51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
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// Copyright 2016 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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#ifndef V8_EXTERNAL_REFERENCE_TABLE_H_
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#define V8_EXTERNAL_REFERENCE_TABLE_H_
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#include "src/address-map.h"
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namespace v8 {
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namespace internal {
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class Isolate;
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// ExternalReferenceTable is a helper class that defines the relationship
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// between external references and their encodings. It is used to build
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// hashmaps in ExternalReferenceEncoder and ExternalReferenceDecoder.
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class ExternalReferenceTable {
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public:
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static ExternalReferenceTable* instance(Isolate* isolate);
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int size() const { return refs_.length(); }
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Address address(int i) { return refs_[i].address; }
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const char* name(int i) { return refs_[i].name; }
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inline static Address NotAvailable() { return NULL; }
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static const int kDeoptTableSerializeEntryCount = 64;
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private:
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struct ExternalReferenceEntry {
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Address address;
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const char* name;
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};
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explicit ExternalReferenceTable(Isolate* isolate);
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void Add(Address address, const char* name) {
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ExternalReferenceEntry entry = {address, name};
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refs_.Add(entry);
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}
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List<ExternalReferenceEntry> refs_;
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DISALLOW_COPY_AND_ASSIGN(ExternalReferenceTable);
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};
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} // namespace internal
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} // namespace v8
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#endif // V8_EXTERNAL_REFERENCE_TABLE_H_
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