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-rw-r--r--src/librustdoc/config.rs16
-rw-r--r--src/librustdoc/core.rs4
-rw-r--r--src/librustdoc/doctest.rs7
-rw-r--r--src/librustdoc/doctest/make.rs2
-rw-r--r--src/librustdoc/externalfiles.rs7
-rw-r--r--src/librustdoc/lib.rs13
-rw-r--r--src/librustdoc/scrape_examples.rs5
-rw-r--r--src/librustdoc/theme.rs4
-rw-r--r--src/tools/clippy/src/driver.rs4
-rw-r--r--src/tools/miri/src/diagnostics.rs2
-rw-r--r--src/tools/rustfmt/src/parse/macros/cfg_if.rs2
-rw-r--r--src/tools/rustfmt/src/parse/macros/lazy_static.rs6
-rw-r--r--src/tools/rustfmt/src/parse/macros/mod.rs6
-rw-r--r--src/tools/rustfmt/src/parse/session.rs8
14 files changed, 45 insertions, 41 deletions
diff --git a/src/librustdoc/config.rs b/src/librustdoc/config.rs
index 78d4129f642..45bd1616e83 100644
--- a/src/librustdoc/config.rs
+++ b/src/librustdoc/config.rs
@@ -8,6 +8,7 @@ use std::path::PathBuf;
 use std::str::FromStr;
 
 use rustc_data_structures::fx::FxHashMap;
+use rustc_errors::DiagCtxtHandle;
 use rustc_session::config::{
     self, parse_crate_types_from_list, parse_externs, parse_target_triple, CrateType,
 };
@@ -383,9 +384,10 @@ impl Options {
         };
 
         let dcx = new_dcx(error_format, None, diagnostic_width, &unstable_opts);
+        let dcx = dcx.handle();
 
         // check for deprecated options
-        check_deprecated_options(matches, &dcx);
+        check_deprecated_options(matches, dcx);
 
         if matches.opt_strs("passes") == ["list"] {
             println!("Available passes for running rustdoc:");
@@ -458,7 +460,7 @@ impl Options {
             println!("rustdoc: [check-theme] Starting tests! (Ignoring all other arguments)");
             for theme_file in to_check.iter() {
                 print!(" - Checking \"{theme_file}\"...");
-                let (success, differences) = theme::test_theme_against(theme_file, &paths, &dcx);
+                let (success, differences) = theme::test_theme_against(theme_file, &paths, dcx);
                 if !differences.is_empty() || !success {
                     println!(" FAILED");
                     errors += 1;
@@ -603,7 +605,7 @@ impl Options {
                         .with_help("arguments to --theme must have a .css extension")
                         .emit();
                 }
-                let (success, ret) = theme::test_theme_against(&theme_file, &paths, &dcx);
+                let (success, ret) = theme::test_theme_against(&theme_file, &paths, dcx);
                 if !success {
                     dcx.fatal(format!("error loading theme file: \"{theme_s}\""));
                 } else if !ret.is_empty() {
@@ -630,7 +632,7 @@ impl Options {
             &matches.opt_strs("markdown-before-content"),
             &matches.opt_strs("markdown-after-content"),
             nightly_options::match_is_nightly_build(matches),
-            &dcx,
+            dcx,
             &mut id_map,
             edition,
             &None,
@@ -741,9 +743,9 @@ impl Options {
             );
         }
 
-        let scrape_examples_options = ScrapeExamplesOptions::new(matches, &dcx);
+        let scrape_examples_options = ScrapeExamplesOptions::new(matches, dcx);
         let with_examples = matches.opt_strs("with-examples");
-        let call_locations = crate::scrape_examples::load_call_locations(with_examples, &dcx);
+        let call_locations = crate::scrape_examples::load_call_locations(with_examples, dcx);
 
         let unstable_features =
             rustc_feature::UnstableFeatures::from_environment(crate_name.as_deref());
@@ -847,7 +849,7 @@ fn parse_remap_path_prefix(
 }
 
