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 namespace clang { 35 namespace ast_matchers { 36 namespace dynamic { 37 38 namespace { 39 40 using internal::MatcherDescriptor; 41 42 using ConstructorMap = 43 llvm::StringMap<std::unique_ptr<const MatcherDescriptor>>; 44 45 class RegistryMaps { 46 public: 47 RegistryMaps(); 48 ~RegistryMaps(); 49 50 const ConstructorMap &constructors() const { return Constructors; } 51 52 private: 53 void registerMatcher(StringRef MatcherName, 54 std::unique_ptr<MatcherDescriptor> Callback); 55 56 ConstructorMap Constructors; 57 }; 58 59 } // namespace 60 61 void RegistryMaps::registerMatcher( 62 StringRef MatcherName, std::unique_ptr<MatcherDescriptor> Callback) { 63 assert(Constructors.find(MatcherName) == Constructors.end()); 64 Constructors[MatcherName] = std::move(Callback); 65 } 66 67 #define REGISTER_MATCHER(name) \ 68 registerMatcher(#name, internal::makeMatcherAutoMarshall( \ 69 ::clang::ast_matchers::name, #name)); 70 71 #define REGISTER_MATCHER_OVERLOAD(name) \ 72 registerMatcher(#name, \ 73 std::make_unique<internal::OverloadedMatcherDescriptor>(name##Callbacks)) 74 75 #define SPECIFIC_MATCHER_OVERLOAD(name, Id) \ 76 static_cast<::clang::ast_matchers::name##_Type##Id>( \ 77 ::clang::ast_matchers::name) 78 79 #define MATCHER_OVERLOAD_ENTRY(name, Id) \ 80 internal::makeMatcherAutoMarshall(SPECIFIC_MATCHER_OVERLOAD(name, Id), \ 81 #name) 82 83 #define REGISTER_OVERLOADED_2(name) \ 84 do { \ 85 std::unique_ptr<MatcherDescriptor> name##Callbacks[] = { \ 86 MATCHER_OVERLOAD_ENTRY(name, 0), \ 87 MATCHER_OVERLOAD_ENTRY(name, 1)}; \ 88 REGISTER_MATCHER_OVERLOAD(name); \ 89 } while (false) 90 91 #define REGISTER_REGEX_MATCHER(name) \ 92 registerMatcher(#name, internal::makeMatcherRegexMarshall(name, name)) 93 94 /// Generate a registry map with all the known matchers. 95 /// Please keep sorted alphabetically! 96 RegistryMaps::RegistryMaps() { 97 // TODO: Here is the list of the missing matchers, grouped by reason. 98 // 99 // Polymorphic + argument overload: 100 // findAll 101 // 102 // Other: 103 // equalsNode 104 105 REGISTER_OVERLOADED_2(callee); 106 REGISTER_OVERLOADED_2(hasAnyCapture); 107 REGISTER_OVERLOADED_2(hasPrefix); 108 REGISTER_OVERLOADED_2(hasType); 109 REGISTER_OVERLOADED_2(ignoringParens); 110 REGISTER_OVERLOADED_2(isDerivedFrom); 111 REGISTER_OVERLOADED_2(isDirectlyDerivedFrom); 112 REGISTER_OVERLOADED_2(isSameOrDerivedFrom); 113 REGISTER_OVERLOADED_2(loc); 114 REGISTER_OVERLOADED_2(pointsTo); 115 REGISTER_OVERLOADED_2(references); 116 REGISTER_OVERLOADED_2(thisPointerType); 117 118 std::unique_ptr<MatcherDescriptor> equalsCallbacks[] = { 119 MATCHER_OVERLOAD_ENTRY(equals, 0), 120 MATCHER_OVERLOAD_ENTRY(equals, 1), 121 MATCHER_OVERLOAD_ENTRY(equals, 2), 122 }; 123 REGISTER_MATCHER_OVERLOAD(equals); 124 125 REGISTER_REGEX_MATCHER(isExpansionInFileMatching); 126 REGISTER_REGEX_MATCHER(matchesName); 127 REGISTER_REGEX_MATCHER(matchesSelector); 128 129 REGISTER_MATCHER(accessSpecDecl); 130 REGISTER_MATCHER(addrLabelExpr); 131 REGISTER_MATCHER(alignOfExpr); 132 REGISTER_MATCHER(allOf); 133 