// Infix arithmetic expression
public override ASTNode VisitInfixArithmeticExpr(CLUBSParser.InfixArithmeticExprContext context)
{
SourcePosition sourcePosition = new SourcePosition(context.start);
InfixOperatorNode node;
// Get the correct Infix operator by switching on the operator token
switch (context.op.Type)
{
case CLUBSParser.MUL:
node = new MultiplicationNode(sourcePosition);
break;
case CLUBSParser.DIV:
node = new DivisionNode(sourcePosition);
break;
case CLUBSParser.ADD:
node = new AdditionNode(sourcePosition);
break;
case CLUBSParser.SUB:
node = new SubtractionNode(sourcePosition);
break;
default:
throw new Exception("Operator not found");
}
node.Left = Visit(context.left) as ExpressionNode;
node.Right = Visit(context.right) as ExpressionNode;
return(node);
}
public abstract T Visit(SubtractionNode node, object obj);
// Subtraction operator
public override string Visit(SubtractionNode node, object obj)
{
return($"{Visit(node.Left)} - {Visit(node.Right)}");
}
// Subtraction operator
public override TypeNode Visit(SubtractionNode node, object obj)
{
return(VisitInfixArithmeticExpression(node)); // Call generic infix arithmetic expression visit method
}
