -116,7 +118,7 @@ register_builtin! { } const DOLLAR_CRATE: tt::Ident = - tt::Ident { text: SmolStr::new_inline("$crate"), id: tt::TokenId::unspecified() }; + tt::Ident { text: SmolStr::new_inline("$crate"), span: tt::TokenId::unspecified() }; fn module_path_expand( _db: &dyn AstDatabase, @@ -162,7 +164,7 @@ fn stringify_expand( _id: MacroCallId, tt: &tt::Subtree, ) -> ExpandResult<tt::Subtree> { - let pretty = tt::pretty(&tt.token_trees); + let pretty = ::tt::pretty(&tt.token_trees); let expanded = quote! { #pretty @@ -194,11 +196,11 @@ fn assert_expand( let expanded = match &*args { [cond, panic_args @ ..] => { let comma = tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::unspecified(), token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { char: ',', spacing: tt::Spacing::Alone, - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }; let cond = cond.clone(); @@ -247,7 +249,10 @@ fn format_args_expand( let mut args = parse_exprs_with_sep(tt, ','); if args.is_empty() { - return ExpandResult::only_err(mbe::ExpandError::NoMatchingRule.into()); + return ExpandResult::with_err( + tt::Subtree::empty(), + mbe::ExpandError::NoMatchingRule.into(), + ); } for arg in &mut args { // Remove `key =`. @@ -282,7 +287,7 @@ fn asm_expand( for tt in tt.token_trees.chunks(2) { match tt { [tt::TokenTree::Leaf(tt::Leaf::Literal(lit))] - | [tt::TokenTree::Leaf(tt::Leaf::Literal(lit)), tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { char: ',', id: _, spacing: _ }))] => + | [tt::TokenTree::Leaf(tt::Leaf::Literal(lit)), tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { char: ',', span: _, spacing: _ }))] => { let krate = DOLLAR_CRATE.clone(); literals.push(quote!(#krate::format_args!(#lit);)); @@ -400,7 +405,7 @@ fn concat_expand( // FIXME: hack on top of a hack: `$e:expr` captures get surrounded in parentheses // to ensure the right parsing order, so skip the parentheses here. Ideally we'd // implement rustc's model. cc https://github.com/rust-lang/rust-analyzer/pull/10623 - if let tt::TokenTree::Subtree(tt::Subtree { delimiter: Some(delim), token_trees }) = t { + if let tt::TokenTree::Subtree(tt::Subtree { delimiter: delim, token_trees }) = t { if let [tt] = &**token_trees { if delim.kind == tt::DelimiterKind::Parenthesis { t = tt; @@ -459,9 +464,7 @@ fn concat_bytes_expand( } } tt::TokenTree::Leaf(tt::Leaf::Punct(punct)) if i % 2 == 1 && punct.char == ',' => (), - tt::TokenTree::Subtree(tree) - if tree.delimiter_kind() == Some(tt::DelimiterKind::Bracket) => - { + tt::TokenTree::Subtree(tree) if tree.delimiter.kind == tt::DelimiterKind::Bracket => { if let Err(e) = concat_bytes_expand_subtree(tree, &mut bytes) { err.get_or_insert(e); break; @@ -473,7 +476,7 @@ fn concat_bytes_expand( } } } - let ident = tt::Ident { text: bytes.join(", ").into(), id: tt::TokenId::unspecified() }; + let ident = tt::Ident { text: bytes.join(", ").into(), span: tt::TokenId::unspecified() }; ExpandResult { value: ExpandedEager::new(quote!([#ident])), err } } @@ -521,7 +524,7 @@ fn concat_idents_expand( } } } - let ident = tt::Ident { text: ident.into(), id: tt::TokenId::unspecified() }; + let ident = tt::Ident { text: ident.into(), span: tt::TokenId::unspecified() }; ExpandResult { value: ExpandedEager::new(quote!(#ident)), err } } @@ -572,7 +575,10 @@ fn include_expand( Ok((subtree, file_id)) => { ExpandResult::ok(ExpandedEager { subtree, included_file: Some(file_id) }) } - Err(e) => ExpandResult::only_err(e), + Err(e) => ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ), } } @@ -582,15 +588,18 @@ fn include_bytes_expand( tt: &tt::Subtree, ) -> ExpandResult<ExpandedEager> { if let Err(e) = parse_string(tt) { - return ExpandResult::only_err(e); + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ); } // FIXME: actually read the file here if the user asked for macro expansion let res = tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::unspecified(), token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Literal(tt::Literal { text: r#"b"""#.into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }; ExpandResult::ok(ExpandedEager::new(res)) @@ -603,7 +612,12 @@ fn include_str_expand( ) -> ExpandResult<ExpandedEager> { let path = match parse_string(tt) { Ok(it) => it, - Err(e) => return ExpandResult::only_err(e), + Err(e) => { + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ) + } }; // FIXME: we're not able to read excluded files (which is most of them because @@ -635,7 +649,12 @@ fn env_expand( ) -> ExpandResult<ExpandedEager> { let key = match parse_string(tt) { Ok(it) => it, - Err(e) => return ExpandResult::only_err(e), + Err(e) => { + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ) + } }; let mut err = None; @@ -666,7 +685,12 @@ fn option_env_expand( ) -> ExpandResult<ExpandedEager> { let key = match parse_string(tt) { Ok(it) => it, - Err(e) => return ExpandResult::only_err(e), + Err(e) => { + return ExpandResult::with_err( + ExpandedEager { subtree: tt::Subtree::empty(), included_file: None }, + e, + ) + } }; let expanded = match get_env_inner(db, arg_id, &key) { diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/db.rs b/src/tools/rust-analyzer/crates/hir-expand/src/db.rs index b28e60187de..76016274f0e 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/db.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/db.rs @@ -14,7 +14,7 @@ use syntax::{ use crate::{ ast_id_map::AstIdMap, builtin_attr_macro::pseudo_derive_attr_expansion, fixup, - hygiene::HygieneFrame, BuiltinAttrExpander, BuiltinDeriveExpander, BuiltinFnLikeExpander, + hygiene::HygieneFrame, tt, BuiltinAttrExpander, BuiltinDeriveExpander, BuiltinFnLikeExpander, ExpandError, ExpandResult, ExpandTo, HirFileId, HirFileIdRepr, MacroCallId, MacroCallKind, MacroCallLoc, MacroDefId, MacroDefKind, MacroFile, ProcMacroExpander, }; @@ -25,7 +25,7 @@ use crate::{ /// an error will be emitted. /// /// Actual max for `analysis-stats .` at some point: 30672. -static TOKEN_LIMIT: Limit = Limit::new(524_288); +static TOKEN_LIMIT: Limit = Limit::new(1_048_576); #[derive(Debug, Clone, Eq, PartialEq)] pub enum TokenExpander { @@ -168,12 +168,14 @@ pub fn expand_speculative( // Attributes may have an input token tree, build the subtree and map for this as well // then try finding a token id for our token if it is inside this input subtree. let item = ast::Item::cast(speculative_args.clone())?; - item.doc_comments_and_attrs().nth(invoc_attr_index as usize).and_then(Either::left) + item.doc_comments_and_attrs() + .nth(invoc_attr_index.ast_index()) + .and_then(Either::left) }?; match attr.token_tree() { Some(token_tree) => { let (mut tree, map) = syntax_node_to_token_tree(attr.token_tree()?.syntax()); - tree.delimiter = None; + tree.delimiter = tt::Delimiter::unspecified(); let shift = mbe::Shift::new(&tt); shift.shift_all(&mut tree); @@ -208,7 +210,7 @@ pub fn expand_speculative( // Otherwise the expand query will fetch the non speculative attribute args and pass those instead. let mut speculative_expansion = match loc.def.kind { MacroDefKind::ProcMacro(expander, ..) => { - tt.delimiter = None; + tt.delimiter = tt::Delimiter::unspecified(); expander.expand(db, loc.krate, &tt, attr_arg.as_ref()) } MacroDefKind::BuiltInAttr(BuiltinAttrExpander::Derive, _) => { @@ -314,13 +316,13 @@ fn macro_arg( if loc.def.is_proc_macro() { // proc macros expect their inputs without parentheses, MBEs expect it with them included - tt.delimiter = None; + tt.delimiter = tt::Delimiter::unspecified(); } - Some(Arc::new((tt, tmap, fixups.undo_info))) } fn censor_for_macro_input(loc: &MacroCallLoc, node: &SyntaxNode) -> FxHashSet<SyntaxNode> { + // FIXME: handle `cfg_attr` (|| { let censor = match loc.kind { MacroCallKind::FnLike { .. } => return None, @@ -328,7 +330,7 @@ fn censor_for_macro_input(loc: &MacroCallLoc, node: &SyntaxNode) -> FxHashSet<Sy cov_mark::hit!(derive_censoring); ast::Item::cast(node.clone())? .attrs() - .take(derive_attr_index as usize + 1) + .take(derive_attr_index.ast_index() + 1) // FIXME, this resolution should not be done syntactically // derive is a proper macro now, no longer builtin // But we do not have resolution at this stage, this means @@ -343,7 +345,7 @@ fn censor_for_macro_input(loc: &MacroCallLoc, node: &SyntaxNode) -> FxHashSet<Sy cov_mark::hit!(attribute_macro_attr_censoring); ast::Item::cast(node.clone())? .doc_comments_and_attrs() - .nth(invoc_attr_index as usize) + .nth(invoc_attr_index.ast_index()) .and_then(Either::left) .map(|attr| attr.syntax().clone()) .into_iter() @@ -476,7 +478,10 @@ fn expand_proc_macro(db: &dyn AstDatabase, id: MacroCallId) -> ExpandResult<tt:: let macro_arg = match db.macro_arg(id) { Some(it) => it, None => { - return ExpandResult::only_err(ExpandError::Other("No arguments for proc-macro".into())) + return ExpandResult::with_err( + tt::Subtree::empty(), + ExpandError::Other("No arguments for proc-macro".into()), + ) } }; diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/eager.rs b/src/tools/rust-analyzer/crates/hir-expand/src/eager.rs index a1474c44e6c..dfab7ec92c7 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/eager.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/eager.rs @@ -108,7 +108,7 @@ pub fn expand_eager_macro( .value .token_tree() .map(|tt| mbe::syntax_node_to_token_tree(tt.syntax()).0) - .unwrap_or_default(); + .unwrap_or_else(tt::Subtree::empty); let ast_map = db.ast_id_map(macro_call.file_id); let call_id = InFile::new(macro_call.file_id, ast_map.ast_id(¯o_call.value)); @@ -165,9 +165,9 @@ pub fn expand_eager_macro( } } -fn to_subtree(node: &SyntaxNode) -> tt::Subtree { +fn to_subtree(node: &SyntaxNode) -> crate::tt::Subtree { let mut subtree = mbe::syntax_node_to_token_tree(node).0; - subtree.delimiter = None; + subtree.delimiter = crate::tt::Delimiter::unspecified(); subtree } diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/fixup.rs b/src/tools/rust-analyzer/crates/hir-expand/src/fixup.rs index 75d364d5f84..c811d1c66a8 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/fixup.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/fixup.rs @@ -9,7 +9,7 @@ use syntax::{ ast::{self, AstNode, HasLoopBody}, match_ast, SyntaxElement, SyntaxKind, SyntaxNode, TextRange, }; -use tt::Subtree; +use tt::token_id::Subtree; /// The result of calculating fixes for a syntax node -- a bunch of changes /// (appending to and replacing nodes), the information that is needed to @@ -297,9 +297,11 @@ pub(crate) fn reverse_fixups( tt.token_trees = tts .into_iter() .filter(|tt| match tt { - tt::TokenTree::Leaf(leaf) => token_map.synthetic_token_id(leaf.id()) != Some(EMPTY_ID), + tt::TokenTree::Leaf(leaf) => { + token_map.synthetic_token_id(*leaf.span()) != Some(EMPTY_ID) + } tt::TokenTree::Subtree(st) => { - st.delimiter.map_or(true, |d| token_map.synthetic_token_id(d.id) != Some(EMPTY_ID)) + token_map.synthetic_token_id(st.delimiter.open) != Some(EMPTY_ID) } }) .flat_map(|tt| match tt { @@ -308,9 +310,9 @@ pub(crate) fn reverse_fixups( SmallVec::from_const([tt.into()]) } tt::TokenTree::Leaf(leaf) => { - if let Some(id) = token_map.synthetic_token_id(leaf.id()) { + if let Some(id) = token_map.synthetic_token_id(*leaf.span()) { let original = undo_info.original[id.0 as usize].clone(); - if original.delimiter.is_none() { + if original.delimiter.kind == tt::DelimiterKind::Invisible { original.token_trees.into() } else { SmallVec::from_const([original.into()]) @@ -327,6 +329,8 @@ pub(crate) fn reverse_fixups( mod tests { use expect_test::{expect, Expect}; + use crate::tt; + use super::reverse_fixups; // The following three functions are only meant to check partial structural equivalence of @@ -341,7 +345,7 @@ mod tests { } fn check_subtree_eq(a: &tt::Subtree, b: &tt::Subtree) -> bool { - a.delimiter.map(|it| it.kind) == b.delimiter.map(|it| it.kind) + a.delimiter.kind == b.delimiter.kind && a.token_trees.len() == b.token_trees.len() && a.token_trees.iter().zip(&b.token_trees).all(|(a, b)| check_tt_eq(a, b)) } @@ -386,7 +390,7 @@ mod tests { let (original_as_tt, _) = mbe::syntax_node_to_token_tree(&parsed.syntax_node()); assert!( check_subtree_eq(&tt, &original_as_tt), - "different token tree: {tt:?}, {original_as_tt:?}" + "different token tree: {tt:?},\n{original_as_tt:?}" ); } diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/hygiene.rs b/src/tools/rust-analyzer/crates/hir-expand/src/hygiene.rs index df1e20256ca..2300ee9d089 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/hygiene.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/hygiene.rs @@ -128,7 +128,7 @@ struct HygieneInfo { attr_input_or_mac_def_start: Option<InFile<TextSize>>, macro_def: Arc<TokenExpander>, - macro_arg: Arc<(tt::Subtree, mbe::TokenMap, fixup::SyntaxFixupUndoInfo)>, + macro_arg: Arc<(crate::tt::Subtree, mbe::TokenMap, fixup::SyntaxFixupUndoInfo)>, macro_arg_shift: mbe::Shift, exp_map: Arc<mbe::TokenMap>, } @@ -191,7 +191,7 @@ fn make_hygiene_info( let tt = ast_id .to_node(db) .doc_comments_and_attrs() - .nth(invoc_attr_index as usize) + .nth(invoc_attr_index.ast_index()) .and_then(Either::left)? .token_tree()?; Some(InFile::new(ast_id.file_id, tt)) diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs b/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs index bc5f9f3b8af..bc941b54172 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/lib.rs @@ -17,10 +17,13 @@ pub mod proc_macro; pub mod quote; pub mod eager; pub mod mod_path; +pub mod attrs; mod fixup; pub use mbe::{Origin, ValueResult}; +use ::tt::token_id as tt; + use std::{fmt, hash::Hash, iter, sync::Arc}; use base_db::{ @@ -37,6 +40,7 @@ use syntax::{ use crate::{ ast_id_map::FileAstId, + attrs::AttrId, builtin_attr_macro::BuiltinAttrExpander, builtin_derive_macro::BuiltinDeriveExpander, builtin_fn_macro::{BuiltinFnLikeExpander, EagerExpander}, @@ -114,6 +118,7 @@ pub struct MacroDefId { pub krate: CrateId, pub kind: MacroDefKind, pub local_inner: bool, + pub allow_internal_unsafe: bool, } #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] @@ -145,7 +150,7 @@ pub enum MacroCallKind { /// /// Outer attributes are counted first, then inner attributes. This does not support /// out-of-line modules, which may have attributes spread across 2 files! - derive_attr_index: u32, + derive_attr_index: AttrId, /// Index of the derive macro in the derive attribute derive_index: u32, }, @@ -156,7 +161,7 @@ pub enum MacroCallKind { /// /// Outer attributes are counted first, then inner attributes. This does not support /// out-of-line modules, which may have attributes spread across 2 files! - invoc_attr_index: u32, + invoc_attr_index: AttrId, /// Whether this attribute is the `#[derive]` attribute. is_derive: bool, }, @@ -261,10 +266,11 @@ impl HirFileId { }); let attr_input_or_mac_def = def.or_else(|| match loc.kind { MacroCallKind::Attr { ast_id, invoc_attr_index, .. } => { + // FIXME: handle `cfg_attr` let tt = ast_id .to_node(db) .doc_comments_and_attrs() - .nth(invoc_attr_index as usize) + .nth(invoc_attr_index.ast_index()) .and_then(Either::left)? .token_tree()?; Some(InFile::new(ast_id.file_id, tt)) @@ -353,6 +359,14 @@ impl HirFileId { } } + #[inline] + pub fn file_id(self) -> Option<FileId> { + match self.0 & Self::MACRO_FILE_TAG_MASK { + 0 => Some(FileId(self.0)), + _ => None, + } + } + fn repr(self) -> HirFileIdRepr { match self.0 & Self::MACRO_FILE_TAG_MASK { 0 => HirFileIdRepr::FileId(FileId(self.0)), @@ -397,8 +411,7 @@ impl MacroDefId { } } -// FIXME: attribute indices do not account for `cfg_attr`, which means that we'll strip the whole -// `cfg_attr` instead of just one of the attributes it expands to +// FIXME: attribute indices do not account for nested `cfg_attr` impl MacroCallKind { /// Returns the file containing the macro invocation. @@ -419,7 +432,7 @@ impl MacroCallKind { // FIXME: handle `cfg_attr` ast_id.with_value(ast_id.to_node(db)).map(|it| { it.doc_comments_and_attrs() - .nth(*derive_attr_index as usize) + .nth(derive_attr_index.ast_index()) .and_then(|it| match it { Either::Left(attr) => Some(attr.syntax().clone()), Either::Right(_) => None, @@ -431,7 +444,7 @@ impl MacroCallKind { // FIXME: handle `cfg_attr` ast_id.with_value(ast_id.to_node(db)).map(|it| { it.doc_comments_and_attrs() - .nth(*invoc_attr_index as usize) + .nth(invoc_attr_index.ast_index()) .and_then(|it| match it { Either::Left(attr) => Some(attr.syntax().clone()), Either::Right(_) => None, @@ -488,19 +501,21 @@ impl MacroCallKind { MacroCallKind::FnLike { ast_id, .. } => ast_id.to_node(db).syntax().text_range(), MacroCallKind::Derive { ast_id, derive_attr_index, .. } => { // FIXME: should be the range of the macro name, not the whole derive + // FIXME: handle `cfg_attr` ast_id .to_node(db) .doc_comments_and_attrs() - .nth(derive_attr_index as usize) + .nth(derive_attr_index.ast_index()) .expect("missing derive") .expect_left("derive is a doc comment?") .syntax() .text_range() } + // FIXME: handle `cfg_attr` MacroCallKind::Attr { ast_id, invoc_attr_index, .. } => ast_id .to_node(db) .doc_comments_and_attrs() - .nth(invoc_attr_index as usize) + .nth(invoc_attr_index.ast_index()) .expect("missing attribute") .expect_left("attribute macro is a doc comment?") .syntax() @@ -592,9 +607,10 @@ impl ExpansionInfo { let token_range = token.value.text_range(); match &loc.kind { MacroCallKind::Attr { attr_args, invoc_attr_index, is_derive, .. } => { + // FIXME: handle `cfg_attr` let attr = item .doc_comments_and_attrs() - .nth(*invoc_attr_index as usize) + .nth(invoc_attr_index.ast_index()) .and_then(Either::left)?; match attr.token_tree() { Some(token_tree) @@ -1031,3 +1047,5 @@ impl ExpandTo { pub struct UnresolvedMacro { pub path: ModPath, } + +intern::impl_internable!(ModPath, attrs::AttrInput); diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/name.rs b/src/tools/rust-analyzer/crates/hir-expand/src/name.rs index e8b3e312aab..c3462beac73 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/name.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/name.rs @@ -2,7 +2,7 @@ use std::fmt; -use syntax::{ast, SmolStr, SyntaxKind}; +use syntax::{ast, utils::is_raw_identifier, SmolStr}; /// `Name` is a wrapper around string, which is used in hir for both references /// and declarations. In theory, names should also carry hygiene info, but we are @@ -33,11 +33,6 @@ impl fmt::Display for Name { } } -fn is_raw_identifier(name: &str) -> bool { - let is_keyword = SyntaxKind::from_keyword(name).is_some(); - is_keyword && !matches!(name, "self" | "crate" | "super" | "Self") -} - impl<'a> fmt::Display for UnescapedName<'a> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match &self.0 .0 { @@ -133,6 +128,14 @@ impl Name { } } + /// Returns the text this name represents if it isn't a tuple field. + pub fn as_str(&self) -> Option<&str> { + match &self.0 { + Repr::Text(it) => Some(it), + _ => None, + } + } + /// Returns the textual representation of this name as a [`SmolStr`]. /// Prefer using this over [`ToString::to_string`] if possible as this conversion is cheaper in /// the general case. @@ -183,7 +186,7 @@ impl AsName for ast::NameOrNameRef { } } -impl AsName for tt::Ident { +impl<Span> AsName for tt::Ident<Span> { fn as_name(&self) -> Name { Name::resolve(&self.text) } @@ -339,6 +342,7 @@ pub mod known { recursion_limit, feature, // known methods of lang items + call_once, eq, ne, ge, diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs b/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs index 5afdcc0e66d..3f4d2540c09 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/proc_macro.rs @@ -3,7 +3,7 @@ use base_db::{CrateId, ProcMacroExpansionError, ProcMacroId, ProcMacroKind}; use stdx::never; -use crate::{db::AstDatabase, ExpandError, ExpandResult}; +use crate::{db::AstDatabase, tt, ExpandError, ExpandResult}; #[derive(Debug, Clone, Copy, Eq, PartialEq, Hash)] pub struct ProcMacroExpander { @@ -39,7 +39,10 @@ impl ProcMacroExpander { Ok(proc_macros) => proc_macros, Err(_) => { never!("Non-dummy expander even though there are no proc macros"); - return ExpandResult::only_err(ExpandError::Other("Internal error".into())); + return ExpandResult::with_err( + tt::Subtree::empty(), + ExpandError::Other("Internal error".into()), + ); } }; let proc_macro = match proc_macros.get(id.0 as usize) { @@ -50,7 +53,10 @@ impl ProcMacroExpander { proc_macros.len(), id.0 ); - return ExpandResult::only_err(ExpandError::Other("Internal error".into())); + return ExpandResult::with_err( + tt::Subtree::empty(), + ExpandError::Other("Internal error".into()), + ); } }; @@ -69,13 +75,17 @@ impl ProcMacroExpander { } } ProcMacroExpansionError::System(text) - | ProcMacroExpansionError::Panic(text) => { - ExpandResult::only_err(ExpandError::Other(text.into())) - } + | ProcMacroExpansionError::Panic(text) => ExpandResult::with_err( + tt::Subtree::empty(), + ExpandError::Other(text.into()), + ), }, } } - None => ExpandResult::only_err(ExpandError::UnresolvedProcMacro(self.krate)), + None => ExpandResult::with_err( + tt::Subtree::empty(), + ExpandError::UnresolvedProcMacro(self.krate), + ), } } } diff --git a/src/tools/rust-analyzer/crates/hir-expand/src/quote.rs b/src/tools/rust-analyzer/crates/hir-expand/src/quote.rs index c0a7bc7ca88..63586f9daf0 100644 --- a/src/tools/rust-analyzer/crates/hir-expand/src/quote.rs +++ b/src/tools/rust-analyzer/crates/hir-expand/src/quote.rs @@ -9,17 +9,18 @@ #[macro_export] macro_rules! __quote { () => { - Vec::<tt::TokenTree>::new() + Vec::<crate::tt::TokenTree>::new() }; ( @SUBTREE $delim:ident $($tt:tt)* ) => { { let children = $crate::__quote!($($tt)*); - tt::Subtree { - delimiter: Some(tt::Delimiter { - kind: tt::DelimiterKind::$delim, - id: tt::TokenId::unspecified(), - }), + crate::tt::Subtree { + delimiter: crate::tt::Delimiter { + kind: crate::tt::DelimiterKind::$delim, + open: crate::tt::TokenId::unspecified(), + close: crate::tt::TokenId::unspecified(), + }, token_trees: $crate::quote::IntoTt::to_tokens(children), } } @@ -28,10 +29,10 @@ macro_rules! __quote { ( @PUNCT $first:literal ) => { { vec![ - tt::Leaf::Punct(tt::Punct { + crate::tt::Leaf::Punct(crate::tt::Punct { char: $first, - spacing: tt::Spacing::Alone, - id: tt::TokenId::unspecified(), + spacing: crate::tt::Spacing::Alone, + span: crate::tt::TokenId::unspecified(), }).into() ] } @@ -40,15 +41,15 @@ macro_rules! __quote { ( @PUNCT $first:literal, $sec:literal ) => { { vec![ - tt::Leaf::Punct(tt::Punct { + crate::tt::Leaf::Punct(crate::tt::Punct { char: $first, - spacing: tt::Spacing::Joint, - id: tt::TokenId::unspecified(), + spacing: crate::tt::Spacing::Joint, + span: crate::tt::TokenId::unspecified(), }).into(), - tt::Leaf::Punct(tt::Punct { + crate::tt::Leaf::Punct(crate::tt::Punct { char: $sec, - spacing: tt::Spacing::Alone, - id: tt::TokenId::unspecified(), + spacing: crate::tt::Spacing::Alone, + span: crate::tt::TokenId::unspecified(), }).into() ] } @@ -67,7 +68,7 @@ macro_rules! __quote { ( ## $first:ident $($tail:tt)* ) => { { - let mut tokens = $first.into_iter().map($crate::quote::ToTokenTree::to_token).collect::<Vec<tt::TokenTree>>(); + let mut tokens = $first.into_iter().map($crate::quote::ToTokenTree::to_token).collect::<Vec<crate::tt::TokenTree>>(); let mut tail_tokens = $crate::quote::IntoTt::to_tokens($crate::__quote!($($tail)*)); tokens.append(&mut tail_tokens); tokens @@ -86,9 +87,9 @@ macro_rules! __quote { // Ident ( $tt:ident ) => { vec![ { - tt::Leaf::Ident(tt::Ident { + crate::tt::Leaf::Ident(crate::tt::Ident { text: stringify!($tt).into(), - id: tt::TokenId::unspecified(), + span: crate::tt::TokenId::unspecified(), }).into() }] }; @@ -127,42 +128,42 @@ macro_rules! quote { } pub(crate) trait IntoTt { - fn to_subtree(self) -> tt::Subtree; - fn to_tokens(self) -> Vec<tt::TokenTree>; + fn to_subtree(self) -> crate::tt::Subtree; + fn to_tokens(self) -> Vec<crate::tt::TokenTree>; } -impl IntoTt for Vec<tt::TokenTree> { - fn to_subtree(self) -> tt::Subtree { - tt::Subtree { delimiter: None, token_trees: self } +impl IntoTt for Vec<crate::tt::TokenTree> { + fn to_subtree(self) -> crate::tt::Subtree { + crate::tt::Subtree { delimiter: crate::tt::Delimiter::unspecified(), token_trees: self } } - fn to_tokens(self) -> Vec<tt::TokenTree> { + fn to_tokens(self) -> Vec<crate::tt::TokenTree> { self } } -impl IntoTt for tt::Subtree { - fn to_subtree(self) -> tt::Subtree { +impl IntoTt for crate::tt::Subtree { + fn to_subtree(self) -> crate::tt::Subtree { self } - fn to_tokens(self) -> Vec<tt::TokenTree> { - vec![tt::TokenTree::Subtree(self)] + fn to_tokens(self) -> Vec<crate::tt::TokenTree> { + vec![crate::tt::TokenTree::Subtree(self)] } } pub(crate) trait ToTokenTree { - fn to_token(self) -> tt::TokenTree; + fn to_token(self) -> crate::tt::TokenTree; } -impl ToTokenTree for tt::TokenTree { - fn to_token(self) -> tt::TokenTree { +impl ToTokenTree for crate::tt::TokenTree { + fn to_token(self) -> crate::tt::TokenTree { self } } -impl ToTokenTree for tt::Subtree { - fn to_token(self) -> tt::TokenTree { +impl ToTokenTree for crate::tt::Subtree { + fn to_token(self) -> crate::tt::TokenTree { self.into() } } @@ -171,15 +172,15 @@ macro_rules! impl_to_to_tokentrees { ($($ty:ty => $this:ident $im:block);*) => { $( impl ToTokenTree for $ty { - fn to_token($this) -> tt::TokenTree { - let leaf: tt::Leaf = $im.into(); + fn to_token($this) -> crate::tt::TokenTree { + let leaf: crate::tt::Leaf = $im.into(); leaf.into() } } impl ToTokenTree for &$ty { - fn to_token($this) -> tt::TokenTree { - let leaf: tt::Leaf = $im.clone().into(); + fn to_token($this) -> crate::tt::TokenTree { + let leaf: crate::tt::Leaf = $im.clone().into(); leaf.into() } } @@ -188,16 +189,16 @@ macro_rules! impl_to_to_tokentrees { } impl_to_to_tokentrees! { - u32 => self { tt::Literal{text: self.to_string().into(), id: tt::TokenId::unspecified()} }; - usize => self { tt::Literal{text: self.to_string().into(), id: tt::TokenId::unspecified()} }; - i32 => self { tt::Literal{text: self.to_string().into(), id: tt::TokenId::unspecified()} }; - bool => self { tt::Ident{text: self.to_string().into(), id: tt::TokenId::unspecified()} }; - tt::Leaf => self { self }; - tt::Literal => self { self }; - tt::Ident => self { self }; - tt::Punct => self { self }; - &str => self { tt::Literal{text: format!("\"{}\"", self.escape_default()).into(), id: tt::TokenId::unspecified()}}; - String => self { tt::Literal{text: format!("\"{}\"", self.escape_default()).into(), id: tt::TokenId::unspecified()}} + u32 => self { crate::tt::Literal{text: self.to_string().into(), span: crate::tt::TokenId::unspecified()} }; + usize => self { crate::tt::Literal{text: self.to_string().into(), span: crate::tt::TokenId::unspecified()} }; + i32 => self { crate::tt::Literal{text: self.to_string().into(), span: crate::tt::TokenId::unspecified()} }; + bool => self { crate::tt::Ident{text: self.to_string().into(), span: crate::tt::TokenId::unspecified()} }; + crate::tt::Leaf => self { self }; + crate::tt::Literal => self { self }; + crate::tt::Ident => self { self }; + crate::tt::Punct => self { self }; + &str => self { crate::tt::Literal{text: format!("\"{}\"", self.escape_default()).into(), span: crate::tt::TokenId::unspecified()}}; + String => self { crate::tt::Literal{text: format!("\"{}\"", self.escape_default()).into(), span: crate::tt::TokenId::unspecified()}} } #[cfg(test)] @@ -223,8 +224,8 @@ mod tests { assert_eq!(quote!(#s).to_string(), "\"hello\""); } - fn mk_ident(name: &str) -> tt::Ident { - tt::Ident { text: name.into(), id: tt::TokenId::unspecified() } + fn mk_ident(name: &str) -> crate::tt::Ident { + crate::tt::Ident { text: name.into(), span: crate::tt::TokenId::unspecified() } } #[test] @@ -234,7 +235,7 @@ mod tests { let quoted = quote!(#a); assert_eq!(quoted.to_string(), "hello"); let t = format!("{quoted:?}"); - assert_eq!(t, "SUBTREE $\n IDENT hello 4294967295"); + assert_eq!(t, "SUBTREE $$ 4294967295 4294967295\n IDENT hello 4294967295"); } #[test] @@ -263,11 +264,12 @@ mod tests { let fields = [mk_ident("name"), mk_ident("id")]; let fields = fields.iter().flat_map(|it| quote!(#it: self.#it.clone(), ).token_trees); - let list = tt::Subtree { - delimiter: Some(tt::Delimiter { - kind: tt::DelimiterKind::Brace, - id: tt::TokenId::unspecified(), - }), + let list = crate::tt::Subtree { + delimiter: crate::tt::Delimiter { + kind: crate::tt::DelimiterKind::Brace, + open: crate::tt::TokenId::unspecified(), + close: crate::tt::TokenId::unspecified(), + }, token_trees: fields.collect(), }; diff --git a/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml b/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml index ae837ac6dce..490bbe1e724 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir-ty/Cargo.toml @@ -2,9 +2,11 @@ name = "hir-ty" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -24,20 +26,21 @@ chalk-ir = "0.88.0" chalk-recursive = { version = "0.88.0", default-features = false } chalk-derive = "0.88.0" la-arena = { version = "0.3.0", path = "../../lib/la-arena" } -once_cell = "1.15.0" +once_cell = "1.17.0" typed-arena = "2.0.1" rustc_index = { version = "0.0.20221221", package = "hkalbasi-rustc-ap-rustc_index", default-features = false } -stdx = { path = "../stdx", version = "0.0.0" } -hir-def = { path = "../hir-def", version = "0.0.0" } -hir-expand = { path = "../hir-expand", version = "0.0.0" } -base-db = { path = "../base-db", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -limit = { path = "../limit", version = "0.0.0" } +# local deps +stdx.workspace = true +intern.workspace = true +hir-def.workspace = true +hir-expand.workspace = true +base-db.workspace = true +profile.workspace = true +syntax.workspace = true +limit.workspace = true [dev-dependencies] -test-utils = { path = "../test-utils" } expect-test = "1.4.0" tracing = "0.1.35" tracing-subscriber = { version = "0.3.16", default-features = false, features = [ @@ -45,3 +48,7 @@ tracing-subscriber = { version = "0.3.16", default-features = false, features = "registry", ] } tracing-tree = "0.2.1" +project-model = { path = "../project-model" } + +# local deps +test-utils.workspace = true diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/autoderef.rs b/src/tools/rust-analyzer/crates/hir-ty/src/autoderef.rs index cbcf8f74c55..58744dd0c0f 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/autoderef.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/autoderef.rs @@ -6,9 +6,9 @@ use std::sync::Arc; use chalk_ir::cast::Cast; +use hir_def::lang_item::LangItem; use hir_expand::name::name; use limit::Limit; -use syntax::SmolStr; use crate::{ db::HirDatabase, infer::unify::InferenceTable, Canonical, Goal, Interner, ProjectionTyExt, @@ -17,11 +17,13 @@ use crate::{ static AUTODEREF_RECURSION_LIMIT: Limit = Limit::new(10); +#[derive(Debug)] pub(crate) enum AutoderefKind { Builtin, Overloaded, } +#[derive(Debug)] pub(crate) struct Autoderef<'a, 'db> { pub(crate) table: &'a mut InferenceTable<'db>, ty: Ty, @@ -117,9 +119,8 @@ fn deref_by_trait(table: &mut InferenceTable<'_>, ty: Ty) -> Option<Ty> { } let db = table.db; - let deref_trait = db - .lang_item(table.trait_env.krate, SmolStr::new_inline("deref")) - .and_then(|l| l.as_trait())?; + let deref_trait = + db.lang_item(table.trait_env.krate, LangItem::Deref).and_then(|l| l.as_trait())?; let target = db.trait_data(deref_trait).associated_type_by_name(&name![Target])?; let projection = { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/builder.rs b/src/tools/rust-analyzer/crates/hir-ty/src/builder.rs index d5ef0c22dec..8faef7bf71e 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/builder.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/builder.rs @@ -63,7 +63,7 @@ impl<D> TyBuilder<D> { } fn build_internal(self) -> (D, Substitution) { - assert_eq!(self.vec.len(), self.param_kinds.len()); + assert_eq!(self.vec.len(), self.param_kinds.len(), "{:?}", &self.param_kinds); for (a, e) in self.vec.iter().zip(self.param_kinds.iter()) { self.assert_match_kind(a, e); } @@ -282,6 +282,21 @@ impl TyBuilder<Tuple> { let (Tuple(size), subst) = self.build_internal(); TyKind::Tuple(size, subst).intern(Interner) } + + pub fn tuple_with<I>(elements: I) -> Ty + where + I: IntoIterator<Item = Ty>, + <I as IntoIterator>::IntoIter: ExactSizeIterator, + { + let elements = elements.into_iter(); + let len = elements.len(); + let mut b = + TyBuilder::new(Tuple(len), iter::repeat(ParamKind::Type).take(len).collect(), None); + for e in elements { + b = b.push(e); + } + b.build() + } } impl TyBuilder<TraitId> { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs index 1c2b8de7f78..6989e9fb9be 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_db.rs @@ -3,7 +3,6 @@ use std::sync::Arc; use cov_mark::hit; -use syntax::SmolStr; use tracing::debug; use chalk_ir::{cast::Cast, fold::shift::Shift, CanonicalVarKinds}; @@ -12,7 +11,7 @@ use chalk_solve::rust_ir::{self, OpaqueTyDatumBound, WellKnownTrait}; use base_db::CrateId; use hir_def::{ expr::Movability, - lang_item::{lang_attr, LangItemTarget}, + lang_item::{lang_attr, LangItem, LangItemTarget}, AssocItemId, GenericDefId, HasModule, ItemContainerId, Lookup, ModuleId, TypeAliasId, }; use hir_expand::name::name; @@ -182,9 +181,9 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> { &self, well_known_trait: rust_ir::WellKnownTrait, ) -> Option<chalk_ir::TraitId<Interner>> { - let lang_attr = lang_attr_from_well_known_trait(well_known_trait); + let lang_attr = lang_item_from_well_known_trait(well_known_trait); let trait_ = match self.db.lang_item(self.krate, lang_attr.into()) { - Some(LangItemTarget::TraitId(trait_)) => trait_, + Some(LangItemTarget::Trait(trait_)) => trait_, _ => return None, }; Some(to_chalk_trait_id(trait_)) @@ -206,7 +205,7 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> { .return_type_impl_traits(func) .expect("impl trait id without impl traits"); let (datas, binders) = (*datas).as_ref().into_value_and_skipped_binders(); - let data = &datas.impl_traits[idx as usize]; + let data = &datas.impl_traits[idx]; let bound = OpaqueTyDatumBound { bounds: make_single_type_binders(data.bounds.skip_binders().to_vec()), where_clauses: chalk_ir::Binders::empty(Interner, vec![]), @@ -216,7 +215,7 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> { crate::ImplTraitId::AsyncBlockTypeImplTrait(..) => { if let Some((future_trait, future_output)) = self .db - .lang_item(self.krate, SmolStr::new_inline("future_trait")) + .lang_item(self.krate, LangItem::Future) .and_then(|item| item.as_trait()) .and_then(|trait_| { let alias = @@ -246,7 +245,7 @@ impl<'a> chalk_solve::RustIrDatabase<Interner> for ChalkContext<'a> { binder.push(crate::wrap_empty_binders(impl_bound)); let sized_trait = self .db - .lang_item(self.krate, SmolStr::new_inline("sized")) + .lang_item(self.krate, LangItem::Sized) .and_then(|item| item.as_trait()); if let Some(sized_trait_) = sized_trait { let sized_bound = WhereClause::Implemented(TraitRef { @@ -493,7 +492,7 @@ pub(crate) fn associated_ty_data_query( if !ctx.unsized_types.borrow().contains(&self_ty) { let sized_trait = db - .lang_item(resolver.krate(), SmolStr::new_inline("sized")) + .lang_item(resolver.krate(), LangItem::Sized) .and_then(|lang_item| lang_item.as_trait().map(to_chalk_trait_id)); let sized_bound = sized_trait.into_iter().map(|sized_trait| { let trait_bound = @@ -541,8 +540,8 @@ pub(crate) fn trait_datum_query( let where_clauses = convert_where_clauses(db, trait_.into(), &bound_vars); let associated_ty_ids = trait_data.associated_types().map(to_assoc_type_id).collect(); let trait_datum_bound = rust_ir::TraitDatumBound { where_clauses }; - let well_known = - lang_attr(db.upcast(), trait_).and_then(|name| well_known_trait_from_lang_attr(&name)); + let well_known = lang_attr(db.upcast(), trait_) + .and_then(|name| well_known_trait_from_lang_item(LangItem::from_str(&name)?)); let trait_datum = TraitDatum { id: trait_id, binders: make_binders(db, &generic_params, trait_datum_bound), @@ -553,42 +552,42 @@ pub(crate) fn trait_datum_query( Arc::new(trait_datum) } -fn well_known_trait_from_lang_attr(name: &str) -> Option<WellKnownTrait> { - Some(match name { - "clone" => WellKnownTrait::Clone, - "coerce_unsized" => WellKnownTrait::CoerceUnsized, - "copy" => WellKnownTrait::Copy, - "discriminant_kind" => WellKnownTrait::DiscriminantKind, - "dispatch_from_dyn" => WellKnownTrait::DispatchFromDyn, - "drop" => WellKnownTrait::Drop, - "fn" => WellKnownTrait::Fn, - "fn_mut" => WellKnownTrait::FnMut, - "fn_once" => WellKnownTrait::FnOnce, - "generator" => WellKnownTrait::Generator, - "sized" => WellKnownTrait::Sized, - "unpin" => WellKnownTrait::Unpin, - "unsize" => WellKnownTrait::Unsize, - "tuple_trait" => WellKnownTrait::Tuple, +fn well_known_trait_from_lang_item(item: LangItem) -> Option<WellKnownTrait> { + Some(match item { + LangItem::Clone => WellKnownTrait::Clone, + LangItem::CoerceUnsized => WellKnownTrait::CoerceUnsized, + LangItem::Copy => WellKnownTrait::Copy, + LangItem::DiscriminantKind => WellKnownTrait::DiscriminantKind, + LangItem::DispatchFromDyn => WellKnownTrait::DispatchFromDyn, + LangItem::Drop => WellKnownTrait::Drop, + LangItem::Fn => WellKnownTrait::Fn, + LangItem::FnMut => WellKnownTrait::FnMut, + LangItem::FnOnce => WellKnownTrait::FnOnce, + LangItem::Generator => WellKnownTrait::Generator, + LangItem::Sized => WellKnownTrait::Sized, + LangItem::Unpin => WellKnownTrait::Unpin, + LangItem::Unsize => WellKnownTrait::Unsize, + LangItem::Tuple => WellKnownTrait::Tuple, _ => return None, }) } -fn lang_attr_from_well_known_trait(attr: WellKnownTrait) -> &'static str { - match attr { - WellKnownTrait::Clone => "clone", - WellKnownTrait::CoerceUnsized => "coerce_unsized", - WellKnownTrait::Copy => "copy", - WellKnownTrait::DiscriminantKind => "discriminant_kind", - WellKnownTrait::DispatchFromDyn => "dispatch_from_dyn", - WellKnownTrait::Drop => "drop", - WellKnownTrait::Fn => "fn", - WellKnownTrait::FnMut => "fn_mut", - WellKnownTrait::FnOnce => "fn_once", - WellKnownTrait::Generator => "generator", - WellKnownTrait::Sized => "sized", - WellKnownTrait::Tuple => "tuple_trait", - WellKnownTrait::Unpin => "unpin", - WellKnownTrait::Unsize => "unsize", +fn lang_item_from_well_known_trait(trait_: WellKnownTrait) -> LangItem { + match trait_ { + WellKnownTrait::Clone => LangItem::Clone, + WellKnownTrait::CoerceUnsized => LangItem::CoerceUnsized, + WellKnownTrait::Copy => LangItem::Copy, + WellKnownTrait::DiscriminantKind => LangItem::DiscriminantKind, + WellKnownTrait::DispatchFromDyn => LangItem::DispatchFromDyn, + WellKnownTrait::Drop => LangItem::Drop, + WellKnownTrait::Fn => LangItem::Fn, + WellKnownTrait::FnMut => LangItem::FnMut, + WellKnownTrait::FnOnce => LangItem::FnOnce, + WellKnownTrait::Generator => LangItem::Generator, + WellKnownTrait::Sized => LangItem::Sized, + WellKnownTrait::Tuple => LangItem::Tuple, + WellKnownTrait::Unpin => LangItem::Unpin, + WellKnownTrait::Unsize => LangItem::Unsize, } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_ext.rs b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_ext.rs index 996b42f5bd8..45c975dfcdc 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/chalk_ext.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/chalk_ext.rs @@ -1,13 +1,13 @@ //! Various extensions traits for Chalk types. -use chalk_ir::{FloatTy, IntTy, Mutability, Scalar, UintTy}; +use chalk_ir::{FloatTy, IntTy, Mutability, Scalar, TyVariableKind, UintTy}; use hir_def::{ builtin_type::{BuiltinFloat, BuiltinInt, BuiltinType, BuiltinUint}, generics::TypeOrConstParamData, + lang_item::LangItem, type_ref::Rawness, FunctionId, GenericDefId, HasModule, ItemContainerId, Lookup, TraitId, }; -use syntax::SmolStr; use crate::{ db::HirDatabase, from_assoc_type_id, from_chalk_trait_id, from_foreign_def_id, @@ -18,6 +18,8 @@ use crate::{ pub trait TyExt { fn is_unit(&self) -> bool; + fn is_integral(&self) -> bool; + fn is_floating_point(&self) -> bool; fn is_never(&self) -> bool; fn is_unknown(&self) -> bool; fn is_ty_var(&self) -> bool; @@ -51,6 +53,21 @@ impl TyExt for Ty { matches!(self.kind(Interner), TyKind::Tuple(0, _)) } + fn is_integral(&self) -> bool { + matches!( + self.kind(Interner), + TyKind::Scalar(Scalar::Int(_) | Scalar::Uint(_)) + | TyKind::InferenceVar(_, TyVariableKind::Integer) + ) + } + + fn is_floating_point(&self) -> bool { + matches!( + self.kind(Interner), + TyKind::Scalar(Scalar::Float(_)) | TyKind::InferenceVar(_, TyVariableKind::Float) + ) + } + fn is_never(&self) -> bool { matches!(self.kind(Interner), TyKind::Never) } @@ -197,9 +214,8 @@ impl TyExt for Ty { match db.lookup_intern_impl_trait_id((*opaque_ty_id).into()) { ImplTraitId::AsyncBlockTypeImplTrait(def, _expr) => { let krate = def.module(db.upcast()).krate(); - if let Some(future_trait) = db - .lang_item(krate, SmolStr::new_inline("future_trait")) - .and_then(|item| item.as_trait()) + if let Some(future_trait) = + db.lang_item(krate, LangItem::Future).and_then(|item| item.as_trait()) { // This is only used by type walking. // Parameters will be walked outside, and projection predicate is not used. @@ -218,9 +234,8 @@ impl TyExt for Ty { } ImplTraitId::ReturnTypeImplTrait(func, idx) => { db.return_type_impl_traits(func).map(|it| { - let data = (*it) - .as_ref() - .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone()); + let data = + (*it).as_ref().map(|rpit| rpit.impl_traits[idx].bounds.clone()); data.substitute(Interner, &subst).into_value_and_skipped_binders().0 }) } @@ -231,9 +246,8 @@ impl TyExt for Ty { { ImplTraitId::ReturnTypeImplTrait(func, idx) => { db.return_type_impl_traits(func).map(|it| { - let data = (*it) - .as_ref() - .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone()); + let data = + (*it).as_ref().map(|rpit| rpit.impl_traits[idx].bounds.clone()); data.substitute(Interner, &opaque_ty.substitution) }) } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/db.rs b/src/tools/rust-analyzer/crates/hir-ty/src/db.rs index 54b244620fb..d45e2a943ad 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/db.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/db.rs @@ -65,7 +65,7 @@ pub trait HirDatabase: DefDatabase + Upcast<dyn DefDatabase> { fn layout_of_adt(&self, def: AdtId, subst: Substitution) -> Result<Layout, LayoutError>; #[salsa::invoke(crate::layout::target_data_layout_query)] - fn target_data_layout(&self, krate: CrateId) -> Arc<TargetDataLayout>; + fn target_data_layout(&self, krate: CrateId) -> Option<Arc<TargetDataLayout>>; #[salsa::invoke(crate::lower::callable_item_sig)] fn callable_item_signature(&self, def: CallableDefId) -> PolyFnSig; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check/case_conv.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check/case_conv.rs index 88d607194f7..2c136896209 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check/case_conv.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/decl_check/case_conv.rs @@ -162,6 +162,7 @@ mod tests { check(to_lower_snake_case, "a", expect![[""]]); check(to_lower_snake_case, "abc", expect![[""]]); check(to_lower_snake_case, "foo__bar", expect![["foo_bar"]]); + check(to_lower_snake_case, "Δ", expect!["δ"]); } #[test] @@ -195,5 +196,6 @@ mod tests { check(to_upper_snake_case, "X86_64", expect![[""]]); check(to_upper_snake_case, "FOO_BAr", expect![["FOO_BAR"]]); check(to_upper_snake_case, "FOO__BAR", expect![["FOO_BAR"]]); + check(to_upper_snake_case, "ß", expect!["SS"]); } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs index c8df4c796ef..3286dcb5afd 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/diagnostics/expr.rs @@ -5,7 +5,9 @@ use std::fmt; use std::sync::Arc; -use hir_def::{path::path, resolver::HasResolver, AdtId, AssocItemId, DefWithBodyId, HasModule}; +use hir_def::lang_item::LangItem; +use hir_def::{resolver::HasResolver, AdtId, AssocItemId, DefWithBodyId, HasModule}; +use hir_def::{ItemContainerId, Lookup}; use hir_expand::name; use itertools::Either; use itertools::Itertools; @@ -245,26 +247,25 @@ struct FilterMapNextChecker { impl FilterMapNextChecker { fn new(resolver: &hir_def::resolver::Resolver, db: &dyn HirDatabase) -> Self { // Find and store the FunctionIds for Iterator::filter_map and Iterator::next - let iterator_path = path![core::iter::Iterator]; - let mut filter_map_function_id = None; - let mut next_function_id = None; - - if let Some(iterator_trait_id) = resolver.resolve_known_trait(db.upcast(), &iterator_path) { - let iterator_trait_items = &db.trait_data(iterator_trait_id).items; - for item in iterator_trait_items.iter() { - if let (name, AssocItemId::FunctionId(id)) = item { - if *name == name![filter_map] { - filter_map_function_id = Some(*id); + let (next_function_id, filter_map_function_id) = match db + .lang_item(resolver.krate(), LangItem::IteratorNext) + .and_then(|it| it.as_function()) + { + Some(next_function_id) => ( + Some(next_function_id), + match next_function_id.lookup(db.upcast()).container { + ItemContainerId::TraitId(iterator_trait_id) => { + let iterator_trait_items = &db.trait_data(iterator_trait_id).items; + iterator_trait_items.iter().find_map(|(name, it)| match it { + &AssocItemId::FunctionId(id) if *name == name![filter_map] => Some(id), + _ => None, + }) } - if *name == name![next] { - next_function_id = Some(*id); - } - } - if filter_map_function_id.is_some() && next_function_id.is_some() { - break; - } - } - } + _ => None, + }, + ), + None => (None, None), + }; Self { filter_map_function_id, next_function_id, prev_filter_map_expr_id: None } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs index 66e813eed8b..5fcbdf34f3c 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/display.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/display.rs @@ -11,17 +11,17 @@ use hir_def::{ db::DefDatabase, find_path, generics::{TypeOrConstParamData, TypeParamProvenance}, - intern::{Internable, Interned}, item_scope::ItemInNs, + lang_item::{LangItem, LangItemTarget}, path::{Path, PathKind}, type_ref::{ConstScalar, TraitBoundModifier, TypeBound, TypeRef}, visibility::Visibility, HasModule, ItemContainerId, Lookup, ModuleDefId, ModuleId, TraitId, }; use hir_expand::{hygiene::Hygiene, name::Name}; +use intern::{Internable, Interned}; use itertools::Itertools; use smallvec::SmallVec; -use syntax::SmolStr; use crate::{ db::HirDatabase, @@ -325,7 +325,7 @@ impl HirDisplay for ProjectionTy { let trait_ref = self.trait_ref(f.db); write!(f, "<")?; - fmt_trait_ref(&trait_ref, f, true)?; + fmt_trait_ref(f, &trait_ref, true)?; write!(f, ">::{}", f.db.type_alias_data(from_assoc_type_id(self.associated_ty_id)).name)?; let proj_params_count = self.substitution.len(Interner) - trait_ref.substitution.len(Interner); @@ -383,7 +383,10 @@ impl HirDisplay for BoundVar { } impl HirDisplay for Ty { - fn hir_fmt(&self, f: &mut HirFormatter<'_>) -> Result<(), HirDisplayError> { + fn hir_fmt( + &self, + f @ &mut HirFormatter { db, .. }: &mut HirFormatter<'_>, + ) -> Result<(), HirDisplayError> { if f.should_truncate() { return write!(f, "{TYPE_HINT_TRUNCATION}"); } @@ -434,7 +437,7 @@ impl HirDisplay for Ty { bounds.iter().any(|bound| { if let WhereClause::Implemented(trait_ref) = bound.skip_binders() { let trait_ = trait_ref.hir_trait_id(); - fn_traits(f.db.upcast(), trait_).any(|it| it == trait_) + fn_traits(db.upcast(), trait_).any(|it| it == trait_) } else { false } @@ -450,22 +453,20 @@ impl HirDisplay for Ty { substitution: parameters, })) | TyKind::OpaqueType(opaque_ty_id, parameters) => { - let impl_trait_id = - f.db.lookup_intern_impl_trait_id((*opaque_ty_id).into()); + let impl_trait_id = db.lookup_intern_impl_trait_id((*opaque_ty_id).into()); if let ImplTraitId::ReturnTypeImplTrait(func, idx) = impl_trait_id { - let datas = - f.db.return_type_impl_traits(func) - .expect("impl trait id without data"); - let data = (*datas) - .as_ref() - .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone()); + let datas = db + .return_type_impl_traits(func) + .expect("impl trait id without data"); + let data = + (*datas).as_ref().map(|rpit| rpit.impl_traits[idx].bounds.clone()); let bounds = data.substitute(Interner, parameters); let mut len = bounds.skip_binders().len(); // Don't count Sized but count when it absent // (i.e. when explicit ?Sized bound is set). let default_sized = SizedByDefault::Sized { - anchor: func.lookup(f.db.upcast()).module(f.db.upcast()).krate(), + anchor: func.lookup(db.upcast()).module(db.upcast()).krate(), }; let sized_bounds = bounds .skip_binders() @@ -476,7 +477,7 @@ impl HirDisplay for Ty { WhereClause::Implemented(trait_ref) if default_sized.is_sized_trait( trait_ref.hir_trait_id(), - f.db.upcast(), + db.upcast(), ), ) }) @@ -524,19 +525,19 @@ impl HirDisplay for Ty { sig.hir_fmt(f)?; } TyKind::FnDef(def, parameters) => { - let def = from_chalk(f.db, *def); - let sig = f.db.callable_item_signature(def).substitute(Interner, parameters); + let def = from_chalk(db, *def); + let sig = db.callable_item_signature(def).substitute(Interner, parameters); + f.start_location_link(def.into()); match def { - CallableDefId::FunctionId(ff) => { - write!(f, "fn {}", f.db.function_data(ff).name)? - } - CallableDefId::StructId(s) => write!(f, "{}", f.db.struct_data(s).name)?, + CallableDefId::FunctionId(ff) => write!(f, "fn {}", db.function_data(ff).name)?, + CallableDefId::StructId(s) => write!(f, "{}", db.struct_data(s).name)?, CallableDefId::EnumVariantId(e) => { - write!(f, "{}", f.db.enum_data(e.parent).variants[e.local_id].name)? + write!(f, "{}", db.enum_data(e.parent).variants[e.local_id].name)? } }; + f.end_location_link(); if parameters.len(Interner) > 0 { - let generics = generics(f.db.upcast(), def.into()); + let generics = generics(db.upcast(), def.into()); let (parent_params, self_param, type_params, const_params, _impl_trait_params) = generics.provenance_split(); let total_len = parent_params + self_param + type_params + const_params; @@ -568,15 +569,15 @@ impl HirDisplay for Ty { match f.display_target { DisplayTarget::Diagnostics | DisplayTarget::Test => { let name = match *def_id { - hir_def::AdtId::StructId(it) => f.db.struct_data(it).name.clone(), - hir_def::AdtId::UnionId(it) => f.db.union_data(it).name.clone(), - hir_def::AdtId::EnumId(it) => f.db.enum_data(it).name.clone(), + hir_def::AdtId::StructId(it) => db.struct_data(it).name.clone(), + hir_def::AdtId::UnionId(it) => db.union_data(it).name.clone(), + hir_def::AdtId::EnumId(it) => db.enum_data(it).name.clone(), }; write!(f, "{name}")?; } DisplayTarget::SourceCode { module_id } => { if let Some(path) = find_path::find_path( - f.db.upcast(), + db.upcast(), ItemInNs::Types((*def_id).into()), module_id, false, @@ -596,8 +597,8 @@ impl HirDisplay for Ty { || f.omit_verbose_types() { match self - .as_generic_def(f.db) - .map(|generic_def_id| f.db.generic_defaults(generic_def_id)) + .as_generic_def(db) + .map(|generic_def_id| db.generic_defaults(generic_def_id)) .filter(|defaults| !defaults.is_empty()) { None => parameters.as_slice(Interner), @@ -669,16 +670,23 @@ impl HirDisplay for Ty { } TyKind::AssociatedType(assoc_type_id, parameters) => { let type_alias = from_assoc_type_id(*assoc_type_id); - let trait_ = match type_alias.lookup(f.db.upcast()).container { + let trait_ = match type_alias.lookup(db.upcast()).container { ItemContainerId::TraitId(it) => it, _ => panic!("not an associated type"), }; - let trait_ = f.db.trait_data(trait_); - let type_alias_data = f.db.type_alias_data(type_alias); + let trait_data = db.trait_data(trait_); + let type_alias_data = db.type_alias_data(type_alias); // Use placeholder associated types when the target is test (https://rust-lang.github.io/chalk/book/clauses/type_equality.html#placeholder-associated-types) if f.display_target.is_test() { - write!(f, "{}::{}", trait_.name, type_alias_data.name)?; + f.start_location_link(trait_.into()); + write!(f, "{}", trait_data.name)?; + f.end_location_link(); + write!(f, "::")?; + + f.start_location_link(type_alias.into()); + write!(f, "{}", type_alias_data.name)?; + f.end_location_link(); // Note that the generic args for the associated type come before those for the // trait (including the self type). // FIXME: reconsider the generic args order upon formatting? @@ -697,30 +705,54 @@ impl HirDisplay for Ty { } } TyKind::Foreign(type_alias) => { - let type_alias = f.db.type_alias_data(from_foreign_def_id(*type_alias)); + let alias = from_foreign_def_id(*type_alias); + let type_alias = db.type_alias_data(alias); + f.start_location_link(alias.into()); write!(f, "{}", type_alias.name)?; + f.end_location_link(); } TyKind::OpaqueType(opaque_ty_id, parameters) => { - let impl_trait_id = f.db.lookup_intern_impl_trait_id((*opaque_ty_id).into()); + let impl_trait_id = db.lookup_intern_impl_trait_id((*opaque_ty_id).into()); match impl_trait_id { ImplTraitId::ReturnTypeImplTrait(func, idx) => { let datas = - f.db.return_type_impl_traits(func).expect("impl trait id without data"); - let data = (*datas) - .as_ref() - .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone()); + db.return_type_impl_traits(func).expect("impl trait id without data"); + let data = + (*datas).as_ref().map(|rpit| rpit.impl_traits[idx].bounds.clone()); let bounds = data.substitute(Interner, ¶meters); - let krate = func.lookup(f.db.upcast()).module(f.db.upcast()).krate(); + let krate = func.lookup(db.upcast()).module(db.upcast()).krate(); write_bounds_like_dyn_trait_with_prefix( + f, "impl", bounds.skip_binders(), SizedByDefault::Sized { anchor: krate }, - f, )?; // FIXME: it would maybe be good to distinguish this from the alias type (when debug printing), and to show the substitution } - ImplTraitId::AsyncBlockTypeImplTrait(..) => { - write!(f, "impl Future<Output = ")?; + ImplTraitId::AsyncBlockTypeImplTrait(body, ..) => { + let future_trait = db + .lang_item(body.module(db.upcast()).krate(), LangItem::Future) + .and_then(LangItemTarget::as_trait); + let output = future_trait.and_then(|t| { + db.trait_data(t).associated_type_by_name(&hir_expand::name!(Output)) + }); + write!(f, "impl ")?; + if let Some(t) = future_trait { + f.start_location_link(t.into()); + } + write!(f, "Future")?; + if let Some(_) = future_trait { + f.end_location_link(); + } + write!(f, "<")?; + if let Some(t) = output { + f.start_location_link(t.into()); + } + write!(f, "Output")?; + if let Some(_) = output { + f.end_location_link(); + } + write!(f, " = ")?; parameters.at(Interner, 0).hir_fmt(f)?; write!(f, ">")?; } @@ -732,7 +764,7 @@ impl HirDisplay for Ty { DisplaySourceCodeError::Closure, )); } - let sig = substs.at(Interner, 0).assert_ty_ref(Interner).callable_sig(f.db); + let sig = substs.at(Interner, 0).assert_ty_ref(Interner).callable_sig(db); if let Some(sig) = sig { if sig.params().is_empty() { write!(f, "||")?; @@ -751,8 +783,8 @@ impl HirDisplay for Ty { } } TyKind::Placeholder(idx) => { - let id = from_placeholder_idx(f.db, *idx); - let generics = generics(f.db.upcast(), id.parent); + let id = from_placeholder_idx(db, *idx); + let generics = generics(db.upcast(), id.parent); let param_data = &generics.params.type_or_consts[id.local_id]; match param_data { TypeOrConstParamData::TypeParamData(p) => match p.provenance { @@ -760,28 +792,28 @@ impl HirDisplay for Ty { write!(f, "{}", p.name.clone().unwrap_or_else(Name::missing))? } TypeParamProvenance::ArgumentImplTrait => { - let substs = generics.placeholder_subst(f.db); - let bounds = - f.db.generic_predicates(id.parent) - .iter() - .map(|pred| pred.clone().substitute(Interner, &substs)) - .filter(|wc| match &wc.skip_binders() { - WhereClause::Implemented(tr) => { - &tr.self_type_parameter(Interner) == self - } - WhereClause::AliasEq(AliasEq { - alias: AliasTy::Projection(proj), - ty: _, - }) => &proj.self_type_parameter(f.db) == self, - _ => false, - }) - .collect::<Vec<_>>(); - let krate = id.parent.module(f.db.upcast()).krate(); + let substs = generics.placeholder_subst(db); + let bounds = db + .generic_predicates(id.parent) + .iter() + .map(|pred| pred.clone().substitute(Interner, &substs)) + .filter(|wc| match &wc.skip_binders() { + WhereClause::Implemented(tr) => { + &tr.self_type_parameter(Interner) == self + } + WhereClause::AliasEq(AliasEq { + alias: AliasTy::Projection(proj), + ty: _, + }) => &proj.self_type_parameter(db) == self, + _ => false, + }) + .collect::<Vec<_>>(); + let krate = id.parent.module(db.upcast()).krate(); write_bounds_like_dyn_trait_with_prefix( + f, "impl", &bounds, SizedByDefault::Sized { anchor: krate }, - f, )?; } }, @@ -803,29 +835,28 @@ impl HirDisplay for Ty { bounds.extend(auto_traits); write_bounds_like_dyn_trait_with_prefix( + f, "dyn", &bounds, SizedByDefault::NotSized, - f, )?; } TyKind::Alias(AliasTy::Projection(p_ty)) => p_ty.hir_fmt(f)?, TyKind::Alias(AliasTy::Opaque(opaque_ty)) => { - let impl_trait_id = f.db.lookup_intern_impl_trait_id(opaque_ty.opaque_ty_id.into()); + let impl_trait_id = db.lookup_intern_impl_trait_id(opaque_ty.opaque_ty_id.into()); match impl_trait_id { ImplTraitId::ReturnTypeImplTrait(func, idx) => { let datas = - f.db.return_type_impl_traits(func).expect("impl trait id without data"); - let data = (*datas) - .as_ref() - .map(|rpit| rpit.impl_traits[idx as usize].bounds.clone()); + db.return_type_impl_traits(func).expect("impl trait id without data"); + let data = + (*datas).as_ref().map(|rpit| rpit.impl_traits[idx].bounds.clone()); let bounds = data.substitute(Interner, &opaque_ty.substitution); - let krate = func.lookup(f.db.upcast()).module(f.db.upcast()).krate(); + let krate = func.lookup(db.upcast()).module(db.upcast()).krate(); write_bounds_like_dyn_trait_with_prefix( + f, "impl", bounds.skip_binders(), SizedByDefault::Sized { anchor: krate }, - f, )?; } ImplTraitId::AsyncBlockTypeImplTrait(..) => { @@ -848,7 +879,6 @@ impl HirDisplay for Ty { DisplaySourceCodeError::Generator, )); } - let subst = subst.as_slice(Interner); let a: Option<SmallVec<[&Ty; 3]>> = subst .get(subst.len() - 3..) @@ -897,7 +927,7 @@ impl HirDisplay for CallableSig { } } -fn fn_traits(db: &dyn DefDatabase, trait_: TraitId) -> impl Iterator<Item = TraitId> { +fn fn_traits(db: &dyn DefDatabase, trait_: TraitId) -> impl Iterator<Item = TraitId> + '_ { let krate = trait_.lookup(db).container.krate(); utils::fn_traits(db, krate) } @@ -914,7 +944,7 @@ impl SizedByDefault { Self::NotSized => false, Self::Sized { anchor } => { let sized_trait = db - .lang_item(anchor, SmolStr::new_inline("sized")) + .lang_item(anchor, LangItem::Sized) .and_then(|lang_item| lang_item.as_trait()); Some(trait_) == sized_trait } @@ -923,26 +953,26 @@ impl SizedByDefault { } pub fn write_bounds_like_dyn_trait_with_prefix( + f: &mut HirFormatter<'_>, prefix: &str, predicates: &[QuantifiedWhereClause], default_sized: SizedByDefault, - f: &mut HirFormatter<'_>, ) -> Result<(), HirDisplayError> { write!(f, "{prefix}")?; if !predicates.is_empty() || predicates.is_empty() && matches!(default_sized, SizedByDefault::Sized { .. }) { write!(f, " ")?; - write_bounds_like_dyn_trait(predicates, default_sized, f) + write_bounds_like_dyn_trait(f, predicates, default_sized) } else { Ok(()) } } fn write_bounds_like_dyn_trait( + f: &mut HirFormatter<'_>, predicates: &[QuantifiedWhereClause], default_sized: SizedByDefault, - f: &mut HirFormatter<'_>, ) -> Result<(), HirDisplayError> { // Note: This code is written to produce nice results (i.e. // corresponding to surface Rust) for types that can occur in @@ -978,7 +1008,9 @@ fn write_bounds_like_dyn_trait( // We assume that the self type is ^0.0 (i.e. the // existential) here, which is the only thing that's // possible in actual Rust, and hence don't print it + f.start_location_link(trait_.into()); write!(f, "{}", f.db.trait_data(trait_).name)?; + f.end_location_link(); if let [_, params @ ..] = &*trait_ref.substitution.as_slice(Interner) { if is_fn_trait { if let Some(args) = @@ -1015,7 +1047,9 @@ fn write_bounds_like_dyn_trait( if let AliasTy::Projection(proj) = alias { let assoc_ty_id = from_assoc_type_id(proj.associated_ty_id); let type_alias = f.db.type_alias_data(assoc_ty_id); + f.start_location_link(assoc_ty_id.into()); write!(f, "{}", type_alias.name)?; + f.end_location_link(); let proj_arg_count = generics(f.db.upcast(), assoc_ty_id.into()).len_self(); if proj_arg_count > 0 { @@ -1040,19 +1074,33 @@ fn write_bounds_like_dyn_trait( if angle_open { write!(f, ">")?; } - if matches!(default_sized, SizedByDefault::Sized { .. }) { + if let SizedByDefault::Sized { anchor } = default_sized { + let sized_trait = + f.db.lang_item(anchor, LangItem::Sized).and_then(|lang_item| lang_item.as_trait()); if !is_sized { - write!(f, "{}?Sized", if first { "" } else { " + " })?; + if !first { + write!(f, " + ")?; + } + if let Some(sized_trait) = sized_trait { + f.start_location_link(sized_trait.into()); + } + write!(f, "?Sized")?; } else if first { + if let Some(sized_trait) = sized_trait { + f.start_location_link(sized_trait.into()); + } write!(f, "Sized")?; } + if let Some(_) = sized_trait { + f.end_location_link(); + } } Ok(()) } fn fmt_trait_ref( - tr: &TraitRef, f: &mut HirFormatter<'_>, + tr: &TraitRef, use_as: bool, ) -> Result<(), HirDisplayError> { if f.should_truncate() { @@ -1065,7 +1113,10 @@ fn fmt_trait_ref( } else { write!(f, ": ")?; } - write!(f, "{}", f.db.trait_data(tr.hir_trait_id()).name)?; + let trait_ = tr.hir_trait_id(); + f.start_location_link(trait_.into()); + write!(f, "{}", f.db.trait_data(trait_).name)?; + f.end_location_link(); if tr.substitution.len(Interner) > 1 { write!(f, "<")?; f.write_joined(&tr.substitution.as_slice(Interner)[1..], ", ")?; @@ -1076,7 +1127,7 @@ fn fmt_trait_ref( impl HirDisplay for TraitRef { fn hir_fmt(&self, f: &mut HirFormatter<'_>) -> Result<(), HirDisplayError> { - fmt_trait_ref(self, f, false) + fmt_trait_ref(f, self, false) } } @@ -1090,12 +1141,13 @@ impl HirDisplay for WhereClause { WhereClause::Implemented(trait_ref) => trait_ref.hir_fmt(f)?, WhereClause::AliasEq(AliasEq { alias: AliasTy::Projection(projection_ty), ty }) => { write!(f, "<")?; - fmt_trait_ref(&projection_ty.trait_ref(f.db), f, true)?; - write!( - f, - ">::{} = ", - f.db.type_alias_data(from_assoc_type_id(projection_ty.associated_ty_id)).name, - )?; + fmt_trait_ref(f, &projection_ty.trait_ref(f.db), true)?; + write!(f, ">::",)?; + let type_alias = from_assoc_type_id(projection_ty.associated_ty_id); + f.start_location_link(type_alias.into()); + write!(f, "{}", f.db.type_alias_data(type_alias).name,)?; + f.end_location_link(); + write!(f, " = ")?; ty.hir_fmt(f)?; } WhereClause::AliasEq(_) => write!(f, "{{error}}")?, diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs index 6b59f1c20da..767afdf9eb4 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer.rs @@ -22,15 +22,15 @@ use hir_def::{ builtin_type::{BuiltinInt, BuiltinType, BuiltinUint}, data::{ConstData, StaticData}, expr::{BindingAnnotation, ExprId, ExprOrPatId, PatId}, - lang_item::LangItemTarget, + lang_item::{LangItem, LangItemTarget}, layout::Integer, - path::{path, Path}, + path::Path, resolver::{HasResolver, ResolveValueResult, Resolver, TypeNs, ValueNs}, type_ref::TypeRef, AdtId, AssocItemId, DefWithBodyId, EnumVariantId, FieldId, FunctionId, HasModule, ItemContainerId, Lookup, TraitId, TypeAliasId, VariantId, }; -use hir_expand::name::{name, Name}; +use hir_expand::name::name; use itertools::Either; use la_arena::ArenaMap; use rustc_hash::FxHashMap; @@ -39,7 +39,7 @@ use stdx::always; use crate::{ db::HirDatabase, fold_tys, fold_tys_and_consts, infer::coerce::CoerceMany, lower::ImplTraitLoweringMode, to_assoc_type_id, AliasEq, AliasTy, Const, DomainGoal, - GenericArg, Goal, ImplTraitId, InEnvironment, Interner, ProjectionTy, Substitution, + GenericArg, Goal, ImplTraitId, InEnvironment, Interner, ProjectionTy, RpitId, Substitution, TraitEnvironment, TraitRef, Ty, TyBuilder, TyExt, TyKind, }; @@ -219,6 +219,7 @@ struct InternedStandardTypes { unknown: Ty, bool_: Ty, unit: Ty, + never: Ty, } impl Default for InternedStandardTypes { @@ -227,6 +228,7 @@ impl Default for InternedStandardTypes { unknown: TyKind::Error.intern(Interner), bool_: TyKind::Scalar(Scalar::Bool).intern(Interner), unit: TyKind::Tuple(0, Substitution::empty(Interner)).intern(Interner), + never: TyKind::Never.intern(Interner), } } } @@ -352,6 +354,7 @@ pub struct InferenceResult { /// **Note**: When a pattern type is resolved it may still contain /// unresolved or missing subpatterns or subpatterns of mismatched types. pub type_of_pat: ArenaMap<PatId, Ty>, + pub type_of_rpit: ArenaMap<RpitId, Ty>, type_mismatches: FxHashMap<ExprOrPatId, TypeMismatch>, /// Interned common types to return references to. standard_types: InternedStandardTypes, @@ -525,6 +528,9 @@ impl<'a> InferenceContext<'a> { for ty in result.type_of_pat.values_mut() { *ty = table.resolve_completely(ty.clone()); } + for ty in result.type_of_rpit.iter_mut().map(|x| x.1) { + *ty = table.resolve_completely(ty.clone()); + } for mismatch in result.type_mismatches.values_mut() { mismatch.expected = table.resolve_completely(mismatch.expected.clone()); mismatch.actual = table.resolve_completely(mismatch.actual.clone()); @@ -603,7 +609,7 @@ impl<'a> InferenceContext<'a> { _ => unreachable!(), }; let bounds = (*rpits).map_ref(|rpits| { - rpits.impl_traits[idx as usize].bounds.map_ref(|it| it.into_iter()) + rpits.impl_traits[idx].bounds.map_ref(|it| it.into_iter()) }); let var = self.table.new_type_var(); let var_subst = Substitution::from1(Interner, var.clone()); @@ -616,6 +622,7 @@ impl<'a> InferenceContext<'a> { always!(binders.is_empty(Interner)); // quantified where clauses not yet handled self.push_obligation(var_predicate.cast(Interner)); } + self.result.type_of_rpit.insert(idx, var.clone()); var }, DebruijnIndex::INNERMOST, @@ -917,104 +924,98 @@ impl<'a> InferenceContext<'a> { } } - fn resolve_lang_item(&self, name: Name) -> Option<LangItemTarget> { + fn resolve_lang_item(&self, item: LangItem) -> Option<LangItemTarget> { let krate = self.resolver.krate(); - self.db.lang_item(krate, name.to_smol_str()) + self.db.lang_item(krate, item) } fn resolve_into_iter_item(&self) -> Option<TypeAliasId> { - let path = path![core::iter::IntoIterator]; - let trait_ = self.resolver.resolve_known_trait(self.db.upcast(), &path)?; + let ItemContainerId::TraitId(trait_) = self.resolve_lang_item(LangItem::IntoIterIntoIter)? + .as_function()? + .lookup(self.db.upcast()).container + else { return None }; self.db.trait_data(trait_).associated_type_by_name(&name![IntoIter]) } fn resolve_iterator_item(&self) -> Option<TypeAliasId> { - let path = path![core::iter::Iterator]; - let trait_ = self.resolver.resolve_known_trait(self.db.upcast(), &path)?; + let ItemContainerId::TraitId(trait_) = self.resolve_lang_item(LangItem::IteratorNext)? + .as_function()? + .lookup(self.db.upcast()).container + else { return None }; self.db.trait_data(trait_).associated_type_by_name(&name![Item]) } - fn resolve_ops_try_ok(&self) -> Option<TypeAliasId> { - // FIXME resolve via lang_item once try v2 is stable - let path = path![core::ops::Try]; - let trait_ = self.resolver.resolve_known_trait(self.db.upcast(), &path)?; - let trait_data = self.db.trait_data(trait_); - trait_data - // FIXME remove once try v2 is stable - .associated_type_by_name(&name![Ok]) - .or_else(|| trait_data.associated_type_by_name(&name![Output])) + fn resolve_output_on(&self, trait_: TraitId) -> Option<TypeAliasId> { + self.db.trait_data(trait_).associated_type_by_name(&name![Output]) + } + + fn resolve_lang_trait(&self, lang: LangItem) -> Option<TraitId> { + self.resolve_lang_item(lang)?.as_trait() + } + + fn resolve_ops_try_output(&self) -> Option<TypeAliasId> { + self.resolve_output_on(self.resolve_lang_trait(LangItem::Try)?) } fn resolve_ops_neg_output(&self) -> Option<TypeAliasId> { - let trait_ = self.resolve_lang_item(name![neg])?.as_trait()?; - self.db.trait_data(trait_).associated_type_by_name(&name![Output]) + self.resolve_output_on(self.resolve_lang_trait(LangItem::Neg)?) } fn resolve_ops_not_output(&self) -> Option<TypeAliasId> { - let trait_ = self.resolve_lang_item(name![not])?.as_trait()?; - self.db.trait_data(trait_).associated_type_by_name(&name![Output]) + self.resolve_output_on(self.resolve_lang_trait(LangItem::Not)?) } fn resolve_future_future_output(&self) -> Option<TypeAliasId> { - let trait_ = self - .resolver - .resolve_known_trait(self.db.upcast(), &path![core::future::IntoFuture]) - .or_else(|| self.resolve_lang_item(name![future_trait])?.as_trait())?; - self.db.trait_data(trait_).associated_type_by_name(&name![Output]) + let ItemContainerId::TraitId(trait_) = self + .resolve_lang_item(LangItem::IntoFutureIntoFuture)? + .as_function()? + .lookup(self.db.upcast()) + .container + else { return None }; + self.resolve_output_on(trait_) } fn resolve_boxed_box(&self) -> Option<AdtId> { - let struct_ = self.resolve_lang_item(name![owned_box])?.as_struct()?; + let struct_ = self.resolve_lang_item(LangItem::OwnedBox)?.as_struct()?; Some(struct_.into()) } fn resolve_range_full(&self) -> Option<AdtId> { - let path = path![core::ops::RangeFull]; - let struct_ = self.resolver.resolve_known_struct(self.db.upcast(), &path)?; + let struct_ = self.resolve_lang_item(LangItem::RangeFull)?.as_struct()?; Some(struct_.into()) } fn resolve_range(&self) -> Option<AdtId> { - let path = path![core::ops::Range]; - let struct_ = self.resolver.resolve_known_struct(self.db.upcast(), &path)?; + let struct_ = self.resolve_lang_item(LangItem::Range)?.as_struct()?; Some(struct_.into()) } fn resolve_range_inclusive(&self) -> Option<AdtId> { - let path = path![core::ops::RangeInclusive]; - let struct_ = self.resolver.resolve_known_struct(self.db.upcast(), &path)?; + let struct_ = self.resolve_lang_item(LangItem::RangeInclusiveStruct)?.as_struct()?; Some(struct_.into()) } fn resolve_range_from(&self) -> Option<AdtId> { - let path = path![core::ops::RangeFrom]; - let struct_ = self.resolver.resolve_known_struct(self.db.upcast(), &path)?; + let struct_ = self.resolve_lang_item(LangItem::RangeFrom)?.as_struct()?; Some(struct_.into()) } fn resolve_range_to(&self) -> Option<AdtId> { - let path = path![core::ops::RangeTo]; - let struct_ = self.resolver.resolve_known_struct(self.db.upcast(), &path)?; + let struct_ = self.resolve_lang_item(LangItem::RangeTo)?.as_struct()?; Some(struct_.into()) } fn resolve_range_to_inclusive(&self) -> Option<AdtId> { - let path = path![core::ops::RangeToInclusive]; - let struct_ = self.resolver.resolve_known_struct(self.db.upcast(), &path)?; + let struct_ = self.resolve_lang_item(LangItem::RangeToInclusive)?.as_struct()?; Some(struct_.into()) } - fn resolve_ops_index(&self) -> Option<TraitId> { - self.resolve_lang_item(name![index])?.as_trait() - } - fn resolve_ops_index_output(&self) -> Option<TypeAliasId> { - let trait_ = self.resolve_ops_index()?; - self.db.trait_data(trait_).associated_type_by_name(&name![Output]) + self.resolve_output_on(self.resolve_lang_trait(LangItem::Index)?) } fn resolve_va_list(&self) -> Option<AdtId> { - let struct_ = self.resolve_lang_item(name![va_list])?.as_struct()?; + let struct_ = self.resolve_lang_item(LangItem::VaList)?.as_struct()?; Some(struct_.into()) } } @@ -1025,7 +1026,8 @@ impl<'a> InferenceContext<'a> { pub(crate) enum Expectation { None, HasType(Ty), - // Castable(Ty), // rustc has this, we currently just don't propagate an expectation for casts + #[allow(dead_code)] + Castable(Ty), RValueLikeUnsized(Ty), } @@ -1041,10 +1043,6 @@ impl Expectation { } } - fn from_option(ty: Option<Ty>) -> Self { - ty.map_or(Expectation::None, Expectation::HasType) - } - /// The following explanation is copied straight from rustc: /// Provides an expectation for an rvalue expression given an *optional* /// hint, which is not required for type safety (the resulting type might @@ -1082,6 +1080,7 @@ impl Expectation { match self { Expectation::None => Expectation::None, Expectation::HasType(t) => Expectation::HasType(table.resolve_ty_shallow(t)), + Expectation::Castable(t) => Expectation::Castable(table.resolve_ty_shallow(t)), Expectation::RValueLikeUnsized(t) => { Expectation::RValueLikeUnsized(table.resolve_ty_shallow(t)) } @@ -1091,20 +1090,25 @@ impl Expectation { fn to_option(&self, table: &mut unify::InferenceTable<'_>) -> Option<Ty> { match self.resolve(table) { Expectation::None => None, - Expectation::HasType(t) | - // Expectation::Castable(t) | - Expectation::RValueLikeUnsized(t) => Some(t), + Expectation::HasType(t) + | Expectation::Castable(t) + | Expectation::RValueLikeUnsized(t) => Some(t), } } fn only_has_type(&self, table: &mut unify::InferenceTable<'_>) -> Option<Ty> { match self { Expectation::HasType(t) => Some(table.resolve_ty_shallow(t)), - // Expectation::Castable(_) | - Expectation::RValueLikeUnsized(_) | Expectation::None => None, + Expectation::Castable(_) | Expectation::RValueLikeUnsized(_) | Expectation::None => { + None + } } } + fn coercion_target_type(&self, table: &mut unify::InferenceTable<'_>) -> Ty { + self.only_has_type(table).unwrap_or_else(|| table.new_type_var()) + } + /// Comment copied from rustc: /// Disregard "castable to" expectations because they /// can lead us astray. Consider for example `if cond diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs index 094e460dbf7..a6449d019ff 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/closure.rs @@ -51,7 +51,7 @@ impl InferenceContext<'_> { .map(to_chalk_trait_id) .collect(); - let self_ty = TyKind::Error.intern(Interner); + let self_ty = self.result.standard_types.unknown.clone(); let bounds = dyn_ty.bounds.clone().substitute(Interner, &[self_ty.cast(Interner)]); for bound in bounds.iter(Interner) { // NOTE(skip_binders): the extracted types are rebound by the returned `FnPointer` @@ -67,7 +67,7 @@ impl InferenceContext<'_> { let arg = projection.substitution.as_slice(Interner).get(1)?; if let Some(subst) = arg.ty(Interner)?.as_tuple() { let generic_args = subst.as_slice(Interner); - let mut sig_tys = Vec::new(); + let mut sig_tys = Vec::with_capacity(generic_args.len() + 1); for arg in generic_args { sig_tys.push(arg.ty(Interner)?.clone()); } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/coerce.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/coerce.rs index 8df25c83c6e..3293534a068 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/coerce.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/coerce.rs @@ -8,9 +8,11 @@ use std::{iter, sync::Arc}; use chalk_ir::{cast::Cast, BoundVar, Goal, Mutability, TyVariableKind}; -use hir_def::{expr::ExprId, lang_item::LangItemTarget}; +use hir_def::{ + expr::ExprId, + lang_item::{LangItem, LangItemTarget}, +}; use stdx::always; -use syntax::SmolStr; use crate::{ autoderef::{Autoderef, AutoderefKind}, @@ -570,11 +572,10 @@ impl<'a> InferenceTable<'a> { reborrow.as_ref().map_or_else(|| from_ty.clone(), |(_, adj)| adj.target.clone()); let krate = self.trait_env.krate; - let coerce_unsized_trait = - match self.db.lang_item(krate, SmolStr::new_inline("coerce_unsized")) { - Some(LangItemTarget::TraitId(trait_)) => trait_, - _ => return Err(TypeError), - }; + let coerce_unsized_trait = match self.db.lang_item(krate, LangItem::CoerceUnsized) { + Some(LangItemTarget::Trait(trait_)) => trait_, + _ => return Err(TypeError), + }; let coerce_unsized_tref = { let b = TyBuilder::trait_ref(self.db, coerce_unsized_trait); diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs index 8f9cdac3784..175fded8cca 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/expr.rs @@ -10,15 +10,15 @@ use chalk_ir::{ }; use hir_def::{ expr::{ - ArithOp, Array, BinaryOp, ClosureKind, CmpOp, Expr, ExprId, LabelId, Literal, Statement, - UnaryOp, + ArithOp, Array, BinaryOp, ClosureKind, Expr, ExprId, LabelId, Literal, Statement, UnaryOp, }, generics::TypeOrConstParamData, + lang_item::LangItem, path::{GenericArg, GenericArgs}, resolver::resolver_for_expr, ConstParamId, FieldId, ItemContainerId, Lookup, }; -use hir_expand::name::Name; +use hir_expand::name::{name, Name}; use stdx::always; use syntax::ast::RangeOp; @@ -30,7 +30,7 @@ use crate::{ const_or_path_to_chalk, generic_arg_to_chalk, lower_to_chalk_mutability, ParamLoweringMode, }, mapping::{from_chalk, ToChalk}, - method_resolution::{self, lang_names_for_bin_op, VisibleFromModule}, + method_resolution::{self, lang_items_for_bin_op, VisibleFromModule}, primitive::{self, UintTy}, static_lifetime, to_chalk_trait_id, utils::{generics, Generics}, @@ -87,16 +87,15 @@ impl<'a> InferenceContext<'a> { let expected = &expected.adjust_for_branches(&mut self.table); self.infer_expr( condition, - &Expectation::has_type(TyKind::Scalar(Scalar::Bool).intern(Interner)), + &Expectation::HasType(self.result.standard_types.bool_.clone()), ); let condition_diverges = mem::replace(&mut self.diverges, Diverges::Maybe); let mut both_arms_diverge = Diverges::Always; - let result_ty = self.table.new_type_var(); let then_ty = self.infer_expr_inner(then_branch, expected); both_arms_diverge &= mem::replace(&mut self.diverges, Diverges::Maybe); - let mut coerce = CoerceMany::new(result_ty); + let mut coerce = CoerceMany::new(expected.coercion_target_type(&mut self.table)); coerce.coerce(self, Some(then_branch), &then_ty); let else_ty = match else_branch { Some(else_branch) => self.infer_expr_inner(else_branch, expected), @@ -113,7 +112,7 @@ impl<'a> InferenceContext<'a> { &Expr::Let { pat, expr } => { let input_ty = self.infer_expr(expr, &Expectation::none()); self.infer_pat(pat, &input_ty, BindingMode::default()); - TyKind::Scalar(Scalar::Bool).intern(Interner) + self.result.standard_types.bool_.clone() } Expr::Block { statements, tail, label, id: _ } => { let old_resolver = mem::replace( @@ -158,7 +157,8 @@ impl<'a> InferenceContext<'a> { } // The ok-ish type that is expected from the last expression - let ok_ty = self.resolve_associated_type(try_ty.clone(), self.resolve_ops_try_ok()); + let ok_ty = + self.resolve_associated_type(try_ty.clone(), self.resolve_ops_try_output()); self.with_breakable_ctx(BreakableKind::Block, ok_ty.clone(), None, |this| { this.infer_expr(*body, &Expectation::has_type(ok_ty)); @@ -187,10 +187,12 @@ impl<'a> InferenceContext<'a> { .intern(Interner) } &Expr::Loop { body, label } => { + // FIXME: should be: + // let ty = expected.coercion_target_type(&mut self.table); let ty = self.table.new_type_var(); let (breaks, ()) = self.with_breakable_ctx(BreakableKind::Loop, ty, label, |this| { - this.infer_expr(body, &Expectation::has_type(TyBuilder::unit())); + this.infer_expr(body, &Expectation::HasType(TyBuilder::unit())); }); match breaks { @@ -198,16 +200,16 @@ impl<'a> InferenceContext<'a> { self.diverges = Diverges::Maybe; breaks } - None => TyKind::Never.intern(Interner), + None => self.result.standard_types.never.clone(), } } &Expr::While { condition, body, label } => { self.with_breakable_ctx(BreakableKind::Loop, self.err_ty(), label, |this| { this.infer_expr( condition, - &Expectation::has_type(TyKind::Scalar(Scalar::Bool).intern(Interner)), + &Expectation::HasType(this.result.standard_types.bool_.clone()), ); - this.infer_expr(body, &Expectation::has_type(TyBuilder::unit())); + this.infer_expr(body, &Expectation::HasType(TyBuilder::unit())); }); // the body may not run, so it diverging doesn't mean we diverge @@ -223,7 +225,7 @@ impl<'a> InferenceContext<'a> { self.infer_pat(pat, &pat_ty, BindingMode::default()); self.with_breakable_ctx(BreakableKind::Loop, self.err_ty(), label, |this| { - this.infer_expr(body, &Expectation::has_type(TyBuilder::unit())); + this.infer_expr(body, &Expectation::HasType(TyBuilder::unit())); }); // the body may not run, so it diverging doesn't mean we diverge @@ -233,7 +235,7 @@ impl<'a> InferenceContext<'a> { Expr::Closure { body, args, ret_type, arg_types, closure_kind } => { assert_eq!(args.len(), arg_types.len()); - let mut sig_tys = Vec::new(); + let mut sig_tys = Vec::with_capacity(arg_types.len() + 1); // collect explicitly written argument types for arg_type in arg_types.iter() { @@ -254,7 +256,8 @@ impl<'a> InferenceContext<'a> { num_binders: 0, sig: FnSig { abi: (), safety: chalk_ir::Safety::Safe, variadic: false }, substitution: FnSubst( - Substitution::from_iter(Interner, sig_tys.clone()).shifted_in(Interner), + Substitution::from_iter(Interner, sig_tys.iter().cloned()) + .shifted_in(Interner), ), }) .intern(Interner); @@ -316,27 +319,34 @@ impl<'a> InferenceContext<'a> { Expr::Call { callee, args, .. } => { let callee_ty = self.infer_expr(*callee, &Expectation::none()); let mut derefs = Autoderef::new(&mut self.table, callee_ty.clone()); - let mut res = None; - let mut derefed_callee = callee_ty.clone(); - // manual loop to be able to access `derefs.table` - while let Some((callee_deref_ty, _)) = derefs.next() { - res = derefs.table.callable_sig(&callee_deref_ty, args.len()); - if res.is_some() { - derefed_callee = callee_deref_ty; - break; + let (res, derefed_callee) = 'b: { + // manual loop to be able to access `derefs.table` + while let Some((callee_deref_ty, _)) = derefs.next() { + let res = derefs.table.callable_sig(&callee_deref_ty, args.len()); + if res.is_some() { + break 'b (res, callee_deref_ty); + } } - } + (None, callee_ty.clone()) + }; // if the function is unresolved, we use is_varargs=true to // suppress the arg count diagnostic here let is_varargs = derefed_callee.callable_sig(self.db).map_or(false, |sig| sig.is_varargs) || res.is_none(); let (param_tys, ret_ty) = match res { - Some(res) => { + Some((func, params, ret_ty)) => { let adjustments = auto_deref_adjust_steps(&derefs); // FIXME: Handle call adjustments for Fn/FnMut self.write_expr_adj(*callee, adjustments); - res + if let Some((trait_, func)) = func { + let subst = TyBuilder::subst_for_def(self.db, trait_, None) + .push(callee_ty.clone()) + .push(TyBuilder::tuple_with(params.iter().cloned())) + .build(); + self.write_method_resolution(tgt_expr, func, subst.clone()); + } + (params, ret_ty) } None => (Vec::new(), self.err_ty()), // FIXME diagnostic }; @@ -374,12 +384,9 @@ impl<'a> InferenceContext<'a> { let expected = expected.adjust_for_branches(&mut self.table); let result_ty = if arms.is_empty() { - TyKind::Never.intern(Interner) + self.result.standard_types.never.clone() } else { - match &expected { - Expectation::HasType(ty) => ty.clone(), - _ => self.table.new_type_var(), - } + expected.coercion_target_type(&mut self.table) }; let mut coerce = CoerceMany::new(result_ty); @@ -392,7 +399,7 @@ impl<'a> InferenceContext<'a> { if let Some(guard_expr) = arm.guard { self.infer_expr( guard_expr, - &Expectation::has_type(TyKind::Scalar(Scalar::Bool).intern(Interner)), + &Expectation::HasType(self.result.standard_types.bool_.clone()), ); } @@ -417,7 +424,7 @@ impl<'a> InferenceContext<'a> { is_break: false, }); }; - TyKind::Never.intern(Interner) + self.result.standard_types.never.clone() } Expr::Break { expr, label } => { let val_ty = if let Some(expr) = *expr { @@ -431,7 +438,7 @@ impl<'a> InferenceContext<'a> { // avoiding the borrowck let mut coerce = mem::replace( &mut ctxt.coerce, - CoerceMany::new(self.result.standard_types.unknown.clone()), + CoerceMany::new(expected.coercion_target_type(&mut self.table)), ); // FIXME: create a synthetic `()` during lowering so we have something to refer to here? @@ -449,7 +456,7 @@ impl<'a> InferenceContext<'a> { }); } } - TyKind::Never.intern(Interner) + self.result.standard_types.never.clone() } Expr::Return { expr } => { if let Some(expr) = expr { @@ -458,7 +465,7 @@ impl<'a> InferenceContext<'a> { let unit = TyBuilder::unit(); let _ = self.coerce(Some(tgt_expr), &unit, &self.return_ty.clone()); } - TyKind::Never.intern(Interner) + self.result.standard_types.never.clone() } Expr::Yield { expr } => { if let Some((resume_ty, yield_ty)) = self.resume_yield_tys.clone() { @@ -471,14 +478,14 @@ impl<'a> InferenceContext<'a> { resume_ty } else { // FIXME: report error (yield expr in non-generator) - TyKind::Error.intern(Interner) + self.result.standard_types.unknown.clone() } } Expr::Yeet { expr } => { if let &Some(expr) = expr { self.infer_expr_inner(expr, &Expectation::None); } - TyKind::Never.intern(Interner) + self.result.standard_types.never.clone() } Expr::RecordLit { path, fields, spread, .. } => { let (ty, def_id) = self.resolve_variant(path.as_deref(), false); @@ -588,12 +595,23 @@ impl<'a> InferenceContext<'a> { } Expr::Try { expr } => { let inner_ty = self.infer_expr_inner(*expr, &Expectation::none()); - self.resolve_associated_type(inner_ty, self.resolve_ops_try_ok()) + if let Some(trait_) = self.resolve_lang_trait(LangItem::Try) { + if let Some(func) = self.db.trait_data(trait_).method_by_name(&name!(branch)) { + let subst = TyBuilder::subst_for_def(self.db, trait_, None) + .push(inner_ty.clone()) + .build(); + self.write_method_resolution(tgt_expr, func, subst.clone()); + } + let try_output = self.resolve_output_on(trait_); + self.resolve_associated_type(inner_ty, try_output) + } else { + self.err_ty() + } } Expr::Cast { expr, type_ref } => { - // FIXME: propagate the "castable to" expectation (and find a test case that shows this is necessary) - let _inner_ty = self.infer_expr_inner(*expr, &Expectation::none()); let cast_ty = self.make_ty(type_ref); + // FIXME: propagate the "castable to" expectation + let _inner_ty = self.infer_expr_inner(*expr, &Expectation::None); // FIXME check the cast... cast_ty } @@ -627,6 +645,7 @@ impl<'a> InferenceContext<'a> { Expr::UnaryOp { expr, op } => { let inner_ty = self.infer_expr_inner(*expr, &Expectation::none()); let inner_ty = self.resolve_ty_shallow(&inner_ty); + // FIXME: Note down method resolution her match op { UnaryOp::Deref => { autoderef::deref(&mut self.table, inner_ty).unwrap_or_else(|| self.err_ty()) @@ -736,7 +755,7 @@ impl<'a> InferenceContext<'a> { let base_ty = self.infer_expr_inner(*base, &Expectation::none()); let index_ty = self.infer_expr(*index, &Expectation::none()); - if let Some(index_trait) = self.resolve_ops_index() { + if let Some(index_trait) = self.resolve_lang_trait(LangItem::Index) { let canonicalized = self.canonicalize(base_ty.clone()); let receiver_adjustments = method_resolution::resolve_indexing_op( self.db, @@ -749,6 +768,15 @@ impl<'a> InferenceContext<'a> { adj.apply(&mut self.table, base_ty) }); self.write_expr_adj(*base, adj); + if let Some(func) = + self.db.trait_data(index_trait).method_by_name(&name!(index)) + { + let substs = TyBuilder::subst_for_def(self.db, index_trait, None) + .push(self_ty.clone()) + .push(index_ty.clone()) + .build(); + self.write_method_resolution(tgt_expr, func, substs.clone()); + } self.resolve_associated_type_with_params( self_ty, self.resolve_ops_index_output(), @@ -800,7 +828,7 @@ impl<'a> InferenceContext<'a> { self.infer_expr_coerce(initializer, &Expectation::has_type(elem_ty)); self.infer_expr( repeat, - &Expectation::has_type( + &Expectation::HasType( TyKind::Scalar(Scalar::Uint(UintTy::Usize)).intern(Interner), ), ); @@ -823,7 +851,7 @@ impl<'a> InferenceContext<'a> { TyKind::Array(coerce.complete(), len).intern(Interner) } Expr::Literal(lit) => match lit { - Literal::Bool(..) => TyKind::Scalar(Scalar::Bool).intern(Interner), + Literal::Bool(..) => self.result.standard_types.bool_.clone(), Literal::String(..) => { TyKind::Ref(Mutability::Not, static_lifetime(), TyKind::Str.intern(Interner)) .intern(Interner) @@ -1009,7 +1037,7 @@ impl<'a> InferenceContext<'a> { let lhs_ty = self.infer_expr(lhs, &lhs_expectation); let rhs_ty = self.table.new_type_var(); - let trait_func = lang_names_for_bin_op(op).and_then(|(name, lang_item)| { + let trait_func = lang_items_for_bin_op(op).and_then(|(name, lang_item)| { let trait_id = self.resolve_lang_item(lang_item)?.as_trait()?; let func = self.db.trait_data(trait_id).method_by_name(&name)?; Some((trait_id, func)) @@ -1017,11 +1045,21 @@ impl<'a> InferenceContext<'a> { let (trait_, func) = match trait_func { Some(it) => it, None => { - let rhs_ty = self.builtin_binary_op_rhs_expectation(op, lhs_ty.clone()); - let rhs_ty = self.infer_expr_coerce(rhs, &Expectation::from_option(rhs_ty)); - return self - .builtin_binary_op_return_ty(op, lhs_ty, rhs_ty) - .unwrap_or_else(|| self.err_ty()); + // HACK: `rhs_ty` is a general inference variable with no clue at all at this + // point. Passing `lhs_ty` as both operands just to check if `lhs_ty` is a builtin + // type applicable to `op`. + let ret_ty = if self.is_builtin_binop(&lhs_ty, &lhs_ty, op) { + // Assume both operands are builtin so we can continue inference. No guarantee + // on the correctness, rustc would complain as necessary lang items don't seem + // to exist anyway. + self.enforce_builtin_binop_types(&lhs_ty, &rhs_ty, op) + } else { + self.err_ty() + }; + + self.infer_expr_coerce(rhs, &Expectation::has_type(rhs_ty)); + + return ret_ty; } }; @@ -1071,11 +1109,9 @@ impl<'a> InferenceContext<'a> { let ret_ty = self.normalize_associated_types_in(ret_ty); - // use knowledge of built-in binary ops, which can sometimes help inference - if let Some(builtin_rhs) = self.builtin_binary_op_rhs_expectation(op, lhs_ty.clone()) { - self.unify(&builtin_rhs, &rhs_ty); - } - if let Some(builtin_ret) = self.builtin_binary_op_return_ty(op, lhs_ty, rhs_ty) { + if self.is_builtin_binop(&lhs_ty, &rhs_ty, op) { + // use knowledge of built-in binary ops, which can sometimes help inference + let builtin_ret = self.enforce_builtin_binop_types(&lhs_ty, &rhs_ty, op); self.unify(&builtin_ret, &ret_ty); } @@ -1111,7 +1147,7 @@ impl<'a> InferenceContext<'a> { if let Some(expr) = else_branch { self.infer_expr_coerce( *expr, - &Expectation::has_type(Ty::new(Interner, TyKind::Never)), + &Expectation::HasType(self.result.standard_types.never.clone()), ); } @@ -1136,18 +1172,16 @@ impl<'a> InferenceContext<'a> { if self.diverges.is_always() { // we don't even make an attempt at coercion self.table.new_maybe_never_var() - } else { - if let Some(t) = expected.only_has_type(&mut self.table) { - if self.coerce(Some(expr), &TyBuilder::unit(), &t).is_err() { - self.result.type_mismatches.insert( - expr.into(), - TypeMismatch { expected: t.clone(), actual: TyBuilder::unit() }, - ); - } - t - } else { - TyBuilder::unit() + } else if let Some(t) = expected.only_has_type(&mut self.table) { + if self.coerce(Some(expr), &TyBuilder::unit(), &t).is_err() { + self.result.type_mismatches.insert( + expr.into(), + TypeMismatch { expected: t.clone(), actual: TyBuilder::unit() }, + ); } + t + } else { + TyBuilder::unit() } } } @@ -1271,7 +1305,7 @@ impl<'a> InferenceContext<'a> { // that are not closures, then we type-check the closures. This is so // that we have more information about the types of arguments when we // type-check the functions. This isn't really the right way to do this. - for &check_closures in &[false, true] { + for check_closures in [false, true] { let mut skip_indices = skip_indices.into_iter().copied().fuse().peekable(); let param_iter = param_tys.iter().cloned().chain(repeat(self.err_ty())); let expected_iter = expected_inputs @@ -1314,13 +1348,13 @@ impl<'a> InferenceContext<'a> { } else { param_ty }; - if !coercion_target.is_unknown() { - if self.coerce(Some(arg), &ty, &coercion_target).is_err() { - self.result.type_mismatches.insert( - arg.into(), - TypeMismatch { expected: coercion_target, actual: ty.clone() }, - ); - } + if !coercion_target.is_unknown() + && self.coerce(Some(arg), &ty, &coercion_target).is_err() + { + self.result.type_mismatches.insert( + arg.into(), + TypeMismatch { expected: coercion_target, actual: ty.clone() }, + ); } } } @@ -1479,92 +1513,124 @@ impl<'a> InferenceContext<'a> { indices } - fn builtin_binary_op_return_ty(&mut self, op: BinaryOp, lhs_ty: Ty, rhs_ty: Ty) -> Option<Ty> { - let lhs_ty = self.resolve_ty_shallow(&lhs_ty); - let rhs_ty = self.resolve_ty_shallow(&rhs_ty); - match op { - BinaryOp::LogicOp(_) | BinaryOp::CmpOp(_) => { - Some(TyKind::Scalar(Scalar::Bool).intern(Interner)) + /// Dereferences a single level of immutable referencing. + fn deref_ty_if_possible(&mut self, ty: &Ty) -> Ty { + let ty = self.resolve_ty_shallow(ty); + match ty.kind(Interner) { + TyKind::Ref(Mutability::Not, _, inner) => self.resolve_ty_shallow(inner), + _ => ty, + } + } + + /// Enforces expectations on lhs type and rhs type depending on the operator and returns the + /// output type of the binary op. + fn enforce_builtin_binop_types(&mut self, lhs: &Ty, rhs: &Ty, op: BinaryOp) -> Ty { + // Special-case a single layer of referencing, so that things like `5.0 + &6.0f32` work (See rust-lang/rust#57447). + let lhs = self.deref_ty_if_possible(lhs); + let rhs = self.deref_ty_if_possible(rhs); + + let (op, is_assign) = match op { + BinaryOp::Assignment { op: Some(inner) } => (BinaryOp::ArithOp(inner), true), + _ => (op, false), + }; + + let output_ty = match op { + BinaryOp::LogicOp(_) => { + let bool_ = self.result.standard_types.bool_.clone(); + self.unify(&lhs, &bool_); + self.unify(&rhs, &bool_); + bool_ } - BinaryOp::Assignment { .. } => Some(TyBuilder::unit()), + BinaryOp::ArithOp(ArithOp::Shl | ArithOp::Shr) => { - // all integer combinations are valid here - if matches!( - lhs_ty.kind(Interner), - TyKind::Scalar(Scalar::Int(_) | Scalar::Uint(_)) - | TyKind::InferenceVar(_, TyVariableKind::Integer) - ) && matches!( - rhs_ty.kind(Interner), - TyKind::Scalar(Scalar::Int(_) | Scalar::Uint(_)) - | TyKind::InferenceVar(_, TyVariableKind::Integer) - ) { - Some(lhs_ty) - } else { - None - } + // result type is same as LHS always + lhs } - BinaryOp::ArithOp(_) => match (lhs_ty.kind(Interner), rhs_ty.kind(Interner)) { - // (int, int) | (uint, uint) | (float, float) - (TyKind::Scalar(Scalar::Int(_)), TyKind::Scalar(Scalar::Int(_))) - | (TyKind::Scalar(Scalar::Uint(_)), TyKind::Scalar(Scalar::Uint(_))) - | (TyKind::Scalar(Scalar::Float(_)), TyKind::Scalar(Scalar::Float(_))) => { - Some(rhs_ty) - } - // ({int}, int) | ({int}, uint) - ( - TyKind::InferenceVar(_, TyVariableKind::Integer), - TyKind::Scalar(Scalar::Int(_) | Scalar::Uint(_)), - ) => Some(rhs_ty), - // (int, {int}) | (uint, {int}) - ( - TyKind::Scalar(Scalar::Int(_) | Scalar::Uint(_)), - TyKind::InferenceVar(_, TyVariableKind::Integer), - ) => Some(lhs_ty), - // ({float} | float) - ( - TyKind::InferenceVar(_, TyVariableKind::Float), - TyKind::Scalar(Scalar::Float(_)), - ) => Some(rhs_ty), - // (float, {float}) - ( - TyKind::Scalar(Scalar::Float(_)), - TyKind::InferenceVar(_, TyVariableKind::Float), - ) => Some(lhs_ty), - // ({int}, {int}) | ({float}, {float}) - ( - TyKind::InferenceVar(_, TyVariableKind::Integer), - TyKind::InferenceVar(_, TyVariableKind::Integer), - ) - | ( - TyKind::InferenceVar(_, TyVariableKind::Float), - TyKind::InferenceVar(_, TyVariableKind::Float), - ) => Some(rhs_ty), - _ => None, - }, + + BinaryOp::ArithOp(_) => { + // LHS, RHS, and result will have the same type + self.unify(&lhs, &rhs); + lhs + } + + BinaryOp::CmpOp(_) => { + // LHS and RHS will have the same type + self.unify(&lhs, &rhs); + self.result.standard_types.bool_.clone() + } + + BinaryOp::Assignment { op: None } => { + stdx::never!("Simple assignment operator is not binary op."); + lhs + } + + BinaryOp::Assignment { .. } => unreachable!("handled above"), + }; + + if is_assign { + self.result.standard_types.unit.clone() + } else { + output_ty } } - fn builtin_binary_op_rhs_expectation(&mut self, op: BinaryOp, lhs_ty: Ty) -> Option<Ty> { - Some(match op { - BinaryOp::LogicOp(..) => TyKind::Scalar(Scalar::Bool).intern(Interner), - BinaryOp::Assignment { op: None } => lhs_ty, - BinaryOp::CmpOp(CmpOp::Eq { .. }) => match self - .resolve_ty_shallow(&lhs_ty) - .kind(Interner) - { - TyKind::Scalar(_) | TyKind::Str => lhs_ty, - TyKind::InferenceVar(_, TyVariableKind::Integer | TyVariableKind::Float) => lhs_ty, - _ => return None, - }, - BinaryOp::ArithOp(ArithOp::Shl | ArithOp::Shr) => return None, - BinaryOp::CmpOp(CmpOp::Ord { .. }) - | BinaryOp::Assignment { op: Some(_) } - | BinaryOp::ArithOp(_) => match self.resolve_ty_shallow(&lhs_ty).kind(Interner) { - TyKind::Scalar(Scalar::Int(_) | Scalar::Uint(_) | Scalar::Float(_)) => lhs_ty, - TyKind::InferenceVar(_, TyVariableKind::Integer | TyVariableKind::Float) => lhs_ty, - _ => return None, - }, - }) + fn is_builtin_binop(&mut self, lhs: &Ty, rhs: &Ty, op: BinaryOp) -> bool { + // Special-case a single layer of referencing, so that things like `5.0 + &6.0f32` work (See rust-lang/rust#57447). + let lhs = self.deref_ty_if_possible(lhs); + let rhs = self.deref_ty_if_possible(rhs); + + let op = match op { + BinaryOp::Assignment { op: Some(inner) } => BinaryOp::ArithOp(inner), + _ => op, + }; + + match op { + BinaryOp::LogicOp(_) => true, + + BinaryOp::ArithOp(ArithOp::Shl | ArithOp::Shr) => { + lhs.is_integral() && rhs.is_integral() + } + + BinaryOp::ArithOp( + ArithOp::Add | ArithOp::Sub | ArithOp::Mul | ArithOp::Div | ArithOp::Rem, + ) => { + lhs.is_integral() && rhs.is_integral() + || lhs.is_floating_point() && rhs.is_floating_point() + } + + BinaryOp::ArithOp(ArithOp::BitAnd | ArithOp::BitOr | ArithOp::BitXor) => { + lhs.is_integral() && rhs.is_integral() + || lhs.is_floating_point() && rhs.is_floating_point() + || matches!( + (lhs.kind(Interner), rhs.kind(Interner)), + (TyKind::Scalar(Scalar::Bool), TyKind::Scalar(Scalar::Bool)) + ) + } + + BinaryOp::CmpOp(_) => { + let is_scalar = |kind| { + matches!( + kind, + &TyKind::Scalar(_) + | TyKind::FnDef(..) + | TyKind::Function(_) + | TyKind::Raw(..) + | TyKind::InferenceVar( + _, + TyVariableKind::Integer | TyVariableKind::Float + ) + ) + }; + is_scalar(lhs.kind(Interner)) && is_scalar(rhs.kind(Interner)) + } + + BinaryOp::Assignment { op: None } => { + stdx::never!("Simple assignment operator is not binary op."); + false + } + + BinaryOp::Assignment { .. } => unreachable!("handled above"), + } } fn with_breakable_ctx<T>( diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/path.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/path.rs index 8bd17c0f39f..0a8527afbd0 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/path.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/path.rs @@ -112,7 +112,7 @@ impl<'a> InferenceContext<'a> { let ty = TyBuilder::value_ty(self.db, typable, parent_substs) .fill(|x| { it.next().unwrap_or_else(|| match x { - ParamKind::Type => TyKind::Error.intern(Interner).cast(Interner), + ParamKind::Type => self.result.standard_types.unknown.clone().cast(Interner), ParamKind::Const(ty) => consteval::unknown_const_as_generic(ty.clone()), }) }) diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/infer/unify.rs b/src/tools/rust-analyzer/crates/hir-ty/src/infer/unify.rs index e7ddd1591fe..46ed3533c8c 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/infer/unify.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/infer/unify.rs @@ -8,6 +8,7 @@ use chalk_ir::{ }; use chalk_solve::infer::ParameterEnaVariableExt; use ena::unify::UnifyKey; +use hir_def::{FunctionId, TraitId}; use hir_expand::name; use stdx::never; @@ -626,18 +627,26 @@ impl<'a> InferenceTable<'a> { } } - pub(crate) fn callable_sig(&mut self, ty: &Ty, num_args: usize) -> Option<(Vec<Ty>, Ty)> { + pub(crate) fn callable_sig( + &mut self, + ty: &Ty, + num_args: usize, + ) -> Option<(Option<(TraitId, FunctionId)>, Vec<Ty>, Ty)> { match ty.callable_sig(self.db) { - Some(sig) => Some((sig.params().to_vec(), sig.ret().clone())), + Some(sig) => Some((None, sig.params().to_vec(), sig.ret().clone())), None => self.callable_sig_from_fn_trait(ty, num_args), } } - fn callable_sig_from_fn_trait(&mut self, ty: &Ty, num_args: usize) -> Option<(Vec<Ty>, Ty)> { + fn callable_sig_from_fn_trait( + &mut self, + ty: &Ty, + num_args: usize, + ) -> Option<(Option<(TraitId, FunctionId)>, Vec<Ty>, Ty)> { let krate = self.trait_env.krate; let fn_once_trait = FnTrait::FnOnce.get_id(self.db, krate)?; - let output_assoc_type = - self.db.trait_data(fn_once_trait).associated_type_by_name(&name![Output])?; + let trait_data = self.db.trait_data(fn_once_trait); + let output_assoc_type = trait_data.associated_type_by_name(&name![Output])?; let mut arg_tys = vec![]; let arg_ty = TyBuilder::tuple(num_args) @@ -675,7 +684,11 @@ impl<'a> InferenceTable<'a> { if self.db.trait_solve(krate, canonical.value.cast(Interner)).is_some() { self.register_obligation(obligation.goal); let return_ty = self.normalize_projection_ty(projection); - Some((arg_tys, return_ty)) + Some(( + Some(fn_once_trait).zip(trait_data.method_by_name(&name!(call_once))), + arg_tys, + return_ty, + )) } else { None } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/interner.rs b/src/tools/rust-analyzer/crates/hir-ty/src/interner.rs index 441503a300e..7bf73560cbe 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/interner.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/interner.rs @@ -4,11 +4,8 @@ use crate::{chalk_db, tls, GenericArg}; use base_db::salsa::InternId; use chalk_ir::{Goal, GoalData}; -use hir_def::{ - intern::{impl_internable, InternStorage, Internable, Interned}, - type_ref::ConstScalar, - TypeAliasId, -}; +use hir_def::{type_ref::ConstScalar, TypeAliasId}; +use intern::{impl_internable, Interned}; use smallvec::SmallVec; use std::{fmt, sync::Arc}; diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/lang_items.rs b/src/tools/rust-analyzer/crates/hir-ty/src/lang_items.rs index afc54e729f9..5308c72161b 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/lang_items.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/lang_items.rs @@ -1,20 +1,19 @@ //! Functions to detect special lang items -use hir_def::{AdtId, HasModule}; -use hir_expand::name; +use hir_def::{lang_item::LangItem, AdtId, HasModule}; use crate::db::HirDatabase; pub fn is_box(adt: AdtId, db: &dyn HirDatabase) -> bool { - let owned_box = name![owned_box].to_smol_str(); let krate = adt.module(db.upcast()).krate(); - let box_adt = db.lang_item(krate, owned_box).and_then(|it| it.as_struct()).map(AdtId::from); + let box_adt = + db.lang_item(krate, LangItem::OwnedBox).and_then(|it| it.as_struct()).map(AdtId::from); Some(adt) == box_adt } pub fn is_unsafe_cell(adt: AdtId, db: &dyn HirDatabase) -> bool { - let owned_box = name![unsafe_cell].to_smol_str(); let krate = adt.module(db.upcast()).krate(); - let box_adt = db.lang_item(krate, owned_box).and_then(|it| it.as_struct()).map(AdtId::from); + let box_adt = + db.lang_item(krate, LangItem::UnsafeCell).and_then(|it| it.as_struct()).map(AdtId::from); Some(adt) == box_adt } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/layout.rs b/src/tools/rust-analyzer/crates/hir-ty/src/layout.rs index 7a1cca3143e..c82c274524a 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/layout.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/layout.rs @@ -1,7 +1,5 @@ //! Compute the binary representation of a type -use std::sync::Arc; - use base_db::CrateId; use chalk_ir::{AdtId, TyKind}; use hir_def::{ @@ -31,19 +29,19 @@ mod adt; mod target; struct LayoutCx<'a> { - db: &'a dyn HirDatabase, krate: CrateId, + target: &'a TargetDataLayout, } -impl LayoutCalculator for LayoutCx<'_> { - type TargetDataLayoutRef = Arc<TargetDataLayout>; +impl<'a> LayoutCalculator for LayoutCx<'a> { + type TargetDataLayoutRef = &'a TargetDataLayout; fn delay_bug(&self, txt: &str) { never!