contrib/llvm/tools/clang/lib/ASTMatchers/Dynamic/Registry.cpp

   1 //===--- Registry.cpp - Matcher registry -------------------------===//
   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 /// \file
  11 /// \brief Registry map populated at static initialization time.
  12 ///
  13 //===------------------------------------------------------------===//
  14
  15 #include "clang/ASTMatchers/Dynamic/Registry.h"
  16 #include "Marshallers.h"
  17 #include "clang/ASTMatchers/ASTMatchers.h"
  18 #include "llvm/ADT/StringMap.h"
  19 #include "llvm/ADT/StringRef.h"
  20 #include "llvm/Support/ManagedStatic.h"
  21 #include <set>
  22 #include <utility>
  23
  24 using namespace clang::ast_type_traits;
  25
  26 namespace clang {
  27 namespace ast_matchers {
  28 namespace dynamic {
  29 namespace {
  30
  31 using internal::MatcherDescriptor;
  32
  33 typedef llvm::StringMap<const MatcherDescriptor *> ConstructorMap;
  34 class RegistryMaps {
  35 public:
  36   RegistryMaps();
  37   ~RegistryMaps();
  38
  39   const ConstructorMap &constructors() const { return Constructors; }
  40
  41 private:
  42   void registerMatcher(StringRef MatcherName, MatcherDescriptor *Callback);
  43   ConstructorMap Constructors;
  44 };
  45
  46 void RegistryMaps::registerMatcher(StringRef MatcherName,
  47                                    MatcherDescriptor *Callback) {
  48   assert(Constructors.find(MatcherName) == Constructors.end());
  49   Constructors[MatcherName] = Callback;
  50 }
  51
  52 #define REGISTER_MATCHER(name)                                                 \
  53   registerMatcher(#name, internal::makeMatcherAutoMarshall(                    \
  54                              ::clang::ast_matchers::name, #name));
  55
  56 #define SPECIFIC_MATCHER_OVERLOAD(name, Id)                                    \
  57   static_cast< ::clang::ast_matchers::name##_Type##Id>(                        \
  58       ::clang::ast_matchers::name)
  59
  60 #define REGISTER_OVERLOADED_2(name)                                            \
  61   do {                                                                         \
  62     MatcherDescriptor *Callbacks[] = {                                         \
  63       internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, 0),    \
  64                                         #name),                                \
  65       internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, 1),    \
  66                                         #name)                                 \
  67     };                                                                         \
  68     registerMatcher(#name,                                                     \
  69                     new internal::OverloadedMatcherDescriptor(Callbacks));     \
  70   } while (0)
  71
  72 /// \brief Generate a registry map with all the known matchers.
  73 RegistryMaps::RegistryMaps() {
  74   // TODO: Here is the list of the missing matchers, grouped by reason.
  75   //
  76   // Need Variant/Parser fixes:
  77   // ofKind
  78   //
  79   // Polymorphic + argument overload:
  80   // findAll
  81   //
  82   // Other:
  83   // equals
