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/*
* Copyright (C) 2018 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_LIBDEXFILE_DEX_CLASS_ACCESSOR_INL_H_
#define ART_LIBDEXFILE_DEX_CLASS_ACCESSOR_INL_H_
#include "class_accessor.h"
#include "base/leb128.h"
namespace art {
inline ClassAccessor::ClassAccessor(const DexFile& dex_file, const DexFile::ClassDef& class_def)
: ClassAccessor(dex_file, dex_file.GetClassData(class_def)) {}
inline ClassAccessor::ClassAccessor(const DexFile& dex_file, const uint8_t* class_data)
: dex_file_(dex_file),
ptr_pos_(class_data),
num_static_fields_(class_data != nullptr ? DecodeUnsignedLeb128(&ptr_pos_) : 0u),
num_instance_fields_(class_data != nullptr ? DecodeUnsignedLeb128(&ptr_pos_) : 0u),
num_direct_methods_(class_data != nullptr ? DecodeUnsignedLeb128(&ptr_pos_) : 0u),
num_virtual_methods_(class_data != nullptr ? DecodeUnsignedLeb128(&ptr_pos_) : 0u) {}
inline const uint8_t* ClassAccessor::Method::Read(const uint8_t* ptr) {
method_idx_ += DecodeUnsignedLeb128(&ptr);
access_flags_ = DecodeUnsignedLeb128(&ptr);
code_off_ = DecodeUnsignedLeb128(&ptr);
return ptr;
}
inline const uint8_t* ClassAccessor::Field::Read(const uint8_t* ptr) {
field_idx_ += DecodeUnsignedLeb128(&ptr);
access_flags_ = DecodeUnsignedLeb128(&ptr);
return ptr;
}
template <typename StaticFieldVisitor,
typename InstanceFieldVisitor,
typename DirectMethodVisitor,
typename VirtualMethodVisitor>
inline void ClassAccessor::VisitMethodsAndFields(
const StaticFieldVisitor& static_field_visitor,
const InstanceFieldVisitor& instance_field_visitor,
const DirectMethodVisitor& direct_method_visitor,
const VirtualMethodVisitor& virtual_method_visitor) const {
const uint8_t* ptr = ptr_pos_;
for (size_t i = 0; i < num_static_fields_; ++i) {
Field data;
ptr = data.Read(ptr);
static_field_visitor(data);
}
for (size_t i = 0; i < num_instance_fields_; ++i) {
Field data;
ptr = data.Read(ptr);
instance_field_visitor(data);
}
for (size_t i = 0; i < num_direct_methods_; ++i) {
Method data;
ptr = data.Read(ptr);
direct_method_visitor(data);
}
for (size_t i = 0; i < num_virtual_methods_; ++i) {
Method data;
ptr = data.Read(ptr);
virtual_method_visitor(data);
}
}
template <typename DirectMethodVisitor,
typename VirtualMethodVisitor>
inline void ClassAccessor::VisitMethods(const DirectMethodVisitor& direct_method_visitor,
const VirtualMethodVisitor& virtual_method_visitor) const {
VisitMethodsAndFields(VoidFunctor(),
VoidFunctor(),
direct_method_visitor,
virtual_method_visitor);
}
// Visit direct and virtual methods.
template <typename MethodVisitor>
inline void ClassAccessor::VisitMethods(const MethodVisitor& method_visitor) const {
VisitMethods(method_visitor, method_visitor);
}
inline const DexFile::CodeItem* ClassAccessor::GetCodeItem(const Method& method) const {
return dex_file_.GetCodeItem(method.GetCodeItemOffset());
}
} // namespace art
#endif // ART_LIBDEXFILE_DEX_CLASS_ACCESSOR_INL_H_
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