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-- Copyright 2006-2015 Mitchell mitchell.att.foicica.com. See LICENSE.
-- Props 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 M = {_NAME = 'props'}
-- Whitespace.
local ws = token(l.WHITESPACE, l.space^1)
-- Comments.
local comment = token(l.COMMENT, '#' * l.nonnewline^0)
-- Equals.
local equals = token(l.OPERATOR, '=')
-- Strings.
local sq_str = l.delimited_range("'")
local dq_str = l.delimited_range('"')
local string = token(l.STRING, sq_str + dq_str)
-- Variables.
local variable = token(l.VARIABLE, '$(' * (l.any - ')')^1 * ')')
-- Colors.
local xdigit = l.xdigit
local color = token('color', '#' * xdigit * xdigit * xdigit * xdigit * xdigit *
xdigit)
M._rules = {
{'whitespace', ws},
{'color', color},
{'comment', comment},
{'equals', equals},
{'string', string},
{'variable', variable},
}
M._tokenstyles = {
color = l.STYLE_NUMBER
}
M._LEXBYLINE = true
return M
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