| /* |
| * Copyright 2000-2013 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. |
| */ |
| package com.jetbrains.python.debugger; |
| |
| import com.intellij.xdebugger.frame.XExecutionStack; |
| import com.intellij.xdebugger.frame.XStackFrame; |
| import org.jetbrains.annotations.NotNull; |
| |
| import java.util.Collections; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| |
| public class PyExecutionStack extends XExecutionStack { |
| |
| private final PyDebugProcess myDebugProcess; |
| private final PyThreadInfo myThreadInfo; |
| private PyStackFrame myTopFrame; |
| |
| public PyExecutionStack(@NotNull final PyDebugProcess debugProcess, @NotNull final PyThreadInfo threadInfo) { |
| super(threadInfo.getName()); |
| myDebugProcess = debugProcess; |
| myThreadInfo = threadInfo; |
| } |
| |
| @Override |
| public PyStackFrame getTopFrame() { |
| if (myTopFrame == null) { |
| final List<PyStackFrameInfo> frames = myThreadInfo.getFrames(); |
| if (frames != null) { |
| myTopFrame = convert(myDebugProcess, frames.get(0)); |
| } |
| } |
| return myTopFrame; |
| } |
| |
| @Override |
| public void computeStackFrames(int firstFrameIndex, XStackFrameContainer container) { |
| if (myThreadInfo.getState() != PyThreadInfo.State.SUSPENDED) { |
| container.errorOccurred("Frames not available in non-suspended state"); |
| return; |
| } |
| |
| final List<PyStackFrameInfo> frames = myThreadInfo.getFrames(); |
| if (frames != null && firstFrameIndex <= frames.size()) { |
| final List<PyStackFrame> xFrames = new LinkedList<PyStackFrame>(); |
| for (int i = firstFrameIndex; i < frames.size(); i++) { |
| xFrames.add(convert(myDebugProcess, frames.get(i))); |
| } |
| container.addStackFrames(xFrames, true); |
| } |
| else { |
| container.addStackFrames(Collections.<XStackFrame>emptyList(), true); |
| } |
| } |
| |
| private static PyStackFrame convert(final PyDebugProcess debugProcess, final PyStackFrameInfo frameInfo) { |
| return debugProcess.createStackFrame(frameInfo); |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| PyExecutionStack that = (PyExecutionStack)o; |
| |
| if (myThreadInfo != null ? !myThreadInfo.equals(that.myThreadInfo) : that.myThreadInfo != null) return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return myThreadInfo != null ? myThreadInfo.hashCode() : 0; |
| } |
| } |