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| 34 | #ifndef LLVM_CLANG_ASTMATCHERS_ASTMATCHERSINTERNAL_H |
| 35 | #define LLVM_CLANG_ASTMATCHERS_ASTMATCHERSINTERNAL_H |
| 36 | |
| 37 | #include "clang/AST/ASTTypeTraits.h" |
| 38 | #include "clang/AST/Decl.h" |
| 39 | #include "clang/AST/DeclCXX.h" |
| 40 | #include "clang/AST/DeclFriend.h" |
| 41 | #include "clang/AST/DeclTemplate.h" |
| 42 | #include "clang/AST/Expr.h" |
| 43 | #include "clang/AST/ExprObjC.h" |
| 44 | #include "clang/AST/ExprCXX.h" |
| 45 | #include "clang/AST/ExprObjC.h" |
| 46 | #include "clang/AST/NestedNameSpecifier.h" |
| 47 | #include "clang/AST/Stmt.h" |
| 48 | #include "clang/AST/TemplateName.h" |
| 49 | #include "clang/AST/Type.h" |
| 50 | #include "clang/AST/TypeLoc.h" |
| 51 | #include "clang/Basic/LLVM.h" |
| 52 | #include "clang/Basic/OperatorKinds.h" |
| 53 | #include "llvm/ADT/APFloat.h" |
| 54 | #include "llvm/ADT/ArrayRef.h" |
| 55 | #include "llvm/ADT/IntrusiveRefCntPtr.h" |
| 56 | #include "llvm/ADT/None.h" |
| 57 | #include "llvm/ADT/Optional.h" |
| 58 | #include "llvm/ADT/STLExtras.h" |
| 59 | #include "llvm/ADT/SmallVector.h" |
| 60 | #include "llvm/ADT/StringRef.h" |
| 61 | #include "llvm/ADT/iterator.h" |
| 62 | #include "llvm/Support/Casting.h" |
| 63 | #include "llvm/Support/ManagedStatic.h" |
| 64 | #include <algorithm> |
| 65 | #include <cassert> |
| 66 | #include <cstddef> |
| 67 | #include <cstdint> |
| 68 | #include <map> |
| 69 | #include <string> |
| 70 | #include <tuple> |
| 71 | #include <type_traits> |
| 72 | #include <utility> |
| 73 | #include <vector> |
| 74 | |
| 75 | namespace clang { |
| 76 | |
| 77 | class ASTContext; |
| 78 | |
| 79 | namespace ast_matchers { |
| 80 | |
| 81 | class BoundNodes; |
| 82 | |
| 83 | namespace internal { |
| 84 | |
| 85 | |
| 86 | |
| 87 | |
| 88 | |
| 89 | |
| 90 | template <typename ResultT, typename ArgT, |
| 91 | ResultT (*Func)(ArrayRef<const ArgT *>)> |
| 92 | struct VariadicFunction { |
| 93 | ResultT operator()() const { return Func(None); } |
| 94 | |
| 95 | template <typename... ArgsT> |
| 96 | ResultT operator()(const ArgT &Arg1, const ArgsT &... Args) const { |
| 97 | return Execute(Arg1, static_cast<const ArgT &>(Args)...); |
| 98 | } |
| 99 | |
| 100 | |
| 101 | |
| 102 | ResultT operator()(ArrayRef<ArgT> Args) const { |
| 103 | SmallVector<const ArgT*, 8> InnerArgs; |
| 104 | for (const ArgT &Arg : Args) |
| 105 | InnerArgs.push_back(&Arg); |
| 106 | return Func(InnerArgs); |
| 107 | } |
| 108 | |
| 109 | private: |
| 110 | |
| 111 | |
| 112 | template <typename... ArgsT> ResultT Execute(const ArgsT &... Args) const { |
| 113 | const ArgT *const ArgsArray[] = {&Args...}; |
| 114 | return Func(ArrayRef<const ArgT *>(ArgsArray, sizeof...(ArgsT))); |
| 115 | } |
| 116 | }; |
| 117 | |
| 118 | |
| 119 | |
| 120 | inline QualType getUnderlyingType(const Expr &Node) { return Node.getType(); } |
| 121 | |
| 122 | inline QualType getUnderlyingType(const ValueDecl &Node) { |
| 123 | return Node.getType(); |
| 124 | } |
| 125 | inline QualType getUnderlyingType(const TypedefNameDecl &Node) { |
| 126 | return Node.getUnderlyingType(); |
| 127 | } |
| 128 | inline QualType getUnderlyingType(const FriendDecl &Node) { |
| 129 | if (const TypeSourceInfo *TSI = Node.getFriendType()) |
| 130 | return TSI->getType(); |
| 131 | return QualType(); |
| 132 | } |
| 133 | |
| 134 | |
| 135 | |
| 136 | inline const FunctionProtoType * |
| 137 | getFunctionProtoType(const FunctionProtoType &Node) { |
| 138 | return &Node; |
| 139 | } |
| 140 | |
| 141 | inline const FunctionProtoType *getFunctionProtoType(const FunctionDecl &Node) { |
| 142 | return Node.getType()->getAs<FunctionProtoType>(); |
| 143 | } |
| 144 | |
| 145 | |
| 146 | class BoundNodesMap { |
| 147 | public: |
| 148 | |
| 149 | |
| 150 | |
| 151 | void addNode(StringRef ID, const ast_type_traits::DynTypedNode& DynNode) { |
| 152 | NodeMap[ID] = DynNode; |
| 153 | } |
| 154 | |
| 155 | |
| 156 | |
| 157 | |
| 158 | |
| 159 | template <typename T> |
| 160 | const T *getNodeAs(StringRef ID) const { |
| 161 | IDToNodeMap::const_iterator It = NodeMap.find(ID); |
| 162 | if (It == NodeMap.end()) { |
| 163 | return nullptr; |
| 164 | } |
| 165 | return It->second.get<T>(); |
| 166 | } |
| 167 | |
| 168 | ast_type_traits::DynTypedNode getNode(StringRef ID) const { |
| 169 | IDToNodeMap::const_iterator It = NodeMap.find(ID); |
| 170 | if (It == NodeMap.end()) { |
| 171 | return ast_type_traits::DynTypedNode(); |
| 172 | } |
| 173 | return It->second; |
| 174 | } |
| 175 | |
| 176 | |
| 177 | bool operator<(const BoundNodesMap &Other) const { |
| 178 | return NodeMap < Other.NodeMap; |
| 179 | } |
| 180 | |
| 181 | |
| 182 | |
| 183 | |
| 184 | |
| 185 | |
| 186 | using IDToNodeMap = std::map<std::string, ast_type_traits::DynTypedNode>; |
| 187 | |
| 188 | const IDToNodeMap &getMap() const { |
| 189 | return NodeMap; |
| 190 | } |
| 191 | |
| 192 | |
| 193 | |
| 194 | bool isComparable() const { |
| 195 | for (const auto &IDAndNode : NodeMap) { |
| 196 | if (!IDAndNode.second.getMemoizationData()) |
| 197 | return false; |
| 198 | } |
| 199 | return true; |
| 200 | } |
| 201 | |
| 202 | private: |
| 203 | IDToNodeMap NodeMap; |
| 204 | }; |
| 205 | |
| 206 | |
| 207 | |
| 208 | |
| 209 | |
| 210 | class BoundNodesTreeBuilder { |
| 211 | public: |
| 212 | |
| 213 | |
| 214 | class Visitor { |
| 215 | public: |
| 216 | virtual ~Visitor() = default; |
| 217 | |
| 218 | |
| 219 | |
| 220 | |
| 221 | virtual void visitMatch(const BoundNodes& BoundNodesView) = 0; |
| 222 | }; |
| 223 | |
| 224 | |
| 225 | void setBinding(StringRef Id, const ast_type_traits::DynTypedNode &DynNode) { |
| 226 | if (Bindings.empty()) |
| 227 | Bindings.emplace_back(); |
| 228 | for (BoundNodesMap &Binding : Bindings) |
| 229 | Binding.addNode(Id, DynNode); |
| 230 | } |
| 231 | |
| 232 | |
| 233 | void addMatch(const BoundNodesTreeBuilder &Bindings); |
| 234 | |
| 235 | |
| 236 | |
| 237 | |
