//
// PdbHelper.cs
//
// Author:
// Jb Evain (jbevain@gmail.com)
//
// (C) 2006 Jb Evain
//
// 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.
//
// from: http://blogs.msdn.com/jmstall/articles/sample_pdb2xml.aspx
namespace Mono.Cecil.Pdb {
using System;
using System.Diagnostics.SymbolStore;
using System.IO;
using System.Runtime.InteropServices;
class PdbHelper {
[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_dispenserClassID = new Guid (0xe5cb7a31, 0x7512, 0x11d2, 0x89, 0xce, 0x00, 0x80, 0xc7, 0x92, 0xe5, 0xd8);
static Guid s_dispenserIID = new Guid (0x809c652e, 0x7396, 0x11d2, 0x97, 0x71, 0x00, 0xa0, 0xc9, 0xb4, 0xd5, 0x0c);
static Guid s_importerIID = new Guid (0x7dac8207, 0xd3ae, 0x4c75, 0x9b, 0x67, 0x92, 0x80, 0x1a, 0x49, 0x7d, 0x44);
public static ISymbolReader CreateReader (string filename)
{
SymBinder binder;
object objImporter;
IMetaDataDispenser dispenser = InstantiateDispenser (out binder);
dispenser.OpenScope (filename, 0, ref s_importerIID, out objImporter);
return InstantiateReader (binder, filename, objImporter);
}
public static ISymbolReader CreateReader (string filename, byte [] binaryFile)
{
SymBinder binder;
object objImporter;
IntPtr filePtr = Marshal.AllocHGlobal (binaryFile.Length);
Marshal.Copy (binaryFile, 0, filePtr, binaryFile.Length);
IMetaDataDispenser dispenser = InstantiateDispenser (out binder);
dispenser.OpenScopeOnMemory (filePtr, (uint) binaryFile.Length, 0, ref s_importerIID, out objImporter);
return InstantiateReader (binder, filename, objImporter);
}
static IMetaDataDispenser InstantiateDispenser (out SymBinder binder)
{
binder = new SymBinder ();
object dispenser;
CoCreateInstance (ref s_dispenserClassID, null, 1, ref s_dispenserIID, out dispenser);
return (IMetaDataDispenser) dispenser;
}
static ISymbolReader InstantiateReader (SymBinder binder, string filename, object objImporter)
{
IntPtr importerPtr = IntPtr.Zero;
ISymbolReader reader;
try {
importerPtr = Marshal.GetComInterfaceForObject (objImporter, typeof (IMetadataImport));
reader = binder.GetReader (importerPtr, filename, null);
} finally {
if (importerPtr != IntPtr.Zero)
Marshal.Release (importerPtr);
}
return reader;
}
public static SymWriter CreateWriter (string assembly, string pdb)
{
SymWriter writer = new SymWriter ();
object objDispenser, objImporter;
CoCreateInstance (ref s_dispenserClassID, null, 1, ref s_dispenserIID, out objDispenser);
IMetaDataDispenser dispenser = (IMetaDataDispenser) objDispenser;
dispenser.OpenScope (assembly, 1, ref s_importerIID, out objImporter);
IntPtr importerPtr = Marshal.GetComInterfaceForObject (objImporter, typeof (IMetadataImport));
try {
if (File.Exists (pdb))
File.Delete (pdb);
writer.Initialize (importerPtr, pdb, false);
} finally {
if (importerPtr != IntPtr.Zero) {
Marshal.Release (importerPtr);
Marshal.ReleaseComObject (objDispenser);
Marshal.ReleaseComObject (objImporter);
Marshal.ReleaseComObject (dispenser);
}
}
return writer;
}
}
}
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