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