LegacyConsole/jpexs-decompiler
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faster getUnreachableActionCount

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This commit is contained in:
honfika@gmail.com
2015-10-26 20:42:26 +01:00
parent 75b407d119
commit d6d5435598
1 changed files with 84 additions and 0 deletions
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84
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/action/fastactionlist/FastActionList.java
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@@ -446,6 +446,27 @@ public class FastActionList implements Collection<ActionItem> {
return count;
}
public int getUnreachableActionCountOld(ActionItem jump, ActionItem jumpTarget) {
ActionItem item = firstItem;
if (item == null) {
return 0;
}
updateReachableFlagsOld(jump, jumpTarget);
jump.reachable = 0;
int count = 0;
do {
if (item.reachable == 0) {
count++;
}
item = item.next;
} while (item != firstItem);
return count;
}
private void clearReachableFlags() {
ActionItem item = firstItem;
if (item == null) {
@@ -477,6 +498,69 @@ public class FastActionList implements Collection<ActionItem> {
clearReachableFlags();
firstItem.reachable = 1;
ActionItem firstItem2 = firstItem;
boolean modified = true;
while (modified) {
modified = false;
ActionItem item = firstItem2;
do {
ActionItem next = item.next;
//ActionItem alternativeNext = null;
Action action = item.action;
if (item.reachable == 1) {
item.reachable = 2;
modified = true;
if (item == firstItem2) {
firstItem2 = next;
}
if (item == jump) {
if (jumpTarget.reachable == 0) {
jumpTarget.reachable = 1;
//alternativeNext = jumpTarget;
}
} else {
if (!action.isExit() && !(action instanceof ActionJump)) {
if (next.reachable == 0) {
next.reachable = 1;
}
}
if (action instanceof GraphSourceItemContainer) {
for (ActionItem lastActionItem : item.getContainerLastActions()) {
if (lastActionItem != null && lastActionItem.next != null && lastActionItem.next.reachable == 0) {
lastActionItem.next.reachable = 1;
//alternativeNext = lastActionItem.next;
}
}
}
ActionItem target = item.getJumpTarget();
if (target != null) {
if (target.reachable == 0) {
target.reachable = 1;
//alternativeNext = target;
}
}
}
}
//item = alternativeNext == null || next.reachable == 1 ? next : alternativeNext;
item = next;
} while (item != firstItem);
}
}
private void updateReachableFlagsOld(ActionItem jump, ActionItem jumpTarget) {
if (firstItem == null) {
return;
}
clearReachableFlags();
firstItem.reachable = 1;
boolean modified = true;
while (modified) {