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Migrate parts of rustc_expand to session diagnostics

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This migrates everything but the `mbe` and `proc_macro` modules. It also
contains a few cleanups and drive-by/accidental diagnostic improvements
which can be seen in the diff for the UI tests.
This commit is contained in:
nils 2022-11-15 14:24:33 +01:00 • committed by Nilstrieb
parent a000811405
commit 2f9f097cb8
19 changed files with 640 additions and 236 deletions
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6
compiler/rustc_errors/src/diagnostic_impls.rs
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@ -152,6 +152,12 @@ impl IntoDiagnosticArg for ast::Path {
}
}
impl IntoDiagnosticArg for &ast::Path {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(pprust::path_to_string(self)))
}
}
impl IntoDiagnosticArg for ast::token::Token {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(pprust::token_to_string(&self))