Rename IntoDiagnosticArg as IntoDiagArg.

Also rename `into_diagnostic_arg` as `into_diag_arg`, and
`NotIntoDiagnosticArg` as `NotInotDiagArg`.

compiler/rustc_borrowck/src/diagnostics/region_name.rs

@@ -191,9 +191,9 @@ impl Display for RegionName {
     }
 }
 
-impl rustc_errors::IntoDiagnosticArg for RegionName {
-    fn into_diagnostic_arg(self) -> rustc_errors::DiagArgValue {
-        self.to_string().into_diagnostic_arg()
+impl rustc_errors::IntoDiagArg for RegionName {
+    fn into_diag_arg(self) -> rustc_errors::DiagArgValue {
+        self.to_string().into_diag_arg()
     }
 }
 

compiler/rustc_codegen_ssa/src/assert_module_sources.rs

@@ -27,7 +27,7 @@ use crate::errors;
 use rustc_ast as ast;
 use rustc_data_structures::unord::UnordMap;
 use rustc_data_structures::unord::UnordSet;
-use rustc_errors::{DiagArgValue, IntoDiagnosticArg};
+use rustc_errors::{DiagArgValue, IntoDiagArg};
 use rustc_hir::def_id::LOCAL_CRATE;
 use rustc_middle::mir::mono::CodegenUnitNameBuilder;
 use rustc_middle::ty::TyCtxt;
@@ -205,8 +205,8 @@ impl fmt::Display for CguReuse {
     }
 }
 
-impl IntoDiagnosticArg for CguReuse {
-    fn into_diagnostic_arg(self) -> DiagArgValue {
+impl IntoDiagArg for CguReuse {
+    fn into_diag_arg(self) -> DiagArgValue {
         DiagArgValue::Str(Cow::Owned(self.to_string()))
     }
 }

compiler/rustc_codegen_ssa/src/errors.rs

@@ -4,8 +4,7 @@ use crate::assert_module_sources::CguReuse;
 use crate::back::command::Command;
 use crate::fluent_generated as fluent;
 use rustc_errors::{
-    codes::*, Diag, DiagArgValue, DiagCtxt, EmissionGuarantee, IntoDiagnostic, IntoDiagnosticArg,
-    Level,
+    codes::*, Diag, DiagArgValue, DiagCtxt, EmissionGuarantee, IntoDiagArg, IntoDiagnostic, Level,
 };
 use rustc_macros::Diagnostic;
 use rustc_middle::ty::layout::LayoutError;
@@ -152,8 +151,8 @@ impl<'a> CopyPath<'a> {
 
 struct DebugArgPath<'a>(pub &'a Path);
 
-impl IntoDiagnosticArg for DebugArgPath<'_> {
-    fn into_diagnostic_arg(self) -> rustc_errors::DiagArgValue {
+impl IntoDiagArg for DebugArgPath<'_> {
+    fn into_diag_arg(self) -> rustc_errors::DiagArgValue {
         DiagArgValue::Str(Cow::Owned(format!("{:?}", self.0)))
     }
 }
@@ -974,8 +973,8 @@ pub enum ExpectedPointerMutability {
     Not,
 }
 
-impl IntoDiagnosticArg for ExpectedPointerMutability {
-    fn into_diagnostic_arg(self) -> DiagArgValue {
+impl IntoDiagArg for ExpectedPointerMutability {
+    fn into_diag_arg(self) -> DiagArgValue {
         match self {
             ExpectedPointerMutability::Mut => DiagArgValue::Str(Cow::Borrowed("*mut")),
             ExpectedPointerMutability::Not => DiagArgValue::Str(Cow::Borrowed("*_")),

compiler/rustc_const_eval/src/const_eval/error.rs

@@ -1,6 +1,6 @@
 use std::mem;
 