("{}", txt); } - fn current_data_layout(&self) -> Arc<TargetDataLayout> { - self.db.target_data_layout(self.krate) + fn current_data_layout(&self) -> &'a TargetDataLayout { + self.target } } @@ -56,7 +54,8 @@ fn scalar(dl: &TargetDataLayout, value: Primitive) -> Layout { } pub fn layout_of_ty(db: &dyn HirDatabase, ty: &Ty, krate: CrateId) -> Result<Layout, LayoutError> { - let cx = LayoutCx { db, krate }; + let Some(target) = db.target_data_layout(krate) else { return Err(LayoutError::TargetLayoutNotAvailable) }; + let cx = LayoutCx { krate, target: &target }; let dl = &*cx.current_data_layout(); Ok(match ty.kind(Interner) { TyKind::Adt(AdtId(def), subst) => db.layout_of_adt(*def, subst.clone())?, @@ -226,10 +225,21 @@ pub fn layout_of_ty(db: &dyn HirDatabase, ty: &Ty, krate: CrateId) -> Result<Lay ptr.valid_range_mut().start = 1; Layout::scalar(dl, ptr) } - TyKind::Closure(_, _) - | TyKind::OpaqueType(_, _) - | TyKind::Generator(_, _) - | TyKind::GeneratorWitness(_, _) => return Err(LayoutError::NotImplemented), + TyKind::OpaqueType(opaque_ty_id, _) => { + let impl_trait_id = db.lookup_intern_impl_trait_id((*opaque_ty_id).into()); + match impl_trait_id { + crate::ImplTraitId::ReturnTypeImplTrait(func, idx) => { + let infer = db.infer(func.into()); + layout_of_ty(db, &infer.type_of_rpit[idx], krate)? + } + crate::ImplTraitId::AsyncBlockTypeImplTrait(_, _) => { + return Err(LayoutError::NotImplemented) + } + } + } + TyKind::Closure(_, _) | TyKind::Generator(_, _) | TyKind::GeneratorWitness(_, _) => { + return Err(LayoutError::NotImplemented) + } TyKind::AssociatedType(_, _) | TyKind::Error | TyKind::Alias(_) @@ -251,17 +261,14 @@ fn layout_of_unit(cx: &LayoutCx<'_>, dl: &TargetDataLayout) -> Result<Layout, La fn struct_tail_erasing_lifetimes(db: &dyn HirDatabase, pointee: Ty) -> Ty { match pointee.kind(Interner) { - TyKind::Adt(AdtId(adt), subst) => match adt { - &hir_def::AdtId::StructId(i) => { - let data = db.struct_data(i); - let mut it = data.variant_data.fields().iter().rev(); - match it.next() { - Some((f, _)) => field_ty(db, i.into(), f, subst), - None => pointee, - } + TyKind::Adt(AdtId(hir_def::AdtId::StructId(i)), subst) => { + let data = db.struct_data(*i); + let mut it = data.variant_data.fields().iter().rev(); + match it.next() { + Some((f, _)) => field_ty(db, (*i).into(), f, subst), + None => pointee, } - _ => pointee, - }, + } _ => pointee, } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/layout/adt.rs b/src/tools/rust-analyzer/crates/hir-ty/src/layout/adt.rs index 23166a5a522..cb7968c1446 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/layout/adt.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/layout/adt.rs @@ -23,7 +23,9 @@ pub fn layout_of_adt_query( def: AdtId, subst: Substitution, ) -> Result<Layout, LayoutError> { - let cx = LayoutCx { db, krate: def.module(db.upcast()).krate() }; + let krate = def.module(db.upcast()).krate(); + let Some(target) = db.target_data_layout(krate) else { return Err(LayoutError::TargetLayoutNotAvailable) }; + let cx = LayoutCx { krate, target: &target }; let dl = cx.current_data_layout(); let handle_variant = |def: VariantId, var: &VariantData| { var.fields() diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs b/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs index 37b831652f5..adfae0a1abb 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/layout/target.rs @@ -3,34 +3,22 @@ use std::sync::Arc; use base_db::CrateId; -use hir_def::layout::{Endian, Size, TargetDataLayout}; +use hir_def::layout::TargetDataLayout; use crate::db::HirDatabase; -pub fn target_data_layout_query(db: &dyn HirDatabase, krate: CrateId) -> Arc<TargetDataLayout> { +pub fn target_data_layout_query( + db: &dyn HirDatabase, + krate: CrateId, +) -> Option<Arc<TargetDataLayout>> { let crate_graph = db.crate_graph(); - let target_layout = &crate_graph[krate].target_layout; - let cfg_options = &crate_graph[krate].cfg_options; - Arc::new( - target_layout - .as_ref() - .and_then(|it| TargetDataLayout::parse_from_llvm_datalayout_string(it).ok()) - .unwrap_or_else(|| { - let endian = match cfg_options.get_cfg_values("target_endian").next() { - Some(x) if x.as_str() == "big" => Endian::Big, - _ => Endian::Little, - }; - let pointer_size = Size::from_bytes( - match cfg_options.get_cfg_values("target_pointer_width").next() { - Some(x) => match x.as_str() { - "16" => 2, - "32" => 4, - _ => 8, - }, - _ => 8, - }, - ); - TargetDataLayout { endian, pointer_size, ..TargetDataLayout::default() } - }), - ) + let target_layout = crate_graph[krate].target_layout.as_ref().ok()?; + let res = TargetDataLayout::parse_from_llvm_datalayout_string(&target_layout); + if let Err(_e) = &res { + // FIXME: Print the error here once it implements debug/display + // also logging here is somewhat wrong, but unfortunately this is the earliest place we can + // parse that doesn't impose a dependency to the rust-abi crate for project-model + tracing::error!("Failed to parse target data layout for {krate:?}"); + } + res.ok().map(Arc::new) } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs b/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs index 53838cf41d2..067bdc960da 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/layout/tests.rs @@ -1,3 +1,5 @@ +use std::collections::HashMap; + use base_db::fixture::WithFixture; use chalk_ir::{AdtId, TyKind}; use hir_def::{ @@ -5,20 +7,16 @@ use hir_def::{ layout::{Layout, LayoutError}, }; -use crate::{test_db::TestDB, Interner, Substitution}; +use crate::{db::HirDatabase, test_db::TestDB, Interner, Substitution}; use super::layout_of_ty; -fn eval_goal(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> { - // using unstable cargo features failed, fall back to using plain rustc - let mut cmd = std::process::Command::new("rustc"); - cmd.args(["-Z", "unstable-options", "--print", "target-spec-json"]).env("RUSTC_BOOTSTRAP", "1"); - let output = cmd.output().unwrap(); - assert!(output.status.success(), "{}", output.status); - let stdout = String::from_utf8(output.stdout).unwrap(); - let target_data_layout = - stdout.split_once(r#""data-layout": ""#).unwrap().1.split_once('"').unwrap().0.to_owned(); +fn current_machine_data_layout() -> String { + project_model::target_data_layout::get(None, None, &HashMap::default()).unwrap() +} +fn eval_goal(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> { + let target_data_layout = current_machine_data_layout(); let ra_fixture = format!( "{minicore}//- /main.rs crate:test target_data_layout:{target_data_layout}\n{ra_fixture}", ); @@ -45,6 +43,42 @@ fn eval_goal(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> { layout_of_ty(&db, &goal_ty, module_id.krate()) } +/// A version of `eval_goal` for types that can not be expressed in ADTs, like closures and `impl Trait` +fn eval_expr(ra_fixture: &str, minicore: &str) -> Result<Layout, LayoutError> { + let target_data_layout = current_machine_data_layout(); + let ra_fixture = format!( + "{minicore}//- /main.rs crate:test target_data_layout:{target_data_layout}\nfn main(){{let goal = {{{ra_fixture}}};}}", + ); + + let (db, file_id) = TestDB::with_single_file(&ra_fixture); + let module_id = db.module_for_file(file_id); + let def_map = module_id.def_map(&db); + let scope = &def_map[module_id.local_id].scope; + let adt_id = scope + .declarations() + .find_map(|x| match x { + hir_def::ModuleDefId::FunctionId(x) => { + let name = db.function_data(x).name.to_smol_str(); + (name == "main").then_some(x) + } + _ => None, + }) + .unwrap(); + let hir_body = db.body(adt_id.into()); + let pat = hir_body + .pats + .iter() + .find(|x| match x.1 { + hir_def::expr::Pat::Bind { name, .. } => name.to_smol_str() == "goal", + _ => false, + }) + .unwrap() + .0; + let infer = db.infer(adt_id.into()); + let goal_ty = infer.type_of_pat[pat].clone(); + layout_of_ty(&db, &goal_ty, module_id.krate()) +} + #[track_caller] fn check_size_and_align(ra_fixture: &str, minicore: &str, size: u64, align: u64) { let l = eval_goal(ra_fixture, minicore).unwrap(); @@ -53,6 +87,13 @@ fn check_size_and_align(ra_fixture: &str, minicore: &str, size: u64, align: u64) } #[track_caller] +fn check_size_and_align_expr(ra_fixture: &str, minicore: &str, size: u64, align: u64) { + let l = eval_expr(ra_fixture, minicore).unwrap(); + assert_eq!(l.size.bytes(), size); + assert_eq!(l.align.abi.bytes(), align); +} + +#[track_caller] fn check_fail(ra_fixture: &str, e: LayoutError) { let r = eval_goal(ra_fixture, ""); assert_eq!(r, Err(e)); @@ -85,11 +126,31 @@ macro_rules! size_and_align { }; } +macro_rules! size_and_align_expr { + ($($t:tt)*) => { + { + #[allow(dead_code)] + { + let val = { $($t)* }; + check_size_and_align_expr( + stringify!($($t)*), + "", + ::std::mem::size_of_val(&val) as u64, + ::std::mem::align_of_val(&val) as u64, + ); + } + } + }; +} + #[test] fn hello_world() { size_and_align! { struct Goal(i32); } + size_and_align_expr! { + 2i32 + } } #[test] @@ -144,6 +205,40 @@ fn generic() { } #[test] +fn return_position_impl_trait() { + size_and_align_expr! { + trait T {} + impl T for i32 {} + impl T for i64 {} + fn foo() -> impl T { 2i64 } + foo() + } + size_and_align_expr! { + trait T {} + impl T for i32 {} + impl T for i64 {} + fn foo() -> (impl T, impl T, impl T) { (2i64, 5i32, 7i32) } + foo() + } + size_and_align_expr! { + struct Foo<T>(T, T, (T, T)); + trait T {} + impl T for Foo<i32> {} + impl T for Foo<i64> {} + + fn foo() -> Foo<impl T> { Foo( + Foo(1i64, 2, (3, 4)), + Foo(5, 6, (7, 8)), + ( + Foo(1i64, 2, (3, 4)), + Foo(5, 6, (7, 8)), + ), + ) } + foo() + } +} + +#[test] fn enums() { size_and_align! { enum Goal { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/lib.rs b/src/tools/rust-analyzer/crates/hir-ty/src/lib.rs index cbe6873c7d5..59a5ef8c14d 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/lib.rs @@ -20,7 +20,6 @@ mod lower; mod mapping; mod tls; mod utils; -mod walk; pub mod db; pub mod diagnostics; pub mod display; @@ -40,11 +39,14 @@ use std::sync::Arc; use chalk_ir::{ fold::{Shift, TypeFoldable}, interner::HasInterner, - NoSolution, + visit::{TypeSuperVisitable, TypeVisitable, TypeVisitor}, + NoSolution, TyData, }; use hir_def::{expr::ExprId, type_ref::Rawness, TypeOrConstParamId}; use hir_expand::name; use itertools::Either; +use la_arena::{Arena, Idx}; +use rustc_hash::FxHashSet; use traits::FnTrait; use utils::Generics; @@ -71,7 +73,6 @@ pub use mapping::{ }; pub use traits::TraitEnvironment; pub use utils::{all_super_traits, is_fn_unsafe_to_call}; -pub use walk::TypeWalk; pub use chalk_ir::{ cast::Cast, AdtId, BoundVar, DebruijnIndex, Mutability, Safety, Scalar, TyVariableKind, @@ -107,6 +108,7 @@ pub type GenericArgData = chalk_ir::GenericArgData<Interner>; pub type Ty = chalk_ir::Ty<Interner>; pub type TyKind = chalk_ir::TyKind<Interner>; +pub type TypeFlags = chalk_ir::TypeFlags; pub type DynTy = chalk_ir::DynTy<Interner>; pub type FnPointer = chalk_ir::FnPointer<Interner>; // pub type FnSubst = chalk_ir::FnSubst<Interner>; @@ -289,22 +291,24 @@ impl TypeFoldable<Interner> for CallableSig { #[derive(Copy, Clone, PartialEq, Eq, Debug, Hash)] pub enum ImplTraitId { - ReturnTypeImplTrait(hir_def::FunctionId, u16), + ReturnTypeImplTrait(hir_def::FunctionId, RpitId), AsyncBlockTypeImplTrait(hir_def::DefWithBodyId, ExprId), } #[derive(Clone, PartialEq, Eq, Debug, Hash)] pub struct ReturnTypeImplTraits { - pub(crate) impl_traits: Vec<ReturnTypeImplTrait>, + pub(crate) impl_traits: Arena<ReturnTypeImplTrait>, } has_interner!(ReturnTypeImplTraits); #[derive(Clone, PartialEq, Eq, Debug, Hash)] -pub(crate) struct ReturnTypeImplTrait { +pub struct ReturnTypeImplTrait { pub(crate) bounds: Binders<Vec<QuantifiedWhereClause>>, } +pub type RpitId = Idx<ReturnTypeImplTrait>; + pub fn static_lifetime() -> Lifetime { LifetimeData::Static.intern(Interner) } @@ -563,3 +567,68 @@ pub fn callable_sig_from_fnonce( Some(CallableSig::from_params_and_return(params, ret_ty, false, Safety::Safe)) } + +struct PlaceholderCollector<'db> { + db: &'db dyn HirDatabase, + placeholders: FxHashSet<TypeOrConstParamId>, +} + +impl PlaceholderCollector<'_> { + fn collect(&mut self, idx: PlaceholderIndex) { + let id = from_placeholder_idx(self.db, idx); + self.placeholders.insert(id); + } +} + +impl TypeVisitor<Interner> for PlaceholderCollector<'_> { + type BreakTy = (); + + fn as_dyn(&mut self) -> &mut dyn TypeVisitor<Interner, BreakTy = Self::BreakTy> { + self + } + + fn interner(&self) -> Interner { + Interner + } + + fn visit_ty( + &mut self, + ty: &Ty, + outer_binder: DebruijnIndex, + ) -> std::ops::ControlFlow<Self::BreakTy> { + let has_placeholder_bits = TypeFlags::HAS_TY_PLACEHOLDER | TypeFlags::HAS_CT_PLACEHOLDER; + let TyData { kind, flags } = ty.data(Interner); + + if let TyKind::Placeholder(idx) = kind { + self.collect(*idx); + } else if flags.intersects(has_placeholder_bits) { + return ty.super_visit_with(self, outer_binder); + } else { + // Fast path: don't visit inner types (e.g. generic arguments) when `flags` indicate + // that there are no placeholders. + } + + std::ops::ControlFlow::Continue(()) + } + + fn visit_const( + &mut self, + constant: &chalk_ir::Const<Interner>, + _outer_binder: DebruijnIndex, + ) -> std::ops::ControlFlow<Self::BreakTy> { + if let chalk_ir::ConstValue::Placeholder(idx) = constant.data(Interner).value { + self.collect(idx); + } + std::ops::ControlFlow::Continue(()) + } +} + +/// Returns unique placeholders for types and consts contained in `value`. +pub fn collect_placeholders<T>(value: &T, db: &dyn HirDatabase) -> Vec<TypeOrConstParamId> +where + T: ?Sized + TypeVisitable<Interner>, +{ + let mut collector = PlaceholderCollector { db, placeholders: FxHashSet::default() }; + value.visit_with(&mut collector, DebruijnIndex::INNERMOST); + collector.placeholders.into_iter().collect() +} diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs b/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs index 592410008a6..7cce13a793e 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/lower.rs @@ -23,24 +23,24 @@ use hir_def::{ generics::{ TypeOrConstParamData, TypeParamProvenance, WherePredicate, WherePredicateTypeTarget, }, - intern::Interned, - lang_item::lang_attr, + lang_item::{lang_attr, LangItem}, path::{GenericArg, ModPath, Path, PathKind, PathSegment, PathSegments}, resolver::{HasResolver, Resolver, TypeNs}, type_ref::{ ConstScalarOrPath, TraitBoundModifier, TraitRef as HirTraitRef, TypeBound, TypeRef, }, AdtId, AssocItemId, ConstId, ConstParamId, EnumId, EnumVariantId, FunctionId, GenericDefId, - HasModule, ImplId, ItemContainerId, LocalFieldId, Lookup, StaticId, StructId, TraitId, - TypeAliasId, TypeOrConstParamId, TypeParamId, UnionId, VariantId, + HasModule, ImplId, ItemContainerId, LocalFieldId, Lookup, ModuleDefId, StaticId, StructId, + TraitId, TypeAliasId, TypeOrConstParamId, TypeParamId, UnionId, VariantId, }; use hir_expand::{name::Name, ExpandResult}; +use intern::Interned; use itertools::Either; -use la_arena::ArenaMap; +use la_arena::{Arena, ArenaMap}; use rustc_hash::FxHashSet; use smallvec::SmallVec; use stdx::{impl_from, never}; -use syntax::{ast, SmolStr}; +use syntax::ast; use crate::{ all_super_traits, @@ -58,6 +58,51 @@ use crate::{ }; #[derive(Debug)] +enum ImplTraitLoweringState { + /// When turning `impl Trait` into opaque types, we have to collect the + /// bounds at the same time to get the IDs correct (without becoming too + /// complicated). I don't like using interior mutability (as for the + /// counter), but I've tried and failed to make the lifetimes work for + /// passing around a `&mut TyLoweringContext`. The core problem is that + /// we're grouping the mutable data (the counter and this field) together + /// with the immutable context (the references to the DB and resolver). + /// Splitting this up would be a possible fix. + Opaque(RefCell<Arena<ReturnTypeImplTrait>>), + Param(Cell<u16>), + Variable(Cell<u16>), + Disallowed, +} +impl ImplTraitLoweringState { + fn new(impl_trait_mode: ImplTraitLoweringMode) -> ImplTraitLoweringState { + match impl_trait_mode { + ImplTraitLoweringMode::Opaque => Self::Opaque(RefCell::new(Arena::new())), + ImplTraitLoweringMode::Param => Self::Param(Cell::new(0)), + ImplTraitLoweringMode::Variable => Self::Variable(Cell::new(0)), + ImplTraitLoweringMode::Disallowed => Self::Disallowed, + } + } + + fn take(&self) -> Self { + match self { + Self::Opaque(x) => Self::Opaque(RefCell::new(x.take())), + Self::Param(x) => Self::Param(Cell::new(x.get())), + Self::Variable(x) => Self::Variable(Cell::new(x.get())), + Self::Disallowed => Self::Disallowed, + } + } + + fn swap(&self, impl_trait_mode: &Self) { + match (self, impl_trait_mode) { + (Self::Opaque(x), Self::Opaque(y)) => x.swap(y), + (Self::Param(x), Self::Param(y)) => x.swap(y), + (Self::Variable(x), Self::Variable(y)) => x.swap(y), + (Self::Disallowed, Self::Disallowed) => (), + _ => panic!("mismatched lowering mode"), + } + } +} + +#[derive(Debug)] pub struct TyLoweringContext<'a> { pub db: &'a dyn HirDatabase, pub resolver: &'a Resolver, @@ -67,17 +112,7 @@ pub struct TyLoweringContext<'a> { /// should be converted to variables. I think in practice, this isn't /// possible currently, so this should be fine for now. pub type_param_mode: ParamLoweringMode, - pub impl_trait_mode: ImplTraitLoweringMode, - impl_trait_counter: Cell<u16>, - /// When turning `impl Trait` into opaque types, we have to collect the - /// bounds at the same time to get the IDs correct (without becoming too - /// complicated). I don't like using interior mutability (as for the - /// counter), but I've tried and failed to make the lifetimes work for - /// passing around a `&mut TyLoweringContext`. The core problem is that - /// we're grouping the mutable data (the counter and this field) together - /// with the immutable context (the references to the DB and resolver). - /// Splitting this up would be a possible fix. - opaque_type_data: RefCell<Vec<ReturnTypeImplTrait>>, + impl_trait_mode: ImplTraitLoweringState, expander: RefCell<Option<Expander>>, /// Tracks types with explicit `?Sized` bounds. pub(crate) unsized_types: RefCell<FxHashSet<Ty>>, @@ -85,19 +120,15 @@ pub struct TyLoweringContext<'a> { impl<'a> TyLoweringContext<'a> { pub fn new(db: &'a dyn HirDatabase, resolver: &'a Resolver) -> Self { - let impl_trait_counter = Cell::new(0); - let impl_trait_mode = ImplTraitLoweringMode::Disallowed; + let impl_trait_mode = ImplTraitLoweringState::Disallowed; let type_param_mode = ParamLoweringMode::Placeholder; let in_binders = DebruijnIndex::INNERMOST; - let opaque_type_data = RefCell::new(Vec::new()); Self { db, resolver, in_binders, impl_trait_mode, - impl_trait_counter, type_param_mode, - opaque_type_data, expander: RefCell::new(None), unsized_types: RefCell::default(), } @@ -108,20 +139,18 @@ impl<'a> TyLoweringContext<'a> { debruijn: DebruijnIndex, f: impl FnOnce(&TyLoweringContext<'_>) -> T, ) -> T { - let opaque_ty_data_vec = self.opaque_type_data.take(); + let impl_trait_mode = self.impl_trait_mode.take(); let expander = self.expander.take(); let unsized_types = self.unsized_types.take(); let new_ctx = Self { in_binders: debruijn, - impl_trait_counter: Cell::new(self.impl_trait_counter.get()), - opaque_type_data: RefCell::new(opaque_ty_data_vec), + impl_trait_mode, expander: RefCell::new(expander), unsized_types: RefCell::new(unsized_types), ..*self }; let result = f(&new_ctx); - self.impl_trait_counter.set(new_ctx.impl_trait_counter.get()); - self.opaque_type_data.replace(new_ctx.opaque_type_data.into_inner()); + self.impl_trait_mode.swap(&new_ctx.impl_trait_mode); self.expander.replace(new_ctx.expander.into_inner()); self.unsized_types.replace(new_ctx.unsized_types.into_inner()); result @@ -136,7 +165,7 @@ impl<'a> TyLoweringContext<'a> { } pub fn with_impl_trait_mode(self, impl_trait_mode: ImplTraitLoweringMode) -> Self { - Self { impl_trait_mode, ..self } + Self { impl_trait_mode: ImplTraitLoweringState::new(impl_trait_mode), ..self } } pub fn with_type_param_mode(self, type_param_mode: ParamLoweringMode) -> Self { @@ -244,20 +273,17 @@ impl<'a> TyLoweringContext<'a> { } TypeRef::DynTrait(bounds) => self.lower_dyn_trait(bounds), TypeRef::ImplTrait(bounds) => { - match self.impl_trait_mode { - ImplTraitLoweringMode::Opaque => { - let idx = self.impl_trait_counter.get(); - self.impl_trait_counter.set(idx + 1); + match &self.impl_trait_mode { + ImplTraitLoweringState::Opaque(opaque_type_data) => { let func = match self.resolver.generic_def() { Some(GenericDefId::FunctionId(f)) => f, _ => panic!("opaque impl trait lowering in non-function"), }; - assert!(idx as usize == self.opaque_type_data.borrow().len()); // this dance is to make sure the data is in the right // place even if we encounter more opaque types while // lowering the bounds - self.opaque_type_data.borrow_mut().push(ReturnTypeImplTrait { + let idx = opaque_type_data.borrow_mut().alloc(ReturnTypeImplTrait { bounds: crate::make_single_type_binders(Vec::new()), }); // We don't want to lower the bounds inside the binders @@ -273,7 +299,7 @@ impl<'a> TyLoweringContext<'a> { .with_debruijn(DebruijnIndex::INNERMOST, |ctx| { ctx.lower_impl_trait(bounds, func) }); - self.opaque_type_data.borrow_mut()[idx as usize] = actual_opaque_type_data; + opaque_type_data.borrow_mut()[idx] = actual_opaque_type_data; let impl_trait_id = ImplTraitId::ReturnTypeImplTrait(func, idx); let opaque_ty_id = self.db.intern_impl_trait_id(impl_trait_id).into(); @@ -281,10 +307,10 @@ impl<'a> TyLoweringContext<'a> { let parameters = generics.bound_vars_subst(self.db, self.in_binders); TyKind::OpaqueType(opaque_ty_id, parameters).intern(Interner) } - ImplTraitLoweringMode::Param => { - let idx = self.impl_trait_counter.get(); + ImplTraitLoweringState::Param(counter) => { + let idx = counter.get(); // FIXME we're probably doing something wrong here - self.impl_trait_counter.set(idx + count_impl_traits(type_ref) as u16); + counter.set(idx + count_impl_traits(type_ref) as u16); if let Some(def) = self.resolver.generic_def() { let generics = generics(self.db.upcast(), def); let param = generics @@ -305,10 +331,10 @@ impl<'a> TyLoweringContext<'a> { TyKind::Error.intern(Interner) } } - ImplTraitLoweringMode::Variable => { - let idx = self.impl_trait_counter.get(); + ImplTraitLoweringState::Variable(counter) => { + let idx = counter.get(); // FIXME we're probably doing something wrong here - self.impl_trait_counter.set(idx + count_impl_traits(type_ref) as u16); + counter.set(idx + count_impl_traits(type_ref) as u16); let ( _parent_params, self_params, @@ -327,7 +353,7 @@ impl<'a> TyLoweringContext<'a> { )) .intern(Interner) } - ImplTraitLoweringMode::Disallowed => { + ImplTraitLoweringState::Disallowed => { // FIXME: report error TyKind::Error.intern(Interner) } @@ -954,7 +980,7 @@ impl<'a> TyLoweringContext<'a> { TypeBound::Path(path, TraitBoundModifier::Maybe) => { let sized_trait = self .db - .lang_item(self.resolver.krate(), SmolStr::new_inline("sized")) + .lang_item(self.resolver.krate(), LangItem::Sized) .and_then(|lang_item| lang_item.as_trait()); // Don't lower associated type bindings as the only possible relaxed trait bound // `?Sized` has no of them. @@ -1150,7 +1176,7 @@ impl<'a> TyLoweringContext<'a> { let krate = func.lookup(ctx.db.upcast()).module(ctx.db.upcast()).krate(); let sized_trait = ctx .db - .lang_item(krate, SmolStr::new_inline("sized")) + .lang_item(krate, LangItem::Sized) .and_then(|lang_item| lang_item.as_trait().map(to_chalk_trait_id)); let sized_clause = sized_trait.map(|trait_id| { let clause = WhereClause::Implemented(TraitRef { @@ -1209,7 +1235,7 @@ fn named_associated_type_shorthand_candidates<R>( mut cb: impl FnMut(&Name, &TraitRef, TypeAliasId) -> Option<R>, ) -> Option<R> { let mut search = |t| { - for t in all_super_trait_refs(db, t) { + all_super_trait_refs(db, t, |t| { let data = db.trait_data(t.hir_trait_id()); for (name, assoc_id) in &data.items { @@ -1219,8 +1245,8 @@ fn named_associated_type_shorthand_candidates<R>( } } } - } - None + None + }) }; match res { @@ -1489,7 +1515,7 @@ fn implicitly_sized_clauses<'a>( let is_trait_def = matches!(def, GenericDefId::TraitId(..)); let generic_args = &substitution.as_slice(Interner)[is_trait_def as usize..]; let sized_trait = db - .lang_item(resolver.krate(), SmolStr::new_inline("sized")) + .lang_item(resolver.krate(), LangItem::Sized) .and_then(|lang_item| lang_item.as_trait().map(to_chalk_trait_id)); sized_trait.into_iter().flat_map(move |sized_trait| { @@ -1704,6 +1730,15 @@ pub enum CallableDefId { EnumVariantId(EnumVariantId), } impl_from!(FunctionId, StructId, EnumVariantId for CallableDefId); +impl From<CallableDefId> for ModuleDefId { + fn from(def: CallableDefId) -> ModuleDefId { + match def { + CallableDefId::FunctionId(f) => ModuleDefId::FunctionId(f), + CallableDefId::StructId(s) => ModuleDefId::AdtId(AdtId::StructId(s)), + CallableDefId::EnumVariantId(e) => ModuleDefId::EnumVariantId(e), + } + } +} impl CallableDefId { pub fn krate(self, db: &dyn HirDatabase) -> CrateId { @@ -1854,8 +1889,12 @@ pub(crate) fn return_type_impl_traits( .with_type_param_mode(ParamLoweringMode::Variable); let _ret = ctx_ret.lower_ty(&data.ret_type); let generics = generics(db.upcast(), def.into()); - let return_type_impl_traits = - ReturnTypeImplTraits { impl_traits: ctx_ret.opaque_type_data.into_inner() }; + let return_type_impl_traits = ReturnTypeImplTraits { + impl_traits: match ctx_ret.impl_trait_mode { + ImplTraitLoweringState::Opaque(x) => x.into_inner(), + _ => unreachable!(), + }, + }; if return_type_impl_traits.impl_traits.is_empty() { None } else { @@ -1931,7 +1970,7 @@ pub(crate) fn const_or_path_to_chalk( debruijn: DebruijnIndex, ) -> Const { match value { - ConstScalarOrPath::Scalar(s) => intern_const_scalar(s.clone(), expected_ty), + ConstScalarOrPath::Scalar(s) => intern_const_scalar(*s, expected_ty), ConstScalarOrPath::Path(n) => { let path = ModPath::from_segments(PathKind::Plain, Some(n.clone())); path_to_const(db, resolver, &path, mode, args, debruijn) diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs b/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs index 2328dceb839..8c7714b9a69 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/method_resolution.rs @@ -5,10 +5,11 @@ use std::{ops::ControlFlow, sync::Arc}; use base_db::{CrateId, Edition}; -use chalk_ir::{cast::Cast, Mutability, UniverseIndex}; +use chalk_ir::{cast::Cast, Mutability, TyKind, UniverseIndex}; use hir_def::{ - data::ImplData, item_scope::ItemScope, nameres::DefMap, AssocItemId, BlockId, ConstId, - FunctionId, HasModule, ImplId, ItemContainerId, Lookup, ModuleDefId, ModuleId, TraitId, + data::ImplData, item_scope::ItemScope, lang_item::LangItem, nameres::DefMap, AssocItemId, + BlockId, ConstId, FunctionId, HasModule, ImplId, ItemContainerId, Lookup, ModuleDefId, + ModuleId, TraitId, }; use hir_expand::name::Name; use rustc_hash::{FxHashMap, FxHashSet}; @@ -24,7 +25,7 @@ use crate::{ static_lifetime, to_chalk_trait_id, utils::all_super_traits, AdtId, Canonical, CanonicalVarKinds, DebruijnIndex, ForeignDefId, InEnvironment, Interner, - Scalar, Substitution, TraitEnvironment, TraitRef, TraitRefExt, Ty, TyBuilder, TyExt, TyKind, + Scalar, Substitution, TraitEnvironment, TraitRef, TraitRefExt, Ty, TyBuilder, TyExt, }; /// This is used as a key for indexing impls. @@ -437,49 +438,49 @@ pub fn def_crates( } } -pub fn lang_names_for_bin_op(op: syntax::ast::BinaryOp) -> Option<(Name, Name)> { +pub fn lang_items_for_bin_op(op: syntax::ast::BinaryOp) -> Option<(Name, LangItem)> { use hir_expand::name; use syntax::ast::{ArithOp, BinaryOp, CmpOp, Ordering}; Some(match op { BinaryOp::LogicOp(_) => return None, BinaryOp::ArithOp(aop) => match aop { - ArithOp::Add => (name!(add), name!(add)), - ArithOp::Mul => (name!(mul), name!(mul)), - ArithOp::Sub => (name!(sub), name!(sub)), - ArithOp::Div => (name!(div), name!(div)), - ArithOp::Rem => (name!(rem), name!(rem)), - ArithOp::Shl => (name!(shl), name!(shl)), - ArithOp::Shr => (name!(shr), name!(shr)), - ArithOp::BitXor => (name!(bitxor), name!(bitxor)), - ArithOp::BitOr => (name!(bitor), name!(bitor)), - ArithOp::BitAnd => (name!(bitand), name!(bitand)), + ArithOp::Add => (name![add], LangItem::Add), + ArithOp::Mul => (name![mul], LangItem::Mul), + ArithOp::Sub => (name![sub], LangItem::Sub), + ArithOp::Div => (name![div], LangItem::Div), + ArithOp::Rem => (name![rem], LangItem::Rem), + ArithOp::Shl => (name![shl], LangItem::Shl), + ArithOp::Shr => (name![shr], LangItem::Shr), + ArithOp::BitXor => (name![bitxor], LangItem::BitXor), + ArithOp::BitOr => (name![bitor], LangItem::BitOr), + ArithOp::BitAnd => (name![bitand], LangItem::BitAnd), }, BinaryOp::Assignment { op: Some(aop) } => match aop { - ArithOp::Add => (name!(add_assign), name!(add_assign)), - ArithOp::Mul => (name!(mul_assign), name!(mul_assign)), - ArithOp::Sub => (name!(sub_assign), name!(sub_assign)), - ArithOp::Div => (name!(div_assign), name!(div_assign)), - ArithOp::Rem => (name!(rem_assign), name!(rem_assign)), - ArithOp::Shl => (name!(shl_assign), name!(shl_assign)), - ArithOp::Shr => (name!(shr_assign), name!(shr_assign)), - ArithOp::BitXor => (name!(bitxor_assign), name!(bitxor_assign)), - ArithOp::BitOr => (name!(bitor_assign), name!(bitor_assign)), - ArithOp::BitAnd => (name!(bitand_assign), name!(bitand_assign)), + ArithOp::Add => (name![add_assign], LangItem::AddAssign), + ArithOp::Mul => (name![mul_assign], LangItem::MulAssign), + ArithOp::Sub => (name![sub_assign], LangItem::SubAssign), + ArithOp::Div => (name![div_assign], LangItem::DivAssign), + ArithOp::Rem => (name![rem_assign], LangItem::RemAssign), + ArithOp::Shl => (name![shl_assign], LangItem::ShlAssign), + ArithOp::Shr => (name![shr_assign], LangItem::ShrAssign), + ArithOp::BitXor => (name![bitxor_assign], LangItem::BitXorAssign), + ArithOp::BitOr => (name![bitor_assign], LangItem::BitOrAssign), + ArithOp::BitAnd => (name![bitand_assign], LangItem::BitAndAssign), }, BinaryOp::CmpOp(cop) => match cop { - CmpOp::Eq { negated: false } => (name!(eq), name!(eq)), - CmpOp::Eq { negated: true } => (name!(ne), name!(eq)), + CmpOp::Eq { negated: false } => (name![eq], LangItem::PartialEq), + CmpOp::Eq { negated: true } => (name![ne], LangItem::PartialEq), CmpOp::Ord { ordering: Ordering::Less, strict: false } => { - (name!(le), name!(partial_ord)) + (name![le], LangItem::PartialOrd) } CmpOp::Ord { ordering: Ordering::Less, strict: true } => { - (name!(lt), name!(partial_ord)) + (name![lt], LangItem::PartialOrd) } CmpOp::Ord { ordering: Ordering::Greater, strict: false } => { - (name!(ge), name!(partial_ord)) + (name![ge], LangItem::PartialOrd) } CmpOp::Ord { ordering: Ordering::Greater, strict: true } => { - (name!(gt), name!(partial_ord)) + (name![gt], LangItem::PartialOrd) } }, BinaryOp::Assignment { op: None } => return None, @@ -587,25 +588,31 @@ impl ReceiverAdjustments { } } } + if let Some(m) = self.autoref { + ty = TyKind::Ref(m, static_lifetime(), ty).intern(Interner); + adjust + .push(Adjustment { kind: Adjust::Borrow(AutoBorrow::Ref(m)), target: ty.clone() }); + } if self.unsize_array { - ty = match ty.kind(Interner) { - TyKind::Array(inner, _) => TyKind::Slice(inner.clone()).intern(Interner), - _ => { - never!("unsize_array with non-array {:?}", ty); - ty + ty = 'x: { + if let TyKind::Ref(m, l, inner) = ty.kind(Interner) { + if let TyKind::Array(inner, _) = inner.kind(Interner) { + break 'x TyKind::Ref( + m.clone(), + l.clone(), + TyKind::Slice(inner.clone()).intern(Interner), + ) + .intern(Interner); + } } + never!("unsize_array with non-reference-to-array {:?}", ty); + ty }; - // FIXME this is kind of wrong since the unsize needs to happen to a pointer/reference adjust.push(Adjustment { kind: Adjust::Pointer(PointerCast::Unsize), target: ty.clone(), }); } - if let Some(m) = self.autoref { - ty = TyKind::Ref(m, static_lifetime(), ty).intern(Interner); - adjust - .push(Adjustment { kind: Adjust::Borrow(AutoBorrow::Ref(m)), target: ty.clone() }); - } (ty, adjust) } @@ -712,17 +719,17 @@ fn lookup_impl_assoc_item_for_trait_ref( let table = InferenceTable::new(db, env); let impl_data = find_matching_impl(impls, table, trait_ref)?; - impl_data.items.iter().find_map(|it| match it { + impl_data.items.iter().find_map(|&it| match it { AssocItemId::FunctionId(f) => { - (db.function_data(*f).name == *name).then_some(AssocItemId::FunctionId(*f)) + (db.function_data(f).name == *name).then_some(AssocItemId::FunctionId(f)) } AssocItemId::ConstId(c) => db - .const_data(*c) + .const_data(c) .name .as_ref() - .map(|n| *n == *name) - .and_then(|result| if result { Some(AssocItemId::ConstId(*c)) } else { None }), - _ => None, + .map(|n| n == name) + .and_then(|result| if result { Some(AssocItemId::ConstId(c)) } else { None }), + AssocItemId::TypeAliasId(_) => None, }) } @@ -1094,13 +1101,13 @@ fn iterate_inherent_methods( None => return ControlFlow::Continue(()), }; - let (module, block) = match visible_from_module { + let (module, mut block) = match visible_from_module { VisibleFromModule::Filter(module) => (Some(module), module.containing_block()), VisibleFromModule::IncludeBlock(block) => (None, Some(block)), VisibleFromModule::None => (None, None), }; - if let Some(block_id) = block { + while let Some(block_id) = block { if let Some(impls) = db.inherent_impls_in_block(block_id) { impls_for_self_ty( &impls, @@ -1113,6 +1120,11 @@ fn iterate_inherent_methods( callback, )?; } + + block = db + .block_def_map(block_id) + .and_then(|map| map.parent()) + .and_then(|module| module.containing_block()); } for krate in def_crates { diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs index 6c7a5329970..41c53701df6 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/method_resolution.rs @@ -813,7 +813,7 @@ fn test() { fn method_resolution_trait_from_prelude() { check_types( r#" -//- /main.rs crate:main deps:core +//- /main.rs edition:2018 crate:main deps:core struct S; impl Clone for S {} @@ -986,14 +986,13 @@ fn main() { } #[test] -fn method_resolution_encountering_fn_type() { +fn explicit_fn_once_call_fn_item() { check_types( r#" -//- /main.rs +//- minicore: fn fn foo() {} -trait FnOnce { fn call(self); } -fn test() { foo.call(); } - //^^^^^^^^^^ {unknown} +fn test() { foo.call_once(); } + //^^^^^^^^^^^^^^^ () "#, ); } @@ -1527,7 +1526,7 @@ fn f(x: U2) { fn skip_array_during_method_dispatch() { check_types( r#" -//- /main2018.rs crate:main2018 deps:core +//- /main2018.rs crate:main2018 deps:core edition:2018 use core::IntoIterator; fn f() { @@ -1725,14 +1724,13 @@ fn test() { #[test] fn receiver_adjustment_unsize_array() { - // FIXME not quite correct check( r#" //- minicore: slice fn test() { let a = [1, 2, 3]; a.len(); -} //^ adjustments: Pointer(Unsize), Borrow(Ref(Not)) +} //^ adjustments: Borrow(Ref(Not)), Pointer(Unsize) "#, ); } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs index 146145523b2..2e5787b701c 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/simple.rs @@ -3200,3 +3200,86 @@ fn func() { "#, ); } + +// FIXME +#[test] +fn castable_to() { + check_infer( + r#" +//- minicore: sized +#[lang = "owned_box"] +pub struct Box<T: ?Sized> { + inner: *mut T, +} +impl<T> Box<T> { + fn new(t: T) -> Self { loop {} } +} + +fn func() { + let x = Box::new([]) as Box<[i32; 0]>; +} +"#, + expect![[r#" + 99..100 't': T + 113..124 '{ loop {} }': Box<T> + 115..122 'loop {}': ! + 120..122 '{}': () + 138..184 '{ ...0]>; }': () + 148..149 'x': Box<[i32; 0]> + 152..160 'Box::new': fn new<[{unknown}; 0]>([{unknown}; 0]) -> Box<[{unknown}; 0]> + 152..164 'Box::new([])': Box<[{unknown}; 0]> + 152..181 'Box::n...2; 0]>': Box<[i32; 0]> + 161..163 '[]': [{unknown}; 0] + "#]], + ); +} + +#[test] +fn castable_to1() { + check_infer( + r#" +struct Ark<T>(T); +impl<T> Ark<T> { + fn foo(&self) -> *const T { + &self.0 + } +} +fn f<T>(t: Ark<T>) { + Ark::foo(&t) as *const (); +} +"#, + expect![[r#" + 47..51 'self': &Ark<T> + 65..88 '{ ... }': *const T + 75..82 '&self.0': &T + 76..80 'self': &Ark<T> + 76..82 'self.0': T + 99..100 't': Ark<T> + 110..144 '{ ... (); }': () + 116..124 'Ark::foo': fn foo<T>(&Ark<T>) -> *const T + 116..128 'Ark::foo(&t)': *const T + 116..141 'Ark::f...nst ()': *const () + 125..127 '&t': &Ark<T> + 126..127 't': Ark<T> + "#]], + ); +} + +// FIXME +#[test] +fn castable_to2() { + check_infer( + r#" +fn func() { + let x = &0u32 as *const _; +} +"#, + expect![[r#" + 10..44 '{ ...t _; }': () + 20..21 'x': *const {unknown} + 24..29 '&0u32': &u32 + 24..41 '&0u32 ...onst _': *const {unknown} + 25..29 '0u32': u32 + "#]], + ); +} diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs b/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs index d01fe063285..015085bde45 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/tests/traits.rs @@ -163,98 +163,22 @@ fn test() { } #[test] -fn infer_try() { +fn infer_try_trait() { check_types( r#" -//- /main.rs crate:main deps:core +//- minicore: try, result fn test() { let r: Result<i32, u64> = Result::Ok(1); let v = r?; v; } //^ i32 -//- /core.rs crate:core -pub mod ops { - pub trait Try { - type Ok; - type Error; - } -} - -pub mod result { - pub enum Result<O, E> { - Ok(O), - Err(E) - } - - impl<O, E> crate::ops::Try for Result<O, E> { - type Ok = O; - type Error = E; - } -} - -pub mod prelude { - pub mod rust_2018 { - pub use crate::{result::*, ops::*}; - } -} -"#, - ); -} - -#[test] -fn infer_try_trait_v2() { - check_types( - r#" -//- /main.rs crate:main deps:core -fn test() { - let r: Result<i32, u64> = Result::Ok(1); - let v = r?; - v; -} //^ i32 - -//- /core.rs crate:core -mod ops { - mod try_trait { - pub trait Try: FromResidual { - type Output; - type Residual; - } - pub trait FromResidual<R = <Self as Try>::Residual> {} - } - - pub use self::try_trait::FromResidual; - pub use self::try_trait::Try; +impl<O, E> core::ops::Try for Result<O, E> { + type Output = O; + type Error = Result<core::convert::Infallible, E>; } -mod convert { - pub trait From<T> {} - impl<T> From<T> for T {} -} - -pub mod result { - use crate::convert::From; - use crate::ops::{Try, FromResidual}; - - pub enum Infallible {} - pub enum Result<O, E> { - Ok(O), - Err(E) - } - - impl<O, E> Try for Result<O, E> { - type Output = O; - type Error = Result<Infallible, E>; - } - - impl<T, E, F: From<E>> FromResidual<Result<Infallible, E>> for Result<T, F> {} -} - -pub mod prelude { - pub mod rust_2018 { - pub use crate::result::*; - } -} +impl<T, E, F: From<E>> core::ops::FromResidual<Result<core::convert::Infallible, E>> for Result<T, F> {} "#, ); } @@ -263,7 +187,8 @@ pub mod prelude { fn infer_for_loop() { check_types( r#" -//- /main.rs crate:main deps:core,alloc +//- minicore: iterator +//- /main.rs crate:main deps:alloc #![no_std] use alloc::collections::Vec; @@ -275,23 +200,7 @@ fn test() { } //^ &str } -//- /core.rs crate:core -pub mod iter { - pub trait IntoIterator { - type Item; - type IntoIter: Iterator<Item = Self::Item>; - } - pub trait Iterator { - type Item; - } -} -pub mod prelude { - pub mod rust_2018 { - pub use crate::iter::*; - } -} - -//- /alloc.rs crate:alloc deps:core +//- /alloc.rs crate:alloc #![no_std] pub mod collections { pub struct Vec<T> {} @@ -1848,25 +1757,19 @@ fn test() { fn fn_trait() { check_infer_with_mismatches( r#" -trait FnOnce<Args> { - type Output; - - fn call_once(self, args: Args) -> <Self as FnOnce<Args>>::Output; -} +//- minicore: fn fn test<F: FnOnce(u32, u64) -> u128>(f: F) { f.call_once((1, 2)); }"#, expect![[r#" - 56..60 'self': Self - 62..66 'args': Args - 149..150 'f': F - 155..183 '{ ...2)); }': () - 161..162 'f': F - 161..180 'f.call...1, 2))': u128 - 173..179 '(1, 2)': (u32, u64) - 174..175 '1': u32 - 177..178 '2': u64 + 38..39 'f': F + 44..72 '{ ...2)); }': () + 50..51 'f': F + 50..69 'f.call...1, 2))': u128 + 62..68 '(1, 2)': (u32, u64) + 63..64 '1': u32 + 66..67 '2': u64 "#]], ); } @@ -1875,12 +1778,7 @@ fn test<F: FnOnce(u32, u64) -> u128>(f: F) { fn fn_ptr_and_item() { check_infer_with_mismatches( r#" -#[lang="fn_once"] -trait FnOnce<Args> { - type Output; - - fn call_once(self, args: Args) -> Self::Output; -} +//- minicore: fn trait Foo<T> { fn foo(&self) -> T; @@ -1906,27 +1804,25 @@ fn test() { opt.map(f); }"#, expect![[r#" - 74..78 'self': Self - 80..84 'args': Args - 139..143 'self': &Self - 243..247 'self': &Bar<F> - 260..271 '{ loop {} }': (A1, R) - 262..269 'loop {}': ! - 267..269 '{}': () - 355..359 'self': Opt<T> - 361..362 'f': F - 377..388 '{ loop {} }': Opt<U> - 379..386 'loop {}': ! - 384..386 '{}': () - 402..518 '{ ...(f); }': () - 412..415 'bar': Bar<fn(u8) -> u32> - 441..444 'bar': Bar<fn(u8) -> u32> - 441..450 'bar.foo()': (u8, u32) - 461..464 'opt': Opt<u8> - 483..484 'f': fn(u8) -> u32 - 505..508 'opt': Opt<u8> - 505..515 'opt.map(f)': Opt<u32> - 513..514 'f': fn(u8) -> u32 + 28..32 'self': &Self + 132..136 'self': &Bar<F> + 149..160 '{ loop {} }': (A1, R) + 151..158 'loop {}': ! + 156..158 '{}': () + 244..248 'self': Opt<T> + 250..251 'f': F + 266..277 '{ loop {} }': Opt<U> + 268..275 'loop {}': ! + 273..275 '{}': () + 291..407 '{ ...(f); }': () + 301..304 'bar': Bar<fn(u8) -> u32> + 330..333 'bar': Bar<fn(u8) -> u32> + 330..339 'bar.foo()': (u8, u32) + 350..353 'opt': Opt<u8> + 372..373 'f': fn(u8) -> u32 + 394..397 'opt': Opt<u8> + 394..404 'opt.map(f)': Opt<u32> + 402..403 'f': fn(u8) -> u32 "#]], ); } @@ -2399,10 +2295,8 @@ fn unselected_projection_in_trait_env_no_cycle() { // this is not a cycle check_types( r#" -//- /main.rs -trait Index { - type Output; -} +//- minicore: index +use core::ops::Index; type Key<S: UnificationStoreBase> = <S as UnificationStoreBase>::Key; @@ -2999,40 +2893,17 @@ fn test() { fn integer_range_iterate() { check_types( r#" -//- /main.rs crate:main deps:core +//- minicore: range, iterator +//- /main.rs crate:main fn test() { for x in 0..100 { x; } } //^ i32 -//- /core.rs crate:core -pub mod ops { - pub struct Range<Idx> { - pub start: Idx, - pub end: Idx, - } -} - -pub mod iter { - pub trait Iterator { - type Item; - } - - pub trait IntoIterator { - type Item; - type IntoIter: Iterator<Item = Self::Item>; - } - - impl<T> IntoIterator for T where T: Iterator { - type Item = <T as Iterator>::Item; - type IntoIter = Self; - } -} - trait Step {} impl Step for i32 {} impl Step for i64 {} -impl<A: Step> iter::Iterator for ops::Range<A> { +impl<A: Step> core::iter::Iterator for core::ops::Range<A> { type Item = A; } "#, @@ -3507,14 +3378,9 @@ trait Request { fn bin_op_adt_with_rhs_primitive() { check_infer_with_mismatches( r#" -#[lang = "add"] -pub trait Add<Rhs = Self> { - type Output; - fn add(self, rhs: Rhs) -> Self::Output; -} - +//- minicore: add struct Wrapper(u32); -impl Add<u32> for Wrapper { +impl core::ops::Add<u32> for Wrapper { type Output = Self; fn add(self, rhs: u32) -> Wrapper { Wrapper(rhs) @@ -3527,30 +3393,107 @@ fn main(){ }"#, expect![[r#" - 72..76 'self': Self - 78..81 'rhs': Rhs - 192..196 'self': Wrapper - 198..201 'rhs': u32 - 219..247 '{ ... }': Wrapper - 229..236 'Wrapper': Wrapper(u32) -> Wrapper - 229..241 'Wrapper(rhs)': Wrapper - 237..240 'rhs': u32 - 259..345 '{ ...um; }': () - 269..276 'wrapped': Wrapper - 279..286 'Wrapper': Wrapper(u32) -> Wrapper - 279..290 'Wrapper(10)': Wrapper - 287..289 '10': u32 - 300..303 'num': u32 - 311..312 '2': u32 - 322..325 'res': Wrapper - 328..335 'wrapped': Wrapper - 328..341 'wrapped + num': Wrapper - 338..341 'num': u32 + 95..99 'self': Wrapper + 101..104 'rhs': u32 + 122..150 '{ ... }': Wrapper + 132..139 'Wrapper': Wrapper(u32) -> Wrapper + 132..144 'Wrapper(rhs)': Wrapper + 140..143 'rhs': u32 + 162..248 '{ ...um; }': () + 172..179 'wrapped': Wrapper + 182..189 'Wrapper': Wrapper(u32) -> Wrapper + 182..193 'Wrapper(10)': Wrapper + 190..192 '10': u32 + 203..206 'num': u32 + 214..215 '2': u32 + 225..228 'res': Wrapper + 231..238 'wrapped': Wrapper + 231..244 'wrapped + num': Wrapper + 241..244 'num': u32 "#]], ) } #[test] +fn builtin_binop_expectation_works_on_single_reference() { + check_types( + r#" +//- minicore: add +use core::ops::Add; +impl Add<i32> for i32 { type Output = i32 } +impl Add<&i32> for i32 { type Output = i32 } +impl Add<u32> for u32 { type Output = u32 } +impl Add<&u32> for u32 { type Output = u32 } + +struct V<T>; +impl<T> V<T> { + fn default() -> Self { loop {} } + fn get(&self, _: &T) -> &T { loop {} } +} + +fn take_u32(_: u32) {} +fn minimized() { + let v = V::default(); + let p = v.get(&0); + //^ &u32 + take_u32(42 + p); +} +"#, + ); +} + +#[test] +fn no_builtin_binop_expectation_for_general_ty_var() { + // FIXME: Ideally type mismatch should be reported on `take_u32(42 - p)`. + check_types( + r#" +//- minicore: add +use core::ops::Add; +impl Add<i32> for i32 { type Output = i32; } +impl Add<&i32> for i32 { type Output = i32; } +// This is needed to prevent chalk from giving unique solution to `i32: Add<&?0>` after applying +// fallback to integer type variable for `42`. +impl Add<&()> for i32 { type Output = (); } + +struct V<T>; +impl<T> V<T> { + fn default() -> Self { loop {} } + fn get(&self) -> &T { loop {} } +} + +fn take_u32(_: u32) {} +fn minimized() { + let v = V::default(); + let p = v.get(); + //^ &{unknown} + take_u32(42 + p); +} +"#, + ); +} + +#[test] +fn no_builtin_binop_expectation_for_non_builtin_types() { + check_no_mismatches( + r#" +//- minicore: default, eq +struct S; +impl Default for S { fn default() -> Self { S } } +impl Default for i32 { fn default() -> Self { 0 } } +impl PartialEq<S> for i32 { fn eq(&self, _: &S) -> bool { true } } +impl PartialEq<i32> for i32 { fn eq(&self, _: &S) -> bool { true } } + +fn take_s(_: S) {} +fn test() { + let s = Default::default(); + let _eq = 0 == s; + take_s(s); +} +"#, + ) +} + +#[test] fn array_length() { check_infer( r#" diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs b/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs index 778a6b82047..3ab85c68f5b 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/traits.rs @@ -7,9 +7,11 @@ use chalk_recursive::Cache; use chalk_solve::{logging_db::LoggingRustIrDatabase, Solver}; use base_db::CrateId; -use hir_def::{lang_item::LangItemTarget, TraitId}; +use hir_def::{ + lang_item::{LangItem, LangItemTarget}, + TraitId, +}; use stdx::panic_context; -use syntax::SmolStr; use crate::{ db::HirDatabase, infer::unify::InferenceTable, AliasEq, AliasTy, Canonical, DomainGoal, Goal, @@ -177,18 +179,18 @@ pub enum FnTrait { } impl FnTrait { - const fn lang_item_name(self) -> &'static str { + const fn lang_item(self) -> LangItem { match self { - FnTrait::FnOnce => "fn_once", - FnTrait::FnMut => "fn_mut", - FnTrait::Fn => "fn", + FnTrait::FnOnce => LangItem::FnOnce, + FnTrait::FnMut => LangItem::FnMut, + FnTrait::Fn => LangItem::Fn, } } pub fn get_id(&self, db: &dyn HirDatabase, krate: CrateId) -> Option<TraitId> { - let target = db.lang_item(krate, SmolStr::new_inline(self.lang_item_name()))?; + let target = db.lang_item(krate, self.lang_item())?; match target { - LangItemTarget::TraitId(t) => Some(t), + LangItemTarget::Trait(t) => Some(t), _ => None, } } diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs b/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs index 9893566bd54..70d2d5efa6c 100644 --- a/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs +++ b/src/tools/rust-analyzer/crates/hir-ty/src/utils.rs @@ -11,39 +11,100 @@ use hir_def::{ GenericParams, TypeOrConstParamData, TypeParamProvenance, WherePredicate, WherePredicateTypeTarget, }, - intern::Interned, + lang_item::LangItem, resolver::{HasResolver, TypeNs}, type_ref::{TraitBoundModifier, TypeRef}, ConstParamId, FunctionId, GenericDefId, ItemContainerId, Lookup, TraitId, TypeAliasId, TypeOrConstParamId, TypeParamId, }; use hir_expand::name::Name; +use intern::Interned; use itertools::Either; use rustc_hash::FxHashSet; use smallvec::{smallvec, SmallVec}; -use syntax::SmolStr; use crate::{ db::HirDatabase, ChalkTraitId, Interner, Substitution, TraitRef, TraitRefExt, WhereClause, }; -pub(crate) fn fn_traits(db: &dyn DefDatabase, krate: CrateId) -> impl Iterator<Item = TraitId> { - [ - db.lang_item(krate, SmolStr::new_inline("fn")), - db.lang_item(krate, SmolStr::new_inline("fn_mut")), - db.lang_item(krate, SmolStr::new_inline("fn_once")), - ] - .into_iter() - .flatten() - .flat_map(|it| it.as_trait()) +pub(crate) fn fn_traits( + db: &dyn DefDatabase, + krate: CrateId, +) -> impl Iterator<Item = TraitId> + '_ { + [LangItem::Fn, LangItem::FnMut, LangItem::FnOnce] + .into_iter() + .filter_map(move |lang| db.lang_item(krate, lang)) + .flat_map(|it| it.as_trait()) } -fn direct_super_traits(db: &dyn DefDatabase, trait_: TraitId) -> SmallVec<[TraitId; 4]> { +/// Returns an iterator over the whole super trait hierarchy (including the +/// trait itself). +pub fn all_super_traits(db: &dyn DefDatabase, trait_: TraitId) -> SmallVec<[TraitId; 4]> { + // we need to take care a bit here to avoid infinite loops in case of cycles + // (i.e. if we have `trait A: B; trait B: A;`) + + let mut result = smallvec![trait_]; + let mut i = 0; + while let Some(&t) = result.get(i) { + // yeah this is quadratic, but trait hierarchies should be flat + // enough that this doesn't matter + direct_super_traits(db, t, |tt| { + if !result.contains(&tt) { + result.push(tt); + } + }); + i += 1; + } + result +} + +/// Given a trait ref (`Self: Trait`), builds all the implied trait refs for +/// super traits. The original trait ref will be included. So the difference to +/// `all_super_traits` is that we keep track of type parameters; for example if +/// we have `Self: Trait<u32, i32>` and `Trait<T, U>: OtherTrait<U>` we'll get +/// `Self: OtherTrait<i32>`. +pub(super) fn all_super_trait_refs<T>( + db: &dyn HirDatabase, + trait_ref: TraitRef, + cb: impl FnMut(TraitRef) -> Option<T>, +) -> Option<T> { + let seen = iter::once(trait_ref.trait_id).collect(); + let mut stack = Vec::new(); + stack.push(trait_ref); + SuperTraits { db, seen, stack }.find_map(cb) +} + +struct SuperTraits<'a> { + db: &'a dyn HirDatabase, + stack: Vec<TraitRef>, + seen: FxHashSet<ChalkTraitId>, +} + +impl<'a> SuperTraits<'a> { + fn elaborate(&mut self, trait_ref: &TraitRef) { + direct_super_trait_refs(self.db, trait_ref, |trait_ref| { + if !self.seen.contains(&trait_ref.trait_id) { + self.stack.push(trait_ref); + } + }); + } +} + +impl<'a> Iterator for SuperTraits<'a> { + type Item = TraitRef; + + fn next(&mut self) -> Option<Self::Item> { + if let Some(next) = self.stack.pop() { + self.elaborate(&next); + Some(next) + } else { + None + } + } +} + +fn direct_super_traits(db: &dyn DefDatabase, trait_: TraitId, cb: impl FnMut(TraitId)) { let resolver = trait_.resolver(db); - // returning the iterator directly doesn't easily work because of - // lifetime problems, but since there usually shouldn't be more than a - // few direct traits this should be fine (we could even use some kind of - // SmallVec if performance is a concern) let generic_params = db.generic_params(trait_.into()); let trait_self = generic_params.find_trait_self_param(); generic_params @@ -73,18 +134,14 @@ fn direct_super_traits(db: &dyn DefDatabase, trait_: TraitId) -> SmallVec<[Trait Some(TypeNs::TraitId(t)) => Some(t), _ => None, }) - .collect() + .for_each(cb); } -fn direct_super_trait_refs(db: &dyn HirDatabase, trait_ref: &TraitRef) -> Vec<TraitRef> { - // returning the iterator directly doesn't easily work because of - // lifetime problems, but since there usually shouldn't be more than a - // few direct traits this should be fine (we could even use some kind of - // SmallVec if performance is a concern) +fn direct_super_trait_refs(db: &dyn HirDatabase, trait_ref: &TraitRef, cb: impl FnMut(TraitRef)) { let generic_params = db.generic_params(trait_ref.hir_trait_id().into()); let trait_self = match generic_params.find_trait_self_param() { Some(p) => TypeOrConstParamId { parent: trait_ref.hir_trait_id().into(), local_id: p }, - None => return Vec::new(), + None => return, }; db.generic_predicates_for_param(trait_self.parent, trait_self, None) .iter() @@ -100,64 +157,7 @@ fn direct_super_trait_refs(db: &dyn HirDatabase, trait_ref: &TraitRef) -> Vec<Tr }) }) .map(|pred| pred.substitute(Interner, &trait_ref.substitution)) - .collect() -} - -/// Returns an iterator over the whole super trait hierarchy (including the -/// trait itself). -pub fn all_super_traits(db: &dyn DefDatabase, trait_: TraitId) -> SmallVec<[TraitId; 4]> { - // we need to take care a bit here to avoid infinite loops in case of cycles - // (i.e. if we have `trait A: B; trait B: A;`) - - let mut result = smallvec![trait_]; - let mut i = 0; - while let Some(&t) = result.get(i) { - // yeah this is quadratic, but trait hierarchies should be flat - // enough that this doesn't matter - for tt in direct_super_traits(db, t) { - if !result.contains(&tt) { - result.push(tt); - } - } - i += 1; - } - result -} - -/// Given a trait ref (`Self: Trait`), builds all the implied trait refs for -/// super traits. The original trait ref will be included. So the difference to -/// `all_super_traits` is that we keep track of type parameters; for example if -/// we have `Self: Trait<u32, i32>` and `Trait<T, U>: OtherTrait<U>` we'll get -/// `Self: OtherTrait<i32>`. -pub(super) fn all_super_trait_refs(db: &dyn HirDatabase, trait_ref: TraitRef) -> SuperTraits<'_> { - SuperTraits { db, seen: iter::once(trait_ref.trait_id).collect(), stack: vec![trait_ref] } -} - -pub(super) struct SuperTraits<'a> { - db: &'a dyn HirDatabase, - stack: Vec<TraitRef>, - seen: FxHashSet<ChalkTraitId>, -} - -impl<'a> SuperTraits<'a> { - fn elaborate(&mut self, trait_ref: &TraitRef) { - let mut trait_refs = direct_super_trait_refs(self.db, trait_ref); - trait_refs.retain(|tr| !self.seen.contains(&tr.trait_id)); - self.stack.extend(trait_refs); - } -} - -impl<'a> Iterator for SuperTraits<'a> { - type Item = TraitRef; - - fn next(&mut self) -> Option<Self::Item> { - if let Some(next) = self.stack.pop() { - self.elaborate(&next); - Some(next) - } else { - None - } - } + .for_each(cb); } pub(super) fn associated_type_by_name_including_super_traits( @@ -165,7 +165,7 @@ pub(super) fn associated_type_by_name_including_super_traits( trait_ref: TraitRef, name: &Name, ) -> Option<(TraitRef, TypeAliasId)> { - all_super_trait_refs(db, trait_ref).find_map(|t| { + all_super_trait_refs(db, trait_ref, |t| { let assoc_type = db.trait_data(t.hir_trait_id()).associated_type_by_name(name)?; Some((t, assoc_type)) }) @@ -238,15 +238,18 @@ impl Generics { /// (parent total, self param, type param list, const param list, impl trait) pub(crate) fn provenance_split(&self) -> (usize, usize, usize, usize, usize) { - let ty_iter = || self.params.iter().filter_map(|x| x.1.type_param()); - - let self_params = - ty_iter().filter(|p| p.provenance == TypeParamProvenance::TraitSelf).count(); - let type_params = - ty_iter().filter(|p| p.provenance == TypeParamProvenance::TypeParamList).count(); - let impl_trait_params = - ty_iter().filter(|p| p.provenance == TypeParamProvenance::ArgumentImplTrait).count(); - let const_params = self.params.iter().filter_map(|x| x.1.const_param()).count(); + let mut self_params = 0; + let mut type_params = 0; + let mut impl_trait_params = 0; + let mut const_params = 0; + self.params.iter().for_each(|(_, data)| match data { + TypeOrConstParamData::TypeParamData(p) => match p.provenance { + TypeParamProvenance::TypeParamList => type_params += 1, + TypeParamProvenance::TraitSelf => self_params += 1, + TypeParamProvenance::ArgumentImplTrait => impl_trait_params += 1, + }, + TypeOrConstParamData::ConstParamData(_) => const_params += 1, + }); let parent_len = self.parent_generics().map_or(0, Generics::len); (parent_len, self_params, type_params, const_params, impl_trait_params) diff --git a/src/tools/rust-analyzer/crates/hir-ty/src/walk.rs b/src/tools/rust-analyzer/crates/hir-ty/src/walk.rs deleted file mode 100644 index c476894552e..00000000000 --- a/src/tools/rust-analyzer/crates/hir-ty/src/walk.rs +++ /dev/null @@ -1,147 +0,0 @@ -//! The `TypeWalk` trait (probably to be replaced by Chalk's `Fold` and -//! `Visit`). - -use chalk_ir::interner::HasInterner; - -use crate::{ - AliasEq, AliasTy, Binders, CallableSig, FnSubst, GenericArg, GenericArgData, Interner, - OpaqueTy, ProjectionTy, Substitution, TraitRef, Ty, TyKind, WhereClause, -}; - -/// This allows walking structures that contain types to do something with those -/// types, similar to Chalk's `Fold` trait. -pub trait TypeWalk { - fn walk(&self, f: &mut impl FnMut(&Ty)); -} - -impl TypeWalk for Ty { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - match self.kind(Interner) { - TyKind::Alias(AliasTy::Projection(p_ty)) => { - for t in p_ty.substitution.iter(Interner) { - t.walk(f); - } - } - TyKind::Alias(AliasTy::Opaque(o_ty)) => { - for t in o_ty.substitution.iter(Interner) { - t.walk(f); - } - } - TyKind::Dyn(dyn_ty) => { - for p in dyn_ty.bounds.skip_binders().interned().iter() { - p.walk(f); - } - } - TyKind::Slice(ty) - | TyKind::Array(ty, _) - | TyKind::Ref(_, _, ty) - | TyKind::Raw(_, ty) => { - ty.walk(f); - } - TyKind::Function(fn_pointer) => { - fn_pointer.substitution.0.walk(f); - } - TyKind::Adt(_, substs) - | TyKind::FnDef(_, substs) - | TyKind::Tuple(_, substs) - | TyKind::OpaqueType(_, substs) - | TyKind::AssociatedType(_, substs) - | TyKind::Closure(.., substs) => { - substs.walk(f); - } - _ => {} - } - f(self); - } -} - -impl<T: TypeWalk> TypeWalk for Vec<T> { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - for t in self { - t.walk(f); - } - } -} - -impl TypeWalk for OpaqueTy { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - self.substitution.walk(f); - } -} - -impl TypeWalk for ProjectionTy { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - self.substitution.walk(f); - } -} - -impl TypeWalk for AliasTy { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - match self { - AliasTy::Projection(it) => it.walk(f), - AliasTy::Opaque(it) => it.walk(f), - } - } -} - -impl TypeWalk for GenericArg { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - if let GenericArgData::Ty(ty) = &self.interned() { - ty.walk(f); - } - } -} - -impl TypeWalk for Substitution { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - for t in self.iter(Interner) { - t.walk(f); - } - } -} - -impl<T: TypeWalk + HasInterner<Interner = Interner>> TypeWalk for Binders<T> { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - self.skip_binders().walk(f); - } -} - -impl TypeWalk for TraitRef { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - self.substitution.walk(f); - } -} - -impl TypeWalk for WhereClause { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - match self { - WhereClause::Implemented(trait_ref) => trait_ref.walk(f), - WhereClause::AliasEq(alias_eq) => alias_eq.walk(f), - _ => {} - } - } -} - -impl TypeWalk for CallableSig { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - for t in self.params_and_return.iter() { - t.walk(f); - } - } -} - -impl TypeWalk for AliasEq { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - self.ty.walk(f); - match &self.alias { - AliasTy::Projection(projection_ty) => projection_ty.walk(f), - AliasTy::Opaque(opaque) => opaque.walk(f), - } - } -} - -impl TypeWalk for FnSubst<Interner> { - fn walk(&self, f: &mut impl FnMut(&Ty)) { - self.0.walk(f) - } -} diff --git a/src/tools/rust-analyzer/crates/hir/Cargo.toml b/src/tools/rust-analyzer/crates/hir/Cargo.toml index f780e3f53c8..32cde8a7732 100644 --- a/src/tools/rust-analyzer/crates/hir/Cargo.toml +++ b/src/tools/rust-analyzer/crates/hir/Cargo.toml @@ -2,9 +2,11 @@ name = "hir" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -15,14 +17,15 @@ either = "1.7.0" arrayvec = "0.7.2" itertools = "0.10.5" smallvec = "1.10.0" -once_cell = "1.15.0" +once_cell = "1.17.0" -stdx = { path = "../stdx", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -base-db = { path = "../base-db", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -hir-expand = { path = "../hir-expand", version = "0.0.0" } -hir-def = { path = "../hir-def", version = "0.0.0" } -hir-ty = { path = "../hir-ty", version = "0.0.0" } -tt = { path = "../tt", version = "0.0.0" } -cfg = { path = "../cfg", version = "0.0.0" } +# local deps +base-db.workspace = true +cfg.workspace = true +hir-def.workspace = true +hir-expand.workspace = true +hir-ty.workspace = true +profile.workspace = true +stdx.workspace = true +syntax.workspace = true +tt.workspace = true diff --git a/src/tools/rust-analyzer/crates/hir/src/display.rs b/src/tools/rust-analyzer/crates/hir/src/display.rs index 5a4b2f33449..0d19420127f 100644 --- a/src/tools/rust-analyzer/crates/hir/src/display.rs +++ b/src/tools/rust-analyzer/crates/hir/src/display.rs @@ -4,6 +4,7 @@ use hir_def::{ generics::{ TypeOrConstParamData, TypeParamProvenance, WherePredicate, WherePredicateTypeTarget, }, + lang_item::LangItem, type_ref::{TypeBound, TypeRef}, AdtId, GenericDefId, }; @@ -14,7 +15,6 @@ use hir_ty::{ }, Interner, TraitRefExt, WhereClause, }; -use syntax::SmolStr; use crate::{ Adt, Const, ConstParam, Enum, Field, Function, GenericParam, HasCrate, HasVisibility, @@ -261,8 +261,7 @@ impl HirDisplay for TypeParam { bounds.iter().cloned().map(|b| b.substitute(Interner, &substs)).collect(); let krate = self.id.parent().krate(f.db).id; let sized_trait = - f.db.lang_item(krate, SmolStr::new_inline("sized")) - .and_then(|lang_item| lang_item.as_trait()); + f.db.lang_item(krate, LangItem::Sized).and_then(|lang_item| lang_item.as_trait()); let has_only_sized_bound = predicates.iter().all(move |pred| match pred.skip_binders() { WhereClause::Implemented(it) => Some(it.hir_trait_id()) == sized_trait, _ => false, @@ -270,7 +269,7 @@ impl HirDisplay for TypeParam { let has_only_not_sized_bound = predicates.is_empty(); if !has_only_sized_bound || has_only_not_sized_bound { let default_sized = SizedByDefault::Sized { anchor: krate }; - write_bounds_like_dyn_trait_with_prefix(":", &predicates, default_sized, f)?; + write_bounds_like_dyn_trait_with_prefix(f, ":", &predicates, default_sized)?; } Ok(()) } diff --git a/src/tools/rust-analyzer/crates/hir/src/lib.rs b/src/tools/rust-analyzer/crates/hir/src/lib.rs index 08fd4453dfc..2cb4ed2c335 100644 --- a/src/tools/rust-analyzer/crates/hir/src/lib.rs +++ b/src/tools/rust-analyzer/crates/hir/src/lib.rs @@ -44,12 +44,13 @@ use hir_def::{ expr::{BindingAnnotation, ExprOrPatId, LabelId, Pat, PatId}, generics::{TypeOrConstParamData, TypeParamProvenance}, item_tree::ItemTreeNode, - lang_item::LangItemTarget, + lang_item::{LangItem, LangItemTarget}, layout::{Layout, LayoutError, ReprOptions}, nameres::{self, diagnostics::DefDiagnostic}, per_ns::PerNs, resolver::{HasResolver, Resolver}, src::HasSource as _, + type_ref::ConstScalar, AdtId, AssocItemId, AssocItemLoc, AttrDefId, ConstId, ConstParamId, DefWithBodyId, EnumId, EnumVariantId, FunctionId, GenericDefId, HasModule, ImplId, ItemContainerId, LifetimeParamId, LocalEnumVariantId, LocalFieldId, Lookup, MacroExpander, MacroId, ModuleId, StaticId, StructId, @@ -65,8 +66,9 @@ use hir_ty::{ primitive::UintTy, traits::FnTrait, AliasTy, CallableDefId, CallableSig, Canonical, CanonicalVarKinds, Cast, ClosureId, - GenericArgData, Interner, ParamKind, QuantifiedWhereClause, Scalar, Substitution, - TraitEnvironment, TraitRefExt, Ty, TyBuilder, TyDefId, TyExt, TyKind, WhereClause, + ConcreteConst, ConstValue, GenericArgData, Interner, ParamKind, QuantifiedWhereClause, Scalar, + Substitution, TraitEnvironment, TraitRefExt, Ty, TyBuilder, TyDefId, TyExt, TyKind, + WhereClause, }; use itertools::Itertools; use nameres::diagnostics::DefDiagnosticKind; @@ -107,7 +109,7 @@ pub use { cfg::{CfgAtom, CfgExpr, CfgOptions}, hir_def::{ adt::StructKind, - attr::{Attr, Attrs, AttrsWithOwner, Documentation}, + attr::{Attrs, AttrsWithOwner, Documentation}, builtin_attr::AttributeTemplate, find_path::PrefixKind, import_map, @@ -122,11 +124,12 @@ pub use { ModuleDefId, }, hir_expand::{ + attrs::Attr, name::{known, Name}, ExpandResult, HirFileId, InFile, MacroFile, Origin, }, hir_ty::{ - display::{HirDisplay, HirWrite}, + display::{HirDisplay, HirDisplayError, HirWrite}, PointerCast, Safety, }, }; @@ -471,8 +474,8 @@ impl Module { let def_map = self.id.def_map(db.upcast()); let children = def_map[self.id.local_id] .children - .iter() - .map(|(_, module_id)| Module { id: def_map.module_id(*module_id) }) + .values() + .map(|module_id| Module { id: def_map.module_id(*module_id) }) .collect::<Vec<_>>(); children.into_iter() } @@ -784,7 +787,7 @@ fn precise_macro_call_location( let token = (|| { let derive_attr = node .doc_comments_and_attrs() - .nth(*derive_attr_index as usize) + .nth(derive_attr_index.ast_index()) .and_then(Either::left)?; let token_tree = derive_attr.meta()?.token_tree()?; let group_by = token_tree @@ -812,9 +815,11 @@ fn precise_macro_call_location( let node = ast_id.to_node(db.upcast()); let attr = node .doc_comments_and_attrs() - .nth((*invoc_attr_index) as usize) + .nth(invoc_attr_index.ast_index()) .and_then(Either::left) - .unwrap_or_else(|| panic!("cannot find attribute #{invoc_attr_index}")); + .unwrap_or_else(|| { + panic!("cannot find attribute #{}", invoc_attr_index.ast_index()) + }); ( ast_id.with_value(SyntaxNodePtr::from(AstPtr::new(&attr))), @@ -920,7 +925,7 @@ impl Struct { } pub fn repr(self, db: &dyn HirDatabase) -> Option<ReprOptions> { - db.struct_data(self.id).repr.clone() + db.struct_data(self.id).repr } pub fn kind(self, db: &dyn HirDatabase) -> StructKind { @@ -1831,7 +1836,7 @@ pub struct Trait { impl Trait { pub fn lang(db: &dyn HirDatabase, krate: Crate, name: &Name) -> Option<Trait> { - db.lang_item(krate.into(), name.to_smol_str()) + db.lang_item(krate.into(), LangItem::from_name(name)?) .and_then(LangItemTarget::as_trait) .map(Into::into) } @@ -2126,7 +2131,7 @@ pub enum AssocItem { Const(Const), TypeAlias(TypeAlias), } -#[derive(Debug)] +#[derive(Debug, Clone)] pub enum AssocItemContainer { Trait(Trait), Impl(Impl), @@ -2160,6 +2165,16 @@ impl AsAssocItem for ModuleDef { } } } +impl AsAssocItem for DefWithBody { + fn as_assoc_item(self, db: &dyn HirDatabase) -> Option<AssocItem> { + match self { + DefWithBody::Function(it) => it.as_assoc_item(db), + DefWithBody::Const(it) => it.as_assoc_item(db), + DefWithBody::Static(_) | DefWithBody::Variant(_) => None, + } + } +} + fn as_assoc_item<ID, DEF, CTOR, AST>(db: &dyn HirDatabase, ctor: CTOR, id: ID) -> Option<AssocItem> where ID: Lookup<Data = AssocItemLoc<AST>>, @@ -2406,7 +2421,7 @@ impl Local { #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] pub struct DeriveHelper { pub(crate) derive: MacroId, - pub(crate) idx: usize, + pub(crate) idx: u32, } impl DeriveHelper { @@ -2416,15 +2431,18 @@ impl DeriveHelper { pub fn name(&self, db: &dyn HirDatabase) -> Name { match self.derive { - MacroId::Macro2Id(it) => { - db.macro2_data(it).helpers.as_deref().and_then(|it| it.get(self.idx)).cloned() - } + MacroId::Macro2Id(it) => db + .macro2_data(it) + .helpers + .as_deref() + .and_then(|it| it.get(self.idx as usize)) + .cloned(), MacroId::MacroRulesId(_) => None, MacroId::ProcMacroId(proc_macro) => db .proc_macro_data(proc_macro) .helpers .as_deref() - .and_then(|it| it.get(self.idx)) + .and_then(|it| it.get(self.idx as usize)) .cloned(), } .unwrap_or_else(|| Name::missing()) @@ -2435,7 +2453,7 @@ impl DeriveHelper { #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] pub struct BuiltinAttr { krate: Option<CrateId>, - idx: usize, + idx: u32, } impl BuiltinAttr { @@ -2444,7 +2462,8 @@ impl BuiltinAttr { if let builtin @ Some(_) = Self::builtin(name) { return builtin; } - let idx = db.crate_def_map(krate.id).registered_attrs().iter().position(|it| it == name)?; + let idx = + db.crate_def_map(krate.id).registered_attrs().iter().position(|it| it == name)? as u32; Some(BuiltinAttr { krate: Some(krate.id), idx }) } @@ -2452,21 +2471,21 @@ impl BuiltinAttr { hir_def::builtin_attr::INERT_ATTRIBUTES .iter() .position(|tool| tool.name == name) - .map(|idx| BuiltinAttr { krate: None, idx }) + .map(|idx| BuiltinAttr { krate: None, idx: idx as u32 }) } pub fn name(&self, db: &dyn HirDatabase) -> SmolStr { // FIXME: Return a `Name` here match self.krate { - Some(krate) => db.crate_def_map(krate).registered_attrs()[self.idx].clone(), - None => SmolStr::new(hir_def::builtin_attr::INERT_ATTRIBUTES[self.idx].name), + Some(krate) => db.crate_def_map(krate).registered_attrs()[self.idx as usize].clone(), + None => SmolStr::new(hir_def::builtin_attr::INERT_ATTRIBUTES[self.idx as usize].name), } } pub fn template(&self, _: &dyn HirDatabase) -> Option<AttributeTemplate> { match self.krate { Some(_) => None, - None => Some(hir_def::builtin_attr::INERT_ATTRIBUTES[self.idx].template), + None => Some(hir_def::builtin_attr::INERT_ATTRIBUTES[self.idx as usize].template), } } } @@ -2474,7 +2493,7 @@ impl BuiltinAttr { #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] pub struct ToolModule { krate: Option<CrateId>, - idx: usize, + idx: u32, } impl ToolModule { @@ -2483,7 +2502,8 @@ impl ToolModule { if let builtin @ Some(_) = Self::builtin(name) { return builtin; } - let idx = db.crate_def_map(krate.id).registered_tools().iter().position(|it| it == name)?; + let idx = + db.crate_def_map(krate.id).registered_tools().iter().position(|it| it == name)? as u32; Some(ToolModule { krate: Some(krate.id), idx }) } @@ -2491,14 +2511,14 @@ impl ToolModule { hir_def::builtin_attr::TOOL_MODULES .iter() .position(|&tool| tool == name) - .map(|idx| ToolModule { krate: None, idx }) + .map(|idx| ToolModule { krate: None, idx: idx as u32 }) } pub fn name(&self, db: &dyn HirDatabase) -> SmolStr { // FIXME: Return a `Name` here match self.krate { - Some(krate) => db.crate_def_map(krate).registered_tools()[self.idx].clone(), - None => SmolStr::new(hir_def::builtin_attr::TOOL_MODULES[self.idx]), + Some(krate) => db.crate_def_map(krate).registered_tools()[self.idx as usize].clone(), + None => SmolStr::new(hir_def::builtin_attr::TOOL_MODULES[self.idx as usize]), } } } @@ -2555,6 +2575,14 @@ impl GenericParam { GenericParam::LifetimeParam(it) => it.name(db), } } + + pub fn parent(self) -> GenericDef { + match self { + GenericParam::TypeParam(it) => it.id.parent().into(), + GenericParam::ConstParam(it) => it.id.parent().into(), + GenericParam::LifetimeParam(it) => it.id.parent.into(), + } + } } #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] @@ -2788,14 +2816,19 @@ impl Impl { all } - // FIXME: the return type is wrong. This should be a hir version of - // `TraitRef` (to account for parameters and qualifiers) pub fn trait_(self, db: &dyn HirDatabase) -> Option<Trait> { - let trait_ref = db.impl_trait(self.id)?.skip_binders().clone(); - let id = hir_ty::from_chalk_trait_id(trait_ref.trait_id); + let trait_ref = db.impl_trait(self.id)?; + let id = trait_ref.skip_binders().hir_trait_id(); Some(Trait { id }) } + pub fn trait_ref(self, db: &dyn HirDatabase) -> Option<TraitRef> { + let substs = TyBuilder::placeholder_subst(db, self.id); + let trait_ref = db.impl_trait(self.id)?.substitute(Interner, &substs); + let resolver = self.id.resolver(db.upcast()); + Some(TraitRef::new_with_resolver(db, &resolver, trait_ref)) + } + pub fn self_ty(self, db: &dyn HirDatabase) -> Type { let resolver = self.id.resolver(db.upcast()); let substs = TyBuilder::placeholder_subst(db, self.id); @@ -2821,6 +2854,48 @@ impl Impl { } } +#[derive(Clone, PartialEq, Eq, Debug, Hash)] +pub struct TraitRef { + env: Arc<TraitEnvironment>, + trait_ref: hir_ty::TraitRef, +} + +impl TraitRef { + pub(crate) fn new_with_resolver( + db: &dyn HirDatabase, + resolver: &Resolver, + trait_ref: hir_ty::TraitRef, + ) -> TraitRef { + let env = resolver.generic_def().map_or_else( + || Arc::new(TraitEnvironment::empty(resolver.krate())), + |d| db.trait_environment(d), + ); + TraitRef { env, trait_ref } + } + + pub fn trait_(&self) -> Trait { + let id = self.trait_ref.hir_trait_id(); + Trait { id } + } + + pub fn self_ty(&self) -> Type { + let ty = self.trait_ref.self_type_parameter(Interner); + Type { env: self.env.clone(), ty } + } + + /// Returns `idx`-th argument of this trait reference if it is a type argument. Note that the + /// first argument is the `Self` type. + pub fn get_type_argument(&self, idx: usize) -> Option<Type> { + self.trait_ref + .substitution + .as_slice(Interner) + .get(idx) + .and_then(|arg| arg.ty(Interner)) + .cloned() + .map(|ty| Type { env: self.env.clone(), ty }) + } +} + #[derive(Clone, PartialEq, Eq, Debug)] pub struct Type { env: Arc<TraitEnvironment>, @@ -2957,7 +3032,7 @@ impl Type { /// This function is used in `.await` syntax completion. pub fn impls_into_future(&self, db: &dyn HirDatabase) -> bool { let trait_ = db - .lang_item(self.env.krate, SmolStr::new_inline("into_future")) + .lang_item(self.env.krate, LangItem::IntoFutureIntoFuture) .and_then(|it| { let into_future_fn = it.as_function()?; let assoc_item = as_assoc_item(db, AssocItem::Function, into_future_fn)?; @@ -2965,8 +3040,7 @@ impl Type { Some(into_future_trait.id) }) .or_else(|| { - let future_trait = - db.lang_item(self.env.krate, SmolStr::new_inline("future_trait"))?; + let future_trait = db.lang_item(self.env.krate, LangItem::Future)?; future_trait.as_trait() }); @@ -3059,9 +3133,9 @@ impl Type { } pub fn is_copy(&self, db: &dyn HirDatabase) -> bool { - let lang_item = db.lang_item(self.env.krate, SmolStr::new_inline("copy")); + let lang_item = db.lang_item(self.env.krate, LangItem::Copy); let copy_trait = match lang_item { - Some(LangItemTarget::TraitId(it)) => it, + Some(LangItemTarget::Trait(it)) => it, _ => return false, }; self.impls_trait(db, copy_trait.into(), &[]) @@ -3088,15 +3162,15 @@ impl Type { } pub fn is_closure(&self) -> bool { - matches!(&self.ty.kind(Interner), TyKind::Closure { .. }) + matches!(self.ty.kind(Interner), TyKind::Closure { .. }) } pub fn is_fn(&self) -> bool { - matches!(&self.ty.kind(Interner), TyKind::FnDef(..) | TyKind::Function { .. }) + matches!(self.ty.kind(Interner), TyKind::FnDef(..) | TyKind::Function { .. }) } pub fn is_array(&self) -> bool { - matches!(&self.ty.kind(Interner), TyKind::Array(..)) + matches!(self.ty.kind(Interner), TyKind::Array(..)) } pub fn is_packed(&self, db: &dyn HirDatabase) -> bool { @@ -3113,10 +3187,12 @@ impl Type { } pub fn is_raw_ptr(&self) -> bool { - matches!(&self.ty.kind(Interner), TyKind::Raw(..)) + matches!(self.ty.kind(Interner), TyKind::Raw(..)) } pub fn contains_unknown(&self) -> bool { + // FIXME: When we get rid of `ConstScalar::Unknown`, we can just look at precomputed + // `TypeFlags` in `TyData`. return go(&self.ty); fn go(ty: &Ty) -> bool { @@ -3182,6 +3258,19 @@ impl Type { } } + pub fn as_array(&self, _db: &dyn HirDatabase) -> Option<(Type, usize)> { + if let TyKind::Array(ty, len) = &self.ty.kind(Interner) { + match len.data(Interner).value { + ConstValue::Concrete(ConcreteConst { interned: ConstScalar::UInt(len) }) => { + Some((self.derived(ty.clone()), len as usize)) + } + _ => None, + } + } else { + None + } + } + pub fn autoderef<'a>(&'a self, db: &'a dyn HirDatabase) -> impl Iterator<Item = Type> + 'a { self.autoderef_(db).map(move |ty| self.derived(ty)) } @@ -3418,10 +3507,9 @@ impl Type { Type { env: self.env.clone(), ty } } + /// Visits every type, including generic arguments, in this type. `cb` is called with type + /// itself first, and then with its generic arguments. pub fn walk(&self, db: &dyn HirDatabase, mut cb: impl FnMut(Type)) { - // TypeWalk::walk for a Ty at first visits parameters and only after that the Ty itself. - // We need a different order here. - fn walk_substs( db: &dyn HirDatabase, type_: &Type, @@ -3534,6 +3622,14 @@ impl Type { _ => None, } } + + /// Returns unique `GenericParam`s contained in this type. + pub fn generic_params(&self, db: &dyn HirDatabase) -> FxHashSet<GenericParam> { + hir_ty::collect_placeholders(&self.ty, db) + .into_iter() + .map(|id| TypeOrConstParam { id }.split(db).either_into()) + .collect() + } } #[derive(Debug)] diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics.rs b/src/tools/rust-analyzer/crates/hir/src/semantics.rs index e0d26103915..486b7ee62ed 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics.rs @@ -1319,10 +1319,7 @@ impl<'db> SemanticsImpl<'db> { let _p = profile::span("Semantics::analyze_impl"); let node = self.find_file(node); - let container = match self.with_ctx(|ctx| ctx.find_container(node)) { - Some(it) => it, - None => return None, - }; + let container = self.with_ctx(|ctx| ctx.find_container(node))?; let resolver = match container { ChildContainer::DefWithBodyId(def) => { @@ -1472,14 +1469,7 @@ impl<'db> SemanticsImpl<'db> { } fn is_inside_unsafe(&self, expr: &ast::Expr) -> bool { - let item_or_variant = |ancestor: SyntaxNode| { - if ast::Item::can_cast(ancestor.kind()) { - ast::Item::cast(ancestor).map(Either::Left) - } else { - ast::Variant::cast(ancestor).map(Either::Right) - } - }; - let Some(enclosing_item) = expr.syntax().ancestors().find_map(item_or_variant) else { return false }; + let Some(enclosing_item) = expr.syntax().ancestors().find_map(Either::<ast::Item, ast::Variant>::cast) else { return false }; let def = match &enclosing_item { Either::Left(ast::Item::Fn(it)) if it.unsafe_token().is_some() => return true, @@ -1589,7 +1579,7 @@ fn find_root(node: &SyntaxNode) -> SyntaxNode { node.ancestors().last().unwrap() } -/// `SemanticScope` encapsulates the notion of a scope (the set of visible +/// `SemanticsScope` encapsulates the notion of a scope (the set of visible /// names) at a particular program point. /// /// It is a bit tricky, as scopes do not really exist inside the compiler. diff --git a/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs b/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs index fa45e3c12eb..2b5bfda1d43 100644 --- a/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs +++ b/src/tools/rust-analyzer/crates/hir/src/semantics/source_to_def.rs @@ -87,7 +87,6 @@ use base_db::FileId; use hir_def::{ - attr::AttrId, child_by_source::ChildBySource, dyn_map::DynMap, expr::{LabelId, PatId}, @@ -96,7 +95,7 @@ use hir_def::{ GenericDefId, GenericParamId, ImplId, LifetimeParamId, MacroId, ModuleId, StaticId, StructId, TraitId, TypeAliasId, TypeParamId, UnionId, VariantId, }; -use hir_expand::{name::AsName, HirFileId, MacroCallId}; +use hir_expand::{attrs::AttrId, name::AsName, HirFileId, MacroCallId}; use rustc_hash::FxHashMap; use smallvec::SmallVec; use stdx::impl_from; diff --git a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs index 059b80bcf13..3b39e9fa919 100644 --- a/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs +++ b/src/tools/rust-analyzer/crates/hir/src/source_analyzer.rs @@ -17,6 +17,7 @@ use hir_def::{ Body, BodySourceMap, }, expr::{ExprId, Pat, PatId}, + lang_item::LangItem, macro_id_to_def_id, path::{ModPath, Path, PathKind}, resolver::{resolver_for_scope, Resolver, TypeNs, ValueNs}, @@ -37,7 +38,7 @@ use hir_ty::{ record_literal_missing_fields, record_pattern_missing_fields, unsafe_expressions, UnsafeExpr, }, - method_resolution::{self, lang_names_for_bin_op}, + method_resolution::{self, lang_items_for_bin_op}, Adjustment, InferenceResult, Interner, Substitution, Ty, TyExt, TyKind, TyLoweringContext, }; use itertools::Itertools; @@ -294,12 +295,8 @@ impl SourceAnalyzer { } } - let future_trait = db - .lang_item(self.resolver.krate(), hir_expand::name![future_trait].to_smol_str())? - .as_trait()?; - let poll_fn = db - .lang_item(self.resolver.krate(), hir_expand::name![poll].to_smol_str())? - .as_function()?; + let future_trait = db.lang_item(self.resolver.krate(), LangItem::Future)?.as_trait()?; + let poll_fn = db.lang_item(self.resolver.krate(), LangItem::FuturePoll)?.as_function()?; // HACK: subst for `poll()` coincides with that for `Future` because `poll()` itself // doesn't have any generic parameters, so we skip building another subst for `poll()`. let substs = hir_ty::TyBuilder::subst_for_def(db, future_trait, None).push(ty).build(); @@ -311,14 +308,14 @@ impl SourceAnalyzer { db: &dyn HirDatabase, prefix_expr: &ast::PrefixExpr, ) -> Option<FunctionId> { - let lang_item_name = match prefix_expr.op_kind()? { - ast::UnaryOp::Deref => name![deref], - ast::UnaryOp::Not => name![not], - ast::UnaryOp::Neg => name![neg], + let (lang_item, fn_name) = match prefix_expr.op_kind()? { + ast::UnaryOp::Deref => (LangItem::Deref, name![deref]), + ast::UnaryOp::Not => (LangItem::Not, name![not]), + ast::UnaryOp::Neg => (LangItem::Neg, name![neg]), }; let ty = self.ty_of_expr(db, &prefix_expr.expr()?)?; - let (op_trait, op_fn) = self.lang_trait_fn(db, &lang_item_name, &lang_item_name)?; + let (op_trait, op_fn) = self.lang_trait_fn(db, lang_item, &fn_name)?; // HACK: subst for all methods coincides with that for their trait because the methods // don't have any generic parameters, so we skip building another subst for the methods. let substs = hir_ty::TyBuilder::subst_for_def(db, op_trait, None).push(ty.clone()).build(); @@ -334,9 +331,7 @@ impl SourceAnalyzer { let base_ty = self.ty_of_expr(db, &index_expr.base()?)?; let index_ty = self.ty_of_expr(db, &index_expr.index()?)?; - let lang_item_name = name![index]; - - let (op_trait, op_fn) = self.lang_trait_fn(db, &lang_item_name, &lang_item_name)?; + let (op_trait, op_fn) = self.lang_trait_fn(db, LangItem::Index, &name![index])?; // HACK: subst for all methods coincides with that for their trait because the methods // don't have any generic parameters, so we skip building another subst for the methods. let substs = hir_ty::TyBuilder::subst_for_def(db, op_trait, None) @@ -355,8 +350,8 @@ impl SourceAnalyzer { let lhs = self.ty_of_expr(db, &binop_expr.lhs()?)?; let rhs = self.ty_of_expr(db, &binop_expr.rhs()?)?; - let (op_trait, op_fn) = lang_names_for_bin_op(op) - .and_then(|(name, lang_item)| self.lang_trait_fn(db, &lang_item, &name))?; + let (op_trait, op_fn) = lang_items_for_bin_op(op) + .and_then(|(name, lang_item)| self.lang_trait_fn(db, lang_item, &name))?; // HACK: subst for `index()` coincides with that for `Index` because `index()` itself // doesn't have any generic parameters, so we skip building another subst for `index()`. let substs = hir_ty::TyBuilder::subst_for_def(db, op_trait, None) @@ -374,8 +369,7 @@ impl SourceAnalyzer { ) -> Option<FunctionId> { let ty = self.ty_of_expr(db, &try_expr.expr()?)?; - let op_fn = - db.lang_item(self.resolver.krate(), name![branch].to_smol_str())?.as_function()?; + let op_fn = db.lang_item(self.resolver.krate(), LangItem::TryTraitBranch)?.as_function()?; let op_trait = match op_fn.lookup(db.upcast()).container { ItemContainerId::TraitId(id) => id, _ => return None, @@ -504,7 +498,7 @@ impl SourceAnalyzer { AssocItemId::ConstId(const_id) => { self.resolve_impl_const_or_trait_def(db, const_id, subs).into() } - _ => assoc, + assoc => assoc, }; return Some(PathResolution::Def(AssocItem::from(assoc).into())); @@ -517,7 +511,13 @@ impl SourceAnalyzer { prefer_value_ns = true; } else if let Some(path_pat) = parent().and_then(ast::PathPat::cast) { let pat_id = self.pat_id(&path_pat.into())?; - if let Some((assoc, _)) = infer.assoc_resolutions_for_pat(pat_id) { + if let Some((assoc, subs)) = infer.assoc_resolutions_for_pat(pat_id) { + let assoc = match assoc { + AssocItemId::ConstId(const_id) => { + self.resolve_impl_const_or_trait_def(db, const_id, subs).into() + } + assoc => assoc, + }; return Some(PathResolution::Def(AssocItem::from(assoc).into())); } if let Some(VariantId::EnumVariantId(variant)) = @@ -628,7 +628,7 @@ impl SourceAnalyzer { { return Some(PathResolution::DeriveHelper(DeriveHelper { derive: *macro_id, - idx, + idx: idx as u32, })); } } @@ -815,10 +815,10 @@ impl SourceAnalyzer { fn lang_trait_fn( &self, db: &dyn HirDatabase, - lang_trait: &Name, + lang_trait: LangItem, method_name: &Name, ) -> Option<(TraitId, FunctionId)> { - let trait_id = db.lang_item(self.resolver.krate(), lang_trait.to_smol_str())?.as_trait()?; + let trait_id = db.lang_item(self.resolver.krate(), lang_trait)?.as_trait()?; let fn_id = db.trait_data(trait_id).method_by_name(method_name)?; Some((trait_id, fn_id)) } diff --git a/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml b/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml index b9260473b12..3954abfdb7c 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-assists/Cargo.toml @@ -2,9 +2,11 @@ name = "ide-assists" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -16,17 +18,20 @@ itertools = "0.10.5" either = "1.7.0" smallvec = "1.10.0" -stdx = { path = "../stdx", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -text-edit = { path = "../text-edit", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -ide-db = { path = "../ide-db", version = "0.0.0" } -hir = { path = "../hir", version = "0.0.0" } +# local deps +stdx.workspace = true +syntax.workspace = true +text-edit.workspace = true +profile.workspace = true +ide-db.workspace = true +hir.workspace = true [dev-dependencies] -test-utils = { path = "../test-utils" } -sourcegen = { path = "../sourcegen" } expect-test = "1.4.0" +# local deps +test-utils.workspace = true +sourcegen.workspace = true + [features] in-rust-tree = [] diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_braces.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_braces.rs new file mode 100644 index 00000000000..2f4a263ee07 --- /dev/null +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_braces.rs @@ -0,0 +1,155 @@ +use syntax::{ + ast::{self, edit::AstNodeEdit, make}, + AstNode, +}; + +use crate::{AssistContext, AssistId, AssistKind, Assists}; + +// Assist: add_braces +// +// Adds braces to lambda and match arm expressions. +// +// ``` +// fn foo(n: i32) -> i32 { +// match n { +// 1 =>$0 n + 1, +// _ => 0 +// } +// } +// ``` +// -> +// ``` +// fn foo(n: i32) -> i32 { +// match n { +// 1 => { +// n + 1 +// }, +// _ => 0 +// } +// } +// ``` +pub(crate) fn add_braces(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { + let (expr_type, expr) = get_replacement_node(ctx)?; + + acc.add( + AssistId("add_braces", AssistKind::RefactorRewrite), + match expr_type { + ParentType::ClosureExpr => "Add braces to closure body", + ParentType::MatchArmExpr => "Add braces to arm expression", + }, + expr.syntax().text_range(), + |builder| { + let block_expr = AstNodeEdit::indent( + &make::block_expr(None, Some(expr.clone())), + AstNodeEdit::indent_level(&expr), + ); + + builder.replace(expr.syntax().text_range(), block_expr.syntax().text()); + }, + ) +} + +enum ParentType { + MatchArmExpr, + ClosureExpr, +} + +fn get_replacement_node(ctx: &AssistContext<'_>) -> Option<(ParentType, ast::Expr)> { + if let Some(match_arm) = ctx.find_node_at_offset::<ast::MatchArm>() { + let match_arm_expr = match_arm.expr()?; + + if matches!(match_arm_expr, ast::Expr::BlockExpr(_)) { + return None; + } + + return Some((ParentType::MatchArmExpr, match_arm_expr)); + } else if let Some(closure_expr) = ctx.find_node_at_offset::<ast::ClosureExpr>() { + let body = closure_expr.body()?; + + if matches!(body, ast::Expr::BlockExpr(_)) { + return None; + } + + return Some((ParentType::ClosureExpr, body)); + } + + None +} + +#[cfg(test)] +mod tests { + use crate::tests::{check_assist, check_assist_not_applicable}; + + use super::*; + + #[test] + fn suggest_add_braces_for_closure() { + check_assist( + add_braces, + r#" +fn foo() { + t(|n|$0 n + 100); +} +"#, + r#" +fn foo() { + t(|n| { + n + 100 + }); +} +"#, + ); + } + + #[test] + fn no_assist_for_closures_with_braces() { + check_assist_not_applicable( + add_braces, + r#" +fn foo() { + t(|n|$0 { n + 100 }); +} +"#, + ); + } + + #[test] + fn suggest_add_braces_for_match() { + check_assist( + add_braces, + r#" +fn foo() { + match n { + Some(n) $0=> 29, + _ => () + }; +} +"#, + r#" +fn foo() { + match n { + Some(n) => { + 29 + }, + _ => () + }; +} +"#, + ); + } + + #[test] + fn no_assist_for_match_with_braces() { + check_assist_not_applicable( + add_braces, + r#" +fn foo() { + match n { + Some(n) $0=> { return 29; }, + _ => () + }; +} +"#, + ); + } +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_impl_members.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_impl_members.rs index 161bcc5c8da..4e11b31deb0 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_impl_members.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_impl_members.rs @@ -1,7 +1,5 @@ use hir::HasSource; -use ide_db::{ - syntax_helpers::insert_whitespace_into_node::insert_ws_into, traits::resolve_target_trait, -}; +use ide_db::syntax_helpers::insert_whitespace_into_node::insert_ws_into; use syntax::ast::{self, make, AstNode}; use crate::{ @@ -107,16 +105,19 @@ fn add_missing_impl_members_inner( ) -> Option<()> { let _p = profile::span("add_missing_impl_members_inner"); let impl_def = ctx.find_node_at_offset::<ast::Impl>()?; + let impl_ = ctx.sema.to_def(&impl_def)?; if ctx.token_at_offset().all(|t| { t.parent_ancestors() + .take_while(|node| node != impl_def.syntax()) .any(|s| ast::BlockExpr::can_cast(s.kind()) || ast::ParamList::can_cast(s.kind())) }) { return None; } let target_scope = ctx.sema.scope(impl_def.syntax())?; - let trait_ = resolve_target_trait(&ctx.sema, &impl_def)?; + let trait_ref = impl_.trait_ref(ctx.db())?; + let trait_ = trait_ref.trait_(); let missing_items = filter_assoc_items( &ctx.sema, @@ -155,7 +156,7 @@ fn add_missing_impl_members_inner( let placeholder; if let DefaultMethods::No = mode { if let ast::AssocItem::Fn(func) = &first_new_item { - if try_gen_trait_body(ctx, func, &trait_, &impl_def).is_none() { + if try_gen_trait_body(ctx, func, trait_ref, &impl_def).is_none() { if let Some(m) = func.syntax().descendants().find_map(ast::MacroCall::cast) { @@ -180,13 +181,13 @@ fn add_missing_impl_members_inner( fn try_gen_trait_body( ctx: &AssistContext<'_>, func: &ast::Fn, - trait_: &hir::Trait, + trait_ref: hir::TraitRef, impl_def: &ast::Impl, ) -> Option<()> { - let trait_path = make::ext::ident_path(&trait_.name(ctx.db()).to_string()); + let trait_path = make::ext::ident_path(&trait_ref.trait_().name(ctx.db()).to_string()); let hir_ty = ctx.sema.resolve_type(&impl_def.self_ty()?)?; let adt = hir_ty.as_adt()?.source(ctx.db())?; - gen_trait_fn_body(func, &trait_path, &adt.value) + gen_trait_fn_body(func, &trait_path, &adt.value, Some(trait_ref)) } #[cfg(test)] @@ -1353,6 +1354,50 @@ impl PartialEq for SomeStruct { } #[test] + fn test_partial_eq_body_when_types_semantically_match() { + check_assist( + add_missing_impl_members, + r#" +//- minicore: eq +struct S<T, U>(T, U); +type Alias<T> = S<T, T>; +impl<T> PartialEq<Alias<T>> for S<T, T> {$0} +"#, + r#" +struct S<T, U>(T, U); +type Alias<T> = S<T, T>; +impl<T> PartialEq<Alias<T>> for S<T, T> { + $0fn eq(&self, other: &Alias<T>) -> bool { + self.0 == other.0 && self.1 == other.1 + } +} +"#, + ); + } + + #[test] + fn test_partial_eq_body_when_types_dont_match() { + check_assist( + add_missing_impl_members, + r#" +//- minicore: eq +struct S<T, U>(T, U); +type Alias<T> = S<T, T>; +impl<T> PartialEq<Alias<T>> for S<T, i32> {$0} +"#, + r#" +struct S<T, U>(T, U); +type Alias<T> = S<T, T>; +impl<T> PartialEq<Alias<T>> for S<T, i32> { + fn eq(&self, other: &Alias<T>) -> bool { + ${0:todo!()} + } +} +"#, + ); + } + + #[test] fn test_ignore_function_body() { check_assist_not_applicable( add_missing_default_members, @@ -1442,4 +1487,35 @@ impl Trait for () { }"#, ) } + + #[test] + fn test_works_inside_function() { + check_assist( + add_missing_impl_members, + r#" +trait Tr { + fn method(); +} +fn main() { + struct S; + impl Tr for S { + $0 + } +} +"#, + r#" +trait Tr { + fn method(); +} +fn main() { + struct S; + impl Tr for S { + fn method() { + ${0:todo!()} + } + } +} +"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_match_arms.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_match_arms.rs index 8e4ac69ae6f..5d81e8cfeac 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_match_arms.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/add_missing_match_arms.rs @@ -140,6 +140,31 @@ pub(crate) fn add_missing_match_arms(acc: &mut Assists, ctx: &AssistContext<'_>) }) .filter(|(variant_pat, _)| is_variant_missing(&top_lvl_pats, variant_pat)); ((Box::new(missing_pats) as Box<dyn Iterator<Item = _>>).peekable(), is_non_exhaustive) + } else if let Some((enum_def, len)) = resolve_array_of_enum_def(&ctx.sema, &expr) { + let is_non_exhaustive = enum_def.is_non_exhaustive(ctx.db(), module.krate()); + let variants = enum_def.variants(ctx.db()); + + if len.pow(variants.len() as u32) > 256 { + return None; + } + + let variants_of_enums = vec![variants.clone(); len]; + + let missing_pats = variants_of_enums + .into_iter() + .multi_cartesian_product() + .inspect(|_| cov_mark::hit!(add_missing_match_arms_lazy_computation)) + .map(|variants| { + let is_hidden = variants + .iter() + .any(|variant| variant.should_be_hidden(ctx.db(), module.krate())); + let patterns = variants.into_iter().filter_map(|variant| { + build_pat(ctx.db(), module, variant.clone(), ctx.config.prefer_no_std) + }); + (ast::Pat::from(make::slice_pat(patterns)), is_hidden) + }) + .filter(|(variant_pat, _)| is_variant_missing(&top_lvl_pats, variant_pat)); + ((Box::new(missing_pats) as Box<dyn Iterator<Item = _>>).peekable(), is_non_exhaustive) } else { return None; }; @@ -266,9 +291,13 @@ fn is_variant_missing(existing_pats: &[Pat], var: &Pat) -> bool { fn does_pat_match_variant(pat: &Pat, var: &Pat) -> bool { match (pat, var) { (Pat::WildcardPat(_), _) => true, + (Pat::SlicePat(spat), Pat::SlicePat(svar)) => { + spat.pats().zip(svar.pats()).all(|(p, v)| does_pat_match_variant(&p, &v)) + } (Pat::TuplePat(tpat), Pat::TuplePat(tvar)) => { tpat.fields().zip(tvar.fields()).all(|(p, v)| does_pat_match_variant(&p, &v)) } + (Pat::OrPat(opat), _) => opat.pats().any(|p| does_pat_match_variant(&p, var)), _ => utils::does_pat_match_variant(pat, var), } } @@ -279,7 +308,7 @@ enum ExtendedEnum { Enum(hir::Enum), } -#[derive(Eq, PartialEq, Clone, Copy)] +#[derive(Eq, PartialEq, Clone, Copy, Debug)] enum ExtendedVariant { True, False, @@ -339,15 +368,30 @@ fn resolve_tuple_of_enum_def( .tuple_fields(sema.db) .iter() .map(|ty| { - ty.autoderef(sema.db).find_map(|ty| match ty.as_adt() { - Some(Adt::Enum(e)) => Some(lift_enum(e)), - // For now we only handle expansion for a tuple of enums. Here - // we map non-enum items to None and rely on `collect` to - // convert Vec<Option<hir::Enum>> into Option<Vec<hir::Enum>>. - _ => ty.is_bool().then_some(ExtendedEnum::Bool), + ty.autoderef(sema.db).find_map(|ty| { + match ty.as_adt() { + Some(Adt::Enum(e)) => Some(lift_enum(e)), + // For now we only handle expansion for a tuple of enums. Here + // we map non-enum items to None and rely on `collect` to + // convert Vec<Option<hir::Enum>> into Option<Vec<hir::Enum>>. + _ => ty.is_bool().then_some(ExtendedEnum::Bool), + } }) }) - .collect() + .collect::<Option<Vec<ExtendedEnum>>>() + .and_then(|list| if list.is_empty() { None } else { Some(list) }) +} + +fn resolve_array_of_enum_def( + sema: &Semantics<'_, RootDatabase>, + expr: &ast::Expr, +) -> Option<(ExtendedEnum, usize)> { + sema.type_of_expr(expr)?.adjusted().as_array(sema.db).and_then(|(ty, len)| { + ty.autoderef(sema.db).find_map(|ty| match ty.as_adt() { + Some(Adt::Enum(e)) => Some((lift_enum(e), len)), + _ => ty.is_bool().then_some((ExtendedEnum::Bool, len)), + }) + }) } fn build_pat( @@ -376,7 +420,6 @@ fn build_pat( } ast::StructKind::Unit => make::path_pat(path), }; - Some(pat) } ExtendedVariant::True => Some(ast::Pat::from(make::literal_pat("true"))), @@ -526,6 +569,19 @@ fn foo(a: bool) { r#" fn foo(a: bool) { match (a, a)$0 { + (true | false, true) => {} + (true, false) => {} + (false, false) => {} + } +} +"#, + ); + + check_assist_not_applicable( + add_missing_match_arms, + r#" +fn foo(a: bool) { + match (a, a)$0 { (true, true) => {} (true, false) => {} (false, true) => {} @@ -560,12 +616,112 @@ fn foo(a: bool) { } #[test] + fn fill_boolean_array() { + check_assist( + add_missing_match_arms, + r#" +fn foo(a: bool) { + match [a]$0 { + } +} +"#, + r#" +fn foo(a: bool) { + match [a] { + $0[true] => todo!(), + [false] => todo!(), + } +} +"#, + ); + + check_assist( + add_missing_match_arms, + r#" +fn foo(a: bool) { + match [a,]$0 { + } +} +"#, + r#" +fn foo(a: bool) { + match [a,] { + $0[true] => todo!(), + [false] => todo!(), + } +} +"#, + ); + + check_assist( + add_missing_match_arms, + r#" +fn foo(a: bool) { + match [a, a]$0 { + [true, true] => todo!(), + } +} +"#, + r#" +fn foo(a: bool) { + match [a, a] { + [true, true] => todo!(), + $0[true, false] => todo!(), + [false, true] => todo!(), + [false, false] => todo!(), + } +} +"#, + ); + + check_assist( + add_missing_match_arms, + r#" +fn foo(a: bool) { + match [a, a]$0 { + } +} +"#, + r#" +fn foo(a: bool) { + match [a, a] { + $0[true, true] => todo!(), + [true, false] => todo!(), + [false, true] => todo!(), + [false, false] => todo!(), + } +} +"#, + ) + } + + #[test] fn partial_fill_boolean_tuple() { check_assist( add_missing_match_arms, r#" fn foo(a: bool) { match (a, a)$0 { + (true | false, true) => {} + } +} +"#, + r#" +fn foo(a: bool) { + match (a, a) { + (true | false, true) => {} + $0(true, false) => todo!(), + (false, false) => todo!(), + } +} +"#, + ); + + check_assist( + add_missing_match_arms, + r#" +fn foo(a: bool) { + match (a, a)$0 { (false, true) => {} } } @@ -882,6 +1038,33 @@ fn main() { } "#, ); + + check_assist( + add_missing_match_arms, + r#" +enum E { A, B, C } +fn main() { + use E::*; + match (A, B, C)$0 { + (A | B , A, A | B | C) => (), + (A | B | C , B | C, A | B | C) => (), + } +} +"#, + r#" +enum E { A, B, C } +fn main() { + use E::*; + match (A, B, C) { + (A | B , A, A | B | C) => (), + (A | B | C , B | C, A | B | C) => (), + $0(C, A, A) => todo!(), + (C, A, B) => todo!(), + (C, A, C) => todo!(), + } +} +"#, + ) } #[test] diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_comment_block.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_comment_block.rs index 312cb65abd2..1acd5ee9728 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_comment_block.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_comment_block.rs @@ -107,7 +107,7 @@ fn line_to_block(acc: &mut Assists, comment: ast::Comment) -> Option<()> { /// The line -> block assist can be invoked from anywhere within a sequence of line comments. /// relevant_line_comments crawls backwards and forwards finding the complete sequence of comments that will /// be joined. -fn relevant_line_comments(comment: &ast::Comment) -> Vec<Comment> { +pub(crate) fn relevant_line_comments(comment: &ast::Comment) -> Vec<Comment> { // The prefix identifies the kind of comment we're dealing with let prefix = comment.prefix(); let same_prefix = |c: &ast::Comment| c.prefix() == prefix; @@ -159,7 +159,7 @@ fn relevant_line_comments(comment: &ast::Comment) -> Vec<Comment> { // */ // // But since such comments aren't idiomatic we're okay with this. -fn line_comment_text(indentation: IndentLevel, comm: ast::Comment) -> String { +pub(crate) fn line_comment_text(indentation: IndentLevel, comm: ast::Comment) -> String { let contents_without_prefix = comm.text().strip_prefix(comm.prefix()).unwrap(); let contents = contents_without_prefix.strip_prefix(' ').unwrap_or(contents_without_prefix); diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs index 5bf04a3ad37..65c2479e9f2 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_match_to_let_else.rs @@ -30,24 +30,23 @@ use crate::{ // ``` pub(crate) fn convert_match_to_let_else(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { let let_stmt: ast::LetStmt = ctx.find_node_at_offset()?; - let binding = find_binding(let_stmt.pat()?)?; + let binding = let_stmt.pat()?; - let initializer = match let_stmt.initializer() { - Some(ast::Expr::MatchExpr(it)) => it, - _ => return None, - }; + let Some(ast::Expr::MatchExpr(initializer)) = let_stmt.initializer() else { return None }; let initializer_expr = initializer.expr()?; - let (extracting_arm, diverging_arm) = match find_arms(ctx, &initializer) { - Some(it) => it, - None => return None, - }; + let Some((extracting_arm, diverging_arm)) = find_arms(ctx, &initializer) else { return None }; if extracting_arm.guard().is_some() { cov_mark::hit!(extracting_arm_has_guard); return None; } - let diverging_arm_expr = diverging_arm.expr()?; + let diverging_arm_expr = match diverging_arm.expr()? { + ast::Expr::BlockExpr(block) if block.modifier().is_none() && block.label().is_none() => { + block.to_string() + } + other => format!("{{ {other} }}"), + }; let extracting_arm_pat = extracting_arm.pat()?; let extracted_variable = find_extracted_variable(ctx, &extracting_arm)?; @@ -56,24 +55,16 @@ pub(crate) fn convert_match_to_let_else(acc: &mut Assists, ctx: &AssistContext<' "Convert match to let-else", let_stmt.syntax().text_range(), |builder| { - let extracting_arm_pat = rename_variable(&extracting_arm_pat, extracted_variable, binding); + let extracting_arm_pat = + rename_variable(&extracting_arm_pat, extracted_variable, binding); builder.replace( let_stmt.syntax().text_range(), - format!("let {extracting_arm_pat} = {initializer_expr} else {{ {diverging_arm_expr} }};") + format!("let {extracting_arm_pat} = {initializer_expr} else {diverging_arm_expr};"), ) }, ) } -// Given a pattern, find the name introduced to the surrounding scope. -fn find_binding(pat: ast::Pat) -> Option<ast::IdentPat> { - if let ast::Pat::IdentPat(ident) = pat { - Some(ident) - } else { - None - } -} - // Given a match expression, find extracting and diverging arms. fn find_arms( ctx: &AssistContext<'_>, @@ -87,7 +78,7 @@ fn find_arms( let mut extracting = None; let mut diverging = None; for arm in arms { - if ctx.sema.type_of_expr(&arm.expr().unwrap()).unwrap().original().is_never() { + if ctx.sema.type_of_expr(&arm.expr()?)?.original().is_never() { diverging = Some(arm); } else { extracting = Some(arm); @@ -124,7 +115,7 @@ fn find_extracted_variable(ctx: &AssistContext<'_>, arm: &ast::MatchArm) -> Opti } // Rename `extracted` with `binding` in `pat`. -fn rename_variable(pat: &ast::Pat, extracted: ast::Name, binding: ast::IdentPat) -> SyntaxNode { +fn rename_variable(pat: &ast::Pat, extracted: ast::Name, binding: ast::Pat) -> SyntaxNode { let syntax = pat.syntax().clone_for_update(); let extracted_syntax = syntax.covering_element(extracted.syntax().text_range()); @@ -136,7 +127,7 @@ fn rename_variable(pat: &ast::Pat, extracted: ast::Name, binding: ast::IdentPat) if let Some(name_ref) = record_pat_field.field_name() { ted::replace( record_pat_field.syntax(), - ast::make::record_pat_field(ast::make::name_ref(&name_ref.text()), binding.into()) + ast::make::record_pat_field(ast::make::name_ref(&name_ref.text()), binding) .syntax() .clone_for_update(), ); @@ -410,4 +401,52 @@ fn foo(opt: Option<i32>) -> Option<i32> { "#, ); } + + #[test] + fn complex_pattern() { + check_assist( + convert_match_to_let_else, + r#" +//- minicore: option +fn f() { + let (x, y) = $0match Some((0, 1)) { + Some(it) => it, + None => return, + }; +} +"#, + r#" +fn f() { + let Some((x, y)) = Some((0, 1)) else { return }; +} +"#, + ); + } + + #[test] + fn diverging_block() { + check_assist( + convert_match_to_let_else, + r#" +//- minicore: option +fn f() { + let x = $0match Some(()) { + Some(it) => it, + None => {//comment + println!