458 lines
12 KiB
C#
458 lines
12 KiB
C#
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// <file>
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// <copyright see="prj:///doc/copyright.txt"/>
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// <license see="prj:///doc/license.txt"/>
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// <owner name="David Srbecký" email="dsrbecky@gmail.com"/>
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// <version>$Revision: 2285 $</version>
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// </file>
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using System;
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using System.Collections.Generic;
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using Microsoft.Win32.SafeHandles;
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using Debugger.Wrappers.CorDebug;
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using System.Diagnostics;
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using System.Runtime.InteropServices;
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using System.ComponentModel;
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using System.ComponentModel.Design;
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using System.IO;
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using System.Text;
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namespace Debugger
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{
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[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto, Pack=8), ComVisible(false)]
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public class STARTUPINFO
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{
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public int cb;
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public string lpReserved;
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public string lpDesktop;
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public string lpTitle;
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public int dwX;
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public int dwY;
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public int dwXSize;
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public int dwYSize;
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public int dwXCountChars;
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public int dwYCountChars;
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public int dwFillAttribute;
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public int dwFlags;
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public short wShowWindow;
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public short cbReserved2;
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public IntPtr lpReserved2;
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public SafeFileHandle hStdInput;
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public SafeFileHandle hStdOutput;
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public SafeFileHandle hStdError;
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}
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public delegate void DataReceivedEventHandler(object sender, DataReceivedEventArgs e);
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public partial class Process: DebuggerObject, IExpirable
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{
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NDebugger debugger;
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ICorDebugProcess corProcess;
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ManagedCallback callbackInterface;
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Thread selectedThread;
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PauseSession pauseSession;
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bool hasExpired = false;
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public event EventHandler Expired;
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public event DataReceivedEventHandler OutputDataReceived;
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public event DataReceivedEventHandler ErrorDataReceived;
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public bool HasExpired {
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get {
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return hasExpired;
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}
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}
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private StreamWriter standardInput;
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public StreamWriter StandardInput
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{
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get
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{
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return standardInput;
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}
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set
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{
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standardInput = value;
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}
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}
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private StreamReader standardOutput;
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public StreamReader StandardOutput
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{
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get
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{
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return standardOutput;
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}
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set
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{
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standardOutput = value;
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}
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}
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private StreamReader standardError;
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public StreamReader StandardError
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{
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get
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{
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return standardError;
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}
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set
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{
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standardError = value;
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}
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}
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internal void NotifyHasExpired()
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{
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if(!hasExpired) {
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hasExpired = true;
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if (Expired != null) {
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Expired(this, new ProcessEventArgs(this));
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}
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// if (PausedReason == PausedReason.Exception) {
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// ExceptionEventArgs args = new ExceptionEventArgs(this, SelectedThread.CurrentException);
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// OnExceptionThrown(args);
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//// if (args.Continue) {
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//// this.Continue();
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//// }
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// }
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debugger.RemoveProcess(this);
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}
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}
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/// <summary>
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/// Indentification of the current debugger session. This value changes whenever debugger is continued
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/// </summary>
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public PauseSession PauseSession {
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get {
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return pauseSession;
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}
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}
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public void NotifyPaused(PauseSession pauseSession)
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{
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this.pauseSession = pauseSession;
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}
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public NDebugger Debugger {
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get {
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return debugger;
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}
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}
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internal ManagedCallback CallbackInterface {
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get {
