source: branches/CodeEditor/HeuristicLab.ExtLibs/HeuristicLab.Cecil/0.9.5/Mono.Cecil-0.9.5/Symbols/Mono.Cecil.Pdb/Mono.Cecil.Pdb/SymWriter.cs @ 11700

//
// SymWriter.cs
//
// Author:
//   Juerg Billeter (j@bitron.ch)
//
// (C) 2008 Juerg Billeter
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections.Generic;
using System.Diagnostics.SymbolStore;
using System.Runtime.InteropServices;

using Mono.Cecil.Cil;
using Mono.Collections.Generic;

#if !READ_ONLY

namespace Mono.Cecil.Pdb
{
  internal class SymWriter
  {
    [DllImport("ole32.dll")]
    static extern int CoCreateInstance (
      [In] ref Guid rclsid,
      [In, MarshalAs (UnmanagedType.IUnknown)] object pUnkOuter,
      [In] uint dwClsContext,
      [In] ref Guid riid,
      [Out, MarshalAs (UnmanagedType.Interface)] out object ppv);

    static Guid s_symUnmangedWriterIID = new Guid("0b97726e-9e6d-4f05-9a26-424022093caa");
    static Guid s_CorSymWriter_SxS_ClassID = new Guid ("108296c1-281e-11d3-bd22-0000f80849bd");

    readonly ISymUnmanagedWriter2 m_writer;
    readonly Collection<ISymUnmanagedDocumentWriter> documents;

    public SymWriter ()
    {
      object objWriter;
      CoCreateInstance (ref s_CorSymWriter_SxS_ClassID, null, 1, ref s_symUnmangedWriterIID, out objWriter);

      m_writer = (ISymUnmanagedWriter2) objWriter;
      documents = new Collection<ISymUnmanagedDocumentWriter> ();
    }

    public byte[] GetDebugInfo (out ImageDebugDirectory idd)
    {
      int size;

      // get size of debug info
      m_writer.GetDebugInfo (out idd, 0, out size, null);

      byte[] debug_info = new byte[size];
      m_writer.GetDebugInfo (out idd, size, out size, debug_info);

      return debug_info;
    }

    public void DefineLocalVariable2 (
      string name,
      FieldAttributes attributes,
      SymbolToken sigToken,
      SymAddressKind addrKind,
      int addr1,
      int addr2,
      int addr3,
      int startOffset,
      int endOffset)
    {
      m_writer.DefineLocalVariable2 (name, (int)attributes, sigToken, (int)addrKind, addr1, addr2, addr3, startOffset, endOffset);
    }

    public void Close ()
    {
      m_writer.Close ();
      Marshal.ReleaseComObject (m_writer);

      foreach (var document in documents)
        Marshal.ReleaseComObject (document);
    }

    public void CloseMethod ()
    {
      m_writer.CloseMethod ();
    }

    public void CloseNamespace ()
    {
      m_writer.CloseNamespace ();
    }

    public void CloseScope (int endOffset)
    {
      m_writer.CloseScope (endOffset);
    }

    public SymDocumentWriter DefineDocument (string url, Guid language, Guid languageVendor, Guid documentType)
    {
      ISymUnmanagedDocumentWriter unmanagedDocumentWriter;
      m_writer.DefineDocument (url, ref language, ref languageVendor, ref documentType, out unmanagedDocumentWriter);

      documents.Add (unmanagedDocumentWriter);
      return new SymDocumentWriter (unmanagedDocumentWriter);
    }

    public void DefineParameter (string name, ParameterAttributes attributes, int sequence, SymAddressKind addrKind, int addr1, int addr2, int addr3)
    {
      throw new Exception ("The method or operation is not implemented.");
    }

    public void DefineSequencePoints (SymDocumentWriter document, int[] offsets, int[] lines, int[] columns, int[] endLines, int[] endColumns)
    {
      m_writer.DefineSequencePoints (document.GetUnmanaged(), offsets.Length, offsets, lines, columns, endLines, endColumns);
    }

    public void Initialize (object emitter, string filename, bool fFullBuild)
    {
      m_writer.Initialize (emitter, filename, null, fFullBuild);
    }

    public void SetUserEntryPoint (SymbolToken method)
    {
      m_writer.SetUserEntryPoint (method);
    }

    public void OpenMethod (SymbolToken method)
    {
      m_writer.OpenMethod (method);
    }

    public void OpenNamespace (string name)
    {
      m_writer.OpenNamespace (name);
    }

    public int OpenScope (int startOffset)
    {
      int result;
      m_writer.OpenScope (startOffset, out result);
      return result;
    }

    public void UsingNamespace (string fullName)
    {
      m_writer.UsingNamespace (fullName);
    }
  }
}

#endif