public TypeRef ResolveParameter(AssemblyDef assembly, ParamDef declaringParameter)
{
TypeRef typeRef = null;
if (_isTypeSigniture)
{
TypeSignatureToken typeToken = Tokens.Last() as TypeSignatureToken;
typeRef = typeToken.ResolveType(assembly, declaringParameter);
}
else
{
typeRef = _elementType.ResolveToken(assembly);
}
return(typeRef);
}
/// <summary>
/// Method which performs the actual conversion of a signiture to a cref string.
/// </summary>
/// <param name="sb">The string builder to hold the converted text</param>
/// <param name="assembly">The assembly the current parameter is defined in</param>
/// <param name="param">The parameter definition, required for token resolution</param>
/// <param name="currentToken">The current token to converty</param>
/// <param name="elementType">The type of element the token represents</param>
/// <param name="resolvedType">The resolved type for this token.</param>
private void Convert(StringBuilder sb, AssemblyDef assembly, ParamDef param, SignatureToken currentToken, ElementTypes elementType, TypeRef resolvedType)
{
StringBuilder convertedSigniture = sb;
if (currentToken.TokenType == SignatureTokens.Param)
{
ParamSignatureToken paramToken = currentToken as ParamSignatureToken;
SignatureToken childToken = paramToken.Tokens[paramToken.Tokens.Count - 1];
if (childToken.TokenType == SignatureTokens.Type)
{
currentToken = childToken;
elementType = ((TypeSignatureToken)childToken).ElementType.ElementType;
}
else
{
currentToken = childToken;
elementType = ((ElementTypeSignatureToken)childToken).ElementType;
}
}
TypeSignatureToken typeToken = currentToken as TypeSignatureToken;
ElementTypeSignatureToken elementToken = currentToken as ElementTypeSignatureToken;
switch (elementType)
{
case ElementTypes.Var: ConvertVar(convertedSigniture, typeToken.ElementType.Token, param); break;
case ElementTypes.MVar: ConvertMVar(convertedSigniture, typeToken.ElementType.Token, param); break;
case ElementTypes.SZArray:
// TODO: Fix the custom modifier section
if (typeToken.Tokens[0] is CustomModifierToken)
{
NotImplementedException ex = new NotImplementedException("Custom modifiers are not implemented on SZArray");
ex.Data["token"] = currentToken;
throw ex;
}
ElementTypes szArrayElementType;
if (typeToken.Tokens[1].TokenType == SignatureTokens.Type)
{
szArrayElementType = ((TypeSignatureToken)typeToken.Tokens[1]).ElementType.ElementType;
}
else
{
szArrayElementType = ((ElementTypeSignatureToken)typeToken.Tokens[1]).ElementType;
}
Convert(
sb,
assembly,
param,
typeToken.Tokens[1],
szArrayElementType,
resolvedType);
convertedSigniture.Append("[]");
break;
case ElementTypes.Array:
ArrayShapeSignatureToken shape = typeToken.Tokens.Last() as ArrayShapeSignatureToken;
ConvertArray(convertedSigniture, resolvedType, shape);
break;
case ElementTypes.GenericInstance:
TypeRef genericType = ((ElementTypeSignatureToken)typeToken.Tokens[1]).ResolveToken(assembly);
GetTypeName(convertedSigniture, genericType);
GenericArgumentCountSignatureToken argsCount = typeToken.GetGenericArgumentCount();
bool isFirstArgument = true;
if (argsCount.Count > 0)
{
sb.Append(GenericStart);
for (int j = 0; j < argsCount.Count; j++)
{
if (isFirstArgument)
{
isFirstArgument = false;
}
else
{
sb.Append(",");
}
TypeRef argResolvedType;
ElementTypes elType;
if (typeToken.Tokens[j + 3].TokenType == SignatureTokens.ElementType)
{
ElementTypeSignatureToken gESig = (ElementTypeSignatureToken)typeToken.Tokens[j + 3];
argResolvedType = gESig.ResolveToken(assembly);
elType = gESig.ElementType;
}
else
{
TypeSignatureToken gTSig = (TypeSignatureToken)typeToken.Tokens[j + 3];
