1 // Copyright 2019 The Dawn Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include "common/Result.h" 16 17 // Implementation details of the tagged pointer Results 18 namespace detail { 19 MakePayload(const void * pointer,PayloadType type)20 intptr_t MakePayload(const void* pointer, PayloadType type) { 21 intptr_t payload = reinterpret_cast<intptr_t>(pointer); 22 ASSERT((payload & 3) == 0); 23 return payload | type; 24 } 25 GetPayloadType(intptr_t payload)26 PayloadType GetPayloadType(intptr_t payload) { 27 return static_cast<PayloadType>(payload & 3); 28 } 29 30 } // namespace detail 31