 /// Prints deprecation warnings for deprecated options
-fn check_deprecated_options(matches: &getopts::Matches, dcx: &rustc_errors::DiagCtxt) {
+fn check_deprecated_options(matches: &getopts::Matches, dcx: DiagCtxtHandle<'_>) {
     let deprecated_flags = [];
 
     for &flag in deprecated_flags.iter() {
diff --git a/src/librustdoc/core.rs b/src/librustdoc/core.rs
index ce098a1bcfb..5d8e61f9fa0 100644
--- a/src/librustdoc/core.rs
+++ b/src/librustdoc/core.rs
@@ -3,7 +3,7 @@ use rustc_data_structures::sync::Lrc;
 use rustc_data_structures::unord::UnordSet;
 use rustc_errors::emitter::{stderr_destination, DynEmitter, HumanEmitter};
 use rustc_errors::json::JsonEmitter;
-use rustc_errors::{codes::*, ErrorGuaranteed, TerminalUrl};
+use rustc_errors::{codes::*, DiagCtxtHandle, ErrorGuaranteed, TerminalUrl};
 use rustc_feature::UnstableFeatures;
 use rustc_hir::def::Res;
 use rustc_hir::def_id::{DefId, DefIdMap, DefIdSet, LocalDefId};
@@ -379,7 +379,7 @@ pub(crate) fn run_global_ctxt(
         );
     }
 
-    fn report_deprecated_attr(name: &str, dcx: &rustc_errors::DiagCtxt, sp: Span) {
+    fn report_deprecated_attr(name: &str, dcx: DiagCtxtHandle<'_>, sp: Span) {
         let mut msg =
             dcx.struct_span_warn(sp, format!("the `#![doc({name})]` attribute is deprecated"));
         msg.note(
diff --git a/src/librustdoc/doctest.rs b/src/librustdoc/doctest.rs
index 81a7463deca..40cc4a9d441 100644
--- a/src/librustdoc/doctest.rs
+++ b/src/librustdoc/doctest.rs
@@ -7,7 +7,7 @@ pub(crate) use markdown::test as test_markdown;
 
 use rustc_ast as ast;
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
-use rustc_errors::{ColorConfig, ErrorGuaranteed, FatalError};
+use rustc_errors::{ColorConfig, DiagCtxtHandle, ErrorGuaranteed, FatalError};
 use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_hir::CRATE_HIR_ID;
 use rustc_interface::interface;
@@ -90,10 +90,7 @@ fn get_doctest_dir() -> io::Result<TempDir> {
     TempFileBuilder::new().prefix("rustdoctest").tempdir()
 }
 
-pub(crate) fn run(
-    dcx: &rustc_errors::DiagCtxt,
-    options: RustdocOptions,
-) -> Result<(), ErrorGuaranteed> {
+pub(crate) fn run(dcx: DiagCtxtHandle<'_>, options: RustdocOptions) -> Result<(), ErrorGuaranteed> {
     let invalid_codeblock_attributes_name = crate::lint::INVALID_CODEBLOCK_ATTRIBUTES.name;
 
     // See core::create_config for what's going on here.
diff --git a/src/librustdoc/doctest/make.rs b/src/librustdoc/doctest/make.rs
index 599611407ed..74833c11362 100644
--- a/src/librustdoc/doctest/make.rs
+++ b/src/librustdoc/doctest/make.rs
@@ -229,7 +229,7 @@ fn check_for_main_and_extern_crate(
             // dcx. Any errors in the tests will be reported when the test file is compiled,
             // Note that we still need to cancel the errors above otherwise `Diag` will panic on
             // drop.
-            psess.dcx.reset_err_count();
+            psess.dcx().reset_err_count();
 
             (found_main, found_extern_crate, found_macro)
         })
diff --git a/src/librustdoc/externalfiles.rs b/src/librustdoc/externalfiles.rs
index 03ee042aa8d..62cdc0bd5a6 100644
--- a/src/librustdoc/externalfiles.rs
+++ b/src/librustdoc/externalfiles.rs
@@ -1,4 +1,5 @@
 use crate::html::markdown::{ErrorCodes, HeadingOffset, IdMap, Markdown, Playground};
+use rustc_errors::DiagCtxtHandle;
 use rustc_span::edition::Edition;
 use std::fs;
 use std::path::Path;
@@ -27,7 +28,7 @@ impl ExternalHtml {
         md_before_content: &[String],
         md_after_content: &[String],
         nightly_build: bool,
-        dcx: &rustc_errors::DiagCtxt,
+        dcx: DiagCtxtHandle<'_>,
         id_map: &mut IdMap,
         edition: Edition,
         playground: &Option<Playground>,
@@ -75,7 +76,7 @@ pub(crate) enum LoadStringError {
 
