90 lines
2.7 KiB
Rust
90 lines
2.7 KiB
Rust
// compile-flags: -Z unstable-options
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#![crate_type = "lib"]
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#![feature(rustc_attrs)]
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#![feature(rustc_private)]
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#![deny(rustc::untranslatable_diagnostic)]
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#![deny(rustc::diagnostic_outside_of_impl)]
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extern crate rustc_errors;
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extern crate rustc_macros;
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extern crate rustc_session;
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extern crate rustc_span;
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use rustc_errors::{
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AddToDiagnostic, IntoDiagnostic, Diagnostic, DiagnosticBuilder,
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ErrorGuaranteed, Handler, fluent, SubdiagnosticMessage,
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};
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use rustc_macros::{Diagnostic, Subdiagnostic};
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use rustc_span::Span;
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#[derive(Diagnostic)]
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#[diag(compiletest_example)]
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struct DeriveDiagnostic {
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#[primary_span]
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span: Span,
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}
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#[derive(Subdiagnostic)]
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#[note(compiletest_example)]
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struct Note {
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#[primary_span]
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span: Span,
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}
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pub struct UntranslatableInIntoDiagnostic;
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impl<'a> IntoDiagnostic<'a, ErrorGuaranteed> for UntranslatableInIntoDiagnostic {
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fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, ErrorGuaranteed> {
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handler.struct_err("untranslatable diagnostic")
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//~^ ERROR diagnostics should be created using translatable messages
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}
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}
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pub struct TranslatableInIntoDiagnostic;
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impl<'a> IntoDiagnostic<'a, ErrorGuaranteed> for TranslatableInIntoDiagnostic {
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fn into_diagnostic(self, handler: &'a Handler) -> DiagnosticBuilder<'a, ErrorGuaranteed> {
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handler.struct_err(fluent::compiletest_example)
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}
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}
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pub struct UntranslatableInAddToDiagnostic;
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impl AddToDiagnostic for UntranslatableInAddToDiagnostic {
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fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
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where
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F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
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{
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diag.note("untranslatable diagnostic");
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//~^ ERROR diagnostics should be created using translatable messages
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}
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}
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pub struct TranslatableInAddToDiagnostic;
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impl AddToDiagnostic for TranslatableInAddToDiagnostic {
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fn add_to_diagnostic_with<F>(self, diag: &mut Diagnostic, _: F)
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where
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F: Fn(&mut Diagnostic, SubdiagnosticMessage) -> SubdiagnosticMessage,
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{
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diag.note(fluent::note);
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}
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}
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pub fn make_diagnostics<'a>(handler: &'a Handler) {
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let _diag = handler.struct_err(fluent::compiletest_example);
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//~^ ERROR diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls
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let _diag = handler.struct_err("untranslatable diagnostic");
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//~^ ERROR diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls
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//~^^ ERROR diagnostics should be created using translatable messages
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}
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// Check that `rustc_lint_diagnostics`-annotated functions aren't themselves linted.
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#[rustc_lint_diagnostics]
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pub fn skipped_because_of_annotation<'a>(handler: &'a Handler) {
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let _diag = handler.struct_err("untranslatable diagnostic"); // okay!
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}
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