Rollup merge of #121301 - davidtwco:rustfmt-silent-emitter, r=pnkfelix

errors: share `SilentEmitter` between rustc and rustfmt

Fixes rust-lang/rustfmt#6082.

Shares the `SilentEmitter` between rustc and rustfmt, and gives it a fallback bundle (since it can emit diagnostics in some contexts).

1 files changed, 12 insertions, 6 deletions

diff --git a/compiler/rustc_session/src/parse.rs b/compiler/rustc_session/src/parse.rs
index 25b5422f322..506bd5d5dbd 100644
--- a/compiler/rustc_session/src/parse.rs
+++ b/compiler/rustc_session/src/parse.rs
@@ -265,14 +265,20 @@ impl ParseSess {
         }
     }
 
-    pub fn with_silent_emitter(fatal_note: String) -> Self {
-        let fallback_bundle = fallback_fluent_bundle(Vec::new(), false);
+    pub fn with_silent_emitter(locale_resources: Vec<&'static str>, fatal_note: String) -> Self {
+        let fallback_bundle = fallback_fluent_bundle(locale_resources, false);
         let sm = Lrc::new(SourceMap::new(FilePathMapping::empty()));
-        let emitter =
-            Box::new(HumanEmitter::new(stderr_destination(ColorConfig::Auto), fallback_bundle));
+        let emitter = Box::new(HumanEmitter::new(
+            stderr_destination(ColorConfig::Auto),
+            fallback_bundle.clone(),
+        ));
         let fatal_dcx = DiagCtxt::new(emitter);
-        let dcx =
-            DiagCtxt::new(Box::new(SilentEmitter { fatal_dcx, fatal_note })).disable_warnings();
+        let dcx = DiagCtxt::new(Box::new(SilentEmitter {
+            fallback_bundle,
+            fatal_dcx,
+            fatal_note: Some(fatal_note),
+        }))
+        .disable_warnings();
         ParseSess::with_dcx(dcx, sm)
     }