REGISTER_MATCHER(anyOf); 134 REGISTER_MATCHER(anything); 135 REGISTER_MATCHER(argumentCountIs); 136 REGISTER_MATCHER(arraySubscriptExpr); 137 REGISTER_MATCHER(arrayType); 138 REGISTER_MATCHER(asString); 139 REGISTER_MATCHER(asmStmt); 140 REGISTER_MATCHER(atomicExpr); 141 REGISTER_MATCHER(atomicType); 142 REGISTER_MATCHER(autoType); 143 REGISTER_MATCHER(autoreleasePoolStmt) 144 REGISTER_MATCHER(binaryConditionalOperator); 145 REGISTER_MATCHER(binaryOperator); 146 REGISTER_MATCHER(blockDecl); 147 REGISTER_MATCHER(blockExpr); 148 REGISTER_MATCHER(blockPointerType); 149 REGISTER_MATCHER(booleanType); 150 REGISTER_MATCHER(breakStmt); 151 REGISTER_MATCHER(builtinType); 152 REGISTER_MATCHER(cStyleCastExpr); 153 REGISTER_MATCHER(callExpr); 154 REGISTER_MATCHER(caseStmt); 155 REGISTER_MATCHER(castExpr); 156 REGISTER_MATCHER(characterLiteral); 157 REGISTER_MATCHER(chooseExpr); 158 REGISTER_MATCHER(classTemplateDecl); 159 REGISTER_MATCHER(classTemplatePartialSpecializationDecl); 160 REGISTER_MATCHER(classTemplateSpecializationDecl); 161 REGISTER_MATCHER(complexType); 162 REGISTER_MATCHER(compoundLiteralExpr); 163 REGISTER_MATCHER(compoundStmt); 164 REGISTER_MATCHER(conditionalOperator); 165 REGISTER_MATCHER(constantArrayType); 166 REGISTER_MATCHER(constantExpr); 167 REGISTER_MATCHER(containsDeclaration); 168 REGISTER_MATCHER(continueStmt); 169 REGISTER_MATCHER(cudaKernelCallExpr); 170 REGISTER_MATCHER(cxxBindTemporaryExpr); 171 REGISTER_MATCHER(cxxBoolLiteral); 172 REGISTER_MATCHER(cxxCatchStmt); 173 REGISTER_MATCHER(cxxConstCastExpr); 174 REGISTER_MATCHER(cxxConstructExpr); 175 REGISTER_MATCHER(cxxConstructorDecl); 176 REGISTER_MATCHER(cxxConversionDecl); 177 REGISTER_MATCHER(cxxCtorInitializer); 178 REGISTER_MATCHER(cxxDeductionGuideDecl); 179 REGISTER_MATCHER(cxxDefaultArgExpr); 180 REGISTER_MATCHER(cxxDeleteExpr); 181 REGISTER_MATCHER(cxxDependentScopeMemberExpr); 182 REGISTER_MATCHER(cxxDestructorDecl); 183 REGISTER_MATCHER(cxxDynamicCastExpr); 184 REGISTER_MATCHER(cxxForRangeStmt); 185 REGISTER_MATCHER(cxxFunctionalCastExpr); 186 REGISTER_MATCHER(cxxMemberCallExpr); 187 REGISTER_MATCHER(cxxMethodDecl); 188 REGISTER_MATCHER(cxxNewExpr); 189 REGISTER_MATCHER(cxxNoexceptExpr); 190 REGISTER_MATCHER(cxxNullPtrLiteralExpr); 191 REGISTER_MATCHER(cxxOperatorCallExpr); 192 REGISTER_MATCHER(cxxRecordDecl); 193 REGISTER_MATCHER(cxxReinterpretCastExpr); 194 REGISTER_MATCHER(cxxStaticCastExpr); 195 REGISTER_MATCHER(cxxStdInitializerListExpr); 196 REGISTER_MATCHER(cxxTemporaryObjectExpr); 197 REGISTER_MATCHER(cxxThisExpr); 198 REGISTER_MATCHER(cxxThrowExpr); 199 REGISTER_MATCHER(cxxTryStmt); 200 REGISTER_MATCHER(cxxUnresolvedConstructExpr); 201 REGISTER_MATCHER(decayedType); 202 REGISTER_MATCHER(decl); 203 REGISTER_MATCHER(decompositionDecl); 204 REGISTER_MATCHER(declCountIs); 205 REGISTER_MATCHER(declRefExpr); 206 REGISTER_MATCHER(declStmt); 207 REGISTER_MATCHER(declaratorDecl); 208 REGISTER_MATCHER(decltypeType); 209 REGISTER_MATCHER(deducedTemplateSpecializationType); 210 REGISTER_MATCHER(defaultStmt); 211 REGISTER_MATCHER(dependentSizedArrayType); 212 