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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_MIRROR_THROWABLE_H_
#define ART_RUNTIME_MIRROR_THROWABLE_H_
#include "gc_root.h"
#include "object.h"
#include "object_callbacks.h"
#include "string.h"
namespace art {
struct ThrowableOffsets;
namespace mirror {
// C++ mirror of java.lang.Throwable
class MANAGED Throwable : public Object {
public:
void SetDetailMessage(String* new_detail_message) SHARED_REQUIRES(Locks::mutator_lock_);
String* GetDetailMessage() SHARED_REQUIRES(Locks::mutator_lock_) {
return GetFieldObject<String>(OFFSET_OF_OBJECT_MEMBER(Throwable, detail_message_));
}
std::string Dump() SHARED_REQUIRES(Locks::mutator_lock_);
// This is a runtime version of initCause, you shouldn't use it if initCause may have been
// overridden. Also it asserts rather than throwing exceptions. Currently this is only used
// in cases like the verifier where the checks cannot fail and initCause isn't overridden.
void SetCause(Throwable* cause) SHARED_REQUIRES(Locks::mutator_lock_);
void SetStackState(Object* state) SHARED_REQUIRES(Locks::mutator_lock_);
bool IsCheckedException() SHARED_REQUIRES(Locks::mutator_lock_);
static Class* GetJavaLangThrowable() SHARED_REQUIRES(Locks::mutator_lock_) {
DCHECK(!java_lang_Throwable_.IsNull());
return java_lang_Throwable_.Read();
}
int32_t GetStackDepth() SHARED_REQUIRES(Locks::mutator_lock_);
static void SetClass(Class* java_lang_Throwable);
static void ResetClass();
static void VisitRoots(RootVisitor* visitor)
SHARED_REQUIRES(Locks::mutator_lock_);
private:
Object* GetStackState() SHARED_REQUIRES(Locks::mutator_lock_) {
return GetFieldObjectVolatile<Object>(OFFSET_OF_OBJECT_MEMBER(Throwable, backtrace_));
}
Object* GetStackTrace() SHARED_REQUIRES(Locks::mutator_lock_) {
return GetFieldObjectVolatile<Object>(OFFSET_OF_OBJECT_MEMBER(Throwable, backtrace_));
}
// Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
HeapReference<Object> backtrace_; // Note this is Java volatile:
HeapReference<Throwable> cause_;
HeapReference<String> detail_message_;
HeapReference<Object> stack_trace_;
HeapReference<Object> suppressed_exceptions_;
static GcRoot<Class> java_lang_Throwable_;
friend struct art::ThrowableOffsets; // for verifying offset information
DISALLOW_IMPLICIT_CONSTRUCTORS(Throwable);
};
} // namespace mirror
} // namespace art
#endif // ART_RUNTIME_MIRROR_THROWABLE_H_