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      1 //===--- IdentifierTable.cpp - Hash table for identifier lookup -----------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 //
     10 // This file implements the IdentifierInfo, IdentifierVisitor, and
     11 // IdentifierTable interfaces.
     12 //
     13 //===----------------------------------------------------------------------===//
     14 
     15 #include "clang/Basic/IdentifierTable.h"
     16 #include "clang/Basic/LangOptions.h"
     17 #include "clang/Basic/CharInfo.h"
     18 #include "llvm/ADT/DenseMap.h"
     19 #include "llvm/ADT/FoldingSet.h"
     20 #include "llvm/Support/ErrorHandling.h"
     21 #include "llvm/Support/raw_ostream.h"
     22 #include <cstdio>
     23 
     24 using namespace clang;
     25 
     26 //===----------------------------------------------------------------------===//
     27 // IdentifierInfo Implementation
     28 //===----------------------------------------------------------------------===//
     29 
     30 IdentifierInfo::IdentifierInfo() {
     31   TokenID = tok::identifier;
     32   ObjCOrBuiltinID = 0;
     33   HasMacro = false;
     34   HadMacro = false;
     35   IsExtension = false;
     36   IsCXX11CompatKeyword = false;
     37   IsPoisoned = false;
     38   IsCPPOperatorKeyword = false;
     39   NeedsHandleIdentifier = false;
     40   IsFromAST = false;
     41   ChangedAfterLoad = false;
     42   RevertedTokenID = false;
     43   OutOfDate = false;
     44   IsModulesImport = false;
     45   FETokenInfo = 0;
     46   Entry = 0;
     47 }
     48 
     49 //===----------------------------------------------------------------------===//
     50 // IdentifierTable Implementation
     51 //===----------------------------------------------------------------------===//
     52 
     53 IdentifierIterator::~IdentifierIterator() { }
     54 
     55 IdentifierInfoLookup::~IdentifierInfoLookup() {}
     56 
     57 namespace {
     58   /// \brief A simple identifier lookup iterator that represents an
     59   /// empty sequence of identifiers.
     60   class EmptyLookupIterator : public IdentifierIterator
     61   {
     62   public:
     63     virtual StringRef Next() { return StringRef(); }
     64   };
     65 }
     66 
     67 IdentifierIterator *IdentifierInfoLookup::getIdentifiers() {
     68   return new EmptyLookupIterator();
     69 }
     70 
     71 ExternalIdentifierLookup::~ExternalIdentifierLookup() {}
     72 
     73 IdentifierTable::IdentifierTable(const LangOptions &LangOpts,
     74                                  IdentifierInfoLookup* externalLookup)
     75   : HashTable(8192), // Start with space for 8K identifiers.
     76     ExternalLookup(externalLookup) {
     77 
     78   // Populate the identifier table with info about keywords for the current
     79   // language.
     80   AddKeywords(LangOpts);
     81 
     82 
     83   // Add the '_experimental_modules_import' contextual keyword.
     84   get("import").setModulesImport(true);
     85 }
     86 
     87 //===----------------------------------------------------------------------===//
     88 // Language Keyword Implementation
     89 //===----------------------------------------------------------------------===//
     90 
     91 // Constants for TokenKinds.def
     92 namespace {
     93   enum {
     94     KEYC99 = 0x1,
     95     KEYCXX = 0x2,
     96     KEYCXX11 = 0x4,
     97     KEYGNU = 0x8,
     98     KEYMS = 0x10,
     99     BOOLSUPPORT = 0x20,
    100     KEYALTIVEC = 0x40,
    101     KEYNOCXX = 0x80,
    102     KEYBORLAND = 0x100,
    103     KEYOPENCL = 0x200,
    104     KEYC11 = 0x400,
    105     KEYARC = 0x800,
    106     KEYNOMS = 0x01000,
    107     WCHARSUPPORT = 0x02000,
    108     KEYALL = (0xffff & ~KEYNOMS) // Because KEYNOMS is used to exclude.
    109   };
    110 }
    111 
    112 /// AddKeyword - This method is used to associate a token ID with specific
    113 /// identifiers because they are language keywords.  This causes the lexer to
    114 /// automatically map matching identifiers to specialized token codes.
