/*
* 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.parser.script;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.abc.ABC;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instructions;
import com.jpexs.decompiler.flash.abc.avm2.model.AVM2Item;
import com.jpexs.decompiler.flash.abc.types.ValueKind;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.graph.CompilationException;
import com.jpexs.decompiler.graph.DottedChain;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.TypeFunctionItem;
import com.jpexs.decompiler.graph.TypeItem;
import com.jpexs.decompiler.graph.model.LocalData;
import java.util.ArrayList;
import java.util.List;
/**
*
* @author JPEXS
*/
public class CallAVM2Item extends AVM2Item {
public GraphTargetItem name;
public List<GraphTargetItem> arguments;
public int line;
public List<NamespaceItem> openedNamespaces;
public CallAVM2Item(List<NamespaceItem> openedNamespaces, int line, GraphTargetItem name, List<GraphTargetItem> arguments) {
super(null, null, NOPRECEDENCE);
this.openedNamespaces = openedNamespaces;
this.name = name;
this.arguments = arguments;
this.line = line;
}
@Override
public GraphTextWriter appendTo(GraphTextWriter writer, LocalData localData) throws InterruptedException {
return writer;
}
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator, boolean needsReturn) throws CompilationException {
AVM2SourceGenerator g = (AVM2SourceGenerator) generator;
GraphTargetItem callable = name;
if (callable instanceof UnresolvedAVM2Item) {
callable = ((UnresolvedAVM2Item) callable).resolved;
}
if (callable instanceof NameAVM2Item) {
NameAVM2Item n = (NameAVM2Item) callable;
/*List<ABC> allAbcs = new ArrayList<>();
allAbcs.add(g.abc);
allAbcs.addAll(g.allABCs);*/
String cname = localData.currentClass;
DottedChain pkgName = localData.pkg;
GraphTargetItem obj = null;
Reference<String> outName = new Reference<>("");
Reference<DottedChain> outNs = new Reference<>(DottedChain.EMPTY);
Reference<DottedChain> outPropNs = new Reference<>(DottedChain.EMPTY);
Reference<Integer> outPropNsKind = new Reference<>(1);
Reference<Integer> outPropNsIndex = new Reference<>(0);
Reference<GraphTargetItem> outPropType = new Reference<>(null);
Reference<ValueKind> outPropValue = new Reference<>(null);
Reference<ABC> outPropValueABC = new Reference<>(null);
List<Integer> otherNs = new ArrayList<>();
for (NamespaceItem on : openedNamespaces) {
if (on.isResolved()) {
otherNs.add(on.getCpoolIndex(g.abcIndex));
}
}
if (cname != null && AVM2SourceGenerator.searchPrototypeChain(otherNs, localData.privateNs, localData.protectedNs, true, g.abcIndex, pkgName, cname, n.getVariableName(), outName, outNs, outPropNs, outPropNsKind, outPropNsIndex, outPropType, outPropValue, outPropValueABC)) {
NameAVM2Item nobj = new NameAVM2Item(new TypeItem(localData.getFullClass()), n.line, "this", null, false, n.openedNamespaces);
nobj.setRegNumber(0);
obj = nobj;
}
PropertyAVM2Item p = new PropertyAVM2Item(obj, n.getVariableName(), g.abcIndex, n.openedNamespaces, new ArrayList<>());
p.setAssignedValue(n.getAssignedValue());
callable = p;
}
int propIndex = -1;
if (callable instanceof TypeItem) {
TypeItem t = (TypeItem) callable;
propIndex = AVM2SourceGenerator.resolveType(localData, t, ((AVM2SourceGenerator) generator).abcIndex);
}
Object obj = null;
if (callable instanceof PropertyAVM2Item) {
PropertyAVM2Item prop = (PropertyAVM2Item) callable;
obj = prop.object;
if (obj == null) {
/*List<ABC> allAbcs = new ArrayList<>();
allAbcs.add(g.abc);
allAbcs.addAll(g.allABCs);
*/ String cname = localData.currentClass;
DottedChain pkgName = localData.pkg;
Reference<String> outName = new Reference<>("");
Reference<DottedChain> outNs = new Reference<>(DottedChain.EMPTY);
Reference<DottedChain> outPropNs = new Reference<>(DottedChain.EMPTY);
Reference<Integer> outPropNsKind = new Reference<>(1);
Reference<Integer> outPropNsIndex = new Reference<>(0);
Reference<GraphTargetItem> outPropType = new Reference<>(null);
Reference<ValueKind> outPropValue = new Reference<>(null);
Reference<ABC> outPropValueAbc = new Reference<>(null);
List<Integer> otherNs = new ArrayList<>();
for (NamespaceItem n : openedNamespaces) {
if (n.isResolved()) {
otherNs.add(n.getCpoolIndex(g.abcIndex));
}
}
if (cname != null && AVM2SourceGenerator.searchPrototypeChain(otherNs, localData.privateNs, localData.protectedNs, true, g.abcIndex, pkgName, cname, prop.propertyName, outName, outNs, outPropNs, outPropNsKind, outPropNsIndex, outPropType, outPropValue, outPropValueAbc) && (localData.getFullClass().equals(outNs.getVal().addWithSuffix(outName.getVal()).toRawString()))) {
NameAVM2Item nobj = new NameAVM2Item(new TypeItem(localData.getFullClass()), 0, "this", null, false, new ArrayList<>());
nobj.setRegNumber(0);
obj = nobj;
}
}
propIndex = prop.resolveProperty(localData);
}
if (propIndex != -1) {
if (obj == null) {
obj = new AVM2Instruction(0, AVM2Instructions.FindPropertyStrict, new int[]{propIndex});
}
boolean isSuper = (obj instanceof NameAVM2Item) && "super".equals(((NameAVM2Item) obj).getVariableName());
int insCode = isSuper
? (needsReturn ? AVM2Instructions.CallSuper : AVM2Instructions.CallSuperVoid)
: (needsReturn ? AVM2Instructions.CallProperty : AVM2Instructions.CallPropVoid);
return toSourceMerge(localData, generator, obj, arguments,
ins(insCode, propIndex, arguments.size())
);
}
if (callable instanceof IndexAVM2Item) {
return ((IndexAVM2Item) callable).toSource(localData, generator, needsReturn, true, arguments, false, false);
}
if (callable instanceof NamespacedAVM2Item) {
return ((NamespacedAVM2Item) callable).toSource(localData, generator, needsReturn, true, arguments, false, false);
}
return toSourceMerge(localData, generator, callable, ins(AVM2Instructions.GetGlobalScope), arguments, ins(AVM2Instructions.Call, arguments.size()));
}
@Override
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
return toSource(localData, generator, true);
}
@Override
public List<GraphSourceItem> toSourceIgnoreReturnValue(SourceGeneratorLocalData localData, SourceGenerator generator) throws CompilationException {
return toSource(localData, generator, false);
}
@Override
public GraphTargetItem returnType() {
GraphTargetItem callable = name;
if (callable instanceof UnresolvedAVM2Item) {
callable = ((UnresolvedAVM2Item) callable).resolved;
}
if (callable instanceof TypeItem) {
return TypeItem.UNBOUNDED;
}
GraphTargetItem ti = callable.returnType();
if (ti instanceof TypeFunctionItem) {
TypeFunctionItem tfi = (TypeFunctionItem) ti;
return new TypeItem(tfi.fullTypeName);
}
return ti;
}
@Override
public boolean hasReturnValue() {
return true;
}
}