("nope"); + return + }, + }; +} +"#, + r#" +fn f() { + let Some(x) = Some(()) else {//comment + println!("nope"); + return + }; +} +"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs index 8d11e0bac94..9dc1da2461a 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_named_struct_to_tuple_struct.rs @@ -52,10 +52,7 @@ pub(crate) fn convert_named_struct_to_tuple_struct( acc: &mut Assists, ctx: &AssistContext<'_>, ) -> Option<()> { - let strukt = ctx - .find_node_at_offset::<ast::Struct>() - .map(Either::Left) - .or_else(|| ctx.find_node_at_offset::<ast::Variant>().map(Either::Right))?; + let strukt = ctx.find_node_at_offset::<Either<ast::Struct, ast::Variant>>()?; let field_list = strukt.as_ref().either(|s| s.field_list(), |v| v.field_list())?; let record_fields = match field_list { ast::FieldList::RecordFieldList(it) => it, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_tuple_struct_to_named_struct.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_tuple_struct_to_named_struct.rs index b0383291e73..772e032fb29 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_tuple_struct_to_named_struct.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/convert_tuple_struct_to_named_struct.rs @@ -50,10 +50,7 @@ pub(crate) fn convert_tuple_struct_to_named_struct( acc: &mut Assists, ctx: &AssistContext<'_>, ) -> Option<()> { - let strukt = ctx - .find_node_at_offset::<ast::Struct>() - .map(Either::Left) - .or_else(|| ctx.find_node_at_offset::<ast::Variant>().map(Either::Right))?; + let strukt = ctx.find_node_at_offset::<Either<ast::Struct, ast::Variant>>()?; let field_list = strukt.as_ref().either(|s| s.field_list(), |v| v.field_list())?; let tuple_fields = match field_list { ast::FieldList::TupleFieldList(it) => it, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/desugar_doc_comment.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/desugar_doc_comment.rs new file mode 100644 index 00000000000..226a5dd9fa8 --- /dev/null +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/desugar_doc_comment.rs @@ -0,0 +1,312 @@ +use either::Either; +use itertools::Itertools; +use syntax::{ + ast::{self, edit::IndentLevel, CommentPlacement, Whitespace}, + AstToken, TextRange, +}; + +use crate::{ + handlers::convert_comment_block::{line_comment_text, relevant_line_comments}, + utils::required_hashes, + AssistContext, AssistId, AssistKind, Assists, +}; + +// Assist: desugar_doc_comment +// +// Desugars doc-comments to the attribute form. +// +// ``` +// /// Multi-line$0 +// /// comment +// ``` +// -> +// ``` +// #[doc = r"Multi-line +// comment"] +// ``` +pub(crate) fn desugar_doc_comment(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { + let comment = ctx.find_token_at_offset::<ast::Comment>()?; + // Only allow doc comments + let Some(placement) = comment.kind().doc else { return None; }; + + // Only allow comments which are alone on their line + if let Some(prev) = comment.syntax().prev_token() { + if Whitespace::cast(prev).filter(|w| w.text().contains('\n')).is_none() { + return None; + } + } + + let indentation = IndentLevel::from_token(comment.syntax()).to_string(); + + let (target, comments) = match comment.kind().shape { + ast::CommentShape::Block => (comment.syntax().text_range(), Either::Left(comment)), + ast::CommentShape::Line => { + // Find all the comments we'll be desugaring + let comments = relevant_line_comments(&comment); + + // Establish the target of our edit based on the comments we found + ( + TextRange::new( + comments[0].syntax().text_range().start(), + comments.last().unwrap().syntax().text_range().end(), + ), + Either::Right(comments), + ) + } + }; + + acc.add( + AssistId("desugar_doc_comment", AssistKind::RefactorRewrite), + "Desugar doc-comment to attribute macro", + target, + |edit| { + let text = match comments { + Either::Left(comment) => { + let text = comment.text(); + text[comment.prefix().len()..(text.len() - "*/".len())] + .trim() + .lines() + .map(|l| l.strip_prefix(&indentation).unwrap_or(l)) + .join("\n") + } + Either::Right(comments) => { + comments.into_iter().map(|c| line_comment_text(IndentLevel(0), c)).join("\n") + } + }; + + let hashes = "#".repeat(required_hashes(&text)); + + let prefix = match placement { + CommentPlacement::Inner => "#!", + CommentPlacement::Outer => "#", + }; + + let output = format!(r#"{prefix}[doc = r{hashes}"{text}"{hashes}]"#); + + edit.replace(target, output) + }, + ) +} + +#[cfg(test)] +mod tests { + use crate::tests::{check_assist, check_assist_not_applicable}; + + use super::*; + + #[test] + fn single_line() { + check_assist( + desugar_doc_comment, + r#" +/// line$0 comment +fn main() { + foo(); +} +"#, + r#" +#[doc = r"line comment"] +fn main() { + foo(); +} +"#, + ); + check_assist( + desugar_doc_comment, + r#" +//! line$0 comment +fn main() { + foo(); +} +"#, + r#" +#![doc = r"line comment"] +fn main() { + foo(); +} +"#, + ); + } + + #[test] + fn single_line_indented() { + check_assist( + desugar_doc_comment, + r#" +fn main() { + /// line$0 comment + struct Foo; +} +"#, + r#" +fn main() { + #[doc = r"line comment"] + struct Foo; +} +"#, + ); + } + + #[test] + fn multiline() { + check_assist( + desugar_doc_comment, + r#" +fn main() { + /// above + /// line$0 comment + /// + /// below + struct Foo; +} +"#, + r#" +fn main() { + #[doc = r"above +line comment + +below"] + struct Foo; +} +"#, + ); + } + + #[test] + fn end_of_line() { + check_assist_not_applicable( + desugar_doc_comment, + r#" +fn main() { /// end-of-line$0 comment + struct Foo; +} +"#, + ); + } + + #[test] + fn single_line_different_kinds() { + check_assist( + desugar_doc_comment, + r#" +fn main() { + //! different prefix + /// line$0 comment + /// below + struct Foo; +} +"#, + r#" +fn main() { + //! different prefix + #[doc = r"line comment +below"] + struct Foo; +} +"#, + ); + } + + #[test] + fn single_line_separate_chunks() { + check_assist( + desugar_doc_comment, + r#" +/// different chunk + +/// line$0 comment +/// below +"#, + r#" +/// different chunk + +#[doc = r"line comment +below"] +"#, + ); + } + + #[test] + fn block_comment() { + check_assist( + desugar_doc_comment, + r#" +/** + hi$0 there +*/ +"#, + r#" +#[doc = r"hi there"] +"#, + ); + } + + #[test] + fn inner_doc_block() { + check_assist( + desugar_doc_comment, + r#" +/*! + hi$0 there +*/ +"#, + r#" +#![doc = r"hi there"] +"#, + ); + } + + #[test] + fn block_indent() { + check_assist( + desugar_doc_comment, + r#" +fn main() { + /*! + hi$0 there + + ``` + code_sample + ``` + */ +} +"#, + r#" +fn main() { + #![doc = r"hi there + +``` + code_sample +```"] +} +"#, + ); + } + + #[test] + fn end_of_line_block() { + check_assist_not_applicable( + desugar_doc_comment, + r#" +fn main() { + foo(); /** end-of-line$0 comment */ +} +"#, + ); + } + + #[test] + fn regular_comment() { + check_assist_not_applicable(desugar_doc_comment, r#"// some$0 comment"#); + check_assist_not_applicable(desugar_doc_comment, r#"/* some$0 comment*/"#); + } + + #[test] + fn quotes_and_escapes() { + check_assist( + desugar_doc_comment, + r###"/// some$0 "\ "## comment"###, + r####"#[doc = r###"some "\ "## comment"###]"####, + ); + } +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_type_alias.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_type_alias.rs index 0505f5784f8..b310c2db9fa 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_type_alias.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/extract_type_alias.rs @@ -1,9 +1,6 @@ use either::Either; use ide_db::syntax_helpers::node_ext::walk_ty; -use syntax::{ - ast::{self, edit::IndentLevel, make, AstNode, HasGenericParams, HasName}, - match_ast, -}; +use syntax::ast::{self, edit::IndentLevel, make, AstNode, HasGenericParams, HasName}; use crate::{AssistContext, AssistId, AssistKind, Assists}; @@ -31,15 +28,8 @@ pub(crate) fn extract_type_alias(acc: &mut Assists, ctx: &AssistContext<'_>) -> let ty = ctx.find_node_at_range::<ast::Type>()?; let item = ty.syntax().ancestors().find_map(ast::Item::cast)?; - let assoc_owner = item.syntax().ancestors().nth(2).and_then(|it| { - match_ast! { - match it { - ast::Trait(tr) => Some(Either::Left(tr)), - ast::Impl(impl_) => Some(Either::Right(impl_)), - _ => None, - } - } - }); + let assoc_owner = + item.syntax().ancestors().nth(2).and_then(Either::<ast::Trait, ast::Impl>::cast); let node = assoc_owner.as_ref().map_or_else( || item.syntax(), |impl_| impl_.as_ref().either(AstNode::syntax, AstNode::syntax), @@ -161,19 +151,17 @@ fn collect_used_generics<'gp>( .and_then(|lt| known_generics.iter().find(find_lifetime(<.text()))), ), ast::Type::ArrayType(ar) => { - if let Some(expr) = ar.expr() { - if let ast::Expr::PathExpr(p) = expr { - if let Some(path) = p.path() { - if let Some(name_ref) = path.as_single_name_ref() { - if let Some(param) = known_generics.iter().find(|gp| { - if let ast::GenericParam::ConstParam(cp) = gp { - cp.name().map_or(false, |n| n.text() == name_ref.text()) - } else { - false - } - }) { - generics.push(param); + if let Some(ast::Expr::PathExpr(p)) = ar.expr() { + if let Some(path) = p.path() { + if let Some(name_ref) = path.as_single_name_ref() { + if let Some(param) = known_generics.iter().find(|gp| { + if let ast::GenericParam::ConstParam(cp) = gp { + cp.name().map_or(false, |n| n.text() == name_ref.text()) + } else { + false } + }) { + generics.push(param); } } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs index 2d074a33e7f..860372941f7 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_default_from_new.rs @@ -82,18 +82,18 @@ fn generate_trait_impl_text_from_impl(impl_: &ast::Impl, trait_text: &str, code: let generic_params = impl_.generic_param_list().map(|generic_params| { let lifetime_params = generic_params.lifetime_params().map(ast::GenericParam::LifetimeParam); - let ty_or_const_params = generic_params.type_or_const_params().filter_map(|param| { + let ty_or_const_params = generic_params.type_or_const_params().map(|param| { // remove defaults since they can't be specified in impls match param { ast::TypeOrConstParam::Type(param) => { let param = param.clone_for_update(); param.remove_default(); - Some(ast::GenericParam::TypeParam(param)) + ast::GenericParam::TypeParam(param) } ast::TypeOrConstParam::Const(param) => { let param = param.clone_for_update(); param.remove_default(); - Some(ast::GenericParam::ConstParam(param)) + ast::GenericParam::ConstParam(param) } } }); diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_delegate_methods.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_delegate_methods.rs index c8d0493d097..ed1b8f4e28d 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_delegate_methods.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_delegate_methods.rs @@ -109,7 +109,7 @@ pub(crate) fn generate_delegate_methods(acc: &mut Assists, ctx: &AssistContext<' let tail_expr_finished = if is_async { make::expr_await(tail_expr) } else { tail_expr }; let body = make::block_expr([], Some(tail_expr_finished)); - let f = make::fn_(vis, name, type_params, params, body, ret_type, is_async) + let f = make::fn_(vis, name, type_params, None, params, body, ret_type, is_async) .indent(ast::edit::IndentLevel(1)) .clone_for_update(); diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs index da9b0cda5b5..45b27a63ce2 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/generate_function.rs @@ -1,8 +1,11 @@ -use hir::{Adt, HasSource, HirDisplay, Module, Semantics, TypeInfo}; +use hir::{ + Adt, AsAssocItem, HasSource, HirDisplay, Module, PathResolution, Semantics, Type, TypeInfo, +}; use ide_db::{ base_db::FileId, defs::{Definition, NameRefClass}, famous_defs::FamousDefs, + path_transform::PathTransform, FxHashMap, FxHashSet, RootDatabase, SnippetCap, }; use stdx::to_lower_snake_case; @@ -10,14 +13,13 @@ use syntax::{ ast::{ self, edit::{AstNodeEdit, IndentLevel}, - make, AstNode, CallExpr, HasArgList, HasModuleItem, + make, AstNode, CallExpr, HasArgList, HasGenericParams, HasModuleItem, HasTypeBounds, }, SyntaxKind, SyntaxNode, TextRange, TextSize, }; use crate::{ - utils::convert_reference_type, - utils::{find_struct_impl, render_snippet, Cursor}, + utils::{convert_reference_type, find_struct_impl, render_snippet, Cursor}, AssistContext, AssistId, AssistKind, Assists, }; @@ -107,7 +109,7 @@ fn fn_target_info( match path.qualifier() { Some(qualifier) => match ctx.sema.resolve_path(&qualifier) { Some(hir::PathResolution::Def(hir::ModuleDef::Module(module))) => { - get_fn_target_info(ctx, &Some(module), call.clone()) + get_fn_target_info(ctx, Some(module), call.clone()) } Some(hir::PathResolution::Def(hir::ModuleDef::Adt(adt))) => { if let hir::Adt::Enum(_) = adt { @@ -125,7 +127,7 @@ fn fn_target_info( } _ => None, }, - _ => get_fn_target_info(ctx, &None, call.clone()), + _ => get_fn_target_info(ctx, None, call.clone()), } } @@ -136,7 +138,8 @@ fn gen_method(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { } let fn_name = call.name_ref()?; - let adt = ctx.sema.type_of_expr(&call.receiver()?)?.original().strip_references().as_adt()?; + let receiver_ty = ctx.sema.type_of_expr(&call.receiver()?)?.original().strip_references(); + let adt = receiver_ty.as_adt()?; let current_module = ctx.sema.scope(call.syntax())?.module(); let target_module = adt.module(ctx.sema.db); @@ -147,8 +150,14 @@ fn gen_method(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { let (impl_, file) = get_adt_source(ctx, &adt, fn_name.text().as_str())?; let (target, insert_offset) = get_method_target(ctx, &impl_, &adt)?; - let function_builder = - FunctionBuilder::from_method_call(ctx, &call, &fn_name, target_module, target)?; + let function_builder = FunctionBuilder::from_method_call( + ctx, + &call, + &fn_name, + receiver_ty, + target_module, + target, + )?; let text_range = call.syntax().text_range(); let adt_name = if impl_.is_none() { Some(adt.name(ctx.sema.db)) } else { None }; let label = format!("Generate {} method", function_builder.fn_name); @@ -179,6 +188,7 @@ fn add_func_to_accumulator( let function_template = function_builder.render(adt_name.is_some()); let mut func = function_template.to_string(ctx.config.snippet_cap); if let Some(name) = adt_name { + // FIXME: adt may have generic params. func = format!("\n{indent}impl {name} {{\n{func}\n{indent}}}"); } builder.edit_file(file); @@ -238,7 +248,8 @@ impl FunctionTemplate { struct FunctionBuilder { target: GeneratedFunctionTarget, fn_name: ast::Name, - type_params: Option<ast::GenericParamList>, + generic_param_list: Option<ast::GenericParamList>, + where_clause: Option<ast::WhereClause>, params: ast::ParamList, ret_type: Option<ast::RetType>, should_focus_return_type: bool, @@ -260,19 +271,32 @@ impl FunctionBuilder { let target_module = target_module.or_else(|| ctx.sema.scope(target.syntax()).map(|it| it.module()))?; let fn_name = make::name(fn_name); - let (type_params, params) = - fn_args(ctx, target_module, ast::CallableExpr::Call(call.clone()))?; + let mut necessary_generic_params = FxHashSet::default(); + let params = fn_args( + ctx, + target_module, + ast::CallableExpr::Call(call.clone()), + &mut necessary_generic_params, + )?; let await_expr = call.syntax().parent().and_then(ast::AwaitExpr::cast); let is_async = await_expr.is_some(); - let (ret_type, should_focus_return_type) = - make_return_type(ctx, &ast::Expr::CallExpr(call.clone()), target_module); + let (ret_type, should_focus_return_type) = make_return_type( + ctx, + &ast::Expr::CallExpr(call.clone()), + target_module, + &mut necessary_generic_params, + ); + + let (generic_param_list, where_clause) = + fn_generic_params(ctx, necessary_generic_params, &target)?; Some(Self { target, fn_name, - type_params, + generic_param_list, + where_clause, params, ret_type, should_focus_return_type, @@ -285,25 +309,40 @@ impl FunctionBuilder { ctx: &AssistContext<'_>, call: &ast::MethodCallExpr, name: &ast::NameRef, + receiver_ty: Type, target_module: Module, target: GeneratedFunctionTarget, ) -> Option<Self> { let needs_pub = !module_is_descendant(&ctx.sema.scope(call.syntax())?.module(), &target_module, ctx); let fn_name = make::name(&name.text()); - let (type_params, params) = - fn_args(ctx, target_module, ast::CallableExpr::MethodCall(call.clone()))?; + let mut necessary_generic_params = FxHashSet::default(); + necessary_generic_params.extend(receiver_ty.generic_params(ctx.db())); + let params = fn_args( + ctx, + target_module, + ast::CallableExpr::MethodCall(call.clone()), + &mut necessary_generic_params, + )?; let await_expr = call.syntax().parent().and_then(ast::AwaitExpr::cast); let is_async = await_expr.is_some(); - let (ret_type, should_focus_return_type) = - make_return_type(ctx, &ast::Expr::MethodCallExpr(call.clone()), target_module); + let (ret_type, should_focus_return_type) = make_return_type( + ctx, + &ast::Expr::MethodCallExpr(call.clone()), + target_module, + &mut necessary_generic_params, + ); + + let (generic_param_list, where_clause) = + fn_generic_params(ctx, necessary_generic_params, &target)?; Some(Self { target, fn_name, - type_params, + generic_param_list, + where_clause, params, ret_type, should_focus_return_type, @@ -319,7 +358,8 @@ impl FunctionBuilder { let mut fn_def = make::fn_( visibility, self.fn_name, - self.type_params, + self.generic_param_list, + self.where_clause, self.params, fn_body, self.ret_type, @@ -375,6 +415,7 @@ fn make_return_type( ctx: &AssistContext<'_>, call: &ast::Expr, target_module: Module, + necessary_generic_params: &mut FxHashSet<hir::GenericParam>, ) -> (Option<ast::RetType>, bool) { let (ret_ty, should_focus_return_type) = { match ctx.sema.type_of_expr(call).map(TypeInfo::original) { @@ -382,6 +423,7 @@ fn make_return_type( None => (Some(make::ty_placeholder()), true), Some(ty) if ty.is_unit() => (None, false), Some(ty) => { + necessary_generic_params.extend(ty.generic_params(ctx.db())); let rendered = ty.display_source_code(ctx.db(), target_module.into()); match rendered { Ok(rendered) => (Some(make::ty(&rendered)), false), @@ -396,16 +438,16 @@ fn make_return_type( fn get_fn_target_info( ctx: &AssistContext<'_>, - target_module: &Option<Module>, + target_module: Option<Module>, call: CallExpr, ) -> Option<TargetInfo> { let (target, file, insert_offset) = get_fn_target(ctx, target_module, call)?; - Some(TargetInfo::new(*target_module, None, target, file, insert_offset)) + Some(TargetInfo::new(target_module, None, target, file, insert_offset)) } fn get_fn_target( ctx: &AssistContext<'_>, - target_module: &Option<Module>, + target_module: Option<Module>, call: CallExpr, ) -> Option<(GeneratedFunctionTarget, FileId, TextSize)> { let mut file = ctx.file_id(); @@ -473,37 +515,386 @@ impl GeneratedFunctionTarget { GeneratedFunctionTarget::InEmptyItemList(it) => it, } } + + fn parent(&self) -> SyntaxNode { + match self { + GeneratedFunctionTarget::BehindItem(it) => it.parent().expect("item without parent"), + GeneratedFunctionTarget::InEmptyItemList(it) => it.clone(), + } + } } -/// Computes the type variables and arguments required for the generated function +/// Computes parameter list for the generated function. fn fn_args( ctx: &AssistContext<'_>, target_module: hir::Module, call: ast::CallableExpr, -) -> Option<(Option<ast::GenericParamList>, ast::ParamList)> { + necessary_generic_params: &mut FxHashSet<hir::GenericParam>, +) -> Option<ast::ParamList> { let mut arg_names = Vec::new(); let mut arg_types = Vec::new(); for arg in call.arg_list()?.args() { arg_names.push(fn_arg_name(&ctx.sema, &arg)); - arg_types.push(fn_arg_type(ctx, target_module, &arg)); + arg_types.push(fn_arg_type(ctx, target_module, &arg, necessary_generic_params)); } deduplicate_arg_names(&mut arg_names); let params = arg_names.into_iter().zip(arg_types).map(|(name, ty)| { make::param(make::ext::simple_ident_pat(make::name(&name)).into(), make::ty(&ty)) }); - Some(( - None, - make::param_list( - match call { - ast::CallableExpr::Call(_) => None, - ast::CallableExpr::MethodCall(_) => Some(make::self_param()), - }, - params, - ), + Some(make::param_list( + match call { + ast::CallableExpr::Call(_) => None, + ast::CallableExpr::MethodCall(_) => Some(make::self_param()), + }, + params, )) } +/// Gets parameter bounds and where predicates in scope and filters out irrelevant ones. Returns +/// `None` when it fails to get scope information. +/// +/// See comment on `filter_unnecessary_bounds()` for what bounds we consider relevant. +/// +/// NOTE: Generic parameters returned from this function may cause name clash at `target`. We don't +/// currently do anything about it because it's actually easy to resolve it after the assist: just +/// use the Rename functionality. +fn fn_generic_params( + ctx: &AssistContext<'_>, + necessary_params: FxHashSet<hir::GenericParam>, + target: &GeneratedFunctionTarget, +) -> Option<(Option<ast::GenericParamList>, Option<ast::WhereClause>)> { + if necessary_params.is_empty() { + // Not really needed but fast path. + return Some((None, None)); + } + + // 1. Get generic parameters (with bounds) and where predicates in scope. + let (generic_params, where_preds) = params_and_where_preds_in_scope(ctx); + + // 2. Extract type parameters included in each bound. + let mut generic_params = generic_params + .into_iter() + .filter_map(|it| compute_contained_params_in_generic_param(ctx, it)) + .collect(); + let mut where_preds = where_preds + .into_iter() + .filter_map(|it| compute_contained_params_in_where_pred(ctx, it)) + .collect(); + + // 3. Filter out unnecessary bounds. + filter_unnecessary_bounds(&mut generic_params, &mut where_preds, necessary_params); + filter_bounds_in_scope(&mut generic_params, &mut where_preds, ctx, target); + + let generic_params: Vec<_> = + generic_params.into_iter().map(|it| it.node.clone_for_update()).collect(); + let where_preds: Vec<_> = + where_preds.into_iter().map(|it| it.node.clone_for_update()).collect(); + + // 4. Rewrite paths + if let Some(param) = generic_params.first() { + let source_scope = ctx.sema.scope(param.syntax())?; + let target_scope = ctx.sema.scope(&target.parent())?; + if source_scope.module() != target_scope.module() { + let transform = PathTransform::generic_transformation(&target_scope, &source_scope); + let generic_params = generic_params.iter().map(|it| it.syntax()); + let where_preds = where_preds.iter().map(|it| it.syntax()); + transform.apply_all(generic_params.chain(where_preds)); + } + } + + let generic_param_list = make::generic_param_list(generic_params); + let where_clause = + if where_preds.is_empty() { None } else { Some(make::where_clause(where_preds)) }; + + Some((Some(generic_param_list), where_clause)) +} + +fn params_and_where_preds_in_scope( + ctx: &AssistContext<'_>, +) -> (Vec<ast::GenericParam>, Vec<ast::WherePred>) { + let Some(body) = containing_body(ctx) else { return Default::default(); }; + + let mut generic_params = Vec::new(); + let mut where_clauses = Vec::new(); + + // There are two items where generic parameters currently in scope may be declared: the item + // the cursor is at, and its parent (if any). + // + // We handle parent first so that their generic parameters appear first in the generic + // parameter list of the function we're generating. + let db = ctx.db(); + if let Some(parent) = body.as_assoc_item(db).map(|it| it.container(db)) { + match parent { + hir::AssocItemContainer::Impl(it) => { + let (params, clauses) = get_bounds_in_scope(ctx, it); + generic_params.extend(params); + where_clauses.extend(clauses); + } + hir::AssocItemContainer::Trait(it) => { + let (params, clauses) = get_bounds_in_scope(ctx, it); + generic_params.extend(params); + where_clauses.extend(clauses); + } + } + } + + // Other defs with body may inherit generic parameters from its parent, but never have their + // own generic parameters. + if let hir::DefWithBody::Function(it) = body { + let (params, clauses) = get_bounds_in_scope(ctx, it); + generic_params.extend(params); + where_clauses.extend(clauses); + } + + (generic_params, where_clauses) +} + +fn containing_body(ctx: &AssistContext<'_>) -> Option<hir::DefWithBody> { + let item: ast::Item = ctx.find_node_at_offset()?; + let def = match item { + ast::Item::Fn(it) => ctx.sema.to_def(&it)?.into(), + ast::Item::Const(it) => ctx.sema.to_def(&it)?.into(), + ast::Item::Static(it) => ctx.sema.to_def(&it)?.into(), + _ => return None, + }; + Some(def) +} + +fn get_bounds_in_scope<D>( + ctx: &AssistContext<'_>, + def: D, +) -> (impl Iterator<Item = ast::GenericParam>, impl Iterator<Item = ast::WherePred>) +where + D: HasSource, + D::Ast: HasGenericParams, +{ + // This function should be only called with `Impl`, `Trait`, or `Function`, for which it's + // infallible to get source ast. + let node = ctx.sema.source(def).unwrap().value; + let generic_params = node.generic_param_list().into_iter().flat_map(|it| it.generic_params()); + let where_clauses = node.where_clause().into_iter().flat_map(|it| it.predicates()); + (generic_params, where_clauses) +} + +#[derive(Debug)] +struct ParamBoundWithParams { + node: ast::GenericParam, + /// Generic parameter `node` introduces. + /// + /// ```text + /// impl<T> S<T> { + /// fn f<U: Trait<T>>() {} + /// ^ this + /// } + /// ``` + /// + /// `U` in this example. + self_ty_param: hir::GenericParam, + /// Generic parameters contained in the trait reference of this bound. + /// + /// ```text + /// impl<T> S<T> { + /// fn f<U: Trait<T>>() {} + /// ^^^^^^^^ params in this part + /// } + /// ``` + /// + /// `T` in this example. + other_params: FxHashSet<hir::GenericParam>, +} + +#[derive(Debug)] +struct WherePredWithParams { + node: ast::WherePred, + /// Generic parameters contained in the "self type" of this where predicate. + /// + /// ```text + /// Struct<T, U>: Trait<T, Assoc = V>, + /// ^^^^^^^^^^^^ params in this part + /// ``` + /// + /// `T` and `U` in this example. + self_ty_params: FxHashSet<hir::GenericParam>, + /// Generic parameters contained in the trait reference of this where predicate. + /// + /// ```text + /// Struct<T, U>: Trait<T, Assoc = V>, + /// ^^^^^^^^^^^^^^^^^^^ params in this part + /// ``` + /// + /// `T` and `V` in this example. + other_params: FxHashSet<hir::GenericParam>, +} + +fn compute_contained_params_in_generic_param( + ctx: &AssistContext<'_>, + node: ast::GenericParam, +) -> Option<ParamBoundWithParams> { + match &node { + ast::GenericParam::TypeParam(ty) => { + let self_ty_param = ctx.sema.to_def(ty)?.into(); + + let other_params = ty + .type_bound_list() + .into_iter() + .flat_map(|it| it.bounds()) + .flat_map(|bound| bound.syntax().descendants()) + .filter_map(|node| filter_generic_params(ctx, node)) + .collect(); + + Some(ParamBoundWithParams { node, self_ty_param, other_params }) + } + ast::GenericParam::ConstParam(ct) => { + let self_ty_param = ctx.sema.to_def(ct)?.into(); + Some(ParamBoundWithParams { node, self_ty_param, other_params: FxHashSet::default() }) + } + ast::GenericParam::LifetimeParam(_) => { + // FIXME: It might be a good idea to handle lifetime parameters too. + None + } + } +} + +fn compute_contained_params_in_where_pred( + ctx: &AssistContext<'_>, + node: ast::WherePred, +) -> Option<WherePredWithParams> { + let self_ty = node.ty()?; + let bound_list = node.type_bound_list()?; + + let self_ty_params = self_ty + .syntax() + .descendants() + .filter_map(|node| filter_generic_params(ctx, node)) + .collect(); + + let other_params = bound_list + .bounds() + .flat_map(|bound| bound.syntax().descendants()) + .filter_map(|node| filter_generic_params(ctx, node)) + .collect(); + + Some(WherePredWithParams { node, self_ty_params, other_params }) +} + +fn filter_generic_params(ctx: &AssistContext<'_>, node: SyntaxNode) -> Option<hir::GenericParam> { + let path = ast::Path::cast(node)?; + match ctx.sema.resolve_path(&path)? { + PathResolution::TypeParam(it) => Some(it.into()), + PathResolution::ConstParam(it) => Some(it.into()), + _ => None, + } +} + +/// Filters out irrelevant bounds from `generic_params` and `where_preds`. +/// +/// Say we have a trait bound `Struct<T>: Trait<U>`. Given `necessary_params`, when is it relevant +/// and when not? Some observations: +/// - When `necessary_params` contains `T`, it's likely that we want this bound, but now we have +/// an extra param to consider: `U`. +/// - On the other hand, when `necessary_params` contains `U` (but not `T`), then it's unlikely +/// that we want this bound because it doesn't really constrain `U`. +/// +/// (FIXME?: The latter clause might be overstating. We may want to include the bound if the self +/// type does *not* include generic params at all - like `Option<i32>: From<U>`) +/// +/// Can we make this a bit more formal? Let's define "dependency" between generic parameters and +/// trait bounds: +/// - A generic parameter `T` depends on a trait bound if `T` appears in the self type (i.e. left +/// part) of the bound. +/// - A trait bound depends on a generic parameter `T` if `T` appears in the bound. +/// +/// Using the notion, what we want is all the bounds that params in `necessary_params` +/// *transitively* depend on! +/// +/// Now it's not hard to solve: we build a dependency graph and compute all reachable nodes from +/// nodes that represent params in `necessary_params` by usual and boring DFS. +/// +/// The time complexity is O(|generic_params| + |where_preds| + |necessary_params|). +fn filter_unnecessary_bounds( + generic_params: &mut Vec<ParamBoundWithParams>, + where_preds: &mut Vec<WherePredWithParams>, + necessary_params: FxHashSet<hir::GenericParam>, +) { + // All `self_ty_param` should be unique as they were collected from `ast::GenericParamList`s. + let param_map: FxHashMap<hir::GenericParam, usize> = + generic_params.iter().map(|it| it.self_ty_param).zip(0..).collect(); + let param_count = param_map.len(); + let generic_params_upper_bound = param_count + generic_params.len(); + let node_count = generic_params_upper_bound + where_preds.len(); + + // | node index range | what the node represents | + // |-----------------------------------------|--------------------------| + // | 0..param_count | generic parameter | + // | param_count..generic_params_upper_bound | `ast::GenericParam` | + // | generic_params_upper_bound..node_count | `ast::WherePred` | + let mut graph = Graph::new(node_count); + for (pred, pred_idx) in generic_params.iter().zip(param_count..) { + let param_idx = param_map[&pred.self_ty_param]; + graph.add_edge(param_idx, pred_idx); + graph.add_edge(pred_idx, param_idx); + + for param in &pred.other_params { + let param_idx = param_map[param]; + graph.add_edge(pred_idx, param_idx); + } + } + for (pred, pred_idx) in where_preds.iter().zip(generic_params_upper_bound..) { + for param in &pred.self_ty_params { + let param_idx = param_map[param]; + graph.add_edge(param_idx, pred_idx); + graph.add_edge(pred_idx, param_idx); + } + for param in &pred.other_params { + let param_idx = param_map[param]; + graph.add_edge(pred_idx, param_idx); + } + } + + let starting_nodes = necessary_params.iter().map(|param| param_map[param]); + let reachable = graph.compute_reachable_nodes(starting_nodes); + + // Not pretty, but effective. If only there were `Vec::retain_index()`... + let mut idx = param_count; + generic_params.retain(|_| { + idx += 1; + reachable[idx - 1] + }); + stdx::always!(idx == generic_params_upper_bound, "inconsistent index"); + where_preds.retain(|_| { + idx += 1; + reachable[idx - 1] + }); +} + +/// Filters out bounds from impl if we're generating the function into the same impl we're +/// generating from. +fn filter_bounds_in_scope( + generic_params: &mut Vec<ParamBoundWithParams>, + where_preds: &mut Vec<WherePredWithParams>, + ctx: &AssistContext<'_>, + target: &GeneratedFunctionTarget, +) -> Option<()> { + let target_impl = target.parent().ancestors().find_map(ast::Impl::cast)?; + let target_impl = ctx.sema.to_def(&target_impl)?; + // It's sufficient to test only the first element of `generic_params` because of the order of + // insertion (see `relevant_parmas_and_where_clauses()`). + let def = generic_params.first()?.self_ty_param.parent(); + if def != hir::GenericDef::Impl(target_impl) { + return None; + } + + // Now we know every element that belongs to an impl would be in scope at `target`, we can + // filter them out just by lookint at their parent. + generic_params.retain(|it| !matches!(it.self_ty_param.parent(), hir::GenericDef::Impl(_))); + where_preds.retain(|it| { + it.node.syntax().parent().and_then(|it| it.parent()).and_then(ast::Impl::cast).is_none() + }); + + Some(()) +} + /// Makes duplicate argument names unique by appending incrementing numbers. /// /// ``` @@ -564,17 +955,25 @@ fn fn_arg_name(sema: &Semantics<'_, RootDatabase>, arg_expr: &ast::Expr) -> Stri } } -fn fn_arg_type(ctx: &AssistContext<'_>, target_module: hir::Module, fn_arg: &ast::Expr) -> String { +fn fn_arg_type( + ctx: &AssistContext<'_>, + target_module: hir::Module, + fn_arg: &ast::Expr, + generic_params: &mut FxHashSet<hir::GenericParam>, +) -> String { fn maybe_displayed_type( ctx: &AssistContext<'_>, target_module: hir::Module, fn_arg: &ast::Expr, + generic_params: &mut FxHashSet<hir::GenericParam>, ) -> Option<String> { let ty = ctx.sema.type_of_expr(fn_arg)?.adjusted(); if ty.is_unknown() { return None; } + generic_params.extend(ty.generic_params(ctx.db())); + if ty.is_reference() || ty.is_mutable_reference() { let famous_defs = &FamousDefs(&ctx.sema, ctx.sema.scope(fn_arg.syntax())?.krate()); convert_reference_type(ty.strip_references(), ctx.db(), famous_defs) @@ -585,7 +984,8 @@ fn fn_arg_type(ctx: &AssistContext<'_>, target_module: hir::Module, fn_arg: &ast } } - maybe_displayed_type(ctx, target_module, fn_arg).unwrap_or_else(|| String::from("_")) + maybe_displayed_type(ctx, target_module, fn_arg, generic_params) + .unwrap_or_else(|| String::from("_")) } /// Returns the position inside the current mod or file @@ -640,10 +1040,11 @@ fn next_space_for_fn_in_module( } fn next_space_for_fn_in_impl(impl_: &ast::Impl) -> Option<GeneratedFunctionTarget> { - if let Some(last_item) = impl_.assoc_item_list().and_then(|it| it.assoc_items().last()) { + let assoc_item_list = impl_.assoc_item_list()?; + if let Some(last_item) = assoc_item_list.assoc_items().last() { Some(GeneratedFunctionTarget::BehindItem(last_item.syntax().clone())) } else { - Some(GeneratedFunctionTarget::InEmptyItemList(impl_.assoc_item_list()?.syntax().clone())) + Some(GeneratedFunctionTarget::InEmptyItemList(assoc_item_list.syntax().clone())) } } @@ -659,6 +1060,73 @@ fn module_is_descendant(module: &hir::Module, ans: &hir::Module, ctx: &AssistCon false } +// This is never intended to be used as a generic graph strucuture. If there's ever another need of +// graph algorithm, consider adding a library for that (and replace the following). +/// Minimally implemented directed graph structure represented by adjacency list. +struct Graph { + edges: Vec<Vec<usize>>, +} + +impl Graph { + fn new(node_count: usize) -> Self { + Self { edges: vec![Vec::new(); node_count] } + } + + fn add_edge(&mut self, from: usize, to: usize) { + self.edges[from].push(to); + } + + fn edges_for(&self, node_idx: usize) -> &[usize] { + &self.edges[node_idx] + } + + fn len(&self) -> usize { + self.edges.len() + } + + fn compute_reachable_nodes( + &self, + starting_nodes: impl IntoIterator<Item = usize>, + ) -> Vec<bool> { + let mut visitor = Visitor::new(self); + for idx in starting_nodes { + visitor.mark_reachable(idx); + } + visitor.visited + } +} + +struct Visitor<'g> { + graph: &'g Graph, + visited: Vec<bool>, + // Stack is held in this struct so we can reuse its buffer. + stack: Vec<usize>, +} + +impl<'g> Visitor<'g> { + fn new(graph: &'g Graph) -> Self { + let visited = vec![false; graph.len()]; + Self { graph, visited, stack: Vec::new() } + } + + fn mark_reachable(&mut self, start_idx: usize) { + // non-recursive DFS + stdx::always!(self.stack.is_empty()); + + self.stack.push(start_idx); + while let Some(idx) = self.stack.pop() { + if !self.visited[idx] { + self.visited[idx] = true; + for &neighbor in self.graph.edges_for(idx) { + if !self.visited[neighbor] { + self.stack.push(neighbor); + } + } + } + } + } +} + #[cfg(test)] mod tests { use crate::tests::{check_assist, check_assist_not_applicable}; @@ -1087,21 +1555,167 @@ fn bar(baz: Baz::Bof) { } #[test] - fn add_function_with_generic_arg() { - // FIXME: This is wrong, generated `bar` should include generic parameter. + fn generate_function_with_generic_param() { + check_assist( + generate_function, + r" +fn foo<T, const N: usize>(t: [T; N]) { $0bar(t) } +", + r" +fn foo<T, const N: usize>(t: [T; N]) { bar(t) } + +fn bar<T, const N: usize>(t: [T; N]) { + ${0:todo!()} +} +", + ) + } + + #[test] + fn generate_function_with_parent_generic_param() { + check_assist( + generate_function, + r" +struct S<T>(T); +impl<T> S<T> { + fn foo<U>(t: T, u: U) { $0bar(t, u) } +} +", + r" +struct S<T>(T); +impl<T> S<T> { + fn foo<U>(t: T, u: U) { bar(t, u) } +} + +fn bar<T, U>(t: T, u: U) { + ${0:todo!()} +} +", + ) + } + + #[test] + fn generic_param_in_receiver_type() { + // FIXME: Generic parameter `T` should be part of impl, not method. + check_assist( + generate_function, + r" +struct S<T>(T); +fn foo<T, U>(s: S<T>, u: U) { s.$0foo(u) } +", + r" +struct S<T>(T); +impl S { + fn foo<T, U>(&self, u: U) { + ${0:todo!()} + } +} +fn foo<T, U>(s: S<T>, u: U) { s.foo(u) } +", + ) + } + + #[test] + fn generic_param_in_return_type() { + check_assist( + generate_function, + r" +fn foo<T, const N: usize>() -> [T; N] { $0bar() } +", + r" +fn foo<T, const N: usize>() -> [T; N] { bar() } + +fn bar<T, const N: usize>() -> [T; N] { + ${0:todo!()} +} +", + ) + } + + #[test] + fn generate_fn_with_bounds() { + // FIXME: where predicates should be on next lines. + check_assist( + generate_function, + r" +trait A<T> {} +struct S<T>(T); +impl<T: A<i32>> S<T> +where + T: A<i64>, +{ + fn foo<U>(t: T, u: U) + where + T: A<()>, + U: A<i32> + A<i64>, + { + $0bar(t, u) + } +} +", + r" +trait A<T> {} +struct S<T>(T); +impl<T: A<i32>> S<T> +where + T: A<i64>, +{ + fn foo<U>(t: T, u: U) + where + T: A<()>, + U: A<i32> + A<i64>, + { + bar(t, u) + } +} + +fn bar<T: A<i32>, U>(t: T, u: U) where T: A<i64>, T: A<()>, U: A<i32> + A<i64> { + ${0:todo!()} +} +", + ) + } + + #[test] + fn include_transitive_param_dependency() { + // FIXME: where predicates should be on next lines. check_assist( generate_function, r" -fn foo<T>(t: T) { - $0bar(t) +trait A<T> { type Assoc; } +trait B { type Item; } +struct S<T>(T); +impl<T, U, V: B, W> S<(T, U, V, W)> +where + T: A<U, Assoc = V>, + S<V::Item>: A<U, Assoc = W>, +{ + fn foo<I>(t: T, u: U) + where + U: A<T, Assoc = I>, + { + $0bar(u) + } } ", r" -fn foo<T>(t: T) { - bar(t) +trait A<T> { type Assoc; } +trait B { type Item; } +struct S<T>(T); +impl<T, U, V: B, W> S<(T, U, V, W)> +where + T: A<U, Assoc = V>, + S<V::Item>: A<U, Assoc = W>, +{ + fn foo<I>(t: T, u: U) + where + U: A<T, Assoc = I>, + { + bar(u) + } } -fn bar(t: T) { +fn bar<T, U, V: B, W, I>(u: U) where T: A<U, Assoc = V>, S<V::Item>: A<U, Assoc = W>, U: A<T, Assoc = I> { ${0:todo!()} } ", @@ -1109,6 +1723,135 @@ fn bar(t: T) { } #[test] + fn irrelevant_bounds_are_filtered_out() { + check_assist( + generate_function, + r" +trait A<T> {} +struct S<T>(T); +impl<T, U, V, W> S<(T, U, V, W)> +where + T: A<U>, + V: A<W>, +{ + fn foo<I>(t: T, u: U) + where + U: A<T> + A<I>, + { + $0bar(u) + } +} +", + r" +trait A<T> {} +struct S<T>(T); +impl<T, U, V, W> S<(T, U, V, W)> +where + T: A<U>, + V: A<W>, +{ + fn foo<I>(t: T, u: U) + where + U: A<T> + A<I>, + { + bar(u) + } +} + +fn bar<T, U, I>(u: U) where T: A<U>, U: A<T> + A<I> { + ${0:todo!()} +} +", + ) + } + + #[test] + fn params_in_trait_arg_are_not_dependency() { + // Even though `bar` depends on `U` and `I`, we don't have to copy these bounds: + // `T: A<I>` and `T: A<U>`. + check_assist( + generate_function, + r" +trait A<T> {} +struct S<T>(T); +impl<T, U> S<(T, U)> +where + T: A<U>, +{ + fn foo<I>(t: T, u: U) + where + T: A<I>, + U: A<I>, + { + $0bar(u) + } +} +", + r" +trait A<T> {} +struct S<T>(T); +impl<T, U> S<(T, U)> +where + T: A<U>, +{ + fn foo<I>(t: T, u: U) + where + T: A<I>, + U: A<I>, + { + bar(u) + } +} + +fn bar<U, I>(u: U) where U: A<I> { + ${0:todo!()} +} +", + ) + } + + #[test] + fn dont_copy_bounds_already_in_scope() { + check_assist( + generate_function, + r" +trait A<T> {} +struct S<T>(T); +impl<T: A<i32>> S<T> +where + T: A<usize>, +{ + fn foo<U: A<()>>(t: T, u: U) + where + T: A<S<i32>>, + { + Self::$0bar(t, u); + } +} +", + r" +trait A<T> {} +struct S<T>(T); +impl<T: A<i32>> S<T> +where + T: A<usize>, +{ + fn foo<U: A<()>>(t: T, u: U) + where + T: A<S<i32>>, + { + Self::bar(t, u); + } + + fn bar<U: A<()>>(t: T, u: U) ${0:-> _} where T: A<S<i32>> { + todo!() + } +} +", + ) + } + + #[test] fn add_function_with_fn_arg() { // FIXME: The argument in `bar` is wrong. check_assist( @@ -1290,6 +2033,50 @@ fn baz(foo: foo::Foo) { } #[test] + fn qualified_path_in_generic_bounds_uses_correct_scope() { + check_assist( + generate_function, + r" +mod a { + pub trait A {}; +} +pub mod b { + pub struct S<T>(T); +} +struct S<T>(T); +impl<T> S<T> +where + T: a::A, +{ + fn foo<U: a::A>(t: b::S<T>, u: S<U>) { + a::$0bar(t, u); + } +} +", + r" +mod a { + pub trait A {} + + pub(crate) fn bar<T, U: self::A>(t: crate::b::S<T>, u: crate::S<U>) ${0:-> _} where T: self::A { + todo!() + }; +} +pub mod b { + pub struct S<T>(T); +} +struct S<T>(T); +impl<T> S<T> +where + T: a::A, +{ + fn foo<U: a::A>(t: b::S<T>, u: S<U>) { + a::bar(t, u); + } +} +", + ) + } + #[test] fn add_function_in_module_containing_other_items() { check_assist( generate_function, @@ -1607,6 +2394,26 @@ fn foo() {S::bar();} } #[test] + fn create_generic_static_method() { + check_assist( + generate_function, + r" +struct S; +fn foo<T, const N: usize>(t: [T; N]) { S::bar$0(t); } +", + r" +struct S; +impl S { + fn bar<T, const N: usize>(t: [T; N]) ${0:-> _} { + todo!() + } +} +fn foo<T, const N: usize>(t: [T; N]) { S::bar(t); } +", + ) + } + + #[test] fn create_static_method_within_an_impl() { check_assist( generate_function, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/inline_macro.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/inline_macro.rs index 9d03f03d201..3fc552306a6 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/inline_macro.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/inline_macro.rs @@ -1,3 +1,4 @@ +use ide_db::syntax_helpers::insert_whitespace_into_node::insert_ws_into; use syntax::ast::{self, AstNode}; use crate::{AssistContext, AssistId, AssistKind, Assists}; @@ -35,7 +36,7 @@ use crate::{AssistContext, AssistId, AssistKind, Assists}; // ``` pub(crate) fn inline_macro(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { let unexpanded = ctx.find_node_at_offset::<ast::MacroCall>()?; - let expanded = ctx.sema.expand(&unexpanded)?.clone_for_update(); + let expanded = insert_ws_into(ctx.sema.expand(&unexpanded)?.clone_for_update()); let text_range = unexpanded.syntax().text_range(); @@ -230,4 +231,27 @@ fn f() { let result = foo$0(); } "#, ); } + + #[test] + fn inline_macro_with_whitespace() { + check_assist( + inline_macro, + r#" +macro_rules! whitespace { + () => { + if true {} + }; +} +fn f() { whitespace$0!(); } +"#, + r#" +macro_rules! whitespace { + () => { + if true {} + }; +} +fn f() { if true{}; } +"#, + ) + } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/merge_imports.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/merge_imports.rs index 2bdbec93b1f..d7ddc5f23f5 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/merge_imports.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/merge_imports.rs @@ -92,7 +92,7 @@ trait Merge: AstNode + Clone { fn try_merge_from(self, items: &mut dyn Iterator<Item = Self>) -> Option<Vec<Edit>> { let mut edits = Vec::new(); let mut merged = self.clone(); - while let Some(item) = items.next() { + for item in items { merged = merged.try_merge(&item)?; edits.push(Edit::Remove(item.into_either())); } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_const_to_impl.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_const_to_impl.rs index 0e3a1e652b0..d848fce4be8 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_const_to_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/move_const_to_impl.rs @@ -5,10 +5,7 @@ use syntax::{ SyntaxKind, }; -use crate::{ - assist_context::{AssistContext, Assists}, - utils, -}; +use crate::assist_context::{AssistContext, Assists}; // NOTE: Code may break if the self type implements a trait that has associated const with the same // name, but it's pretty expensive to check that (`hir::Impl::all_for_type()`) and we assume that's @@ -130,9 +127,7 @@ pub(crate) fn move_const_to_impl(acc: &mut Assists, ctx: &AssistContext<'_>) -> let const_ = const_.clone_for_update(); const_.reindent_to(indent); - let mut const_text = format!("\n{indent}{const_}{fixup}"); - utils::escape_non_snippet(&mut const_text); - builder.insert(insert_offset, const_text); + builder.insert(insert_offset, format!("\n{indent}{const_}{fixup}")); }, ) } @@ -443,39 +438,4 @@ impl S { "#, ); } - - #[test] - fn moved_const_body_is_escaped() { - // Note that the last argument is what *lsp clients would see* rather than - // what users would see. Unescaping happens thereafter. - check_assist( - move_const_to_impl, - r#" -struct S; -impl S { - fn f() -> usize { - /// doc comment - /// \\ - /// ${snippet} - const C$0: &str = "\ and $1"; - - C.len() - } -} -"#, - r#" -struct S; -impl S { - /// doc comment - /// \\\\ - /// \${snippet} - const C: &str = "\\ and \$1"; - - fn f() -> usize { - Self::C.len() - } -} -"#, - ) - } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/raw_string.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/raw_string.rs index c9bc25b27a5..01420430bb4 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/raw_string.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/raw_string.rs @@ -2,7 +2,7 @@ use std::borrow::Cow; use syntax::{ast, ast::IsString, AstToken, TextRange, TextSize}; -use crate::{AssistContext, AssistId, AssistKind, Assists}; +use crate::{utils::required_hashes, AssistContext, AssistId, AssistKind, Assists}; // Assist: make_raw_string // @@ -155,16 +155,6 @@ pub(crate) fn remove_hash(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option< }) } -fn required_hashes(s: &str) -> usize { - let mut res = 0usize; - for idx in s.match_indices('"').map(|(i, _)| i) { - let (_, sub) = s.split_at(idx + 1); - let n_hashes = sub.chars().take_while(|c| *c == '#').count(); - res = res.max(n_hashes + 1) - } - res -} - #[cfg(test)] mod tests { use crate::tests::{check_assist, check_assist_not_applicable, check_assist_target}; @@ -172,17 +162,6 @@ mod tests { use super::*; #[test] - fn test_required_hashes() { - assert_eq!(0, required_hashes("abc")); - assert_eq!(0, required_hashes("###")); - assert_eq!(1, required_hashes("\"")); - assert_eq!(2, required_hashes("\"#abc")); - assert_eq!(0, required_hashes("#abc")); - assert_eq!(3, required_hashes("#ab\"##c")); - assert_eq!(5, required_hashes("#ab\"##\"####c")); - } - - #[test] fn make_raw_string_target() { check_assist_target( make_raw_string, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/reorder_fields.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/reorder_fields.rs index a899c7a6457..58dcaf9a221 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/reorder_fields.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/reorder_fields.rs @@ -20,10 +20,7 @@ use crate::{AssistContext, AssistId, AssistKind, Assists}; // const test: Foo = Foo {foo: 1, bar: 0} // ``` pub(crate) fn reorder_fields(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option<()> { - let record = ctx - .find_node_at_offset::<ast::RecordExpr>() - .map(Either::Left) - .or_else(|| ctx.find_node_at_offset::<ast::RecordPat>().map(Either::Right))?; + let record = ctx.find_node_at_offset::<Either<ast::RecordExpr, ast::RecordPat>>()?; let path = record.as_ref().either(|it| it.path(), |it| it.path())?; let ranks = compute_fields_ranks(&path, ctx)?; diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_arith_op.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_arith_op.rs index f1ca35cafc3..4b20b35c446 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_arith_op.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_arith_op.rs @@ -81,7 +81,7 @@ fn replace_arith(acc: &mut Assists, ctx: &AssistContext<'_>, kind: ArithKind) -> let range = TextRange::new(start, end); acc.add_group( - &GroupLabel("replace_arith".into()), + &GroupLabel("Replace arithmetic...".into()), kind.assist_id(), kind.label(), range, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs index a6693d7d790..4cfae0c7212 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_derive_with_manual_impl.rs @@ -214,7 +214,7 @@ fn impl_def_from_trait( // Generate a default `impl` function body for the derived trait. if let ast::AssocItem::Fn(ref func) = first_assoc_item { - let _ = gen_trait_fn_body(func, trait_path, adt); + let _ = gen_trait_fn_body(func, trait_path, adt, None); }; Some((impl_def, first_assoc_item)) diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_if_let_with_match.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_if_let_with_match.rs index 484c27387da..457559656a4 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_if_let_with_match.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/replace_if_let_with_match.rs @@ -13,7 +13,7 @@ use syntax::{ edit::{AstNodeEdit, IndentLevel}, make, HasName, }, - AstNode, TextRange, + AstNode, TextRange, T, }; use crate::{ @@ -96,8 +96,9 @@ pub(crate) fn replace_if_let_with_match(acc: &mut Assists, ctx: &AssistContext<' cond_bodies.push((cond, body)); } - if !pat_seen { - // Don't offer turning an if (chain) without patterns into a match + if !pat_seen && cond_bodies.len() != 1 { + // Don't offer turning an if (chain) without patterns into a match, + // unless its a simple `if cond { .. } (else { .. })` return None; } @@ -114,6 +115,11 @@ pub(crate) fn replace_if_let_with_match(acc: &mut Assists, ctx: &AssistContext<' Either::Left(pat) => { make::match_arm(iter::once(pat), None, unwrap_trivial_block(body)) } + Either::Right(_) if !pat_seen => make::match_arm( + iter::once(make::literal_pat("true").into()), + None, + unwrap_trivial_block(body), + ), Either::Right(expr) => make::match_arm( iter::once(make::wildcard_pat().into()), Some(expr), @@ -144,31 +150,36 @@ fn make_else_arm( else_block: Option<ast::BlockExpr>, conditionals: &[(Either<ast::Pat, ast::Expr>, ast::BlockExpr)], ) -> ast::MatchArm { - if let Some(else_block) = else_block { - let pattern = if let [(Either::Left(pat), _)] = conditionals { - ctx.sema + let (pattern, expr) = if let Some(else_block) = else_block { + let pattern = match conditionals { + [(Either::Right(_), _)] => make::literal_pat("false").into(), + [(Either::Left(pat), _)] => match ctx + .sema .type_of_pat(pat) .and_then(|ty| TryEnum::from_ty(&ctx.sema, &ty.adjusted())) - .zip(Some(pat)) - } else { - None - }; - let pattern = match pattern { - Some((it, pat)) => { - if does_pat_match_variant(pat, &it.sad_pattern()) { - it.happy_pattern_wildcard() - } else if does_nested_pattern(pat) { - make::wildcard_pat().into() - } else { - it.sad_pattern() + { + Some(it) => { + if does_pat_match_variant(pat, &it.sad_pattern()) { + it.happy_pattern_wildcard() + } else if does_nested_pattern(pat) { + make::wildcard_pat().into() + } else { + it.sad_pattern() + } } - } - None => make::wildcard_pat().into(), + None => make::wildcard_pat().into(), + }, + _ => make::wildcard_pat().into(), }; - make::match_arm(iter::once(pattern), None, unwrap_trivial_block(else_block)) + (pattern, unwrap_trivial_block(else_block)) } else { - make::match_arm(iter::once(make::wildcard_pat().into()), None, make::expr_unit()) - } + let pattern = match conditionals { + [(Either::Right(_), _)] => make::literal_pat("false").into(), + _ => make::wildcard_pat().into(), + }; + (pattern, make::expr_unit()) + }; + make::match_arm(iter::once(pattern), None, expr) } // Assist: replace_match_with_if_let @@ -231,7 +242,19 @@ pub(crate) fn replace_match_with_if_let(acc: &mut Assists, ctx: &AssistContext<' } } - let condition = make::expr_let(if_let_pat, scrutinee); + let condition = match if_let_pat { + ast::Pat::LiteralPat(p) + if p.literal().map_or(false, |it| it.token().kind() == T![true]) => + { + scrutinee + } + ast::Pat::LiteralPat(p) + if p.literal().map_or(false, |it| it.token().kind() == T![false]) => + { + make::expr_prefix(T![!], scrutinee) + } + _ => make::expr_let(if_let_pat, scrutinee).into(), + }; let then_block = make_block_expr(then_expr.reset_indent()); let else_expr = if is_empty_expr(&else_expr) { None } else { Some(else_expr) }; let if_let_expr = make::expr_if( @@ -328,6 +351,58 @@ fn main() { } #[test] + fn test_if_with_match_no_else() { + check_assist( + replace_if_let_with_match, + r#" +pub fn foo(foo: bool) { + if foo$0 { + self.foo(); + } +} +"#, + r#" +pub fn foo(foo: bool) { + match foo { + true => { + self.foo(); + } + false => (), + } +} +"#, + ) + } + + #[test] + fn test_if_with_match_with_else() { + check_assist( + replace_if_let_with_match, + r#" +pub fn foo(foo: bool) { + if foo$0 { + self.foo(); + } else { + self.bar(); + } +} +"#, + r#" +pub fn foo(foo: bool) { + match foo { + true => { + self.foo(); + } + false => { + self.bar(); + } + } +} +"#, + ) + } + + #[test] fn test_if_let_with_match_no_else() { check_assist( replace_if_let_with_match, @@ -996,4 +1071,64 @@ fn main() { "#, ) } + + #[test] + fn test_replace_match_with_if_bool() { + check_assist( + replace_match_with_if_let, + r#" +fn main() { + match$0 b { + true => (), + _ => code(), + } +} +"#, + r#" +fn main() { + if b { + () + } else { + code() + } +} +"#, + ); + check_assist( + replace_match_with_if_let, + r#" +fn main() { + match$0 b { + false => code(), + true => (), + } +} +"#, + r#" +fn main() { + if !b { + code() + } +} +"#, + ); + check_assist( + replace_match_with_if_let, + r#" +fn main() { + match$0 b { + false => (), + true => code(), + } +} +"#, + r#" +fn main() { + if b { + code() + } +} +"#, + ) + } } diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unmerge_match_arm.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unmerge_match_arm.rs index 9565f0ee6f2..db789cfa334 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unmerge_match_arm.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unmerge_match_arm.rs @@ -86,8 +86,7 @@ pub(crate) fn unmerge_match_arm(acc: &mut Assists, ctx: &AssistContext<'_>) -> O it.prev_sibling_or_token() }) .map(|it| it.kind()) - .skip_while(|it| it.is_trivia()) - .next() + .find(|it| !it.is_trivia()) == Some(T![,]); let has_arms_after = neighbor(&match_arm, Direction::Next).is_some(); if !has_comma_after && !has_arms_after { diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unwrap_block.rs b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unwrap_block.rs index 53cdac03a33..33b19a354b9 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unwrap_block.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/handlers/unwrap_block.rs @@ -2,6 +2,7 @@ use syntax::{ ast::{ self, edit::{AstNodeEdit, IndentLevel}, + make, }, AstNode, SyntaxKind, TextRange, T, }; @@ -37,61 +38,89 @@ pub(crate) fn unwrap_block(acc: &mut Assists, ctx: &AssistContext<'_>) -> Option parent = parent.ancestors().find(|it| ast::MatchExpr::can_cast(it.kind()))? } - if matches!(parent.kind(), SyntaxKind::STMT_LIST | SyntaxKind::EXPR_STMT | SyntaxKind::LET_STMT) - { - return acc.add(assist_id, assist_label, target, |builder| { + let kind = parent.kind(); + if matches!(kind, SyntaxKind::STMT_LIST | SyntaxKind::EXPR_STMT) { + acc.add(assist_id, assist_label, target, |builder| { builder.replace(block.syntax().text_range(), update_expr_string(block.to_string())); - }); - } - - let parent = ast::Expr::cast(parent)?; - - match parent.clone() { - ast::Expr::ForExpr(_) | ast::Expr::WhileExpr(_) | ast::Expr::LoopExpr(_) => (), - ast::Expr::MatchExpr(_) => block = block.dedent(IndentLevel(1)), - ast::Expr::IfExpr(if_expr) => { - let then_branch = if_expr.then_branch()?; - if then_branch == block { - if let Some(ancestor) = if_expr.syntax().parent().and_then(ast::IfExpr::cast) { - // For `else if` blocks - let ancestor_then_branch = ancestor.then_branch()?; - + }) + } else if matches!(kind, SyntaxKind::LET_STMT) { + let parent = ast::LetStmt::cast(parent)?; + let pattern = ast::Pat::cast(parent.syntax().first_child()?)?; + let ty = parent.ty(); + let list = block.stmt_list()?; + let replaced = match list.syntax().last_child() { + Some(last) => { + let stmts: Vec<ast::Stmt> = list.statements().collect(); + let initializer = ast::Expr::cast(last.clone())?; + let let_stmt = make::let_stmt(pattern, ty, Some(initializer)); + if stmts.len() > 0 { + let block = make::block_expr(stmts, None); + format!( + "{}\n {}", + update_expr_string(block.to_string()), + let_stmt.to_string() + ) + } else { + let_stmt.to_string() + } + } + None => { + let empty_tuple = make::expr_tuple([]); + make::let_stmt(pattern, ty, Some(empty_tuple)).to_string() + } + }; + acc.add(assist_id, assist_label, target, |builder| { + builder.replace(parent.syntax().text_range(), replaced); + }) + } else { + let parent = ast::Expr::cast(parent)?; + match parent.clone() { + ast::Expr::ForExpr(_) | ast::Expr::WhileExpr(_) | ast::Expr::LoopExpr(_) => (), + ast::Expr::MatchExpr(_) => block = block.dedent(IndentLevel(1)), + ast::Expr::IfExpr(if_expr) => { + let then_branch = if_expr.then_branch()?; + if then_branch == block { + if let Some(ancestor) = if_expr.syntax().parent().and_then(ast::IfExpr::cast) { + // For `else if` blocks + let ancestor_then_branch = ancestor.then_branch()?; + + return acc.add(assist_id, assist_label, target, |edit| { + let range_to_del_else_if = TextRange::new( + ancestor_then_branch.syntax().text_range().end(), + l_curly_token.text_range().start(), + ); + let range_to_del_rest = TextRange::new( + then_branch.syntax().text_range().end(), + if_expr.syntax().text_range().end(), + ); + + edit.delete(range_to_del_rest); + edit.delete(range_to_del_else_if); + edit.replace( + target, + update_expr_string_without_newline(then_branch.to_string()), + ); + }); + } + } else { return acc.add(assist_id, assist_label, target, |edit| { - let range_to_del_else_if = TextRange::new( - ancestor_then_branch.syntax().text_range().end(), - l_curly_token.text_range().start(), - ); - let range_to_del_rest = TextRange::new( + let range_to_del = TextRange::new( then_branch.syntax().text_range().end(), - if_expr.syntax().text_range().end(), + l_curly_token.text_range().start(), ); - edit.delete(range_to_del_rest); - edit.delete(range_to_del_else_if); - edit.replace( - target, - update_expr_string_without_newline(then_branch.to_string()), - ); + edit.delete(range_to_del); + edit.replace(target, update_expr_string_without_newline(block.to_string())); }); } - } else { - return acc.add(assist_id, assist_label, target, |edit| { - let range_to_del = TextRange::new( - then_branch.syntax().text_range().end(), - l_curly_token.text_range().start(), - ); - - edit.delete(range_to_del); - edit.replace(target, update_expr_string_without_newline(block.to_string())); - }); } - } - _ => return None, - }; + _ => return None, + }; - acc.add(assist_id, assist_label, target, |builder| { - builder.replace(parent.syntax().text_range(), update_expr_string(block.to_string())); - }) + acc.add(assist_id, assist_label, target, |builder| { + builder.replace(parent.syntax().text_range(), update_expr_string(block.to_string())); + }) + } } fn update_expr_string(expr_string: String) -> String { @@ -725,6 +754,19 @@ fn main() -> i32 { unwrap_block, r#" fn main() { + let x = {$0}; +} +"#, + r#" +fn main() { + let x = (); +} +"#, + ); + check_assist( + unwrap_block, + r#" +fn main() { let x = {$0 bar }; @@ -736,6 +778,34 @@ fn main() { } "#, ); + check_assist( + unwrap_block, + r#" +fn main() -> i32 { + let _ = {$01; 2}; +} +"#, + r#" +fn main() -> i32 { + 1; + let _ = 2; +} +"#, + ); + check_assist( + unwrap_block, + r#" +fn main() -> i32 { + let mut a = {$01; 2}; +} +"#, + r#" +fn main() -> i32 { + 1; + let mut a = 2; +} +"#, + ); } #[test] diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs index 7813c9f9cbe..276cf5f5dd0 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/lib.rs @@ -106,6 +106,7 @@ mod handlers { pub(crate) type Handler = fn(&mut Assists, &AssistContext<'_>) -> Option<()>; + mod add_braces; mod add_explicit_type; mod add_label_to_loop; mod add_lifetime_to_type; @@ -126,6 +127,7 @@ mod handlers { mod convert_to_guarded_return; mod convert_two_arm_bool_match_to_matches_macro; mod convert_while_to_loop; + mod desugar_doc_comment; mod destructure_tuple_binding; mod expand_glob_import; mod extract_expressions_from_format_string; @@ -208,6 +210,7 @@ mod handlers { pub(crate) fn all() -> &'static [Handler] { &[ // These are alphabetic for the foolish consistency + add_braces::add_braces, add_explicit_type::add_explicit_type, add_label_to_loop::add_label_to_loop, add_missing_match_arms::add_missing_match_arms, @@ -231,6 +234,7 @@ mod handlers { convert_tuple_struct_to_named_struct::convert_tuple_struct_to_named_struct, convert_two_arm_bool_match_to_matches_macro::convert_two_arm_bool_match_to_matches_macro, convert_while_to_loop::convert_while_to_loop, + desugar_doc_comment::desugar_doc_comment, destructure_tuple_binding::destructure_tuple_binding, expand_glob_import::expand_glob_import, extract_expressions_from_format_string::extract_expressions_from_format_string, diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs index 006ae4b3034..8a25e1f648a 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/tests/generated.rs @@ -3,6 +3,31 @@ use super::check_doc_test; #[test] +fn doctest_add_braces() { + check_doc_test( + "add_braces", + r#####" +fn foo(n: i32) -> i32 { + match n { + 1 =>$0 n + 1, + _ => 0 + } +} +"#####, + r#####" +fn foo(n: i32) -> i32 { + match n { + 1 => { + n + 1 + }, + _ => 0 + } +} +"#####, + ) +} + +#[test] fn doctest_add_explicit_type() { check_doc_test( "add_explicit_type", @@ -598,6 +623,21 @@ fn main() { } #[test] +fn doctest_desugar_doc_comment() { + check_doc_test( + "desugar_doc_comment", + r#####" +/// Multi-line$0 +/// comment +"#####, + r#####" +#[doc = r"Multi-line +comment"] +"#####, + ) +} + +#[test] fn doctest_expand_glob_import() { check_doc_test( "expand_glob_import", diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs b/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs index 7add6606492..f323ebcf7a3 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/utils.rs @@ -208,23 +208,6 @@ pub(crate) fn render_snippet(_cap: SnippetCap, node: &SyntaxNode, cursor: Cursor } } -/// Escapes text that should be rendered as-is, typically those that we're copy-pasting what the -/// users wrote. -/// -/// This function should only be used when the text doesn't contain snippet **AND** the text -/// wouldn't be included in a snippet. -pub(crate) fn escape_non_snippet(text: &mut String) { - // While we *can* escape `}`, we don't really have to in this specific case. We only need to - // escape it inside `${}` to disambiguate it from the ending token of the syntax, but after we - // escape every occurrence of `$`, we wouldn't have `${}` in the first place. - // - // This will break if the text contains snippet or it will be included in a snippet (hence doc - // comment). Compare `fn escape(buf)` in `render_snippet()` above, where the escaped text is - // included in a snippet. - stdx::replace(text, '\\', r"\\"); - stdx::replace(text, '$', r"\$"); -} - pub(crate) fn vis_offset(node: &SyntaxNode) -> TextSize { node.children_with_tokens() .find(|it| !matches!(it.kind(), WHITESPACE | COMMENT | ATTR)) @@ -758,3 +741,24 @@ pub(crate) fn convert_param_list_to_arg_list(list: ast::ParamList) -> ast::ArgLi } make::arg_list(args) } + +/// Calculate the number of hashes required for a raw string containing `s` +pub(crate) fn required_hashes(s: &str) -> usize { + let mut res = 0usize; + for idx in s.match_indices('"').map(|(i, _)| i) { + let (_, sub) = s.split_at(idx + 1); + let n_hashes = sub.chars().take_while(|c| *c == '#').count(); + res = res.max(n_hashes + 1) + } + res +} +#[test] +fn test_required_hashes() { + assert_eq!(0, required_hashes("abc")); + assert_eq!(0, required_hashes("###")); + assert_eq!(1, required_hashes("\"")); + assert_eq!(2, required_hashes("\"#abc")); + assert_eq!(0, required_hashes("#abc")); + assert_eq!(3, required_hashes("#ab\"##c")); + assert_eq!(5, required_hashes("#ab\"##\"####c")); +} diff --git a/src/tools/rust-analyzer/crates/ide-assists/src/utils/gen_trait_fn_body.rs b/src/tools/rust-analyzer/crates/ide-assists/src/utils/gen_trait_fn_body.rs index d4abb51259e..808b2340595 100644 --- a/src/tools/rust-analyzer/crates/ide-assists/src/utils/gen_trait_fn_body.rs +++ b/src/tools/rust-analyzer/crates/ide-assists/src/utils/gen_trait_fn_body.rs @@ -1,5 +1,6 @@ //! This module contains functions to generate default trait impl function bodies where possible. +use hir::TraitRef; use syntax::{ ast::{self, edit::AstNodeEdit, make, AstNode, BinaryOp, CmpOp, HasName, LogicOp}, ted, @@ -7,6 +8,8 @@ use syntax::{ /// Generate custom trait bodies without default implementation where possible. /// +/// If `func` is defined within an existing impl block, pass [`TraitRef`]. Otherwise pass `None`. +/// /// Returns `Option` so that we can use `?` rather than `if let Some`. Returning /// `None` means that generating a custom trait body failed, and the body will remain /// as `todo!` instead. @@ -14,14 +17,15 @@ pub(crate) fn gen_trait_fn_body( func: &ast::Fn, trait_path: &ast::Path, adt: &ast::Adt, + trait_ref: Option<TraitRef>, ) -> Option<()> { match trait_path.segment()?.name_ref()?.text().as_str() { "Clone" => gen_clone_impl(adt, func), "Debug" => gen_debug_impl(adt, func), "Default" => gen_default_impl(adt, func), "Hash" => gen_hash_impl(adt, func), - "PartialEq" => gen_partial_eq(adt, func), - "PartialOrd" => gen_partial_ord(adt, func), + "PartialEq" => gen_partial_eq(adt, func, trait_ref), + "PartialOrd" => gen_partial_ord(adt, func, trait_ref), _ => None, } } @@ -395,7 +399,7 @@ fn gen_hash_impl(adt: &ast::Adt, func: &ast::Fn) -> Option<()> { } /// Generate a `PartialEq` impl based on the fields and members of the target type. -fn gen_partial_eq(adt: &ast::Adt, func: &ast::Fn) -> Option<()> { +fn gen_partial_eq(adt: &ast::Adt, func: &ast::Fn, trait_ref: Option<TraitRef>) -> Option<()> { stdx::always!(func.name().map_or(false, |name| name.text() == "eq")); fn gen_eq_chain(expr: Option<ast::Expr>, cmp: ast::Expr) -> Option<ast::Expr> { match expr { @@ -423,8 +427,15 @@ fn gen_partial_eq(adt: &ast::Adt, func: &ast::Fn) -> Option<()> { ast::Pat::IdentPat(make::ident_pat(false, false, make::name(field_name))) } - // FIXME: return `None` if the trait carries a generic type; we can only - // generate this code `Self` for the time being. + // Check that self type and rhs type match. We don't know how to implement the method + // automatically otherwise. + if let Some(trait_ref) = trait_ref { + let self_ty = trait_ref.self_ty(); + let rhs_ty = trait_ref.get_type_argument(1)?; + if self_ty != rhs_ty { + return None; + } + } let body = match adt { // `PartialEq` cannot be derived for unions, so no default impl can be provided. @@ -568,7 +579,7 @@ fn gen_partial_eq(adt: &ast::Adt, func: &ast::Fn) -> Option<()> { make::block_expr(None, expr).indent(ast::edit::IndentLevel(1)) } - // No fields in the body means there's nothing to hash. + // No fields in the body means there's nothing to compare. None => { let expr = make::expr_literal("true").into(); make::block_expr(None, Some(expr)).indent(ast::edit::IndentLevel(1)) @@ -580,7 +591,7 @@ fn gen_partial_eq(adt: &ast::Adt, func: &ast::Fn) -> Option<()> { Some(()) } -fn gen_partial_ord(adt: &ast::Adt, func: &ast::Fn) -> Option<()> { +fn gen_partial_ord(adt: &ast::Adt, func: &ast::Fn, trait_ref: Option<TraitRef>) -> Option<()> { stdx::always!(func.name().map_or(false, |name| name.text() == "partial_cmp")); fn gen_partial_eq_match(match_target: ast::Expr) -> Option<ast::Stmt> { let mut arms = vec![]; @@ -605,8 +616,15 @@ fn gen_partial_ord(adt: &ast::Adt, func: &ast::Fn) -> Option<()> { make::expr_method_call(lhs, method, make::arg_list(Some(rhs))) } - // FIXME: return `None` if the trait carries a generic type; we can only - // generate this code `Self` for the time being. + // Check that self type and rhs type match. We don't know how to implement the method + // automatically otherwise. + if let Some(trait_ref) = trait_ref { + let self_ty = trait_ref.self_ty(); + let rhs_ty = trait_ref.get_type_argument(1)?; + if self_ty != rhs_ty { + return None; + } + } let body = match adt { // `PartialOrd` cannot be derived for unions, so no default impl can be provided. diff --git a/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml b/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml index 11310e2f129..34ef092cfc4 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-completion/Cargo.toml @@ -2,9 +2,11 @@ name = "ide-completion" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -13,21 +15,23 @@ doctest = false cov-mark = "2.0.0-pre.1" itertools = "0.10.5" -once_cell = "1.15.0" +once_cell = "1.17.0" smallvec = "1.10.0" -stdx = { path = "../stdx", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -text-edit = { path = "../text-edit", version = "0.0.0" } -base-db = { path = "../base-db", version = "0.0.0" } -ide-db = { path = "../ide-db", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } +# local deps +base-db.workspace = true +ide-db.workspace = true +profile.workspace = true +stdx.workspace = true +syntax.workspace = true +text-edit.workspace = true # completions crate should depend only on the top-level `hir` package. if you need # something from some `hir-xxx` subpackage, reexport the API via `hir`. -hir = { path = "../hir", version = "0.0.0" } +hir.workspace = true [dev-dependencies] expect-test = "1.4.0" -test-utils = { path = "../test-utils" } +# local deps +test-utils.workspace = true diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs b/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs index 9a060857e9e..889d90095fa 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/completions/item_list/trait_impl.rs @@ -869,7 +869,7 @@ impl Test for T {{ }; // Enumerate some possible next siblings. - for next_sibling in &[ + for next_sibling in [ "", "fn other_fn() {}", // `const $0 fn` -> `const fn` "type OtherType = i32;", diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/completions/keyword.rs b/src/tools/rust-analyzer/crates/ide-completion/src/completions/keyword.rs index 1d03c8cc5ca..b9ab2afca2b 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/completions/keyword.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/completions/keyword.rs @@ -86,6 +86,7 @@ fn foo(a: A) { a.$0 } sn match match expr {} sn ref &expr sn refm &mut expr + sn unsafe unsafe {} "#]], ); @@ -110,6 +111,7 @@ fn foo() { sn match match expr {} sn ref &expr sn refm &mut expr + sn unsafe unsafe {} "#]], ); } @@ -136,6 +138,7 @@ fn foo(a: A) { a.$0 } sn match match expr {} sn ref &expr sn refm &mut expr + sn unsafe unsafe {} "#]], ); } diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs b/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs index f4f37d77d81..90c523735da 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/completions/postfix.rs @@ -6,7 +6,7 @@ use hir::{Documentation, HasAttrs}; use ide_db::{imports::insert_use::ImportScope, ty_filter::TryEnum, SnippetCap}; use syntax::{ ast::{self, make, AstNode, AstToken}, - SyntaxKind::{EXPR_STMT, STMT_LIST}, + SyntaxKind::{BLOCK_EXPR, EXPR_STMT, FOR_EXPR, IF_EXPR, LOOP_EXPR, STMT_LIST, WHILE_EXPR}, TextRange, TextSize, }; use text_edit::TextEdit; @@ -123,6 +123,22 @@ pub(crate) fn complete_postfix( postfix_snippet("ref", "&expr", &format!("&{receiver_text}")).add_to(acc); postfix_snippet("refm", "&mut expr", &format!("&mut {receiver_text}")).add_to(acc); + let mut unsafe_should_be_wrapped = true; + if dot_receiver.syntax().kind() == BLOCK_EXPR { + unsafe_should_be_wrapped = false; + if let Some(parent) = dot_receiver.syntax().parent() { + if matches!(parent.kind(), IF_EXPR | WHILE_EXPR | LOOP_EXPR | FOR_EXPR) { + unsafe_should_be_wrapped = true; + } + } + }; + let unsafe_completion_string = if unsafe_should_be_wrapped { + format!("unsafe {{ {receiver_text} }}") + } else { + format!("unsafe {receiver_text}") + }; + postfix_snippet("unsafe", "unsafe {}", &unsafe_completion_string).add_to(acc); + // The rest of the postfix completions create an expression that moves an argument, // so it's better to consider references now to avoid breaking the compilation @@ -329,18 +345,19 @@ fn main() { } "#, expect![[r#" - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn if if expr {} - sn let let - sn letm let mut - sn match match expr {} - sn not !expr - sn ref &expr - sn refm &mut expr - sn while while expr {} + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn if if expr {} + sn let let + sn letm let mut + sn match match expr {} + sn not !expr + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} + sn while while expr {} "#]], ); } @@ -359,16 +376,17 @@ fn main() { } "#, expect![[r#" - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn if if expr {} - sn match match expr {} - sn not !expr - sn ref &expr - sn refm &mut expr - sn while while expr {} + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn if if expr {} + sn match match expr {} + sn not !expr + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} + sn while while expr {} "#]], ); } @@ -383,15 +401,16 @@ fn main() { } "#, expect![[r#" - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn let let - sn letm let mut - sn match match expr {} - sn ref &expr - sn refm &mut expr + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn let let + sn letm let mut + sn match match expr {} + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} "#]], ) } @@ -406,18 +425,19 @@ fn main() { } "#, expect![[r#" - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn if if expr {} - sn let let - sn letm let mut - sn match match expr {} - sn not !expr - sn ref &expr - sn refm &mut expr - sn while while expr {} + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn if if expr {} + sn let let + sn letm let mut + sn match match expr {} + sn not !expr + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} + sn while while expr {} "#]], ); } @@ -518,6 +538,49 @@ fn main() { } #[test] + fn postfix_completion_for_unsafe() { + check_edit("unsafe", r#"fn main() { foo.$0 }"#, r#"fn main() { unsafe { foo } }"#); + check_edit("unsafe", r#"fn main() { { foo }.$0 }"#, r#"fn main() { unsafe { foo } }"#); + check_edit( + "unsafe", + r#"fn main() { if x { foo }.$0 }"#, + r#"fn main() { unsafe { if x { foo } } }"#, + ); + check_edit( + "unsafe", + r#"fn main() { loop { foo }.$0 }"#, + r#"fn main() { unsafe { loop { foo } } }"#, + ); + check_edit( + "unsafe", + r#"fn main() { if true {}.$0 }"#, + r#"fn main() { unsafe { if true {} } }"#, + ); + check_edit( + "unsafe", + r#"fn main() { while true {}.$0 }"#, + r#"fn main() { unsafe { while true {} } }"#, + ); + check_edit( + "unsafe", + r#"fn main() { for i in 0..10 {}.$0 }"#, + r#"fn main() { unsafe { for i in 0..10 {} } }"#, + ); + check_edit( + "unsafe", + r#"fn main() { let x = if true {1} else {2}.$0 }"#, + r#"fn main() { let x = unsafe { if true {1} else {2} } }"#, + ); + + // completion will not be triggered + check_edit( + "unsafe", + r#"fn main() { let x = true else {panic!()}.$0}"#, + r#"fn main() { let x = true else {panic!()}.unsafe}"#, + ); + } + + #[test] fn custom_postfix_completion() { let config = CompletionConfig { snippets: vec![Snippet::new( diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/config.rs b/src/tools/rust-analyzer/crates/ide-completion/src/config.rs index a0f5e81b4fb..8f6a97e1e09 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/config.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/config.rs @@ -19,6 +19,7 @@ pub struct CompletionConfig { pub insert_use: InsertUseConfig, pub prefer_no_std: bool, pub snippets: Vec<Snippet>, + pub limit: Option<usize>, } #[derive(Clone, Debug, PartialEq, Eq)] diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs b/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs index e34824e22ea..4bff665ab1d 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/context/analysis.rs @@ -48,7 +48,9 @@ pub(super) fn expand_and_analyze( // make the offset point to the start of the original token, as that is what the // intermediate offsets calculated in expansion always points to let offset = offset - relative_offset; - let expansion = expand(sema, original_file, speculative_file, offset, fake_ident_token); + let expansion = + expand(sema, original_file, speculative_file, offset, fake_ident_token, relative_offset); + // add the relative offset back, so that left_biased finds the proper token let offset = expansion.offset + relative_offset; let token = expansion.original_file.token_at_offset(offset).left_biased()?; @@ -67,6 +69,7 @@ fn expand( mut speculative_file: SyntaxNode, mut offset: TextSize, mut fake_ident_token: SyntaxToken, + relative_offset: TextSize, ) -> ExpansionResult { let _p = profile::span("CompletionContext::expand"); let mut derive_ctx = None; @@ -97,7 +100,7 @@ fn expand( // successful expansions (Some(actual_expansion), Some((fake_expansion, fake_mapped_token))) => { let new_offset = fake_mapped_token.text_range().start(); - if new_offset > actual_expansion.text_range().end() { + if new_offset + relative_offset > actual_expansion.text_range().end() { // offset outside of bounds from the original expansion, // stop here to prevent problems from happening break 'expansion; @@ -176,7 +179,7 @@ fn expand( // successful expansions (Some(actual_expansion), Some((fake_expansion, fake_mapped_token))) => { let new_offset = fake_mapped_token.text_range().start(); - if new_offset > actual_expansion.text_range().end() { + if new_offset + relative_offset > actual_expansion.text_range().end() { // offset outside of bounds from the original expansion, // stop here to prevent problems from happening break 'expansion; @@ -672,10 +675,10 @@ fn classify_name_ref( { if let Some(item) = ast::Item::cast(n) { let is_inbetween = match &item { - ast::Item::Const(it) => it.body().is_none(), + ast::Item::Const(it) => it.body().is_none() && it.semicolon_token().is_none(), ast::Item::Enum(it) => it.variant_list().is_none(), ast::Item::ExternBlock(it) => it.extern_item_list().is_none(), - ast::Item::Fn(it) => it.body().is_none(), + ast::Item::Fn(it) => it.body().is_none() && it.semicolon_token().is_none(), ast::Item::Impl(it) => it.assoc_item_list().is_none(), ast::Item::Module(it) => { it.item_list().is_none() && it.semicolon_token().is_none() @@ -685,7 +688,7 @@ fn classify_name_ref( it.field_list().is_none() && it.semicolon_token().is_none() } ast::Item::Trait(it) => it.assoc_item_list().is_none(), - ast::Item::TypeAlias(it) => it.ty().is_none(), + ast::Item::TypeAlias(it) => it.ty().is_none() && it.semicolon_token().is_none(), ast::Item::Union(it) => it.record_field_list().is_none(), _ => false, }; diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/render.rs b/src/tools/rust-analyzer/crates/ide-completion/src/render.rs index e48d1aecd04..d6476c10258 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/render.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/render.rs @@ -1691,6 +1691,7 @@ fn main() { sn while [] sn ref [] sn refm [] + sn unsafe [] sn match [] sn box [] sn dbg [] @@ -1718,6 +1719,7 @@ fn main() { me f() [] sn ref [] sn refm [] + sn unsafe [] sn match [] sn box [] sn dbg [] diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs index abe14e48e22..540b0fd0ef7 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests.rs @@ -75,6 +75,7 @@ pub(crate) const TEST_CONFIG: CompletionConfig = CompletionConfig { skip_glob_imports: true, }, snippets: Vec::new(), + limit: None, }; pub(crate) fn completion_list(ra_fixture: &str) -> String { diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/flyimport.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/flyimport.rs index a63ef006875..0b485eb776d 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/flyimport.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/flyimport.rs @@ -541,9 +541,9 @@ fn main() { } "#, expect![[r#" - fn weird_function() (use dep::test_mod::TestTrait) fn() DEPRECATED - ct SPECIAL_CONST (use dep::test_mod::TestTrait) DEPRECATED - "#]], + ct SPECIAL_CONST (use dep::test_mod::TestTrait) DEPRECATED + fn weird_function() (use dep::test_mod::TestTrait) fn() DEPRECATED + "#]], ); } diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs index b62b988885d..9fc731bb11d 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/item_list.rs @@ -215,6 +215,57 @@ fn in_trait_assoc_item_list() { } #[test] +fn in_trait_assoc_fn_missing_body() { + check( + r#"trait Foo { fn function(); $0 }"#, + expect![[r#" + ma makro!(…) macro_rules! makro + md module + kw const + kw crate:: + kw fn + kw self:: + kw type + kw unsafe + "#]], + ); +} + +#[test] +fn in_trait_assoc_const_missing_body() { + check( + r#"trait Foo { const CONST: (); $0 }"#, + expect![[r#" + ma makro!(…) macro_rules! makro + md module + kw const + kw crate:: + kw fn + kw self:: + kw type + kw unsafe + "#]], + ); +} + +#[test] +fn in_trait_assoc_type_aliases_missing_ty() { + check( + r#"trait Foo { type Type; $0 }"#, + expect![[r#" + ma makro!(…) macro_rules! makro + md module + kw const + kw crate:: + kw fn + kw self:: + kw type + kw unsafe + "#]], + ); +} + +#[test] fn in_trait_impl_assoc_item_list() { check( r#" diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/proc_macros.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/proc_macros.rs index 9eae6f84954..92ea4d15b85 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/proc_macros.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/proc_macros.rs @@ -24,16 +24,17 @@ fn main() { } "#, expect![[r#" - me foo() fn(&self) - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn let let - sn letm let mut - sn match match expr {} - sn ref &expr - sn refm &mut expr + me foo() fn(&self) + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn let let + sn letm let mut + sn match match expr {} + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} "#]], ) } @@ -54,16 +55,17 @@ fn main() { } "#, expect![[r#" - me foo() fn(&self) - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn let let - sn letm let mut - sn match match expr {} - sn ref &expr - sn refm &mut expr + me foo() fn(&self) + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn let let + sn letm let mut + sn match match expr {} + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} "#]], ) } @@ -86,16 +88,17 @@ impl Foo { fn main() {} "#, expect![[r#" - me foo() fn(&self) - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn let let - sn letm let mut - sn match match expr {} - sn ref &expr - sn refm &mut expr + me foo() fn(&self) + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn let let + sn letm let mut + sn match match expr {} + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} "#]], ) } @@ -118,16 +121,47 @@ impl Foo { fn main() {} "#, expect![[r#" - me foo() fn(&self) - sn box Box::new(expr) - sn call function(expr) - sn dbg dbg!(expr) - sn dbgr dbg!(&expr) - sn let let - sn letm let mut - sn match match expr {} - sn ref &expr - sn refm &mut expr + me foo() fn(&self) + sn box Box::new(expr) + sn call function(expr) + sn dbg dbg!(expr) + sn dbgr dbg!(&expr) + sn let let + sn letm let mut + sn match match expr {} + sn ref &expr + sn refm &mut expr + sn unsafe unsafe {} "#]], ) } + +#[test] +fn issue_13836_str() { + check( + r#" +//- proc_macros: shorten +fn main() { + let s = proc_macros::shorten!("text.$0"); +} +"#, + expect![[r#""#]], + ) +} + +#[test] +fn issue_13836_ident() { + check( + r#" +//- proc_macros: shorten +struct S; +impl S { + fn foo(&self) {} +} +fn main() { + let s = proc_macros::shorten!(S.fo$0); +} +"#, + expect![[r#""#]], + ) +} diff --git a/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs b/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs index cad4af4937d..6052b062320 100644 --- a/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs +++ b/src/tools/rust-analyzer/crates/ide-completion/src/tests/special.rs @@ -61,7 +61,7 @@ fn _alpha() {} fn completes_prelude() { check( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std fn foo() { let x: $0 } //- /std/lib.rs crate:std @@ -83,7 +83,7 @@ pub mod prelude { fn completes_prelude_macros() { check( r#" -//- /main.rs crate:main deps:std +//- /main.rs edition:2018 crate:main deps:std fn f() {$0} //- /std/lib.rs crate:std @@ -117,14 +117,14 @@ fn foo() { let x: $0 } //- /core/lib.rs crate:core pub mod prelude { - pub mod rust_2018 { + pub mod rust_2021 { pub struct Option; } } //- /std/lib.rs crate:std deps:core pub mod prelude { - pub mod rust_2018 { + pub mod rust_2021 { pub struct String; } } diff --git a/src/tools/rust-analyzer/crates/ide-db/Cargo.toml b/src/tools/rust-analyzer/crates/ide-db/Cargo.toml index f48cce58c6e..9672bb9b7b5 100644 --- a/src/tools/rust-analyzer/crates/ide-db/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-db/Cargo.toml @@ -2,9 +2,11 @@ name = "ide-db" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -12,29 +14,32 @@ doctest = false [dependencies] cov-mark = "2.0.0-pre.1" tracing = "0.1.35" -rayon = "1.5.3" +rayon = "1.6.1" fst = { version = "0.4.7", default-features = false } rustc-hash = "1.1.0" -once_cell = "1.15.0" +once_cell = "1.17.0" either = "1.7.0" itertools = "0.10.5" arrayvec = "0.7.2" indexmap = "1.9.1" memchr = "2.5.0" -stdx = { path = "../stdx", version = "0.0.0" } -parser = { path = "../parser", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -text-edit = { path = "../text-edit", version = "0.0.0" } -base-db = { path = "../base-db", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } +# local deps +base-db.workspace = true +limit.workspace = true +parser.workspace = true +profile.workspace = true +stdx.workspace = true +syntax.workspace = true +text-edit.workspace = true # ide should depend only on the top-level `hir` package. if you need # something from some `hir-xxx` subpackage, reexport the API via `hir`. -hir = { path = "../hir", version = "0.0.0" } -limit = { path = "../limit", version = "0.0.0" } +hir.workspace = true [dev-dependencies] -test-utils = { path = "../test-utils" } -sourcegen = { path = "../sourcegen" } xshell = "0.2.2" expect-test = "1.4.0" + +# local deps +test-utils.workspace = true +sourcegen.workspace = true diff --git a/src/tools/rust-analyzer/crates/ide-db/src/defs.rs b/src/tools/rust-analyzer/crates/ide-db/src/defs.rs index 6c13c039723..ed7f04fd8e7 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/defs.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/defs.rs @@ -34,8 +34,8 @@ pub enum Definition { TypeAlias(TypeAlias), BuiltinType(BuiltinType), SelfType(Impl), - Local(Local), GenericParam(GenericParam), + Local(Local), Label(Label), DeriveHelper(DeriveHelper), BuiltinAttr(BuiltinAttr), diff --git a/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs b/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs index 1b8f56187a0..8f12ab33409 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/line_index.rs @@ -185,14 +185,14 @@ mod tests { ]; let index = LineIndex::new(text); - for &(offset, line, col) in &table { + for (offset, line, col) in table { assert_eq!(index.line_col(offset.into()), LineCol { line, col }); } let text = "\nhello\nworld"; let table = [(0, 0, 0), (1, 1, 0), (2, 1, 1), (6, 1, 5), (7, 2, 0)]; let index = LineIndex::new(text); - for &(offset, line, col) in &table { + for (offset, line, col) in table { assert_eq!(index.line_col(offset.into()), LineCol { line, col }); } } diff --git a/src/tools/rust-analyzer/crates/ide-db/src/path_transform.rs b/src/tools/rust-analyzer/crates/ide-db/src/path_transform.rs index 12d873b4a0a..6402a84a68b 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/path_transform.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/path_transform.rs @@ -33,7 +33,7 @@ use syntax::{ /// } /// ``` pub struct PathTransform<'a> { - generic_def: hir::GenericDef, + generic_def: Option<hir::GenericDef>, substs: Vec<ast::Type>, target_scope: &'a SemanticsScope<'a>, source_scope: &'a SemanticsScope<'a>, @@ -49,7 +49,7 @@ impl<'a> PathTransform<'a> { PathTransform { source_scope, target_scope, - generic_def: trait_.into(), + generic_def: Some(trait_.into()), substs: get_syntactic_substs(impl_).unwrap_or_default(), } } @@ -63,28 +63,42 @@ impl<'a> PathTransform<'a> { PathTransform { source_scope, target_scope, - generic_def: function.into(), + generic_def: Some(function.into()), substs: get_type_args_from_arg_list(generic_arg_list).unwrap_or_default(), } } + pub fn generic_transformation( + target_scope: &'a SemanticsScope<'a>, + source_scope: &'a SemanticsScope<'a>, + ) -> PathTransform<'a> { + PathTransform { source_scope, target_scope, generic_def: None, substs: Vec::new() } + } + pub fn apply(&self, syntax: &SyntaxNode) { self.build_ctx().apply(syntax) } + pub fn apply_all<'b>(&self, nodes: impl IntoIterator<Item = &'b SyntaxNode>) { + let ctx = self.build_ctx(); + for node in nodes { + ctx.apply(node); + } + } + fn build_ctx(&self) -> Ctx<'a> { let db = self.source_scope.db; let target_module = self.target_scope.module(); let source_module = self.source_scope.module(); let skip = match self.generic_def { // this is a trait impl, so we need to skip the first type parameter -- this is a bit hacky - hir::GenericDef::Trait(_) => 1, + Some(hir::GenericDef::Trait(_)) => 1, _ => 0, }; let substs_by_param: FxHashMap<_, _> = self .generic_def - .type_params(db) .into_iter() + .flat_map(|it| it.type_params(db)) .skip(skip) // The actual list of trait type parameters may be longer than the one // used in the `impl` block due to trailing default type parameters. diff --git a/src/tools/rust-analyzer/crates/ide-db/src/rename.rs b/src/tools/rust-analyzer/crates/ide-db/src/rename.rs index cd4a7e1554c..84d70b258ff 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/rename.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/rename.rs @@ -190,6 +190,7 @@ fn rename_mod( let InFile { file_id, value: def_source } = module.definition_source(sema.db); if let ModuleSource::SourceFile(..) = def_source { + let new_name = new_name.trim_start_matches("r#"); let anchor = file_id.original_file(sema.db); let is_mod_rs = module.is_mod_rs(sema.db); @@ -207,9 +208,13 @@ fn rename_mod( // - Module has submodules defined in separate files let dir_paths = match (is_mod_rs, has_detached_child, module.name(sema.db)) { // Go up one level since the anchor is inside the dir we're trying to rename - (true, _, Some(mod_name)) => Some((format!("../{mod_name}"), format!("../{new_name}"))), + (true, _, Some(mod_name)) => { + Some((format!("../{}", mod_name.unescaped()), format!("../{new_name}"))) + } // The anchor is on the same level as target dir - (false, true, Some(mod_name)) => Some((mod_name.to_string(), new_name.to_string())), + (false, true, Some(mod_name)) => { + Some((mod_name.unescaped().to_string(), new_name.to_string())) + } _ => None, }; @@ -263,11 +268,10 @@ fn rename_reference( Definition::GenericParam(hir::GenericParam::LifetimeParam(_)) | Definition::Label(_) ) { match ident_kind { - IdentifierKind::Ident | IdentifierKind::Underscore => { - cov_mark::hit!(rename_not_a_lifetime_ident_ref); + IdentifierKind::Underscore => { bail!("Invalid name `{}`: not a lifetime identifier", new_name); } - IdentifierKind::Lifetime => cov_mark::hit!(rename_lifetime), + _ => cov_mark::hit!(rename_lifetime), } } else { match ident_kind { @@ -334,11 +338,17 @@ pub fn source_edit_from_references( } _ => false, }; - if !has_emitted_edit { - if !edited_ranges.contains(&range.start()) { - edit.replace(range, new_name.to_string()); - edited_ranges.push(range.start()); - } + if !has_emitted_edit && !edited_ranges.contains(&range.start()) { + let (range, new_name) = match name { + ast::NameLike::Lifetime(_) => ( + TextRange::new(range.start() + syntax::TextSize::from(1), range.end()), + new_name.strip_prefix('\'').unwrap_or(new_name).to_owned(), + ), + _ => (range, new_name.to_owned()), + }; + + edit.replace(range, new_name); + edited_ranges.push(range.start()); } } @@ -391,19 +401,17 @@ fn source_edit_from_name_ref( edit.delete(TextRange::new(s, e)); return true; } - } else if init == name_ref { - if field_name.text() == new_name { - cov_mark::hit!(test_rename_local_put_init_shorthand); - // Foo { field: local } -> Foo { field } - // ^^^^^^^ delete this - - // same names, we can use a shorthand here instead. - // we do not want to erase attributes hence this range start - let s = field_name.syntax().text_range().end(); - let e = init.syntax().text_range().end(); - edit.delete(TextRange::new(s, e)); - return true; - } + } else if init == name_ref && field_name.text() == new_name { + cov_mark::hit!(test_rename_local_put_init_shorthand); + // Foo { field: local } -> Foo { field } + // ^^^^^^^ delete this + + // same names, we can use a shorthand here instead. + // we do not want to erase attributes hence this range start + let s = field_name.syntax().text_range().end(); + let e = init.syntax().text_range().end(); + edit.delete(TextRange::new(s, e)); + return true; } } // init shorthand @@ -505,7 +513,15 @@ fn source_edit_from_def( } } if edit.is_empty() { - edit.replace(range, new_name.to_string()); + let (range, new_name) = match def { + Definition::GenericParam(hir::GenericParam::LifetimeParam(_)) + | Definition::Label(_) => ( + TextRange::new(range.start() + syntax::TextSize::from(1), range.end()), + new_name.strip_prefix('\'').unwrap_or(new_name).to_owned(), + ), + _ => (range, new_name.to_owned()), + }; + edit.replace(range, new_name); } Ok((file_id, edit.finish())) } @@ -521,14 +537,18 @@ impl IdentifierKind { pub fn classify(new_name: &str) -> Result<IdentifierKind> { match parser::LexedStr::single_token(new_name) { Some(res) => match res { - (SyntaxKind::IDENT, _) => Ok(IdentifierKind::Ident), + (SyntaxKind::IDENT, _) => { + if let Some(inner) = new_name.strip_prefix("r#") { + if matches!(inner, "self" | "crate" | "super" | "Self") { + bail!("Invalid name: `{}` cannot be a raw identifier", inner); + } + } + Ok(IdentifierKind::Ident) + } (T![_], _) => Ok(IdentifierKind::Underscore), (SyntaxKind::LIFETIME_IDENT, _) if new_name != "'static" && new_name != "'_" => { Ok(IdentifierKind::Lifetime) } - (SyntaxKind::LIFETIME_IDENT, _) => { - bail!("Invalid name `{}`: not a lifetime identifier", new_name) - } (_, Some(syntax_error)) => bail!("Invalid name `{}`: {}", new_name, syntax_error), (_, None) => bail!("Invalid name `{}`: not an identifier", new_name), }, diff --git a/src/tools/rust-analyzer/crates/ide-db/src/search.rs b/src/tools/rust-analyzer/crates/ide-db/src/search.rs index b2b0e49085c..ada2821d6b1 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/search.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/search.rs @@ -7,7 +7,9 @@ use std::{mem, sync::Arc}; use base_db::{FileId, FileRange, SourceDatabase, SourceDatabaseExt}; -use hir::{DefWithBody, HasAttrs, HasSource, InFile, ModuleSource, Semantics, Visibility}; +use hir::{ + AsAssocItem, DefWithBody, HasAttrs, HasSource, InFile, ModuleSource, Semantics, Visibility, +}; use memchr::memmem::Finder; use once_cell::unsync::Lazy; use parser::SyntaxKind; @@ -311,15 +313,15 @@ impl Definition { pub fn usages<'a>(self, sema: &'a Semantics<'_, RootDatabase>) -> FindUsages<'a> { FindUsages { - local_repr: match self { - Definition::Local(local) => Some(local.representative(sema.db)), - _ => None, - }, def: self, - trait_assoc_def: as_trait_assoc_def(sema.db, self), + assoc_item_container: self.as_assoc_item(sema.db).map(|a| a.container(sema.db)), sema, scope: None, include_self_kw_refs: None, + local_repr: match self { + Definition::Local(local) => Some(local.representative(sema.db)), + _ => None, + }, search_self_mod: false, } } @@ -328,12 +330,16 @@ impl Definition { #[derive(Clone)] pub struct FindUsages<'a> { def: Definition, - /// If def is an assoc item from a trait or trait impl, this is the corresponding item of the trait definition - trait_assoc_def: Option<Definition>, sema: &'a Semantics<'a, RootDatabase>, scope: Option<SearchScope>, + /// The container of our definition should it be an assoc item + assoc_item_container: Option<hir::AssocItemContainer>, + /// whether to search for the `Self` type of the definition include_self_kw_refs: Option<hir::Type>, + /// the local representative for the local definition we are searching for + /// (this is required for finding all local declarations in a or-pattern) local_repr: Option<hir::Local>, + /// whether to search for the `self` module search_self_mod: bool, } @@ -380,7 +386,9 @@ impl<'a> FindUsages<'a> { let sema = self.sema; let search_scope = { - let base = self.trait_assoc_def.unwrap_or(self.def).search_scope(sema.db); + // FIXME: Is the trait scope needed for trait impl assoc items? + let base = + as_trait_assoc_def(sema.db, self.def).unwrap_or(self.def).search_scope(sema.db); match &self.scope { None => base, Some(scope) => base.intersection(scope), @@ -494,20 +502,28 @@ impl<'a> FindUsages<'a> { } // Search for `super` and `crate` resolving to our module - match self.def { - Definition::Module(module) => { - let scope = search_scope - .intersection(&SearchScope::module_and_children(self.sema.db, module)); + if let Definition::Module(module) = self.def { + let scope = + search_scope.intersection(&SearchScope::module_and_children(self.sema.db, module)); - let is_crate_root = - module.is_crate_root(self.sema.db).then(|| Finder::new("crate")); - let finder = &Finder::new("super"); + let is_crate_root = module.is_crate_root(self.sema.db).then(|| Finder::new("crate")); + let finder = &Finder::new("super"); - for (text, file_id, search_range) in scope_files(sema, &scope) { - let tree = Lazy::new(move || sema.parse(file_id).syntax().clone()); + for (text, file_id, search_range) in scope_files(sema, &scope) { + let tree = Lazy::new(move || sema.parse(file_id).syntax().clone()); + for offset in match_indices(&text, finder, search_range) { + if let Some(iter) = find_nodes("super", &tree, offset) { + for name_ref in iter.filter_map(ast::NameRef::cast) { + if self.found_name_ref(&name_ref, sink) { + return; + } + } + } + } + if let Some(finder) = &is_crate_root { for offset in match_indices(&text, finder, search_range) { - if let Some(iter) = find_nodes("super", &tree, offset) { + if let Some(iter) = find_nodes("crate", &tree, offset) { for name_ref in iter.filter_map(ast::NameRef::cast) { if self.found_name_ref(&name_ref, sink) { return; @@ -515,20 +531,8 @@ impl<'a> FindUsages<'a> { } } } - if let Some(finder) = &is_crate_root { - for offset in match_indices(&text, finder, search_range) { - if let Some(iter) = find_nodes("crate", &tree, offset) { - for name_ref in iter.filter_map(ast::NameRef::cast) { - if self.found_name_ref(&name_ref, sink) { - return; - } - } - } - } - } } } - _ => (), } // search for module `self` references in our module's definition source @@ -655,13 +659,26 @@ impl<'a> FindUsages<'a> { sink(file_id, reference) } Some(NameRefClass::Definition(def)) - if match self.trait_assoc_def { - Some(trait_assoc_def) => { - // we have a trait assoc item, so force resolve all assoc items to their trait version - convert_to_def_in_trait(self.sema.db, def) == trait_assoc_def - } - None => self.def == def, - } => + if self.def == def + // is our def a trait assoc item? then we want to find all assoc items from trait impls of our trait + || matches!(self.assoc_item_container, Some(hir::AssocItemContainer::Trait(_))) + && convert_to_def_in_trait(self.sema.db, def) == self.def => + { + let FileRange { file_id, range } = self.sema.original_range(name_ref.syntax()); + let reference = FileReference { + range, + name: ast::NameLike::NameRef(name_ref.clone()), + category: ReferenceCategory::new(&def, name_ref), + }; + sink(file_id, reference) + } + // FIXME: special case type aliases, we can't filter between impl and trait defs here as we lack the substitutions + // so we always resolve all assoc type aliases to both their trait def and impl defs + Some(NameRefClass::Definition(def)) + if self.assoc_item_container.is_some() + && matches!(self.def, Definition::TypeAlias(_)) + && convert_to_def_in_trait(self.sema.db, def) + == convert_to_def_in_trait(self.sema.db, self.def) => { let FileRange { file_id, range } = self.sema.original_range(name_ref.syntax()); let reference = FileReference { @@ -752,13 +769,21 @@ impl<'a> FindUsages<'a> { false } Some(NameClass::Definition(def)) if def != self.def => { - // if the def we are looking for is a trait (impl) assoc item, we'll have to resolve the items to trait definition assoc item - if !matches!( - self.trait_assoc_def, - Some(trait_assoc_def) - if convert_to_def_in_trait(self.sema.db, def) == trait_assoc_def - ) { - return false; + match (&self.assoc_item_container, self.def) { + // for type aliases we always want to reference the trait def and all the trait impl counterparts + // FIXME: only until we can resolve them correctly, see FIXME above + (Some(_), Definition::TypeAlias(_)) + if convert_to_def_in_trait(self.sema.db, def) + != convert_to_def_in_trait(self.sema.db, self.def) => + { + return false + } + (Some(_), Definition::TypeAlias(_)) => {} + // We looking at an assoc item of a trait definition, so reference all the + // corresponding assoc items belonging to this trait's trait implementations + (Some(hir::AssocItemContainer::Trait(_)), _) + if convert_to_def_in_trait(self.sema.db, def) == self.def => {} + _ => return false, } let FileRange { file_id, range } = self.sema.original_range(name.syntax()); let reference = FileReference { diff --git a/src/tools/rust-analyzer/crates/ide-db/src/symbol_index.rs b/src/tools/rust-analyzer/crates/ide-db/src/symbol_index.rs index c054cc15979..a91ffd1ec4f 100644 --- a/src/tools/rust-analyzer/crates/ide-db/src/symbol_index.rs +++ b/src/tools/rust-analyzer/crates/ide-db/src/symbol_index.rs @@ -323,10 +323,10 @@ impl Query { if symbol.name != self.query { continue; } - } else if self.case_sensitive { - if self.query.chars().any(|c| !symbol.name.contains(c)) { - continue; - } + } else if self.case_sensitive + && self.query.chars().any(|c| !symbol.name.contains(c)) + { + continue; } res.push(symbol.clone()); diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/Cargo.toml b/src/tools/rust-analyzer/crates/ide-diagnostics/Cargo.toml index 7e9a1125d75..e18624fcc26 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/Cargo.toml @@ -2,9 +2,11 @@ name = "ide-diagnostics" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -15,19 +17,21 @@ either = "1.7.0" itertools = "0.10.5" serde_json = "1.0.86" -profile = { path = "../profile", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -text-edit = { path = "../text-edit", version = "0.0.0" } -cfg = { path = "../cfg", version = "0.0.0" } -hir = { path = "../hir", version = "0.0.0" } -ide-db = { path = "../ide-db", version = "0.0.0" } +# local deps +profile.workspace = true +stdx.workspace = true +syntax.workspace = true +text-edit.workspace = true +cfg.workspace = true +hir.workspace = true +ide-db.workspace = true [dev-dependencies] expect-test = "1.4.0" -test-utils = { path = "../test-utils" } -sourcegen = { path = "../sourcegen" } +# local deps +test-utils.workspace = true +sourcegen.workspace = true [features] in-rust-tree = [] diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/json_is_not_rust.