 pub(crate) fn load_string<P: AsRef<Path>>(
     file_path: P,
-    dcx: &rustc_errors::DiagCtxt,
+    dcx: DiagCtxtHandle<'_>,
 ) -> Result<String, LoadStringError> {
     let file_path = file_path.as_ref();
     let contents = match fs::read(file_path) {
@@ -98,7 +99,7 @@ pub(crate) fn load_string<P: AsRef<Path>>(
     }
 }
 
-fn load_external_files(names: &[String], dcx: &rustc_errors::DiagCtxt) -> Option<String> {
+fn load_external_files(names: &[String], dcx: DiagCtxtHandle<'_>) -> Option<String> {
     let mut out = String::new();
     for name in names {
         let Ok(s) = load_string(name, dcx) else { return None };
diff --git a/src/librustdoc/lib.rs b/src/librustdoc/lib.rs
index d6e715d48ea..fb4cd218b84 100644
--- a/src/librustdoc/lib.rs
+++ b/src/librustdoc/lib.rs
@@ -77,7 +77,7 @@ use std::io::{self, IsTerminal};
 use std::process;
 use std::sync::{atomic::AtomicBool, Arc};
 
-use rustc_errors::{ErrorGuaranteed, FatalError};
+use rustc_errors::{DiagCtxtHandle, ErrorGuaranteed, FatalError};
 use rustc_interface::interface;
 use rustc_middle::ty::TyCtxt;
 use rustc_session::config::{make_crate_type_option, ErrorOutputType, RustcOptGroup};
@@ -670,7 +670,7 @@ fn usage(argv0: &str) {
 /// A result type used by several functions under `main()`.
 type MainResult = Result<(), ErrorGuaranteed>;
 
-pub(crate) fn wrap_return(dcx: &rustc_errors::DiagCtxt, res: Result<(), String>) -> MainResult {
+pub(crate) fn wrap_return(dcx: DiagCtxtHandle<'_>, res: Result<(), String>) -> MainResult {
     match res {
         Ok(()) => dcx.has_errors().map_or(Ok(()), Err),
         Err(err) => Err(dcx.err(err)),
@@ -732,12 +732,13 @@ fn main_args(
         None => return Ok(()),
     };
 
-    let diag =
+    let dcx =
         core::new_dcx(options.error_format, None, options.diagnostic_width, &options.unstable_opts);
+    let dcx = dcx.handle();
 
     match (options.should_test, options.markdown_input()) {
-        (true, Some(_)) => return wrap_return(&diag, doctest::test_markdown(options)),
-        (true, None) => return doctest::run(&diag, options),
+        (true, Some(_)) => return wrap_return(dcx, doctest::test_markdown(options)),
+        (true, None) => return doctest::run(dcx, options),
         (false, Some(input)) => {
             let input = input.to_owned();
             let edition = options.edition;
@@ -747,7 +748,7 @@ fn main_args(
             // requires session globals and a thread pool, so we use
             // `run_compiler`.
             return wrap_return(
-                &diag,
+                dcx,
                 interface::run_compiler(config, |_compiler| {
                     markdown::render(&input, render_options, edition)
                 }),
diff --git a/src/librustdoc/scrape_examples.rs b/src/librustdoc/scrape_examples.rs
index e9b380fdeac..5a595e03953 100644
--- a/src/librustdoc/scrape_examples.rs
+++ b/src/librustdoc/scrape_examples.rs
@@ -7,6 +7,7 @@ use crate::formats::renderer::FormatRenderer;
 use crate::html::render::Context;
 
 use rustc_data_structures::fx::FxHashMap;
+use rustc_errors::DiagCtxtHandle;
 use rustc_hir::{
     self as hir,
     intravisit::{self, Visitor},
@@ -38,7 +39,7 @@ pub(crate) struct ScrapeExamplesOptions {
 }
 