    115 ///
    116 /// The C90/C99/CPP/CPP0x flags are set to 3 if the token is a keyword in a
    117 /// future language standard, set to 2 if the token should be enabled in the
    118 /// specified language, set to 1 if it is an extension in the specified
    119 /// language, and set to 0 if disabled in the specified language.
    120 static void AddKeyword(StringRef Keyword,
    121                        tok::TokenKind TokenCode, unsigned Flags,
    122                        const LangOptions &LangOpts, IdentifierTable &Table) {
    123   unsigned AddResult = 0;
    124   if (Flags == KEYALL) AddResult = 2;
    125   else if (LangOpts.CPlusPlus && (Flags & KEYCXX)) AddResult = 2;
    126   else if (LangOpts.CPlusPlus11 && (Flags & KEYCXX11)) AddResult = 2;
    127   else if (LangOpts.C99 && (Flags & KEYC99)) AddResult = 2;
    128   else if (LangOpts.GNUKeywords && (Flags & KEYGNU)) AddResult = 1;
    129   else if (LangOpts.MicrosoftExt && (Flags & KEYMS)) AddResult = 1;
    130   else if (LangOpts.Borland && (Flags & KEYBORLAND)) AddResult = 1;
    131   else if (LangOpts.Bool && (Flags & BOOLSUPPORT)) AddResult = 2;
    132   else if (LangOpts.WChar && (Flags & WCHARSUPPORT)) AddResult = 2;
    133   else if (LangOpts.AltiVec && (Flags & KEYALTIVEC)) AddResult = 2;
    134   else if (LangOpts.OpenCL && (Flags & KEYOPENCL)) AddResult = 2;
    135   else if (!LangOpts.CPlusPlus && (Flags & KEYNOCXX)) AddResult = 2;
    136   else if (LangOpts.C11 && (Flags & KEYC11)) AddResult = 2;
    137   // We treat bridge casts as objective-C keywords so we can warn on them
    138   // in non-arc mode.
    139   else if (LangOpts.ObjC2 && (Flags & KEYARC)) AddResult = 2;
    140   else if (LangOpts.CPlusPlus && (Flags & KEYCXX11)) AddResult = 3;
    141 
    142   // Don't add this keyword under MicrosoftMode.
    143   if (LangOpts.MicrosoftMode && (Flags & KEYNOMS))
    144      return;
    145   // Don't add this keyword if disabled in this language.
    146   if (AddResult == 0) return;
    147 
    148   IdentifierInfo &Info =
    149       Table.get(Keyword, AddResult == 3 ? tok::identifier : TokenCode);
    150   Info.setIsExtensionToken(AddResult == 1);
    151   Info.setIsCXX11CompatKeyword(AddResult == 3);
    152 }
    153 
    154 /// AddCXXOperatorKeyword - Register a C++ operator keyword alternative
    155 /// representations.
    156 static void AddCXXOperatorKeyword(StringRef Keyword,
    157                                   tok::TokenKind TokenCode,
    158                                   IdentifierTable &Table) {
    159   IdentifierInfo &Info = Table.get(Keyword, TokenCode);
    160   Info.setIsCPlusPlusOperatorKeyword();
    161 }
    162 
    163 /// AddObjCKeyword - Register an Objective-C \@keyword like "class" "selector"
    164 /// or "property".
    165 static void AddObjCKeyword(StringRef Name,
    166                            tok::ObjCKeywordKind ObjCID,
    167                            IdentifierTable &Table) {
    168   Table.get(Name).setObjCKeywordID(ObjCID);
    169 }
    170 
    171 /// AddKeywords - Add all keywords to the symbol table.
    172 ///
    173 void IdentifierTable::AddKeywords(const LangOptions &LangOpts) {
    174   // Add keywords and tokens for the current language.
