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Fixed string parsing

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This commit is contained in:
greg 2017-12-03 17:47:17 -08:00
parent e9429ed62a
commit 766209e5b2
1 changed files with 9 additions and 11 deletions
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20
src/rukka_lang/mod.rs
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@ -107,20 +107,18 @@ fn tokenize(input: &mut Peekable<Chars>) -> Vec<Token> {
Some('\'') => tokens.push(Quote),
Some(c) if c.is_whitespace() => continue,
Some('"') => {
let string: String = input.scan(false, |seen_escape, cur_char| {
let ret = if cur_char == '"' && !*seen_escape {
None
} else {
Some(cur_char)
};
let string: String = input.scan(false, |escape, cur_char| {
let seen_escape = *escape;
*escape = cur_char == '\\' && !seen_escape;
if cur_char == '\\' {
*seen_escape = true;
if cur_char == '"' && !seen_escape {
None
} else if cur_char == '\\' && !seen_escape {
Some(None)
} else {
*seen_escape = false;
Some(Some(cur_char))
}
ret
}).collect();
}).filter_map(|x| x).collect();
tokens.push(StringLiteral(string));
}
Some(c) => {