ceph/src/googletest/googlemock/scripts/generator/cpp/keywords.py

   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