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 registerMatcher("mapAnyOf", 106 std::make_unique<internal::MapAnyOfBuilderDescriptor>()); 107 108 REGISTER_OVERLOADED_2(callee); 109 REGISTER_OVERLOADED_2(hasAnyCapture); 110 REGISTER_OVERLOADED_2(hasPrefix); 111 REGISTER_OVERLOADED_2(hasType); 112 REGISTER_OVERLOADED_2(ignoringParens); 113 REGISTER_OVERLOADED_2(isDerivedFrom); 114 REGISTER_OVERLOADED_2(isDirectlyDerivedFrom); 115 REGISTER_OVERLOADED_2(isSameOrDerivedFrom); 116 REGISTER_OVERLOADED_2(loc); 117 REGISTER_OVERLOADED_2(pointsTo); 118 REGISTER_OVERLOADED_2(references); 119 REGISTER_OVERLOADED_2(thisPointerType); 120 121 std::unique_ptr<MatcherDescriptor> equalsCallbacks[] = { 122 MATCHER_OVERLOAD_ENTRY(equals, 0), 123 MATCHER_OVERLOAD_ENTRY(equals, 1), 124 MATCHER_OVERLOAD_ENTRY(equals, 2), 125 }; 126 REGISTER_MATCHER_OVERLOAD(equals); 127 128 REGISTER_REGEX_MATCHER(isExpansionInFileMatching); 129 REGISTER_REGEX_MATCHER(matchesName); 130 REGISTER_REGEX_MATCHER(matchesSelector); 131 132 REGISTER_MATCHER(accessSpecDecl); 133 REGISTER_MATCHER(addrLabelExpr); 134 REGISTER_MATCHER(alignOfExpr); 135 REGISTER_MATCHER(allOf); 136 REGISTER_MATCHER(anyOf); 137 REGISTER_MATCHER(anything); 138 REGISTER_MATCHER(argumentCountIs); 139 REGISTER_MATCHER(arraySubscriptExpr); 140 REGISTER_MATCHER(arrayType); 141 REGISTER_MATCHER(asString); 142 REGISTER_MATCHER(asmStmt); 143 REGISTER_MATCHER(atomicExpr); 144 REGISTER_MATCHER(atomicType); 145 REGISTER_MATCHER(attr); 146 REGISTER_MATCHER(autoType); 147 REGISTER_MATCHER(autoreleasePoolStmt) 148 REGISTER_MATCHER(binaryConditionalOperator); 149 REGISTER_MATCHER(binaryOperator); 150 REGISTER_MATCHER(binaryOperation); 151 REGISTER_MATCHER(bindingDecl); 152 REGISTER_MATCHER(blockDecl); 153 REGISTER_MATCHER(blockExpr); 154 REGISTER_MATCHER(blockPointerType); 155 REGISTER_MATCHER(booleanType); 156 REGISTER_MATCHER(breakStmt); 157 REGISTER_MATCHER(builtinType); 158 REGISTER_MATCHER(cStyleCastExpr); 159 REGISTER_MATCHER(callExpr); 160 REGISTER_MATCHER(caseStmt); 161 REGISTER_MATCHER(castExpr); 162 REGISTER_MATCHER(characterLiteral); 163 REGISTER_MATCHER(chooseExpr); 164 REGISTER_MATCHER(classTemplateDecl); 165 REGISTER_MATCHER(classTemplatePartialSpecializationDecl); 166 REGISTER_MATCHER(classTemplateSpecializationDecl); 167 REGISTER_MATCHER(complexType); 168 REGISTER_MATCHER(compoundLiteralExpr); 169 REGISTER_MATCHER(compoundStmt); 170 REGISTER_MATCHER(coawaitExpr); 171 REGISTER_MATCHER(conditionalOperator); 172 REGISTER_MATCHER(constantArrayType); 173 REGISTER_MATCHER(constantExpr); 174 REGISTER_MATCHER(containsDeclaration); 175 REGISTER_MATCHER(continueStmt); 176 REGISTER_MATCHER(coreturnStmt); 177 REGISTER_MATCHER(coyieldExpr); 178 REGISTER_MATCHER(cudaKernelCallExpr); 179 REGISTER_MATCHER(cxxBaseSpecifier); 180 REGISTER_MATCHER(cxxBindTemporaryExpr); 181 REGISTER_MATCHER(cxxBoolLiteral); 182 REGISTER_MATCHER(cxxCatchStmt); 183 REGISTER_MATCHER(cxxConstCastExpr); 184 REGISTER_MATCHER(cxxConstructExpr); 185 REGISTER_MATCHER(cxxConstructorDecl); 186 REGISTER_MATCHER(cxxConversionDecl); 187 REGISTER_MATCHER(cxxCtorInitializer); 