  84   // equalsNode
  85
  86   REGISTER_OVERLOADED_2(callee);
  87   REGISTER_OVERLOADED_2(hasPrefix);
  88   REGISTER_OVERLOADED_2(hasType);
  89   REGISTER_OVERLOADED_2(isDerivedFrom);
  90   REGISTER_OVERLOADED_2(isSameOrDerivedFrom);
  91   REGISTER_OVERLOADED_2(loc);
  92   REGISTER_OVERLOADED_2(pointsTo);
  93   REGISTER_OVERLOADED_2(references);
  94   REGISTER_OVERLOADED_2(thisPointerType);
  95
  96   REGISTER_MATCHER(accessSpecDecl);
  97   REGISTER_MATCHER(alignOfExpr);
  98   REGISTER_MATCHER(allOf);
  99   REGISTER_MATCHER(anyOf);
 100   REGISTER_MATCHER(anything);
 101   REGISTER_MATCHER(argumentCountIs);
 102   REGISTER_MATCHER(arraySubscriptExpr);
 103   REGISTER_MATCHER(arrayType);
 104   REGISTER_MATCHER(asString);
 105   REGISTER_MATCHER(asmStmt);
 106   REGISTER_MATCHER(atomicType);
 107   REGISTER_MATCHER(autoType);
 108   REGISTER_MATCHER(binaryOperator);
 109   REGISTER_MATCHER(bindTemporaryExpr);
 110   REGISTER_MATCHER(blockPointerType);
 111   REGISTER_MATCHER(boolLiteral);
 112   REGISTER_MATCHER(breakStmt);
 113   REGISTER_MATCHER(builtinType);
 114   REGISTER_MATCHER(cStyleCastExpr);
 115   REGISTER_MATCHER(callExpr);
 116   REGISTER_MATCHER(caseStmt);
 117   REGISTER_MATCHER(castExpr);
 118   REGISTER_MATCHER(catchStmt);
 119   REGISTER_MATCHER(characterLiteral);
 120   REGISTER_MATCHER(classTemplateDecl);
 121   REGISTER_MATCHER(classTemplateSpecializationDecl);
 122   REGISTER_MATCHER(complexType);
 123   REGISTER_MATCHER(compoundLiteralExpr);
 124   REGISTER_MATCHER(compoundStmt);
 125   REGISTER_MATCHER(conditionalOperator);
 126   REGISTER_MATCHER(constCastExpr);
 127   REGISTER_MATCHER(constantArrayType);
 128   REGISTER_MATCHER(constructExpr);
 129   REGISTER_MATCHER(constructorDecl);
 130   REGISTER_MATCHER(containsDeclaration);
 131   REGISTER_MATCHER(continueStmt);
 132   REGISTER_MATCHER(ctorInitializer);
 133   REGISTER_MATCHER(decl);
 134   REGISTER_MATCHER(declCountIs);
 135   REGISTER_MATCHER(declRefExpr);
 136   REGISTER_MATCHER(declStmt);
 137   REGISTER_MATCHER(declaratorDecl);
 138   REGISTER_MATCHER(defaultArgExpr);
 139   REGISTER_MATCHER(defaultStmt);
 140   REGISTER_MATCHER(deleteExpr);
 141   REGISTER_MATCHER(dependentSizedArrayType);
 142   REGISTER_MATCHER(destructorDecl);
 143   REGISTER_MATCHER(doStmt);
 144   REGISTER_MATCHER(dynamicCastExpr);
 145   REGISTER_MATCHER(eachOf);
 146   REGISTER_MATCHER(elaboratedType);
 147   REGISTER_MATCHER(enumConstantDecl);
 148   REGISTER_MATCHER(enumDecl);
 149   REGISTER_MATCHER(equalsBoundNode);
 150   REGISTER_MATCHER(explicitCastExpr);
 151   REGISTER_MATCHER(expr);
 152   REGISTER_MATCHER(exprWithCleanups);
 153   REGISTER_MATCHER(fieldDecl);
 154   REGISTER_MATCHER(floatLiteral);
 155   REGISTER_MATCHER(forEach);
 156   REGISTER_MATCHER(forEachConstructorInitializer);
 157   REGISTER_MATCHER(forEachDescendant);
 158   REGISTER_MATCHER(forEachSwitchCase);
 159   REGISTER_MATCHER(forField);
 160   REGISTER_MATCHER(forRangeStmt);
 161   REGISTER_MATCHER(forStmt);
 162   REGISTER_MATCHER(friendDecl);
 163   REGISTER_MATCHER(functionDecl);
 164   REGISTER_MATCHER(functionTemplateDecl);
 165   REGISTER_MATCHER(functionType);
