diff options
Diffstat (limited to 'tvix/eval/src/value/string.rs')
| -rw-r--r-- | tvix/eval/src/value/string.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tvix/eval/src/value/string.rs b/tvix/eval/src/value/string.rs index 7144ca360d15..2649e00f0830 100644 --- a/tvix/eval/src/value/string.rs +++ b/tvix/eval/src/value/string.rs @@ -193,7 +193,7 @@ fn is_valid_nix_identifier(s: &str) -> bool { /// /// Note that this does not add the outer pair of surrounding quotes. fn nix_escape_string(input: &str) -> Cow<str> { - let mut iter = input.chars().enumerate().peekable(); + let mut iter = input.char_indices().peekable(); while let Some((i, c)) = iter.next() { if let Some(esc) = nix_escape_char(c, iter.peek().map(|(_, c)| c)) { @@ -201,6 +201,10 @@ fn nix_escape_string(input: &str) -> Cow<str> { escaped.push_str(&input[..i]); escaped.push_str(esc); + // In theory we calculate how many bytes it takes to represent `esc` + // in UTF-8 and use that for the offset. It is, however, safe to + // assume that to be 1, as all characters that can be escaped in a + // Nix string are ASCII. let mut inner_iter = input[i + 1..].chars().peekable(); while let Some(c) = inner_iter.next() { match nix_escape_char(c, inner_iter.peek()) { |