 impl ScrapeExamplesOptions {
-    pub(crate) fn new(matches: &getopts::Matches, dcx: &rustc_errors::DiagCtxt) -> Option<Self> {
+    pub(crate) fn new(matches: &getopts::Matches, dcx: DiagCtxtHandle<'_>) -> Option<Self> {
         let output_path = matches.opt_str("scrape-examples-output-path");
         let target_crates = matches.opt_strs("scrape-examples-target-crate");
         let scrape_tests = matches.opt_present("scrape-tests");
@@ -336,7 +337,7 @@ pub(crate) fn run(
 // options.
 pub(crate) fn load_call_locations(
     with_examples: Vec<String>,
-    dcx: &rustc_errors::DiagCtxt,
+    dcx: DiagCtxtHandle<'_>,
 ) -> AllCallLocations {
     let mut all_calls: AllCallLocations = FxHashMap::default();
     for path in with_examples {
diff --git a/src/librustdoc/theme.rs b/src/librustdoc/theme.rs
index 31d32e23f8e..2fa54a9cd81 100644
--- a/src/librustdoc/theme.rs
+++ b/src/librustdoc/theme.rs
@@ -5,7 +5,7 @@ use std::iter::Peekable;
 use std::path::Path;
 use std::str::Chars;
 
-use rustc_errors::DiagCtxt;
+use rustc_errors::DiagCtxtHandle;
 
 #[cfg(test)]
 mod tests;
@@ -236,7 +236,7 @@ pub(crate) fn get_differences(
 pub(crate) fn test_theme_against<P: AsRef<Path>>(
     f: &P,
     origin: &FxHashMap<String, CssPath>,
-    dcx: &DiagCtxt,
+    dcx: DiagCtxtHandle<'_>,
 ) -> (bool, Vec<String>) {
     let against = match fs::read_to_string(f)
         .map_err(|e| e.to_string())
diff --git a/src/tools/clippy/src/driver.rs b/src/tools/clippy/src/driver.rs
index f79da26964f..6117e76897f 100644
--- a/src/tools/clippy/src/driver.rs
+++ b/src/tools/clippy/src/driver.rs
@@ -180,12 +180,12 @@ pub fn main() {
 
     rustc_driver::init_rustc_env_logger(&early_dcx);
 
-    let using_internal_features = rustc_driver::install_ice_hook(BUG_REPORT_URL, |handler| {
+    let using_internal_features = rustc_driver::install_ice_hook(BUG_REPORT_URL, |dcx| {
         // FIXME: this macro calls unwrap internally but is called in a panicking context!  It's not
         // as simple as moving the call from the hook to main, because `install_ice_hook` doesn't
         // accept a generic closure.
         let version_info = rustc_tools_util::get_version_info!();
-        handler.note(format!("Clippy version: {version_info}"));
+        dcx.handle().note(format!("Clippy version: {version_info}"));
     });
 
