// Get a "file:line:column" source location string.
static std::string getSourceLocationString(clang::Preprocessor &PP,
                                           clang::SourceLocation Loc) {
  if (Loc.isInvalid())
    return std::string("(none)");

  if (Loc.isFileID()) {
    clang::PresumedLoc PLoc = PP.getSourceManager().getPresumedLoc(Loc);

    if (PLoc.isInvalid()) {
      return std::string("(invalid)");
    }

    std::string Str;
    llvm::raw_string_ostream SS(Str);

    // The macro expansion and spelling pos is identical for file locs.
    SS << "\"" << PLoc.getFilename() << ':' << PLoc.getLine() << ':'
       << PLoc.getColumn() << "\"";

    std::string Result = SS.str();

    // YAML treats backslash as escape, so use forward slashes.
    std::replace(Result.begin(), Result.end(), '\\', '/');

    return Result;
  }

  return std::string("(nonfile)");
}
// Append a SourceLocation argument to the top trace item.
void PPCallbacksTracker::appendArgument(const char *Name,
                                        clang::SourceLocation Value) {
  if (Value.isInvalid()) {
    appendArgument(Name, "(invalid)");
    return;
  }
  appendArgument(Name, getSourceLocationString(PP, Value).c_str());
}
bool ClangTidyMisraCheck::isIgnored(clang::SourceLocation loc) {
  if (loc.isInvalid()) {
    return IgnoreInvalidLocations;
  }
  if (isBuiltIn(loc)) {
    return IgnoreBuiltInLocations;
  }
  if (isCommandLine(loc)) {
    return IgnoreCommandLineLocations;
  }
  return false;
}
예제 #4
0
void ClangCommentPrinter::updateLastEntityLine(clang::SourceLocation Loc) {
  if (Loc.isInvalid())
    return;

  const auto &Ctx = ClangLoader.getClangASTContext();
  const auto &SM = Ctx.getSourceManager();

  unsigned LineNo = SM.getSpellingLineNumber(Loc);
  clang::FileID FID = SM.getFileID(Loc);
  if (FID.isInvalid())
    return;

  updateLastEntityLine(FID, LineNo);
}