C++ StringRef::equals方法代码示例

bool RSExportReduce::matchName(const llvm::StringRef &Candidate) const {
  return
      Candidate.equals(mNameInitializer)  ||
      Candidate.equals(mNameAccumulator)  ||
      Candidate.equals(mNameCombiner)     ||
      Candidate.equals(mNameOutConverter) ||
      Candidate.equals(mNameHalter);
}

 bool
 DynamicLibraryManager::isDynamicLibraryLoaded(llvm::StringRef fullPath) const{
   for(DyLibs::const_iterator I = m_DyLibs.begin(), E = m_DyLibs.end(); 
       I != E; ++I) {
     if (fullPath.equals((I->second)))
       return true;
   }
   return false;
 }

static bool array_match(llvm::StringRef name, const char *names[])
{
    unsigned idx = 0;
    while(names[idx]) {
        if (name.equals(names[idx]))
            return true;
        ++idx;
    }

    return false;
}

lldb::SectionType
IRExecutionUnit::GetSectionTypeFromSectionName (const llvm::StringRef &name, IRExecutionUnit::AllocationKind alloc_kind)
{
    lldb::SectionType sect_type = lldb::eSectionTypeCode;
    switch (alloc_kind)
    {
        case AllocationKind::Stub:  sect_type = lldb::eSectionTypeCode; break;
        case AllocationKind::Code:  sect_type = lldb::eSectionTypeCode; break;
        case AllocationKind::Data:  sect_type = lldb::eSectionTypeData; break;
        case AllocationKind::Global:sect_type = lldb::eSectionTypeData; break;
        case AllocationKind::Bytes: sect_type = lldb::eSectionTypeOther; break;
    }

    if (!name.empty())
    {
        if (name.equals("__text") || name.equals(".text"))
            sect_type = lldb::eSectionTypeCode;
        else if (name.equals("__data") || name.equals(".data"))
            sect_type = lldb::eSectionTypeCode;
        else if (name.startswith("__debug_") || name.startswith(".debug_"))
        {
            const uint32_t name_idx = name[0] == '_' ? 8 : 7;
            llvm::StringRef dwarf_name(name.substr(name_idx));
            switch (dwarf_name[0])
            {
                case 'a':
                    if (dwarf_name.equals("abbrev"))
                        sect_type = lldb::eSectionTypeDWARFDebugAbbrev;
                    else if (dwarf_name.equals("aranges"))
                        sect_type = lldb::eSectionTypeDWARFDebugAranges;
                    break;

                case 'f':
                    if (dwarf_name.equals("frame"))
                        sect_type = lldb::eSectionTypeDWARFDebugFrame;
                    break;

                case 'i':
                    if (dwarf_name.equals("info"))
                        sect_type = lldb::eSectionTypeDWARFDebugInfo;
                    break;

                case 'l':
                    if (dwarf_name.equals("line"))
                        sect_type = lldb::eSectionTypeDWARFDebugLine;
                    else if (dwarf_name.equals("loc"))
                        sect_type = lldb::eSectionTypeDWARFDebugLoc;
                    break;

                case 'm':
                    if (dwarf_name.equals("macinfo"))
                        sect_type = lldb::eSectionTypeDWARFDebugMacInfo;
                    break;

                case 'p':
                    if (dwarf_name.equals("pubnames"))
                        sect_type = lldb::eSectionTypeDWARFDebugPubNames;
                    else if (dwarf_name.equals("pubtypes"))
                        sect_type = lldb::eSectionTypeDWARFDebugPubTypes;
                    break;

                case 's':
                    if (dwarf_name.equals("str"))
                        sect_type = lldb::eSectionTypeDWARFDebugStr;
                    break;

                case 'r':
                    if (dwarf_name.equals("ranges"))
                        sect_type = lldb::eSectionTypeDWARFDebugRanges;
                    break;

