diff options
| -rw-r--r-- | clippy_lints/src/drop_forget_ref.rs | 38 | ||||
| -rw-r--r-- | clippy_lints/src/manual_bits.rs | 5 | ||||
| -rw-r--r-- | clippy_lints/src/mem_forget.rs | 4 | ||||
| -rw-r--r-- | clippy_lints/src/mem_replace.rs | 4 | ||||
| -rw-r--r-- | clippy_lints/src/methods/uninit_assumed_init.rs | 5 | ||||
| -rw-r--r-- | clippy_lints/src/redundant_clone.rs | 2 | ||||
| -rw-r--r-- | clippy_lints/src/size_of_in_element_count.rs | 4 | ||||
| -rw-r--r-- | clippy_lints/src/undropped_manually_drops.rs | 12 | ||||
| -rw-r--r-- | clippy_utils/src/macros.rs | 41 | ||||
| -rw-r--r-- | clippy_utils/src/paths.rs | 34 |
10 files changed, 63 insertions, 86 deletions
diff --git a/clippy_lints/src/drop_forget_ref.rs b/clippy_lints/src/drop_forget_ref.rs index a8f8e3d8a42..5c4b35fd4b9 100644 --- a/clippy_lints/src/drop_forget_ref.rs +++ b/clippy_lints/src/drop_forget_ref.rs @@ -1,11 +1,11 @@ use clippy_utils::diagnostics::span_lint_and_note; use clippy_utils::ty::is_copy; -use clippy_utils::{match_def_path, paths}; use if_chain::if_chain; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -128,14 +128,16 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetRef { let arg_ty = cx.typeck_results().expr_ty(arg); if let ty::Ref(..) = arg_ty.kind() { - if match_def_path(cx, def_id, &paths::DROP) { - lint = DROP_REF; - msg = DROP_REF_SUMMARY.to_string(); - } else if match_def_path(cx, def_id, &paths::MEM_FORGET) { - lint = FORGET_REF; - msg = FORGET_REF_SUMMARY.to_string(); - } else { - return; + match cx.tcx.get_diagnostic_name(def_id) { + Some(sym::mem_drop) => { + lint = DROP_REF; + msg = DROP_REF_SUMMARY.to_string(); + }, + Some(sym::mem_forget) => { + lint = FORGET_REF; + msg = FORGET_REF_SUMMARY.to_string(); + }, + _ => return, } span_lint_and_note(cx, lint, @@ -144,14 +146,16 @@ impl<'tcx> LateLintPass<'tcx> for DropForgetRef { Some(arg.span), &format!("argument has type `{}`", arg_ty)); } else if is_copy(cx, arg_ty) { - if match_def_path(cx, def_id, &paths::DROP) { - lint = DROP_COPY; - msg = DROP_COPY_SUMMARY.to_string(); - } else if match_def_path(cx, def_id, &paths::MEM_FORGET) { - lint = FORGET_COPY; - msg = FORGET_COPY_SUMMARY.to_string(); - } else { - return; + match cx.tcx.get_diagnostic_name(def_id) { + Some(sym::mem_drop) => { + lint = DROP_COPY; + msg = DROP_COPY_SUMMARY.to_string(); + }, + Some(sym::mem_forget) => { + lint = FORGET_COPY; + msg = FORGET_COPY_SUMMARY.to_string(); + }, + _ => return, } span_lint_and_note(cx, lint, diff --git a/clippy_lints/src/manual_bits.rs b/clippy_lints/src/manual_bits.rs index 809aa168a7a..dcf44303cf4 100644 --- a/clippy_lints/src/manual_bits.rs +++ b/clippy_lints/src/manual_bits.rs @@ -1,6 +1,6 @@ use clippy_utils::diagnostics::span_lint_and_sugg; use clippy_utils::source::snippet_opt; -use clippy_utils::{match_def_path, meets_msrv, msrvs, paths}; +use clippy_utils::{meets_msrv, msrvs}; use rustc_ast::ast::LitKind; use rustc_errors::Applicability; use rustc_hir::{BinOpKind, Expr, ExprKind, GenericArg, QPath}; @@ -8,6 +8,7 @@ use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Ty}; use rustc_semver::RustcVersion; use rustc_session::{declare_tool_lint, impl_lint_pass}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -99,7 +100,7 @@ fn get_size_of_ty<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) -> Option< if let Some(GenericArg::Type(real_ty)) = args.args.get(0); if let Some(def_id) = cx.qpath_res(count_func_qpath, count_func.hir_id).opt_def_id(); - if