188 REGISTER_MATCHER(cxxDeductionGuideDecl); 189 REGISTER_MATCHER(cxxDefaultArgExpr); 190 REGISTER_MATCHER(cxxDeleteExpr); 191 REGISTER_MATCHER(cxxDependentScopeMemberExpr); 192 REGISTER_MATCHER(cxxDestructorDecl); 193 REGISTER_MATCHER(cxxDynamicCastExpr); 194 REGISTER_MATCHER(cxxForRangeStmt); 195 REGISTER_MATCHER(cxxFunctionalCastExpr); 196 REGISTER_MATCHER(cxxMemberCallExpr); 197 REGISTER_MATCHER(cxxMethodDecl); 198 REGISTER_MATCHER(cxxNewExpr); 199 REGISTER_MATCHER(cxxNoexceptExpr); 200 REGISTER_MATCHER(cxxNullPtrLiteralExpr); 201 REGISTER_MATCHER(cxxOperatorCallExpr); 202 REGISTER_MATCHER(cxxRecordDecl); 203 REGISTER_MATCHER(cxxReinterpretCastExpr); 204 REGISTER_MATCHER(cxxRewrittenBinaryOperator); 205 REGISTER_MATCHER(cxxStaticCastExpr); 206 REGISTER_MATCHER(cxxStdInitializerListExpr); 207 REGISTER_MATCHER(cxxTemporaryObjectExpr); 208 REGISTER_MATCHER(cxxThisExpr); 209 REGISTER_MATCHER(cxxThrowExpr); 210 REGISTER_MATCHER(cxxTryStmt); 211 REGISTER_MATCHER(cxxUnresolvedConstructExpr); 212 REGISTER_MATCHER(decayedType); 213 REGISTER_MATCHER(decl); 214 REGISTER_MATCHER(decompositionDecl); 215 REGISTER_MATCHER(declCountIs); 216 REGISTER_MATCHER(declRefExpr); 217 REGISTER_MATCHER(declStmt); 218 REGISTER_MATCHER(declaratorDecl); 219 REGISTER_MATCHER(decltypeType); 220 REGISTER_MATCHER(deducedTemplateSpecializationType); 221 REGISTER_MATCHER(defaultStmt); 222 REGISTER_MATCHER(dependentCoawaitExpr); 223 REGISTER_MATCHER(dependentSizedArrayType); 224 REGISTER_MATCHER(designatedInitExpr); 225 REGISTER_MATCHER(designatorCountIs); 226 REGISTER_MATCHER(doStmt); 227 REGISTER_MATCHER(eachOf); 228 REGISTER_MATCHER(elaboratedType); 229 REGISTER_MATCHER(enumConstantDecl); 230 REGISTER_MATCHER(enumDecl); 231 REGISTER_MATCHER(enumType); 232 REGISTER_MATCHER(equalsBoundNode); 233 REGISTER_MATCHER(equalsIntegralValue); 234 REGISTER_MATCHER(explicitCastExpr); 235 REGISTER_MATCHER(expr); 236 REGISTER_MATCHER(exprWithCleanups); 237 REGISTER_MATCHER(fieldDecl); 238 REGISTER_MATCHER(fixedPointLiteral); 239 REGISTER_MATCHER(floatLiteral); 240 REGISTER_MATCHER(forCallable); 241 REGISTER_MATCHER(forDecomposition); 242 REGISTER_MATCHER(forEach); 243 REGISTER_MATCHER(forEachArgumentWithParam); 244 REGISTER_MATCHER(forEachArgumentWithParamType); 245 REGISTER_MATCHER(forEachConstructorInitializer); 246 REGISTER_MATCHER(forEachDescendant); 247 REGISTER_MATCHER(forEachOverridden); 248 REGISTER_MATCHER(forEachSwitchCase); 249 REGISTER_MATCHER(forField); 250 REGISTER_MATCHER(forFunction); 251 REGISTER_MATCHER(forStmt); 252 REGISTER_MATCHER(friendDecl); 253 REGISTER_MATCHER(functionDecl); 254 REGISTER_MATCHER(functionProtoType); 255 REGISTER_MATCHER(functionTemplateDecl); 256 REGISTER_MATCHER(functionType); 257 REGISTER_MATCHER(genericSelectionExpr); 258 REGISTER_MATCHER(gnuNullExpr); 259 REGISTER_MATCHER(gotoStmt); 260 REGISTER_MATCHER(has); 261 REGISTER_MATCHER(hasAncestor); 262 REGISTER_MATCHER(hasAnyArgument); 263 REGISTER_MATCHER(hasAnyBase); 264 REGISTER_MATCHER(hasAnyBinding); 265 REGISTER_MATCHER(hasAnyBody); 266 REGISTER_MATCHER(hasAnyClause); 267 