//===- Registry.cpp - Matcher registry ------------------------------------===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

/// \file

/// Registry map populated at static initialization time.

//

//===----------------------------------------------------------------------===//

#include "clang/ASTMatchers/Dynamic/Registry.h"

#include "Marshallers.h"

#include "clang/AST/ASTTypeTraits.h"

#include "clang/ASTMatchers/ASTMatchers.h"

#include "clang/ASTMatchers/Dynamic/Diagnostics.h"

#include "clang/ASTMatchers/Dynamic/VariantValue.h"

#include "llvm/ADT/Optional.h"

#include "llvm/ADT/STLExtras.h"

#include "llvm/ADT/StringMap.h"

#include "llvm/ADT/StringRef.h"

#include "llvm/Support/ManagedStatic.h"

#include "llvm/Support/raw_ostream.h"

#include <cassert>

#include <iterator>

#include <memory>

#include <set>

#include <string>

#include <utility>

#include <vector>

using namespace clang::ast_type_traits;

namespace clang {

namespace ast_matchers {

namespace dynamic {

namespace {

using internal::MatcherDescriptor;

using ConstructorMap =

    llvm::StringMap<std::unique_ptr<const MatcherDescriptor>>;

class RegistryMaps {

public:

  RegistryMaps();

  ~RegistryMaps();

  const ConstructorMap &constructors() const { return Constructors; }

private:

  void registerMatcher(StringRef MatcherName,

                       std::unique_ptr<MatcherDescriptor> Callback);

  ConstructorMap Constructors;

};

} // namespace

void RegistryMaps::registerMatcher(

    StringRef MatcherName, std::unique_ptr<MatcherDescriptor> Callback) {

  assert(Constructors.find(MatcherName) == Constructors.end());

  Constructors[MatcherName] = std::move(Callback);

}

#define REGISTER_MATCHER(name)                                                 \

  registerMatcher(#name, internal::makeMatcherAutoMarshall(                    \

                             ::clang::ast_matchers::name, #name));

#define REGISTER_MATCHER_OVERLOAD(name)                                        \

  registerMatcher(#name,                                                       \

      std::make_unique<internal::OverloadedMatcherDescriptor>(name##Callbacks))

#define SPECIFIC_MATCHER_OVERLOAD(name, Id)                                    \

  static_cast<::clang::ast_matchers::name##_Type##Id>(                         \

      ::clang::ast_matchers::name)

#define MATCHER_OVERLOAD_ENTRY(name, Id)                                       \

        internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, Id), \

                                          #name)

#define REGISTER_OVERLOADED_2(name)                                            \

  do {                                                                         \

    std::unique_ptr<MatcherDescriptor> name##Callbacks[] = {                   \

        MATCHER_OVERLOAD_ENTRY(name, 0),                                       \

        MATCHER_OVERLOAD_ENTRY(name, 1)};                                      \

    REGISTER_MATCHER_OVERLOAD(name);                                           \

  } while (false)

#define REGISTER_REGEX_MATCHER(name)                                           \

  registerMatcher(#name, internal::makeMatcherRegexMarshall(name, name))

/// Generate a registry map with all the known matchers.

/// Please keep sorted alphabetically!

RegistryMaps::RegistryMaps() {

  // TODO: Here is the list of the missing matchers, grouped by reason.

  //

  // Polymorphic + argument overload:

  // findAll

  //

  // Other:

  // equalsNode

  REGISTER_OVERLOADED_2(callee);

  REGISTER_OVERLOADED_2(hasAnyCapture);

  REGISTER_OVERLOADED_2(hasPrefix);

  REGISTER_OVERLOADED_2(hasType);

  REGISTER_OVERLOADED_2(ignoringParens);

  REGISTER_OVERLOADED_2(isDerivedFrom);

  REGISTER_OVERLOADED_2(isDirectlyDerivedFrom);

  REGISTER_OVERLOADED_2(isSameOrDerivedFrom);

  REGISTER_OVERLOADED_2(loc);

  REGISTER_OVERLOADED_2(pointsTo);

  REGISTER_OVERLOADED_2(references);

  REGISTER_OVERLOADED_2(thisPointerType);

  std::unique_ptr<MatcherDescriptor> equalsCallbacks[] = {

      MATCHER_OVERLOAD_ENTRY(equals, 0),

      MATCHER_OVERLOAD_ENTRY(equals, 1),

      MATCHER_OVERLOAD_ENTRY(equals, 2),

  };

