public ICallableType GetCallableType(CallableSignature signature)
{
AnonymousCallableType type = GetCachedCallableType(signature);
if (type == null)
{
type = new AnonymousCallableType(TypeSystemServices, signature);
_cache.Add(signature, type);
}
return type;
}
private IType CreateConcreteCallableType(Node sourceNode, AnonymousCallableType anonymousType)
{
var module = TypeSystemServices.GetCompilerGeneratedTypesModule();
var name = GenerateCallableTypeNameFrom(sourceNode, module);
ClassDefinition cd = My<CallableTypeBuilder>.Instance.CreateEmptyCallableDefinition(name);
cd.Annotate(AnonymousCallableTypeAnnotation);
cd.Modifiers |= TypeMemberModifiers.Public;
cd.LexicalInfo = sourceNode.LexicalInfo;
cd.Members.Add(CreateInvokeMethod(anonymousType));
Method beginInvoke = CreateBeginInvokeMethod(anonymousType);
cd.Members.Add(beginInvoke);
cd.Members.Add(CreateEndInvokeMethod(anonymousType));
AddGenericTypes(cd);
module.Members.Add(cd);
return (IType)cd.Entity;
}
public IType GetConcreteCallableType(Node sourceNode, AnonymousCallableType anonymousType)
{
return anonymousType.ConcreteType ??
(anonymousType.ConcreteType = CreateConcreteCallableType(sourceNode, anonymousType));
}
Method CreateInvokeMethod(AnonymousCallableType anonymousType)
{
CallableSignature signature = anonymousType.GetSignature();
return CodeBuilder.CreateRuntimeMethod("Invoke", signature.ReturnType, signature.Parameters, signature.AcceptVarArgs);
}
