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 (at] 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 60
