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-rw-r--r--Cargo.lock2
-rw-r--r--src/librustc/session/mod.rs9
-rw-r--r--src/librustc_driver/Cargo.toml1
-rw-r--r--src/librustc_driver/lib.rs16
-rw-r--r--src/librustc_error_codes/error_codes.rs3
-rw-r--r--src/librustc_error_codes/lib.rs11
-rw-r--r--src/librustc_interface/Cargo.toml1
-rw-r--r--src/librustc_interface/interface.rs28
-rw-r--r--src/librustc_interface/util.rs13
-rw-r--r--src/librustdoc/core.rs2
-rw-r--r--src/librustdoc/lib.rs3
-rw-r--r--src/librustdoc/test.rs1
-rw-r--r--src/test/run-make-fulldeps/issue-19371/foo.rs3
13 files changed, 40 insertions, 53 deletions
diff --git a/Cargo.lock b/Cargo.lock
index f135a94ef7d..2ecb38851e7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3522,6 +3522,7 @@ dependencies = [
  "rustc",
  "rustc_codegen_utils",
  "rustc_data_structures",
+ "rustc_error_codes",
  "rustc_errors",
  "rustc_interface",
  "rustc_lint",
@@ -3595,7 +3596,6 @@ dependencies = [
  "rustc_codegen_ssa",
  "rustc_codegen_utils",
  "rustc_data_structures",
- "rustc_error_codes",
  "rustc_errors",
  "rustc_incremental",
  "rustc_lint",
diff --git a/src/librustc/session/mod.rs b/src/librustc/session/mod.rs
index cfcdb234030..1af20188ab5 100644
--- a/src/librustc/session/mod.rs
+++ b/src/librustc/session/mod.rs
@@ -1037,12 +1037,11 @@ pub fn build_session_with_source_map(
 
     let external_macro_backtrace = sopts.debugging_opts.external_macro_backtrace;
 
-    let emitter = match diagnostics_output {
-        DiagnosticOutput::Default => default_emitter(&sopts, registry, &source_map, None),
-        DiagnosticOutput::Raw(write) => {
-            default_emitter(&sopts, registry, &source_map, Some(write))
-        }
+    let write_dest = match diagnostics_output {
+        DiagnosticOutput::Default => None,
+        DiagnosticOutput::Raw(write) => Some(write),
     };
+    let emitter = default_emitter(&sopts, registry, &source_map, write_dest);
 
     let diagnostic_handler = errors::Handler::with_emitter_and_flags(
         emitter,
diff --git a/src/librustc_driver/Cargo.toml b/src/librustc_driver/Cargo.toml
index f1565a2bd0a..ff673e52b60 100644
--- a/src/librustc_driver/Cargo.toml
+++ b/src/librustc_driver/Cargo.toml
@@ -26,6 +26,7 @@ rustc_plugin = { path = "../librustc_plugin/deprecated" } # To get this in the s
 rustc_plugin_impl = { path = "../librustc_plugin" }
 rustc_save_analysis = { path = "../librustc_save_analysis" }
 rustc_codegen_utils = { path = "../librustc_codegen_utils" }
+rustc_error_codes = { path = "../librustc_error_codes" }
 rustc_interface = { path = "../librustc_interface" }
 rustc_serialize = { path = "../libserialize", package = "serialize" }
 rustc_resolve = { path = "../librustc_resolve" }
diff --git a/src/librustc_driver/lib.rs b/src/librustc_driver/lib.rs
index d4f796ee3a7..ef638464adc 100644
--- a/src/librustc_driver/lib.rs
+++ b/src/librustc_driver/lib.rs
@@ -40,7 +40,7 @@ use rustc::ty::TyCtxt;
 use rustc::util::common::{set_time_depth, time, print_time_passes_entry, ErrorReported};
 use rustc_metadata::locator;
 use rustc_codegen_utils::codegen_backend::CodegenBackend;
-use errors::PResult;
+use errors::{PResult, registry::Registry};
 use rustc_interface::interface;
 use rustc_interface::util::get_codegen_sysroot;
 use rustc_data_structures::sync::SeqCst;
@@ -140,6 +140,10 @@ impl Callbacks for TimePassesCallbacks {
     }
 }
 