  REGISTER_MATCHER_OVERLOAD(equals);

  REGISTER_REGEX_MATCHER(isExpansionInFileMatching);

  REGISTER_REGEX_MATCHER(matchesName);

  REGISTER_REGEX_MATCHER(matchesSelector);

  REGISTER_MATCHER(accessSpecDecl);

  REGISTER_MATCHER(addrLabelExpr);

  REGISTER_MATCHER(alignOfExpr);

  REGISTER_MATCHER(allOf);

  REGISTER_MATCHER(anyOf);

  REGISTER_MATCHER(anything);

  REGISTER_MATCHER(argumentCountIs);

  REGISTER_MATCHER(arraySubscriptExpr);

  REGISTER_MATCHER(arrayType);

  REGISTER_MATCHER(asString);

  REGISTER_MATCHER(asmStmt);

  REGISTER_MATCHER(atomicExpr);

  REGISTER_MATCHER(atomicType);

  REGISTER_MATCHER(autoType);

  REGISTER_MATCHER(autoreleasePoolStmt)

  REGISTER_MATCHER(binaryConditionalOperator);

  REGISTER_MATCHER(binaryOperator);

  REGISTER_MATCHER(blockDecl);

  REGISTER_MATCHER(blockExpr);

  REGISTER_MATCHER(blockPointerType);

  REGISTER_MATCHER(booleanType);

  REGISTER_MATCHER(breakStmt);

  REGISTER_MATCHER(builtinType);

  REGISTER_MATCHER(cStyleCastExpr);

  REGISTER_MATCHER(callExpr);

  REGISTER_MATCHER(caseStmt);

  REGISTER_MATCHER(castExpr);

  REGISTER_MATCHER(characterLiteral);

  REGISTER_MATCHER(chooseExpr);

  REGISTER_MATCHER(classTemplateDecl);

  REGISTER_MATCHER(classTemplatePartialSpecializationDecl);

  REGISTER_MATCHER(classTemplateSpecializationDecl);

  REGISTER_MATCHER(complexType);

  REGISTER_MATCHER(compoundLiteralExpr);

  REGISTER_MATCHER(compoundStmt);

  REGISTER_MATCHER(conditionalOperator);

  REGISTER_MATCHER(constantArrayType);

  REGISTER_MATCHER(constantExpr);

  REGISTER_MATCHER(containsDeclaration);

  REGISTER_MATCHER(continueStmt);

  REGISTER_MATCHER(cudaKernelCallExpr);

  REGISTER_MATCHER(cxxBindTemporaryExpr);

  REGISTER_MATCHER(cxxBoolLiteral);

  REGISTER_MATCHER(cxxCatchStmt);

  REGISTER_MATCHER(cxxConstCastExpr);

  REGISTER_MATCHER(cxxConstructExpr);

  REGISTER_MATCHER(cxxConstructorDecl);

  REGISTER_MATCHER(cxxConversionDecl);

  REGISTER_MATCHER(cxxCtorInitializer);

  REGISTER_MATCHER(cxxDeductionGuideDecl);

  REGISTER_MATCHER(cxxDefaultArgExpr);

  REGISTER_MATCHER(cxxDeleteExpr);

  REGISTER_MATCHER(cxxDependentScopeMemberExpr);

  REGISTER_MATCHER(cxxDestructorDecl);

  REGISTER_MATCHER(cxxDynamicCastExpr);

  REGISTER_MATCHER(cxxForRangeStmt);

  REGISTER_MATCHER(cxxFunctionalCastExpr);

  REGISTER_MATCHER(cxxMemberCallExpr);

  REGISTER_MATCHER(cxxMethodDecl);

  REGISTER_MATCHER(cxxNewExpr);

  REGISTER_MATCHER(cxxNoexceptExpr);

  REGISTER_MATCHER(cxxNullPtrLiteralExpr);

  REGISTER_MATCHER(cxxOperatorCallExpr);

  REGISTER_MATCHER(cxxRecordDecl);

  REGISTER_MATCHER(cxxReinterpretCastExpr);

  REGISTER_MATCHER(cxxStaticCastExpr);

  REGISTER_MATCHER(cxxStdInitializerListExpr);

  REGISTER_MATCHER(cxxTemporaryObjectExpr);

  REGISTER_MATCHER(cxxThisExpr);

