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 23try: 24 # Python 3.x 25 import builtins 26except ImportError: 27 # Python 2.x 28 import __builtin__ as builtins 29 30 31if not hasattr(builtins, 'set'): 32 # Nominal support for Python 2.3. 33 from sets import Set as set 34 35 36TYPES = set('bool char int long short double float void wchar_t unsigned signed'.split()) 37TYPE_MODIFIERS = set('auto register const inline extern static virtual volatile mutable'.split()) 38ACCESS = set('public protected private friend'.split()) 39 40CASTS = set('static_cast const_cast dynamic_cast reinterpret_cast'.split()) 41 42OTHERS = set('true false asm class namespace using explicit this operator sizeof'.split()) 43OTHER_TYPES = set('new delete typedef struct union enum typeid typename template'.split()) 44 45CONTROL = set('case switch default if else return goto'.split()) 46EXCEPTION = set('try catch throw'.split()) 47LOOP = set('while do for break continue'.split()) 48 49ALL = TYPES | TYPE_MODIFIERS | ACCESS | CASTS | OTHERS | OTHER_TYPES | CONTROL | EXCEPTION | LOOP 50 51 52def IsKeyword(token): 53 return token in ALL 54 55def 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