blob: f615c77fba4863931f2bf903bd1223164095910b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
# Copyright (c) 2013 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
""" Lexer for PPAPI IDL
The lexer uses the PLY library to build a tokenizer which understands both
WebIDL and Pepper tokens.
WebIDL, and WebIDL regular expressions can be found at:
http://www.w3.org/TR/2012/CR-WebIDL-20120419/
PLY can be found at:
http://www.dabeaz.com/ply/
"""
from idl_lexer import IDLLexer
import optparse
import os.path
import sys
#
# IDL PPAPI Lexer
#
class IDLPPAPILexer(IDLLexer):
# Special multi-character operators
def t_LSHIFT(self, t):
r'<<'
return t;
def t_RSHIFT(self, t):
r'>>'
return t;
def t_INLINE(self, t):
r'\#inline (.|\n)*?\#endinl.*'
self.AddLines(t.value.count('\n'))
return t
# Return a "preprocessor" inline block
def __init__(self):
IDLLexer.__init__(self)
self._AddTokens(['LSHIFT', 'RSHIFT', 'INLINE'])
self._AddKeywords(['label', 'namespace', 'struct'])
# If run by itself, attempt to build the lexer
if __name__ == '__main__':
lexer = IDLPPAPILexer()
|