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return callbackInterface;
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}
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}
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internal Process(NDebugger debugger, ICorDebugProcess corProcess)
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{
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this.debugger = debugger;
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this.corProcess = corProcess;
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this.callbackInterface = new ManagedCallback(this);
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}
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internal ICorDebugProcess CorProcess {
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get {
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return corProcess;
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}
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}
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public uint Id {
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get {
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return corProcess.ID;
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}
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}
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public Thread SelectedThread {
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get {
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return selectedThread;
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}
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set {
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selectedThread = value;
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}
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}
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static public Process CreateProcess(NDebugger debugger, string filename, string workingDirectory, string arguments)
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{
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return debugger.MTA2STA.Call<Process>(delegate{
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return StartInternal(debugger, filename, workingDirectory, arguments);
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});
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}
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private static void CreatePipeWithSecurityAttributes(out SafeFileHandle hReadPipe, out SafeFileHandle hWritePipe, SECURITY_ATTRIBUTES lpPipeAttributes, int nSize)
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{
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if ((!CreatePipe(out hReadPipe, out hWritePipe, lpPipeAttributes, nSize) || hReadPipe.IsInvalid) || hWritePipe.IsInvalid)
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{
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throw new Win32Exception();
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}
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}
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[DllImport("kernel32.dll", CharSet=CharSet.Auto, SetLastError=true)]
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private static extern bool CreatePipe(out SafeFileHandle hReadPipe, out SafeFileHandle hWritePipe, SECURITY_ATTRIBUTES lpPipeAttributes, int nSize);
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[DllImport("kernel32.dll", CharSet=CharSet.Auto, SetLastError=true)]
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private static extern int GetConsoleCP();
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[DllImport("kernel32.dll", CharSet=CharSet.Auto, SetLastError=true)]
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private static extern int GetConsoleOutputCP();
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[DllImport("kernel32.dll", CharSet=CharSet.Ansi, SetLastError=true)]
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private static extern IntPtr GetCurrentProcess();
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[DllImport("kernel32.dll", CharSet=CharSet.Ansi, SetLastError=true)]
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private static extern bool DuplicateHandle(HandleRef hSourceProcessHandle, SafeHandle hSourceHandle, HandleRef hTargetProcess, out SafeFileHandle targetHandle, int dwDesiredAccess, bool bInheritHandle, int dwOptions);
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[StructLayout(LayoutKind.Sequential)]
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internal class SECURITY_ATTRIBUTES
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{
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public int nLength;
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public int lpSecurityDescriptor;
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public bool bInheritHandle;
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}
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private static void CreatePipe(out SafeFileHandle parentHandle, out SafeFileHandle childHandle, bool parentInputs)
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{
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SECURITY_ATTRIBUTES lpPipeAttributes = new SECURITY_ATTRIBUTES();
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lpPipeAttributes.bInheritHandle = true;
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SafeFileHandle hWritePipe = null;
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parentHandle = null;
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try
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{
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if (parentInputs)
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{
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CreatePipeWithSecurityAttributes(out childHandle, out hWritePipe, lpPipeAttributes, 0);
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parentHandle = hWritePipe;
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}
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else
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{
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CreatePipeWithSecurityAttributes(out hWritePipe, out childHandle, lpPipeAttributes, 0);
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parentHandle = hWritePipe;
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}
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// if (!DuplicateHandle(new HandleRef(this, GetCurrentProcess()), hWritePipe, new HandleRef(this, GetCurrentProcess()), out parentHandle, 0, false, 2))
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// {
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// throw new Win32Exception();
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// }
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}
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finally
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{
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// if ((hWritePipe != null) && !hWritePipe.IsInvalid)
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// {
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// hWritePipe.Close();
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// }
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}
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}
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static unsafe Process StartInternal(NDebugger debugger, string filename, string workingDirectory, string arguments)
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{
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debugger.TraceMessage("Executing " + filename);
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uint[] processStartupInfo = new uint[17];
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processStartupInfo[0] = sizeof(uint) * 17;
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uint[] processInfo = new uint[4];
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SafeFileHandle prnt_inp;
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SafeFileHandle prnt_out;
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SafeFileHandle prnt_err;
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SafeFileHandle input_handle;
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SafeFileHandle output_handle;
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SafeFileHandle err_handle;
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// CreatePipe(out prnt_out,out output_handle,false);
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// CreatePipe(out prnt_inp,out input_handle,true);
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STARTUPINFO startupInfo = new STARTUPINFO();
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startupInfo.cb = Marshal.SizeOf(startupInfo);
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SECURITY_ATTRIBUTES lpPipeAttributes = new SECURITY_ATTRIBUTES();
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lpPipeAttributes.bInheritHandle = true;
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//CreatePipe(out output_handle, out input_handle,lpPipeAttributes,0);
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CreatePipe(out prnt_inp, out input_handle, true);
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CreatePipe(out prnt_out, out output_handle, false);
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CreatePipe(out prnt_err, out err_handle, false);
