public void ResolveExtensionMethods()
{
// Console.WriteLine (" --- Resolve extension");
// Console.WriteLine ("---Args:");
// foreach (var arg in arguments)
// Console.WriteLine (arg);
// Console.WriteLine ("---GenArgs:");
// if (genericArguments != null) {
// foreach (var arg in genericArguments)
// Console.WriteLine (arg);
// } else {
// Console.WriteLine ("<null>");
// }
Debug.Assert(originalMethods.Count == methods.Count);
for (int i = 0; i < originalMethods.Count; i++)
{
if (originalMethods[i] is ExtensionMethod) // Extension methods are already resolved & instantiated.
{
methods[i] = originalMethods[i];
}
else if (!StaticUsage && originalMethods[i].IsExtension && Type != null)
{
methods[i] = new ExtensionMethod(Type, originalMethods[i], genericArguments, arguments);
}
else
{
methods[i] = DomMethod.CreateInstantiatedGenericMethod(originalMethods[i], genericArguments, arguments);
}
}
// Console.WriteLine ("-- end resolve extension.");
}
public IMethod Extends(ProjectDom dom, IType type)
{
if (dom == null || type == null || Parameters.Count == 0 || !IsExtension)
{
return(null);
}
string extensionTableKey = this.HelpUrl + "/" + type.FullName;
if (Name.StartsWith("ForEachWithIndex"))
{
Console.WriteLine("table key:" + extensionTableKey);
}
lock (extensionTable) {
if (extensionTable.ContainsKey(extensionTableKey))
{
return(extensionTable[extensionTableKey]);
}
if (type.BaseType != null && type.BaseType.FullName == "System.Array" && Parameters[0].ReturnType.ArrayDimensions > 0)
{
IReturnType elementType = null;
foreach (IReturnType returnType in type.BaseTypes)
{
if (returnType.FullName == "System.Collections.Generic.IList" && returnType.GenericArguments.Count > 0)
{
elementType = returnType.GenericArguments[0];
break;
}
}
if (elementType != null)
{
IMethod instMethod = DomMethod.CreateInstantiatedGenericMethod(this, new IReturnType[] {}, new IReturnType[] { elementType });
instMethod = new ExtensionMethod(type, instMethod, null, null);
extensionTable.Add(extensionTableKey, instMethod);
return(instMethod);
}
}
foreach (IType baseType in dom.GetInheritanceTree(type))
{
IMethod instMethod = DomMethod.CreateInstantiatedGenericMethod(this, new IReturnType[] {}, new IReturnType[] { new DomReturnType(baseType) });
string baseTypeFullName = baseType is InstantiatedType ? ((InstantiatedType)baseType).UninstantiatedType.FullName : baseType.FullName;
// compare the generic arguments.
if (instMethod.Parameters[0].ReturnType.FullName == baseTypeFullName && Parameters[0].ReturnType.ArrayDimensions == 0 && Parameters[0].ReturnType.PointerNestingLevel == 0)
{
if (instMethod.Parameters[0].ReturnType.GenericArguments.Count > 0)
{
InstantiatedType instType = baseType as InstantiatedType;
if (instType == null || instType.GenericParameters.Count != instMethod.Parameters[0].ReturnType.GenericArguments.Count)
{
continue;
}
bool genericArgumentsAreEqual = true;
for (int i = 0; i < instMethod.Parameters[0].ReturnType.GenericArguments.Count; i++)
{
if (Name.StartsWith("ForEachWithIndex"))
{
Console.WriteLine(instMethod.Parameters[0].ReturnType.GenericArguments[i].DecoratedFullName + " --- " + instType.GenericParameters[i].DecoratedFullName);
}
if (instMethod.Parameters[0].ReturnType.GenericArguments[i].DecoratedFullName != instType.GenericParameters[i].DecoratedFullName)
{
genericArgumentsAreEqual = false;
break;
}
}
if (!genericArgumentsAreEqual)
{
continue;
}
}
//ExtensionMethod result = new ExtensionMethod (baseType, this, null, null);
instMethod = new ExtensionMethod(type, instMethod, null, null);
extensionTable.Add(extensionTableKey, instMethod);
//Console.WriteLine ("ext. method:" + instMethod);
return(instMethod);
}
}
// Console.WriteLine ("null");
extensionTable.Add(extensionTableKey, null);
return(null);
}
}
public ExtensionMethod(IType extensionType, IMethod originalMethod, IList <IReturnType> genericArguments, IEnumerable <IReturnType> methodArguments)
{
if (extensionType == null)
{
throw new ArgumentNullException("extensionType");
}
if (originalMethod == null)
{
throw new ArgumentNullException("originalMethod");
}
this.DeclaringType = extensionType;
List <IReturnType> args = new List <IReturnType> ();
if (extensionType.FullName.EndsWith("[]"))
{
foreach (IReturnType returnType in extensionType.BaseTypes)
{
if (returnType.FullName == "System.Collections.Generic.IList" && returnType.GenericArguments.Count > 0)
{
args.Add(returnType.GenericArguments[0]);
break;
}
}
if (args.Count == 0)
{
args.Add(new DomReturnType(extensionType));
}
}
else if (extensionType is InstantiatedType)
{
InstantiatedType instType = (InstantiatedType)extensionType;
DomReturnType uninstantiatedReturnType = new DomReturnType(instType.UninstantiatedType.FullName);
foreach (IReturnType genArg in instType.GenericParameters)
{
uninstantiatedReturnType.AddTypeParameter(genArg);
}
args.Add(uninstantiatedReturnType);
}
else
{
args.Add(new DomReturnType(extensionType));
}
if (methodArguments != null)
{
args.AddRange(methodArguments);
}
// Console.WriteLine ("Create Extension method from:");
// Console.WriteLine ("ext type:" + args[0]);
// Console.WriteLine (originalMethod);
this.method = DomMethod.CreateInstantiatedGenericMethod(originalMethod, genericArguments, args);
// skip first parameter.
for (int i = 1; i < method.Parameters.Count; i++)
{
Add(method.Parameters[i]);
}
foreach (ITypeParameter par in method.TypeParameters)
{
AddTypeParameter(par);
}
this.ExtensionType = extensionType;
this.OriginalMethod = originalMethod;
//Console.WriteLine (this);
//Console.WriteLine ("oOoOoOoOoOoOoOoOoOoOoOoOoOoO");
}