    175 #define KEYWORD(NAME, FLAGS) \
    176   AddKeyword(StringRef(#NAME), tok::kw_ ## NAME,  \
    177              FLAGS, LangOpts, *this);
    178 #define ALIAS(NAME, TOK, FLAGS) \
    179   AddKeyword(StringRef(NAME), tok::kw_ ## TOK,  \
    180              FLAGS, LangOpts, *this);
    181 #define CXX_KEYWORD_OPERATOR(NAME, ALIAS) \
    182   if (LangOpts.CXXOperatorNames)          \
    183     AddCXXOperatorKeyword(StringRef(#NAME), tok::ALIAS, *this);
    184 #define OBJC1_AT_KEYWORD(NAME) \
    185   if (LangOpts.ObjC1)          \
    186     AddObjCKeyword(StringRef(#NAME), tok::objc_##NAME, *this);
    187 #define OBJC2_AT_KEYWORD(NAME) \
    188   if (LangOpts.ObjC2)          \
    189     AddObjCKeyword(StringRef(#NAME), tok::objc_##NAME, *this);
    190 #define TESTING_KEYWORD(NAME, FLAGS)
    191 #include "clang/Basic/TokenKinds.def"
    192 
    193   if (LangOpts.ParseUnknownAnytype)
    194     AddKeyword("__unknown_anytype", tok::kw___unknown_anytype, KEYALL,
    195                LangOpts, *this);
    196 }
    197 
    198 tok::PPKeywordKind IdentifierInfo::getPPKeywordID() const {
    199   // We use a perfect hash function here involving the length of the keyword,
    200   // the first and third character.  For preprocessor ID's there are no
    201   // collisions (if there were, the switch below would complain about duplicate
    202   // case values).  Note that this depends on 'if' being null terminated.
    203 
    204 #define HASH(LEN, FIRST, THIRD) \
    205   (LEN << 5) + (((FIRST-'a') + (THIRD-'a')) & 31)
    206 #define CASE(LEN, FIRST, THIRD, NAME) \
    207   case HASH(LEN, FIRST, THIRD): \
    208     return memcmp(Name, #NAME, LEN) ? tok::pp_not_keyword : tok::pp_ ## NAME
    209 
    210   unsigned Len = getLength();
    211   if (Len < 2) return tok::pp_not_keyword;
    212   const char *Name = getNameStart();
    213   switch (HASH(Len, Name[0], Name[2])) {
    214   default: return tok::pp_not_keyword;
    215   CASE( 2, 'i', '\0', if);
    216   CASE( 4, 'e', 'i', elif);
    217   CASE( 4, 'e', 's', else);
    218   CASE( 4, 'l', 'n', line);
    219   CASE( 4, 's', 'c', sccs);
    220   CASE( 5, 'e', 'd', endif);
    221   CASE( 5, 'e', 'r', error);
    222   CASE( 5, 'i', 'e', ident);
    223   CASE( 5, 'i', 'd', ifdef);
    224   CASE( 5, 'u', 'd', undef);
    225 
    226   CASE( 6, 'a', 's', assert);
    227   CASE( 6, 'd', 'f', define);
    228   CASE( 6, 'i', 'n', ifndef);
    229   CASE( 6, 'i', 'p', import);
    230   CASE( 6, 'p', 'a', pragma);
    231 
    232   CASE( 7, 'd', 'f', defined);
    233   CASE( 7, 'i', 'c', include);
    234   CASE( 7, 'w', 'r', warning);
    235 
    236   CASE( 8, 'u', 'a', unassert);
    237   CASE(12, 'i', 'c', include_next);
    238 
    239   CASE(14, '_', 'p', __public_macro);
    240 
    241   CASE(15, '_', 'p', __private_macro);
    242 
    243   CASE(16, '_', 'i', __include_macros);
    244 #undef CASE
    245 #undef HASH
    246   }
    247 }
    248 
    249 //===----------------------------------------------------------------------===//
    250 // Stats Implementation
    251 //===----------------------------------------------------------------------===//
    252 
    253 /// PrintStats - Print statistics about how well the identifier table is doing
    254 /// at hashing identifiers.
    255 void IdentifierTable::PrintStats() const {
    256   unsigned NumBuckets = HashTable.getNumBuckets();
    257   unsigned NumIdentifiers = HashTable.getNumItems();
    258   unsigned NumEmptyBuckets = NumBuckets-NumIdentifiers;
    259   unsigned AverageIdentifierSize = 0;
    260   unsigned MaxIdentifierLength = 0;
    261 
    262   // TODO: Figure out maximum times an identifier had to probe for -stats.