REGISTER_MATCHER(hasAnyConstructorInitializer); 268 REGISTER_MATCHER(hasAnyDeclaration); 269 REGISTER_MATCHER(hasAnyName); 270 REGISTER_MATCHER(hasAnyOperatorName); 271 REGISTER_MATCHER(hasAnyOverloadedOperatorName); 272 REGISTER_MATCHER(hasAnyParameter); 273 REGISTER_MATCHER(hasAnyPlacementArg); 274 REGISTER_MATCHER(hasAnySelector); 275 REGISTER_MATCHER(hasAnySubstatement); 276 REGISTER_MATCHER(hasAnyTemplateArgument); 277 REGISTER_MATCHER(hasAnyUsingShadowDecl); 278 REGISTER_MATCHER(hasArgument); 279 REGISTER_MATCHER(hasArgumentOfType); 280 REGISTER_MATCHER(hasArraySize); 281 REGISTER_MATCHER(hasAttr); 282 REGISTER_MATCHER(hasAutomaticStorageDuration); 283 REGISTER_MATCHER(hasBase); 284 REGISTER_MATCHER(hasBinding); 285 REGISTER_MATCHER(hasBitWidth); 286 REGISTER_MATCHER(hasBody); 287 REGISTER_MATCHER(hasCanonicalType); 288 REGISTER_MATCHER(hasCaseConstant); 289 REGISTER_MATCHER(hasCastKind); 290 REGISTER_MATCHER(hasCondition); 291 REGISTER_MATCHER(hasConditionVariableStatement); 292 REGISTER_MATCHER(hasDecayedType); 293 REGISTER_MATCHER(hasDeclContext); 294 REGISTER_MATCHER(hasDeclaration); 295 REGISTER_MATCHER(hasDeducedType); 296 REGISTER_MATCHER(hasDefaultArgument); 297 REGISTER_MATCHER(hasDefinition); 298 REGISTER_MATCHER(hasDescendant); 299 REGISTER_MATCHER(hasDestinationType); 300 REGISTER_MATCHER(hasDirectBase); 301 REGISTER_MATCHER(hasDynamicExceptionSpec); 302 REGISTER_MATCHER(hasEitherOperand); 303 REGISTER_MATCHER(hasElementType); 304 REGISTER_MATCHER(hasElse); 305 REGISTER_MATCHER(hasExplicitSpecifier); 306 REGISTER_MATCHER(hasExternalFormalLinkage); 307 REGISTER_MATCHER(hasFalseExpression); 308 REGISTER_MATCHER(hasGlobalStorage); 309 REGISTER_MATCHER(hasImplicitDestinationType); 310 REGISTER_MATCHER(hasInClassInitializer); 311 REGISTER_MATCHER(hasIncrement); 312 REGISTER_MATCHER(hasIndex); 313 REGISTER_MATCHER(hasInit); 314 REGISTER_MATCHER(hasInitializer); 315 REGISTER_MATCHER(hasInitStatement); 316 REGISTER_MATCHER(hasKeywordSelector); 317 REGISTER_MATCHER(hasLHS); 318 REGISTER_MATCHER(hasLocalQualifiers); 319 REGISTER_MATCHER(hasLocalStorage); 320 REGISTER_MATCHER(hasLoopInit); 321 REGISTER_MATCHER(hasLoopVariable); 322 REGISTER_MATCHER(hasMemberName); 323 REGISTER_MATCHER(hasMethod); 324 REGISTER_MATCHER(hasName); 325 REGISTER_MATCHER(hasNullSelector); 326 REGISTER_MATCHER(hasObjectExpression); 327 REGISTER_MATCHER(hasOperands); 328 REGISTER_MATCHER(hasOperatorName); 329 REGISTER_MATCHER(hasOverloadedOperatorName); 330 REGISTER_MATCHER(hasParameter); 331 REGISTER_MATCHER(hasParent); 332 REGISTER_MATCHER(hasQualifier); 333 REGISTER_MATCHER(hasRHS); 334 REGISTER_MATCHER(hasRangeInit); 335 REGISTER_MATCHER(hasReceiver); 336 REGISTER_MATCHER(hasReceiverType); 337 REGISTER_MATCHER(hasReplacementType); 338 REGISTER_MATCHER(hasReturnValue); 339 REGISTER_MATCHER(hasPlacementArg); 340 REGISTER_MATCHER(hasSelector); 341 REGISTER_MATCHER(hasSingleDecl); 342 REGISTER_MATCHER(hasSize); 343 REGISTER_MATCHER(hasSizeExpr); 344 REGISTER_MATCHER(hasSourceExpression); 345 REGISTER_MATCHER(hasSpecializedTemplate); 346 REGISTER_MATCHER(hasStaticStorageDuration); 347 