+pub fn diagnostics_registry() -> Registry {
+    Registry::new(&rustc_error_codes::DIAGNOSTICS)
+}
+
 // Parse args and run the compiler. This is the primary entry point for rustc.
 // See comments on CompilerCalls below for details about the callbacks argument.
 // The FileLoader provides a way to load files from sources other than the file system.
@@ -182,13 +186,14 @@ pub fn run_compiler(
             lint_caps: Default::default(),
             register_lints: None,
             override_queries: None,
+            registry: diagnostics_registry(),
         };
         callbacks.config(&mut config);
         config
     };
 
     if let Some(ref code) = matches.opt_str("explain") {
-        handle_explain(code, sopts.error_format);
+        handle_explain(diagnostics_registry(), code, sopts.error_format);
         return Ok(());
     }
 
@@ -261,6 +266,7 @@ pub fn run_compiler(
         lint_caps: Default::default(),
         register_lints: None,
         override_queries: None,
+        registry: diagnostics_registry(),
     };
 
     callbacks.config(&mut config);
@@ -510,15 +516,13 @@ fn stdout_isatty() -> bool {
     }
 }
 
-fn handle_explain(code: &str,
-                  output: ErrorOutputType) {
-    let descriptions = rustc_interface::util::diagnostics_registry();
+fn handle_explain(registry: Registry, code: &str, output: ErrorOutputType) {
     let normalised = if code.starts_with("E") {
         code.to_string()
     } else {
         format!("E{0:0>4}", code)
     };
-    match descriptions.find_description(&normalised) {
+    match registry.find_description(&normalised) {
         Some(ref description) => {
             let mut is_in_code_block = false;
             let mut text = String::new();
diff --git a/src/librustc_error_codes/error_codes.rs b/src/librustc_error_codes/error_codes.rs
index ffefe51f854..428cecf13a3 100644
--- a/src/librustc_error_codes/error_codes.rs
+++ b/src/librustc_error_codes/error_codes.rs
@@ -7,8 +7,7 @@
 // Error messages' format must follow the RFC 1567 available here:
 // https://github.com/rust-lang/rfcs/pull/1567
 
-crate::register_diagnostics! {
-
+register_diagnostics! {
 E0001: include_str!("./error_codes/E0001.md"),
 E0002: include_str!("./error_codes/E0002.md"),
 E0004: include_str!("./error_codes/E0004.md"),
diff --git a/src/librustc_error_codes/lib.rs b/src/librustc_error_codes/lib.rs
index 36b1518c869..14210fd69ad 100644
--- a/src/librustc_error_codes/lib.rs
+++ b/src/librustc_error_codes/lib.rs
@@ -1,19 +1,14 @@
-//! This library is used to gather all error codes into one place. The goal
-//! being to make their maintenance easier.
+//! This library is used to gather all error codes into one place,
+//! the goal being to make their maintenance easier.
 
-#[macro_export]
 macro_rules! register_diagnostics {
-    ($($ecode:ident: $message:expr,)*) => (
-        $crate::register_diagnostics!{$($ecode:$message,)* ;}
-    );
-
     ($($ecode:ident: $message:expr,)* ; $($code:ident,)*) => (
         pub static DIAGNOSTICS: &[(&str, &str)] = &[
             $( (stringify!($ecode), $message), )*
         ];
 
