1 //===- Registry.cpp - Matcher registry ------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 /// \file 10 /// Registry map populated at static initialization time. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #include "clang/ASTMatchers/Dynamic/Registry.h" 15 #include "Marshallers.h" 16 #include "clang/AST/ASTTypeTraits.h" 17 #include "clang/ASTMatchers/ASTMatchers.h" 18 #include "clang/ASTMatchers/Dynamic/Diagnostics.h" 19 #include "clang/ASTMatchers/Dynamic/VariantValue.h" 20 #include "llvm/ADT/Optional.h" 21 #include "llvm/ADT/STLExtras.h" 22 #include "llvm/ADT/StringMap.h" 23 #include "llvm/ADT/StringRef.h" 24 #include "llvm/Support/ManagedStatic.h" 25 #include "llvm/Support/raw_ostream.h" 26 #include <cassert> 27 #include <iterator> 28 #include <memory> 29 #include <set> 30 #include <string> 31 #include <utility> 32 #include <vector> 33 34 using namespace clang::ast_type_traits; 35 36 namespace clang { 37 namespace ast_matchers { 38 namespace dynamic { 39 40 namespace { 41 42 using internal::MatcherDescriptor; 43 44 using ConstructorMap = 45 llvm::StringMap<std::unique_ptr<const MatcherDescriptor>>; 46 47 class RegistryMaps { 48 public: 49 RegistryMaps(); 50 ~RegistryMaps(); 51 52 const ConstructorMap &constructors() const { return Constructors; } 53 54 private: 55 void registerMatcher(StringRef MatcherName, 56 std::unique_ptr<MatcherDescriptor> Callback); 57 58 ConstructorMap Constructors; 59 }; 60 61 } // namespace 62 63 void RegistryMaps::registerMatcher( 64 StringRef MatcherName, std::unique_ptr<MatcherDescriptor> Callback) { 65 assert(Constructors.find(MatcherName) == Constructors.end()); 66 Constructors[MatcherName] = std::move(Callback); 67 } 68 69 #define REGISTER_MATCHER(name) \ 70 registerMatcher(#name, internal::makeMatcherAutoMarshall( \ 71 ::clang::ast_matchers::name, #name)); 72 73 #define REGISTER_MATCHER_OVERLOAD(name) \ 74 registerMatcher(#name, \ 75 std::make_unique<internal::OverloadedMatcherDescriptor>(name##Callbacks)) 76 77 #define SPECIFIC_MATCHER_OVERLOAD(name, Id) \ 78 static_cast<::clang::ast_matchers::name##_Type##Id>( \ 79 ::clang::ast_matchers::name) 80 81 #define MATCHER_OVERLOAD_ENTRY(name, Id) \ 82 internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, Id), \ 83 #name) 84 85 #define REGISTER_OVERLOADED_2(name) \ 86 do { \ 87 std::unique_ptr<MatcherDescriptor> name##Callbacks[] = { \ 88 MATCHER_OVERLOAD_ENTRY(name, 0), \ 89 MATCHER_OVERLOAD_ENTRY(name, 1)}; \ 90 REGISTER_MATCHER_OVERLOAD(name); \ 91 } while (false) 92 93 /// Generate a registry map with all the known matchers. 94 /// Please keep sorted alphabetically! 95 RegistryMaps::RegistryMaps() { 96 // TODO: Here is the list of the missing matchers, grouped by reason. 