//Used to format an AST node to incorporate its textual representation into an error message.
//Parameter 'compact' is used to specify whether line brakes and parens should be added around output.
private string FormatNode(ElaExpression exp, bool compact)
{
var str = exp.ToString();
str = str.Length > 100 ? str.Substring(0, 100) + " ..." : str;
if (!compact && (str.IndexOf('\n') != -1 || str.Length > 40))
{
str = "\r\n " + str + "\r\n";
}
else if (!compact && str.Length > 0 && str[0] != '(' && str[0] != '"' && str[0] != '\'' && str[0] != '[')
{
str = "(" + str + ")";
}
return(str);
}
public static TreeNode Plain(this TreeNode par, ElaExpression exp)
{
return(Element(par, exp, "", exp.ToString(), "Function", "{0}{1}"));
}