Function printSourceLine

ext/src/llvm/SourceMgr.cpp:425–447

}

static void printSourceLine(raw_ostream &S, StringRef LineContents) {
  // Print out the source line one character at a time, so we can expand tabs.
  for (unsigned i = 0, e = LineContents.size(), OutCol = 0; i != e; ++i) {
    size_t NextTab = LineContents.find('\t', i);
    // If there were no tabs left, print the rest, we are done.
    if (NextTab == StringRef::npos) {
      S << LineContents.drop_front(i);
      break;
    }

    // Otherwise, print from i to NextTab.
    S << LineContents.slice(i, NextTab);
    OutCol += NextTab - i;
    i = NextTab;

    // If we have a tab, emit at least one space, then round up to 8 columns.
    do {
      S << ' ';
      ++OutCol;
    } while ((OutCol % TabStop) != 0);
  }
  S << '\n';
}

static bool isNonASCII(char c) { return c & 0x80; }