public override void Visit(RunQueryNode node)
{
_symbolTable.SetCurrentNode(node);
node.Type = _symbolTable.RetrieveSymbol(node.FunctionName).ToString().ToLower();
bool isCollection = false;
VisitChildren(node);
List <FunctionParameterEntry> funcParamList = _symbolTable.GetParameterTypes(node.FunctionName);
funcParamList.OrderBy(x => x.ID);
int i = 0;
AllType placeholderType = AllType.UNKNOWNTYPE;
if (node.Parent is ExpressionNode expNode)
{
expNode.OverAllType = _symbolTable.RetrieveSymbol(node.FunctionName);
}
if (node.Children.Count > 0)
{
if (node.Children.Count <= funcParamList.Count)
{
foreach (AbstractNode child in node.Children)
{
if (child is VariableNode varNode)
{
placeholderType = _symbolTable.RetrieveSymbol(child.Name, out isCollection) ?? AllType.UNKNOWNTYPE;
if (funcParamList.Count > 0)
{
if (placeholderType != funcParamList[i].Type && funcParamList[i].Collection == isCollection)
{
//type error
_symbolTable.RunFunctionTypeError(child.Name, funcParamList[i].Name);
}
}
else
{
//calling function with no formal parameters
_symbolTable.RunFunctionParameterError();
}
}
else if (child is ConstantNode constNode)
{
if (funcParamList.Count == 0)
{
_symbolTable.RunFunctionParameterError();
}
else
{
if (child.Type_enum != funcParamList[i].Type)
{
_symbolTable.RunFunctionTypeError(child.Name, funcParamList[i].Name);
//type error
}
}
}
++i;
}
}
else
{
_symbolTable.RunFunctionParameterError();
}
}
else if (funcParamList.Count > 0)
{
//running function without actual parameters, when function has formal parameters
_symbolTable.RunFunctionParameterError();
}
}
