1 /* 2 * Copyright (C) 2017 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 HIDL_TYPE_ASSERTIONS_H_ 18 19 #define HIDL_TYPE_ASSERTIONS_H_ 20 21 #include <android-base/macros.h> 22 23 namespace android { 24 25 struct Formatter; 26 27 // Declare a HidlTypeAssertion at static scope to enforce a size requirement 28 // on a type (assumed to be declared in namespace ::android::hardware). 29 // This will cause the C++ backend of hidl-gen to emit the appropriate 30 // static_assert(...) statements at the end of FooAll.cpp. 31 struct HidlTypeAssertion { 32 HidlTypeAssertion(const char *name, size_t size); 33 34 size_t size() const; 35 36 static void EmitAll(Formatter &out); 37 38 private: 39 size_t mSize; 40 41 DISALLOW_COPY_AND_ASSIGN(HidlTypeAssertion); 42 }; 43 44 } // namespace android 45 46 #endif // HIDL_TYPE_ASSERTIONS_H_ 47
