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28de827199
* Update build spec file * Add License files Signed-off-by: Seungsoo Lee <seungsoo47.lee@samsung.com>
74 lines
2.5 KiB
C++
74 lines
2.5 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 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 BinaryExpressionPlusNode_h
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#define BinaryExpressionPlusNode_h
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#include "ExpressionNode.h"
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namespace Escargot {
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class BinaryExpressionPlusNode : public ExpressionNode {
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public:
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BinaryExpressionPlusNode(Node* left, Node* right)
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: ExpressionNode()
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{
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m_left = (ExpressionNode*)left;
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m_right = (ExpressionNode*)right;
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}
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virtual ~BinaryExpressionPlusNode()
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{
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delete m_left;
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delete m_right;
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}
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virtual ASTNodeType type() { return ASTNodeType::BinaryExpressionPlus; }
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virtual void generateExpressionByteCode(ByteCodeBlock* codeBlock, ByteCodeGenerateContext* context, ByteCodeRegisterIndex dstRegister)
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{
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bool isSlow = !canUseDirectRegister(context, m_left, m_right);
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bool directBefore = context->m_canSkipCopyToRegister;
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if (isSlow) {
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context->m_canSkipCopyToRegister = false;
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}
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size_t src0 = m_left->getRegister(codeBlock, context);
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size_t src1 = m_right->getRegister(codeBlock, context);
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m_left->generateExpressionByteCode(codeBlock, context, src0);
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m_right->generateExpressionByteCode(codeBlock, context, src1);
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context->giveUpRegister();
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context->giveUpRegister();
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codeBlock->pushCode(BinaryPlus(ByteCodeLOC(m_loc.index), src0, src1, dstRegister), context, this);
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context->m_canSkipCopyToRegister = directBefore;
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}
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virtual void iterateChildrenIdentifier(const std::function<void(AtomicString name, bool isAssignment)>& fn)
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{
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m_left->iterateChildrenIdentifier(fn);
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m_right->iterateChildrenIdentifier(fn);
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}
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protected:
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ExpressionNode* m_left;
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ExpressionNode* m_right;
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};
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}
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#endif
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