| 238 | void visitMatches(Visitor* ResultVisitor); |
| 239 | |
| 240 | template <typename ExcludePredicate> |
| 241 | bool removeBindings(const ExcludePredicate &Predicate) { |
| 242 | Bindings.erase(std::remove_if(Bindings.begin(), Bindings.end(), Predicate), |
| 243 | Bindings.end()); |
| 244 | return !Bindings.empty(); |
| 245 | } |
| 246 | |
| 247 | |
| 248 | bool operator<(const BoundNodesTreeBuilder &Other) const { |
| 249 | return Bindings < Other.Bindings; |
| 250 | } |
| 251 | |
| 252 | |
| 253 | |
| 254 | bool isComparable() const { |
| 255 | for (const BoundNodesMap &NodesMap : Bindings) { |
| 256 | if (!NodesMap.isComparable()) |
| 257 | return false; |
| 258 | } |
| 259 | return true; |
| 260 | } |
| 261 | |
| 262 | private: |
| 263 | SmallVector<BoundNodesMap, 1> Bindings; |
| 264 | }; |
| 265 | |
| 266 | class ASTMatchFinder; |
| 267 | |
| 268 | |
| 269 | |
| 270 | |
| 271 | |
| 272 | |
| 273 | class DynMatcherInterface |
| 274 | : public llvm::ThreadSafeRefCountedBase<DynMatcherInterface> { |
| 275 | public: |
| 276 | virtual ~DynMatcherInterface() = default; |
| 277 | |
| 278 | |
| 279 | |
| 280 | |
| 281 | |
| 282 | virtual bool dynMatches(const ast_type_traits::DynTypedNode &DynNode, |
| 283 | ASTMatchFinder *Finder, |
| 284 | BoundNodesTreeBuilder *Builder) const = 0; |
| 285 | }; |
| 286 | |
| 287 | |
| 288 | |
| 289 | |
| 290 | |
| 291 | |
| 292 | |
| 293 | |
| 294 | template <typename T> |
| 295 | class MatcherInterface : public DynMatcherInterface { |
| 296 | public: |
| 297 | |
| 298 | |
| 299 | |
| 300 | |
| 301 | virtual bool matches(const T &Node, |
| 302 | ASTMatchFinder *Finder, |
| 303 | BoundNodesTreeBuilder *Builder) const = 0; |
| 304 | |
| 305 | bool dynMatches(const ast_type_traits::DynTypedNode &DynNode, |
| 306 | ASTMatchFinder *Finder, |
| 307 | BoundNodesTreeBuilder *Builder) const override { |
| 308 | return matches(DynNode.getUnchecked<T>(), Finder, Builder); |
| 309 | } |
| 310 | }; |
| 311 | |
| 312 | |
| 313 | |
| 314 | template <typename T> |
| 315 | class SingleNodeMatcherInterface : public MatcherInterface<T> { |
| 316 | public: |
| 317 | |
| 318 | |
| 319 | |
| 320 | virtual bool matchesNode(const T &Node) const = 0; |
| 321 | |
| 322 | private: |
| 323 | |
| 324 | bool matches(const T &Node, |
| 325 | ASTMatchFinder * , |
| 326 | BoundNodesTreeBuilder * ) const override { |
| 327 | return matchesNode(Node); |
| 328 | } |
| 329 | }; |
| 330 | |
| 331 | template <typename> class Matcher; |
| 332 | |
| 333 | |
| 334 | |
| 335 | |
| 336 | |
| 337 | |
| 338 | |
| 339 | |
| 340 | class DynTypedMatcher { |
| 341 | public: |
| 342 | |
| 343 | template <typename T> |
| 344 | DynTypedMatcher(MatcherInterface<T> *Implementation) |
| 345 | : SupportedKind(ast_type_traits::ASTNodeKind::getFromNodeKind<T>()), |
| 346 | RestrictKind(SupportedKind), Implementation(Implementation) {} |
| 347 | |
| 348 | |
| 349 | enum VariadicOperator { |
| 350 | |
| 351 | VO_AllOf, |
| 352 | |
| 353 | |
| 354 | |
| 355 | VO_AnyOf, |
| 356 | |
| 357 | |
| 358 | |
| 359 | VO_EachOf, |
| 360 | |
| 361 | |
| 362 | |
| 363 | |
| 364 | |
| 365 | VO_UnaryNot |
| 366 | }; |
| 367 | |
| 368 | static DynTypedMatcher |
| 369 | constructVariadic(VariadicOperator Op, |
| 370 | ast_type_traits::ASTNodeKind SupportedKind, |
| 371 | std::vector<DynTypedMatcher> InnerMatchers); |
| 372 | |
| 373 | |
| 374 | |
| 375 | |
| 376 | static DynTypedMatcher trueMatcher(ast_type_traits::ASTNodeKind NodeKind); |
| 377 | |
| 378 | void setAllowBind(bool AB) { AllowBind = AB; } |
| 379 | |
| 380 | |
| 381 | |
| 382 | |
| 383 | bool canMatchNodesOfKind(ast_type_traits::ASTNodeKind Kind) const; |
| 384 | |
| 385 | |
| 386 | |
| 387 | DynTypedMatcher dynCastTo(const ast_type_traits::ASTNodeKind Kind) const; |
| 388 | |
| 389 | |
| 390 | bool matches(const ast_type_traits::DynTypedNode &DynNode, |
| 391 | ASTMatchFinder *Finder, BoundNodesTreeBuilder *Builder) const; |
| 392 | |
| 393 | |
| 394 | |
| 395 | |
| 396 | |
| 397 | bool matchesNoKindCheck(const ast_type_traits::DynTypedNode &DynNode, |
| 398 | ASTMatchFinder *Finder, |
| 399 | BoundNodesTreeBuilder *Builder) const; |
| 400 | |
| 401 | |
| 402 | |
| 403 | |
| 404 | llvm::Optional<DynTypedMatcher> tryBind(StringRef ID) const; |
| 405 | |
| 406 | |
| 407 | |
| 408 | |
| 409 | |
| 410 | |
| 411 | |
| 412 | |
| 413 | using MatcherIDType = std::pair<ast_type_traits::ASTNodeKind, uint64_t>; |
| 414 | MatcherIDType getID() const { |
| 415 | |
| 416 | |
| 417 | return std::make_pair(RestrictKind, |
| 418 | reinterpret_cast<uint64_t>(Implementation.get())); |
| 419 | } |
| 420 | |
| 421 | |
| 422 | |
| 423 | |
| 424 | |
| 425 | ast_type_traits::ASTNodeKind getSupportedKind() const { |
| 426 | return SupportedKind; |
| 427 | } |
| 428 | |
| 429 | |
| 430 | |
| 431 | |
| 432 | |
| 433 | |
| 434 | template <typename T> bool canConvertTo() const { |
| 435 | return canConvertTo(ast_type_traits::ASTNodeKind::getFromNodeKind<T>()); |
| 436 | } |
| 437 | bool canConvertTo(ast_type_traits::ASTNodeKind To) const; |
| 438 | |
| 439 | |
| 440 | |
| 441 | |
| 442 | |
| 443 | |
| 444 | template <typename T> Matcher<T> convertTo() const { |
| 445 | ()", "/home/seafit/code_projects/clang_source/clang/include/clang/ASTMatchers/ASTMatchersInternal.h", 445, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(canConvertTo<T>()); |
| 446 | return unconditionalConvertTo<T>(); |
| 447 | } |
| 448 | |
| 449 | |
| 450 | |
| 451 | |
| 452 | |
| 453 | template <typename T> Matcher<T> unconditionalConvertTo() const; |
| 454 | |
| 455 | private: |
| 456 | DynTypedMatcher(ast_type_traits::ASTNodeKind SupportedKind, |
| 457 | ast_type_traits::ASTNodeKind RestrictKind, |
| 458 | IntrusiveRefCntPtr<DynMatcherInterface> Implementation) |
| 459 | : SupportedKind(SupportedKind), RestrictKind(RestrictKind), |
| 460 | Implementation(std::move(Implementation)) {} |
| 461 | |
| 462 | bool AllowBind = false; |
| 463 | ast_type_traits::ASTNodeKind SupportedKind; |
| 464 | |