97 // 98 // Need Variant/Parser fixes: 99 // ofKind 100 // 101 // Polymorphic + argument overload: 102 // findAll 103 // 104 // Other: 105 // equalsNode 106 107 REGISTER_OVERLOADED_2(callee); 108 REGISTER_OVERLOADED_2(hasAnyCapture); 109 REGISTER_OVERLOADED_2(hasPrefix); 110 REGISTER_OVERLOADED_2(hasType); 111 REGISTER_OVERLOADED_2(ignoringParens); 112 REGISTER_OVERLOADED_2(isDerivedFrom); 113 REGISTER_OVERLOADED_2(isDirectlyDerivedFrom); 114 REGISTER_OVERLOADED_2(isSameOrDerivedFrom); 115 REGISTER_OVERLOADED_2(loc); 116 REGISTER_OVERLOADED_2(pointsTo); 117 REGISTER_OVERLOADED_2(references); 118 REGISTER_OVERLOADED_2(thisPointerType); 119 120 std::unique_ptr<MatcherDescriptor> equalsCallbacks[] = { 121 MATCHER_OVERLOAD_ENTRY(equals, 0), 122 MATCHER_OVERLOAD_ENTRY(equals, 1), 123 MATCHER_OVERLOAD_ENTRY(equals, 2), 124 }; 125 REGISTER_MATCHER_OVERLOAD(equals); 126 127 REGISTER_MATCHER(accessSpecDecl); 128 REGISTER_MATCHER(addrLabelExpr); 129 REGISTER_MATCHER(alignOfExpr); 130 REGISTER_MATCHER(allOf); 131 REGISTER_MATCHER(anyOf); 132 REGISTER_MATCHER(anything); 133 REGISTER_MATCHER(argumentCountIs); 134 REGISTER_MATCHER(arraySubscriptExpr); 135 REGISTER_MATCHER(arrayType); 136 REGISTER_MATCHER(asString); 137 REGISTER_MATCHER(asmStmt); 138 REGISTER_MATCHER(atomicExpr); 139 REGISTER_MATCHER(atomicType); 140 REGISTER_MATCHER(autoType); 141 REGISTER_MATCHER(autoreleasePoolStmt) 142 REGISTER_MATCHER(binaryConditionalOperator); 143 REGISTER_MATCHER(binaryOperator); 144 REGISTER_MATCHER(blockDecl); 145 REGISTER_MATCHER(blockExpr); 146 REGISTER_MATCHER(blockPointerType); 147 REGISTER_MATCHER(booleanType); 148 REGISTER_MATCHER(breakStmt); 149 REGISTER_MATCHER(builtinType); 150 REGISTER_MATCHER(cStyleCastExpr); 151 REGISTER_MATCHER(callExpr); 152 REGISTER_MATCHER(caseStmt); 153 REGISTER_MATCHER(castExpr); 154 REGISTER_MATCHER(characterLiteral); 155 REGISTER_MATCHER(chooseExpr); 156 REGISTER_MATCHER(classTemplateDecl); 157 REGISTER_MATCHER(classTemplateSpecializationDecl); 158 REGISTER_MATCHER(complexType); 159 REGISTER_MATCHER(compoundLiteralExpr); 160 REGISTER_MATCHER(compoundStmt); 161 REGISTER_MATCHER(conditionalOperator); 162 REGISTER_MATCHER(constantArrayType); 163 REGISTER_MATCHER(constantExpr); 164 REGISTER_MATCHER(containsDeclaration); 165 REGISTER_MATCHER(continueStmt); 166 REGISTER_MATCHER(cudaKernelCallExpr); 167 REGISTER_MATCHER(cxxBindTemporaryExpr); 168 REGISTER_MATCHER(cxxBoolLiteral); 169 REGISTER_MATCHER(cxxCatchStmt); 170 REGISTER_MATCHER(cxxConstCastExpr); 171 REGISTER_MATCHER(cxxConstructExpr); 172 REGISTER_MATCHER(cxxConstructorDecl); 173 REGISTER_MATCHER(cxxConversionDecl); 174 REGISTER_MATCHER(cxxCtorInitializer); 175 REGISTER_MATCHER(cxxDeductionGuideDecl); 176 REGISTER_MATCHER(cxxDefaultArgExpr); 177 REGISTER_MATCHER(cxxDeleteExpr); 178 REGISTER_MATCHER(cxxDependentScopeMemberExpr); 179 REGISTER_MATCHER(cxxDestructorDecl); 180 REGISTER_MATCHER(cxxDynamicCastExpr); 181 REGISTER_MATCHER(cxxForRangeStmt); 182 REGISTER_MATCHER(cxxFunctionalCastExpr); 183 REGISTER_MATCHER(cxxMemberCallExpr); 184 REGISTER_MATCHER(cxxMethodDecl); 185 REGISTER_MATCHER(cxxNewExpr); 186 REGISTER_MATCHER(cxxNoexceptExpr); 187 REGISTER_MATCHER(cxxNullPtrLiteralExpr); 188 REGISTER_MATCHER(cxxOperatorCallExpr); 189 REGISTER_MATCHER(cxxRecordDecl); 190 REGISTER_MATCHER(cxxReinterpretCastExpr); 191 REGISTER_MATCHER(cxxStaticCastExpr); 192 REGISTER_MATCHER(cxxStdInitializerListExpr); 