argResolvedType = gTSig.ResolveType(assembly, param);
elType = gTSig.ElementType.ElementType;
}
Convert(
sb,
assembly,
param,
typeToken.Tokens[j + 3],
elType,
argResolvedType);
}
sb.Append(GenericEnd);
}
break;
case ElementTypes.Class:
case ElementTypes.ValueType:
case ElementTypes.Char:
case ElementTypes.I:
case ElementTypes.I1:
case ElementTypes.I2:
case ElementTypes.I4:
case ElementTypes.I8:
case ElementTypes.Object:
case ElementTypes.R4:
case ElementTypes.R4_HFA:
case ElementTypes.R8:
case ElementTypes.R8_HFA:
case ElementTypes.String:
case ElementTypes.U:
case ElementTypes.U1:
case ElementTypes.U2:
case ElementTypes.U4:
case ElementTypes.U8:
case ElementTypes.TypedByRef:
case ElementTypes.Boolean:
GetTypeName(convertedSigniture, resolvedType);
break;
case ElementTypes.Ptr:
GetTypeName(convertedSigniture, resolvedType);
convertedSigniture.Append("*");
break;
case ElementTypes.FunctionPointer:
NotImplementedException fnPtrEx = new NotImplementedException("Function Pointer is not implemented yet.");
fnPtrEx.Data["token"] = currentToken;
throw fnPtrEx;
}
}
public TypeDetails GetTypeDetails(ReflectedMember member)
{
TypeDetails details = new TypeDetails();
if (ElementType.ElementType == ElementTypes.SZArray)
{
TypeSignatureToken childType = Tokens.Last() as TypeSignatureToken;
details.ArrayOf = childType.GetTypeDetails(member);
details.IsArray = true;
}
else if (
ElementType.ElementType == ElementTypes.Class ||
ElementType.ElementType == ElementTypes.ValueType
)
{
details.Type = ElementType.ResolveToken(member.Assembly);
}
else if (ElementType.ElementType == ElementTypes.GenericInstance)
{
ElementTypeSignatureToken childType = Tokens[1] as ElementTypeSignatureToken;
details.Type = childType.ResolveToken(member.Assembly);
details.IsGenericInstance = true;
details.GenericParameters = new List <TypeDetails>();
for (int i = 3; i < GetGenericArgumentCount().Count + 3; i++)
{
if (Tokens[i].TokenType == SignatureTokens.Type)
{
details.GenericParameters.Add(
((TypeSignatureToken)Tokens[i]).GetTypeDetails(member)
);
}
else
{
TypeDetails genericParameter = new TypeDetails();
genericParameter.Type = ((ElementTypeSignatureToken)Tokens[i]).ResolveToken(member.Assembly);
details.GenericParameters.Add(genericParameter);
}
}
}
else if (ElementType.ElementType == ElementTypes.Ptr)
{
if (Tokens[1].TokenType == SignatureTokens.Type)
{
TypeSignatureToken childType = Tokens[1] as TypeSignatureToken;
details = childType.GetTypeDetails(member);
}
else
{
ElementTypeSignatureToken childType = Tokens[1] as ElementTypeSignatureToken;
details.Type = childType.ResolveToken(member.Assembly);
}
details.IsPointer = true;
}
else if (ElementType.ElementType == ElementTypes.Array)
{
if (Tokens[1].TokenType == SignatureTokens.Type)
{
TypeSignatureToken childType = Tokens[1] as TypeSignatureToken;
details.ArrayOf = childType.GetTypeDetails(member);
}
else
{
ElementTypeSignatureToken childType = Tokens[1] as ElementTypeSignatureToken;
details.ArrayOf = new TypeDetails();
details.ArrayOf.Type = childType.ResolveToken(member.Assembly);
}
details.IsMultidemensionalArray = true;
details.ArrayShape = (ArrayShapeSignatureToken)Tokens.Find(t => t.TokenType == SignatureTokens.ArrayShape);
}
else if (ElementType.ElementType == ElementTypes.MVar)
{
details.Type = ResolveType(member.Assembly, member);
}
else if (ElementType.ElementType == ElementTypes.Var)
{
details.Type = ResolveType(member.Assembly, member);
}
else if (ElementType.Definition != null)
{
details.Type = ElementType.Definition as TypeRef;
}
return(details);
}
/// <summary>
/// Attempts to resolve the type.