| 465 | |
| 466 | |
| 467 | |
| 468 | |
| 469 | ast_type_traits::ASTNodeKind RestrictKind; |
| 470 | IntrusiveRefCntPtr<DynMatcherInterface> Implementation; |
| 471 | }; |
| 472 | |
| 473 | |
| 474 | |
| 475 | |
| 476 | |
| 477 | template <typename T> |
| 478 | class WrapperMatcherInterface : public MatcherInterface<T> { |
| 479 | protected: |
| 480 | explicit WrapperMatcherInterface(DynTypedMatcher &&InnerMatcher) |
| 481 | : InnerMatcher(std::move(InnerMatcher)) {} |
| 482 | |
| 483 | const DynTypedMatcher InnerMatcher; |
| 484 | }; |
| 485 | |
| 486 | |
| 487 | |
| 488 | |
| 489 | |
| 490 | |
| 491 | |
| 492 | |
| 493 | |
| 494 | template <typename T> |
| 495 | class Matcher { |
| 496 | public: |
| 497 | |
| 498 | explicit Matcher(MatcherInterface<T> *Implementation) |
| 499 | : Implementation(Implementation) {} |
| 500 | |
| 501 | |
| 502 | |
| 503 | |
| 504 | template <typename From> |
| 505 | Matcher(const Matcher<From> &Other, |
| 506 | typename std::enable_if<std::is_base_of<From, T>::value && |
| 507 | !std::is_same<From, T>::value>::type * = nullptr) |
| 508 | : Implementation(restrictMatcher(Other.Implementation)) { |
| 509 | ())", "/home/seafit/code_projects/clang_source/clang/include/clang/ASTMatchers/ASTMatchersInternal.h", 510, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(Implementation.getSupportedKind().isSame( |
| 510 | ())", "/home/seafit/code_projects/clang_source/clang/include/clang/ASTMatchers/ASTMatchersInternal.h", 510, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> ast_type_traits::ASTNodeKind::getFromNodeKind<T>())); |
| 511 | } |
| 512 | |
| 513 | |
| 514 | |
| 515 | |
| 516 | template <typename TypeT> |
| 517 | Matcher(const Matcher<TypeT> &Other, |
| 518 | typename std::enable_if< |
| 519 | std::is_same<T, QualType>::value && |
| 520 | std::is_same<TypeT, Type>::value>::type* = nullptr) |
| 521 | : Implementation(new TypeToQualType<TypeT>(Other)) {} |
| 522 | |
| 523 | |
| 524 | |
| 525 | |
| 526 | template <typename To> |
| 527 | Matcher<To> dynCastTo() const { |
| 528 | static_assert(std::is_base_of<To, T>::value, "Invalid dynCast call."); |
| 529 | return Matcher<To>(Implementation); |
| 530 | } |
| 531 | |
| 532 | |
| 533 | bool matches(const T &Node, |
| 534 | ASTMatchFinder *Finder, |
| 535 | BoundNodesTreeBuilder *Builder) const { |
| 536 | return Implementation.matches(ast_type_traits::DynTypedNode::create(Node), |
| 537 | Finder, Builder); |
| 538 | } |
| 539 | |
| 540 | |
| 541 | DynTypedMatcher::MatcherIDType getID() const { |
| 542 | return Implementation.getID(); |
| 543 | } |
| 544 | |
| 545 | |
| 546 | |
| 547 | |
| 548 | |
| 549 | operator DynTypedMatcher() const { return Implementation; } |
| 550 | |
| 551 | |
| 552 | |
| 553 | |
| 554 | |
| 555 | |
| 556 | |
| 557 | template <typename TypeT> |
| 558 | class TypeToQualType : public WrapperMatcherInterface<QualType> { |
| 559 | public: |
| 560 | TypeToQualType(const Matcher<TypeT> &InnerMatcher) |
| 561 | : TypeToQualType::WrapperMatcherInterface(InnerMatcher) {} |
| 562 | |
| 563 | bool matches(const QualType &Node, ASTMatchFinder *Finder, |
| 564 | BoundNodesTreeBuilder *Builder) const override { |
| 565 | if (Node.isNull()) |
| 566 | return false; |
| 567 | return this->InnerMatcher.matches( |
| 568 | ast_type_traits::DynTypedNode::create(*Node), Finder, Builder); |
| 569 | } |
| 570 | }; |
| 571 | |
| 572 | private: |
| 573 | |
| 574 | template <typename U> friend class Matcher; |
| 575 | |
| 576 | |
| 577 | friend class DynTypedMatcher; |
| 578 | |
| 579 | static DynTypedMatcher restrictMatcher(const DynTypedMatcher &Other) { |
| 580 | return Other.dynCastTo(ast_type_traits::ASTNodeKind::getFromNodeKind<T>()); |
| 581 | } |
| 582 | |
| 583 | explicit Matcher(const DynTypedMatcher &Implementation) |
| 584 | : Implementation(restrictMatcher(Implementation)) { |
| 585 | Implementation.getSupportedKind() .isSame(ast_type_traits..ASTNodeKind..getFromNodeKind())", "/home/seafit/code_projects/clang_source/clang/include/clang/ASTMatchers/ASTMatchersInternal.h", 586, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(this->Implementation.getSupportedKind() |
| 586 | Implementation.getSupportedKind() .isSame(ast_type_traits..ASTNodeKind..getFromNodeKind())", "/home/seafit/code_projects/clang_source/clang/include/clang/ASTMatchers/ASTMatchersInternal.h", 586, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true"> .isSame(ast_type_traits::ASTNodeKind::getFromNodeKind<T>())); |
| 587 | } |
| 588 | |
| 589 | DynTypedMatcher Implementation; |
| 590 | }; |
| 591 | |
| 592 | |
| 593 | |
| 594 | template <typename T> |
| 595 | inline Matcher<T> makeMatcher(MatcherInterface<T> *Implementation) { |
| 596 | return Matcher<T>(Implementation); |
| 597 | } |
| 598 | |
| 599 | |
| 600 | |
| 601 | |
| 602 | |
| 603 | template <> |
| 604 | inline Matcher<QualType> DynTypedMatcher::convertTo<QualType>() const { |
| 605 | ()", "/home/seafit/code_projects/clang_source/clang/include/clang/ASTMatchers/ASTMatchersInternal.h", 605, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(canConvertTo<QualType>()); |
| 606 | const ast_type_traits::ASTNodeKind SourceKind = getSupportedKind(); |
| 607 | if (SourceKind.isSame( |
| 608 | ast_type_traits::ASTNodeKind::getFromNodeKind<Type>())) { |
| 609 | |
| 610 | return unconditionalConvertTo<Type>(); |
| 611 | } |
| 612 | return unconditionalConvertTo<QualType>(); |
| 613 | } |
| 614 | |
| 615 | |
| 616 | template <typename MatcherT, typename IteratorT> |
| 617 | bool matchesFirstInRange(const MatcherT &Matcher, IteratorT Start, |
| 618 | IteratorT End, ASTMatchFinder *Finder, |
| 619 | BoundNodesTreeBuilder *Builder) { |
| 620 | for (IteratorT I = Start; I != End; ++I) { |
| 621 | BoundNodesTreeBuilder Result(*Builder); |
| 622 | if (Matcher.matches(*I, Finder, &Result)) { |
| 623 | *Builder = std::move(Result); |
| 624 | return true; |
| 625 | } |
| 626 | } |
| 627 | return false; |
| 628 | } |
| 629 | |
| 630 | |
| 631 | |
