bjoernager/rust
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migrate rustc_hir_analysis to session diagnostic

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part two
files list:
rustc_hir_analysis/variance/*
rustc_hir_analysis/missing_cast_for_variadic_arg.rs
rustc_hir_analysis/sized_unsized_cast.rs
This commit is contained in:
Obei Sideg 2023-02-25 20:26:48 +03:00
parent b1719530f4
commit 44eb974b23
5 changed files with 68 additions and 28 deletions
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7
compiler/rustc_hir_analysis/src/variance/test.rs
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@ -1,6 +1,8 @@
use rustc_middle::ty::TyCtxt;
use rustc_span::symbol::sym;
use crate::errors;
pub fn test_variance(tcx: TyCtxt<'_>) {
// For unit testing: check for a special "rustc_variance"
// attribute and report an error with various results if found.
@ -8,7 +10,10 @@ pub fn test_variance(tcx: TyCtxt<'_>) {
if tcx.has_attr(id.owner_id.to_def_id(), sym::rustc_variance) {
let variances_of = tcx.variances_of(id.owner_id);
tcx.sess.struct_span_err(tcx.def_span(id.owner_id), format!("{variances_of:?}")).emit();
tcx.sess.emit_err(errors::VariancesOf {
span: tcx.def_span(id.owner_id),
variances_of: format!("{variances_of:?}"),
});
}
}
}