public NativeRuntimeFunction(string name, MethodInfo method, bool containUseStrict, WellKnownObject proto)
: base(proto)
{
Guard.ArgumentNotNull(method, "method");
this.method = method;
Type runtimeObjectType = null;
if (method.HasAttribute(out IntrinsicConstructorAttribute attribute))
{
constraint = attribute.Constraint;
containUseStrict = true;
runtimeObjectType = attribute.ObjectType;
if (attribute.Prototype is Enum protoEnum)
{
defaultProto = RuntimeRealm.GetSharedObjectHandle(protoEnum);
}
}
else if (method.HasAttribute(out IntrinsicMemberAttribute a2))
{
constraint = NativeRuntimeFunctionConstraint.DenyConstruct;
containUseStrict = true;
if (name == null)
{
name = a2.Name;
}
}
else
{
SetPrototypeInternal(new EcmaObject());
}
if (name == null)
{
name = "";
}
this.Source = "function " + name + "() { [native code] }";
InitProperty(name, GetFuncLength(method), containUseStrict);
constructThisValue = runtimeObjectType == null || runtimeObjectType == typeof(EcmaObject) ? createFromConstructorDefault : createFromConstructor.MakeGenericMethod(runtimeObjectType);
}
public IntrinsicConstructorAttribute(NativeRuntimeFunctionConstraint constraint)
: this()
{
this.Constraint = constraint;
}