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/json_is_not_rust.rs index e8df6dcf285..04ce1e0feee 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/json_is_not_rust.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/json_is_not_rust.rs @@ -99,76 +99,66 @@ pub(crate) fn json_in_items( && node.last_token().map(|x| x.kind()) == Some(SyntaxKind::R_CURLY) { let node_string = node.to_string(); - if let Ok(it) = serde_json::from_str(&node_string) { - if let serde_json::Value::Object(it) = it { - let import_scope = ImportScope::find_insert_use_container(node, sema)?; - let range = node.text_range(); - let mut edit = TextEdit::builder(); - edit.delete(range); - let mut state = State::default(); - let semantics_scope = sema.scope(node)?; - let scope_resolve = - |it| semantics_scope.speculative_resolve(&make::path_from_text(it)); - let scope_has = |it| scope_resolve(it).is_some(); - let deserialize_resolved = scope_resolve("::serde::Deserialize"); - let serialize_resolved = scope_resolve("::serde::Serialize"); - state.has_deserialize = deserialize_resolved.is_some(); - state.has_serialize = serialize_resolved.is_some(); - state.build_struct(&it); - edit.insert(range.start(), state.result); - acc.push( - Diagnostic::new( - "json-is-not-rust", - "JSON syntax is not valid as a Rust item", - range, - ) - .severity(Severity::WeakWarning) - .with_fixes(Some(vec![{ - let mut scb = SourceChangeBuilder::new(file_id); - let scope = match import_scope { - ImportScope::File(it) => ImportScope::File(scb.make_mut(it)), - ImportScope::Module(it) => ImportScope::Module(scb.make_mut(it)), - ImportScope::Block(it) => ImportScope::Block(scb.make_mut(it)), - }; - let current_module = semantics_scope.module(); - if !scope_has("Serialize") { - if let Some(PathResolution::Def(it)) = serialize_resolved { - if let Some(it) = current_module.find_use_path_prefixed( - sema.db, - it, - config.insert_use.prefix_kind, - config.prefer_no_std, - ) { - insert_use( - &scope, - mod_path_to_ast(&it), - &config.insert_use, - ); - } + if let Ok(serde_json::Value::Object(it)) = serde_json::from_str(&node_string) { + let import_scope = ImportScope::find_insert_use_container(node, sema)?; + let range = node.text_range(); + let mut edit = TextEdit::builder(); + edit.delete(range); + let mut state = State::default(); + let semantics_scope = sema.scope(node)?; + let scope_resolve = + |it| semantics_scope.speculative_resolve(&make::path_from_text(it)); + let scope_has = |it| scope_resolve(it).is_some(); + let deserialize_resolved = scope_resolve("::serde::Deserialize"); + let serialize_resolved = scope_resolve("::serde::Serialize"); + state.has_deserialize = deserialize_resolved.is_some(); + state.has_serialize = serialize_resolved.is_some(); + state.build_struct(&it); + edit.insert(range.start(), state.result); + acc.push( + Diagnostic::new( + "json-is-not-rust", + "JSON syntax is not valid as a Rust item", + range, + ) + .severity(Severity::WeakWarning) + .with_fixes(Some(vec![{ + let mut scb = SourceChangeBuilder::new(file_id); + let scope = match import_scope { + ImportScope::File(it) => ImportScope::File(scb.make_mut(it)), + ImportScope::Module(it) => ImportScope::Module(scb.make_mut(it)), + ImportScope::Block(it) => ImportScope::Block(scb.make_mut(it)), + }; + let current_module = semantics_scope.module(); + if !scope_has("Serialize") { + if let Some(PathResolution::Def(it)) = serialize_resolved { + if let Some(it) = current_module.find_use_path_prefixed( + sema.db, + it, + config.insert_use.prefix_kind, + config.prefer_no_std, + ) { + insert_use(&scope, mod_path_to_ast(&it), &config.insert_use); } } - if !scope_has("Deserialize") { - if let Some(PathResolution::Def(it)) = deserialize_resolved { - if let Some(it) = current_module.find_use_path_prefixed( - sema.db, - it, - config.insert_use.prefix_kind, - config.prefer_no_std, - ) { - insert_use( - &scope, - mod_path_to_ast(&it), - &config.insert_use, - ); - } + } + if !scope_has("Deserialize") { + if let Some(PathResolution::Def(it)) = deserialize_resolved { + if let Some(it) = current_module.find_use_path_prefixed( + sema.db, + it, + config.insert_use.prefix_kind, + config.prefer_no_std, + ) { + insert_use(&scope, mod_path_to_ast(&it), &config.insert_use); } } - let mut sc = scb.finish(); - sc.insert_source_edit(file_id, edit.finish()); - fix("convert_json_to_struct", "Convert JSON to struct", sc, range) - }])), - ); - } + } + let mut sc = scb.finish(); + sc.insert_source_edit(file_id, edit.finish()); + fix("convert_json_to_struct", "Convert JSON to struct", sc, range) + }])), + ); } } Some(()) diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs index b363a516dd1..0b3121c765d 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/private_assoc_item.rs @@ -11,10 +11,7 @@ pub(crate) fn private_assoc_item( d: &hir::PrivateAssocItem, ) -> Diagnostic { // FIXME: add quickfix - let name = match d.item.name(ctx.sema.db) { - Some(name) => format!("`{}` ", name), - None => String::new(), - }; + let name = d.item.name(ctx.sema.db).map(|name| format!("`{name}` ")).unwrap_or_default(); Diagnostic::new( "private-assoc-item", format!( diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs index be70f0ac4f7..3d45a75913a 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unlinked_file.rs @@ -1,13 +1,15 @@ //! Diagnostic emitted for files that aren't part of any crate. -use hir::db::DefDatabase; +use std::iter; + +use hir::{db::DefDatabase, InFile, ModuleSource}; use ide_db::{ base_db::{FileId, FileLoader, SourceDatabase, SourceDatabaseExt}, source_change::SourceChange, RootDatabase, }; use syntax::{ - ast::{self, HasModuleItem, HasName}, + ast::{self, edit::IndentLevel, HasModuleItem, HasName}, AstNode, TextRange, TextSize, }; use text_edit::TextEdit; @@ -42,47 +44,99 @@ fn fixes(ctx: &DiagnosticsContext<'_>, file_id: FileId) -> Option<Vec<Assist>> { let source_root = ctx.sema.db.source_root(ctx.sema.db.file_source_root(file_id)); let our_path = source_root.path_for_file(&file_id)?; - let (mut module_name, _) = our_path.name_and_extension()?; - - // Candidates to look for: - // - `mod.rs`, `main.rs` and `lib.rs` in the same folder - // - `$dir.rs` in the parent folder, where `$dir` is the directory containing `self.file_id` let parent = our_path.parent()?; - let paths = { - let parent = if module_name == "mod" { - // for mod.rs we need to actually look up one higher - // and take the parent as our to be module name - let (name, _) = parent.name_and_extension()?; - module_name = name; - parent.parent()? - } else { - parent - }; - let mut paths = - vec![parent.join("mod.rs")?, parent.join("lib.rs")?, parent.join("main.rs")?]; - - // `submod/bla.rs` -> `submod.rs` - let parent_mod = (|| { + let (module_name, _) = our_path.name_and_extension()?; + let (parent, module_name) = match module_name { + // for mod.rs we need to actually look up one higher + // and take the parent as our to be module name + "mod" => { let (name, _) = parent.name_and_extension()?; - parent.parent()?.join(&format!("{name}.rs")) - })(); - paths.extend(parent_mod); - paths + (parent.parent()?, name.to_owned()) + } + _ => (parent, module_name.to_owned()), }; - for &parent_id in paths.iter().filter_map(|path| source_root.file_for_path(path)) { - for &krate in ctx.sema.db.relevant_crates(parent_id).iter() { - let crate_def_map = ctx.sema.db.crate_def_map(krate); - for (_, module) in crate_def_map.modules() { - if module.origin.is_inline() { - // We don't handle inline `mod parent {}`s, they use different paths. - continue; - } + // check crate roots, i.e. main.rs, lib.rs, ... + 'crates: for &krate in &*ctx.sema.db.relevant_crates(file_id) { + let crate_def_map = ctx.sema.db.crate_def_map(krate); + + let root_module = &crate_def_map[crate_def_map.root()]; + let Some(root_file_id) = root_module.origin.file_id() else { continue }; + let Some(crate_root_path) = source_root.path_for_file(&root_file_id) else { continue }; + let Some(rel) = parent.strip_prefix(&crate_root_path.parent()?) else { continue }; + + // try resolving the relative difference of the paths as inline modules + let mut current = root_module; + for ele in rel.as_ref().components() { + let seg = match ele { + std::path::Component::Normal(seg) => seg.to_str()?, + std::path::Component::RootDir => continue, + // shouldn't occur + _ => continue 'crates, + }; + match current.children.iter().find(|(name, _)| name.to_smol_str() == seg) { + Some((_, &child)) => current = &crate_def_map[child], + None => continue 'crates, + } + if !current.origin.is_inline() { + continue 'crates; + } + } + + let InFile { file_id: parent_file_id, value: source } = + current.definition_source(ctx.sema.db); + let parent_file_id = parent_file_id.file_id()?; + return make_fixes(ctx.sema.db, parent_file_id, source, &module_name, file_id); + } - if module.origin.file_id() == Some(parent_id) { - return make_fixes(ctx.sema.db, parent_id, module_name, file_id); + // if we aren't adding to a crate root, walk backwards such that we support `#[path = ...]` overrides if possible + + // build all parent paths of the form `../module_name/mod.rs` and `../module_name.rs` + let paths = iter::successors(Some(parent.clone()), |prev| prev.parent()).filter_map(|path| { + let parent = path.parent()?; + let (name, _) = path.name_and_extension()?; + Some(([parent.join(&format!("{name}.rs"))?, path.join("mod.rs")?], name.to_owned())) + }); + let mut stack = vec![]; + let &parent_id = + paths.inspect(|(_, name)| stack.push(name.clone())).find_map(|(paths, _)| { + paths.into_iter().find_map(|path| source_root.file_for_path(&path)) + })?; + stack.pop(); + 'crates: for &krate in ctx.sema.db.relevant_crates(parent_id).iter() { + let crate_def_map = ctx.sema.db.crate_def_map(krate); + let Some((_, module)) = + crate_def_map.modules() + .find(|(_, module)| module.origin.file_id() == Some(parent_id) && !module.origin.is_inline()) + else { continue }; + + if stack.is_empty() { + return make_fixes( + ctx.sema.db, + parent_id, + module.definition_source(ctx.sema.db).value, + &module_name, + file_id, + ); + } else { + // direct parent file is missing, + // try finding a parent that has an inline tree from here on + let mut current = module; + for s in stack.iter().rev() { + match module.children.iter().find(|(name, _)| name.to_smol_str() == s) { + Some((_, child)) => { + current = &crate_def_map[*child]; + } + None => continue 'crates, + } + if !current.origin.is_inline() { + continue 'crates; } } + let InFile { file_id: parent_file_id, value: source } = + current.definition_source(ctx.sema.db); + let parent_file_id = parent_file_id.file_id()?; + return make_fixes(ctx.sema.db, parent_file_id, source, &module_name, file_id); } } @@ -92,6 +146,7 @@ fn fixes(ctx: &DiagnosticsContext<'_>, file_id: FileId) -> Option<Vec<Assist>> { fn make_fixes( db: &RootDatabase, parent_file_id: FileId, + source: ModuleSource, new_mod_name: &str, added_file_id: FileId, ) -> Option<Vec<Assist>> { @@ -102,14 +157,18 @@ fn make_fixes( let mod_decl = format!("mod {new_mod_name};"); let pub_mod_decl = format!("pub mod {new_mod_name};"); - let ast: ast::SourceFile = db.parse(parent_file_id).tree(); - let mut mod_decl_builder = TextEdit::builder(); let mut pub_mod_decl_builder = TextEdit::builder(); + let mut items = match &source { + ModuleSource::SourceFile(it) => it.items(), + ModuleSource::Module(it) => it.item_list()?.items(), + ModuleSource::BlockExpr(_) => return None, + }; + // If there's an existing `mod m;` statement matching the new one, don't emit a fix (it's // probably `#[cfg]`d out). - for item in ast.items() { + for item in items.clone() { if let ast::Item::Module(m) = item { if let Some(name) = m.name() { if m.item_list().is_none() && name.to_string() == new_mod_name { @@ -121,28 +180,40 @@ fn make_fixes( } // If there are existing `mod m;` items, append after them (after the first group of them, rather). - match ast.items().skip_while(|item| !is_outline_mod(item)).take_while(is_outline_mod).last() { + match items.clone().skip_while(|item| !is_outline_mod(item)).take_while(is_outline_mod).last() { Some(last) => { cov_mark::hit!(unlinked_file_append_to_existing_mods); let offset = last.syntax().text_range().end(); - mod_decl_builder.insert(offset, format!("\n{mod_decl}")); - pub_mod_decl_builder.insert(offset, format!("\n{pub_mod_decl}")); + let indent = IndentLevel::from_node(last.syntax()); + mod_decl_builder.insert(offset, format!("\n{indent}{mod_decl}")); + pub_mod_decl_builder.insert(offset, format!("\n{indent}{pub_mod_decl}")); } None => { // Prepend before the first item in the file. - match ast.items().next() { - Some(item) => { + match items.next() { + Some(first) => { cov_mark::hit!(unlinked_file_prepend_before_first_item); - let offset = item.syntax().text_range().start(); - mod_decl_builder.insert(offset, format!("{mod_decl}\n\n")); - pub_mod_decl_builder.insert(offset, format!("{pub_mod_decl}\n\n")); + let offset = first.syntax().text_range().start(); + let indent = IndentLevel::from_node(first.syntax()); + mod_decl_builder.insert(offset, format!("{mod_decl}\n\n{indent}")); + pub_mod_decl_builder.insert(offset, format!("{pub_mod_decl}\n\n{indent}")); } None => { // No items in the file, so just append at the end. cov_mark::hit!(unlinked_file_empty_file); - let offset = ast.syntax().text_range().end(); - mod_decl_builder.insert(offset, format!("{mod_decl}\n")); - pub_mod_decl_builder.insert(offset, format!("{pub_mod_decl}\n")); + let mut indent = IndentLevel::from(0); + let offset = match &source { + ModuleSource::SourceFile(it) => it.syntax().text_range().end(), + ModuleSource::Module(it) => { + indent = IndentLevel::from_node(it.syntax()) + 1; + it.item_list()?.r_curly_token()?.text_range().start() + } + ModuleSource::BlockExpr(it) => { + it.stmt_list()?.r_curly_token()?.text_range().start() + } + }; + mod_decl_builder.insert(offset, format!("{indent}{mod_decl}\n")); + pub_mod_decl_builder.insert(offset, format!("{indent}{pub_mod_decl}\n")); } } } @@ -167,7 +238,6 @@ fn make_fixes( #[cfg(test)] mod tests { - use crate::tests::{check_diagnostics, check_fix, check_fixes, check_no_fix}; #[test] @@ -333,4 +403,62 @@ mod foo; "#, ); } + + #[test] + fn unlinked_file_insert_into_inline_simple() { + check_fix( + r#" +//- /main.rs +mod bar; +//- /bar.rs +mod foo { +} +//- /bar/foo/baz.rs +$0 +"#, + r#" +mod foo { + mod baz; +} +"#, + ); + } + + #[test] + fn unlinked_file_insert_into_inline_simple_modrs() { + check_fix( + r#" +//- /main.rs +mod bar; +//- /bar.rs +mod baz { +} +//- /bar/baz/foo/mod.rs +$0 +"#, + r#" +mod baz { + mod foo; +} +"#, + ); + } + + #[test] + fn unlinked_file_insert_into_inline_simple_modrs_main() { + check_fix( + r#" +//- /main.rs +mod bar { +} +//- /bar/foo/mod.rs +$0 +"#, + r#" +mod bar { + mod foo; +} +"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs index b2ed19104e2..9a984ba6bf0 100644 --- a/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs +++ b/src/tools/rust-analyzer/crates/ide-diagnostics/src/handlers/unresolved_proc_macro.rs @@ -34,10 +34,7 @@ pub(crate) fn unresolved_proc_macro( let message = format!( "{message}: {}", if config_enabled { - match def_map.proc_macro_loading_error() { - Some(e) => e, - None => "proc macro not found in the built dylib", - } + def_map.proc_macro_loading_error().unwrap_or("proc macro not found in the built dylib") } else { match d.kind { hir::MacroKind::Attr if proc_macros_enabled => { diff --git a/src/tools/rust-analyzer/crates/ide-ssr/Cargo.toml b/src/tools/rust-analyzer/crates/ide-ssr/Cargo.toml index 7be62a8d9ff..04efa7b91d8 100644 --- a/src/tools/rust-analyzer/crates/ide-ssr/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide-ssr/Cargo.toml @@ -2,10 +2,12 @@ name = "ide-ssr" version = "0.0.0" description = "Structural search and replace of Rust code" -license = "MIT OR Apache-2.0" repository = "https://github.com/rust-lang/rust-analyzer" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -14,13 +16,16 @@ doctest = false cov-mark = "2.0.0-pre.1" itertools = "0.10.5" -text-edit = { path = "../text-edit", version = "0.0.0" } -parser = { path = "../parser", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -ide-db = { path = "../ide-db", version = "0.0.0" } -hir = { path = "../hir", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } +# local deps +hir.workspace = true +ide-db.workspace = true +parser.workspace = true +stdx.workspace = true +syntax.workspace = true +text-edit.workspace = true [dev-dependencies] -test-utils = { path = "../test-utils" } expect-test = "1.4.0" + +# local deps +test-utils.workspace = true diff --git a/src/tools/rust-analyzer/crates/ide/Cargo.toml b/src/tools/rust-analyzer/crates/ide/Cargo.toml index 73f202630f1..414c08ff7e0 100644 --- a/src/tools/rust-analyzer/crates/ide/Cargo.toml +++ b/src/tools/rust-analyzer/crates/ide/Cargo.toml @@ -2,9 +2,11 @@ name = "ide" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -20,28 +22,31 @@ pulldown-cmark-to-cmark = "10.0.4" pulldown-cmark = { version = "0.9.1", default-features = false } url = "2.3.1" dot = "0.1.4" +smallvec = "1.10.0" -stdx = { path = "../stdx", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -text-edit = { path = "../text-edit", version = "0.0.0" } -ide-db = { path = "../ide-db", version = "0.0.0" } -cfg = { path = "../cfg", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -ide-assists = { path = "../ide-assists", version = "0.0.0" } -ide-diagnostics = { path = "../ide-diagnostics", version = "0.0.0" } -ide-ssr = { path = "../ide-ssr", version = "0.0.0" } -ide-completion = { path = "../ide-completion", version = "0.0.0" } - +# local deps +cfg.workspace = true +ide-assists.workspace = true +ide-completion.workspace = true +ide-db.workspace = true +ide-diagnostics.workspace = true +ide-ssr.workspace = true +profile.workspace = true +stdx.workspace = true +syntax.workspace = true +text-edit.workspace = true # ide should depend only on the top-level `hir` package. if you need # something from some `hir-xxx` subpackage, reexport the API via `hir`. -hir = { path = "../hir", version = "0.0.0" } +hir.workspace = true [target.'cfg(not(any(target_arch = "wasm32", target_os = "emscripten")))'.dependencies] -toolchain = { path = "../toolchain", version = "0.0.0" } +toolchain.workspace = true [dev-dependencies] -test-utils = { path = "../test-utils" } expect-test = "1.4.0" +# local deps +test-utils.workspace = true + [features] in-rust-tree = ["ide-assists/in-rust-tree", "ide-diagnostics/in-rust-tree"] diff --git a/src/tools/rust-analyzer/crates/ide/src/file_structure.rs b/src/tools/rust-analyzer/crates/ide/src/file_structure.rs index 68fd0952b48..b23763dce86 100644 --- a/src/tools/rust-analyzer/crates/ide/src/file_structure.rs +++ b/src/tools/rust-analyzer/crates/ide/src/file_structure.rs @@ -160,7 +160,11 @@ fn structure_node(node: &SyntaxNode) -> Option<StructureNode> { let label = match target_trait { None => format!("impl {}", target_type.syntax().text()), Some(t) => { - format!("impl {} for {}", t.syntax().text(), target_type.syntax().text(),) + format!("impl {}{} for {}", + it.excl_token().map(|x| x.to_string()).unwrap_or_default(), + t.syntax().text(), + target_type.syntax().text(), + ) } }; @@ -214,6 +218,29 @@ mod tests { } #[test] + fn test_nagative_trait_bound() { + let txt = r#"impl !Unpin for Test {}"#; + check( + txt, + expect![[r#" + [ + StructureNode { + parent: None, + label: "impl !Unpin for Test", + navigation_range: 16..20, + node_range: 0..23, + kind: SymbolKind( + Impl, + ), + detail: None, + deprecated: false, + }, + ] + "#]], + ); + } + + #[test] fn test_file_structure() { check( r#" diff --git a/src/tools/rust-analyzer/crates/ide/src/goto_declaration.rs b/src/tools/rust-analyzer/crates/ide/src/goto_declaration.rs index c7130a2a4bb..e70bc2ec541 100644 --- a/src/tools/rust-analyzer/crates/ide/src/goto_declaration.rs +++ b/src/tools/rust-analyzer/crates/ide/src/goto_declaration.rs @@ -17,6 +17,7 @@ use crate::{ // This is the same as `Go to Definition` with the following exceptions: // - outline modules will navigate to the `mod name;` item declaration // - trait assoc items will navigate to the assoc item of the trait declaration opposed to the trait impl +// - fields in patterns will navigate to the field declaration of the struct, union or variant pub(crate) fn goto_declaration( db: &RootDatabase, position: FilePosition, diff --git a/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs b/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs index 73fd518a9ef..93019527f44 100644 --- a/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs +++ b/src/tools/rust-analyzer/crates/ide/src/goto_definition.rs @@ -1916,4 +1916,68 @@ fn main() { "#, ) } + + #[test] + fn query_impls_in_nearest_block() { + check( + r#" +struct S1; +impl S1 { + fn e() -> () {} +} +fn f1() { + struct S1; + impl S1 { + fn e() -> () {} + //^ + } + fn f2() { + fn f3() { + S1::e$0(); + } + } +} +"#, + ); + + check( + r#" +struct S1; +impl S1 { + fn e() -> () {} +} +fn f1() { + struct S1; + impl S1 { + fn e() -> () {} + //^ + } + fn f2() { + struct S2; + S1::e$0(); + } +} +fn f12() { + struct S1; + impl S1 { + fn e() -> () {} + } +} +"#, + ); + + check( + r#" +struct S1; +impl S1 { + fn e() -> () {} + //^ +} +fn f2() { + struct S2; + S1::e$0(); +} +"#, + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs b/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs index 55f8779eed7..c889eb930f3 100644 --- a/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs +++ b/src/tools/rust-analyzer/crates/ide/src/highlight_related.rs @@ -1356,7 +1356,6 @@ fn main() { r#" trait Trait { fn func(self) {} - //^^^^ } impl Trait for () { @@ -1376,7 +1375,6 @@ fn main() { r#" trait Trait { fn func(self) {} - //^^^^ } impl Trait for () { diff --git a/src/tools/rust-analyzer/crates/ide/src/hover.rs b/src/tools/rust-analyzer/crates/ide/src/hover.rs index b214fa12a4f..2058a4f5f19 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover.rs @@ -15,10 +15,11 @@ use ide_db::{ FxIndexSet, RootDatabase, }; use itertools::Itertools; -use syntax::{ast, match_ast, AstNode, SyntaxKind::*, SyntaxNode, SyntaxToken, T}; +use syntax::{ast, AstNode, SyntaxKind::*, SyntaxNode, T}; use crate::{ doc_links::token_as_doc_comment, + markdown_remove::remove_markdown, markup::Markup, runnables::{runnable_fn, runnable_mod}, FileId, FilePosition, NavigationTarget, RangeInfo, Runnable, TryToNav, @@ -26,14 +27,9 @@ use crate::{ #[derive(Clone, Debug, PartialEq, Eq)] pub struct HoverConfig { pub links_in_hover: bool, - pub documentation: Option<HoverDocFormat>, + pub documentation: bool, pub keywords: bool, -} - -impl HoverConfig { - fn markdown(&self) -> bool { - matches!(self.documentation, Some(HoverDocFormat::Markdown)) - } + pub format: HoverDocFormat, } #[derive(Clone, Debug, PartialEq, Eq)] @@ -90,19 +86,38 @@ pub struct HoverResult { // image::https://user-images.githubusercontent.com/48062697/113020658-b5f98b80-917a-11eb-9f88-3dbc27320c95.gif[] pub(crate) fn hover( db: &RootDatabase, - FileRange { file_id, range }: FileRange, + frange @ FileRange { file_id, range }: FileRange, config: &HoverConfig, ) -> Option<RangeInfo<HoverResult>> { let sema = &hir::Semantics::new(db); let file = sema.parse(file_id).syntax().clone(); + let mut res = if range.is_empty() { + hover_simple(sema, FilePosition { file_id, offset: range.start() }, file, config) + } else { + hover_ranged(sema, frange, file, config) + }?; - if !range.is_empty() { - return hover_ranged(&file, range, sema, config); + if let HoverDocFormat::PlainText = config.format { + res.info.markup = remove_markdown(res.info.markup.as_str()).into(); } - let offset = range.start(); + Some(res) +} +fn hover_simple( + sema: &Semantics<'_, RootDatabase>, + FilePosition { file_id, offset }: FilePosition, + file: SyntaxNode, + config: &HoverConfig, +) -> Option<RangeInfo<HoverResult>> { let original_token = pick_best_token(file.token_at_offset(offset), |kind| match kind { - IDENT | INT_NUMBER | LIFETIME_IDENT | T![self] | T![super] | T![crate] | T![Self] => 4, + IDENT + | INT_NUMBER + | LIFETIME_IDENT + | T![self] + | T![super] + | T![crate] + | T![Self] + | T![_] => 4, // index and prefix ops T!['['] | T![']'] | T![?] | T![*] | T![-] | T![!] => 3, kind if kind.is_keyword() => 2, @@ -135,19 +150,18 @@ pub(crate) fn hover( } else { sema.descend_into_macros_with_same_text(original_token.clone()) }; + let descended = || descended.iter(); - // try lint hover - let result = descended - .iter() + let result = descended() + // try lint hover .find_map(|token| { // FIXME: Definition should include known lints and the like instead of having this special case here let attr = token.parent_ancestors().find_map(ast::Attr::cast)?; render::try_for_lint(&attr, token) }) - // try item definitions + // try definitions .or_else(|| { - descended - .iter() + descended() .filter_map(|token| { let node = token.parent()?; let class = IdentClass::classify_token(sema, token)?; @@ -168,10 +182,12 @@ pub(crate) fn hover( }) }) // try keywords - .or_else(|| descended.iter().find_map(|token| render::keyword(sema, config, token))) - // try rest item hover + .or_else(|| descended().find_map(|token| render::keyword(sema, config, token))) + // try _ hovers + .or_else(|| descended().find_map(|token| render::underscore(sema, config, token))) + // try rest pattern hover .or_else(|| { - descended.iter().find_map(|token| { + descended().find_map(|token| { if token.kind() != DOT2 { return None; } @@ -187,58 +203,24 @@ pub(crate) fn hover( }) }); - result - .map(|mut res: HoverResult| { - res.actions = dedupe_or_merge_hover_actions(res.actions); - RangeInfo::new(original_token.text_range(), res) - }) - // fallback to type hover if there aren't any other suggestions - // this finds its own range instead of using the closest token's range - .or_else(|| { - descended.iter().find_map(|token| hover_type_fallback(sema, config, token, token)) - }) -} - -pub(crate) fn hover_for_definition( - sema: &Semantics<'_, RootDatabase>, - file_id: FileId, - definition: Definition, - node: &SyntaxNode, - config: &HoverConfig, -) -> Option<HoverResult> { - let famous_defs = match &definition { - Definition::BuiltinType(_) => Some(FamousDefs(sema, sema.scope(node)?.krate())), - _ => None, - }; - render::definition(sema.db, definition, famous_defs.as_ref(), config).map(|markup| { - HoverResult { - markup: render::process_markup(sema.db, definition, &markup, config), - actions: show_implementations_action(sema.db, definition) - .into_iter() - .chain(show_fn_references_action(sema.db, definition)) - .chain(runnable_action(sema, definition, file_id)) - .chain(goto_type_action_for_def(sema.db, definition)) - .collect(), - } + result.map(|mut res: HoverResult| { + res.actions = dedupe_or_merge_hover_actions(res.actions); + RangeInfo::new(original_token.text_range(), res) }) } fn hover_ranged( - file: &SyntaxNode, - range: syntax::TextRange, sema: &Semantics<'_, RootDatabase>, + FileRange { range, .. }: FileRange, + file: SyntaxNode, config: &HoverConfig, ) -> Option<RangeInfo<HoverResult>> { // FIXME: make this work in attributes - let expr_or_pat = file.covering_element(range).ancestors().find_map(|it| { - match_ast! { - match it { - ast::Expr(expr) => Some(Either::Left(expr)), - ast::Pat(pat) => Some(Either::Right(pat)), - _ => None, - } - } - })?; + let expr_or_pat = file + .covering_element(range) + .ancestors() + .take_while(|it| ast::MacroCall::can_cast(it.kind()) || !ast::Item::can_cast(it.kind())) + .find_map(Either::<ast::Expr, ast::Pat>::cast)?; let res = match &expr_or_pat { Either::Left(ast::Expr::TryExpr(try_expr)) => render::try_expr(sema, config, try_expr), Either::Left(ast::Expr::PrefixExpr(prefix_expr)) @@ -248,7 +230,7 @@ fn hover_ranged( } _ => None, }; - let res = res.or_else(|| render::type_info(sema, config, &expr_or_pat)); + let res = res.or_else(|| render::type_info_of(sema, config, &expr_or_pat)); res.map(|it| { let range = match expr_or_pat { Either::Left(it) => it.syntax().text_range(), @@ -258,37 +240,31 @@ fn hover_ranged( }) } -fn hover_type_fallback( +pub(crate) fn hover_for_definition( sema: &Semantics<'_, RootDatabase>, + file_id: FileId, + definition: Definition, + node: &SyntaxNode, config: &HoverConfig, - token: &SyntaxToken, - original_token: &SyntaxToken, -) -> Option<RangeInfo<HoverResult>> { - let node = - token.parent_ancestors().take_while(|it| !ast::Item::can_cast(it.kind())).find(|n| { - ast::Expr::can_cast(n.kind()) - || ast::Pat::can_cast(n.kind()) - || ast::Type::can_cast(n.kind()) - })?; - - let expr_or_pat = match_ast! { - match node { - ast::Expr(it) => Either::Left(it), - ast::Pat(it) => Either::Right(it), - // If this node is a MACRO_CALL, it means that `descend_into_macros_many` failed to resolve. - // (e.g expanding a builtin macro). So we give up here. - ast::MacroCall(_it) => return None, - _ => return None, - } +) -> Option<HoverResult> { + let famous_defs = match &definition { + Definition::BuiltinType(_) => Some(FamousDefs(sema, sema.scope(node)?.krate())), + _ => None, }; - - let res = render::type_info(sema, config, &expr_or_pat)?; - - let range = sema - .original_range_opt(&node) - .map(|frange| frange.range) - .unwrap_or_else(|| original_token.text_range()); - Some(RangeInfo::new(range, res)) + render::definition(sema.db, definition, famous_defs.as_ref(), config).map(|markup| { + HoverResult { + markup: render::process_markup(sema.db, definition, &markup, config), + actions: [ + show_implementations_action(sema.db, definition), + show_fn_references_action(sema.db, definition), + runnable_action(sema, definition, file_id), + goto_type_action_for_def(sema.db, definition), + ] + .into_iter() + .flatten() + .collect(), + } + }) } fn show_implementations_action(db: &RootDatabase, def: Definition) -> Option<HoverAction> { diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/render.rs b/src/tools/rust-analyzer/crates/ide/src/hover/render.rs index 47257f0bfad..22611cfb892 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/render.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/render.rs @@ -26,58 +26,24 @@ use syntax::{ use crate::{ doc_links::{remove_links, rewrite_links}, hover::walk_and_push_ty, - markdown_remove::remove_markdown, HoverAction, HoverConfig, HoverResult, Markup, }; -pub(super) fn type_info( +pub(super) fn type_info_of( sema: &Semantics<'_, RootDatabase>, - config: &HoverConfig, + _config: &HoverConfig, expr_or_pat: &Either<ast::Expr, ast::Pat>, ) -> Option<HoverResult> { let TypeInfo { original, adjusted } = match expr_or_pat { Either::Left(expr) => sema.type_of_expr(expr)?, Either::Right(pat) => sema.type_of_pat(pat)?, }; - - let mut res = HoverResult::default(); - let mut targets: Vec<hir::ModuleDef> = Vec::new(); - let mut push_new_def = |item: hir::ModuleDef| { - if !targets.contains(&item) { - targets.push(item); - } - }; - walk_and_push_ty(sema.db, &original, &mut push_new_def); - - res.markup = if let Some(adjusted_ty) = adjusted { - walk_and_push_ty(sema.db, &adjusted_ty, &mut push_new_def); - let original = original.display(sema.db).to_string(); - let adjusted = adjusted_ty.display(sema.db).to_string(); - let static_text_diff_len = "Coerced to: ".len() - "Type: ".len(); - format!( - "{bt_start}Type: {:>apad$}\nCoerced to: {:>opad$}\n{bt_end}", - original, - adjusted, - apad = static_text_diff_len + adjusted.len().max(original.len()), - opad = original.len(), - bt_start = if config.markdown() { "```text\n" } else { "" }, - bt_end = if config.markdown() { "```\n" } else { "" } - ) - .into() - } else { - if config.markdown() { - Markup::fenced_block(&original.display(sema.db)) - } else { - original.display(sema.db).to_string().into() - } - }; - res.actions.push(HoverAction::goto_type_from_targets(sema.db, targets)); - Some(res) + type_info(sema, _config, original, adjusted) } pub(super) fn try_expr( sema: &Semantics<'_, RootDatabase>, - config: &HoverConfig, + _config: &HoverConfig, try_expr: &ast::TryExpr, ) -> Option<HoverResult> { let inner_ty = sema.type_of_expr(&try_expr.expr()?)?.original; @@ -153,14 +119,12 @@ pub(super) fn try_expr( let ppad = static_text_len_diff.min(0).abs() as usize; res.markup = format!( - "{bt_start}{} Type: {:>pad0$}\nPropagated as: {:>pad1$}\n{bt_end}", + "```text\n{} Type: {:>pad0$}\nPropagated as: {:>pad1$}\n```\n", s, inner_ty, body_ty, pad0 = ty_len_max + tpad, pad1 = ty_len_max + ppad, - bt_start = if config.markdown() { "```text\n" } else { "" }, - bt_end = if config.markdown() { "```\n" } else { "" } ) .into(); Some(res) @@ -168,7 +132,7 @@ pub(super) fn try_expr( pub(super) fn deref_expr( sema: &Semantics<'_, RootDatabase>, - config: &HoverConfig, + _config: &HoverConfig, deref_expr: &ast::PrefixExpr, ) -> Option<HoverResult> { let inner_ty = sema.type_of_expr(&deref_expr.expr()?)?.original; @@ -197,15 +161,13 @@ pub(super) fn deref_expr( .max(adjusted.len() + coerced_len) .max(inner.len() + deref_len); format!( - "{bt_start}Dereferenced from: {:>ipad$}\nTo type: {:>apad$}\nCoerced to: {:>opad$}\n{bt_end}", + "```text\nDereferenced from: {:>ipad$}\nTo type: {:>apad$}\nCoerced to: {:>opad$}\n```\n", inner, original, adjusted, ipad = max_len - deref_len, apad = max_len - type_len, opad = max_len - coerced_len, - bt_start = if config.markdown() { "```text\n" } else { "" }, - bt_end = if config.markdown() { "```\n" } else { "" } ) .into() } else { @@ -215,13 +177,11 @@ pub(super) fn deref_expr( let deref_len = "Dereferenced from: ".len(); let max_len = (original.len() + type_len).max(inner.len() + deref_len); format!( - "{bt_start}Dereferenced from: {:>ipad$}\nTo type: {:>apad$}\n{bt_end}", + "```text\nDereferenced from: {:>ipad$}\nTo type: {:>apad$}\n```\n", inner, original, ipad = max_len - deref_len, apad = max_len - type_len, - bt_start = if config.markdown() { "```text\n" } else { "" }, - bt_end = if config.markdown() { "```\n" } else { "" } ) .into() }; @@ -230,12 +190,54 @@ pub(super) fn deref_expr( Some(res) } +pub(super) fn underscore( + sema: &Semantics<'_, RootDatabase>, + config: &HoverConfig, + token: &SyntaxToken, +) -> Option<HoverResult> { + if token.kind() != T![_] { + return None; + } + let parent = token.parent()?; + let _it = match_ast! { + match parent { + ast::InferType(it) => it, + ast::UnderscoreExpr(it) => return type_info_of(sema, config, &Either::Left(ast::Expr::UnderscoreExpr(it))), + ast::WildcardPat(it) => return type_info_of(sema, config, &Either::Right(ast::Pat::WildcardPat(it))), + _ => return None, + } + }; + // let it = infer_type.syntax().parent()?; + // match_ast! { + // match it { + // ast::LetStmt(_it) => (), + // ast::Param(_it) => (), + // ast::RetType(_it) => (), + // ast::TypeArg(_it) => (), + + // ast::CastExpr(_it) => (), + // ast::ParenType(_it) => (), + // ast::TupleType(_it) => (), + // ast::PtrType(_it) => (), + // ast::RefType(_it) => (), + // ast::ArrayType(_it) => (), + // ast::SliceType(_it) => (), + // ast::ForType(_it) => (), + // _ => return None, + // } + // } + + // FIXME: https://github.com/rust-lang/rust-analyzer/issues/11762, this currently always returns Unknown + // type_info(sema, config, sema.resolve_type(&ast::Type::InferType(it))?, None) + None +} + pub(super) fn keyword( sema: &Semantics<'_, RootDatabase>, config: &HoverConfig, token: &SyntaxToken, ) -> Option<HoverResult> { - if !token.kind().is_keyword() || !config.documentation.is_some() || !config.keywords { + if !token.kind().is_keyword() || !config.documentation || !config.keywords { return None; } let parent = token.parent()?; @@ -259,7 +261,7 @@ pub(super) fn keyword( /// i.e. `let S {a, ..} = S {a: 1, b: 2}` pub(super) fn struct_rest_pat( sema: &Semantics<'_, RootDatabase>, - config: &HoverConfig, + _config: &HoverConfig, pattern: &RecordPat, ) -> HoverResult { let missing_fields = sema.record_pattern_missing_fields(pattern); @@ -288,11 +290,7 @@ pub(super) fn struct_rest_pat( // get rid of trailing comma s.truncate(s.len() - 2); - if config.markdown() { - Markup::fenced_block(&s) - } else { - s.into() - } + Markup::fenced_block(&s) }; res.actions.push(HoverAction::goto_type_from_targets(sema.db, targets)); res @@ -346,13 +344,8 @@ pub(super) fn process_markup( config: &HoverConfig, ) -> Markup { let markup = markup.as_str(); - let markup = if !config.markdown() { - remove_markdown(markup) - } else if config.links_in_hover { - rewrite_links(db, markup, def) - } else { - remove_links(markup) - }; + let markup = + if config.links_in_hover { rewrite_links(db, markup, def) } else { remove_links(markup) }; Markup::from(markup) } @@ -465,8 +458,9 @@ pub(super) fn definition( Definition::DeriveHelper(it) => (format!("derive_helper {}", it.name(db)), None), }; - let docs = match config.documentation { - Some(_) => docs.or_else(|| { + let docs = docs + .filter(|_| config.documentation) + .or_else(|| { // docs are missing, for assoc items of trait impls try to fall back to the docs of the // original item of the trait let assoc = def.as_assoc_item(db)?; @@ -474,13 +468,46 @@ pub(super) fn definition( let name = Some(assoc.name(db)?); let item = trait_.items(db).into_iter().find(|it| it.name(db) == name)?; item.docs(db) - }), - None => None, - }; - let docs = docs.filter(|_| config.documentation.is_some()).map(Into::into); + }) + .map(Into::into); markup(docs, label, mod_path) } +fn type_info( + sema: &Semantics<'_, RootDatabase>, + _config: &HoverConfig, + original: hir::Type, + adjusted: Option<hir::Type>, +) -> Option<HoverResult> { + let mut res = HoverResult::default(); + let mut targets: Vec<hir::ModuleDef> = Vec::new(); + let mut push_new_def = |item: hir::ModuleDef| { + if !targets.contains(&item) { + targets.push(item); + } + }; + walk_and_push_ty(sema.db, &original, &mut push_new_def); + + res.markup = if let Some(adjusted_ty) = adjusted { + walk_and_push_ty(sema.db, &adjusted_ty, &mut push_new_def); + let original = original.display(sema.db).to_string(); + let adjusted = adjusted_ty.display(sema.db).to_string(); + let static_text_diff_len = "Coerced to: ".len() - "Type: ".len(); + format!( + "```text\nType: {:>apad$}\nCoerced to: {:>opad$}\n```\n", + original, + adjusted, + apad = static_text_diff_len + adjusted.len().max(original.len()), + opad = original.len(), + ) + .into() + } else { + Markup::fenced_block(&original.display(sema.db)) + }; + res.actions.push(HoverAction::goto_type_from_targets(sema.db, targets)); + Some(res) +} + fn render_builtin_attr(db: &RootDatabase, attr: hir::BuiltinAttr) -> Option<Markup> { let name = attr.name(db); let desc = format!("#[{name}]"); diff --git a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs index c7f241f2fea..2830212add8 100644 --- a/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs +++ b/src/tools/rust-analyzer/crates/ide/src/hover/tests.rs @@ -2,7 +2,7 @@ use expect_test::{expect, Expect}; use ide_db::base_db::{FileLoader, FileRange}; use syntax::TextRange; -use crate::{fixture, hover::HoverDocFormat, HoverConfig}; +use crate::{fixture, HoverConfig, HoverDocFormat}; fn check_hover_no_result(ra_fixture: &str) { let (analysis, position) = fixture::position(ra_fixture); @@ -10,8 +10,9 @@ fn check_hover_no_result(ra_fixture: &str) { .hover( &HoverConfig { links_in_hover: true, - documentation: Some(HoverDocFormat::Markdown), + documentation: true, keywords: true, + format: HoverDocFormat::Markdown, }, FileRange { file_id: position.file_id, range: TextRange::empty(position.offset) }, ) @@ -26,8 +27,9 @@ fn check(ra_fixture: &str, expect: Expect) { .hover( &HoverConfig { links_in_hover: true, - documentation: Some(HoverDocFormat::Markdown), + documentation: true, keywords: true, + format: HoverDocFormat::Markdown, }, FileRange { file_id: position.file_id, range: TextRange::empty(position.offset) }, ) @@ -47,8 +49,9 @@ fn check_hover_no_links(ra_fixture: &str, expect: Expect) { .hover( &HoverConfig { links_in_hover: false, - documentation: Some(HoverDocFormat::Markdown), + documentation: true, keywords: true, + format: HoverDocFormat::Markdown, }, FileRange { file_id: position.file_id, range: TextRange::empty(position.offset) }, ) @@ -68,8 +71,9 @@ fn check_hover_no_markdown(ra_fixture: &str, expect: Expect) { .hover( &HoverConfig { links_in_hover: true, - documentation: Some(HoverDocFormat::PlainText), + documentation: true, keywords: true, + format: HoverDocFormat::PlainText, }, FileRange { file_id: position.file_id, range: TextRange::empty(position.offset) }, ) @@ -89,8 +93,9 @@ fn check_actions(ra_fixture: &str, expect: Expect) { .hover( &HoverConfig { links_in_hover: true, - documentation: Some(HoverDocFormat::Markdown), + documentation: true, keywords: true, + format: HoverDocFormat::Markdown, }, FileRange { file_id, range: position.range_or_empty() }, ) @@ -105,8 +110,9 @@ fn check_hover_range(ra_fixture: &str, expect: Expect) { .hover( &HoverConfig { links_in_hover: false, - documentation: Some(HoverDocFormat::Markdown), + documentation: true, keywords: true, + format: HoverDocFormat::Markdown, }, range, ) @@ -121,8 +127,9 @@ fn check_hover_range_no_results(ra_fixture: &str) { .hover( &HoverConfig { links_in_hover: false, - documentation: Some(HoverDocFormat::Markdown), + documentation: true, keywords: true, + format: HoverDocFormat::Markdown, }, range, ) @@ -207,37 +214,20 @@ m!(ab$0c); } #[test] -fn hover_shows_type_of_an_expression() { - check( - r#" -pub fn foo() -> u32 { 1 } - -fn main() { - let foo_test = foo()$0; -} -"#, - expect![[r#" - *foo()* - ```rust - u32 - ``` - "#]], - ); -} - -#[test] fn hover_remove_markdown_if_configured() { check_hover_no_markdown( r#" pub fn foo() -> u32 { 1 } fn main() { - let foo_test = foo()$0; + let foo_test = foo$0(); } "#, expect![[r#" - *foo()* - u32 + *foo* + test + + pub fn foo() -> u32 "#]], ); } @@ -297,33 +287,6 @@ fn main() { let foo_test = fo$0o(); } "#]], ); - // Multiple candidates but results are ambiguous. - check( - r#" -//- /a.rs -pub fn foo() -> u32 { 1 } - -//- /b.rs -pub fn foo() -> &str { "" } - -//- /c.rs -pub fn foo(a: u32, b: u32) {} - -//- /main.rs -mod a; -mod b; -mod c; - -fn main() { let foo_test = fo$0o(); } - "#, - expect![[r#" - *foo* - ```rust - {unknown} - ``` - "#]], - ); - // Use literal `crate` in path check( r#" @@ -527,6 +490,7 @@ fn hover_field_offset() { // Hovering over the field when instantiating check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 struct Foo { fiel$0d_a: u8, field_b: i32, field_c: i16 } "#, expect![[r#" @@ -548,6 +512,7 @@ fn hover_shows_struct_field_info() { // Hovering over the field when instantiating check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 struct Foo { field_a: u32 } fn main() { @@ -570,6 +535,7 @@ fn main() { // Hovering over the field in the definition check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 struct Foo { field_a$0: u32 } fn main() { @@ -1184,33 +1150,19 @@ fn test_hover_through_func_in_macro_recursive() { macro_rules! id_deep { ($($tt:tt)*) => { $($tt)* } } macro_rules! id { ($($tt:tt)*) => { id_deep!($($tt)*) } } fn bar() -> u32 { 0 } -fn foo() { let a = id!([0u32, bar($0)] ); } +fn foo() { let a = id!([0u32, bar$0()] ); } "#, expect![[r#" - *bar()* - ```rust - u32 - ``` - "#]], - ); -} + *bar* -#[test] -fn test_hover_through_literal_string_in_macro() { - check( - r#" -macro_rules! arr { ($($tt:tt)*) => { [$($tt)*] } } -fn foo() { - let mastered_for_itunes = ""; - let _ = arr!("Tr$0acks", &mastered_for_itunes); -} -"#, - expect![[r#" - *"Tracks"* - ```rust - &str - ``` - "#]], + ```rust + test + ``` + + ```rust + fn bar() -> u32 + ``` + "#]], ); } @@ -1515,6 +1467,8 @@ fn my() {} fn test_hover_struct_doc_comment() { check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 + /// This is an example /// multiline doc /// @@ -1573,7 +1527,7 @@ fn foo() { let bar = Ba$0r; } ``` ```rust - struct Bar // size = 0, align = 1 + struct Bar ``` --- @@ -1602,7 +1556,7 @@ fn foo() { let bar = Ba$0r; } ``` ```rust - struct Bar // size = 0, align = 1 + struct Bar ``` --- @@ -1630,7 +1584,7 @@ pub struct B$0ar ``` ```rust - pub struct Bar // size = 0, align = 1 + pub struct Bar ``` --- @@ -1657,7 +1611,7 @@ pub struct B$0ar ``` ```rust - pub struct Bar // size = 0, align = 1 + pub struct Bar ``` --- @@ -2959,6 +2913,8 @@ fn main() { let foo_test = name_with_dashes::wrapper::Thing::new$0(); } fn hover_field_pat_shorthand_ref_match_ergonomics() { check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 + struct S { f: i32, } @@ -4398,6 +4354,7 @@ fn main() { fn hover_intra_doc_links() { check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 pub mod theitem { /// This is the item. Cool! @@ -4539,7 +4496,7 @@ trait A where fn string_shadowed_with_inner_items() { check( r#" -//- /main.rs crate:main deps:alloc +//- /main.rs crate:main deps:alloc target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 /// Custom `String` type. struct String; @@ -5234,7 +5191,7 @@ foo_macro!( ``` ```rust - pub struct Foo // size = 0, align = 1 + pub struct Foo ``` --- @@ -5248,6 +5205,8 @@ foo_macro!( fn hover_intra_in_attr() { check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 + #[doc = "Doc comment for [`Foo$0`]"] pub struct Foo(i32); "#, @@ -5368,6 +5327,8 @@ enum Enum { fn hover_record_variant_field() { check( r#" +//- /main.rs target_data_layout:e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128 + enum Enum { RecordV { field$0: u32 } } @@ -5573,3 +5534,81 @@ fn main() { "#]], ); } + +#[test] +fn hover_underscore_pat() { + check( + r#" +fn main() { + let _$0 = 0; +} +"#, + expect![[r#" + *_* + ```rust + i32 + ``` + "#]], + ); + check( + r#" +fn main() { + let (_$0,) = (0,); +} +"#, + expect![[r#" + *_* + ```rust + i32 + ``` + "#]], + ); +} + +#[test] +fn hover_underscore_expr() { + check( + r#" +fn main() { + _$0 = 0; +} +"#, + expect![[r#" + *_* + ```rust + i32 + ``` + "#]], + ); + check( + r#" +fn main() { + (_$0,) = (0,); +} +"#, + expect![[r#" + *_* + ```rust + i32 + ``` + "#]], + ); +} + +#[test] +fn hover_underscore_type() { + check_hover_no_result( + r#" +fn main() { + let x: _$0 = 0; +} +"#, + ); + check_hover_no_result( + r#" +fn main() { + let x: (_$0,) = (0,); +} +"#, + ); +} diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs index 48a7bbfecff..ac477339ec2 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints.rs @@ -4,13 +4,16 @@ use std::{ }; use either::Either; -use hir::{known, HasVisibility, HirDisplay, HirWrite, ModuleDef, ModuleDefId, Semantics}; +use hir::{ + known, HasVisibility, HirDisplay, HirDisplayError, HirWrite, ModuleDef, ModuleDefId, Semantics, +}; use ide_db::{base_db::FileRange, famous_defs::FamousDefs, RootDatabase}; use itertools::Itertools; +use smallvec::{smallvec, SmallVec}; use stdx::never; use syntax::{ ast::{self, AstNode}, - match_ast, NodeOrToken, SyntaxNode, TextRange, TextSize, + match_ast, NodeOrToken, SyntaxNode, TextRange, }; use crate::{navigation_target::TryToNav, FileId}; @@ -28,7 +31,6 @@ mod discriminant; #[derive(Clone, Debug, PartialEq, Eq)] pub struct InlayHintsConfig { - pub location_links: bool, pub render_colons: bool, pub type_hints: bool, pub discriminant_hints: DiscriminantHints, @@ -83,75 +85,108 @@ pub enum AdjustmentHintsMode { PreferPostfix, } -#[derive(Clone, Debug, PartialEq, Eq)] +#[derive(Copy, Clone, Debug, PartialEq, Eq)] pub enum InlayKind { - BindingModeHint, - ChainingHint, - ClosingBraceHint, - ClosureReturnTypeHint, - GenericParamListHint, - AdjustmentHint, - AdjustmentHintPostfix, - LifetimeHint, - ParameterHint, - TypeHint, - DiscriminantHint, + BindingMode, + Chaining, + ClosingBrace, + ClosureReturnType, + GenericParamList, + Adjustment, + AdjustmentPostfix, + Lifetime, + Parameter, + Type, + Discriminant, OpeningParenthesis, ClosingParenthesis, } #[derive(Debug)] pub struct InlayHint { + /// The text range this inlay hint applies to. pub range: TextRange, + /// The kind of this inlay hint. This is used to determine side and padding of the hint for + /// rendering purposes. pub kind: InlayKind, + /// The actual label to show in the inlay hint. pub label: InlayHintLabel, - pub tooltip: Option<InlayTooltip>, +} + +impl InlayHint { + fn closing_paren(range: TextRange) -> InlayHint { + InlayHint { range, kind: InlayKind::ClosingParenthesis, label: InlayHintLabel::from(")") } + } + fn opening_paren(range: TextRange) -> InlayHint { + InlayHint { range, kind: InlayKind::OpeningParenthesis, label: InlayHintLabel::from("(") } + } } #[derive(Debug)] pub enum InlayTooltip { String(String), - HoverRanged(FileId, TextRange), - HoverOffset(FileId, TextSize), + Markdown(String), } #[derive(Default)] pub struct InlayHintLabel { - pub parts: Vec<InlayHintLabelPart>, + pub parts: SmallVec<[InlayHintLabelPart; 1]>, } impl InlayHintLabel { - pub fn as_simple_str(&self) -> Option<&str> { - match &*self.parts { - [part] => part.as_simple_str(), - _ => None, + pub fn simple( + s: impl Into<String>, + tooltip: Option<InlayTooltip>, + linked_location: Option<FileRange>, + ) -> InlayHintLabel { + InlayHintLabel { + parts: smallvec![InlayHintLabelPart { text: s.into(), linked_location, tooltip }], } } pub fn prepend_str(&mut self, s: &str) { match &mut *self.parts { - [part, ..] if part.as_simple_str().is_some() => part.text = format!("{s}{}", part.text), - _ => self.parts.insert(0, InlayHintLabelPart { text: s.into(), linked_location: None }), + [InlayHintLabelPart { text, linked_location: None, tooltip: None }, ..] => { + text.insert_str(0, s) + } + _ => self.parts.insert( + 0, + InlayHintLabelPart { text: s.into(), linked_location: None, tooltip: None }, + ), } } pub fn append_str(&mut self, s: &str) { match &mut *self.parts { - [.., part] if part.as_simple_str().is_some() => part.text.push_str(s), - _ => self.parts.push(InlayHintLabelPart { text: s.into(), linked_location: None }), + [.., InlayHintLabelPart { text, linked_location: None, tooltip: None }] => { + text.push_str(s) + } + _ => self.parts.push(InlayHintLabelPart { + text: s.into(), + linked_location: None, + tooltip: None, + }), } } } impl From<String> for InlayHintLabel { fn from(s: String) -> Self { - Self { parts: vec![InlayHintLabelPart { text: s, linked_location: None }] } + Self { + parts: smallvec![InlayHintLabelPart { text: s, linked_location: None, tooltip: None }], + } } } impl From<&str> for InlayHintLabel { fn from(s: &str) -> Self { - Self { parts: vec![InlayHintLabelPart { text: s.into(), linked_location: None }] } + Self { + parts: smallvec![InlayHintLabelPart { + text: s.into(), + linked_location: None, + tooltip: None + }], + } } } @@ -175,25 +210,25 @@ pub struct InlayHintLabelPart { /// When setting this, no tooltip must be set on the containing hint, or VS Code will display /// them both. pub linked_location: Option<FileRange>, -} - -impl InlayHintLabelPart { - pub fn as_simple_str(&self) -> Option<&str> { - match self { - Self { text, linked_location: None } => Some(text), - _ => None, - } - } + /// The tooltip to show when hovering over the inlay hint, this may invoke other actions like + /// hover requests to show. + pub tooltip: Option<InlayTooltip>, } impl fmt::Debug for InlayHintLabelPart { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - match self.as_simple_str() { - Some(string) => string.fmt(f), - None => f + match self { + Self { text, linked_location: None, tooltip: None } => text.fmt(f), + Self { text, linked_location, tooltip } => f .debug_struct("InlayHintLabelPart") - .field("text", &self.text) - .field("linked_location", &self.linked_location) + .field("text", text) + .field("linked_location", linked_location) + .field( + "tooltip", + &tooltip.as_ref().map_or("", |it| match it { + InlayTooltip::String(it) | InlayTooltip::Markdown(it) => it, + }), + ) .finish(), } } @@ -204,7 +239,6 @@ struct InlayHintLabelBuilder<'a> { db: &'a RootDatabase, result: InlayHintLabel, last_part: String, - location_link_enabled: bool, location: Option<FileRange>, } @@ -216,9 +250,6 @@ impl fmt::Write for InlayHintLabelBuilder<'_> { impl HirWrite for InlayHintLabelBuilder<'_> { fn start_location_link(&mut self, def: ModuleDefId) { - if !self.location_link_enabled { - return; - } if self.location.is_some() { never!("location link is already started"); } @@ -230,9 +261,6 @@ impl HirWrite for InlayHintLabelBuilder<'_> { } fn end_location_link(&mut self) { - if !self.location_link_enabled { - return; - } self.make_new_part(); } } @@ -242,6 +270,7 @@ impl InlayHintLabelBuilder<'_> { self.result.parts.push(InlayHintLabelPart { text: take(&mut self.last_part), linked_location: self.location.take(), + tooltip: None, }); } @@ -262,34 +291,51 @@ fn label_of_ty( mut max_length: Option<usize>, ty: hir::Type, label_builder: &mut InlayHintLabelBuilder<'_>, - ) { + ) -> Result<(), HirDisplayError> { let iter_item_type = hint_iterator(sema, famous_defs, &ty); match iter_item_type { - Some(ty) => { - const LABEL_START: &str = "impl Iterator<Item = "; + Some((iter_trait, item, ty)) => { + const LABEL_START: &str = "impl "; + const LABEL_ITERATOR: &str = "Iterator"; + const LABEL_MIDDLE: &str = "<"; + const LABEL_ITEM: &str = "Item"; + const LABEL_MIDDLE2: &str = " = "; const LABEL_END: &str = ">"; - max_length = - max_length.map(|len| len.saturating_sub(LABEL_START.len() + LABEL_END.len())); - - label_builder.write_str(LABEL_START).unwrap(); - rec(sema, famous_defs, max_length, ty, label_builder); - label_builder.write_str(LABEL_END).unwrap(); - } - None => { - let _ = ty.display_truncated(sema.db, max_length).write_to(label_builder); + max_length = max_length.map(|len| { + len.saturating_sub( + LABEL_START.len() + + LABEL_ITERATOR.len() + + LABEL_MIDDLE.len() + + LABEL_MIDDLE2.len() + + LABEL_END.len(), + ) + }); + + label_builder.write_str(LABEL_START)?; + label_builder.start_location_link(ModuleDef::from(iter_trait).into()); + label_builder.write_str(LABEL_ITERATOR)?; + label_builder.end_location_link(); + label_builder.write_str(LABEL_MIDDLE)?; + label_builder.start_location_link(ModuleDef::from(item).into()); + label_builder.write_str(LABEL_ITEM)?; + label_builder.end_location_link(); + label_builder.write_str(LABEL_MIDDLE2)?; + rec(sema, famous_defs, max_length, ty, label_builder)?; + label_builder.write_str(LABEL_END)?; + Ok(()) } - }; + None => ty.display_truncated(sema.db, max_length).write_to(label_builder), + } } let mut label_builder = InlayHintLabelBuilder { db: sema.db, last_part: String::new(), location: None, - location_link_enabled: config.location_links, result: InlayHintLabel::default(), }; - rec(sema, famous_defs, config.max_length, ty, &mut label_builder); + let _ = rec(sema, famous_defs, config.max_length, ty, &mut label_builder); let r = label_builder.finish(); Some(r) } @@ -383,11 +429,9 @@ fn hints( // static type elisions ast::Item::Static(it) => implicit_static::hints(hints, config, Either::Left(it)), ast::Item::Const(it) => implicit_static::hints(hints, config, Either::Right(it)), + ast::Item::Enum(it) => discriminant::enum_hints(hints, famous_defs, config, file_id, it), _ => None, }, - ast::Variant(v) => { - discriminant::hints(hints, famous_defs, config, file_id, &v) - }, // FIXME: fn-ptr type, dyn fn type, and trait object type elisions ast::Type(_) => None, _ => None, @@ -395,12 +439,12 @@ fn hints( }; } -/// Checks if the type is an Iterator from std::iter and returns its item type. +/// Checks if the type is an Iterator from std::iter and returns the iterator trait and the item type of the concrete iterator. fn hint_iterator( sema: &Semantics<'_, RootDatabase>, famous_defs: &FamousDefs<'_, '_>, ty: &hir::Type, -) -> Option<hir::Type> { +) -> Option<(hir::Trait, hir::TypeAlias, hir::Type)> { let db = sema.db; let strukt = ty.strip_references().as_adt()?; let krate = strukt.module(db).krate(); @@ -423,7 +467,7 @@ fn hint_iterator( _ => None, })?; if let Some(ty) = ty.normalize_trait_assoc_type(db, &[], assoc_type_item) { - return Some(ty); + return Some((iter_trait, assoc_type_item, ty)); } } @@ -447,7 +491,6 @@ mod tests { use super::ClosureReturnTypeHints; pub(super) const DISABLED_CONFIG: InlayHintsConfig = InlayHintsConfig { - location_links: false, discriminant_hints: DiscriminantHints::Never, render_colons: false, type_hints: false, @@ -465,8 +508,6 @@ mod tests { max_length: None, closing_brace_hints_min_lines: None, }; - pub(super) const DISABLED_CONFIG_WITH_LINKS: InlayHintsConfig = - InlayHintsConfig { location_links: true, ..DISABLED_CONFIG }; pub(super) const TEST_CONFIG: InlayHintsConfig = InlayHintsConfig { type_hints: true, parameter_hints: true, @@ -474,7 +515,7 @@ mod tests { closure_return_type_hints: ClosureReturnTypeHints::WithBlock, binding_mode_hints: true, lifetime_elision_hints: LifetimeElisionHints::Always, - ..DISABLED_CONFIG_WITH_LINKS + ..DISABLED_CONFIG }; #[track_caller] diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/adjustment.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/adjustment.rs index bdd7c05e008..188eb7f977b 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/adjustment.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/adjustment.rs @@ -3,15 +3,19 @@ //! let _: u32 = /* <never-to-any> */ loop {}; //! let _: &u32 = /* &* */ &mut 0; //! ``` -use hir::{Adjust, AutoBorrow, Mutability, OverloadedDeref, PointerCast, Safety, Semantics}; +use hir::{Adjust, Adjustment, AutoBorrow, HirDisplay, Mutability, PointerCast, Safety, Semantics}; use ide_db::RootDatabase; +use stdx::never; use syntax::{ ast::{self, make, AstNode}, ted, }; -use crate::{AdjustmentHints, AdjustmentHintsMode, InlayHint, InlayHintsConfig, InlayKind}; +use crate::{ + AdjustmentHints, AdjustmentHintsMode, InlayHint, InlayHintLabel, InlayHintsConfig, InlayKind, + InlayTooltip, +}; pub(super) fn hints( acc: &mut Vec<InlayHint>, @@ -44,27 +48,12 @@ pub(super) fn hints( mode_and_needs_parens_for_adjustment_hints(expr, config.adjustment_hints_mode); if needs_outer_parens { - acc.push(InlayHint { - range: expr.syntax().text_range(), - kind: InlayKind::OpeningParenthesis, - label: "(".into(), - tooltip: None, - }); + acc.push(InlayHint::opening_paren(expr.syntax().text_range())); } if postfix && needs_inner_parens { - acc.push(InlayHint { - range: expr.syntax().text_range(), - kind: InlayKind::OpeningParenthesis, - label: "(".into(), - tooltip: None, - }); - acc.push(InlayHint { - range: expr.syntax().text_range(), - kind: InlayKind::ClosingParenthesis, - label: ")".into(), - tooltip: None, - }); + acc.push(InlayHint::opening_paren(expr.syntax().text_range())); + acc.push(InlayHint::closing_paren(expr.syntax().text_range())); } let (mut tmp0, mut tmp1); @@ -76,72 +65,71 @@ pub(super) fn hints( &mut tmp1 }; - for adjustment in iter { - if adjustment.source == adjustment.target { + for Adjustment { source, target, kind } in iter { + if source == target { continue; } // FIXME: Add some nicer tooltips to each of these - let text = match adjustment.kind { + let (text, coercion) = match kind { Adjust::NeverToAny if config.adjustment_hints == AdjustmentHints::Always => { - "<never-to-any>" + ("<never-to-any>", "never to any") + } + Adjust::Deref(_) => ("*", "dereference"), + Adjust::Borrow(AutoBorrow::Ref(Mutability::Shared)) => ("&", "borrow"), + Adjust::Borrow(AutoBorrow::Ref(Mutability::Mut)) => ("&mut ", "unique borrow"), + Adjust::Borrow(AutoBorrow::RawPtr(Mutability::Shared)) => { + ("&raw const ", "const pointer borrow") + } + Adjust::Borrow(AutoBorrow::RawPtr(Mutability::Mut)) => { + ("&raw mut ", "mut pointer borrow") } - Adjust::Deref(None) => "*", - Adjust::Deref(Some(OverloadedDeref(Mutability::Mut))) => "*", - Adjust::Deref(Some(OverloadedDeref(Mutability::Shared))) => "*", - Adjust::Borrow(AutoBorrow::Ref(Mutability::Shared)) => "&", - Adjust::Borrow(AutoBorrow::Ref(Mutability::Mut)) => "&mut ", - Adjust::Borrow(AutoBorrow::RawPtr(Mutability::Shared)) => "&raw const ", - Adjust::Borrow(AutoBorrow::RawPtr(Mutability::Mut)) => "&raw mut ", // some of these could be represented via `as` casts, but that's not too nice and // handling everything as a prefix expr makes the `(` and `)` insertion easier Adjust::Pointer(cast) if config.adjustment_hints == AdjustmentHints::Always => { match cast { - PointerCast::ReifyFnPointer => "<fn-item-to-fn-pointer>", - PointerCast::UnsafeFnPointer => "<safe-fn-pointer-to-unsafe-fn-pointer>", + PointerCast::ReifyFnPointer => { + ("<fn-item-to-fn-pointer>", "fn item to fn pointer") + } + PointerCast::UnsafeFnPointer => ( + "<safe-fn-pointer-to-unsafe-fn-pointer>", + "safe fn pointer to unsafe fn pointer", + ), PointerCast::ClosureFnPointer(Safety::Unsafe) => { - "<closure-to-unsafe-fn-pointer>" + ("<closure-to-unsafe-fn-pointer>", "closure to unsafe fn pointer") + } + PointerCast::ClosureFnPointer(Safety::Safe) => { + ("<closure-to-fn-pointer>", "closure to fn pointer") + } + PointerCast::MutToConstPointer => { + ("<mut-ptr-to-const-ptr>", "mut ptr to const ptr") } - PointerCast::ClosureFnPointer(Safety::Safe) => "<closure-to-fn-pointer>", - PointerCast::MutToConstPointer => "<mut-ptr-to-const-ptr>", - PointerCast::ArrayToPointer => "<array-ptr-to-element-ptr>", - PointerCast::Unsize => "<unsize>", + PointerCast::ArrayToPointer => ("<array-ptr-to-element-ptr>", ""), + PointerCast::Unsize => ("<unsize>", "unsize"), } } _ => continue, }; acc.push(InlayHint { range: expr.syntax().text_range(), - kind: if postfix { - InlayKind::AdjustmentHintPostfix - } else { - InlayKind::AdjustmentHint - }, - label: if postfix { format!(".{}", text.trim_end()).into() } else { text.into() }, - tooltip: None, + kind: if postfix { InlayKind::AdjustmentPostfix } else { InlayKind::Adjustment }, + label: InlayHintLabel::simple( + if postfix { format!(".{}", text.trim_end()) } else { text.to_owned() }, + Some(InlayTooltip::Markdown(format!( + "`{}` → `{}` ({coercion} coercion)", + source.display(sema.db), + target.display(sema.db), + ))), + None, + ), }); } if !postfix && needs_inner_parens { - acc.push(InlayHint { - range: expr.syntax().text_range(), - kind: InlayKind::OpeningParenthesis, - label: "(".into(), - tooltip: None, - }); - acc.push(InlayHint { - range: expr.syntax().text_range(), - kind: InlayKind::ClosingParenthesis, - label: ")".into(), - tooltip: None, - }); + acc.push(InlayHint::opening_paren(expr.syntax().text_range())); + acc.push(InlayHint::closing_paren(expr.syntax().text_range())); } if needs_outer_parens { - acc.push(InlayHint { - range: expr.syntax().text_range(), - kind: InlayKind::ClosingParenthesis, - label: ")".into(), - tooltip: None, - }); + acc.push(InlayHint::closing_paren(expr.syntax().text_range())); } Some(()) } @@ -223,16 +211,21 @@ fn needs_parens_for_adjustment_hints(expr: &ast::Expr, postfix: bool) -> (bool, ted::replace(expr.syntax(), dummy_expr.syntax()); let parent = dummy_expr.syntax().parent(); - let expr = if postfix { - let ast::Expr::TryExpr(e) = &dummy_expr else { unreachable!() }; - let Some(ast::Expr::ParenExpr(e)) = e.expr() else { unreachable!() }; + let Some(expr) = (|| { + if postfix { + let ast::Expr::TryExpr(e) = &dummy_expr else { return None }; + let Some(ast::Expr::ParenExpr(e)) = e.expr() else { return None }; - e.expr().unwrap() - } else { - let ast::Expr::RefExpr(e) = &dummy_expr else { unreachable!() }; - let Some(ast::Expr::ParenExpr(e)) = e.expr() else { unreachable!() }; + e.expr() + } else { + let ast::Expr::RefExpr(e) = &dummy_expr else { return None }; + let Some(ast::Expr::ParenExpr(e)) = e.expr() else { return None }; - e.expr().unwrap() + e.expr() + } + })() else { + never!("broken syntax tree?\n{:?}\n{:?}", expr, dummy_expr); + return (true, true) }; // At this point diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs index adec19c765a..4af7f9bdb73 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/bind_pat.rs @@ -12,9 +12,7 @@ use syntax::{ match_ast, }; -use crate::{ - inlay_hints::closure_has_block_body, InlayHint, InlayHintsConfig, InlayKind, InlayTooltip, -}; +use crate::{inlay_hints::closure_has_block_body, InlayHint, InlayHintsConfig, InlayKind}; use super::label_of_ty; @@ -22,7 +20,7 @@ pub(super) fn hints( acc: &mut Vec<InlayHint>, famous_defs @ FamousDefs(sema, _): &FamousDefs<'_, '_>, config: &InlayHintsConfig, - file_id: FileId, + _file_id: FileId, pat: &ast::IdentPat, ) -> Option<()> { if !config.type_hints { @@ -50,12 +48,8 @@ pub(super) fn hints( Some(name) => name.syntax().text_range(), None => pat.syntax().text_range(), }, - kind: InlayKind::TypeHint, + kind: InlayKind::Type, label, - tooltip: pat - .name() - .map(|it| it.syntax().text_range()) - .map(|it| InlayTooltip::HoverRanged(file_id, it)), }); Some(()) @@ -73,28 +67,23 @@ fn should_not_display_type_hint( return true; } - if let Some(hir::Adt::Struct(s)) = pat_ty.as_adt() { - if s.fields(db).is_empty() && s.name(db).to_smol_str() == bind_pat.to_string() { - return true; - } - } - - if config.hide_closure_initialization_hints { - if let Some(parent) = bind_pat.syntax().parent() { - if let Some(it) = ast::LetStmt::cast(parent) { - if let Some(ast::Expr::ClosureExpr(closure)) = it.initializer() { - if closure_has_block_body(&closure) { - return true; - } - } - } - } + if sema.resolve_bind_pat_to_const(bind_pat).is_some() { + return true; } for node in bind_pat.syntax().ancestors() { match_ast! { match node { - ast::LetStmt(it) => return it.ty().is_some(), + ast::LetStmt(it) => { + if config.hide_closure_initialization_hints { + if let Some(ast::Expr::ClosureExpr(closure)) = it.initializer() { + if closure_has_block_body(&closure) { + return true; + } + } + } + return it.ty().is_some() + }, // FIXME: We might wanna show type hints in parameters for non-top level patterns as well ast::Param(it) => return it.ty().is_some(), ast::MatchArm(_) => return pat_is_enum_variant(db, bind_pat, pat_ty), @@ -194,8 +183,7 @@ mod tests { use crate::{fixture, inlay_hints::InlayHintsConfig}; use crate::inlay_hints::tests::{ - check, check_expect, check_with_config, DISABLED_CONFIG, DISABLED_CONFIG_WITH_LINKS, - TEST_CONFIG, + check, check_expect, check_with_config, DISABLED_CONFIG, TEST_CONFIG, }; use crate::ClosureReturnTypeHints; @@ -291,7 +279,7 @@ fn main() { fn iterator_hint_regression_issue_12674() { // Ensure we don't crash while solving the projection type of iterators. check_expect( - InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG_WITH_LINKS }, + InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG }, r#" //- minicore: iterators struct S<T>(T); @@ -322,22 +310,66 @@ fn main(a: SliceIter<'_, Container>) { [ InlayHint { range: 484..554, - kind: ChainingHint, + kind: Chaining, label: [ - "impl Iterator<Item = impl Iterator<Item = &&str>>", - ], - tooltip: Some( - HoverRanged( - FileId( - 0, + "impl ", + InlayHintLabelPart { + text: "Iterator", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2611..2619, + }, + ), + tooltip: "", + }, + "<", + InlayHintLabelPart { + text: "Item", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2643..2647, + }, + ), + tooltip: "", + }, + " = impl ", + InlayHintLabelPart { + text: "Iterator", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2611..2619, + }, + ), + tooltip: "", + }, + "<", + InlayHintLabelPart { + text: "Item", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2643..2647, + }, ), - 484..554, - ), - ), + tooltip: "", + }, + " = &&str>>", + ], }, InlayHint { range: 484..485, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -350,6 +382,7 @@ fn main(a: SliceIter<'_, Container>) { range: 289..298, }, ), + tooltip: "", }, "<", InlayHintLabelPart { @@ -362,17 +395,10 @@ fn main(a: SliceIter<'_, Container>) { range: 238..247, }, ), + tooltip: "", }, ">", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 484..485, - ), - ), }, ] "#]], @@ -537,6 +563,21 @@ fn main() { } #[test] + fn const_pats_have_no_type_hints() { + check_types( + r#" +const FOO: usize = 0; + +fn main() { + match 0 { + FOO => (), + _ => () + } +}"#, + ); + } + + #[test] fn let_statement() { check_types( r#" diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs index a0166d0048a..11b9cd269bf 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/binding_mode.rs @@ -7,7 +7,7 @@ use ide_db::RootDatabase; use syntax::ast::{self, AstNode}; -use crate::{InlayHint, InlayHintsConfig, InlayKind, InlayTooltip}; +use crate::{InlayHint, InlayHintsConfig, InlayKind}; pub(super) fn hints( acc: &mut Vec<InlayHint>, @@ -40,12 +40,7 @@ pub(super) fn hints( (true, false) => "&", _ => return, }; - acc.push(InlayHint { - range, - kind: InlayKind::BindingModeHint, - label: r.to_string().into(), - tooltip: Some(InlayTooltip::String("Inferred binding mode".into())), - }); + acc.push(InlayHint { range, kind: InlayKind::BindingMode, label: r.to_string().into() }); }); match pat { ast::Pat::IdentPat(pat) if pat.ref_token().is_none() && pat.mut_token().is_none() => { @@ -57,24 +52,13 @@ pub(super) fn hints( }; acc.push(InlayHint { range: pat.syntax().text_range(), - kind: InlayKind::BindingModeHint, + kind: InlayKind::BindingMode, label: bm.to_string().into(), - tooltip: Some(InlayTooltip::String("Inferred binding mode".into())), }); } ast::Pat::OrPat(pat) if !pattern_adjustments.is_empty() && outer_paren_pat.is_none() => { - acc.push(InlayHint { - range: pat.syntax().text_range(), - kind: InlayKind::OpeningParenthesis, - label: "(".into(), - tooltip: None, - }); - acc.push(InlayHint { - range: pat.syntax().text_range(), - kind: InlayKind::ClosingParenthesis, - label: ")".into(), - tooltip: None, - }); + acc.push(InlayHint::opening_paren(pat.syntax().text_range())); + acc.push(InlayHint::closing_paren(pat.syntax().text_range())); } _ => (), } diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/chaining.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/chaining.rs index 8810d5d34db..0c54f084c19 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/chaining.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/chaining.rs @@ -5,7 +5,7 @@ use syntax::{ Direction, NodeOrToken, SyntaxKind, T, }; -use crate::{FileId, InlayHint, InlayHintsConfig, InlayKind, InlayTooltip}; +use crate::{FileId, InlayHint, InlayHintsConfig, InlayKind}; use super::label_of_ty; @@ -13,7 +13,7 @@ pub(super) fn hints( acc: &mut Vec<InlayHint>, famous_defs @ FamousDefs(sema, _): &FamousDefs<'_, '_>, config: &InlayHintsConfig, - file_id: FileId, + _file_id: FileId, expr: &ast::Expr, ) -> Option<()> { if !config.chaining_hints { @@ -59,9 +59,8 @@ pub(super) fn hints( } acc.push(InlayHint { range: expr.syntax().text_range(), - kind: InlayKind::ChainingHint, + kind: InlayKind::Chaining, label: label_of_ty(famous_defs, config, ty)?, - tooltip: Some(InlayTooltip::HoverRanged(file_id, expr.syntax().text_range())), }); } } @@ -73,10 +72,7 @@ mod tests { use expect_test::expect; use crate::{ - inlay_hints::tests::{ - check_expect, check_with_config, DISABLED_CONFIG, DISABLED_CONFIG_WITH_LINKS, - TEST_CONFIG, - }, + inlay_hints::tests::{check_expect, check_with_config, DISABLED_CONFIG, TEST_CONFIG}, InlayHintsConfig, }; @@ -88,11 +84,7 @@ mod tests { #[test] fn chaining_hints_ignore_comments() { check_expect( - InlayHintsConfig { - type_hints: false, - chaining_hints: true, - ..DISABLED_CONFIG_WITH_LINKS - }, + InlayHintsConfig { type_hints: false, chaining_hints: true, ..DISABLED_CONFIG }, r#" struct A(B); impl A { fn into_b(self) -> B { self.0 } } @@ -111,7 +103,7 @@ fn main() { [ InlayHint { range: 147..172, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -124,21 +116,14 @@ fn main() { range: 63..64, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 147..172, - ), - ), }, InlayHint { range: 147..154, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -151,17 +136,10 @@ fn main() { range: 7..8, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 147..154, - ), - ), }, ] "#]], @@ -210,33 +188,43 @@ fn main() { [ InlayHint { range: 143..190, - kind: ChainingHint, + kind: Chaining, label: [ - "C", - ], - tooltip: Some( - HoverRanged( - FileId( - 0, + "", + InlayHintLabelPart { + text: "C", + linked_location: Some( + FileRange { + file_id: FileId( + 0, + ), + range: 51..52, + }, ), - 143..190, - ), - ), + tooltip: "", + }, + "", + ], }, InlayHint { range: 143..179, - kind: ChainingHint, + kind: Chaining, label: [ - "B", - ], - tooltip: Some( - HoverRanged( - FileId( - 0, + "", + InlayHintLabelPart { + text: "B", + linked_location: Some( + FileRange { + file_id: FileId( + 0, + ), + range: 29..30, + }, ), - 143..179, - ), - ), + tooltip: "", + }, + "", + ], }, ] "#]], @@ -246,7 +234,7 @@ fn main() { #[test] fn struct_access_chaining_hints() { check_expect( - InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG_WITH_LINKS }, + InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG }, r#" struct A { pub b: B } struct B { pub c: C } @@ -269,7 +257,7 @@ fn main() { [ InlayHint { range: 143..190, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -282,21 +270,14 @@ fn main() { range: 51..52, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 143..190, - ), - ), }, InlayHint { range: 143..179, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -309,17 +290,10 @@ fn main() { range: 29..30, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 143..179, - ), - ), }, ] "#]], @@ -329,7 +303,7 @@ fn main() { #[test] fn generic_chaining_hints() { check_expect( - InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG_WITH_LINKS }, + InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG }, r#" struct A<T>(T); struct B<T>(T); @@ -353,7 +327,7 @@ fn main() { [ InlayHint { range: 246..283, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -366,6 +340,7 @@ fn main() { range: 23..24, }, ), + tooltip: "", }, "<", InlayHintLabelPart { @@ -378,21 +353,14 @@ fn main() { range: 55..56, }, ), + tooltip: "", }, "<i32, bool>>", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 246..283, - ), - ), }, InlayHint { range: 246..265, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -405,6 +373,7 @@ fn main() { range: 7..8, }, ), + tooltip: "", }, "<", InlayHintLabelPart { @@ -417,17 +386,10 @@ fn main() { range: 55..56, }, ), + tooltip: "", }, "<i32, bool>>", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 246..265, - ), - ), }, ] "#]], @@ -437,7 +399,7 @@ fn main() { #[test] fn shorten_iterator_chaining_hints() { check_expect( - InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG_WITH_LINKS }, + InlayHintsConfig { chaining_hints: true, ..DISABLED_CONFIG }, r#" //- minicore: iterators use core::iter; @@ -463,52 +425,106 @@ fn main() { [ InlayHint { range: 174..241, - kind: ChainingHint, + kind: Chaining, label: [ - "impl Iterator<Item = ()>", - ], - tooltip: Some( - HoverRanged( - FileId( - 0, + "impl ", + InlayHintLabelPart { + text: "Iterator", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2611..2619, + }, + ), + tooltip: "", + }, + "<", + InlayHintLabelPart { + text: "Item", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2643..2647, + }, ), - 174..241, - ), - ), + tooltip: "", + }, + " = ()>", + ], }, InlayHint { range: 174..224, - kind: ChainingHint, + kind: Chaining, label: [ - "impl Iterator<Item = ()>", - ], - tooltip: Some( - HoverRanged( - FileId( - 0, + "impl ", + InlayHintLabelPart { + text: "Iterator", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2611..2619, + }, ), - 174..224, - ), - ), + tooltip: "", + }, + "<", + InlayHintLabelPart { + text: "Item", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2643..2647, + }, + ), + tooltip: "", + }, + " = ()>", + ], }, InlayHint { range: 174..206, - kind: ChainingHint, + kind: Chaining, label: [ - "impl Iterator<Item = ()>", - ], - tooltip: Some( - HoverRanged( - FileId( - 0, + "impl ", + InlayHintLabelPart { + text: "Iterator", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2611..2619, + }, ), - 174..206, - ), - ), + tooltip: "", + }, + "<", + InlayHintLabelPart { + text: "Item", + linked_location: Some( + FileRange { + file_id: FileId( + 1, + ), + range: 2643..2647, + }, + ), + tooltip: "", + }, + " = ()>", + ], }, InlayHint { range: 174..189, - kind: ChainingHint, + kind: Chaining, label: [ "&mut ", InlayHintLabelPart { @@ -521,17 +537,10 @@ fn main() { range: 24..30, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 174..189, - ), - ), }, ] "#]], @@ -564,7 +573,7 @@ fn main() { [ InlayHint { range: 124..130, - kind: TypeHint, + kind: Type, label: [ "", InlayHintLabelPart { @@ -577,21 +586,14 @@ fn main() { range: 7..13, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 124..130, - ), - ), }, InlayHint { range: 145..185, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -604,21 +606,14 @@ fn main() { range: 7..13, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 145..185, - ), - ), }, InlayHint { range: 145..168, - kind: ChainingHint, + kind: Chaining, label: [ "", InlayHintLabelPart { @@ -631,32 +626,28 @@ fn main() { range: 7..13, }, ), + tooltip: "", }, "", ], - tooltip: Some( - HoverRanged( - FileId( - 0, - ), - 145..168, - ), - ), }, InlayHint { range: 222..228, - kind: ParameterHint, + kind: Parameter, label: [ - "self", - ], - tooltip: Some( - HoverOffset( - FileId( - 0, + InlayHintLabelPart { + text: "self", + linked_location: Some( + FileRange { + file_id: FileId( + 0, + ), + range: 42..46, + }, ), - 42, - ), - ), + tooltip: "", + }, + ], }, ] "#]], diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs index e340c64c54b..14c11be54ef 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closing_brace.rs @@ -10,9 +10,7 @@ use syntax::{ match_ast, SyntaxKind, SyntaxNode, T, }; -use crate::{ - inlay_hints::InlayHintLabelPart, FileId, InlayHint, InlayHintLabel, InlayHintsConfig, InlayKind, -}; +use crate::{FileId, InlayHint, InlayHintLabel, InlayHintsConfig, InlayKind}; pub(super) fn hints( acc: &mut Vec<InlayHint>, @@ -109,15 +107,11 @@ pub(super) fn hints( return None; } - let linked_location = config - .location_links - .then(|| name_range.map(|range| FileRange { file_id, range })) - .flatten(); + let linked_location = name_range.map(|range| FileRange { file_id, range }); acc.push(InlayHint { range: closing_token.text_range(), - kind: InlayKind::ClosingBraceHint, - label: InlayHintLabel { parts: vec![InlayHintLabelPart { text: label, linked_location }] }, - tooltip: None, // provided by label part location + kind: InlayKind::ClosingBrace, + label: InlayHintLabel::simple(label, None, linked_location), }); None diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closure_ret.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closure_ret.rs index d9929beaac0..f03a18b8e96 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closure_ret.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/closure_ret.rs @@ -4,7 +4,7 @@ use syntax::ast::{self, AstNode}; use crate::{ inlay_hints::closure_has_block_body, ClosureReturnTypeHints, InlayHint, InlayHintsConfig, - InlayKind, InlayTooltip, + InlayKind, }; use super::label_of_ty; @@ -13,7 +13,7 @@ pub(super) fn hints( acc: &mut Vec<InlayHint>, famous_defs @ FamousDefs(sema, _): &FamousDefs<'_, '_>, config: &InlayHintsConfig, - file_id: FileId, + _file_id: FileId, closure: ast::ClosureExpr, ) -> Option<()> { if config.closure_return_type_hints == ClosureReturnTypeHints::Never { @@ -41,9 +41,8 @@ pub(super) fn hints( } acc.push(InlayHint { range: param_list.syntax().text_range(), - kind: InlayKind::ClosureReturnTypeHint, + kind: InlayKind::ClosureReturnType, label: label_of_ty(famous_defs, config, ty)?, - tooltip: Some(InlayTooltip::HoverRanged(file_id, param_list.syntax().text_range())), }); Some(()) } diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/discriminant.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/discriminant.rs index f32c4bdf288..5dd51ad11f4 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/discriminant.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/discriminant.rs @@ -4,27 +4,43 @@ //! Bar/* = 0*/, //! } //! ``` -use ide_db::{base_db::FileId, famous_defs::FamousDefs}; +use hir::Semantics; +use ide_db::{base_db::FileId, famous_defs::FamousDefs, RootDatabase}; use syntax::ast::{self, AstNode, HasName}; -use crate::{DiscriminantHints, InlayHint, InlayHintsConfig, InlayKind, InlayTooltip}; +use crate::{ + DiscriminantHints, InlayHint, InlayHintLabel, InlayHintsConfig, InlayKind, InlayTooltip, +}; -pub(super) fn hints( +pub(super) fn enum_hints( acc: &mut Vec<InlayHint>, FamousDefs(sema, _): &FamousDefs<'_, '_>, config: &InlayHintsConfig, _: FileId, - variant: &ast::Variant, + enum_: ast::Enum, ) -> Option<()> { - let field_list = match config.discriminant_hints { - DiscriminantHints::Always => variant.field_list(), - DiscriminantHints::Fieldless => match variant.field_list() { - Some(_) => return None, - None => None, - }, - DiscriminantHints::Never => return None, + let enabled = match config.discriminant_hints { + DiscriminantHints::Always => true, + DiscriminantHints::Fieldless => { + !sema.to_def(&enum_)?.is_data_carrying(sema.db) + || enum_.variant_list()?.variants().any(|v| v.expr().is_some()) + } + DiscriminantHints::Never => false, }; + if !enabled { + return None; + } + for variant in enum_.variant_list()?.variants() { + variant_hints(acc, sema, &variant); + } + None +} +fn variant_hints( + acc: &mut Vec<InlayHint>, + sema: &Semantics<'_, RootDatabase>, + variant: &ast::Variant, +) -> Option<()> { if variant.eq_token().is_some() { return None; } @@ -37,19 +53,22 @@ pub(super) fn hints( let d = v.eval(sema.db); acc.push(InlayHint { - range: match field_list { + range: match variant.field_list() { Some(field_list) => name.syntax().text_range().cover(field_list.syntax().text_range()), None => name.syntax().text_range(), }, - kind: InlayKind::DiscriminantHint, - label: match &d { - Ok(v) => format!("{}", v).into(), - Err(_) => "?".into(), - }, - tooltip: Some(InlayTooltip::String(match &d { - Ok(_) => "enum variant discriminant".into(), - Err(e) => format!("{e:?}").into(), - })), + kind: InlayKind::Discriminant, + label: InlayHintLabel::simple( + match &d { + Ok(v) => format!("{}", v), + Err(_) => "?".into(), + }, + Some(InlayTooltip::String(match &d { + Ok(_) => "enum variant discriminant".into(), + Err(e) => format!("{e:?}").into(), + })), + None, + ), }); Some(()) @@ -86,15 +105,30 @@ mod tests { check_discriminants( r#" enum Enum { - Variant, - //^^^^^^^0 - Variant1, - //^^^^^^^^1 - Variant2, - //^^^^^^^^2 - Variant5 = 5, - Variant6, - //^^^^^^^^6 + Variant, +//^^^^^^^0 + Variant1, +//^^^^^^^^1 + Variant2, +//^^^^^^^^2 + Variant5 = 5, + Variant6, +//^^^^^^^^6 +} +"#, + ); + check_discriminants_fieldless( + r#" +enum Enum { + Variant, +//^^^^^^^0 + Variant1, +//^^^^^^^^1 + Variant2, +//^^^^^^^^2 + Variant5 = 5, + Variant6, +//^^^^^^^^6 } "#, ); @@ -128,8 +162,22 @@ enum Enum { enum Enum { Variant(), Variant1, + Variant2 {}, + Variant3, + Variant5, + Variant6, +} +"#, + ); + check_discriminants_fieldless( + r#" +enum Enum { + Variant(), + //^^^^^^^^^0 + Variant1, //^^^^^^^^1 Variant2 {}, + //^^^^^^^^^^^2 Variant3, //^^^^^^^^3 Variant5 = 5, diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/fn_lifetime_fn.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/fn_lifetime_fn.rs index 2aa5e3dc734..b7182085b31 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/fn_lifetime_fn.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/fn_lifetime_fn.rs @@ -10,7 +10,7 @@ use syntax::{ SyntaxToken, }; -use crate::{InlayHint, InlayHintsConfig, InlayKind, InlayTooltip, LifetimeElisionHints}; +use crate::{InlayHint, InlayHintsConfig, InlayKind, LifetimeElisionHints}; pub(super) fn hints( acc: &mut Vec<InlayHint>, @@ -23,9 +23,8 @@ pub(super) fn hints( let mk_lt_hint = |t: SyntaxToken, label: String| InlayHint { range: t.text_range(), - kind: InlayKind::LifetimeHint, + kind: InlayKind::Lifetime, label: label.into(), - tooltip: Some(InlayTooltip::String("Elided lifetime".into())), }; let param_list = func.param_list()?; @@ -183,21 +182,19 @@ pub(super) fn hints( let is_empty = gpl.generic_params().next().is_none(); acc.push(InlayHint { range: angle_tok.text_range(), - kind: InlayKind::LifetimeHint, + kind: InlayKind::Lifetime, label: format!( "{}{}", allocated_lifetimes.iter().format(", "), if is_empty { "" } else { ", " } ) .into(), - tooltip: Some(InlayTooltip::String("Elided lifetimes".into())), }); } (None, allocated_lifetimes) => acc.push(InlayHint { range: func.name()?.syntax().text_range(), - kind: InlayKind::GenericParamListHint, + kind: InlayKind::GenericParamList, label: format!("<{}>", allocated_lifetimes.iter().format(", "),).into(), - tooltip: Some(InlayTooltip::String("Elided lifetimes".into())), }), } Some(()) diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_static.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_static.rs index 588a0e3b6a4..1122ee2e392 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_static.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/implicit_static.rs @@ -8,7 +8,7 @@ use syntax::{ SyntaxKind, }; -use crate::{InlayHint, InlayHintsConfig, InlayKind, InlayTooltip, LifetimeElisionHints}; +use crate::{InlayHint, InlayHintsConfig, InlayKind, LifetimeElisionHints}; pub(super) fn hints( acc: &mut Vec<InlayHint>, @@ -32,9 +32,8 @@ pub(super) fn hints( let t = ty.amp_token()?; acc.push(InlayHint { range: t.text_range(), - kind: InlayKind::LifetimeHint, + kind: InlayKind::Lifetime, label: "'static".to_owned().into(), - tooltip: Some(InlayTooltip::String("Elided static lifetime".into())), }); } } diff --git a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/param_name.rs b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/param_name.rs index ecee67632e3..9cdae632410 100644 --- a/src/tools/rust-analyzer/crates/ide/src/inlay_hints/param_name.rs +++ b/src/tools/rust-analyzer/crates/ide/src/inlay_hints/param_name.rs @@ -10,7 +10,7 @@ use ide_db::{base_db::FileRange, RootDatabase}; use stdx::to_lower_snake_case; use syntax::ast::{self, AstNode, HasArgList, HasName, UnaryOp}; -use crate::{InlayHint, InlayHintsConfig, InlayKind, InlayTooltip}; +use crate::{InlayHint, InlayHintLabel, InlayHintsConfig, InlayKind}; pub(super) fn hints( acc: &mut Vec<InlayHint>, @@ -43,21 +43,20 @@ pub(super) fn hints( !should_hide_param_name_hint(sema, &callable, param_name, arg) }) .map(|(param, param_name, _, FileRange { range, .. })| { - let mut tooltip = None; + let mut linked_location = None; if let Some(name) = param { if let hir::CallableKind::Function(f) = callable.kind() { // assert the file is cached so we can map out of macros if let Some(_) = sema.source(f) { - tooltip = sema.original_range_opt(name.syntax()); + linked_location = sema.original_range_opt(name.syntax()); } } } InlayHint { range, - kind: InlayKind::ParameterHint, - label: param_name.into(), - tooltip: tooltip.map(|it| InlayTooltip::HoverOffset(it.file_id, it.range.start())), + kind: InlayKind::Parameter, + label: InlayHintLabel::simple(param_name, None, linked_location), } }); diff --git a/src/tools/rust-analyzer/crates/ide/src/join_lines.rs b/src/tools/rust-analyzer/crates/ide/src/join_lines.rs index edc48e84d72..1cfde236245 100644 --- a/src/tools/rust-analyzer/crates/ide/src/join_lines.rs +++ b/src/tools/rust-analyzer/crates/ide/src/join_lines.rs @@ -161,10 +161,8 @@ fn remove_newline( } } - if config.join_assignments { - if join_assignments(edit, &prev, &next).is_some() { - return; - } + if config.join_assignments && join_assignments(edit, &prev, &next).is_some() { + return; } if config.unwrap_trivial_blocks { diff --git a/src/tools/rust-analyzer/crates/ide/src/lib.rs b/src/tools/rust-analyzer/crates/ide/src/lib.rs index 239456cb281..4ead9d4d0a8 100644 --- a/src/tools/rust-analyzer/crates/ide/src/lib.rs +++ b/src/tools/rust-analyzer/crates/ide/src/lib.rs @@ -82,7 +82,8 @@ pub use crate::{ hover::{HoverAction, HoverConfig, HoverDocFormat, HoverGotoTypeData, HoverResult}, inlay_hints::{ AdjustmentHints, AdjustmentHintsMode, ClosureReturnTypeHints, DiscriminantHints, InlayHint, - InlayHintLabel, InlayHintsConfig, InlayKind, InlayTooltip, LifetimeElisionHints, + InlayHintLabel, InlayHintLabelPart, InlayHintsConfig, InlayKind, InlayTooltip, + LifetimeElisionHints, }, join_lines::JoinLinesConfig, markup::Markup, @@ -236,7 +237,7 @@ impl Analysis { Ok(Vec::new()), false, CrateOrigin::CratesIo { repo: None, name: None }, - None, + Err("Analysis::from_single_file has no target layout".into()), ); change.change_file(file_id, Some(Arc::new(text))); change.set_crate_graph(crate_graph); diff --git a/src/tools/rust-analyzer/crates/ide/src/markdown_remove.rs b/src/tools/rust-analyzer/crates/ide/src/markdown_remove.rs index 3ec5c629e4f..718868c8747 100644 --- a/src/tools/rust-analyzer/crates/ide/src/markdown_remove.rs +++ b/src/tools/rust-analyzer/crates/ide/src/markdown_remove.rs @@ -11,12 +11,146 @@ pub(crate) fn remove_markdown(markdown: &str) -> String { for event in parser { match event { Event::Text(text) | Event::Code(text) => out.push_str(&text), - Event::SoftBreak | Event::HardBreak | Event::Rule | Event::End(Tag::CodeBlock(_)) => { - out.push('\n') + Event::SoftBreak => out.push(' '), + Event::HardBreak | Event::Rule | Event::End(Tag::CodeBlock(_)) => out.push('\n'), + Event::End(Tag::Paragraph) => { + out.push('\n'); + out.push('\n'); } - _ => {} + Event::Start(_) + | Event::End(_) + | Event::Html(_) + | Event::FootnoteReference(_) + | Event::TaskListMarker(_) => (), } } + if let Some(p) = out.rfind(|c| c != '\n') { + out.drain(p + 1..); + } + out } + +#[cfg(test)] +mod tests { + use expect_test::expect; + + use super::*; + + #[test] + fn smoke_test() { + let res = remove_markdown( + r##" +A function or function pointer. + +Functions are the primary way code is executed within Rust. Function blocks, usually just +called functions, can be defined in a variety of different places and be assigned many +different attributes and modifiers. + +Standalone functions that just sit within a module not attached to anything else are common, +but most functions will end up being inside [`impl`] blocks, either on another type itself, or +as a trait impl for that type. + +```rust +fn standalone_function() { + // code +} + +pub fn public_thing(argument: bool) -> String { + // code + # "".to_string() +} + +struct Thing { + foo: i32, +} + +impl Thing { + pub fn new() -> Self { + Self { + foo: 42, + } + } +} +``` + +In addition to presenting fixed types in the form of `fn name(arg: type, ..) -> return_type`, +functions can also declare a list of type parameters along with trait bounds that they fall +into. + +```rust +fn generic_function<T: Clone>(x: T) -> (T, T, T) { + (x.clone(), x.clone(), x.clone()) +} + +fn generic_where<T>(x: T) -> T + where T: std::ops::Add<Output = T> + Copy +{ + x + x + x +} +``` + +Declaring trait bounds in the angle brackets is functionally identical to using a `where` +clause. It's up to the programmer to decide which works better in each situation, but `where` +tends to be better when things get longer than one line. + +Along with being made public via `pub`, `fn` can also have an [`extern`] added for use in +FFI. + +For more information on the various types of functions and how they're used, consult the [Rust +book] or the [Reference]. + +[`impl`]: keyword.impl.html +[`extern`]: keyword.extern.html +[Rust book]: ../book/ch03-03-how-functions-work.html +[Reference]: ../reference/items/functions.html +"##, + ); + expect![[r#" + A function or function pointer. + + Functions are the primary way code is executed within Rust. Function blocks, usually just called functions, can be defined in a variety of different places and be assigned many different attributes and modifiers. + + Standalone functions that just sit within a module not attached to anything else are common, but most functions will end up being inside impl blocks, either on another type itself, or as a trait impl for that type. + + fn standalone_function() { + // code + } + + pub fn public_thing(argument: bool) -> String { + // code + # "".to_string() + } + + struct Thing { + foo: i32, + } + + impl Thing { + pub fn new() -> Self { + Self { + foo: 42, + } + } + } + + In addition to presenting fixed types in the form of fn name(arg: type, ..) -> return_type, functions can also declare a list of type parameters along with trait bounds that they fall into. + + fn generic_function<T: Clone>(x: T) -> (T, T, T) { + (x.clone(), x.clone(), x.clone()) + } + + fn generic_where<T>(x: T) -> T + where T: std::ops::Add<Output = T> + Copy + { + x + x + x + } + + Declaring trait bounds in the angle brackets is functionally identical to using a where clause. It's up to the programmer to decide which works better in each situation, but where tends to be better when things get longer than one line. + + Along with being made public via pub, fn can also have an extern added for use in FFI. + + For more information on the various types of functions and how they're used, consult the Rust book or the Reference."#]].assert_eq(&res); + } +} diff --git a/src/tools/rust-analyzer/crates/ide/src/references.rs b/src/tools/rust-analyzer/crates/ide/src/references.rs index 0f758cfa2d3..60fb1544a8f 100644 --- a/src/tools/rust-analyzer/crates/ide/src/references.rs +++ b/src/tools/rust-analyzer/crates/ide/src/references.rs @@ -1636,4 +1636,384 @@ pub fn deri$0ve(_stream: TokenStream) -> TokenStream {} "#]], ); } + + #[test] + fn assoc_items_trait_def() { + check( + r#" +trait Trait { + const CONST$0: usize; +} + +impl Trait for () { + const CONST: usize = 0; +} + +impl Trait for ((),) { + const CONST: usize = 0; +} + +fn f<T: Trait>() { + let _ = <()>::CONST; + + let _ = T::CONST; +} +"#, + expect![[r#" + CONST Const FileId(0) 18..37 24..29 + + FileId(0) 71..76 + FileId(0) 125..130 + FileId(0) 183..188 + FileId(0) 206..211 + "#]], + ); + check( + r#" +trait Trait { + type TypeAlias$0; +} + +impl Trait for () { + type TypeAlias = (); +} + +impl Trait for ((),) { + type TypeAlias = (); +} + +fn f<T: Trait>() { + let _: <() as Trait>::TypeAlias; + + let _: T::TypeAlias; +} +"#, + expect![[r#" + TypeAlias TypeAlias FileId(0) 18..33 23..32 + + FileId(0) 66..75 + FileId(0) 117..126 + FileId(0) 181..190 + FileId(0) 207..216 + "#]], + ); + check( + r#" +trait Trait { + fn function$0() {} +} + +impl Trait for () { + fn function() {} +} + +impl Trait for ((),) { + fn function() {} +} + +fn f<T: Trait>() { + let _ = <()>::function; + + let _ = T::function; +} +"#, + expect![[r#" + function Function FileId(0) 18..34 21..29 + + FileId(0) 65..73 + FileId(0) 112..120 + FileId(0) 166..174 + FileId(0) 192..200 + "#]], + ); + } + + #[test] + fn assoc_items_trait_impl_def() { + check( + r#" +trait Trait { + const CONST: usize; +} + +impl Trait for () { + const CONST$0: usize = 0; +} + +impl Trait for ((),) { + const CONST: usize = 0; +} + +fn f<T: Trait>() { + let _ = <()>::CONST; + + let _ = T::CONST; +} +"#, + expect![[r#" + CONST Const FileId(0) 65..88 71..76 + + FileId(0) 183..188 + "#]], + ); + check( + r#" +trait Trait { + type TypeAlias; +} + +impl Trait for () { + type TypeAlias$0 = (); +} + +impl Trait for ((),) { + type TypeAlias = (); +} + +fn f<T: Trait>() { + let _: <() as Trait>::TypeAlias; + + let _: T::TypeAlias; +} +"#, + expect![[r#" + TypeAlias TypeAlias FileId(0) 61..81 66..75 + + FileId(0) 23..32 + FileId(0) 117..126 + FileId(0) 181..190 + FileId(0) 207..216 + "#]], + ); + check( + r#" +trait Trait { + fn function() {} +} + +impl Trait for () { + fn function$0() {} +} + +impl Trait for ((),) { + fn function() {} +} + +fn f<T: Trait>() { + let _ = <()>::function; + + let _ = T::function; +} +"#, + expect![[r#" + function Function FileId(0) 62..78 65..73 + + FileId(0) 166..174 + "#]], + ); + } + + #[test] + fn assoc_items_ref() { + check( + r#" +trait Trait { + const CONST: usize; +} + +impl Trait for () { + const CONST: usize = 0; +} + +impl Trait for ((),) { + const CONST: usize = 0; +} + +fn f<T: Trait>() { + let _ = <()>::CONST$0; + + let _ = T::CONST; +} +"#, + expect![[r#" + CONST Const FileId(0) 65..88 71..76 + + FileId(0) 183..188 + "#]], + ); + check( + r#" +trait Trait { + type TypeAlias; +} + +impl Trait for () { + type TypeAlias = (); +} + +impl Trait for ((),) { + type TypeAlias = (); +} + +fn f<T: Trait>() { + let _: <() as Trait>::TypeAlias$0; + + let _: T::TypeAlias; +} +"#, + expect![[r#" + TypeAlias TypeAlias FileId(0) 18..33 23..32 + + FileId(0) 66..75 + FileId(0) 117..126 + FileId(0) 181..190 + FileId(0) 207..216 + "#]], + ); + check( + r#" +trait Trait { + fn function() {} +} + +impl Trait for () { + fn function() {} +} + +impl Trait for ((),) { + fn function() {} +} + +fn f<T: Trait>() { + let _ = <()>::function$0; + + let _ = T::function; +} +"#, + expect![[r#" + function Function FileId(0) 62..78 65..73 + + FileId(0) 166..174 + "#]], + ); + } + + #[test] + fn name_clashes() { + check( + r#" +trait Foo { + fn method$0(&self) -> u8; +} + +struct Bar { + method: u8, +} + +impl Foo for Bar { + fn method(&self) -> u8 { + self.method + } +} +fn method() {} +"#, + expect![[r#" + method Function FileId(0) 16..39 19..25 + + FileId(0) 101..107 + "#]], + ); + check( + r#" +trait Foo { + fn method(&self) -> u8; +} + +struct Bar { + method$0: u8, +} + +impl Foo for Bar { + fn method(&self) -> u8 { + self.method + } +} +fn method() {} +"#, + expect![[r#" + method Field FileId(0) 60..70 60..66 + + FileId(0) 136..142 Read + "#]], + ); + check( + r#" +trait Foo { + fn method(&self) -> u8; +} + +struct Bar { + method: u8, +} + +impl Foo for Bar { + fn method$0(&self) -> u8 { + self.method + } +} +fn method() {} +"#, + expect![[r#" + method Function FileId(0) 98..148 101..107 + + (no references) + "#]], + ); + check( + r#" +trait Foo { + fn method(&self) -> u8; +} + +struct Bar { + method: u8, +} + +impl Foo for Bar { + fn method(&self) -> u8 { + self.method$0 + } +} +fn method() {} +"#, + expect![[r#" + method Field FileId(0) 60..70 60..66 + + FileId(0) 136..142 Read + "#]], + ); + check( + r#" +trait Foo { + fn method(&self) -> u8; +} + +struct Bar { + method: u8, +} + +impl Foo for Bar { + fn method(&self) -> u8 { + self.method + } +} +fn method$0() {} +"#, + expect![[r#" + method Function FileId(0) 151..165 154..160 + + (no references) + "#]], + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/rename.rs b/src/tools/rust-analyzer/crates/ide/src/rename.rs index 15bdf14fb9b..8e89160ef5e 100644 --- a/src/tools/rust-analyzer/crates/ide/src/rename.rs +++ b/src/tools/rust-analyzer/crates/ide/src/rename.rs @@ -13,7 +13,7 @@ use ide_db::{ }; use itertools::Itertools; use stdx::{always, never}; -use syntax::{ast, AstNode, SyntaxNode}; +use syntax::{ast, utils::is_raw_identifier, AstNode, SmolStr, SyntaxNode, TextRange, TextSize}; use text_edit::TextEdit; @@ -48,7 +48,13 @@ pub(crate) fn prepare_rename( frange.range.contains_inclusive(position.offset) && frange.file_id == position.file_id ); - Ok(frange.range) + + Ok(match name_like { + ast::NameLike::Lifetime(_) => { + TextRange::new(frange.range.start() + TextSize::from(1), frange.range.end()) + } + _ => frange.range, + }) }) .reduce(|acc, cur| match (acc, cur) { // ensure all ranges are the same @@ -116,7 +122,11 @@ pub(crate) fn will_rename_file( let sema = Semantics::new(db); let module = sema.to_module_def(file_id)?; let def = Definition::Module(module); - let mut change = def.rename(&sema, new_name_stem).ok()?; + let mut change = if is_raw_identifier(new_name_stem) { + def.rename(&sema, &SmolStr::from_iter(["r#", new_name_stem])).ok()? + } else { + def.rename(&sema, new_name_stem).ok()? + }; change.file_system_edits.clear(); Some(change) } @@ -407,7 +417,7 @@ mod tests { #[test] fn test_prepare_rename_namelikes() { check_prepare(r"fn name$0<'lifetime>() {}", expect![[r#"3..7: name"#]]); - check_prepare(r"fn name<'lifetime$0>() {}", expect![[r#"8..17: 'lifetime"#]]); + check_prepare(r"fn name<'lifetime$0>() {}", expect![[r#"9..17: lifetime"#]]); check_prepare(r"fn name<'lifetime>() { name$0(); }", expect![[r#"23..27: name"#]]); } @@ -521,15 +531,19 @@ impl Foo { #[test] fn test_rename_to_invalid_identifier_lifetime2() { - cov_mark::check!(rename_not_a_lifetime_ident_ref); check( - "foo", + "_", r#"fn main<'a>(_: &'a$0 ()) {}"#, - "error: Invalid name `foo`: not a lifetime identifier", + r#"error: Invalid name `_`: not a lifetime identifier"#, ); } #[test] + fn test_rename_accepts_lifetime_without_apostrophe() { + check("foo", r#"fn main<'a>(_: &'a$0 ()) {}"#, r#"fn main<'foo>(_: &'foo ()) {}"#); + } + + #[test] fn test_rename_to_underscore_invalid() { cov_mark::check!(rename_underscore_multiple); check( @@ -549,6 +563,15 @@ impl Foo { } #[test] + fn test_rename_mod_invalid_raw_ident() { + check( + "r#self", + r#"mod foo$0 {}"#, + "error: Invalid name: `self` cannot be a raw identifier", + ); + } + + #[test] fn test_rename_for_local() { check( "k", @@ -1277,6 +1300,143 @@ mod bar$0; } #[test] + fn test_rename_mod_to_raw_ident() { + check_expect( + "r#fn", + r#" +//- /lib.rs +mod foo$0; + +fn main() { foo::bar::baz(); } + +//- /foo.rs +pub mod bar; + +//- /foo/bar.rs +pub fn baz() {} +"#, + expect![[r#" + SourceChange { + source_file_edits: { + FileId( + 0, + ): TextEdit { + indels: [ + Indel { + insert: "r#fn", + delete: 4..7, + }, + Indel { + insert: "r#fn", + delete: 22..25, + }, + ], + }, + }, + file_system_edits: [ + MoveFile { + src: FileId( + 1, + ), + dst: AnchoredPathBuf { + anchor: FileId( + 1, + ), + path: "fn.rs", + }, + }, + MoveDir { + src: AnchoredPathBuf { + anchor: FileId( + 1, + ), + path: "foo", + }, + src_id: FileId( + 1, + ), + dst: AnchoredPathBuf { + anchor: FileId( + 1, + ), + path: "fn", + }, + }, + ], + is_snippet: false, + } + "#]], + ); + } + + #[test] + fn test_rename_mod_from_raw_ident() { + // FIXME: `r#fn` in path expression is not renamed. + check_expect( + "foo", + r#" +//- /lib.rs +mod r#fn$0; + +fn main() { r#fn::bar::baz(); } + +//- /fn.rs +pub mod bar; + +//- /fn/bar.rs +pub fn baz() {} +"#, + expect![[r#" + SourceChange { + source_file_edits: { + FileId( + 0, + ): TextEdit { + indels: [ + Indel { + insert: "foo", + delete: 4..8, + }, + ], + }, + }, + file_system_edits: [ + MoveFile { + src: FileId( + 1, + ), + dst: AnchoredPathBuf { + anchor: FileId( + 1, + ), + path: "foo.rs", + }, + }, + MoveDir { + src: AnchoredPathBuf { + anchor: FileId( + 1, + ), + path: "fn", + }, + src_id: FileId( + 1, + ), + dst: AnchoredPathBuf { + anchor: FileId( + 1, + ), + path: "foo", + }, + }, + ], + is_snippet: false, + } + "#]], + ); + } + + #[test] fn test_enum_variant_from_module_1() { cov_mark::check!