  REGISTER_MATCHER(cxxThrowExpr);

  REGISTER_MATCHER(cxxTryStmt);

  REGISTER_MATCHER(cxxUnresolvedConstructExpr);

  REGISTER_MATCHER(decayedType);

  REGISTER_MATCHER(decl);

  REGISTER_MATCHER(decompositionDecl);

  REGISTER_MATCHER(declCountIs);

  REGISTER_MATCHER(declRefExpr);

  REGISTER_MATCHER(declStmt);

  REGISTER_MATCHER(declaratorDecl);

  REGISTER_MATCHER(decltypeType);

  REGISTER_MATCHER(deducedTemplateSpecializationType);

  REGISTER_MATCHER(defaultStmt);

  REGISTER_MATCHER(dependentSizedArrayType);

  REGISTER_MATCHER(designatedInitExpr);

  REGISTER_MATCHER(designatorCountIs);

  REGISTER_MATCHER(doStmt);

  REGISTER_MATCHER(eachOf);

  REGISTER_MATCHER(elaboratedType);

  REGISTER_MATCHER(enumConstantDecl);

  REGISTER_MATCHER(enumDecl);

  REGISTER_MATCHER(enumType);

  REGISTER_MATCHER(equalsBoundNode);

  REGISTER_MATCHER(equalsIntegralValue);

  REGISTER_MATCHER(explicitCastExpr);

  REGISTER_MATCHER(expr);

  REGISTER_MATCHER(exprWithCleanups);

  REGISTER_MATCHER(fieldDecl);

  REGISTER_MATCHER(floatLiteral);

  REGISTER_MATCHER(forEach);

  REGISTER_MATCHER(forEachArgumentWithParam);

  REGISTER_MATCHER(forEachArgumentWithParamType);

  REGISTER_MATCHER(forEachConstructorInitializer);

  REGISTER_MATCHER(forEachDescendant);

  REGISTER_MATCHER(forEachOverridden);

  REGISTER_MATCHER(forEachSwitchCase);

  REGISTER_MATCHER(forField);

  REGISTER_MATCHER(forFunction);

  REGISTER_MATCHER(forStmt);

  REGISTER_MATCHER(friendDecl);

  REGISTER_MATCHER(functionDecl);

  REGISTER_MATCHER(functionProtoType);

  REGISTER_MATCHER(functionTemplateDecl);

  REGISTER_MATCHER(functionType);

  REGISTER_MATCHER(gnuNullExpr);

  REGISTER_MATCHER(gotoStmt);

  REGISTER_MATCHER(has);

  REGISTER_MATCHER(hasAncestor);

  REGISTER_MATCHER(hasAnyArgument);

  REGISTER_MATCHER(hasAnyBase);

  REGISTER_MATCHER(hasAnyClause);

  REGISTER_MATCHER(hasAnyConstructorInitializer);

  REGISTER_MATCHER(hasAnyDeclaration);

  REGISTER_MATCHER(hasAnyName);

  REGISTER_MATCHER(hasAnyOperatorName);

  REGISTER_MATCHER(hasAnyOverloadedOperatorName);

  REGISTER_MATCHER(hasAnyParameter);

  REGISTER_MATCHER(hasAnyPlacementArg);

  REGISTER_MATCHER(hasAnySelector);

  REGISTER_MATCHER(hasAnySubstatement);

  REGISTER_MATCHER(hasAnyTemplateArgument);

  REGISTER_MATCHER(hasAnyUsingShadowDecl);

  REGISTER_MATCHER(hasArgument);

  REGISTER_MATCHER(hasArgumentOfType);

  REGISTER_MATCHER(hasArraySize);

  REGISTER_MATCHER(hasAttr);

  REGISTER_MATCHER(hasAutomaticStorageDuration);

  REGISTER_MATCHER(hasBase);

  REGISTER_MATCHER(hasBitWidth);

  REGISTER_MATCHER(hasBody);

  REGISTER_MATCHER(hasCanonicalType);

  REGISTER_MATCHER(hasCaseConstant);

  REGISTER_MATCHER(hasCastKind);

  REGISTER_MATCHER(hasCondition);

  REGISTER_MATCHER(hasConditionVariableStatement);

  REGISTER_MATCHER(hasDecayedType);

  REGISTER_MATCHER(hasDeclContext);

  REGISTER_MATCHER(hasDeclaration);

