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syntax: Introduce Ident::can_be_raw

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This commit is contained in:
Vadim Petrochenkov 2019-02-27 22:06:26 +03:00
parent 5cb5083909
commit 6ad55b3dec
10 changed files with 33 additions and 36 deletions
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8
src/libsyntax_ext/proc_macro_server.rs
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@ -340,12 +340,8 @@ impl Ident {
if !Self::is_valid(string) {
panic!("`{:?}` is not a valid identifier", string)
}
if is_raw {
let normalized_sym = Symbol::intern(string);
if normalized_sym == keywords::Underscore.name() ||
ast::Ident::with_empty_ctxt(normalized_sym).is_path_segment_keyword() {
panic!("`{:?}` is not a valid raw identifier", string)
}
if is_raw && !ast::Ident::from_str(string).can_be_raw() {
panic!("`{}` cannot be a raw identifier", string);
}
Ident { sym, is_raw, span }
}