193 REGISTER_MATCHER(cxxTemporaryObjectExpr); 194 REGISTER_MATCHER(cxxThisExpr); 195 REGISTER_MATCHER(cxxThrowExpr); 196 REGISTER_MATCHER(cxxTryStmt); 197 REGISTER_MATCHER(cxxUnresolvedConstructExpr); 198 REGISTER_MATCHER(decayedType); 199 REGISTER_MATCHER(decl); 200 REGISTER_MATCHER(declCountIs); 201 REGISTER_MATCHER(declRefExpr); 202 REGISTER_MATCHER(declStmt); 203 REGISTER_MATCHER(declaratorDecl); 204 REGISTER_MATCHER(decltypeType); 205 REGISTER_MATCHER(defaultStmt); 206 REGISTER_MATCHER(dependentSizedArrayType); 207 REGISTER_MATCHER(designatedInitExpr); 208 REGISTER_MATCHER(designatorCountIs); 209 REGISTER_MATCHER(doStmt); 210 REGISTER_MATCHER(eachOf); 211 REGISTER_MATCHER(elaboratedType); 212 REGISTER_MATCHER(enumConstantDecl); 213 REGISTER_MATCHER(enumDecl); 214 REGISTER_MATCHER(enumType); 215 REGISTER_MATCHER(equalsBoundNode); 216 REGISTER_MATCHER(equalsIntegralValue); 217 REGISTER_MATCHER(explicitCastExpr); 218 REGISTER_MATCHER(expr); 219 REGISTER_MATCHER(exprWithCleanups); 220 REGISTER_MATCHER(fieldDecl); 221 REGISTER_MATCHER(floatLiteral); 222 REGISTER_MATCHER(forEach); 223 REGISTER_MATCHER(forEachArgumentWithParam); 224 REGISTER_MATCHER(forEachConstructorInitializer); 225 REGISTER_MATCHER(forEachDescendant); 226 REGISTER_MATCHER(forEachOverridden); 227 REGISTER_MATCHER(forEachSwitchCase); 228 REGISTER_MATCHER(forField); 229 REGISTER_MATCHER(forFunction); 230 REGISTER_MATCHER(forStmt); 231 REGISTER_MATCHER(friendDecl); 232 REGISTER_MATCHER(functionDecl); 233 REGISTER_MATCHER(functionProtoType); 234 REGISTER_MATCHER(functionTemplateDecl); 235 REGISTER_MATCHER(functionType); 236 REGISTER_MATCHER(gnuNullExpr); 237 REGISTER_MATCHER(gotoStmt); 238 REGISTER_MATCHER(has); 239 REGISTER_MATCHER(hasAncestor); 240 REGISTER_MATCHER(hasAnyArgument); 241 REGISTER_MATCHER(hasAnyClause); 242 REGISTER_MATCHER(hasAnyConstructorInitializer); 243 REGISTER_MATCHER(hasAnyDeclaration); 244 REGISTER_MATCHER(hasAnyName); 245 REGISTER_MATCHER(hasAnyParameter); 246 REGISTER_MATCHER(hasAnySelector); 247 REGISTER_MATCHER(hasAnySubstatement); 248 REGISTER_MATCHER(hasAnyTemplateArgument); 249 REGISTER_MATCHER(hasAnyUsingShadowDecl); 250 REGISTER_MATCHER(hasArgument); 251 REGISTER_MATCHER(hasArgumentOfType); 252 REGISTER_MATCHER(hasArraySize); 253 REGISTER_MATCHER(hasAttr); 254 REGISTER_MATCHER(hasAutomaticStorageDuration); 255 REGISTER_MATCHER(hasBase); 256 REGISTER_MATCHER(hasBitWidth); 257 REGISTER_MATCHER(hasBody); 258 REGISTER_MATCHER(hasCanonicalType); 259 REGISTER_MATCHER(hasCaseConstant); 260 REGISTER_MATCHER(hasCastKind); 261 REGISTER_MATCHER(hasCondition); 262 REGISTER_MATCHER(hasConditionVariableStatement); 263 REGISTER_MATCHER(hasDecayedType); 264 REGISTER_MATCHER(hasDeclContext); 265 REGISTER_MATCHER(hasDeclaration); 266 REGISTER_MATCHER(hasDeducedType); 267 REGISTER_MATCHER(hasDefaultArgument); 268 REGISTER_MATCHER(hasDefinition); 269 REGISTER_MATCHER(hasDescendant); 270 REGISTER_MATCHER(hasDestinationType); 271 REGISTER_MATCHER(hasDynamicExceptionSpec); 272 REGISTER_MATCHER(hasEitherOperand); 273 REGISTER_MATCHER(hasElementType); 