    263   for (llvm::StringMap<IdentifierInfo*, llvm::BumpPtrAllocator>::const_iterator
    264        I = HashTable.begin(), E = HashTable.end(); I != E; ++I) {
    265     unsigned IdLen = I->getKeyLength();
    266     AverageIdentifierSize += IdLen;
    267     if (MaxIdentifierLength < IdLen)
    268       MaxIdentifierLength = IdLen;
    269   }
    270 
    271   fprintf(stderr, "\n*** Identifier Table Stats:\n");
    272   fprintf(stderr, "# Identifiers:   %d\n", NumIdentifiers);
    273   fprintf(stderr, "# Empty Buckets: %d\n", NumEmptyBuckets);
    274   fprintf(stderr, "Hash density (#identifiers per bucket): %f\n",
    275           NumIdentifiers/(double)NumBuckets);
    276   fprintf(stderr, "Ave identifier length: %f\n",
    277           (AverageIdentifierSize/(double)NumIdentifiers));
    278   fprintf(stderr, "Max identifier length: %d\n", MaxIdentifierLength);
    279 
    280   // Compute statistics about the memory allocated for identifiers.
    281   HashTable.getAllocator().PrintStats();
    282 }
    283 
    284 //===----------------------------------------------------------------------===//
    285 // SelectorTable Implementation
    286 //===----------------------------------------------------------------------===//
    287 
    288 unsigned llvm::DenseMapInfo<clang::Selector>::getHashValue(clang::Selector S) {
    289   return DenseMapInfo<void*>::getHashValue(S.getAsOpaquePtr());
    290 }
    291 
    292 namespace clang {
    293 /// MultiKeywordSelector - One of these variable length records is kept for each
    294 /// selector containing more than one keyword. We use a folding set
    295 /// to unique aggregate names (keyword selectors in ObjC parlance). Access to
    296 /// this class is provided strictly through Selector.
    297 class MultiKeywordSelector
    298   : public DeclarationNameExtra, public llvm::FoldingSetNode {
    299   MultiKeywordSelector(unsigned nKeys) {
    300     ExtraKindOrNumArgs = NUM_EXTRA_KINDS + nKeys;
    301   }
    302 public:
    303   // Constructor for keyword selectors.
    304   MultiKeywordSelector(unsigned nKeys, IdentifierInfo **IIV) {
    305     assert((nKeys > 1) && "not a multi-keyword selector");
    306     ExtraKindOrNumArgs = NUM_EXTRA_KINDS + nKeys;
    307 
    308     // Fill in the trailing keyword array.
    309     IdentifierInfo **KeyInfo = reinterpret_cast<IdentifierInfo **>(this+1);
    310     for (unsigned i = 0; i != nKeys; ++i)
    311       KeyInfo[i] = IIV[i];
    312   }
    313 
    314   // getName - Derive the full selector name and return it.
    315   std::string getName() const;
    316 
    317   unsigned getNumArgs() const { return ExtraKindOrNumArgs - NUM_EXTRA_KINDS; }
    318 
    319   typedef IdentifierInfo *const *keyword_iterator;
    320   keyword_iterator keyword_begin() const {
    321     return reinterpret_cast<keyword_iterator>(this+1);
    322   }
    323   keyword_iterator keyword_end() const {
    324     return keyword_begin()+getNumArgs();
    325   }
    326   IdentifierInfo *getIdentifierInfoForSlot(unsigned i) const {
    327     assert(i < getNumArgs() && "getIdentifierInfoForSlot(): illegal index");
    328     return keyword_begin()[i];
    329   }
    330   static void Profile(llvm::FoldingSetNodeID &ID,
    331                       keyword_iterator ArgTys, unsigned NumArgs) {
    332     ID.AddInteger(NumArgs);
    333     for (unsigned i = 0; i != NumArgs; ++i)
    334       ID.AddPointer(ArgTys[i]);
    335   }
    336   void Profile(llvm::FoldingSetNodeID &ID) {
    337     Profile(ID, keyword_begin(), getNumArgs());
    338   }
    339 };
    340 } // end namespace clang.
    341 
    342 unsigned Selector::getNumArgs() const {
    343   unsigned IIF = getIdentifierInfoFlag();
    344   if (IIF <= ZeroArg)
    345     return 0;
    346   if (IIF == OneArg)
    347     return 1;
    348   // We point to a MultiKeywordSelector.
