rustc: Remove unused Session
argument from some attribute functions
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9bdb4881c7
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37 changed files with 173 additions and 299 deletions
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@ -180,6 +180,12 @@ impl Attribute {
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self.doc_str().map_or(false, |s| comments::may_have_doc_links(s.as_str()))
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}
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pub fn is_proc_macro_attr(&self) -> bool {
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[sym::proc_macro, sym::proc_macro_attribute, sym::proc_macro_derive]
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.iter()
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.any(|kind| self.has_name(*kind))
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}
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/// Extracts the MetaItem from inside this Attribute.
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pub fn meta(&self) -> Option<MetaItem> {
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match &self.kind {
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@ -627,6 +633,22 @@ pub fn mk_attr_name_value_str(
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mk_attr(g, style, path, args, span)
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}
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pub fn filter_by_name(attrs: &[Attribute], name: Symbol) -> impl Iterator<Item = &Attribute> {
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attrs.iter().filter(move |attr| attr.has_name(name))
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}
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pub fn find_by_name(attrs: &[Attribute], name: Symbol) -> Option<&Attribute> {
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filter_by_name(attrs, name).next()
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}
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pub fn first_attr_value_str_by_name(attrs: &[Attribute], name: Symbol) -> Option<Symbol> {
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find_by_name(attrs, name).and_then(|attr| attr.value_str())
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}
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pub fn contains_name(attrs: &[Attribute], name: Symbol) -> bool {
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find_by_name(attrs, name).is_some()
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}
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pub fn list_contains_name(items: &[NestedMetaItem], name: Symbol) -> bool {
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items.iter().any(|item| item.has_name(name))
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}
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