/*
* Copyright (C) 2010-2016 JPEXS, All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3.0 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library.
*/
package com.jpexs.decompiler.flash.abc.avm2.model.operations;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instructions;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.graph.CompilationException;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.model.BinaryOpItem;
import com.jpexs.decompiler.graph.model.LocalData;
import com.jpexs.decompiler.graph.model.UnboundedTypeItem;
import java.util.List;
/**
*
* @author JPEXS
*/
public class ModuloAVM2Item extends BinaryOpItem {
public ModuloAVM2Item(GraphSourceItem instruction, GraphSourceItem lineStartIns, GraphTargetItem leftSide, GraphTargetItem rightSide) {
super(instruction, lineStartIns, PRECEDENCE_MULTIPLICATIVE, leftSide, rightSide, "%", "Number", "Number");
}
@Override
public Object getResult() {
Double rightResult = rightSide.getResultAsNumber();
if (Double.isNaN(rightResult) || Double.compare(rightResult, 0) == 0) {
return Double.NaN;
}
return ((long) (double) leftSide.getResultAsNumber()) % ((long) (double) rightResult);
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
if (rightSide.getPrecedence() >= precedence) { // >= add or subtract too
if (leftSide.getPrecedence() > precedence) {
writer.append("(");
leftSide.toString(writer, localData);
writer.append(")");
} else {
leftSide.toString(writer, localData);
}
writer.append(" ");
writer.append(operator);
writer.append(" ");
writer.append("(");
rightSide.toString(writer, localData);
return writer.append(")");
} else {
return super.appendTo(writer, localData);
}
}
@Override
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
return toSourceMerge(localData, generator, leftSide, rightSide,
new AVM2Instruction(0, AVM2Instructions.Modulo, null)
);
}
@Override
public GraphTargetItem returnType() {
return new UnboundedTypeItem();
}
}