bjoernager/rust
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Simplify an error handling in the parser

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This commit is contained in:
Seiichi Uchida 2018-06-09 17:36:44 +09:00
parent 78a19d9b88
commit 699be41809
1 changed files with 2 additions and 6 deletions
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8
src/libsyntax/parse/parser.rs
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@ -4886,6 +4886,8 @@ impl<'a> Parser<'a> {
bounds.push(RegionTyParamBound(self.expect_lifetime())); bounds.push(RegionTyParamBound(self.expect_lifetime()));
if has_parens { if has_parens {
self.expect(&token::CloseDelim(token::Paren))?; self.expect(&token::CloseDelim(token::Paren))?;
self.span_err(self.prev_span,
"parenthesized lifetime bounds are not supported");
} }
} else { } else {
let lifetime_defs = self.parse_late_bound_lifetime_defs()?; let lifetime_defs = self.parse_late_bound_lifetime_defs()?;
@ -4901,12 +4903,6 @@ impl<'a> Parser<'a> {
}; };
bounds.push(TraitTyParamBound(poly_trait, modifier)); bounds.push(TraitTyParamBound(poly_trait, modifier));
} }
if has_parens {
if let Some(&RegionTyParamBound(..)) = bounds.last() {
self.span_err(self.prev_span,
"parenthesized lifetime bounds are not supported");
}
}
} else { } else {
break break
} }