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/*
* Copyright (C) 2016 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_TYPE_REFERENCE_H_
#define ART_LIBDEXFILE_DEX_TYPE_REFERENCE_H_
#include <stdint.h>
#include <android-base/logging.h>
#include "dex/dex_file_types.h"
#include "dex/string_reference.h"
namespace art {
class DexFile;
// A type is located by its DexFile and the string_ids_ table index into that DexFile.
class TypeReference : public DexFileReference {
public:
TypeReference(const DexFile* dex_file, dex::TypeIndex index)
: DexFileReference(dex_file, index.index_) {}
dex::TypeIndex TypeIndex() const {
return dex::TypeIndex(index);
}
};
// Compare the actual referenced type names. Used for type reference deduplication.
struct TypeReferenceValueComparator {
bool operator()(const TypeReference& tr1, const TypeReference& tr2) const {
// Note that we want to deduplicate identical boot image types even if they are
// referenced by different dex files, so we simply compare the descriptors.
StringReference sr1(tr1.dex_file, tr1.dex_file->GetTypeId(tr1.TypeIndex()).descriptor_idx_);
StringReference sr2(tr2.dex_file, tr2.dex_file->GetTypeId(tr2.TypeIndex()).descriptor_idx_);
return StringReferenceValueComparator()(sr1, sr2);
}
};
} // namespace art
#endif // ART_LIBDEXFILE_DEX_TYPE_REFERENCE_H_
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