match_def_path(cx, def_id, &paths::MEM_SIZE_OF); + if cx.tcx.is_diagnostic_item(sym::mem_size_of, def_id); then { cx.typeck_results().node_substs(count_func.hir_id).types().next().map(|resolved_ty| (real_ty, resolved_ty)) } else { diff --git a/clippy_lints/src/mem_forget.rs b/clippy_lints/src/mem_forget.rs index 5ffcfd4d264..d6c235b5a69 100644 --- a/clippy_lints/src/mem_forget.rs +++ b/clippy_lints/src/mem_forget.rs @@ -1,8 +1,8 @@ use clippy_utils::diagnostics::span_lint; -use clippy_utils::{match_def_path, paths}; use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -32,7 +32,7 @@ impl<'tcx> LateLintPass<'tcx> for MemForget { if let ExprKind::Call(path_expr, [ref first_arg, ..]) = e.kind { if let ExprKind::Path(ref qpath) = path_expr.kind { if let Some(def_id) = cx.qpath_res(qpath, path_expr.hir_id).opt_def_id() { - if match_def_path(cx, def_id, &paths::MEM_FORGET) { + if cx.tcx.is_diagnostic_item(sym::mem_forget, def_id) { let forgot_ty = cx.typeck_results().expr_ty(first_arg); if forgot_ty.ty_adt_def().map_or(false, |def| def.has_dtor(cx.tcx)) { diff --git a/clippy_lints/src/mem_replace.rs b/clippy_lints/src/mem_replace.rs index a184806d021..054937e3e36 100644 --- a/clippy_lints/src/mem_replace.rs +++ b/clippy_lints/src/mem_replace.rs @@ -1,7 +1,7 @@ use clippy_utils::diagnostics::{span_lint_and_help, span_lint_and_sugg, span_lint_and_then}; use clippy_utils::source::{snippet, snippet_with_applicability}; use clippy_utils::ty::is_non_aggregate_primitive_type; -use clippy_utils::{is_default_equivalent, is_lang_ctor, match_def_path, meets_msrv, msrvs, paths}; +use clippy_utils::{is_default_equivalent, is_lang_ctor, meets_msrv, msrvs}; use if_chain::if_chain; use rustc_errors::Applicability; use rustc_hir::LangItem::OptionNone; @@ -249,7 +249,7 @@ impl<'tcx> LateLintPass<'tcx> for MemReplace { if let ExprKind::Call(func, func_args) = expr.kind; if let ExprKind::Path(ref func_qpath) = func.kind; if let Some(def_id) = cx.qpath_res(func_qpath, func.hir_id).opt_def_id(); - if match_def_path(cx, def_id, &paths::MEM_REPLACE); + if cx.tcx.is_diagnostic_item(sym::mem_replace, def_id); if let [dest, src] = func_args; then { check_replace_option_with_none(cx, src, dest, expr.span); diff --git a/clippy_lints/src/methods/uninit_assumed_init.rs b/clippy_lints/src/methods/uninit_assumed_init.rs index ce89189bce9..77d21f1d373 100644 --- a/clippy_lints/src/methods/uninit_assumed_init.rs +++ b/clippy_lints/src/methods/uninit_assumed_init.rs @@ -1,8 +1,9 @@ use clippy_utils::diagnostics::span_lint; -use clippy_utils::{is_expr_path_def_path, paths, ty::is_uninit_value_valid_for_ty}; +use clippy_utils::{is_expr_diagnostic_item, ty::is_uninit_value_valid_for_ty}; use if_chain::if_chain; use rustc_hir as hir; use rustc_lint::LateContext; +use rustc_span::sym; use super::UNINIT_ASSUMED_INIT; @@ -11,7 +12,7 @@ pub(super) fn check(cx: &LateContext<'_>, expr: &hir::Expr<'_>, recv: &hir::Expr if_chain! { if let hir::ExprKind::Call(callee, args) = recv.kind; if args.is_empty(); - if is_expr_path_def_path(cx, callee, &paths::MEM_MAYBEUNINIT_UNINIT); + if is_expr_diagnostic_item(cx, callee, sym::maybe_uninit_uninit); if !is_uninit_value_valid_for_ty(cx, cx.typeck_results().expr_ty_adjusted(expr)); then { span_lint( diff --git a/clippy_lints/src/redundant_clone.rs b/clippy_lints/src/redundant_clone.rs index 3e0e32857f1..b3988973256 100644 --- a/clippy_lints/src/redundant_clone.rs +++ b/clippy_lints/src/redundant_clone.rs @@ -135,7 +135,7 @@ impl<'tcx> LateLintPass<'tcx> for RedundantClone { } if let ty::Adt(def, _) = arg_ty.kind() { - if match_def_path(cx, def.did, &paths::MEM_MANUALLY_DROP) { + if def.is_manually_drop() { continue; } } diff --git a/clippy_lints/src/size_of_in_element_count.rs b/clippy_lints/src/size_of_in_element_count.rs index f3515ea3c2d..3d7dc49b406 100644 --- a/clippy_lints/src/size_of_in_element_count.rs +++ b/clippy_lints/src/size_of_in_element_count.rs @@ -9,6 +9,7 @@ use rustc_hir::{Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_middle::ty::{self, Ty, TypeAndMut}; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -44,8 +45,7 @@ fn get_size_of_ty<'tcx>(cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>, inverted: if !inverted; if let ExprKind::Path(ref count_func_qpath) = count_func.kind; if let Some(def_id) = cx.qpath_res(count_func_qpath, count_func.hir_id).opt_def_id(); - if match_def_path(cx, def_id, &paths::MEM_SIZE_OF) - || match_def_path(cx, def_id, &paths::MEM_SIZE_OF_VAL); + if matches!(cx.tcx.get_diagnostic_name(def_id), Some(sym::mem_size_of | sym::mem_size_of_val)); then { cx.typeck_results().node_substs(count_func.hir_id).types().next() } else { diff --git a/clippy_lints/src/undropped_manually_drops.rs b/clippy_lints/src/undropped_manually_drops.rs index 7557e14d11f..db652766705 100644 --- a/clippy_lints/src/undropped_manually_drops.rs +++ b/clippy_lints/src/undropped_manually_drops.rs @@ -1,9 +1,10 @@ use clippy_utils::diagnostics::span_lint_and_help; +use clippy_utils::path_res; use clippy_utils::ty::is_type_lang_item; -use clippy_utils::{match_function_call, paths}; -use rustc_hir::{lang_items, Expr}; +use rustc_hir::{lang_items, Expr, ExprKind}; use rustc_lint::{LateContext, LateLintPass}; use rustc_session::{declare_lint_pass, declare_tool_lint}; +use rustc_span::sym; declare_clippy_lint! { /// ### What it does @@ -38,9 +39,12 @@ declare_lint_pass!(UndroppedManuallyDrops => [UNDROPPED_MANUALLY_DROPS]); impl<'tcx> LateLintPass<'tcx> for UndroppedManuallyDrops { fn check_expr(&mut self, cx: &LateContext<'tcx>, expr: &'tcx Expr<'_>) { - if let Some([arg_0, ..]) = match_function_call(cx, expr, &paths::DROP) { + if_chain! { + if let ExprKind::Call(fun, [arg_0, ..]) = expr.kind; + if path_res(cx, fun).opt_def_id() == cx.tcx.get_diagnostic_item(sym::mem_drop); let ty = cx.typeck_results().expr_ty(arg_0); - if is_type_lang_item(cx, ty, lang_items::LangItem::ManuallyDrop) { + if is_type_lang_item(cx, ty, lang_items::LangItem::ManuallyDrop); + then { span_lint_and_help( cx, UNDROPPED_MANUALLY_DROPS, diff --git a/clippy_utils/src/macros.rs b/clippy_utils/src/macros.rs index 256f884ae19..e7d4c5a4952 100644 --- a/clippy_utils/src/macros.rs +++ b/clippy_utils/src/macros.rs @@ -1,7 +1,6 @@ #![allow(clippy::similar_names)] // `expr` and `expn` use crate::visitors::expr_visitor_no_bodies; -use crate::{match_def_path, paths}; use arrayvec::ArrayVec; use if_chain::if_chain; @@ -14,29 +13,31 @@ use rustc_span::hygiene::{self, MacroKind, SyntaxContext}; use rustc_span::{sym, ExpnData, ExpnId, ExpnKind, Span, Symbol}; use std::ops::ControlFlow; -const FORMAT_MACRO_PATHS: &[&[&str]] = &[ - &paths::FORMAT_ARGS_MACRO, - &paths::ASSERT_EQ_MACRO, - &paths::ASSERT_MACRO, - &paths::ASSERT_NE_MACRO, - &paths::EPRINT_MACRO, - &paths::EPRINTLN_MACRO, - &paths::PRINT_MACRO, - &paths::PRINTLN_MACRO, - &paths::WRITE_MACRO, - &paths::WRITELN_MACRO, +const FORMAT_MACRO_DIAG_ITEMS: &[Symbol] = &[ + sym::assert_eq_macro, + sym::assert_macro, + sym::assert_ne_macro, + sym::debug_assert_eq_macro, + sym::debug_assert_macro, + sym::debug_assert_ne_macro, + sym::eprint_macro, + sym::eprintln_macro, + sym::format_args_macro, + sym::format_macro, + sym::print_macro, + sym::println_macro, + sym::std_panic_macro, + sym::write_macro, + sym::writeln_macro, ]; -const FORMAT_MACRO_DIAG_ITEMS: &[Symbol] = &[sym::format_macro, sym::std_panic_macro]; - /// Returns true if a given Macro `DefId` is a format macro (e.g. `println!`) pub fn is_format_macro(cx: &LateContext<'_>, macro_def_id: DefId) -> bool { - FORMAT_MACRO_PATHS - .iter() - .any(|path| match_def_path(cx, macro_def_id, path)) - || FORMAT_MACRO_DIAG_ITEMS - .iter() - .any(|diag_item| cx.tcx.is_diagnostic_item(*diag_item, macro_def_id)) + if let Some(name) = cx.tcx.get_diagnostic_name(macro_def_id) { + FORMAT_MACRO_DIAG_ITEMS.contains(&name) + } else { + false + } } /// A macro call, like `vec![1, 2, 3]`. diff --git a/clippy_utils/src/paths.rs b/clippy_utils/src/paths.rs index b54bd3a4fef..2778e30388e 100644 --- a/clippy_utils/src/paths.rs +++ b/clippy_utils/src/paths.rs @@ -16,44 +16,27 @@ pub const APPLICABILITY_VALUES: [[&str; 3]; 4] = [ #[cfg(feature = "internal")] pub const DIAGNOSTIC_BUILDER: [&str; 3] = ["rustc_errors", "diagnostic_builder", "DiagnosticBuilder"]; pub const ARC_PTR_EQ: [&str; 4] = ["alloc", "sync", "Arc", "ptr_eq"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const ASSERT_EQ_MACRO: [&str; 3] = ["core", "macros", "assert_eq"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const ASSERT_MACRO: [&str; 4] = ["core", "macros", "builtin", "assert"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const ASSERT_NE_MACRO: [&str; 3] = ["core", "macros", "assert_ne"]; pub const ASMUT_TRAIT: [&str; 3] = ["core", "convert", "AsMut"]; pub const ASREF_TRAIT: [&str; 3] = ["core", "convert", "AsRef"]; -/// Preferably use the diagnostic item `sym::Borrow` where possible -pub const BORROW_TRAIT: [&str; 3] = ["core", "borrow", "Borrow"]; -pub const BORROW_MUT_TRAIT: [&str; 3] = ["core", "borrow", "BorrowMut"]; pub const BTREEMAP_CONTAINS_KEY: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "contains_key"]; pub const BTREEMAP_ENTRY: [&str; 6] = ["alloc", "collections", "btree", "map", "entry", "Entry"]; pub const BTREEMAP_INSERT: [&str; 6] = ["alloc", "collections", "btree", "map", "BTreeMap", "insert"]; pub const CLONE_TRAIT_METHOD: [&str; 4] = ["core", "clone", "Clone", "clone"]; pub const COW: [&str; 3] = ["alloc", "borrow", "Cow"]; pub const CSTRING_AS_C_STR: [&str; 5] = ["std", "ffi", "c_str", "CString", "as_c_str"]; -pub const DEBUG_TRAIT: [&str; 3] = ["core", "fmt", "Debug"]; pub const DEFAULT_TRAIT_METHOD: [&str; 4] = ["core", "default", "Default", "default"]; pub const DEREF_MUT_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "DerefMut", "deref_mut"]; /// Preferably use the diagnostic item `sym::deref_method` where possible pub const DEREF_TRAIT_METHOD: [&str; 5] = ["core", "ops", "deref", "Deref", "deref"]; pub const DIR_BUILDER: [&str; 3] = ["std", "fs", "DirBuilder"]; pub const DISPLAY_TRAIT: [&str; 3] = ["core", "fmt", "Display"]; -pub const DROP: [&str; 3] = ["core", "mem", "drop"]; #[cfg(feature = "internal")] pub const EARLY_CONTEXT: [&str; 2] = ["rustc_lint", "EarlyContext"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const EPRINT_MACRO: [&str; 