| 632 | template <typename MatcherT, typename IteratorT> |
| 633 | bool matchesFirstInPointerRange(const MatcherT &Matcher, IteratorT Start, |
| 634 | IteratorT End, ASTMatchFinder *Finder, |
| 635 | BoundNodesTreeBuilder *Builder) { |
| 636 | for (IteratorT I = Start; I != End; ++I) { |
| 637 | BoundNodesTreeBuilder Result(*Builder); |
| 638 | if (Matcher.matches(**I, Finder, &Result)) { |
| 639 | *Builder = std::move(Result); |
| 640 | return true; |
| 641 | } |
| 642 | } |
| 643 | return false; |
| 644 | } |
| 645 | |
| 646 | |
| 647 | template <typename Ty> |
| 648 | class has_getDecl { |
| 649 | using yes = char[1]; |
| 650 | using no = char[2]; |
| 651 | |
| 652 | template <typename Inner> |
| 653 | static yes& test(Inner *I, decltype(I->getDecl()) * = nullptr); |
| 654 | |
| 655 | template <typename> |
| 656 | static no& test(...); |
| 657 | |
| 658 | public: |
| 659 | static const bool value = sizeof(test<Ty>(nullptr)) == sizeof(yes); |
| 660 | }; |
| 661 | |
| 662 | |
| 663 | |
| 664 | |
| 665 | |
| 666 | template <typename T, typename ArgT> |
| 667 | class HasOverloadedOperatorNameMatcher : public SingleNodeMatcherInterface<T> { |
| 668 | static_assert(std::is_same<T, CXXOperatorCallExpr>::value || |
| 669 | std::is_base_of<FunctionDecl, T>::value, |
| 670 | "unsupported class for matcher"); |
| 671 | static_assert(std::is_same<ArgT, StringRef>::value, |
| 672 | "argument type must be StringRef"); |
| 673 | |
| 674 | public: |
| 675 | explicit HasOverloadedOperatorNameMatcher(const StringRef Name) |
| 676 | : SingleNodeMatcherInterface<T>(), Name(Name) {} |
| 677 | |
| 678 | bool matchesNode(const T &Node) const override { |
| 679 | return matchesSpecialized(Node); |
| 680 | } |
| 681 | |
| 682 | private: |
| 683 | |
| 684 | |
| 685 | |
| 686 | |
| 687 | bool matchesSpecialized(const CXXOperatorCallExpr &Node) const { |
| 688 | return getOperatorSpelling(Node.getOperator()) == Name; |
| 689 | } |
| 690 | |
| 691 | |
| 692 | |
| 693 | bool matchesSpecialized(const FunctionDecl &Node) const { |
| 694 | return Node.isOverloadedOperator() && |
| 695 | getOperatorSpelling(Node.getOverloadedOperator()) == Name; |
| 696 | } |
| 697 | |
| 698 | std::string Name; |
| 699 | }; |
| 700 | |
| 701 | |
| 702 | |
| 703 | |
| 704 | class HasNameMatcher : public SingleNodeMatcherInterface<NamedDecl> { |
| 705 | public: |
| 706 | explicit HasNameMatcher(std::vector<std::string> Names); |
| 707 | |
| 708 | bool matchesNode(const NamedDecl &Node) const override; |
| 709 | |
| 710 | private: |
| 711 | |
| 712 | |
| 713 | |
| 714 | |
| 715 | bool matchesNodeUnqualified(const NamedDecl &Node) const; |
| 716 | |
| 717 | |
| 718 | |
| 719 | |
| 720 | |
| 721 | |
| 722 | |
| 723 | bool matchesNodeFullFast(const NamedDecl &Node) const; |
| 724 | |
| 725 | |
| 726 | |
| 727 | |
| 728 | |
| 729 | |
| 730 | bool matchesNodeFullSlow(const NamedDecl &Node) const; |
| 731 | |
| 732 | const bool UseUnqualifiedMatch; |
| 733 | const std::vector<std::string> Names; |
| 734 | }; |
| 735 | |
| 736 | |
| 737 | |
| 738 | Matcher<NamedDecl> hasAnyNameFunc(ArrayRef<const StringRef *> NameRefs); |
| 739 | |
| 740 | |
| 741 | |
| 742 | Matcher<ObjCMessageExpr> hasAnySelectorFunc( |
| 743 | ArrayRef<const StringRef *> NameRefs); |
| 744 | |
| 745 | |
| 746 | |
| 747 | |
| 748 | |
| 749 | template <typename T, typename DeclMatcherT> |
| 750 | class HasDeclarationMatcher : public WrapperMatcherInterface<T> { |
| 751 | static_assert(std::is_same<DeclMatcherT, Matcher<Decl>>::value, |
| 752 | "instantiated with wrong types"); |
| 753 | |
| 754 | public: |
| 755 | explicit HasDeclarationMatcher(const Matcher<Decl> &InnerMatcher) |
| 756 | : HasDeclarationMatcher::WrapperMatcherInterface(InnerMatcher) {} |
| 757 | |
| 758 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 759 | BoundNodesTreeBuilder *Builder) const override { |
| 760 | return matchesSpecialized(Node, Finder, Builder); |
| 761 | } |
| 762 | |
| 763 | private: |
| 764 | |
| 765 | bool matchesSpecialized(const QualType &Node, ASTMatchFinder *Finder, |
| 766 | BoundNodesTreeBuilder *Builder) const { |
| 767 | if (Node.isNull()) |
| 768 | return false; |
| 769 | |
| 770 | return matchesSpecialized(*Node, Finder, Builder); |
| 771 | } |
| 772 | |
| 773 | |
| 774 | |
| 775 | bool matchesSpecialized(const Type &Node, ASTMatchFinder *Finder, |
| 776 | BoundNodesTreeBuilder *Builder) const { |
| 777 | |
| 778 | |
| 779 | const Type *EffectiveType = &Node; |
| 780 | if (const auto *S = dyn_cast<DeducedType>(&Node)) { |
| 781 | EffectiveType = S->getDeducedType().getTypePtrOrNull(); |
| 782 | if (!EffectiveType) |
| 783 | return false; |
| 784 | } |
| 785 | |
| 786 | |
| 787 | |
| 788 | if (const auto *S = dyn_cast<TagType>(EffectiveType)) { |
| 789 | return matchesDecl(S->getDecl(), Finder, Builder); |
| 790 | } |
| 791 | if (const auto *S = dyn_cast<InjectedClassNameType>(EffectiveType)) { |
| 792 | return matchesDecl(S->getDecl(), Finder, Builder); |
| 793 | } |
| 794 | if (const auto *S = dyn_cast<TemplateTypeParmType>(EffectiveType)) { |
| 795 | return matchesDecl(S->getDecl(), Finder, Builder); |
| 796 | } |
| 797 | if (const auto *S = dyn_cast<TypedefType>(EffectiveType)) { |
| 798 | return matchesDecl(S->getDecl(), Finder, Builder); |
| 799 | } |
| 800 | if (const auto *S = dyn_cast<UnresolvedUsingType>(EffectiveType)) { |
| 801 | return matchesDecl(S->getDecl(), Finder, Builder); |
| 802 | } |
| 803 | if (const auto *S = dyn_cast<ObjCObjectType>(EffectiveType)) { |
| 804 | return matchesDecl(S->getInterface(), Finder, Builder); |
| 805 | } |
| 806 | |
| 807 | |
| 808 | |
| 809 | |
| 810 | |
| 811 | |
| 812 | |
| 813 | |
| 814 | |
| 815 | if (const auto *S = dyn_cast<SubstTemplateTypeParmType>(EffectiveType)) { |
| 816 | return matchesSpecialized(S->getReplacementType(), Finder, Builder); |
| 817 | } |
| 818 | |
| 819 | |
| 820 | |
| 821 | |
| 822 | if (const auto *S = dyn_cast<TemplateSpecializationType>(EffectiveType)) { |