274 REGISTER_MATCHER(hasElse); 275 REGISTER_MATCHER(hasExplicitSpecifier); 276 REGISTER_MATCHER(hasExternalFormalLinkage); 277 REGISTER_MATCHER(hasFalseExpression); 278 REGISTER_MATCHER(hasGlobalStorage); 279 REGISTER_MATCHER(hasImplicitDestinationType); 280 REGISTER_MATCHER(hasInClassInitializer); 281 REGISTER_MATCHER(hasIncrement); 282 REGISTER_MATCHER(hasIndex); 283 REGISTER_MATCHER(hasInit); 284 REGISTER_MATCHER(hasInitializer); 285 REGISTER_MATCHER(hasInitStatement); 286 REGISTER_MATCHER(hasKeywordSelector); 287 REGISTER_MATCHER(hasLHS); 288 REGISTER_MATCHER(hasLocalQualifiers); 289 REGISTER_MATCHER(hasLocalStorage); 290 REGISTER_MATCHER(hasLoopInit); 291 REGISTER_MATCHER(hasLoopVariable); 292 REGISTER_MATCHER(hasMethod); 293 REGISTER_MATCHER(hasName); 294 REGISTER_MATCHER(hasNullSelector); 295 REGISTER_MATCHER(hasObjectExpression); 296 REGISTER_MATCHER(hasOperatorName); 297 REGISTER_MATCHER(hasOverloadedOperatorName); 298 REGISTER_MATCHER(hasParameter); 299 REGISTER_MATCHER(hasParent); 300 REGISTER_MATCHER(hasQualifier); 301 REGISTER_MATCHER(hasRHS); 302 REGISTER_MATCHER(hasRangeInit); 303 REGISTER_MATCHER(hasReceiver); 304 REGISTER_MATCHER(hasReceiverType); 305 REGISTER_MATCHER(hasReplacementType); 306 REGISTER_MATCHER(hasReturnValue); 307 REGISTER_MATCHER(hasSelector); 308 REGISTER_MATCHER(hasSingleDecl); 309 REGISTER_MATCHER(hasSize); 310 REGISTER_MATCHER(hasSizeExpr); 311 REGISTER_MATCHER(hasSourceExpression); 312 REGISTER_MATCHER(hasSpecializedTemplate); 313 REGISTER_MATCHER(hasStaticStorageDuration); 314 REGISTER_MATCHER(hasStructuredBlock); 315 REGISTER_MATCHER(hasSyntacticForm); 316 REGISTER_MATCHER(hasTargetDecl); 317 REGISTER_MATCHER(hasTemplateArgument); 318 REGISTER_MATCHER(hasThen); 319 REGISTER_MATCHER(hasThreadStorageDuration); 320 REGISTER_MATCHER(hasTrailingReturn); 321 REGISTER_MATCHER(hasTrueExpression); 322 REGISTER_MATCHER(hasTypeLoc); 323 REGISTER_MATCHER(hasUnaryOperand); 324 REGISTER_MATCHER(hasUnarySelector); 325 REGISTER_MATCHER(hasUnderlyingDecl); 326 REGISTER_MATCHER(hasUnderlyingType); 327 REGISTER_MATCHER(hasUnqualifiedDesugaredType); 328 REGISTER_MATCHER(hasValueType); 329 REGISTER_MATCHER(ifStmt); 330 REGISTER_MATCHER(ignoringElidableConstructorCall); 331 REGISTER_MATCHER(ignoringImpCasts); 332 REGISTER_MATCHER(ignoringImplicit); 333 REGISTER_MATCHER(ignoringParenCasts); 334 REGISTER_MATCHER(ignoringParenImpCasts); 335 REGISTER_MATCHER(imaginaryLiteral); 336 REGISTER_MATCHER(implicitCastExpr); 337 REGISTER_MATCHER(implicitValueInitExpr); 338 REGISTER_MATCHER(incompleteArrayType); 339 REGISTER_MATCHER(indirectFieldDecl); 340 REGISTER_MATCHER(initListExpr); 341 REGISTER_MATCHER(injectedClassNameType); 342 REGISTER_MATCHER(innerType); 343 REGISTER_MATCHER(integerLiteral); 344 REGISTER_MATCHER(isAllowedToContainClauseKind); 345 REGISTER_MATCHER(isAnonymous); 346 REGISTER_MATCHER(isAnyCharacter); 347 REGISTER_MATCHER(isAnyPointer); 348 REGISTER_MATCHER(isArray); 349 REGISTER_MATCHER(isArrow); 350 REGISTER_MATCHER(isAssignmentOperator); 351 REGISTER_MATCHER(isBaseInitializer); 352 