os-rust/tests/ui-fulldeps/internal-lints/diagnostics.rs
Nicholas Nethercote 6588f5b749 Rename Diagnostic as DiagInner.
I started by changing it to `DiagData`, but that didn't feel right.
`DiagInner` felt much better.
2024-02-28 08:33:25 +11:00

94 lines
2.9 KiB
Rust

//@ compile-flags: -Z unstable-options
#![crate_type = "lib"]
#![feature(rustc_attrs)]
#![feature(rustc_private)]
#![deny(rustc::untranslatable_diagnostic)]
#![deny(rustc::diagnostic_outside_of_impl)]
extern crate rustc_errors;
extern crate rustc_fluent_macro;
extern crate rustc_macros;
extern crate rustc_session;
extern crate rustc_span;
use rustc_errors::{
AddToDiagnostic, DiagnosticBuilder, EmissionGuarantee, DiagCtxt, IntoDiagnostic, Level,
SubdiagnosticMessageOp,
};
use rustc_macros::{Diagnostic, Subdiagnostic};
use rustc_span::Span;
rustc_fluent_macro::fluent_messages! { "./diagnostics.ftl" }
#[derive(Diagnostic)]
#[diag(no_crate_example)]
struct DeriveDiagnostic {
#[primary_span]
span: Span,
}
#[derive(Subdiagnostic)]
#[note(no_crate_example)]
struct Note {
#[primary_span]
span: Span,
}
pub struct UntranslatableInIntoDiagnostic;
impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for UntranslatableInIntoDiagnostic {
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> {
DiagnosticBuilder::new(dcx, level, "untranslatable diagnostic")
//~^ ERROR diagnostics should be created using translatable messages
}
}
pub struct TranslatableInIntoDiagnostic;
impl<'a, G: EmissionGuarantee> IntoDiagnostic<'a, G> for TranslatableInIntoDiagnostic {
fn into_diagnostic(self, dcx: &'a DiagCtxt, level: Level) -> DiagnosticBuilder<'a, G> {
DiagnosticBuilder::new(dcx, level, crate::fluent_generated::no_crate_example)
}
}
pub struct UntranslatableInAddToDiagnostic;
impl AddToDiagnostic for UntranslatableInAddToDiagnostic {
fn add_to_diagnostic_with<G: EmissionGuarantee, F: SubdiagnosticMessageOp<G>>(
self,
diag: &mut DiagnosticBuilder<'_, G>,
f: F,
) {
diag.note("untranslatable diagnostic");
//~^ ERROR diagnostics should be created using translatable messages
}
}
pub struct TranslatableInAddToDiagnostic;
impl AddToDiagnostic for TranslatableInAddToDiagnostic {
fn add_to_diagnostic_with<G: EmissionGuarantee, F: SubdiagnosticMessageOp<G>>(
self,
diag: &mut DiagnosticBuilder<'_, G>,
f: F,
) {
diag.note(crate::fluent_generated::no_crate_note);
}
}
pub fn make_diagnostics<'a>(dcx: &'a DiagCtxt) {
let _diag = dcx.struct_err(crate::fluent_generated::no_crate_example);
//~^ ERROR diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls
let _diag = dcx.struct_err("untranslatable diagnostic");
//~^ ERROR diagnostics should only be created in `IntoDiagnostic`/`AddToDiagnostic` impls
//~^^ ERROR diagnostics should be created using translatable messages
}
// Check that `rustc_lint_diagnostics`-annotated functions aren't themselves linted.
#[rustc_lint_diagnostics]
pub fn skipped_because_of_annotation<'a>(dcx: &'a DiagCtxt) {
let _diag = dcx.struct_err("untranslatable diagnostic"); // okay!
}