 166   REGISTER_MATCHER(functionalCastExpr);
 167   REGISTER_MATCHER(gotoStmt);
 168   REGISTER_MATCHER(has);
 169   REGISTER_MATCHER(hasAncestor);
 170   REGISTER_MATCHER(hasAnyArgument);
 171   REGISTER_MATCHER(hasAnyConstructorInitializer);
 172   REGISTER_MATCHER(hasAnyParameter);
 173   REGISTER_MATCHER(hasAnySubstatement);
 174   REGISTER_MATCHER(hasAnyTemplateArgument);
 175   REGISTER_MATCHER(hasAnyUsingShadowDecl);
 176   REGISTER_MATCHER(hasArgument);
 177   REGISTER_MATCHER(hasArgumentOfType);
 178   REGISTER_MATCHER(hasBase);
 179   REGISTER_MATCHER(hasBody);
 180   REGISTER_MATCHER(hasCanonicalType);
 181   REGISTER_MATCHER(hasCaseConstant);
 182   REGISTER_MATCHER(hasCondition);
 183   REGISTER_MATCHER(hasConditionVariableStatement);
 184   REGISTER_MATCHER(hasDeclContext);
 185   REGISTER_MATCHER(hasDeclaration);
 186   REGISTER_MATCHER(hasDeducedType);
 187   REGISTER_MATCHER(hasDescendant);
 188   REGISTER_MATCHER(hasDestinationType);
 189   REGISTER_MATCHER(hasEitherOperand);
 190   REGISTER_MATCHER(hasElementType);
 191   REGISTER_MATCHER(hasFalseExpression);
 192   REGISTER_MATCHER(hasGlobalStorage);
 193   REGISTER_MATCHER(hasImplicitDestinationType);
 194   REGISTER_MATCHER(hasIncrement);
 195   REGISTER_MATCHER(hasIndex);
 196   REGISTER_MATCHER(hasInitializer);
 197   REGISTER_MATCHER(hasLHS);
 198   REGISTER_MATCHER(hasLocalQualifiers);
 199   REGISTER_MATCHER(hasLocalStorage);
 200   REGISTER_MATCHER(hasLoopInit);
 201   REGISTER_MATCHER(hasMethod);
 202   REGISTER_MATCHER(hasName);
 203   REGISTER_MATCHER(hasObjectExpression);
 204   REGISTER_MATCHER(hasOperatorName);
 205   REGISTER_MATCHER(hasOverloadedOperatorName);
 206   REGISTER_MATCHER(hasParameter);
 207   REGISTER_MATCHER(hasParent);
 208   REGISTER_MATCHER(hasQualifier);
 209   REGISTER_MATCHER(hasRHS);
 210   REGISTER_MATCHER(hasSingleDecl);
 211   REGISTER_MATCHER(hasSize);
 212   REGISTER_MATCHER(hasSizeExpr);
 213   REGISTER_MATCHER(hasSourceExpression);
 214   REGISTER_MATCHER(hasTargetDecl);
 215   REGISTER_MATCHER(hasTemplateArgument);
 216   REGISTER_MATCHER(hasTrueExpression);
 217   REGISTER_MATCHER(hasTypeLoc);
 218   REGISTER_MATCHER(hasUnaryOperand);
 219   REGISTER_MATCHER(hasValueType);
 220   REGISTER_MATCHER(ifStmt);
 221   REGISTER_MATCHER(ignoringImpCasts);
 222   REGISTER_MATCHER(ignoringParenCasts);
 223   REGISTER_MATCHER(ignoringParenImpCasts);
 224   REGISTER_MATCHER(implicitCastExpr);
 225   REGISTER_MATCHER(incompleteArrayType);
 226   REGISTER_MATCHER(initListExpr);
 227   REGISTER_MATCHER(innerType);
 228   REGISTER_MATCHER(integerLiteral);
 229   REGISTER_MATCHER(isArrow);
 230   REGISTER_MATCHER(isConst);
 231   REGISTER_MATCHER(isConstQualified);
 232   REGISTER_MATCHER(isDefinition);
 233   REGISTER_MATCHER(isExplicitTemplateSpecialization);
 234   REGISTER_MATCHER(isExpr);
 235   REGISTER_MATCHER(isExternC);
 236   REGISTER_MATCHER(isImplicit);
 237   REGISTER_MATCHER(isInteger);
 238   REGISTER_MATCHER(isListInitialization);
 239   REGISTER_MATCHER(isOverride);
 240   REGISTER_MATCHER(isPrivate);
 241   REGISTER_MATCHER(isProtected);
 242   REGISTER_MATCHER(isPublic);
 243   REGISTER_MATCHER(isTemplateInstantiation);
 244   REGISTER_MATCHER(isVirtual);
