1 //===--- Registry.cpp - Matcher registry -------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===------------------------------------------------------------===//
11 /// \brief Registry map populated at static initialization time.
13 //===------------------------------------------------------------===//
15 #include "clang/ASTMatchers/Dynamic/Registry.h"
16 #include "Marshallers.h"
17 #include "clang/ASTMatchers/ASTMatchers.h"
18 #include "llvm/ADT/STLExtras.h"
19 #include "llvm/ADT/StringMap.h"
20 #include "llvm/ADT/StringRef.h"
21 #include "llvm/Support/ManagedStatic.h"
25 using namespace clang::ast_type_traits;
28 namespace ast_matchers {
32 using internal::MatcherDescriptor;
34 typedef llvm::StringMap<const MatcherDescriptor *> ConstructorMap;
40 const ConstructorMap &constructors() const { return Constructors; }
43 void registerMatcher(StringRef MatcherName, MatcherDescriptor *Callback);
44 ConstructorMap Constructors;
47 void RegistryMaps::registerMatcher(StringRef MatcherName,
48 MatcherDescriptor *Callback) {
49 assert(Constructors.find(MatcherName) == Constructors.end());
50 Constructors[MatcherName] = Callback;
53 #define REGISTER_MATCHER(name) \
54 registerMatcher(#name, internal::makeMatcherAutoMarshall( \
55 ::clang::ast_matchers::name, #name));
57 #define SPECIFIC_MATCHER_OVERLOAD(name, Id) \
58 static_cast< ::clang::ast_matchers::name##_Type##Id>( \
59 ::clang::ast_matchers::name)
61 #define REGISTER_OVERLOADED_2(name) \
63 MatcherDescriptor *Callbacks[] = { \
64 internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, 0), \
66 internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, 1), \
69 registerMatcher(#name, \
70 new internal::OverloadedMatcherDescriptor(Callbacks)); \
73 /// \brief Generate a registry map with all the known matchers.
74 RegistryMaps::RegistryMaps() {
75 // TODO: Here is the list of the missing matchers, grouped by reason.
77 // Need Variant/Parser fixes:
80 // Polymorphic + argument overload:
87 REGISTER_OVERLOADED_2(callee);
88 REGISTER_OVERLOADED_2(hasPrefix);
89 REGISTER_OVERLOADED_2(hasType);
90 REGISTER_OVERLOADED_2(isDerivedFrom);
91 REGISTER_OVERLOADED_2(isSameOrDerivedFrom);
92 REGISTER_OVERLOADED_2(loc);
93 REGISTER_OVERLOADED_2(pointsTo);
94 REGISTER_OVERLOADED_2(references);
95 REGISTER_OVERLOADED_2(thisPointerType);
97 REGISTER_MATCHER(accessSpecDecl);
98 REGISTER_MATCHER(alignOfExpr);
99 REGISTER_MATCHER(allOf);
100 REGISTER_MATCHER(anyOf);
101 REGISTER_MATCHER(anything);
102 REGISTER_MATCHER(argumentCountIs);
103 REGISTER_MATCHER(arraySubscriptExpr);
104 REGISTER_MATCHER(arrayType);
105 REGISTER_MATCHER(asmStmt);
106 REGISTER_MATCHER(asString);
107 REGISTER_MATCHER(atomicType);
108 REGISTER_MATCHER(autoType);
109 REGISTER_MATCHER(binaryOperator);
110 REGISTER_MATCHER(blockPointerType);
111 REGISTER_MATCHER(booleanType);
112 REGISTER_MATCHER(breakStmt);
