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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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