REGISTER_MATCHER(isBitField); 353 REGISTER_MATCHER(isCatchAll); 354 REGISTER_MATCHER(isClass); 355 REGISTER_MATCHER(isClassMessage); 356 REGISTER_MATCHER(isClassMethod); 357 REGISTER_MATCHER(isConst); 358 REGISTER_MATCHER(isConstQualified); 359 REGISTER_MATCHER(isConstexpr); 360 REGISTER_MATCHER(isCopyAssignmentOperator); 361 REGISTER_MATCHER(isCopyConstructor); 362 REGISTER_MATCHER(isDefaultConstructor); 363 REGISTER_MATCHER(isDefaulted); 364 REGISTER_MATCHER(isDefinition); 365 REGISTER_MATCHER(isDelegatingConstructor); 366 REGISTER_MATCHER(isDeleted); 367 REGISTER_MATCHER(isExceptionVariable); 368 REGISTER_MATCHER(isExpansionInFileMatching); 369 REGISTER_MATCHER(isExpansionInMainFile); 370 REGISTER_MATCHER(isExpansionInSystemHeader); 371 REGISTER_MATCHER(isExplicit); 372 REGISTER_MATCHER(isExplicitTemplateSpecialization); 373 REGISTER_MATCHER(isExpr); 374 REGISTER_MATCHER(isExternC); 375 REGISTER_MATCHER(isFinal); 376 REGISTER_MATCHER(isImplicit); 377 REGISTER_MATCHER(isInStdNamespace); 378 REGISTER_MATCHER(isInTemplateInstantiation); 379 REGISTER_MATCHER(isInline); 380 REGISTER_MATCHER(isInstanceMessage); 381 REGISTER_MATCHER(isInstanceMethod); 382 REGISTER_MATCHER(isInstantiated); 383 REGISTER_MATCHER(isInstantiationDependent); 384 REGISTER_MATCHER(isInteger); 385 REGISTER_MATCHER(isIntegral); 386 REGISTER_MATCHER(isLambda); 387 REGISTER_MATCHER(isListInitialization); 388 REGISTER_MATCHER(isMain); 389 REGISTER_MATCHER(isMemberInitializer); 390 REGISTER_MATCHER(isMoveAssignmentOperator); 391 REGISTER_MATCHER(isMoveConstructor); 392 REGISTER_MATCHER(isNoReturn); 393 REGISTER_MATCHER(isNoThrow); 394 REGISTER_MATCHER(isNoneKind); 395 REGISTER_MATCHER(isOMPStructuredBlock); 396 REGISTER_MATCHER(isOverride); 397 REGISTER_MATCHER(isPrivate); 398 REGISTER_MATCHER(isProtected); 399 REGISTER_MATCHER(isPublic); 400 REGISTER_MATCHER(isPure); 401 REGISTER_MATCHER(isScoped); 402 REGISTER_MATCHER(isSharedKind); 403 REGISTER_MATCHER(isSignedInteger); 404 REGISTER_MATCHER(isStandaloneDirective); 405 REGISTER_MATCHER(isStaticLocal); 406 REGISTER_MATCHER(isStaticStorageClass); 407 REGISTER_MATCHER(isStruct); 408 REGISTER_MATCHER(isTemplateInstantiation); 409 REGISTER_MATCHER(isTypeDependent); 410 REGISTER_MATCHER(isUnion); 411 REGISTER_MATCHER(isUnsignedInteger); 412 REGISTER_MATCHER(isUserProvided); 413 REGISTER_MATCHER(isValueDependent); 414 REGISTER_MATCHER(isVariadic); 415 REGISTER_MATCHER(isVirtual); 416 REGISTER_MATCHER(isVirtualAsWritten); 417 REGISTER_MATCHER(isVolatileQualified); 418 REGISTER_MATCHER(isWritten); 419 REGISTER_MATCHER(lValueReferenceType); 420 REGISTER_MATCHER(labelDecl); 421 REGISTER_MATCHER(labelStmt); 422 REGISTER_MATCHER(lambdaExpr); 423 REGISTER_MATCHER(linkageSpecDecl); 424 REGISTER_MATCHER(matchesName); 425 REGISTER_MATCHER(matchesSelector); 426 REGISTER_MATCHER(materializeTemporaryExpr); 427 REGISTER_MATCHER(member); 428 REGISTER_MATCHER(memberExpr); 429 REGISTER_MATCHER(memberPointerType); 430 REGISTER_MATCHER(namedDecl); 431 REGISTER_MATCHER(namesType); 432 REGISTER_MATCHER(namespaceAliasDecl); 433 