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Fixed: #2322 More AS3 Assigment position when using dup

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This commit is contained in:
Jindra Petřík
2024-09-25 10:02:35 +02:00
parent 7172ac5152
commit 4e8041c6f0
9 changed files with 103 additions and 35 deletions
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50
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/graph/AVM2Graph.java
View File

@@ -116,6 +116,7 @@ import com.jpexs.decompiler.graph.model.NotItem;
import com.jpexs.decompiler.graph.model.OrItem;
import com.jpexs.decompiler.graph.model.PushItem;
import com.jpexs.decompiler.graph.model.SwitchItem;
import com.jpexs.decompiler.graph.model.TrueItem;
import com.jpexs.decompiler.graph.model.WhileItem;
import com.jpexs.helpers.Reference;
import java.util.ArrayList;
@@ -2424,17 +2425,8 @@ public class AVM2Graph extends Graph {
return false;
}
/**
* Final process.
*
* @param list List of GraphTargetItems
* @param level Level
* @param localData Local data
* @param path Path
* @throws InterruptedException On interrupt
*/
@Override
protected void finalProcess(List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
protected void finalProcess(GraphTargetItem parent, List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
if (debugDoNotProcess) {
return;
}
@@ -2655,6 +2647,7 @@ public class AVM2Graph extends Graph {
AVM2FinalProcessLocalData adata = (AVM2FinalProcessLocalData) localData;
//if(false)
if (!adata.bottomSetLocals.isEmpty()) {
boolean modified = false;
for (int i = 0; i < list.size(); i++) {
if (list.get(i) instanceof LoopItem) {
@@ -2664,7 +2657,7 @@ public class AVM2Graph extends Graph {
continue;
}
Reference<SetLocalAVM2Item> foundSetLoc = new Reference<>(null);
List<SetLocalAVM2Item> foundSetLoc = new ArrayList<>();
List<SetLocalAVM2Item> ignoredItems = new ArrayList<>();
//We need to ignore everything on the right side of && and ||,
@@ -2706,26 +2699,45 @@ public class AVM2Graph extends Graph {
GraphTargetItem parent = parentStack.get(s);
boolean move = true;
if (parent instanceof SetTypeAVM2Item) {
SetTypeAVM2Item setType = (SetTypeAVM2Item) parent;
if (setType.getValue().getNotCoerced() == item || setType.getObject() == item) { //chained assignment
move = false;
SetTypeAVM2Item setType = (SetTypeAVM2Item) parent;
if (setType.getValue().getNotCoerced() == item) { //chained assignment
//if (!((parent instanceof SetLocalAVM2Item)
// && ((SetLocalAVM2Item)parent).regIndex == ((SetLocalAVM2Item) item).regIndex)) { //no chain for the same localreg
move = false;
}
}
if (move) {
foundSetLoc.setVal((SetLocalAVM2Item) item);
foundSetLoc.add(0, (SetLocalAVM2Item) item);
}
}
}
}
}
});
if (foundSetLoc.getVal() != null) {
SetLocalAVM2Item setLoc = foundSetLoc.getVal();
for (SetLocalAVM2Item setLoc : foundSetLoc) {
list.add(i, setLoc.clone());
setLoc.hideValue = true;
setLoc.hideValue = true;
i++;
modified = true;
adata.bottomSetLocals.remove(setLoc);
}
}
if (modified && (parent instanceof WhileItem)) {
WhileItem wi = (WhileItem) parent;
if (wi.expression == list && !list.isEmpty()) {
GraphTargetItem lastExpr = list.remove(list.size() - 1);
List<GraphTargetItem> onTrue = new ArrayList<>();
BreakItem bi = new BreakItem(null, null, wi.loop.id);
onTrue.add(bi);
IfItem ifi = new IfItem(null, null, lastExpr.invert(null), onTrue, new ArrayList<>());
list.add(ifi);
wi.commands.addAll(0, list);
list.clear();
list.add(new TrueItem(null, null));
}
}
}
/*
@@ -2859,7 +2871,7 @@ public class AVM2Graph extends Graph {
}
*/
//Handle for loops at the end:
super.finalProcess(list, level, localData, path);
super.finalProcess(parent, list, level, localData, path);
}
@Override

13
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/ActionGraph.java
View File

@@ -274,17 +274,8 @@ public class ActionGraph extends Graph {
return !isSwitch;
}
/**
* Final process.
*
* @param list List of GraphTargetItems
* @param level Level
* @param localData Local data
* @param path Path
* @throws InterruptedException On interrupt
*/
@Override
protected void finalProcess(List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
protected void finalProcess(GraphTargetItem parent, List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
if (level == 0) {
List<GraphTargetItem> removed = new ArrayList<>();
@@ -553,7 +544,7 @@ public class ActionGraph extends Graph {
}
}
//Handle for loops at the end:
super.finalProcess(list, level, localData, path);
super.finalProcess(parent, list, level, localData, path);
}

12
libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/Graph.java
View File

@@ -1001,7 +1001,7 @@ public class Graph {
processIfs(ret);
finalProcessStack(stack, ret, path);
makeAllCommands(ret, stack);
finalProcessAll(ret, 0, getFinalData(localData, loops, throwStates), path);
finalProcessAll(null, ret, 0, getFinalData(localData, loops, throwStates), path);
return ret;
}
@@ -1332,22 +1332,23 @@ public class Graph {
/**
* Final process all.
*
* @param parent Parent item
* @param list List of GraphTargetItems
* @param level Level
* @param localData Local data
* @param path Path
* @throws InterruptedException On interrupt
*/
private void finalProcessAll(List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
private void finalProcessAll(GraphTargetItem parent, List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
if (debugDoNotProcess) {
return;
}
finalProcess(list, level, localData, path);
finalProcess(parent, list, level, localData, path);
for (GraphTargetItem item : list) {
if (item instanceof Block) {
List<List<GraphTargetItem>> subs = ((Block) item).getSubs();
for (List<GraphTargetItem> sub : subs) {
finalProcessAll(sub, level + 1, localData, path);
finalProcessAll(item, sub, level + 1, localData, path);
}
}
}
@@ -1428,13 +1429,14 @@ public class Graph {
/**
* Final process. Override this method to provide custom behavior.
*
* @param parent Paren item
* @param list List of GraphTargetItems
* @param level Level
* @param localData Local data
* @param path Path
* @throws InterruptedException On interrupt
*/
protected void finalProcess(List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
protected void finalProcess(GraphTargetItem parent, List<GraphTargetItem> list, int level, FinalProcessLocalData localData, String path) throws InterruptedException {
//For detection based on debug line information
boolean[] toDelete = new boolean[list.size()];