113 REGISTER_MATCHER(builtinType);
114 REGISTER_MATCHER(callExpr);
115 REGISTER_MATCHER(caseStmt);
116 REGISTER_MATCHER(castExpr);
117 REGISTER_MATCHER(characterLiteral);
118 REGISTER_MATCHER(classTemplateDecl);
119 REGISTER_MATCHER(classTemplateSpecializationDecl);
120 REGISTER_MATCHER(complexType);
121 REGISTER_MATCHER(compoundLiteralExpr);
122 REGISTER_MATCHER(compoundStmt);
123 REGISTER_MATCHER(conditionalOperator);
124 REGISTER_MATCHER(constantArrayType);
125 REGISTER_MATCHER(containsDeclaration);
126 REGISTER_MATCHER(continueStmt);
127 REGISTER_MATCHER(cStyleCastExpr);
128 REGISTER_MATCHER(cudaKernelCallExpr);
129 REGISTER_MATCHER(cxxBindTemporaryExpr);
130 REGISTER_MATCHER(cxxBoolLiteral);
131 REGISTER_MATCHER(cxxCatchStmt);
132 REGISTER_MATCHER(cxxConstCastExpr);
133 REGISTER_MATCHER(cxxConstructExpr);
134 REGISTER_MATCHER(cxxConstructorDecl);
135 REGISTER_MATCHER(cxxConversionDecl);
136 REGISTER_MATCHER(cxxCtorInitializer);
137 REGISTER_MATCHER(cxxDefaultArgExpr);
138 REGISTER_MATCHER(cxxDeleteExpr);
139 REGISTER_MATCHER(cxxDestructorDecl);
140 REGISTER_MATCHER(cxxDynamicCastExpr);
141 REGISTER_MATCHER(cxxForRangeStmt);
142 REGISTER_MATCHER(cxxFunctionalCastExpr);
143 REGISTER_MATCHER(cxxMemberCallExpr);
144 REGISTER_MATCHER(cxxMethodDecl);
145 REGISTER_MATCHER(cxxNewExpr);
146 REGISTER_MATCHER(cxxNullPtrLiteralExpr);
147 REGISTER_MATCHER(cxxOperatorCallExpr);
148 REGISTER_MATCHER(cxxRecordDecl);
149 REGISTER_MATCHER(cxxReinterpretCastExpr);
150 REGISTER_MATCHER(cxxStaticCastExpr);
151 REGISTER_MATCHER(cxxTemporaryObjectExpr);
152 REGISTER_MATCHER(cxxThisExpr);
153 REGISTER_MATCHER(cxxThrowExpr);
154 REGISTER_MATCHER(cxxTryStmt);
155 REGISTER_MATCHER(cxxUnresolvedConstructExpr);
156 REGISTER_MATCHER(decayedType);
157 REGISTER_MATCHER(decl);
158 REGISTER_MATCHER(declaratorDecl);
159 REGISTER_MATCHER(declCountIs);
160 REGISTER_MATCHER(declRefExpr);
161 REGISTER_MATCHER(declStmt);
162 REGISTER_MATCHER(defaultStmt);
163 REGISTER_MATCHER(dependentSizedArrayType);
164 REGISTER_MATCHER(doStmt);
165 REGISTER_MATCHER(eachOf);
166 REGISTER_MATCHER(elaboratedType);
167 REGISTER_MATCHER(enumConstantDecl);
168 REGISTER_MATCHER(enumDecl);
169 REGISTER_MATCHER(equalsBoundNode);
170 REGISTER_MATCHER(equalsIntegralValue);
171 REGISTER_MATCHER(explicitCastExpr);
172 REGISTER_MATCHER(expr);
173 REGISTER_MATCHER(exprWithCleanups);
174 REGISTER_MATCHER(fieldDecl);
175 REGISTER_MATCHER(floatLiteral);
176 REGISTER_MATCHER(forEach);
177 REGISTER_MATCHER(forEachConstructorInitializer);
178 REGISTER_MATCHER(forEachDescendant);
179 REGISTER_MATCHER(forEachSwitchCase);
180 REGISTER_MATCHER(forField);
181 REGISTER_MATCHER(forStmt);
182 REGISTER_MATCHER(friendDecl);
183 REGISTER_MATCHER(functionDecl);
184 REGISTER_MATCHER(functionTemplateDecl);
185 REGISTER_MATCHER(functionType);
186 REGISTER_MATCHER(gotoStmt);
187 REGISTER_MATCHER(has);