| 823 | if (!S->isTypeAlias() && S->isSugared()) { |
| 824 | |
| 825 | |
| 826 | |
| 827 | |
| 828 | |
| 829 | |
| 830 | return matchesSpecialized(*S->desugar(), Finder, Builder); |
| 831 | } |
| 832 | |
| 833 | |
| 834 | return matchesDecl(S->getTemplateName().getAsTemplateDecl(), Finder, |
| 835 | Builder); |
| 836 | } |
| 837 | |
| 838 | |
| 839 | |
| 840 | |
| 841 | if (const auto *S = dyn_cast<ElaboratedType>(EffectiveType)) { |
| 842 | return matchesSpecialized(S->desugar(), Finder, Builder); |
| 843 | } |
| 844 | return false; |
| 845 | } |
| 846 | |
| 847 | |
| 848 | |
| 849 | bool matchesSpecialized(const DeclRefExpr &Node, ASTMatchFinder *Finder, |
| 850 | BoundNodesTreeBuilder *Builder) const { |
| 851 | return matchesDecl(Node.getDecl(), Finder, Builder); |
| 852 | } |
| 853 | |
| 854 | |
| 855 | |
| 856 | bool matchesSpecialized(const CallExpr &Node, ASTMatchFinder *Finder, |
| 857 | BoundNodesTreeBuilder *Builder) const { |
| 858 | return matchesDecl(Node.getCalleeDecl(), Finder, Builder); |
| 859 | } |
| 860 | |
| 861 | |
| 862 | |
| 863 | bool matchesSpecialized(const CXXConstructExpr &Node, |
| 864 | ASTMatchFinder *Finder, |
| 865 | BoundNodesTreeBuilder *Builder) const { |
| 866 | return matchesDecl(Node.getConstructor(), Finder, Builder); |
| 867 | } |
| 868 | |
| 869 | bool matchesSpecialized(const ObjCIvarRefExpr &Node, |
| 870 | ASTMatchFinder *Finder, |
| 871 | BoundNodesTreeBuilder *Builder) const { |
| 872 | return matchesDecl(Node.getDecl(), Finder, Builder); |
| 873 | } |
| 874 | |
| 875 | |
| 876 | |
| 877 | bool matchesSpecialized(const CXXNewExpr &Node, |
| 878 | ASTMatchFinder *Finder, |
| 879 | BoundNodesTreeBuilder *Builder) const { |
| 880 | return matchesDecl(Node.getOperatorNew(), Finder, Builder); |
| 881 | } |
| 882 | |
| 883 | |
| 884 | |
| 885 | bool matchesSpecialized(const MemberExpr &Node, |
| 886 | ASTMatchFinder *Finder, |
| 887 | BoundNodesTreeBuilder *Builder) const { |
| 888 | return matchesDecl(Node.getMemberDecl(), Finder, Builder); |
| 889 | } |
| 890 | |
| 891 | |
| 892 | |
| 893 | bool matchesSpecialized(const AddrLabelExpr &Node, |
| 894 | ASTMatchFinder *Finder, |
| 895 | BoundNodesTreeBuilder *Builder) const { |
| 896 | return matchesDecl(Node.getLabel(), Finder, Builder); |
| 897 | } |
| 898 | |
| 899 | |
| 900 | |
| 901 | bool matchesSpecialized(const LabelStmt &Node, ASTMatchFinder *Finder, |
| 902 | BoundNodesTreeBuilder *Builder) const { |
| 903 | return matchesDecl(Node.getDecl(), Finder, Builder); |
| 904 | } |
| 905 | |
| 906 | |
| 907 | |
| 908 | bool matchesDecl(const Decl *Node, ASTMatchFinder *Finder, |
| 909 | BoundNodesTreeBuilder *Builder) const { |
| 910 | return Node != nullptr && |
| 911 | this->InnerMatcher.matches( |
| 912 | ast_type_traits::DynTypedNode::create(*Node), Finder, Builder); |
| 913 | } |
| 914 | }; |
| 915 | |
| 916 | |
| 917 | |
| 918 | template <typename T> |
| 919 | struct IsBaseType { |
| 920 | static const bool value = |
| 921 | std::is_same<T, Decl>::value || |
| 922 | std::is_same<T, Stmt>::value || |
| 923 | std::is_same<T, QualType>::value || |
| 924 | std::is_same<T, Type>::value || |
| 925 | std::is_same<T, TypeLoc>::value || |
| 926 | std::is_same<T, NestedNameSpecifier>::value || |
| 927 | std::is_same<T, NestedNameSpecifierLoc>::value || |
| 928 | std::is_same<T, CXXCtorInitializer>::value; |
| 929 | }; |
| 930 | template <typename T> |
| 931 | const bool IsBaseType<T>::value; |
| 932 | |
| 933 | |
| 934 | |
| 935 | |
| 936 | |
| 937 | |
| 938 | |
| 939 | |
| 940 | |
| 941 | |
| 942 | |
| 943 | |
| 944 | |
| 945 | |
| 946 | |
| 947 | |
| 948 | |
| 949 | |
| 950 | |
| 951 | class ASTMatchFinder { |
| 952 | public: |
| 953 | |
| 954 | |
| 955 | enum TraversalKind { |
| 956 | |
| 957 | TK_AsIs, |
| 958 | |
| 959 | |
| 960 | TK_IgnoreImplicitCastsAndParentheses |
| 961 | }; |
| 962 | |
| 963 | |
| 964 | enum BindKind { |
| 965 | |
| 966 | BK_First, |
| 967 | |
| 968 | |
| 969 | BK_All |
| 970 | }; |
| 971 | |
| 972 | |
| 973 | enum AncestorMatchMode { |
| 974 | |
| 975 | AMM_All, |
| 976 | |
| 977 | |
| 978 | AMM_ParentOnly |
| 979 | }; |
| 980 | |
| 981 | virtual ~ASTMatchFinder() = default; |
| 982 | |
| 983 | |
| 984 | |
| 985 | |
| 986 | |
| 987 | virtual bool classIsDerivedFrom(const CXXRecordDecl *Declaration, |
| 988 | const Matcher<NamedDecl> &Base, |
| 989 | BoundNodesTreeBuilder *Builder) = 0; |
| 990 | |
| 991 | template <typename T> |
| 992 | bool matchesChildOf(const T &Node, |
| 993 | const DynTypedMatcher &Matcher, |
| 994 | BoundNodesTreeBuilder *Builder, |
| 995 | TraversalKind Traverse, |
| 996 | BindKind Bind) { |
| 997 | static_assert(std::is_base_of<Decl, T>::value || |
| 998 | std::is_base_of<Stmt, T>::value || |
| 999 | std::is_base_of<NestedNameSpecifier, T>::value || |
| 1000 | std::is_base_of<NestedNameSpecifierLoc, T>::value || |
| 1001 | std::is_base_of<TypeLoc, T>::value || |
| 1002 | std::is_base_of<QualType, T>::value, |
| 1003 | "unsupported type for recursive matching"); |
| 1004 | return matchesChildOf(ast_type_traits::DynTypedNode::create(Node), |
| 1005 | Matcher, Builder, Traverse, Bind); |
| 1006 | } |
| 1007 | |
| 1008 | template <typename T> |
| 1009 | bool matchesDescendantOf(const T &Node, |
| 1010 | const DynTypedMatcher &Matcher, |
| 1011 | BoundNodesTreeBuilder *Builder, |
| 1012 | BindKind Bind) { |
| 1013 | static_assert(std::is_base_of<Decl, T>::value || |
| 1014 | std::is_base_of<Stmt, T>::value || |
| 1015 | std::is_base_of<NestedNameSpecifier, T>::value || |
| 1016 | std::is_base_of<NestedNameSpecifierLoc, T>::value || |
| 1017 | std::is_base_of<TypeLoc, T>::value || |
| 1018 | std::is_base_of<QualType, T>::value, |
| 1019 | "unsupported type for recursive matching"); |
| 1020 | return matchesDescendantOf(ast_type_traits::DynTypedNode::create(Node), |
| 1021 | Matcher, Builder, Bind); |
| 1022 | } |
| 1023 | |
| 1024 | |
| 1025 | template <typename T> |
| 1026 | bool matchesAncestorOf(const T &Node, |
| 1027 | const DynTypedMatcher &Matcher, |
