1 /*
2  * Copyright 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 ART_RUNTIME_JNI_ID_TYPE_H_
18 #define ART_RUNTIME_JNI_ID_TYPE_H_
19 
20 #include <iosfwd>
21 
22 #include "base/macros.h"
23 
24 namespace art HIDDEN {
25 
26 enum class JniIdType {
27   // All Jni method/field IDs are pointers to the corresponding Art{Field,Method} type
28   kPointer,
29 
30   // All Jni method/field IDs are indices into a table.
31   kIndices,
32 
33   // All Jni method/field IDs are pointers to the corresponding Art{Field,Method} type but we
34   // keep around extra information support changing modes to either kPointer or kIndices later.
35   kSwapablePointer,
36 
37   kDefault = kPointer,
38 };
39 
40 EXPORT std::ostream& operator<<(std::ostream& os, JniIdType rhs);
41 
42 }  // namespace art
43 #endif  // ART_RUNTIME_JNI_ID_TYPE_H_
44