REGISTER_MATCHER(designatedInitExpr); 213 REGISTER_MATCHER(designatorCountIs); 214 REGISTER_MATCHER(doStmt); 215 REGISTER_MATCHER(eachOf); 216 REGISTER_MATCHER(elaboratedType); 217 REGISTER_MATCHER(enumConstantDecl); 218 REGISTER_MATCHER(enumDecl); 219 REGISTER_MATCHER(enumType); 220 REGISTER_MATCHER(equalsBoundNode); 221 REGISTER_MATCHER(equalsIntegralValue); 222 REGISTER_MATCHER(explicitCastExpr); 223 REGISTER_MATCHER(expr); 224 REGISTER_MATCHER(exprWithCleanups); 225 REGISTER_MATCHER(fieldDecl); 226 REGISTER_MATCHER(floatLiteral); 227 REGISTER_MATCHER(forEach); 228 REGISTER_MATCHER(forEachArgumentWithParam); 229 REGISTER_MATCHER(forEachArgumentWithParamType); 230 REGISTER_MATCHER(forEachConstructorInitializer); 231 REGISTER_MATCHER(forEachDescendant); 232 REGISTER_MATCHER(forEachOverridden); 233 REGISTER_MATCHER(forEachSwitchCase); 234 REGISTER_MATCHER(forField); 235 REGISTER_MATCHER(forFunction); 236 REGISTER_MATCHER(forStmt); 237 REGISTER_MATCHER(friendDecl); 238 REGISTER_MATCHER(functionDecl); 239 REGISTER_MATCHER(functionProtoType); 240 REGISTER_MATCHER(functionTemplateDecl); 241 REGISTER_MATCHER(functionType); 242 REGISTER_MATCHER(genericSelectionExpr); 243 REGISTER_MATCHER(gnuNullExpr); 244 REGISTER_MATCHER(gotoStmt); 245 REGISTER_MATCHER(has); 246 REGISTER_MATCHER(hasAncestor); 247 REGISTER_MATCHER(hasAnyArgument); 248 REGISTER_MATCHER(hasAnyBase); 249 REGISTER_MATCHER(hasAnyClause); 250 REGISTER_MATCHER(hasAnyConstructorInitializer); 251 REGISTER_MATCHER(hasAnyDeclaration); 252 REGISTER_MATCHER(hasAnyName); 253 REGISTER_MATCHER(hasAnyOperatorName); 254 REGISTER_MATCHER(hasAnyOverloadedOperatorName); 255 REGISTER_MATCHER(hasAnyParameter); 256 REGISTER_MATCHER(hasAnyPlacementArg); 257 REGISTER_MATCHER(hasAnySelector); 258 REGISTER_MATCHER(hasAnySubstatement); 259 REGISTER_MATCHER(hasAnyTemplateArgument); 260 REGISTER_MATCHER(hasAnyUsingShadowDecl); 261 REGISTER_MATCHER(hasArgument); 262 REGISTER_MATCHER(hasArgumentOfType); 263 REGISTER_MATCHER(hasArraySize); 264 REGISTER_MATCHER(hasAttr); 265 REGISTER_MATCHER(hasAutomaticStorageDuration); 266 REGISTER_MATCHER(hasBase); 267 REGISTER_MATCHER(hasBitWidth); 268 REGISTER_MATCHER(hasBody); 269 REGISTER_MATCHER(hasCanonicalType); 270 REGISTER_MATCHER(hasCaseConstant); 271 REGISTER_MATCHER(hasCastKind); 272 REGISTER_MATCHER(hasCondition); 273 REGISTER_MATCHER(hasConditionVariableStatement); 274 REGISTER_MATCHER(hasDecayedType); 275 REGISTER_MATCHER(hasDeclContext); 276 REGISTER_MATCHER(hasDeclaration); 277 REGISTER_MATCHER(hasDeducedType); 278 REGISTER_MATCHER(hasDefaultArgument); 279 REGISTER_MATCHER(hasDefinition); 280 REGISTER_MATCHER(hasDescendant); 281 REGISTER_MATCHER(hasDestinationType); 282 REGISTER_MATCHER(hasDirectBase); 283 REGISTER_MATCHER(hasDynamicExceptionSpec); 284 REGISTER_MATCHER(hasEitherOperand); 285 REGISTER_MATCHER(hasElementType); 286 REGISTER_MATCHER(hasElse); 287 REGISTER_MATCHER(hasExplicitSpecifier); 288 REGISTER_MATCHER(hasExternalFormalLinkage); 289 REGISTER_MATCHER(hasFalseExpression); 290 REGISTER_MATCHER(hasGlobalStorage); 291 REGISTER_MATCHER(hasImplicitDestinationType); 