1 /*
2  * Copyright 2012, The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *     http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 // Define support macros for defining classes, etc.
18 
19 #ifndef LLVM_SUPPORT_SUPPORT_MACROS_H__
20 #define LLVM_SUPPORT_SUPPORT_MACROS_H__
21 
22 // Define macro, to use within a class declaration,  to disallow constructor
23 // copy. Defines copy constructor declaration under the assumption that it
24 // is never defined.
25 #define DISALLOW_CLASS_COPY(class_name) \
26   class_name(class_name& arg)  // Do not implement
27 
28 // Define macro, to use within a class declaration,  to disallow assignment.
29 // Defines assignment operation declaration under the assumption that it
30 // is never defined.
31 #define DISALLOW_CLASS_ASSIGN(class_name) \
32   void operator=(class_name& arg)  // Do not implement
33 
34 // Define macro to add copy and assignment declarations to a class file,
35 // for which no bodies will be defined, effectively disallowing these from
36 // being defined in the class.
37 #define DISALLOW_CLASS_COPY_AND_ASSIGN(class_name) \
38   DISALLOW_CLASS_COPY(class_name); \
39   DISALLOW_CLASS_ASSIGN(class_name)
40 
41 #endif  // LLVM_SUPPORT_SUPPORT_MACROS_H__
42