         $(
-            pub const $ecode: &str = $message;
+            pub const $ecode: () = ();
         )*
         $(
             pub const $code: () = ();
diff --git a/src/librustc_interface/Cargo.toml b/src/librustc_interface/Cargo.toml
index b16cfe9efa7..de59882bbdf 100644
--- a/src/librustc_interface/Cargo.toml
+++ b/src/librustc_interface/Cargo.toml
@@ -34,7 +34,6 @@ rustc_errors = { path = "../librustc_errors" }
 rustc_plugin = { path = "../librustc_plugin", package = "rustc_plugin_impl" }
 rustc_privacy = { path = "../librustc_privacy" }
 rustc_resolve = { path = "../librustc_resolve" }
-rustc_error_codes = { path = "../librustc_error_codes" }
 tempfile = "3.0.5"
 once_cell = "1"
 
diff --git a/src/librustc_interface/interface.rs b/src/librustc_interface/interface.rs
index fae4eb48c4a..c153de7103a 100644
--- a/src/librustc_interface/interface.rs
+++ b/src/librustc_interface/interface.rs
@@ -11,6 +11,7 @@ use rustc_codegen_utils::codegen_backend::CodegenBackend;
 use rustc_data_structures::OnDrop;
 use rustc_data_structures::sync::Lrc;
 use rustc_data_structures::fx::{FxHashSet, FxHashMap};
+use rustc_errors::registry::Registry;
 use rustc_parse::new_parser_from_source_str;
 use rustc::ty;
 use std::path::PathBuf;
@@ -141,12 +142,16 @@ pub struct Config {
     /// The second parameter is local providers and the third parameter is external providers.
     pub override_queries:
         Option<fn(&Session, &mut ty::query::Providers<'_>, &mut ty::query::Providers<'_>)>,
+
+    /// Registry of diagnostics codes.
+    pub registry: Registry,
 }
 
-pub fn run_compiler_in_existing_thread_pool<F, R>(config: Config, f: F) -> R
-where
-    F: FnOnce(&Compiler) -> R,
-{
+pub fn run_compiler_in_existing_thread_pool<R>(
+    config: Config,
+    f: impl FnOnce(&Compiler) -> R,
+) -> R {
+    let registry = &config.registry;
     let (sess, codegen_backend, source_map) = util::create_session(
         config.opts,
         config.crate_cfg,
@@ -154,6 +159,7 @@ where
         config.file_loader,
         config.input_path.clone(),
         config.lint_caps,
+        registry.clone(),
     );
 
     let compiler = Compiler {
@@ -171,17 +177,13 @@ where
     };
 
     let _sess_abort_error = OnDrop(|| {
-        compiler.sess.diagnostic().print_error_count(&util::diagnostics_registry());
+        compiler.sess.diagnostic().print_error_count(registry);
     });
 
     f(&compiler)
 }
 
-pub fn run_compiler<F, R>(mut config: Config, f: F) -> R
-where
-    F: FnOnce(&Compiler) -> R + Send,
-    R: Send,
-{
+pub fn run_compiler<R: Send>(mut config: Config, f: impl FnOnce(&Compiler) -> R + Send) -> R {
     let stderr = config.stderr.take();
     util::spawn_thread_pool(
         config.opts.edition,
@@ -191,11 +193,7 @@ where
     )
 }
 
-pub fn default_thread_pool<F, R>(edition: edition::Edition, f: F) -> R
-where
-    F: FnOnce() -> R + Send,
-    R: Send,
-{
+pub fn default_thread_pool<R: Send>(edition: edition::Edition, f: impl FnOnce() -> R + Send) -> R {
     // the 1 here is duplicating code in config.opts.debugging_opts.threads
     // which also defaults to 1; it ultimately doesn't matter as the default
     // isn't threaded, and just ignores this parameter
diff --git a/src/librustc_interface/util.rs b/src/librustc_interface/util.rs
index a5653a21b31..2b4320c04e6 100644
--- a/src/librustc_interface/util.rs
+++ b/src/librustc_interface/util.rs
@@ -15,7 +15,6 @@ use rustc_data_structures::fx::{FxHashSet, FxHashMap};
 use rustc_errors::registry::Registry;
 use rustc_metadata::dynamic_lib::DynamicLibrary;
 use rustc_resolve::{self, Resolver};
-use rustc_error_codes;
 use std::env;
 use std::env::consts::{DLL_PREFIX, DLL_SUFFIX};
 use std::io::{self, Write};
@@ -37,15 +36,6 @@ use syntax_pos::edition::Edition;
 #[cfg(not(parallel_compiler))]
 use std::{thread, panic};
 