-use rustc_errors::{DiagArgName, DiagArgValue, DiagMessage, IntoDiagnostic, IntoDiagnosticArg};
+use rustc_errors::{DiagArgName, DiagArgValue, DiagMessage, IntoDiagArg, IntoDiagnostic};
 use rustc_hir::CRATE_HIR_ID;
 use rustc_middle::mir::AssertKind;
 use rustc_middle::query::TyCtxtAt;
@@ -40,10 +40,10 @@ impl MachineStopType for ConstEvalErrKind {
             RecursiveStatic | ConstAccessesMutGlobal | ModifiedGlobal => {}
             AssertFailure(kind) => kind.add_args(adder),
             Panic { msg, line, col, file } => {
-                adder("msg".into(), msg.into_diagnostic_arg());
-                adder("file".into(), file.into_diagnostic_arg());
-                adder("line".into(), line.into_diagnostic_arg());
-                adder("col".into(), col.into_diagnostic_arg());
+                adder("msg".into(), msg.into_diag_arg());
+                adder("file".into(), file.into_diag_arg());
+                adder("line".into(), line.into_diag_arg());
+                adder("col".into(), col.into_diag_arg());
             }
         }
     }

compiler/rustc_const_eval/src/errors.rs

@@ -887,8 +887,8 @@ impl ReportErrorExt for ResourceExhaustionInfo {
     fn add_args<G: EmissionGuarantee>(self, _: &mut Diag<'_, G>) {}
 }
 
-impl rustc_errors::IntoDiagnosticArg for InternKind {
-    fn into_diagnostic_arg(self) -> DiagArgValue {
+impl rustc_errors::IntoDiagArg for InternKind {
+    fn into_diag_arg(self) -> DiagArgValue {
         DiagArgValue::Str(Cow::Borrowed(match self {
             InternKind::Static(Mutability::Not) => "static",
             InternKind::Static(Mutability::Mut) => "static_mut",

compiler/rustc_errors/src/diagnostic.rs

@@ -38,7 +38,7 @@ pub enum DiagArgValue {
     Str(Cow<'static, str>),
     // This gets converted to a `FluentNumber`, which is an `f64`. An `i32`
     // safely fits in an `f64`. Any integers bigger than that will be converted
-    // to strings in `into_diagnostic_arg` and stored using the `Str` variant.
+    // to strings in `into_diag_arg` and stored using the `Str` variant.
     Number(i32),
     StrListSepByAnd(Vec<Cow<'static, str>>),
 }
@@ -148,12 +148,12 @@ where
 /// Implemented as a custom trait rather than `From` so that it is implemented on the type being
 /// converted rather than on `DiagArgValue`, which enables types from other `rustc_*` crates to
 /// implement this.
-pub trait IntoDiagnosticArg {
-    fn into_diagnostic_arg(self) -> DiagArgValue;
+pub trait IntoDiagArg {
+    fn into_diag_arg(self) -> DiagArgValue;
 }
 
-impl IntoDiagnosticArg for DiagArgValue {
-    fn into_diagnostic_arg(self) -> DiagArgValue {
+impl IntoDiagArg for DiagArgValue {
+    fn into_diag_arg(self) -> DiagArgValue {
         self
     }
 }
@@ -419,8 +419,8 @@ impl DiagInner {
         self.children.push(sub);
     }
 
-    pub(crate) fn arg(&mut self, name: impl Into<DiagArgName>, arg: impl IntoDiagnosticArg) {
-        self.args.insert(name.into(), arg.into_diagnostic_arg());
+    pub(crate) fn arg(&mut self, name: impl Into<DiagArgName>, arg: impl IntoDiagArg) {
+        self.args.insert(name.into(), arg.into_diag_arg());
     }
 
     /// Fields used for Hash, and PartialEq trait.
@@ -1243,7 +1243,7 @@ impl<'a, G: EmissionGuarantee> Diag<'a, G> {
     pub fn arg(
         &mut self,
         name: impl Into<DiagArgName>,
-        arg: impl IntoDiagnosticArg,
+        arg: impl IntoDiagArg,
     ) -> &mut Self {
         self.deref_mut().arg(name, arg);
         self