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lint: port clashing extern diagnostics

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Signed-off-by: David Wood <david.wood@huawei.com>
This commit is contained in:
David Wood 2022-06-28 15:08:34 +01:00
parent 157cbbca04
commit 2e563a4a3e
2 changed files with 17 additions and 14 deletions
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7
compiler/rustc_error_messages/locales/en-US/lint.ftl
View File

@ -386,3 +386,10 @@ lint-builtin-explicit-outlives = outlives requirements can be inferred
lint-builtin-incomplete-features = the feature `{$name}` is incomplete and may not be safe to use and/or cause compiler crashes
.note = see issue #{$n} <https://github.com/rust-lang/rust/issues/{$n}> for more information
.help = consider using `min_{$name}` instead, which is more stable and complete
lint-builtin-clashing-extern-same-name = `{$this_fi}` redeclared with a different signature
.previous-decl-label = `{$orig}` previously declared here
.mismatch-label = this signature doesn't match the previous declaration
lint-builtin-clashing-extern-diff-name = `{$this_fi}` redeclares `{$orig}` with a different signature
.previous-decl-label = `{$orig}` previously declared here
.mismatch-label = this signature doesn't match the previous declaration

24
compiler/rustc_lint/src/builtin.rs
View File

@ -2972,23 +2972,19 @@ impl<'tcx> LateLintPass<'tcx> for ClashingExternDeclarations {
let mut found_str = DiagnosticStyledString::new();
found_str.push(this_decl_ty.fn_sig(tcx).to_string(), true);
lint.build(&format!(
"`{}` redeclare{} with a different signature",
this_fi.ident.name,
if orig.get_name() == this_fi.ident.name {
"d".to_string()
} else {
format!("s `{}`", orig.get_name())
}
))
lint.build(if orig.get_name() == this_fi.ident.name {
fluent::lint::builtin_clashing_extern_same_name
} else {
fluent::lint::builtin_clashing_extern_diff_name
})
.set_arg("this_fi", this_fi.ident.name)
.set_arg("orig", orig.get_name())
.span_label(
get_relevant_span(orig_fi),
&format!("`{}` previously declared here", orig.get_name()),
)
.span_label(
get_relevant_span(this_fi),
"this signature doesn't match the previous declaration",
fluent::lint::previous_decl_label,
)
.span_label(get_relevant_span(this_fi), fluent::lint::mismatch_label)
// FIXME(davidtwco): translatable expected/found
.note_expected_found(&"", expected_str, &"", found_str)
.emit();
},