/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_LIBDEXFILE_DEX_TYPE_REFERENCE_H_
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#define ART_LIBDEXFILE_DEX_TYPE_REFERENCE_H_
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#include <stdint.h>
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#include <android-base/logging.h>
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#include "dex/dex_file_types.h"
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#include "dex/string_reference.h"
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namespace art {
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class DexFile;
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// A type is located by its DexFile and the string_ids_ table index into that DexFile.
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class TypeReference : public DexFileReference {
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public:
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TypeReference(const DexFile* dex_file, dex::TypeIndex index)
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: DexFileReference(dex_file, index.index_) {}
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dex::TypeIndex TypeIndex() const {
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return dex::TypeIndex(index);
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}
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};
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// Compare the actual referenced type names. Used for type reference deduplication.
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struct TypeReferenceValueComparator {
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bool operator()(const TypeReference& tr1, const TypeReference& tr2) const {
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// Note that we want to deduplicate identical boot image types even if they are
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// referenced by different dex files, so we simply compare the descriptors.
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StringReference sr1(tr1.dex_file, tr1.dex_file->GetTypeId(tr1.TypeIndex()).descriptor_idx_);
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StringReference sr2(tr2.dex_file, tr2.dex_file->GetTypeId(tr2.TypeIndex()).descriptor_idx_);
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return StringReferenceValueComparator()(sr1, sr2);
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}
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};
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} // namespace art
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#endif // ART_LIBDEXFILE_DEX_TYPE_REFERENCE_H_
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