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lint: port keyword idents diagnostics

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Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-06-28 14:28:02 +01:00
parent 10f2d3f566
commit 10676418fa
3 changed files with 14 additions and 3 deletions
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3
compiler/rustc_error_messages/locales/en-US/lint.ftl
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@ -373,3 +373,6 @@ lint-builtin-ellipsis-inclusive-range-patterns = `...` range patterns are deprec
.suggestion = use `..=` for an inclusive range
lint-builtin-unnameable-test-items = cannot test inner items
lint-builtin-keyword-idents = `{$kw}` is a keyword in the {$next} edition
.suggestion = you can use a raw identifier to stay compatible

8
compiler/rustc_errors/src/diagnostic.rs
View file

@ -8,7 +8,7 @@ use rustc_error_messages::FluentValue;
use rustc_lint_defs::{Applicability, LintExpectationId};
use rustc_span::edition::LATEST_STABLE_EDITION;
use rustc_span::symbol::{Ident, Symbol};
use rustc_span::{Span, DUMMY_SP};
use rustc_span::{edition::Edition, Span, DUMMY_SP};
use std::borrow::Cow;
use std::fmt;
use std::hash::{Hash, Hasher};
@ -115,6 +115,12 @@ impl IntoDiagnosticArg for String {
}
}
impl IntoDiagnosticArg for Edition {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
DiagnosticArgValue::Str(Cow::Owned(self.to_string()))
}
}
impl IntoDiagnosticArg for Symbol {
fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
self.to_ident_string().into_diagnostic_arg()

6
compiler/rustc_lint/src/builtin.rs
View file

@ -2033,10 +2033,12 @@ impl KeywordIdents {
}
cx.struct_span_lint(KEYWORD_IDENTS, ident.span, |lint| {
lint.build(&format!("`{}` is a keyword in the {} edition", ident, next_edition))
lint.build(fluent::lint::builtin_keyword_idents)
.set_arg("kw", ident.clone())
.set_arg("next", next_edition)
.span_suggestion(
ident.span,
"you can use a raw identifier to stay compatible",
fluent::lint::suggestion,
format!("r#{}", ident),
Applicability::MachineApplicable,
)