  REGISTER_MATCHER(hasDeducedType);

  REGISTER_MATCHER(hasDefaultArgument);

  REGISTER_MATCHER(hasDefinition);

  REGISTER_MATCHER(hasDescendant);

  REGISTER_MATCHER(hasDestinationType);

  REGISTER_MATCHER(hasDirectBase);

  REGISTER_MATCHER(hasDynamicExceptionSpec);

  REGISTER_MATCHER(hasEitherOperand);

  REGISTER_MATCHER(hasElementType);

  REGISTER_MATCHER(hasElse);

  REGISTER_MATCHER(hasExplicitSpecifier);

  REGISTER_MATCHER(hasExternalFormalLinkage);

  REGISTER_MATCHER(hasFalseExpression);

  REGISTER_MATCHER(hasGlobalStorage);

  REGISTER_MATCHER(hasImplicitDestinationType);

  REGISTER_MATCHER(hasInClassInitializer);

  REGISTER_MATCHER(hasIncrement);

  REGISTER_MATCHER(hasIndex);

  REGISTER_MATCHER(hasInit);

  REGISTER_MATCHER(hasInitializer);

  REGISTER_MATCHER(hasInitStatement);

  REGISTER_MATCHER(hasKeywordSelector);

  REGISTER_MATCHER(hasLHS);

  REGISTER_MATCHER(hasLocalQualifiers);

  REGISTER_MATCHER(hasLocalStorage);

  REGISTER_MATCHER(hasLoopInit);

  REGISTER_MATCHER(hasLoopVariable);

  REGISTER_MATCHER(hasMethod);

  REGISTER_MATCHER(hasName);

  REGISTER_MATCHER(hasNullSelector);

  REGISTER_MATCHER(hasObjectExpression);

  REGISTER_MATCHER(hasOperands);

  REGISTER_MATCHER(hasOperatorName);

  REGISTER_MATCHER(hasOverloadedOperatorName);

  REGISTER_MATCHER(hasParameter);

  REGISTER_MATCHER(hasParent);

  REGISTER_MATCHER(hasQualifier);

  REGISTER_MATCHER(hasRHS);

  REGISTER_MATCHER(hasRangeInit);

  REGISTER_MATCHER(hasReceiver);

  REGISTER_MATCHER(hasReceiverType);

  REGISTER_MATCHER(hasReplacementType);

  REGISTER_MATCHER(hasReturnValue);

  REGISTER_MATCHER(hasPlacementArg);

  REGISTER_MATCHER(hasSelector);

  REGISTER_MATCHER(hasSingleDecl);

  REGISTER_MATCHER(hasSize);

  REGISTER_MATCHER(hasSizeExpr);

  REGISTER_MATCHER(hasSourceExpression);

  REGISTER_MATCHER(hasSpecializedTemplate);

  REGISTER_MATCHER(hasStaticStorageDuration);

  REGISTER_MATCHER(hasStructuredBlock);

  REGISTER_MATCHER(hasSyntacticForm);

  REGISTER_MATCHER(hasTargetDecl);

  REGISTER_MATCHER(hasTemplateArgument);

  REGISTER_MATCHER(hasThen);

  REGISTER_MATCHER(hasThreadStorageDuration);

  REGISTER_MATCHER(hasTrailingReturn);

  REGISTER_MATCHER(hasTrueExpression);

  REGISTER_MATCHER(hasTypeLoc);

  REGISTER_MATCHER(hasUnaryOperand);

  REGISTER_MATCHER(hasUnarySelector);

  REGISTER_MATCHER(hasUnderlyingDecl);

  REGISTER_MATCHER(hasUnderlyingType);

  REGISTER_MATCHER(hasUnqualifiedDesugaredType);

  REGISTER_MATCHER(hasValueType);

  REGISTER_MATCHER(ifStmt);

  REGISTER_MATCHER(ignoringElidableConstructorCall);

  REGISTER_MATCHER(ignoringImpCasts);

  REGISTER_MATCHER(ignoringImplicit);

  REGISTER_MATCHER(ignoringParenCasts);

  REGISTER_MATCHER(ignoringParenImpCasts);

  REGISTER_MATCHER(imaginaryLiteral);

  REGISTER_MATCHER(implicitCastExpr);

  REGISTER_MATCHER(implicitValueInitExpr);

  REGISTER_MATCHER(incompleteArrayType);

