36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
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// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/compiler/refs-map.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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using UnderlyingMap =
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base::TemplateHashMapImpl<Address, ObjectData*, AddressMatcher,
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ZoneAllocationPolicy>;
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RefsMap::RefsMap(uint32_t capacity, AddressMatcher match, Zone* zone)
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: UnderlyingMap(capacity, match, ZoneAllocationPolicy(zone)) {}
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RefsMap::RefsMap(const RefsMap* other, Zone* zone)
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: UnderlyingMap(other, ZoneAllocationPolicy(zone)) {}
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RefsMap::Entry* RefsMap::Lookup(const Address& key) const {
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return UnderlyingMap::Lookup(key, Hash(key));
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}
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RefsMap::Entry* RefsMap::LookupOrInsert(const Address& key, Zone* zone) {
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return UnderlyingMap::LookupOrInsert(key, RefsMap::Hash(key),
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[]() { return nullptr; },
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ZoneAllocationPolicy(zone));
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}
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uint32_t RefsMap::Hash(Address addr) { return static_cast<uint32_t>(addr); }
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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