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fix escaped literals

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This commit is contained in:
Brendan Hansknecht 2022-02-25 22:10:41 -08:00
parent ffee5ab97a
commit dfa6d30812
1 changed files with 8 additions and 3 deletions
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11
compiler/parse/src/string_literal.rs
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@ -59,9 +59,14 @@ pub fn parse_single_quote<'a>() -> impl Parser<'a, &'a str, EString<'a>> {
&& (state.bytes().first() == Some(&b'\''))
{
state = advance_state!(state, 1)?;
// since we checked the current char between the single quotes we
// know they are valid UTF-8, allowing us to use 'from_u32_unchecked'
let test = unsafe { char::from_u32_unchecked(ch as u32) };
let test = match ch {
b'n' => '\n',
b't' => '\t',
b'r' => '\r',
// since we checked the current char between the single quotes we
// know they are valid UTF-8, allowing us to use 'from_u32_unchecked'
_ => unsafe { char::from_u32_unchecked(ch as u32) },
};
return Ok((MadeProgress, &*arena.alloc_str(&test.to_string()), state));
}