(rename_non_local); check( @@ -1832,6 +1992,31 @@ fn foo<'a>() -> &'a () { } #[test] + fn test_rename_label_new_name_without_apostrophe() { + check( + "foo", + r#" +fn main() { + 'outer$0: loop { + 'inner: loop { + break 'outer; + } + } +} + "#, + r#" +fn main() { + 'foo: loop { + 'inner: loop { + break 'foo; + } + } +} + "#, + ); + } + + #[test] fn test_self_to_self() { cov_mark::check!(rename_self_to_self); check( diff --git a/src/tools/rust-analyzer/crates/ide/src/signature_help.rs b/src/tools/rust-analyzer/crates/ide/src/signature_help.rs index f807ba30f40..a666562f101 100644 --- a/src/tools/rust-analyzer/crates/ide/src/signature_help.rs +++ b/src/tools/rust-analyzer/crates/ide/src/signature_help.rs @@ -4,13 +4,15 @@ use std::collections::BTreeSet; use either::Either; -use hir::{AssocItem, GenericParam, HasAttrs, HirDisplay, Semantics, Trait}; -use ide_db::{active_parameter::callable_for_node, base_db::FilePosition}; +use hir::{ + AssocItem, GenericParam, HasAttrs, HirDisplay, ModuleDef, PathResolution, Semantics, Trait, +}; +use ide_db::{active_parameter::callable_for_node, base_db::FilePosition, FxIndexMap}; use stdx::format_to; use syntax::{ algo, ast::{self, HasArgList}, - match_ast, AstNode, Direction, SyntaxToken, TextRange, TextSize, + match_ast, AstNode, Direction, SyntaxKind, SyntaxToken, TextRange, TextSize, }; use crate::RootDatabase; @@ -37,14 +39,18 @@ impl SignatureHelp { } fn push_call_param(&mut self, param: &str) { - self.push_param('(', param); + self.push_param("(", param); } fn push_generic_param(&mut self, param: &str) { - self.push_param('<', param); + self.push_param("<", param); + } + + fn push_record_field(&mut self, param: &str) { + self.push_param("{ ", param); } - fn push_param(&mut self, opening_delim: char, param: &str) { + fn push_param(&mut self, opening_delim: &str, param: &str) { if !self.signature.ends_with(opening_delim) { self.signature.push_str(", "); } @@ -85,6 +91,13 @@ pub(crate) fn signature_help(db: &RootDatabase, position: FilePosition) -> Optio } return signature_help_for_generics(&sema, garg_list, token); }, + ast::RecordExpr(record) => { + let cursor_outside = record.record_expr_field_list().and_then(|list| list.r_curly_token()).as_ref() == Some(&token); + if cursor_outside { + continue; + } + return signature_help_for_record_lit(&sema, record, token); + }, _ => (), } } @@ -92,7 +105,9 @@ pub(crate) fn signature_help(db: &RootDatabase, position: FilePosition) -> Optio // Stop at multi-line expressions, since the signature of the outer call is not very // helpful inside them. if let Some(expr) = ast::Expr::cast(node.clone()) { - if expr.syntax().text().contains_char('\n') { + if expr.syntax().text().contains_char('\n') + && expr.syntax().kind() != SyntaxKind::RECORD_EXPR + { return None; } } @@ -368,6 +383,86 @@ fn add_assoc_type_bindings( } } +fn signature_help_for_record_lit( + sema: &Semantics<'_, RootDatabase>, + record: ast::RecordExpr, + token: SyntaxToken, +) -> Option<SignatureHelp> { + let arg_list = record + .syntax() + .ancestors() + .filter_map(ast::RecordExpr::cast) + .find(|list| list.syntax().text_range().contains(token.text_range().start()))?; + + let active_parameter = arg_list + .record_expr_field_list()? + .fields() + .take_while(|arg| arg.syntax().text_range().end() <= token.text_range().start()) + .count(); + + let mut res = SignatureHelp { + doc: None, + signature: String::new(), + parameters: vec![], + active_parameter: Some(active_parameter), + }; + + let fields; + + let db = sema.db; + let path_res = sema.resolve_path(&record.path()?)?; + if let PathResolution::Def(ModuleDef::Variant(variant)) = path_res { + fields = variant.fields(db); + let en = variant.parent_enum(db); + + res.doc = en.docs(db).map(|it| it.into()); + format_to!(res.signature, "enum {}::{} {{ ", en.name(db), variant.name(db)); + } else { + let adt = match path_res { + PathResolution::SelfType(imp) => imp.self_ty(db).as_adt()?, + PathResolution::Def(ModuleDef::Adt(adt)) => adt, + _ => return None, + }; + + match adt { + hir::Adt::Struct(it) => { + fields = it.fields(db); + res.doc = it.docs(db).map(|it| it.into()); + format_to!(res.signature, "struct {} {{ ", it.name(db)); + } + hir::Adt::Union(it) => { + fields = it.fields(db); + res.doc = it.docs(db).map(|it| it.into()); + format_to!(res.signature, "union {} {{ ", it.name(db)); + } + _ => return None, + } + } + + let mut fields = + fields.into_iter().map(|field| (field.name(db), Some(field))).collect::<FxIndexMap<_, _>>(); + let mut buf = String::new(); + for field in record.record_expr_field_list()?.fields() { + let Some((field, _, ty)) = sema.resolve_record_field(&field) else { continue }; + let name = field.name(db); + format_to!(buf, "{name}: {}", ty.display_truncated(db, Some(20))); + res.push_record_field(&buf); + buf.clear(); + + if let Some(field) = fields.get_mut(&name) { + *field = None; + } + } + for (name, field) in fields { + let Some(field) = field else { continue }; + format_to!(buf, "{name}: {}", field.ty(db).display_truncated(db, Some(20))); + res.push_record_field(&buf); + buf.clear(); + } + res.signature.push_str(" }"); + Some(res) +} + #[cfg(test)] mod tests { use std::iter; @@ -1405,4 +1500,98 @@ fn take<C, Error>( "#]], ); } + + #[test] + fn record_literal() { + check( + r#" +struct Strukt<T, U = ()> { + t: T, + u: U, + unit: (), +} +fn f() { + Strukt { + u: 0, + $0 + } +} +"#, + expect![[r#" + struct Strukt { u: i32, t: T, unit: () } + ------ ^^^^ -------- + "#]], + ); + } + + #[test] + fn record_literal_nonexistent_field() { + check( + r#" +struct Strukt { + a: u8, +} +fn f() { + Strukt { + b: 8, + $0 + } +} +"#, + expect![[r#" + struct Strukt { a: u8 } + ----- + "#]], + ); + } + + #[test] + fn tuple_variant_record_literal() { + check( + r#" +enum Opt { + Some(u8), +} +fn f() { + Opt::Some {$0} +} +"#, + expect![[r#" + enum Opt::Some { 0: u8 } + ^^^^^ + "#]], + ); + check( + r#" +enum Opt { + Some(u8), +} +fn f() { + Opt::Some {0:0,$0} +} +"#, + expect![[r#" + enum Opt::Some { 0: u8 } + ----- + "#]], + ); + } + + #[test] + fn record_literal_self() { + check( + r#" +struct S { t: u8 } +impl S { + fn new() -> Self { + Self { $0 } + } +} + "#, + expect![[r#" + struct S { t: u8 } + ^^^^^ + "#]], + ); + } } diff --git a/src/tools/rust-analyzer/crates/ide/src/static_index.rs b/src/tools/rust-analyzer/crates/ide/src/static_index.rs index a6b30ba1396..3f7f6885f61 100644 --- a/src/tools/rust-analyzer/crates/ide/src/static_index.rs +++ b/src/tools/rust-analyzer/crates/ide/src/static_index.rs @@ -16,8 +16,7 @@ use crate::{ inlay_hints::AdjustmentHintsMode, moniker::{def_to_moniker, MonikerResult}, parent_module::crates_for, - Analysis, Fold, HoverConfig, HoverDocFormat, HoverResult, InlayHint, InlayHintsConfig, - TryToNav, + Analysis, Fold, HoverConfig, HoverResult, InlayHint, InlayHintsConfig, TryToNav, }; /// A static representation of fully analyzed source code. @@ -107,7 +106,6 @@ impl StaticIndex<'_> { .analysis .inlay_hints( &InlayHintsConfig { - location_links: true, render_colons: true, discriminant_hints: crate::DiscriminantHints::Fieldless, type_hints: true, @@ -138,8 +136,9 @@ impl StaticIndex<'_> { }); let hover_config = HoverConfig { links_in_hover: true, - documentation: Some(HoverDocFormat::Markdown), + documentation: true, keywords: true, + format: crate::HoverDocFormat::Markdown, }; let tokens = tokens.filter(|token| { matches!( diff --git a/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting.rs b/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting.rs index 50371d620eb..454a250f3de 100644 --- a/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting.rs +++ b/src/tools/rust-analyzer/crates/ide/src/syntax_highlighting.rs @@ -413,11 +413,10 @@ fn traverse( let string = ast::String::cast(token); let string_to_highlight = ast::String::cast(descended_token.clone()); if let Some((string, expanded_string)) = string.zip(string_to_highlight) { - if string.is_raw() { - if inject::ra_fixture(hl, sema, config, &string, &expanded_string).is_some() - { - continue; - } + if string.is_raw() + && inject::ra_fixture(hl, sema, config, &string, &expanded_string).is_some() + { + continue; } highlight_format_string(hl, &string, &expanded_string, range); highlight_escape_string(hl, &string, range.start()); diff --git a/src/tools/rust-analyzer/crates/ide/src/typing.rs b/src/tools/rust-analyzer/crates/ide/src/typing.rs index eba5a485636..c7e403f6b1a 100644 --- a/src/tools/rust-analyzer/crates/ide/src/typing.rs +++ b/src/tools/rust-analyzer/crates/ide/src/typing.rs @@ -205,10 +205,8 @@ fn on_eq_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> { if expr_stmt.semicolon_token().is_some() { return None; } - } else { - if !ast::StmtList::can_cast(binop.syntax().parent()?.kind()) { - return None; - } + } else if !ast::StmtList::can_cast(binop.syntax().parent()?.kind()) { + return None; } let expr = binop.rhs()?; @@ -255,6 +253,10 @@ fn on_eq_typed(file: &SourceFile, offset: TextSize) -> Option<TextEdit> { if file.syntax().text().slice(offset..expr_range.start()).contains_char('\n') { return None; } + // Good indicator that we will insert into a bad spot, so bail out. + if expr.syntax().descendants().any(|it| it.kind() == SyntaxKind::ERROR) { + return None; + } let offset = let_stmt.syntax().text_range().end(); Some(TextEdit::insert(offset, ";".to_string())) } @@ -409,15 +411,14 @@ mod tests { #[test] fn test_semi_after_let() { - // do_check(r" - // fn foo() { - // let foo =$0 - // } - // ", r" - // fn foo() { - // let foo =; - // } - // "); + type_char_noop( + '=', + r" +fn foo() { + let foo =$0 +} +", + ); type_char( '=', r#" @@ -431,17 +432,25 @@ fn foo() { } "#, ); - // do_check(r" - // fn foo() { - // let foo =$0 - // let bar = 1; - // } - // ", r" - // fn foo() { - // let foo =; - // let bar = 1; - // } - // "); + type_char_noop( + '=', + r#" +fn foo() { + let difference $0(counts: &HashMap<(char, char), u64>, last: char) -> u64 { + // ... + } +} +"#, + ); + type_char_noop( + '=', + r" +fn foo() { + let foo =$0 + let bar = 1; +} +", + ); } #[test] diff --git a/src/tools/rust-analyzer/crates/intern/Cargo.toml b/src/tools/rust-analyzer/crates/intern/Cargo.toml new file mode 100644 index 00000000000..c73c368a14e --- /dev/null +++ b/src/tools/rust-analyzer/crates/intern/Cargo.toml @@ -0,0 +1,20 @@ +[package] +name = "intern" +version = "0.0.0" +description = "TBD" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true + +[lib] +doctest = false + + +[dependencies] +# We need to freeze the version of the crate, as the raw-api feature is considered unstable +dashmap = { version = "=5.4.0", features = ["raw-api"] } +hashbrown = { version = "0.12.1", default-features = false } +once_cell = "1.17.0" +rustc-hash = "1.1.0" diff --git a/src/tools/rust-analyzer/crates/hir-def/src/intern.rs b/src/tools/rust-analyzer/crates/intern/src/lib.rs index f08521a3403..fb2903696b3 100644 --- a/src/tools/rust-analyzer/crates/hir-def/src/intern.rs +++ b/src/tools/rust-analyzer/crates/intern/src/lib.rs @@ -14,8 +14,6 @@ use hashbrown::HashMap; use once_cell::sync::OnceCell; use rustc_hash::FxHasher; -use crate::generics::GenericParams; - type InternMap<T> = DashMap<Arc<T>, (), BuildHasherDefault<FxHasher>>; type Guard<T> = dashmap::RwLockWriteGuard< 'static, @@ -204,9 +202,9 @@ pub trait Internable: Hash + Eq + 'static { #[doc(hidden)] macro_rules! _impl_internable { ( $($t:path),+ $(,)? ) => { $( - impl Internable for $t { - fn storage() -> &'static InternStorage<Self> { - static STORAGE: InternStorage<$t> = InternStorage::new(); + impl $crate::Internable for $t { + fn storage() -> &'static $crate::InternStorage<Self> { + static STORAGE: $crate::InternStorage<$t> = $crate::InternStorage::new(); &STORAGE } } @@ -215,13 +213,4 @@ macro_rules! _impl_internable { pub use crate::_impl_internable as impl_internable; -impl_internable!( - crate::type_ref::TypeRef, - crate::type_ref::TraitRef, - crate::type_ref::TypeBound, - crate::path::ModPath, - crate::path::GenericArgs, - crate::attr::AttrInput, - GenericParams, - str, -); +impl_internable!(str,); diff --git a/src/tools/rust-analyzer/crates/limit/Cargo.toml b/src/tools/rust-analyzer/crates/limit/Cargo.toml index 3536f73da73..c0888690992 100644 --- a/src/tools/rust-analyzer/crates/limit/Cargo.toml +++ b/src/tools/rust-analyzer/crates/limit/Cargo.toml @@ -2,9 +2,11 @@ name = "limit" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [features] tracking = [] diff --git a/src/tools/rust-analyzer/crates/mbe/Cargo.toml b/src/tools/rust-analyzer/crates/mbe/Cargo.toml index bce2fc9a70e..280ffc219ba 100644 --- a/src/tools/rust-analyzer/crates/mbe/Cargo.toml +++ b/src/tools/rust-analyzer/crates/mbe/Cargo.toml @@ -2,9 +2,11 @@ name = "mbe" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -15,10 +17,11 @@ rustc-hash = "1.1.0" smallvec = "1.10.0" tracing = "0.1.35" -syntax = { path = "../syntax", version = "0.0.0" } -parser = { path = "../parser", version = "0.0.0" } -tt = { path = "../tt", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } +# local deps +syntax.workspace = true +parser.workspace = true +tt.workspace = true +stdx.workspace = true [dev-dependencies] -test-utils = { path = "../test-utils" } +test-utils.workspace = true diff --git a/src/tools/rust-analyzer/crates/mbe/src/benchmark.rs b/src/tools/rust-analyzer/crates/mbe/src/benchmark.rs index 4b750025018..894355fcbc9 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/benchmark.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/benchmark.rs @@ -9,7 +9,7 @@ use test_utils::{bench, bench_fixture, skip_slow_tests}; use crate::{ parser::{MetaVarKind, Op, RepeatKind, Separator}, - syntax_node_to_token_tree, DeclarativeMacro, + syntax_node_to_token_tree, tt, DeclarativeMacro, }; #[test] @@ -91,7 +91,14 @@ fn invocation_fixtures(rules: &FxHashMap<String, DeclarativeMacro>) -> Vec<(Stri // So we just skip any error cases and try again let mut try_cnt = 0; loop { - let mut subtree = tt::Subtree::default(); + let mut subtree = tt::Subtree { + delimiter: tt::Delimiter { + open: tt::TokenId::UNSPECIFIED, + close: tt::TokenId::UNSPECIFIED, + kind: tt::DelimiterKind::Invisible, + }, + token_trees: vec![], + }; for op in rule.lhs.iter() { collect_from_op(op, &mut subtree, &mut seed); } @@ -145,7 +152,7 @@ fn invocation_fixtures(rules: &FxHashMap<String, DeclarativeMacro>) -> Vec<(Stri Op::Ident(it) => parent.token_trees.push(tt::Leaf::from(it.clone()).into()), Op::Punct(puncts) => { for punct in puncts { - parent.token_trees.push(tt::Leaf::from(punct.clone()).into()); + parent.token_trees.push(tt::Leaf::from(*punct).into()); } } Op::Repeat { tokens, kind, separator } => { @@ -196,12 +203,15 @@ fn invocation_fixtures(rules: &FxHashMap<String, DeclarativeMacro>) -> Vec<(Stri *seed } fn make_ident(ident: &str) -> tt::TokenTree { - tt::Leaf::Ident(tt::Ident { id: tt::TokenId::unspecified(), text: SmolStr::new(ident) }) - .into() + tt::Leaf::Ident(tt::Ident { + span: tt::TokenId::unspecified(), + text: SmolStr::new(ident), + }) + .into() } fn make_punct(char: char) -> tt::TokenTree { tt::Leaf::Punct(tt::Punct { - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), char, spacing: tt::Spacing::Alone, }) @@ -209,7 +219,7 @@ fn invocation_fixtures(rules: &FxHashMap<String, DeclarativeMacro>) -> Vec<(Stri } fn make_literal(lit: &str) -> tt::TokenTree { tt::Leaf::Literal(tt::Literal { - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), text: SmolStr::new(lit), }) .into() @@ -219,7 +229,11 @@ fn invocation_fixtures(rules: &FxHashMap<String, DeclarativeMacro>) -> Vec<(Stri token_trees: Option<Vec<tt::TokenTree>>, ) -> tt::TokenTree { tt::Subtree { - delimiter: Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind }), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), + kind, + }, token_trees: token_trees.unwrap_or_default(), } .into() diff --git a/src/tools/rust-analyzer/crates/mbe/src/expander.rs b/src/tools/rust-analyzer/crates/mbe/src/expander.rs index 100ec6bfb93..7537dc32261 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/expander.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/expander.rs @@ -8,7 +8,7 @@ mod transcriber; use rustc_hash::FxHashMap; use syntax::SmolStr; -use crate::{parser::MetaVarKind, ExpandError, ExpandResult}; +use crate::{parser::MetaVarKind, tt, ExpandError, ExpandResult}; pub(crate) fn expand_rules( rules: &[crate::Rule], @@ -45,7 +45,10 @@ pub(crate) fn expand_rules( transcriber::transcribe(&rule.rhs, &match_.bindings); ExpandResult { value, err: match_.err.or(transcribe_err) } } else { - ExpandResult::only_err(ExpandError::NoMatchingRule) + ExpandResult::with_err( + tt::Subtree { delimiter: tt::Delimiter::unspecified(), token_trees: vec![] }, + ExpandError::NoMatchingRule, + ) } } diff --git a/src/tools/rust-analyzer/crates/mbe/src/expander/matcher.rs b/src/tools/rust-analyzer/crates/mbe/src/expander/matcher.rs index 88eae136f73..f4ea9e5c816 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/expander/matcher.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/expander/matcher.rs @@ -67,6 +67,7 @@ use syntax::SmolStr; use crate::{ expander::{Binding, Bindings, ExpandResult, Fragment}, parser::{MetaVarKind, Op, RepeatKind, Separator}, + tt, tt_iter::TtIter, ExpandError, MetaTemplate, ValueResult, }; @@ -75,7 +76,8 @@ impl Bindings { fn push_optional(&mut self, name: &SmolStr) { // FIXME: Do we have a better way to represent an empty token ? // Insert an empty subtree for empty token - let tt = tt::Subtree::default().into(); + let tt = + tt::Subtree { delimiter: tt::Delimiter::unspecified(), token_trees: vec![] }.into(); self.inner.insert(name.clone(), Binding::Fragment(Fragment::Tokens(tt))); } @@ -462,9 +464,9 @@ fn match_loop_inner<'t>( } OpDelimited::Op(Op::Subtree { tokens, delimiter }) => { if let Ok(subtree) = src.clone().expect_subtree() { - if subtree.delimiter_kind() == delimiter.map(|it| it.kind) { + if subtree.delimiter.kind == delimiter.kind { item.stack.push(item.dot); - item.dot = tokens.iter_delimited(delimiter.as_ref()); + item.dot = tokens.iter_delimited(Some(delimiter)); cur_items.push(item); } } @@ -663,8 +665,8 @@ fn match_loop(pattern: &MetaTemplate, src: &tt::Subtree) -> Match { } res.add_err(ExpandError::LeftoverTokens); - if let Some(error_reover_item) = error_recover_item { - res.bindings = bindings_builder.build(&error_reover_item); + if let Some(error_recover_item) = error_recover_item { + res.bindings = bindings_builder.build(&error_recover_item); } return res; } @@ -782,7 +784,7 @@ fn match_meta_var(kind: MetaVarKind, input: &mut TtIter<'_>) -> ExpandResult<Opt match neg { None => lit.into(), Some(neg) => tt::TokenTree::Subtree(tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::unspecified(), token_trees: vec![neg, lit.into()], }), } @@ -810,7 +812,11 @@ fn collect_vars(collector_fun: &mut impl FnMut(SmolStr), pattern: &MetaTemplate) } impl MetaTemplate { fn iter_delimited<'a>(&'a self, delimited: Option<&'a tt::Delimiter>) -> OpDelimitedIter<'a> { - OpDelimitedIter { inner: &self.0, idx: 0, delimited } + OpDelimitedIter { + inner: &self.0, + idx: 0, + delimited: delimited.unwrap_or(&tt::Delimiter::UNSPECIFIED), + } } } @@ -824,20 +830,21 @@ enum OpDelimited<'a> { #[derive(Debug, Clone, Copy)] struct OpDelimitedIter<'a> { inner: &'a [Op], - delimited: Option<&'a tt::Delimiter>, + delimited: &'a tt::Delimiter, idx: usize, } impl<'a> OpDelimitedIter<'a> { fn is_eof(&self) -> bool { - let len = self.inner.len() + if self.delimited.is_some() { 2 } else { 0 }; + let len = self.inner.len() + + if self.delimited.kind != tt::DelimiterKind::Invisible { 2 } else { 0 }; self.idx >= len } fn peek(&self) -> Option<OpDelimited<'a>> { - match self.delimited { - None => self.inner.get(self.idx).map(OpDelimited::Op), - Some(_) => match self.idx { + match self.delimited.kind { + tt::DelimiterKind::Invisible => self.inner.get(self.idx).map(OpDelimited::Op), + _ => match self.idx { 0 => Some(OpDelimited::Open), i if i == self.inner.len() + 1 => Some(OpDelimited::Close), i => self.inner.get(i - 1).map(OpDelimited::Op), @@ -860,7 +867,8 @@ impl<'a> Iterator for OpDelimitedIter<'a> { } fn size_hint(&self) -> (usize, Option<usize>) { - let len = self.inner.len() + if self.delimited.is_some() { 2 } else { 0 }; + let len = self.inner.len() + + if self.delimited.kind != tt::DelimiterKind::Invisible { 2 } else { 0 }; let remain = len.saturating_sub(self.idx); (remain, Some(remain)) } @@ -904,7 +912,10 @@ impl<'a> TtIter<'a> { } else { let puncts = self.expect_glued_punct()?; let token_trees = puncts.into_iter().map(|p| tt::Leaf::Punct(p).into()).collect(); - Ok(tt::TokenTree::Subtree(tt::Subtree { delimiter: None, token_trees })) + Ok(tt::TokenTree::Subtree(tt::Subtree { + delimiter: tt::Delimiter::unspecified(), + token_trees, + })) } } else { self.next().ok_or(()).cloned() @@ -919,7 +930,7 @@ impl<'a> TtIter<'a> { let ident = self.expect_ident_or_underscore()?; Ok(tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::unspecified(), token_trees: vec![ tt::Leaf::Punct(*punct).into(), tt::Leaf::Ident(ident.clone()).into(), diff --git a/src/tools/rust-analyzer/crates/mbe/src/expander/transcriber.rs b/src/tools/rust-analyzer/crates/mbe/src/expander/transcriber.rs index db0d327bf40..dffb40d4bc8 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/expander/transcriber.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/expander/transcriber.rs @@ -2,11 +2,11 @@ //! `$ident => foo`, interpolates variables in the template, to get `fn foo() {}` use syntax::SmolStr; -use tt::{Delimiter, Subtree}; use crate::{ expander::{Binding, Bindings, Fragment}, parser::{MetaVarKind, Op, RepeatKind, Separator}, + tt::{self, Delimiter}, ExpandError, ExpandResult, MetaTemplate, }; @@ -44,22 +44,23 @@ impl Bindings { Binding::Missing(it) => Ok(match it { MetaVarKind::Stmt => { Fragment::Tokens(tt::TokenTree::Leaf(tt::Leaf::Punct(tt::Punct { - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), char: ';', spacing: tt::Spacing::Alone, }))) } MetaVarKind::Block => Fragment::Tokens(tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Brace, - }), + }, token_trees: vec![], })), // FIXME: Meta and Item should get proper defaults MetaVarKind::Meta | MetaVarKind::Item | MetaVarKind::Tt | MetaVarKind::Vis => { Fragment::Tokens(tt::TokenTree::Subtree(tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::UNSPECIFIED, token_trees: vec![], })) } @@ -71,19 +72,19 @@ impl Bindings { | MetaVarKind::Ident => { Fragment::Tokens(tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: SmolStr::new_inline("missing"), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))) } MetaVarKind::Lifetime => { Fragment::Tokens(tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: SmolStr::new_inline("'missing"), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))) } MetaVarKind::Literal => { Fragment::Tokens(tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: SmolStr::new_inline("\"missing\""), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))) } }), @@ -138,12 +139,12 @@ fn expand_subtree( Op::Ident(it) => arena.push(tt::Leaf::from(it.clone()).into()), Op::Punct(puncts) => { for punct in puncts { - arena.push(tt::Leaf::from(punct.clone()).into()); + arena.push(tt::Leaf::from(*punct).into()); } } Op::Subtree { tokens, delimiter } => { let ExpandResult { value: tt, err: e } = - expand_subtree(ctx, tokens, *delimiter, arena); + expand_subtree(ctx, tokens, Some(*delimiter), arena); err = err.or(e); arena.push(tt.into()); } @@ -170,7 +171,7 @@ fn expand_subtree( arena.push( tt::Leaf::Literal(tt::Literal { text: index.to_string().into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }) .into(), ); @@ -179,7 +180,13 @@ fn expand_subtree( } // drain the elements added in this instance of expand_subtree let tts = arena.drain(start_elements..).collect(); - ExpandResult { value: tt::Subtree { delimiter, token_trees: tts }, err } + ExpandResult { + value: tt::Subtree { + delimiter: delimiter.unwrap_or_else(tt::Delimiter::unspecified), + token_trees: tts, + }, + err, + } } fn expand_var(ctx: &mut ExpandCtx<'_>, v: &SmolStr, id: tt::TokenId) -> ExpandResult<Fragment> { @@ -201,18 +208,25 @@ fn expand_var(ctx: &mut ExpandCtx<'_>, v: &SmolStr, id: tt::TokenId) -> ExpandRe // ``` // We just treat it a normal tokens let tt = tt::Subtree { - delimiter: None, + delimiter: tt::Delimiter::UNSPECIFIED, token_trees: vec![ - tt::Leaf::from(tt::Punct { char: '$', spacing: tt::Spacing::Alone, id }).into(), - tt::Leaf::from(tt::Ident { text: v.clone(), id }).into(), + tt::Leaf::from(tt::Punct { char: '$', spacing: tt::Spacing::Alone, span: id }) + .into(), + tt::Leaf::from(tt::Ident { text: v.clone(), span: id }).into(), ], } .into(); ExpandResult::ok(Fragment::Tokens(tt)) } else { ctx.bindings.get(v, &mut ctx.nesting).map_or_else( - |e| ExpandResult { value: Fragment::Tokens(tt::TokenTree::empty()), err: Some(e) }, - |it| ExpandResult::ok(it), + |e| ExpandResult { + value: Fragment::Tokens(tt::TokenTree::Subtree(tt::Subtree { + delimiter: tt::Delimiter::unspecified(), + token_trees: vec![], + })), + err: Some(e), + }, + ExpandResult::ok, ) } } @@ -249,7 +263,10 @@ fn expand_repeat( ctx ); return ExpandResult { - value: Fragment::Tokens(Subtree::default().into()), + value: Fragment::Tokens( + tt::Subtree { delimiter: tt::Delimiter::unspecified(), token_trees: vec![] } + .into(), + ), err: Some(ExpandError::LimitExceeded), }; } @@ -258,7 +275,7 @@ fn expand_repeat( continue; } - t.delimiter = None; + t.delimiter = tt::Delimiter::unspecified(); push_subtree(&mut buf, t); if let Some(sep) = separator { @@ -292,7 +309,7 @@ fn expand_repeat( // Check if it is a single token subtree without any delimiter // e.g {Delimiter:None> ['>'] /Delimiter:None>} - let tt = tt::Subtree { delimiter: None, token_trees: buf }.into(); + let tt = tt::Subtree { delimiter: tt::Delimiter::unspecified(), token_trees: buf }.into(); if RepeatKind::OneOrMore == kind && counter == 0 { return ExpandResult { @@ -307,11 +324,12 @@ fn push_fragment(buf: &mut Vec<tt::TokenTree>, fragment: Fragment) { match fragment { Fragment::Tokens(tt::TokenTree::Subtree(tt)) => push_subtree(buf, tt), Fragment::Expr(tt::TokenTree::Subtree(mut tt)) => { - if tt.delimiter.is_none() { - tt.delimiter = Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + if tt.delimiter.kind == tt::DelimiterKind::Invisible { + tt.delimiter = tt::Delimiter { + open: tt::TokenId::UNSPECIFIED, + close: tt::TokenId::UNSPECIFIED, kind: tt::DelimiterKind::Parenthesis, - }) + }; } buf.push(tt.into()) } @@ -320,8 +338,8 @@ fn push_fragment(buf: &mut Vec<tt::TokenTree>, fragment: Fragment) { } fn push_subtree(buf: &mut Vec<tt::TokenTree>, tt: tt::Subtree) { - match tt.delimiter { - None => buf.extend(tt.token_trees), - Some(_) => buf.push(tt.into()), + match tt.delimiter.kind { + tt::DelimiterKind::Invisible => buf.extend(tt.token_trees), + _ => buf.push(tt.into()), } } diff --git a/src/tools/rust-analyzer/crates/mbe/src/lib.rs b/src/tools/rust-analyzer/crates/mbe/src/lib.rs index 2373db97a3e..ac107a0d6d6 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/lib.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/lib.rs @@ -18,6 +18,8 @@ mod to_parser_input; mod benchmark; mod token_map; +use ::tt::token_id as tt; + use std::fmt; use crate::{ @@ -26,8 +28,8 @@ use crate::{ }; // FIXME: we probably should re-think `token_tree_to_syntax_node` interfaces +pub use self::tt::{Delimiter, DelimiterKind, Punct}; pub use ::parser::TopEntryPoint; -pub use tt::{Delimiter, DelimiterKind, Punct}; pub use crate::{ syntax_bridge::{ @@ -125,24 +127,26 @@ impl Shift { // Find the max token id inside a subtree fn max_id(subtree: &tt::Subtree) -> Option<u32> { - let filter = |tt: &_| match tt { - tt::TokenTree::Subtree(subtree) => { - let tree_id = max_id(subtree); - match subtree.delimiter { - Some(it) if it.id != tt::TokenId::unspecified() => { - Some(tree_id.map_or(it.id.0, |t| t.max(it.id.0))) + let filter = + |tt: &_| match tt { + tt::TokenTree::Subtree(subtree) => { + let tree_id = max_id(subtree); + if subtree.delimiter.open != tt::TokenId::unspecified() { + Some(tree_id.map_or(subtree.delimiter.open.0, |t| { + t.max(subtree.delimiter.open.0) + })) + } else { + tree_id } - _ => tree_id, } - } - tt::TokenTree::Leaf(leaf) => { - let &(tt::Leaf::Ident(tt::Ident { id, .. }) - | tt::Leaf::Punct(tt::Punct { id, .. }) - | tt::Leaf::Literal(tt::Literal { id, .. })) = leaf; + tt::TokenTree::Leaf(leaf) => { + let &(tt::Leaf::Ident(tt::Ident { span, .. }) + | tt::Leaf::Punct(tt::Punct { span, .. }) + | tt::Leaf::Literal(tt::Literal { span, .. })) = leaf; - (id != tt::TokenId::unspecified()).then_some(id.0) - } - }; + (span != tt::TokenId::unspecified()).then_some(span.0) + } + }; subtree.token_trees.iter().filter_map(filter).max() } } @@ -152,14 +156,13 @@ impl Shift { for t in &mut tt.token_trees { match t { tt::TokenTree::Leaf( - tt::Leaf::Ident(tt::Ident { id, .. }) - | tt::Leaf::Punct(tt::Punct { id, .. }) - | tt::Leaf::Literal(tt::Literal { id, .. }), - ) => *id = self.shift(*id), + tt::Leaf::Ident(tt::Ident { span, .. }) + | tt::Leaf::Punct(tt::Punct { span, .. }) + | tt::Leaf::Literal(tt::Literal { span, .. }), + ) => *span = self.shift(*span), tt::TokenTree::Subtree(tt) => { - if let Some(it) = tt.delimiter.as_mut() { - it.id = self.shift(it.id); - } + tt.delimiter.open = self.shift(tt.delimiter.open); + tt.delimiter.close = self.shift(tt.delimiter.close); self.shift_all(tt) } } @@ -216,7 +219,7 @@ impl DeclarativeMacro { let mut src = TtIter::new(tt); let mut rules = Vec::new(); - if Some(tt::DelimiterKind::Brace) == tt.delimiter_kind() { + if tt::DelimiterKind::Brace == tt.delimiter.kind { cov_mark::hit!(parse_macro_def_rules); while src.len() > 0 { let rule = Rule::parse(&mut src, true)?; @@ -325,6 +328,10 @@ impl<T, E> ValueResult<T, E> { Self { value, err: None } } + pub fn with_err(value: T, err: E) -> Self { + Self { value, err: Some(err) } + } + pub fn only_err(err: E) -> Self where T: Default, diff --git a/src/tools/rust-analyzer/crates/mbe/src/parser.rs b/src/tools/rust-analyzer/crates/mbe/src/parser.rs index fad905e97f4..fd3d64719ac 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/parser.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/parser.rs @@ -4,7 +4,7 @@ use smallvec::{smallvec, SmallVec}; use syntax::SmolStr; -use crate::{tt_iter::TtIter, ParseError}; +use crate::{tt, tt_iter::TtIter, ParseError}; /// Consider /// @@ -54,7 +54,7 @@ pub(crate) enum Op { Ignore { name: SmolStr, id: tt::TokenId }, Index { depth: u32 }, Repeat { tokens: MetaTemplate, kind: RepeatKind, separator: Option<Separator> }, - Subtree { tokens: MetaTemplate, delimiter: Option<tt::Delimiter> }, + Subtree { tokens: MetaTemplate, delimiter: tt::Delimiter }, Literal(tt::Literal), Punct(SmallVec<[tt::Punct; 3]>), Ident(tt::Ident), @@ -126,17 +126,17 @@ fn next_op( src.next().expect("first token already peeked"); // Note that the '$' itself is a valid token inside macro_rules. let second = match src.next() { - None => return Ok(Op::Punct(smallvec![p.clone()])), + None => return Ok(Op::Punct(smallvec![*p])), Some(it) => it, }; match second { - tt::TokenTree::Subtree(subtree) => match subtree.delimiter_kind() { - Some(tt::DelimiterKind::Parenthesis) => { + tt::TokenTree::Subtree(subtree) => match subtree.delimiter.kind { + tt::DelimiterKind::Parenthesis => { let (separator, kind) = parse_repeat(src)?; let tokens = MetaTemplate::parse(subtree, mode)?; Op::Repeat { tokens, separator, kind } } - Some(tt::DelimiterKind::Brace) => match mode { + tt::DelimiterKind::Brace => match mode { Mode::Template => { parse_metavar_expr(&mut TtIter::new(subtree)).map_err(|()| { ParseError::unexpected("invalid metavariable expression") @@ -157,18 +157,18 @@ fn next_op( tt::TokenTree::Leaf(leaf) => match leaf { tt::Leaf::Ident(ident) if ident.text == "crate" => { // We simply produce identifier `$crate` here. And it will be resolved when lowering ast to Path. - Op::Ident(tt::Ident { text: "$crate".into(), id: ident.id }) + Op::Ident(tt::Ident { text: "$crate".into(), span: ident.span }) } tt::Leaf::Ident(ident) => { let kind = eat_fragment_kind(src, mode)?; let name = ident.text.clone(); - let id = ident.id; + let id = ident.span; Op::Var { name, kind, id } } tt::Leaf::Literal(lit) if is_boolean_literal(lit) => { let kind = eat_fragment_kind(src, mode)?; let name = lit.text.clone(); - let id = lit.id; + let id = lit.span; Op::Var { name, kind, id } } tt::Leaf::Punct(punct @ tt::Punct { char: '$', .. }) => match mode { @@ -284,7 +284,7 @@ fn parse_metavar_expr(src: &mut TtIter<'_>) -> Result<Op, ()> { let func = src.expect_ident()?; let args = src.expect_subtree()?; - if args.delimiter_kind() != Some(tt::DelimiterKind::Parenthesis) { + if args.delimiter.kind != tt::DelimiterKind::Parenthesis { return Err(()); } @@ -293,7 +293,7 @@ fn parse_metavar_expr(src: &mut TtIter<'_>) -> Result<Op, ()> { let op = match &*func.text { "ignore" => { let ident = args.expect_ident()?; - Op::Ignore { name: ident.text.clone(), id: ident.id } + Op::Ignore { name: ident.text.clone(), id: ident.span } } "index" => { let depth = if args.len() == 0 { 0 } else { args.expect_u32_literal()? }; diff --git a/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge.rs b/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge.rs index 5c965055634..fb531340108 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge.rs @@ -8,9 +8,16 @@ use syntax::{ SyntaxKind::*, SyntaxNode, SyntaxToken, SyntaxTreeBuilder, TextRange, TextSize, WalkEvent, T, }; -use tt::buffer::{Cursor, TokenBuffer}; -use crate::{to_parser_input::to_parser_input, tt_iter::TtIter, TokenMap}; +use crate::{ + to_parser_input::to_parser_input, + tt::{ + self, + buffer::{Cursor, TokenBuffer}, + }, + tt_iter::TtIter, + TokenMap, +}; #[cfg(test)] mod tests; @@ -74,9 +81,10 @@ pub fn token_tree_to_syntax_node( entry_point: parser::TopEntryPoint, ) -> (Parse<SyntaxNode>, TokenMap) { let buffer = match tt { - tt::Subtree { delimiter: None, token_trees } => { - TokenBuffer::from_tokens(token_trees.as_slice()) - } + tt::Subtree { + delimiter: tt::Delimiter { kind: tt::DelimiterKind::Invisible, .. }, + token_trees, + } => TokenBuffer::from_tokens(token_trees.as_slice()), _ => TokenBuffer::from_subtree(tt), }; let parser_input = to_parser_input(&buffer); @@ -87,13 +95,15 @@ pub fn token_tree_to_syntax_node( parser::Step::Token { kind, n_input_tokens: n_raw_tokens } => { tree_sink.token(kind, n_raw_tokens) } + parser::Step::FloatSplit { ends_in_dot: has_pseudo_dot } => { + tree_sink.float_split(has_pseudo_dot) + } parser::Step::Enter { kind } => tree_sink.start_node(kind), parser::Step::Exit => tree_sink.finish_node(), parser::Step::Error { msg } => tree_sink.error(msg.to_string()), } } - let (parse, range_map) = tree_sink.finish(); - (parse, range_map) + tree_sink.finish() } /// Convert a string to a `TokenTree` @@ -132,7 +142,7 @@ pub fn parse_exprs_with_sep(tt: &tt::Subtree, sep: char) -> Vec<tt::Subtree> { res.push(match expanded.value { None => break, Some(tt @ tt::TokenTree::Leaf(_)) => { - tt::Subtree { delimiter: None, token_trees: vec![tt] } + tt::Subtree { delimiter: tt::Delimiter::unspecified(), token_trees: vec![tt] } } Some(tt::TokenTree::Subtree(tt)) => tt, }); @@ -145,7 +155,10 @@ pub fn parse_exprs_with_sep(tt: &tt::Subtree, sep: char) -> Vec<tt::Subtree> { } if iter.peek_n(0).is_some() { - res.push(tt::Subtree { delimiter: None, token_trees: iter.cloned().collect() }); + res.push(tt::Subtree { + delimiter: tt::Delimiter::unspecified(), + token_trees: iter.cloned().collect(), + }); } res @@ -159,7 +172,7 @@ fn convert_tokens<C: TokenConverter>(conv: &mut C) -> tt::Subtree { } let entry = StackEntry { - subtree: tt::Subtree { delimiter: None, ..Default::default() }, + subtree: tt::Subtree { delimiter: tt::Delimiter::unspecified(), token_trees: vec![] }, // never used (delimiter is `None`) idx: !0, open_range: TextRange::empty(TextSize::of('.')), @@ -186,7 +199,7 @@ fn convert_tokens<C: TokenConverter>(conv: &mut C) -> tt::Subtree { if let Some(tt::TokenTree::Leaf(tt::Leaf::Literal(lit))) = sub.token_trees.get_mut(2) { - lit.id = id + lit.span = id } } tt @@ -199,13 +212,14 @@ fn convert_tokens<C: TokenConverter>(conv: &mut C) -> tt::Subtree { assert_eq!(range.len(), TextSize::of('.')); } - if let Some(delim) = subtree.delimiter { - let expected = match delim.kind { - tt::DelimiterKind::Parenthesis => T![')'], - tt::DelimiterKind::Brace => T!['}'], - tt::DelimiterKind::Bracket => T![']'], - }; + let expected = match subtree.delimiter.kind { + tt::DelimiterKind::Parenthesis => Some(T![')']), + tt::DelimiterKind::Brace => Some(T!['}']), + tt::DelimiterKind::Bracket => Some(T![']']), + tt::DelimiterKind::Invisible => None, + }; + if let Some(expected) = expected { if kind == expected { if let Some(entry) = stack.pop() { conv.id_alloc().close_delim(entry.idx, Some(range)); @@ -223,9 +237,11 @@ fn convert_tokens<C: TokenConverter>(conv: &mut C) -> tt::Subtree { }; if let Some(kind) = delim { - let mut subtree = tt::Subtree::default(); let (id, idx) = conv.id_alloc().open_delim(range, synth_id); - subtree.delimiter = Some(tt::Delimiter { id, kind }); + let subtree = tt::Subtree { + delimiter: tt::Delimiter { open: id, close: tt::TokenId::UNSPECIFIED, kind }, + token_trees: vec![], + }; stack.push(StackEntry { subtree, idx, open_range: range }); continue; } @@ -240,13 +256,20 @@ fn convert_tokens<C: TokenConverter>(conv: &mut C) -> tt::Subtree { panic!("Token from lexer must be single char: token = {token:#?}"); } }; - tt::Leaf::from(tt::Punct { char, spacing, id: conv.id_alloc().alloc(range, synth_id) }) - .into() + tt::Leaf::from(tt::Punct { + char, + spacing, + span: conv.id_alloc().alloc(range, synth_id), + }) + .into() } else { macro_rules! make_leaf { ($i:ident) => { - tt::$i { id: conv.id_alloc().alloc(range, synth_id), text: token.to_text(conv) } - .into() + tt::$i { + span: conv.id_alloc().alloc(range, synth_id), + text: token.to_text(conv), + } + .into() }; } let leaf: tt::Leaf = match kind { @@ -261,14 +284,14 @@ fn convert_tokens<C: TokenConverter>(conv: &mut C) -> tt::Subtree { let apostrophe = tt::Leaf::from(tt::Punct { char: '\'', spacing: tt::Spacing::Joint, - id: conv.id_alloc().alloc(r, synth_id), + span: conv.id_alloc().alloc(r, synth_id), }); result.push(apostrophe.into()); let r = TextRange::at(range.start() + char_unit, range.len() - char_unit); let ident = tt::Leaf::from(tt::Ident { text: SmolStr::new(&token.to_text(conv)[1..]), - id: conv.id_alloc().alloc(r, synth_id), + span: conv.id_alloc().alloc(r, synth_id), }); result.push(ident.into()); continue; @@ -289,11 +312,12 @@ fn convert_tokens<C: TokenConverter>(conv: &mut C) -> tt::Subtree { conv.id_alloc().close_delim(entry.idx, None); let leaf: tt::Leaf = tt::Punct { - id: conv.id_alloc().alloc(entry.open_range, None), - char: match entry.subtree.delimiter.unwrap().kind { + span: conv.id_alloc().alloc(entry.open_range, None), + char: match entry.subtree.delimiter.kind { tt::DelimiterKind::Parenthesis => '(', tt::DelimiterKind::Brace => '{', tt::DelimiterKind::Bracket => '[', + tt::DelimiterKind::Invisible => '$', }, spacing: tt::Spacing::Alone, } @@ -373,10 +397,11 @@ fn convert_doc_comment(token: &syntax::SyntaxToken) -> Option<Vec<tt::TokenTree> token_trees.push(mk_punct('!')); } token_trees.push(tt::TokenTree::from(tt::Subtree { - delimiter: Some(tt::Delimiter { + delimiter: tt::Delimiter { + open: tt::TokenId::UNSPECIFIED, + close: tt::TokenId::UNSPECIFIED, kind: tt::DelimiterKind::Bracket, - id: tt::TokenId::unspecified(), - }), + }, token_trees: meta_tkns, })); @@ -386,7 +411,7 @@ fn convert_doc_comment(token: &syntax::SyntaxToken) -> Option<Vec<tt::TokenTree> fn mk_ident(s: &str) -> tt::TokenTree { tt::TokenTree::from(tt::Leaf::from(tt::Ident { text: s.into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })) } @@ -394,12 +419,12 @@ fn convert_doc_comment(token: &syntax::SyntaxToken) -> Option<Vec<tt::TokenTree> tt::TokenTree::from(tt::Leaf::from(tt::Punct { char: c, spacing: tt::Spacing::Alone, - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })) } fn mk_doc_literal(comment: &ast::Comment) -> tt::TokenTree { - let lit = tt::Literal { text: doc_comment_text(comment), id: tt::TokenId::unspecified() }; + let lit = tt::Literal { text: doc_comment_text(comment), span: tt::TokenId::unspecified() }; tt::TokenTree::from(tt::Leaf::from(lit)) } @@ -761,18 +786,56 @@ impl<'a> TtTreeSink<'a> { } } -fn delim_to_str(d: tt::DelimiterKind, closing: bool) -> &'static str { +fn delim_to_str(d: tt::DelimiterKind, closing: bool) -> Option<&'static str> { let texts = match d { tt::DelimiterKind::Parenthesis => "()", tt::DelimiterKind::Brace => "{}", tt::DelimiterKind::Bracket => "[]", + tt::DelimiterKind::Invisible => return None, }; let idx = closing as usize; - &texts[idx..texts.len() - (1 - idx)] + Some(&texts[idx..texts.len() - (1 - idx)]) } impl<'a> TtTreeSink<'a> { + /// Parses a float literal as if it was a one to two name ref nodes with a dot inbetween. + /// This occurs when a float literal is used as a field access. + fn float_split(&mut self, has_pseudo_dot: bool) { + let (text, _span) = match self.cursor.token_tree() { + Some(tt::buffer::TokenTreeRef::Leaf(tt::Leaf::Literal(lit), _)) => { + (lit.text.as_str(), lit.span) + } + _ => unreachable!(), + }; + match text.split_once('.') { + Some((left, right)) => { + assert!(!left.is_empty()); + self.inner.start_node(SyntaxKind::NAME_REF); + self.inner.token(SyntaxKind::INT_NUMBER, left); + self.inner.finish_node(); + + // here we move the exit up, the original exit has been deleted in process + self.inner.finish_node(); + + self.inner.token(SyntaxKind::DOT, "."); + + if has_pseudo_dot { + assert!(right.is_empty(), "{left}.{right}"); + } else { + self.inner.start_node(SyntaxKind::NAME_REF); + self.inner.token(SyntaxKind::INT_NUMBER, right); + self.inner.finish_node(); + + // the parser creates an unbalanced start node, we are required to close it here + self.inner.finish_node(); + } + } + None => unreachable!(), + } + self.cursor = self.cursor.bump(); + } + fn token(&mut self, kind: SyntaxKind, mut n_tokens: u8) { if kind == LIFETIME_IDENT { n_tokens = 2; @@ -790,13 +853,16 @@ impl<'a> TtTreeSink<'a> { Some(tt::buffer::TokenTreeRef::Leaf(leaf, _)) => { // Mark the range if needed let (text, id) = match leaf { - tt::Leaf::Ident(ident) => (ident.text.as_str(), ident.id), + tt::Leaf::Ident(ident) => (ident.text.as_str(), ident.span), tt::Leaf::Punct(punct) => { assert!(punct.char.is_ascii()); tmp = punct.char as u8; - (std::str::from_utf8(std::slice::from_ref(&tmp)).unwrap(), punct.id) + ( + std::str::from_utf8(std::slice::from_ref(&tmp)).unwrap(), + punct.span, + ) } - tt::Leaf::Literal(lit) => (lit.text.as_str(), lit.id), + tt::Leaf::Literal(lit) => (lit.text.as_str(), lit.span), }; let range = TextRange::at(self.text_pos, TextSize::of(text)); self.token_map.insert(id, range); @@ -805,10 +871,10 @@ impl<'a> TtTreeSink<'a> { } Some(tt::buffer::TokenTreeRef::Subtree(subtree, _)) => { self.cursor = self.cursor.subtree().unwrap(); - match subtree.delimiter { - Some(d) => { - self.open_delims.insert(d.id, self.text_pos); - delim_to_str(d.kind, false) + match delim_to_str(subtree.delimiter.kind, false) { + Some(it) => { + self.open_delims.insert(subtree.delimiter.open, self.text_pos); + it } None => continue, } @@ -816,15 +882,21 @@ impl<'a> TtTreeSink<'a> { None => { let parent = self.cursor.end().unwrap(); self.cursor = self.cursor.bump(); - match parent.delimiter { - Some(d) => { - if let Some(open_delim) = self.open_delims.get(&d.id) { + match delim_to_str(parent.delimiter.kind, true) { + Some(it) => { + if let Some(open_delim) = + self.open_delims.get(&parent.delimiter.open) + { let open_range = TextRange::at(*open_delim, TextSize::of('(')); let close_range = TextRange::at(self.text_pos, TextSize::of('(')); - self.token_map.insert_delim(d.id, open_range, close_range); + self.token_map.insert_delim( + parent.delimiter.open, + open_range, + close_range, + ); } - delim_to_str(d.kind, true) + it } None => continue, } diff --git a/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge/tests.rs b/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge/tests.rs index c1a60836558..fa0125f3e9e 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge/tests.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/syntax_bridge/tests.rs @@ -29,8 +29,8 @@ fn check_punct_spacing(fixture: &str) { let mut cursor = buf.begin(); while !cursor.eof() { while let Some(token_tree) = cursor.token_tree() { - if let TokenTreeRef::Leaf(Leaf::Punct(Punct { spacing, id, .. }), _) = token_tree { - if let Some(expected) = annotations.remove(id) { + if let TokenTreeRef::Leaf(Leaf::Punct(Punct { spacing, span, .. }), _) = token_tree { + if let Some(expected) = annotations.remove(span) { assert_eq!(expected, *spacing); } } diff --git a/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs b/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs index 7013aa58b55..051e20b3a3f 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/to_parser_input.rs @@ -2,7 +2,8 @@ //! format that works for our parser. use syntax::{SyntaxKind, SyntaxKind::*, T}; -use tt::buffer::TokenBuffer; + +use crate::tt::buffer::TokenBuffer; pub(crate) fn to_parser_input(buffer: &TokenBuffer<'_>) -> parser::Input { let mut res = parser::Input::default(); @@ -44,6 +45,13 @@ pub(crate) fn to_parser_input(buffer: &TokenBuffer<'_>) -> parser::Input { .unwrap_or_else(|| panic!("Fail to convert given literal {:#?}", &lit)); res.push(kind); + + if kind == FLOAT_NUMBER && !inner_text.ends_with('.') { + // Tag the token as joint if it is float with a fractional part + // we use this jointness to inform the parser about what token split + // event to emit when we encounter a float literal in a field access + res.was_joint(); + } } tt::Leaf::Ident(ident) => match ident.text.as_ref() { "_" => res.push(T![_]), @@ -70,23 +78,25 @@ pub(crate) fn to_parser_input(buffer: &TokenBuffer<'_>) -> parser::Input { cursor.bump() } Some(tt::buffer::TokenTreeRef::Subtree(subtree, _)) => { - if let Some(d) = subtree.delimiter_kind() { - res.push(match d { - tt::DelimiterKind::Parenthesis => T!['('], - tt::DelimiterKind::Brace => T!['{'], - tt::DelimiterKind::Bracket => T!['['], - }); + if let Some(kind) = match subtree.delimiter.kind { + tt::DelimiterKind::Parenthesis => Some(T!['(']), + tt::DelimiterKind::Brace => Some(T!['{']), + tt::DelimiterKind::Bracket => Some(T!['[']), + tt::DelimiterKind::Invisible => None, + } { + res.push(kind); } cursor.subtree().unwrap() } None => match cursor.end() { Some(subtree) => { - if let Some(d) = subtree.delimiter_kind() { - res.push(match d { - tt::DelimiterKind::Parenthesis => T![')'], - tt::DelimiterKind::Brace => T!['}'], - tt::DelimiterKind::Bracket => T![']'], - }) + if let Some(kind) = match subtree.delimiter.kind { + tt::DelimiterKind::Parenthesis => Some(T![')']), + tt::DelimiterKind::Brace => Some(T!['}']), + tt::DelimiterKind::Bracket => Some(T![']']), + tt::DelimiterKind::Invisible => None, + } { + res.push(kind); } cursor.bump() } diff --git a/src/tools/rust-analyzer/crates/mbe/src/tt_iter.rs b/src/tools/rust-analyzer/crates/mbe/src/tt_iter.rs index bee7b5de6ac..f744481f3ae 100644 --- a/src/tools/rust-analyzer/crates/mbe/src/tt_iter.rs +++ b/src/tools/rust-analyzer/crates/mbe/src/tt_iter.rs @@ -3,9 +3,8 @@ use smallvec::{smallvec, SmallVec}; use syntax::SyntaxKind; -use tt::buffer::TokenBuffer; -use crate::{to_parser_input::to_parser_input, ExpandError, ExpandResult}; +use crate::{to_parser_input::to_parser_input, tt, ExpandError, ExpandResult}; #[derive(Debug, Clone)] pub(crate) struct TtIter<'a> { @@ -114,7 +113,7 @@ impl<'a> TtIter<'a> { ('.', '.', Some('.' | '=')) | ('<', '<', Some('=')) | ('>', '>', Some('=')) => { let _ = self.next().unwrap(); let _ = self.next().unwrap(); - Ok(smallvec![first, second.clone(), third.unwrap().clone()]) + Ok(smallvec![first, *second, *third.unwrap()]) } ('-' | '!' | '*' | '/' | '&' | '%' | '^' | '+' | '<' | '=' | '>' | '|', '=', _) | ('-' | '=' | '>', '>', _) @@ -125,7 +124,7 @@ impl<'a> TtIter<'a> { | ('<', '<', _) | ('|', '|', _) => { let _ = self.next().unwrap(); - Ok(smallvec![first, second.clone()]) + Ok(smallvec![first, *second]) } _ => Ok(smallvec![first]), } @@ -135,7 +134,7 @@ impl<'a> TtIter<'a> { &mut self, entry_point: parser::PrefixEntryPoint, ) -> ExpandResult<Option<tt::TokenTree>> { - let buffer = TokenBuffer::from_tokens(self.inner.as_slice()); + let buffer = tt::buffer::TokenBuffer::from_tokens(self.inner.as_slice()); let parser_input = to_parser_input(&buffer); let tree_traversal = entry_point.parse(&parser_input); @@ -151,6 +150,11 @@ impl<'a> TtIter<'a> { cursor = cursor.bump_subtree(); } } + parser::Step::FloatSplit { .. } => { + // FIXME: We need to split the tree properly here, but mutating the token trees + // in the buffer is somewhat tricky to pull off. + cursor = cursor.bump_subtree(); + } parser::Step::Enter { .. } | parser::Step::Exit => (), parser::Step::Error { .. } => error = true, } @@ -167,19 +171,18 @@ impl<'a> TtIter<'a> { if cursor.is_root() { while curr != cursor { - if let Some(token) = curr.token_tree() { - res.push(token); - } + let Some(token) = curr.token_tree() else { break }; + res.push(token.cloned()); curr = curr.bump(); } } + self.inner = self.inner.as_slice()[res.len()..].iter(); let res = match res.len() { - 1 => Some(res[0].cloned()), - 0 => None, + 0 | 1 => res.pop(), _ => Some(tt::TokenTree::Subtree(tt::Subtree { - delimiter: None, - token_trees: res.into_iter().map(|it| it.cloned()).collect(), + delimiter: tt::Delimiter::unspecified(), + token_trees: res, })), }; ExpandResult { value: res, err } diff --git a/src/tools/rust-analyzer/crates/parser/Cargo.toml b/src/tools/rust-analyzer/crates/parser/Cargo.toml index d1420de8937..08359133f1a 100644 --- a/src/tools/rust-analyzer/crates/parser/Cargo.toml +++ b/src/tools/rust-analyzer/crates/parser/Cargo.toml @@ -2,18 +2,22 @@ name = "parser" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false [dependencies] drop_bomb = "0.1.5" -rustc_lexer = { version = "725.0.0", package = "rustc-ap-rustc_lexer" } -limit = { path = "../limit", version = "0.0.0" } +rustc_lexer = { version = "727.0.0", package = "rustc-ap-rustc_lexer" } + +limit.workspace = true [dev-dependencies] expect-test = "1.4.0" -sourcegen = { path = "../sourcegen" } + +sourcegen.workspace = true diff --git a/src/tools/rust-analyzer/crates/parser/src/event.rs b/src/tools/rust-analyzer/crates/parser/src/event.rs index b0e70e79430..577eb0967b4 100644 --- a/src/tools/rust-analyzer/crates/parser/src/event.rs +++ b/src/tools/rust-analyzer/crates/parser/src/event.rs @@ -74,7 +74,13 @@ pub(crate) enum Event { kind: SyntaxKind, n_raw_tokens: u8, }, - + /// When we parse `foo.0.0` or `foo. 0. 0` the lexer will hand us a float literal + /// instead of an integer literal followed by a dot as the lexer has no contextual knowledge. + /// This event instructs whatever consumes the events to split the float literal into + /// the corresponding parts. + FloatSplitHack { + ends_in_dot: bool, + }, Error { msg: String, }, @@ -125,6 +131,11 @@ pub(super) fn process(mut events: Vec<Event>) -> Output { Event::Token { kind, n_raw_tokens } => { res.token(kind, n_raw_tokens); } + Event::FloatSplitHack { ends_in_dot } => { + res.float_split_hack(ends_in_dot); + let ev = mem::replace(&mut events[i + 1], Event::tombstone()); + assert!(matches!(ev, Event::Finish), "{ev:?}"); + } Event::Error { msg } => res.error(msg), } } diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs index 8932330b825..7516ac3c4bd 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions.rs @@ -379,7 +379,7 @@ fn postfix_expr( // } T!['('] if allow_calls => call_expr(p, lhs), T!['['] if allow_calls => index_expr(p, lhs), - T![.] => match postfix_dot_expr(p, lhs) { + T![.] => match postfix_dot_expr::<false>(p, lhs) { Ok(it) => it, Err(it) => { lhs = it; @@ -393,35 +393,44 @@ fn postfix_expr( block_like = BlockLike::NotBlock; } return (lhs, block_like); +} - fn postfix_dot_expr( - p: &mut Parser<'_>, - lhs: CompletedMarker, - ) -> Result<CompletedMarker, CompletedMarker> { +fn postfix_dot_expr<const FLOAT_RECOVERY: bool>( + p: &mut Parser<'_>, + lhs: CompletedMarker, +) -> Result<CompletedMarker, CompletedMarker> { + if !FLOAT_RECOVERY { assert!(p.at(T![.])); - if p.nth(1) == IDENT && (p.nth(2) == T!['('] || p.nth_at(2, T![::])) { - return Ok(method_call_expr(p, lhs)); - } + } + let nth1 = if FLOAT_RECOVERY { 0 } else { 1 }; + let nth2 = if FLOAT_RECOVERY { 1 } else { 2 }; - // test await_expr - // fn foo() { - // x.await; - // x.0.await; - // x.0().await?.hello(); - // } - if p.nth(1) == T![await] { - let m = lhs.precede(p); - p.bump(T![.]); - p.bump(T![await]); - return Ok(m.complete(p, AWAIT_EXPR)); - } + if p.nth(nth1) == IDENT && (p.nth(nth2) == T!['('] || p.nth_at(nth2, T![::])) { + return Ok(method_call_expr::<FLOAT_RECOVERY>(p, lhs)); + } - if p.at(T![..=]) || p.at(T![..]) { - return Err(lhs); + // test await_expr + // fn foo() { + // x.await; + // x.0.await; + // x.0().await?.hello(); + // x.0.0.await; + // x.0. await; + // } + if p.nth(nth1) == T![await] { + let m = lhs.precede(p); + if !FLOAT_RECOVERY { + p.bump(T![.]); } + p.bump(T![await]); + return Ok(m.complete(p, AWAIT_EXPR)); + } - Ok(field_expr(p, lhs)) + if p.at(T![..=]) || p.at(T![..]) { + return Err(lhs); } + + field_expr::<FLOAT_RECOVERY>(p, lhs) } // test call_expr @@ -455,11 +464,22 @@ fn index_expr(p: &mut Parser<'_>, lhs: CompletedMarker) -> CompletedMarker { // fn foo() { // x.foo(); // y.bar::<T>(1, 2,); +// x.0.0.call(); +// x.0. call(); // } -fn method_call_expr(p: &mut Parser<'_>, lhs: CompletedMarker) -> CompletedMarker { - assert!(p.at(T![.]) && p.nth(1) == IDENT && (p.nth(2) == T!['('] || p.nth_at(2, T![::]))); +fn method_call_expr<const FLOAT_RECOVERY: bool>( + p: &mut Parser<'_>, + lhs: CompletedMarker, +) -> CompletedMarker { + if FLOAT_RECOVERY { + assert!(p.nth(0) == IDENT && (p.nth(1) == T!['('] || p.nth_at(1, T![::]))); + } else { + assert!(p.at(T![.]) && p.nth(1) == IDENT && (p.nth(2) == T!['('] || p.nth_at(2, T![::]))); + } let m = lhs.precede(p); - p.bump_any(); + if !FLOAT_RECOVERY { + p.bump(T![.]); + } name_ref(p); generic_args::opt_generic_arg_list(p, true); if p.at(T!['(']) { @@ -472,21 +492,35 @@ fn method_call_expr(p: &mut Parser<'_>, lhs: CompletedMarker) -> CompletedMarker // fn foo() { // x.foo; // x.0.bar; +// x.0.1; +// x.0. bar; // x.0(); // } -fn field_expr(p: &mut Parser<'_>, lhs: CompletedMarker) -> CompletedMarker { - assert!(p.at(T![.])); +fn field_expr<const FLOAT_RECOVERY: bool>( + p: &mut Parser<'_>, + lhs: CompletedMarker, +) -> Result<CompletedMarker, CompletedMarker> { + if !FLOAT_RECOVERY { + assert!(p.at(T![.])); + } let m = lhs.precede(p); - p.bump(T![.]); + if !FLOAT_RECOVERY { + p.bump(T![.]); + } if p.at(IDENT) || p.at(INT_NUMBER) { name_ref_or_index(p); } else if p.at(FLOAT_NUMBER) { - // FIXME: How to recover and instead parse INT + T![.]? - p.bump_any(); + return match p.split_float(m) { + (true, m) => { + let lhs = m.complete(p, FIELD_EXPR); + postfix_dot_expr::<true>(p, lhs) + } + (false, m) => Ok(m.complete(p, FIELD_EXPR)), + }; } else { p.error("expected field name or number"); } - m.complete(p, FIELD_EXPR) + Ok(m.complete(p, FIELD_EXPR)) } // test try_expr diff --git a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs index efa3997353b..a23f900b738 100644 --- a/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs +++ b/src/tools/rust-analyzer/crates/parser/src/grammar/expressions/atom.rs @@ -152,7 +152,7 @@ pub(super) fn atom_expr( m.complete(p, BLOCK_EXPR) } - T![static] | T![async] | T![move] | T![|] => closure_expr(p), + T![const] | T![static] | T![async] | T![move] | T![|] => closure_expr(p), T![for] if la == T![<] => closure_expr(p), T![for] => for_expr(p, None), @@ -255,7 +255,7 @@ fn array_expr(p: &mut Parser<'_>) -> CompletedMarker { // } fn closure_expr(p: &mut Parser<'_>) -> CompletedMarker { assert!(match p.current() { - T![static] | T![async] | T![move] | T![|] => true, + T![const] | T![static] | T![async] | T![move] | T![|] => true, T![for] => p.nth(1) == T![<], _ => false, }); @@ -265,7 +265,9 @@ fn closure_expr(p: &mut Parser<'_>) -> CompletedMarker { if p.at(T![for]) { types::for_binder(p); } - + // test const_closure + // fn main() { let cl = const || _ = 0; } + p.eat(T![const]); p.eat(T![static]); p.eat(T![async]); p.eat(T![move]); diff --git a/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs b/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs index b48921f1917..100deff462d 100644 --- a/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs +++ b/src/tools/rust-analyzer/crates/parser/src/lexed_str.rs @@ -82,6 +82,7 @@ impl<'a> LexedStr<'a> { pub fn text(&self, i: usize) -> &str { self.range_text(i..i + 1) } + pub fn range_text(&self, r: ops::Range<usize>) -> &str { assert!(r.start < r.end && r.end <= self.len()); let lo = self.start[r.start] as usize; @@ -216,6 +217,10 @@ impl<'a> Converter<'a> { rustc_lexer::TokenKind::Caret => T![^], rustc_lexer::TokenKind::Percent => T![%], rustc_lexer::TokenKind::Unknown => ERROR, + rustc_lexer::TokenKind::UnknownPrefix => { + err = "unknown literal prefix"; + IDENT + } } }; diff --git a/src/tools/rust-analyzer/crates/parser/src/lib.rs b/src/tools/rust-analyzer/crates/parser/src/lib.rs index 87be4792773..8c5aed0232b 100644 --- a/src/tools/rust-analyzer/crates/parser/src/lib.rs +++ b/src/tools/rust-analyzer/crates/parser/src/lib.rs @@ -102,10 +102,14 @@ impl TopEntryPoint { match step { Step::Enter { .. } => depth += 1, Step::Exit => depth -= 1, + Step::FloatSplit { ends_in_dot: has_pseudo_dot } => { + depth -= 1 + !has_pseudo_dot as usize + } Step::Token { .. } | Step::Error { .. } => (), } } assert!(!first, "no tree at all"); + assert_eq!(depth, 0, "unbalanced tree"); } res diff --git a/src/tools/rust-analyzer/crates/parser/src/output.rs b/src/tools/rust-analyzer/crates/parser/src/output.rs index 6ca841cfe07..41d4c68b2d7 100644 --- a/src/tools/rust-analyzer/crates/parser/src/output.rs +++ b/src/tools/rust-analyzer/crates/parser/src/output.rs @@ -25,53 +25,88 @@ pub struct Output { #[derive(Debug)] pub enum Step<'a> { Token { kind: SyntaxKind, n_input_tokens: u8 }, + FloatSplit { ends_in_dot: bool }, Enter { kind: SyntaxKind }, Exit, Error { msg: &'a str }, } impl Output { + const EVENT_MASK: u32 = 0b1; + const TAG_MASK: u32 = 0x0000_00F0; + const N_INPUT_TOKEN_MASK: u32 = 0x0000_FF00; + const KIND_MASK: u32 = 0xFFFF_0000; + + const ERROR_SHIFT: u32 = Self::EVENT_MASK.trailing_ones(); + const TAG_SHIFT: u32 = Self::TAG_MASK.trailing_zeros(); + const N_INPUT_TOKEN_SHIFT: u32 = Self::N_INPUT_TOKEN_MASK.trailing_zeros(); + const KIND_SHIFT: u32 = Self::KIND_MASK.trailing_zeros(); + + const TOKEN_EVENT: u8 = 0; + const ENTER_EVENT: u8 = 1; + const EXIT_EVENT: u8 = 2; + const SPLIT_EVENT: u8 = 3; + pub fn iter(&self) -> impl Iterator<Item = Step<'_>> { self.event.iter().map(|&event| { - if event & 0b1 == 0 { - return Step::Error { msg: self.error[(event as usize) >> 1].as_str() }; + if event & Self::EVENT_MASK == 0 { + return Step::Error { + msg: self.error[(event as usize) >> Self::ERROR_SHIFT].as_str(), + }; } - let tag = ((event & 0x0000_00F0) >> 4) as u8; + let tag = ((event & Self::TAG_MASK) >> Self::TAG_SHIFT) as u8; match tag { - 0 => { - let kind: SyntaxKind = (((event & 0xFFFF_0000) >> 16) as u16).into(); - let n_input_tokens = ((event & 0x0000_FF00) >> 8) as u8; + Self::TOKEN_EVENT => { + let kind: SyntaxKind = + (((event & Self::KIND_MASK) >> Self::KIND_SHIFT) as u16).into(); + let n_input_tokens = + ((event & Self::N_INPUT_TOKEN_MASK) >> Self::N_INPUT_TOKEN_SHIFT) as u8; Step::Token { kind, n_input_tokens } } - 1 => { - let kind: SyntaxKind = (((event & 0xFFFF_0000) >> 16) as u16).into(); + Self::ENTER_EVENT => { + let kind: SyntaxKind = + (((event & Self::KIND_MASK) >> Self::KIND_SHIFT) as u16).into(); Step::Enter { kind } } - 2 => Step::Exit, + Self::EXIT_EVENT => Step::Exit, + Self::SPLIT_EVENT => { + Step::FloatSplit { ends_in_dot: event & Self::N_INPUT_TOKEN_MASK != 0 } + } _ => unreachable!(), } }) } pub(crate) fn token(&mut self, kind: SyntaxKind, n_tokens: u8) { - let e = ((kind as u16 as u32) << 16) | ((n_tokens as u32) << 8) | 1; + let e = ((kind as u16 as u32) << Self::KIND_SHIFT) + | ((n_tokens as u32) << Self::N_INPUT_TOKEN_SHIFT) + | Self::EVENT_MASK; self.event.push(e) } + pub(crate) fn float_split_hack(&mut self, ends_in_dot: bool) { + let e = (Self::SPLIT_EVENT as u32) << Self::TAG_SHIFT + | ((ends_in_dot as u32) << Self::N_INPUT_TOKEN_SHIFT) + | Self::EVENT_MASK; + self.event.push(e); + } + pub(crate) fn enter_node(&mut self, kind: SyntaxKind) { - let e = ((kind as u16 as u32) << 16) | (1 << 4) | 1; + let e = ((kind as u16 as u32) << Self::KIND_SHIFT) + | ((Self::ENTER_EVENT as u32) << Self::TAG_SHIFT) + | Self::EVENT_MASK; self.event.push(e) } pub(crate) fn leave_node(&mut self) { - let e = 2 << 4 | 1; + let e = (Self::EXIT_EVENT as u32) << Self::TAG_SHIFT | Self::EVENT_MASK; self.event.push(e) } pub(crate) fn error(&mut self, error: String) { let idx = self.error.len(); self.error.push(error); - let e = (idx as u32) << 1; + let e = (idx as u32) << Self::ERROR_SHIFT; self.event.push(e); } } diff --git a/src/tools/rust-analyzer/crates/parser/src/parser.rs b/src/tools/rust-analyzer/crates/parser/src/parser.rs index 48aecb35be1..280416ae7c9 100644 --- a/src/tools/rust-analyzer/crates/parser/src/parser.rs +++ b/src/tools/rust-analyzer/crates/parser/src/parser.rs @@ -181,6 +181,35 @@ impl<'t> Parser<'t> { self.do_bump(kind, 1); } + /// Advances the parser by one token + pub(crate) fn split_float(&mut self, mut marker: Marker) -> (bool, Marker) { + assert!(self.at(SyntaxKind::FLOAT_NUMBER)); + // we have parse `<something>.` + // `<something>`.0.1 + // here we need to insert an extra event + // + // `<something>`. 0. 1; + // here we need to change the follow up parse, the return value will cause us to emulate a dot + // the actual splitting happens later + let ends_in_dot = !self.inp.is_joint(self.pos); + if !ends_in_dot { + let new_marker = self.start(); + let idx = marker.pos as usize; + match &mut self.events[idx] { + Event::Start { forward_parent, kind } => { + *kind = SyntaxKind::FIELD_EXPR; + *forward_parent = Some(new_marker.pos - marker.pos); + } + _ => unreachable!(), + } + marker.bomb.defuse(); + marker = new_marker; + }; + self.pos += 1 as usize; + self.push_event(Event::FloatSplitHack { ends_in_dot }); + (ends_in_dot, marker) + } + /// Advances the parser by one token, remapping its kind. /// This is useful to create contextual keywords from /// identifiers. For example, the lexer creates a `union` diff --git a/src/tools/rust-analyzer/crates/parser/src/shortcuts.rs b/src/tools/rust-analyzer/crates/parser/src/shortcuts.rs index 2be4050d135..47e4adcbbe6 100644 --- a/src/tools/rust-analyzer/crates/parser/src/shortcuts.rs +++ b/src/tools/rust-analyzer/crates/parser/src/shortcuts.rs @@ -43,7 +43,16 @@ impl<'a> LexedStr<'a> { res.was_joint(); } res.push(kind); + // Tag the token as joint if it is float with a fractional part + // we use this jointness to inform the parser about what token split + // event to emit when we encounter a float literal in a field access + if kind == SyntaxKind::FLOAT_NUMBER { + if !self.text(i).ends_with('.') { + res.was_joint(); + } + } } + was_joint = true; } } @@ -63,6 +72,9 @@ impl<'a> LexedStr<'a> { Step::Token { kind, n_input_tokens: n_raw_tokens } => { builder.token(kind, n_raw_tokens) } + Step::FloatSplit { ends_in_dot: has_pseudo_dot } => { + builder.float_split(has_pseudo_dot) + } Step::Enter { kind } => builder.enter(kind), Step::Exit => builder.exit(), Step::Error { msg } => { @@ -109,6 +121,16 @@ impl Builder<'_, '_> { self.do_token(kind, n_tokens as usize); } + fn float_split(&mut self, has_pseudo_dot: bool) { + match mem::replace(&mut self.state, State::Normal) { + State::PendingEnter => unreachable!(), + State::PendingExit => (self.sink)(StrStep::Exit), + State::Normal => (), + } + self.eat_trivias(); + self.do_float_split(has_pseudo_dot); + } + fn enter(&mut self, kind: SyntaxKind) { match mem::replace(&mut self.state, State::Normal) { State::PendingEnter => { @@ -164,6 +186,37 @@ impl Builder<'_, '_> { self.pos += n_tokens; (self.sink)(StrStep::Token { kind, text }); } + + fn do_float_split(&mut self, has_pseudo_dot: bool) { + let text = &self.lexed.range_text(self.pos..self.pos + 1); + self.pos += 1; + match text.split_once('.') { + Some((left, right)) => { + assert!(!left.is_empty()); + (self.sink)(StrStep::Enter { kind: SyntaxKind::NAME_REF }); + (self.sink)(StrStep::Token { kind: SyntaxKind::INT_NUMBER, text: left }); + (self.sink)(StrStep::Exit); + + // here we move the exit up, the original exit has been deleted in process + (self.sink)(StrStep::Exit); + + (self.sink)(StrStep::Token { kind: SyntaxKind::DOT, text: "." }); + + if has_pseudo_dot { + assert!(right.is_empty(), "{left}.{right}"); + self.state = State::Normal; + } else { + (self.sink)(StrStep::Enter { kind: SyntaxKind::NAME_REF }); + (self.sink)(StrStep::Token { kind: SyntaxKind::INT_NUMBER, text: right }); + (self.sink)(StrStep::Exit); + + // the parser creates an unbalanced start node, we are required to close it here + self.state = State::PendingExit; + } + } + None => unreachable!(), + } + } } fn n_attached_trivias<'a>( diff --git a/src/tools/rust-analyzer/crates/parser/src/tests/prefix_entries.rs b/src/tools/rust-analyzer/crates/parser/src/tests/prefix_entries.rs index e626b4f27e0..40f92e58804 100644 --- a/src/tools/rust-analyzer/crates/parser/src/tests/prefix_entries.rs +++ b/src/tools/rust-analyzer/crates/parser/src/tests/prefix_entries.rs @@ -51,6 +51,9 @@ fn expr() { check(PrefixEntryPoint::Expr, "-1", "-1"); check(PrefixEntryPoint::Expr, "fn foo() {}", "fn"); check(PrefixEntryPoint::Expr, "#[attr] ()", "#[attr] ()"); + check(PrefixEntryPoint::Expr, "foo.0", "foo.0"); + check(PrefixEntryPoint::Expr, "foo.0.1", "foo.0.1"); + check(PrefixEntryPoint::Expr, "foo.0. foo", "foo.0. foo"); } #[test] @@ -88,6 +91,7 @@ fn check(entry: PrefixEntryPoint, input: &str, prefix: &str) { for step in entry.parse(&input).iter() { match step { Step::Token { n_input_tokens, .. } => n_tokens += n_input_tokens as usize, + Step::FloatSplit { .. } => n_tokens += 1, Step::Enter { .. } | Step::Exit | Step::Error { .. } => (), } } diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast index 8498724b9ef..dd27dc48964 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rast @@ -41,6 +41,39 @@ SOURCE_FILE SEMICOLON ";" WHITESPACE "\n " EXPR_STMT + FIELD_EXPR + FIELD_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "x" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + NAME_REF + INT_NUMBER "1" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + FIELD_EXPR + FIELD_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "x" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + WHITESPACE " " + NAME_REF + IDENT "bar" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT CALL_EXPR FIELD_EXPR PATH_EXPR diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs index b8da2ddc309..98dbe45a7ec 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0011_field_expr.rs @@ -1,5 +1,7 @@ fn foo() { x.foo; x.0.bar; + x.0.1; + x.0. bar; x.0(); } diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast index dcbcfe1231e..b28b8eb673a 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rast @@ -58,6 +58,49 @@ SOURCE_FILE COMMA "," R_PAREN ")" SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + METHOD_CALL_EXPR + FIELD_EXPR + FIELD_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "x" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + NAME_REF + IDENT "call" + ARG_LIST + L_PAREN "(" + R_PAREN ")" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + METHOD_CALL_EXPR + FIELD_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "x" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + WHITESPACE " " + NAME_REF + IDENT "call" + ARG_LIST + L_PAREN "(" + R_PAREN ")" + SEMICOLON ";" WHITESPACE "\n" R_CURLY "}" WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs index 1a3aa35ae8e..48bb6381e80 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0107_method_call_expr.rs @@ -1,4 +1,6 @@ fn foo() { x.foo(); y.bar::<T>(1, 2,); + x.0.0.call(); + x.0. call(); } diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rast index 9d37ada0da8..af713a22072 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rast +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rast @@ -65,6 +65,41 @@ SOURCE_FILE L_PAREN "(" R_PAREN ")" SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + AWAIT_EXPR + FIELD_EXPR + FIELD_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "x" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + AWAIT_KW "await" + SEMICOLON ";" + WHITESPACE "\n " + EXPR_STMT + AWAIT_EXPR + FIELD_EXPR + PATH_EXPR + PATH + PATH_SEGMENT + NAME_REF + IDENT "x" + DOT "." + NAME_REF + INT_NUMBER "0" + DOT "." + WHITESPACE " " + AWAIT_KW "await" + SEMICOLON ";" WHITESPACE "\n" R_CURLY "}" WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rs index d2ba89ca607..fe9a3211bb1 100644 --- a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rs +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0137_await_expr.rs @@ -2,4 +2,6 @@ fn foo() { x.await; x.0.await; x.0().await?.hello(); + x.0.0.await; + x.0. await; } diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0205_const_closure.rast b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0205_const_closure.rast new file mode 100644 index 00000000000..06442a1d0f1 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0205_const_closure.rast @@ -0,0 +1,42 @@ +SOURCE_FILE + FN + FN_KW "fn" + WHITESPACE " " + NAME + IDENT "main" + PARAM_LIST + L_PAREN "(" + R_PAREN ")" + WHITESPACE " " + BLOCK_EXPR + STMT_LIST + L_CURLY "{" + WHITESPACE " " + LET_STMT + LET_KW "let" + WHITESPACE " " + IDENT_PAT + NAME + IDENT "cl" + WHITESPACE " " + EQ "=" + WHITESPACE " " + CLOSURE_EXPR + CONST_KW "const" + WHITESPACE " " + PARAM_LIST + PIPE "|" + PIPE "|" + WHITESPACE " " + BIN_EXPR + UNDERSCORE_EXPR + UNDERSCORE "_" + WHITESPACE " " + EQ "=" + WHITESPACE " " + LITERAL + INT_NUMBER "0" + SEMICOLON ";" + WHITESPACE " " + R_CURLY "}" + WHITESPACE "\n" diff --git a/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0205_const_closure.rs b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0205_const_closure.rs new file mode 100644 index 00000000000..0c05cc70bd3 --- /dev/null +++ b/src/tools/rust-analyzer/crates/parser/test_data/parser/inline/ok/0205_const_closure.rs @@ -0,0 +1 @@ +fn main() { let cl = const || _ = 0; } diff --git a/src/tools/rust-analyzer/crates/paths/Cargo.toml b/src/tools/rust-analyzer/crates/paths/Cargo.toml index d23a63d2a97..e24e6eceffb 100644 --- a/src/tools/rust-analyzer/crates/paths/Cargo.toml +++ b/src/tools/rust-analyzer/crates/paths/Cargo.toml @@ -2,9 +2,11 @@ name = "paths" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false diff --git a/src/tools/rust-analyzer/crates/proc-macro-api/Cargo.toml b/src/tools/rust-analyzer/crates/proc-macro-api/Cargo.toml index f261f3def45..28469b83246 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-api/Cargo.toml +++ b/src/tools/rust-analyzer/crates/proc-macro-api/Cargo.toml @@ -2,15 +2,17 @@ name = "proc-macro-api" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false [dependencies] -object = { version = "0.29.0", default-features = false, features = [ +object = { version = "0.30.2", default-features = false, features = [ "std", "read_core", "elf", @@ -21,11 +23,12 @@ serde = { version = "1.0.137", features = ["derive"] } serde_json = { version = "1.0.81", features = ["unbounded_depth"] } tracing = "0.1.37" memmap2 = "0.5.4" -snap = "1.0.5" +snap = "1.1.0" -paths = { path = "../paths", version = "0.0.0" } -tt = { path = "../tt", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } +# local deps +paths.workspace = true +tt.workspace = true +stdx.workspace = true +profile.workspace = true # Intentionally *not* depend on anything salsa-related -# base-db = { path = "../base-db", version = "0.0.0" } +# base-db.workspace = true diff --git a/src/tools/rust-analyzer/crates/proc-macro-api/src/lib.rs b/src/tools/rust-analyzer/crates/proc-macro-api/src/lib.rs index 7921fda331e..90d06967e8f 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-api/src/lib.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-api/src/lib.rs @@ -19,7 +19,8 @@ use std::{ }; use serde::{Deserialize, Serialize}; -use tt::Subtree; + +use ::tt::token_id as tt; use crate::{ msg::{ExpandMacro, FlatTree, PanicMessage}, @@ -70,7 +71,7 @@ impl MacroDylib { /// A handle to a specific macro (a `#[proc_macro]` annotated function). /// -/// It exists withing a context of a specific [`ProcMacroProcess`] -- currently +/// It exists within a context of a specific [`ProcMacroProcess`] -- currently /// we share a single expander process for all macros. #[derive(Debug, Clone)] pub struct ProcMacro { @@ -114,14 +115,14 @@ impl ProcMacroServer { /// Spawns an external process as the proc macro server and returns a client connected to it. pub fn spawn( process_path: AbsPathBuf, - args: impl IntoIterator<Item = impl AsRef<OsStr>>, + args: impl IntoIterator<Item = impl AsRef<OsStr>> + Clone, ) -> io::Result<ProcMacroServer> { let process = ProcMacroProcessSrv::run(process_path, args)?; Ok(ProcMacroServer { process: Arc::new(Mutex::new(process)) }) } pub fn load_dylib(&self, dylib: MacroDylib) -> Result<Vec<ProcMacro>, ServerError> { - let _p = profile::span("ProcMacroClient::by_dylib_path"); + let _p = profile::span("ProcMacroClient::load_dylib"); let macros = self.process.lock().unwrap_or_else(|e| e.into_inner()).find_proc_macros(&dylib.path)?; @@ -151,10 +152,10 @@ impl ProcMacro { pub fn expand( &self, - subtree: &Subtree, - attr: Option<&Subtree>, + subtree: &tt::Subtree, + attr: Option<&tt::Subtree>, env: Vec<(String, String)>, - ) -> Result<Result<Subtree, PanicMessage>, ServerError> { + ) -> Result<Result<tt::Subtree, PanicMessage>, ServerError> { let current_dir = env .iter() .find(|(name, _)| name == "CARGO_MANIFEST_DIR") @@ -173,7 +174,7 @@ impl ProcMacro { let response = self.process.lock().unwrap_or_else(|e| e.into_inner()).send_task(request)?; match response { msg::Response::ExpandMacro(it) => Ok(it.map(FlatTree::to_subtree)), - msg::Response::ListMacros { .. } => { + msg::Response::ListMacros(..) | msg::Response::ApiVersionCheck(..) => { Err(ServerError { message: "unexpected response".to_string(), io: None }) } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-api/src/msg.rs b/src/tools/rust-analyzer/crates/proc-macro-api/src/msg.rs index f9c2b9fda3a..4040efe93f0 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-api/src/msg.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-api/src/msg.rs @@ -12,16 +12,21 @@ use crate::ProcMacroKind; pub use crate::msg::flat::FlatTree; +pub const NO_VERSION_CHECK_VERSION: u32 = 0; +pub const CURRENT_API_VERSION: u32 = 1; + #[derive(Debug, Serialize, Deserialize)] pub enum Request { ListMacros { dylib_path: PathBuf }, ExpandMacro(ExpandMacro), + ApiVersionCheck {}, } #[derive(Debug, Serialize, Deserialize)] pub enum Response { ListMacros(Result<Vec<(String, ProcMacroKind)>, String>), ExpandMacro(Result<FlatTree, PanicMessage>), + ApiVersionCheck(u32), } #[derive(Debug, Serialize, Deserialize)] @@ -107,27 +112,31 @@ fn write_json(out: &mut impl Write, msg: &str) -> io::Result<()> { #[cfg(test)] mod tests { use super::*; - use tt::*; + use crate::tt::*; fn fixture_token_tree() -> Subtree { - let mut subtree = Subtree::default(); + let mut subtree = Subtree { delimiter: Delimiter::unspecified(), token_trees: Vec::new() }; subtree .token_trees - .push(TokenTree::Leaf(Ident { text: "struct".into(), id: TokenId(0) }.into())); + .push(TokenTree::Leaf(Ident { text: "struct".into(), span: TokenId(0) }.into())); subtree .token_trees - .push(TokenTree::Leaf(Ident { text: "Foo".into(), id: TokenId(1) }.into())); + .push(TokenTree::Leaf(Ident { text: "Foo".into(), span: TokenId(1) }.into())); subtree.token_trees.push(TokenTree::Leaf(Leaf::Literal(Literal { text: "Foo".into(), - id: TokenId::unspecified(), + span: TokenId::unspecified(), }))); subtree.token_trees.push(TokenTree::Leaf(Leaf::Punct(Punct { char: '@', - id: TokenId::unspecified(), + span: TokenId::unspecified(), spacing: Spacing::Joint, }))); subtree.token_trees.push(TokenTree::Subtree(Subtree { - delimiter: Some(Delimiter { id: TokenId(2), kind: DelimiterKind::Brace }), + delimiter: Delimiter { + open: TokenId(2), + close: TokenId::UNSPECIFIED, + kind: DelimiterKind::Brace, + }, token_trees: vec![], })); subtree diff --git a/src/tools/rust-analyzer/crates/proc-macro-api/src/msg/flat.rs b/src/tools/rust-analyzer/crates/proc-macro-api/src/msg/flat.rs index b178c46263e..fd3202e0b28 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-api/src/msg/flat.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-api/src/msg/flat.rs @@ -38,7 +38,8 @@ use std::collections::{HashMap, VecDeque}; use serde::{Deserialize, Serialize}; -use tt::TokenId; + +use crate::tt::{self, TokenId}; #[derive(Serialize, Deserialize, Debug)] pub struct FlatTree { @@ -52,7 +53,7 @@ pub struct FlatTree { struct SubtreeRepr { id: tt::TokenId, - kind: Option<tt::DelimiterKind>, + kind: tt::DelimiterKind, tt: [u32; 2], } @@ -124,19 +125,19 @@ impl FlatTree { impl SubtreeRepr { fn write(self) -> [u32; 4] { let kind = match self.kind { - None => 0, - Some(tt::DelimiterKind::Parenthesis) => 1, - Some(tt::DelimiterKind::Brace) => 2, - Some(tt::DelimiterKind::Bracket) => 3, + tt::DelimiterKind::Invisible => 0, + tt::DelimiterKind::Parenthesis => 1, + tt::DelimiterKind::Brace => 2, + tt::DelimiterKind::Bracket => 3, }; [self.id.0, kind, self.tt[0], self.tt[1]] } fn read([id, kind, lo, len]: [u32; 4]) -> SubtreeRepr { let kind = match kind { - 0 => None, - 1 => Some(tt::DelimiterKind::Parenthesis), - 2 => Some(tt::DelimiterKind::Brace), - 3 => Some(tt::DelimiterKind::Bracket), + 0 => tt::DelimiterKind::Invisible, + 1 => tt::DelimiterKind::Parenthesis, + 2 => tt::DelimiterKind::Brace, + 3 => tt::DelimiterKind::Bracket, other => panic!("bad kind {other}"), }; SubtreeRepr { id: TokenId(id), kind, tt: [lo, len] } @@ -216,7 +217,7 @@ impl<'a> Writer<'a> { tt::Leaf::Literal(lit) => { let idx = self.literal.len() as u32; let text = self.intern(&lit.text); - self.literal.push(LiteralRepr { id: lit.id, text }); + self.literal.push(LiteralRepr { id: lit.span, text }); idx << 2 | 0b01 } tt::Leaf::Punct(punct) => { @@ -224,14 +225,14 @@ impl<'a> Writer<'a> { self.punct.push(PunctRepr { char: punct.char, spacing: punct.spacing, - id: punct.id, + id: punct.span, }); idx << 2 | 0b10 } tt::Leaf::Ident(ident) => { let idx = self.ident.len() as u32; let text = self.intern(&ident.text); - self.ident.push(IdentRepr { id: ident.id, text }); + self.ident.push(IdentRepr { id: ident.span, text }); idx << 2 | 0b11 } }, @@ -243,8 +244,8 @@ impl<'a> Writer<'a> { fn enqueue(&mut self, subtree: &'a tt::Subtree) -> u32 { let idx = self.subtree.len(); - let delimiter_id = subtree.delimiter.map_or(TokenId::unspecified(), |it| it.id); - let delimiter_kind = subtree.delimiter.map(|it| it.kind); + let delimiter_id = subtree.delimiter.open; + let delimiter_kind = subtree.delimiter.kind; self.subtree.push(SubtreeRepr { id: delimiter_id, kind: delimiter_kind, tt: [!0, !0] }); self.work.push_back((idx, subtree)); idx as u32 @@ -276,7 +277,11 @@ impl Reader { let repr = &self.subtree[i]; let token_trees = &self.token_tree[repr.tt[0] as usize..repr.tt[1] as usize]; let s = tt::Subtree { - delimiter: repr.kind.map(|kind| tt::Delimiter { id: repr.id, kind }), + delimiter: tt::Delimiter { + open: repr.id, + close: TokenId::UNSPECIFIED, + kind: repr.kind, + }, token_trees: token_trees .iter() .copied() @@ -291,7 +296,7 @@ impl Reader { let repr = &self.literal[idx]; tt::Leaf::Literal(tt::Literal { text: self.text[repr.text as usize].as_str().into(), - id: repr.id, + span: repr.id, }) .into() } @@ -300,7 +305,7 @@ impl Reader { tt::Leaf::Punct(tt::Punct { char: repr.char, spacing: repr.spacing, - id: repr.id, + span: repr.id, }) .into() } @@ -308,7 +313,7 @@ impl Reader { let repr = &self.ident[idx]; tt::Leaf::Ident(tt::Ident { text: self.text[repr.text as usize].as_str().into(), - id: repr.id, + span: repr.id, }) .into() } diff --git a/src/tools/rust-analyzer/crates/proc-macro-api/src/process.rs b/src/tools/rust-analyzer/crates/proc-macro-api/src/process.rs index 54dcb17f4e8..1ccbd780fdd 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-api/src/process.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-api/src/process.rs @@ -10,7 +10,7 @@ use paths::{AbsPath, AbsPathBuf}; use stdx::JodChild; use crate::{ - msg::{Message, Request, Response}, + msg::{Message, Request, Response, CURRENT_API_VERSION}, ProcMacroKind, ServerError, }; @@ -19,19 +19,53 @@ pub(crate) struct ProcMacroProcessSrv { _process: Process, stdin: ChildStdin, stdout: BufReader<ChildStdout>, + version: u32, } impl ProcMacroProcessSrv { pub(crate) fn run( process_path: AbsPathBuf, - args: impl IntoIterator<Item = impl AsRef<OsStr>>, + args: impl IntoIterator<Item = impl AsRef<OsStr>> + Clone, ) -> io::Result<ProcMacroProcessSrv> { - let mut process = Process::run(process_path, args)?; - let (stdin, stdout) = process.stdio().expect("couldn't access child stdio"); + let create_srv = |null_stderr| { + let mut process = Process::run(process_path.clone(), args.clone(), null_stderr)?; + let (stdin, stdout) = process.stdio().expect("couldn't access child stdio"); + + io::Result::Ok(ProcMacroProcessSrv { _process: process, stdin, stdout, version: 0 }) + }; + let mut srv = create_srv(true)?; + tracing::info!("sending version check"); + match srv.version_check() { + Ok(v) if v > CURRENT_API_VERSION => Err(io::Error::new( + io::ErrorKind::Other, + format!( + "proc-macro server's api version ({}) is newer than rust-analyzer's ({})", + v, CURRENT_API_VERSION + ), + )), + Ok(v) => { + tracing::info!("got version {v}"); + srv = create_srv(false)?; + srv.version = v; + Ok(srv) + } + Err(e) => { + tracing::info!(%e, "proc-macro version check failed, restarting and assuming version 0"); + create_srv(false) + } + } + } - let srv = ProcMacroProcessSrv { _process: process, stdin, stdout }; + pub(crate) fn version_check(&mut self) -> Result<u32, ServerError> { + let request = Request::ApiVersionCheck {}; + let response = self.send_task(request)?; - Ok(srv) + match response { + Response::ApiVersionCheck(version) => Ok(version), + Response::ExpandMacro { .. } | Response::ListMacros { .. } => { + Err(ServerError { message: "unexpected response".to_string(), io: None }) + } + } } pub(crate) fn find_proc_macros( @@ -44,7 +78,7 @@ impl ProcMacroProcessSrv { match response { Response::ListMacros(it) => Ok(it), - Response::ExpandMacro { .. } => { + Response::ExpandMacro { .. } | Response::ApiVersionCheck { .. } => { Err(ServerError { message: "unexpected response".to_string(), io: None }) } } @@ -65,9 +99,10 @@ impl Process { fn run( path: AbsPathBuf, args: impl IntoIterator<Item = impl AsRef<OsStr>>, + null_stderr: bool, ) -> io::Result<Process> { let args: Vec<OsString> = args.into_iter().map(|s| s.as_ref().into()).collect(); - let child = JodChild(mk_child(&path, args)?); + let child = JodChild(mk_child(&path, args, null_stderr)?); Ok(Process { child }) } @@ -83,13 +118,14 @@ impl Process { fn mk_child( path: &AbsPath, args: impl IntoIterator<Item = impl AsRef<OsStr>>, + null_stderr: bool, ) -> io::Result<Child> { Command::new(path.as_os_str()) .args(args) .env("RUST_ANALYZER_INTERNALS_DO_NOT_USE", "this is unstable") .stdin(Stdio::piped()) .stdout(Stdio::piped()) - .stderr(Stdio::inherit()) + .stderr(if null_stderr { Stdio::null() } else { Stdio::inherit() }) .spawn() } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv-cli/Cargo.toml b/src/tools/rust-analyzer/crates/proc-macro-srv-cli/Cargo.toml index 7991e125ab8..c402bc02253 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv-cli/Cargo.toml +++ b/src/tools/rust-analyzer/crates/proc-macro-srv-cli/Cargo.toml @@ -2,12 +2,14 @@ name = "proc-macro-srv-cli" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [dependencies] -proc-macro-srv = { version = "0.0.0", path = "../proc-macro-srv" } +proc-macro-srv.workspace = true [features] sysroot-abi = ["proc-macro-srv/sysroot-abi"] diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/Cargo.toml b/src/tools/rust-analyzer/crates/proc-macro-srv/Cargo.toml index a136abc12b7..f7f07cfcb2e 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/Cargo.toml +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/Cargo.toml @@ -2,15 +2,17 @@ name = "proc-macro-srv" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false [dependencies] -object = { version = "0.29.0", default-features = false, features = [ +object = { version = "0.30.2", default-features = false, features = [ "std", "read_core", "elf", @@ -20,16 +22,16 @@ object = { version = "0.29.0", default-features = false, features = [ libloading = "0.7.3" memmap2 = "0.5.4" -tt = { path = "../tt", version = "0.0.0" } -mbe = { path = "../mbe", version = "0.0.0" } -paths = { path = "../paths", version = "0.0.0" } -proc-macro-api = { path = "../proc-macro-api", version = "0.0.0" } +tt.workspace = true +mbe.workspace = true +paths.workspace = true +proc-macro-api.workspace = true [dev-dependencies] expect-test = "1.4.0" # used as proc macro test targets -proc-macro-test = { path = "../proc-macro-test" } +proc-macro-test.workspace = true [features] sysroot-abi = [] diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/mod.rs deleted file mode 100644 index 1c91ac0fa1b..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/mod.rs +++ /dev/null @@ -1,104 +0,0 @@ -//! Macro ABI for version 1.58 of rustc - -#[allow(dead_code)] -#[doc(hidden)] -mod proc_macro; - -#[allow(dead_code)] -#[doc(hidden)] -mod ra_server; - -use libloading::Library; -use proc_macro_api::ProcMacroKind; - -use super::PanicMessage; - -pub(crate) struct Abi { - exported_macros: Vec<proc_macro::bridge::client::ProcMacro>, -} - -impl From<proc_macro::bridge::PanicMessage> for PanicMessage { - fn from(p: proc_macro::bridge::PanicMessage) -> Self { - Self { message: p.as_str().map(|s| s.to_string()) } - } -} - -impl Abi { - pub unsafe fn from_lib(lib: &Library, symbol_name: String) -> Result<Abi, libloading::Error> { - let macros: libloading::Symbol<'_, &&[proc_macro::bridge::client::ProcMacro]> = - lib.get(symbol_name.as_bytes())?; - Ok(Self { exported_macros: macros.to_vec() }) - } - - pub fn expand( - &self, - macro_name: &str, - macro_body: &tt::Subtree, - attributes: Option<&tt::Subtree>, - ) -> Result<tt::Subtree, PanicMessage> { - let parsed_body = ra_server::TokenStream::with_subtree(macro_body.clone()); - - let parsed_attributes = attributes.map_or(ra_server::TokenStream::new(), |attr| { - ra_server::TokenStream::with_subtree(attr.clone()) - }); - - for proc_macro in &self.exported_macros { - match proc_macro { - proc_macro::bridge::client::ProcMacro::CustomDerive { - trait_name, client, .. - } if *trait_name == macro_name => { - let res = client.run( - &proc_macro::bridge::server::SameThread, - ra_server::RustAnalyzer::default(), - parsed_body, - true, - ); - return res.map(|it| it.into_subtree()).map_err(PanicMessage::from); - } - proc_macro::bridge::client::ProcMacro::Bang { name, client } - if *name == macro_name => - { - let res = client.run( - &proc_macro::bridge::server::SameThread, - ra_server::RustAnalyzer::default(), - parsed_body, - true, - ); - return res.map(|it| it.into_subtree()).map_err(PanicMessage::from); - } - proc_macro::bridge::client::ProcMacro::Attr { name, client } - if *name == macro_name => - { - let res = client.run( - &proc_macro::bridge::server::SameThread, - ra_server::RustAnalyzer::default(), - parsed_attributes, - parsed_body, - true, - ); - return res.map(|it| it.into_subtree()).map_err(PanicMessage::from); - } - _ => continue, - } - } - - Err(proc_macro::bridge::PanicMessage::String("Nothing to expand".to_string()).into()) - } - - pub fn list_macros(&self) -> Vec<(String, ProcMacroKind)> { - self.exported_macros - .iter() - .map(|proc_macro| match proc_macro { - proc_macro::bridge::client::ProcMacro::CustomDerive { trait_name, .. } => { - (trait_name.to_string(), ProcMacroKind::CustomDerive) - } - proc_macro::bridge::client::ProcMacro::Bang { name, .. } => { - (name.to_string(), ProcMacroKind::FuncLike) - } - proc_macro::bridge::client::ProcMacro::Attr { name, .. } => { - (name.to_string(), ProcMacroKind::Attr) - } - }) - .collect() - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs deleted file mode 100644 index d82669d3e23..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/buffer.rs +++ /dev/null @@ -1,143 +0,0 @@ -//! Buffer management for same-process client<->server communication. - -use std::io::{self, Write}; -use std::mem; -use std::ops::{Deref, DerefMut}; -use std::slice; - -#[repr(C)] -pub struct Buffer<T: Copy> { - data: *mut T, - len: usize, - capacity: usize, - reserve: extern "C" fn(Buffer<T>, usize) -> Buffer<T>, - drop: extern "C" fn(Buffer<T>), -} - -unsafe impl<T: Copy + Sync> Sync for Buffer<T> {} -unsafe impl<T: Copy + Send> Send for Buffer<T> {} - -impl<T: Copy> Default for Buffer<T> { - fn default() -> Self { - Self::from(vec![]) - } -} - -impl<T: Copy> Deref for Buffer<T> { - type Target = [T]; - fn deref(&self) -> &[T] { - unsafe { slice::from_raw_parts(self.data as *const T, self.len) } - } -} - -impl<T: Copy> DerefMut for Buffer<T> { - fn deref_mut(&mut self) -> &mut [T] { - unsafe { slice::from_raw_parts_mut(self.data, self.len) } - } -} - -impl<T: Copy> Buffer<T> { - pub(super) fn new() -> Self { - Self::default() - } - - pub(super) fn clear(&mut self) { - self.len = 0; - } - - pub(super) fn take(&mut self) -> Self { - mem::take(self) - } - - // We have the array method separate from extending from a slice. This is - // because in the case of small arrays, codegen can be more efficient - // (avoiding a memmove call). With extend_from_slice, LLVM at least - // currently is not able to make that optimization. - pub(super) fn extend_from_array<const N: usize>(&mut self, xs: &[T; N]) { - if xs.len() > (self.capacity - self.len) { - let b = self.take(); - *self = (b.reserve)(b, xs.len()); - } - unsafe { - xs.as_ptr().copy_to_nonoverlapping(self.data.add(self.len), xs.len()); - self.len += xs.len(); - } - } - - pub(super) fn extend_from_slice(&mut self, xs: &[T]) { - if xs.len() > (self.capacity - self.len) { - let b = self.take(); - *self = (b.reserve)(b, xs.len()); - } - unsafe { - xs.as_ptr().copy_to_nonoverlapping(self.data.add(self.len), xs.len()); - self.len += xs.len(); - } - } - - pub(super) fn push(&mut self, v: T) { - // The code here is taken from Vec::push, and we know that reserve() - // will panic if we're exceeding isize::MAX bytes and so there's no need - // to check for overflow. - if self.len == self.capacity { - let b = self.take(); - *self = (b.reserve)(b, 1); - } - unsafe { - *self.data.add(self.len) = v; - self.len += 1; - } - } -} - -impl Write for Buffer<u8> { - fn write(&mut self, xs: &[u8]) -> io::Result<usize> { - self.extend_from_slice(xs); - Ok(xs.len()) - } - - fn write_all(&mut self, xs: &[u8]) -> io::Result<()> { - self.extend_from_slice(xs); - Ok(()) - } - - fn flush(&mut self) -> io::Result<()> { - Ok(()) - } -} - -impl<T: Copy> Drop for Buffer<T> { - fn drop(&mut self) { - let b = self.take(); - (b.drop)(b); - } -} - -impl<T: Copy> From<Vec<T>> for Buffer<T> { - fn from(mut v: Vec<T>) -> Self { - let (data, len, capacity) = (v.as_mut_ptr(), v.len(), v.capacity()); - mem::forget(v); - - // This utility function is nested in here because it can *only* - // be safely called on `Buffer`s created by *this* `proc_macro`. - fn to_vec<T: Copy>(b: Buffer<T>) -> Vec<T> { - unsafe { - let Buffer { data, len, capacity, .. } = b; - mem::forget(b); - Vec::from_raw_parts(data, len, capacity) - } - } - - extern "C" fn reserve<T: Copy>(b: Buffer<T>, additional: usize) -> Buffer<T> { - let mut v = to_vec(b); - v.reserve(additional); - Buffer::from(v) - } - - extern "C" fn drop<T: Copy>(b: Buffer<T>) { - mem::drop(to_vec(b)); - } - - Buffer { data, len, capacity, reserve, drop } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/client.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/client.rs deleted file mode 100644 index e78842f5c37..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/client.rs +++ /dev/null @@ -1,485 +0,0 @@ -//! Client-side types. - -use super::*; - -macro_rules! define_handles { - ( - 'owned: $($oty:ident,)* - 'interned: $($ity:ident,)* - ) => { - #[repr(C)] - #[allow(non_snake_case)] - pub struct HandleCounters { - $($oty: AtomicUsize,)* - $($ity: AtomicUsize,)* - } - - impl HandleCounters { - // FIXME(eddyb) use a reference to the `static COUNTERS`, instead of - // a wrapper `fn` pointer, once `const fn` can reference `static`s. - extern "C" fn get() -> &'static Self { - static COUNTERS: HandleCounters = HandleCounters { - $($oty: AtomicUsize::new(1),)* - $($ity: AtomicUsize::new(1),)* - }; - &COUNTERS - } - } - - // FIXME(eddyb) generate the definition of `HandleStore` in `server.rs`. - #[repr(C)] - #[allow(non_snake_case)] - pub(super) struct HandleStore<S: server::Types> { - $($oty: handle::OwnedStore<S::$oty>,)* - $($ity: handle::InternedStore<S::$ity>,)* - } - - impl<S: server::Types> HandleStore<S> { - pub(super) fn new(handle_counters: &'static HandleCounters) -> Self { - HandleStore { - $($oty: handle::OwnedStore::new(&handle_counters.$oty),)* - $($ity: handle::InternedStore::new(&handle_counters.$ity),)* - } - } - } - - $( - #[repr(C)] - pub(crate) struct $oty(handle::Handle); - - // Forward `Drop::drop` to the inherent `drop` method. - impl Drop for $oty { - fn drop(&mut self) { - $oty(self.0).drop(); - } - } - - impl<S> Encode<S> for $oty { - fn encode(self, w: &mut Writer, s: &mut S) { - let handle = self.0; - mem::forget(self); - handle.encode(w, s); - } - } - - impl<S: server::Types> DecodeMut<'_, '_, HandleStore<server::MarkedTypes<S>>> - for Marked<S::$oty, $oty> - { - fn decode(r: &mut Reader<'_>, s: &mut HandleStore<server::MarkedTypes<S>>) -> Self { - s.$oty.take(handle::Handle::decode(r, &mut ())) - } - } - - impl<S> Encode<S> for &$oty { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - } - } - - impl<'s, S: server::Types> Decode<'_, 's, HandleStore<server::MarkedTypes<S>>> - for &'s Marked<S::$oty, $oty> - { - fn decode(r: &mut Reader<'_>, s: &'s HandleStore<server::MarkedTypes<S>>) -> Self { - &s.$oty[handle::Handle::decode(r, &mut ())] - } - } - - impl<S> Encode<S> for &mut $oty { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - } - } - - impl<'s, S: server::Types> DecodeMut<'_, 's, HandleStore<server::MarkedTypes<S>>> - for &'s mut Marked<S::$oty, $oty> - { - fn decode( - r: &mut Reader<'_>, - s: &'s mut HandleStore<server::MarkedTypes<S>> - ) -> Self { - &mut s.$oty[handle::Handle::decode(r, &mut ())] - } - } - - impl<S: server::Types> Encode<HandleStore<server::MarkedTypes<S>>> - for Marked<S::$oty, $oty> - { - fn encode(self, w: &mut Writer, s: &mut HandleStore<server::MarkedTypes<S>>) { - s.$oty.alloc(self).encode(w, s); - } - } - - impl<S> DecodeMut<'_, '_, S> for $oty { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - $oty(handle::Handle::decode(r, s)) - } - } - )* - - $( - #[repr(C)] - #[derive(Copy, Clone, PartialEq, Eq, Hash)] - pub(crate) struct $ity(handle::Handle); - - impl<S> Encode<S> for $ity { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - } - } - - impl<S: server::Types> DecodeMut<'_, '_, HandleStore<server::MarkedTypes<S>>> - for Marked<S::$ity, $ity> - { - fn decode(r: &mut Reader<'_>, s: &mut HandleStore<server::MarkedTypes<S>>) -> Self { - s.$ity.copy(handle::Handle::decode(r, &mut ())) - } - } - - impl<S: server::Types> Encode<HandleStore<server::MarkedTypes<S>>> - for Marked<S::$ity, $ity> - { - fn encode(self, w: &mut Writer, s: &mut HandleStore<server::MarkedTypes<S>>) { - s.$ity.alloc(self).encode(w, s); - } - } - - impl<S> DecodeMut<'_, '_, S> for $ity { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - $ity(handle::Handle::decode(r, s)) - } - } - )* - } -} -define_handles! { - 'owned: - FreeFunctions, - TokenStream, - TokenStreamBuilder, - TokenStreamIter, - Group, - Literal, - SourceFile, - MultiSpan, - Diagnostic, - - 'interned: - Punct, - Ident, - Span, -} - -// FIXME(eddyb) generate these impls by pattern-matching on the -// names of methods - also could use the presence of `fn drop` -// to distinguish between 'owned and 'interned, above. -// Alternatively, special 'modes" could be listed of types in with_api -// instead of pattern matching on methods, here and in server decl. - -impl Clone for TokenStream { - fn clone(&self) -> Self { - self.clone() - } -} - -impl Clone for TokenStreamIter { - fn clone(&self) -> Self { - self.clone() - } -} - -impl Clone for Group { - fn clone(&self) -> Self { - self.clone() - } -} - -impl Clone for Literal { - fn clone(&self) -> Self { - self.clone() - } -} - -impl fmt::Debug for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Literal") - // format the kind without quotes, as in `kind: Float` - .field("kind", &format_args!("{}", &self.debug_kind())) - .field("symbol", &self.symbol()) - // format `Some("...")` on one line even in {:#?} mode - .field("suffix", &format_args!("{:?}", &self.suffix())) - .field("span", &self.span()) - .finish() - } -} - -impl Clone for SourceFile { - fn clone(&self) -> Self { - self.clone() - } -} - -impl fmt::Debug for Span { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.debug()) - } -} - -macro_rules! define_client_side { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)*;)* - }),* $(,)?) => { - $(impl $name { - $(pub(crate) fn $method($($arg: $arg_ty),*) $(-> $ret_ty)* { - Bridge::with(|bridge| { - let mut b = bridge.cached_buffer.take(); - - b.clear(); - api_tags::Method::$name(api_tags::$name::$method).encode(&mut b, &mut ()); - reverse_encode!(b; $($arg),*); - - b = bridge.dispatch.call(b); - - let r = Result::<_, PanicMessage>::decode(&mut &b[..], &mut ()); - - bridge.cached_buffer = b; - - r.unwrap_or_else(|e| panic::resume_unwind(e.into())) - }) - })* - })* - } -} -with_api!(self, self, define_client_side); - -enum BridgeState<'a> { - /// No server is currently connected to this client. - NotConnected, - - /// A server is connected and available for requests. - Connected(Bridge<'a>), - - /// Access to the bridge is being exclusively acquired - /// (e.g., during `BridgeState::with`). - InUse, -} - -enum BridgeStateL {} - -impl<'a> scoped_cell::ApplyL<'a> for BridgeStateL { - type Out = BridgeState<'a>; -} - -thread_local! { - static BRIDGE_STATE: scoped_cell::ScopedCell<BridgeStateL> = - scoped_cell::ScopedCell::new(BridgeState::NotConnected); -} - -impl BridgeState<'_> { - /// Take exclusive control of the thread-local - /// `BridgeState`, and pass it to `f`, mutably. - /// The state will be restored after `f` exits, even - /// by panic, including modifications made to it by `f`. - /// - /// N.B., while `f` is running, the thread-local state - /// is `BridgeState::InUse`. - fn with<R>(f: impl FnOnce(&mut BridgeState<'_>) -> R) -> R { - BRIDGE_STATE.with(|state| { - state.replace(BridgeState::InUse, |mut state| { - // FIXME(#52812) pass `f` directly to `replace` when `RefMutL` is gone - f(&mut state) - }) - }) - } -} - -impl Bridge<'_> { - pub(crate) fn is_available() -> bool { - BridgeState::with(|state| match state { - BridgeState::Connected(_) | BridgeState::InUse => true, - BridgeState::NotConnected => false, - }) - } - - fn enter<R>(self, f: impl FnOnce() -> R) -> R { - let force_show_panics = self.force_show_panics; - // Hide the default panic output within `proc_macro` expansions. - // NB. the server can't do this because it may use a different libstd. - static HIDE_PANICS_DURING_EXPANSION: Once = Once::new(); - HIDE_PANICS_DURING_EXPANSION.call_once(|| { - let prev = panic::take_hook(); - panic::set_hook(Box::new(move |info| { - let show = BridgeState::with(|state| match state { - BridgeState::NotConnected => true, - BridgeState::Connected(_) | BridgeState::InUse => force_show_panics, - }); - if show { - prev(info) - } - })); - }); - - BRIDGE_STATE.with(|state| state.set(BridgeState::Connected(self), f)) - } - - fn with<R>(f: impl FnOnce(&mut Bridge<'_>) -> R) -> R { - BridgeState::with(|state| match state { - BridgeState::NotConnected => { - panic!("procedural macro API is used outside of a procedural macro"); - } - BridgeState::InUse => { - panic!("procedural macro API is used while it's already in use"); - } - BridgeState::Connected(bridge) => f(bridge), - }) - } -} - -/// A client-side "global object" (usually a function pointer), -/// which may be using a different `proc_macro` from the one -/// used by the server, but can be interacted with compatibly. -/// -/// N.B., `F` must have FFI-friendly memory layout (e.g., a pointer). -/// The call ABI of function pointers used for `F` doesn't -/// need to match between server and client, since it's only -/// passed between them and (eventually) called by the client. -#[repr(C)] -#[derive(Copy, Clone)] -pub struct Client<F> { - // FIXME(eddyb) use a reference to the `static COUNTERS`, instead of - // a wrapper `fn` pointer, once `const fn` can reference `static`s. - pub(super) get_handle_counters: extern "C" fn() -> &'static HandleCounters, - pub(super) run: extern "C" fn(Bridge<'_>, F) -> Buffer<u8>, - pub(super) f: F, -} - -/// Client-side helper for handling client panics, entering the bridge, -/// deserializing input and serializing output. -// FIXME(eddyb) maybe replace `Bridge::enter` with this? -fn run_client<A: for<'a, 's> DecodeMut<'a, 's, ()>, R: Encode<()>>( - mut bridge: Bridge<'_>, - f: impl FnOnce(A) -> R, -) -> Buffer<u8> { - // The initial `cached_buffer` contains the input. - let mut b = bridge.cached_buffer.take(); - - panic::catch_unwind(panic::AssertUnwindSafe(|| { - bridge.enter(|| { - let reader = &mut &b[..]; - let input = A::decode(reader, &mut ()); - - // Put the `cached_buffer` back in the `Bridge`, for requests. - Bridge::with(|bridge| bridge.cached_buffer = b.take()); - - let output = f(input); - - // Take the `cached_buffer` back out, for the output value. - b = Bridge::with(|bridge| bridge.cached_buffer.take()); - - // HACK(eddyb) Separate encoding a success value (`Ok(output)`) - // from encoding a panic (`Err(e: PanicMessage)`) to avoid - // having handles outside the `bridge.enter(|| ...)