REGISTER_MATCHER(hasStructuredBlock); 348 REGISTER_MATCHER(hasSyntacticForm); 349 REGISTER_MATCHER(hasTargetDecl); 350 REGISTER_MATCHER(hasTemplateArgument); 351 REGISTER_MATCHER(hasThen); 352 REGISTER_MATCHER(hasThreadStorageDuration); 353 REGISTER_MATCHER(hasTrailingReturn); 354 REGISTER_MATCHER(hasTrueExpression); 355 REGISTER_MATCHER(hasTypeLoc); 356 REGISTER_MATCHER(hasUnaryOperand); 357 REGISTER_MATCHER(hasUnarySelector); 358 REGISTER_MATCHER(hasUnderlyingDecl); 359 REGISTER_MATCHER(hasUnderlyingType); 360 REGISTER_MATCHER(hasUnqualifiedDesugaredType); 361 REGISTER_MATCHER(hasValueType); 362 REGISTER_MATCHER(ifStmt); 363 REGISTER_MATCHER(ignoringElidableConstructorCall); 364 REGISTER_MATCHER(ignoringImpCasts); 365 REGISTER_MATCHER(ignoringImplicit); 366 REGISTER_MATCHER(ignoringParenCasts); 367 REGISTER_MATCHER(ignoringParenImpCasts); 368 REGISTER_MATCHER(imaginaryLiteral); 369 REGISTER_MATCHER(implicitCastExpr); 370 REGISTER_MATCHER(implicitValueInitExpr); 371 REGISTER_MATCHER(incompleteArrayType); 372 REGISTER_MATCHER(indirectFieldDecl); 373 REGISTER_MATCHER(initListExpr); 374 REGISTER_MATCHER(injectedClassNameType); 375 REGISTER_MATCHER(innerType); 376 REGISTER_MATCHER(integerLiteral); 377 REGISTER_MATCHER(invocation); 378 REGISTER_MATCHER(isAllowedToContainClauseKind); 379 REGISTER_MATCHER(isAnonymous); 380 REGISTER_MATCHER(isAnyCharacter); 381 REGISTER_MATCHER(isAnyPointer); 382 REGISTER_MATCHER(isArray); 383 REGISTER_MATCHER(isArrow); 384 REGISTER_MATCHER(isAssignmentOperator); 385 REGISTER_MATCHER(isAtPosition); 386 REGISTER_MATCHER(isBaseInitializer); 387 REGISTER_MATCHER(isBitField); 388 REGISTER_MATCHER(isCatchAll); 389 REGISTER_MATCHER(isClass); 390 REGISTER_MATCHER(isClassMessage); 391 REGISTER_MATCHER(isClassMethod); 392 REGISTER_MATCHER(isComparisonOperator); 393 REGISTER_MATCHER(isConst); 394 REGISTER_MATCHER(isConstQualified); 395 REGISTER_MATCHER(isConstexpr); 396 REGISTER_MATCHER(isCopyAssignmentOperator); 397 REGISTER_MATCHER(isCopyConstructor); 398 REGISTER_MATCHER(isDefaultConstructor); 399 REGISTER_MATCHER(isDefaulted); 400 REGISTER_MATCHER(isDefinition); 401 REGISTER_MATCHER(isDelegatingConstructor); 402 REGISTER_MATCHER(isDeleted); 403 REGISTER_MATCHER(isEnum); 404 REGISTER_MATCHER(isExceptionVariable); 405 REGISTER_MATCHER(isExpandedFromMacro); 406 REGISTER_MATCHER(isExpansionInMainFile); 407 REGISTER_MATCHER(isExpansionInSystemHeader); 408 REGISTER_MATCHER(isExplicit); 409 REGISTER_MATCHER(isExplicitTemplateSpecialization); 410 REGISTER_MATCHER(isExpr); 411 REGISTER_MATCHER(isExternC); 412 REGISTER_MATCHER(isFinal); 413 REGISTER_MATCHER(isFirstPrivateKind); 414 REGISTER_MATCHER(isImplicit); 415 REGISTER_MATCHER(isInStdNamespace); 416 REGISTER_MATCHER(isInTemplateInstantiation); 417 REGISTER_MATCHER(isInline); 418 REGISTER_MATCHER(isInstanceMessage); 419 REGISTER_MATCHER(isInstanceMethod); 420 REGISTER_MATCHER(isInstantiated); 421 REGISTER_MATCHER(isInstantiationDependent); 422 REGISTER_MATCHER(isInteger); 423 REGISTER_MATCHER(isIntegral); 424 REGISTER_MATCHER(isLambda); 425 REGISTER_MATCHER(isListInitialization); 426 