 245   REGISTER_MATCHER(isWritten);
 246   REGISTER_MATCHER(lValueReferenceType);
 247   REGISTER_MATCHER(labelStmt);
 248   REGISTER_MATCHER(lambdaExpr);
 249   REGISTER_MATCHER(matchesName);
 250   REGISTER_MATCHER(materializeTemporaryExpr);
 251   REGISTER_MATCHER(member);
 252   REGISTER_MATCHER(memberCallExpr);
 253   REGISTER_MATCHER(memberExpr);
 254   REGISTER_MATCHER(memberPointerType);
 255   REGISTER_MATCHER(methodDecl);
 256   REGISTER_MATCHER(namedDecl);
 257   REGISTER_MATCHER(namesType);
 258   REGISTER_MATCHER(namespaceDecl);
 259   REGISTER_MATCHER(nestedNameSpecifier);
 260   REGISTER_MATCHER(nestedNameSpecifierLoc);
 261   REGISTER_MATCHER(newExpr);
 262   REGISTER_MATCHER(nullPtrLiteralExpr);
 263   REGISTER_MATCHER(nullStmt);
 264   REGISTER_MATCHER(ofClass);
 265   REGISTER_MATCHER(on);
 266   REGISTER_MATCHER(onImplicitObjectArgument);
 267   REGISTER_MATCHER(operatorCallExpr);
 268   REGISTER_MATCHER(parameterCountIs);
 269   REGISTER_MATCHER(parenType);
 270   REGISTER_MATCHER(parmVarDecl);
 271   REGISTER_MATCHER(pointee);
 272   REGISTER_MATCHER(pointerType);
 273   REGISTER_MATCHER(qualType);
 274   REGISTER_MATCHER(rValueReferenceType);
 275   REGISTER_MATCHER(recordDecl);
 276   REGISTER_MATCHER(recordType);
 277   REGISTER_MATCHER(referenceType);
 278   REGISTER_MATCHER(refersToDeclaration);
 279   REGISTER_MATCHER(refersToType);
 280   REGISTER_MATCHER(reinterpretCastExpr);
 281   REGISTER_MATCHER(returnStmt);
 282   REGISTER_MATCHER(returns);
 283   REGISTER_MATCHER(sizeOfExpr);
 284   REGISTER_MATCHER(specifiesNamespace);
 285   REGISTER_MATCHER(specifiesType);
 286   REGISTER_MATCHER(specifiesTypeLoc);
 287   REGISTER_MATCHER(statementCountIs);
 288   REGISTER_MATCHER(staticCastExpr);
 289   REGISTER_MATCHER(stmt);
 290   REGISTER_MATCHER(stringLiteral);
 291   REGISTER_MATCHER(switchCase);
 292   REGISTER_MATCHER(switchStmt);
 293   REGISTER_MATCHER(templateSpecializationType);
 294   REGISTER_MATCHER(temporaryObjectExpr);
 295   REGISTER_MATCHER(thisExpr);
 296   REGISTER_MATCHER(throughUsingDecl);
 297   REGISTER_MATCHER(throwExpr);
 298   REGISTER_MATCHER(to);
 299   REGISTER_MATCHER(tryStmt);
 300   REGISTER_MATCHER(type);
 301   REGISTER_MATCHER(typeLoc);
 302   REGISTER_MATCHER(typedefType);
 303   REGISTER_MATCHER(unaryExprOrTypeTraitExpr);
 304   REGISTER_MATCHER(unaryOperator);
 305   REGISTER_MATCHER(unaryTransformType);
 306   REGISTER_MATCHER(unless);
 307   REGISTER_MATCHER(unresolvedConstructExpr);
 308   REGISTER_MATCHER(unresolvedUsingValueDecl);
 309   REGISTER_MATCHER(userDefinedLiteral);
 310   REGISTER_MATCHER(usingDecl);
 311   REGISTER_MATCHER(varDecl);
 312   REGISTER_MATCHER(variableArrayType);
 313   REGISTER_MATCHER(whileStmt);
 314   REGISTER_MATCHER(withInitializer);
 315 }
 316
 317 RegistryMaps::~RegistryMaps() {
 318   for (ConstructorMap::iterator it = Constructors.begin(),
 319                                 end = Constructors.end();
 320        it != end; ++it) {
 321     delete it->second;
 322   }
 323 }
 324
 325 static llvm::ManagedStatic<RegistryMaps> RegistryData;
 326
 327 } // anonymous namespace
 328
 329 // static
 330 llvm::Optional<MatcherCtor> Registry::lookupMatcherCtor(StringRef MatcherName) {
