mikros/rust
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Identify impossible cases in ascii_escapes_should_be_ascii.

Browse Source 
Raw strings (of all kinds) don't support escapes, so this function
should never be called on them.
This commit is contained in:
Nicholas Nethercote 2023-12-06 20:37:02 +11:00
parent 856b55fb34
commit e290582abf
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
compiler/rustc_lexer/src/unescape.rs
View File

@ -169,8 +169,9 @@ pub fn in_double_quotes(self) -> bool {
/// Non-byte literals should have `\xXX` escapes that are within the ASCII range.
fn ascii_escapes_should_be_ascii(self) -> bool {
match self {
Mode::Char | Mode::Str | Mode::RawStr => true,
Mode::Byte | Mode::ByteStr | Mode::RawByteStr | Mode::CStr | Mode::RawCStr => false,
Mode::Char | Mode::Str => true,
Mode::Byte | Mode::ByteStr | Mode::CStr => false,
Mode::RawStr | Mode::RawByteStr | Mode::RawCStr => unreachable!(),
}
}