REGISTER_MATCHER(isMain); 427 REGISTER_MATCHER(isMemberInitializer); 428 REGISTER_MATCHER(isMoveAssignmentOperator); 429 REGISTER_MATCHER(isMoveConstructor); 430 REGISTER_MATCHER(isNoReturn); 431 REGISTER_MATCHER(isNoThrow); 432 REGISTER_MATCHER(isNoneKind); 433 REGISTER_MATCHER(isOverride); 434 REGISTER_MATCHER(isPrivate); 435 REGISTER_MATCHER(isProtected); 436 REGISTER_MATCHER(isPublic); 437 REGISTER_MATCHER(isPure); 438 REGISTER_MATCHER(isScoped); 439 REGISTER_MATCHER(isSharedKind); 440 REGISTER_MATCHER(isSignedInteger); 441 REGISTER_MATCHER(isStandaloneDirective); 442 REGISTER_MATCHER(isStaticLocal); 443 REGISTER_MATCHER(isStaticStorageClass); 444 REGISTER_MATCHER(isStruct); 445 REGISTER_MATCHER(isTemplateInstantiation); 446 REGISTER_MATCHER(isTypeDependent); 447 REGISTER_MATCHER(isUnion); 448 REGISTER_MATCHER(isUnsignedInteger); 449 REGISTER_MATCHER(isUserProvided); 450 REGISTER_MATCHER(isValueDependent); 451 REGISTER_MATCHER(isVariadic); 452 REGISTER_MATCHER(isVirtual); 453 REGISTER_MATCHER(isVirtualAsWritten); 454 REGISTER_MATCHER(isVolatileQualified); 455 REGISTER_MATCHER(isWeak); 456 REGISTER_MATCHER(isWritten); 457 REGISTER_MATCHER(lValueReferenceType); 458 REGISTER_MATCHER(labelDecl); 459 REGISTER_MATCHER(labelStmt); 460 REGISTER_MATCHER(lambdaExpr); 461 REGISTER_MATCHER(linkageSpecDecl); 462 REGISTER_MATCHER(materializeTemporaryExpr); 463 REGISTER_MATCHER(member); 464 REGISTER_MATCHER(memberExpr); 465 REGISTER_MATCHER(memberHasSameNameAsBoundNode); 466 REGISTER_MATCHER(memberPointerType); 467 REGISTER_MATCHER(namedDecl); 468 REGISTER_MATCHER(namesType); 469 REGISTER_MATCHER(namespaceAliasDecl); 470 REGISTER_MATCHER(namespaceDecl); 471 REGISTER_MATCHER(nestedNameSpecifier); 472 REGISTER_MATCHER(nestedNameSpecifierLoc); 473 REGISTER_MATCHER(nonTypeTemplateParmDecl); 474 REGISTER_MATCHER(nullPointerConstant); 475 REGISTER_MATCHER(nullStmt); 476 REGISTER_MATCHER(numSelectorArgs); 477 REGISTER_MATCHER(objcCatchStmt); 478 REGISTER_MATCHER(objcCategoryDecl); 479 REGISTER_MATCHER(objcCategoryImplDecl); 480 REGISTER_MATCHER(objcFinallyStmt); 481 REGISTER_MATCHER(objcImplementationDecl); 482 REGISTER_MATCHER(objcInterfaceDecl); 483 REGISTER_MATCHER(objcIvarDecl); 484 REGISTER_MATCHER(objcIvarRefExpr); 485 REGISTER_MATCHER(objcMessageExpr); 486 REGISTER_MATCHER(objcMethodDecl); 487 REGISTER_MATCHER(objcObjectPointerType); 488 REGISTER_MATCHER(objcPropertyDecl); 489 REGISTER_MATCHER(objcProtocolDecl); 490 REGISTER_MATCHER(objcThrowStmt); 491 REGISTER_MATCHER(objcTryStmt); 492 REGISTER_MATCHER(ofClass); 493 REGISTER_MATCHER(ofKind); 494 REGISTER_MATCHER(ompDefaultClause); 495 REGISTER_MATCHER(ompExecutableDirective); 496 REGISTER_MATCHER(on); 497 REGISTER_MATCHER(onImplicitObjectArgument); 498 REGISTER_MATCHER(opaqueValueExpr); 499 REGISTER_MATCHER(optionally); 500 REGISTER_MATCHER(parameterCountIs); 501 REGISTER_MATCHER(parenExpr); 502 REGISTER_MATCHER(parenListExpr); 503 REGISTER_MATCHER(parenType); 504 REGISTER_MATCHER(parmVarDecl); 505 REGISTER_MATCHER(pointee); 506 REGISTER_MATCHER(pointerType); 507 REGISTER_MATCHER(predefinedExpr); 508 REGISTER_MATCHER(qualType); 