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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_SRC_MIRROR_FIELD_H_
#define ART_SRC_MIRROR_FIELD_H_
#include "class.h"
#include "modifiers.h"
#include "object.h"
namespace art {
struct FieldClassOffsets;
struct FieldOffsets;
namespace mirror {
// C++ mirror of java.lang.reflect.Field
class MANAGED Field : public Object {
public:
Class* GetDeclaringClass() const;
void SetDeclaringClass(Class *new_declaring_class) SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
uint32_t GetAccessFlags() const;
void SetAccessFlags(uint32_t new_access_flags) {
SetField32(OFFSET_OF_OBJECT_MEMBER(Field, access_flags_), new_access_flags, false);
}
bool IsPublic() const {
return (GetAccessFlags() & kAccPublic) != 0;
}
bool IsStatic() const {
return (GetAccessFlags() & kAccStatic) != 0;
}
bool IsFinal() const {
return (GetAccessFlags() & kAccFinal) != 0;
}
uint32_t GetDexFieldIndex() const {
return GetField32(OFFSET_OF_OBJECT_MEMBER(Field, field_dex_idx_), false);
}
void SetDexFieldIndex(uint32_t new_idx) {
SetField32(OFFSET_OF_OBJECT_MEMBER(Field, field_dex_idx_), new_idx, false);
}
// Offset to field within an Object
MemberOffset GetOffset() const;
static MemberOffset OffsetOffset() {
return MemberOffset(OFFSETOF_MEMBER(Field, offset_));
}
MemberOffset GetOffsetDuringLinking() const;
void SetOffset(MemberOffset num_bytes);
// field access, null object for static fields
bool GetBoolean(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetBoolean(Object* object, bool z) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
int8_t GetByte(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetByte(Object* object, int8_t b) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
uint16_t GetChar(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetChar(Object* object, uint16_t c) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
int16_t GetShort(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetShort(Object* object, int16_t s) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
int32_t GetInt(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetInt(Object* object, int32_t i) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
int64_t GetLong(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetLong(Object* object, int64_t j) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
float GetFloat(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetFloat(Object* object, float f) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
double GetDouble(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetDouble(Object* object, double d) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
Object* GetObject(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetObject(Object* object, const Object* l) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
// raw field accesses
uint32_t Get32(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void Set32(Object* object, uint32_t new_value) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
uint64_t Get64(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void Set64(Object* object, uint64_t new_value) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
Object* GetObj(const Object* object) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
void SetObj(Object* object, const Object* new_value) const
SHARED_LOCKS_REQUIRED(Locks::mutator_lock_);
static Class* GetJavaLangReflectField() {
DCHECK(java_lang_reflect_Field_ != NULL);
return java_lang_reflect_Field_;
}
static void SetClass(Class* java_lang_reflect_Field);
static void ResetClass();
bool IsVolatile() const {
return (GetAccessFlags() & kAccVolatile) != 0;
}
private:
// Field order required by test "ValidateFieldOrderOfJavaCppUnionClasses".
// The class we are a part of
Class* declaring_class_;
uint32_t access_flags_;
// Dex cache index of field id
uint32_t field_dex_idx_;
// Offset of field within an instance or in the Class' static fields
uint32_t offset_;
static Class* java_lang_reflect_Field_;
friend struct art::FieldOffsets; // for verifying offset information
DISALLOW_IMPLICIT_CONSTRUCTORS(Field);
};
class MANAGED FieldClass : public Class {
private:
Object* ORDER_BY_NAME_AND_DECLARING_CLASS_;
friend struct art::FieldClassOffsets; // for verifying offset information
DISALLOW_IMPLICIT_CONSTRUCTORS(FieldClass);
};
} // namespace mirror
} // namespace art
#endif // ART_SRC_MIRROR_FIELD_H_
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