static bool identStr(llvm::SmallString<16> &x) {
char c;
if (!identChar1(c)) return false;
x.clear();
x.push_back(c);
while (true) {
const char *p = save();
if (!identChar2(c)) {
restore(p);
break;
}
x.push_back(c);
}
return true;
}
/// \brief Compute the relative path that names the given file relative to
/// the given directory.
static void computeRelativePath(FileManager &FM, const DirectoryEntry *Dir,
const FileEntry *File,
llvm::SmallString<128> &Result) {
Result.clear();
StringRef FilePath = File->getDir()->getName();
StringRef Path = FilePath;
while (!Path.empty()) {
if (const DirectoryEntry *CurDir = FM.getDirectory(Path)) {
if (CurDir == Dir) {
Result = FilePath.substr(Path.size());
llvm::sys::path::append(Result,
llvm::sys::path::filename(File->getName()));
return;
}
}
Path = llvm::sys::path::parent_path(Path);
}
Result = File->getName();
}