509 REGISTER_MATCHER(rValueReferenceType); 510 REGISTER_MATCHER(realFloatingPointType); 511 REGISTER_MATCHER(recordDecl); 512 REGISTER_MATCHER(recordType); 513 REGISTER_MATCHER(referenceType); 514 REGISTER_MATCHER(refersToDeclaration); 515 REGISTER_MATCHER(refersToIntegralType); 516 REGISTER_MATCHER(refersToTemplate); 517 REGISTER_MATCHER(refersToType); 518 REGISTER_MATCHER(requiresZeroInitialization); 519 REGISTER_MATCHER(returnStmt); 520 REGISTER_MATCHER(returns); 521 REGISTER_MATCHER(sizeOfExpr); 522 REGISTER_MATCHER(specifiesNamespace); 523 REGISTER_MATCHER(specifiesType); 524 REGISTER_MATCHER(specifiesTypeLoc); 525 REGISTER_MATCHER(statementCountIs); 526 REGISTER_MATCHER(staticAssertDecl); 527 REGISTER_MATCHER(stmt); 528 REGISTER_MATCHER(stmtExpr); 529 REGISTER_MATCHER(stringLiteral); 530 REGISTER_MATCHER(substNonTypeTemplateParmExpr); 531 REGISTER_MATCHER(substTemplateTypeParmType); 532 REGISTER_MATCHER(switchCase); 533 REGISTER_MATCHER(switchStmt); 534 REGISTER_MATCHER(tagDecl); 535 REGISTER_MATCHER(tagType); 536 REGISTER_MATCHER(templateArgument); 537 REGISTER_MATCHER(templateArgumentCountIs); 538 REGISTER_MATCHER(templateArgumentLoc); 539 REGISTER_MATCHER(templateName); 540 REGISTER_MATCHER(templateSpecializationType); 541 REGISTER_MATCHER(templateTemplateParmDecl); 542 REGISTER_MATCHER(templateTypeParmDecl); 543 REGISTER_MATCHER(templateTypeParmType); 544 REGISTER_MATCHER(throughUsingDecl); 545 REGISTER_MATCHER(to); 546 REGISTER_MATCHER(translationUnitDecl); 547 REGISTER_MATCHER(type); 548 REGISTER_MATCHER(typeAliasDecl); 549 REGISTER_MATCHER(typeAliasTemplateDecl); 550 REGISTER_MATCHER(typeLoc); 551 REGISTER_MATCHER(typedefDecl); 552 REGISTER_MATCHER(typedefNameDecl); 553 REGISTER_MATCHER(typedefType); 554 REGISTER_MATCHER(unaryExprOrTypeTraitExpr); 555 REGISTER_MATCHER(unaryOperator); 556 REGISTER_MATCHER(unaryTransformType); 557 REGISTER_MATCHER(unless); 558 REGISTER_MATCHER(unresolvedLookupExpr); 559 REGISTER_MATCHER(unresolvedMemberExpr); 560 REGISTER_MATCHER(unresolvedUsingTypenameDecl); 561 REGISTER_MATCHER(unresolvedUsingValueDecl); 562 REGISTER_MATCHER(userDefinedLiteral); 563 REGISTER_MATCHER(usesADL); 564 REGISTER_MATCHER(usingDecl); 565 REGISTER_MATCHER(usingEnumDecl); 566 REGISTER_MATCHER(usingDirectiveDecl); 567 REGISTER_MATCHER(valueDecl); 568 REGISTER_MATCHER(varDecl); 569 REGISTER_MATCHER(variableArrayType); 570 REGISTER_MATCHER(voidType); 571 REGISTER_MATCHER(whileStmt); 572 REGISTER_MATCHER(withInitializer); 573 } 574 575 RegistryMaps::~RegistryMaps() = default; 576 577 static llvm::ManagedStatic<RegistryMaps> RegistryData; 578 579 ASTNodeKind Registry::nodeMatcherType(MatcherCtor Ctor) { 580 return Ctor->nodeMatcherType(); 581 } 582 583 internal::MatcherDescriptorPtr::MatcherDescriptorPtr(MatcherDescriptor *Ptr) 584 : Ptr(Ptr) {} 585 586 internal::MatcherDescriptorPtr::~MatcherDescriptorPtr() { delete Ptr; } 587 588 bool Registry::isBuilderMatcher(MatcherCtor Ctor) { 589 return Ctor->isBuilderMatcher(); 590 } 591 592 internal::MatcherDescriptorPtr 593 Registry::buildMatcherCtor(MatcherCtor Ctor, SourceRange NameRange, 