File: lex.py

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# ScummVM - Graphic Adventure Engine
#
# ScummVM is the legal property of its developers, whose names
# are too numerous to list here. Please refer to the COPYRIGHT
# file distributed with this source distribution.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

def parse_args(text):
	#print "parsing: [%s]" %text
	escape = False
	string = False
	result = []
	token = str()
	value = 0;
	for c in text:
		#print "[%s]%s: %s: %s" %(token, c, escape, string)
		if c == '\\':
			escape = True
			continue

		if escape:
			if not string:
				raise SyntaxError("escape found in no string: %s" %text);

			#print "escaping[%s]" %c
			escape = False
			token += c
			continue

		if string:
			if c == '\'' or c == '"':
				string = False

			token += c
			continue

		if c == '\'' or c == '"':
			string = True
			token += c
			continue

		if c == ',':
			result.append(token.strip())
			token = str()
			continue

		if c == ';': #comment, bailing out
			break

		token += c
	#token = token.strip()
	if len(token):
		result.append(token)
	#print result
	return result

def compile(width, data):
	print data
	return data