bjoernager/rust
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Rename 'bad prefix' to 'unknown prefix'.

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Mara Bos 2021-06-14 16:50:20 +00:00 • committed by lrh2000
parent d40be0fc64
commit 0eeeebc990
3 changed files with 14 additions and 14 deletions
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16
compiler/rustc_lexer/src/lib.rs
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@ -72,7 +72,7 @@ pub enum TokenKind {
/// prefixes are reported as errors; in earlier editions, they result in a
/// (allowed by default) lint, and are treated as regular identifier
/// tokens.
BadPrefix,
UnknownPrefix,
/// "12_u8", "1.0e-40", "b"123"". See `LiteralKind` for more details.
Literal { kind: LiteralKind, suffix_start: usize },
/// "'a"
@ -330,7 +330,7 @@ impl Cursor<'_> {
let kind = RawStr { n_hashes, err };
Literal { kind, suffix_start }
}
_ => self.ident_or_bad_prefix(),
_ => self.ident_or_unknown_prefix(),
},
// Byte literal, byte string literal, raw byte string literal or identifier.
@ -365,12 +365,12 @@ impl Cursor<'_> {
let kind = RawByteStr { n_hashes, err };
Literal { kind, suffix_start }
}
_ => self.ident_or_bad_prefix(),
_ => self.ident_or_unknown_prefix(),
},
// Identifier (this should be checked after other variant that can
// start as identifier).
c if is_id_start(c) => self.ident_or_bad_prefix(),
c if is_id_start(c) => self.ident_or_unknown_prefix(),
// Numeric literal.
c @ '0'..='9' => {
@ -494,14 +494,14 @@ impl Cursor<'_> {
RawIdent
}
fn ident_or_bad_prefix(&mut self) -> TokenKind {
fn ident_or_unknown_prefix(&mut self) -> TokenKind {
debug_assert!(is_id_start(self.prev()));
// Start is already eaten, eat the rest of identifier.
self.eat_while(is_id_continue);
// Good prefixes must have been handled earlier. So if
// we see a prefix here, it is definitely a bad prefix.
// Known prefixes must have been handled earlier. So if
// we see a prefix here, it is definitely a unknown prefix.
match self.first() {
'#' | '"' | '\'' => BadPrefix,
'#' | '"' | '\'' => UnknownPrefix,
_ => Ident,
}
}