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Address review comments.

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This commit is contained in:
Mazdak Farrokhzad 2019-07-31 21:25:11 +02:00
parent f3a3290ba3
commit 6551285cca
2 changed files with 4 additions and 8 deletions
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8
src/libsyntax/parse/parser.rs
View file

@ -143,6 +143,7 @@ macro_rules! maybe_whole_expr {
$p.token.span, ExprKind::Block(block, None), ThinVec::new()
));
}
// N.B: `NtIdent(ident)` is normalized to `Ident` in `fn bump`.
_ => {},
};
}
@ -2781,12 +2782,7 @@ impl<'a> Parser<'a> {
// can't continue an expression after an ident
token::Ident(name, is_raw) => token::ident_can_begin_expr(name, t.span, is_raw),
token::Literal(..) | token::Pound => true,
token::Interpolated(ref nt) => match **nt {
token::NtIdent(..) | token::NtExpr(..) |
token::NtBlock(..) | token::NtPath(..) => true,
_ => false,
},
_ => false
_ => t.is_whole_expr(),
};
let cannot_continue_expr = self.look_ahead(1, token_cannot_continue_expr);
if cannot_continue_expr {

4
src/libsyntax/parse/token.rs
View file

@ -478,10 +478,10 @@ impl Token {
/// Would `maybe_whole_expr` in `parser.rs` return `Ok(..)`?
/// That is, is this a pre-parsed expression dropped into the token stream
/// (which happens while parsing the result ofmacro expansion)?
/// (which happens while parsing the result of macro expansion)?
crate fn is_whole_expr(&self) -> bool {
if let Interpolated(ref nt) = self.kind {
if let NtExpr(_) | NtLiteral(_) | NtPath(_) | NtBlock(_) = **nt {
if let NtExpr(_) | NtLiteral(_) | NtPath(_) | NtIdent(..) | NtBlock(_) = **nt {
return true;
}
}