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| author | orbitalquark <70453897+orbitalquark@users.noreply.github.com> | 2024-09-12 19:56:24 -0400 |
|---|---|---|
| committer | Randy Palamar <randy@rnpnr.xyz> | 2025-01-04 12:20:19 -0700 |
| commit | c51b9e952d4565dcca259baaf30dd035a1ae9c11 (patch) | |
| tree | 03ffb233652f8a4bbd3c1031615be7ecdfd483ca /lua | |
| parent | 57aacac06814dd5d72421b6e5cd969f96a7cd061 (diff) | |
| download | vis-c51b9e952d4565dcca259baaf30dd035a1ae9c11.tar.gz vis-c51b9e952d4565dcca259baaf30dd035a1ae9c11.tar.xz | |
Add C23 attributes to C lexer
Based on contribution from Samuel Marquis.
Diffstat (limited to 'lua')
| -rw-r--r-- | lua/lexers/ansi_c.lua | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/lua/lexers/ansi_c.lua b/lua/lexers/ansi_c.lua index 61ab047..b9fa6f7 100644 --- a/lua/lexers/ansi_c.lua +++ b/lua/lexers/ansi_c.lua @@ -36,8 +36,9 @@ lex:add_rule('identifier', lex:tag(lexer.IDENTIFIER, lexer.word)) -- Comments. local line_comment = lexer.to_eol('//', true) +local ws = S(' \t')^0 local block_comment = lexer.range('/*', '*/') + - lexer.range('#if' * S(' \t')^0 * '0' * lexer.space, '#endif') + lexer.range('#if' * ws * '0' * lexer.space, '#endif') lex:add_rule('comment', lex:tag(lexer.COMMENT, line_comment + block_comment)) -- Numbers. @@ -46,11 +47,18 @@ local float = lexer.float * P('f')^-1 lex:add_rule('number', lex:tag(lexer.NUMBER, float + integer)) -- Preprocessor. -local include = lex:tag(lexer.PREPROCESSOR, '#' * S('\t ')^0 * 'include') * +local include = lex:tag(lexer.PREPROCESSOR, '#' * ws * 'include') * (lex:get_rule('whitespace') * lex:tag(lexer.STRING, lexer.range('<', '>', true)))^-1 -local preproc = lex:tag(lexer.PREPROCESSOR, '#' * S('\t ')^0 * lex:word_match(lexer.PREPROCESSOR)) +local preproc = lex:tag(lexer.PREPROCESSOR, '#' * ws * lex:word_match(lexer.PREPROCESSOR)) lex:add_rule('preprocessor', include + preproc) +-- Attributes. +local standard_attr = lex:word_match(lexer.ATTRIBUTE) +local non_standard_attr = lexer.word * '::' * lexer.word +local attr_args = lexer.range('(', ')') +local attr = (non_standard_attr + standard_attr) * attr_args^-1 +lex:add_rule('attribute', lex:tag(lexer.ATTRIBUTE, '[[' * attr * (ws * ',' * ws * attr)^0 * ']]')) + -- Operators. lex:add_rule('operator', lex:tag(lexer.OPERATOR, S('+-/*%<>~!=^&|?~:;,.()[]{}'))) @@ -194,6 +202,12 @@ lex:set_word_list(lexer.PREPROCESSOR, { 'undef' }) +lex:set_word_list(lexer.ATTRIBUTE, { + -- C23 + 'deprecated', 'fallthrough', 'nodiscard', 'maybe_unused', 'noreturn', '_Noreturn', 'unsequenced', + 'reproducible' +}) + lexer.property['scintillua.comment'] = '//' return lex |