/*
* 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.clauses;
import com.jpexs.decompiler.flash.SWF;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.action.Action;
import com.jpexs.decompiler.flash.action.model.ActionItem;
import com.jpexs.decompiler.flash.action.model.ConstantPool;
import com.jpexs.decompiler.flash.action.parser.script.ActionSourceGenerator;
import com.jpexs.decompiler.flash.action.swf4.ActionJump;
import com.jpexs.decompiler.flash.action.swf7.ActionTry;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
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.SourceGenerator;
import com.jpexs.decompiler.graph.model.ContinueItem;
import com.jpexs.decompiler.graph.model.LocalData;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author JPEXS
*/
public class TryActionItem extends ActionItem implements Block {
public List<GraphTargetItem> tryCommands;
public List<GraphTargetItem> catchExceptions;
public List<List<GraphTargetItem>> catchCommands;
public List<GraphTargetItem> finallyCommands;
@Override
public List<List<GraphTargetItem>> getSubs() {
List<List<GraphTargetItem>> ret = new ArrayList<>();
if (tryCommands != null) {
ret.add(tryCommands);
}
ret.addAll(catchCommands);
if (finallyCommands != null) {
ret.add(finallyCommands);
}
return ret;
}
public TryActionItem(List<GraphTargetItem> tryCommands, List<GraphTargetItem> catchExceptions, List<List<GraphTargetItem>> catchCommands, List<GraphTargetItem> finallyCommands) {
super(null, null, NOPRECEDENCE);
this.tryCommands = tryCommands;
this.catchExceptions = catchExceptions;
this.catchCommands = catchCommands;
this.finallyCommands = finallyCommands;
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
writer.append("try");
appendBlock(null, writer, localData, tryCommands);
for (int e = 0; e < catchExceptions.size(); e++) {
writer.newLine();
writer.append("catch");
if (writer.getFormatting().spaceBeforeParenthesesCatchParentheses) {
writer.append(" ");
}
writer.append("(");
catchExceptions.get(e).toStringNoQuotes(writer, localData);
writer.append(")");
List<GraphTargetItem> commands = catchCommands.get(e);
appendBlock(null, writer, localData, commands);
}
if (catchExceptions.isEmpty() || finallyCommands.size() > 0) {
writer.newLine();
writer.append("finally");
appendBlock(null, writer, localData, finallyCommands);
}
return writer;
}
@Override
public List<ContinueItem> getContinues() {
List<ContinueItem> ret = new ArrayList<>();
for (GraphTargetItem ti : tryCommands) {
if (ti instanceof ContinueItem) {
ret.add((ContinueItem) ti);
}
if (ti instanceof Block) {
ret.addAll(((Block) ti).getContinues());
}
}
if (finallyCommands != null) {
for (GraphTargetItem ti : finallyCommands) {
if (ti instanceof ContinueItem) {
ret.add((ContinueItem) ti);
}
if (ti instanceof Block) {
ret.addAll(((Block) ti).getContinues());
}
}
}
for (List<GraphTargetItem> commands : catchCommands) {
for (GraphTargetItem ti : commands) {
if (ti instanceof ContinueItem) {
ret.add((ContinueItem) ti);
}
if (ti instanceof Block) {
ret.addAll(((Block) ti).getContinues());
}
}
}
return ret;
}
@Override
public boolean needsSemicolon() {
return false;
}
@Override
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
List<GraphSourceItem> ret = new ArrayList<>();
ActionSourceGenerator asGenerator = (ActionSourceGenerator) generator;
List<Action> tryCommandsA = asGenerator.toActionList(asGenerator.generate(localData, tryCommands));
List<Action> finallyCommandsA = finallyCommands == null ? null : asGenerator.toActionList(asGenerator.generate(localData, finallyCommands));
List<Action> catchCommandsA = null;
String catchName = null;
if (catchExceptions != null) {
if (!catchExceptions.isEmpty()) {
catchName = catchExceptions.get(0).toStringNoQuotes(LocalData.create(new ConstantPool(asGenerator.getConstantPool())));
}
}
int catchSize = 0;
if (catchCommands != null && !catchCommands.isEmpty()) {
catchCommandsA = asGenerator.toActionList(asGenerator.generate(localData, catchCommands.get(0)));
catchSize = Action.actionsToBytes(catchCommandsA, false, SWF.DEFAULT_VERSION).length;
tryCommandsA.add(new ActionJump(catchSize));
}
int finallySize = 0;
if (finallyCommandsA != null) {
finallySize = Action.actionsToBytes(finallyCommandsA, false, SWF.DEFAULT_VERSION).length;
}
int trySize = Action.actionsToBytes(tryCommandsA, false, SWF.DEFAULT_VERSION).length;
ret.add(new ActionTry(false, finallyCommands != null, catchCommands != null, catchName, 0, trySize, catchSize, finallySize, SWF.DEFAULT_VERSION));
ret.addAll(tryCommandsA);
if (catchCommandsA != null) {
ret.addAll(catchCommandsA);
}
if (finallyCommandsA != null) {
ret.addAll(finallyCommandsA);
}
return ret;
}
@Override
public boolean hasReturnValue() {
return false;
}
}