Keep only base/extractor.[cc|h].

third_party/gmock/scripts/generator/cpp/keywords.py

-#!/usr/bin/env python
-#
-# Copyright 2007 Neal Norwitz
-# Portions Copyright 2007 Google Inc.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""C++ keywords and helper utilities for determining keywords."""
-
-__author__ = 'nnorwitz@google.com (Neal Norwitz)'
-
-
-try:
-    # Python 3.x
-    import builtins
-except ImportError:
-    # Python 2.x
-    import __builtin__ as builtins
-
-
-if not hasattr(builtins, 'set'):
-    # Nominal support for Python 2.3.
-    from sets import Set as set
-
-
-TYPES = set('bool char int long short double float void wchar_t unsigned signed'.split())
-TYPE_MODIFIERS = set('auto register const inline extern static virtual volatile mutable'.split())
-ACCESS = set('public protected private friend'.split())
-
-CASTS = set('static_cast const_cast dynamic_cast reinterpret_cast'.split())
-
-OTHERS = set('true false asm class namespace using explicit this operator sizeof'.split())
-OTHER_TYPES = set('new delete typedef struct union enum typeid typename template'.split())
-
-CONTROL = set('case switch default if else return goto'.split())
-EXCEPTION = set('try catch throw'.split())
-LOOP = set('while do for break continue'.split())
-
-ALL = TYPES | TYPE_MODIFIERS | ACCESS | CASTS | OTHERS | OTHER_TYPES | CONTROL | EXCEPTION | LOOP
-
-
-def IsKeyword(token):
-    return token in ALL
-
-def IsBuiltinType(token):
-    if token in ('virtual', 'inline'):
-        # These only apply to methods, they can't be types by themselves.
-        return False
-    return token in TYPES or token in TYPE_MODIFIERS