` scope, and - // to catch panics that could happen while encoding the success. - // - // Note that panics should be impossible beyond this point, but - // this is defensively trying to avoid any accidental panicking - // reaching the `extern "C"` (which should `abort` but might not - // at the moment, so this is also potentially preventing UB). - b.clear(); - Ok::<_, ()>(output).encode(&mut b, &mut ()); - }) - })) - .map_err(PanicMessage::from) - .unwrap_or_else(|e| { - b.clear(); - Err::<(), _>(e).encode(&mut b, &mut ()); - }); - b -} - -impl Client<fn(super::super::TokenStream) -> super::super::TokenStream> { - pub fn expand1(f: fn(super::super::TokenStream) -> super::super::TokenStream) -> Self { - extern "C" fn run( - bridge: Bridge<'_>, - f: impl FnOnce(super::super::TokenStream) -> super::super::TokenStream, - ) -> Buffer<u8> { - run_client(bridge, |input| f(super::super::TokenStream(input)).0) - } - Client { get_handle_counters: HandleCounters::get, run, f } - } -} - -impl Client<fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream> { - pub fn expand2( - f: fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream, - ) -> Self { - extern "C" fn run( - bridge: Bridge<'_>, - f: impl FnOnce( - super::super::TokenStream, - super::super::TokenStream, - ) -> super::super::TokenStream, - ) -> Buffer<u8> { - run_client(bridge, |(input, input2)| { - f(super::super::TokenStream(input), super::super::TokenStream(input2)).0 - }) - } - Client { get_handle_counters: HandleCounters::get, run, f } - } -} - -#[repr(C)] -#[derive(Copy, Clone)] -pub enum ProcMacro { - CustomDerive { - trait_name: &'static str, - attributes: &'static [&'static str], - client: Client<fn(super::super::TokenStream) -> super::super::TokenStream>, - }, - - Attr { - name: &'static str, - client: Client< - fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream, - >, - }, - - Bang { - name: &'static str, - client: Client<fn(super::super::TokenStream) -> super::super::TokenStream>, - }, -} - -impl ProcMacro { - pub fn name(&self) -> &'static str { - match self { - ProcMacro::CustomDerive { trait_name, .. } => trait_name, - ProcMacro::Attr { name, .. } => name, - ProcMacro::Bang { name, .. } => name, - } - } - - pub fn custom_derive( - trait_name: &'static str, - attributes: &'static [&'static str], - expand: fn(super::super::TokenStream) -> super::super::TokenStream, - ) -> Self { - ProcMacro::CustomDerive { trait_name, attributes, client: Client::expand1(expand) } - } - - pub fn attr( - name: &'static str, - expand: fn( - super::super::TokenStream, - super::super::TokenStream, - ) -> super::super::TokenStream, - ) -> Self { - ProcMacro::Attr { name, client: Client::expand2(expand) } - } - - pub fn bang( - name: &'static str, - expand: fn(super::super::TokenStream) -> super::super::TokenStream, - ) -> Self { - ProcMacro::Bang { name, client: Client::expand1(expand) } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/closure.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/closure.rs deleted file mode 100644 index 5be71cc3d70..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/closure.rs +++ /dev/null @@ -1,24 +0,0 @@ -//! Closure type (equivalent to `&mut dyn FnMut(A) -> R`) that's `repr(C)`. - -#[repr(C)] -pub struct Closure<'a, A, R> { - call: unsafe extern "C" fn(&mut Env, A) -> R, - env: &'a mut Env, -} - -struct Env; - -impl<'a, A, R, F: FnMut(A) -> R> From<&'a mut F> for Closure<'a, A, R> { - fn from(f: &'a mut F) -> Self { - unsafe extern "C" fn call<A, R, F: FnMut(A) -> R>(env: &mut Env, arg: A) -> R { - (*(env as *mut _ as *mut F))(arg) - } - Closure { call: call::<A, R, F>, env: unsafe { &mut *(f as *mut _ as *mut Env) } } - } -} - -impl<'a, A, R> Closure<'a, A, R> { - pub fn call(&mut self, arg: A) -> R { - unsafe { (self.call)(self.env, arg) } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/handle.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/handle.rs deleted file mode 100644 index bcbb8681247..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/handle.rs +++ /dev/null @@ -1,70 +0,0 @@ -//! Server-side handles and storage for per-handle data. - -use std::collections::{BTreeMap, HashMap}; -use std::hash::Hash; -use std::num::NonZeroU32; -use std::ops::{Index, IndexMut}; -use std::sync::atomic::{AtomicUsize, Ordering}; - -pub(super) type Handle = NonZeroU32; - -pub(super) struct OwnedStore<T: 'static> { - counter: &'static AtomicUsize, - data: BTreeMap<Handle, T>, -} - -impl<T> OwnedStore<T> { - pub(super) fn new(counter: &'static AtomicUsize) -> Self { - // Ensure the handle counter isn't 0, which would panic later, - // when `NonZeroU32::new` (aka `Handle::new`) is called in `alloc`. - assert_ne!(counter.load(Ordering::SeqCst), 0); - - OwnedStore { counter, data: BTreeMap::new() } - } -} - -impl<T> OwnedStore<T> { - pub(super) fn alloc(&mut self, x: T) -> Handle { - let counter = self.counter.fetch_add(1, Ordering::SeqCst); - let handle = Handle::new(counter as u32).expect("`proc_macro` handle counter overflowed"); - assert!(self.data.insert(handle, x).is_none()); - handle - } - - pub(super) fn take(&mut self, h: Handle) -> T { - self.data.remove(&h).expect("use-after-free in `proc_macro` handle") - } -} - -impl<T> Index<Handle> for OwnedStore<T> { - type Output = T; - fn index(&self, h: Handle) -> &T { - self.data.get(&h).expect("use-after-free in `proc_macro` handle") - } -} - -impl<T> IndexMut<Handle> for OwnedStore<T> { - fn index_mut(&mut self, h: Handle) -> &mut T { - self.data.get_mut(&h).expect("use-after-free in `proc_macro` handle") - } -} - -pub(super) struct InternedStore<T: 'static> { - owned: OwnedStore<T>, - interner: HashMap<T, Handle>, -} - -impl<T: Copy + Eq + Hash> InternedStore<T> { - pub(super) fn new(counter: &'static AtomicUsize) -> Self { - InternedStore { owned: OwnedStore::new(counter), interner: HashMap::new() } - } - - pub(super) fn alloc(&mut self, x: T) -> Handle { - let owned = &mut self.owned; - *self.interner.entry(x).or_insert_with(|| owned.alloc(x)) - } - - pub(super) fn copy(&mut self, h: Handle) -> T { - self.owned[h] - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/mod.rs deleted file mode 100644 index b7968c529c3..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/mod.rs +++ /dev/null @@ -1,429 +0,0 @@ -//! Internal interface for communicating between a `proc_macro` client -//! (a proc macro crate) and a `proc_macro` server (a compiler front-end). -//! -//! Serialization (with C ABI buffers) and unique integer handles are employed -//! to allow safely interfacing between two copies of `proc_macro` built -//! (from the same source) by different compilers with potentially mismatching -//! Rust ABIs (e.g., stage0/bin/rustc vs stage1/bin/rustc during bootstrap). - -#![deny(unsafe_code)] - -pub use super::{Delimiter, Level, LineColumn, Spacing}; -use std::fmt; -use std::hash::Hash; -use std::marker; -use std::mem; -use std::ops::Bound; -use std::panic; -use std::sync::atomic::AtomicUsize; -use std::sync::Once; -use std::thread; - -/// Higher-order macro describing the server RPC API, allowing automatic -/// generation of type-safe Rust APIs, both client-side and server-side. -/// -/// `with_api!(MySelf, my_self, my_macro)` expands to: -/// ```rust,ignore (pseudo-code) -/// my_macro! { -/// // ... -/// Literal { -/// // ... -/// fn character(ch: char) -> MySelf::Literal; -/// // ... -/// fn span(my_self: &MySelf::Literal) -> MySelf::Span; -/// fn set_span(my_self: &mut MySelf::Literal, span: MySelf::Span); -/// }, -/// // ... -/// } -/// ``` -/// -/// The first two arguments serve to customize the arguments names -/// and argument/return types, to enable several different usecases: -/// -/// If `my_self` is just `self`, then each `fn` signature can be used -/// as-is for a method. If it's anything else (`self_` in practice), -/// then the signatures don't have a special `self` argument, and -/// can, therefore, have a different one introduced. -/// -/// If `MySelf` is just `Self`, then the types are only valid inside -/// a trait or a trait impl, where the trait has associated types -/// for each of the API types. If non-associated types are desired, -/// a module name (`self` in practice) can be used instead of `Self`. -macro_rules! with_api { - ($S:ident, $self:ident, $m:ident) => { - $m! { - FreeFunctions { - fn drop($self: $S::FreeFunctions); - fn track_env_var(var: &str, value: Option<&str>); - fn track_path(path: &str); - }, - TokenStream { - fn drop($self: $S::TokenStream); - fn clone($self: &$S::TokenStream) -> $S::TokenStream; - fn new() -> $S::TokenStream; - fn is_empty($self: &$S::TokenStream) -> bool; - fn expand_expr($self: &$S::TokenStream) -> Result<$S::TokenStream, ()>; - fn from_str(src: &str) -> $S::TokenStream; - fn to_string($self: &$S::TokenStream) -> String; - fn from_token_tree( - tree: TokenTree<$S::Group, $S::Punct, $S::Ident, $S::Literal>, - ) -> $S::TokenStream; - fn into_iter($self: $S::TokenStream) -> $S::TokenStreamIter; - }, - TokenStreamBuilder { - fn drop($self: $S::TokenStreamBuilder); - fn new() -> $S::TokenStreamBuilder; - fn push($self: &mut $S::TokenStreamBuilder, stream: $S::TokenStream); - fn build($self: $S::TokenStreamBuilder) -> $S::TokenStream; - }, - TokenStreamIter { - fn drop($self: $S::TokenStreamIter); - fn clone($self: &$S::TokenStreamIter) -> $S::TokenStreamIter; - fn next( - $self: &mut $S::TokenStreamIter, - ) -> Option<TokenTree<$S::Group, $S::Punct, $S::Ident, $S::Literal>>; - }, - Group { - fn drop($self: $S::Group); - fn clone($self: &$S::Group) -> $S::Group; - fn new(delimiter: Delimiter, stream: $S::TokenStream) -> $S::Group; - fn delimiter($self: &$S::Group) -> Delimiter; - fn stream($self: &$S::Group) -> $S::TokenStream; - fn span($self: &$S::Group) -> $S::Span; - fn span_open($self: &$S::Group) -> $S::Span; - fn span_close($self: &$S::Group) -> $S::Span; - fn set_span($self: &mut $S::Group, span: $S::Span); - }, - Punct { - fn new(ch: char, spacing: Spacing) -> $S::Punct; - fn as_char($self: $S::Punct) -> char; - fn spacing($self: $S::Punct) -> Spacing; - fn span($self: $S::Punct) -> $S::Span; - fn with_span($self: $S::Punct, span: $S::Span) -> $S::Punct; - }, - Ident { - fn new(string: &str, span: $S::Span, is_raw: bool) -> $S::Ident; - fn span($self: $S::Ident) -> $S::Span; - fn with_span($self: $S::Ident, span: $S::Span) -> $S::Ident; - }, - Literal { - fn drop($self: $S::Literal); - fn clone($self: &$S::Literal) -> $S::Literal; - fn from_str(s: &str) -> Result<$S::Literal, ()>; - fn to_string($self: &$S::Literal) -> String; - fn debug_kind($self: &$S::Literal) -> String; - fn symbol($self: &$S::Literal) -> String; - fn suffix($self: &$S::Literal) -> Option<String>; - fn integer(n: &str) -> $S::Literal; - fn typed_integer(n: &str, kind: &str) -> $S::Literal; - fn float(n: &str) -> $S::Literal; - fn f32(n: &str) -> $S::Literal; - fn f64(n: &str) -> $S::Literal; - fn string(string: &str) -> $S::Literal; - fn character(ch: char) -> $S::Literal; - fn byte_string(bytes: &[u8]) -> $S::Literal; - fn span($self: &$S::Literal) -> $S::Span; - fn set_span($self: &mut $S::Literal, span: $S::Span); - fn subspan( - $self: &$S::Literal, - start: Bound<usize>, - end: Bound<usize>, - ) -> Option<$S::Span>; - }, - SourceFile { - fn drop($self: $S::SourceFile); - fn clone($self: &$S::SourceFile) -> $S::SourceFile; - fn eq($self: &$S::SourceFile, other: &$S::SourceFile) -> bool; - fn path($self: &$S::SourceFile) -> String; - fn is_real($self: &$S::SourceFile) -> bool; - }, - MultiSpan { - fn drop($self: $S::MultiSpan); - fn new() -> $S::MultiSpan; - fn push($self: &mut $S::MultiSpan, span: $S::Span); - }, - Diagnostic { - fn drop($self: $S::Diagnostic); - fn new(level: Level, msg: &str, span: $S::MultiSpan) -> $S::Diagnostic; - fn sub( - $self: &mut $S::Diagnostic, - level: Level, - msg: &str, - span: $S::MultiSpan, - ); - fn emit($self: $S::Diagnostic); - }, - Span { - fn debug($self: $S::Span) -> String; - fn def_site() -> $S::Span; - fn call_site() -> $S::Span; - fn mixed_site() -> $S::Span; - fn source_file($self: $S::Span) -> $S::SourceFile; - fn parent($self: $S::Span) -> Option<$S::Span>; - fn source($self: $S::Span) -> $S::Span; - fn start($self: $S::Span) -> LineColumn; - fn end($self: $S::Span) -> LineColumn; - fn before($self: $S::Span) -> $S::Span; - fn after($self: $S::Span) -> $S::Span; - fn join($self: $S::Span, other: $S::Span) -> Option<$S::Span>; - fn resolved_at($self: $S::Span, at: $S::Span) -> $S::Span; - fn source_text($self: $S::Span) -> Option<String>; - fn save_span($self: $S::Span) -> usize; - fn recover_proc_macro_span(id: usize) -> $S::Span; - }, - } - }; -} - -// FIXME(eddyb) this calls `encode` for each argument, but in reverse, -// to avoid borrow conflicts from borrows started by `&mut` arguments. -macro_rules! reverse_encode { - ($writer:ident;) => {}; - ($writer:ident; $first:ident $(, $rest:ident)*) => { - reverse_encode!($writer; $($rest),*); - $first.encode(&mut $writer, &mut ()); - } -} - -// FIXME(eddyb) this calls `decode` for each argument, but in reverse, -// to avoid borrow conflicts from borrows started by `&mut` arguments. -macro_rules! reverse_decode { - ($reader:ident, $s:ident;) => {}; - ($reader:ident, $s:ident; $first:ident: $first_ty:ty $(, $rest:ident: $rest_ty:ty)*) => { - reverse_decode!($reader, $s; $($rest: $rest_ty),*); - let $first = <$first_ty>::decode(&mut $reader, $s); - } -} - -#[allow(unsafe_code)] -mod buffer; -#[forbid(unsafe_code)] -pub mod client; -#[allow(unsafe_code)] -mod closure; -#[forbid(unsafe_code)] -mod handle; -#[macro_use] -#[forbid(unsafe_code)] -mod rpc; -#[allow(unsafe_code)] -mod scoped_cell; -#[forbid(unsafe_code)] -pub mod server; - -use buffer::Buffer; -pub use rpc::PanicMessage; -use rpc::{Decode, DecodeMut, Encode, Reader, Writer}; - -/// An active connection between a server and a client. -/// The server creates the bridge (`Bridge::run_server` in `server.rs`), -/// then passes it to the client through the function pointer in the `run` -/// field of `client::Client`. The client holds its copy of the `Bridge` -/// in TLS during its execution (`Bridge::{enter, with}` in `client.rs`). -#[repr(C)] -pub struct Bridge<'a> { - /// Reusable buffer (only `clear`-ed, never shrunk), primarily - /// used for making requests, but also for passing input to client. - cached_buffer: Buffer<u8>, - - /// Server-side function that the client uses to make requests. - dispatch: closure::Closure<'a, Buffer<u8>, Buffer<u8>>, - - /// If 'true', always invoke the default panic hook - force_show_panics: bool, -} - -#[forbid(unsafe_code)] -#[allow(non_camel_case_types)] -mod api_tags { - use super::rpc::{DecodeMut, Encode, Reader, Writer}; - - macro_rules! declare_tags { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)*;)* - }),* $(,)?) => { - $( - pub(super) enum $name { - $($method),* - } - rpc_encode_decode!(enum $name { $($method),* }); - )* - - - pub(super) enum Method { - $($name($name)),* - } - rpc_encode_decode!(enum Method { $($name(m)),* }); - } - } - with_api!(self, self, declare_tags); -} - -/// Helper to wrap associated types to allow trait impl dispatch. -/// That is, normally a pair of impls for `T::Foo` and `T::Bar` -/// can overlap, but if the impls are, instead, on types like -/// `Marked<T::Foo, Foo>` and `Marked<T::Bar, Bar>`, they can't. -trait Mark { - type Unmarked; - fn mark(unmarked: Self::Unmarked) -> Self; -} - -/// Unwrap types wrapped by `Mark::mark` (see `Mark` for details). -trait Unmark { - type Unmarked; - fn unmark(self) -> Self::Unmarked; -} - -#[derive(Copy, Clone, PartialEq, Eq, Hash)] -struct Marked<T, M> { - value: T, - _marker: marker::PhantomData<M>, -} - -impl<T, M> Mark for Marked<T, M> { - type Unmarked = T; - fn mark(unmarked: Self::Unmarked) -> Self { - Marked { value: unmarked, _marker: marker::PhantomData } - } -} -impl<T, M> Unmark for Marked<T, M> { - type Unmarked = T; - fn unmark(self) -> Self::Unmarked { - self.value - } -} -impl<'a, T, M> Unmark for &'a Marked<T, M> { - type Unmarked = &'a T; - fn unmark(self) -> Self::Unmarked { - &self.value - } -} -impl<'a, T, M> Unmark for &'a mut Marked<T, M> { - type Unmarked = &'a mut T; - fn unmark(self) -> Self::Unmarked { - &mut self.value - } -} - -impl<T: Mark> Mark for Option<T> { - type Unmarked = Option<T::Unmarked>; - fn mark(unmarked: Self::Unmarked) -> Self { - unmarked.map(T::mark) - } -} -impl<T: Unmark> Unmark for Option<T> { - type Unmarked = Option<T::Unmarked>; - fn unmark(self) -> Self::Unmarked { - self.map(T::unmark) - } -} - -impl<T: Mark, E: Mark> Mark for Result<T, E> { - type Unmarked = Result<T::Unmarked, E::Unmarked>; - fn mark(unmarked: Self::Unmarked) -> Self { - unmarked.map(T::mark).map_err(E::mark) - } -} -impl<T: Unmark, E: Unmark> Unmark for Result<T, E> { - type Unmarked = Result<T::Unmarked, E::Unmarked>; - fn unmark(self) -> Self::Unmarked { - self.map(T::unmark).map_err(E::unmark) - } -} - -macro_rules! mark_noop { - ($($ty:ty),* $(,)?) => { - $( - impl Mark for $ty { - type Unmarked = Self; - fn mark(unmarked: Self::Unmarked) -> Self { - unmarked - } - } - impl Unmark for $ty { - type Unmarked = Self; - fn unmark(self) -> Self::Unmarked { - self - } - } - )* - } -} -mark_noop! { - (), - bool, - char, - &'_ [u8], - &'_ str, - String, - usize, - Delimiter, - Level, - LineColumn, - Spacing, - Bound<usize>, -} - -rpc_encode_decode!( - enum Delimiter { - Parenthesis, - Brace, - Bracket, - None, - } -); -rpc_encode_decode!( - enum Level { - Error, - Warning, - Note, - Help, - } -); -rpc_encode_decode!(struct LineColumn { line, column }); -rpc_encode_decode!( - enum Spacing { - Alone, - Joint, - } -); - -#[derive(Clone)] -pub enum TokenTree<G, P, I, L> { - Group(G), - Punct(P), - Ident(I), - Literal(L), -} - -impl<G: Mark, P: Mark, I: Mark, L: Mark> Mark for TokenTree<G, P, I, L> { - type Unmarked = TokenTree<G::Unmarked, P::Unmarked, I::Unmarked, L::Unmarked>; - fn mark(unmarked: Self::Unmarked) -> Self { - match unmarked { - TokenTree::Group(tt) => TokenTree::Group(G::mark(tt)), - TokenTree::Punct(tt) => TokenTree::Punct(P::mark(tt)), - TokenTree::Ident(tt) => TokenTree::Ident(I::mark(tt)), - TokenTree::Literal(tt) => TokenTree::Literal(L::mark(tt)), - } - } -} -impl<G: Unmark, P: Unmark, I: Unmark, L: Unmark> Unmark for TokenTree<G, P, I, L> { - type Unmarked = TokenTree<G::Unmarked, P::Unmarked, I::Unmarked, L::Unmarked>; - fn unmark(self) -> Self::Unmarked { - match self { - TokenTree::Group(tt) => TokenTree::Group(tt.unmark()), - TokenTree::Punct(tt) => TokenTree::Punct(tt.unmark()), - TokenTree::Ident(tt) => TokenTree::Ident(tt.unmark()), - TokenTree::Literal(tt) => TokenTree::Literal(tt.unmark()), - } - } -} - -rpc_encode_decode!( - enum TokenTree<G, P, I, L> { - Group(tt), - Punct(tt), - Ident(tt), - Literal(tt), - } -); diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/rpc.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/rpc.rs deleted file mode 100644 index d50564d01a5..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/rpc.rs +++ /dev/null @@ -1,305 +0,0 @@ -//! Serialization for client-server communication. - -use std::any::Any; -use std::char; -use std::io::Write; -use std::num::NonZeroU32; -use std::ops::Bound; -use std::str; - -pub(super) type Writer = super::buffer::Buffer<u8>; - -pub(super) trait Encode<S>: Sized { - fn encode(self, w: &mut Writer, s: &mut S); -} - -pub(super) type Reader<'a> = &'a [u8]; - -pub(super) trait Decode<'a, 's, S>: Sized { - fn decode(r: &mut Reader<'a>, s: &'s S) -> Self; -} - -pub(super) trait DecodeMut<'a, 's, S>: Sized { - fn decode(r: &mut Reader<'a>, s: &'s mut S) -> Self; -} - -macro_rules! rpc_encode_decode { - (le $ty:ty) => { - impl<S> Encode<S> for $ty { - fn encode(self, w: &mut Writer, _: &mut S) { - w.extend_from_array(&self.to_le_bytes()); - } - } - - impl<S> DecodeMut<'_, '_, S> for $ty { - fn decode(r: &mut Reader<'_>, _: &mut S) -> Self { - const N: usize = ::std::mem::size_of::<$ty>(); - - let mut bytes = [0; N]; - bytes.copy_from_slice(&r[..N]); - *r = &r[N..]; - - Self::from_le_bytes(bytes) - } - } - }; - (struct $name:ident { $($field:ident),* $(,)? }) => { - impl<S> Encode<S> for $name { - fn encode(self, w: &mut Writer, s: &mut S) { - $(self.$field.encode(w, s);)* - } - } - - impl<S> DecodeMut<'_, '_, S> for $name { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - $name { - $($field: DecodeMut::decode(r, s)),* - } - } - } - }; - (enum $name:ident $(<$($T:ident),+>)? { $($variant:ident $(($field:ident))*),* $(,)? }) => { - impl<S, $($($T: Encode<S>),+)?> Encode<S> for $name $(<$($T),+>)? { - fn encode(self, w: &mut Writer, s: &mut S) { - // HACK(eddyb): `Tag` enum duplicated between the - // two impls as there's no other place to stash it. - #[allow(non_upper_case_globals)] - mod tag { - #[repr(u8)] enum Tag { $($variant),* } - - $(pub const $variant: u8 = Tag::$variant as u8;)* - } - - match self { - $($name::$variant $(($field))* => { - tag::$variant.encode(w, s); - $($field.encode(w, s);)* - })* - } - } - } - - impl<'a, S, $($($T: for<'s> DecodeMut<'a, 's, S>),+)?> DecodeMut<'a, '_, S> - for $name $(<$($T),+>)? - { - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - // HACK(eddyb): `Tag` enum duplicated between the - // two impls as there's no other place to stash it. - #[allow(non_upper_case_globals)] - mod tag { - #[repr(u8)] enum Tag { $($variant),* } - - $(pub const $variant: u8 = Tag::$variant as u8;)* - } - - match u8::decode(r, s) { - $(tag::$variant => { - $(let $field = DecodeMut::decode(r, s);)* - $name::$variant $(($field))* - })* - _ => unreachable!(), - } - } - } - } -} - -impl<S> Encode<S> for () { - fn encode(self, _: &mut Writer, _: &mut S) {} -} - -impl<S> DecodeMut<'_, '_, S> for () { - fn decode(_: &mut Reader<'_>, _: &mut S) -> Self {} -} - -impl<S> Encode<S> for u8 { - fn encode(self, w: &mut Writer, _: &mut S) { - w.push(self); - } -} - -impl<S> DecodeMut<'_, '_, S> for u8 { - fn decode(r: &mut Reader<'_>, _: &mut S) -> Self { - let x = r[0]; - *r = &r[1..]; - x - } -} - -rpc_encode_decode!(le u32); -rpc_encode_decode!(le usize); - -impl<S> Encode<S> for bool { - fn encode(self, w: &mut Writer, s: &mut S) { - (self as u8).encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for bool { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - match u8::decode(r, s) { - 0 => false, - 1 => true, - _ => unreachable!(), - } - } -} - -impl<S> Encode<S> for char { - fn encode(self, w: &mut Writer, s: &mut S) { - (self as u32).encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for char { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - char::from_u32(u32::decode(r, s)).unwrap() - } -} - -impl<S> Encode<S> for NonZeroU32 { - fn encode(self, w: &mut Writer, s: &mut S) { - self.get().encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for NonZeroU32 { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - Self::new(u32::decode(r, s)).unwrap() - } -} - -impl<S, A: Encode<S>, B: Encode<S>> Encode<S> for (A, B) { - fn encode(self, w: &mut Writer, s: &mut S) { - self.0.encode(w, s); - self.1.encode(w, s); - } -} - -impl<'a, S, A: for<'s> DecodeMut<'a, 's, S>, B: for<'s> DecodeMut<'a, 's, S>> DecodeMut<'a, '_, S> - for (A, B) -{ - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - (DecodeMut::decode(r, s), DecodeMut::decode(r, s)) - } -} - -rpc_encode_decode!( - enum Bound<T> { - Included(x), - Excluded(x), - Unbounded, - } -); - -rpc_encode_decode!( - enum Option<T> { - None, - Some(x), - } -); - -rpc_encode_decode!( - enum Result<T, E> { - Ok(x), - Err(e), - } -); - -impl<S> Encode<S> for &[u8] { - fn encode(self, w: &mut Writer, s: &mut S) { - self.len().encode(w, s); - w.write_all(self).unwrap(); - } -} - -impl<'a, S> DecodeMut<'a, '_, S> for &'a [u8] { - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - let len = usize::decode(r, s); - let xs = &r[..len]; - *r = &r[len..]; - xs - } -} - -impl<S> Encode<S> for &str { - fn encode(self, w: &mut Writer, s: &mut S) { - self.as_bytes().encode(w, s); - } -} - -impl<'a, S> DecodeMut<'a, '_, S> for &'a str { - fn decode(r: &mut Reader<'a>, s: &mut S) -> Self { - str::from_utf8(<&[u8]>::decode(r, s)).unwrap() - } -} - -impl<S> Encode<S> for String { - fn encode(self, w: &mut Writer, s: &mut S) { - self[..].encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for String { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - <&str>::decode(r, s).to_string() - } -} - -/// Simplified version of panic payloads, ignoring -/// types other than `&'static str` and `String`. -pub enum PanicMessage { - StaticStr(&'static str), - String(String), - Unknown, -} - -impl From<Box<dyn Any + Send>> for PanicMessage { - fn from(payload: Box<dyn Any + Send + 'static>) -> Self { - if let Some(s) = payload.downcast_ref::<&'static str>() { - return PanicMessage::StaticStr(s); - } - if let Ok(s) = payload.downcast::<String>() { - return PanicMessage::String(*s); - } - PanicMessage::Unknown - } -} - -impl Into<Box<dyn Any + Send>> for PanicMessage { - fn into(self) -> Box<dyn Any + Send> { - match self { - PanicMessage::StaticStr(s) => Box::new(s), - PanicMessage::String(s) => Box::new(s), - PanicMessage::Unknown => { - struct UnknownPanicMessage; - Box::new(UnknownPanicMessage) - } - } - } -} - -impl PanicMessage { - pub fn as_str(&self) -> Option<&str> { - match self { - PanicMessage::StaticStr(s) => Some(s), - PanicMessage::String(s) => Some(s), - PanicMessage::Unknown => None, - } - } -} - -impl<S> Encode<S> for PanicMessage { - fn encode(self, w: &mut Writer, s: &mut S) { - self.as_str().encode(w, s); - } -} - -impl<S> DecodeMut<'_, '_, S> for PanicMessage { - fn decode(r: &mut Reader<'_>, s: &mut S) -> Self { - match Option::<String>::decode(r, s) { - Some(s) => PanicMessage::String(s), - None => PanicMessage::Unknown, - } - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/scoped_cell.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/scoped_cell.rs deleted file mode 100644 index b0c2e5b9c26..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/scoped_cell.rs +++ /dev/null @@ -1,81 +0,0 @@ -//! `Cell` variant for (scoped) existential lifetimes. - -use std::cell::Cell; -use std::mem; -use std::ops::{Deref, DerefMut}; - -/// Type lambda application, with a lifetime. -#[allow(unused_lifetimes)] -pub trait ApplyL<'a> { - type Out; -} - -/// Type lambda taking a lifetime, i.e., `Lifetime -> Type`. -pub trait LambdaL: for<'a> ApplyL<'a> {} - -impl<T: for<'a> ApplyL<'a>> LambdaL for T {} - -// HACK(eddyb) work around projection limitations with a newtype -// FIXME(#52812) replace with `&'a mut <T as ApplyL<'b>>::Out` -pub struct RefMutL<'a, 'b, T: LambdaL>(&'a mut <T as ApplyL<'b>>::Out); - -impl<'a, 'b, T: LambdaL> Deref for RefMutL<'a, 'b, T> { - type Target = <T as ApplyL<'b>>::Out; - fn deref(&self) -> &Self::Target { - self.0 - } -} - -impl<'a, 'b, T: LambdaL> DerefMut for RefMutL<'a, 'b, T> { - fn deref_mut(&mut self) -> &mut Self::Target { - self.0 - } -} - -pub struct ScopedCell<T: LambdaL>(Cell<<T as ApplyL<'static>>::Out>); - -impl<T: LambdaL> ScopedCell<T> { - pub fn new(value: <T as ApplyL<'static>>::Out) -> Self { - ScopedCell(Cell::new(value)) - } - - /// Sets the value in `self` to `replacement` while - /// running `f`, which gets the old value, mutably. - /// The old value will be restored after `f` exits, even - /// by panic, including modifications made to it by `f`. - pub fn replace<'a, R>( - &self, - replacement: <T as ApplyL<'a>>::Out, - f: impl for<'b, 'c> FnOnce(RefMutL<'b, 'c, T>) -> R, - ) -> R { - /// Wrapper that ensures that the cell always gets filled - /// (with the original state, optionally changed by `f`), - /// even if `f` had panicked. - struct PutBackOnDrop<'a, T: LambdaL> { - cell: &'a ScopedCell<T>, - value: Option<<T as ApplyL<'static>>::Out>, - } - - impl<'a, T: LambdaL> Drop for PutBackOnDrop<'a, T> { - fn drop(&mut self) { - self.cell.0.set(self.value.take().unwrap()); - } - } - - let mut put_back_on_drop = PutBackOnDrop { - cell: self, - value: Some(self.0.replace(unsafe { - let erased = mem::transmute_copy(&replacement); - mem::forget(replacement); - erased - })), - }; - - f(RefMutL(put_back_on_drop.value.as_mut().unwrap())) - } - - /// Sets the value in `self` to `value` while running `f`. - pub fn set<R>(&self, value: <T as ApplyL<'_>>::Out, f: impl FnOnce() -> R) -> R { - self.replace(value, |_| f()) - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/server.rs deleted file mode 100644 index 06a19791351..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/bridge/server.rs +++ /dev/null @@ -1,352 +0,0 @@ -//! Server-side traits. - -use super::*; - -// FIXME(eddyb) generate the definition of `HandleStore` in `server.rs`. -use super::client::HandleStore; - -/// Declare an associated item of one of the traits below, optionally -/// adjusting it (i.e., adding bounds to types and default bodies to methods). -macro_rules! associated_item { - (type FreeFunctions) => - (type FreeFunctions: 'static;); - (type TokenStream) => - (type TokenStream: 'static + Clone;); - (type TokenStreamBuilder) => - (type TokenStreamBuilder: 'static;); - (type TokenStreamIter) => - (type TokenStreamIter: 'static + Clone;); - (type Group) => - (type Group: 'static + Clone;); - (type Punct) => - (type Punct: 'static + Copy + Eq + Hash;); - (type Ident) => - (type Ident: 'static + Copy + Eq + Hash;); - (type Literal) => - (type Literal: 'static + Clone;); - (type SourceFile) => - (type SourceFile: 'static + Clone;); - (type MultiSpan) => - (type MultiSpan: 'static;); - (type Diagnostic) => - (type Diagnostic: 'static;); - (type Span) => - (type Span: 'static + Copy + Eq + Hash;); - (fn drop(&mut self, $arg:ident: $arg_ty:ty)) => - (fn drop(&mut self, $arg: $arg_ty) { mem::drop($arg) }); - (fn clone(&mut self, $arg:ident: $arg_ty:ty) -> $ret_ty:ty) => - (fn clone(&mut self, $arg: $arg_ty) -> $ret_ty { $arg.clone() }); - ($($item:tt)*) => ($($item)*;) -} - -macro_rules! declare_server_traits { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)?;)* - }),* $(,)?) => { - pub trait Types { - $(associated_item!(type $name);)* - } - - $(pub trait $name: Types { - $(associated_item!(fn $method(&mut self, $($arg: $arg_ty),*) $(-> $ret_ty)?);)* - })* - - pub trait Server: Types $(+ $name)* {} - impl<S: Types $(+ $name)*> Server for S {} - } -} -with_api!(Self, self_, declare_server_traits); - -pub(super) struct MarkedTypes<S: Types>(S); - -macro_rules! define_mark_types_impls { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)?;)* - }),* $(,)?) => { - impl<S: Types> Types for MarkedTypes<S> { - $(type $name = Marked<S::$name, client::$name>;)* - } - - $(impl<S: $name> $name for MarkedTypes<S> { - $(fn $method(&mut self, $($arg: $arg_ty),*) $(-> $ret_ty)? { - <_>::mark($name::$method(&mut self.0, $($arg.unmark()),*)) - })* - })* - } -} -with_api!(Self, self_, define_mark_types_impls); - -struct Dispatcher<S: Types> { - handle_store: HandleStore<S>, - server: S, -} - -macro_rules! define_dispatcher_impl { - ($($name:ident { - $(fn $method:ident($($arg:ident: $arg_ty:ty),* $(,)?) $(-> $ret_ty:ty)?;)* - }),* $(,)?) => { - // FIXME(eddyb) `pub` only for `ExecutionStrategy` below. - pub trait DispatcherTrait { - // HACK(eddyb) these are here to allow `Self::$name` to work below. - $(type $name;)* - fn dispatch(&mut self, b: Buffer<u8>) -> Buffer<u8>; - } - - impl<S: Server> DispatcherTrait for Dispatcher<MarkedTypes<S>> { - $(type $name = <MarkedTypes<S> as Types>::$name;)* - fn dispatch(&mut self, mut b: Buffer<u8>) -> Buffer<u8> { - let Dispatcher { handle_store, server } = self; - - let mut reader = &b[..]; - match api_tags::Method::decode(&mut reader, &mut ()) { - $(api_tags::Method::$name(m) => match m { - $(api_tags::$name::$method => { - let mut call_method = || { - reverse_decode!(reader, handle_store; $($arg: $arg_ty),*); - $name::$method(server, $($arg),*) - }; - // HACK(eddyb) don't use `panic::catch_unwind` in a panic. - // If client and server happen to use the same `libstd`, - // `catch_unwind` asserts that the panic counter was 0, - // even when the closure passed to it didn't panic. - let r = if thread::panicking() { - Ok(call_method()) - } else { - panic::catch_unwind(panic::AssertUnwindSafe(call_method)) - .map_err(PanicMessage::from) - }; - - b.clear(); - r.encode(&mut b, handle_store); - })* - }),* - } - b - } - } - } -} -with_api!(Self, self_, define_dispatcher_impl); - -pub trait ExecutionStrategy { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8>; -} - -pub struct SameThread; - -impl ExecutionStrategy for SameThread { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8> { - let mut dispatch = |b| dispatcher.dispatch(b); - - run_client( - Bridge { cached_buffer: input, dispatch: (&mut dispatch).into(), force_show_panics }, - client_data, - ) - } -} - -// NOTE(eddyb) Two implementations are provided, the second one is a bit -// faster but neither is anywhere near as fast as same-thread execution. - -pub struct CrossThread1; - -impl ExecutionStrategy for CrossThread1 { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8> { - use std::sync::mpsc::channel; - - let (req_tx, req_rx) = channel(); - let (res_tx, res_rx) = channel(); - - let join_handle = thread::spawn(move || { - let mut dispatch = |b| { - req_tx.send(b).unwrap(); - res_rx.recv().unwrap() - }; - - run_client( - Bridge { - cached_buffer: input, - dispatch: (&mut dispatch).into(), - force_show_panics, - }, - client_data, - ) - }); - - for b in req_rx { - res_tx.send(dispatcher.dispatch(b)).unwrap(); - } - - join_handle.join().unwrap() - } -} - -pub struct CrossThread2; - -impl ExecutionStrategy for CrossThread2 { - fn run_bridge_and_client<D: Copy + Send + 'static>( - &self, - dispatcher: &mut impl DispatcherTrait, - input: Buffer<u8>, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, - ) -> Buffer<u8> { - use std::sync::{Arc, Mutex}; - - enum State<T> { - Req(T), - Res(T), - } - - let mut state = Arc::new(Mutex::new(State::Res(Buffer::new()))); - - let server_thread = thread::current(); - let state2 = state.clone(); - let join_handle = thread::spawn(move || { - let mut dispatch = |b| { - *state2.lock().unwrap() = State::Req(b); - server_thread.unpark(); - loop { - thread::park(); - if let State::Res(b) = &mut *state2.lock().unwrap() { - break b.take(); - } - } - }; - - let r = run_client( - Bridge { - cached_buffer: input, - dispatch: (&mut dispatch).into(), - force_show_panics, - }, - client_data, - ); - - // Wake up the server so it can exit the dispatch loop. - drop(state2); - server_thread.unpark(); - - r - }); - - // Check whether `state2` was dropped, to know when to stop. - while Arc::get_mut(&mut state).is_none() { - thread::park(); - let mut b = match &mut *state.lock().unwrap() { - State::Req(b) => b.take(), - _ => continue, - }; - b = dispatcher.dispatch(b.take()); - *state.lock().unwrap() = State::Res(b); - join_handle.thread().unpark(); - } - - join_handle.join().unwrap() - } -} - -fn run_server< - S: Server, - I: Encode<HandleStore<MarkedTypes<S>>>, - O: for<'a, 's> DecodeMut<'a, 's, HandleStore<MarkedTypes<S>>>, - D: Copy + Send + 'static, ->( - strategy: &impl ExecutionStrategy, - handle_counters: &'static client::HandleCounters, - server: S, - input: I, - run_client: extern "C" fn(Bridge<'_>, D) -> Buffer<u8>, - client_data: D, - force_show_panics: bool, -) -> Result<O, PanicMessage> { - let mut dispatcher = - Dispatcher { handle_store: HandleStore::new(handle_counters), server: MarkedTypes(server) }; - - let mut b = Buffer::new(); - input.encode(&mut b, &mut dispatcher.handle_store); - - b = strategy.run_bridge_and_client( - &mut dispatcher, - b, - run_client, - client_data, - force_show_panics, - ); - - Result::decode(&mut &b[..], &mut dispatcher.handle_store) -} - -impl client::Client<fn(super::super::TokenStream) -> super::super::TokenStream> { - pub fn run<S: Server>( - &self, - strategy: &impl ExecutionStrategy, - server: S, - input: S::TokenStream, - force_show_panics: bool, - ) -> Result<S::TokenStream, PanicMessage> { - let client::Client { get_handle_counters, run, f } = *self; - run_server( - strategy, - get_handle_counters(), - server, - <MarkedTypes<S> as Types>::TokenStream::mark(input), - run, - f, - force_show_panics, - ) - .map(<MarkedTypes<S> as Types>::TokenStream::unmark) - } -} - -impl - client::Client< - fn(super::super::TokenStream, super::super::TokenStream) -> super::super::TokenStream, - > -{ - pub fn run<S: Server>( - &self, - strategy: &impl ExecutionStrategy, - server: S, - input: S::TokenStream, - input2: S::TokenStream, - force_show_panics: bool, - ) -> Result<S::TokenStream, PanicMessage> { - let client::Client { get_handle_counters, run, f } = *self; - run_server( - strategy, - get_handle_counters(), - server, - ( - <MarkedTypes<S> as Types>::TokenStream::mark(input), - <MarkedTypes<S> as Types>::TokenStream::mark(input2), - ), - run, - f, - force_show_panics, - ) - .map(<MarkedTypes<S> as Types>::TokenStream::unmark) - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/diagnostic.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/diagnostic.rs deleted file mode 100644 index cda239f8785..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/diagnostic.rs +++ /dev/null @@ -1,166 +0,0 @@ -//! lib-proc-macro diagnostic -//! -//! Copy from <https://github.com/rust-lang/rust/blob/6050e523bae6de61de4e060facc43dc512adaccd/src/libproc_macro/diagnostic.rs> -//! augmented with removing unstable features - -use super::Span; - -/// An enum representing a diagnostic level. -#[derive(Copy, Clone, Debug)] -#[non_exhaustive] -pub enum Level { - /// An error. - Error, - /// A warning. - Warning, - /// A note. - Note, - /// A help message. - Help, -} - -/// Trait implemented by types that can be converted into a set of `Span`s. -pub trait MultiSpan { - /// Converts `self` into a `Vec<Span>`. - fn into_spans(self) -> Vec<Span>; -} - -impl MultiSpan for Span { - fn into_spans(self) -> Vec<Span> { - vec![self] - } -} - -impl MultiSpan for Vec<Span> { - fn into_spans(self) -> Vec<Span> { - self - } -} - -impl<'a> MultiSpan for &'a [Span] { - fn into_spans(self) -> Vec<Span> { - self.to_vec() - } -} - -/// A structure representing a diagnostic message and associated children -/// messages. -#[derive(Clone, Debug)] -pub struct Diagnostic { - level: Level, - message: String, - spans: Vec<Span>, - children: Vec<Diagnostic>, -} - -macro_rules! diagnostic_child_methods { - ($spanned:ident, $regular:ident, $level:expr) => { - #[doc = concat!("Adds a new child diagnostics message to `self` with the [`", - stringify!($level), "`] level, and the given `spans` and `message`.")] - pub fn $spanned<S, T>(mut self, spans: S, message: T) -> Diagnostic - where - S: MultiSpan, - T: Into<String>, - { - self.children.push(Diagnostic::spanned(spans, $level, message)); - self - } - - #[doc = concat!("Adds a new child diagnostic message to `self` with the [`", - stringify!($level), "`] level, and the given `message`.")] - pub fn $regular<T: Into<String>>(mut self, message: T) -> Diagnostic { - self.children.push(Diagnostic::new($level, message)); - self - } - }; -} - -/// Iterator over the children diagnostics of a `Diagnostic`. -#[derive(Debug, Clone)] -pub struct Children<'a>(std::slice::Iter<'a, Diagnostic>); - -impl<'a> Iterator for Children<'a> { - type Item = &'a Diagnostic; - - fn next(&mut self) -> Option<Self::Item> { - self.0.next() - } -} - -impl Diagnostic { - /// Creates a new diagnostic with the given `level` and `message`. - pub fn new<T: Into<String>>(level: Level, message: T) -> Diagnostic { - Diagnostic { level, message: message.into(), spans: vec![], children: vec![] } - } - - /// Creates a new diagnostic with the given `level` and `message` pointing to - /// the given set of `spans`. - pub fn spanned<S, T>(spans: S, level: Level, message: T) -> Diagnostic - where - S: MultiSpan, - T: Into<String>, - { - Diagnostic { level, message: message.into(), spans: spans.into_spans(), children: vec![] } - } - - diagnostic_child_methods!(span_error, error, Level::Error); - diagnostic_child_methods!(span_warning, warning, Level::Warning); - diagnostic_child_methods!(span_note, note, Level::Note); - diagnostic_child_methods!(span_help, help, Level::Help); - - /// Returns the diagnostic `level` for `self`. - pub fn level(&self) -> Level { - self.level - } - - /// Sets the level in `self` to `level`. - pub fn set_level(&mut self, level: Level) { - self.level = level; - } - - /// Returns the message in `self`. - pub fn message(&self) -> &str { - &self.message - } - - /// Sets the message in `self` to `message`. - pub fn set_message<T: Into<String>>(&mut self, message: T) { - self.message = message.into(); - } - - /// Returns the `Span`s in `self`. - pub fn spans(&self) -> &[Span] { - &self.spans - } - - /// Sets the `Span`s in `self` to `spans`. - pub fn set_spans<S: MultiSpan>(&mut self, spans: S) { - self.spans = spans.into_spans(); - } - - /// Returns an iterator over the children diagnostics of `self`. - pub fn children(&self) -> Children<'_> { - Children(self.children.iter()) - } - - /// Emit the diagnostic. - pub fn emit(self) { - fn to_internal(spans: Vec<Span>) -> super::bridge::client::MultiSpan { - let mut multi_span = super::bridge::client::MultiSpan::new(); - for span in spans { - multi_span.push(span.0); - } - multi_span - } - - let mut diag = super::bridge::client::Diagnostic::new( - self.level, - &self.message[..], - to_internal(self.spans), - ); - for c in self.children { - diag.sub(c.level, &c.message[..], to_internal(c.spans)); - } - diag.emit(); - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/mod.rs deleted file mode 100644 index c5145d00e32..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/mod.rs +++ /dev/null @@ -1,1056 +0,0 @@ -//! A support library for macro authors when defining new macros. -//! -//! This library, provided by the standard distribution, provides the types -//! consumed in the interfaces of procedurally defined macro definitions such as -//! function-like macros `#[proc_macro]`, macro attributes `#[proc_macro_attribute]` and -//! custom derive attributes`#[proc_macro_derive]`. -//! -//! See [the book] for more. -//! -//! [the book]: ../book/ch19-06-macros.html#procedural-macros-for-generating-code-from-attributes - -#[doc(hidden)] -pub mod bridge; - -mod diagnostic; - -pub use diagnostic::{Diagnostic, Level, MultiSpan}; - -use std::cmp::Ordering; -use std::ops::RangeBounds; -use std::path::PathBuf; -use std::str::FromStr; -use std::{error, fmt, iter, mem}; - -/// Determines whether proc_macro has been made accessible to the currently -/// running program. -/// -/// The proc_macro crate is only intended for use inside the implementation of -/// procedural macros. All the functions in this crate panic if invoked from -/// outside of a procedural macro, such as from a build script or unit test or -/// ordinary Rust binary. -/// -/// With consideration for Rust libraries that are designed to support both -/// macro and non-macro use cases, `proc_macro::is_available()` provides a -/// non-panicking way to detect whether the infrastructure required to use the -/// API of proc_macro is presently available. Returns true if invoked from -/// inside of a procedural macro, false if invoked from any other binary. -pub fn is_available() -> bool { - bridge::Bridge::is_available() -} - -/// The main type provided by this crate, representing an abstract stream of -/// tokens, or, more specifically, a sequence of token trees. -/// The type provide interfaces for iterating over those token trees and, conversely, -/// collecting a number of token trees into one stream. -/// -/// This is both the input and output of `#[proc_macro]`, `#[proc_macro_attribute]` -/// and `#[proc_macro_derive]` definitions. -#[derive(Clone)] -pub struct TokenStream(bridge::client::TokenStream); - -/// Error returned from `TokenStream::from_str`. -#[non_exhaustive] -#[derive(Debug)] -pub struct LexError; - -impl fmt::Display for LexError { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str("cannot parse string into token stream") - } -} - -impl error::Error for LexError {} - -/// Error returned from `TokenStream::expand_expr`. -#[non_exhaustive] -#[derive(Debug)] -pub struct ExpandError; - -impl fmt::Display for ExpandError { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str("macro expansion failed") - } -} - -impl error::Error for ExpandError {} - -impl TokenStream { - /// Returns an empty `TokenStream` containing no token trees. - pub fn new() -> TokenStream { - TokenStream(bridge::client::TokenStream::new()) - } - - /// Checks if this `TokenStream` is empty. - pub fn is_empty(&self) -> bool { - self.0.is_empty() - } - - /// Parses this `TokenStream` as an expression and attempts to expand any - /// macros within it. Returns the expanded `TokenStream`. - /// - /// Currently only expressions expanding to literals will succeed, although - /// this may be relaxed in the future. - /// - /// NOTE: In error conditions, `expand_expr` may leave macros unexpanded, - /// report an error, failing compilation, and/or return an `Err(..)`. The - /// specific behavior for any error condition, and what conditions are - /// considered errors, is unspecified and may change in the future. - pub fn expand_expr(&self) -> Result<TokenStream, ExpandError> { - match bridge::client::TokenStream::expand_expr(&self.0) { - Ok(stream) => Ok(TokenStream(stream)), - Err(_) => Err(ExpandError), - } - } -} - -/// Attempts to break the string into tokens and parse those tokens into a token stream. -/// May fail for a number of reasons, for example, if the string contains unbalanced delimiters -/// or characters not existing in the language. -/// All tokens in the parsed stream get `Span::call_site()` spans. -/// -/// NOTE: some errors may cause panics instead of returning `LexError`. We reserve the right to -/// change these errors into `LexError`s later. -impl FromStr for TokenStream { - type Err = LexError; - - fn from_str(src: &str) -> Result<TokenStream, LexError> { - Ok(TokenStream(bridge::client::TokenStream::from_str(src))) - } -} - -/// Prints the token stream as a string that is supposed to be losslessly convertible back -/// into the same token stream (modulo spans), except for possibly `TokenTree::Group`s -/// with `Delimiter::None` delimiters and negative numeric literals. -impl fmt::Display for TokenStream { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -/// Prints token in a form convenient for debugging. -impl fmt::Debug for TokenStream { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str("TokenStream ")?; - f.debug_list().entries(self.clone()).finish() - } -} - -impl Default for TokenStream { - fn default() -> Self { - TokenStream::new() - } -} - -pub use quote::{quote, quote_span}; - -/// Creates a token stream containing a single token tree. -impl From<TokenTree> for TokenStream { - fn from(tree: TokenTree) -> TokenStream { - TokenStream(bridge::client::TokenStream::from_token_tree(match tree { - TokenTree::Group(tt) => bridge::TokenTree::Group(tt.0), - TokenTree::Punct(tt) => bridge::TokenTree::Punct(tt.0), - TokenTree::Ident(tt) => bridge::TokenTree::Ident(tt.0), - TokenTree::Literal(tt) => bridge::TokenTree::Literal(tt.0), - })) - } -} - -/// Collects a number of token trees into a single stream. -impl FromIterator<TokenTree> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenTree>>(trees: I) -> Self { - trees.into_iter().map(TokenStream::from).collect() - } -} - -/// A "flattening" operation on token streams, collects token trees -/// from multiple token streams into a single stream. -impl FromIterator<TokenStream> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self { - let mut builder = bridge::client::TokenStreamBuilder::new(); - streams.into_iter().for_each(|stream| builder.push(stream.0)); - TokenStream(builder.build()) - } -} - -impl Extend<TokenTree> for TokenStream { - fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, trees: I) { - self.extend(trees.into_iter().map(TokenStream::from)); - } -} - -impl Extend<TokenStream> for TokenStream { - fn extend<I: IntoIterator<Item = TokenStream>>(&mut self, streams: I) { - // FIXME(eddyb) Use an optimized implementation if/when possible. - *self = iter::once(mem::replace(self, Self::new())).chain(streams).collect(); - } -} - -/// Public implementation details for the `TokenStream` type, such as iterators. -pub mod token_stream { - use super::{bridge, Group, Ident, Literal, Punct, TokenStream, TokenTree}; - - /// An iterator over `TokenStream`'s `TokenTree`s. - /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, - /// and returns whole groups as token trees. - #[derive(Clone)] - pub struct IntoIter(bridge::client::TokenStreamIter); - - impl Iterator for IntoIter { - type Item = TokenTree; - - fn next(&mut self) -> Option<TokenTree> { - self.0.next().map(|tree| match tree { - bridge::TokenTree::Group(tt) => TokenTree::Group(Group(tt)), - bridge::TokenTree::Punct(tt) => TokenTree::Punct(Punct(tt)), - bridge::TokenTree::Ident(tt) => TokenTree::Ident(Ident(tt)), - bridge::TokenTree::Literal(tt) => TokenTree::Literal(Literal(tt)), - }) - } - } - - impl IntoIterator for TokenStream { - type Item = TokenTree; - type IntoIter = IntoIter; - - fn into_iter(self) -> IntoIter { - IntoIter(self.0.into_iter()) - } - } -} - -/// `quote!(..)` accepts arbitrary tokens and expands into a `TokenStream` describing the input. -/// For example, `quote!(a + b)` will produce an expression, that, when evaluated, constructs -/// the `TokenStream` `[Ident("a"), Punct('+', Alone), Ident("b")]`. -/// -/// Unquoting is done with `$`, and works by taking the single next ident as the unquoted term. -/// To quote `$` itself, use `$$`. -//pub macro quote($($t:tt)*) { -//[> compiler built-in <] -//} - -#[doc(hidden)] -mod quote; - -/// A region of source code, along with macro expansion information. -#[derive(Copy, Clone)] -pub struct Span(bridge::client::Span); - -macro_rules! diagnostic_method { - ($name:ident, $level:expr) => { - /// Creates a new `Diagnostic` with the given `message` at the span - /// `self`. - pub fn $name<T: Into<String>>(self, message: T) -> Diagnostic { - Diagnostic::spanned(self, $level, message) - } - }; -} - -impl Span { - /// A span that resolves at the macro definition site. - pub fn def_site() -> Span { - Span(bridge::client::Span::def_site()) - } - - /// The span of the invocation of the current procedural macro. - /// Identifiers created with this span will be resolved as if they were written - /// directly at the macro call location (call-site hygiene) and other code - /// at the macro call site will be able to refer to them as well. - pub fn call_site() -> Span { - Span(bridge::client::Span::call_site()) - } - - /// A span that represents `macro_rules` hygiene, and sometimes resolves at the macro - /// definition site (local variables, labels, `$crate`) and sometimes at the macro - /// call site (everything else). - /// The span location is taken from the call-site. - pub fn mixed_site() -> Span { - Span(bridge::client::Span::mixed_site()) - } - - /// The original source file into which this span points. - pub fn source_file(&self) -> SourceFile { - SourceFile(self.0.source_file()) - } - - /// The `Span` for the tokens in the previous macro expansion from which - /// `self` was generated from, if any. - pub fn parent(&self) -> Option<Span> { - self.0.parent().map(Span) - } - - /// The span for the origin source code that `self` was generated from. If - /// this `Span` wasn't generated from other macro expansions then the return - /// value is the same as `*self`. - pub fn source(&self) -> Span { - Span(self.0.source()) - } - - /// Gets the starting line/column in the source file for this span. - pub fn start(&self) -> LineColumn { - self.0.start().add_1_to_column() - } - - /// Gets the ending line/column in the source file for this span. - pub fn end(&self) -> LineColumn { - self.0.end().add_1_to_column() - } - - /// Creates an empty span pointing to directly before this span. - pub fn before(&self) -> Span { - Span(self.0.before()) - } - - /// Creates an empty span pointing to directly after this span. - pub fn after(&self) -> Span { - Span(self.0.after()) - } - - /// Creates a new span encompassing `self` and `other`. - /// - /// Returns `None` if `self` and `other` are from different files. - pub fn join(&self, other: Span) -> Option<Span> { - self.0.join(other.0).map(Span) - } - - /// Creates a new span with the same line/column information as `self` but - /// that resolves symbols as though it were at `other`. - pub fn resolved_at(&self, other: Span) -> Span { - Span(self.0.resolved_at(other.0)) - } - - /// Creates a new span with the same name resolution behavior as `self` but - /// with the line/column information of `other`. - pub fn located_at(&self, other: Span) -> Span { - other.resolved_at(*self) - } - - /// Compares to spans to see if they're equal. - pub fn eq(&self, other: &Span) -> bool { - self.0 == other.0 - } - - /// Returns the source text behind a span. This preserves the original source - /// code, including spaces and comments. It only returns a result if the span - /// corresponds to real source code. - /// - /// Note: The observable result of a macro should only rely on the tokens and - /// not on this source text. The result of this function is a best effort to - /// be used for diagnostics only. - pub fn source_text(&self) -> Option<String> { - self.0.source_text() - } - - // Used by the implementation of `Span::quote` - #[doc(hidden)] - pub fn save_span(&self) -> usize { - self.0.save_span() - } - - // Used by the implementation of `Span::quote` - #[doc(hidden)] - pub fn recover_proc_macro_span(id: usize) -> Span { - Span(bridge::client::Span::recover_proc_macro_span(id)) - } - - diagnostic_method!(error, Level::Error); - diagnostic_method!(warning, Level::Warning); - diagnostic_method!(note, Level::Note); - diagnostic_method!(help, Level::Help); -} - -/// Prints a span in a form convenient for debugging. -impl fmt::Debug for Span { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.0.fmt(f) - } -} - -/// A line-column pair representing the start or end of a `Span`. -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub struct LineColumn { - /// The 1-indexed line in the source file on which the span starts or ends (inclusive). - pub line: usize, - /// The 1-indexed column (number of bytes in UTF-8 encoding) in the source - /// file on which the span starts or ends (inclusive). - pub column: usize, -} - -impl LineColumn { - fn add_1_to_column(self) -> Self { - LineColumn { line: self.line, column: self.column + 1 } - } -} - -impl Ord for LineColumn { - fn cmp(&self, other: &Self) -> Ordering { - self.line.cmp(&other.line).then(self.column.cmp(&other.column)) - } -} - -impl PartialOrd for LineColumn { - fn partial_cmp(&self, other: &Self) -> Option<Ordering> { - Some(self.cmp(other)) - } -} - -/// The source file of a given `Span`. -#[derive(Clone)] -pub struct SourceFile(bridge::client::SourceFile); - -impl SourceFile { - /// Gets the path to this source file. - /// - /// ### Note - /// If the code span associated with this `SourceFile` was generated by an external macro, this - /// macro, this might not be an actual path on the filesystem. Use [`is_real`] to check. - /// - /// Also note that even if `is_real` returns `true`, if `--remap-path-prefix` was passed on - /// the command line, the path as given might not actually be valid. - /// - /// [`is_real`]: Self::is_real - pub fn path(&self) -> PathBuf { - PathBuf::from(self.0.path()) - } - - /// Returns `true` if this source file is a real source file, and not generated by an external - /// macro's expansion. - pub fn is_real(&self) -> bool { - // This is a hack until intercrate spans are implemented and we can have real source files - // for spans generated in external macros. - // https://github.com/rust-lang/rust/pull/43604#issuecomment-333334368 - self.0.is_real() - } -} - -impl fmt::Debug for SourceFile { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("SourceFile") - .field("path", &self.path()) - .field("is_real", &self.is_real()) - .finish() - } -} - -impl PartialEq for SourceFile { - fn eq(&self, other: &Self) -> bool { - self.0.eq(&other.0) - } -} - -impl Eq for SourceFile {} - -/// A single token or a delimited sequence of token trees (e.g., `[1, (), ..]`). -#[derive(Clone)] -pub enum TokenTree { - /// A token stream surrounded by bracket delimiters. - Group(Group), - /// An identifier. - Ident(Ident), - /// A single punctuation character (`+`, `,`, `$`, etc.). - Punct(Punct), - /// A literal character (`'a'`), string (`"hello"`), number (`2.3`), etc. - Literal(Literal), -} - -impl TokenTree { - /// Returns the span of this tree, delegating to the `span` method of - /// the contained token or a delimited stream. - pub fn span(&self) -> Span { - match *self { - TokenTree::Group(ref t) => t.span(), - TokenTree::Ident(ref t) => t.span(), - TokenTree::Punct(ref t) => t.span(), - TokenTree::Literal(ref t) => t.span(), - } - } - - /// Configures the span for *only this token*. - /// - /// Note that if this token is a `Group` then this method will not configure - /// the span of each of the internal tokens, this will simply delegate to - /// the `set_span` method of each variant. - pub fn set_span(&mut self, span: Span) { - match *self { - TokenTree::Group(ref mut t) => t.set_span(span), - TokenTree::Ident(ref mut t) => t.set_span(span), - TokenTree::Punct(ref mut t) => t.set_span(span), - TokenTree::Literal(ref mut t) => t.set_span(span), - } - } -} - -/// Prints token tree in a form convenient for debugging. -impl fmt::Debug for TokenTree { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - // Each of these has the name in the struct type in the derived debug, - // so don't bother with an extra layer of indirection - match *self { - TokenTree::Group(ref tt) => tt.fmt(f), - TokenTree::Ident(ref tt) => tt.fmt(f), - TokenTree::Punct(ref tt) => tt.fmt(f), - TokenTree::Literal(ref tt) => tt.fmt(f), - } - } -} - -impl From<Group> for TokenTree { - fn from(g: Group) -> TokenTree { - TokenTree::Group(g) - } -} - -impl From<Ident> for TokenTree { - fn from(g: Ident) -> TokenTree { - TokenTree::Ident(g) - } -} - -impl From<Punct> for TokenTree { - fn from(g: Punct) -> TokenTree { - TokenTree::Punct(g) - } -} - -impl From<Literal> for TokenTree { - fn from(g: Literal) -> TokenTree { - TokenTree::Literal(g) - } -} - -/// Prints the token tree as a string that is supposed to be losslessly convertible back -/// into the same token tree (modulo spans), except for possibly `TokenTree::Group`s -/// with `Delimiter::None` delimiters and negative numeric literals. -impl fmt::Display for TokenTree { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -/// A delimited token stream. -/// -/// A `Group` internally contains a `TokenStream` which is surrounded by `Delimiter`s. -#[derive(Clone)] -pub struct Group(bridge::client::Group); - -/// Describes how a sequence of token trees is delimited. -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub enum Delimiter { - /// `( ... )` - Parenthesis, - /// `{ ... }` - Brace, - /// `[ ... ]` - Bracket, - /// `Ø ... Ø` - /// An implicit delimiter, that may, for example, appear around tokens coming from a - /// "macro variable" `$var`. It is important to preserve operator priorities in cases like - /// `$var * 3` where `$var` is `1 + 2`. - /// Implicit delimiters might not survive roundtrip of a token stream through a string. - None, -} - -impl Group { - /// Creates a new `Group` with the given delimiter and token stream. - /// - /// This constructor will set the span for this group to - /// `Span::call_site()`. To change the span you can use the `set_span` - /// method below. - pub fn new(delimiter: Delimiter, stream: TokenStream) -> Group { - Group(bridge::client::Group::new(delimiter, stream.0)) - } - - /// Returns the delimiter of this `Group` - pub fn delimiter(&self) -> Delimiter { - self.0.delimiter() - } - - /// Returns the `TokenStream` of tokens that are delimited in this `Group`. - /// - /// Note that the returned token stream does not include the delimiter - /// returned above. - pub fn stream(&self) -> TokenStream { - TokenStream(self.0.stream()) - } - - /// Returns the span for the delimiters of this token stream, spanning the - /// entire `Group`. - /// - /// ```text - /// pub fn span(&self) -> Span { - /// ^^^^^^^ - /// ``` - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Returns the span pointing to the opening delimiter of this group. - /// - /// ```text - /// pub fn span_open(&self) -> Span { - /// ^ - /// ``` - pub fn span_open(&self) -> Span { - Span(self.0.span_open()) - } - - /// Returns the span pointing to the closing delimiter of this group. - /// - /// ```text - /// pub fn span_close(&self) -> Span { - /// ^ - /// ``` - pub fn span_close(&self) -> Span { - Span(self.0.span_close()) - } - - /// Configures the span for this `Group`'s delimiters, but not its internal - /// tokens. - /// - /// This method will **not** set the span of all the internal tokens spanned - /// by this group, but rather it will only set the span of the delimiter - /// tokens at the level of the `Group`. - pub fn set_span(&mut self, span: Span) { - self.0.set_span(span.0); - } -} - -/// Prints the group as a string that should be losslessly convertible back -/// into the same group (modulo spans), except for possibly `TokenTree::Group`s -/// with `Delimiter::None` delimiters. -impl fmt::Display for Group { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Group { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Group") - .field("delimiter", &self.delimiter()) - .field("stream", &self.stream()) - .field("span", &self.span()) - .finish() - } -} - -/// A `Punct` is a single punctuation character such as `+`, `-` or `#`. -/// -/// Multi-character operators like `+=` are represented as two instances of `Punct` with different -/// forms of `Spacing` returned. -#[derive(Clone)] -pub struct Punct(bridge::client::Punct); - -/// Describes whether a `Punct` is followed immediately by another `Punct` ([`Spacing::Joint`]) or -/// by a different token or whitespace ([`Spacing::Alone`]). -#[derive(Copy, Clone, Debug, PartialEq, Eq)] -pub enum Spacing { - /// A `Punct` is not immediately followed by another `Punct`. - /// E.g. `+` is `Alone` in `+ =`, `+ident` and `+()`. - Alone, - /// A `Punct` is immediately followed by another `Punct`. - /// E.g. `+` is `Joint` in `+=` and `++`. - /// - /// Additionally, single quote `'` can join with identifiers to form lifetimes: `'ident`. - Joint, -} - -impl Punct { - /// Creates a new `Punct` from the given character and spacing. - /// The `ch` argument must be a valid punctuation character permitted by the language, - /// otherwise the function will panic. - /// - /// The returned `Punct` will have the default span of `Span::call_site()` - /// which can be further configured with the `set_span` method below. - pub fn new(ch: char, spacing: Spacing) -> Punct { - Punct(bridge::client::Punct::new(ch, spacing)) - } - - /// Returns the value of this punctuation character as `char`. - pub fn as_char(&self) -> char { - self.0.as_char() - } - - /// Returns the spacing of this punctuation character, indicating whether it's immediately - /// followed by another `Punct` in the token stream, so they can potentially be combined into - /// a multi-character operator (`Joint`), or it's followed by some other token or whitespace - /// (`Alone`) so the operator has certainly ended. - pub fn spacing(&self) -> Spacing { - self.0.spacing() - } - - /// Returns the span for this punctuation character. - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Configure the span for this punctuation character. - pub fn set_span(&mut self, span: Span) { - self.0 = self.0.with_span(span.0); - } -} - -/// Prints the punctuation character as a string that should be losslessly convertible -/// back into the same character. -impl fmt::Display for Punct { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Punct { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Punct") - .field("ch", &self.as_char()) - .field("spacing", &self.spacing()) - .field("span", &self.span()) - .finish() - } -} - -impl PartialEq<char> for Punct { - fn eq(&self, rhs: &char) -> bool { - self.as_char() == *rhs - } -} - -impl PartialEq<Punct> for char { - fn eq(&self, rhs: &Punct) -> bool { - *self == rhs.as_char() - } -} - -/// An identifier (`ident`). -#[derive(Clone)] -pub struct Ident(bridge::client::Ident); - -impl Ident { - /// Creates a new `Ident` with the given `string` as well as the specified - /// `span`. - /// The `string` argument must be a valid identifier permitted by the - /// language (including keywords, e.g. `self` or `fn`). Otherwise, the function will panic. - /// - /// Note that `span`, currently in rustc, configures the hygiene information - /// for this identifier. - /// - /// As of this time `Span::call_site()` explicitly opts-in to "call-site" hygiene - /// meaning that identifiers created with this span will be resolved as if they were written - /// directly at the location of the macro call, and other code at the macro call site will be - /// able to refer to them as well. - /// - /// Later spans like `Span::def_site()` will allow to opt-in to "definition-site" hygiene - /// meaning that identifiers created with this span will be resolved at the location of the - /// macro definition and other code at the macro call site will not be able to refer to them. - /// - /// Due to the current importance of hygiene this constructor, unlike other - /// tokens, requires a `Span` to be specified at construction. - pub fn new(string: &str, span: Span) -> Ident { - Ident(bridge::client::Ident::new(string, span.0, false)) - } - - /// Same as `Ident::new`, but creates a raw identifier (`r#ident`). - /// The `string` argument be a valid identifier permitted by the language - /// (including keywords, e.g. `fn`). Keywords which are usable in path segments - /// (e.g. `self`, `super`) are not supported, and will cause a panic. - pub fn new_raw(string: &str, span: Span) -> Ident { - Ident(bridge::client::Ident::new(string, span.0, true)) - } - - /// Returns the span of this `Ident`, encompassing the entire string returned - /// by [`to_string`](Self::to_string). - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Configures the span of this `Ident`, possibly changing its hygiene context. - pub fn set_span(&mut self, span: Span) { - self.0 = self.0.with_span(span.0); - } -} - -/// Prints the identifier as a string that should be losslessly convertible -/// back into the same identifier. -impl fmt::Display for Ident { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Ident { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.debug_struct("Ident") - .field("ident", &self.to_string()) - .field("span", &self.span()) - .finish() - } -} - -/// A literal string (`"hello"`), byte string (`b"hello"`), -/// character (`'a'`), byte character (`b'a'`), an integer or floating point number -/// with or without a suffix (`1`, `1u8`, `2.3`, `2.3f32`). -/// Boolean literals like `true` and `false` do not belong here, they are `Ident`s. -#[derive(Clone)] -pub struct Literal(bridge::client::Literal); - -macro_rules! suffixed_int_literals { - ($($name:ident => $kind:ident,)*) => ($( - /// Creates a new suffixed integer literal with the specified value. - /// - /// This function will create an integer like `1u32` where the integer - /// value specified is the first part of the token and the integral is - /// also suffixed at the end. - /// Literals created from negative numbers might not survive round-trips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// Literals created through this method have the `Span::call_site()` - /// span by default, which can be configured with the `set_span` method - /// below. - pub fn $name(n: $kind) -> Literal { - Literal(bridge::client::Literal::typed_integer(&n.to_string(), stringify!($kind))) - } - )*) -} - -macro_rules! unsuffixed_int_literals { - ($($name:ident => $kind:ident,)*) => ($( - /// Creates a new unsuffixed integer literal with the specified value. - /// - /// This function will create an integer like `1` where the integer - /// value specified is the first part of the token. No suffix is - /// specified on this token, meaning that invocations like - /// `Literal::i8_unsuffixed(1)` are equivalent to - /// `Literal::u32_unsuffixed(1)`. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// Literals created through this method have the `Span::call_site()` - /// span by default, which can be configured with the `set_span` method - /// below. - pub fn $name(n: $kind) -> Literal { - Literal(bridge::client::Literal::integer(&n.to_string())) - } - )*) -} - -impl Literal { - suffixed_int_literals! { - u8_suffixed => u8, - u16_suffixed => u16, - u32_suffixed => u32, - u64_suffixed => u64, - u128_suffixed => u128, - usize_suffixed => usize, - i8_suffixed => i8, - i16_suffixed => i16, - i32_suffixed => i32, - i64_suffixed => i64, - i128_suffixed => i128, - isize_suffixed => isize, - } - - unsuffixed_int_literals! { - u8_unsuffixed => u8, - u16_unsuffixed => u16, - u32_unsuffixed => u32, - u64_unsuffixed => u64, - u128_unsuffixed => u128, - usize_unsuffixed => usize, - i8_unsuffixed => i8, - i16_unsuffixed => i16, - i32_unsuffixed => i32, - i64_unsuffixed => i64, - i128_unsuffixed => i128, - isize_unsuffixed => isize, - } - - /// Creates a new unsuffixed floating-point literal. - /// - /// This constructor is similar to those like `Literal::i8_unsuffixed` where - /// the float's value is emitted directly into the token but no suffix is - /// used, so it may be inferred to be a `f64` later in the compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f32_unsuffixed(n: f32) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - let mut repr = n.to_string(); - if !repr.contains('.') { - repr.push_str(".0"); - } - Literal(bridge::client::Literal::float(&repr)) - } - - /// Creates a new suffixed floating-point literal. - /// - /// This constructor will create a literal like `1.0f32` where the value - /// specified is the preceding part of the token and `f32` is the suffix of - /// the token. This token will always be inferred to be an `f32` in the - /// compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f32_suffixed(n: f32) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - Literal(bridge::client::Literal::f32(&n.to_string())) - } - - /// Creates a new unsuffixed floating-point literal. - /// - /// This constructor is similar to those like `Literal::i8_unsuffixed` where - /// the float's value is emitted directly into the token but no suffix is - /// used, so it may be inferred to be a `f64` later in the compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f64_unsuffixed(n: f64) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - let mut repr = n.to_string(); - if !repr.contains('.') { - repr.push_str(".0"); - } - Literal(bridge::client::Literal::float(&repr)) - } - - /// Creates a new suffixed floating-point literal. - /// - /// This constructor will create a literal like `1.0f64` where the value - /// specified is the preceding part of the token and `f64` is the suffix of - /// the token. This token will always be inferred to be an `f64` in the - /// compiler. - /// Literals created from negative numbers might not survive rountrips through - /// `TokenStream` or strings and may be broken into two tokens (`-` and positive literal). - /// - /// # Panics - /// - /// This function requires that the specified float is finite, for - /// example if it is infinity or NaN this function will panic. - pub fn f64_suffixed(n: f64) -> Literal { - if !n.is_finite() { - panic!("Invalid float literal {n}"); - } - Literal(bridge::client::Literal::f64(&n.to_string())) - } - - /// String literal. - pub fn string(string: &str) -> Literal { - Literal(bridge::client::Literal::string(string)) - } - - /// Character literal. - pub fn character(ch: char) -> Literal { - Literal(bridge::client::Literal::character(ch)) - } - - /// Byte string literal. - pub fn byte_string(bytes: &[u8]) -> Literal { - Literal(bridge::client::Literal::byte_string(bytes)) - } - - /// Returns the span encompassing this literal. - pub fn span(&self) -> Span { - Span(self.0.span()) - } - - /// Configures the span associated for this literal. - pub fn set_span(&mut self, span: Span) { - self.0.set_span(span.0); - } - - /// Returns a `Span` that is a subset of `self.span()` containing only the - /// source bytes in range `range`. Returns `None` if the would-be trimmed - /// span is outside the bounds of `self`. - // FIXME(SergioBenitez): check that the byte range starts and ends at a - // UTF-8 boundary of the source. otherwise, it's likely that a panic will - // occur elsewhere when the source text is printed. - // FIXME(SergioBenitez): there is no way for the user to know what - // `self.span()` actually maps to, so this method can currently only be - // called blindly. For example, `to_string()` for the character 'c' returns - // "'\u{63}'"; there is no way for the user to know whether the source text - // was 'c' or whether it was '\u{63}'. - pub fn subspan<R: RangeBounds<usize>>(&self, range: R) -> Option<Span> { - self.0.subspan(range.start_bound().cloned(), range.end_bound().cloned()).map(Span) - } -} - -/// Parse a single literal from its stringified representation. -/// -/// In order to parse successfully, the input string must not contain anything -/// but the literal token. Specifically, it must not contain whitespace or -/// comments in addition to the literal. -/// -/// The resulting literal token will have a `Span::call_site()` span. -/// -/// NOTE: some errors may cause panics instead of returning `LexError`. We -/// reserve the right to change these errors into `LexError`s later. -impl FromStr for Literal { - type Err = LexError; - - fn from_str(src: &str) -> Result<Self, LexError> { - match bridge::client::Literal::from_str(src) { - Ok(literal) => Ok(Literal(literal)), - Err(()) => Err(LexError), - } - } -} - -/// Prints the literal as a string that should be losslessly convertible -/// back into the same literal (except for possible rounding for floating point literals). -impl fmt::Display for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) - } -} - -impl fmt::Debug for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - self.0.fmt(f) - } -} - -/// Tracked access to environment variables. -pub mod tracked_env { - use std::env::{self, VarError}; - use std::ffi::OsStr; - - /// Retrieve an environment variable and add it to build dependency info. - /// Build system executing the compiler will know that the variable was accessed during - /// compilation, and will be able to rerun the build when the value of that variable changes. - /// Besides the dependency tracking this function should be equivalent to `env::var` from the - /// standard library, except that the argument must be UTF-8. - pub fn var<K: AsRef<OsStr> + AsRef<str>>(key: K) -> Result<String, VarError> { - let key: &str = key.as_ref(); - let value = env::var(key); - super::bridge::client::FreeFunctions::track_env_var(key, value.as_deref().ok()); - value - } -} - -/// Tracked access to additional files. -pub mod tracked_path { - - /// Track a file explicitly. - /// - /// Commonly used for tracking asset preprocessing. - pub fn path<P: AsRef<str>>(path: P) { - let path: &str = path.as_ref(); - super::bridge::client::FreeFunctions::track_path(path); - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/quote.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/quote.rs deleted file mode 100644 index b539ab9c0c6..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/proc_macro/quote.rs +++ /dev/null @@ -1,140 +0,0 @@ -//! # Quasiquoter -//! This file contains the implementation internals of the quasiquoter provided by `quote!`. - -//! This quasiquoter uses macros 2.0 hygiene to reliably access -//! items from `proc_macro`, to build a `proc_macro::TokenStream`. - -use super::{Delimiter, Group, Ident, Literal, Punct, Spacing, Span, TokenStream, TokenTree}; - -macro_rules! quote_tt { - (($($t:tt)*)) => { Group::new(Delimiter::Parenthesis, quote!($($t)*)) }; - ([$($t:tt)*]) => { Group::new(Delimiter::Bracket, quote!($($t)*)) }; - ({$($t:tt)*}) => { Group::new(Delimiter::Brace, quote!($($t)*)) }; - (,) => { Punct::new(',', Spacing::Alone) }; - (.) => { Punct::new('.', Spacing::Alone) }; - (:) => { Punct::new(':', Spacing::Alone) }; - (;) => { Punct::new(';', Spacing::Alone) }; - (!) => { Punct::new('!', Spacing::Alone) }; - (<) => { Punct::new('<', Spacing::Alone) }; - (>) => { Punct::new('>', Spacing::Alone) }; - (&) => { Punct::new('&', Spacing::Alone) }; - (=) => { Punct::new('=', Spacing::Alone) }; - ($i:ident) => { Ident::new(stringify!($i), Span::def_site()) }; -} - -macro_rules! quote_ts { - ((@ $($t:tt)*)) => { $($t)* }; - (::) => { - [ - TokenTree::from(Punct::new(':', Spacing::Joint)), - TokenTree::from(Punct::new(':', Spacing::Alone)), - ].iter() - .cloned() - .map(|mut x| { - x.set_span(Span::def_site()); - x - }) - .collect::<TokenStream>() - }; - ($t:tt) => { TokenTree::from(quote_tt!($t)) }; -} - -/// Simpler version of the real `quote!` macro, implemented solely -/// through `macro_rules`, for bootstrapping the real implementation -/// (see the `quote` function), which does not have access to the -/// real `quote!` macro due to the `proc_macro` crate not being -/// able to depend on itself. -/// -/// Note: supported tokens are a subset of the real `quote!`, but -/// unquoting is different: instead of `$x`, this uses `(@ expr)`. -macro_rules! quote { - () => { TokenStream::new() }; - ($($t:tt)*) => { - [ - $(TokenStream::from(quote_ts!($t)),)* - ].iter().cloned().collect::<TokenStream>() - }; -} - -/// Quote a `TokenStream` into a `TokenStream`. -/// This is the actual implementation of the `quote!()` proc macro. -/// -/// It is loaded by the compiler in `register_builtin_macros`. -pub fn quote(stream: TokenStream) -> TokenStream { - if stream.is_empty() { - return quote!(crate::TokenStream::new()); - } - let proc_macro_crate = quote!(crate); - let mut after_dollar = false; - let tokens = stream - .into_iter() - .filter_map(|tree| { - if after_dollar { - after_dollar = false; - match tree { - TokenTree::Ident(_) => { - return Some(quote!(Into::<crate::TokenStream>::into( - Clone::clone(&(@ tree))),)); - } - TokenTree::Punct(ref tt) if tt.as_char() == '$' => {} - _ => panic!("`$` must be followed by an ident or `$` in `quote!`"), - } - } else if let TokenTree::Punct(ref tt) = tree { - if tt.as_char() == '$' { - after_dollar = true; - return None; - } - } - - Some(quote!(crate::TokenStream::from((@ match tree { - TokenTree::Punct(tt) => quote!(crate::TokenTree::Punct(crate::Punct::new( - (@ TokenTree::from(Literal::character(tt.as_char()))), - (@ match tt.spacing() { - Spacing::Alone => quote!(crate::Spacing::Alone), - Spacing::Joint => quote!(crate::Spacing::Joint), - }), - ))), - TokenTree::Group(tt) => quote!(crate::TokenTree::Group(crate::Group::new( - (@ match tt.delimiter() { - Delimiter::Parenthesis => quote!(crate::Delimiter::Parenthesis), - Delimiter::Brace => quote!(crate::Delimiter::Brace), - Delimiter::Bracket => quote!(crate::Delimiter::Bracket), - Delimiter::None => quote!(crate::Delimiter::None), - }), - (@ quote(tt.stream())), - ))), - TokenTree::Ident(tt) => quote!(crate::TokenTree::Ident(crate::Ident::new( - (@ TokenTree::from(Literal::string(&tt.to_string()))), - (@ quote_span(proc_macro_crate.clone(), tt.span())), - ))), - TokenTree::Literal(tt) => quote!(crate::TokenTree::Literal({ - let mut iter = (@ TokenTree::from(Literal::string(&tt.to_string()))) - .parse::<crate::TokenStream>() - .unwrap() - .into_iter(); - if let (Some(crate::TokenTree::Literal(mut lit)), None) = - (iter.next(), iter.next()) - { - lit.set_span((@ quote_span(proc_macro_crate.clone(), tt.span()))); - lit - } else { - unreachable!() - } - })) - })),)) - }) - .collect::<TokenStream>(); - - if after_dollar { - panic!("unexpected trailing `$` in `quote!`"); - } - - quote!([(@ tokens)].iter().cloned().collect::<crate::TokenStream>()) -} - -/// Quote a `Span` into a `TokenStream`. -/// This is needed to implement a custom quoter. -pub fn quote_span(proc_macro_crate: TokenStream, span: Span) -> TokenStream { - let id = span.save_span(); - quote!((@ proc_macro_crate ) ::Span::recover_proc_macro_span((@ TokenTree::from(Literal::usize_unsuffixed(id))))) -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs deleted file mode 100644 index 22d4ad94f77..00000000000 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_58/ra_server.rs +++ /dev/null @@ -1,822 +0,0 @@ -//! Rustc proc-macro server implementation with tt -//! -//! Based on idea from <https://github.com/fedochet/rust-proc-macro-expander> -//! The lib-proc-macro server backend is `TokenStream`-agnostic, such that -//! we could provide any TokenStream implementation. -//! The original idea from fedochet is using proc-macro2 as backend, -//! we use tt instead for better integration with RA. -//! -//! FIXME: No span and source file information is implemented yet - -use super::proc_macro::bridge::{self, server}; - -use std::collections::HashMap; -use std::hash::Hash; -use std::ops::Bound; -use std::{ascii, vec::IntoIter}; - -type Group = tt::Subtree; -type TokenTree = tt::TokenTree; -type Punct = tt::Punct; -type Spacing = tt::Spacing; -type Literal = tt::Literal; -type Span = tt::TokenId; - -#[derive(Debug, Clone)] -pub struct TokenStream { - pub token_trees: Vec<TokenTree>, -} - -impl TokenStream { - pub fn new() -> Self { - TokenStream { token_trees: Default::default() } - } - - pub fn with_subtree(subtree: tt::Subtree) -> Self { - if subtree.delimiter.is_some() { - TokenStream { token_trees: vec![TokenTree::Subtree(subtree)] } - } else { - TokenStream { token_trees: subtree.token_trees } - } - } - - pub fn into_subtree(self) -> tt::Subtree { - tt::Subtree { delimiter: None, token_trees: self.token_trees } - } - - pub fn is_empty(&self) -> bool { - self.token_trees.is_empty() - } -} - -/// Creates a token stream containing a single token tree. -impl From<TokenTree> for TokenStream { - fn from(tree: TokenTree) -> TokenStream { - TokenStream { token_trees: vec![tree] } - } -} - -/// Collects a number of token trees into a single stream. -impl FromIterator<TokenTree> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenTree>>(trees: I) -> Self { - trees.into_iter().map(TokenStream::from).collect() - } -} - -/// A "flattening" operation on token streams, collects token trees -/// from multiple token streams into a single stream. -impl FromIterator<TokenStream> for TokenStream { - fn from_iter<I: IntoIterator<Item = TokenStream>>(streams: I) -> Self { - let mut builder = TokenStreamBuilder::new(); - streams.into_iter().for_each(|stream| builder.push(stream)); - builder.build() - } -} - -impl Extend<TokenTree> for TokenStream { - fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, trees: I) { - self.extend(trees.into_iter().map(TokenStream::from)); - } -} - -impl Extend<TokenStream> for TokenStream { - fn extend<I: IntoIterator<Item = TokenStream>>(&mut self, streams: I) { - for item in streams { - for tkn in item { - match tkn { - tt::TokenTree::Subtree(subtree) if subtree.delimiter.is_none() => { - self.token_trees.extend(subtree.token_trees); - } - _ => { - self.token_trees.push(tkn); - } - } - } - } - } -} - -#[derive(Clone)] -pub struct SourceFile { - // FIXME stub -} - -type Level = super::proc_macro::Level; -type LineColumn = super::proc_macro::LineColumn; - -/// A structure representing a diagnostic message and associated children -/// messages. -#[derive(Clone, Debug)] -pub struct Diagnostic { - level: Level, - message: String, - spans: Vec<Span>, - children: Vec<Diagnostic>, -} - -impl Diagnostic { - /// Creates a new diagnostic with the given `level` and `message`. - pub fn new<T: Into<String>>(level: Level, message: T) -> Diagnostic { - Diagnostic { level, message: message.into(), spans: vec![], children: vec![] } - } -} - -// Rustc Server Ident has to be `Copyable` -// We use a stub here for bypassing -#[derive(Hash, Eq, PartialEq, Copy, Clone)] -pub struct IdentId(u32); - -#[derive(Clone, Hash, Eq, PartialEq)] -struct IdentData(tt::Ident); - -#[derive(Default)] -struct IdentInterner { - idents: HashMap<IdentData, u32>, - ident_data: Vec<IdentData>, -} - -impl IdentInterner { - fn intern(&mut self, data: &IdentData) -> u32 { - if let Some(index) = self.idents.get(data) { - return *index; - } - - let index = self.idents.len() as u32; - self.ident_data.push(data.clone()); - self.idents.insert(data.clone(), index); - index - } - - fn get(&self, index: u32) -> &IdentData { - &self.ident_data[index as usize] - } - - #[allow(unused)] - fn get_mut(&mut self, index: u32) -> &mut IdentData { - self.ident_data.get_mut(index as usize).expect("Should be consistent") - } -} - -pub struct TokenStreamBuilder { - acc: TokenStream, -} - -/// Public implementation details for the `TokenStream` type, such as iterators. -pub mod token_stream { - use std::str::FromStr; - - use super::{TokenStream, TokenTree}; - - /// An iterator over `TokenStream`'s `TokenTree`s. - /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, - /// and returns whole groups as token trees. - impl IntoIterator for TokenStream { - type Item = TokenTree; - type IntoIter = super::IntoIter<TokenTree>; - - fn into_iter(self) -> Self::IntoIter { - self.token_trees.into_iter() - } - } - - type LexError = String; - - /// Attempts to break the string into tokens and parse those tokens into a token stream. - /// May fail for a number of reasons, for example, if the string contains unbalanced delimiters - /// or characters not existing in the language. - /// All tokens in the parsed stream get `Span::call_site()` spans. - /// - /// NOTE: some errors may cause panics instead of returning `LexError`. We reserve the right to - /// change these errors into `LexError`s later. - impl FromStr for TokenStream { - type Err = LexError; - - fn from_str(src: &str) -> Result<TokenStream, LexError> { - let (subtree, _token_map) = - mbe::parse_to_token_tree(src).ok_or("Failed to parse from mbe")?; - - let subtree = subtree_replace_token_ids_with_unspecified(subtree); - Ok(TokenStream::with_subtree(subtree)) - } - } - - impl ToString for TokenStream { - fn to_string(&self) -> String { - tt::pretty(&self.token_trees) - } - } - - fn subtree_replace_token_ids_with_unspecified(subtree: tt::Subtree) -> tt::Subtree { - tt::Subtree { - delimiter: subtree - .delimiter - .map(|d| tt::Delimiter { id: tt::TokenId::unspecified(), ..d }), - token_trees: subtree - .token_trees - .into_iter() - .map(token_tree_replace_token_ids_with_unspecified) - .collect(), - } - } - - fn token_tree_replace_token_ids_with_unspecified(tt: tt::TokenTree) -> tt::TokenTree { - match tt { - tt::TokenTree::Leaf(leaf) => { - tt::TokenTree::Leaf(leaf_replace_token_ids_with_unspecified(leaf)) - } - tt::TokenTree::Subtree(subtree) => { - tt::TokenTree::Subtree(subtree_replace_token_ids_with_unspecified(subtree)) - } - } - } - - fn leaf_replace_token_ids_with_unspecified(leaf: tt::Leaf) -> tt::Leaf { - match leaf { - tt::Leaf::Literal(lit) => { - tt::Leaf::Literal(tt::Literal { id: tt::TokenId::unspecified(), ..lit }) - } - tt::Leaf::Punct(punct) => { - tt::Leaf::Punct(tt::Punct { id: tt::TokenId::unspecified(), ..punct }) - } - tt::Leaf::Ident(ident) => { - tt::Leaf::Ident(tt::Ident { id: tt::TokenId::unspecified(), ..ident }) - } - } - } -} - -impl TokenStreamBuilder { - fn new() -> TokenStreamBuilder { - TokenStreamBuilder { acc: TokenStream::new() } - } - - fn push(&mut self, stream: TokenStream) { - self.acc.extend(stream.into_iter()) - } - - fn build(self) -> TokenStream { - self.acc - } -} - -pub struct FreeFunctions; - -#[derive(Clone)] -pub struct TokenStreamIter { - trees: IntoIter<TokenTree>, -} - -#[derive(Default)] -pub struct RustAnalyzer { - ident_interner: IdentInterner, - // FIXME: store span information here. -} - -impl server::Types for RustAnalyzer { - type FreeFunctions = FreeFunctions; - type TokenStream = TokenStream; - type TokenStreamBuilder = TokenStreamBuilder; - type TokenStreamIter = TokenStreamIter; - type Group = Group; - type Punct = Punct; - type Ident = IdentId; - type Literal = Literal; - type SourceFile = SourceFile; - type Diagnostic = Diagnostic; - type Span = Span; - type MultiSpan = Vec<Span>; -} - -impl server::FreeFunctions for RustAnalyzer { - fn track_env_var(&mut self, _var: &str, _value: Option<&str>) { - // FIXME: track env var accesses - // https://github.com/rust-lang/rust/pull/71858 - } - fn track_path(&mut self, _path: &str) {} -} - -impl server::TokenStream for RustAnalyzer { - fn new(&mut self) -> Self::TokenStream { - Self::TokenStream::new() - } - - fn is_empty(&mut self, stream: &Self::TokenStream) -> bool { - stream.is_empty() - } - fn from_str(&mut self, src: &str) -> Self::TokenStream { - use std::str::FromStr; - - Self::TokenStream::from_str(src).expect("cannot parse string") - } - fn to_string(&mut self, stream: &Self::TokenStream) -> String { - stream.to_string() - } - fn from_token_tree( - &mut self, - tree: bridge::TokenTree<Self::Group, Self::Punct, Self::Ident, Self::Literal>, - ) -> Self::TokenStream { - match tree { - bridge::TokenTree::Group(group) => { - let tree = TokenTree::from(group); - Self::TokenStream::from_iter(vec![tree]) - } - - bridge::TokenTree::Ident(IdentId(index)) => { - let IdentData(ident) = self.ident_interner.get(index).clone(); - let ident: tt::Ident = ident; - let leaf = tt::Leaf::from(ident); - let tree = TokenTree::from(leaf); - Self::TokenStream::from_iter(vec![tree]) - } - - bridge::TokenTree::Literal(literal) => { - let leaf = tt::Leaf::from(literal); - let tree = TokenTree::from(leaf); - Self::TokenStream::from_iter(vec![tree]) - } - - bridge::TokenTree::Punct(p) => { - let leaf = tt::Leaf::from(p); - let tree = TokenTree::from(leaf); - Self::TokenStream::from_iter(vec![tree]) - } - } - } - - fn into_iter(&mut self, stream: Self::TokenStream) -> Self::TokenStreamIter { - let trees: Vec<TokenTree> = stream.into_iter().collect(); - TokenStreamIter { trees: trees.into_iter() } - } - - fn expand_expr(&mut self, self_: &Self::TokenStream) -> Result<Self::TokenStream, ()> { - Ok(self_.clone()) - } -} - -impl server::TokenStreamBuilder for RustAnalyzer { - fn new(&mut self) -> Self::TokenStreamBuilder { - Self::TokenStreamBuilder::new() - } - fn push(&mut self, builder: &mut Self::TokenStreamBuilder, stream: Self::TokenStream) { - builder.push(stream) - } - fn build(&mut self, builder: Self::TokenStreamBuilder) -> Self::TokenStream { - builder.build() - } -} - -impl server::TokenStreamIter for RustAnalyzer { - fn next( - &mut self, - iter: &mut Self::TokenStreamIter, - ) -> Option<bridge::TokenTree<Self::Group, Self::Punct, Self::Ident, Self::Literal>> { - iter.trees.next().map(|tree| match tree { - TokenTree::Subtree(group) => bridge::TokenTree::Group(group), - TokenTree::Leaf(tt::Leaf::Ident(ident)) => { - bridge::TokenTree::Ident(IdentId(self.ident_interner.intern(&IdentData(ident)))) - } - TokenTree::Leaf(tt::Leaf::Literal(literal)) => bridge::TokenTree::Literal(literal), - TokenTree::Leaf(tt::Leaf::Punct(punct)) => bridge::TokenTree::Punct(punct), - }) - } -} - -fn delim_to_internal(d: bridge::Delimiter) -> Option<tt::Delimiter> { - let kind = match d { - bridge::Delimiter::Parenthesis => tt::DelimiterKind::Parenthesis, - bridge::Delimiter::Brace => tt::DelimiterKind::Brace, - bridge::Delimiter::Bracket => tt::DelimiterKind::Bracket, - bridge::Delimiter::None => return None, - }; - Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind }) -} - -fn delim_to_external(d: Option<tt::Delimiter>) -> bridge::Delimiter { - match d.map(|it| it.kind) { - Some(tt::DelimiterKind::Parenthesis) => bridge::Delimiter::Parenthesis, - Some(tt::DelimiterKind::Brace) => bridge::Delimiter::Brace, - Some(tt::DelimiterKind::Bracket) => bridge::Delimiter::Bracket, - None => bridge::Delimiter::None, - } -} - -fn spacing_to_internal(spacing: bridge::Spacing) -> Spacing { - match spacing { - bridge::Spacing::Alone => Spacing::Alone, - bridge::Spacing::Joint => Spacing::Joint, - } -} - -fn spacing_to_external(spacing: Spacing) -> bridge::Spacing { - match spacing { - Spacing::Alone => bridge::Spacing::Alone, - Spacing::Joint => bridge::Spacing::Joint, - } -} - -impl server::Group for RustAnalyzer { - fn new(&mut self, delimiter: bridge::Delimiter, stream: Self::TokenStream) -> Self::Group { - Self::Group { delimiter: delim_to_internal(delimiter), token_trees: stream.token_trees } - } - fn delimiter(&mut self, group: &Self::Group) -> bridge::Delimiter { - delim_to_external(group.delimiter) - } - - // NOTE: Return value of do not include delimiter - fn stream(&mut self, group: &Self::Group) -> Self::TokenStream { - TokenStream { token_trees: group.token_trees.clone() } - } - - fn span(&mut self, group: &Self::Group) -> Self::Span { - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) - } - - fn set_span(&mut self, group: &mut Self::Group, span: Self::Span) { - if let Some(delim) = &mut group.delimiter { - delim.id = span; - } - } - - fn span_open(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) - } - - fn span_close(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) - } -} - -impl server::Punct for RustAnalyzer { - fn new(&mut self, ch: char, spacing: bridge::Spacing) -> Self::Punct { - tt::Punct { - char: ch, - spacing: spacing_to_internal(spacing), - id: tt::TokenId::unspecified(), - } - } - fn as_char(&mut self, punct: Self::Punct) -> char { - punct.char - } - fn spacing(&mut self, punct: Self::Punct) -> bridge::Spacing { - spacing_to_external(punct.spacing) - } - fn span(&mut self, punct: Self::Punct) -> Self::Span { - punct.id - } - fn with_span(&mut self, punct: Self::Punct, span: Self::Span) -> Self::Punct { - tt::Punct { id: span, ..punct } - } -} - -impl server::Ident for RustAnalyzer { - fn new(&mut self, string: &str, span: Self::Span, is_raw: bool) -> Self::Ident { - IdentId(self.ident_interner.intern(&IdentData(tt::Ident::new_with_is_raw( - string.into(), - span, - is_raw, - )))) - } - - fn span(&mut self, ident: Self::Ident) -> Self::Span { - self.ident_interner.get(ident.0).0.id - } - fn with_span(&mut self, ident: Self::Ident, span: Self::Span) -> Self::Ident { - let data = self.ident_interner.get(ident.0); - let new = IdentData(tt::Ident { id: span, ..data.0.clone() }); - IdentId(self.ident_interner.intern(&new)) - } -} - -impl server::Literal for RustAnalyzer { - fn debug_kind(&mut self, _literal: &Self::Literal) -> String { - // r-a: debug_kind and suffix are unsupported; corresponding client code has been changed to not call these. - // They must still be present to be ABI-compatible and work with upstream proc_macro. - "".to_owned() - } - fn from_str(&mut self, s: &str) -> Result<Self::Literal, ()> { - Ok(Literal { text: s.into(), id: tt::TokenId::unspecified() }) - } - fn symbol(&mut self, literal: &Self::Literal) -> String { - literal.text.to_string() - } - fn suffix(&mut self, _literal: &Self::Literal) -> Option<String> { - None - } - - fn to_string(&mut self, literal: &Self::Literal) -> String { - literal.to_string() - } - - fn integer(&mut self, n: &str) -> Self::Literal { - let n = match n.parse::<i128>() { - Ok(n) => n.to_string(), - Err(_) => n.parse::<u128>().unwrap().to_string(), - }; - Literal { text: n.into(), id: tt::TokenId::unspecified() } - } - - fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal { - macro_rules! def_suffixed_integer { - ($kind:ident, $($ty:ty),*) => { - match $kind { - $( - stringify!($ty) => { - let n: $ty = n.parse().unwrap(); - format!(concat!("{}", stringify!($ty)), n) - } - )* - _ => unimplemented!("unknown args for typed_integer: n {}, kind {}", n, $kind), - } - } - } - - let text = def_suffixed_integer! {kind, u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize}; - - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn float(&mut self, n: &str) -> Self::Literal { - let n: f64 = n.parse().unwrap(); - let mut text = f64::to_string(&n); - if !text.contains('.') { - text += ".0" - } - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn f32(&mut self, n: &str) -> Self::Literal { - let n: f32 = n.parse().unwrap(); - let text = format!("{n}f32"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn f64(&mut self, n: &str) -> Self::Literal { - let n: f64 = n.parse().unwrap(); - let text = format!("{n}f64"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } - } - - fn string(&mut self, string: &str) -> Self::Literal { - let mut escaped = String::new(); - for ch in string.chars() { - escaped.extend(ch.escape_debug()); - } - Literal { text: format!("\"{escaped}\"").into(), id: tt::TokenId::unspecified() } - } - - fn character(&mut self, ch: char) -> Self::Literal { - Literal { text: format!("'{ch}'").into(), id: tt::TokenId::unspecified() } - } - - fn byte_string(&mut self, bytes: &[u8]) -> Self::Literal { - let string = bytes - .iter() - .cloned() - .flat_map(ascii::escape_default) - .map(Into::<char>::into) - .collect::<String>(); - - Literal { text: format!("b\"{string}\"").into(), id: tt::TokenId::unspecified() } - } - - fn span(&mut self, literal: &Self::Literal) -> Self::Span { - literal.id - } - - fn set_span(&mut self, literal: &mut Self::Literal, span: Self::Span) { - literal.id = span; - } - - fn subspan( - &mut self, - _literal: &Self::Literal, - _start: Bound<usize>, - _end: Bound<usize>, - ) -> Option<Self::Span> { - // FIXME handle span - None - } -} - -impl server::SourceFile for RustAnalyzer { - // FIXME these are all stubs - fn eq(&mut self, _file1: &Self::SourceFile, _file2: &Self::SourceFile) -> bool { - true - } - fn path(&mut self, _file: &Self::SourceFile) -> String { - String::new() - } - fn is_real(&mut self, _file: &Self::SourceFile) -> bool { - true - } -} - -impl server::Diagnostic for RustAnalyzer { - fn new(&mut self, level: Level, msg: &str, spans: Self::MultiSpan) -> Self::Diagnostic { - let mut diag = Diagnostic::new(level, msg); - diag.spans = spans; - diag - } - - fn sub( - &mut self, - _diag: &mut Self::Diagnostic, - _level: Level, - _msg: &str, - _spans: Self::MultiSpan, - ) { - // FIXME handle diagnostic - // - } - - fn emit(&mut self, _diag: Self::Diagnostic) { - // FIXME handle diagnostic - // diag.emit() - } -} - -impl server::Span for RustAnalyzer { - fn debug(&mut self, span: Self::Span) -> String { - format!("{:?}", span.0) - } - fn def_site(&mut self) -> Self::Span { - // MySpan(self.span_interner.intern(&MySpanData(Span::def_site()))) - // FIXME handle span - tt::TokenId::unspecified() - } - fn call_site(&mut self) -> Self::Span { - // MySpan(self.span_interner.intern(&MySpanData(Span::call_site()))) - // FIXME handle span - tt::TokenId::unspecified() - } - fn source_file(&mut self, _span: Self::Span) -> Self::SourceFile { - SourceFile {} - } - fn save_span(&mut self, _span: Self::Span) -> usize { - // FIXME stub - 0 - } - fn recover_proc_macro_span(&mut self, _id: usize) -> Self::Span { - // FIXME stub - tt::TokenId::unspecified() - } - /// Recent feature, not yet in the proc_macro - /// - /// See PR: - /// https://github.com/rust-lang/rust/pull/55780 - fn source_text(&mut self, _span: Self::Span) -> Option<String> { - None - } - - fn parent(&mut self, _span: Self::Span) -> Option<Self::Span> { - // FIXME handle span - None - } - fn source(&mut self, span: Self::Span) -> Self::Span { - // FIXME handle span - span - } - fn start(&mut self, _span: Self::Span) -> LineColumn { - // FIXME handle span - LineColumn { line: 0, column: 0 } - } - fn end(&mut self, _span: Self::Span) -> LineColumn { - // FIXME handle span - LineColumn { line: 0, column: 0 } - } - fn join(&mut self, first: Self::Span, _second: Self::Span) -> Option<Self::Span> { - // Just return the first span again, because some macros will unwrap the result. - Some(first) - } - fn resolved_at(&mut self, _span: Self::Span, _at: Self::Span) -> Self::Span { - // FIXME handle span - tt::TokenId::unspecified() - } - - fn mixed_site(&mut self) -> Self::Span { - // FIXME handle span - tt::TokenId::unspecified() - } - - fn after(&mut self, _self_: Self::Span) -> Self::Span { - tt::TokenId::unspecified() - } - - fn before(&mut self, _self_: Self::Span) -> Self::Span { - tt::TokenId::unspecified() - } -} - -impl server::MultiSpan for RustAnalyzer { - fn new(&mut self) -> Self::MultiSpan { - // FIXME handle span - vec![] - } - - fn push(&mut self, other: &mut Self::MultiSpan, span: Self::Span) { - //TODP - other.push(span) - } -} - -#[cfg(test)] -mod tests { - use super::super::proc_macro::bridge::server::Literal; - use super::*; - - #[test] - fn test_ra_server_literals() { - let mut srv = RustAnalyzer { ident_interner: IdentInterner::default() }; - assert_eq!(srv.integer("1234").text, "1234"); - - assert_eq!(srv.typed_integer("12", "u8").text, "12u8"); - assert_eq!(srv.typed_integer("255", "u16").text, "255u16"); - assert_eq!(srv.typed_integer("1234", "u32").text, "1234u32"); - assert_eq!(srv.typed_integer("15846685", "u64").text, "15846685u64"); - assert_eq!(srv.typed_integer("15846685258", "u128").text, "15846685258u128"); - assert_eq!(srv.typed_integer("156788984", "usize").text, "156788984usize"); - assert_eq!(srv.typed_integer("127", "i8").text, "127i8"); - assert_eq!(srv.typed_integer("255", "i16").text, "255i16"); - assert_eq!(srv.typed_integer("1234", "i32").text, "1234i32"); - assert_eq!(srv.typed_integer("15846685", "i64").text, "15846685i64"); - assert_eq!(srv.typed_integer("15846685258", "i128").text, "15846685258i128"); - assert_eq!(srv.float("0").text, "0.0"); - assert_eq!(srv.float("15684.5867").text, "15684.5867"); - assert_eq!(srv.f32("15684.58").text, "15684.58f32"); - assert_eq!(srv.f64("15684.58").text, "15684.58f64"); - - assert_eq!(srv.string("hello_world").text, "\"hello_world\""); - assert_eq!(srv.character('c').text, "'c'"); - assert_eq!(srv.byte_string(b"1234586\x88").text, "b\"1234586\\x88\""); - - // u128::max - assert_eq!( - srv.integer("340282366920938463463374607431768211455").text, - "340282366920938463463374607431768211455" - ); - // i128::min - assert_eq!( - srv.integer("-170141183460469231731687303715884105728").text, - "-170141183460469231731687303715884105728" - ); - } - - #[test] - fn test_ra_server_to_string() { - let s = TokenStream { - token_trees: vec![ - tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "struct".into(), - id: tt::TokenId::unspecified(), - })), - tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "T".into(), - id: tt::TokenId::unspecified(), - })), - tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), - kind: tt::DelimiterKind::Brace, - }), - token_trees: vec![], - }), - ], - }; - - assert_eq!