    349   MultiKeywordSelector *SI = getMultiKeywordSelector();
    350   return SI->getNumArgs();
    351 }
    352 
    353 IdentifierInfo *Selector::getIdentifierInfoForSlot(unsigned argIndex) const {
    354   if (getIdentifierInfoFlag() < MultiArg) {
    355     assert(argIndex == 0 && "illegal keyword index");
    356     return getAsIdentifierInfo();
    357   }
    358   // We point to a MultiKeywordSelector.
    359   MultiKeywordSelector *SI = getMultiKeywordSelector();
    360   return SI->getIdentifierInfoForSlot(argIndex);
    361 }
    362 
    363 StringRef Selector::getNameForSlot(unsigned int argIndex) const {
    364   IdentifierInfo *II = getIdentifierInfoForSlot(argIndex);
    365   return II? II->getName() : StringRef();
    366 }
    367 
    368 std::string MultiKeywordSelector::getName() const {
    369   SmallString<256> Str;
    370   llvm::raw_svector_ostream OS(Str);
    371   for (keyword_iterator I = keyword_begin(), E = keyword_end(); I != E; ++I) {
    372     if (*I)
    373       OS << (*I)->getName();
    374     OS << ':';
    375   }
    376 
    377   return OS.str();
    378 }
    379 
    380 std::string Selector::getAsString() const {
    381   if (InfoPtr == 0)
    382     return "<null selector>";
    383 
    384   if (getIdentifierInfoFlag() < MultiArg) {
    385     IdentifierInfo *II = getAsIdentifierInfo();
    386 
    387     // If the number of arguments is 0 then II is guaranteed to not be null.
    388     if (getNumArgs() == 0)
    389       return II->getName();
    390 
    391     if (!II)
    392       return ":";
    393 
    394     return II->getName().str() + ":";
    395   }
    396 
    397   // We have a multiple keyword selector.
    398   return getMultiKeywordSelector()->getName();
    399 }
    400 
    401 /// Interpreting the given string using the normal CamelCase
    402 /// conventions, determine whether the given string starts with the
    403 /// given "word", which is assumed to end in a lowercase letter.
    404 static bool startsWithWord(StringRef name, StringRef word) {
    405   if (name.size() < word.size()) return false;
    406   return ((name.size() == word.size() || !isLowercase(name[word.size()])) &&
    407           name.startswith(word));
    408 }
    409 
    410 ObjCMethodFamily Selector::getMethodFamilyImpl(Selector sel) {
    411   IdentifierInfo *first = sel.getIdentifierInfoForSlot(0);
    412   if (!first) return OMF_None;
    413 
    414   StringRef name = first->getName();
    415   if (sel.isUnarySelector()) {
    416     if (name == "autorelease") return OMF_autorelease;
    417     if (name == "dealloc") return OMF_dealloc;
    418     if (name == "finalize") return OMF_finalize;
    419     if (name == "release") return OMF_release;
    420     if (name == "retain") return OMF_retain;
    421     if (name == "retainCount") return OMF_retainCount;
    422     if (name == "self") return OMF_self;
    423   }
    424 
    425   if (name == "performSelector") return OMF_performSelector;
    426 
    427   // The other method families may begin with a prefix of underscores.
    428   while (!name.empty() && name.front() == '_')
    429     name = name.substr(1);
    430 
    431   if (name.empty()) return OMF_None;
    432   switch (name.front()) {
    433   case 'a':
    434     if (startsWithWord(name, "alloc")) return OMF_alloc;
    435     break;
    436   case 'c':
    437     if (startsWithWord(name, "copy")) return OMF_copy;
    438     break;
    439   case 'i':
    440     if (startsWithWord(name, "init")) return OMF_init;
    441     break;
    442   case 'm':
    443     if (startsWithWord(name, "mutableCopy")) return OMF_mutableCopy;
    444     break;
    445   case 'n':
    446     if (startsWithWord(name, "new")) return OMF_new;
    447     break;
    448   default:
    449     break;
    450   }
    451 
    452   return OMF_None;
    453 }
    454 
    455 ObjCInstanceTypeFamily Selector::getInstTypeMethodFamily(Selector sel) {
    456   IdentifierInfo *first = sel.getIdentifierInfoForSlot(0);
    457   if (!first) return OIT_None;
    458 
    459   StringRef name = first->getName();
    460 
    461   if (name.empty()) return OIT_None;
    462   switch (name.front()) {
    463     case 'a':
    464       if (startsWithWord(name, "alloc")) return OIT_MemManage;
    465       else
    466         if (startsWithWord(name, "array")) return OIT_Array;
    467       break;
    468     case 'd':
    469       if (startsWithWord(name, "dictionary")) return OIT_Dictionary;
    470       if (startsWithWord(name, "default")) return OIT_Singleton;
    471       break;
    472     case 'i':
    473       if (startsWithWord(name, "init")) return OIT_MemManage;
    474       break;
    475     case 'r':
    476       if (startsWithWord(name, "retain")) return OIT_MemManage;
    477       break;
    478     case 's':
    479       if (startsWithWord(name, "shared") ||
    480           startsWithWord(name, "standard"))
    481         return OIT_Singleton;
    482     default:
    483       break;
    484   }
    485   return OIT_None;
    486 }
    487 
    488 namespace {
    489   struct SelectorTableImpl {
    490     llvm::FoldingSet<MultiKeywordSelector> Table;
    491     llvm::BumpPtrAllocator Allocator;
    492   };
    493 } // end anonymous namespace.