-pub fn diagnostics_registry() -> Registry {
-    let mut all_errors = Vec::new();
-    all_errors.extend_from_slice(&rustc_error_codes::DIAGNOSTICS);
-    // FIXME: need to figure out a way to get these back in here
-    // all_errors.extend_from_slice(get_codegen_backend(sess).diagnostics());
-
-    Registry::new(&all_errors)
-}
-
 /// Adds `target_feature = "..."` cfgs for a variety of platform
 /// specific features (SSE, NEON etc.).
 ///
@@ -77,9 +67,8 @@ pub fn create_session(
     file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>,
     input_path: Option<PathBuf>,
     lint_caps: FxHashMap<lint::LintId, lint::Level>,
+    descriptions: Registry,
 ) -> (Lrc<Session>, Lrc<Box<dyn CodegenBackend>>, Lrc<SourceMap>) {
-    let descriptions = diagnostics_registry();
-
     let loader = file_loader.unwrap_or(box RealFileLoader);
     let source_map = Lrc::new(SourceMap::with_file_loader(
         loader,
diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs
index 507732a9107..2b4ac7676fa 100644
--- a/src/librustdoc/core.rs
+++ b/src/librustdoc/core.rs
@@ -21,7 +21,6 @@ use syntax::feature_gate::UnstableFeatures;
 use errors::json::JsonEmitter;
 use syntax::symbol::sym;
 use syntax_pos::DUMMY_SP;
-use errors;
 use errors::emitter::{Emitter, EmitterWriter};
 
 use std::cell::RefCell;
@@ -341,6 +340,7 @@ pub fn run_core(options: RustdocOptions) -> (clean::Crate, RenderInfo, RenderOpt
         lint_caps,
         register_lints: None,
         override_queries: None,
+        registry: rustc_driver::diagnostics_registry(),
     };
 
     interface::run_compiler_in_existing_thread_pool(config, |compiler| {
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index 4f102dbf128..8bfaf98f086 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -23,8 +23,9 @@ extern crate getopts;
 extern crate env_logger;
 extern crate rustc;
 extern crate rustc_data_structures;
-extern crate rustc_index;
 extern crate rustc_driver;
+extern crate rustc_error_codes;
+extern crate rustc_index;
 extern crate rustc_resolve;
 extern crate rustc_lint;
 extern crate rustc_interface;
diff --git a/src/librustdoc/test.rs b/src/librustdoc/test.rs
index c483f6fb477..98e18d666f1 100644
--- a/src/librustdoc/test.rs
+++ b/src/librustdoc/test.rs
@@ -80,6 +80,7 @@ pub fn run(options: Options) -> i32 {
         lint_caps: Default::default(),
         register_lints: None,
         override_queries: None,
+        registry: rustc_driver::diagnostics_registry(),
     };
 
     let mut test_args = options.test_args.clone();
diff --git a/src/test/run-make-fulldeps/issue-19371/foo.rs b/src/test/run-make-fulldeps/issue-19371/foo.rs
index 9f1850dfb4c..f9ecff2abaa 100644
--- a/src/test/run-make-fulldeps/issue-19371/foo.rs
+++ b/src/test/run-make-fulldeps/issue-19371/foo.rs
@@ -2,7 +2,7 @@
 
 extern crate rustc;
 extern crate rustc_interface;
-extern crate rustc_driver as _;
+extern crate rustc_driver;
 extern crate syntax;
 
 use rustc::session::DiagnosticOutput;
@@ -61,6 +61,7 @@ fn compile(code: String, output: PathBuf, sysroot: PathBuf) {
         lint_caps: Default::default(),
         register_lints: None,
         override_queries: None,
+        registry: rustc_driver::diagnostics_registry(),
     };
 
     interface::run_compiler(config, |compiler| {
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-04-25 23:30:51 +0000