/*
* 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.graph.model;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphSourceItemPos;
import com.jpexs.decompiler.graph.GraphTargetItem;
import java.util.List;
import java.util.Set;
/**
*
* @author JPEXS
*/
public abstract class UnaryOpItem extends GraphTargetItem implements UnaryOp {
public String operator;
protected String coerce;
public UnaryOpItem(GraphSourceItem instruction, GraphSourceItem lineStartItem, int precedence, GraphTargetItem value, String operator, String coerce) {
super(instruction, lineStartItem, precedence, value);
this.operator = operator;
this.coerce = coerce;
}
@Override
public GraphTargetItem simplify(String implicitCoerce) {
GraphTargetItem r = clone();
r.value = r.value.simplify(coerce);
return simplifySomething(r, implicitCoerce);
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
writer.append(operator);
if (value != null) {
if (value.getPrecedence() > precedence) {
writer.append("(");
value.toString(writer, localData, coerce);
writer.append(")");
} else {
value.toString(writer, localData, coerce);
}
} else {
writer.append("null");
}
return writer;
}
@Override
public boolean isCompileTime(Set<GraphTargetItem> dependencies) {
if (dependencies.contains(value)) {
return false;
}
dependencies.add(value);
return value.isConvertedCompileTime(dependencies);
}
@Override
public boolean isVariableComputed() {
return value.isVariableComputed();
}
@Override
public List<GraphSourceItemPos> getNeededSources() {
List<GraphSourceItemPos> ret = super.getNeededSources();
ret.addAll(value.getNeededSources());
return ret;
}
@Override
public boolean hasSideEffect() {
return value.hasSideEffect();
}
@Override
public int getPrecedence() {
return precedence;
}
@Override
public GraphTargetItem getValue() {
return value;
}
@Override
public boolean hasReturnValue() {
return true;
}
}