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Created NestedMetaItem::name_value_literal_span method

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This commit is contained in:
Guillaume Gomez 2020-11-28 16:11:25 +01:00
parent 0fa9d31c41
commit 7df0052df8
4 changed files with 22 additions and 9 deletions
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15
compiler/rustc_ast/src/attr/mod.rs
View file

@ -115,6 +115,10 @@ impl NestedMetaItem {
pub fn is_meta_item_list(&self) -> bool {
self.meta_item_list().is_some()
}
pub fn name_value_literal_span(&self) -> Option<Span> {
self.meta_item()?.name_value_literal_span()
}
}
impl Attribute {
@ -175,6 +179,13 @@ impl Attribute {
pub fn is_value_str(&self) -> bool {
self.value_str().is_some()
}
pub fn name_value_literal_span(&self) -> Option<Span> {
match self.kind {
AttrKind::Normal(ref item, _) => item.meta(self.span).and_then(|meta| meta.name_value_literal_span()),
AttrKind::DocComment(..) => None,
}
}
}
impl MetaItem {
@ -227,6 +238,10 @@ impl MetaItem {
pub fn is_value_str(&self) -> bool {
self.value_str().is_some()
}
pub fn name_value_literal_span(&self) -> Option<Span> {
Some(self.name_value_literal()?.span)
}
}
impl AttrItem {

2
compiler/rustc_attr/src/builtin.rs
View file

@ -294,7 +294,7 @@ where
or \"none\"",
)
.span_label(
mi.name_value_literal().unwrap().span,
mi.name_value_literal_span().unwrap(),
msg,
)
.emit();

11
compiler/rustc_expand/src/expand.rs
View file

@ -1603,23 +1603,22 @@ impl<'a, 'b> MutVisitor for InvocationCollector<'a, 'b> {
items.push(ast::NestedMetaItem::MetaItem(item));
}
Err(e) => {
let lit =
it.meta_item().and_then(|item| item.name_value_literal()).unwrap();
let lit_span = it.name_value_literal_span().unwrap();
if e.kind() == ErrorKind::InvalidData {
self.cx
.struct_span_err(
lit.span,
lit_span,
&format!("{} wasn't a utf-8 file", filename.display()),
)
.span_label(lit.span, "contains invalid utf-8")
.span_label(lit_span, "contains invalid utf-8")
.emit();
} else {
let mut err = self.cx.struct_span_err(
lit.span,
lit_span,
&format!("couldn't read {}: {}", filename.display(), e),
);
err.span_label(lit.span, "couldn't read file");
err.span_label(lit_span, "couldn't read file");
err.emit();
}

3
compiler/rustc_middle/src/middle/limits.rs
View file

@ -43,8 +43,7 @@ fn update_limit(
let value_span = attr
.meta()
.and_then(|meta| meta.name_value_literal().cloned())
.map(|lit| lit.span)
.and_then(|meta| meta.name_value_literal_span())
.unwrap_or(attr.span);
let error_str = match e.kind() {