594 ArrayRef<ParserValue> Args, Diagnostics *Error) { 595 return internal::MatcherDescriptorPtr( 596 Ctor->buildMatcherCtor(NameRange, Args, Error).release()); 597 } 598 599 // static 600 llvm::Optional<MatcherCtor> Registry::lookupMatcherCtor(StringRef MatcherName) { 601 auto it = RegistryData->constructors().find(MatcherName); 602 return it == RegistryData->constructors().end() 603 ? llvm::Optional<MatcherCtor>() 604 : it->second.get(); 605 } 606 607 static llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, 608 const std::set<ASTNodeKind> &KS) { 609 unsigned Count = 0; 610 for (std::set<ASTNodeKind>::const_iterator I = KS.begin(), E = KS.end(); 611 I != E; ++I) { 612 if (I != KS.begin()) 613 OS << "|"; 614 if (Count++ == 3) { 615 OS << "..."; 616 break; 617 } 618 OS << *I; 619 } 620 return OS; 621 } 622 623 std::vector<ArgKind> Registry::getAcceptedCompletionTypes( 624 ArrayRef<std::pair<MatcherCtor, unsigned>> Context) { 625 ASTNodeKind InitialTypes[] = { 626 ASTNodeKind::getFromNodeKind<Decl>(), 627 ASTNodeKind::getFromNodeKind<QualType>(), 628 ASTNodeKind::getFromNodeKind<Type>(), 629 ASTNodeKind::getFromNodeKind<Stmt>(), 630 ASTNodeKind::getFromNodeKind<NestedNameSpecifier>(), 631 ASTNodeKind::getFromNodeKind<NestedNameSpecifierLoc>(), 632 ASTNodeKind::getFromNodeKind<TypeLoc>()}; 633 634 // Starting with the above seed of acceptable top-level matcher types, compute 635 // the acceptable type set for the argument indicated by each context element. 636 std::set<ArgKind> TypeSet; 637 for (auto IT : InitialTypes) { 638 TypeSet.insert(ArgKind::MakeMatcherArg(IT)); 639 } 640 for (const auto &CtxEntry : Context) { 641 MatcherCtor Ctor = CtxEntry.first; 642 unsigned ArgNumber = CtxEntry.second; 643 std::vector<ArgKind> NextTypeSet; 644 for (const ArgKind &Kind : TypeSet) { 645 if (Kind.getArgKind() == Kind.AK_Matcher && 646 Ctor->isConvertibleTo(Kind.getMatcherKind()) && 647 (Ctor->isVariadic() || ArgNumber < Ctor->getNumArgs())) 648 Ctor->getArgKinds(Kind.getMatcherKind(), ArgNumber, NextTypeSet); 649 } 650 TypeSet.clear(); 651 TypeSet.insert(NextTypeSet.begin(), NextTypeSet.end()); 652 } 653 return std::vector<ArgKind>(TypeSet.begin(), TypeSet.end()); 654 } 655 656 std::vector<MatcherCompletion> 657 Registry::getMatcherCompletions(ArrayRef<ArgKind> AcceptedTypes) { 658 std::vector<MatcherCompletion> Completions; 659 660 // Search the registry for acceptable matchers. 661 for (const auto &M : RegistryData->constructors()) { 662 const MatcherDescriptor& Matcher = *M.getValue(); 663 StringRef Name = M.getKey(); 664 665 std::set<ASTNodeKind> RetKinds; 666 unsigned NumArgs = Matcher.isVariadic() ? 