private MethodCall buildMethodCall(String methodName)
{
IExpression exp = new ValueExpression(type, type.newInstance(context));
Argument arg = new Argument(null, exp);
ArgumentList args = new ArgumentList();
args.Add(arg);
return(new MethodCall(new MethodSelector(methodName), args));
}
protected virtual IValue getCurrent()
{
try
{
IStored stored = enumerator.Current;
CategoryType type = ReadItemType(stored);
return(type.newInstance(context, stored));
} catch (PromptoError e) {
throw new Exception(e.Message);
}
}
public override IValue interpret(Context context)
{
IStore store = DataStore.Instance;
IQuery query = buildFetchOneQuery(context, store);
IStored stored = store.FetchOne(query);
if (stored == null)
{
return(NullValue.Instance);
}
else
{
List <String> categories = (List <String>)stored.GetData("category");
String actualTypeName = categories.FindLast((v) => true);
CategoryType type = new CategoryType(actualTypeName);
if (this.type != null)
{
type.Mutable = this.type.Mutable;
}
return(type.newInstance(context, stored));
}
}
public override IValue interpret(Context context)
{
CategoryDeclaration cd = context.getRegisteredDeclaration <CategoryDeclaration>(this.type.GetTypeName());
if (cd == null)
{
throw new SyntaxError("Unknown category " + this.type.GetTypeName());
}
checkFirstHomonym(context, cd);
IInstance instance = type.newInstance(context);
instance.setMutable(true);
try
{
if (copyFrom != null)
{
Object copyObj = copyFrom.interpret(context);
if (copyObj is IInstance)
{
IInstance copyInstance = (IInstance)copyObj;
foreach (String name in copyInstance.GetMemberNames())
{
if (name == "dbId")
{
continue;
}
else if (cd.hasAttribute(context, name))
{
IValue value = copyInstance.GetMemberValue(context, name, false);
if (value != null && value.IsMutable() && !this.type.Mutable)
{
throw new NotMutableError();
}
instance.SetMemberValue(context, name, value);
}
}
}
else if (copyObj is DocumentValue)
{
DocumentValue copyDoc = (DocumentValue)copyObj;
foreach (String name in copyDoc.GetMemberNames())
{
if (name == "dbId")
{
continue;
}
else if (cd.hasAttribute(context, name))
{
IValue value = copyDoc.GetMemberValue(context, name, false);
if (value != null && value.IsMutable() && !this.type.Mutable)
{
throw new NotMutableError();
}
// TODO convert to attribute type, see Java version
instance.SetMemberValue(context, name, value);
}
}
}
}
if (arguments != null)
{
foreach (Argument argument in arguments)
{
IValue value = argument.getExpression().interpret(context);
if (value != null && value.IsMutable() && !this.type.Mutable)
{
throw new NotMutableError();
}
instance.SetMemberValue(context, argument.GetName(), value);
}
}
}
finally
{
instance.setMutable(this.type.Mutable);
}
return(instance);
}
