public static object parse(string filename, System.IO.TextReader r, bool Verbose)
{
CharEnumerator ce = new File2CharEnumerator(r);
InputElementEnumerator iee = new Char2InputElementEnumerator(ce, filename);
if (Verbose)
{
iee = new EchoInputEnumerator(iee, "raw> ");
}
iee = new PreprocessorEnumerator(iee);
iee = new SkipWhiteEnumerator(iee);
if (Verbose)
{
iee = new EchoInputEnumerator(iee, "ppd> ");
}
Parser p = new Parser(iee);
nonterminalState parse = p.parse(System.Console.Error);
if (parse != null)
{
if (Verbose)
{
System.Console.WriteLine("DERIVATION:");
System.Console.WriteLine(parse.ToString(""));
}
object ast = parse.rewrite2AST();
return(ast);
}
else
{
return(null);
}
}
protected void tokenize(InputElement ie)
{
String2CharEnumerator s2ce = new String2CharEnumerator(ie.str);
PreprocessorInputElementEnumerator pp = new PreprocessorInputElementEnumerator(s2ce, ie.coord.file);
SkipWhiteEnumerator swe = new SkipWhiteEnumerator(pp);
tokens = swe;
if (Verbose)
{
tokens = new EchoInputEnumerator(tokens, "PPD> ");
}
}
