using System;

using System.Diagnostics;

using System.Runtime.InteropServices;

using Microsoft.VisualStudio;

using Microsoft.VisualStudio.Debugger.Interop;

using Microsoft.VisualStudio.Shell;

using PowerShellTools.Common.Logging;

namespace PowerShellTools.DebugEngine

{

// This class implments IDebugProgramProvider2.

// This registered interface allows the session debug manager (SDM) to obtain information about programs

// that have been "published" through the IDebugProgramPublisher2 interface.

[ComVisible(true)]

[ProvideClass]

[Guid("08F3B557-C153-4F6C-8745-227439E55E79")]

public class ScriptProgramProvider : IDebugProgramProvider2

{

private static readonly ILog Log = LogManager.GetLogger(typeof(ScriptProgramProvider));

#region Implementation of IDebugProgramProvider2

public int GetProviderProcessData(enum_PROVIDER_FLAGS Flags, IDebugDefaultPort2 pPort, AD_PROCESS_ID ProcessId, CONST_GUID_ARRAY EngineFilter, PROVIDER_PROCESS_DATA[] pProcess)

{

Log.Debug("ProgramProvider: GetProviderProcessData");

try

{

if (Flags.HasFlag(enum_PROVIDER_FLAGS.PFLAG_GET_PROGRAM_NODES))

{

if(PowerShellToolsPackage.DebuggingService.IsAttachable(ProcessId.dwProcessId))

{

var node = new ScriptProgramNode(new ScriptDebugProcess(pPort, ProcessId.dwProcessId));

var programNodes = new[] { Marshal.GetComInterfaceForObject(node, typeof(IDebugProgramNode2)) };

var destinationArray = Marshal.AllocCoTaskMem(IntPtr.Size * programNodes.Length);

Marshal.Copy(programNodes, 0, destinationArray, programNodes.Length);

pProcess[0].Fields = enum_PROVIDER_FIELDS.PFIELD_PROGRAM_NODES;

pProcess[0].ProgramNodes.Members = destinationArray;

pProcess[0].ProgramNodes.dwCount = (uint)programNodes.Length;

return VSConstants.S_OK;

}

}

}

catch (Exception ex)

{

Log.Debug("Exception while examining local running process: " + ex.Message);

}

return VSConstants.S_FALSE;

}

public int GetProviderProgramNode(enum_PROVIDER_FLAGS Flags, IDebugDefaultPort2 pPort, AD_PROCESS_ID ProcessId, ref Guid guidEngine, ulong programId, out IDebugProgramNode2 ppProgramNode)

{

Log.Debug("ProgramProvider: GetProviderProgramNode");

ppProgramNode = null;

return VSConstants.S_OK;

}

public int WatchForProviderEvents(enum_PROVIDER_FLAGS Flags, IDebugDefaultPort2 pPort, AD_PROCESS_ID ProcessId, CONST_GUID_ARRAY EngineFilter, ref Guid guidLaunchingEngine, IDebugPortNotify2 pEventCallback)

{

Log.Debug("ProgramProvider: WatchForProviderEvents");

return VSConstants.S_OK;

}

// Establishes a locale for any language-specific resources needed by the DE. This engine only supports Enu.

int IDebugProgramProvider2.SetLocale(ushort wLangID)

{

Log.Debug("ProgramProvider: SetLocale");

return VSConstants.S_OK;

}

#endregion

}

}