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Fixed: #270 AS decompilation - comma in ternar

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Jindra Petřík
2021-03-13 20:32:24 +01:00
parent b84ccc7005
commit 98703e4e5a
11 changed files with 212 additions and 15 deletions
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38
libsrc/ffdec_lib/src/com/jpexs/decompiler/graph/Graph.java
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@@ -1825,6 +1825,15 @@ public class Graph {
return true;
}
protected boolean canBeCommaised(List<GraphTargetItem> list) {
for (GraphTargetItem item : list) {
if (item instanceof Block) {
return false;
}
}
return true;
}
protected List<GraphTargetItem> printGraph(List<GotoItem> foundGotos, Map<GraphPart, List<GraphTargetItem>> partCodes, Map<GraphPart, Integer> partCodePos, Set<GraphPart> visited, BaseLocalData localData, TranslateStack stack, Set<GraphPart> allParts, GraphPart parent, GraphPart part, List<GraphPart> stopPart, List<StopPartKind> stopPartKind, List<Loop> loops, List<ThrowState> throwStates, List<GraphTargetItem> ret, int staticOperation, String path, int recursionLevel) throws InterruptedException {
if (Thread.currentThread().isInterrupted()) {
throw new InterruptedException();
@@ -2133,6 +2142,14 @@ public class Graph {
caseCommaCommands.put(cpos, commaCommands);
commaCommands = new ArrayList<>();
it = to.onFalse;
if (it instanceof CommaExpressionItem) {
commaCommands = new ArrayList<>();
CommaExpressionItem ce = (CommaExpressionItem) it;
for (int f = 0; f < ce.commands.size() - 1; f++) {
commaCommands.add(ce.commands.get(f));
}
it = ce.commands.get(ce.commands.size() - 1);
}
} else {
break;
}
@@ -2307,8 +2324,25 @@ public class Graph {
List<GraphTargetItem> filteredOnTrue = onTrue;
List<GraphTargetItem> filteredOnFalse = onFalse;
if (!isEmpty(filteredOnTrue) && !isEmpty(filteredOnFalse) && filteredOnTrue.size() == 1 && filteredOnFalse.size() == 1 && (filteredOnTrue.get(0) instanceof PushItem) && (filteredOnFalse.get(0) instanceof PushItem)) {
stack.push(new TernarOpItem(null, localData.lineStartInstruction, expr.invert(null), ((PushItem) filteredOnTrue.get(0)).value, ((PushItem) filteredOnFalse.get(0)).value));
if (!isEmpty(filteredOnTrue) && !isEmpty(filteredOnFalse)
&& (filteredOnTrue.get(filteredOnTrue.size() - 1) instanceof PushItem)
&& (filteredOnFalse.get(filteredOnFalse.size() - 1) instanceof PushItem)
&& canBeCommaised(filteredOnTrue) && canBeCommaised(filteredOnFalse)) {
GraphTargetItem ternarOnTrue;
if (filteredOnTrue.size() > 1) {
filteredOnTrue.set(filteredOnTrue.size() - 1, filteredOnTrue.get(filteredOnTrue.size() - 1).value); // replace Pushitem with its value
ternarOnTrue = new CommaExpressionItem(null, null, filteredOnTrue);
} else {
ternarOnTrue = filteredOnTrue.get(0).value;
}
GraphTargetItem ternarOnFalse;
if (filteredOnFalse.size() > 1) {
filteredOnFalse.set(filteredOnFalse.size() - 1, filteredOnFalse.get(filteredOnFalse.size() - 1).value); // replace Pushitem with its value
ternarOnFalse = new CommaExpressionItem(null, null, filteredOnFalse);
} else {
ternarOnFalse = filteredOnFalse.get(0).value;
}
stack.push(new TernarOpItem(null, localData.lineStartInstruction, expr.invert(null), ternarOnTrue, ternarOnFalse));
} else {
boolean isIf = true;
//If the ontrue is empty, switch ontrue and onfalse