                default:
                    break;
            }
        }
        else if (name.startswith("__apple_") || name.startswith(".apple_"))
        {
#if 0
            const uint32_t name_idx = name[0] == '_' ? 8 : 7;
            llvm::StringRef apple_name(name.substr(name_idx));
            switch (apple_name[0])
            {
                case 'n':
                    if (apple_name.equals("names"))
                        sect_type = lldb::eSectionTypeDWARFAppleNames;
                    else if (apple_name.equals("namespac") || apple_name.equals("namespaces"))
                        sect_type = lldb::eSectionTypeDWARFAppleNamespaces;
                    break;
                case 't':
                    if (apple_name.equals("types"))
                        sect_type = lldb::eSectionTypeDWARFAppleTypes;
                    break;
                case 'o':
                    if (apple_name.equals("objc"))
                        sect_type = lldb::eSectionTypeDWARFAppleObjC;
                    break;
                default:
                    break;
            }
#else
//.........这里部分代码省略.........

bool SplitPaths(llvm::StringRef PathStr,
                llvm::SmallVectorImpl<llvm::StringRef>& Paths,
                SplitMode Mode, llvm::StringRef Delim, bool Verbose) {
  assert(Delim.size() && "Splitting without a delimiter");

#if defined(LLVM_ON_WIN32)
  // Support using a ':' delimiter on Windows.
  const bool WindowsColon = Delim.equals(":");
#endif

  bool AllExisted = true;
  for (std::pair<llvm::StringRef, llvm::StringRef> Split = PathStr.split(Delim);
       !Split.second.empty(); Split = PathStr.split(Delim)) {

    if (!Split.first.empty()) {
      bool Exists = llvm::sys::fs::is_directory(Split.first);

#if defined(LLVM_ON_WIN32)
    // Because drive letters will have a colon we have to make sure the split
    // occurs at a colon not followed by a path separator.
    if (!Exists && WindowsColon && Split.first.size()==1) {
      // Both clang and cl.exe support '\' and '/' path separators.
      if (Split.second.front() == '\\' || Split.second.front() == '/') {
          const std::pair<llvm::StringRef, llvm::StringRef> Tmp =
              Split.second.split(Delim);
          // Split.first = 'C', but we want 'C:', so Tmp.first.size()+2
          Split.first =
              llvm::StringRef(Split.first.data(), Tmp.first.size() + 2);
          Split.second = Tmp.second;
          Exists = llvm::sys::fs::is_directory(Split.first);
      }
    }
#endif

      AllExisted = AllExisted && Exists;

      if (!Exists) {
        if (Mode == kFailNonExistant) {
          if (Verbose) {
            // Exiting early, but still log all non-existant paths that we have
            LogNonExistantDirectory(Split.first);
            while (!Split.second.empty()) {
              Split = PathStr.split(Delim);
              if (llvm::sys::fs::is_directory(Split.first)) {
                llvm::errs() << "  ignoring directory that exists \""
                             << Split.first << "\"\n";
              } else
                LogNonExistantDirectory(Split.first);
              Split = Split.second.split(Delim);
            }
            if (!llvm::sys::fs::is_directory(Split.first))
              LogNonExistantDirectory(Split.first);
          }
          return false;
        } else if (Mode == kAllowNonExistant)
          Paths.push_back(Split.first);
        else if (Verbose)
          LogNonExistantDirectory(Split.first);
      } else
        Paths.push_back(Split.first);
    }

    PathStr = Split.second;
  }

  // Trim trailing sep in case of A:B:C:D:
  if (!PathStr.empty() && PathStr.endswith(Delim))
    PathStr = PathStr.substr(0, PathStr.size()-Delim.size());

  if (!PathStr.empty()) {
    if (!llvm::sys::fs::is_directory(PathStr)) {
      AllExisted = false;
      if (Mode == kAllowNonExistant)
        Paths.push_back(PathStr);
      else if (Verbose)
        LogNonExistantDirectory(PathStr);
    } else
      Paths.push_back(PathStr);
  }

  return AllExisted;
}

 void MetaSema::actOnstatsCommand(llvm::StringRef name) const {
   if (name.equals("ast")) {
     m_Interpreter.getCI()->getSema().getASTContext().PrintStats();
   }
 }