188 REGISTER_MATCHER(hasAncestor);
189 REGISTER_MATCHER(hasAnyArgument);
190 REGISTER_MATCHER(hasAnyConstructorInitializer);
191 REGISTER_MATCHER(hasAnyParameter);
192 REGISTER_MATCHER(hasAnySubstatement);
193 REGISTER_MATCHER(hasAnyTemplateArgument);
194 REGISTER_MATCHER(hasAnyUsingShadowDecl);
195 REGISTER_MATCHER(hasArgument);
196 REGISTER_MATCHER(hasArgumentOfType);
197 REGISTER_MATCHER(hasAttr);
198 REGISTER_MATCHER(hasAutomaticStorageDuration);
199 REGISTER_MATCHER(hasBase);
200 REGISTER_MATCHER(hasBody);
201 REGISTER_MATCHER(hasCanonicalType);
202 REGISTER_MATCHER(hasCaseConstant);
203 REGISTER_MATCHER(hasCondition);
204 REGISTER_MATCHER(hasConditionVariableStatement);
205 REGISTER_MATCHER(hasDecayedType);
206 REGISTER_MATCHER(hasDeclaration);
207 REGISTER_MATCHER(hasDeclContext);
208 REGISTER_MATCHER(hasDeducedType);
209 REGISTER_MATCHER(hasDescendant);
210 REGISTER_MATCHER(hasDestinationType);
211 REGISTER_MATCHER(hasEitherOperand);
212 REGISTER_MATCHER(hasElementType);
213 REGISTER_MATCHER(hasElse);
214 REGISTER_MATCHER(hasFalseExpression);
215 REGISTER_MATCHER(hasGlobalStorage);
216 REGISTER_MATCHER(hasImplicitDestinationType);
217 REGISTER_MATCHER(hasIncrement);
218 REGISTER_MATCHER(hasIndex);
219 REGISTER_MATCHER(hasInitializer);
220 REGISTER_MATCHER(hasKeywordSelector);
221 REGISTER_MATCHER(hasLHS);
222 REGISTER_MATCHER(hasLocalQualifiers);
223 REGISTER_MATCHER(hasLocalStorage);
224 REGISTER_MATCHER(hasLoopInit);
225 REGISTER_MATCHER(hasLoopVariable);
226 REGISTER_MATCHER(hasMethod);
227 REGISTER_MATCHER(hasName);
228 REGISTER_MATCHER(hasNullSelector);
229 REGISTER_MATCHER(hasObjectExpression);
230 REGISTER_MATCHER(hasOperatorName);
231 REGISTER_MATCHER(hasOverloadedOperatorName);
232 REGISTER_MATCHER(hasParameter);
233 REGISTER_MATCHER(hasParent);
234 REGISTER_MATCHER(hasQualifier);
235 REGISTER_MATCHER(hasRangeInit);
236 REGISTER_MATCHER(hasReceiverType);
237 REGISTER_MATCHER(hasRHS);
238 REGISTER_MATCHER(hasSelector);
239 REGISTER_MATCHER(hasSingleDecl);
240 REGISTER_MATCHER(hasSize);
241 REGISTER_MATCHER(hasSizeExpr);
242 REGISTER_MATCHER(hasSourceExpression);
243 REGISTER_MATCHER(hasStaticStorageDuration);
244 REGISTER_MATCHER(hasTargetDecl);
245 REGISTER_MATCHER(hasTemplateArgument);
246 REGISTER_MATCHER(hasThen);
247 REGISTER_MATCHER(hasThreadStorageDuration);
248 REGISTER_MATCHER(hasTrueExpression);
249 REGISTER_MATCHER(hasTypeLoc);
250 REGISTER_MATCHER(hasUnaryOperand);
251 REGISTER_MATCHER(hasUnarySelector);
252 REGISTER_MATCHER(hasValueType);
253 REGISTER_MATCHER(ifStmt);
254 REGISTER_MATCHER(ignoringImpCasts);
255 REGISTER_MATCHER(ignoringParenCasts);
256 REGISTER_MATCHER(ignoringParenImpCasts);
257 REGISTER_MATCHER(implicitCastExpr);
258 REGISTER_MATCHER(incompleteArrayType);
259 REGISTER_MATCHER(initListExpr);
260 REGISTER_MATCHER(injectedClassNameType);
261 REGISTER_MATCHER(innerType);