REGISTER_MATCHER(namespaceDecl); 434 REGISTER_MATCHER(nestedNameSpecifier); 435 REGISTER_MATCHER(nestedNameSpecifierLoc); 436 REGISTER_MATCHER(nonTypeTemplateParmDecl); 437 REGISTER_MATCHER(nullPointerConstant); 438 REGISTER_MATCHER(nullStmt); 439 REGISTER_MATCHER(numSelectorArgs); 440 REGISTER_MATCHER(objcCatchStmt); 441 REGISTER_MATCHER(objcCategoryDecl); 442 REGISTER_MATCHER(objcCategoryImplDecl); 443 REGISTER_MATCHER(objcFinallyStmt); 444 REGISTER_MATCHER(objcImplementationDecl); 445 REGISTER_MATCHER(objcInterfaceDecl); 446 REGISTER_MATCHER(objcIvarDecl); 447 REGISTER_MATCHER(objcIvarRefExpr); 448 REGISTER_MATCHER(objcMessageExpr); 449 REGISTER_MATCHER(objcMethodDecl); 450 REGISTER_MATCHER(objcObjectPointerType); 451 REGISTER_MATCHER(objcPropertyDecl); 452 REGISTER_MATCHER(objcProtocolDecl); 453 REGISTER_MATCHER(objcThrowStmt); 454 REGISTER_MATCHER(objcTryStmt); 455 REGISTER_MATCHER(ofClass); 456 REGISTER_MATCHER(ompDefaultClause); 457 REGISTER_MATCHER(ompExecutableDirective); 458 REGISTER_MATCHER(on); 459 REGISTER_MATCHER(onImplicitObjectArgument); 460 REGISTER_MATCHER(opaqueValueExpr); 461 REGISTER_MATCHER(optionally); 462 REGISTER_MATCHER(parameterCountIs); 463 REGISTER_MATCHER(parenExpr); 464 REGISTER_MATCHER(parenListExpr); 465 REGISTER_MATCHER(parenType); 466 REGISTER_MATCHER(parmVarDecl); 467 REGISTER_MATCHER(pointee); 468 REGISTER_MATCHER(pointerType); 469 REGISTER_MATCHER(predefinedExpr); 470 REGISTER_MATCHER(qualType); 471 REGISTER_MATCHER(rValueReferenceType); 472 REGISTER_MATCHER(realFloatingPointType); 473 REGISTER_MATCHER(recordDecl); 474 REGISTER_MATCHER(recordType); 475 REGISTER_MATCHER(referenceType); 476 REGISTER_MATCHER(refersToDeclaration); 477 REGISTER_MATCHER(refersToIntegralType); 478 REGISTER_MATCHER(refersToTemplate); 479 REGISTER_MATCHER(refersToType); 480 REGISTER_MATCHER(requiresZeroInitialization); 481 REGISTER_MATCHER(returnStmt); 482 REGISTER_MATCHER(returns); 483 REGISTER_MATCHER(sizeOfExpr); 484 REGISTER_MATCHER(specifiesNamespace); 485 REGISTER_MATCHER(specifiesType); 486 REGISTER_MATCHER(specifiesTypeLoc); 487 REGISTER_MATCHER(statementCountIs); 488 REGISTER_MATCHER(staticAssertDecl); 489 REGISTER_MATCHER(stmt); 490 REGISTER_MATCHER(stmtExpr); 491 REGISTER_MATCHER(stringLiteral); 492 REGISTER_MATCHER(substNonTypeTemplateParmExpr); 493 REGISTER_MATCHER(substTemplateTypeParmType); 494 REGISTER_MATCHER(switchCase); 495 REGISTER_MATCHER(switchStmt); 496 REGISTER_MATCHER(tagType); 497 REGISTER_MATCHER(templateArgument); 498 REGISTER_MATCHER(templateArgumentCountIs); 499 REGISTER_MATCHER(templateName); 500 REGISTER_MATCHER(templateSpecializationType); 501 REGISTER_MATCHER(templateTypeParmDecl); 502 REGISTER_MATCHER(templateTypeParmType); 503 REGISTER_MATCHER(throughUsingDecl); 504 REGISTER_MATCHER(to); 505 REGISTER_MATCHER(translationUnitDecl); 506 REGISTER_MATCHER(type); 507 REGISTER_MATCHER(typeAliasDecl); 508 REGISTER_MATCHER(typeAliasTemplateDecl); 509 REGISTER_MATCHER(typeLoc); 510 REGISTER_MATCHER(typedefDecl); 511 REGISTER_MATCHER(typedefNameDecl); 512 REGISTER_MATCHER(typedefType); 513 