    494 
    495 static SelectorTableImpl &getSelectorTableImpl(void *P) {
    496   return *static_cast<SelectorTableImpl*>(P);
    497 }
    498 
    499 SmallString<64>
    500 SelectorTable::constructSetterName(StringRef Name) {
    501   SmallString<64> SetterName("set");
    502   SetterName += Name;
    503   SetterName[3] = toUppercase(SetterName[3]);
    504   return SetterName;
    505 }
    506 
    507 Selector
    508 SelectorTable::constructSetterSelector(IdentifierTable &Idents,
    509                                        SelectorTable &SelTable,
    510                                        const IdentifierInfo *Name) {
    511   IdentifierInfo *SetterName =
    512     &Idents.get(constructSetterName(Name->getName()));
    513   return SelTable.getUnarySelector(SetterName);
    514 }
    515 
    516 size_t SelectorTable::getTotalMemory() const {
    517   SelectorTableImpl &SelTabImpl = getSelectorTableImpl(Impl);
    518   return SelTabImpl.Allocator.getTotalMemory();
    519 }
    520 
    521 Selector SelectorTable::getSelector(unsigned nKeys, IdentifierInfo **IIV) {
    522   if (nKeys < 2)
    523     return Selector(IIV[0], nKeys);
    524 
    525   SelectorTableImpl &SelTabImpl = getSelectorTableImpl(Impl);
    526 
    527   // Unique selector, to guarantee there is one per name.
    528   llvm::FoldingSetNodeID ID;
    529   MultiKeywordSelector::Profile(ID, IIV, nKeys);
    530 
    531   void *InsertPos = 0;
    532   if (MultiKeywordSelector *SI =
    533         SelTabImpl.Table.FindNodeOrInsertPos(ID, InsertPos))
    534     return Selector(SI);
    535 
    536   // MultiKeywordSelector objects are not allocated with new because they have a
    537   // variable size array (for parameter types) at the end of them.
    538   unsigned Size = sizeof(MultiKeywordSelector) + nKeys*sizeof(IdentifierInfo *);
    539   MultiKeywordSelector *SI =
    540     (MultiKeywordSelector*)SelTabImpl.Allocator.Allocate(Size,
    541                                          llvm::alignOf<MultiKeywordSelector>());
    542   new (SI) MultiKeywordSelector(nKeys, IIV);
    543   SelTabImpl.Table.InsertNode(SI, InsertPos);
    544   return Selector(SI);
    545 }
    546 
    547 SelectorTable::SelectorTable() {
    548   Impl = new SelectorTableImpl();
    549 }
    550 
    551 SelectorTable::~SelectorTable() {
    552   delete &getSelectorTableImpl(Impl);
    553 }
    554 
    555 const char *clang::getOperatorSpelling(OverloadedOperatorKind Operator) {
    556   switch (Operator) {
    557   case OO_None:
    558   case NUM_OVERLOADED_OPERATORS:
    559     return 0;
    560 
    561 #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \
    562   case OO_##Name: return Spelling;
    563 #include "clang/Basic/OperatorKinds.def"
    564   }
    565 
    566   llvm_unreachable("Invalid OverloadedOperatorKind!");
    567 }
    568