292 REGISTER_MATCHER(hasInClassInitializer); 293 REGISTER_MATCHER(hasIncrement); 294 REGISTER_MATCHER(hasIndex); 295 REGISTER_MATCHER(hasInit); 296 REGISTER_MATCHER(hasInitializer); 297 REGISTER_MATCHER(hasInitStatement); 298 REGISTER_MATCHER(hasKeywordSelector); 299 REGISTER_MATCHER(hasLHS); 300 REGISTER_MATCHER(hasLocalQualifiers); 301 REGISTER_MATCHER(hasLocalStorage); 302 REGISTER_MATCHER(hasLoopInit); 303 REGISTER_MATCHER(hasLoopVariable); 304 REGISTER_MATCHER(hasMemberName); 305 REGISTER_MATCHER(hasMethod); 306 REGISTER_MATCHER(hasName); 307 REGISTER_MATCHER(hasNullSelector); 308 REGISTER_MATCHER(hasObjectExpression); 309 REGISTER_MATCHER(hasOperands); 310 REGISTER_MATCHER(hasOperatorName); 311 REGISTER_MATCHER(hasOverloadedOperatorName); 312 REGISTER_MATCHER(hasParameter); 313 REGISTER_MATCHER(hasParent); 314 REGISTER_MATCHER(hasQualifier); 315 REGISTER_MATCHER(hasRHS); 316 REGISTER_MATCHER(hasRangeInit); 317 REGISTER_MATCHER(hasReceiver); 318 REGISTER_MATCHER(hasReceiverType); 319 REGISTER_MATCHER(hasReplacementType); 320 REGISTER_MATCHER(hasReturnValue); 321 REGISTER_MATCHER(hasPlacementArg); 322 REGISTER_MATCHER(hasSelector); 323 REGISTER_MATCHER(hasSingleDecl); 324 REGISTER_MATCHER(hasSize); 325 REGISTER_MATCHER(hasSizeExpr); 326 REGISTER_MATCHER(hasSourceExpression); 327 REGISTER_MATCHER(hasSpecializedTemplate); 328 REGISTER_MATCHER(hasStaticStorageDuration); 329 REGISTER_MATCHER(hasStructuredBlock); 330 REGISTER_MATCHER(hasSyntacticForm); 331 REGISTER_MATCHER(hasTargetDecl); 332 REGISTER_MATCHER(hasTemplateArgument); 333 REGISTER_MATCHER(hasThen); 334 REGISTER_MATCHER(hasThreadStorageDuration); 335 REGISTER_MATCHER(hasTrailingReturn); 336 REGISTER_MATCHER(hasTrueExpression); 337 REGISTER_MATCHER(hasTypeLoc); 338 REGISTER_MATCHER(hasUnaryOperand); 339 REGISTER_MATCHER(hasUnarySelector); 340 REGISTER_MATCHER(hasUnderlyingDecl); 341 REGISTER_MATCHER(hasUnderlyingType); 342 REGISTER_MATCHER(hasUnqualifiedDesugaredType); 343 REGISTER_MATCHER(hasValueType); 344 REGISTER_MATCHER(ifStmt); 345 REGISTER_MATCHER(ignoringElidableConstructorCall); 346 REGISTER_MATCHER(ignoringImpCasts); 347 REGISTER_MATCHER(ignoringImplicit); 348 REGISTER_MATCHER(ignoringParenCasts); 349 REGISTER_MATCHER(ignoringParenImpCasts); 350 REGISTER_MATCHER(imaginaryLiteral); 351 REGISTER_MATCHER(implicitCastExpr); 352 REGISTER_MATCHER(implicitValueInitExpr); 353 REGISTER_MATCHER(incompleteArrayType); 354 REGISTER_MATCHER(indirectFieldDecl); 355 REGISTER_MATCHER(initListExpr); 356 REGISTER_MATCHER(injectedClassNameType); 357 REGISTER_MATCHER(innerType); 358 REGISTER_MATCHER(integerLiteral); 359 REGISTER_MATCHER(isAllowedToContainClauseKind); 360 REGISTER_MATCHER(isAnonymous); 361 REGISTER_MATCHER(isAnyCharacter); 362 REGISTER_MATCHER(isAnyPointer); 363 REGISTER_MATCHER(isArray); 364 REGISTER_MATCHER(isArrow); 365 REGISTER_MATCHER(isAssignmentOperator); 366 REGISTER_MATCHER(isAtPosition); 367 REGISTER_MATCHER(isBaseInitializer); 368 REGISTER_MATCHER(isBitField); 369 REGISTER_MATCHER(isCatchAll); 370 REGISTER_MATCHER(isClass); 371 REGISTER_MATCHER(isClassMessage); 