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/*
* Copyright 2000-2009 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @author Eugene Zhuravlev
*/
package com.intellij.debugger.actions;
import com.intellij.debugger.DebuggerBundle;
import com.intellij.debugger.engine.DebugProcessImpl;
import com.intellij.debugger.engine.JavaStackFrame;
import com.intellij.debugger.engine.SuspendContextImpl;
import com.intellij.debugger.impl.DebuggerContextImpl;
import com.intellij.debugger.jdi.StackFrameProxyImpl;
import com.intellij.debugger.jdi.VirtualMachineProxyImpl;
import com.intellij.debugger.ui.impl.watch.*;
import com.intellij.idea.ActionsBundle;
import com.intellij.openapi.actionSystem.ActionPlaces;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.actionSystem.CommonDataKeys;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.xdebugger.XDebugSession;
import com.intellij.xdebugger.XDebuggerManager;
import com.intellij.xdebugger.frame.XStackFrame;
import com.sun.jdi.InvalidStackFrameException;
import com.sun.jdi.NativeMethodException;
import com.sun.jdi.VMDisconnectedException;
import org.jetbrains.annotations.Nullable;
public class PopFrameAction extends DebuggerAction {
public void actionPerformed(AnActionEvent e) {
Project project = e.getData(CommonDataKeys.PROJECT);
StackFrameProxyImpl stackFrame = getStackFrameProxy(e);
if(stackFrame == null) {
return;
}
try {
DebuggerContextImpl debuggerContext = DebuggerAction.getDebuggerContext(e.getDataContext());
DebugProcessImpl debugProcess = debuggerContext.getDebugProcess();
if(debugProcess == null) {
return;
}
debugProcess.getManagerThread().schedule(debugProcess.createPopFrameCommand(debuggerContext, stackFrame));
}
catch (NativeMethodException e2){
Messages.showMessageDialog(project, DebuggerBundle.message("error.native.method.exception"), ActionsBundle.actionText(DebuggerActions.POP_FRAME), Messages.getErrorIcon());
}
catch (InvalidStackFrameException ignored) {
}
catch(VMDisconnectedException vde) {
}
}
@Nullable
private static StackFrameProxyImpl getStackFrameProxy(AnActionEvent e) {
DebuggerTreeNodeImpl selectedNode = getSelectedNode(e.getDataContext());
if(selectedNode != null) {
NodeDescriptorImpl descriptor = selectedNode.getDescriptor();
if(descriptor instanceof StackFrameDescriptorImpl) {
if(selectedNode.getNextSibling() != null) {
StackFrameDescriptorImpl frameDescriptor = ((StackFrameDescriptorImpl)descriptor);
return frameDescriptor.getFrameProxy();
}
return null;
}
else if(descriptor instanceof ThreadDescriptorImpl || descriptor instanceof ThreadGroupDescriptorImpl) {
return null;
}
}
Project project = e.getProject();
if (project != null) {
XDebugSession session = XDebuggerManager.getInstance(project).getCurrentSession();
if (session != null) {
XStackFrame frame = session.getCurrentStackFrame();
if (frame instanceof JavaStackFrame) {
StackFrameProxyImpl proxy = ((JavaStackFrame)frame).getStackFrameProxy();
return !proxy.isBottom() ? proxy : null;
}
}
}
DebuggerContextImpl debuggerContext = DebuggerAction.getDebuggerContext(e.getDataContext());
StackFrameProxyImpl frameProxy = debuggerContext.getFrameProxy();
if(frameProxy == null || frameProxy.isBottom()) {
return null;
}
return frameProxy;
}
private static boolean isAtBreakpoint(AnActionEvent e) {
DebuggerTreeNodeImpl selectedNode = getSelectedNode(e.getDataContext());
if(selectedNode != null && selectedNode.getDescriptor() instanceof StackFrameDescriptorImpl) {
DebuggerTreeNodeImpl parent = selectedNode.getParent();
if(parent != null) {
return ((ThreadDescriptorImpl)parent.getDescriptor()).isAtBreakpoint();
}
}
DebuggerContextImpl debuggerContext = DebuggerAction.getDebuggerContext(e.getDataContext());
SuspendContextImpl suspendContext = debuggerContext.getSuspendContext();
return suspendContext != null && debuggerContext.getThreadProxy() == suspendContext.getThread();
}
public void update(AnActionEvent e) {
boolean enable = false;
StackFrameProxyImpl stackFrameProxy = getStackFrameProxy(e);
if(stackFrameProxy != null && isAtBreakpoint(e)) {
VirtualMachineProxyImpl virtualMachineProxy = stackFrameProxy.getVirtualMachine();
enable = virtualMachineProxy.canPopFrames();
}
if(ActionPlaces.MAIN_MENU.equals(e.getPlace()) || ActionPlaces.DEBUGGER_TOOLBAR.equals(e.getPlace())) {
e.getPresentation().setEnabled(enable);
}
else {
e.getPresentation().setVisible(enable);
}
}
}
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