/// <summary>
/// Creates copy of read-only metadata of runnig assembly to enable changes.
/// </summary>
/// <param name="roEmitter">Read-only version of metadata.</param>
/// <returns>Editable copy of metadata.</returns>
private unsafe IMetaDataEmit createEmitterCopy(IMetaDataEmit roEmitter)
{
Object objDispenser, objEmitter = null;
ulong saveSize;
byte[] metadataBuffer;
roEmitter.GetSaveSize((uint)CorSaveSize.cssAccurate, out saveSize);
metadataBuffer = new byte[saveSize];
roEmitter.SaveToMemory(metadataBuffer, saveSize);
int hResult = NativeMethods.CoCreateInstance(ref dispenserClassID, null, 1, ref dispenserIID, out objDispenser);
if (hResult == 0)
{
IMetaDataDispenser dispenser = (IMetaDataDispenser)objDispenser;
UInt32 fVal = 0x01;
object val = (object)fVal;
dispenser.SetOption(ref metaDataSetENC, ref val);
fixed(byte *buff = metadataBuffer)
{
dispenser.OpenScopeOnMemory(new IntPtr(buff), (uint)metadataBuffer.Length, CorOpenFlags.ofRead, ref emitterIID, out objEmitter);
}
oldDispenser = dispenser;
}
return((IMetaDataEmit)objEmitter);
}
/// <summary>
/// Initialize's instances of <c>ISymUnmanagedReader</c> and <c>ISymUnmanagedWriter</c> interfaces.
/// The first is used to read symbols from the new assembly and second for writing part of it with tokens
/// relative to the old assembly.
/// </summary>
/// <param name="oldEmitter"><c>IMetaDataEmit</c> instance relative to the old running assembly.</param>
/// <param name="newImporter"><c>IMetaDataImport</c> instance relative to the new background-compiled assembly.</param>
public void Initialize(IMetaDataEmit oldEmitter, IMetaDataImport newImporter)
{
DeltaPDBPath = manager.ResourceManager.TemporaryPath + "temp";
IntPtr pFilename = Marshal.StringToCoTaskMemUni(manager.ResourceManager.NewAssemblyPath);
IntPtr pFilename2 = Marshal.StringToCoTaskMemUni(DeltaPDBPath + ".exe");
IntPtr pPath = Marshal.StringToCoTaskMemUni("");
try
{
mReader.Initialize(newImporter, pFilename, pPath, null);
mWriter.Initialize(oldEmitter, pFilename2, stream, 0);
State = WriterState.Building;
}
catch (System.Exception e)
{
throw new TranslatingException(DeltaPDBPath + ";" + e.Message);
}
finally
{
Marshal.FreeCoTaskMem(pFilename2);
Marshal.FreeCoTaskMem(pFilename);
Marshal.FreeCoTaskMem(pPath);
}
}
public uint TranslateSigWithScope(IntPtr pAssemImport, IntPtr pbHashValue, uint cbHashValue, IMetaDataImport import, IntPtr pbSigBlob, uint cbSigBlob, IntPtr pAssemEmit, IMetaDataEmit emit, IntPtr pvTranslatedSig, uint cbTranslatedSigMax)
{
throw new NotImplementedException();
}
unsafe uint IMetaDataEmit.TranslateSigWithScope(IntPtr pAssemImport, void *pbHashValue, uint cbHashValue,
IMetaDataImport import, byte *pbSigBlob, uint cbSigBlob, IntPtr pAssemEmit, IMetaDataEmit emit, byte *pvTranslatedSig, uint cbTranslatedSigMax)
{
throw new NotImplementedException();
}
public uint TranslateSigWithScope(IntPtr pAssemImport, IntPtr pbHashValue, uint cbHashValue, IMetaDataImport import, IntPtr pbSigBlob, uint cbSigBlob, IntPtr pAssemEmit, IMetaDataEmit emit, IntPtr pvTranslatedSig, uint cbTranslatedSigMax)
{
throw new NotImplementedException ();
}
unsafe uint IMetaDataEmit.TranslateSigWithScope(IntPtr pointerAssemImport, void *bytePointerHashValue, uint byteCountHashValue,
IMetaDataImport import, byte *bytePointerSigBlob, uint byteCountSigBlob, IntPtr pointerAssemEmit, IMetaDataEmit emit, byte *voidPointerTranslatedSig, uint byteCountTranslatedSigMax)
{
throw new NotImplementedException();
}
/// <summary>
/// Initialize's instances of <c>ISymUnmanagedReader</c> and <c>ISymUnmanagedWriter</c> interfaces.
/// The first is used to read symbols from the new assembly and second for writing part of it with tokens
/// relative to the old assembly.
/// </summary>
/// <param name="oldEmitter"><c>IMetaDataEmit</c> instance relative to the old running assembly.</param>
/// <param name="newImporter"><c>IMetaDataImport</c> instance relative to the new background-compiled assembly.</param>
public void Initialize(IMetaDataEmit oldEmitter,IMetaDataImport newImporter)
{
DeltaPDBPath = manager.ResourceManager.TemporaryPath + "temp";
IntPtr pFilename = Marshal.StringToCoTaskMemUni(manager.ResourceManager.NewAssemblyPath);
IntPtr pFilename2 = Marshal.StringToCoTaskMemUni(DeltaPDBPath + ".exe");
IntPtr pPath = Marshal.StringToCoTaskMemUni("");
try
{
mReader.Initialize(newImporter, pFilename, pPath, null);
mWriter.Initialize(oldEmitter, pFilename2, stream, 0);
State = WriterState.Building;
}
catch (System.Exception e)
{
throw new TranslatingException(DeltaPDBPath + ";" + e.Message) ;
}
finally
{
Marshal.FreeCoTaskMem(pFilename2);
Marshal.FreeCoTaskMem(pFilename);
Marshal.FreeCoTaskMem(pPath);
}
}
/// <summary>
/// Creates copy of read-only metadata of runnig assembly to enable changes.
/// </summary>
/// <param name="roEmitter">Read-only version of metadata.</param>
/// <returns>Editable copy of metadata.</returns>
private unsafe IMetaDataEmit createEmitterCopy(IMetaDataEmit roEmitter)
{
Object objDispenser, objEmitter = null;
ulong saveSize;
byte[] metadataBuffer;
roEmitter.GetSaveSize((uint)CorSaveSize.cssAccurate,out saveSize);
metadataBuffer = new byte[saveSize];
roEmitter.SaveToMemory(metadataBuffer, saveSize);
int hResult = NativeMethods.CoCreateInstance(ref dispenserClassID, null, 1, ref dispenserIID, out objDispenser);
if (hResult == 0)
{
IMetaDataDispenser dispenser = (IMetaDataDispenser)objDispenser;
UInt32 fVal = 0x01;
object val = (object)fVal;
dispenser.SetOption(ref metaDataSetENC, ref val);
fixed(byte* buff = metadataBuffer){
dispenser.OpenScopeOnMemory(new IntPtr(buff), (uint)metadataBuffer.Length,CorOpenFlags.ofRead, ref emitterIID, out objEmitter);
}
oldDispenser = dispenser;
}
return (IMetaDataEmit)objEmitter;
}
public MetaDataEmitter(IMetaDataEmit emitter)
{
this.emitter = emitter;
}
public MetaDataEmitter(IMetaDataEmit emitter)
{
this.emitter = emitter;
}