  REGISTER_MATCHER(indirectFieldDecl);

  REGISTER_MATCHER(initListExpr);

  REGISTER_MATCHER(injectedClassNameType);

  REGISTER_MATCHER(innerType);

  REGISTER_MATCHER(integerLiteral);

  REGISTER_MATCHER(isAllowedToContainClauseKind);

  REGISTER_MATCHER(isAnonymous);

  REGISTER_MATCHER(isAnyCharacter);

  REGISTER_MATCHER(isAnyPointer);

  REGISTER_MATCHER(isArray);

  REGISTER_MATCHER(isArrow);

  REGISTER_MATCHER(isAssignmentOperator);

  REGISTER_MATCHER(isAtPosition);

  REGISTER_MATCHER(isBaseInitializer);

  REGISTER_MATCHER(isBitField);

  REGISTER_MATCHER(isCatchAll);

  REGISTER_MATCHER(isClass);

  REGISTER_MATCHER(isClassMessage);

  REGISTER_MATCHER(isClassMethod);

  REGISTER_MATCHER(isComparisonOperator);

  REGISTER_MATCHER(isConst);

  REGISTER_MATCHER(isConstQualified);

  REGISTER_MATCHER(isConstexpr);

  REGISTER_MATCHER(isCopyAssignmentOperator);

  REGISTER_MATCHER(isCopyConstructor);

  REGISTER_MATCHER(isDefaultConstructor);

  REGISTER_MATCHER(isDefaulted);

  REGISTER_MATCHER(isDefinition);

  REGISTER_MATCHER(isDelegatingConstructor);

  REGISTER_MATCHER(isDeleted);

  REGISTER_MATCHER(isEnum);

  REGISTER_MATCHER(isExceptionVariable);

  REGISTER_MATCHER(isExpandedFromMacro);

  REGISTER_MATCHER(isExpansionInMainFile);

  REGISTER_MATCHER(isExpansionInSystemHeader);

  REGISTER_MATCHER(isExplicit);

  REGISTER_MATCHER(isExplicitTemplateSpecialization);

  REGISTER_MATCHER(isExpr);

  REGISTER_MATCHER(isExternC);

  REGISTER_MATCHER(isFinal);

  REGISTER_MATCHER(isFirstPrivateKind);

  REGISTER_MATCHER(isImplicit);

  REGISTER_MATCHER(isInStdNamespace);

  REGISTER_MATCHER(isInTemplateInstantiation);

  REGISTER_MATCHER(isInline);

  REGISTER_MATCHER(isInstanceMessage);

  REGISTER_MATCHER(isInstanceMethod);

  REGISTER_MATCHER(isInstantiated);

  REGISTER_MATCHER(isInstantiationDependent);

  REGISTER_MATCHER(isInteger);

  REGISTER_MATCHER(isIntegral);

  REGISTER_MATCHER(isLambda);

  REGISTER_MATCHER(isListInitialization);

  REGISTER_MATCHER(isMain);

  REGISTER_MATCHER(isMemberInitializer);

  REGISTER_MATCHER(isMoveAssignmentOperator);

  REGISTER_MATCHER(isMoveConstructor);

  REGISTER_MATCHER(isNoReturn);

  REGISTER_MATCHER(isNoThrow);

  REGISTER_MATCHER(isNoneKind);

  REGISTER_MATCHER(isOverride);

  REGISTER_MATCHER(isPrivate);

  REGISTER_MATCHER(isProtected);

  REGISTER_MATCHER(isPublic);

  REGISTER_MATCHER(isPure);

  REGISTER_MATCHER(isScoped);

  REGISTER_MATCHER(isSharedKind);

  REGISTER_MATCHER(isSignedInteger);

  REGISTER_MATCHER(isStandaloneDirective);

  REGISTER_MATCHER(isStaticLocal);

  REGISTER_MATCHER(isStaticStorageClass);

  REGISTER_MATCHER(isStruct);

  REGISTER_MATCHER(isTemplateInstantiation);

  REGISTER_MATCHER(isTypeDependent);

  REGISTER_MATCHER(isUnion);

  REGISTER_MATCHER(isUnsignedInteger);

  REGISTER_MATCHER(isUserProvided);

  REGISTER_MATCHER(isValueDependent);

  REGISTER_MATCHER(isVariadic);

  REGISTER_MATCHER(isVirtual);

  REGISTER_MATCHER(isVirtualAsWritten);

