public virtual IType CreateInstantiatedGenericType(IType type, IList <IReturnType> genericArguments)
{
if (genericArguments == null || type == null || type is InstantiatedType)
{
return(type);
}
string name = DomType.GetInstantiatedTypeName(type.FullName, genericArguments);
lock (instantiatedTypeCache) {
IType gtype;
if (instantiatedTypeCache.TryGetValue(name, out gtype))
{
return(gtype);
}
gtype = DomType.CreateInstantiatedGenericTypeInternal(type, genericArguments);
instantiatedTypeCache [name] = gtype;
return(gtype);
}
}
public void ExtensionMethodTest()
{
// build "T MyMethod<T, S> (this KeyValuePair<T, S> a, S b)"
DomMethod method = new DomMethod();
method.Name = "MyMethod";
method.ReturnType = new DomReturnType("T");
method.AddTypeParameter(new TypeParameter("T"));
method.AddTypeParameter(new TypeParameter("S"));
DomReturnType returnType = new DomReturnType("KeyValuePair");
returnType.AddTypeParameter(new DomReturnType("T"));
returnType.AddTypeParameter(new DomReturnType("S"));
method.Add(new DomParameter(method, "a", returnType));
method.Add(new DomParameter(method, "b", new DomReturnType("S")));
// Build extendet type KeyValuePair<int, object>
DomType type = new DomType("KeyValuePair");
type.AddTypeParameter(new TypeParameter("T"));
type.AddTypeParameter(new TypeParameter("S"));
IType extType = DomType.CreateInstantiatedGenericTypeInternal(type, new IReturnType[] { DomReturnType.Int32, DomReturnType.Object });
Console.WriteLine(extType);
// extend method
List <IReturnType> genArgs = new List <IReturnType> ();
List <IReturnType> args = new List <IReturnType> ();
ExtensionMethod extMethod = new ExtensionMethod(extType, method, genArgs, args);
Console.WriteLine(extMethod);
// check
Assert.AreEqual(DomReturnType.Int32.FullName, extMethod.ReturnType.FullName);
Assert.AreEqual(DomReturnType.Object.FullName, extMethod.Parameters[0].ReturnType.FullName);
}