 331   ConstructorMap::const_iterator it =
 332       RegistryData->constructors().find(MatcherName);
 333   return it == RegistryData->constructors().end()
 334              ? llvm::Optional<MatcherCtor>()
 335              : it->second;
 336 }
 337
 338 namespace {
 339
 340 llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
 341                               const std::set<ASTNodeKind> &KS) {
 342   unsigned Count = 0;
 343   for (std::set<ASTNodeKind>::const_iterator I = KS.begin(), E = KS.end();
 344        I != E; ++I) {
 345     if (I != KS.begin())
 346       OS << "|";
 347     if (Count++ == 3) {
 348       OS << "...";
 349       break;
 350     }
 351     OS << *I;
 352   }
 353   return OS;
 354 }
 355
 356 struct ReverseSpecificityThenName {
 357   bool operator()(const std::pair<unsigned, std::string> &A,
 358                   const std::pair<unsigned, std::string> &B) const {
 359     return A.first > B.first || (A.first == B.first && A.second < B.second);
 360   }
 361 };
 362
 363 }
 364
 365 std::vector<MatcherCompletion> Registry::getCompletions(
 366     ArrayRef<std::pair<MatcherCtor, unsigned> > Context) {
 367   ASTNodeKind InitialTypes[] = {
 368     ASTNodeKind::getFromNodeKind<Decl>(),
 369     ASTNodeKind::getFromNodeKind<QualType>(),
 370     ASTNodeKind::getFromNodeKind<Type>(),
 371     ASTNodeKind::getFromNodeKind<Stmt>(),
 372     ASTNodeKind::getFromNodeKind<NestedNameSpecifier>(),
 373     ASTNodeKind::getFromNodeKind<NestedNameSpecifierLoc>(),
 374     ASTNodeKind::getFromNodeKind<TypeLoc>()
 375   };
 376   ArrayRef<ASTNodeKind> InitialTypesRef(InitialTypes);
 377
 378   // Starting with the above seed of acceptable top-level matcher types, compute
 379   // the acceptable type set for the argument indicated by each context element.
 380   std::set<ASTNodeKind> TypeSet(InitialTypesRef.begin(), InitialTypesRef.end());
 381   for (ArrayRef<std::pair<MatcherCtor, unsigned> >::iterator
 382            CtxI = Context.begin(),
 383            CtxE = Context.end();
 384        CtxI != CtxE; ++CtxI) {
 385     std::vector<internal::ArgKind> NextTypeSet;
 386     for (std::set<ASTNodeKind>::iterator I = TypeSet.begin(), E = TypeSet.end();
 387          I != E; ++I) {
 388       if (CtxI->first->isConvertibleTo(*I) &&
 389           (CtxI->first->isVariadic() ||
 390            CtxI->second < CtxI->first->getNumArgs()))
 391         CtxI->first->getArgKinds(*I, CtxI->second, NextTypeSet);
 392     }
 393     TypeSet.clear();
 394     for (std::vector<internal::ArgKind>::iterator I = NextTypeSet.begin(),
 395                                                   E = NextTypeSet.end();
 396          I != E; ++I) {
 397       if (I->getArgKind() == internal::ArgKind::AK_Matcher)
 398         TypeSet.insert(I->getMatcherKind());
 399     }
 400   }
 401
 402   typedef std::map<std::pair<unsigned, std::string>, MatcherCompletion,
 403                    ReverseSpecificityThenName> CompletionsTy;
 404   CompletionsTy Completions;
 405
 406   // TypeSet now contains the list of acceptable types for the argument we are
 407   // completing.  Search the registry for acceptable matchers.