REGISTER_MATCHER(unaryExprOrTypeTraitExpr); 514 REGISTER_MATCHER(unaryOperator); 515 REGISTER_MATCHER(unaryTransformType); 516 REGISTER_MATCHER(unless); 517 REGISTER_MATCHER(unresolvedLookupExpr); 518 REGISTER_MATCHER(unresolvedMemberExpr); 519 REGISTER_MATCHER(unresolvedUsingTypenameDecl); 520 REGISTER_MATCHER(unresolvedUsingValueDecl); 521 REGISTER_MATCHER(userDefinedLiteral); 522 REGISTER_MATCHER(usesADL); 523 REGISTER_MATCHER(usingDecl); 524 REGISTER_MATCHER(usingDirectiveDecl); 525 REGISTER_MATCHER(valueDecl); 526 REGISTER_MATCHER(varDecl); 527 REGISTER_MATCHER(variableArrayType); 528 REGISTER_MATCHER(voidType); 529 REGISTER_MATCHER(whileStmt); 530 REGISTER_MATCHER(withInitializer); 531 } 532 533 RegistryMaps::~RegistryMaps() = default; 534 535 static llvm::ManagedStatic<RegistryMaps> RegistryData; 536 537 // static 538 llvm::Optional<MatcherCtor> Registry::lookupMatcherCtor(StringRef MatcherName) { 539 auto it = RegistryData->constructors().find(MatcherName); 540 return it == RegistryData->constructors().end() 541 ? llvm::Optional<MatcherCtor>() 542 : it->second.get(); 543 } 544 545 static llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, 546 const std::set<ASTNodeKind> &KS) { 547 unsigned Count = 0; 548 for (std::set<ASTNodeKind>::const_iterator I = KS.begin(), E = KS.end(); 549 I != E; ++I) { 550 if (I != KS.begin()) 551 OS << "|"; 552 if (Count++ == 3) { 553 OS << "..."; 554 break; 555 } 556 OS << *I; 557 } 558 return OS; 559 } 560 561 std::vector<ArgKind> Registry::getAcceptedCompletionTypes( 562 ArrayRef<std::pair<MatcherCtor, unsigned>> Context) { 563 ASTNodeKind InitialTypes[] = { 564 ASTNodeKind::getFromNodeKind<Decl>(), 565 ASTNodeKind::getFromNodeKind<QualType>(), 566 ASTNodeKind::getFromNodeKind<Type>(), 567 ASTNodeKind::getFromNodeKind<Stmt>(), 568 ASTNodeKind::getFromNodeKind<NestedNameSpecifier>(), 569 ASTNodeKind::getFromNodeKind<NestedNameSpecifierLoc>(), 570 ASTNodeKind::getFromNodeKind<TypeLoc>()}; 571 572 // Starting with the above seed of acceptable top-level matcher types, compute 573 // the acceptable type set for the argument indicated by each context element. 574 std::set<ArgKind> TypeSet(std::begin(InitialTypes), std::end(InitialTypes)); 575 for (const auto &CtxEntry : Context) { 576 MatcherCtor Ctor = CtxEntry.first; 577 unsigned ArgNumber = CtxEntry.second; 578 std::vector<ArgKind> NextTypeSet; 579 for (const ArgKind &Kind : TypeSet) { 580 if (Kind.getArgKind() == Kind.AK_Matcher && 581 Ctor->isConvertibleTo(Kind.getMatcherKind()) && 582 (Ctor->isVariadic() || ArgNumber < Ctor->getNumArgs())) 583 Ctor->getArgKinds(Kind.getMatcherKind(), ArgNumber, NextTypeSet); 584 } 585 TypeSet.clear(); 586 TypeSet.insert(NextTypeSet.begin(), NextTypeSet.end()); 587 } 588 return std::vector<ArgKind>(TypeSet.begin(), TypeSet.end()); 589 } 590 591 std::vector<MatcherCompletion> 592 Registry::getMatcherCompletions(ArrayRef<ArgKind> AcceptedTypes) { 593 std::vector<MatcherCompletion> Completions; 594 595 // Search the registry for acceptable matchers. 