/*
* 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.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.flash.helpers.LoopWithType;
import com.jpexs.decompiler.flash.helpers.NulWriter;
import com.jpexs.decompiler.graph.Block;
import com.jpexs.decompiler.graph.CompilationException;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.Loop;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.TypeItem;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author JPEXS
*/
public class SwitchItem extends LoopItem implements Block {
public GraphTargetItem switchedObject;
public List<GraphTargetItem> caseValues;
public List<List<GraphTargetItem>> caseCommands;
public List<Integer> valuesMapping;
private boolean labelUsed;
@Override
public List<List<GraphTargetItem>> getSubs() {
List<List<GraphTargetItem>> ret = new ArrayList<>();
ret.addAll(caseCommands);
return ret;
}
public SwitchItem(GraphSourceItem instruction, GraphSourceItem lineStartIns, Loop loop, GraphTargetItem switchedObject, List<GraphTargetItem> caseValues, List<List<GraphTargetItem>> caseCommands, List<Integer> valuesMapping) {
super(instruction, lineStartIns, loop);
this.switchedObject = switchedObject;
this.caseValues = caseValues;
this.caseCommands = caseCommands;
this.valuesMapping = valuesMapping;
}
@Override
public boolean needsSemicolon() {
return false;
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
if (writer instanceof NulWriter) {
((NulWriter) writer).startLoop(loop.id, LoopWithType.LOOP_TYPE_SWITCH);
}
if (labelUsed) {
writer.append("loop").append(loop.id).append(":").newLine();
}
writer.append("switch");
if (writer.getFormatting().spaceBeforeParenthesesSwitchParentheses) {
writer.append(" ");
}
writer.append("(");
switchedObject.toString(writer, localData);
writer.append(")").startBlock();
for (int i = 0; i < caseCommands.size(); i++) {
for (int k = 0; k < valuesMapping.size(); k++) {
if (valuesMapping.get(k) == i) {
if (!(caseValues.get(k) instanceof DefaultItem)) {
writer.append("case ");
}
caseValues.get(k).toString(writer, localData);
writer.append(":").newLine();
}
}
writer.indent();
for (int j = 0; j < caseCommands.get(i).size(); j++) {
if (!caseCommands.get(i).get(j).isEmpty()) {
caseCommands.get(i).get(j).toStringSemicoloned(writer, localData).newLine();
}
}
writer.unindent();
}
writer.endBlock();
if (writer instanceof NulWriter) {
LoopWithType loopOjb = ((NulWriter) writer).endLoop(loop.id);
labelUsed = loopOjb.used;
}
return writer;
}
@Override
public List<ContinueItem> getContinues() {
List<ContinueItem> ret = new ArrayList<>();
for (List<GraphTargetItem> onecase : caseCommands) {
for (GraphTargetItem ti : onecase) {
if (ti instanceof ContinueItem) {
ret.add((ContinueItem) ti);
}
if (ti instanceof Block) {
ret.addAll(((Block) ti).getContinues());
}
}
}
return ret;
}
@Override
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
return generator.generate(localData, this);
}
@Override
public boolean hasReturnValue() {
return false;
}
@Override
public GraphTargetItem returnType() {
return TypeItem.UNBOUNDED;
}
}