// Insert a file into this one
// TODO: pass new input back up the tree
public bool Include(string filename)
{
if (!File.Exists(filename))
{
return(false);
}
using (StreamReader sr = File.OpenText(filename)) {
NewInput = new ParserInput {
Filename = filename, InputText = sr.ReadToEnd(),
};
Symbols.FindIdent("$filename$").Value = TextValue.Create(filename);
}
return(true);
}