262 REGISTER_MATCHER(integerLiteral);
263 REGISTER_MATCHER(isAnonymous);
264 REGISTER_MATCHER(isArrow);
265 REGISTER_MATCHER(isBaseInitializer);
266 REGISTER_MATCHER(isCatchAll);
267 REGISTER_MATCHER(isClass);
268 REGISTER_MATCHER(isConst);
269 REGISTER_MATCHER(isConstQualified);
270 REGISTER_MATCHER(isCopyConstructor);
271 REGISTER_MATCHER(isDefaultConstructor);
272 REGISTER_MATCHER(isDefinition);
273 REGISTER_MATCHER(isDeleted);
274 REGISTER_MATCHER(isExceptionVariable);
275 REGISTER_MATCHER(isExplicit);
276 REGISTER_MATCHER(isExplicitTemplateSpecialization);
277 REGISTER_MATCHER(isExpr);
278 REGISTER_MATCHER(isExternC);
279 REGISTER_MATCHER(isFinal);
280 REGISTER_MATCHER(isInline);
281 REGISTER_MATCHER(isImplicit);
282 REGISTER_MATCHER(isExpansionInFileMatching);
283 REGISTER_MATCHER(isExpansionInMainFile);
284 REGISTER_MATCHER(isInstantiated);
285 REGISTER_MATCHER(isExpansionInSystemHeader);
286 REGISTER_MATCHER(isInteger);
287 REGISTER_MATCHER(isIntegral);
288 REGISTER_MATCHER(isInTemplateInstantiation);
289 REGISTER_MATCHER(isListInitialization);
290 REGISTER_MATCHER(isMemberInitializer);
291 REGISTER_MATCHER(isMoveConstructor);
292 REGISTER_MATCHER(isNoThrow);
293 REGISTER_MATCHER(isOverride);
294 REGISTER_MATCHER(isPrivate);
295 REGISTER_MATCHER(isProtected);
296 REGISTER_MATCHER(isPublic);
297 REGISTER_MATCHER(isPure);
298 REGISTER_MATCHER(isStruct);
299 REGISTER_MATCHER(isTemplateInstantiation);
300 REGISTER_MATCHER(isUnion);
301 REGISTER_MATCHER(isVariadic);
302 REGISTER_MATCHER(isVirtual);
303 REGISTER_MATCHER(isVolatileQualified);
304 REGISTER_MATCHER(isWritten);
305 REGISTER_MATCHER(labelStmt);
306 REGISTER_MATCHER(lambdaExpr);
307 REGISTER_MATCHER(lValueReferenceType);
308 REGISTER_MATCHER(matchesName);
309 REGISTER_MATCHER(matchesSelector);
310 REGISTER_MATCHER(materializeTemporaryExpr);
311 REGISTER_MATCHER(member);
312 REGISTER_MATCHER(memberExpr);
313 REGISTER_MATCHER(memberPointerType);
314 REGISTER_MATCHER(namedDecl);
315 REGISTER_MATCHER(namespaceAliasDecl);
316 REGISTER_MATCHER(namespaceDecl);
317 REGISTER_MATCHER(namesType);
318 REGISTER_MATCHER(nestedNameSpecifier);
319 REGISTER_MATCHER(nestedNameSpecifierLoc);
320 REGISTER_MATCHER(nullStmt);
321 REGISTER_MATCHER(numSelectorArgs);
322 REGISTER_MATCHER(ofClass);
323 REGISTER_MATCHER(objcInterfaceDecl);
324 REGISTER_MATCHER(objcMessageExpr);
325 REGISTER_MATCHER(objcObjectPointerType);
326 REGISTER_MATCHER(on);
327 REGISTER_MATCHER(onImplicitObjectArgument);
328 REGISTER_MATCHER(parameterCountIs);
329 REGISTER_MATCHER(parenType);
330 REGISTER_MATCHER(parmVarDecl);
331 REGISTER_MATCHER(pointee);
332 REGISTER_MATCHER(pointerType);
333 REGISTER_MATCHER(qualType);
334 REGISTER_MATCHER(recordDecl);
335 REGISTER_MATCHER(recordType);
336 REGISTER_MATCHER(referenceType);
337 REGISTER_MATCHER(refersToDeclaration);
338 REGISTER_MATCHER(refersToIntegralType);