372 REGISTER_MATCHER(isClassMethod); 373 REGISTER_MATCHER(isComparisonOperator); 374 REGISTER_MATCHER(isConst); 375 REGISTER_MATCHER(isConstQualified); 376 REGISTER_MATCHER(isConstexpr); 377 REGISTER_MATCHER(isCopyAssignmentOperator); 378 REGISTER_MATCHER(isCopyConstructor); 379 REGISTER_MATCHER(isDefaultConstructor); 380 REGISTER_MATCHER(isDefaulted); 381 REGISTER_MATCHER(isDefinition); 382 REGISTER_MATCHER(isDelegatingConstructor); 383 REGISTER_MATCHER(isDeleted); 384 REGISTER_MATCHER(isEnum); 385 REGISTER_MATCHER(isExceptionVariable); 386 REGISTER_MATCHER(isExpandedFromMacro); 387 REGISTER_MATCHER(isExpansionInMainFile); 388 REGISTER_MATCHER(isExpansionInSystemHeader); 389 REGISTER_MATCHER(isExplicit); 390 REGISTER_MATCHER(isExplicitTemplateSpecialization); 391 REGISTER_MATCHER(isExpr); 392 REGISTER_MATCHER(isExternC); 393 REGISTER_MATCHER(isFinal); 394 REGISTER_MATCHER(isFirstPrivateKind); 395 REGISTER_MATCHER(isImplicit); 396 REGISTER_MATCHER(isInStdNamespace); 397 REGISTER_MATCHER(isInTemplateInstantiation); 398 REGISTER_MATCHER(isInline); 399 REGISTER_MATCHER(isInstanceMessage); 400 REGISTER_MATCHER(isInstanceMethod); 401 REGISTER_MATCHER(isInstantiated); 402 REGISTER_MATCHER(isInstantiationDependent); 403 REGISTER_MATCHER(isInteger); 404 REGISTER_MATCHER(isIntegral); 405 REGISTER_MATCHER(isLambda); 406 REGISTER_MATCHER(isListInitialization); 407 REGISTER_MATCHER(isMain); 408 REGISTER_MATCHER(isMemberInitializer); 409 REGISTER_MATCHER(isMoveAssignmentOperator); 410 REGISTER_MATCHER(isMoveConstructor); 411 REGISTER_MATCHER(isNoReturn); 412 REGISTER_MATCHER(isNoThrow); 413 REGISTER_MATCHER(isNoneKind); 414 REGISTER_MATCHER(isOverride); 415 REGISTER_MATCHER(isPrivate); 416 REGISTER_MATCHER(isProtected); 417 REGISTER_MATCHER(isPublic); 418 REGISTER_MATCHER(isPure); 419 REGISTER_MATCHER(isScoped); 420 REGISTER_MATCHER(isSharedKind); 421 REGISTER_MATCHER(isSignedInteger); 422 REGISTER_MATCHER(isStandaloneDirective); 423 REGISTER_MATCHER(isStaticLocal); 424 REGISTER_MATCHER(isStaticStorageClass); 425 REGISTER_MATCHER(isStruct); 426 REGISTER_MATCHER(isTemplateInstantiation); 427 REGISTER_MATCHER(isTypeDependent); 428 REGISTER_MATCHER(isUnion); 429 REGISTER_MATCHER(isUnsignedInteger); 430 REGISTER_MATCHER(isUserProvided); 431 REGISTER_MATCHER(isValueDependent); 432 REGISTER_MATCHER(isVariadic); 433 REGISTER_MATCHER(isVirtual); 434 REGISTER_MATCHER(isVirtualAsWritten); 435 REGISTER_MATCHER(isVolatileQualified); 436 REGISTER_MATCHER(isWeak); 437 REGISTER_MATCHER(isWritten); 438 REGISTER_MATCHER(lValueReferenceType); 439 REGISTER_MATCHER(labelDecl); 440 REGISTER_MATCHER(labelStmt); 441 REGISTER_MATCHER(lambdaExpr); 442 REGISTER_MATCHER(linkageSpecDecl); 443 REGISTER_MATCHER(materializeTemporaryExpr); 444 REGISTER_MATCHER(member); 445 REGISTER_MATCHER(memberExpr); 446 REGISTER_MATCHER(memberHasSameNameAsBoundNode); 447 REGISTER_MATCHER(memberPointerType); 448 REGISTER_MATCHER(namedDecl); 449 REGISTER_MATCHER(namesType); 450 REGISTER_MATCHER(namespaceAliasDecl); 451 REGISTER_MATCHER(namespaceDecl); 452 REGISTER_MATCHER(nestedNameSpecifier); 