/*
* Copyright 2000-2013 JetBrains s.r.o.
* Copyright 2014-2014 AS3Boyan
* Copyright 2014-2014 Elias Ku
*
* 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.intellij.plugins.haxe.runner.debugger.hxcpp;
import com.intellij.execution.ExecutionResult;
import com.intellij.execution.process.ProcessHandler;
import com.intellij.execution.ui.ConsoleView;
import com.intellij.execution.ui.ConsoleViewContentType;
import com.intellij.execution.ui.ExecutionConsole;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.module.Module;
import com.intellij.openapi.util.Pair;
import com.intellij.plugins.haxe.runner.debugger.HXCPPRemoteDebugState;
import com.intellij.plugins.haxe.runner.debugger.HaxeDebuggerEditorsProvider;
import com.intellij.plugins.haxe.runner.debugger.hxcpp.connection.HXCPPConnection;
import com.intellij.plugins.haxe.runner.debugger.hxcpp.connection.HXCPPResponse;
import com.intellij.plugins.haxe.runner.debugger.hxcpp.frame.HXCPPStackFrame;
import com.intellij.plugins.haxe.runner.debugger.hxcpp.frame.HXCPPSuspendContext;
import com.intellij.util.io.socketConnection.AbstractResponseHandler;
import com.intellij.util.io.socketConnection.AbstractResponseToRequestHandler;
import com.intellij.util.io.socketConnection.ConnectionStatus;
import com.intellij.util.io.socketConnection.SocketConnectionListener;
import com.intellij.xdebugger.XDebugProcess;
import com.intellij.xdebugger.XDebugSession;
import com.intellij.xdebugger.XSourcePosition;
import com.intellij.xdebugger.breakpoints.XBreakpointHandler;
import com.intellij.xdebugger.evaluation.XDebuggerEditorsProvider;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
/**
* @author: Fedor.Korotkov
*/
public class HXCPPDebugProcess extends XDebugProcess implements SocketConnectionListener {
private static final Logger LOG = Logger.getInstance(HXCPPDebugProcess.class.getName());
@Nullable private ExecutionResult myExecutionResult;
private final HXCPPConnection myConnection = new HXCPPConnection();
private final HXCPPBreakpointsHandler myBreakpointsHandler;
private final Module myModule;
private final LinkedList<Pair<String[], AbstractResponseToRequestHandler<HXCPPResponse>>> commandsToWrite =
new LinkedList<Pair<String[], AbstractResponseToRequestHandler<HXCPPResponse>>>() {
@Override
public synchronized Pair<String[], AbstractResponseToRequestHandler<HXCPPResponse>> removeFirst() {
waitForData();
return super.removeFirst();
}
@Override
public synchronized void addFirst(final Pair<String[], AbstractResponseToRequestHandler<HXCPPResponse>> debuggerCommand) {
super.addFirst(debuggerCommand);
notify();
}
@Override
public synchronized void addLast(final Pair<String[], AbstractResponseToRequestHandler<HXCPPResponse>> debuggerCommand) {
super.addLast(debuggerCommand);
notify();
}
private void waitForData() {
try {
while (size() == 0) {
wait();
}
}
catch (InterruptedException ex) {
throw new RuntimeException(ex);
}
}
};
public void setExecutionResult(ExecutionResult executionResult) {
if (executionResult instanceof HXCPPRemoteDebugState.HXCPPRemoteDebugProcessHandler) {
((HXCPPRemoteDebugState.HXCPPRemoteDebugProcessHandler)executionResult).setRemoteDebugProcess(this);
}
myExecutionResult = executionResult;
}
@Override
protected ProcessHandler doGetProcessHandler() {
return myExecutionResult != null ? myExecutionResult.getProcessHandler() : null;
}
@NotNull
@Override
public ExecutionConsole createConsole() {
if (myExecutionResult != null) {
return myExecutionResult.getExecutionConsole();
}
return super.createConsole();
}
public HXCPPDebugProcess(@NotNull XDebugSession session, Module module, int debuggingPort)
throws IOException {
super(session);
myBreakpointsHandler = new HXCPPBreakpointsHandler(this);
myModule = module;
startCommandProcessingThread(debuggingPort);
}
public Module getModule() {
return myModule;
}
private void startCommandProcessingThread(final int debuggingPort) {
ApplicationManager.getApplication().executeOnPooledThread(new Runnable() {
public void run() {
myConnection.connect(debuggingPort);
myConnection.addListener(HXCPPDebugProcess.this);
myConnection.registerHandler(new AbstractResponseHandler<HXCPPResponse>() {
@Override
public void processResponse(HXCPPResponse response) {
HXCPPDebugProcess.this.processResponse(response);
}
});
try {
myConnection.open();
}
catch (IOException ignored) {
LOG.warn(ignored);
return;
}
while (true) {
processOneCommandLoop();
}
}
});
}
private void processOneCommandLoop() {
final Pair<String[], AbstractResponseToRequestHandler<HXCPPResponse>> command = commandsToWrite.removeFirst();
myConnection.sendCommand(command.getSecond(), command.getFirst());
}
public void processResponse(HXCPPResponse response) {
LOG.debug("processResponse:" + response.toString());
final String command = response.getResponseString();
if (command != null && command.contains("stopped.")) {
sendCommand(new AbstractResponseToRequestHandler<HXCPPResponse>() {
@Override
public boolean processResponse(HXCPPResponse response) {
if (!response.getResponseString().contains("Must break first.")) {
tryParseAndBreak(response);
}
else {
// known bug. try one more time
sendCommand(new AbstractResponseToRequestHandler<HXCPPResponse>() {
@Override
public boolean processResponse(HXCPPResponse response) {
tryParseAndBreak(response);
return true;
}
}, "where");
}
return true;
}
}, "where");
}
}
private void tryParseAndBreak(HXCPPResponse response) {
final List<HXCPPStackFrame> stackFrames = HXCPPStackFrame.parse(this, response.getResponseString());
if (!stackFrames.isEmpty()) {
getSession().positionReached(new HXCPPSuspendContext(this, stackFrames));
}
}
@NotNull
@Override
public XDebuggerEditorsProvider getEditorsProvider() {
return new HaxeDebuggerEditorsProvider();
}
public XBreakpointHandler<?>[] getBreakpointHandlers() {
return myBreakpointsHandler.getBreakpointHandlers();
}
@Override
public void statusChanged(ConnectionStatus status) {
printToConsole(status.getStatusText());
if (status == ConnectionStatus.DISCONNECTED) {
getSession().stop();
}
}
private void printToConsole(String msg) {
if (myExecutionResult != null) {
ExecutionConsole console = myExecutionResult.getExecutionConsole();
if (console instanceof ConsoleView) {
((ConsoleView)console).print(msg + "\n", ConsoleViewContentType.SYSTEM_OUTPUT);
}
}
}
@Override
public void startStepOver() {
}
@Override
public void startStepInto() {
}
@Override
public void startStepOut() {
}
public void sendCommand(@Nullable final AbstractResponseToRequestHandler<HXCPPResponse> requestHandler, String... args) {
commandsToWrite.addLast(Pair.create(args, requestHandler));
}
@Override
public void stop() {
myConnection.close();
}
@Override
public void resume() {
sendCommand(null, "c");
}
@Override
public void startPausing() {
}
@Override
public void runToPosition(@NotNull XSourcePosition position) {
}
}