339 REGISTER_MATCHER(refersToType);
340 REGISTER_MATCHER(returns);
341 REGISTER_MATCHER(returnStmt);
342 REGISTER_MATCHER(rValueReferenceType);
343 REGISTER_MATCHER(sizeOfExpr);
344 REGISTER_MATCHER(specifiesNamespace);
345 REGISTER_MATCHER(specifiesType);
346 REGISTER_MATCHER(specifiesTypeLoc);
347 REGISTER_MATCHER(statementCountIs);
348 REGISTER_MATCHER(staticAssertDecl);
349 REGISTER_MATCHER(stmt);
350 REGISTER_MATCHER(stringLiteral);
351 REGISTER_MATCHER(substNonTypeTemplateParmExpr);
352 REGISTER_MATCHER(substTemplateTypeParmType);
353 REGISTER_MATCHER(switchCase);
354 REGISTER_MATCHER(switchStmt);
355 REGISTER_MATCHER(templateArgument);
356 REGISTER_MATCHER(templateArgumentCountIs);
357 REGISTER_MATCHER(templateSpecializationType);
358 REGISTER_MATCHER(templateTypeParmType);
359 REGISTER_MATCHER(throughUsingDecl);
360 REGISTER_MATCHER(to);
361 REGISTER_MATCHER(translationUnitDecl);
362 REGISTER_MATCHER(type);
363 REGISTER_MATCHER(typedefDecl);
364 REGISTER_MATCHER(typedefType);
365 REGISTER_MATCHER(typeLoc);
366 REGISTER_MATCHER(unaryExprOrTypeTraitExpr);
367 REGISTER_MATCHER(unaryOperator);
368 REGISTER_MATCHER(unaryTransformType);
369 REGISTER_MATCHER(unless);
370 REGISTER_MATCHER(unresolvedUsingTypenameDecl);
371 REGISTER_MATCHER(unresolvedUsingValueDecl);
372 REGISTER_MATCHER(userDefinedLiteral);
373 REGISTER_MATCHER(usingDecl);
374 REGISTER_MATCHER(usingDirectiveDecl);
375 REGISTER_MATCHER(valueDecl);
376 REGISTER_MATCHER(varDecl);
377 REGISTER_MATCHER(variableArrayType);
378 REGISTER_MATCHER(voidType);
379 REGISTER_MATCHER(whileStmt);
380 REGISTER_MATCHER(withInitializer);
383 RegistryMaps::~RegistryMaps() {
384 llvm::DeleteContainerSeconds(Constructors);
387 static llvm::ManagedStatic<RegistryMaps> RegistryData;
389 } // anonymous namespace
392 llvm::Optional<MatcherCtor> Registry::lookupMatcherCtor(StringRef MatcherName) {
393 ConstructorMap::const_iterator it =
394 RegistryData->constructors().find(MatcherName);
395 return it == RegistryData->constructors().end()
396 ? llvm::Optional<MatcherCtor>()
402 llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
403 const std::set<ASTNodeKind> &KS) {
405 for (std::set<ASTNodeKind>::const_iterator I = KS.begin(), E = KS.end();
420 std::vector<ArgKind> Registry::getAcceptedCompletionTypes(
421 ArrayRef<std::pair<MatcherCtor, unsigned>> Context) {
422 ASTNodeKind InitialTypes[] = {
423 ASTNodeKind::getFromNodeKind<Decl>(),
424 ASTNodeKind::getFromNodeKind<QualType>(),
425 ASTNodeKind::getFromNodeKind<Type>(),
426 ASTNodeKind::getFromNodeKind<Stmt>(),
427 ASTNodeKind::getFromNodeKind<NestedNameSpecifier>(),
428 ASTNodeKind::getFromNodeKind<NestedNameSpecifierLoc>(),
429 ASTNodeKind::getFromNodeKind<TypeLoc>()};
431 // Starting with the above seed of acceptable top-level matcher types, compute
432 // the acceptable type set for the argument indicated by each context element.
