/// <summary>
/// Extracts the method signature from the metadata by rid
/// </summary>
public R2RMethod(int index, MetadataReader mdReader, uint rid, int entryPointId, CorElementType[] instanceArgs, uint[] tok, FixupCell[] fixups)
{
Index = index;
Token = _mdtMethodDef | rid;
Rid = rid;
EntryPointRuntimeFunctionId = entryPointId;
_mdReader = mdReader;
RuntimeFunctions = new List <RuntimeFunction>();
// get the method signature from the MethodDefhandle
MethodDefinitionHandle methodDefHandle = MetadataTokens.MethodDefinitionHandle((int)rid);
_methodDef = mdReader.GetMethodDefinition(methodDefHandle);
Name = mdReader.GetString(_methodDef.Name);
BlobReader signatureReader = mdReader.GetBlobReader(_methodDef.Signature);
TypeDefinitionHandle declaringTypeHandle = _methodDef.GetDeclaringType();
DeclaringType = MetadataNameFormatter.FormatHandle(mdReader, declaringTypeHandle);
SignatureHeader signatureHeader = signatureReader.ReadSignatureHeader();
IsGeneric = signatureHeader.IsGeneric;
GenericParameterHandleCollection genericParams = _methodDef.GetGenericParameters();
_genericParamInstanceMap = new Dictionary <string, string>();
int argCount = signatureReader.ReadCompressedInteger();
if (IsGeneric)
{
argCount = signatureReader.ReadCompressedInteger();
}
Fixups = fixups;
DisassemblingTypeProvider provider = new DisassemblingTypeProvider();
if (IsGeneric && instanceArgs != null && tok != null)
{
InitGenericInstances(genericParams, instanceArgs, tok);
}
DisassemblingGenericContext genericContext = new DisassemblingGenericContext(new string[0], _genericParamInstanceMap.Values.ToArray());
Signature = _methodDef.DecodeSignature(provider, genericContext);
SignatureString = GetSignature();
}
/// <summary>
/// Extracts the method signature from the metadata by rid
/// </summary>
public R2RMethod(byte[] image, MetadataReader mdReader, uint rid, int entryPointId, GenericElementTypes[] instanceArgs, uint[] tok)
{
Token = _mdtMethodDef | rid;
Rid = rid;
EntryPointRuntimeFunctionId = entryPointId;
_mdReader = mdReader;
RuntimeFunctions = new List <RuntimeFunction>();
// get the method signature from the MethodDefhandle
MethodDefinitionHandle methodDefHandle = MetadataTokens.MethodDefinitionHandle((int)rid);
_methodDef = mdReader.GetMethodDefinition(methodDefHandle);
Name = mdReader.GetString(_methodDef.Name);
BlobReader signatureReader = mdReader.GetBlobReader(_methodDef.Signature);
TypeDefinitionHandle declaringTypeHandle = _methodDef.GetDeclaringType();
TypeDefinition declaringTypeDef;
while (!declaringTypeHandle.IsNil)
{
declaringTypeDef = mdReader.GetTypeDefinition(declaringTypeHandle);
DeclaringType = mdReader.GetString(declaringTypeDef.Name) + "." + DeclaringType;
declaringTypeHandle = declaringTypeDef.GetDeclaringType();
}
NamespaceDefinitionHandle namespaceHandle = declaringTypeDef.NamespaceDefinition;
while (!namespaceHandle.IsNil)
{
NamespaceDefinition namespaceDef = mdReader.GetNamespaceDefinition(namespaceHandle);
DeclaringType = mdReader.GetString(namespaceDef.Name) + "." + DeclaringType;
namespaceHandle = namespaceDef.Parent;
}
SignatureHeader signatureHeader = signatureReader.ReadSignatureHeader();
IsGeneric = signatureHeader.IsGeneric;
GenericParameterHandleCollection genericParams = _methodDef.GetGenericParameters();
_genericParamInstanceMap = new Dictionary <string, string>();
int argCount = signatureReader.ReadCompressedInteger();
if (IsGeneric)
{
argCount = signatureReader.ReadCompressedInteger();
}
DisassemblingTypeProvider provider = new DisassemblingTypeProvider();
if (IsGeneric && instanceArgs != null && tok != null)
{
InitGenericInstances(genericParams, instanceArgs, tok);
}
DisassemblingGenericContext genericContext = new DisassemblingGenericContext(new string[0], _genericParamInstanceMap.Values.ToArray());
Signature = _methodDef.DecodeSignature(provider, genericContext);
SignatureString = GetSignature();
}
/// <summary>
/// Extracts the method signature from the metadata by rid
/// </summary>
public R2RMethod(
int index,
R2RReader r2rReader,
EntityHandle methodHandle,
int entryPointId,
string owningType,
string constrainedType,
string[] instanceArgs,
FixupCell[] fixups)
{
Index = index;
MethodHandle = methodHandle;
EntryPointRuntimeFunctionId = entryPointId;
R2RReader = r2rReader;
RuntimeFunctions = new List <RuntimeFunction>();
EntityHandle owningTypeHandle;
GenericParameterHandleCollection genericParams = default(GenericParameterHandleCollection);
DisassemblingGenericContext genericContext = new DisassemblingGenericContext(typeParameters: Array.Empty <string>(), methodParameters: instanceArgs);
DisassemblingTypeProvider typeProvider = new DisassemblingTypeProvider();
// get the method signature from the method handle
switch (MethodHandle.Kind)
{
case HandleKind.MethodDefinition:
{
MethodDefinition methodDef = R2RReader.MetadataReader.GetMethodDefinition((MethodDefinitionHandle)MethodHandle);
Name = R2RReader.MetadataReader.GetString(methodDef.Name);
Signature = methodDef.DecodeSignature <string, DisassemblingGenericContext>(typeProvider, genericContext);
owningTypeHandle = methodDef.GetDeclaringType();
genericParams = methodDef.GetGenericParameters();
}
break;
case HandleKind.MemberReference:
{
MemberReference memberRef = R2RReader.MetadataReader.GetMemberReference((MemberReferenceHandle)MethodHandle);
Name = R2RReader.MetadataReader.GetString(memberRef.Name);
Signature = memberRef.DecodeMethodSignature <string, DisassemblingGenericContext>(typeProvider, genericContext);
owningTypeHandle = memberRef.Parent;
}
break;
default:
throw new NotImplementedException();
}
if (owningType != null)
{
DeclaringType = owningType;
}
else
{
DeclaringType = MetadataNameFormatter.FormatHandle(R2RReader.MetadataReader, owningTypeHandle);
}
Fixups = fixups;
StringBuilder sb = new StringBuilder();
sb.Append(Signature.ReturnType);
sb.Append(" ");
sb.Append(DeclaringType);
sb.Append(".");
sb.Append(Name);
if (Signature.GenericParameterCount != 0)
{
sb.Append("<");
for (int i = 0; i < Signature.GenericParameterCount; i++)
{
if (i > 0)
{
sb.Append(", ");
}
if (instanceArgs != null && instanceArgs.Length > i)
{
sb.Append(instanceArgs[i]);
}
else
{
sb.Append("!");
sb.Append(i);
}
}
sb.Append(">");
}
sb.Append("(");
for (int i = 0; i < Signature.ParameterTypes.Length; i++)
{
if (i > 0)
{
sb.Append(", ");
}
sb.AppendFormat($"{Signature.ParameterTypes[i]}");
}
sb.Append(")");
SignatureString = sb.ToString();
}