/// </summary>
/// <param name="assembly"></param>
/// <param name="parameter"></param>
/// <returns></returns>
internal TypeRef ResolveType(AssemblyDef assembly, ParamDef parameter)
{
TypeRef type = null;
if (ElementType.ElementType == ElementTypes.SZArray)
{
TypeSignatureToken childType = Tokens.Last() as TypeSignatureToken;
type = childType.ResolveType(assembly, parameter);
}
else if (
ElementType.ElementType == ElementTypes.Class ||
ElementType.ElementType == ElementTypes.ValueType
)
{
type = (TypeRef)assembly.ResolveMetadataToken(ElementType.Token);
}
else if (ElementType.ElementType == ElementTypes.GenericInstance)
{
ElementTypeSignatureToken childType = Tokens[1] as ElementTypeSignatureToken;
type = childType.ResolveToken(assembly);
}
else if (ElementType.ElementType == ElementTypes.Ptr)
{
if (Tokens[1].TokenType == SignatureTokens.Type)
{
TypeSignatureToken childType = Tokens[1] as TypeSignatureToken;
type = childType.ResolveType(assembly, parameter);
}
else
{
ElementTypeSignatureToken childType = Tokens[1] as ElementTypeSignatureToken;
type = childType.ResolveToken(assembly);
}
}
else if (ElementType.ElementType == ElementTypes.Array)
{
if (Tokens[1].TokenType == SignatureTokens.Type)
{
TypeSignatureToken childType = Tokens[1] as TypeSignatureToken;
type = childType.ResolveType(assembly, parameter);
}
else
{
ElementTypeSignatureToken childType = (ElementTypeSignatureToken)this.Tokens[1];
type = childType.ResolveToken(assembly);
}
}
else if (ElementType.ElementType == ElementTypes.MVar)
{
type = parameter.Method.GenericTypes[(int)ElementType.Token];
}
else if (ElementType.ElementType == ElementTypes.Var)
{
List <GenericTypeRef> genericParameters = ((TypeDef)parameter.Method.Type).GenericTypes;
if (genericParameters.Count < ElementType.Token)
{
throw new InvalidOperationException("The generic token refers to a parameter that is not available.");
}
type = genericParameters[(int)ElementType.Token];
}
else if (ElementType.Definition != null)
{
type = ElementType.Definition as TypeRef;
}
return(type);
}
/// <summary>
/// Attempts to resolve the type.
/// </summary>
/// <param name="assembly"></param>
/// <param name="member"></param>
/// <returns></returns>
internal TypeRef ResolveType(AssemblyDef assembly, ReflectedMember member)
{
TypeRef type = null;
if (ElementType.ElementType == ElementTypes.SZArray)
{
TypeSignatureToken childType = (TypeSignatureToken)Tokens.Last();
type = childType.ResolveType(assembly, member);
}
else if (
ElementType.ElementType == ElementTypes.Class ||
ElementType.ElementType == ElementTypes.ValueType
)
{
type = (TypeRef)assembly.ResolveMetadataToken(ElementType.Token);
}
else if (ElementType.ElementType == ElementTypes.GenericInstance)
{
ElementTypeSignatureToken childType = (ElementTypeSignatureToken)Tokens[1];
type = childType.ResolveToken(assembly);
}
else if (ElementType.ElementType == ElementTypes.Ptr)
{
if (Tokens[1].TokenType == SignatureTokens.Type)
{
TypeSignatureToken childType = (TypeSignatureToken)Tokens[1];
type = childType.ResolveType(assembly, member);
}
else
{
ElementTypeSignatureToken childType = (ElementTypeSignatureToken)Tokens[1];
type = childType.ResolveToken(assembly);
}
}
else if (ElementType.ElementType == ElementTypes.Array)
{
if (Tokens[1].TokenType == SignatureTokens.Type)
{
TypeSignatureToken childType = (TypeSignatureToken)Tokens[1];
type = childType.ResolveType(assembly, member);
}
else
{
ElementTypeSignatureToken childType = (ElementTypeSignatureToken)Tokens[1];
type = childType.ResolveToken(assembly);
}
}
else if (ElementType.ElementType == ElementTypes.MVar)
{
MethodDef method = member as MethodDef;
if (method == null)
{
InvalidOperationException ex = new InvalidOperationException(
string.Format(
"A MethodDef was expected for type resolution in the signiture but a {0} was provided.",
member.GetType().ToString()
));
throw ex;
}
type = method.GenericTypes[(int)ElementType.Token];
}
else if (ElementType.ElementType == ElementTypes.Var)
{
// Anything that contains a Type property will do here
TypeDef theType;
if (member is MethodDef)
{
// a method may define its own parameters
theType = (TypeDef)((MethodDef)member).Type;
}
else if (member is PropertyDef)
{
theType = ((PropertyDef)member).OwningType;
}
else if (member is FieldDef)
{
theType = (TypeDef)((FieldDef)member).Type;
}
else if (member is EventDef)
{
theType = ((EventDef)member).Type;
}
else if (member is TypeSpec)
{
theType = ((TypeSpec)member).ImplementingType;
}
else
{
InvalidOperationException ex = new InvalidOperationException(
string.Format(
"A ReflectedMember that is contained by a TypeDef was expected for type resolution in the signiture but a {0} was provided.",
member.GetType().ToString()
));
throw ex;
}
List <GenericTypeRef> genericParameters = theType.GenericTypes;
if (genericParameters.Count < ElementType.Token)
{
throw new InvalidOperationException("The generic token refers to a parameter that is not available.");
}
type = genericParameters[(int)ElementType.Token];
}
else if (ElementType.Definition != null)
{
type = (TypeRef)ElementType.Definition;
}
return(type);
}
