diff options
Diffstat (limited to 'lua/lexers/gtkrc.lua')
| -rw-r--r-- | lua/lexers/gtkrc.lua | 85 |
1 files changed, 33 insertions, 52 deletions
diff --git a/lua/lexers/gtkrc.lua b/lua/lexers/gtkrc.lua index bedc764..0dcbbd0 100644 --- a/lua/lexers/gtkrc.lua +++ b/lua/lexers/gtkrc.lua @@ -1,71 +1,52 @@ --- Copyright 2006-2017 Mitchell mitchell.att.foicica.com. See LICENSE. +-- Copyright 2006-2022 Mitchell. See LICENSE. -- Gtkrc LPeg lexer. -local l = require('lexer') -local token, word_match = l.token, l.word_match -local P, R, S = lpeg.P, lpeg.R, lpeg.S +local lexer = require('lexer') +local token, word_match = lexer.token, lexer.word_match +local P, S = lpeg.P, lpeg.S -local M = {_NAME = 'gtkrc'} +local lex = lexer.new('gtkrc') -- Whitespace. -local ws = token(l.WHITESPACE, l.space^1) - --- Comments. -local comment = token(l.COMMENT, '#' * l.nonnewline^0) - --- Strings. -local sq_str = l.delimited_range("'", true) -local dq_str = l.delimited_range('"', true) -local string = token(l.STRING, sq_str + dq_str) - --- Numbers. -local number = token(l.NUMBER, l.digit^1 * ('.' * l.digit^1)^-1) +lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1)) -- Keywords. -local keyword = token(l.KEYWORD, word_match{ - 'binding', 'class', 'include', 'module_path', 'pixmap_path', 'im_module_file', - 'style', 'widget', 'widget_class' -}) +lex:add_rule('keyword', token(lexer.KEYWORD, word_match( + 'binding class include module_path pixmap_path im_module_file style widget widget_class'))) -- Variables. -local variable = token(l.VARIABLE, word_match{ - 'bg', 'fg', 'base', 'text', 'xthickness', 'ythickness', 'bg_pixmap', 'font', - 'fontset', 'font_name', 'stock', 'color', 'engine' -}) +lex:add_rule('variable', token(lexer.VARIABLE, word_match{ + 'bg', 'fg', 'base', 'text', 'xthickness', 'ythickness', 'bg_pixmap', 'font', 'fontset', + 'font_name', 'stock', 'color', 'engine' +})) -- States. -local state = token(l.CONSTANT, word_match{ - 'ACTIVE', 'SELECTED', 'NORMAL', 'PRELIGHT', 'INSENSITIVE', 'TRUE', 'FALSE' -}) +lex:add_rule('state', + token('state', word_match('ACTIVE SELECTED NORMAL PRELIGHT INSENSITIVE TRUE FALSE'))) +lex:add_style('state', lexer.styles.constant) -- Functions. -local func = token(l.FUNCTION, word_match{ - 'mix', 'shade', 'lighter', 'darker' -}) +lex:add_rule('function', token(lexer.FUNCTION, word_match('mix shade lighter darker'))) -- Identifiers. -local identifier = token(l.IDENTIFIER, l.alpha * (l.alnum + S('_-'))^0) +lex:add_rule('identifier', token(lexer.IDENTIFIER, lexer.alpha * (lexer.alnum + S('_-'))^0)) --- Operators. -local operator = token(l.OPERATOR, S(':=,*()[]{}')) +-- Strings. +local sq_str = lexer.range("'", true) +local dq_str = lexer.range('"', true) +lex:add_rule('string', token(lexer.STRING, sq_str + dq_str)) + +-- Comments. +lex:add_rule('comment', token(lexer.COMMENT, lexer.to_eol('#'))) -M._rules = { - {'whitespace', ws}, - {'keyword', keyword}, - {'variable', variable}, - {'state', state}, - {'function', func}, - {'identifier', identifier}, - {'string', string}, - {'comment', comment}, - {'number', number}, - {'operator', operator}, -} +-- Numbers. +lex:add_rule('number', token(lexer.NUMBER, lexer.digit^1 * ('.' * lexer.digit^1)^-1)) + +-- Operators. +lex:add_rule('operator', token(lexer.OPERATOR, S(':=,*()[]{}'))) -M._foldsymbols = { - _patterns = {'[{}]', '#'}, - [l.OPERATOR] = {['{'] = 1, ['}'] = -1}, - [l.COMMENT] = {['#'] = l.fold_line_comments('#')} -} +-- Fold points. +lex:add_fold_point(lexer.OPERATOR, '{', '}') +lex:add_fold_point(lexer.COMMENT, lexer.fold_consecutive_lines('#')) -return M +return lex |
