public override Expr VisitFunction([NotNull] ExprParser.FunctionContext context)
{
//function name has an extra (. Need to remove it
return(new FunctionExpr(context.FUNCTION().GetText().TrimEnd("(".ToCharArray()))
{
Arguments = context.expr().Select(Visit).ToArray()
});
}
//
// Function
//
public override Expression VisitFunction(ExprParser.FunctionContext context)
{
string type = GetType(context.type()); // Return type
string name = GetName(context.name()); // Function name
ExpressionScope e = new ExpressionScope();
e.Name = name;
e.Operation = Operation.FUNCTION;
e.OutputSetName = type;
// Find all parameter declarations and store them as operands of the expression
int paramCount = context.parameter().Count();
for (int i = 0; i < paramCount; i++)
{
Expression paramExpr = Visit(context.parameter(i));
if (i == 0)
{
e.Input = paramExpr;
}
else
{
e.AddOperand(paramExpr);
}
}
// Find all statements and store them in the expression
int stmtCount = context.statement().Count();
for (int i = 0; i < stmtCount; i++)
{
ExpressionScope stmtExpr = (ExpressionScope)Visit(context.statement(i));
if (stmtExpr == null)
{
continue;
}
e.AddStatement(stmtExpr);
}
return(e);
}