const Preprocessor &PP = P.getPreprocessor();
Tok.getLocation().print(OS, PP.getSourceManager());
- if (Tok.isAnnotation())
- OS << ": at annotation token \n";
- else
- OS << ": current parser token '" << PP.getSpelling(Tok) << "'\n";
+ if (Tok.isAnnotation()) {
+ OS << ": at annotation token\n";
+ } else {
+ // Do the equivalent of PP.getSpelling(Tok) except for the parts that would
+ // allocate memory.
+ bool Invalid = false;
+ const SourceManager &SM = P.getPreprocessor().getSourceManager();
+ unsigned Length = Tok.getLength();
+ const char *Spelling = SM.getCharacterData(Tok.getLocation(), &Invalid);
+ if (Invalid) {
+ OS << ": unknown current parser token\n";
+ return;
+ }
+ OS << ": current parser token '" << StringRef(Spelling, Length) << "'\n";
+ }
}
} // namespace