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__ 42