/// <summary>
/// Parse an arbitrary method signature.
/// </summary>
/// <param name="builder">Output string builder to receive the textual signature representation</param>
private void ParseMethod(StringBuilder builder)
{
uint methodFlags = ReadUInt();
string owningTypeOverride = null;
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_OwnerType) != 0)
{
SignatureDecoder owningTypeDecoder = new SignatureDecoder(_metadataReader, _image, _offset);
owningTypeOverride = owningTypeDecoder.ReadTypeSignature();
_offset = owningTypeDecoder._offset;
}
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_SlotInsteadOfToken) != 0)
{
throw new NotImplementedException();
}
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MemberRefToken) != 0)
{
ParseMethodRefToken(builder, owningTypeOverride: owningTypeOverride);
}
else
{
ParseMethodDefToken(builder, owningTypeOverride: owningTypeOverride);
}
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MethodInstantiation) != 0)
{
uint typeArgCount = ReadUInt();
builder.Append("<");
for (int typeArgIndex = 0; typeArgIndex < typeArgCount; typeArgIndex++)
{
if (typeArgIndex != 0)
{
builder.Append(", ");
}
ParseType(builder);
}
builder.Append(">");
}
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_Constrained) != 0)
{
builder.Append(" @ ");
ParseType(builder);
}
}
/// <summary>
/// Initialize generic method instances with argument types and runtime function indices from InstanceMethodEntrypoints
/// </summary>
private void ParseInstanceMethodEntrypoints(bool[] isEntryPoint)
{
if (!R2RHeader.Sections.ContainsKey(R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS))
{
return;
}
R2RSection instMethodEntryPointSection = R2RHeader.Sections[R2RSection.SectionType.READYTORUN_SECTION_INSTANCE_METHOD_ENTRYPOINTS];
int instMethodEntryPointsOffset = GetOffset(instMethodEntryPointSection.RelativeVirtualAddress);
NativeParser parser = new NativeParser(Image, (uint)instMethodEntryPointsOffset);
NativeHashtable instMethodEntryPoints = new NativeHashtable(Image, parser, (uint)(instMethodEntryPointsOffset + instMethodEntryPointSection.Size));
NativeHashtable.AllEntriesEnumerator allEntriesEnum = instMethodEntryPoints.EnumerateAllEntries();
NativeParser curParser = allEntriesEnum.GetNext();
while (!curParser.IsNull())
{
SignatureDecoder decoder = new SignatureDecoder(this, (int)curParser.Offset);
string owningType = null;
uint methodFlags = decoder.ReadUInt();
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_OwnerType) != 0)
{
owningType = decoder.ReadTypeSignature();
}
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_SlotInsteadOfToken) != 0)
{
throw new NotImplementedException();
}
EntityHandle methodHandle;
int rid = (int)decoder.ReadUInt();
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MemberRefToken) != 0)
{
methodHandle = MetadataTokens.MemberReferenceHandle(rid);
}
else
{
methodHandle = MetadataTokens.MethodDefinitionHandle(rid);
}
string[] methodTypeArgs = null;
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_MethodInstantiation) != 0)
{
uint typeArgCount = decoder.ReadUInt();
methodTypeArgs = new string[typeArgCount];
for (int typeArgIndex = 0; typeArgIndex < typeArgCount; typeArgIndex++)
{
methodTypeArgs[typeArgIndex] = decoder.ReadTypeSignature();
}
}
string constrainedType = null;
if ((methodFlags & (uint)ReadyToRunMethodSigFlags.READYTORUN_METHOD_SIG_Constrained) != 0)
{
constrainedType = decoder.ReadTypeSignature();
}
int runtimeFunctionId;
FixupCell[] fixups;
GetRuntimeFunctionIndexFromOffset((int)decoder.Offset, out runtimeFunctionId, out fixups);
R2RMethod method = new R2RMethod(R2RMethods.Count, this, methodHandle, runtimeFunctionId, owningType, constrainedType, methodTypeArgs, fixups);
if (method.EntryPointRuntimeFunctionId >= 0 && method.EntryPointRuntimeFunctionId < isEntryPoint.Length)
{
isEntryPoint[method.EntryPointRuntimeFunctionId] = true;
}
R2RMethods.Add(method);
InstanceMethods.Add(new InstanceMethod(curParser.LowHashcode, method));
curParser = allEntriesEnum.GetNext();
}
}