/*
* 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.action.model.operations;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.action.model.DirectValueActionItem;
import com.jpexs.decompiler.flash.action.swf4.ActionSubtract;
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.TypeItem;
import com.jpexs.decompiler.graph.model.BinaryOpItem;
import com.jpexs.decompiler.graph.model.LocalData;
import java.util.List;
/**
*
* @author JPEXS
*/
public class SubtractActionItem extends BinaryOpItem {
public SubtractActionItem(GraphSourceItem instruction, GraphSourceItem lineStartIns, GraphTargetItem leftSide, GraphTargetItem rightSide) {
super(instruction, lineStartIns, PRECEDENCE_ADDITIVE, leftSide, rightSide, "-", "Number", "Number");
}
@Override
public Object getResult() {
return getResult(rightSide.getResultAsNumber(), leftSide.getResultAsNumber());
}
public static Double getResult(Double rightResult, Double leftResult) {
return leftResult - rightResult;
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
if ((leftSide instanceof DirectValueActionItem)
&& (((((DirectValueActionItem) leftSide).value instanceof Float) && (((Float) ((DirectValueActionItem) leftSide).value) == 0f))
|| ((((DirectValueActionItem) leftSide).value instanceof Double) && (((Double) ((DirectValueActionItem) leftSide).value) == 0.0))
|| ((((DirectValueActionItem) leftSide).value instanceof Long) && (((Long) ((DirectValueActionItem) leftSide).value) == 0L)))) {
writer.append(operator);
writer.append(" ");
rightSide.appendTry(writer, localData);
return writer;
} else 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 ActionSubtract());
}
@Override
public GraphTargetItem returnType() {
return TypeItem.UNBOUNDED;
}
}