private void handleUserDefinedTypeVariableReference(string variableName, object functionStackObject)
{
UserDefinedTypeVariableReference tempRef = (UserDefinedTypeVariableReference)functionStackObject;
string objectName = tempRef.ObjectName;
VariableNode objectVariable = new VariableNode(objectName);
UserDefinedTypeVariableDeclNode parent = null;
if (symbolTable.doesChildExistAtScope(objectVariable))
{
Node localVar = symbolTable.getNode(objectVariable);
if (localVar is VariableNode)
{
VariableNode localVariableNode = (VariableNode)localVar;
if (localVariableNode.Parent is UserDefinedTypeVariableDeclNode)
{
parent = (UserDefinedTypeVariableDeclNode)localVariableNode.Parent;
}
}
}
if (parent == null)
{
throw new Exception(string.Format("The user defined variable {0} does not have an accessible parent", variableName));
}
string className = parent.UserDefinedVariableTypeName;
if (declaredClasses.ContainsKey(className))
{
UserDefinedTypeNode userDefinedTypeNode = declaredClasses[className];
if (!userDefinedTypeNode.AllVariableNames.Contains(variableName))
{
addError("the object [ " + className + "] does not have a varible [" + variableName + "] defined as part of its instance");
}
VariableNode tempVariableNode = new VariableNode(variableName);
if (!symbolTable.doesChildExistInHash(parent, tempVariableNode))
{
symbolTable.addChild(tempVariableNode);
}
}
}
public override Node visitUserDefinedTypeDecl(JuliarParser.UserDefinedTypeDeclContext ctx)
{
UserDefinedTypeNode userDefinedTypeNode = new UserDefinedTypeNode();
symbolTable.addLevel(ctx.userDefinedTypeName().Text);
iterateWrapper(ctx, this, userDefinedTypeNode);
if (declaredClasses.ContainsKey(userDefinedTypeNode.TypeName))
{
throw new Exception("class " + userDefinedTypeNode.TypeName + "already exist at current scope");
}
declaredClasses[userDefinedTypeNode.TypeName] = userDefinedTypeNode;
symbolTable.popScope();
return(userDefinedTypeNode);
}
private void addChildUserDefined(UserDefinedTypeNode child)
{
SymbolTableNode node = scopeHash[currentScope.peek()];
int count = 0;
foreach (Node childNode in node.children)
{
if (child.TypeName.Equals(((UserDefinedTypeNode)childNode).TypeName))
{
count++;
}
}
if (count > 0)
{
visitor.addError(string.format(IDENTIFIERTXT, child.TypeName));
return;
}
scopeHash[currentScope.peek()].Children.Add(child);
}