regis@google.com
34a5754f3e
Review URL: https://chromiumcodereview.appspot.com//10829446 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@11008 260f80e4-7a28-3924-810f-c04153c831b5
80 lines
2.1 KiB
C++
80 lines
2.1 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 Function;
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template <typename T> class ZoneGrowableArray;
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class ObjectPointerVisitor;
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class RawClass;
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class String;
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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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// Returns true if the class given by its cid has subclasses.
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// Must not be called for kDartObjectCid.
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bool HasSubclasses(intptr_t cid) const;
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// Returns an array containing the cids of the direct and indirect subclasses
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// of the class given by its cid.
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// Must not be called for kDartObjectCid.
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ZoneGrowableArray<intptr_t>* GetSubclassIdsOf(intptr_t cid) const;
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// Returns an array containing instance functions of the given name and
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// belonging to the classes given by their cids.
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// Cids must not contain kDartObjectCid.
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ZoneGrowableArray<Function*>* GetNamedInstanceFunctionsOf(
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const ZoneGrowableArray<intptr_t>& cids,
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const String& function_name) const;
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// Returns an array of functions overriding the given function.
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// Must not be called for a function of class Object.
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ZoneGrowableArray<Function*>* GetOverridesOf(const Function& function) const;
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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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