17cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines/*
27cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * Copyright 2012, The Android Open Source Project
37cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines *
47cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * Licensed under the Apache License, Version 2.0 (the "License");
57cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * you may not use this file except in compliance with the License.
67cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * You may obtain a copy of the License at
77cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines *
87cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines *     http://www.apache.org/licenses/LICENSE-2.0
97cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines *
107cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * Unless required by applicable law or agreed to in writing, software
117cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * distributed under the License is distributed on an "AS IS" BASIS,
127cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
137cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * See the License for the specific language governing permissions and
147cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines * limitations under the License.
157cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines */
167cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines
177cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// Define support macros for defining classes, etc.
187cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines
197cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines#ifndef LLVM_SUPPORT_SUPPORT_MACROS_H__
207cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines#define LLVM_SUPPORT_SUPPORT_MACROS_H__
217cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines
227cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// Define macro, to use within a class declaration,  to disallow constructor
237cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// copy. Defines copy constructor declaration under the assumption that it
247cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// is never defined.
257cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines#define DISALLOW_CLASS_COPY(class_name) \
267cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines  class_name(class_name& arg)  // Do not implement
277cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines
287cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// Define macro, to use within a class declaration,  to disallow assignment.
297cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// Defines assignment operation declaration under the assumption that it
307cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// is never defined.
317cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines#define DISALLOW_CLASS_ASSIGN(class_name) \
327cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines  void operator=(class_name& arg)  // Do not implement
337cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines
347cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// Define macro to add copy and assignment declarations to a class file,
357cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// for which no bodies will be defined, effectively disallowing these from
367cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines// being defined in the class.
377cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines#define DISALLOW_CLASS_COPY_AND_ASSIGN(class_name) \
387cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines  DISALLOW_CLASS_COPY(class_name); \
397cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines  DISALLOW_CLASS_ASSIGN(class_name)
407cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines
417cd4c49d575478b2380f129dcd376a4e5e37939cStephen Hines#endif  // LLVM_SUPPORT_SUPPORT_MACROS_H__
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