internal void pushTokenStreamInput(TokenStream ts)
{
pushInput(new TokenInput(this, ts));
ts.Rewind();
}
internal TokenStream PrescanMacroArg(TokenStream a, PreprocessorToken ppToken, bool newLineOkay)
{
int token;
a.Rewind();
do {
token = ReadToken(a, ppToken);
if (token == (int) CppEnums.IDENTIFIER && Symbols.LookUp(ppToken.atom) != null)
break;
} while (token != BasePreprocessorInput.END_OF_INPUT);
if (token == BasePreprocessorInput.END_OF_INPUT)
return a;
TokenStream n = new TokenStream ();
pushInput(new MarkerInput(this));
pushTokenStreamInput(a);
while ((token = scanToken(ref ppToken)) != MarkerInput.marker) {
if (token == (int) CppEnums.IDENTIFIER && MacroExpand(ppToken.atom, ppToken, false, newLineOkay) != 0)
continue;
Symbols.Atoms.RecordToken(n, token, ppToken);
}
popInput();
return n;
}