 408   for (ConstructorMap::const_iterator I = RegistryData->constructors().begin(),
 409                                       E = RegistryData->constructors().end();
 410        I != E; ++I) {
 411     std::set<ASTNodeKind> RetKinds;
 412     unsigned NumArgs = I->second->isVariadic() ? 1 : I->second->getNumArgs();
 413     bool IsPolymorphic = I->second->isPolymorphic();
 414     std::vector<std::vector<internal::ArgKind> > ArgsKinds(NumArgs);
 415     unsigned MaxSpecificity = 0;
 416     for (std::set<ASTNodeKind>::iterator TI = TypeSet.begin(),
 417                                          TE = TypeSet.end();
 418          TI != TE; ++TI) {
 419       unsigned Specificity;
 420       ASTNodeKind LeastDerivedKind;
 421       if (I->second->isConvertibleTo(*TI, &Specificity, &LeastDerivedKind)) {
 422         if (MaxSpecificity < Specificity)
 423           MaxSpecificity = Specificity;
 424         RetKinds.insert(LeastDerivedKind);
 425         for (unsigned Arg = 0; Arg != NumArgs; ++Arg)
 426           I->second->getArgKinds(*TI, Arg, ArgsKinds[Arg]);
 427         if (IsPolymorphic)
 428           break;
 429       }
 430     }
 431
 432     if (!RetKinds.empty() && MaxSpecificity > 0) {
 433       std::string Decl;
 434       llvm::raw_string_ostream OS(Decl);
 435
 436       if (IsPolymorphic) {
 437         OS << "Matcher<T> " << I->first() << "(Matcher<T>";
 438       } else {
 439         OS << "Matcher<" << RetKinds << "> " << I->first() << "(";
 440         for (std::vector<std::vector<internal::ArgKind> >::iterator
 441                  KI = ArgsKinds.begin(),
 442                  KE = ArgsKinds.end();
 443              KI != KE; ++KI) {
 444           if (KI != ArgsKinds.begin())
 445             OS << ", ";
 446           // This currently assumes that a matcher may not overload a
 447           // non-matcher, and all non-matcher overloads have identical
 448           // arguments.
 449           if ((*KI)[0].getArgKind() == internal::ArgKind::AK_Matcher) {
 450             std::set<ASTNodeKind> MatcherKinds;
 451             std::transform(
 452                 KI->begin(), KI->end(),
 453                 std::inserter(MatcherKinds, MatcherKinds.end()),
 454                 std::mem_fun_ref(&internal::ArgKind::getMatcherKind));
 455             OS << "Matcher<" << MatcherKinds << ">";
 456           } else {
 457             OS << (*KI)[0].asString();
 458           }
 459         }
 460       }
 461       if (I->second->isVariadic())
 462         OS << "...";
 463       OS << ")";
 464
 465       std::string TypedText = I->first();
 466       TypedText += "(";
 467       if (ArgsKinds.empty())
 468         TypedText += ")";
 469       else if (ArgsKinds[0][0].getArgKind() == internal::ArgKind::AK_String)
 470         TypedText += "\"";
 471
 472       Completions[std::make_pair(MaxSpecificity, I->first())] =
 473           MatcherCompletion(TypedText, OS.str());
 474     }
 475   }
 476
 477   std::vector<MatcherCompletion> RetVal;
 478   for (CompletionsTy::iterator I = Completions.begin(), E = Completions.end();
 479        I != E; ++I)
 480     RetVal.push_back(I->second);
 481   return RetVal;
 482 }
 483
 484 // static
 485 VariantMatcher Registry::constructMatcher(MatcherCtor Ctor,
 486                                           const SourceRange &NameRange,
 487                                           ArrayRef<ParserValue> Args,
 488                                           Diagnostics *Error) {
 489   return Ctor->create(NameRange, Args, Error);
 490 }
 491
 492 // static
 493 VariantMatcher Registry::constructBoundMatcher(MatcherCtor Ctor,
 494                                                const SourceRange &NameRange,
 495                                                StringRef BindID,
 496                                                ArrayRef<ParserValue> Args,
 497                                                Diagnostics *Error) {
 498   VariantMatcher Out = constructMatcher(Ctor, NameRange, Args, Error);
 499   if (Out.isNull()) return Out;
 500
 501   llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher();
 502   if (Result.hasValue()) {
 503     llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID);
 504     if (Bound.hasValue()) {
 505       return VariantMatcher::SingleMatcher(*Bound);
 506     }
 507   }
 508   Error->addError(NameRange, Error->ET_RegistryNotBindable);
 509   return VariantMatcher();
 510 }
 511
 512 }  // namespace dynamic
 513 }  // namespace ast_matchers
 514 }  // namespace clang