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Support the #[expect] attribute on fn parameters (RFC-2383)

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xFrednet 2022-06-04 00:04:19 +02:00
parent 7e9b92cb43
commit b5eee17088
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8 changed files with 78 additions and 45 deletions
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12
compiler/rustc_ast_passes/src/ast_validation.rs
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@ -420,7 +420,15 @@ impl<'a> AstValidator<'a> {
.iter()
.flat_map(|i| i.attrs.as_ref())
.filter(|attr| {
let arr = [sym::allow, sym::cfg, sym::cfg_attr, sym::deny, sym::forbid, sym::warn];
let arr = [
sym::allow,
sym::cfg,
sym::cfg_attr,
sym::deny,
sym::expect,
sym::forbid,
sym::warn,
];
!arr.contains(&attr.name_or_empty()) && rustc_attr::is_builtin_attr(attr)
})
.for_each(|attr| {
@ -435,7 +443,7 @@ impl<'a> AstValidator<'a> {
} else {
self.err_handler().span_err(
attr.span,
"allow, cfg, cfg_attr, deny, \
"allow, cfg, cfg_attr, deny, expect, \
forbid, and warn are the only allowed built-in attributes in function parameters",
);
}