596 for (const auto &M : RegistryData->constructors()) { 597 const MatcherDescriptor& Matcher = *M.getValue(); 598 StringRef Name = M.getKey(); 599 600 std::set<ASTNodeKind> RetKinds; 601 unsigned NumArgs = Matcher.isVariadic() ? 1 : Matcher.getNumArgs(); 602 bool IsPolymorphic = Matcher.isPolymorphic(); 603 std::vector<std::vector<ArgKind>> ArgsKinds(NumArgs); 604 unsigned MaxSpecificity = 0; 605 for (const ArgKind& Kind : AcceptedTypes) { 606 if (Kind.getArgKind() != Kind.AK_Matcher) 607 continue; 608 unsigned Specificity; 609 ASTNodeKind LeastDerivedKind; 610 if (Matcher.isConvertibleTo(Kind.getMatcherKind(), &Specificity, 611 &LeastDerivedKind)) { 612 if (MaxSpecificity < Specificity) 613 MaxSpecificity = Specificity; 614 RetKinds.insert(LeastDerivedKind); 615 for (unsigned Arg = 0; Arg != NumArgs; ++Arg) 616 Matcher.getArgKinds(Kind.getMatcherKind(), Arg, ArgsKinds[Arg]); 617 if (IsPolymorphic) 618 break; 619 } 620 } 621 622 if (!RetKinds.empty() && MaxSpecificity > 0) { 623 std::string Decl; 624 llvm::raw_string_ostream OS(Decl); 625 626 if (IsPolymorphic) { 627 OS << "Matcher<T> " << Name << "(Matcher<T>"; 628 } else { 629 OS << "Matcher<" << RetKinds << "> " << Name << "("; 630 for (const std::vector<ArgKind> &Arg : ArgsKinds) { 631 if (&Arg != &ArgsKinds[0]) 632 OS << ", "; 633 634 bool FirstArgKind = true; 635 std::set<ASTNodeKind> MatcherKinds; 636 // Two steps. First all non-matchers, then matchers only. 637 for (const ArgKind &AK : Arg) { 638 if (AK.getArgKind() == ArgKind::AK_Matcher) { 639 MatcherKinds.insert(AK.getMatcherKind()); 640 } else { 641 if (!FirstArgKind) OS << "|"; 642 FirstArgKind = false; 643 OS << AK.asString(); 644 } 645 } 646 if (!MatcherKinds.empty()) { 647 if (!FirstArgKind) OS << "|"; 648 OS << "Matcher<" << MatcherKinds << ">"; 649 } 650 } 651 } 652 if (Matcher.isVariadic()) 653 OS << "..."; 654 OS << ")"; 655 656 std::string TypedText = Name; 657 TypedText += "("; 658 if (ArgsKinds.empty()) 659 TypedText += ")"; 660 else if (ArgsKinds[0][0].getArgKind() == ArgKind::AK_String) 661 TypedText += "\""; 662 663 Completions.emplace_back(TypedText, OS.str(), MaxSpecificity); 664 } 665 } 666 667 return Completions; 668 } 669 670 VariantMatcher Registry::constructMatcher(MatcherCtor Ctor, 671 SourceRange NameRange, 672 ArrayRef<ParserValue> Args, 673 Diagnostics *Error) { 674 return Ctor->create(NameRange, Args, Error); 675 } 676 677 VariantMatcher Registry::constructBoundMatcher(MatcherCtor Ctor, 678 SourceRange NameRange, 679 StringRef BindID, 680 ArrayRef<ParserValue> Args, 681 Diagnostics *Error) { 682 VariantMatcher Out = constructMatcher(Ctor, NameRange, Args, Error); 683 if (Out.isNull()) return Out; 684 685 llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher(); 686 if (Result.hasValue()) { 687 llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID); 688 if (Bound.hasValue()) { 689 return VariantMatcher::SingleMatcher(*Bound); 690 } 691 } 692 Error->addError(NameRange, Error->ET_RegistryNotBindable); 693 return VariantMatcher(); 694 } 695 696 } // namespace dynamic 697 } // namespace ast_matchers 698 } // namespace clang 699