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Corentin Wallezd6cc1fe2019-07-17 19:01:50 +00001// 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
18namespace detail {
19
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
26 PayloadType GetPayloadType(intptr_t payload) {
27 return static_cast<PayloadType>(payload & 3);
28 }
29
30} // namespace detail