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Inc, dec fix

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This commit is contained in:
Jindra Petřík
2025-08-02 10:27:20 +02:00
parent 70a4165341
commit a436ddd65c
1 changed files with 34 additions and 39 deletions
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73
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/instructions/InstructionDefinition.java
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@@ -747,54 +747,49 @@ public abstract class InstructionDefinition implements Serializable {
}
}
}
}
}
}
if (obj instanceof LocalRegAVM2Item) {
LocalRegAVM2Item objLocalReg = (LocalRegAVM2Item) obj;
if (obj instanceof LocalRegAVM2Item) {
LocalRegAVM2Item objLocalReg = (LocalRegAVM2Item) obj;
stack.moveToStack(output);
if (!stack.isEmpty()) {
GraphTargetItem checked = checkIncDec(false, multinameIndex, ins, localData, stack.peek(), valueLocalReg, nameLocalReg, objLocalReg);
if (checked != null) {
stack.pop();
stack.push(checked);
return;
}
stack.moveToStack(output);
if (!stack.isEmpty()) {
GraphTargetItem checked = checkIncDec(false, multinameIndex, ins, localData, stack.peek(), valueLocalReg, nameLocalReg, objLocalReg);
if (checked != null) {
stack.pop();
stack.push(checked);
return;
}
if (!output.isEmpty()) {
GraphTargetItem checked = checkIncDec(true, multinameIndex, ins, localData, output.get(output.size() - 1), valueLocalReg, nameLocalReg, objLocalReg);
if (checked != null) {
output.remove(output.size() - 1);
output.add(checked);
return;
}
}
if (!output.isEmpty()) {
GraphTargetItem checked = checkIncDec(true, multinameIndex, ins, localData, output.get(output.size() - 1), valueLocalReg, nameLocalReg, objLocalReg);
if (checked != null) {
output.remove(output.size() - 1);
output.add(checked);
return;
}
}
}
}
if (obj instanceof PopItem) {
if (output.size() >= 2
&& output.get(output.size() - 1) instanceof SetLocalAVM2Item
&& output.get(output.size() - 2) instanceof PushItem
&& multiname.name instanceof LocalRegAVM2Item) {
SetLocalAVM2Item setLocal = (SetLocalAVM2Item) output.get(output.size() - 1);
LocalRegAVM2Item localReg = (LocalRegAVM2Item) multiname.name;
PushItem pi = (PushItem) output.get(output.size() - 2);
if (setLocal.regIndex == localReg.regIndex) {
GraphSourceItem src = setLocal.getSrc();
if (src != null) {
if (localData.getSetLocalUsages(localData.code.adr2pos(src.getAddress())).size() == 1) {
output.remove(output.size() - 1);
output.remove(output.size() - 1);
stack.moveToStack(output);
obj = pi.value;
multiname.name = setLocal.value;
}
}
if (multiname.name instanceof CommaExpressionItem) {
CommaExpressionItem ce = (CommaExpressionItem) multiname.name;
if (ce.commands.size() == 2) {
if (ce.commands.get(0) instanceof SetLocalAVM2Item && ce.commands.get(1) instanceof LocalRegAVM2Item) {
SetLocalAVM2Item setLocal = (SetLocalAVM2Item) ce.commands.get(0);
LocalRegAVM2Item localReg = (LocalRegAVM2Item) ce.commands.get(1);
if (setLocal.regIndex == localReg.regIndex) {
GraphSourceItem src = setLocal.getSrc();
if (src != null) {
if (localData.getSetLocalUsages(localData.code.adr2pos(src.getAddress())).size() == 1) {
multiname.name = setLocal.value;
}
}
}
}
}
}
}
if (obj.getThroughDuplicate() instanceof ConstructAVM2Item) {
ConstructAVM2Item c = (ConstructAVM2Item) obj.getThroughDuplicate();