(s.to_string(), "struct T {}"); - } - - #[test] - fn test_ra_server_from_str() { - use std::str::FromStr; - let subtree_paren_a = tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), - kind: tt::DelimiterKind::Parenthesis, - }), - token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "a".into(), - id: tt::TokenId::unspecified(), - }))], - }); - - let t1 = TokenStream::from_str("(a)").unwrap(); - assert_eq!(t1.token_trees.len(), 1); - assert_eq!(t1.token_trees[0], subtree_paren_a); - - let t2 = TokenStream::from_str("(a);").unwrap(); - assert_eq!(t2.token_trees.len(), 2); - assert_eq!(t2.token_trees[0], subtree_paren_a); - - let underscore = TokenStream::from_str("_").unwrap(); - assert_eq!( - underscore.token_trees[0], - tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { - text: "_".into(), - id: tt::TokenId::unspecified(), - })) - ); - } -} diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs index 76e89e3191a..93805c89354 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/mod.rs @@ -11,6 +11,7 @@ mod ra_server; use libloading::Library; use proc_macro_api::ProcMacroKind; +use super::tt; use super::PanicMessage; pub use ra_server::TokenStream; diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs index 7ab1f421daf..89bd10da5e4 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/proc_macro/mod.rs @@ -124,8 +124,8 @@ impl FromStr for TokenStream { /// into the same token stream (modulo spans), except for possibly `TokenTree::Group`s /// with `Delimiter::None` delimiters and negative numeric literals. impl fmt::Display for TokenStream { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -572,8 +572,8 @@ impl From<Literal> for TokenTree { /// into the same token tree (modulo spans), except for possibly `TokenTree::Group`s /// with `Delimiter::None` delimiters and negative numeric literals. impl fmt::Display for TokenTree { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -669,8 +669,8 @@ impl Group { /// into the same group (modulo spans), except for possibly `TokenTree::Group`s /// with `Delimiter::None` delimiters. impl fmt::Display for Group { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -743,8 +743,8 @@ impl Punct { /// Prints the punctuation character as a string that should be losslessly convertible /// back into the same character. impl fmt::Display for Punct { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -821,8 +821,8 @@ impl Ident { /// Prints the identifier as a string that should be losslessly convertible /// back into the same identifier. impl fmt::Display for Ident { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } @@ -1064,8 +1064,8 @@ impl FromStr for Literal { /// Prints the literal as a string that should be losslessly convertible /// back into the same literal (except for possible rounding for floating point literals). impl fmt::Display for Literal { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - f.write_str(&self.to_string()) + fn fmt(&self, _f: &mut fmt::Formatter<'_>) -> fmt::Result { + unimplemented!() } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs index f82f20c37bc..30baf3a13f5 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_1_63/ra_server.rs @@ -15,6 +15,8 @@ use std::hash::Hash; use std::ops::Bound; use std::{ascii, vec::IntoIter}; +use crate::tt; + type Group = tt::Subtree; type TokenTree = tt::TokenTree; type Punct = tt::Punct; @@ -33,7 +35,7 @@ impl TokenStream { } pub fn with_subtree(subtree: tt::Subtree) -> Self { - if subtree.delimiter.is_some() { + if subtree.delimiter.kind != tt::DelimiterKind::Invisible { TokenStream { token_trees: vec![TokenTree::Subtree(subtree)] } } else { TokenStream { token_trees: subtree.token_trees } @@ -41,7 +43,7 @@ impl TokenStream { } pub fn into_subtree(self) -> tt::Subtree { - tt::Subtree { delimiter: None, token_trees: self.token_trees } + tt::Subtree { delimiter: tt::Delimiter::UNSPECIFIED, token_trees: self.token_trees } } pub fn is_empty(&self) -> bool { @@ -84,7 +86,9 @@ impl Extend<TokenStream> for TokenStream { for item in streams { for tkn in item { match tkn { - tt::TokenTree::Subtree(subtree) if subtree.delimiter.is_none() => { + tt::TokenTree::Subtree(subtree) + if subtree.delimiter.kind == tt::DelimiterKind::Invisible => + { self.token_trees.extend(subtree.token_trees); } _ => { @@ -165,7 +169,7 @@ pub struct TokenStreamBuilder { pub mod token_stream { use std::str::FromStr; - use super::{TokenStream, TokenTree}; + use super::{tt, TokenStream, TokenTree}; /// An iterator over `TokenStream`'s `TokenTree`s. /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, @@ -202,15 +206,17 @@ pub mod token_stream { impl ToString for TokenStream { fn to_string(&self) -> String { - tt::pretty(&self.token_trees) + ::tt::pretty(&self.token_trees) } } fn subtree_replace_token_ids_with_unspecified(subtree: tt::Subtree) -> tt::Subtree { tt::Subtree { - delimiter: subtree - .delimiter - .map(|d| tt::Delimiter { id: tt::TokenId::unspecified(), ..d }), + delimiter: tt::Delimiter { + open: tt::TokenId::UNSPECIFIED, + close: tt::TokenId::UNSPECIFIED, + ..subtree.delimiter + }, token_trees: subtree .token_trees .into_iter() @@ -233,13 +239,13 @@ pub mod token_stream { fn leaf_replace_token_ids_with_unspecified(leaf: tt::Leaf) -> tt::Leaf { match leaf { tt::Leaf::Literal(lit) => { - tt::Leaf::Literal(tt::Literal { id: tt::TokenId::unspecified(), ..lit }) + tt::Leaf::Literal(tt::Literal { span: tt::TokenId::unspecified(), ..lit }) } tt::Leaf::Punct(punct) => { - tt::Leaf::Punct(tt::Punct { id: tt::TokenId::unspecified(), ..punct }) + tt::Leaf::Punct(tt::Punct { span: tt::TokenId::unspecified(), ..punct }) } tt::Leaf::Ident(ident) => { - tt::Leaf::Ident(tt::Ident { id: tt::TokenId::unspecified(), ..ident }) + tt::Leaf::Ident(tt::Ident { span: tt::TokenId::unspecified(), ..ident }) } } } @@ -389,22 +395,22 @@ impl server::TokenStream for RustAnalyzer { } } -fn delim_to_internal(d: bridge::Delimiter) -> Option<tt::Delimiter> { +fn delim_to_internal(d: bridge::Delimiter) -> tt::Delimiter { let kind = match d { bridge::Delimiter::Parenthesis => tt::DelimiterKind::Parenthesis, bridge::Delimiter::Brace => tt::DelimiterKind::Brace, bridge::Delimiter::Bracket => tt::DelimiterKind::Bracket, - bridge::Delimiter::None => return None, + bridge::Delimiter::None => tt::DelimiterKind::Invisible, }; - Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind }) + tt::Delimiter { open: tt::TokenId::unspecified(), close: tt::TokenId::unspecified(), kind } } -fn delim_to_external(d: Option<tt::Delimiter>) -> bridge::Delimiter { - match d.map(|it| it.kind) { - Some(tt::DelimiterKind::Parenthesis) => bridge::Delimiter::Parenthesis, - Some(tt::DelimiterKind::Brace) => bridge::Delimiter::Brace, - Some(tt::DelimiterKind::Bracket) => bridge::Delimiter::Bracket, - None => bridge::Delimiter::None, +fn delim_to_external(d: tt::Delimiter) -> bridge::Delimiter { + match d.kind { + tt::DelimiterKind::Parenthesis => bridge::Delimiter::Parenthesis, + tt::DelimiterKind::Brace => bridge::Delimiter::Brace, + tt::DelimiterKind::Bracket => bridge::Delimiter::Bracket, + tt::DelimiterKind::Invisible => bridge::Delimiter::None, } } @@ -443,23 +449,19 @@ impl server::Group for RustAnalyzer { } fn span(&mut self, group: &Self::Group) -> Self::Span { - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) + group.delimiter.open } fn set_span(&mut self, group: &mut Self::Group, span: Self::Span) { - if let Some(delim) = &mut group.delimiter { - delim.id = span; - } + group.delimiter.open = span; } fn span_open(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) + group.delimiter.open } fn span_close(&mut self, group: &Self::Group) -> Self::Span { - // FIXME we only store one `TokenId` for the delimiters - group.delimiter.map(|it| it.id).unwrap_or_else(tt::TokenId::unspecified) + group.delimiter.close } } @@ -468,7 +470,7 @@ impl server::Punct for RustAnalyzer { tt::Punct { char: ch, spacing: spacing_to_internal(spacing), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), } } fn as_char(&mut self, punct: Self::Punct) -> char { @@ -478,28 +480,27 @@ impl server::Punct for RustAnalyzer { spacing_to_external(punct.spacing) } fn span(&mut self, punct: Self::Punct) -> Self::Span { - punct.id + punct.span } fn with_span(&mut self, punct: Self::Punct, span: Self::Span) -> Self::Punct { - tt::Punct { id: span, ..punct } + tt::Punct { span: span, ..punct } } } impl server::Ident for RustAnalyzer { fn new(&mut self, string: &str, span: Self::Span, is_raw: bool) -> Self::Ident { - IdentId(self.ident_interner.intern(&IdentData(tt::Ident::new_with_is_raw( - string.into(), + IdentId(self.ident_interner.intern(&IdentData(tt::Ident { + text: if is_raw { ::tt::SmolStr::from_iter(["r#", string]) } else { string.into() }, span, - is_raw, - )))) + }))) } fn span(&mut self, ident: Self::Ident) -> Self::Span { - self.ident_interner.get(ident.0).0.id + self.ident_interner.get(ident.0).0.span } fn with_span(&mut self, ident: Self::Ident, span: Self::Span) -> Self::Ident { let data = self.ident_interner.get(ident.0); - let new = IdentData(tt::Ident { id: span, ..data.0.clone() }); + let new = IdentData(tt::Ident { span: span, ..data.0.clone() }); IdentId(self.ident_interner.intern(&new)) } } @@ -511,7 +512,7 @@ impl server::Literal for RustAnalyzer { "".to_owned() } fn from_str(&mut self, s: &str) -> Result<Self::Literal, ()> { - Ok(Literal { text: s.into(), id: tt::TokenId::unspecified() }) + Ok(Literal { text: s.into(), span: tt::TokenId::unspecified() }) } fn symbol(&mut self, literal: &Self::Literal) -> String { literal.text.to_string() @@ -529,7 +530,7 @@ impl server::Literal for RustAnalyzer { Ok(n) => n.to_string(), Err(_) => n.parse::<u128>().unwrap().to_string(), }; - Literal { text: n.into(), id: tt::TokenId::unspecified() } + Literal { text: n.into(), span: tt::TokenId::unspecified() } } fn typed_integer(&mut self, n: &str, kind: &str) -> Self::Literal { @@ -549,7 +550,7 @@ impl server::Literal for RustAnalyzer { let text = def_suffixed_integer! {kind, u8, u16, u32, u64, u128, usize, i8, i16, i32, i64, i128, isize}; - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn float(&mut self, n: &str) -> Self::Literal { @@ -558,19 +559,19 @@ impl server::Literal for RustAnalyzer { if !text.contains('.') { text += ".0" } - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn f32(&mut self, n: &str) -> Self::Literal { let n: f32 = n.parse().unwrap(); let text = format!("{n}f32"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn f64(&mut self, n: &str) -> Self::Literal { let n: f64 = n.parse().unwrap(); let text = format!("{n}f64"); - Literal { text: text.into(), id: tt::TokenId::unspecified() } + Literal { text: text.into(), span: tt::TokenId::unspecified() } } fn string(&mut self, string: &str) -> Self::Literal { @@ -578,11 +579,11 @@ impl server::Literal for RustAnalyzer { for ch in string.chars() { escaped.extend(ch.escape_debug()); } - Literal { text: format!("\"{escaped}\"").into(), id: tt::TokenId::unspecified() } + Literal { text: format!("\"{escaped}\"").into(), span: tt::TokenId::unspecified() } } fn character(&mut self, ch: char) -> Self::Literal { - Literal { text: format!("'{ch}'").into(), id: tt::TokenId::unspecified() } + Literal { text: format!("'{ch}'").into(), span: tt::TokenId::unspecified() } } fn byte_string(&mut self, bytes: &[u8]) -> Self::Literal { @@ -593,15 +594,15 @@ impl server::Literal for RustAnalyzer { .map(Into::<char>::into) .collect::<String>(); - Literal { text: format!("b\"{string}\"").into(), id: tt::TokenId::unspecified() } + Literal { text: format!("b\"{string}\"").into(), span: tt::TokenId::unspecified() } } fn span(&mut self, literal: &Self::Literal) -> Self::Span { - literal.id + literal.span } fn set_span(&mut self, literal: &mut Self::Literal, span: Self::Span) { - literal.id = span; + literal.span = span; } fn subspan( @@ -784,17 +785,18 @@ mod tests { token_trees: vec![ tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "struct".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "T".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Brace, - }), + }, token_trees: vec![], }), ], @@ -807,13 +809,14 @@ mod tests { fn test_ra_server_from_str() { use std::str::FromStr; let subtree_paren_a = tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Parenthesis, - }), + }, token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "a".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }); @@ -830,7 +833,7 @@ mod tests { underscore.token_trees[0], tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "_".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })) ); } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs index 243972b0499..0a3b8866a7f 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/mod.rs @@ -9,7 +9,7 @@ mod ra_server; use libloading::Library; use proc_macro_api::ProcMacroKind; -use super::PanicMessage; +use super::{tt, PanicMessage}; pub use ra_server::TokenStream; diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs index 068f79f824d..d258a024729 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server.rs @@ -22,6 +22,8 @@ pub use symbol::*; use std::ops::Bound; +use crate::tt; + type Group = tt::Subtree; type TokenTree = tt::TokenTree; type Punct = tt::Punct; @@ -108,8 +110,9 @@ impl server::TokenStream for RustAnalyzer { bridge::TokenTree::Ident(ident) => { let text = ident.sym.text(); - let text = if ident.is_raw { tt::SmolStr::from_iter(["r#", &text]) } else { text }; - let ident: tt::Ident = tt::Ident { text, id: ident.span }; + let text = + if ident.is_raw { ::tt::SmolStr::from_iter(["r#", &text]) } else { text }; + let ident: tt::Ident = tt::Ident { text, span: ident.span }; let leaf = tt::Leaf::from(ident); let tree = TokenTree::from(leaf); Self::TokenStream::from_iter(vec![tree]) @@ -118,9 +121,9 @@ impl server::TokenStream for RustAnalyzer { bridge::TokenTree::Literal(literal) => { let literal = LiteralFormatter(literal); let text = literal - .with_stringify_parts(|parts| tt::SmolStr::from_iter(parts.iter().copied())); + .with_stringify_parts(|parts| ::tt::SmolStr::from_iter(parts.iter().copied())); - let literal = tt::Literal { text, id: literal.0.span }; + let literal = tt::Literal { text, span: literal.0.span }; let leaf = tt::Leaf::from(literal); let tree = TokenTree::from(leaf); Self::TokenStream::from_iter(vec![tree]) @@ -130,7 +133,7 @@ impl server::TokenStream for RustAnalyzer { let punct = tt::Punct { char: p.ch as char, spacing: if p.joint { Spacing::Joint } else { Spacing::Alone }, - id: p.span, + span: p.span, }; let leaf = tt::Leaf::from(punct); let tree = TokenTree::from(leaf); @@ -184,7 +187,7 @@ impl server::TokenStream for RustAnalyzer { bridge::TokenTree::Ident(bridge::Ident { sym: Symbol::intern(ident.text.trim_start_matches("r#")), is_raw: ident.text.starts_with("r#"), - span: ident.id, + span: ident.span, }) } tt::TokenTree::Leaf(tt::Leaf::Literal(lit)) => { @@ -194,14 +197,14 @@ impl server::TokenStream for RustAnalyzer { symbol: Symbol::intern(&lit.text), // FIXME: handle suffixes suffix: None, - span: lit.id, + span: lit.span, }) } tt::TokenTree::Leaf(tt::Leaf::Punct(punct)) => { bridge::TokenTree::Punct(bridge::Punct { ch: punct.char as u8, joint: punct.spacing == Spacing::Joint, - span: punct.id, + span: punct.span, }) } tt::TokenTree::Subtree(subtree) => bridge::TokenTree::Group(bridge::Group { @@ -211,31 +214,29 @@ impl server::TokenStream for RustAnalyzer { } else { Some(subtree.token_trees.into_iter().collect()) }, - span: bridge::DelimSpan::from_single( - subtree.delimiter.map_or(Span::unspecified(), |del| del.id), - ), + span: bridge::DelimSpan::from_single(subtree.delimiter.open), }), }) .collect() } } -fn delim_to_internal(d: proc_macro::Delimiter) -> Option<tt::Delimiter> { +fn delim_to_internal(d: proc_macro::Delimiter) -> tt::Delimiter { let kind = match d { proc_macro::Delimiter::Parenthesis => tt::DelimiterKind::Parenthesis, proc_macro::Delimiter::Brace => tt::DelimiterKind::Brace, proc_macro::Delimiter::Bracket => tt::DelimiterKind::Bracket, - proc_macro::Delimiter::None => return None, + proc_macro::Delimiter::None => tt::DelimiterKind::Invisible, }; - Some(tt::Delimiter { id: tt::TokenId::unspecified(), kind }) + tt::Delimiter { open: tt::TokenId::unspecified(), close: tt::TokenId::unspecified(), kind } } -fn delim_to_external(d: Option<tt::Delimiter>) -> proc_macro::Delimiter { - match d.map(|it| it.kind) { - Some(tt::DelimiterKind::Parenthesis) => proc_macro::Delimiter::Parenthesis, - Some(tt::DelimiterKind::Brace) => proc_macro::Delimiter::Brace, - Some(tt::DelimiterKind::Bracket) => proc_macro::Delimiter::Bracket, - None => proc_macro::Delimiter::None, +fn delim_to_external(d: tt::Delimiter) -> proc_macro::Delimiter { + match d.kind { + tt::DelimiterKind::Parenthesis => proc_macro::Delimiter::Parenthesis, + tt::DelimiterKind::Brace => proc_macro::Delimiter::Brace, + tt::DelimiterKind::Bracket => proc_macro::Delimiter::Bracket, + tt::DelimiterKind::Invisible => proc_macro::Delimiter::None, } } @@ -349,7 +350,7 @@ impl server::Server for RustAnalyzer { } fn intern_symbol(ident: &str) -> Self::Symbol { - Symbol::intern(&tt::SmolStr::from(ident)) + Symbol::intern(&::tt::SmolStr::from(ident)) } fn with_symbol_string(symbol: &Self::Symbol, f: impl FnOnce(&str)) { @@ -413,17 +414,18 @@ mod tests { token_trees: vec![ tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "struct".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "T".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })), tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Brace, - }), + }, token_trees: vec![], }), ], @@ -436,13 +438,14 @@ mod tests { fn test_ra_server_from_str() { use std::str::FromStr; let subtree_paren_a = tt::TokenTree::Subtree(tt::Subtree { - delimiter: Some(tt::Delimiter { - id: tt::TokenId::unspecified(), + delimiter: tt::Delimiter { + open: tt::TokenId::unspecified(), + close: tt::TokenId::unspecified(), kind: tt::DelimiterKind::Parenthesis, - }), + }, token_trees: vec![tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "a".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), }))], }); @@ -459,7 +462,7 @@ mod tests { underscore.token_trees[0], tt::TokenTree::Leaf(tt::Leaf::Ident(tt::Ident { text: "_".into(), - id: tt::TokenId::unspecified(), + span: tt::TokenId::unspecified(), })) ); } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs index 113bb52c1af..d091d431900 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/abi_sysroot/ra_server/token_stream.rs @@ -1,6 +1,6 @@ //! TokenStream implementation used by sysroot ABI -use tt::TokenTree; +use crate::tt::{self, TokenTree}; #[derive(Debug, Default, Clone)] pub struct TokenStream { @@ -13,7 +13,7 @@ impl TokenStream { } pub fn with_subtree(subtree: tt::Subtree) -> Self { - if subtree.delimiter.is_some() { + if subtree.delimiter.kind != tt::DelimiterKind::Invisible { TokenStream { token_trees: vec![TokenTree::Subtree(subtree)] } } else { TokenStream { token_trees: subtree.token_trees } @@ -21,7 +21,7 @@ impl TokenStream { } pub fn into_subtree(self) -> tt::Subtree { - tt::Subtree { delimiter: None, token_trees: self.token_trees } + tt::Subtree { delimiter: tt::Delimiter::UNSPECIFIED, token_trees: self.token_trees } } pub fn is_empty(&self) -> bool { @@ -64,7 +64,9 @@ impl Extend<TokenStream> for TokenStream { for item in streams { for tkn in item { match tkn { - tt::TokenTree::Subtree(subtree) if subtree.delimiter.is_none() => { + tt::TokenTree::Subtree(subtree) + if subtree.delimiter.kind == tt::DelimiterKind::Invisible => + { self.token_trees.extend(subtree.token_trees); } _ => { @@ -84,7 +86,7 @@ pub struct TokenStreamBuilder { pub mod token_stream { use std::str::FromStr; - use super::{TokenStream, TokenTree}; + use super::{tt, TokenStream, TokenTree}; /// An iterator over `TokenStream`'s `TokenTree`s. /// The iteration is "shallow", e.g., the iterator doesn't recurse into delimited groups, @@ -121,15 +123,17 @@ pub mod token_stream { impl ToString for TokenStream { fn to_string(&self) -> String { - tt::pretty(&self.token_trees) + ::tt::pretty(&self.token_trees) } } fn subtree_replace_token_ids_with_unspecified(subtree: tt::Subtree) -> tt::Subtree { tt::Subtree { - delimiter: subtree - .delimiter - .map(|d| tt::Delimiter { id: tt::TokenId::unspecified(), ..d }), + delimiter: tt::Delimiter { + open: tt::TokenId::UNSPECIFIED, + close: tt::TokenId::UNSPECIFIED, + ..subtree.delimiter + }, token_trees: subtree .token_trees .into_iter() @@ -152,13 +156,13 @@ pub mod token_stream { fn leaf_replace_token_ids_with_unspecified(leaf: tt::Leaf) -> tt::Leaf { match leaf { tt::Leaf::Literal(lit) => { - tt::Leaf::Literal(tt::Literal { id: tt::TokenId::unspecified(), ..lit }) + tt::Leaf::Literal(tt::Literal { span: tt::TokenId::unspecified(), ..lit }) } tt::Leaf::Punct(punct) => { - tt::Leaf::Punct(tt::Punct { id: tt::TokenId::unspecified(), ..punct }) + tt::Leaf::Punct(tt::Punct { span: tt::TokenId::unspecified(), ..punct }) } tt::Leaf::Ident(ident) => { - tt::Leaf::Ident(tt::Ident { id: tt::TokenId::unspecified(), ..ident }) + tt::Leaf::Ident(tt::Ident { span: tt::TokenId::unspecified(), ..ident }) } } } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs index 5b8aca4d816..04be39cffa4 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/abis/mod.rs @@ -23,7 +23,6 @@ //! for the relevant versions of the rust compiler //! -mod abi_1_58; mod abi_1_63; #[cfg(feature = "sysroot-abi")] mod abi_sysroot; @@ -36,13 +35,14 @@ include!(concat!(env!("OUT_DIR"), "/rustc_version.rs")); pub(crate) use abi_sysroot::TokenStream as TestTokenStream; use super::dylib::LoadProcMacroDylibError; -pub(crate) use abi_1_58::Abi as Abi_1_58; pub(crate) use abi_1_63::Abi as Abi_1_63; #[cfg(feature = "sysroot-abi")] pub(crate) use abi_sysroot::Abi as Abi_Sysroot; use libloading::Library; use proc_macro_api::{ProcMacroKind, RustCInfo}; +use crate::tt; + pub struct PanicMessage { message: Option<String>, } @@ -54,7 +54,6 @@ impl PanicMessage { } pub(crate) enum Abi { - Abi1_58(Abi_1_58), Abi1_63(Abi_1_63), #[cfg(feature = "sysroot-abi")] AbiSysroot(Abi_Sysroot), @@ -109,10 +108,6 @@ impl Abi { // FIXME: this should use exclusive ranges when they're stable // https://github.com/rust-lang/rust/issues/37854 match (info.version.0, info.version.1) { - (1, 58..=62) => { - let inner = unsafe { Abi_1_58::from_lib(lib, symbol_name) }?; - Ok(Abi::Abi1_58(inner)) - } (1, 63) => { let inner = unsafe { Abi_1_63::from_lib(lib, symbol_name) }?; Ok(Abi::Abi1_63(inner)) @@ -128,7 +123,6 @@ impl Abi { attributes: Option<&tt::Subtree>, ) -> Result<tt::Subtree, PanicMessage> { match self { - Self::Abi1_58(abi) => abi.expand(macro_name, macro_body, attributes), Self::Abi1_63(abi) => abi.expand(macro_name, macro_body, attributes), #[cfg(feature = "sysroot-abi")] Self::AbiSysroot(abi) => abi.expand(macro_name, macro_body, attributes), @@ -137,7 +131,6 @@ impl Abi { pub fn list_macros(&self) -> Vec<(String, ProcMacroKind)> { match self { - Self::Abi1_58(abi) => abi.list_macros(), Self::Abi1_63(abi) => abi.list_macros(), #[cfg(feature = "sysroot-abi")] Self::AbiSysroot(abi) => abi.list_macros(), diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs index f1e131c135d..05168feb629 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/cli.rs @@ -15,6 +15,9 @@ pub fn run() -> io::Result<()> { msg::Response::ListMacros(srv.list_macros(&dylib_path)) } msg::Request::ExpandMacro(task) => msg::Response::ExpandMacro(srv.expand(task)), + msg::Request::ApiVersionCheck {} => { + msg::Response::ApiVersionCheck(proc_macro_api::msg::CURRENT_API_VERSION) + } }; write_response(res)? } diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs index 0722cd89d72..89ffd1f493e 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/dylib.rs @@ -13,6 +13,8 @@ use object::Object; use paths::AbsPath; use proc_macro_api::{read_dylib_info, ProcMacroKind}; +use crate::tt; + use super::abis::Abi; const NEW_REGISTRAR_SYMBOL: &str = "_rustc_proc_macro_decls_"; diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs index 2eb939a7ce5..ee70fe7d4f5 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/lib.rs @@ -37,6 +37,8 @@ use proc_macro_api::{ ProcMacroKind, }; +use ::tt::token_id as tt; + #[derive(Default)] pub(crate) struct ProcMacroSrv { expanders: HashMap<(PathBuf, SystemTime), dylib::Expander>, diff --git a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs index 1ccc170f422..04a0ae7bc72 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs +++ b/src/tools/rust-analyzer/crates/proc-macro-srv/src/tests/mod.rs @@ -8,7 +8,7 @@ use expect_test::expect; #[test] fn test_derive_empty() { - assert_expand("DeriveEmpty", r#"struct S;"#, expect![[r#"SUBTREE $"#]]); + assert_expand("DeriveEmpty", r#"struct S;"#, expect!["SUBTREE $$ 4294967295 4294967295"]); } #[test] @@ -17,10 +17,10 @@ fn test_derive_error() { "DeriveError", r#"struct S;"#, expect![[r##" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT compile_error 4294967295 PUNCH ! [alone] 4294967295 - SUBTREE () 4294967295 + SUBTREE () 4294967295 4294967295 LITERAL "#[derive(DeriveError)] struct S ;" 4294967295 PUNCH ; [alone] 4294967295"##]], ); @@ -32,14 +32,14 @@ fn test_fn_like_macro_noop() { "fn_like_noop", r#"ident, 0, 1, []"#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT ident 4294967295 PUNCH , [alone] 4294967295 LITERAL 0 4294967295 PUNCH , [alone] 4294967295 LITERAL 1 4294967295 PUNCH , [alone] 4294967295 - SUBTREE [] 4294967295"#]], + SUBTREE [] 4294967295 4294967295"#]], ); } @@ -49,10 +49,10 @@ fn test_fn_like_macro_clone_ident_subtree() { "fn_like_clone_tokens", r#"ident, []"#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT ident 4294967295 PUNCH , [alone] 4294967295 - SUBTREE [] 4294967295"#]], + SUBTREE [] 4294967295 4294967295"#]], ); } @@ -62,7 +62,7 @@ fn test_fn_like_macro_clone_raw_ident() { "fn_like_clone_tokens", "r#async", expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT r#async 4294967295"#]], ); } @@ -73,7 +73,7 @@ fn test_fn_like_mk_literals() { "fn_like_mk_literals", r#""#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 LITERAL b"byte_string" 4294967295 LITERAL 'c' 4294967295 LITERAL "string" 4294967295 @@ -90,7 +90,7 @@ fn test_fn_like_mk_idents() { "fn_like_mk_idents", r#""#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT standard 4294967295 IDENT r#raw 4294967295"#]], ); @@ -102,7 +102,7 @@ fn test_fn_like_macro_clone_literals() { "fn_like_clone_tokens", r#"1u16, 2_u32, -4i64, 3.14f32, "hello bridge""#, expect![[r#" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 LITERAL 1u16 4294967295 PUNCH , [alone] 4294967295 LITERAL 2_u32 4294967295 @@ -126,10 +126,10 @@ fn test_attr_macro() { r#"mod m {}"#, r#"some arguments"#, expect![[r##" - SUBTREE $ + SUBTREE $$ 4294967295 4294967295 IDENT compile_error 4294967295 PUNCH ! [alone] 4294967295 - SUBTREE () 4294967295 + SUBTREE () 4294967295 4294967295 LITERAL "#[attr_error(some arguments)] mod m {}" 4294967295 PUNCH ; [alone] 4294967295"##]], ); diff --git a/src/tools/rust-analyzer/crates/proc-macro-test/Cargo.toml b/src/tools/rust-analyzer/crates/proc-macro-test/Cargo.toml index d2a79f91074..77b4afd7d7e 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-test/Cargo.toml +++ b/src/tools/rust-analyzer/crates/proc-macro-test/Cargo.toml @@ -1,15 +1,20 @@ [package] name = "proc-macro-test" version = "0.0.0" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" publish = false +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true + [lib] doctest = false [build-dependencies] -proc-macro-test-impl = { path = "imp", version = "0.0.0" } -toolchain = { path = "../toolchain", version = "0.0.0" } cargo_metadata = "0.15.0" + +proc-macro-test-impl = { path = "imp", version = "0.0.0" } + +# local deps +toolchain.workspace = true diff --git a/src/tools/rust-analyzer/crates/proc-macro-test/imp/Cargo.toml b/src/tools/rust-analyzer/crates/proc-macro-test/imp/Cargo.toml index 1bd14070e90..2a36737cef0 100644 --- a/src/tools/rust-analyzer/crates/proc-macro-test/imp/Cargo.toml +++ b/src/tools/rust-analyzer/crates/proc-macro-test/imp/Cargo.toml @@ -3,7 +3,6 @@ name = "proc-macro-test-impl" version = "0.0.0" license = "MIT OR Apache-2.0" edition = "2021" -rust-version = "1.65" publish = false [lib] diff --git a/src/tools/rust-analyzer/crates/profile/Cargo.toml b/src/tools/rust-analyzer/crates/profile/Cargo.toml index 01d1735bf78..6273ea51db8 100644 --- a/src/tools/rust-analyzer/crates/profile/Cargo.toml +++ b/src/tools/rust-analyzer/crates/profile/Cargo.toml @@ -2,15 +2,17 @@ name = "profile" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false [dependencies] -once_cell = "1.15.0" +once_cell = "1.17.0" cfg-if = "1.0.0" libc = "0.2.135" la-arena = { version = "0.3.0", path = "../../lib/la-arena" } diff --git a/src/tools/rust-analyzer/crates/profile/src/lib.rs b/src/tools/rust-analyzer/crates/profile/src/lib.rs index 7ca3c7d6295..e7fc3d970bf 100644 --- a/src/tools/rust-analyzer/crates/profile/src/lib.rs +++ b/src/tools/rust-analyzer/crates/profile/src/lib.rs @@ -26,7 +26,7 @@ pub use countme::Count; thread_local!(static IN_SCOPE: RefCell<bool> = RefCell::new(false)); -/// Allows to check if the current code is withing some dynamic scope, can be +/// Allows to check if the current code is within some dynamic scope, can be /// useful during debugging to figure out why a function is called. pub struct Scope { prev: bool, diff --git a/src/tools/rust-analyzer/crates/project-model/Cargo.toml b/src/tools/rust-analyzer/crates/project-model/Cargo.toml index 39902a53214..22d6a6e7895 100644 --- a/src/tools/rust-analyzer/crates/project-model/Cargo.toml +++ b/src/tools/rust-analyzer/crates/project-model/Cargo.toml @@ -2,9 +2,11 @@ name = "project-model" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -19,12 +21,13 @@ serde_json = "1.0.86" anyhow = "1.0.62" la-arena = { version = "0.3.0", path = "../../lib/la-arena" } -cfg = { path = "../cfg", version = "0.0.0" } -base-db = { path = "../base-db", version = "0.0.0" } -toolchain = { path = "../toolchain", version = "0.0.0" } -paths = { path = "../paths", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } +# local deps +base-db.workspace = true +cfg.workspace = true +paths.workspace = true +profile.workspace = true +stdx.workspace = true +toolchain.workspace = true [dev-dependencies] expect-test = "1.4.0" diff --git a/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs b/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs index 467cf091787..fdc7859eb90 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/cargo_workspace.rs @@ -96,6 +96,7 @@ pub struct CargoConfig { pub target: Option<String>, /// Sysroot loading behavior pub sysroot: Option<RustcSource>, + pub sysroot_src: Option<AbsPathBuf>, /// rustc private crate source pub rustc_source: Option<RustcSource>, /// crates to disable `#[cfg(test)]` on diff --git a/src/tools/rust-analyzer/crates/project-model/src/lib.rs b/src/tools/rust-analyzer/crates/project-model/src/lib.rs index e2f09bad2de..9b6a71db811 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/lib.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/lib.rs @@ -25,7 +25,7 @@ mod sysroot; mod workspace; mod rustc_cfg; mod build_scripts; -mod target_data_layout; +pub mod target_data_layout; #[cfg(test)] mod tests; diff --git a/src/tools/rust-analyzer/crates/project-model/src/project_json.rs b/src/tools/rust-analyzer/crates/project-model/src/project_json.rs index 9af0eafe9fd..4b2448e47f1 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/project_json.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/project_json.rs @@ -4,6 +4,50 @@ //! idea here is that people who do not use Cargo, can instead teach their build //! system to generate `rust-project.json` which can be ingested by //! rust-analyzer. +//! +//! This short file is a somewhat big conceptual piece of the architecture of +//! rust-analyzer, so it's worth elaborating on the underlying ideas and +//! motivation. +//! +//! For rust-analyzer to function, it needs some information about the project. +//! Specifically, it maintains an in-memory data structure which lists all the +//! crates (compilation units) and dependencies between them. This is necessary +//! a global singleton, as we do want, eg, find usages to always search across +//! the whole project, rather than just in the "current" crate. +//! +//! Normally, we get this "crate graph" by calling `cargo metadata +//! --message-format=json` for each cargo workspace and merging results. This +//! works for your typical cargo project, but breaks down for large folks who +//! have a monorepo with an infinite amount of Rust code which is built with bazel or +//! some such. +//! +//! To support this use case, we need to make _something_ configurable. To avoid +//! a [midlayer mistake](https://lwn.net/Articles/336262/), we allow configuring +//! the lowest possible layer. `ProjectJson` is essentially a hook to just set +//! that global singleton in-memory data structure. It is optimized for power, +//! not for convenience (you'd be using cargo anyway if you wanted nice things, +//! right? :) +//! +//! `rust-project.json` also isn't necessary a file. Architecturally, we support +//! any convenient way to specify this data, which today is: +//! +//! * file on disk +//! * a field in the config (ie, you can send a JSON request with the contents +//! of rust-project.json to rust-analyzer, no need to write anything to disk) +//! +//! Another possible thing we don't do today, but which would be totally valid, +//! is to add an extension point to VS Code extension to register custom +//! project. +//! +//! In general, it is assumed that if you are going to use `rust-project.json`, +//! you'd write a fair bit of custom code gluing your build system to ra through +//! this JSON format. This logic can take form of a VS Code extension, or a +//! proxy process which injects data into "configure" LSP request, or maybe just +//! a simple build system rule to generate the file. +//! +//! In particular, the logic for lazily loading parts of the monorepo as the +//! user explores them belongs to that extension (it's totally valid to change +//! rust-project.json over time via configuration request!) use std::path::PathBuf; diff --git a/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs b/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs index 8d5ab0061e5..328d2fbcf31 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/sysroot.rs @@ -7,6 +7,7 @@ use std::{env, fs, iter, ops, path::PathBuf, process::Command}; use anyhow::{format_err, Result}; +use base_db::CrateName; use la_arena::{Arena, Idx}; use paths::{AbsPath, AbsPathBuf}; use rustc_hash::FxHashMap; @@ -50,14 +51,16 @@ impl Sysroot { &self.src_root } - pub fn public_deps(&self) -> impl Iterator<Item = (&'static str, SysrootCrate, bool)> + '_ { + pub fn public_deps(&self) -> impl Iterator<Item = (CrateName, SysrootCrate, bool)> + '_ { // core is added as a dependency before std in order to // mimic rustcs dependency order ["core", "alloc", "std"] .into_iter() .zip(iter::repeat(true)) .chain(iter::once(("test", false))) - .filter_map(move |(name, prelude)| Some((name, self.by_name(name)?, prelude))) + .filter_map(move |(name, prelude)| { + Some((CrateName::new(name).unwrap(), self.by_name(name)?, prelude)) + }) } pub fn proc_macro(&self) -> Option<SysrootCrate> { @@ -67,8 +70,13 @@ impl Sysroot { pub fn crates(&self) -> impl Iterator<Item = SysrootCrate> + ExactSizeIterator + '_ { self.crates.iter().map(|(id, _data)| id) } + + pub fn is_empty(&self) -> bool { + self.crates.is_empty() + } } +// FIXME: Expose a builder api as loading the sysroot got way too modular and complicated. impl Sysroot { /// Attempts to discover the toolchain's sysroot from the given `dir`. pub fn discover(dir: &AbsPath, extra_env: &FxHashMap<String, String>) -> Result<Sysroot> { @@ -76,8 +84,17 @@ impl Sysroot { let sysroot_dir = discover_sysroot_dir(dir, extra_env)?; let sysroot_src_dir = discover_sysroot_src_dir_or_add_component(&sysroot_dir, dir, extra_env)?; - let res = Sysroot::load(sysroot_dir, sysroot_src_dir)?; - Ok(res) + Ok(Sysroot::load(sysroot_dir, sysroot_src_dir)) + } + + pub fn discover_with_src_override( + dir: &AbsPath, + extra_env: &FxHashMap<String, String>, + src: AbsPathBuf, + ) -> Result<Sysroot> { + tracing::debug!("discovering sysroot for {}", dir.display()); + let sysroot_dir = discover_sysroot_dir(dir, extra_env)?; + Ok(Sysroot::load(sysroot_dir, src)) } pub fn discover_rustc( @@ -94,11 +111,10 @@ impl Sysroot { let sysroot_src_dir = discover_sysroot_src_dir(&sysroot_dir).ok_or_else(|| { format_err!("can't load standard library from sysroot {}", sysroot_dir.display()) })?; - let res = Sysroot::load(sysroot_dir, sysroot_src_dir)?; - Ok(res) + Ok(Sysroot::load(sysroot_dir, sysroot_src_dir)) } - pub fn load(sysroot_dir: AbsPathBuf, sysroot_src_dir: AbsPathBuf) -> Result<Sysroot> { + pub fn load(sysroot_dir: AbsPathBuf, sysroot_src_dir: AbsPathBuf) -> Sysroot { let mut sysroot = Sysroot { root: sysroot_dir, src_root: sysroot_src_dir, crates: Arena::default() }; @@ -149,14 +165,14 @@ impl Sysroot { } else { "" }; - anyhow::bail!( + tracing::error!( "could not find libcore in sysroot path `{}`{}", sysroot.src_root.as_path().display(), var_note, ); } - Ok(sysroot) + sysroot } fn by_name(&self, name: &str) -> Option<SysrootCrate> { diff --git a/src/tools/rust-analyzer/crates/project-model/src/target_data_layout.rs b/src/tools/rust-analyzer/crates/project-model/src/target_data_layout.rs index 40cf47c3f55..42c06ad0ed3 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/target_data_layout.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/target_data_layout.rs @@ -1,15 +1,16 @@ //! Runs `rustc --print target-spec-json` to get the target_data_layout. use std::process::Command; +use anyhow::Result; use rustc_hash::FxHashMap; use crate::{utf8_stdout, ManifestPath}; -pub(super) fn get( +pub fn get( cargo_toml: Option<&ManifestPath>, target: Option<&str>, extra_env: &FxHashMap<String, String>, -) -> Option<String> { +) -> Result<String> { let output = (|| { if let Some(cargo_toml) = cargo_toml { let mut cmd = Command::new(toolchain::rustc()); @@ -28,13 +29,13 @@ pub(super) fn get( // using unstable cargo features failed, fall back to using plain rustc let mut cmd = Command::new(toolchain::rustc()); cmd.envs(extra_env) - .args(["-Z", "unstable-options", "rustc", "--print", "target-spec-json"]) + .args(["-Z", "unstable-options", "--print", "target-spec-json"]) .env("RUSTC_BOOTSTRAP", "1"); if let Some(target) = target { cmd.args(["--target", target]); } utf8_stdout(cmd) - })() - .ok()?; - Some(output.split_once(r#""data-layout": ""#)?.1.split_once('"')?.0.to_owned()) + })()?; + (|| Some(output.split_once(r#""data-layout": ""#)?.1.split_once('"')?.0.to_owned()))() + .ok_or_else(|| anyhow::format_err!("could not fetch target-spec-json from command output")) } diff --git a/src/tools/rust-analyzer/crates/project-model/src/tests.rs b/src/tools/rust-analyzer/crates/project-model/src/tests.rs index 2bb9ebf998b..9e9691d11e8 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/tests.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/tests.rs @@ -29,7 +29,7 @@ fn load_cargo_with_overrides(file: &str, cfg_overrides: CfgOverrides) -> CrateGr rustc_cfg: Vec::new(), cfg_overrides, toolchain: None, - target_layout: None, + target_layout: Err("target_data_layout not loaded".into()), }; to_crate_graph(project_workspace) } @@ -81,7 +81,7 @@ fn get_fake_sysroot() -> Sysroot { // fake sysroot, so we give them both the same path: let sysroot_dir = AbsPathBuf::assert(sysroot_path); let sysroot_src_dir = sysroot_dir.clone(); - Sysroot::load(sysroot_dir, sysroot_src_dir).unwrap() + Sysroot::load(sysroot_dir, sysroot_src_dir) } fn rooted_project_json(data: ProjectJsonData) -> ProjectJson { @@ -151,7 +151,9 @@ fn cargo_hello_world_project_model_with_wildcard_overrides() { "debug_assertions", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -221,7 +223,9 @@ fn cargo_hello_world_project_model_with_wildcard_overrides() { "debug_assertions", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -300,7 +304,9 @@ fn cargo_hello_world_project_model_with_wildcard_overrides() { "debug_assertions", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -379,7 +385,9 @@ fn cargo_hello_world_project_model_with_wildcard_overrides() { "debug_assertions", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -467,7 +475,9 @@ fn cargo_hello_world_project_model_with_wildcard_overrides() { "feature=use_std", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -553,7 +563,9 @@ fn cargo_hello_world_project_model_with_selective_overrides() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -625,7 +637,9 @@ fn cargo_hello_world_project_model_with_selective_overrides() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -706,7 +720,9 @@ fn cargo_hello_world_project_model_with_selective_overrides() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -787,7 +803,9 @@ fn cargo_hello_world_project_model_with_selective_overrides() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -875,7 +893,9 @@ fn cargo_hello_world_project_model_with_selective_overrides() { "feature=use_std", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -952,7 +972,9 @@ fn cargo_hello_world_project_model() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -1024,7 +1046,9 @@ fn cargo_hello_world_project_model() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -1105,7 +1129,9 @@ fn cargo_hello_world_project_model() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -1186,7 +1212,9 @@ fn cargo_hello_world_project_model() { "test", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -1274,7 +1302,9 @@ fn cargo_hello_world_project_model() { "feature=use_std", ], ), - target_layout: None, + target_layout: Err( + "target_data_layout not loaded", + ), env: Env { entries: { "CARGO_PKG_LICENSE": "", @@ -1327,7 +1357,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 1, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1343,7 +1373,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1372,7 +1404,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 2, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1388,7 +1420,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1407,7 +1441,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 3, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1423,7 +1457,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1442,7 +1478,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 4, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1458,7 +1494,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1477,7 +1515,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 5, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1493,7 +1531,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1522,7 +1562,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 6, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1538,7 +1578,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1557,7 +1599,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 7, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1573,7 +1615,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1665,7 +1709,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 8, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1681,7 +1725,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1700,7 +1746,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 9, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1716,7 +1762,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1735,7 +1783,7 @@ fn rust_project_hello_world_project_model() { root_file_id: FileId( 10, ), - edition: Edition2018, + edition: Edition2021, version: None, display_name: Some( CrateDisplayName { @@ -1751,7 +1799,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, @@ -1786,7 +1836,9 @@ fn rust_project_hello_world_project_model() { potential_cfg_options: CfgOptions( [], ), - target_layout: None, + target_layout: Err( + "rust-project.json projects have no target layout set", + ), env: Env { entries: {}, }, diff --git a/src/tools/rust-analyzer/crates/project-model/src/workspace.rs b/src/tools/rust-analyzer/crates/project-model/src/workspace.rs index e2382aa37e8..2a11f1e8eb8 100644 --- a/src/tools/rust-analyzer/crates/project-model/src/workspace.rs +++ b/src/tools/rust-analyzer/crates/project-model/src/workspace.rs @@ -7,7 +7,7 @@ use std::{collections::VecDeque, fmt, fs, process::Command, sync::Arc}; use anyhow::{format_err, Context, Result}; use base_db::{ CrateDisplayName, CrateGraph, CrateId, CrateName, CrateOrigin, Dependency, Edition, Env, - FileId, LangCrateOrigin, ProcMacroLoadResult, + FileId, LangCrateOrigin, ProcMacroLoadResult, TargetLayoutLoadResult, }; use cfg::{CfgDiff, CfgOptions}; use paths::{AbsPath, AbsPathBuf}; @@ -63,7 +63,7 @@ pub struct PackageRoot { pub exclude: Vec<AbsPathBuf>, } -#[derive(Clone, Eq, PartialEq)] +#[derive(Clone)] pub enum ProjectWorkspace { /// Project workspace was discovered by running `cargo metadata` and `rustc --print sysroot`. Cargo { @@ -79,11 +79,10 @@ pub enum ProjectWorkspace { rustc_cfg: Vec<CfgFlag>, cfg_overrides: CfgOverrides, toolchain: Option<Version>, - target_layout: Option<String>, + target_layout: Result<String, String>, }, /// Project workspace was manually specified using a `rust-project.json` file. Json { project: ProjectJson, sysroot: Option<Sysroot>, rustc_cfg: Vec<CfgFlag> }, - // FIXME: The primary limitation of this approach is that the set of detached files needs to be fixed at the beginning. // That's not the end user experience we should strive for. // Ideally, you should be able to just open a random detached file in existing cargo projects, and get the basic features working. @@ -163,7 +162,7 @@ impl ProjectWorkspace { project_json, config.target.as_deref(), &config.extra_env, - )? + ) } ProjectManifest::CargoToml(cargo_toml) => { let cargo_version = utf8_stdout({ @@ -191,24 +190,52 @@ impl ProjectWorkspace { })?; let cargo = CargoWorkspace::new(meta); - let sysroot = match &config.sysroot { - Some(RustcSource::Path(path)) => { - Some(Sysroot::with_sysroot_dir(path.clone()).with_context(|| { - format!("Failed to find sysroot at {}.", path.display()) - })?) + let sysroot = match (&config.sysroot, &config.sysroot_src) { + (Some(RustcSource::Path(path)), None) => { + match Sysroot::with_sysroot_dir(path.clone()) { + Ok(it) => Some(it), + Err(e) => { + tracing::error!(%e, "Failed to find sysroot at {}.", path.display()); + None + } + } } - Some(RustcSource::Discover) => Some( - Sysroot::discover(cargo_toml.parent(), &config.extra_env).with_context( - || { - format!( - "Failed to find sysroot for Cargo.toml file {}. Is rust-src installed?", - cargo_toml.display() - ) - }, - )?, - ), - None => None, + (Some(RustcSource::Discover), None) => { + match Sysroot::discover(cargo_toml.parent(), &config.extra_env) { + Ok(it) => Some(it), + Err(e) => { + tracing::error!( + %e, + "Failed to find sysroot for Cargo.toml file {}. Is rust-src installed?", + cargo_toml.display() + ); + None + } + } + } + (Some(RustcSource::Path(sysroot)), Some(sysroot_src)) => { + Some(Sysroot::load(sysroot.clone(), sysroot_src.clone())) + } + (Some(RustcSource::Discover), Some(sysroot_src)) => { + match Sysroot::discover_with_src_override( + cargo_toml.parent(), + &config.extra_env, + sysroot_src.clone(), + ) { + Ok(it) => Some(it), + Err(e) => { + tracing::error!( + %e, + "Failed to find sysroot for Cargo.toml file {}. Is rust-src installed?", + cargo_toml.display() + ); + None + } + } + } + (None, _) => None, }; + if let Some(sysroot) = &sysroot { tracing::info!(src_root = %sysroot.src_root().display(), root = %sysroot.root().display(), "Using sysroot"); } @@ -225,18 +252,22 @@ impl ProjectWorkspace { } let rustc = match rustc_dir { - Some(rustc_dir) => Some({ - let meta = CargoWorkspace::fetch_metadata( - &rustc_dir, - cargo_toml.parent(), - config, - progress, - ) - .with_context(|| { - "Failed to read Cargo metadata for Rust sources".to_string() - })?; - CargoWorkspace::new(meta) - }), + Some(rustc_dir) => match CargoWorkspace::fetch_metadata( + &rustc_dir, + cargo_toml.parent(), + config, + progress, + ) { + Ok(meta) => Some(CargoWorkspace::new(meta)), + Err(e) => { + tracing::error!( + %e, + "Failed to read Cargo metadata from rustc source at {}", + rustc_dir.display() + ); + None + } + }, None => None, }; @@ -249,6 +280,9 @@ impl ProjectWorkspace { config.target.as_deref(), &config.extra_env, ); + if let Err(e) = &data_layout { + tracing::error!(%e, "failed fetching data layout for {cargo_toml:?} workspace"); + } ProjectWorkspace::Cargo { cargo, build_scripts: WorkspaceBuildScripts::default(), @@ -257,7 +291,7 @@ impl ProjectWorkspace { rustc_cfg, cfg_overrides, toolchain, - target_layout: data_layout, + target_layout: data_layout.map_err(|it| it.to_string()), } } }; @@ -269,15 +303,14 @@ impl ProjectWorkspace { project_json: ProjectJson, target: Option<&str>, extra_env: &FxHashMap<String, String>, - ) -> Result<ProjectWorkspace> { + ) -> ProjectWorkspace { let sysroot = match (project_json.sysroot.clone(), project_json.sysroot_src.clone()) { - (Some(sysroot), Some(sysroot_src)) => Some(Sysroot::load(sysroot, sysroot_src)?), + (Some(sysroot), Some(sysroot_src)) => Some(Sysroot::load(sysroot, sysroot_src)), (Some(sysroot), None) => { // assume sysroot is structured like rustup's and guess `sysroot_src` let sysroot_src = sysroot.join("lib").join("rustlib").join("src").join("rust").join("library"); - - Some(Sysroot::load(sysroot, sysroot_src)?) + Some(Sysroot::load(sysroot, sysroot_src)) } (None, Some(sysroot_src)) => { // assume sysroot is structured like rustup's and guess `sysroot` @@ -285,7 +318,7 @@ impl ProjectWorkspace { for _ in 0..5 { sysroot.pop(); } - Some(Sysroot::load(sysroot, sysroot_src)?) + Some(Sysroot::load(sysroot, sysroot_src)) } (None, None) => None, }; @@ -294,7 +327,7 @@ impl ProjectWorkspace { } let rustc_cfg = rustc_cfg::get(None, target, extra_env); - Ok(ProjectWorkspace::Json { project: project_json, sysroot, rustc_cfg }) + ProjectWorkspace::Json { project: project_json, sysroot, rustc_cfg } } pub fn load_detached_files( @@ -302,18 +335,29 @@ impl ProjectWorkspace { config: &CargoConfig, ) -> Result<ProjectWorkspace> { let sysroot = match &config.sysroot { - Some(RustcSource::Path(path)) => Some( - Sysroot::with_sysroot_dir(path.clone()) - .with_context(|| format!("Failed to find sysroot at {}.", path.display()))?, - ), + Some(RustcSource::Path(path)) => match Sysroot::with_sysroot_dir(path.clone()) { + Ok(it) => Some(it), + Err(e) => { + tracing::error!(%e, "Failed to find sysroot at {}.", path.display()); + None + } + }, Some(RustcSource::Discover) => { let dir = &detached_files .first() .and_then(|it| it.parent()) .ok_or_else(|| format_err!("No detached files to load"))?; - Some(Sysroot::discover(dir, &config.extra_env).with_context(|| { - format!("Failed to find sysroot in {}. Is rust-src installed?", dir.display()) - })?) + match Sysroot::discover(dir, &config.extra_env) { + Ok(it) => Some(it), + Err(e) => { + tracing::error!( + %e, + "Failed to find sysroot for {}. Is rust-src installed?", + dir.display() + ); + None + } + } } None => None, }; @@ -366,7 +410,7 @@ impl ProjectWorkspace { _ => None, }) .collect(); - let ref mut outputs = match WorkspaceBuildScripts::run_once(config, &cargo_ws, progress) { + let outputs = &mut match WorkspaceBuildScripts::run_once(config, &cargo_ws, progress) { Ok(it) => Ok(it.into_iter()), // io::Error is not Clone? Err(e) => Err(Arc::new(e)), @@ -417,9 +461,11 @@ impl ProjectWorkspace { /// The return type contains the path and whether or not /// the root is a member of the current workspace pub fn to_roots(&self) -> Vec<PackageRoot> { - let mk_sysroot = |sysroot: Option<&Sysroot>| { + let mk_sysroot = |sysroot: Option<&Sysroot>, project_root: Option<&AbsPath>| { sysroot.map(|sysroot| PackageRoot { - is_local: false, + // mark the sysroot as mutable if it is located inside of the project + is_local: project_root + .map_or(false, |project_root| sysroot.src_root().starts_with(project_root)), include: vec![sysroot.src_root().to_path_buf()], exclude: Vec::new(), }) @@ -434,7 +480,7 @@ impl ProjectWorkspace { }) .collect::<FxHashSet<_>>() .into_iter() - .chain(mk_sysroot(sysroot.as_ref())) + .chain(mk_sysroot(sysroot.as_ref(), Some(project.path()))) .collect::<Vec<_>>(), ProjectWorkspace::Cargo { cargo, @@ -484,7 +530,7 @@ impl ProjectWorkspace { } PackageRoot { is_local, include, exclude } }) - .chain(mk_sysroot(sysroot.as_ref())) + .chain(mk_sysroot(sysroot.as_ref(), Some(cargo.workspace_root()))) .chain(rustc.iter().flat_map(|rustc| { rustc.packages().map(move |krate| PackageRoot { is_local: false, @@ -501,7 +547,7 @@ impl ProjectWorkspace { include: vec![detached_file.clone()], exclude: Vec::new(), }) - .chain(mk_sysroot(sysroot.as_ref())) + .chain(mk_sysroot(sysroot.as_ref(), None)) .collect(), } } @@ -538,9 +584,9 @@ impl ProjectWorkspace { load_proc_macro, load, project, - sysroot, + sysroot.as_ref(), extra_env, - None, + Err("rust-project.json projects have no target layout set".into()), ), ProjectWorkspace::Cargo { cargo, @@ -560,10 +606,19 @@ impl ProjectWorkspace { rustc_cfg.clone(), cfg_overrides, build_scripts, - target_layout.as_deref().map(Arc::from), + match target_layout.as_ref() { + Ok(it) => Ok(Arc::from(it.as_str())), + Err(it) => Err(Arc::from(it.as_str())), + }, ), ProjectWorkspace::DetachedFiles { files, sysroot, rustc_cfg } => { - detached_files_to_crate_graph(rustc_cfg.clone(), load, files, sysroot, None) + detached_files_to_crate_graph( + rustc_cfg.clone(), + load, + files, + sysroot, + Err("detached file projects have no target layout set".into()), + ) } }; if crate_graph.patch_cfg_if() { @@ -573,6 +628,49 @@ impl ProjectWorkspace { } crate_graph } + + pub fn eq_ignore_build_data(&self, other: &Self) -> bool { + match (self, other) { + ( + Self::Cargo { + cargo, + sysroot, + rustc, + rustc_cfg, + cfg_overrides, + toolchain, + build_scripts: _, + target_layout: _, + }, + Self::Cargo { + cargo: o_cargo, + sysroot: o_sysroot, + rustc: o_rustc, + rustc_cfg: o_rustc_cfg, + cfg_overrides: o_cfg_overrides, + toolchain: o_toolchain, + build_scripts: _, + target_layout: _, + }, + ) => { + cargo == o_cargo + && rustc == o_rustc + && rustc_cfg == o_rustc_cfg + && cfg_overrides == o_cfg_overrides + && toolchain == o_toolchain + && sysroot == o_sysroot + } + ( + Self::Json { project, sysroot, rustc_cfg }, + Self::Json { project: o_project, sysroot: o_sysroot, rustc_cfg: o_rustc_cfg }, + ) => project == o_project && rustc_cfg == o_rustc_cfg && sysroot == o_sysroot, + ( + Self::DetachedFiles { files, sysroot, rustc_cfg }, + Self::DetachedFiles { files: o_files, sysroot: o_sysroot, rustc_cfg: o_rustc_cfg }, + ) => files == o_files && sysroot == o_sysroot && rustc_cfg == o_rustc_cfg, + _ => false, + } + } } fn project_json_to_crate_graph( @@ -580,9 +678,9 @@ fn project_json_to_crate_graph( load_proc_macro: &mut dyn FnMut(&str, &AbsPath) -> ProcMacroLoadResult, load: &mut dyn FnMut(&AbsPath) -> Option<FileId>, project: &ProjectJson, - sysroot: &Option<Sysroot>, + sysroot: Option<&Sysroot>, extra_env: &FxHashMap<String, String>, - target_layout: Option<Arc<str>>, + target_layout: TargetLayoutLoadResult, ) -> CrateGraph { let mut crate_graph = CrateGraph::default(); let sysroot_deps = sysroot.as_ref().map(|sysroot| { @@ -686,7 +784,7 @@ fn cargo_to_crate_graph( rustc_cfg: Vec<CfgFlag>, override_cfg: &CfgOverrides, build_scripts: &WorkspaceBuildScripts, - target_layout: Option<Arc<str>>, + target_layout: TargetLayoutLoadResult, ) -> CrateGraph { let _p = profile::span("cargo_to_crate_graph"); let mut crate_graph = CrateGraph::default(); @@ -852,7 +950,7 @@ fn detached_files_to_crate_graph( load: &mut dyn FnMut(&AbsPath) -> Option<FileId>, detached_files: &[AbsPathBuf], sysroot: &Option<Sysroot>, - target_layout: Option<Arc<str>>, + target_layout: TargetLayoutLoadResult, ) -> CrateGraph { let _p = profile::span("detached_files_to_crate_graph"); let mut crate_graph = CrateGraph::default(); @@ -917,7 +1015,7 @@ fn handle_rustc_crates( cfg_options: &CfgOptions, override_cfg: &CfgOverrides, build_scripts: &WorkspaceBuildScripts, - target_layout: Option<Arc<str>>, + target_layout: TargetLayoutLoadResult, ) { let mut rustc_pkg_crates = FxHashMap::default(); // The root package of the rustc-dev component is rustc_driver, so we match that @@ -1039,7 +1137,7 @@ fn add_target_crate_root( file_id: FileId, cargo_name: &str, is_proc_macro: bool, - target_layout: Option<Arc<str>>, + target_layout: TargetLayoutLoadResult, ) -> CrateId { let edition = pkg.edition; let mut potential_cfg_options = cfg_options.clone(); @@ -1108,7 +1206,7 @@ fn sysroot_to_crate_graph( crate_graph: &mut CrateGraph, sysroot: &Sysroot, rustc_cfg: Vec<CfgFlag>, - target_layout: Option<Arc<str>>, + target_layout: TargetLayoutLoadResult, load: &mut dyn FnMut(&AbsPath) -> Option<FileId>, ) -> (SysrootPublicDeps, Option<CrateId>) { let _p = profile::span("sysroot_to_crate_graph"); @@ -1150,9 +1248,7 @@ fn sysroot_to_crate_graph( let public_deps = SysrootPublicDeps { deps: sysroot .public_deps() - .map(|(name, idx, prelude)| { - (CrateName::new(name).unwrap(), sysroot_crates[&idx], prelude) - }) + .map(|(name, idx, prelude)| (name, sysroot_crates[&idx], prelude)) .collect::<Vec<_>>(), }; diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml b/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml index 56f14fe1874..e3aa880d005 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml +++ b/src/tools/rust-analyzer/crates/rust-analyzer/Cargo.toml @@ -1,14 +1,15 @@ [package] name = "rust-analyzer" version = "0.0.0" -authors = ["rust-analyzer Team"] homepage = "https://github.com/rust-analyzer/rust-analyzer" description = "A language server for the Rust programming language" documentation = "https://rust-analyzer.github.io/manual.html" -license = "MIT OR Apache-2.0" autobins = false -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -31,8 +32,8 @@ rustc-hash = "1.1.0" serde = { version = "1.0.137", features = ["derive"] } serde_json = { version = "1.0.81", features = ["preserve_order"] } threadpool = "1.8.1" -rayon = "1.5.3" -num_cpus = "1.13.1" +rayon = "1.6.1" +num_cpus = "1.15.0" mimalloc = { version = "0.1.30", default-features = false, optional = true } lsp-server = { version = "0.7.0", path = "../../lib/lsp-server" } tracing = "0.1.35" @@ -46,26 +47,25 @@ tracing-log = "0.1.3" tracing-tree = "0.2.1" always-assert = "0.1.2" -stdx = { path = "../stdx", version = "0.0.0" } -flycheck = { path = "../flycheck", version = "0.0.0" } -ide = { path = "../ide", version = "0.0.0" } -ide-db = { path = "../ide-db", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } -project-model = { path = "../project-model", version = "0.0.0" } -syntax = { path = "../syntax", version = "0.0.0" } -vfs = { path = "../vfs", version = "0.0.0" } -vfs-notify = { path = "../vfs-notify", version = "0.0.0" } -cfg = { path = "../cfg", version = "0.0.0" } -toolchain = { path = "../toolchain", version = "0.0.0" } -tt = { path = "../tt", version = "0.0.0" } -proc-macro-api = { path = "../proc-macro-api", version = "0.0.0" } - +cfg.workspace = true +flycheck.workspace = true +hir-def.workspace = true +hir-ty.workspace = true +hir.workspace = true +ide-db.workspace = true # This should only be used in CLI -ide-ssr = { path = "../ide-ssr", version = "0.0.0" } -hir = { path = "../hir", version = "0.0.0" } -hir-def = { path = "../hir-def", version = "0.0.0" } -hir-ty = { path = "../hir-ty", version = "0.0.0" } -proc-macro-srv = { path = "../proc-macro-srv", version = "0.0.0" } +ide-ssr.workspace = true +ide.workspace = true +proc-macro-api.workspace = true +proc-macro-srv.workspace = true +profile.workspace = true +project-model.workspace = true +stdx.workspace = true +syntax.workspace = true +toolchain.workspace = true +tt.workspace = true +vfs-notify.workspace = true +vfs.workspace = true [target.'cfg(windows)'.dependencies] winapi = "0.3.9" @@ -78,9 +78,9 @@ expect-test = "1.4.0" jod-thread = "0.1.2" xshell = "0.2.2" -test-utils = { path = "../test-utils" } -sourcegen = { path = "../sourcegen" } -mbe = { path = "../mbe" } +test-utils.workspace = true +sourcegen.workspace = true +mbe.workspace = true [features] jemalloc = ["jemallocator", "profile/jemalloc"] diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/bin/main.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/bin/main.rs index 53710749de3..4de022b6ed6 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/bin/main.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/bin/main.rs @@ -10,7 +10,6 @@ mod rustc_wrapper; use std::{env, fs, path::Path, process}; use lsp_server::Connection; -use project_model::ProjectManifest; use rust_analyzer::{cli::flags, config::Config, from_json, Result}; use vfs::AbsPathBuf; @@ -168,7 +167,18 @@ fn run_server() -> Result<()> { } }; - let mut config = Config::new(root_path, initialize_params.capabilities); + let workspace_roots = initialize_params + .workspace_folders + .map(|workspaces| { + workspaces + .into_iter() + .filter_map(|it| it.uri.to_file_path().ok()) + .filter_map(|it| AbsPathBuf::try_from(it).ok()) + .collect::<Vec<_>>() + }) + .filter(|workspaces| !workspaces.is_empty()) + .unwrap_or_else(|| vec![root_path.clone()]); + let mut config = Config::new(root_path, initialize_params.capabilities, workspace_roots); if let Some(json) = initialize_params.initialization_options { if let Err(e) = config.update(json) { use lsp_types::{ @@ -183,8 +193,6 @@ fn run_server() -> Result<()> { } } - config.client_specific_adjustments(&initialize_params.client_info); - let server_capabilities = rust_analyzer::server_capabilities(&config); let initialize_result = lsp_types::InitializeResult { @@ -204,25 +212,8 @@ fn run_server() -> Result<()> { tracing::info!("Client '{}' {}", client_info.name, client_info.version.unwrap_or_default()); } - if config.linked_projects().is_empty() && config.detached_files().is_empty() { - let workspace_roots = initialize_params - .workspace_folders - .map(|workspaces| { - workspaces - .into_iter() - .filter_map(|it| it.uri.to_file_path().ok()) - .filter_map(|it| AbsPathBuf::try_from(it).ok()) - .collect::<Vec<_>>() - }) - .filter(|workspaces| !workspaces.is_empty()) - .unwrap_or_else(|| vec![config.root_path().clone()]); - - let discovered = ProjectManifest::discover_all(&workspace_roots); - tracing::info!("discovered projects: {:?}", discovered); - if discovered.is_empty() { - tracing::error!("failed to find any projects in {:?}", workspace_roots); - } - config.discovered_projects = Some(discovered); + if !config.has_linked_projects() && config.detached_files().is_empty() { + config.rediscover_workspaces(); } rust_analyzer::main_loop(config, connection)?; diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs index 122d2e6ff1b..841861635c6 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/caps.rs @@ -10,7 +10,8 @@ use lsp_types::{ SemanticTokensFullOptions, SemanticTokensLegend, SemanticTokensOptions, ServerCapabilities, SignatureHelpOptions, TextDocumentSyncCapability, TextDocumentSyncKind, TextDocumentSyncOptions, TypeDefinitionProviderCapability, WorkDoneProgressOptions, - WorkspaceFileOperationsServerCapabilities, WorkspaceServerCapabilities, + WorkspaceFileOperationsServerCapabilities, WorkspaceFoldersServerCapabilities, + WorkspaceServerCapabilities, }; use serde_json::json; @@ -80,7 +81,10 @@ pub fn server_capabilities(config: &Config) -> ServerCapabilities { color_provider: None, execute_command_provider: None, workspace: Some(WorkspaceServerCapabilities { - workspace_folders: None, + workspace_folders: Some(WorkspaceFoldersServerCapabilities { + supported: Some(true), + change_notifications: Some(OneOf::Left(true)), + }), file_operations: Some(WorkspaceFileOperationsServerCapabilities { did_create: None, will_create: None, diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs index 053db5fc533..93297faa664 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/analysis_stats.rs @@ -15,7 +15,7 @@ use hir_def::{ expr::ExprId, FunctionId, }; -use hir_ty::{TyExt, TypeWalk}; +use hir_ty::{Interner, TyExt, TypeFlags}; use ide::{Analysis, AnalysisHost, LineCol, RootDatabase}; use ide_db::base_db::{ salsa::{self, debug::DebugQueryTable, ParallelDatabase}, @@ -33,7 +33,7 @@ use vfs::{AbsPathBuf, Vfs, VfsPath}; use crate::cli::{ flags::{self, OutputFormat}, - load_cargo::{load_workspace, LoadCargoConfig}, + load_cargo::{load_workspace, LoadCargoConfig, ProcMacroServerChoice}, print_memory_usage, progress_report::ProgressReport, report_metric, Result, Verbosity, @@ -59,11 +59,6 @@ impl flags::AnalysisStats { true => None, false => Some(RustcSource::Discover), }; - let load_cargo_config = LoadCargoConfig { - load_out_dirs_from_check: !self.disable_build_scripts, - with_proc_macro: !self.disable_proc_macros, - prefill_caches: false, - }; let no_progress = &|_| (); let mut db_load_sw = self.stop_watch(); @@ -73,6 +68,11 @@ impl flags::AnalysisStats { let mut workspace = ProjectWorkspace::load(manifest, &cargo_config, no_progress)?; let metadata_time = db_load_sw.elapsed(); + let load_cargo_config = LoadCargoConfig { + load_out_dirs_from_check: !self.disable_build_scripts, + with_proc_macro_server: ProcMacroServerChoice::Sysroot, + prefill_caches: false, + }; let build_scripts_time = if self.disable_build_scripts { None @@ -280,12 +280,8 @@ impl flags::AnalysisStats { } true } else { - let mut is_partially_unknown = false; - ty.walk(&mut |ty| { - if ty.is_unknown() { - is_partially_unknown = true; - } - }); + let is_partially_unknown = + ty.data(Interner).flags.contains(TypeFlags::HAS_ERROR); if is_partially_unknown { num_exprs_partially_unknown += 1; } diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/diagnostics.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/diagnostics.rs index fd5b3ce61f7..ff821be53d8 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/diagnostics.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/diagnostics.rs @@ -9,7 +9,7 @@ use ide_db::base_db::SourceDatabaseExt; use crate::cli::{ flags, - load_cargo::{load_workspace_at, LoadCargoConfig}, + load_cargo::{load_workspace_at, LoadCargoConfig, ProcMacroServerChoice}, }; impl flags::Diagnostics { @@ -17,7 +17,7 @@ impl flags::Diagnostics { let cargo_config = Default::default(); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: !self.disable_build_scripts, - with_proc_macro: !self.disable_proc_macros, + with_proc_macro_server: ProcMacroServerChoice::Sysroot, prefill_caches: false, }; let (host, _vfs, _proc_macro) = diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/load_cargo.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/load_cargo.rs index 762d7d3a18e..5a958d963e4 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/load_cargo.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/load_cargo.rs @@ -1,6 +1,6 @@ //! Loads a Cargo project into a static instance of analysis, without support //! for incorporating changes. -use std::{path::Path, sync::Arc}; +use std::{convert::identity, path::Path, sync::Arc}; use anyhow::Result; use crossbeam_channel::{unbounded, Receiver}; @@ -17,10 +17,17 @@ use crate::reload::{load_proc_macro, ProjectFolders, SourceRootConfig}; // what otherwise would be `pub(crate)` has to be `pub` here instead. pub struct LoadCargoConfig { pub load_out_dirs_from_check: bool, - pub with_proc_macro: bool, + pub with_proc_macro_server: ProcMacroServerChoice, pub prefill_caches: bool, } +#[derive(Debug, Clone, PartialEq, Eq)] +pub enum ProcMacroServerChoice { + Sysroot, + Explicit(AbsPathBuf, Vec<String>), + None, +} + // Note: Since this function is used by external tools that use rust-analyzer as a library // what otherwise would be `pub(crate)` has to be `pub` here instead. pub fn load_workspace_at( @@ -59,15 +66,17 @@ pub fn load_workspace( Box::new(loader) }; - let proc_macro_client = if load_config.with_proc_macro { - let (server_path, args): (_, &[_]) = match ws.find_sysroot_proc_macro_srv() { - Some(server_path) => (server_path, &[]), - None => (AbsPathBuf::assert(std::env::current_exe()?), &["proc-macro"]), - }; - - ProcMacroServer::spawn(server_path, args).map_err(|e| e.to_string()) - } else { - Err("proc macro server disabled".to_owned()) + let proc_macro_client = match &load_config.with_proc_macro_server { + ProcMacroServerChoice::Sysroot => ws + .find_sysroot_proc_macro_srv() + .ok_or_else(|| "failed to find sysroot proc-macro server".to_owned()) + .and_then(|it| { + ProcMacroServer::spawn(it, identity::<&[&str]>(&[])).map_err(|e| e.to_string()) + }), + ProcMacroServerChoice::Explicit(path, args) => { + ProcMacroServer::spawn(path.clone(), args).map_err(|e| e.to_string()) + } + ProcMacroServerChoice::None => Err("proc macro server disabled".to_owned()), }; let crate_graph = ws.to_crate_graph( @@ -157,7 +166,7 @@ mod tests { let cargo_config = CargoConfig::default(); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: false, - with_proc_macro: false, + with_proc_macro_server: ProcMacroServerChoice::None, prefill_caches: false, }; let (host, _vfs, _proc_macro) = diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs index af8356d041f..60a7f99ccdb 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/lsif.rs @@ -15,6 +15,7 @@ use lsp_types::{self, lsif}; use project_model::{CargoConfig, ProjectManifest, ProjectWorkspace}; use vfs::{AbsPathBuf, Vfs}; +use crate::cli::load_cargo::ProcMacroServerChoice; use crate::cli::{ flags, load_cargo::{load_workspace, LoadCargoConfig}, @@ -291,7 +292,7 @@ impl flags::Lsif { let no_progress = &|_| (); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: true, - with_proc_macro: true, + with_proc_macro_server: ProcMacroServerChoice::Sysroot, prefill_caches: false, }; let path = AbsPathBuf::assert(env::current_dir()?.join(&self.path)); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/scip.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/scip.rs index b050d1e95ac..9a04fbea774 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/scip.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/scip.rs @@ -5,7 +5,10 @@ use std::{ time::Instant, }; -use crate::line_index::{LineEndings, LineIndex, PositionEncoding}; +use crate::{ + cli::load_cargo::ProcMacroServerChoice, + line_index::{LineEndings, LineIndex, PositionEncoding}, +}; use hir::Name; use ide::{ LineCol, MonikerDescriptorKind, StaticIndex, StaticIndexedFile, TextRange, TokenId, @@ -31,7 +34,7 @@ impl flags::Scip { let no_progress = &|s| (eprintln!("rust-analyzer: Loading {s}")); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: true, - with_proc_macro: true, + with_proc_macro_server: ProcMacroServerChoice::Sysroot, prefill_caches: true, }; let path = vfs::AbsPathBuf::assert(env::current_dir()?.join(&self.path)); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/ssr.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/ssr.rs index 84c48917167..3552f840a1b 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/ssr.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/cli/ssr.rs @@ -5,7 +5,7 @@ use project_model::CargoConfig; use crate::cli::{ flags, - load_cargo::{load_workspace_at, LoadCargoConfig}, + load_cargo::{load_workspace_at, LoadCargoConfig, ProcMacroServerChoice}, Result, }; @@ -15,7 +15,7 @@ impl flags::Ssr { let cargo_config = CargoConfig::default(); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: true, - with_proc_macro: true, + with_proc_macro_server: ProcMacroServerChoice::Sysroot, prefill_caches: false, }; let (host, vfs, _proc_macro) = load_workspace_at( @@ -51,7 +51,7 @@ impl flags::Search { let cargo_config = CargoConfig::default(); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: true, - with_proc_macro: true, + with_proc_macro_server: ProcMacroServerChoice::Sysroot, prefill_caches: false, }; let (host, _vfs, _proc_macro) = load_workspace_at( diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs index b0afbdc9a42..be09938c2c4 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/config.rs @@ -20,7 +20,7 @@ use ide_db::{ SnippetCap, }; use itertools::Itertools; -use lsp_types::{ClientCapabilities, ClientInfo, MarkupKind}; +use lsp_types::{ClientCapabilities, MarkupKind}; use project_model::{ CargoConfig, CargoFeatures, ProjectJson, ProjectJsonData, ProjectManifest, RustcSource, UnsetTestCrates, @@ -117,6 +117,11 @@ config_data! { /// /// This option does not take effect until rust-analyzer is restarted. cargo_sysroot: Option<String> = "\"discover\"", + /// Relative path to the sysroot library sources. If left unset, this will default to + /// `{cargo.sysroot}/lib/rustlib/src/rust/library`. + /// + /// This option does not take effect until rust-analyzer is restarted. + cargo_sysrootSrc: Option<String> = "null", /// Compilation target override (target triple). // FIXME(@poliorcetics): move to multiple targets here too, but this will need more work // than `checkOnSave_target` @@ -195,6 +200,8 @@ config_data! { completion_autoself_enable: bool = "true", /// Whether to add parenthesis and argument snippets when completing function. completion_callable_snippets: CallableCompletionDef = "\"fill_arguments\"", + /// Maximum number of completions to return. If `None`, the limit is infinite. + completion_limit: Option<usize> = "null", /// Whether to show postfix snippets like `dbg`, `if`, `not`, etc. completion_postfix_enable: bool = "true", /// Enables completions of private items and fields that are defined in the current workspace even if they are not visible at the current position. @@ -342,8 +349,6 @@ config_data! { inlayHints_lifetimeElisionHints_enable: LifetimeElisionDef = "\"never\"", /// Whether to prefer using parameter names as the name for elided lifetime hints if possible. inlayHints_lifetimeElisionHints_useParameterNames: bool = "false", - /// Whether to use location links for parts of type mentioned in inlay hints. - inlayHints_locationLinks: bool = "true", /// Maximum length for inlay hints. Set to null to have an unlimited length. inlayHints_maxLength: Option<usize> = "25", /// Whether to show function parameter name inlay hints at the call @@ -521,6 +526,7 @@ impl Default for ConfigData { #[derive(Debug, Clone)] pub struct Config { pub discovered_projects: Option<Vec<ProjectManifest>>, + pub workspace_roots: Vec<AbsPathBuf>, caps: lsp_types::ClientCapabilities, root_path: AbsPathBuf, data: ConfigData, @@ -717,7 +723,11 @@ impl fmt::Display for ConfigUpdateError { } impl Config { - pub fn new(root_path: AbsPathBuf, caps: ClientCapabilities) -> Self { + pub fn new( + root_path: AbsPathBuf, + caps: ClientCapabilities, + workspace_roots: Vec<AbsPathBuf>, + ) -> Self { Config { caps, data: ConfigData::default(), @@ -725,20 +735,17 @@ impl Config { discovered_projects: None, root_path, snippets: Default::default(), + workspace_roots, } } - pub fn client_specific_adjustments(&mut self, client_info: &Option<ClientInfo>) { - // FIXME: remove this when we drop support for vscode 1.65 and below - if let Some(client) = client_info { - if client.name.contains("Code") || client.name.contains("Codium") { - if let Some(version) = &client.version { - if version.as_str() < "1.76" { - self.data.inlayHints_locationLinks = false; - } - } - } + pub fn rediscover_workspaces(&mut self) { + let discovered = ProjectManifest::discover_all(&self.workspace_roots); + tracing::info!("discovered projects: {:?}", discovered); + if discovered.is_empty() { + tracing::error!("failed to find any projects in {:?}", &self.workspace_roots); } + self.discovered_projects = Some(discovered); } pub fn update(&mut self, mut json: serde_json::Value) -> Result<(), ConfigUpdateError> { @@ -837,6 +844,9 @@ macro_rules! try_or_def { } impl Config { + pub fn has_linked_projects(&self) -> bool { + !self.data.linkedProjects.is_empty() + } pub fn linked_projects(&self) -> Vec<LinkedProject> { match self.data.linkedProjects.as_slice() { [] => match self.discovered_projects.as_ref() { @@ -1004,6 +1014,10 @@ impl Config { self.experimental("codeActionGroup") } + pub fn open_server_logs(&self) -> bool { + self.experimental("openServerLogs") + } + pub fn server_status_notification(&self) -> bool { self.experimental("serverStatusNotification") } @@ -1044,7 +1058,7 @@ impl Config { &self.data.cargo_extraEnv } - pub fn check_on_save_extra_env(&self) -> FxHashMap<String, String> { + pub fn check_extra_env(&self) -> FxHashMap<String, String> { let mut extra_env = self.data.cargo_extraEnv.clone(); extra_env.extend(self.data.check_extraEnv.clone()); extra_env @@ -1114,6 +1128,8 @@ impl Config { RustcSource::Path(self.root_path.join(sysroot)) } }); + let sysroot_src = + self.data.cargo_sysrootSrc.as_ref().map(|sysroot| self.root_path.join(sysroot)); CargoConfig { features: match &self.data.cargo_features { @@ -1125,6 +1141,7 @@ impl Config { }, target: self.data.cargo_target.clone(), sysroot, + sysroot_src, rustc_source, unset_test_crates: UnsetTestCrates::Only(self.data.cargo_unsetTest.clone()), wrap_rustc_in_build_scripts: self.data.cargo_buildScripts_useRustcWrapper, @@ -1165,7 +1182,7 @@ impl Config { FlycheckConfig::CustomCommand { command, args, - extra_env: self.check_on_save_extra_env(), + extra_env: self.check_extra_env(), invocation_strategy: match self.data.check_invocationStrategy { InvocationStrategy::Once => flycheck::InvocationStrategy::Once, InvocationStrategy::PerWorkspace => { @@ -1210,7 +1227,7 @@ impl Config { CargoFeaturesDef::Selected(it) => it, }, extra_args: self.data.check_extraArgs.clone(), - extra_env: self.check_on_save_extra_env(), + extra_env: self.check_extra_env(), ansi_color_output: self.color_diagnostic_output(), }, } @@ -1229,7 +1246,6 @@ impl Config { pub fn inlay_hints(&self) -> InlayHintsConfig { InlayHintsConfig { - location_links: self.data.inlayHints_locationLinks, render_colons: self.data.inlayHints_renderColons, type_hints: self.data.inlayHints_typeHints_enable, parameter_hints: self.data.inlayHints_parameterHints_enable, @@ -1329,6 +1345,7 @@ impl Config { .snippet_support? )), snippets: self.snippets.clone(), + limit: self.data.completion_limit, } } @@ -1409,7 +1426,8 @@ impl Config { pub fn hover(&self) -> HoverConfig { HoverConfig { links_in_hover: self.data.hover_links_enable, - documentation: self.data.hover_documentation_enable.then(|| { + documentation: self.data.hover_documentation_enable, + format: { let is_markdown = try_or_def!(self .caps .text_document @@ -1425,7 +1443,7 @@ impl Config { } else { HoverDocFormat::PlainText } - }), + }, keywords: self.data.hover_documentation_keywords_enable, } } @@ -1454,6 +1472,10 @@ impl Config { try_or_def!(self.caps.workspace.as_ref()?.code_lens.as_ref()?.refresh_support?) } + pub fn inlay_hints_refresh(&self) -> bool { + try_or_def!(self.caps.workspace.as_ref()?.inlay_hint.as_ref()?.refresh_support?) + } + pub fn insert_replace_support(&self) -> bool { try_or_def!( self.caps diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/config/patch_old_style.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/config/patch_old_style.rs index de6ac946a68..73d2ed32984 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/config/patch_old_style.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/config/patch_old_style.rs @@ -114,16 +114,18 @@ pub(super) fn patch_json_for_outdated_configs(json: &mut Value) { } // completion_addCallArgumentSnippets completion_addCallParenthesis -> completion_callable_snippets - let res = match ( - copy.pointer("/completion/addCallArgumentSnippets"), - copy.pointer("/completion/addCallParenthesis"), - ) { - (Some(Value::Bool(true)), Some(Value::Bool(true))) => json!("fill_arguments"), - (_, Some(Value::Bool(true))) => json!("add_parentheses"), - (Some(Value::Bool(false)), Some(Value::Bool(false))) => json!("none"), - (_, _) => return, - }; - merge(json, json!({ "completion": { "callable": {"snippets": res }} })); + 'completion: { + let res = match ( + copy.pointer("/completion/addCallArgumentSnippets"), + copy.pointer("/completion/addCallParenthesis"), + ) { + (Some(Value::Bool(true)), Some(Value::Bool(true))) => json!("fill_arguments"), + (_, Some(Value::Bool(true))) => json!("add_parentheses"), + (Some(Value::Bool(false)), Some(Value::Bool(false))) => json!("none"), + (_, _) => break 'completion, + }; + merge(json, json!({ "completion": { "callable": {"snippets": res }} })); + } // We need to do this due to the checkOnSave_enable -> checkOnSave change, as that key now can either be an object or a bool // checkOnSave_* -> check_* @@ -146,3 +148,23 @@ fn merge(dst: &mut Value, src: Value) { (dst, src) => *dst = src, } } + +#[test] +fn check_on_save_patching() { + let mut json = json!({ "checkOnSave": { "overrideCommand": "foo" }}); + patch_json_for_outdated_configs(&mut json); + assert_eq!( + json, + json!({ "checkOnSave": { "overrideCommand": "foo" }, "check": { "overrideCommand": "foo" }}) + ); +} + +#[test] +fn check_on_save_patching_enable() { + let mut json = json!({ "checkOnSave": { "enable": true, "overrideCommand": "foo" }}); + patch_json_for_outdated_configs(&mut json); + assert_eq!( + json, + json!({ "checkOnSave": true, "check": { "enable": true, "overrideCommand": "foo" }}) + ); +} diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs index acb416a0689..55b89019b47 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/diagnostics/to_proto.rs @@ -534,7 +534,7 @@ mod tests { let (sender, _) = crossbeam_channel::unbounded(); let state = GlobalState::new( sender, - Config::new(workspace_root.to_path_buf(), ClientCapabilities::default()), + Config::new(workspace_root.to_path_buf(), ClientCapabilities::default(), Vec::new()), ); let snap = state.snapshot(); let mut actual = map_rust_diagnostic_to_lsp(&config, &diagnostic, workspace_root, &snap); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs index c6f4e9ce07f..aca6c923570 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/global_state.rs @@ -179,10 +179,9 @@ impl GlobalState { pub(crate) fn process_changes(&mut self) -> bool { let _p = profile::span("GlobalState::process_changes"); - // A file was added or deleted - let mut has_structure_changes = false; let mut workspace_structure_change = None; + let mut file_changes = FxHashMap::default(); let (change, changed_files) = { let mut change = Change::new(); let (vfs, line_endings_map) = &mut *self.vfs.write(); @@ -191,43 +190,56 @@ impl GlobalState { return false; } - // important: this needs to be a stable sort, the order between changes is relevant - // for the same file ids - changed_files.sort_by_key(|file| file.file_id); - // We need to fix up the changed events a bit, if we have a create or modify for a file - // id that is followed by a delete we actually no longer observe the file text from the - // create or modify which may cause problems later on - changed_files.dedup_by(|a, b| { + // We need to fix up the changed events a bit. If we have a create or modify for a file + // id that is followed by a delete we actually skip observing the file text from the + // earlier event, to avoid problems later on. + for changed_file in &changed_files { use vfs::ChangeKind::*; - if a.file_id != b.file_id { - return false; - } + file_changes + .entry(changed_file.file_id) + .and_modify(|(change, just_created)| { + // None -> Delete => keep + // Create -> Delete => collapse + // + match (change, just_created, changed_file.change_kind) { + // latter `Delete` wins + (change, _, Delete) => *change = Delete, + // merge `Create` with `Create` or `Modify` + (Create, _, Create | Modify) => {} + // collapse identical `Modify`es + (Modify, _, Modify) => {} + // equivalent to `Modify` + (change @ Delete, just_created, Create) => { + *change = Modify; + *just_created = true; + } + // shouldn't occur, but collapse into `Create` + (change @ Delete, just_created, Modify) => { + *change = Create; + *just_created = true; + } + // shouldn't occur, but collapse into `Modify` + (Modify, _, Create) => {} + } + }) + .or_insert(( + changed_file.change_kind, + matches!(changed_file.change_kind, Create), + )); + } - match (a.change_kind, b.change_kind) { - // duplicate can be merged - (Create, Create) | (Modify, Modify) | (Delete, Delete) => true, - // just leave the create, modify is irrelevant - (Create, Modify) => { - std::mem::swap(a, b); - true - } - // modify becomes irrelevant if the file is deleted - (Modify, Delete) => true, - // we should fully remove this occurrence, - // but leaving just a delete works as well - (Create, Delete) => true, - // this is equivalent to a modify - (Delete, Create) => { - a.change_kind = Modify; - true - } - // can't really occur - (Modify, Create) => false, - (Delete, Modify) => false, - } - }); + changed_files.extend( + file_changes + .into_iter() + .filter(|(_, (change_kind, just_created))| { + !matches!((change_kind, just_created), (vfs::ChangeKind::Delete, true)) + }) + .map(|(file_id, (change_kind, _))| vfs::ChangedFile { file_id, change_kind }), + ); + // A file was added or deleted + let mut has_structure_changes = false; for file in &changed_files { if let Some(path) = vfs.file_path(file.file_id).as_path() { let path = path.to_path_buf(); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/handlers.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/handlers.rs index 59bdd306127..4e08bd0a724 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/handlers.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/handlers.rs @@ -29,7 +29,6 @@ use project_model::{ManifestPath, ProjectWorkspace, TargetKind}; use serde_json::json; use stdx::{format_to, never}; use syntax::{algo, ast, AstNode, TextRange, TextSize}; -use tracing::error; use vfs::AbsPathBuf; use crate::{ @@ -937,8 +936,7 @@ pub(crate) fn handle_hover( let line_index = snap.file_line_index(file_range.file_id)?; let range = to_proto::range(&line_index, info.range); - let markup_kind = - snap.config.hover().documentation.map_or(ide::HoverDocFormat::Markdown, |kind| kind); + let markup_kind = snap.config.hover().format; let hover = lsp_ext::Hover { hover: lsp_types::Hover { contents: HoverContents::Markup(to_proto::markup_content( @@ -1360,55 +1358,10 @@ pub(crate) fn handle_inlay_hints( } pub(crate) fn handle_inlay_hints_resolve( - snap: GlobalStateSnapshot, - mut hint: InlayHint, + _snap: GlobalStateSnapshot, + hint: InlayHint, ) -> Result<InlayHint> { let _p = profile::span("handle_inlay_hints_resolve"); - let data = match hint.data.take() { - Some(it) => it, - None => return Ok(hint), - }; - - let resolve_data: lsp_ext::InlayHintResolveData = serde_json::from_value(data)?; - - match snap.url_file_version(&resolve_data.text_document.uri) { - Some(version) if version == resolve_data.text_document.version => {} - Some(version) => { - error!( - "attempted inlayHints/resolve of '{}' at version {} while server version is {}", - resolve_data.text_document.uri, resolve_data.text_document.version, version, - ); - return Ok(hint); - } - None => { - error!( - "attempted inlayHints/resolve of unknown file '{}' at version {}", - resolve_data.text_document.uri, resolve_data.text_document.version, - ); - return Ok(hint); - } - } - let file_range = from_proto::file_range_uri( - &snap, - &resolve_data.text_document.uri, - match resolve_data.position { - PositionOrRange::Position(pos) => Range::new(pos, pos), - PositionOrRange::Range(range) => range, - }, - )?; - let info = match snap.analysis.hover(&snap.config.hover(), file_range)? { - None => return Ok(hint), - Some(info) => info, - }; - - let markup_kind = - snap.config.hover().documentation.map_or(ide::HoverDocFormat::Markdown, |kind| kind); - - // FIXME: hover actions? - hint.tooltip = Some(lsp_types::InlayHintTooltip::MarkupContent(to_proto::markup_content( - info.info.markup, - markup_kind, - ))); Ok(hint) } @@ -1516,7 +1469,8 @@ pub(crate) fn handle_semantic_tokens_full( let mut highlight_config = snap.config.highlighting_config(); // Avoid flashing a bunch of unresolved references when the proc-macro servers haven't been spawned yet. - highlight_config.syntactic_name_ref_highlighting = !snap.proc_macros_loaded; + highlight_config.syntactic_name_ref_highlighting = + snap.workspaces.is_empty() || !snap.proc_macros_loaded; let highlights = snap.analysis.highlight(highlight_config, file_id)?; let semantic_tokens = to_proto::semantic_tokens(&text, &line_index, highlights); @@ -1539,7 +1493,8 @@ pub(crate) fn handle_semantic_tokens_full_delta( let mut highlight_config = snap.config.highlighting_config(); // Avoid flashing a bunch of unresolved references when the proc-macro servers haven't been spawned yet. - highlight_config.syntactic_name_ref_highlighting = !snap.proc_macros_loaded; + highlight_config.syntactic_name_ref_highlighting = + snap.workspaces.is_empty() || !snap.proc_macros_loaded; let highlights = snap.analysis.highlight(highlight_config, file_id)?; let semantic_tokens = to_proto::semantic_tokens(&text, &line_index, highlights); @@ -1570,7 +1525,12 @@ pub(crate) fn handle_semantic_tokens_range( let text = snap.analysis.file_text(frange.file_id)?; let line_index = snap.file_line_index(frange.file_id)?; - let highlights = snap.analysis.highlight_range(snap.config.highlighting_config(), frange)?; + let mut highlight_config = snap.config.highlighting_config(); + // Avoid flashing a bunch of unresolved references when the proc-macro servers haven't been spawned yet. + highlight_config.syntactic_name_ref_highlighting = + snap.workspaces.is_empty() || !snap.proc_macros_loaded; + + let highlights = snap.analysis.highlight_range(highlight_config, frange)?; let semantic_tokens = to_proto::semantic_tokens(&text, &line_index, highlights); Ok(Some(semantic_tokens.into())) } diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs index 405d261db6f..e8912b90796 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/integrated_benchmarks.rs @@ -21,7 +21,7 @@ use project_model::CargoConfig; use test_utils::project_root; use vfs::{AbsPathBuf, VfsPath}; -use crate::cli::load_cargo::{load_workspace_at, LoadCargoConfig}; +use crate::cli::load_cargo::{load_workspace_at, LoadCargoConfig, ProcMacroServerChoice}; #[test] fn integrated_highlighting_benchmark() { @@ -36,7 +36,7 @@ fn integrated_highlighting_benchmark() { let cargo_config = CargoConfig::default(); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: true, - with_proc_macro: false, + with_proc_macro_server: ProcMacroServerChoice::None, prefill_caches: false, }; @@ -90,7 +90,7 @@ fn integrated_completion_benchmark() { let cargo_config = CargoConfig::default(); let load_cargo_config = LoadCargoConfig { load_out_dirs_from_check: true, - with_proc_macro: false, + with_proc_macro_server: ProcMacroServerChoice::None, prefill_caches: true, }; @@ -146,6 +146,7 @@ fn integrated_completion_benchmark() { }, snippets: Vec::new(), prefer_no_std: false, + limit: None, }; let position = FilePosition { file_id, offset: TextSize::try_from(completion_offset).unwrap() }; @@ -184,6 +185,7 @@ fn integrated_completion_benchmark() { }, snippets: Vec::new(), prefer_no_std: false, + limit: None, }; let position = FilePosition { file_id, offset: TextSize::try_from(completion_offset).unwrap() }; diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs index 65620b4209b..08b2c837de3 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_ext.rs @@ -3,11 +3,11 @@ use std::{collections::HashMap, path::PathBuf}; use lsp_types::request::Request; +use lsp_types::PositionEncodingKind; use lsp_types::{ notification::Notification, CodeActionKind, DocumentOnTypeFormattingParams, PartialResultParams, Position, Range, TextDocumentIdentifier, WorkDoneProgressParams, }; -use lsp_types::{PositionEncodingKind, VersionedTextDocumentIdentifier}; use serde::{Deserialize, Serialize}; pub enum AnalyzerStatus {} @@ -151,6 +151,13 @@ impl Notification for ClearFlycheck { const METHOD: &'static str = "rust-analyzer/clearFlycheck"; } +pub enum OpenServerLogs {} + +impl Notification for OpenServerLogs { + type Params = (); + const METHOD: &'static str = "rust-analyzer/openServerLogs"; +} + #[derive(Deserialize, Serialize, Debug)] #[serde(rename_all = "camelCase")] pub struct RunFlycheckParams { @@ -568,10 +575,7 @@ pub struct CompletionResolveData { } #[derive(Debug, Serialize, Deserialize)] -pub struct InlayHintResolveData { - pub text_document: VersionedTextDocumentIdentifier, - pub position: PositionOrRange, -} +pub struct InlayHintResolveData {} #[derive(Debug, Serialize, Deserialize)] pub struct CompletionImport { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs index dcaee92857a..baa77a005e2 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/lsp_utils.rs @@ -2,12 +2,13 @@ use std::{mem, ops::Range, sync::Arc}; use lsp_server::Notification; +use lsp_types::request::Request; use crate::{ from_proto, global_state::GlobalState, line_index::{LineEndings, LineIndex, PositionEncoding}, - LspError, + lsp_ext, LspError, }; pub(crate) fn invalid_params_error(message: String) -> LspError { @@ -46,20 +47,47 @@ impl GlobalState { /// If `additional_info` is [`Some`], appends a note to the notification telling to check the logs. /// This will always log `message` + `additional_info` to the server's error log. pub(crate) fn show_and_log_error(&mut self, message: String, additional_info: Option<String>) { - let mut message = message; match additional_info { Some(additional_info) => { - tracing::error!("{}\n\n{}", &message, &additional_info); - if tracing::enabled!(tracing::Level::ERROR) { - message.push_str("\n\nCheck the server logs for additional info."); + tracing::error!("{}:\n{}", &message, &additional_info); + match self.config.open_server_logs() && tracing::enabled!(tracing::Level::ERROR) { + true => self.send_request::<lsp_types::request::ShowMessageRequest>( + lsp_types::ShowMessageRequestParams { + typ: lsp_types::MessageType::ERROR, + message, + actions: Some(vec![lsp_types::MessageActionItem { + title: "Open server logs".to_owned(), + properties: Default::default(), + }]), + }, + |this, resp| { + let lsp_server::Response { error: None, result: Some(result), .. } = resp + else { return }; + if let Ok(Some(_item)) = crate::from_json::< + <lsp_types::request::ShowMessageRequest as lsp_types::request::Request>::Result, + >( + lsp_types::request::ShowMessageRequest::METHOD, &result + ) { + this.send_notification::<lsp_ext::OpenServerLogs>(()); + } + }, + ), + false => self.send_notification::<lsp_types::notification::ShowMessage>( + lsp_types::ShowMessageParams { + typ: lsp_types::MessageType::ERROR, + message, + }, + ), } } - None => tracing::error!("{}", &message), - } + None => { + tracing::error!("{}", &message); - self.send_notification::<lsp_types::notification::ShowMessage>( - lsp_types::ShowMessageParams { typ: lsp_types::MessageType::ERROR, message }, - ) + self.send_notification::<lsp_types::notification::ShowMessage>( + lsp_types::ShowMessageParams { typ: lsp_types::MessageType::ERROR, message }, + ); + } + } } /// rust-analyzer is resilient -- if it fails, this doesn't usually affect @@ -77,7 +105,7 @@ impl GlobalState { let from_source_build = option_env!("POKE_RA_DEVS").is_some(); let profiling_enabled = std::env::var("RA_PROFILE").is_ok(); if from_source_build || profiling_enabled { - self.show_message(lsp_types::MessageType::ERROR, message) + self.show_and_log_error(message, None); } } diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs index 0bc940dfe8d..346a74e270f 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/main_loop.rs @@ -14,7 +14,7 @@ use ide_db::base_db::{SourceDatabaseExt, VfsPath}; use itertools::Itertools; use lsp_server::{Connection, Notification, Request}; use lsp_types::notification::Notification as _; -use vfs::{ChangeKind, FileId}; +use vfs::{AbsPathBuf, ChangeKind, FileId}; use crate::{ config::Config, @@ -287,8 +287,10 @@ impl GlobalState { || self.fetch_build_data_queue.op_requested()); if became_quiescent { - // Project has loaded properly, kick off initial flycheck - self.flycheck.iter().for_each(FlycheckHandle::restart); + if self.config.check_on_save() { + // Project has loaded properly, kick off initial flycheck + self.flycheck.iter().for_each(FlycheckHandle::restart); + } if self.config.prefill_caches() { self.prime_caches_queue.request_op("became quiescent".to_string()); } @@ -305,13 +307,18 @@ impl GlobalState { if self.config.code_lens_refresh() { self.send_request::<lsp_types::request::CodeLensRefresh>((), |_, _| ()); } - } - if !was_quiescent || state_changed || memdocs_added_or_removed { - if self.config.publish_diagnostics() { - self.update_diagnostics() + // Refresh inlay hints if the client supports it. + if self.config.inlay_hints_refresh() { + self.send_request::<lsp_types::request::InlayHintRefreshRequest>((), |_, _| ()); } } + + if (!was_quiescent || state_changed || memdocs_added_or_removed) + && self.config.publish_diagnostics() + { + self.update_diagnostics() + } } if let Some(diagnostic_changes) = self.diagnostics.take_changes() { @@ -604,8 +611,8 @@ impl GlobalState { Ok(()) }); - if let RequestDispatcher { req: Some(req), global_state: this } = &mut dispatcher { - if this.shutdown_requested { + match &mut dispatcher { + RequestDispatcher { req: Some(req), global_state: this } if this.shutdown_requested => { this.respond(lsp_server::Response::new_err( req.id.clone(), lsp_server::ErrorCode::InvalidRequest as i32, @@ -613,16 +620,7 @@ impl GlobalState { )); return; } - - // Avoid flashing a bunch of unresolved references during initial load. - if this.workspaces.is_empty() && !this.is_quiescent() { - this.respond(lsp_server::Response::new_err( - req.id.clone(), - lsp_server::ErrorCode::ContentModified as i32, - "waiting for cargo metadata or cargo check".to_owned(), - )); - return; - } + _ => (), } dispatcher @@ -935,6 +933,30 @@ impl GlobalState { Ok(()) })? + .on::<lsp_types::notification::DidChangeWorkspaceFolders>(|this, params| { + let config = Arc::make_mut(&mut this.config); + + for workspace in params.event.removed { + let Ok(path) = workspace.uri.to_file_path() else { continue }; + let Ok(path) = AbsPathBuf::try_from(path) else { continue }; + let Some(position) = config.workspace_roots.iter().position(|it| it == &path) else { continue }; + config.workspace_roots.remove(position); + } + + let added = params + .event + .added + .into_iter() + .filter_map(|it| it.uri.to_file_path().ok()) + .filter_map(|it| AbsPathBuf::try_from(it).ok()); + config.workspace_roots.extend(added); + if !config.has_linked_projects() && config.detached_files().is_empty() { + config.rediscover_workspaces(); + this.fetch_workspaces_queue.request_op("client workspaces changed".to_string()) + } + + Ok(()) + })? .on::<lsp_types::notification::DidChangeWatchedFiles>(|this, params| { for change in params.changes { if let Ok(path) = from_proto::abs_path(&change.uri) { diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs index 9bbce70ec0a..5ac5af94f5a 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/reload.rs @@ -34,6 +34,8 @@ use crate::{ op_queue::Cause, }; +use ::tt::token_id as tt; + #[derive(Debug)] pub(crate) enum ProjectWorkspaceProgress { Begin, @@ -148,11 +150,11 @@ impl GlobalState { ) } LinkedProject::InlineJsonProject(it) => { - project_model::ProjectWorkspace::load_inline( + Ok(project_model::ProjectWorkspace::load_inline( it.clone(), cargo_config.target.as_deref(), &cargo_config.extra_env, - ) + )) } }) .collect::<Vec<_>>(); @@ -212,35 +214,11 @@ impl GlobalState { let workspaces = workspaces.iter().filter_map(|res| res.as_ref().ok().cloned()).collect::<Vec<_>>(); - fn eq_ignore_build_data<'a>( - left: &'a ProjectWorkspace, - right: &'a ProjectWorkspace, - ) -> bool { - let key = |p: &'a ProjectWorkspace| match p { - ProjectWorkspace::Cargo { - cargo, - sysroot, - rustc, - rustc_cfg, - cfg_overrides, - - build_scripts: _, - toolchain: _, - target_layout: _, - } => Some((cargo, sysroot, rustc, rustc_cfg, cfg_overrides)), - _ => None, - }; - match (key(left), key(right)) { - (Some(lk), Some(rk)) => lk == rk, - _ => left == right, - } - } - let same_workspaces = workspaces.len() == self.workspaces.len() && workspaces .iter() .zip(self.workspaces.iter()) - .all(|(l, r)| eq_ignore_build_data(l, r)); + .all(|(l, r)| l.eq_ignore_build_data(r)); if same_workspaces { let (workspaces, build_scripts) = self.fetch_build_data_queue.last_op_result(); @@ -270,7 +248,8 @@ impl GlobalState { // Here, we completely changed the workspace (Cargo.toml edit), so // we don't care about build-script results, they are stale. - self.workspaces = Arc::new(workspaces) + // FIXME: can we abort the build scripts here? + self.workspaces = Arc::new(workspaces); } if let FilesWatcher::Client = self.config.files().watcher { @@ -362,7 +341,7 @@ impl GlobalState { let loader = &mut self.loader; let mem_docs = &self.mem_docs; let mut load = move |path: &AbsPath| { - let _p = profile::span("GlobalState::load"); + let _p = profile::span("switch_workspaces::load"); let vfs_path = vfs::VfsPath::from(path.to_path_buf()); if !mem_docs.contains(&vfs_path) { let contents = loader.handle.load_sync(path); @@ -584,10 +563,10 @@ pub(crate) fn load_proc_macro( path: &AbsPath, dummy_replace: &[Box<str>], ) -> ProcMacroLoadResult { + let server = server.map_err(ToOwned::to_owned)?; let res: Result<Vec<_>, String> = (|| { let dylib = MacroDylib::new(path.to_path_buf()) .map_err(|io| format!("Proc-macro dylib loading failed: {io}"))?; - let server = server.map_err(ToOwned::to_owned)?; let vec = server.load_dylib(dylib).map_err(|e| format!