| 1028 | BoundNodesTreeBuilder *Builder, |
| 1029 | AncestorMatchMode MatchMode) { |
| 1030 | static_assert(std::is_base_of<Decl, T>::value || |
| 1031 | std::is_base_of<NestedNameSpecifierLoc, T>::value || |
| 1032 | std::is_base_of<Stmt, T>::value || |
| 1033 | std::is_base_of<TypeLoc, T>::value, |
| 1034 | "type not allowed for recursive matching"); |
| 1035 | return matchesAncestorOf(ast_type_traits::DynTypedNode::create(Node), |
| 1036 | Matcher, Builder, MatchMode); |
| 1037 | } |
| 1038 | |
| 1039 | virtual ASTContext &getASTContext() const = 0; |
| 1040 | |
| 1041 | protected: |
| 1042 | virtual bool matchesChildOf(const ast_type_traits::DynTypedNode &Node, |
| 1043 | const DynTypedMatcher &Matcher, |
| 1044 | BoundNodesTreeBuilder *Builder, |
| 1045 | TraversalKind Traverse, |
| 1046 | BindKind Bind) = 0; |
| 1047 | |
| 1048 | virtual bool matchesDescendantOf(const ast_type_traits::DynTypedNode &Node, |
| 1049 | const DynTypedMatcher &Matcher, |
| 1050 | BoundNodesTreeBuilder *Builder, |
| 1051 | BindKind Bind) = 0; |
| 1052 | |
| 1053 | virtual bool matchesAncestorOf(const ast_type_traits::DynTypedNode &Node, |
| 1054 | const DynTypedMatcher &Matcher, |
| 1055 | BoundNodesTreeBuilder *Builder, |
| 1056 | AncestorMatchMode MatchMode) = 0; |
| 1057 | }; |
| 1058 | |
| 1059 | |
| 1060 | |
| 1061 | |
| 1062 | |
| 1063 | template <typename... Ts> struct TypeList {}; |
| 1064 | |
| 1065 | template <typename T1, typename... Ts> struct TypeList<T1, Ts...> { |
| 1066 | |
| 1067 | using head = T1; |
| 1068 | |
| 1069 | |
| 1070 | |
| 1071 | |
| 1072 | |
| 1073 | using tail = TypeList<Ts...>; |
| 1074 | }; |
| 1075 | |
| 1076 | |
| 1077 | using EmptyTypeList = TypeList<>; |
| 1078 | |
| 1079 | |
| 1080 | |
| 1081 | template <typename AnyTypeList, typename T> |
| 1082 | struct TypeListContainsSuperOf { |
| 1083 | static const bool value = |
| 1084 | std::is_base_of<typename AnyTypeList::head, T>::value || |
| 1085 | TypeListContainsSuperOf<typename AnyTypeList::tail, T>::value; |
| 1086 | }; |
| 1087 | template <typename T> |
| 1088 | struct TypeListContainsSuperOf<EmptyTypeList, T> { |
| 1089 | static const bool value = false; |
| 1090 | }; |
| 1091 | |
| 1092 | |
| 1093 | |
| 1094 | |
| 1095 | using AllNodeBaseTypes = |
| 1096 | TypeList<Decl, Stmt, NestedNameSpecifier, NestedNameSpecifierLoc, QualType, |
| 1097 | Type, TypeLoc, CXXCtorInitializer>; |
| 1098 | |
| 1099 | |
| 1100 | |
| 1101 | |
| 1102 | |
| 1103 | template <class T> struct ; |
| 1104 | template <class T> struct <void(T)> { |
| 1105 | using = T; |
| 1106 | }; |
| 1107 | |
| 1108 | |
| 1109 | using AdaptativeDefaultFromTypes = AllNodeBaseTypes; |
| 1110 | using AdaptativeDefaultToTypes = |
| 1111 | TypeList<Decl, Stmt, NestedNameSpecifier, NestedNameSpecifierLoc, TypeLoc, |
| 1112 | QualType>; |
| 1113 | |
| 1114 | |
| 1115 | using HasDeclarationSupportedTypes = |
| 1116 | TypeList<CallExpr, CXXConstructExpr, CXXNewExpr, DeclRefExpr, EnumType, |
| 1117 | ElaboratedType, InjectedClassNameType, LabelStmt, AddrLabelExpr, |
| 1118 | MemberExpr, QualType, RecordType, TagType, |
| 1119 | TemplateSpecializationType, TemplateTypeParmType, TypedefType, |
| 1120 | UnresolvedUsingType, ObjCIvarRefExpr>; |
| 1121 | |
| 1122 | |
| 1123 | |
| 1124 | |
| 1125 | |
| 1126 | |
| 1127 | |
| 1128 | |
| 1129 | |
| 1130 | |
| 1131 | |
| 1132 | |
| 1133 | |
| 1134 | |
| 1135 | template <template <typename ToArg, typename FromArg> class ArgumentAdapterT, |
| 1136 | typename FromTypes = AdaptativeDefaultFromTypes, |
| 1137 | typename ToTypes = AdaptativeDefaultToTypes> |
| 1138 | struct ArgumentAdaptingMatcherFunc { |
| 1139 | template <typename T> class Adaptor { |
| 1140 | public: |
| 1141 | explicit Adaptor(const Matcher<T> &InnerMatcher) |
| 1142 | : InnerMatcher(InnerMatcher) {} |
| 1143 | |
| 1144 | using ReturnTypes = ToTypes; |
| 1145 | |
| 1146 | template <typename To> operator Matcher<To>() const { |
| 1147 | return Matcher<To>(new ArgumentAdapterT<To, T>(InnerMatcher)); |
| 1148 | } |
| 1149 | |
| 1150 | private: |
| 1151 | const Matcher<T> InnerMatcher; |
| 1152 | }; |
| 1153 | |
| 1154 | template <typename T> |
| 1155 | static Adaptor<T> create(const Matcher<T> &InnerMatcher) { |
| 1156 | return Adaptor<T>(InnerMatcher); |
| 1157 | } |
| 1158 | |
| 1159 | template <typename T> |
| 1160 | Adaptor<T> operator()(const Matcher<T> &InnerMatcher) const { |
| 1161 | return create(InnerMatcher); |
| 1162 | } |
| 1163 | }; |
| 1164 | |
| 1165 | |
| 1166 | |
| 1167 | |
| 1168 | |
| 1169 | |
| 1170 | |
| 1171 | |
| 1172 | |
| 1173 | |
| 1174 | |
| 1175 | |
| 1176 | |
| 1177 | template <template <typename T> class MatcherT, |
| 1178 | typename ReturnTypesF = void(AllNodeBaseTypes)> |
| 1179 | class PolymorphicMatcherWithParam0 { |
| 1180 | public: |
| 1181 | using ReturnTypes = typename ExtractFunctionArgMeta<ReturnTypesF>::type; |
| 1182 | |
| 1183 | template <typename T> |
| 1184 | operator Matcher<T>() const { |
| 1185 | static_assert(TypeListContainsSuperOf<ReturnTypes, T>::value, |
| 1186 | "right polymorphic conversion"); |
| 1187 | return Matcher<T>(new MatcherT<T>()); |
| 1188 | } |
| 1189 | }; |
| 1190 | |
| 1191 | template <template <typename T, typename P1> class MatcherT, |
| 1192 | typename P1, |
| 1193 | typename ReturnTypesF = void(AllNodeBaseTypes)> |
| 1194 | class PolymorphicMatcherWithParam1 { |
| 1195 | public: |
| 1196 | explicit PolymorphicMatcherWithParam1(const P1 &Param1) |
| 1197 | : Param1(Param1) {} |
| 1198 | |
| 1199 | using ReturnTypes = typename ExtractFunctionArgMeta<ReturnTypesF>::type; |
| 1200 | |
| 1201 | template <typename T> |
| 1202 | operator Matcher<T>() const { |
| 1203 | static_assert(TypeListContainsSuperOf<ReturnTypes, T>::value, |
| 1204 | "right polymorphic conversion"); |
| 1205 | return Matcher<T>(new MatcherT<T, P1>(Param1)); |
| 1206 | } |
| 1207 | |
| 1208 | private: |
| 1209 | const P1 Param1; |
| 1210 | }; |
| 1211 | |
