bjoernager/rust
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Add filtering options to rustc_on_unimplemented

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- filter error on the evaluated value of `Self`
 - filter error on the evaluated value of the type arguments
 - add argument to include custom note in diagnostic
 - allow the parser to parse `Self` when processing attributes
 - add custom message to binops
This commit is contained in:
Esteban Küber 2018-01-19 19:57:10 -08:00
parent 56733bc9f8
commit c1383e4dc4
40 changed files with 312 additions and 403 deletions
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16
src/libsyntax/parse/parser.rs
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@ -762,13 +762,19 @@ impl<'a> Parser<'a> {
}
pub fn parse_ident(&mut self) -> PResult<'a, ast::Ident> {
self.parse_ident_common(true)
self.parse_ident_common(true, false)
}
fn parse_ident_common(&mut self, recover: bool) -> PResult<'a, ast::Ident> {
pub fn parse_ident_attr(&mut self) -> PResult<'a, ast::Ident> {
self.parse_ident_common(true, true)
}
fn parse_ident_common(&mut self, recover: bool, accept_self: bool) -> PResult<'a, ast::Ident> {
match self.token {
token::Ident(i) => {
if self.token.is_reserved_ident() {
if self.token.is_reserved_ident()
&& !(accept_self && i.name == keywords::SelfType.name())
{
let mut err = self.struct_span_err(self.span,
&format!("expected identifier, found {}",
self.this_token_descr()));
@ -2111,7 +2117,7 @@ impl<'a> Parser<'a> {
self.bump();
Ok(Ident::with_empty_ctxt(name))
} else {
self.parse_ident_common(false)
self.parse_ident_common(false, false)
}
}
@ -2128,7 +2134,7 @@ impl<'a> Parser<'a> {
hi = self.prev_span;
(fieldname, self.parse_expr()?, false)
} else {
let fieldname = self.parse_ident_common(false)?;
let fieldname = self.parse_ident_common(false, false)?;
hi = self.prev_span;
// Mimic `x: x` for the `x` field shorthand.