("{e}"))?; if vec.is_empty() { return Err("proc macro library returned no proc macros".to_string()); @@ -679,7 +658,7 @@ pub(crate) fn load_proc_macro( _: Option<&tt::Subtree>, _: &Env, ) -> Result<tt::Subtree, ProcMacroExpansionError> { - Ok(tt::Subtree::default()) + Ok(tt::Subtree::empty()) } } } diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs b/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs index e736b2ff9a3..5bdc1bf8d9b 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/src/to_proto.rs @@ -9,9 +9,9 @@ use ide::{ Annotation, AnnotationKind, Assist, AssistKind, Cancellable, CompletionItem, CompletionItemKind, CompletionRelevance, Documentation, FileId, FileRange, FileSystemEdit, Fold, FoldKind, Highlight, HlMod, HlOperator, HlPunct, HlRange, HlTag, Indel, InlayHint, - InlayHintLabel, InlayKind, Markup, NavigationTarget, ReferenceCategory, RenameError, Runnable, - Severity, SignatureHelp, SourceChange, StructureNodeKind, SymbolKind, TextEdit, TextRange, - TextSize, + InlayHintLabel, InlayHintLabelPart, InlayKind, Markup, NavigationTarget, ReferenceCategory, + RenameError, Runnable, Severity, SignatureHelp, SourceChange, StructureNodeKind, SymbolKind, + TextEdit, TextRange, TextSize, }; use itertools::Itertools; use serde_json::to_value; @@ -215,8 +215,14 @@ pub(crate) fn completion_items( let max_relevance = items.iter().map(|it| it.relevance().score()).max().unwrap_or_default(); let mut res = Vec::with_capacity(items.len()); for item in items { - completion_item(&mut res, config, line_index, &tdpp, max_relevance, item) + completion_item(&mut res, config, line_index, &tdpp, max_relevance, item); } + + if let Some(limit) = config.completion().limit { + res.sort_by(|item1, item2| item1.sort_text.cmp(&item2.sort_text)); + res.truncate(limit); + } + res } @@ -431,137 +437,140 @@ pub(crate) fn inlay_hint( mut inlay_hint: InlayHint, ) -> Cancellable<lsp_types::InlayHint> { match inlay_hint.kind { - InlayKind::ParameterHint if render_colons => inlay_hint.label.append_str(":"), - InlayKind::TypeHint if render_colons => inlay_hint.label.prepend_str(": "), - InlayKind::ClosureReturnTypeHint => inlay_hint.label.prepend_str(" -> "), - InlayKind::DiscriminantHint => inlay_hint.label.prepend_str(" = "), + InlayKind::Parameter if render_colons => inlay_hint.label.append_str(":"), + InlayKind::Type if render_colons => inlay_hint.label.prepend_str(": "), + InlayKind::ClosureReturnType => inlay_hint.label.prepend_str(" -> "), + InlayKind::Discriminant => inlay_hint.label.prepend_str(" = "), _ => {} } + let (label, tooltip) = inlay_hint_label(snap, inlay_hint.label)?; + Ok(lsp_types::InlayHint { position: match inlay_hint.kind { // before annotated thing InlayKind::OpeningParenthesis - | InlayKind::ParameterHint - | InlayKind::AdjustmentHint - | InlayKind::BindingModeHint => position(line_index, inlay_hint.range.start()), + | InlayKind::Parameter + | InlayKind::Adjustment + | InlayKind::BindingMode => position(line_index, inlay_hint.range.start()), // after annotated thing - InlayKind::ClosureReturnTypeHint - | InlayKind::TypeHint - | InlayKind::DiscriminantHint - | InlayKind::ChainingHint - | InlayKind::GenericParamListHint + InlayKind::ClosureReturnType + | InlayKind::Type + | InlayKind::Discriminant + | InlayKind::Chaining + | InlayKind::GenericParamList | InlayKind::ClosingParenthesis - | InlayKind::AdjustmentHintPostfix - | InlayKind::LifetimeHint - | InlayKind::ClosingBraceHint => position(line_index, inlay_hint.range.end()), + | InlayKind::AdjustmentPostfix + | InlayKind::Lifetime + | InlayKind::ClosingBrace => position(line_index, inlay_hint.range.end()), }, padding_left: Some(match inlay_hint.kind { - InlayKind::TypeHint => !render_colons, - InlayKind::ChainingHint | InlayKind::ClosingBraceHint => true, + InlayKind::Type => !render_colons, + InlayKind::Chaining | InlayKind::ClosingBrace => true, InlayKind::ClosingParenthesis - | InlayKind::DiscriminantHint + | InlayKind::Discriminant | InlayKind::OpeningParenthesis - | InlayKind::BindingModeHint - | InlayKind::ClosureReturnTypeHint - | InlayKind::GenericParamListHint - | InlayKind::AdjustmentHint - | InlayKind::AdjustmentHintPostfix - | InlayKind::LifetimeHint - | InlayKind::ParameterHint => false, + | InlayKind::BindingMode + | InlayKind::ClosureReturnType + | InlayKind::GenericParamList + | InlayKind::Adjustment + | InlayKind::AdjustmentPostfix + | InlayKind::Lifetime + | InlayKind::Parameter => false, }), padding_right: Some(match inlay_hint.kind { InlayKind::ClosingParenthesis | InlayKind::OpeningParenthesis - | InlayKind::ChainingHint - | InlayKind::ClosureReturnTypeHint - | InlayKind::GenericParamListHint - | InlayKind::AdjustmentHint - | InlayKind::AdjustmentHintPostfix - | InlayKind::TypeHint - | InlayKind::DiscriminantHint - | InlayKind::ClosingBraceHint => false, - InlayKind::BindingModeHint => inlay_hint.label.as_simple_str() != Some("&"), - InlayKind::ParameterHint | InlayKind::LifetimeHint => true, + | InlayKind::Chaining + | InlayKind::ClosureReturnType + | InlayKind::GenericParamList + | InlayKind::Adjustment + | InlayKind::AdjustmentPostfix + | InlayKind::Type + | InlayKind::Discriminant + | InlayKind::ClosingBrace => false, + InlayKind::BindingMode => { + matches!(&label, lsp_types::InlayHintLabel::String(s) if s != "&") + } + InlayKind::Parameter | InlayKind::Lifetime => true, }), kind: match inlay_hint.kind { - InlayKind::ParameterHint => Some(lsp_types::InlayHintKind::PARAMETER), - InlayKind::ClosureReturnTypeHint | InlayKind::TypeHint | InlayKind::ChainingHint => { + InlayKind::Parameter => Some(lsp_types::InlayHintKind::PARAMETER), + InlayKind::ClosureReturnType | InlayKind::Type | InlayKind::Chaining => { Some(lsp_types::InlayHintKind::TYPE) } InlayKind::ClosingParenthesis - | InlayKind::DiscriminantHint + | InlayKind::Discriminant | InlayKind::OpeningParenthesis - | InlayKind::BindingModeHint - | InlayKind::GenericParamListHint - | InlayKind::LifetimeHint - | InlayKind::AdjustmentHint - | InlayKind::AdjustmentHintPostfix - | InlayKind::ClosingBraceHint => None, + | InlayKind::BindingMode + | InlayKind::GenericParamList + | InlayKind::Lifetime + | InlayKind::Adjustment + | InlayKind::AdjustmentPostfix + | InlayKind::ClosingBrace => None, }, text_edits: None, - data: (|| match inlay_hint.tooltip { - Some(ide::InlayTooltip::HoverOffset(file_id, offset)) => { - let uri = url(snap, file_id); - let line_index = snap.file_line_index(file_id).ok()?; - - let text_document = lsp_types::VersionedTextDocumentIdentifier { - version: snap.url_file_version(&uri)?, - uri, - }; - to_value(lsp_ext::InlayHintResolveData { - text_document, - position: lsp_ext::PositionOrRange::Position(position(&line_index, offset)), - }) - .ok() - } - Some(ide::InlayTooltip::HoverRanged(file_id, text_range)) => { - let uri = url(snap, file_id); - let text_document = lsp_types::VersionedTextDocumentIdentifier { - version: snap.url_file_version(&uri)?, - uri, - }; - let line_index = snap.file_line_index(file_id).ok()?; - to_value(lsp_ext::InlayHintResolveData { - text_document, - position: lsp_ext::PositionOrRange::Range(range(&line_index, text_range)), - }) - .ok() - } - _ => None, - })(), - tooltip: Some(match inlay_hint.tooltip { - Some(ide::InlayTooltip::String(s)) => lsp_types::InlayHintTooltip::String(s), - _ => lsp_types::InlayHintTooltip::String(inlay_hint.label.to_string()), - }), - label: inlay_hint_label(snap, inlay_hint.label)?, + data: None, + tooltip, + label, }) } fn inlay_hint_label( snap: &GlobalStateSnapshot, - label: InlayHintLabel, -) -> Cancellable<lsp_types::InlayHintLabel> { - Ok(match label.as_simple_str() { - Some(s) => lsp_types::InlayHintLabel::String(s.into()), - None => lsp_types::InlayHintLabel::LabelParts( - label + mut label: InlayHintLabel, +) -> Cancellable<(lsp_types::InlayHintLabel, Option<lsp_types::InlayHintTooltip>)> { + let res = match &*label.parts { + [InlayHintLabelPart { linked_location: None, .. }] => { + let InlayHintLabelPart { text, tooltip, .. } = label.parts.pop().unwrap(); + ( + lsp_types::InlayHintLabel::String(text), + match tooltip { + Some(ide::InlayTooltip::String(s)) => { + Some(lsp_types::InlayHintTooltip::String(s)) + } + Some(ide::InlayTooltip::Markdown(s)) => { + Some(lsp_types::InlayHintTooltip::MarkupContent(lsp_types::MarkupContent { + kind: lsp_types::MarkupKind::Markdown, + value: s, + })) + } + None => None, + }, + ) + } + _ => { + let parts = label .parts .into_iter() .map(|part| { - Ok(lsp_types::InlayHintLabelPart { - value: part.text, - tooltip: None, - location: part - .linked_location - .map(|range| location(snap, range)) - .transpose()?, - command: None, - }) + part.linked_location.map(|range| location(snap, range)).transpose().map( + |location| lsp_types::InlayHintLabelPart { + value: part.text, + tooltip: match part.tooltip { + Some(ide::InlayTooltip::String(s)) => { + Some(lsp_types::InlayHintLabelPartTooltip::String(s)) + } + Some(ide::InlayTooltip::Markdown(s)) => { + Some(lsp_types::InlayHintLabelPartTooltip::MarkupContent( + lsp_types::MarkupContent { + kind: lsp_types::MarkupKind::Markdown, + value: s, + }, + )) + } + None => None, + }, + location, + command: None, + }, + ) }) - .collect::<Cancellable<Vec<_>>>()?, - ), - }) + .collect::<Cancellable<_>>()?; + (lsp_types::InlayHintLabel::LabelParts(parts), None) + } + }; + Ok(res) } static TOKEN_RESULT_COUNTER: AtomicU32 = AtomicU32::new(1); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs index 269212ebb99..b7275df0f40 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/support.rs @@ -137,6 +137,7 @@ impl<'a> Project<'a> { })), ..Default::default() }, + Vec::new(), ); config.discovered_projects = Some(discovered_projects); config.update(self.config).expect("invalid config"); diff --git a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/tidy.rs b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/tidy.rs index 35b5af73192..8e3097fce42 100644 --- a/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/tidy.rs +++ b/src/tools/rust-analyzer/crates/rust-analyzer/tests/slow-tests/tidy.rs @@ -82,7 +82,6 @@ fn files_are_tidy() { check_dbg(&path, &text); check_test_attrs(&path, &text); check_trailing_ws(&path, &text); - deny_clippy(&path, &text); tidy_docs.visit(&path, &text); tidy_marks.visit(&path, &text); } @@ -144,32 +143,6 @@ fn check_cargo_toml(path: &Path, text: String) { } } -fn deny_clippy(path: &Path, text: &str) { - let ignore = &[ - // The documentation in string literals may contain anything for its own purposes - "ide-db/src/generated/lints.rs", - // The tests test clippy lint hovers - "ide/src/hover/tests.rs", - // The tests test clippy lint completions - "ide-completion/src/tests/attribute.rs", - ]; - if ignore.iter().any(|p| path.ends_with(p)) { - return; - } - - if text.contains("\u{61}llow(clippy") { - panic!( - "\n\nallowing lints is forbidden: {}. -rust-analyzer intentionally doesn't check clippy on CI. -You can allow lint globally via `xtask clippy`. -See https://github.com/rust-lang/rust-clippy/issues/5537 for discussion. - -", - path.display() - ) - } -} - #[cfg(not(feature = "in-rust-tree"))] #[test] fn check_licenses() { diff --git a/src/tools/rust-analyzer/crates/sourcegen/Cargo.toml b/src/tools/rust-analyzer/crates/sourcegen/Cargo.toml index 593dc4e55b2..fb2b9ebef50 100644 --- a/src/tools/rust-analyzer/crates/sourcegen/Cargo.toml +++ b/src/tools/rust-analyzer/crates/sourcegen/Cargo.toml @@ -2,9 +2,11 @@ name = "sourcegen" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false diff --git a/src/tools/rust-analyzer/crates/stdx/Cargo.toml b/src/tools/rust-analyzer/crates/stdx/Cargo.toml index f7b7d09640f..c881f2fd3f4 100644 --- a/src/tools/rust-analyzer/crates/stdx/Cargo.toml +++ b/src/tools/rust-analyzer/crates/stdx/Cargo.toml @@ -2,9 +2,11 @@ name = "stdx" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false diff --git a/src/tools/rust-analyzer/crates/stdx/src/lib.rs b/src/tools/rust-analyzer/crates/stdx/src/lib.rs index 51e109798d1..bd24d7d28ba 100644 --- a/src/tools/rust-analyzer/crates/stdx/src/lib.rs +++ b/src/tools/rust-analyzer/crates/stdx/src/lib.rs @@ -2,9 +2,9 @@ #![warn(rust_2018_idioms, unused_lifetimes, semicolon_in_expressions_from_macros)] +use std::io as sio; use std::process::Command; use std::{cmp::Ordering, ops, time::Instant}; -use std::{io as sio, iter}; mod macros; pub mod hash; @@ -39,15 +39,19 @@ Uncomment `default = [ "backtrace" ]` in `crates/stdx/Cargo.toml`. } pub fn to_lower_snake_case(s: &str) -> String { - to_snake_case(s, char::to_ascii_lowercase) + to_snake_case(s, char::to_lowercase) } pub fn to_upper_snake_case(s: &str) -> String { - to_snake_case(s, char::to_ascii_uppercase) + to_snake_case(s, char::to_uppercase) } // Code partially taken from rust/compiler/rustc_lint/src/nonstandard_style.rs // commit: 9626f2b -fn to_snake_case<F: Fn(&char) -> char>(mut s: &str, change_case: F) -> String { +fn to_snake_case<F, I>(mut s: &str, change_case: F) -> String +where + F: Fn(char) -> I, + I: Iterator<Item = char>, +{ let mut words = vec![]; // Preserve leading underscores @@ -75,7 +79,7 @@ fn to_snake_case<F: Fn(&char) -> char>(mut s: &str, change_case: F) -> String { } last_upper = ch.is_uppercase(); - buf.extend(iter::once(change_case(&ch))); + buf.extend(change_case(ch)); } words.push(buf); diff --git a/src/tools/rust-analyzer/crates/stdx/src/macros.rs b/src/tools/rust-analyzer/crates/stdx/src/macros.rs index d91fc690cb5..1a9982fa8b2 100644 --- a/src/tools/rust-analyzer/crates/stdx/src/macros.rs +++ b/src/tools/rust-analyzer/crates/stdx/src/macros.rs @@ -43,5 +43,14 @@ macro_rules! impl_from { } )*)? )* + }; + ($($variant:ident$(<$V:ident>)?),* for $enum:ident) => { + $( + impl$(<$V>)? From<$variant$(<$V>)?> for $enum$(<$V>)? { + fn from(it: $variant$(<$V>)?) -> $enum$(<$V>)? { + $enum::$variant(it) + } + } + )* } } diff --git a/src/tools/rust-analyzer/crates/syntax/Cargo.toml b/src/tools/rust-analyzer/crates/syntax/Cargo.toml index 00743cca559..8fc493a23f5 100644 --- a/src/tools/rust-analyzer/crates/syntax/Cargo.toml +++ b/src/tools/rust-analyzer/crates/syntax/Cargo.toml @@ -2,10 +2,12 @@ name = "syntax" version = "0.0.0" description = "Comment and whitespace preserving parser for the Rust language" -license = "MIT OR Apache-2.0" repository = "https://github.com/rust-lang/rust-analyzer" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -14,26 +16,26 @@ doctest = false cov-mark = "2.0.0-pre.1" itertools = "0.10.5" rowan = "0.15.10" -rustc_lexer = { version = "725.0.0", package = "rustc-ap-rustc_lexer" } +rustc_lexer = { version = "727.0.0", package = "rustc-ap-rustc_lexer" } rustc-hash = "1.1.0" -once_cell = "1.15.0" +once_cell = "1.17.0" indexmap = "1.9.1" smol_str = "0.1.23" -stdx = { path = "../stdx", version = "0.0.0" } -text-edit = { path = "../text-edit", version = "0.0.0" } -parser = { path = "../parser", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } +parser.workspace = true +profile.workspace = true +stdx.workspace = true +text-edit.workspace = true [dev-dependencies] -rayon = "1.5.3" +rayon = "1.6.1" expect-test = "1.4.0" proc-macro2 = "1.0.47" quote = "1.0.20" ungrammar = "1.16.1" -test-utils = { path = "../test-utils" } -sourcegen = { path = "../sourcegen" } +test-utils.workspace = true +sourcegen.workspace = true [features] in-rust-tree = [] diff --git a/src/tools/rust-analyzer/crates/syntax/fuzz/Cargo.toml b/src/tools/rust-analyzer/crates/syntax/fuzz/Cargo.toml index f295c40065d..6070222f1f1 100644 --- a/src/tools/rust-analyzer/crates/syntax/fuzz/Cargo.toml +++ b/src/tools/rust-analyzer/crates/syntax/fuzz/Cargo.toml @@ -1,18 +1,17 @@ - [package] name = "syntax-fuzz" version = "0.0.1" publish = false edition = "2021" -rust-version = "1.65" +rust-version = "1.66.1" [package.metadata] cargo-fuzz = true [dependencies] syntax = { path = "..", version = "0.0.0" } -text_edit = { path = "../../text_edit", version = "0.0.0" } -libfuzzer-sys = { git = "https://github.com/rust-fuzz/libfuzzer-sys.git" } +text-edit = { path = "../../text-edit", version = "0.0.0" } +libfuzzer-sys = "0.4.5" # Prevent this from interfering with workspaces [workspace] diff --git a/src/tools/rust-analyzer/crates/syntax/rust.ungram b/src/tools/rust-analyzer/crates/syntax/rust.ungram index 2c67586a390..36ad5fddfd0 100644 --- a/src/tools/rust-analyzer/crates/syntax/rust.ungram +++ b/src/tools/rust-analyzer/crates/syntax/rust.ungram @@ -452,7 +452,7 @@ FieldExpr = Attr* Expr '.' NameRef ClosureExpr = - Attr* ('for' GenericParamList)? 'static'? 'async'? 'move'? ParamList RetType? + Attr* ('for' GenericParamList)? 'const'? 'static'? 'async'? 'move'? ParamList RetType? body:Expr IfExpr = diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast.rs b/src/tools/rust-analyzer/crates/syntax/src/ast.rs index 10c04575833..385a4e0a3ce 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast.rs @@ -13,6 +13,8 @@ pub mod prec; use std::marker::PhantomData; +use itertools::Either; + use crate::{ syntax_node::{SyntaxNode, SyntaxNodeChildren, SyntaxToken}, SyntaxKind, @@ -98,6 +100,34 @@ impl<N: AstNode> Iterator for AstChildren<N> { } } +impl<L, R> AstNode for Either<L, R> +where + L: AstNode, + R: AstNode, +{ + fn can_cast(kind: SyntaxKind) -> bool + where + Self: Sized, + { + L::can_cast(kind) || R::can_cast(kind) + } + + fn cast(syntax: SyntaxNode) -> Option<Self> + where + Self: Sized, + { + if L::can_cast(syntax.kind()) { + L::cast(syntax).map(Either::Left) + } else { + R::cast(syntax).map(Either::Right) + } + } + + fn syntax(&self) -> &SyntaxNode { + self.as_ref().either(L::syntax, R::syntax) + } +} + mod support { use super::{AstChildren, AstNode, SyntaxKind, SyntaxNode, SyntaxToken}; diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs index a214a5e4462..642a3bfc35d 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/generated/nodes.rs @@ -842,6 +842,7 @@ impl ast::HasAttrs for ClosureExpr {} impl ClosureExpr { pub fn for_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![for]) } pub fn generic_param_list(&self) -> Option<GenericParamList> { support::child(&self.syntax) } + pub fn const_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![const]) } pub fn static_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![static]) } pub fn async_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![async]) } pub fn move_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![move]) } diff --git a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs index d5b3296980c..5aebe4cd9f5 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/ast/make.rs @@ -12,7 +12,7 @@ use itertools::Itertools; use stdx::{format_to, never}; -use crate::{ast, AstNode, SourceFile, SyntaxKind, SyntaxToken}; +use crate::{ast, utils::is_raw_identifier, AstNode, SourceFile, SyntaxKind, SyntaxToken}; /// While the parent module defines basic atomic "constructors", the `ext` /// module defines shortcuts for common things. @@ -111,8 +111,7 @@ pub fn name_ref(name_ref: &str) -> ast::NameRef { ast_from_text(&format!("fn f() {{ {raw_escape}{name_ref}; }}")) } fn raw_ident_esc(ident: &str) -> &'static str { - let is_keyword = parser::SyntaxKind::from_keyword(ident).is_some(); - if is_keyword && !matches!(ident, "self" | "crate" | "super" | "Self") { + if is_raw_identifier(ident) { "r#" } else { "" @@ -520,6 +519,15 @@ pub fn literal_pat(lit: &str) -> ast::LiteralPat { } } +pub fn slice_pat(pats: impl IntoIterator<Item = ast::Pat>) -> ast::SlicePat { + let pats_str = pats.into_iter().join(", "); + return from_text(&format!("[{pats_str}]")); + + fn from_text(text: &str) -> ast::SlicePat { + ast_from_text(&format!("fn f() {{ match () {{{text} => ()}} }}")) + } +} + /// Creates a tuple of patterns from an iterator of patterns. /// /// Invariant: `pats` must be length > 0 @@ -814,6 +822,7 @@ pub fn fn_( visibility: Option<ast::Visibility>, fn_name: ast::Name, type_params: Option<ast::GenericParamList>, + where_clause: Option<ast::WhereClause>, params: ast::ParamList, body: ast::BlockExpr, ret_type: Option<ast::RetType>, @@ -823,6 +832,10 @@ pub fn fn_( Some(type_params) => format!("{type_params}"), None => "".into(), }; + let where_clause = match where_clause { + Some(it) => format!("{it} "), + None => "".into(), + }; let ret_type = match ret_type { Some(ret_type) => format!("{ret_type} "), None => "".into(), @@ -835,7 +848,7 @@ pub fn fn_( let async_literal = if is_async { "async " } else { "" }; ast_from_text(&format!( - "{visibility}{async_literal}fn {fn_name}{type_params}{params} {ret_type}{body}", + "{visibility}{async_literal}fn {fn_name}{type_params}{params} {ret_type}{where_clause}{body}", )) } diff --git a/src/tools/rust-analyzer/crates/syntax/src/syntax_node.rs b/src/tools/rust-analyzer/crates/syntax/src/syntax_node.rs index a08c01597d3..2e9e0bc226b 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/syntax_node.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/syntax_node.rs @@ -48,6 +48,7 @@ impl SyntaxTreeBuilder { pub fn finish(self) -> Parse<SyntaxNode> { let (green, errors) = self.finish_raw(); // Disable block validation, see https://github.com/rust-lang/rust-analyzer/pull/10357 + #[allow(clippy::overly_complex_bool_expr)] if cfg!(debug_assertions) && false { let node = SyntaxNode::new_root(green.clone()); crate::validation::validate_block_structure(&node); diff --git a/src/tools/rust-analyzer/crates/syntax/src/utils.rs b/src/tools/rust-analyzer/crates/syntax/src/utils.rs index f4c02518b4c..25f34ea9d39 100644 --- a/src/tools/rust-analyzer/crates/syntax/src/utils.rs +++ b/src/tools/rust-analyzer/crates/syntax/src/utils.rs @@ -2,7 +2,7 @@ use itertools::Itertools; -use crate::{ast, match_ast, AstNode}; +use crate::{ast, match_ast, AstNode, SyntaxKind}; pub fn path_to_string_stripping_turbo_fish(path: &ast::Path) -> String { path.syntax() @@ -23,6 +23,11 @@ pub fn path_to_string_stripping_turbo_fish(path: &ast::Path) -> String { .join("::") } +pub fn is_raw_identifier(name: &str) -> bool { + let is_keyword = SyntaxKind::from_keyword(name).is_some(); + is_keyword && !matches!(name, "self" | "crate" | "super" | "Self") +} + #[cfg(test)] mod tests { use super::path_to_string_stripping_turbo_fish; diff --git a/src/tools/rust-analyzer/crates/test-utils/Cargo.toml b/src/tools/rust-analyzer/crates/test-utils/Cargo.toml index 1047373b1c7..92b1ef23e69 100644 --- a/src/tools/rust-analyzer/crates/test-utils/Cargo.toml +++ b/src/tools/rust-analyzer/crates/test-utils/Cargo.toml @@ -2,9 +2,11 @@ name = "test-utils" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -15,5 +17,5 @@ dissimilar = "1.0.4" text-size = "1.1.0" rustc-hash = "1.1.0" -stdx = { path = "../stdx", version = "0.0.0" } -profile = { path = "../profile", version = "0.0.0" } +stdx.workspace = true +profile.workspace = true diff --git a/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs b/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs index 3ca63fcab90..3b033e1aae5 100644 --- a/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs +++ b/src/tools/rust-analyzer/crates/test-utils/src/minicore.rs @@ -28,6 +28,7 @@ //! generator: pin //! hash: //! index: sized +//! infallible: //! iterator: option //! iterators: iterator, fn //! non_zero: @@ -40,7 +41,7 @@ //! sized: //! slice: //! sync: sized -//! try: +//! try: infallible //! unsize: sized pub mod marker { @@ -105,6 +106,11 @@ pub mod marker { impl<T: ?Sized> Copy for &T {} } // endregion:copy + + // region:fn + #[lang = "tuple_trait"] + pub trait Tuple {} + // endregion:fn } // region:default @@ -172,6 +178,9 @@ pub mod convert { fn as_ref(&self) -> &T; } // endregion:as_ref + // region:infallible + pub enum Infallibe {} + // endregion:infallible } pub mod ops { @@ -269,6 +278,24 @@ pub mod ops { } } + impl<T, I, const N: usize> Index<I> for [T; N] + where + I: SliceIndex<[T]>, + { + type Output = I::Output; + fn index(&self, index: I) -> &I::Output { + loop {} + } + } + impl<T, I, const N: usize> IndexMut<I> for [T; N] + where + I: SliceIndex<[T]>, + { + fn index_mut(&mut self, index: I) -> &mut I::Output { + loop {} + } + } + pub unsafe trait SliceIndex<T: ?Sized> { type Output: ?Sized; } @@ -325,19 +352,26 @@ pub mod ops { // region:fn mod function { + use crate::marker::Tuple; + #[lang = "fn"] #[fundamental] - pub trait Fn<Args>: FnMut<Args> {} + pub trait Fn<Args: Tuple>: FnMut<Args> { + extern "rust-call" fn call(&self, args: Args) -> Self::Output; + } #[lang = "fn_mut"] #[fundamental] - pub trait FnMut<Args>: FnOnce<Args> {} + pub trait FnMut<Args: Tuple>: FnOnce<Args> { + extern "rust-call" fn call_mut(&mut self, args: Args) -> Self::Output; + } #[lang = "fn_once"] #[fundamental] - pub trait FnOnce<Args> { + pub trait FnOnce<Args: Tuple> { #[lang = "fn_once_output"] type Output; + extern "rust-call" fn call_once(self, args: Args) -> Self::Output; } } pub use self::function::{Fn, FnMut, FnOnce}; @@ -352,7 +386,7 @@ pub mod ops { #[lang = "from_residual"] fn from_residual(residual: R) -> Self; } - #[lang = "try"] + #[lang = "Try"] pub trait Try: FromResidual<Self::Residual> { type Output; type Residual; diff --git a/src/tools/rust-analyzer/crates/text-edit/Cargo.toml b/src/tools/rust-analyzer/crates/text-edit/Cargo.toml index 8df7e1af611..337cd234739 100644 --- a/src/tools/rust-analyzer/crates/text-edit/Cargo.toml +++ b/src/tools/rust-analyzer/crates/text-edit/Cargo.toml @@ -2,9 +2,11 @@ name = "text-edit" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false diff --git a/src/tools/rust-analyzer/crates/toolchain/Cargo.toml b/src/tools/rust-analyzer/crates/toolchain/Cargo.toml index a6a3ae742ae..a283f9a8842 100644 --- a/src/tools/rust-analyzer/crates/toolchain/Cargo.toml +++ b/src/tools/rust-analyzer/crates/toolchain/Cargo.toml @@ -2,9 +2,11 @@ name = "toolchain" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false diff --git a/src/tools/rust-analyzer/crates/tt/Cargo.toml b/src/tools/rust-analyzer/crates/tt/Cargo.toml index 4f2103f3a97..b8469383183 100644 --- a/src/tools/rust-analyzer/crates/tt/Cargo.toml +++ b/src/tools/rust-analyzer/crates/tt/Cargo.toml @@ -2,9 +2,11 @@ name = "tt" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -12,4 +14,4 @@ doctest = false [dependencies] smol_str = "0.1.23" -stdx = { path = "../stdx", version = "0.0.0" } +stdx.workspace = true diff --git a/src/tools/rust-analyzer/crates/tt/src/buffer.rs b/src/tools/rust-analyzer/crates/tt/src/buffer.rs index d27a7aa0d4d..0615a3763df 100644 --- a/src/tools/rust-analyzer/crates/tt/src/buffer.rs +++ b/src/tools/rust-analyzer/crates/tt/src/buffer.rs @@ -7,33 +7,43 @@ use crate::{Leaf, Subtree, TokenTree}; struct EntryId(usize); #[derive(Copy, Clone, Debug, Eq, PartialEq)] -struct EntryPtr(EntryId, usize); +struct EntryPtr( + /// The index of the buffer containing the entry. + EntryId, + /// The index of the entry within the buffer. + usize, +); /// Internal type which is used instead of `TokenTree` to represent a token tree /// within a `TokenBuffer`. #[derive(Debug)] -enum Entry<'t> { +enum Entry<'t, Span> { // Mimicking types from proc-macro. - Subtree(Option<&'t TokenTree>, &'t Subtree, EntryId), - Leaf(&'t TokenTree), - // End entries contain a pointer to the entry from the containing - // token tree, or None if this is the outermost level. + Subtree(Option<&'t TokenTree<Span>>, &'t Subtree<Span>, EntryId), + Leaf(&'t TokenTree<Span>), + /// End entries contain a pointer to the entry from the containing + /// token tree, or [`None`] if this is the outermost level. End(Option<EntryPtr>), } /// A token tree buffer /// The safe version of `syn` [`TokenBuffer`](https://github.com/dtolnay/syn/blob/6533607f91686545cb034d2838beea338d9d0742/src/buffer.rs#L41) #[derive(Debug)] -pub struct TokenBuffer<'t> { - buffers: Vec<Box<[Entry<'t>]>>, +pub struct TokenBuffer<'t, Span> { + buffers: Vec<Box<[Entry<'t, Span>]>>, } -trait TokenList<'a> { - fn entries(&self) -> (Vec<(usize, (&'a Subtree, Option<&'a TokenTree>))>, Vec<Entry<'a>>); +trait TokenList<'a, Span> { + fn entries( + &self, + ) -> (Vec<(usize, (&'a Subtree<Span>, Option<&'a TokenTree<Span>>))>, Vec<Entry<'a, Span>>); } -impl<'a> TokenList<'a> for &'a [TokenTree] { - fn entries(&self) -> (Vec<(usize, (&'a Subtree, Option<&'a TokenTree>))>, Vec<Entry<'a>>) { +impl<'a, Span> TokenList<'a, Span> for &'a [TokenTree<Span>] { + fn entries( + &self, + ) -> (Vec<(usize, (&'a Subtree<Span>, Option<&'a TokenTree<Span>>))>, Vec<Entry<'a, Span>>) + { // Must contain everything in tokens and then the Entry::End let start_capacity = self.len() + 1; let mut entries = Vec::with_capacity(start_capacity); @@ -53,8 +63,11 @@ impl<'a> TokenList<'a> for &'a [TokenTree] { } } -impl<'a> TokenList<'a> for &'a Subtree { - fn entries(&self) -> (Vec<(usize, (&'a Subtree, Option<&'a TokenTree>))>, Vec<Entry<'a>>) { +impl<'a, Span> TokenList<'a, Span> for &'a Subtree<Span> { + fn entries( + &self, + ) -> (Vec<(usize, (&'a Subtree<Span>, Option<&'a TokenTree<Span>>))>, Vec<Entry<'a, Span>>) + { // Must contain everything in tokens and then the Entry::End let mut entries = vec![]; let mut children = vec![]; @@ -64,25 +77,25 @@ impl<'a> TokenList<'a> for &'a Subtree { } } -impl<'t> TokenBuffer<'t> { - pub fn from_tokens(tokens: &'t [TokenTree]) -> TokenBuffer<'t> { +impl<'t, Span> TokenBuffer<'t, Span> { + pub fn from_tokens(tokens: &'t [TokenTree<Span>]) -> TokenBuffer<'t, Span> { Self::new(tokens) } - pub fn from_subtree(subtree: &'t Subtree) -> TokenBuffer<'t> { + pub fn from_subtree(subtree: &'t Subtree<Span>) -> TokenBuffer<'t, Span> { Self::new(subtree) } - fn new<T: TokenList<'t>>(tokens: T) -> TokenBuffer<'t> { + fn new<T: TokenList<'t, Span>>(tokens: T) -> TokenBuffer<'t, Span> { let mut buffers = vec![]; let idx = TokenBuffer::new_inner(tokens, &mut buffers, None); assert_eq!(idx, 0); TokenBuffer { buffers } } - fn new_inner<T: TokenList<'t>>( + fn new_inner<T: TokenList<'t, Span>>( tokens: T, - buffers: &mut Vec<Box<[Entry<'t>]>>, + buffers: &mut Vec<Box<[Entry<'t, Span>]>>, next: Option<EntryPtr>, ) -> usize { let (children, mut entries) = tokens.entries(); @@ -105,25 +118,25 @@ impl<'t> TokenBuffer<'t> { /// Creates a cursor referencing the first token in the buffer and able to /// traverse until the end of the buffer. - pub fn begin(&self) -> Cursor<'_> { + pub fn begin(&self) -> Cursor<'_, Span> { Cursor::create(self, EntryPtr(EntryId(0), 0)) } - fn entry(&self, ptr: &EntryPtr) -> Option<&Entry<'_>> { + fn entry(&self, ptr: &EntryPtr) -> Option<&Entry<'_, Span>> { let id = ptr.0; self.buffers[id.0].get(ptr.1) } } #[derive(Debug)] -pub enum TokenTreeRef<'a> { - Subtree(&'a Subtree, Option<&'a TokenTree>), - Leaf(&'a Leaf, &'a TokenTree), +pub enum TokenTreeRef<'a, Span> { + Subtree(&'a Subtree<Span>, Option<&'a TokenTree<Span>>), + Leaf(&'a Leaf<Span>, &'a TokenTree<Span>), } -impl<'a> TokenTreeRef<'a> { - pub fn cloned(&self) -> TokenTree { - match &self { +impl<'a, Span: Clone> TokenTreeRef<'a, Span> { + pub fn cloned(&self) -> TokenTree<Span> { + match self { TokenTreeRef::Subtree(subtree, tt) => match tt { Some(it) => (*it).clone(), None => (*subtree).clone().into(), @@ -135,20 +148,20 @@ impl<'a> TokenTreeRef<'a> { /// A safe version of `Cursor` from `syn` crate <https://github.com/dtolnay/syn/blob/6533607f91686545cb034d2838beea338d9d0742/src/buffer.rs#L125> #[derive(Copy, Clone, Debug)] -pub struct Cursor<'a> { - buffer: &'a TokenBuffer<'a>, +pub struct Cursor<'a, Span> { + buffer: &'a TokenBuffer<'a, Span>, ptr: EntryPtr, } -impl<'a> PartialEq for Cursor<'a> { - fn eq(&self, other: &Cursor<'_>) -> bool { +impl<'a, Span> PartialEq for Cursor<'a, Span> { + fn eq(&self, other: &Cursor<'_, Span>) -> bool { self.ptr == other.ptr && std::ptr::eq(self.buffer, other.buffer) } } -impl<'a> Eq for Cursor<'a> {} +impl<'a, Span> Eq for Cursor<'a, Span> {} -impl<'a> Cursor<'a> { +impl<'a, Span> Cursor<'a, Span> { /// Check whether it is eof pub fn eof(self) -> bool { matches!(self.buffer.entry(&self.ptr), None | Some(Entry::End(None))) @@ -156,7 +169,7 @@ impl<'a> Cursor<'a> { /// If the cursor is pointing at the end of a subtree, returns /// the parent subtree - pub fn end(self) -> Option<&'a Subtree> { + pub fn end(self) -> Option<&'a Subtree<Span>> { match self.entry() { Some(Entry::End(Some(ptr))) => { let idx = ptr.1; @@ -171,13 +184,13 @@ impl<'a> Cursor<'a> { } } - fn entry(self) -> Option<&'a Entry<'a>> { + fn entry(&self) -> Option<&'a Entry<'a, Span>> { self.buffer.entry(&self.ptr) } /// If the cursor is pointing at a `Subtree`, returns /// a cursor into that subtree - pub fn subtree(self) -> Option<Cursor<'a>> { + pub fn subtree(self) -> Option<Cursor<'a, Span>> { match self.entry() { Some(Entry::Subtree(_, _, entry_id)) => { Some(Cursor::create(self.buffer, EntryPtr(*entry_id, 0))) @@ -187,7 +200,7 @@ impl<'a> Cursor<'a> { } /// If the cursor is pointing at a `TokenTree`, returns it - pub fn token_tree(self) -> Option<TokenTreeRef<'a>> { + pub fn token_tree(self) -> Option<TokenTreeRef<'a, Span>> { match self.entry() { Some(Entry::Leaf(tt)) => match tt { TokenTree::Leaf(leaf) => Some(TokenTreeRef::Leaf(leaf, tt)), @@ -198,12 +211,12 @@ impl<'a> Cursor<'a> { } } - fn create(buffer: &'a TokenBuffer<'_>, ptr: EntryPtr) -> Cursor<'a> { + fn create(buffer: &'a TokenBuffer<'_, Span>, ptr: EntryPtr) -> Cursor<'a, Span> { Cursor { buffer, ptr } } /// Bump the cursor - pub fn bump(self) -> Cursor<'a> { + pub fn bump(self) -> Cursor<'a, Span> { if let Some(Entry::End(exit)) = self.buffer.entry(&self.ptr) { match exit { Some(exit) => Cursor::create(self.buffer, *exit), @@ -216,10 +229,16 @@ impl<'a> Cursor<'a> { /// Bump the cursor, if it is a subtree, returns /// a cursor into that subtree - pub fn bump_subtree(self) -> Cursor<'a> { + pub fn bump_subtree(self) -> Cursor<'a, Span> { match self.entry() { - Some(Entry::Subtree(_, _, _)) => self.subtree().unwrap(), - _ => self.bump(), + Some(&Entry::Subtree(_, _, entry_id)) => { + Cursor::create(self.buffer, EntryPtr(entry_id, 0)) + } + Some(Entry::End(exit)) => match exit { + Some(exit) => Cursor::create(self.buffer, *exit), + None => self, + }, + _ => Cursor::create(self.buffer, EntryPtr(self.ptr.0, self.ptr.1 + 1)), } } diff --git a/src/tools/rust-analyzer/crates/tt/src/lib.rs b/src/tools/rust-analyzer/crates/tt/src/lib.rs index 353b09fd8c1..b7dbc82e1d6 100644 --- a/src/tools/rust-analyzer/crates/tt/src/lib.rs +++ b/src/tools/rust-analyzer/crates/tt/src/lib.rs @@ -16,45 +16,106 @@ pub use smol_str::SmolStr; /// which source tokens. We do it by assigning an distinct identity to each /// source token and making sure that identities are preserved during macro /// expansion. -#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +#[derive(Clone, Copy, PartialEq, Eq, Hash)] pub struct TokenId(pub u32); +impl fmt::Debug for TokenId { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + self.0.fmt(f) + } +} + impl TokenId { + pub const UNSPECIFIED: TokenId = TokenId(!0); pub const fn unspecified() -> TokenId { - TokenId(!0) + Self::UNSPECIFIED } } -#[derive(Debug, Clone, PartialEq, Eq, Hash)] -pub enum TokenTree { - Leaf(Leaf), - Subtree(Subtree), -} -impl_from!(Leaf, Subtree for TokenTree); +pub mod token_id { + pub use crate::{DelimiterKind, Spacing, TokenId}; + pub type Span = crate::TokenId; + pub type Subtree = crate::Subtree<Span>; + pub type Punct = crate::Punct<Span>; + pub type Delimiter = crate::Delimiter<Span>; + pub type Leaf = crate::Leaf<Span>; + pub type Ident = crate::Ident<Span>; + pub type Literal = crate::Literal<Span>; + pub type TokenTree = crate::TokenTree<Span>; + pub mod buffer { + pub type TokenBuffer<'a> = crate::buffer::TokenBuffer<'a, super::Span>; + pub type Cursor<'a> = crate::buffer::Cursor<'a, super::Span>; + pub type TokenTreeRef<'a> = crate::buffer::TokenTreeRef<'a, super::Span>; + } -impl TokenTree { - pub fn empty() -> Self { - TokenTree::Subtree(Subtree::default()) + impl Delimiter { + pub const UNSPECIFIED: Self = Self { + open: TokenId::UNSPECIFIED, + close: TokenId::UNSPECIFIED, + kind: DelimiterKind::Invisible, + }; + pub const fn unspecified() -> Self { + Self::UNSPECIFIED + } + } + impl Subtree { + pub const fn empty() -> Self { + Subtree { delimiter: Delimiter::unspecified(), token_trees: vec![] } + } + } + impl TokenTree { + pub const fn empty() -> Self { + Self::Subtree(Subtree { delimiter: Delimiter::unspecified(), token_trees: vec![] }) + } } } +#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +pub struct SyntaxContext(pub u32); + +// #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] +// pub struct Span { +// pub id: TokenId, +// pub ctx: SyntaxContext, +// } +// pub type Span = (TokenId, SyntaxContext); + #[derive(Debug, Clone, PartialEq, Eq, Hash)] -pub enum Leaf { - Literal(Literal), - Punct(Punct), - Ident(Ident), +pub enum TokenTree<Span> { + Leaf(Leaf<Span>), + Subtree(Subtree<Span>), } -impl_from!(Literal, Punct, Ident for Leaf); +impl_from!(Leaf<Span>, Subtree<Span> for TokenTree); -#[derive(Clone, PartialEq, Eq, Hash, Default)] -pub struct Subtree { - pub delimiter: Option<Delimiter>, - pub token_trees: Vec<TokenTree>, +#[derive(Debug, Clone, PartialEq, Eq, Hash)] +pub enum Leaf<Span> { + Literal(Literal<Span>), + Punct(Punct<Span>), + Ident(Ident<Span>), +} + +impl<Span> Leaf<Span> { + pub fn span(&self) -> &Span { + match self { + Leaf::Literal(it) => &it.span, + Leaf::Punct(it) => &it.span, + Leaf::Ident(it) => &it.span, + } + } +} +impl_from!(Literal<Span>, Punct<Span>, Ident<Span> for Leaf); + +#[derive(Clone, PartialEq, Eq, Hash)] +pub struct Subtree<Span> { + // FIXME, this should not be Option + pub delimiter: Delimiter<Span>, + pub token_trees: Vec<TokenTree<Span>>, } #[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)] -pub struct Delimiter { - pub id: TokenId, +pub struct Delimiter<Span> { + pub open: Span, + pub close: Span, pub kind: DelimiterKind, } @@ -63,19 +124,20 @@ pub enum DelimiterKind { Parenthesis, Brace, Bracket, + Invisible, } #[derive(Debug, Clone, PartialEq, Eq, Hash)] -pub struct Literal { +pub struct Literal<Span> { pub text: SmolStr, - pub id: TokenId, + pub span: Span, } #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] -pub struct Punct { +pub struct Punct<Span> { pub char: char, pub spacing: Spacing, - pub id: TokenId, + pub span: Span, } #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] @@ -85,39 +147,25 @@ pub enum Spacing { } #[derive(Debug, Clone, PartialEq, Eq, Hash)] -pub struct Ident { - /// Identifier or keyword. Unlike rustc, we keep "r#" prefix when it represents a raw identifier. +/// Identifier or keyword. Unlike rustc, we keep "r#" prefix when it represents a raw identifier. +pub struct Ident<Span> { pub text: SmolStr, - pub id: TokenId, + pub span: Span, } -impl Ident { - /// Constructor intended to be used only by proc macro server. `text` should not contain raw - /// identifier prefix. - pub fn new_with_is_raw(text: SmolStr, id: TokenId, is_raw: bool) -> Self { - let text = if is_raw { SmolStr::from_iter(["r#", &text]) } else { text }; - Ident { text, id } - } -} - -impl Leaf { - pub fn id(&self) -> TokenId { - match self { - Leaf::Literal(l) => l.id, - Leaf::Punct(p) => p.id, - Leaf::Ident(i) => i.id, - } - } -} - -fn print_debug_subtree(f: &mut fmt::Formatter<'_>, subtree: &Subtree, level: usize) -> fmt::Result { +fn print_debug_subtree<Span: fmt::Debug>( + f: &mut fmt::Formatter<'_>, + subtree: &Subtree<Span>, + level: usize, +) -> fmt::Result { let align = " ".repeat(level); - let aux = match subtree.delimiter.map(|it| (it.kind, it.id.0)) { - None => "$".to_string(), - Some((DelimiterKind::Parenthesis, id)) => format!("() {id}"), - Some((DelimiterKind::Brace, id)) => format!("{{}} {id}"), - Some((DelimiterKind::Bracket, id)) => format!("[] {id}"), + let Delimiter { kind, open, close } = &subtree.delimiter; + let aux = match kind { + DelimiterKind::Invisible => format!("$$ {:?} {:?}", open, close), + DelimiterKind::Parenthesis => format!("() {:?} {:?}", open, close), + DelimiterKind::Brace => format!("{{}} {:?} {:?}", open, close), + DelimiterKind::Bracket => format!("[] {:?} {:?}", open, close), }; if subtree.token_trees.is_empty() { @@ -135,21 +183,25 @@ fn print_debug_subtree(f: &mut fmt::Formatter<'_>, subtree: &Subtree, level: usi Ok(()) } -fn print_debug_token(f: &mut fmt::Formatter<'_>, tkn: &TokenTree, level: usize) -> fmt::Result { +fn print_debug_token<Span: fmt::Debug>( + f: &mut fmt::Formatter<'_>, + tkn: &TokenTree<Span>, + level: usize, +) -> fmt::Result { let align = " ".repeat(level); match tkn { TokenTree::Leaf(leaf) => match leaf { - Leaf::Literal(lit) => write!(f, "{align}LITERAL {} {}", lit.text, lit.id.0)?, + Leaf::Literal(lit) => write!(f, "{}LITERAL {} {:?}", align, lit.text, lit.span)?, Leaf::Punct(punct) => write!( f, - "{}PUNCH {} [{}] {}", + "{}PUNCH {} [{}] {:?}", align, punct.char, if punct.spacing == Spacing::Alone { "alone" } else { "joint" }, - punct.id.0 + punct.span )?, - Leaf::Ident(ident) => write!(f, "{align}IDENT {} {}", ident.text, ident.id.0)?, + Leaf::Ident(ident) => write!(f, "{}IDENT {} {:?}", align, ident.text, ident.span)?, }, TokenTree::Subtree(subtree) => { print_debug_subtree(f, subtree, level)?; @@ -159,13 +211,13 @@ fn print_debug_token(f: &mut fmt::Formatter<'_>, tkn: &TokenTree, level: usize) Ok(()) } -impl fmt::Debug for Subtree { +impl<Span: fmt::Debug> fmt::Debug for Subtree<Span> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { print_debug_subtree(f, self, 0) } } -impl fmt::Display for TokenTree { +impl<Span> fmt::Display for TokenTree<Span> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self { TokenTree::Leaf(it) => fmt::Display::fmt(it, f), @@ -174,13 +226,13 @@ impl fmt::Display for TokenTree { } } -impl fmt::Display for Subtree { +impl<Span> fmt::Display for Subtree<Span> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let (l, r) = match self.delimiter_kind() { - Some(DelimiterKind::Parenthesis) => ("(", ")"), - Some(DelimiterKind::Brace) => ("{", "}"), - Some(DelimiterKind::Bracket) => ("[", "]"), - None => ("", ""), + let (l, r) = match self.delimiter.kind { + DelimiterKind::Parenthesis => ("(", ")"), + DelimiterKind::Brace => ("{", "}"), + DelimiterKind::Bracket => ("[", "]"), + DelimiterKind::Invisible => ("", ""), }; f.write_str(l)?; let mut needs_space = false; @@ -202,7 +254,7 @@ impl fmt::Display for Subtree { } } -impl fmt::Display for Leaf { +impl<Span> fmt::Display for Leaf<Span> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { match self { Leaf::Ident(it) => fmt::Display::fmt(it, f), @@ -212,25 +264,25 @@ impl fmt::Display for Leaf { } } -impl fmt::Display for Ident { +impl<Span> fmt::Display for Ident<Span> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::Display::fmt(&self.text, f) } } -impl fmt::Display for Literal { +impl<Span> fmt::Display for Literal<Span> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::Display::fmt(&self.text, f) } } -impl fmt::Display for Punct { +impl<Span> fmt::Display for Punct<Span> { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { fmt::Display::fmt(&self.char, f) } } -impl Subtree { +impl<Span> Subtree<Span> { /// Count the number of tokens recursively pub fn count(&self) -> usize { let children_count = self @@ -244,20 +296,16 @@ impl Subtree { self.token_trees.len() + children_count } - - pub fn delimiter_kind(&self) -> Option<DelimiterKind> { - self.delimiter.map(|it| it.kind) - } } -impl Subtree { +impl<Span> Subtree<Span> { /// A simple line string used for debugging pub fn as_debug_string(&self) -> String { - let delim = match self.delimiter_kind() { - Some(DelimiterKind::Brace) => ("{", "}"), - Some(DelimiterKind::Bracket) => ("[", "]"), - Some(DelimiterKind::Parenthesis) => ("(", ")"), - None => (" ", " "), + let delim = match self.delimiter.kind { + DelimiterKind::Brace => ("{", "}"), + DelimiterKind::Bracket => ("[", "]"), + DelimiterKind::Parenthesis => ("(", ")"), + DelimiterKind::Invisible => ("$", "$"), }; let mut res = String::new(); @@ -275,7 +323,7 @@ impl Subtree { (Leaf::Ident(_), Some(&TokenTree::Leaf(Leaf::Ident(_)))) => { " ".to_string() + &s } - (Leaf::Punct(_), Some(&TokenTree::Leaf(Leaf::Punct(punct)))) => { + (Leaf::Punct(_), Some(TokenTree::Leaf(Leaf::Punct(punct)))) => { if punct.spacing == Spacing::Alone { " ".to_string() + &s } else { @@ -298,19 +346,19 @@ impl Subtree { pub mod buffer; -pub fn pretty(tkns: &[TokenTree]) -> String { - fn tokentree_to_text(tkn: &TokenTree) -> String { +pub fn pretty<Span>(tkns: &[TokenTree<Span>]) -> String { + fn tokentree_to_text<Span>(tkn: &TokenTree<Span>) -> String { match tkn { TokenTree::Leaf(Leaf::Ident(ident)) => ident.text.clone().into(), TokenTree::Leaf(Leaf::Literal(literal)) => literal.text.clone().into(), TokenTree::Leaf(Leaf::Punct(punct)) => format!("{}", punct.char), TokenTree::Subtree(subtree) => { let content = pretty(&subtree.token_trees); - let (open, close) = match subtree.delimiter.map(|it| it.kind) { - None => ("", ""), - Some(DelimiterKind::Brace) => ("{", "}"), - Some(DelimiterKind::Parenthesis) => ("(", ")"), - Some(DelimiterKind::Bracket) => ("[", "]"), + let (open, close) = match subtree.delimiter.kind { + DelimiterKind::Brace => ("{", "}"), + DelimiterKind::Bracket => ("[", "]"), + DelimiterKind::Parenthesis => ("(", ")"), + DelimiterKind::Invisible => ("", ""), }; format!("{open}{content}{close}") } diff --git a/src/tools/rust-analyzer/crates/vfs-notify/Cargo.toml b/src/tools/rust-analyzer/crates/vfs-notify/Cargo.toml index 061f3c157a8..e06b98d8118 100644 --- a/src/tools/rust-analyzer/crates/vfs-notify/Cargo.toml +++ b/src/tools/rust-analyzer/crates/vfs-notify/Cargo.toml @@ -2,9 +2,11 @@ name = "vfs-notify" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -16,5 +18,5 @@ walkdir = "2.3.2" crossbeam-channel = "0.5.5" notify = "5.0" -vfs = { path = "../vfs", version = "0.0.0" } -paths = { path = "../paths", version = "0.0.0" } +vfs.workspace = true +paths.workspace = true diff --git a/src/tools/rust-analyzer/crates/vfs/Cargo.toml b/src/tools/rust-analyzer/crates/vfs/Cargo.toml index e55bf6f293c..802a300060f 100644 --- a/src/tools/rust-analyzer/crates/vfs/Cargo.toml +++ b/src/tools/rust-analyzer/crates/vfs/Cargo.toml @@ -2,9 +2,11 @@ name = "vfs" version = "0.0.0" description = "TBD" -license = "MIT OR Apache-2.0" -edition = "2021" -rust-version = "1.65" + +authors.workspace = true +edition.workspace = true +license.workspace = true +rust-version.workspace = true [lib] doctest = false @@ -14,5 +16,5 @@ rustc-hash = "1.1.0" fst = "0.4.7" indexmap = "1.9.1" -paths = { path = "../paths", version = "0.0.0" } -stdx = { path = "../stdx", version = "0.0.0" } +paths.workspace = true +stdx.workspace = true diff --git a/src/tools/rust-analyzer/crates/vfs/src/lib.rs b/src/tools/rust-analyzer/crates/vfs/src/lib.rs index c61f30387b7..14972d29074 100644 --- a/src/tools/rust-analyzer/crates/vfs/src/lib.rs +++ b/src/tools/rust-analyzer/crates/vfs/src/lib.rs @@ -75,6 +75,7 @@ pub struct Vfs { } /// Changed file in the [`Vfs`]. +#[derive(Debug)] pub struct ChangedFile { /// Id of the changed file pub file_id: FileId, @@ -161,9 +162,9 @@ impl Vfs { let file_id = self.alloc_file_id(path); let change_kind = match (&self.get(file_id), &contents) { (None, None) => return false, + (Some(old), Some(new)) if old == new => return false, (None, Some(_)) => ChangeKind::Create, (Some(_), None) => ChangeKind::Delete, - (Some(old), Some(new)) if old == new => return false, (Some(_), Some(_)) => ChangeKind::Modify, }; diff --git a/src/tools/rust-analyzer/crates/vfs/src/vfs_path.rs b/src/tools/rust-analyzer/crates/vfs/src/vfs_path.rs index b23c9f1966d..38501a8ba5a 100644 --- a/src/tools/rust-analyzer/crates/vfs/src/vfs_path.rs +++ b/src/tools/rust-analyzer/crates/vfs/src/vfs_path.rs @@ -1,7 +1,7 @@ //! Abstract-ish representation of paths for VFS. use std::fmt; -use paths::{AbsPath, AbsPathBuf}; +use paths::{AbsPath, AbsPathBuf, RelPath}; /// Path in [`Vfs`]. /// @@ -84,6 +84,14 @@ impl VfsPath { } } + pub fn strip_prefix(&self, other: &VfsPath) -> Option<&RelPath> { + match (&self.0, &other.0) { + (VfsPathRepr::PathBuf(lhs), VfsPathRepr::PathBuf(rhs)) => lhs.strip_prefix(rhs), + (VfsPathRepr::VirtualPath(lhs), VfsPathRepr::VirtualPath(rhs)) => lhs.strip_prefix(rhs), + (VfsPathRepr::PathBuf(_) | VfsPathRepr::VirtualPath(_), _) => None, + } + } + /// Returns the `VfsPath` without its final component, if there is one. /// /// Returns [`None`] if the path is a root or prefix. @@ -320,6 +328,13 @@ impl VirtualPath { self.0.starts_with(&other.0) } + fn strip_prefix(&self, base: &VirtualPath) -> Option<&RelPath> { + <_ as AsRef<std::path::Path>>::as_ref(&self.0) + .strip_prefix(&base.0) + .ok() + .map(RelPath::new_unchecked) + } + /// Remove the last component of `self`. /// /// This will find the last `'/'` in `self`, and remove everything after it, diff --git a/src/tools/rust-analyzer/docs/dev/lsp-extensions.md b/src/tools/rust-analyzer/docs/dev/lsp-extensions.md index a4780af1a26..a794e866181 100644 --- a/src/tools/rust-analyzer/docs/dev/lsp-extensions.md +++ b/src/tools/rust-analyzer/docs/dev/lsp-extensions.md @@ -1,5 +1,5 @@ <!--- -lsp_ext.rs hash: 45bd7985265725c5 +lsp_ext.rs hash: ec29403e67dfd15b If you need to change the above hash to make the test pass, please check if you need to adjust this doc as well and ping this issue: diff --git a/src/tools/rust-analyzer/docs/user/generated_config.adoc b/src/tools/rust-analyzer/docs/user/generated_config.adoc index b33a2e79525..50e3670a7a8 100644 --- a/src/tools/rust-analyzer/docs/user/generated_config.adoc +++ b/src/tools/rust-analyzer/docs/user/generated_config.adoc @@ -99,6 +99,14 @@ Unsetting this disables sysroot loading. This option does not take effect until rust-analyzer is restarted. -- +[[rust-analyzer.cargo.sysrootSrc]]rust-analyzer.cargo.sysrootSrc (default: `null`):: ++ +-- +Relative path to the sysroot library sources. If left unset, this will default to +`{cargo.sysroot}/lib/rustlib/src/rust/library`. + +This option does not take effect until rust-analyzer is restarted. +-- [[rust-analyzer.cargo.target]]rust-analyzer.cargo.target (default: `null`):: + -- @@ -219,6 +227,11 @@ with `self` prefixed to them when inside a method. -- Whether to add parenthesis and argument snippets when completing function. -- +[[rust-analyzer.completion.limit]]rust-analyzer.completion.limit (default: `null`):: ++ +-- +Maximum number of completions to return. If `None`, the limit is infinite. +-- [[rust-analyzer.completion.postfix.enable]]rust-analyzer.completion.postfix.enable (default: `true`):: + -- @@ -486,11 +499,6 @@ Whether to show inlay type hints for elided lifetimes in function signatures. -- Whether to prefer using parameter names as the name for elided lifetime hints if possible. -- -[[rust-analyzer.inlayHints.locationLinks]]rust-analyzer.inlayHints.locationLinks (default: `true`):: -+ --- -Whether to use location links for parts of type mentioned in inlay hints. --- [[rust-analyzer.inlayHints.maxLength]]rust-analyzer.inlayHints.maxLength (default: `25`):: + -- diff --git a/src/tools/rust-analyzer/docs/user/manual.adoc b/src/tools/rust-analyzer/docs/user/manual.adoc index 1a4c70575b0..cb96feeb5e5 100644 --- a/src/tools/rust-analyzer/docs/user/manual.adoc +++ b/src/tools/rust-analyzer/docs/user/manual.adoc @@ -232,18 +232,66 @@ The `rust-analyzer` binary can be installed via https://brew.sh/[Homebrew]. $ brew install rust-analyzer ---- -=== Emacs +=== VS Code or VSCodium in Flatpak + +Setting up `rust-analyzer` with a Flatpak version of Code is not trivial because of the Flatpak sandbox. +While the sandbox can be disabled for some directories, `/usr/bin` will always be mounted under `/run/host/usr/bin`. +This prevents access to the system's C compiler, a system-wide installation of Rust, or any other libraries you might want to link to. +Some compilers and libraries can be acquired as Flatpak SDKs, such as `org.freedesktop.Sdk.Extension.rust-stable` or `org.freedesktop.Sdk.Extension.llvm15`. + +If you use a Flatpak SDK for Rust, there should be no extra steps necessary. -Note this excellent https://robert.kra.hn/posts/2021-02-07_rust-with-emacs/[guide] from https://github.com/rksm[@rksm]. +If you want to use Flatpak in combination with `rustup`, the following steps might help: + + - both Rust and `rustup` have to be installed using https://rustup.rs. Distro packages _will not_ work. + - you need to launch Code, open a terminal and run `echo $PATH` + - using https://flathub.org/apps/details/com.github.tchx84.Flatseal[Flatseal], you must add an environment variable called `PATH`. + Set its value to the output from above, appending `:~/.cargo/bin`, where `~` is the path to your home directory. + You must replace `~`, as it won't be expanded otherwise. + - while Flatseal is open, you must enable access to "All user files" + +A C compiler should already be available via `org.freedesktop.Sdk`. +Any other tools or libraries you will need to acquire from Flatpak. + +=== Emacs Prerequisites: You have installed the <<rust-analyzer-language-server-binary,`rust-analyzer` binary>>. -Emacs support is maintained as part of the https://github.com/emacs-lsp/lsp-mode[Emacs-LSP] package in https://github.com/emacs-lsp/lsp-mode/blob/master/lsp-rust.el[lsp-rust.el]. +To use `rust-analyzer`, you need to install and enable one of the two popular two popular LSP client implementations for Emacs, https://github.com/joaotavora/eglot[Eglot] or https://github.com/emacs-lsp/lsp-mode[LSP Mode]. Both enable `rust-analyzer` by default in rust buffers if it is available. + +==== Eglot + +Eglot is the more minimalistic and lightweight LSP client for Emacs, integrates well with existing Emacs functionality and will be built into Emacs starting from release 29. + +After installing Eglot, e.g. via `M-x package-install` (not needed from Emacs 29), you can enable it via the `M-x eglot` command or load it automatically in `rust-mode` via + +[source,emacs-lisp] +---- +(add-hook 'rust-mode-hook 'eglot-ensure) +---- + +For more detailed instructions and options see the https://joaotavora.github.io/eglot[Eglot manual] (also available from Emacs via `M-x info`) and the +https://github.com/joaotavora/eglot/blob/master/README.md[Eglot readme]. + +Eglot does not support the rust-analyzer extensions to the language-server protocol and does not aim to do so in the future. The https://github.com/nemethf/eglot-x#rust-analyzer-extensions[eglot-x] package adds experimental support for those LSP extensions. + +==== LSP Mode + +LSP-mode is the original LSP-client for emacs. Compared to Eglot it has a larger codebase and supports more features, like LSP protocol extensions. +With extension packages like https://github.com/emacs-lsp/lsp-mode[LSP UI] it offers a lot of visual eyecandy. +Further it integrates well with https://github.com/emacs-lsp/dap-mode[DAP mode] for support of the Debug Adapter Protocol. + +You can install LSP-mode via `M-x package-install` and then run it via the `M-x lsp` command or load it automatically in rust buffers with + +[source,emacs-lisp] +---- +(add-hook 'rust-mode-hook 'lsp-deferred) +---- + +For more information on how to set up LSP mode and its extension package see the instructions in the https://emacs-lsp.github.io/lsp-mode/page/installation[LSP mode manual]. +Also see the https://emacs-lsp.github.io/lsp-mode/page/lsp-rust-analyzer/[rust-analyzer section] for `rust-analyzer` specific options and commands, which you can optionally bind to keys. -1. Install the most recent version of `emacs-lsp` package by following the https://github.com/emacs-lsp/lsp-mode[Emacs-LSP instructions]. -2. Set `lsp-rust-server` to `'rust-analyzer`. -3. Run `lsp` in a Rust buffer. -4. (Optionally) bind commands like `lsp-rust-analyzer-join-lines`, `lsp-extend-selection` and `lsp-rust-analyzer-expand-macro` to keys. +Note the excellent https://robert.kra.hn/posts/2021-02-07_rust-with-emacs/[guide] from https://github.com/rksm[@rksm] on how to set-up Emacs for Rust development with LSP mode and several other packages. === Vim/NeoVim @@ -487,6 +535,47 @@ https://docs.helix-editor.com/[Helix] supports LSP by default. However, it won't install `rust-analyzer` automatically. You can follow instructions for installing <<rust-analyzer-language-server-binary,`rust-analyzer` binary>>. +=== Visual Studio 2022 + +There are multiple rust-analyzer extensions for Visual Studio 2022 on Windows: + +==== rust-analyzer.vs + +(License: Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International) + +https://marketplace.visualstudio.com/items?itemName=kitamstudios.RustAnalyzer[Visual Studio Marketplace] + +https://github.com/kitamstudios/rust-analyzer/[GitHub] + +Support for Rust development in the Visual Studio IDE is enabled by the link:https://marketplace.visualstudio.com/items?itemName=kitamstudios.RustAnalyzer[rust-analyzer] package. Either click on the download link or install from IDE's extension manager. +For now link:https://visualstudio.microsoft.com/downloads/[Visual Studio 2022] is required. All editions are supported viz. Community, Professional & Enterprise. +The package aims to provide 0-friction installation and therefore comes loaded with most things required including rust-analyzer binary. If anything it needs is missing, appropriate errors / warnings will guide the user. E.g. cargo.exe needs to be in path and the package will tell you as much. +This package is under rapid active development. So if you encounter any issues please file it at link:https://github.com/kitamstudios/rust-analyzer/[rust-analyzer.vs]. + +==== VS_RustAnalyzer + +(License: GPL) + +https://marketplace.visualstudio.com/items?itemName=cchharris.vsrustanalyzer[Visual Studio Marketplace] + +https://github.com/cchharris/VS-RustAnalyzer[GitHub] + +==== SourceGear Rust + +(License: closed source) + +https://marketplace.visualstudio.com/items?itemName=SourceGear.SourceGearRust[Visual Studio Marketplace] + +https://github.com/sourcegear/rust-vs-extension[GitHub (docs, issues, discussions)] + +* Free (no-cost) +* Supports all editions of Visual Studio 2022 on Windows: Community, Professional, or Enterprise + +=== Lapce + +https://lapce.dev/[Lapce] has a Rust plugin which you can install directly. +Unfortunately, it downloads an old version of `rust-analyzer`, but you can set the server path under Settings. + === Crates There is a package named `ra_ap_rust_analyzer` available on https://crates.io/crates/ra_ap_rust-analyzer[crates.io], for someone who wants to use it programmatically. @@ -684,14 +773,18 @@ See https://github.com/rust-analyzer/rust-project.json-example for a small examp You can set the `RA_LOG` environment variable to `rust_analyzer=info` to inspect how rust-analyzer handles config and project loading. -Note that calls to `cargo check` are disabled when using `rust-project.json` by default, so compilation errors and warnings will no longer be sent to your LSP client. To enable these compilation errors you will need to specify explicitly what command rust-analyzer should run to perform the checks using the `checkOnSave.overrideCommand` configuration. As an example, the following configuration explicitly sets `cargo check` as the `checkOnSave` command. +Note that calls to `cargo check` are disabled when using `rust-project.json` by default, so compilation errors and warnings will no longer be sent to your LSP client. +To enable these compilation errors you will need to specify explicitly what command rust-analyzer should run to perform the checks using the `rust-analyzer.check.overrideCommand` configuration. +As an example, the following configuration explicitly sets `cargo check` as the `check` command. [source,json] ---- -{ "rust-analyzer.checkOnSave.overrideCommand": ["cargo", "check", "--message-format=json"] } +{ "rust-analyzer.check.overrideCommand": ["cargo", "check", "--message-format=json"] } ---- -The `checkOnSave.overrideCommand` requires the command specified to output json error messages for rust-analyzer to consume. The `--message-format=json` flag does this for `cargo check` so whichever command you use must also output errors in this format. See the <<Configuration>> section for more information. +`check.overrideCommand` requires the command specified to output json error messages for rust-analyzer to consume. +The `--message-format=json` flag does this for `cargo check` so whichever command you use must also output errors in this format. +See the <<Configuration>> section for more information. == Security @@ -732,6 +825,10 @@ include::./generated_assists.adoc[] While most errors and warnings provided by rust-analyzer come from the `cargo check` integration, there's a growing number of diagnostics implemented using rust-analyzer's own analysis. Some of these diagnostics don't respect `\#[allow]` or `\#[deny]` attributes yet, but can be turned off using the `rust-analyzer.diagnostics.enable`, `rust-analyzer.diagnostics.experimental.enable` or `rust-analyzer.diagnostics.disabled` settings. +=== Clippy + +To run `cargo clippy` instead of `cargo check`, you can set `"rust-analyzer.check.command": "clippy"`. + include::./generated_diagnostic.adoc[] == Editor Features @@ -864,7 +961,7 @@ Also note that a full runnable name is something like *run bin_or_example_name*, Instead of relying on the built-in `cargo check`, you can configure Code to run a command in the background and use the `$rustc-watch` problem matcher to generate inline error markers from its output. -To do this you need to create a new https://code.visualstudio.com/docs/editor/tasks[VS Code Task] and set `rust-analyzer.checkOnSave.enable: false` in preferences. +To do this you need to create a new https://code.visualstudio.com/docs/editor/tasks[VS Code Task] and set `"rust-analyzer.checkOnSave": false` in preferences. For example, if you want to run https://crates.io/crates/cargo-watch[`cargo watch`] instead, you might add the following to `.vscode/tasks.json`: diff --git a/src/tools/rust-analyzer/editors/code/language-configuration.json b/src/tools/rust-analyzer/editors/code/language-configuration.json index b1ee0843e3e..51f0e65f4fd 100644 --- a/src/tools/rust-analyzer/editors/code/language-configuration.json +++ b/src/tools/rust-analyzer/editors/code/language-configuration.json @@ -35,8 +35,8 @@ }, "folding": { "markers": { - "start": "^\\s*//\\s*#?region\\b", - "end": "^\\s*//\\s*#?endregion\\b" + "start": "^\\s*// region:\\b", + "end": "^\\s*// endregion\\b" } } } diff --git a/src/tools/rust-analyzer/editors/code/package-lock.json b/src/tools/rust-analyzer/editors/code/package-lock.json index 4844837a06f..ef9be380ed1 100644 --- a/src/tools/rust-analyzer/editors/code/package-lock.json +++ b/src/tools/rust-analyzer/editors/code/package-lock.json @@ -34,16 +34,32 @@ "vscode": "^1.66.0" } }, + "node_modules/@esbuild/linux-loong64": { + "version": "0.14.54", + "resolved": "https://registry.npmjs.org/@esbuild/linux-loong64/-/linux-loong64-0.14.54.tgz", + "integrity": "sha512-bZBrLAIX1kpWelV0XemxBZllyRmM6vgFQQG2GdNb+r3Fkp0FOh1NJSvekXDs7jq70k4euu1cryLMfU+mTXlEpw==", + "cpu": [ + "loong64" + ], + "dev": true, + "optional": true, + "os": [ + "linux" + ], + "engines": { + "node": ">=12" + } + }, "node_modules/@eslint/eslintrc": { - "version": "1.3.0", - "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.3.0.tgz", - "integrity": "sha512-UWW0TMTmk2d7hLcWD1/e2g5HDM/HQ3csaLSqXCfqwh4uNDuNqlaKWXmEsL4Cs41Z0KnILNvwbHAah3C2yt06kw==", + "version": "1.4.1", + "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.4.1.tgz", + "integrity": "sha512-XXrH9Uarn0stsyldqDYq8r++mROmWRI1xKMXa640Bb//SY1+ECYX6VzT6Lcx5frD0V30XieqJ0oX9I2Xj5aoMA==", "dev": true, "dependencies": { "ajv": "^6.12.4", "debug": "^4.3.2", - "espree": "^9.3.2", - "globals": "^13.15.0", + "espree": "^9.4.0", + "globals": "^13.19.0", "ignore": "^5.2.0", "import-fresh": "^3.2.1", "js-yaml": "^4.1.0", @@ -52,6 +68,9 @@ }, "engines": { "node": "^12.22.0 || ^14.17.0 || >=16.0.0" + }, + "funding": { + "url": "https://opencollective.com/eslint" } }, "node_modules/@hpcc-js/wasm": { @@ -66,19 +85,32 @@ } }, "node_modules/@humanwhocodes/config-array": { - "version": "0.9.5", - "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.9.5.tgz", - "integrity": "sha512-ObyMyWxZiCu/yTisA7uzx81s40xR2fD5Cg/2Kq7G02ajkNubJf6BopgDTmDyc3U7sXpNKM8cYOw7s7Tyr+DnCw==", + "version": "0.11.8", + "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.11.8.tgz", + "integrity": "sha512-UybHIJzJnR5Qc/MsD9Kr+RpO2h+/P1GhOwdiLPXK5TWk5sgTdu88bTD9UP+CKbPPh5Rni1u0GjAdYQLemG8g+g==", "dev": true, "dependencies": { "@humanwhocodes/object-schema": "^1.2.1", "debug": "^4.1.1", - "minimatch": "^3.0.4" + "minimatch": "^3.0.5" }, "engines": { "node": ">=10.10.0" } }, + "node_modules/@humanwhocodes/module-importer": { + "version": "1.0.1", + "resolved": "https://registry.npmjs.org/@humanwhocodes/module-importer/-/module-importer-1.0.1.tgz", + "integrity": "sha512-bxveV4V8v5Yb4ncFTT3rPSgZBOpCkjfK0y4oVVVJwIuDVBRMDXrPyXRL988i5ap9m9bnyEEjWfm5WkBmtffLfA==", + "dev": true, + "engines": { + "node": ">=12.22" + }, + "funding": { + "type": "github", + "url": "https://github.com/sponsors/nzakas" + } + }, "node_modules/@humanwhocodes/object-schema": { "version": "1.2.1", "resolved": "https://registry.npmjs.org/@humanwhocodes/object-schema/-/object-schema-1.2.1.tgz", @@ -136,9 +168,15 @@ "dev": true }, "node_modules/@types/node": { - 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"@typescript-eslint/scope-manager": "5.30.5", - "@typescript-eslint/type-utils": "5.30.5", - "@typescript-eslint/utils": "5.30.5", + "@typescript-eslint/scope-manager": "5.48.2", + "@typescript-eslint/type-utils": "5.48.2", + "@typescript-eslint/utils": "5.48.2", "debug": "^4.3.4", - "functional-red-black-tree": "^1.0.1", "ignore": "^5.2.0", + "natural-compare-lite": "^1.4.0", "regexpp": "^3.2.0", "semver": "^7.3.7", "tsutils": "^3.21.0" @@ -181,14 +219,14 @@ } }, "node_modules/@typescript-eslint/parser": { - "version": "5.30.5", - "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.30.5.tgz", - "integrity": "sha512-zj251pcPXI8GO9NDKWWmygP6+UjwWmrdf9qMW/L/uQJBM/0XbU2inxe5io/234y/RCvwpKEYjZ6c1YrXERkK4Q==", + "version": "5.48.2", + "resolved": "https://registry.npmjs.org/@typescript-eslint/parser/-/parser-5.48.2.tgz", + "integrity": "sha512-38zMsKsG2sIuM5Oi/olurGwYJXzmtdsHhn5mI/pQogP+BjYVkK5iRazCQ8RGS0V+YLk282uWElN70zAAUmaYHw==", "dev": true, "dependencies": { - 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"resolved": "https://registry.npmjs.org/semver/-/semver-7.3.7.tgz", - "integrity": "sha512-QlYTucUYOews+WeEujDoEGziz4K6c47V/Bd+LjSSYcA94p+DmINdf7ncaUinThfvZyu13lN9OY1XDxt8C0Tw0g==", + "version": "7.3.8", + "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.8.tgz", + "integrity": "sha512-NB1ctGL5rlHrPJtFDVIVzTyQylMLu9N9VICA6HSFJo8MCGVTMW6gfpicwKmmK/dAjTOrqu5l63JJOpDSrAis3A==", "requires": { "lru-cache": "^6.0.0" } @@ -6237,9 +6479,9 @@ "dev": true }, "tslib": { - "version": "2.4.0", - "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.0.tgz", - "integrity": "sha512-d6xOpEDfsi2CZVlPQzGeux8XMwLT9hssAsaPYExaQMuYskwb+x1x7J371tWlbBdWHroy99KnVB6qIkUbs5X3UQ==", + "version": "2.4.1", + "resolved": "https://registry.npmjs.org/tslib/-/tslib-2.4.1.tgz", + "integrity": "sha512-tGyy4dAjRIEwI7BzsB0lynWgOpfqjUdq91XXAlIWD2OwKBH7oCl/GZG/HT4BOHrTlPMOASlMQ7veyTqpmRcrNA==", "dev": true }, "tsutils": { @@ -6301,9 +6543,9 @@ } }, "typescript": { - "version": "4.7.4", - "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.7.4.tgz", - "integrity": "sha512-C0WQT0gezHuw6AdY1M2jxUO83Rjf0HP7Sk1DtXj6j1EwkQNZrHAg2XPWlq62oqEhYvONq5pkC2Y9oPljWToLmQ==", + "version": "4.9.4", + "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.9.4.tgz", + "integrity": "sha512-Uz+dTXYzxXXbsFpM86Wh3dKCxrQqUcVMxwU54orwlJjOpO3ao8L7j5lH+dWfTwgCwIuM9GQ2kvVotzYJMXTBZg==", "dev": true }, "uc.micro": { @@ -6313,9 +6555,9 @@ "dev": true }, "underscore": { - "version": "1.13.4", - "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.4.tgz", - "integrity": "sha512-BQFnUDuAQ4Yf/cYY5LNrK9NCJFKriaRbD9uR1fTeXnBeoa97W0i41qkZfGO9pSo8I5KzjAcSY2XYtdf0oKd7KQ==", + "version": "1.13.6", + "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.6.tgz", + "integrity": "sha512-+A5Sja4HP1M08MaXya7p5LvjuM7K6q/2EaC0+iovj/wOcMsTzMvDFbasi/oSapiwOlt252IqsKqPjCl7huKS0A==", "dev": true }, "unzipper": { @@ -6357,16 +6599,10 @@ "integrity": "sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==", "dev": true }, - "v8-compile-cache": { - "version": "2.3.0", - "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.3.0.tgz", - "integrity": "sha512-l8lCEmLcLYZh4nbunNZvQCJc5pv7+RCwa8q/LdUx8u7lsWvPDKmpodJAJNwkAhJC//dFY48KuIEmjtd4RViDrA==", - "dev": true - }, "vsce": { - "version": "2.9.2", - "resolved": "https://registry.npmjs.org/vsce/-/vsce-2.9.2.tgz", - "integrity": "sha512-xyLqL4U82BilUX1t6Ym2opQEa2tLGWYjbgB7+ETeNVXlIJz5sWBJjQJSYJVFOKJSpiOtQclolu88cj7oY6vvPQ==", + "version": "2.15.0", + "resolved": "https://registry.npmjs.org/vsce/-/vsce-2.15.0.tgz", + "integrity": "sha512-P8E9LAZvBCQnoGoizw65JfGvyMqNGlHdlUXD1VAuxtvYAaHBKLBdKPnpy60XKVDAkQCfmMu53g+gq9FM+ydepw==", "dev": true, "requires": { "azure-devops-node-api": "^11.0.1", @@ -6584,6 +6820,12 @@ "requires": { "buffer-crc32": "~0.2.3" } + }, + "yocto-queue": { + "version": "0.1.0", + "resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz", + "integrity": "sha512-rVksvsnNCdJ/ohGc6xgPwyN8eheCxsiLM8mxuE/t/mOVqJewPuO1miLpTHQiRgTKCLexL4MeAFVagts7HmNZ2Q==", + "dev": true } } } diff --git a/src/tools/rust-analyzer/editors/code/package.json b/src/tools/rust-analyzer/editors/code/package.json index 930564bd7ca..3610e993f82 100644 --- a/src/tools/rust-analyzer/editors/code/package.json +++ b/src/tools/rust-analyzer/editors/code/package.json @@ -19,6 +19,12 @@ "categories": [ "Programming Languages" ], + "capabilities": { + "untrustedWorkspaces": { + "supported": false, + "description": "rust-analyzer invokes binaries set up by its configuration as well as the Rust toolchain's binaries. A malicious actor could exploit this to run arbitrary code on your machine." + } + }, "engines": { "vscode": "^1.66.0" }, @@ -539,6 +545,14 @@ "string" ] }, + "rust-analyzer.cargo.sysrootSrc": { + "markdownDescription": "Relative path to the sysroot library sources. If left unset, this will default to\n`{cargo.sysroot}/lib/rustlib/src/rust/library`.\n\nThis option does not take effect until rust-analyzer is restarted.", + "default": null, + "type": [ + "null", + "string" + ] + }, "rust-analyzer.cargo.target": { "markdownDescription": "Compilation target override (target triple).", "default": null, @@ -697,6 +711,15 @@ "Do no snippet completions for callables." ] }, + "rust-analyzer.completion.limit": { + "markdownDescription": "Maximum number of completions to return. If `None`, the limit is infinite.", + "default": null, + "type": [ + "null", + "integer" + ], + "minimum": 0 + }, "rust-analyzer.completion.postfix.enable": { "markdownDescription": "Whether to show postfix snippets like `dbg`, `if`, `not`, etc.", "default": true, @@ -1038,11 +1061,6 @@ "default": false, "type": "boolean" }, - "rust-analyzer.inlayHints.locationLinks": { - "markdownDescription": "Whether to use location links for parts of type mentioned in inlay hints.", - "default": true, - "type": "boolean" - }, "rust-analyzer.inlayHints.maxLength": { "markdownDescription": "Maximum length for inlay hints. Set to null to have an unlimited length.", "default": 25, diff --git a/src/tools/rust-analyzer/editors/code/src/bootstrap.ts b/src/tools/rust-analyzer/editors/code/src/bootstrap.ts index 374c3b8144c..b38fa06a85c 100644 --- a/src/tools/rust-analyzer/editors/code/src/bootstrap.ts +++ b/src/tools/rust-analyzer/editors/code/src/bootstrap.ts @@ -31,58 +31,12 @@ export async function bootstrap( return path; } - -async function patchelf(dest: vscode.Uri): Promise<void> { - await vscode.window.withProgress( - { - location: vscode.ProgressLocation.Notification, - title: "Patching rust-analyzer for NixOS", - }, - async (progress, _) => { - const expression = ` - {srcStr, pkgs ? import <nixpkgs> {}}: - pkgs.stdenv.mkDerivation { - name = "rust-analyzer"; - src = /. + srcStr; - phases = [ "installPhase" "fixupPhase" ]; - installPhase = "cp $src $out"; - fixupPhase = '' - chmod 755 $out - patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out - ''; - } - `; - const origFile = vscode.Uri.file(dest.fsPath + "-orig"); - await vscode.workspace.fs.rename(dest, origFile, { overwrite: true }); - try { - progress.report({ message: "Patching executable", increment: 20 }); - await new Promise((resolve, reject) => { - const handle = exec( - `nix-build -E - --argstr srcStr '${origFile.fsPath}' -o '${dest.fsPath}'`, - (err, stdout, stderr) => { - if (err != null) { - reject(Error(stderr)); - } else { - resolve(stdout); - } - } - ); - handle.stdin?.write(expression); - handle.stdin?.end(); - }); - } finally { - await vscode.workspace.fs.delete(origFile); - } - } - ); -} - async function getServer( context: vscode.ExtensionContext, config: Config, state: PersistentState ): Promise<string | undefined> { - const explicitPath = serverPath(config); + const explicitPath = process.env.__RA_LSP_SERVER_DEBUG ?? config.serverPath; if (explicitPath) { if (explicitPath.startsWith("~/")) { return os.homedir() + explicitPath.slice("~".length); @@ -131,9 +85,6 @@ async function getServer( ); return undefined; } -function serverPath(config: Config): string | null { - return process.env.__RA_LSP_SERVER_DEBUG ?? config.serverPath; -} async function isNixOs(): Promise<boolean> { try { @@ -146,3 +97,48 @@ async function isNixOs(): Promise<boolean> { return false; } } + +async function patchelf(dest: vscode.Uri): Promise<void> { + await vscode.window.withProgress( + { + location: vscode.ProgressLocation.Notification, + title: "Patching rust-analyzer for NixOS", + }, + async (progress, _) => { + const expression = ` + {srcStr, pkgs ? import <nixpkgs> {}}: + pkgs.stdenv.mkDerivation { + name = "rust-analyzer"; + src = /. + srcStr; + phases = [ "installPhase" "fixupPhase" ]; + installPhase = "cp $src $out"; + fixupPhase = '' + chmod 755 $out + patchelf --set-interpreter "$(cat $NIX_CC/nix-support/dynamic-linker)" $out + ''; + } + `; + const origFile = vscode.Uri.file(dest.fsPath + "-orig"); + await vscode.workspace.fs.rename(dest, origFile, { overwrite: true }); + try { + progress.report({ message: "Patching executable", increment: 20 }); + await new Promise((resolve, reject) => { + const handle = exec( + `nix-build -E - --argstr srcStr '${origFile.fsPath}' -o '${dest.fsPath}'`, + (err, stdout, stderr) => { + if (err != null) { + reject(Error(stderr)); + } else { + resolve(stdout); + } + } + ); + handle.stdin?.write(expression); + handle.stdin?.end(); + }); + } finally { + await vscode.workspace.fs.delete(origFile); + } + } + ); +} diff --git a/src/tools/rust-analyzer/editors/code/src/client.ts b/src/tools/rust-analyzer/editors/code/src/client.ts index 82cdf0390ac..62980ca0464 100644 --- a/src/tools/rust-analyzer/editors/code/src/client.ts +++ b/src/tools/rust-analyzer/editors/code/src/client.ts @@ -102,24 +102,6 @@ export async function createClient( } }, }, - async provideInlayHints(document, viewPort, token, next) { - const inlays = await next(document, viewPort, token); - if (!inlays) { - return inlays; - } - // U+200C is a zero-width non-joiner to prevent the editor from forming a ligature - // between code and hints - for (const inlay of inlays) { - if (typeof inlay.label === "string") { - inlay.label = `\u{200c}${inlay.label}\u{200c}`; - } else if (Array.isArray(inlay.label)) { - for (const it of inlay.label) { - it.value = `\u{200c}${it.value}\u{200c}`; - } - } - } - return inlays; - }, async handleDiagnostics( uri: vscode.Uri, diagnosticList: vscode.Diagnostic[], @@ -190,12 +172,10 @@ export async function createClient( ) .then( (result) => { + if (!result) return null; const hover = client.protocol2CodeConverter.asHover(result); - if (hover) { - const actions = (<any>result).actions; - if (actions) { - hover.contents.push(renderHoverActions(actions)); - } + if (!!result.actions) { + hover.contents.push(renderHoverActions(result.actions)); } return hover; }, @@ -328,25 +308,27 @@ class ExperimentalFeatures implements lc.StaticFeature { return { kind: "static" }; } fillClientCapabilities(capabilities: lc.ClientCapabilities): void { - const caps: any = capabilities.experimental ?? {}; - caps.snippetTextEdit = true; - caps.codeActionGroup = true; - caps.hoverActions = true; - caps.serverStatusNotification = true; - caps.colorDiagnosticOutput = true; - caps.commands = { - commands: [ - "rust-analyzer.runSingle", - "rust-analyzer.debugSingle", - "rust-analyzer.showReferences", - "rust-analyzer.gotoLocation", - "editor.action.triggerParameterHints", - ], + capabilities.experimental = { + snippetTextEdit: true, + codeActionGroup: true, + hoverActions: true, + serverStatusNotification: true, + colorDiagnosticOutput: true, + openServerLogs: true, + commands: { + commands: [ + "rust-analyzer.runSingle", + "rust-analyzer.debugSingle", + "rust-analyzer.showReferences", + "rust-analyzer.gotoLocation", + "editor.action.triggerParameterHints", + ], + }, + ...capabilities.experimental, }; - capabilities.experimental = caps; } initialize( - _capabilities: lc.ServerCapabilities<any>, + _capabilities: lc.ServerCapabilities, _documentSelector: lc.DocumentSelector | undefined ): void {} dispose(): void {} diff --git a/src/tools/rust-analyzer/editors/code/src/commands.ts b/src/tools/rust-analyzer/editors/code/src/commands.ts index cb4e13e2c60..b5b64e33e07 100644 --- a/src/tools/rust-analyzer/editors/code/src/commands.ts +++ b/src/tools/rust-analyzer/editors/code/src/commands.ts @@ -130,11 +130,11 @@ export function joinLines(ctx: CtxInit): Cmd { } export function moveItemUp(ctx: CtxInit): Cmd { - return moveItem(ctx, ra.Direction.Up); + return moveItem(ctx, "Up"); } export function moveItemDown(ctx: CtxInit): Cmd { - return moveItem(ctx, ra.Direction.Down); + return moveItem(ctx, "Down"); } export function moveItem(ctx: CtxInit, direction: ra.Direction): Cmd { diff --git a/src/tools/rust-analyzer/editors/code/src/config.ts b/src/tools/rust-analyzer/editors/code/src/config.ts index eb4f965291f..1faa0ad9106 100644 --- a/src/tools/rust-analyzer/editors/code/src/config.ts +++ b/src/tools/rust-analyzer/editors/code/src/config.ts @@ -1,5 +1,6 @@ -import * as path from "path"; +import * as Is from "vscode-languageclient/lib/common/utils/is"; import * as os from "os"; +import * as path from "path"; import * as vscode from "vscode"; import { Env } from "./client"; import { log } from "./util"; @@ -47,7 +48,7 @@ export class Config { } private refreshLogging() { - log.setEnabled(this.traceExtension); + log.setEnabled(this.traceExtension ?? false); log.info("Extension version:", this.package.version); const cfg = Object.entries(this.cfg).filter(([_, val]) => !(val instanceof Function)); @@ -86,58 +87,84 @@ export class Config { * [1]: https://github.com/Microsoft/vscode/issues/11514#issuecomment-244707076 */ private configureLanguage() { - if (this.typingContinueCommentsOnNewline && !this.configureLang) { + // Only need to dispose of the config if there's a change + if (this.configureLang) { + this.configureLang.dispose(); + this.configureLang = undefined; + } + + let onEnterRules: vscode.OnEnterRule[] = [ + { + // Carry indentation from the previous line + beforeText: /^\s*$/, + action: { indentAction: vscode.IndentAction.None }, + }, + { + // After the end of a function/field chain, + // with the semicolon on the same line + beforeText: /^\s+\..*;/, + action: { indentAction: vscode.IndentAction.Outdent }, + }, + { + // After the end of a function/field chain, + // with semicolon detached from the rest + beforeText: /^\s+;/, + previousLineText: /^\s+\..*/, + action: { indentAction: vscode.IndentAction.Outdent }, + }, + ]; + + if (this.typingContinueCommentsOnNewline) { const indentAction = vscode.IndentAction.None; - this.configureLang = vscode.languages.setLanguageConfiguration("rust", { - onEnterRules: [ - { - // Doc single-line comment - // e.g. ///| - beforeText: /^\s*\/{3}.*$/, - action: { indentAction, appendText: "/// " }, - }, - { - // Parent doc single-line comment - // e.g. //!| - beforeText: /^\s*\/{2}\!.*$/, - action: { indentAction, appendText: "//! " }, - }, - { - // Begins an auto-closed multi-line comment (standard or parent doc) - // e.g. /** | */ or /*! | */ - beforeText: /^\s*\/\*(\*|\!)(?!\/)([^\*]|\*(?!\/))*$/, - afterText: /^\s*\*\/$/, - action: { - indentAction: vscode.IndentAction.IndentOutdent, - appendText: " * ", - }, - }, - { - // Begins a multi-line comment (standard or parent doc) - // e.g. /** ...| or /*! ...| - beforeText: /^\s*\/\*(\*|\!)(?!\/)([^\*]|\*(?!\/))*$/, - action: { indentAction, appendText: " * " }, - }, - { - // Continues a multi-line comment - // e.g. * ...| - beforeText: /^(\ \ )*\ \*(\ ([^\*]|\*(?!\/))*)?$/, - action: { indentAction, appendText: "* " }, + onEnterRules = [ + ...onEnterRules, + { + // Doc single-line comment + // e.g. ///| + beforeText: /^\s*\/{3}.*$/, + action: { indentAction, appendText: "/// " }, + }, + { + // Parent doc single-line comment + // e.g. //!| + beforeText: /^\s*\/{2}\!.*$/, + action: { indentAction, appendText: "//! " }, + }, + { + // Begins an auto-closed multi-line comment (standard or parent doc) + // e.g. /** | */ or /*! | */ + beforeText: /^\s*\/\*(\*|\!)(?!\/)([^\*]|\*(?!\/))*$/, + afterText: /^\s*\*\/$/, + action: { + indentAction: vscode.IndentAction.IndentOutdent, + appendText: " * ", }, - { - // Dedents after closing a multi-line comment - // e.g. */| - beforeText: /^(\ \ )*\ \*\/\s*$/, - action: { indentAction, removeText: 1 }, - }, - ], - }); - } - if (!this.typingContinueCommentsOnNewline && this.configureLang) { - this.configureLang.dispose(); - this.configureLang = undefined; + }, + { + // Begins a multi-line comment (standard or parent doc) + // e.g. /** ...| or /*! ...| + beforeText: /^\s*\/\*(\*|\!)(?!\/)([^\*]|\*(?!\/))*$/, + action: { indentAction, appendText: " * " }, + }, + { + // Continues a multi-line comment + // e.g. * ...| + beforeText: /^(\ \ )*\ \*(\ ([^\*]|\*(?!\/))*)?$/, + action: { indentAction, appendText: "* " }, + }, + { + // Dedents after closing a multi-line comment + // e.g. */| + beforeText: /^(\ \ )*\ \*\/\s*$/, + action: { indentAction, removeText: 1 }, + }, + ]; } + + this.configureLang = vscode.languages.setLanguageConfiguration("rust", { + onEnterRules, + }); } // We don't do runtime config validation here for simplicity. More on stackoverflow: @@ -163,18 +190,24 @@ export class Config { * ``` * So this getter handles this quirk by not requiring the caller to use postfix `!` */ - private get<T>(path: string): T { - return this.cfg.get<T>(path)!; + private get<T>(path: string): T | undefined { + return substituteVSCodeVariables(this.cfg.get<T>(path)); } get serverPath() { return this.get<null | string>("server.path") ?? this.get<null | string>("serverPath"); } + get serverExtraEnv(): Env { const extraEnv = this.get<{ [key: string]: string | number } | null>("server.extraEnv") ?? {}; - return Object.fromEntries( - Object.entries(extraEnv).map(([k, v]) => [k, typeof v !== "string" ? v.toString() : v]) + return substituteVariablesInEnv( + Object.fromEntries( + Object.entries(extraEnv).map(([k, v]) => [ + k, + typeof v !== "string" ? v.toString() : v, + ]) + ) ); } get traceExtension() { @@ -216,13 +249,13 @@ export class Config { if (sourceFileMap !== "auto") { // "/rustc/<id>" used by suggestions only. const { ["/rustc/<id>"]: _, ...trimmed } = - this.get<Record<string, string>>("debug.sourceFileMap"); + this.get<Record<string, string>>("debug.sourceFileMap") ?? {}; sourceFileMap = trimmed; } return { engine: this.get<string>("debug.engine"), - engineSettings: this.get<object>("debug.engineSettings"), + engineSettings: this.get<object>("debug.engineSettings") ?? {}, openDebugPane: this.get<boolean>("debug.openDebugPane"), sourceFileMap: sourceFileMap, }; @@ -247,37 +280,25 @@ export class Config { } } -const VarRegex = new RegExp(/\$\{(.+?)\}/g); - -export function substituteVSCodeVariableInString(val: string): string { - return val.replace(VarRegex, (substring: string, varName) => { - if (typeof varName === "string") { - return computeVscodeVar(varName) || substring; - } else { - return substring; - } - }); -} - -export function substituteVSCodeVariables(resp: any): any { - if (typeof resp === "string") { - return substituteVSCodeVariableInString(resp); - } else if (resp && Array.isArray(resp)) { +export function substituteVSCodeVariables<T>(resp: T): T { + if (Is.string(resp)) { + return substituteVSCodeVariableInString(resp) as T; + } else if (resp && Is.array<any>(resp)) { return resp.map((val) => { return substituteVSCodeVariables(val); - }); + }) as T; } else if (resp && typeof resp === "object") { const res: { [key: string]: any } = {}; for (const key in resp) { const val = resp[key]; res[key] = substituteVSCodeVariables(val); } - return res; - } else if (typeof resp === "function") { - return null; + return res as T; } return resp; } + +// FIXME: Merge this with `substituteVSCodeVariables` above export function substituteVariablesInEnv(env: Env): Env { const missingDeps = new Set<string>(); // vscode uses `env:ENV_NAME` for env vars resolution, and it's easier @@ -355,6 +376,17 @@ export function substituteVariablesInEnv(env: Env): Env { return resolvedEnv; } +const VarRegex = new RegExp(/\$\{(.+?)\}/g); +function substituteVSCodeVariableInString(val: string): string { + return val.replace(VarRegex, (substring: string, varName) => { + if (Is.string(varName)) { + return computeVscodeVar(varName) || substring; + } else { + return substring; + } + }); +} + function computeVscodeVar(varName: string): string | null { const workspaceFolder = () => { const folders = vscode.workspace.workspaceFolders ?? []; diff --git a/src/tools/rust-analyzer/editors/code/src/ctx.ts b/src/tools/rust-analyzer/editors/code/src/ctx.ts index d6cee5c8fc6..e2a30e0cc45 100644 --- a/src/tools/rust-analyzer/editors/code/src/ctx.ts +++ b/src/tools/rust-analyzer/editors/code/src/ctx.ts @@ -2,9 +2,9 @@ import * as vscode from "vscode"; import * as lc from "vscode-languageclient/node"; import * as ra from "./lsp_ext"; -import { Config, substituteVariablesInEnv, substituteVSCodeVariables } from "./config"; +import { Config, substituteVSCodeVariables } from "./config"; import { createClient } from "./client"; -import { isRustDocument, isRustEditor, log, RustEditor } from "./util"; +import { isRustDocument, isRustEditor, LazyOutputChannel, log, RustEditor } from "./util"; import { ServerStatusParams } from "./lsp_ext"; import { PersistentState } from "./persistent_state"; import { bootstrap } from "./bootstrap"; @@ -128,9 +128,7 @@ export class Ctx { } if (!this.traceOutputChannel) { - this.traceOutputChannel = vscode.window.createOutputChannel( - "Rust Analyzer Language Server Trace" - ); + this.traceOutputChannel = new LazyOutputChannel("Rust Analyzer Language Server Trace"); this.pushExtCleanup(this.traceOutputChannel); } if (!this.outputChannel) { @@ -152,9 +150,7 @@ export class Ctx { throw new Error(message); } ); - const newEnv = substituteVariablesInEnv( - Object.assign({}, process.env, this.config.serverExtraEnv) - ); + const newEnv = Object.assign({}, process.env, this.config.serverExtraEnv); const run: lc.Executable = { command: this._serverPath, options: { env: newEnv }, @@ -187,6 +183,11 @@ export class Ctx { this.setServerStatus(params) ) ); + this.pushClientCleanup( + this._client.onNotification(ra.openServerLogs, () => { + this.outputChannel!.show(); + }) + ); } return this._client; } diff --git a/src/tools/rust-analyzer/editors/code/src/debug.ts b/src/tools/rust-analyzer/editors/code/src/debug.ts index bd45599227e..268b70b4fbb 100644 --- a/src/tools/rust-analyzer/editors/code/src/debug.ts +++ b/src/tools/rust-analyzer/editors/code/src/debug.ts @@ -84,7 +84,7 @@ async function getDebugConfiguration( debugEngine = vscode.extensions.getExtension(engineId); if (debugEngine) break; } - } else { + } else if (debugOptions.engine) { debugEngine = vscode.extensions.getExtension(debugOptions.engine); } diff --git a/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts b/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts index 29349cc20f5..f6f5124dc41 100644 --- a/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts +++ b/src/tools/rust-analyzer/editors/code/src/lsp_ext.ts @@ -4,130 +4,134 @@ import * as lc from "vscode-languageclient"; -export interface AnalyzerStatusParams { - textDocument?: lc.TextDocumentIdentifier; -} +// rust-analyzer overrides + +export const hover = new lc.RequestType< + HoverParams, + (lc.Hover & { actions: CommandLinkGroup[] }) | null, + void +>("textDocument/hover"); +export type HoverParams = { position: lc.Position | lc.Range } & Omit< + lc.TextDocumentPositionParams, + "position" +> & + lc.WorkDoneProgressParams; +export type CommandLink = { + /** + * A tooltip for the command, when represented in the UI. + */ + tooltip?: string; +} & lc.Command; +export type CommandLinkGroup = { + title?: string; + commands: CommandLink[]; +}; + +// rust-analyzer extensions + export const analyzerStatus = new lc.RequestType<AnalyzerStatusParams, string, void>( "rust-analyzer/analyzerStatus" ); +export const cancelFlycheck = new lc.NotificationType0("rust-analyzer/cancelFlycheck"); +export const clearFlycheck = new lc.NotificationType0("rust-analyzer/clearFlycheck"); +export const expandMacro = new lc.RequestType<ExpandMacroParams, ExpandedMacro | null, void>( + "rust-analyzer/expandMacro" +); export const memoryUsage = new lc.RequestType0<string, void>("rust-analyzer/memoryUsage"); -export const shuffleCrateGraph = new lc.RequestType0<null, void>("rust-analyzer/shuffleCrateGraph"); - -export interface ServerStatusParams { - health: "ok" | "warning" | "error"; - quiescent: boolean; - message?: string; -} -export const serverStatus = new lc.NotificationType<ServerStatusParams>( - "experimental/serverStatus" +export const openServerLogs = new lc.NotificationType0("rust-analyzer/openServerLogs"); +export const relatedTests = new lc.RequestType<lc.TextDocumentPositionParams, TestInfo[], void>( + "rust-analyzer/relatedTests" ); - export const reloadWorkspace = new lc.RequestType0<null, void>("rust-analyzer/reloadWorkspace"); - -export const hover = new lc.RequestType<HoverParams, lc.Hover | null, void>("textDocument/hover"); - -export interface HoverParams extends lc.WorkDoneProgressParams { - textDocument: lc.TextDocumentIdentifier; - position: lc.Range | lc.Position; -} - -export interface SyntaxTreeParams { - textDocument: lc.TextDocumentIdentifier; - range: lc.Range | null; -} +export const runFlycheck = new lc.NotificationType<{ + textDocument: lc.TextDocumentIdentifier | null; +}>("rust-analyzer/runFlycheck"); +export const shuffleCrateGraph = new lc.RequestType0<null, void>("rust-analyzer/shuffleCrateGraph"); export const syntaxTree = new lc.RequestType<SyntaxTreeParams, string, void>( "rust-analyzer/syntaxTree" ); - -export const viewHir = new lc.RequestType<lc.TextDocumentPositionParams, string, void>( - "rust-analyzer/viewHir" +export const viewCrateGraph = new lc.RequestType<ViewCrateGraphParams, string, void>( + "rust-analyzer/viewCrateGraph" ); - export const viewFileText = new lc.RequestType<lc.TextDocumentIdentifier, string, void>( "rust-analyzer/viewFileText" ); - -export interface ViewItemTreeParams { - textDocument: lc.TextDocumentIdentifier; -} - +export const viewHir = new lc.RequestType<lc.TextDocumentPositionParams, string, void>( + "rust-analyzer/viewHir" +); export const viewItemTree = new lc.RequestType<ViewItemTreeParams, string, void>( "rust-analyzer/viewItemTree" ); -export interface ViewCrateGraphParams { - full: boolean; -} +export type AnalyzerStatusParams = { textDocument?: lc.TextDocumentIdentifier }; -export const viewCrateGraph = new lc.RequestType<ViewCrateGraphParams, string, void>( - "rust-analyzer/viewCrateGraph" -); - -export interface ExpandMacroParams { +export type ExpandMacroParams = { textDocument: lc.TextDocumentIdentifier; position: lc.Position; -} -export interface ExpandedMacro { +}; +export type ExpandedMacro = { name: string; expansion: string; -} -export const expandMacro = new lc.RequestType<ExpandMacroParams, ExpandedMacro | null, void>( - "rust-analyzer/expandMacro" -); - -export const relatedTests = new lc.RequestType<lc.TextDocumentPositionParams, TestInfo[], void>( - "rust-analyzer/relatedTests" -); - -export const cancelFlycheck = new lc.NotificationType0("rust-analyzer/cancelFlycheck"); -export const clearFlycheck = new lc.NotificationType0("rust-analyzer/clearFlycheck"); -export const runFlycheck = new lc.NotificationType<{ - textDocument: lc.TextDocumentIdentifier | null; -}>("rust-analyzer/runFlycheck"); - -// Experimental extensions - -export interface SsrParams { - query: string; - parseOnly: boolean; +}; +export type TestInfo = { runnable: Runnable }; +export type SyntaxTreeParams = { textDocument: lc.TextDocumentIdentifier; - position: lc.Position; - selections: readonly lc.Range[]; -} -export const ssr = new lc.RequestType<SsrParams, lc.WorkspaceEdit, void>("experimental/ssr"); + range: lc.Range | null; +}; +export type ViewCrateGraphParams = { full: boolean }; +export type ViewItemTreeParams = { textDocument: lc.TextDocumentIdentifier }; -export interface MatchingBraceParams { - textDocument: lc.TextDocumentIdentifier; - positions: lc.Position[]; -} +// experimental extensions + +export const joinLines = new lc.RequestType<JoinLinesParams, lc.TextEdit[], void>( + "experimental/joinLines" +); export const matchingBrace = new lc.RequestType<MatchingBraceParams, lc.Position[], void>( "experimental/matchingBrace" ); - +export const moveItem = new lc.RequestType<MoveItemParams, lc.TextEdit[], void>( + "experimental/moveItem" +); +export const onEnter = new lc.RequestType<lc.TextDocumentPositionParams, lc.TextEdit[], void>( + "experimental/onEnter" +); +export const openCargoToml = new lc.RequestType<OpenCargoTomlParams, lc.Location, void>( + "experimental/openCargoToml" +); +export const openDocs = new lc.RequestType<lc.TextDocumentPositionParams, string | void, void>( + "experimental/externalDocs" +); export const parentModule = new lc.RequestType< lc.TextDocumentPositionParams, lc.LocationLink[] | null, void >("experimental/parentModule"); - -export interface JoinLinesParams { - textDocument: lc.TextDocumentIdentifier; - ranges: lc.Range[]; -} -export const joinLines = new lc.RequestType<JoinLinesParams, lc.TextEdit[], void>( - "experimental/joinLines" +export const runnables = new lc.RequestType<RunnablesParams, Runnable[], void>( + "experimental/runnables" ); - -export const onEnter = new lc.RequestType<lc.TextDocumentPositionParams, lc.TextEdit[], void>( - "experimental/onEnter" +export const serverStatus = new lc.NotificationType<ServerStatusParams>( + "experimental/serverStatus" ); +export const ssr = new lc.RequestType<SsrParams, lc.WorkspaceEdit, void>("experimental/ssr"); -export interface RunnablesParams { +export type JoinLinesParams = { textDocument: lc.TextDocumentIdentifier; - position: lc.Position | null; -} - -export interface Runnable { + ranges: lc.Range[]; +}; +export type MatchingBraceParams = { + textDocument: lc.TextDocumentIdentifier; + positions: lc.Position[]; +}; +export type MoveItemParams = { + textDocument: lc.TextDocumentIdentifier; + range: lc.Range; + direction: Direction; +}; +export type Direction = "Up" | "Down"; +export type OpenCargoTomlParams = { + textDocument: lc.TextDocumentIdentifier; +}; +export type Runnable = { label: string; location?: lc.LocationLink; kind: "cargo"; @@ -139,50 +143,20 @@ export interface Runnable { expectTest?: boolean; overrideCargo?: string; }; -} -export const runnables = new lc.RequestType<RunnablesParams, Runnable[], void>( - "experimental/runnables" -); - -export interface TestInfo { - runnable: Runnable; -} - -export interface CommandLink extends lc.Command { - /** - * A tooltip for the command, when represented in the UI. - */ - tooltip?: string; -} - -export interface CommandLinkGroup { - title?: string; - commands: CommandLink[]; -} - -export const openDocs = new lc.RequestType<lc.TextDocumentPositionParams, string | void, void>( - "experimental/externalDocs" -); - -export const openCargoToml = new lc.RequestType<OpenCargoTomlParams, lc.Location, void>( - "experimental/openCargoToml" -); - -export interface OpenCargoTomlParams { +}; +export type RunnablesParams = { textDocument: lc.TextDocumentIdentifier; -} - -export const moveItem = new lc.RequestType<MoveItemParams, lc.TextEdit[], void>( - "experimental/moveItem" -); - -export interface MoveItemParams { + position: lc.Position | null; +}; +export type ServerStatusParams = { + health: "ok" | "warning" | "error"; + quiescent: boolean; + message?: string; +}; +export type SsrParams = { + query: string; + parseOnly: boolean; textDocument: lc.TextDocumentIdentifier; - range: lc.Range; - direction: Direction; -} - -export const enum Direction { - Up = "Up", - Down = "Down", -} + position: lc.Position; + selections: readonly lc.Range[]; +}; diff --git a/src/tools/rust-analyzer/editors/code/src/util.ts b/src/tools/rust-analyzer/editors/code/src/util.ts index cd91932bb60..d93b9caeb16 100644 --- a/src/tools/rust-analyzer/editors/code/src/util.ts +++ b/src/tools/rust-analyzer/editors/code/src/util.ts @@ -117,7 +117,7 @@ export function isValidExecutable(path: string): boolean { const res = spawnSync(path, ["--version"], { encoding: "utf8" }); - const printOutput = res.error && (res.error as any).code !== "ENOENT" ? log.warn : log.debug; + const printOutput = res.error ? log.warn : log.info; printOutput(path, "--version:", res); return res.status === 0; @@ -166,3 +166,49 @@ export function execute(command: string, options: ExecOptions): Promise<string> }); }); } + +export class LazyOutputChannel implements vscode.OutputChannel { + constructor(name: string) { + this.name = name; + } + + name: string; + _channel: vscode.OutputChannel | undefined; + + get channel(): vscode.OutputChannel { + if (!this._channel) { + this._channel = vscode.window.createOutputChannel(this.name); + } + return this._channel; + } + + append(value: string): void { + this.channel.append(value); + } + appendLine(value: string): void { + this.channel.appendLine(value); + } + replace(value: string): void { + this.channel.replace(value); + } + clear(): void { + if (this._channel) { + this._channel.clear(); + } + } + show(preserveFocus?: boolean): void; + show(column?: vscode.ViewColumn, preserveFocus?: boolean): void; + show(column?: any, preserveFocus?: any): void { + this.channel.show(column, preserveFocus); + } + hide(): void { + if (this._channel) { + this._channel.hide(); + } + } + dispose(): void { + if (this._channel) { + this._channel.dispose(); + } + } +} diff --git a/src/tools/rust-analyzer/lib/lsp-server/src/stdio.rs b/src/tools/rust-analyzer/lib/lsp-server/src/stdio.rs index cdee6432df8..49a825e579b 100644 --- a/src/tools/rust-analyzer/lib/lsp-server/src/stdio.rs +++ b/src/tools/rust-analyzer/lib/lsp-server/src/stdio.rs @@ -21,10 +21,7 @@ pub(crate) fn stdio_transport() -> (Sender<Message>, Receiver<Message>, IoThread let stdin = stdin(); let mut stdin = stdin.lock(); while let Some(msg) = Message::read(&mut stdin)? { - let is_exit = match &msg { - Message::Notification(n) => n.is_exit(), - _ => false, - }; + let is_exit = matches!(&msg, Message::Notification(n) if n.is_exit()); reader_sender.send(msg).unwrap(); diff --git a/src/tools/rust-analyzer/xtask/Cargo.toml b/src/tools/rust-analyzer/xtask/Cargo.toml index 2dd01796c6e..b4b294c3099 100644 --- a/src/tools/rust-analyzer/xtask/Cargo.toml +++ b/src/tools/rust-analyzer/xtask/Cargo.toml @@ -12,5 +12,6 @@ flate2 = "1.0.24" write-json = "0.1.2" xshell = "0.2.2" xflags = "0.3.0" +time = { version = "0.3", default-features = false } zip = { version = "0.6", default-features = false, features = ["deflate", "time"] } # Avoid adding more dependencies to this crate diff --git a/src/tools/rust-analyzer/xtask/src/dist.rs b/src/tools/rust-analyzer/xtask/src/dist.rs index 74715c53eaa..5a03c71b28a 100644 --- a/src/tools/rust-analyzer/xtask/src/dist.rs +++ b/src/tools/rust-analyzer/xtask/src/dist.rs @@ -6,6 +6,7 @@ use std::{ }; use flate2::{write::GzEncoder, Compression}; +use time::OffsetDateTime; use xshell::{cmd, Shell}; use zip::{write::FileOptions, DateTime, ZipWriter}; @@ -112,7 +113,8 @@ fn zip(src_path: &Path, symbols_path: Option<&PathBuf>, dest_path: &Path) -> any src_path.file_name().unwrap().to_str().unwrap(), FileOptions::default() .last_modified_time( - DateTime::from_time(std::fs::metadata(src_path)?.modified()?.into()).unwrap(), + DateTime::try_from(OffsetDateTime::from(std::fs::metadata(src_path)?.modified()?)) + .unwrap(), ) .unix_permissions(0o755) .compression_method(zip::CompressionMethod::Deflated) @@ -125,7 +127,10 @@ fn zip(src_path: &Path, symbols_path: Option<&PathBuf>, dest_path: &Path) -> any symbols_path.file_name().unwrap().to_str().unwrap(), FileOptions::default() .last_modified_time( - DateTime::from_time(std::fs::metadata(src_path)?.modified()?.into()).unwrap(), + DateTime::try_from(OffsetDateTime::from( + std::fs::metadata(src_path)?.modified()?, + )) + .unwrap(), ) .compression_method(zip::CompressionMethod::Deflated) .compression_level(Some(9)), diff --git a/src/tools/rust-analyzer/xtask/src/publish.rs b/src/tools/rust-analyzer/xtask/src/publish.rs index 79b5f3d2f61..cdb7d8fac89 100644 --- a/src/tools/rust-analyzer/xtask/src/publish.rs +++ b/src/tools/rust-analyzer/xtask/src/publish.rs @@ -13,7 +13,7 @@ impl flags::PublishReleaseNotes { let tag_name = &file_name[0..10]; let original_changelog_url = create_original_changelog_url(&file_name); let additional_paragraph = - format!("\nSee also [original changelog]({original_changelog_url})."); + format!("\nSee also the [changelog post]({original_changelog_url})."); markdown.push_str(&additional_paragraph); if self.dry_run { println!("{markdown}"); diff --git a/src/tools/rust-analyzer/xtask/src/release/changelog.rs b/src/tools/rust-analyzer/xtask/src/release/changelog.rs index d2a1483e387..67538414840 100644 --- a/src/tools/rust-analyzer/xtask/src/release/changelog.rs +++ b/src/tools/rust-analyzer/xtask/src/release/changelog.rs @@ -69,7 +69,7 @@ pub(crate) fn get_changelog( :page-layout: post Commit: commit:{commit}[] + -Release: release:{today}[] +Release: release:{today}[] (`TBD`) == New Features @@ -156,7 +156,7 @@ fn parse_title_line(s: &str) -> PrInfo { ("minor: ", PrKind::Skip), ]; - for &(prefix, kind) in &PREFIXES { + for (prefix, kind) in PREFIXES { if lower.starts_with(prefix) { let message = match &kind { PrKind::Skip => None, diff --git a/src/tools/rustfmt/src/parse/session.rs b/src/tools/rustfmt/src/parse/session.rs index 6bfec79cd70..9014026b0aa 100644 --- a/src/tools/rustfmt/src/parse/session.rs +++ b/src/tools/rustfmt/src/parse/session.rs @@ -4,7 +4,7 @@ use std::sync::atomic::{AtomicBool, Ordering}; use rustc_data_structures::sync::{Lrc, Send}; use rustc_errors::emitter::{Emitter, EmitterWriter}; use rustc_errors::translation::Translate; -use rustc_errors::{ColorConfig, Diagnostic, Handler, Level as DiagnosticLevel}; +use rustc_errors::{ColorConfig, Diagnostic, Handler, Level as DiagnosticLevel, TerminalUrl}; use rustc_session::parse::ParseSess as RawParseSess; use rustc_span::{ source_map::{FilePathMapping, SourceMap}, @@ -135,6 +135,7 @@ fn default_handler( None, false, false, + TerminalUrl::No, )) }; Handler::with_emitter( diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs index 8ce19c8b514..c4b994af13b 100644 --- a/src/tools/tidy/src/deps.rs +++ b/src/tools/tidy/src/deps.rs @@ -178,6 +178,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "ppv-lite86", "proc-macro-hack", "proc-macro2", + "pulldown-cmark", "psm", "punycode", "quote", @@ -246,6 +247,7 @@ const PERMITTED_RUSTC_DEPENDENCIES: &[&str] = &[ "unic-langid-macros", "unic-langid-macros-impl", "unic-ucd-version", + "unicase", "unicode-ident", "unicode-normalization", "unicode-script", diff --git a/src/tools/tidy/src/ui_tests.rs b/src/tools/tidy/src/ui_tests.rs index 83551a1d820..ef3abb9514f 100644 --- a/src/tools/tidy/src/ui_tests.rs +++ b/src/tools/tidy/src/ui_tests.rs @@ -9,7 +9,7 @@ use std::path::Path; const ENTRY_LIMIT: usize = 1000; // FIXME: The following limits should be reduced eventually. -const ROOT_ENTRY_LIMIT: usize = 939; +const ROOT_ENTRY_LIMIT: usize = 940; const ISSUES_ENTRY_LIMIT: usize = 2001; fn check_entries(path: &Path, bad: &mut bool) { |