private VisitResult VisitBinaryOperator(ASTBinaryOperator node)
{
switch (node.Type)
{
case TokenType.Plus:
return(new VisitResult
{
Value = Visit(node.Left).Value + Visit(node.Right).Value
});
case TokenType.Minus:
return(new VisitResult
{
Value = Visit(node.Left).Value - Visit(node.Right).Value
});
case TokenType.Multiplication:
return(new VisitResult
{
Value = Visit(node.Left).Value *Visit(node.Right).Value
});
case TokenType.Divide:
return(new VisitResult
{
Value = Visit(node.Left).Value / Visit(node.Right).Value
});
case TokenType.Modulo:
return(new VisitResult
{
Value = Visit(node.Left).Value % Visit(node.Right).Value
});
case TokenType.Equal:
return(new VisitResult
{
Value = Visit(node.Left).Value == Visit(node.Right).Value
});
case TokenType.NotEqual:
return(new VisitResult
{
Value = Visit(node.Left).Value != Visit(node.Right).Value
});
case TokenType.Greater:
return(new VisitResult
{
Value = Visit(node.Left).Value > Visit(node.Right).Value
});
case TokenType.GreaterEqual:
return(new VisitResult
{
Value = Visit(node.Left).Value >= Visit(node.Right).Value
});
case TokenType.Less:
return(new VisitResult
{
Value = Visit(node.Left).Value < Visit(node.Right).Value
});
case TokenType.LessEqual:
return(new VisitResult
{
Value = Visit(node.Left).Value <= Visit(node.Right).Value
});
case TokenType.And:
return(new VisitResult
{
Value = Visit(node.Left).Value&& Visit(node.Right).Value
});
case TokenType.Or:
return(new VisitResult
{
Value = Visit(node.Left).Value || Visit(node.Right).Value
});
}
throw new ArgumentException($"Invalid AST node type {node.GetType()}");
}
