bjoernager/rust
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Suggest using integration tests for proc-macros

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This commit is contained in:
clubby789 2023-04-12 21:45:21 +01:00
parent 0d7ed3ba84
commit f7581d8d21
5 changed files with 43 additions and 5 deletions
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9
compiler/rustc_resolve/src/errors.rs
View file

@ -508,3 +508,12 @@ pub(crate) struct RemoveSurroundingDerive {
pub(crate) struct AddAsNonDerive<'a> {
pub(crate) macro_path: &'a str,
}
#[derive(Diagnostic)]
#[diag(resolve_proc_macro_same_crate)]
pub(crate) struct ProcMacroSameCrate {
#[primary_span]
pub(crate) span: Span,
#[help]
pub(crate) is_test: bool,
}

10
compiler/rustc_resolve/src/macros.rs
View file

@ -1,7 +1,7 @@
//! A bunch of methods and structures more or less related to resolving macros and
//! interface provided by `Resolver` to macro expander.
use crate::errors::{AddAsNonDerive, MacroExpectedFound, RemoveSurroundingDerive};
use crate::errors::{self, AddAsNonDerive, MacroExpectedFound, RemoveSurroundingDerive};
use crate::Namespace::*;
use crate::{BuiltinMacroState, Determinacy};
use crate::{DeriveData, Finalize, ParentScope, ResolutionError, Resolver, ScopeSet};
@ -513,10 +513,10 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
if let Some(def_id) = def_id.as_local() {
self.unused_macros.remove(&def_id);
if self.proc_macro_stubs.contains(&def_id) {
self.tcx.sess.span_err(
path.span,
"can't use a procedural macro from the same crate that defines it",
);
self.tcx.sess.emit_err(errors::ProcMacroSameCrate {
span: path.span,
is_test: self.tcx.sess.is_test_crate(),
});
}
}
}