453 REGISTER_MATCHER(nestedNameSpecifierLoc); 454 REGISTER_MATCHER(nonTypeTemplateParmDecl); 455 REGISTER_MATCHER(nullPointerConstant); 456 REGISTER_MATCHER(nullStmt); 457 REGISTER_MATCHER(numSelectorArgs); 458 REGISTER_MATCHER(objcCatchStmt); 459 REGISTER_MATCHER(objcCategoryDecl); 460 REGISTER_MATCHER(objcCategoryImplDecl); 461 REGISTER_MATCHER(objcFinallyStmt); 462 REGISTER_MATCHER(objcImplementationDecl); 463 REGISTER_MATCHER(objcInterfaceDecl); 464 REGISTER_MATCHER(objcIvarDecl); 465 REGISTER_MATCHER(objcIvarRefExpr); 466 REGISTER_MATCHER(objcMessageExpr); 467 REGISTER_MATCHER(objcMethodDecl); 468 REGISTER_MATCHER(objcObjectPointerType); 469 REGISTER_MATCHER(objcPropertyDecl); 470 REGISTER_MATCHER(objcProtocolDecl); 471 REGISTER_MATCHER(objcThrowStmt); 472 REGISTER_MATCHER(objcTryStmt); 473 REGISTER_MATCHER(ofClass); 474 REGISTER_MATCHER(ofKind); 475 REGISTER_MATCHER(ompDefaultClause); 476 REGISTER_MATCHER(ompExecutableDirective); 477 REGISTER_MATCHER(on); 478 REGISTER_MATCHER(onImplicitObjectArgument); 479 REGISTER_MATCHER(opaqueValueExpr); 480 REGISTER_MATCHER(optionally); 481 REGISTER_MATCHER(parameterCountIs); 482 REGISTER_MATCHER(parenExpr); 483 REGISTER_MATCHER(parenListExpr); 484 REGISTER_MATCHER(parenType); 485 REGISTER_MATCHER(parmVarDecl); 486 REGISTER_MATCHER(pointee); 487 REGISTER_MATCHER(pointerType); 488 REGISTER_MATCHER(predefinedExpr); 489 REGISTER_MATCHER(qualType); 490 REGISTER_MATCHER(rValueReferenceType); 491 REGISTER_MATCHER(realFloatingPointType); 492 REGISTER_MATCHER(recordDecl); 493 REGISTER_MATCHER(recordType); 494 REGISTER_MATCHER(referenceType); 495 REGISTER_MATCHER(refersToDeclaration); 496 REGISTER_MATCHER(refersToIntegralType); 497 REGISTER_MATCHER(refersToTemplate); 498 REGISTER_MATCHER(refersToType); 499 REGISTER_MATCHER(requiresZeroInitialization); 500 REGISTER_MATCHER(returnStmt); 501 REGISTER_MATCHER(returns); 502 REGISTER_MATCHER(sizeOfExpr); 503 REGISTER_MATCHER(specifiesNamespace); 504 REGISTER_MATCHER(specifiesType); 505 REGISTER_MATCHER(specifiesTypeLoc); 506 REGISTER_MATCHER(statementCountIs); 507 REGISTER_MATCHER(staticAssertDecl); 508 REGISTER_MATCHER(stmt); 509 REGISTER_MATCHER(stmtExpr); 510 REGISTER_MATCHER(stringLiteral); 511 REGISTER_MATCHER(substNonTypeTemplateParmExpr); 512 REGISTER_MATCHER(substTemplateTypeParmType); 513 REGISTER_MATCHER(switchCase); 514 REGISTER_MATCHER(switchStmt); 515 REGISTER_MATCHER(tagDecl); 516 REGISTER_MATCHER(tagType); 517 REGISTER_MATCHER(templateArgument); 518 REGISTER_MATCHER(templateArgumentCountIs); 519 REGISTER_MATCHER(templateName); 520 REGISTER_MATCHER(templateSpecializationType); 521 REGISTER_MATCHER(templateTemplateParmDecl); 522 REGISTER_MATCHER(templateTypeParmDecl); 523 REGISTER_MATCHER(templateTypeParmType); 524 REGISTER_MATCHER(throughUsingDecl); 525 REGISTER_MATCHER(to); 526 REGISTER_MATCHER(translationUnitDecl); 527 REGISTER_MATCHER(type); 528 REGISTER_MATCHER(typeAliasDecl); 529 REGISTER_MATCHER(typeAliasTemplateDecl); 530 REGISTER_MATCHER(typeLoc); 531 REGISTER_MATCHER(typedefDecl); 532 REGISTER_MATCHER(typedefNameDecl); 533 