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| author | Tim Chevalier <chevalier@alum.wellesley.edu> | 2011-03-24 10:37:05 -0700 |
|---|---|---|
| committer | Graydon Hoare <graydon@mozilla.com> | 2011-03-24 12:37:12 -0700 |
| commit | 2bd78c176dc638773c527d85160e284bcaf0a5b6 (patch) | |
| tree | 4d14ca5b85f3496e2395cdaef2025f3656ab8eef | |
| parent | c0f66a52404521ae159ce9e2778eefa5d27a58e0 (diff) | |
| download | rust-2bd78c176dc638773c527d85160e284bcaf0a5b6.tar.gz rust-2bd78c176dc638773c527d85160e284bcaf0a5b6.zip | |
Improve error message when the lexer sees a bad character
| -rw-r--r-- | src/boot/fe/lexer.mll | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/boot/fe/lexer.mll b/src/boot/fe/lexer.mll index 84aeb9ab114..b84e5906bb9 100644 --- a/src/boot/fe/lexer.mll +++ b/src/boot/fe/lexer.mll @@ -297,7 +297,8 @@ rule token = parse | '\'' { char lexbuf } | '"' { let buf = Buffer.create 32 in str buf lexbuf } - +| _ as c { let s = Char.escaped c in + fail lexbuf ("Bad character: " ^ s) } | eof { EOF } and str buf = parse |