/// <summary>
/// Constructor
/// </summary>
/// <param name="metaData">Metadata</param>
public MDEmitter(MetaData metaData)
{
this.metaData = metaData;
// We could get these from the metadata tables but it's just easier to get name,
// declaring type etc using TypeDef and MethodDef.
tokenToTypeDef = new Dictionary <uint, TypeDef>(metaData.TablesHeap.TypeDefTable.Rows);
tokenToMethodDef = new Dictionary <uint, MethodDef>(metaData.TablesHeap.MethodTable.Rows);
foreach (var type in metaData.Module.GetTypes())
{
if (type == null)
{
continue;
}
tokenToTypeDef.Add(new MDToken(Table.TypeDef, metaData.GetRid(type)).Raw, type);
foreach (var method in type.Methods)
{
if (method == null)
{
continue;
}
tokenToMethodDef.Add(new MDToken(Table.Method, metaData.GetRid(method)).Raw, method);
}
}
}
unsafe void IMetaDataImport.GetMethodProps(uint mb, uint *pClass, ushort *szMethod, uint cchMethod, uint *pchMethod, uint *pdwAttr, IntPtr *ppvSigBlob, uint *pcbSigBlob, uint *pulCodeRVA, uint *pdwImplFlags)
{
if (mb >> 24 != 0x06)
{
throw new ArgumentException();
}
var method = tokenToMethodDef[mb];
var row = metaData.TablesHeap.MethodTable[mb & 0x00FFFFFF];
if (pClass != null)
{
*pClass = new MDToken(Table.TypeDef, metaData.GetRid(method.DeclaringType)).Raw;
}
if (pdwAttr != null)
{
*pdwAttr = row.Flags;
}
if (ppvSigBlob != null)
{
*ppvSigBlob = IntPtr.Zero;
}
if (pcbSigBlob != null)
{
*pcbSigBlob = 0;
}
if (pulCodeRVA != null)
{
*pulCodeRVA = row.RVA;
}
if (pdwImplFlags != null)
{
*pdwImplFlags = row.ImplFlags;
}
var name = method.Name.String ?? string.Empty;
var len = (int)Math.Min((uint)name.Length + 1, cchMethod);
if (szMethod != null)
{
for (var i = 0; i < len - 1; i++, szMethod++)
{
*szMethod = name[i];
}
if (len > 0)
{
*szMethod = 0;
}
}
if (pchMethod != null)
{
*pchMethod = (uint)len;
}
}