diff options
Diffstat (limited to 'lua/lexers')
| -rw-r--r-- | lua/lexers/lexer.lua | 1 | ||||
| -rw-r--r-- | lua/lexers/nix.lua | 102 |
2 files changed, 103 insertions, 0 deletions
diff --git a/lua/lexers/lexer.lua b/lua/lexers/lexer.lua index 357f926..f14cf03 100644 --- a/lua/lexers/lexer.lua +++ b/lua/lexers/lexer.lua @@ -1680,6 +1680,7 @@ function M.detect(filename, line) n = 'nemerle', -- link = 'networkd', network = 'networkd', netdev = 'networkd', -- nim = 'nim', -- + nix = 'nix', -- nsh = 'nsis', nsi = 'nsis', nsis = 'nsis', -- obs = 'objeck', -- m = 'objective_c', mm = 'objective_c', objc = 'objective_c', -- diff --git a/lua/lexers/nix.lua b/lua/lexers/nix.lua new file mode 100644 index 0000000..517fc56 --- /dev/null +++ b/lua/lexers/nix.lua @@ -0,0 +1,102 @@ +-- Copyright 2006-2024 Mitchell. See LICENSE. +-- Nix LPeg lexer. +-- Written by Samuel Marquis. + +local lexer = lexer +local P, S = lpeg.P, lpeg.S + +local lex = lexer.new(...) + +-- Keywords. +lex:add_rule('keyword', lex:tag(lexer.KEYWORD, lex:word_match(lexer.KEYWORD))) + +-- Functions. +lex:add_rule('function', lex:tag(lexer.FUNCTION_BUILTIN, lex:word_match(lexer.FUNCTION_BUILTIN))) + +-- Constants. +lex:add_rule('constant', lex:tag(lexer.CONSTANT_BUILTIN, lex:word_match(lexer.CONSTANT_BUILTIN))) + +-- Strings. +local str = lexer.range('"', true) +local ml_str = lexer.range("''", false) +lex:add_rule('string', lex:tag(lexer.STRING, str + ml_str)) + +-- Paths. +local path_char = lexer.alnum + S('_-.+') +local path_seg = ('/' * path_char^1) +local path = P('~')^-1 * path_char^0 * path_seg^1 * P('/')^-1 +lex:add_rule('path', lex:tag(lexer.LINK, path)) + +-- URIs. +local uri_char = lexer.alnum + S("%/?:@&=+$,-_.!~*'") +local uri = lexer.alpha * (lexer.alnum + S('+-.'))^0 * ':' * uri_char^1 +lex:add_rule('uri', lex:tag(lexer.LINK, uri)) + +-- Angle-bracket paths. +local spath = '<' * path_char^1 * path_seg^0 * '>' +lex:add_rule('spath', lex:tag(lexer.LINK, spath)) + +-- Identifiers. +local id = (lexer.alpha + '_') * (lexer.alnum + S('_-'))^0 +lex:add_rule('identifier', lex:tag(lexer.IDENTIFIER, id)) + +-- Comments. +local line_comment = lexer.to_eol('#', true) +local block_comment = lexer.range('/*', '*/') +lex:add_rule('comment', lex:tag(lexer.COMMENT, line_comment + block_comment)) + +-- Numbers. +lex:add_rule('number', lex:tag(lexer.NUMBER, lexer.number)) + +-- Operators. +local l_ops = P('&&') + '||' + '->' + '//' + '++' +local s_ops = S('?+-.*/!<>=,;:()[]{}') +lex:add_rule('operator', lex:tag(lexer.OPERATOR, l_ops + s_ops)) + +-- Fold points. +lex:add_fold_point(lexer.OPERATOR, '(', ')') +lex:add_fold_point(lexer.OPERATOR, '[', ']') +lex:add_fold_point(lexer.OPERATOR, '{', '}') +lex:add_fold_point(lexer.COMMENT, '/*', '*/') + +-- Word lists. +lex:set_word_list(lexer.KEYWORD, { + 'if', 'then', 'else', 'assert', 'with', 'let', 'in', 'rec', 'inherit', 'or', '...' +}) + +lex:set_word_list(lexer.CONSTANT_BUILTIN, { + 'builtins', 'true', 'false', 'null', -- + 'builtins.currentSystem', 'builtins.currentTime', 'builtins.langVersion', 'builtins.nixPath', + 'builtins.nixVersion', 'builtins.storeDir' +}) + +lex:set_word_list(lexer.FUNCTION_BUILTIN, { + 'derivation', 'import', 'abort', 'throw', -- + 'builtins.add', 'builtins.all', 'builtins.any', 'builtins.attrNames', 'builtins.attrValues', + 'builtins.baseNameOf', 'builtins.bitAnd', 'builtins.bitOr', 'builtins.bitXor', 'builtins.break', + 'builtins.catAttrs', 'builtins.ceil', 'builtins.compareVersions', 'builtins.concatLists', + 'builtins.concatMap', 'builtins.concatStringsSep', 'builtins.deepSeq', 'builtins.dirOf', + 'builtins.div', 'builtins.elem', 'builtins.elemAt', 'builtins.fetchClosure', 'builtins.fetchGit', + 'builtins.fetchTarball', 'builtins.fetchurl', 'builtins.filter', 'builtins.filterSource', + 'builtins.findFile', 'builtins.flakeRefToString', 'builtins.floor', "builtins.foldl'", + 'builtins.fromJSON', 'builtins.fromTOML', 'builtins.functionArgs', 'builtins.genList', + 'builtins.genericClosure', 'builtins.getAttr', 'builtins.getContext', 'builtins.getEnv', + 'builtins.getFlake', 'builtins.groupBy', 'builtins.hasAttr', 'builtins.hasContext', + 'builtins.hashFile', 'builtins.hashString', 'builtins.head', 'builtins.import', + 'builtins.intersectAttrs', 'builtins.isAttrs', 'builtins.isBool', 'builtins.isFloat', + 'builtins.isFunction', 'builtins.isInt', 'builtins.isList', 'builtins.isNull', 'builtins.isPath', + 'builtins.isString', 'builtins.length', 'builtins.lessThan', 'builtins.listToAttrs', + 'builtins.map', 'builtins.mapAttrs', 'builtins.match', 'builtins.mul', 'builtins.outputOf', + 'builtins.parseDrvName', 'builtins.parseFlakeRef', 'builtins.partition', 'builtins.path', + 'builtins.pathExists', 'builtins.placeholder', 'builtins.readDir', 'builtins.readFile', + 'builtins.readFileType', 'builtins.removeAttrs', 'builtins.replaceStrings', 'builtins.seq', + 'builtins.sort', 'builtins.split', 'builtins.splitVersion', 'builtins.storePath', + 'builtins.stringLength', 'builtins.sub', 'builtins.substring', 'builtins.tail', 'builtins.throw', + 'builtins.toFile', 'builtins.toJSON', 'builtins.toPath', 'builtins.toString', 'builtins.toXML', + 'builtins.trace', 'builtins.traceVerbose', 'builtins.tryEval', 'builtins.typeOf', + 'builtins.zipAttrsWith' +}) + +lexer.property['scintillua.comment'] = '#' + +return lex |