// RANDOM
public override ASTNode VisitRandomExpr(CLUBSParser.RandomExprContext context)
{
RandomNode node = new RandomNode(new SourcePosition(context.start));
node.LowerLimit = Visit(context.lower) as ExpressionNode;
node.UpperLimit = Visit(context.upper) as ExpressionNode;
return(node);
}
// RANDOM
public override TypeNode Visit(RandomNode node, object obj)
{
TypeNode lowerLimitType = Visit(node.LowerLimit);
TypeNode upperLimitType = Visit(node.UpperLimit);
// If lower limit type is not Int, log error
if (lowerLimitType != StandardTypes.Int)
{
ErrorLogger.LogError(new ExpectedTypeError(StandardTypes.Int, node.LowerLimit.SourcePosition));
return(new ErrorTypeNode(node.SourcePosition));
}
// If upper limit type is not Int, log error
if (upperLimitType != StandardTypes.Int)
{
ErrorLogger.LogError(new ExpectedTypeError(StandardTypes.Int, node.UpperLimit.SourcePosition));
return(new ErrorTypeNode(node.SourcePosition));
}
return(new IntTypeNode(node.SourcePosition));
}
public abstract T Visit(RandomNode node, object obj);
// RANDOM
public override string Visit(RandomNode node, object obj)
{
return($"_random.Next({Visit(node.LowerLimit)}, {Visit(node.UpperLimit)})");
}