LegacyConsole/jpexs-decompiler
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faster editor.setText (but still so slow with huge texts)

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faster AS2 deobfuscation (when multiple jumps should be replaced with a single jump)
This commit is contained in:
honfika@gmail.com
2014-12-02 22:38:46 +01:00
parent df933aeb43
commit 689ec29448
2 changed files with 112 additions and 93 deletions
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40
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/deobfuscation/ActionDeobfuscatorSimple.java
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@@ -147,22 +147,27 @@ public class ActionDeobfuscatorSimple implements SWFDecompilerListener {
Action target = actions.get(result.idx);
Action prevAction = actions.get(i);
if (!result.stack.isEmpty()) {
ActionPush push = new ActionPush(0);
push.values.clear();
for (GraphTargetItem graphTargetItem : result.stack) {
DirectValueActionItem dv = (DirectValueActionItem) graphTargetItem;
push.values.add(dv.value);
if (result.stack.isEmpty() && prevAction instanceof ActionJump) {
ActionJump jump = (ActionJump) prevAction;
jump.setJumpOffset((int) (target.getAddress() - jump.getAddress() - jump.getTotalActionLength()));
} else {
if (!result.stack.isEmpty()) {
ActionPush push = new ActionPush(0);
push.values.clear();
for (GraphTargetItem graphTargetItem : result.stack) {
DirectValueActionItem dv = (DirectValueActionItem) graphTargetItem;
push.values.add(dv.value);
}
push.setAddress(prevAction.getAddress());
actions.addAction(i++, push);
prevAction = push;
}
push.setAddress(prevAction.getAddress());
actions.addAction(i++, push);
prevAction = push;
}
ActionJump jump = new ActionJump(0);
jump.setAddress(prevAction.getAddress());
jump.setJumpOffset((int) (target.getAddress() - jump.getAddress() - jump.getTotalActionLength()));
actions.addAction(i++, jump);
ActionJump jump = new ActionJump(0);
jump.setAddress(prevAction.getAddress());
jump.setJumpOffset((int) (target.getAddress() - jump.getAddress() - jump.getTotalActionLength()));
actions.addAction(i++, jump);
}
Action nextAction = actions.size() > i ? actions.get(i) : null;
@@ -277,13 +282,12 @@ public class ActionDeobfuscatorSimple implements SWFDecompilerListener {
break;
}
Action action = actions.get(idx);
instructionsProcessed++;
if (instructionsProcessed > executionLimit) {
break;
}
Action action = actions.get(idx);
/*System.out.print(action.getASMSource(actions, new ArrayList<Long>(), ScriptExportMode.PCODE));
for (int j = 0; j < stack.size(); j++) {
System.out.print(" '" + stack.get(j).getResult() + "'");
@@ -348,6 +352,8 @@ public class ActionDeobfuscatorSimple implements SWFDecompilerListener {
}
}
instructionsProcessed++;
if (stack.allItemsFixed()) {
result.idx = idx == actions.size() ? idx - 1 : idx;
result.instructionsProcessed = instructionsProcessed;