REGISTER_MATCHER(typedefType); 534 REGISTER_MATCHER(unaryExprOrTypeTraitExpr); 535 REGISTER_MATCHER(unaryOperator); 536 REGISTER_MATCHER(unaryTransformType); 537 REGISTER_MATCHER(unless); 538 REGISTER_MATCHER(unresolvedLookupExpr); 539 REGISTER_MATCHER(unresolvedMemberExpr); 540 REGISTER_MATCHER(unresolvedUsingTypenameDecl); 541 REGISTER_MATCHER(unresolvedUsingValueDecl); 542 REGISTER_MATCHER(userDefinedLiteral); 543 REGISTER_MATCHER(usesADL); 544 REGISTER_MATCHER(usingDecl); 545 REGISTER_MATCHER(usingDirectiveDecl); 546 REGISTER_MATCHER(valueDecl); 547 REGISTER_MATCHER(varDecl); 548 REGISTER_MATCHER(variableArrayType); 549 REGISTER_MATCHER(voidType); 550 REGISTER_MATCHER(whileStmt); 551 REGISTER_MATCHER(withInitializer); 552 } 553 554 RegistryMaps::~RegistryMaps() = default; 555 556 static llvm::ManagedStatic<RegistryMaps> RegistryData; 557 558 // static 559 llvm::Optional<MatcherCtor> Registry::lookupMatcherCtor(StringRef MatcherName) { 560 auto it = RegistryData->constructors().find(MatcherName); 561 return it == RegistryData->constructors().end() 562 ? llvm::Optional<MatcherCtor>() 563 : it->second.get(); 564 } 565 566 static llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, 567 const std::set<ASTNodeKind> &KS) { 568 unsigned Count = 0; 569 for (std::set<ASTNodeKind>::const_iterator I = KS.begin(), E = KS.end(); 570 I != E; ++I) { 571 if (I != KS.begin()) 572 OS << "|"; 573 if (Count++ == 3) { 574 OS << "..."; 575 break; 576 } 577 OS << *I; 578 } 579 return OS; 580 } 581 582 std::vector<ArgKind> Registry::getAcceptedCompletionTypes( 583 ArrayRef<std::pair<MatcherCtor, unsigned>> Context) { 584 ASTNodeKind InitialTypes[] = { 585 ASTNodeKind::getFromNodeKind<Decl>(), 586 ASTNodeKind::getFromNodeKind<QualType>(), 587 ASTNodeKind::getFromNodeKind<Type>(), 588 ASTNodeKind::getFromNodeKind<Stmt>(), 589 ASTNodeKind::getFromNodeKind<NestedNameSpecifier>(), 590 ASTNodeKind::getFromNodeKind<NestedNameSpecifierLoc>(), 591 ASTNodeKind::getFromNodeKind<TypeLoc>()}; 592 593 // Starting with the above seed of acceptable top-level matcher types, compute 594 // the acceptable type set for the argument indicated by each context element. 595 std::set<ArgKind> TypeSet(std::begin(InitialTypes), std::end(InitialTypes)); 596 for (const auto &CtxEntry : Context) { 597 MatcherCtor Ctor = CtxEntry.first; 598 unsigned ArgNumber = CtxEntry.second; 599 std::vector<ArgKind> NextTypeSet; 600 for (const ArgKind &Kind : TypeSet) { 601 if (Kind.getArgKind() == Kind.AK_Matcher && 602 Ctor->isConvertibleTo(Kind.getMatcherKind()) && 603 (Ctor->isVariadic() || ArgNumber < Ctor->getNumArgs())) 604 Ctor->getArgKinds(Kind.getMatcherKind(), ArgNumber, NextTypeSet); 605 } 606 TypeSet.clear(); 607 TypeSet.insert(NextTypeSet.begin(), NextTypeSet.end()); 608 } 609 return std::vector<ArgKind>(TypeSet.begin(), TypeSet.end()); 610 } 611 612 std::vector<MatcherCompletion> 613 Registry::getMatcherCompletions(ArrayRef<ArgKind> AcceptedTypes) { 614 std::vector<MatcherCompletion> Completions; 615 616 // Search the registry for acceptable matchers. 