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https://github.com/Samsung/escargot.git
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74 lines
2 KiB
C++
74 lines
2 KiB
C++
/*
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* Copyright (c) 2016-present Samsung Electronics Co., Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#ifndef __EscargotToStringRecursionPreventer__
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#define __EscargotToStringRecursionPreventer__
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#include "util/Vector.h"
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#include "runtime/String.h"
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#include "runtime/Object.h"
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#include "runtime/ExecutionState.h"
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namespace Escargot {
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class ToStringRecursionPreventer : public gc {
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friend class VMInstance;
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public:
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void pushItem(Object* obj)
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{
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ASSERT(canInvokeToString(obj));
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m_registeredItems.push_back(obj);
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}
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Object* pop() // returns item for debug
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{
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Object* ret = m_registeredItems.back();
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m_registeredItems.pop_back();
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return ret;
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}
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bool canInvokeToString(Object* obj)
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{
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if (VectorUtil::findInVector(m_registeredItems, obj) == VectorUtil::invalidIndex) {
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return true;
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}
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return false;
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}
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private:
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VectorWithInlineStorage<8, Object*, GCUtil::gc_malloc_allocator<Object*>> m_registeredItems;
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};
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class ToStringRecursionPreventerItemAutoHolder {
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public:
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ToStringRecursionPreventerItemAutoHolder(ExecutionState& state, Object* obj);
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~ToStringRecursionPreventerItemAutoHolder();
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private:
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ToStringRecursionPreventer* m_preventer;
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protected:
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#ifndef NDEBUG
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Object* m_object;
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#endif
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};
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} // namespace Escargot
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#endif
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