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AS3 parser stub: post increment stub

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Jindra Petk
2014-03-25 06:55:31 +01:00
parent 14134f6e5e
commit fe05d44cb9
1 changed files with 69 additions and 2 deletions
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71
trunk/src/com/jpexs/decompiler/flash/abc/avm2/model/PostIncrementAVM2Item.java
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@@ -16,11 +16,27 @@
*/
package com.jpexs.decompiler.flash.abc.avm2.model;
import com.jpexs.decompiler.flash.SourceGeneratorLocalData;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.arithmetic.IncrementIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.localregs.GetLocalIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.localregs.KillIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.localregs.SetLocalIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.other.FindPropertyStrictIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.other.GetPropertyIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.other.SetPropertyIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.stack.DupIns;
import com.jpexs.decompiler.flash.abc.avm2.model.clauses.AssignmentAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.parser.script.AVM2SourceGenerator;
import com.jpexs.decompiler.flash.abc.avm2.parser.script.NameAVM2Item;
import com.jpexs.decompiler.flash.abc.avm2.parser.script.PropertyAVM2Item;
import com.jpexs.decompiler.flash.helpers.GraphTextWriter;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.SourceGenerator;
import com.jpexs.decompiler.graph.model.LocalData;
import java.util.ArrayList;
import java.util.List;
public class PostIncrementAVM2Item extends AVM2Item implements AssignmentAVM2Item {
@@ -41,14 +57,65 @@ public class PostIncrementAVM2Item extends AVM2Item implements AssignmentAVM2Ite
public boolean hasSideEffect() {
return true;
}
@Override
public GraphTargetItem returnType() {
return object.returnType();
}
@Override
public boolean hasReturnValue() {
return true;
}
@Override
public List<GraphSourceItem> toSource(SourceGeneratorLocalData localData, SourceGenerator generator) {
AVM2SourceGenerator g = (AVM2SourceGenerator) generator;
int objectTempReg = g.getFreeRegister(localData);
if (object instanceof PropertyAVM2Item) {
PropertyAVM2Item p = (PropertyAVM2Item) object;
int propertyId = p.resolveProperty();
Object obj = p.object;
GraphTargetItem index = p.index;
if (obj == null) {
obj = new AVM2Instruction(0, new FindPropertyStrictIns(), new int[]{propertyId}, new byte[0]);
}
List<GraphSourceItem> ret = toSourceMerge(localData, generator, obj,
new AVM2Instruction(0, new DupIns(), new int[]{}, new byte[0]),
new AVM2Instruction(0, new SetLocalIns(), new int[]{objectTempReg}, new byte[0])
);
int indexTempReg = 0;
if (index != null) {
indexTempReg = g.getFreeRegister(localData);
ret.addAll(toSourceMerge(localData, generator, index,
new AVM2Instruction(0, new DupIns(), new int[]{}, new byte[0]),
new AVM2Instruction(0, new SetLocalIns(), new int[]{indexTempReg}, new byte[0])
));
}
ret.addAll(toSourceMerge(localData, generator,
new AVM2Instruction(0, new GetPropertyIns(), new int[]{}, new byte[0]),
new AVM2Instruction(0, new DupIns(), new int[]{}, new byte[0]),
new AVM2Instruction(0, new IncrementIns(), new int[]{}, new byte[0]),
new AVM2Instruction(0, new GetLocalIns(), new int[]{objectTempReg}, new byte[0])
));
if (index != null) {
ret.add(new AVM2Instruction(0, new GetLocalIns(), new int[]{indexTempReg}, new byte[0]));
}
ret.add(new AVM2Instruction(0, new SetPropertyIns(), new int[]{propertyId}, new byte[0]));
ret.add(new AVM2Instruction(0, new KillIns(), new int[]{objectTempReg}, new byte[0]));
if (index != null) {
ret.add(new AVM2Instruction(0, new KillIns(), new int[]{indexTempReg}, new byte[0]));
}
return ret;
}
if(object instanceof NameAVM2Item){
//TODO
}
return toSourceMerge(localData, generator, object);
}
}