617 for (const auto &M : RegistryData->constructors()) { 618 const MatcherDescriptor& Matcher = *M.getValue(); 619 StringRef Name = M.getKey(); 620 621 std::set<ASTNodeKind> RetKinds; 622 unsigned NumArgs = Matcher.isVariadic() ? 1 : Matcher.getNumArgs(); 623 bool IsPolymorphic = Matcher.isPolymorphic(); 624 std::vector<std::vector<ArgKind>> ArgsKinds(NumArgs); 625 unsigned MaxSpecificity = 0; 626 for (const ArgKind& Kind : AcceptedTypes) { 627 if (Kind.getArgKind() != Kind.AK_Matcher) 628 continue; 629 unsigned Specificity; 630 ASTNodeKind LeastDerivedKind; 631 if (Matcher.isConvertibleTo(Kind.getMatcherKind(), &Specificity, 632 &LeastDerivedKind)) { 633 if (MaxSpecificity < Specificity) 634 MaxSpecificity = Specificity; 635 RetKinds.insert(LeastDerivedKind); 636 for (unsigned Arg = 0; Arg != NumArgs; ++Arg) 637 Matcher.getArgKinds(Kind.getMatcherKind(), Arg, ArgsKinds[Arg]); 638 if (IsPolymorphic) 639 break; 640 } 641 } 642 643 if (!RetKinds.empty() && MaxSpecificity > 0) { 644 std::string Decl; 645 llvm::raw_string_ostream OS(Decl); 646 647 if (IsPolymorphic) { 648 OS << "Matcher<T> " << Name << "(Matcher<T>"; 649 } else { 650 OS << "Matcher<" << RetKinds << "> " << Name << "("; 651 for (const std::vector<ArgKind> &Arg : ArgsKinds) { 652 if (&Arg != &ArgsKinds[0]) 653 OS << ", "; 654 655 bool FirstArgKind = true; 656 std::set<ASTNodeKind> MatcherKinds; 657 // Two steps. First all non-matchers, then matchers only. 658 for (const ArgKind &AK : Arg) { 659 if (AK.getArgKind() == ArgKind::AK_Matcher) { 660 MatcherKinds.insert(AK.getMatcherKind()); 661 } else { 662 if (!FirstArgKind) OS << "|"; 663 FirstArgKind = false; 664 OS << AK.asString(); 665 } 666 } 667 if (!MatcherKinds.empty()) { 668 if (!FirstArgKind) OS << "|"; 669 OS << "Matcher<" << MatcherKinds << ">"; 670 } 671 } 672 } 673 if (Matcher.isVariadic()) 674 OS << "..."; 675 OS << ")"; 676 677 std::string TypedText = std::string(Name); 678 TypedText += "("; 679 if (ArgsKinds.empty()) 680 TypedText += ")"; 681 else if (ArgsKinds[0][0].getArgKind() == ArgKind::AK_String) 682 TypedText += "\""; 683 684 Completions.emplace_back(TypedText, OS.str(), MaxSpecificity); 685 } 686 } 687 688 return Completions; 689 } 690 691 VariantMatcher Registry::constructMatcher(MatcherCtor Ctor, 692 SourceRange NameRange, 693 ArrayRef<ParserValue> Args, 694 Diagnostics *Error) { 695 return Ctor->create(NameRange, Args, Error); 696 } 697 698 VariantMatcher Registry::constructBoundMatcher(MatcherCtor Ctor, 699 SourceRange NameRange, 700 StringRef BindID, 701 ArrayRef<ParserValue> Args, 702 Diagnostics *Error) { 703 VariantMatcher Out = constructMatcher(Ctor, NameRange, Args, Error); 704 if (Out.isNull()) return Out; 705 706 llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher(); 707 if (Result.hasValue()) { 708 llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID); 709 if (Bound.hasValue()) { 710 return VariantMatcher::SingleMatcher(*Bound); 711 } 712 } 713 Error->addError(NameRange, Error->ET_RegistryNotBindable); 714 return VariantMatcher(); 715 } 716 717 } // namespace dynamic 718 } // namespace ast_matchers 719 } // namespace clang 720