private ILinkable Visit(DeclareAST declareAST)
{
string id = Visit(declareAST.Id);
AST modelTypeAST = declareAST.ModelType;
ILinkable linkable = Visit(modelTypeAST) as ILinkable;
if (linkable != null)
{
switch (linkable)
{
case Model model:
model.Name = id;
break;
case Route route:
route.Name = id;
break;
}
TypeSymbol typeSymbol = currentScope.Lookup(linkable.GetTypeName()) as TypeSymbol;
ModelSymbol modelSymbol = new ModelSymbol(id, typeSymbol, linkable);
if (!currentScope.Insert(modelSymbol, false))
{
throw logger.Error(new SemanticException(declareAST.Id.ReferenceToken, $"Duplicated ID {id}"));
}
return(linkable);
}
else
{
throw logger.Error(new SemanticException(modelTypeAST.FindToken(), $"Invalid type"));
}
}