  REGISTER_MATCHER(isVolatileQualified);

  REGISTER_MATCHER(isWritten);

  REGISTER_MATCHER(lValueReferenceType);

  REGISTER_MATCHER(labelDecl);

  REGISTER_MATCHER(labelStmt);

  REGISTER_MATCHER(lambdaExpr);

  REGISTER_MATCHER(linkageSpecDecl);

  REGISTER_MATCHER(materializeTemporaryExpr);

  REGISTER_MATCHER(member);

  REGISTER_MATCHER(memberExpr);

  REGISTER_MATCHER(memberPointerType);

  REGISTER_MATCHER(namedDecl);

  REGISTER_MATCHER(namesType);

  REGISTER_MATCHER(namespaceAliasDecl);

  REGISTER_MATCHER(namespaceDecl);

  REGISTER_MATCHER(nestedNameSpecifier);

  REGISTER_MATCHER(nestedNameSpecifierLoc);

  REGISTER_MATCHER(nonTypeTemplateParmDecl);

  REGISTER_MATCHER(nullPointerConstant);

  REGISTER_MATCHER(nullStmt);

  REGISTER_MATCHER(numSelectorArgs);

  REGISTER_MATCHER(objcCatchStmt);

  REGISTER_MATCHER(objcCategoryDecl);

  REGISTER_MATCHER(objcCategoryImplDecl);

  REGISTER_MATCHER(objcFinallyStmt);

  REGISTER_MATCHER(objcImplementationDecl);

  REGISTER_MATCHER(objcInterfaceDecl);

  REGISTER_MATCHER(objcIvarDecl);

  REGISTER_MATCHER(objcIvarRefExpr);

  REGISTER_MATCHER(objcMessageExpr);

  REGISTER_MATCHER(objcMethodDecl);

  REGISTER_MATCHER(objcObjectPointerType);

  REGISTER_MATCHER(objcPropertyDecl);

  REGISTER_MATCHER(objcProtocolDecl);

  REGISTER_MATCHER(objcThrowStmt);

  REGISTER_MATCHER(objcTryStmt);

  REGISTER_MATCHER(ofClass);

  REGISTER_MATCHER(ofKind);

  REGISTER_MATCHER(ompDefaultClause);

  REGISTER_MATCHER(ompExecutableDirective);

  REGISTER_MATCHER(on);

  REGISTER_MATCHER(onImplicitObjectArgument);

  REGISTER_MATCHER(opaqueValueExpr);

  REGISTER_MATCHER(optionally);

  REGISTER_MATCHER(parameterCountIs);

  REGISTER_MATCHER(parenExpr);

  REGISTER_MATCHER(parenListExpr);

  REGISTER_MATCHER(parenType);

  REGISTER_MATCHER(parmVarDecl);

  REGISTER_MATCHER(pointee);

  REGISTER_MATCHER(pointerType);

  REGISTER_MATCHER(predefinedExpr);

  REGISTER_MATCHER(qualType);

  REGISTER_MATCHER(rValueReferenceType);

  REGISTER_MATCHER(realFloatingPointType);

  REGISTER_MATCHER(recordDecl);

  REGISTER_MATCHER(recordType);

  REGISTER_MATCHER(referenceType);

  REGISTER_MATCHER(refersToDeclaration);

  REGISTER_MATCHER(refersToIntegralType);

  REGISTER_MATCHER(refersToTemplate);

  REGISTER_MATCHER(refersToType);

  REGISTER_MATCHER(requiresZeroInitialization);

  REGISTER_MATCHER(returnStmt);

  REGISTER_MATCHER(returns);

  REGISTER_MATCHER(sizeOfExpr);

  REGISTER_MATCHER(specifiesNamespace);

  REGISTER_MATCHER(specifiesType);

  REGISTER_MATCHER(specifiesTypeLoc);

  REGISTER_MATCHER(statementCountIs);

  REGISTER_MATCHER(staticAssertDecl);

  REGISTER_MATCHER(stmt);

  REGISTER_MATCHER(stmtExpr);

  REGISTER_MATCHER(stringLiteral);

  REGISTER_MATCHER(substNonTypeTemplateParmExpr);

  REGISTER_MATCHER(substTemplateTypeParmType);

  REGISTER_MATCHER(switchCase);

  REGISTER_MATCHER(switchStmt);

  REGISTER_MATCHER(tagDecl);

