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1 #!/usr/bin/env python | |
2 # | |
3 # Copyright 2007 Neal Norwitz | |
4 # Portions Copyright 2007 Google Inc. | |
5 # | |
6 # Licensed under the Apache License, Version 2.0 (the "License"); | |
7 # you may not use this file except in compliance with the License. | |
8 # You may obtain a copy of the License at | |
9 # | |
10 # http://www.apache.org/licenses/LICENSE-2.0 | |
11 # | |
12 # Unless required by applicable law or agreed to in writing, software | |
13 # distributed under the License is distributed on an "AS IS" BASIS, | |
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 # See the License for the specific language governing permissions and | |
16 # limitations under the License. | |
17 | |
18 """C++ keywords and helper utilities for determining keywords.""" | |
19 | |
20 __author__ = 'nnorwitz@google.com (Neal Norwitz)' | |
21 | |
22 | |
23 try: | |
24 # Python 3.x | |
25 import builtins | |
26 except ImportError: | |
27 # Python 2.x | |
28 import __builtin__ as builtins | |
29 | |
30 | |
31 if not hasattr(builtins, 'set'): | |
32 # Nominal support for Python 2.3. | |
33 from sets import Set as set | |
34 | |
35 | |
36 TYPES = set('bool char int long short double float void wchar_t unsigned signed'
.split()) | |
37 TYPE_MODIFIERS = set('auto register const inline extern static virtual volatile
mutable'.split()) | |
38 ACCESS = set('public protected private friend'.split()) | |
39 | |
40 CASTS = set('static_cast const_cast dynamic_cast reinterpret_cast'.split()) | |
41 | |
42 OTHERS = set('true false asm class namespace using explicit this operator sizeof
'.split()) | |
43 OTHER_TYPES = set('new delete typedef struct union enum typeid typename template
'.split()) | |
44 | |
45 CONTROL = set('case switch default if else return goto'.split()) | |
46 EXCEPTION = set('try catch throw'.split()) | |
47 LOOP = set('while do for break continue'.split()) | |
48 | |
49 ALL = TYPES | TYPE_MODIFIERS | ACCESS | CASTS | OTHERS | OTHER_TYPES | CONTROL |
EXCEPTION | LOOP | |
50 | |
51 | |
52 def IsKeyword(token): | |
53 return token in ALL | |
54 | |
55 def IsBuiltinType(token): | |
56 if token in ('virtual', 'inline'): | |
57 # These only apply to methods, they can't be types by themselves. | |
58 return False | |
59 return token in TYPES or token in TYPE_MODIFIERS | |
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