diff options
Diffstat (limited to 'src/parser.rs')
| -rw-r--r-- | src/parser.rs | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/parser.rs b/src/parser.rs index 7c991c4..abb4c5c 100644 --- a/src/parser.rs +++ b/src/parser.rs @@ -1,3 +1,4 @@ +use std::ascii::AsciiExt; use std::char; use std::collections::BTreeMap; use std::error::Error; @@ -385,8 +386,9 @@ impl<'a> Parser<'a> { Some((pos, c @ 'u')) | Some((pos, c @ 'U')) => { let len = if c == 'u' {4} else {8}; - let num = if me.input.is_char_boundary(pos + 1 + len) { - &me.input[pos + 1 .. pos + 1 + len] + let num = &me.input[pos+1..]; + let num = if num.len() >= len && num.is_ascii() { + &num[..len] } else { "invalid" }; @@ -614,7 +616,7 @@ impl<'a> Parser<'a> { lo: start, hi: next, desc: format!("unexpected character: `{}`", - rest.char_at(0)), + rest.chars().next().unwrap()), }); None } |