Andreas Gampe | d299c07 | 2017-10-17 10:50:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2007 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 | #ifndef NATIVEHELPER_MACROS_H_ |
| 18 | #define NATIVEHELPER_MACROS_H_ |
| 19 | |
| 20 | #if defined(__cplusplus) |
| 21 | |
| 22 | #if !defined(DISALLOW_COPY_AND_ASSIGN) |
| 23 | // DISALLOW_COPY_AND_ASSIGN disallows the copy and operator= functions. It goes in the private: |
| 24 | // declarations in a class. |
| 25 | #if __cplusplus >= 201103L |
| 26 | #define DISALLOW_COPY_AND_ASSIGN(TypeName) \ |
| 27 | TypeName(const TypeName&) = delete; \ |
| 28 | void operator=(const TypeName&) = delete |
| 29 | #else |
| 30 | #define DISALLOW_COPY_AND_ASSIGN(TypeName) \ |
| 31 | TypeName(const TypeName&); \ |
| 32 | void operator=(const TypeName&) |
| 33 | #endif // __has_feature(cxx_deleted_functions) |
| 34 | #endif // !defined(DISALLOW_COPY_AND_ASSIGN) |
| 35 | |
| 36 | #ifndef NATIVEHELPER_JNIHELP_H_ |
| 37 | // This seems a header-only include. Provide NPE throwing. |
| 38 | static inline int jniThrowNullPointerException(JNIEnv* env, const char* msg) { |
| 39 | if (env->ExceptionCheck()) { |
| 40 | // Drop any pending exception. |
| 41 | env->ExceptionClear(); |
| 42 | } |
| 43 | |
| 44 | jclass e_class = env->FindClass("java/lang/NullPointerException"); |
| 45 | if (e_class == nullptr) { |
| 46 | return -1; |
| 47 | } |
| 48 | |
| 49 | if (env->ThrowNew(e_class, msg) != JNI_OK) { |
| 50 | env->DeleteLocalRef(e_class); |
| 51 | return -1; |
| 52 | } |
| 53 | |
| 54 | env->DeleteLocalRef(e_class); |
| 55 | return 0; |
| 56 | } |
| 57 | #endif // NATIVEHELPER_JNIHELP_H_ |
| 58 | |
| 59 | #endif // defined(__cplusplus) |
| 60 | |
| 61 | #endif // NATIVEHELPER_MACROS_H_ |