433 std::set<ArgKind> TypeSet(std::begin(InitialTypes), std::end(InitialTypes));
434 for (const auto &CtxEntry : Context) {
435 MatcherCtor Ctor = CtxEntry.first;
436 unsigned ArgNumber = CtxEntry.second;
437 std::vector<ArgKind> NextTypeSet;
438 for (const ArgKind &Kind : TypeSet) {
439 if (Kind.getArgKind() == Kind.AK_Matcher &&
440 Ctor->isConvertibleTo(Kind.getMatcherKind()) &&
441 (Ctor->isVariadic() || ArgNumber < Ctor->getNumArgs()))
442 Ctor->getArgKinds(Kind.getMatcherKind(), ArgNumber, NextTypeSet);
445 TypeSet.insert(NextTypeSet.begin(), NextTypeSet.end());
447 return std::vector<ArgKind>(TypeSet.begin(), TypeSet.end());
450 std::vector<MatcherCompletion>
451 Registry::getMatcherCompletions(ArrayRef<ArgKind> AcceptedTypes) {
452 std::vector<MatcherCompletion> Completions;
454 // Search the registry for acceptable matchers.
455 for (const auto &M : RegistryData->constructors()) {
456 const auto *Matcher = M.getValue();
457 StringRef Name = M.getKey();
459 std::set<ASTNodeKind> RetKinds;
460 unsigned NumArgs = Matcher->isVariadic() ? 1 : Matcher->getNumArgs();
461 bool IsPolymorphic = Matcher->isPolymorphic();
462 std::vector<std::vector<ArgKind>> ArgsKinds(NumArgs);
463 unsigned MaxSpecificity = 0;
464 for (const ArgKind& Kind : AcceptedTypes) {
465 if (Kind.getArgKind() != Kind.AK_Matcher)
467 unsigned Specificity;
468 ASTNodeKind LeastDerivedKind;
469 if (Matcher->isConvertibleTo(Kind.getMatcherKind(), &Specificity,
470 &LeastDerivedKind)) {
471 if (MaxSpecificity < Specificity)
472 MaxSpecificity = Specificity;
473 RetKinds.insert(LeastDerivedKind);
474 for (unsigned Arg = 0; Arg != NumArgs; ++Arg)
475 Matcher->getArgKinds(Kind.getMatcherKind(), Arg, ArgsKinds[Arg]);
481 if (!RetKinds.empty() && MaxSpecificity > 0) {
483 llvm::raw_string_ostream OS(Decl);
486 OS << "Matcher<T> " << Name << "(Matcher<T>";
488 OS << "Matcher<" << RetKinds << "> " << Name << "(";
489 for (const std::vector<ArgKind> &Arg : ArgsKinds) {
490 if (&Arg != &ArgsKinds[0])
493 bool FirstArgKind = true;
494 std::set<ASTNodeKind> MatcherKinds;
495 // Two steps. First all non-matchers, then matchers only.
496 for (const ArgKind &AK : Arg) {
497 if (AK.getArgKind() == ArgKind::AK_Matcher) {
498 MatcherKinds.insert(AK.getMatcherKind());
500 if (!FirstArgKind) OS << "|";
501 FirstArgKind = false;
505 if (!MatcherKinds.empty()) {
506 if (!FirstArgKind) OS << "|";
507 OS << "Matcher<" << MatcherKinds << ">";
511 if (Matcher->isVariadic())
515 std::string TypedText = Name;
517 if (ArgsKinds.empty())
519 else if (ArgsKinds[0][0].getArgKind() == ArgKind::AK_String)
522 Completions.emplace_back(TypedText, OS.str(), MaxSpecificity);
530 VariantMatcher Registry::constructMatcher(MatcherCtor Ctor,
531 SourceRange NameRange,
532 ArrayRef<ParserValue> Args,
533 Diagnostics *Error) {
534 return Ctor->create(NameRange, Args, Error);
538 VariantMatcher Registry::constructBoundMatcher(MatcherCtor Ctor,
539 SourceRange NameRange,
541 ArrayRef<ParserValue> Args,
542 Diagnostics *Error) {
543 VariantMatcher Out = constructMatcher(Ctor, NameRange, Args, Error);
544 if (Out.isNull()) return Out;
546 llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher();
547 if (Result.hasValue()) {
548 llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID);
549 if (Bound.hasValue()) {
550 return VariantMatcher::SingleMatcher(*Bound);
553 Error->addError(NameRange, Error->ET_RegistryNotBindable);
554 return VariantMatcher();
557 } // namespace dynamic
558 } // namespace ast_matchers