| 1212 | template <template <typename T, typename P1, typename P2> class MatcherT, |
| 1213 | typename P1, typename P2, |
| 1214 | typename ReturnTypesF = void(AllNodeBaseTypes)> |
| 1215 | class PolymorphicMatcherWithParam2 { |
| 1216 | public: |
| 1217 | PolymorphicMatcherWithParam2(const P1 &Param1, const P2 &Param2) |
| 1218 | : Param1(Param1), Param2(Param2) {} |
| 1219 | |
| 1220 | using ReturnTypes = typename ExtractFunctionArgMeta<ReturnTypesF>::type; |
| 1221 | |
| 1222 | template <typename T> |
| 1223 | operator Matcher<T>() const { |
| 1224 | static_assert(TypeListContainsSuperOf<ReturnTypes, T>::value, |
| 1225 | "right polymorphic conversion"); |
| 1226 | return Matcher<T>(new MatcherT<T, P1, P2>(Param1, Param2)); |
| 1227 | } |
| 1228 | |
| 1229 | private: |
| 1230 | const P1 Param1; |
| 1231 | const P2 Param2; |
| 1232 | }; |
| 1233 | |
| 1234 | |
| 1235 | |
| 1236 | |
| 1237 | |
| 1238 | class TrueMatcher { |
| 1239 | public: |
| 1240 | using ReturnTypes = AllNodeBaseTypes; |
| 1241 | |
| 1242 | template <typename T> |
| 1243 | operator Matcher<T>() const { |
| 1244 | return DynTypedMatcher::trueMatcher( |
| 1245 | ast_type_traits::ASTNodeKind::getFromNodeKind<T>()) |
| 1246 | .template unconditionalConvertTo<T>(); |
| 1247 | } |
| 1248 | }; |
| 1249 | |
| 1250 | |
| 1251 | |
| 1252 | |
| 1253 | |
| 1254 | template <typename T> |
| 1255 | class BindableMatcher : public Matcher<T> { |
| 1256 | public: |
| 1257 | explicit BindableMatcher(const Matcher<T> &M) : Matcher<T>(M) {} |
| 1258 | explicit BindableMatcher(MatcherInterface<T> *Implementation) |
| 1259 | : Matcher<T>(Implementation) {} |
| 1260 | |
| 1261 | |
| 1262 | |
| 1263 | |
| 1264 | |
| 1265 | Matcher<T> bind(StringRef ID) const { |
| 1266 | return DynTypedMatcher(*this) |
| 1267 | .tryBind(ID) |
| 1268 | ->template unconditionalConvertTo<T>(); |
| 1269 | } |
| 1270 | |
| 1271 | |
| 1272 | |
| 1273 | operator DynTypedMatcher() const { |
| 1274 | DynTypedMatcher Result = static_cast<const Matcher<T>&>(*this); |
| 1275 | Result.setAllowBind(true); |
| 1276 | return Result; |
| 1277 | } |
| 1278 | }; |
| 1279 | |
| 1280 | |
| 1281 | |
| 1282 | |
| 1283 | |
| 1284 | template <typename T, typename ChildT> |
| 1285 | class HasMatcher : public WrapperMatcherInterface<T> { |
| 1286 | public: |
| 1287 | explicit HasMatcher(const Matcher<ChildT> &ChildMatcher) |
| 1288 | : HasMatcher::WrapperMatcherInterface(ChildMatcher) {} |
| 1289 | |
| 1290 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 1291 | BoundNodesTreeBuilder *Builder) const override { |
| 1292 | return Finder->matchesChildOf(Node, this->InnerMatcher, Builder, |
| 1293 | ASTMatchFinder::TK_AsIs, |
| 1294 | ASTMatchFinder::BK_First); |
| 1295 | } |
| 1296 | }; |
| 1297 | |
| 1298 | |
| 1299 | |
| 1300 | |
| 1301 | |
| 1302 | |
| 1303 | template <typename T, typename ChildT> |
| 1304 | class ForEachMatcher : public WrapperMatcherInterface<T> { |
| 1305 | static_assert(IsBaseType<ChildT>::value, |
| 1306 | "for each only accepts base type matcher"); |
| 1307 | |
| 1308 | public: |
| 1309 | explicit ForEachMatcher(const Matcher<ChildT> &ChildMatcher) |
| 1310 | : ForEachMatcher::WrapperMatcherInterface(ChildMatcher) {} |
| 1311 | |
| 1312 | bool matches(const T& Node, ASTMatchFinder* Finder, |
| 1313 | BoundNodesTreeBuilder* Builder) const override { |
| 1314 | return Finder->matchesChildOf( |
| 1315 | Node, this->InnerMatcher, Builder, |
| 1316 | ASTMatchFinder::TK_IgnoreImplicitCastsAndParentheses, |
| 1317 | ASTMatchFinder::BK_All); |
| 1318 | } |
| 1319 | }; |
| 1320 | |
| 1321 | |
| 1322 | |
| 1323 | |
| 1324 | |
| 1325 | |
| 1326 | |
| 1327 | |
| 1328 | |
| 1329 | |
| 1330 | template <typename... Ps> class VariadicOperatorMatcher { |
| 1331 | public: |
| 1332 | VariadicOperatorMatcher(DynTypedMatcher::VariadicOperator Op, Ps &&... Params) |
| 1333 | : Op(Op), Params(std::forward<Ps>(Params)...) {} |
| 1334 | |
| 1335 | template <typename T> operator Matcher<T>() const { |
| 1336 | return DynTypedMatcher::constructVariadic( |
| 1337 | Op, ast_type_traits::ASTNodeKind::getFromNodeKind<T>(), |
| 1338 | getMatchers<T>(llvm::index_sequence_for<Ps...>())) |
| 1339 | .template unconditionalConvertTo<T>(); |
| 1340 | } |
| 1341 | |
| 1342 | private: |
| 1343 | |
| 1344 | template <typename T, std::size_t... Is> |
| 1345 | std::vector<DynTypedMatcher> getMatchers(llvm::index_sequence<Is...>) const { |
| 1346 | return {Matcher<T>(std::get<Is>(Params))...}; |
| 1347 | } |
| 1348 | |
| 1349 | const DynTypedMatcher::VariadicOperator Op; |
| 1350 | std::tuple<Ps...> Params; |
| 1351 | }; |
| 1352 | |
| 1353 | |
| 1354 | |
| 1355 | template <unsigned MinCount, unsigned MaxCount> |
| 1356 | struct VariadicOperatorMatcherFunc { |
| 1357 | DynTypedMatcher::VariadicOperator Op; |
| 1358 | |
| 1359 | template <typename... Ms> |
| 1360 | VariadicOperatorMatcher<Ms...> operator()(Ms &&... Ps) const { |
| 1361 | static_assert(MinCount <= sizeof...(Ms) && sizeof...(Ms) <= MaxCount, |
| 1362 | "invalid number of parameters for variadic matcher"); |
| 1363 | return VariadicOperatorMatcher<Ms...>(Op, std::forward<Ms>(Ps)...); |
| 1364 | } |
| 1365 | }; |
| 1366 | |
| 1367 | |
| 1368 | |
| 1369 | template <typename T> |
| 1370 | inline Matcher<T> DynTypedMatcher::unconditionalConvertTo() const { |
| 1371 | return Matcher<T>(*this); |
| 1372 | } |
| 1373 | |
| 1374 | |
| 1375 | template<typename T> |
| 1376 | BindableMatcher<T> makeAllOfComposite( |
| 1377 | ArrayRef<const Matcher<T> *> InnerMatchers) { |
| 1378 | |
| 1379 | if (InnerMatchers.empty()) { |
| 1380 | return BindableMatcher<T>(TrueMatcher()); |
| 1381 | } |
| 1382 | |
| 1383 | |
| 1384 | if (InnerMatchers.size() == 1) { |
| 1385 | return BindableMatcher<T>(*InnerMatchers[0]); |
| 1386 | } |
| 1387 | |
| 1388 | using PI = llvm::pointee_iterator<const Matcher<T> *const *>; |
| 1389 | |
| 1390 | std::vector<DynTypedMatcher> DynMatchers(PI(InnerMatchers.begin()), |
| 1391 | PI(InnerMatchers.end())); |
| 1392 | return BindableMatcher<T>( |