3] = ["std", "macros", "eprint"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const EPRINTLN_MACRO: [&str; 3] = ["std", "macros", "eprintln"]; pub const EXIT: [&str; 3] = ["std", "process", "exit"]; pub const F32_EPSILON: [&str; 4] = ["core", "f32", "<impl f32>", "EPSILON"]; pub const F64_EPSILON: [&str; 4] = ["core", "f64", "<impl f64>", "EPSILON"]; pub const FILE: [&str; 3] = ["std", "fs", "File"]; pub const FILE_TYPE: [&str; 3] = ["std", "fs", "FileType"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const FORMAT_ARGS_MACRO: [&str; 4] = ["core", "macros", "builtin", "format_args"]; pub const FROM_FROM: [&str; 4] = ["core", "convert", "From", "from"]; pub const FROM_ITERATOR_METHOD: [&str; 6] = ["core", "iter", "traits", "collect", "FromIterator", "from_iter"]; pub const FROM_STR_METHOD: [&str; 5] = ["core", "str", "traits", "FromStr", "from_str"]; @@ -85,17 +68,8 @@ pub const KW_MODULE: [&str; 3] = ["rustc_span", "symbol", "kw"]; pub const LATE_CONTEXT: [&str; 2] = ["rustc_lint", "LateContext"]; #[cfg(feature = "internal")] pub const LINT: [&str; 2] = ["rustc_lint_defs", "Lint"]; -pub const MEM_DISCRIMINANT: [&str; 3] = ["core", "mem", "discriminant"]; -pub const MEM_FORGET: [&str; 3] = ["core", "mem", "forget"]; -pub const MEM_MANUALLY_DROP: [&str; 4] = ["core", "mem", "manually_drop", "ManuallyDrop"]; -pub const MEM_MAYBEUNINIT: [&str; 4] = ["core", "mem", "maybe_uninit", "MaybeUninit"]; -pub const MEM_MAYBEUNINIT_UNINIT: [&str; 5] = ["core", "mem", "maybe_uninit", "MaybeUninit", "uninit"]; -pub const MEM_REPLACE: [&str; 3] = ["core", "mem", "replace"]; -pub const MEM_SIZE_OF: [&str; 3] = ["core", "mem", "size_of"]; -pub const MEM_SIZE_OF_VAL: [&str; 3] = ["core", "mem", "size_of_val"]; pub const MUTEX_GUARD: [&str; 4] = ["std", "sync", "mutex", "MutexGuard"]; pub const OPEN_OPTIONS: [&str; 3] = ["std", "fs", "OpenOptions"]; -pub const OPS_MODULE: [&str; 2] = ["core", "ops"]; /// Preferably use the diagnostic item `sym::Option` where possible pub const OPTION: [&str; 3] = ["core", "option", "Option"]; pub const OPTION_NONE: [&str; 4] = ["core", "option", "Option", "None"]; @@ -116,10 +90,6 @@ pub const PERMISSIONS_FROM_MODE: [&str; 6] = ["std", "os", "unix", "fs", "Permis pub const POLL: [&str; 4] = ["core", "task", "poll", "Poll"]; pub const POLL_PENDING: [&str; 5] = ["core", "task", "poll", "Poll", "Pending"]; pub const POLL_READY: [&str; 5] = ["core", "task", "poll", "Poll", "Ready"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const PRINT_MACRO: [&str; 3] = ["std", "macros", "print"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const PRINTLN_MACRO: [&str; 3] = ["std", "macros", "println"]; pub const PTR_COPY: [&str; 3] = ["core", "intrinsics", "copy"]; pub const PTR_COPY_NONOVERLAPPING: [&str; 3] = ["core", "intrinsics", "copy_nonoverlapping"]; pub const PTR_EQ: [&str; 3] = ["core", "ptr", "eq"]; @@ -200,8 +170,4 @@ pub const VEC_NEW: [&str; 4] = ["alloc", "vec", "Vec", "new"]; pub const VEC_RESIZE: [&str; 4] = ["alloc", "vec", "Vec", "resize"]; pub const WEAK_ARC: [&str; 3] = ["alloc", "sync", "Weak"]; pub const WEAK_RC: [&str; 3] = ["alloc", "rc", "Weak"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const WRITE_MACRO: [&str; 3] = ["core", "macros", "write"]; -#[allow(clippy::invalid_paths)] // `check_path` does not seem to work for macros -pub const WRITELN_MACRO: [&str; 3] = ["core", "macros", "writeln"]; pub const PTR_NON_NULL: [&str; 4] = ["core", "ptr", "non_null", "NonNull"]; |