1 : Matcher.getNumArgs(); 667 bool IsPolymorphic = Matcher.isPolymorphic(); 668 std::vector<std::vector<ArgKind>> ArgsKinds(NumArgs); 669 unsigned MaxSpecificity = 0; 670 bool NodeArgs = false; 671 for (const ArgKind& Kind : AcceptedTypes) { 672 if (Kind.getArgKind() != Kind.AK_Matcher && 673 Kind.getArgKind() != Kind.AK_Node) { 674 continue; 675 } 676 677 if (Kind.getArgKind() == Kind.AK_Node) { 678 NodeArgs = true; 679 unsigned Specificity; 680 ASTNodeKind LeastDerivedKind; 681 if (Matcher.isConvertibleTo(Kind.getNodeKind(), &Specificity, 682 &LeastDerivedKind)) { 683 if (MaxSpecificity < Specificity) 684 MaxSpecificity = Specificity; 685 RetKinds.insert(LeastDerivedKind); 686 for (unsigned Arg = 0; Arg != NumArgs; ++Arg) 687 Matcher.getArgKinds(Kind.getNodeKind(), Arg, ArgsKinds[Arg]); 688 if (IsPolymorphic) 689 break; 690 } 691 } else { 692 unsigned Specificity; 693 ASTNodeKind LeastDerivedKind; 694 if (Matcher.isConvertibleTo(Kind.getMatcherKind(), &Specificity, 695 &LeastDerivedKind)) { 696 if (MaxSpecificity < Specificity) 697 MaxSpecificity = Specificity; 698 RetKinds.insert(LeastDerivedKind); 699 for (unsigned Arg = 0; Arg != NumArgs; ++Arg) 700 Matcher.getArgKinds(Kind.getMatcherKind(), Arg, ArgsKinds[Arg]); 701 if (IsPolymorphic) 702 break; 703 } 704 } 705 } 706 707 if (!RetKinds.empty() && MaxSpecificity > 0) { 708 std::string Decl; 709 llvm::raw_string_ostream OS(Decl); 710 711 std::string TypedText = std::string(Name); 712 713 if (NodeArgs) { 714 OS << Name; 715 } else { 716 717 if (IsPolymorphic) { 718 OS << "Matcher<T> " << Name << "(Matcher<T>"; 719 } else { 720 OS << "Matcher<" << RetKinds << "> " << Name << "("; 721 for (const std::vector<ArgKind> &Arg : ArgsKinds) { 722 if (&Arg != &ArgsKinds[0]) 723 OS << ", "; 724 725 bool FirstArgKind = true; 726 std::set<ASTNodeKind> MatcherKinds; 727 // Two steps. First all non-matchers, then matchers only. 728 for (const ArgKind &AK : Arg) { 729 if (AK.getArgKind() == ArgKind::AK_Matcher) { 730 MatcherKinds.insert(AK.getMatcherKind()); 731 } else { 732 if (!FirstArgKind) 733 OS << "|"; 734 FirstArgKind = false; 735 OS << AK.asString(); 736 } 737 } 738 if (!MatcherKinds.empty()) { 739 if (!FirstArgKind) OS << "|"; 740 OS << "Matcher<" << MatcherKinds << ">"; 741 } 742 } 743 } 744 if (Matcher.isVariadic()) 745 OS << "..."; 746 OS << ")"; 747 748 TypedText += "("; 749 if (ArgsKinds.empty()) 750 TypedText += ")"; 751 else if (ArgsKinds[0][0].getArgKind() == ArgKind::AK_String) 752 TypedText += "\""; 753 } 754 755 Completions.emplace_back(TypedText, OS.str(), MaxSpecificity); 756 } 757 } 758 759 return Completions; 760 } 761 762 VariantMatcher Registry::constructMatcher(MatcherCtor Ctor, 763 SourceRange NameRange, 764 ArrayRef<ParserValue> Args, 765 Diagnostics *Error) { 766 return Ctor->create(NameRange, Args, Error); 767 } 768 769 VariantMatcher Registry::constructBoundMatcher(MatcherCtor Ctor, 770 SourceRange NameRange, 771 StringRef BindID, 772 ArrayRef<ParserValue> Args, 773 Diagnostics *Error) { 774 VariantMatcher Out = constructMatcher(Ctor, NameRange, Args, Error); 775 if (Out.isNull()) return Out; 776 777 llvm::Optional<DynTypedMatcher> Result = Out.getSingleMatcher(); 778 if (Result.hasValue()) { 779 llvm::Optional<DynTypedMatcher> Bound = Result->tryBind(BindID); 780 if (Bound.hasValue()) { 781 return VariantMatcher::SingleMatcher(*Bound); 782 } 783 } 784 Error->addError(NameRange, Error->ET_RegistryNotBindable); 785 return VariantMatcher(); 786 } 787 788 } // namespace dynamic 789 } // namespace ast_matchers 790 } // namespace clang 791