private static LScript ImportMetaTags(LScript meta_tag)
{
if (meta_tag.Word != "#IMPORT")
{
return(null);
}
string file_name = meta_tag as TokenLS <string>;
if (file_name == null)
{
return(null);
}
CreateFrom(File.ReadAllText(file_name));
return(null);
}
private static LScript DoMetaMath(LScript meta_tag)
{
if (meta_tag.Word != "#MATH")
{
return(null);
}
var meta_complex = meta_tag as ComplexLS;
double sum = 0.0;
string name = null;
foreach (var script in meta_complex.SubRunes)
{
sum = DoMath(script, sum, out string fnd_name);
if (fnd_name != string.Empty)
{
name = fnd_name;
}
}
return(new TokenLS <double>(name, sum));
}
private static double DoMath(LScript operation, double sum, out string found_name)
{
var tok = operation as TokenLS <double>;
found_name = string.Empty;
switch (operation.Word)
{
case "IS": return(tok.Value);
case "MINUS": return(sum - tok.Value);
case "PLUS": return(sum + tok.Value);
case "DIVIDE": return(sum - tok.Value);
case "TIMES": return(sum + tok.Value);
default:
found_name = operation.Word;
return(sum);
}
}