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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 |