vegorov@google.com
858b6d53e1
Instead look it up in class table by class index taken from object's tags. Review URL: https://chromiumcodereview.appspot.com//10447064 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@8101 260f80e4-7a28-3924-810f-c04153c831b5
57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef VM_CLASS_TABLE_H_
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#define VM_CLASS_TABLE_H_
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#include "platform/assert.h"
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#include "platform/globals.h"
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#include "vm/globals.h"
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namespace dart {
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class Class;
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class ObjectPointerVisitor;
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class RawClass;
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class ClassTable {
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public:
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ClassTable();
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~ClassTable();
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RawClass* At(intptr_t index) const {
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ASSERT(IsValidIndex(index));
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return table_[index];
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}
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intptr_t IsValidIndex(intptr_t index) const {
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return (index > 0) && (index < top_);
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}
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void Register(const Class& cls);
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void VisitObjectPointers(ObjectPointerVisitor* visitor);
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void Print();
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static intptr_t table_offset() {
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return OFFSET_OF(ClassTable, table_);
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}
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private:
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static const int initial_capacity_ = 512;
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static const int capacity_increment_ = 256;
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intptr_t top_;
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intptr_t capacity_;
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RawClass** table_;
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DISALLOW_COPY_AND_ASSIGN(ClassTable);
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};
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} // namespace dart
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#endif // VM_CLASS_TABLE_H_
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