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avoid leaking jni frames

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This commit is contained in:
Egor.Ushakov
2015-07-31 20:52:07 +03:00
parent 98b877d9ac
commit e7b377e1d8
1 changed files with 10 additions and 5 deletions
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java/debugger/impl/src/com/intellij/debugger/jdi/ThreadReferenceProxyImpl.java
+10 -5
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@@ -38,7 +38,7 @@ public final class ThreadReferenceProxyImpl extends ObjectReferenceProxyImpl imp
private String myName;
private int myFrameCount = -1;
// stack frames, 0 - bottom
private final List<StackFrameProxyImpl> myFramesFromBottom = new ArrayList<StackFrameProxyImpl>();
private final LinkedList<StackFrameProxyImpl> myFramesFromBottom = new LinkedList<StackFrameProxyImpl>();
//cache build on the base of myFramesFromBottom 0 - top, initially nothing is cached
private List<StackFrameProxyImpl> myFrames = null;
@@ -236,11 +236,11 @@ public final class ThreadReferenceProxyImpl extends ObjectReferenceProxyImpl imp
}
private void checkFrames(@NotNull final ThreadReference threadRef) throws EvaluateException {
if (myFramesFromBottom.size() < frameCount()) {
int count = frameCount();
int frameCount = frameCount();
if (myFramesFromBottom.size() < frameCount) {
List<StackFrame> frames;
try {
frames = threadRef.frames(0, count - myFramesFromBottom.size());
frames = threadRef.frames(0, frameCount - myFramesFromBottom.size());
}
catch (IncompatibleThreadStateException e) {
throw EvaluateExceptionUtil.createEvaluateException(e);
@@ -250,11 +250,16 @@ public final class ThreadReferenceProxyImpl extends ObjectReferenceProxyImpl imp
}
int index = myFramesFromBottom.size() + 1;
for (ListIterator<StackFrame> iterator = frames.listIterator(count - myFramesFromBottom.size()); iterator.hasPrevious();) {
for (ListIterator<StackFrame> iterator = frames.listIterator(frameCount - myFramesFromBottom.size()); iterator.hasPrevious();) {
myFramesFromBottom.add(new StackFrameProxyImpl(this, iterator.previous(), index));
index++;
}
}
else { // avoid leaking frames
while (myFramesFromBottom.size() > frameCount) {
myFramesFromBottom.removeLast();
}
}
}
@Override