  REGISTER_MATCHER(tagType);

  REGISTER_MATCHER(templateArgument);

  REGISTER_MATCHER(templateArgumentCountIs);

  REGISTER_MATCHER(templateName);

  REGISTER_MATCHER(templateSpecializationType);

  REGISTER_MATCHER(templateTemplateParmDecl);

  REGISTER_MATCHER(templateTypeParmDecl);

  REGISTER_MATCHER(templateTypeParmType);

  REGISTER_MATCHER(throughUsingDecl);

  REGISTER_MATCHER(to);

  REGISTER_MATCHER(translationUnitDecl);

  REGISTER_MATCHER(type);

  REGISTER_MATCHER(typeAliasDecl);

  REGISTER_MATCHER(typeAliasTemplateDecl);

  REGISTER_MATCHER(typeLoc);

  REGISTER_MATCHER(typedefDecl);

  REGISTER_MATCHER(typedefNameDecl);

  REGISTER_MATCHER(typedefType);

  REGISTER_MATCHER(unaryExprOrTypeTraitExpr);

  REGISTER_MATCHER(unaryOperator);

  REGISTER_MATCHER(unaryTransformType);

  REGISTER_MATCHER(unless);

  REGISTER_MATCHER(unresolvedLookupExpr);

  REGISTER_MATCHER(unresolvedMemberExpr);

  REGISTER_MATCHER(unresolvedUsingTypenameDecl);

  REGISTER_MATCHER(unresolvedUsingValueDecl);

  REGISTER_MATCHER(userDefinedLiteral);

  REGISTER_MATCHER(usesADL);

  REGISTER_MATCHER(usingDecl);

  REGISTER_MATCHER(usingDirectiveDecl);

  REGISTER_MATCHER(valueDecl);

  REGISTER_MATCHER(varDecl);

  REGISTER_MATCHER(variableArrayType);

  REGISTER_MATCHER(voidType);

  REGISTER_MATCHER(whileStmt);

  REGISTER_MATCHER(withInitializer);

}

RegistryMaps::~RegistryMaps() = default;

static llvm::ManagedStatic<RegistryMaps> RegistryData;

// static

llvm::Optional<MatcherCtor> Registry::lookupMatcherCtor(StringRef MatcherName) {

  auto it = RegistryData->constructors().find(MatcherName);

  return it == RegistryData->constructors().end()

             ? llvm::Optional<MatcherCtor>()

             : it->second.get();

}

static llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,

                                     const std::set<ASTNodeKind> &KS) {

  unsigned Count = 0;

  for (std::set<ASTNodeKind>::const_iterator I = KS.begin(), E = KS.end();

       I != E; 
++I1.42k
) {

    if (I != KS.begin())

      OS << "|";

    if (Count++ == 3) {

      OS << "...";

      break;

    }

    OS << *I;

  }

  return OS;

}

std::vector<ArgKind> Registry::getAcceptedCompletionTypes(

    ArrayRef<std::pair<MatcherCtor, unsigned>> Context) {

  ASTNodeKind InitialTypes[] = {

      ASTNodeKind::getFromNodeKind<Decl>(),

      ASTNodeKind::getFromNodeKind<QualType>(),

      ASTNodeKind::getFromNodeKind<Type>(),

      ASTNodeKind::getFromNodeKind<Stmt>(),

      ASTNodeKind::getFromNodeKind<NestedNameSpecifier>(),

      ASTNodeKind::getFromNodeKind<NestedNameSpecifierLoc>(),

      ASTNodeKind::getFromNodeKind<TypeLoc>()};

  // Starting with the above seed of acceptable top-level matcher types, compute

  // the acceptable type set for the argument indicated by each context element.

  std::set<ArgKind> TypeSet(std::begin(InitialTypes), std::end(InitialTypes));

  for (const auto &CtxEntry : Context) {

    MatcherCtor Ctor = CtxEntry.first;

    unsigned ArgNumber = CtxEntry.second;

    std::vector<ArgKind> NextTypeSet;

    for (const ArgKind &Kind : TypeSet) {

      if (Kind.getArgKind() == Kind.AK_Matcher &&

          Ctor->isConvertibleTo(Kind.getMatcherKind()) &&

          (Ctor->isVariadic() || 
ArgNumber < Ctor->getNumArgs()1
))

        Ctor->getArgKinds(Kind.getMatcherKind(), ArgNumber, NextTypeSet);