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startupInfo.hStdInput = input_handle;
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startupInfo.hStdOutput = output_handle;
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startupInfo.hStdError = err_handle;
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ICorDebugProcess outProcess;
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// processStartupInfo[14] = (uint)GCHandle.Alloc(input_handle,GCHandleType.Pinned).AddrOfPinnedObject().ToInt32();
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// processStartupInfo[15] = (uint)GCHandle.Alloc(output_handle,GCHandleType.Pinned).AddrOfPinnedObject().ToInt32();
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StreamWriter standardInput = new StreamWriter(new FileStream(prnt_inp, FileAccess.Write, 0x1000, false), Encoding.GetEncoding(GetConsoleCP()), 0x1000);
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standardInput.AutoFlush = true;
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Encoding encoding = Encoding.GetEncoding(GetConsoleOutputCP());
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StreamReader standardOutput = new StreamReader(new FileStream(prnt_out, FileAccess.Read, 0x1000, false), encoding, true, 0x1000);
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StreamReader errorOutput = new StreamReader(new FileStream(prnt_err, FileAccess.Read, 0x1000, false), encoding, true, 0x1000);
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if (workingDirectory == null || workingDirectory == "") {
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workingDirectory = System.IO.Path.GetDirectoryName(filename);
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}
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fixed (uint* pprocessStartupInfo = processStartupInfo)
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fixed (uint* pprocessInfo = processInfo)
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outProcess =
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debugger.CorDebug.CreateProcess(
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filename, // lpApplicationName
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// If we do not prepend " ", the first argument migh just get lost
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" " + arguments, // lpCommandLine
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ref _SECURITY_ATTRIBUTES.Default, // lpProcessAttributes
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ref _SECURITY_ATTRIBUTES.Default, // lpThreadAttributes
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1,//TRUE // bInheritHandles
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//0x00000010 /*CREATE_NEW_CONSOLE*/, // dwCreationFlags
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0x08000000,
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IntPtr.Zero, // lpEnvironment
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workingDirectory, // lpCurrentDirectory
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startupInfo,
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//(uint)pprocessStartupInfo, // lpStartupInfo
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(uint)pprocessInfo, // lpProcessInformation,
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CorDebugCreateProcessFlags.DEBUG_NO_SPECIAL_OPTIONS // debuggingFlags
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);
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Process p = new Process(debugger, outProcess);
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p.StandardInput = standardInput;
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p.StandardOutput = standardOutput;
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p.StandardError = errorOutput;
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return p;
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}
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public void Break()
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{
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AssertRunning();
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corProcess.Stop(100); // TODO: Hardcoded value
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pauseSession = new PauseSession(PausedReason.ForcedBreak);
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// TODO: Code duplication from enter callback
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// Remove expired threads and functions
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foreach(Thread thread in this.Threads) {
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thread.CheckExpiration();
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}
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Pause(true);
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}
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public void Continue()
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{
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try
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{
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AssertPaused();
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pauseSession.NotifyHasExpired();
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pauseSession = null;
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OnDebuggingResumed();
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corProcess.Continue(0);
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}
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catch(System.Exception e)
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{
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}
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}
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public void Terminate()
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{
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// Resume stoped tread
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if (this.IsPaused) {
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// We might get more callbacks so we should maintain consistent sate
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this.Continue(); // TODO: Remove this...
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}
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// Expose race condition - drain callback queue
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System.Threading.Thread.Sleep(0);
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// Stop&terminate - both must be called
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corProcess.Stop(100); // TODO: ...and this
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corProcess.Terminate(0);
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}
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public bool IsRunning {
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get {
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return pauseSession == null;
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}
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}
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public bool IsPaused {
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get {
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return !IsRunning;
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|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void AssertPaused()
|
|||
|
|
{
|
|||
|
|
if (IsRunning) {
|
|||
|
|
throw new DebuggerException("Process is not paused.");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void AssertRunning()
|
|||
|
|
{
|
|||
|
|
if (IsPaused) {
|
|||
|
|
throw new DebuggerException("Process is not running.");
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
public string DebuggeeVersion {
|
|||
|
|
get {
|
|||
|
|
return debugger.DebuggeeVersion;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// Fired when System.Diagnostics.Trace.WriteLine() is called in debuged process
|
|||
|
|
/// </summary>
|
|||
|
|
public event EventHandler<MessageEventArgs> LogMessage;
|
|||
|
|
|
|||
|
|
protected internal virtual void OnLogMessage(MessageEventArgs arg)
|
|||
|
|
{
|
|||
|
|
TraceMessage ("Debugger event: OnLogMessage");
|
|||
|
|
if (LogMessage != null) {
|
|||
|
|
LogMessage(this, arg);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public void TraceMessage(string message)
|
|||
|
|
{
|
|||
|
|
System.Diagnostics.Debug.WriteLine("Debugger:" + message);
|
|||
|
|
debugger.OnDebuggerTraceMessage(new MessageEventArgs(this, message));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public SourcecodeSegment NextStatement {
|
|||
|
|
get {
|
|||
|
|
if (SelectedFunction == null || IsRunning) {
|
|||
|
|
return null;
|
|||
|
|
} else {
|
|||
|
|
return SelectedFunction.NextStatement;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
public NamedValueCollection LocalVariables {
|
|||
|
|
get {
|
|||
|
|
if (SelectedFunction == null || IsRunning) {
|
|||
|
|
return NamedValueCollection.Empty;
|
|||
|
|
} else {
|
|||
|
|
return SelectedFunction.Variables;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary> Gets value of given name which is accessible from selected function </summary>
|
|||
|
|
/// <returns> Null if not found </returns>
|
|||
|
|
public NamedValue GetValue(string name)
|
|||
|
|
{
|
|||
|
|
if (SelectedFunction == null || IsRunning) {
|
|||
|
|
return null;
|
|||
|
|
} else {
|
|||
|
|
return SelectedFunction.GetValue(name);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|