1/*
2 * Copyright (C) 2011 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_MIRROR_THROWABLE_H_
18#define ART_RUNTIME_MIRROR_THROWABLE_H_
19
20#include "object.h"
21#include "string.h"
22
23namespace art {
24
25struct ThrowableOffsets;
26
27namespace mirror {
28
29// C++ mirror of java.lang.Throwable
30class MANAGED Throwable : public Object {
31 public:
32  void SetDetailMessage(String* new_detail_message) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_) {
33    SetFieldObject(OFFSET_OF_OBJECT_MEMBER(Throwable, detail_message_), new_detail_message, false);
34  }
35  String* GetDetailMessage() const {
36    return GetFieldObject<String*>(OFFSET_OF_OBJECT_MEMBER(Throwable, detail_message_), false);
37  }
38  std::string Dump() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
39
40  // This is a runtime version of initCause, you shouldn't use it if initCause may have been
41  // overridden. Also it asserts rather than throwing exceptions. Currently this is only used
42  // in cases like the verifier where the checks cannot fail and initCause isn't overridden.
43  void SetCause(Throwable* cause) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
44  bool IsCheckedException() const SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
45
46  static Class* GetJavaLangThrowable() {
47    DCHECK(java_lang_Throwable_ != NULL);
48    return java_lang_Throwable_;
49  }
50
51  static void SetClass(Class* java_lang_Throwable);
52  static void ResetClass();
53
54 private:
55  Object* GetStackState() const {
56    return GetFieldObject<Object*>(OFFSET_OF_OBJECT_MEMBER(Throwable, stack_state_), true);
57  }
58
59  // Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
60  Throwable* cause_;
61  String* detail_message_;
62  Object* stack_state_;  // Note this is Java volatile:
63  Object* stack_trace_;
64  Object* suppressed_exceptions_;
65
66  static Class* java_lang_Throwable_;
67
68  friend struct art::ThrowableOffsets;  // for verifying offset information
69  DISALLOW_IMPLICIT_CONSTRUCTORS(Throwable);
70};
71
72}  // namespace mirror
73}  // namespace art
74
75#endif  // ART_RUNTIME_MIRROR_THROWABLE_H_
76