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| author | Chris Morgan <me@chrismorgan.info> | 2014-06-18 19:58:04 +1000 |
|---|---|---|
| committer | Alex Crichton <alex@alexcrichton.com> | 2014-06-18 17:01:52 -0700 |
| commit | b0dff7a19142b7d52d80ed62a14c1a6cb07cb647 (patch) | |
| tree | defc5fbc7dbb653a3ab63d8dd268603fc5b974a1 /src/etc/vim/syntax/rust.vim | |
| parent | 31dfcf9dc1e449fbf084485a1dc196695cab680e (diff) | |
| download | rust-b0dff7a19142b7d52d80ed62a14c1a6cb07cb647.tar.gz rust-b0dff7a19142b7d52d80ed62a14c1a6cb07cb647.zip | |
Vim: highlight invalid characters in char literals.
Diffstat (limited to 'src/etc/vim/syntax/rust.vim')
| -rw-r--r-- | src/etc/vim/syntax/rust.vim | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/etc/vim/syntax/rust.vim b/src/etc/vim/syntax/rust.vim index b7901277ada..a0488cdb05a 100644 --- a/src/etc/vim/syntax/rust.vim +++ b/src/etc/vim/syntax/rust.vim @@ -179,8 +179,11 @@ syn region rustGenericLifetimeCandidate display start=/\%(<\|,\s*\)\@<='/ end=/[ "rustLifetime must appear before rustCharacter, or chars will get the lifetime highlighting syn match rustLifetime display "\'\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*" -syn match rustCharacter /b'\([^'\\]\|\\\(.\|x\x\{2}\)\)'/ contains=rustEscape,rustEscapeError -syn match rustCharacter /'\([^'\\]\|\\\(.\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'/ contains=rustEscape,rustEscapeUnicode,rustEscapeError +syn match rustCharacterInvalid display contained /b\?'\zs[\n\r\t']\ze'/ +" The groups negated here add up to 0-255 but nothing else (they do not seem to go beyond ASCII). +syn match rustCharacterInvalidUnicode display contained /b'\zs[^[:cntrl:][:graph:][:alnum:][:space:]]\ze'/ +syn match rustCharacter /b'\([^\\]\|\\\(.\|x\x\{2}\)\)'/ contains=rustEscape,rustEscapeError,rustCharacterInvalid,rustCharacterInvalidUnicode +syn match rustCharacter /'\([^\\]\|\\\(.\|x\x\{2}\|u\x\{4}\|U\x\{8}\)\)'/ contains=rustEscape,rustEscapeUnicode,rustEscapeError,rustCharacterInvalid syn region rustCommentLine start="//" end="$" contains=rustTodo,@Spell syn region rustCommentLineDoc start="//\%(//\@!\|!\)" end="$" contains=rustTodo,@Spell @@ -223,6 +226,8 @@ hi def link rustEscapeUnicode rustEscape hi def link rustEscapeError Error hi def link rustStringContinuation Special hi def link rustString String +hi def link rustCharacterInvalid Error +hi def link rustCharacterInvalidUnicode rustCharacterInvalid hi def link rustCharacter Character hi def link rustNumber Number hi def link rustBoolean Boolean |