From 519b7328b66c4c84f03893a31e4be5ba6b1395f2 Mon Sep 17 00:00:00 2001 From: mitchell Date: Sun, 11 Mar 2018 23:04:41 -0400 Subject: Added optional Lua lexer support. This support is disabled by default and must be enabled via compile-time option. --- lexlua/props.lua | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 lexlua/props.lua (limited to 'lexlua/props.lua') diff --git a/lexlua/props.lua b/lexlua/props.lua new file mode 100644 index 000000000..634a54031 --- /dev/null +++ b/lexlua/props.lua @@ -0,0 +1,33 @@ +-- Copyright 2006-2018 Mitchell mitchell.att.foicica.com. See License.txt. +-- Props LPeg lexer. + +local lexer = require('lexer') +local token, word_match = lexer.token, lexer.word_match +local P, R, S = lpeg.P, lpeg.R, lpeg.S + +local lex = lexer.new('props', {lex_by_line = true}) + +-- Whitespace. +lex:add_rule('whitespace', token(lexer.WHITESPACE, lexer.space^1)) + +-- Colors. +lex:add_rule('color', token('color', '#' * lexer.xdigit * lexer.xdigit * + lexer.xdigit * lexer.xdigit * + lexer.xdigit * lexer.xdigit)) +lex:add_style('color', lexer.STYLE_NUMBER) + +-- Comments. +lex:add_rule('comment', token(lexer.COMMENT, '#' * lexer.nonnewline^0)) + +-- Equals. +lex:add_rule('equals', token(lexer.OPERATOR, '=')) + +-- Strings. +lex:add_rule('string', token(lexer.STRING, lexer.delimited_range("'") + + lexer.delimited_range('"'))) + +-- Variables. +lex:add_rule('variable', token(lexer.VARIABLE, '$(' * (lexer.any - ')')^1 * + ')')) + +return lex -- cgit v1.2.3