internal override bool apply(ParseContext ctxt, ref D_ result, ref AbstractParsecError err)
{
int at = ctxt.getAt();
string src = ctxt.getSource();
int mlen = pp.Match(src, at, src.Length);
if (mlen < 0)
{
return Scanners.setErrorExpecting(out err, expected_name, ctxt);
}
ctxt.next(mlen);
return true;
}
internal override bool apply(ParseContext ctxt, ref D_ result, ref AbstractParsecError err)
{
int at = ctxt.getAt();
string src = ctxt.getSource();
int mlen = pp.Match(src, at, src.Length);
if (mlen < 0)
{
return(Scanners.setErrorExpecting(out err, expected_name, ctxt));
}
ctxt.next(mlen);
return(true);
}
internal override bool apply(ParseContext ctxt, ref D_ result, ref AbstractParsecError err)
{
int from = ctxt.getAt();
if (!outer_scanner.parse(ctxt, ref result, ref err))
{
return(false);
}
ScannerState inner_ctxt = new ScannerState(ctxt.getSource(), from, module, ctxt.getPositionMap(),
ctxt.getAt() - from);
return(ParserChores.cont(ctxt, inner_ctxt, nested, ref result, ref err));
}
internal override bool apply(ParseContext ctxt, ref Tok result, ref AbstractParsecError err)
{
int original_step = ctxt.getStep();
int original_at = ctxt.getAt();
S tmp = default(S);
if (!scanner.parse(ctxt, ref tmp, ref err))
{
return(false);
}
int cur = ctxt.getAt();
int len = cur - original_at;
object tok = tn(ctxt.getSource(), original_at, len);
//The java version uses null to indicate a failure. It doesn't not seem to be used though. So we keep it simple.
result = new Tok(original_at, len, tok);
ctxt.setStep(original_step + 1);
return(true);
}
internal override bool apply(ParseContext ctxt, ref D_ result, ref AbstractParsecError err)
{
int from = ctxt.getAt();
if (!outer_scanner.parse(ctxt, ref result, ref err))
return false;
ScannerState inner_ctxt = new ScannerState(ctxt.getSource(), from, module, ctxt.getPositionMap(),
ctxt.getAt() - from);
return ParserChores.cont(ctxt, inner_ctxt, nested, ref result, ref err);
}