    }

    TypeSet.clear();

    TypeSet.insert(NextTypeSet.begin(), NextTypeSet.end());

  }

  return std::vector<ArgKind>(TypeSet.begin(), TypeSet.end());

}

std::vector<MatcherCompletion>

Registry::getMatcherCompletions(ArrayRef<ArgKind> AcceptedTypes) {

  std::vector<MatcherCompletion> Completions;

  // Search the registry for acceptable matchers.

  for (const auto &M : RegistryData->constructors()) {

    const MatcherDescriptor& Matcher = *M.getValue();

    StringRef Name = M.getKey();

    std::set<ASTNodeKind> RetKinds;

    unsigned NumArgs = Matcher.isVariadic() ? 
12.04k
 : Matcher.getNumArgs();

    bool IsPolymorphic = Matcher.isPolymorphic();

    std::vector<std::vector<ArgKind>> ArgsKinds(NumArgs);

    unsigned MaxSpecificity = 0;

    for (const ArgKind& Kind : AcceptedTypes) {

      if (Kind.getArgKind() != Kind.AK_Matcher)

        continue;

      unsigned Specificity;

      ASTNodeKind LeastDerivedKind;

      if (Matcher.isConvertibleTo(Kind.getMatcherKind(), &Specificity,

                                  &LeastDerivedKind)) {

        if (MaxSpecificity < Specificity)

          MaxSpecificity = Specificity;

        RetKinds.insert(LeastDerivedKind);

        for (unsigned Arg = 0; Arg != NumArgs; 
++Arg1.03k
)

          Matcher.getArgKinds(Kind.getMatcherKind(), Arg, ArgsKinds[Arg]);

        if (IsPolymorphic)

          break;

      }

    }

    if (!RetKinds.empty() && 
MaxSpecificity > 01.09k
) {

      std::string Decl;

      llvm::raw_string_ostream OS(Decl);

      if (IsPolymorphic) {

        OS << "Matcher<T> " << Name << "(Matcher<T>";

      } else {

        OS << "Matcher<" << RetKinds << "> " << Name << "(";

        for (const std::vector<ArgKind> &Arg : ArgsKinds) {

          if (&Arg != &ArgsKinds[0])

            OS << ", ";

          bool FirstArgKind = true;

          std::set<ASTNodeKind> MatcherKinds;

          // Two steps. First all non-matchers, then matchers only.

          for (const ArgKind &AK : Arg) {

            if (AK.getArgKind() == ArgKind::AK_Matcher) {

              MatcherKinds.insert(AK.getMatcherKind());

            } else {

              if (!FirstArgKind) 
OS << "|"10
;

              FirstArgKind = false;

              OS << AK.asString();

            }

          }

          if (!MatcherKinds.empty()) {

            if (!FirstArgKind) 
OS << "|"3
;

            OS << "Matcher<" << MatcherKinds << ">";

          }

        }

      }

      if (Matcher.isVariadic())

        OS << "...";

      OS << ")";

      std::string TypedText = std::string(Name);

      TypedText += "(";

      if (ArgsKinds.empty())

        TypedText += ")";

      else if (ArgsKinds[0][0].getArgKind() == ArgKind::AK_String)

        TypedText += "\"";

      Completions.emplace_back(TypedText, OS.str(), MaxSpecificity);

    }

  }

  return Completions;

}

VariantMatcher Registry::constructMatcher(MatcherCtor Ctor,

                                          SourceRange NameRange,

                                          ArrayRef<ParserValue> Args,

                                          Diagnostics *Error) {

  return Ctor->create(NameRange, Args, Error);

}

VariantMatcher Registry::constructBoundMatcher(MatcherCtor Ctor,

                                               SourceRange NameRange,

                                               StringRef BindID,

                                               ArrayRef<ParserValue> Args,

                                               Diagnostics *Error) {

  VariantMatcher Out = constructMatcher(Ctor, NameRange, Args, Error);

  if (Out.isNull()) 
return Out0
;

  llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher();

  if (Result.hasValue()) {

    llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID);

    if (Bound.hasValue()) {

      return VariantMatcher::SingleMatcher(*Bound);

    }

  }

  Error->addError(NameRange, Error->ET_RegistryNotBindable);

  return VariantMatcher();

}

} // namespace dynamic

} // namespace ast_matchers

} // namespace clang