     exit(rustc_driver::catch_with_exit_code(move || {
diff --git a/src/tools/miri/src/diagnostics.rs b/src/tools/miri/src/diagnostics.rs
index 14e29aa423d..12fb76f3972 100644
--- a/src/tools/miri/src/diagnostics.rs
+++ b/src/tools/miri/src/diagnostics.rs
@@ -566,7 +566,7 @@ pub fn report_msg<'tcx>(
         let is_local = machine.is_local(frame_info);
         // No span for non-local frames and the first frame (which is the error site).
         if is_local && idx > 0 {
-            err.subdiagnostic(err.dcx, frame_info.as_note(machine.tcx));
+            err.subdiagnostic(frame_info.as_note(machine.tcx));
         } else {
             let sm = sess.source_map();
             let span = sm.span_to_embeddable_string(frame_info.span);
diff --git a/src/tools/rustfmt/src/parse/macros/cfg_if.rs b/src/tools/rustfmt/src/parse/macros/cfg_if.rs
index 5fc988e4319..b91d203d531 100644
--- a/src/tools/rustfmt/src/parse/macros/cfg_if.rs
+++ b/src/tools/rustfmt/src/parse/macros/cfg_if.rs
@@ -67,7 +67,7 @@ fn parse_cfg_if_inner<'a>(
                 Ok(None) => continue,
                 Err(err) => {
                     err.cancel();
-                    parser.psess.dcx.reset_err_count();
+                    parser.psess.dcx().reset_err_count();
                     return Err(
                         "Expected item inside cfg_if block, but failed to parse it as an item",
                     );
diff --git a/src/tools/rustfmt/src/parse/macros/lazy_static.rs b/src/tools/rustfmt/src/parse/macros/lazy_static.rs
index badd9569950..7026935294a 100644
--- a/src/tools/rustfmt/src/parse/macros/lazy_static.rs
+++ b/src/tools/rustfmt/src/parse/macros/lazy_static.rs
@@ -16,8 +16,8 @@ pub(crate) fn parse_lazy_static(
         ($method:ident $(,)* $($arg:expr),* $(,)*) => {
             match parser.$method($($arg,)*) {
                 Ok(val) => {
-                    if parser.psess.dcx.has_errors().is_some() {
-                        parser.psess.dcx.reset_err_count();
+                    if parser.psess.dcx().has_errors().is_some() {
+                        parser.psess.dcx().reset_err_count();
                         return None;
                     } else {
                         val
@@ -25,7 +25,7 @@ pub(crate) fn parse_lazy_static(
                 }
                 Err(err) => {
                     err.cancel();
-                    parser.psess.dcx.reset_err_count();
+                    parser.psess.dcx().reset_err_count();
                     return None;
                 }
             }
diff --git a/src/tools/rustfmt/src/parse/macros/mod.rs b/src/tools/rustfmt/src/parse/macros/mod.rs
index cbcc0b2d636..89169e10715 100644
--- a/src/tools/rustfmt/src/parse/macros/mod.rs
+++ b/src/tools/rustfmt/src/parse/macros/mod.rs
@@ -29,8 +29,8 @@ fn parse_macro_arg<'a, 'b: 'a>(parser: &'a mut Parser<'b>) -> Option<MacroArg> {
             if Parser::nonterminal_may_begin_with($nt_kind, &cloned_parser.token) {
                 match $try_parse(&mut cloned_parser) {
                     Ok(x) => {
-                        if parser.psess.dcx.has_errors().is_some() {
-                            parser.psess.dcx.reset_err_count();
+                        if parser.psess.dcx().has_errors().is_some() {
+                            parser.psess.dcx().reset_err_count();
                         } else {
                             // Parsing succeeded.
                             *parser = cloned_parser;
@@ -39,7 +39,7 @@ fn parse_macro_arg<'a, 'b: 'a>(parser: &'a mut Parser<'b>) -> Option<MacroArg> {
                     }
                     Err(e) => {
                         e.cancel();
-                        parser.psess.dcx.reset_err_count();
+                        parser.psess.dcx().reset_err_count();
                     }
                 }
             }
diff --git a/src/tools/rustfmt/src/parse/session.rs b/src/tools/rustfmt/src/parse/session.rs
index 1a39d212386..f4fbabaf6c9 100644
--- a/src/tools/rustfmt/src/parse/session.rs
+++ b/src/tools/rustfmt/src/parse/session.rs
@@ -210,7 +210,9 @@ impl ParseSess {
             rustc_driver::DEFAULT_LOCALE_RESOURCES.to_vec(),
             false,
         );
-        self.raw_psess.dcx.make_silent(fallback_bundle, None, false);
+        self.raw_psess
+            .dcx()
+            .make_silent(fallback_bundle, None, false);
     }
 
     pub(crate) fn span_to_filename(&self, span: Span) -> FileName {
@@ -286,11 +288,11 @@ impl ParseSess {
     }
 
     pub(super) fn has_errors(&self) -> bool {
-        self.raw_psess.dcx.has_errors().is_some()
+        self.raw_psess.dcx().has_errors().is_some()
     }
 
     pub(super) fn reset_errors(&self) {
-        self.raw_psess.dcx.reset_err_count();
+        self.raw_psess.dcx().reset_err_count();
     }
 }
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-10-31 21:52:28 +0000