| 1393 | DynTypedMatcher::constructVariadic( |
| 1394 | DynTypedMatcher::VO_AllOf, |
| 1395 | ast_type_traits::ASTNodeKind::getFromNodeKind<T>(), |
| 1396 | std::move(DynMatchers)) |
| 1397 | .template unconditionalConvertTo<T>()); |
| 1398 | } |
| 1399 | |
| 1400 | |
| 1401 | |
| 1402 | |
| 1403 | |
| 1404 | |
| 1405 | |
| 1406 | template<typename T, typename InnerT> |
| 1407 | BindableMatcher<T> makeDynCastAllOfComposite( |
| 1408 | ArrayRef<const Matcher<InnerT> *> InnerMatchers) { |
| 1409 | return BindableMatcher<T>( |
| 1410 | makeAllOfComposite(InnerMatchers).template dynCastTo<T>()); |
| 1411 | } |
| 1412 | |
| 1413 | |
| 1414 | |
| 1415 | |
| 1416 | |
| 1417 | template <typename T, typename DescendantT> |
| 1418 | class HasDescendantMatcher : public WrapperMatcherInterface<T> { |
| 1419 | static_assert(IsBaseType<DescendantT>::value, |
| 1420 | "has descendant only accepts base type matcher"); |
| 1421 | |
| 1422 | public: |
| 1423 | explicit HasDescendantMatcher(const Matcher<DescendantT> &DescendantMatcher) |
| 1424 | : HasDescendantMatcher::WrapperMatcherInterface(DescendantMatcher) {} |
| 1425 | |
| 1426 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 1427 | BoundNodesTreeBuilder *Builder) const override { |
| 1428 | return Finder->matchesDescendantOf(Node, this->InnerMatcher, Builder, |
| 1429 | ASTMatchFinder::BK_First); |
| 1430 | } |
| 1431 | }; |
| 1432 | |
| 1433 | |
| 1434 | |
| 1435 | |
| 1436 | |
| 1437 | template <typename T, typename ParentT> |
| 1438 | class HasParentMatcher : public WrapperMatcherInterface<T> { |
| 1439 | static_assert(IsBaseType<ParentT>::value, |
| 1440 | "has parent only accepts base type matcher"); |
| 1441 | |
| 1442 | public: |
| 1443 | explicit HasParentMatcher(const Matcher<ParentT> &ParentMatcher) |
| 1444 | : HasParentMatcher::WrapperMatcherInterface(ParentMatcher) {} |
| 1445 | |
| 1446 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 1447 | BoundNodesTreeBuilder *Builder) const override { |
| 1448 | return Finder->matchesAncestorOf(Node, this->InnerMatcher, Builder, |
| 1449 | ASTMatchFinder::AMM_ParentOnly); |
| 1450 | } |
| 1451 | }; |
| 1452 | |
| 1453 | |
| 1454 | |
| 1455 | |
| 1456 | |
| 1457 | template <typename T, typename AncestorT> |
| 1458 | class HasAncestorMatcher : public WrapperMatcherInterface<T> { |
| 1459 | static_assert(IsBaseType<AncestorT>::value, |
| 1460 | "has ancestor only accepts base type matcher"); |
| 1461 | |
| 1462 | public: |
| 1463 | explicit HasAncestorMatcher(const Matcher<AncestorT> &AncestorMatcher) |
| 1464 | : HasAncestorMatcher::WrapperMatcherInterface(AncestorMatcher) {} |
| 1465 | |
| 1466 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 1467 | BoundNodesTreeBuilder *Builder) const override { |
| 1468 | return Finder->matchesAncestorOf(Node, this->InnerMatcher, Builder, |
| 1469 | ASTMatchFinder::AMM_All); |
| 1470 | } |
| 1471 | }; |
| 1472 | |
| 1473 | |
| 1474 | |
| 1475 | |
| 1476 | |
| 1477 | |
| 1478 | |
| 1479 | template <typename T, typename DescendantT> |
| 1480 | class ForEachDescendantMatcher : public WrapperMatcherInterface<T> { |
| 1481 | static_assert(IsBaseType<DescendantT>::value, |
| 1482 | "for each descendant only accepts base type matcher"); |
| 1483 | |
| 1484 | public: |
| 1485 | explicit ForEachDescendantMatcher( |
| 1486 | const Matcher<DescendantT> &DescendantMatcher) |
| 1487 | : ForEachDescendantMatcher::WrapperMatcherInterface(DescendantMatcher) {} |
| 1488 | |
| 1489 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 1490 | BoundNodesTreeBuilder *Builder) const override { |
| 1491 | return Finder->matchesDescendantOf(Node, this->InnerMatcher, Builder, |
| 1492 | ASTMatchFinder::BK_All); |
| 1493 | } |
| 1494 | }; |
| 1495 | |
| 1496 | |
| 1497 | |
| 1498 | template <typename T, typename ValueT> |
| 1499 | class ValueEqualsMatcher : public SingleNodeMatcherInterface<T> { |
| 1500 | static_assert(std::is_base_of<CharacterLiteral, T>::value || |
| 1501 | std::is_base_of<CXXBoolLiteralExpr, T>::value || |
| 1502 | std::is_base_of<FloatingLiteral, T>::value || |
| 1503 | std::is_base_of<IntegerLiteral, T>::value, |
| 1504 | "the node must have a getValue method"); |
| 1505 | |
| 1506 | public: |
| 1507 | explicit ValueEqualsMatcher(const ValueT &ExpectedValue) |
| 1508 | : ExpectedValue(ExpectedValue) {} |
| 1509 | |
| 1510 | bool matchesNode(const T &Node) const override { |
| 1511 | return Node.getValue() == ExpectedValue; |
| 1512 | } |
| 1513 | |
| 1514 | private: |
| 1515 | const ValueT ExpectedValue; |
| 1516 | }; |
| 1517 | |
| 1518 | |
| 1519 | |
| 1520 | template <> |
| 1521 | inline bool ValueEqualsMatcher<FloatingLiteral, double>::matchesNode( |
| 1522 | const FloatingLiteral &Node) const { |
| 1523 | if ((&Node.getSemantics()) == &llvm::APFloat::IEEEsingle()) |
| 1524 | return Node.getValue().convertToFloat() == ExpectedValue; |
| 1525 | if ((&Node.getSemantics()) == &llvm::APFloat::IEEEdouble()) |
| 1526 | return Node.getValue().convertToDouble() == ExpectedValue; |
| 1527 | return false; |
| 1528 | } |
| 1529 | template <> |
| 1530 | inline bool ValueEqualsMatcher<FloatingLiteral, float>::matchesNode( |
| 1531 | const FloatingLiteral &Node) const { |
| 1532 | if ((&Node.getSemantics()) == &llvm::APFloat::IEEEsingle()) |
| 1533 | return Node.getValue().convertToFloat() == ExpectedValue; |
| 1534 | if ((&Node.getSemantics()) == &llvm::APFloat::IEEEdouble()) |
| 1535 | return Node.getValue().convertToDouble() == ExpectedValue; |
| 1536 | return false; |
| 1537 | } |
| 1538 | template <> |
| 1539 | inline bool ValueEqualsMatcher<FloatingLiteral, llvm::APFloat>::matchesNode( |
| 1540 | const FloatingLiteral &Node) const { |
| 1541 | return ExpectedValue.compare(Node.getValue()) == llvm::APFloat::cmpEqual; |
| 1542 | } |
| 1543 | |
| 1544 | |
| 1545 | |
| 1546 | |
| 1547 | |
| 1548 | |
| 1549 | |
| 1550 | |
| 1551 | |
| 1552 | |
| 1553 | |
| 1554 | |
| 1555 | template <typename SourceT, typename TargetT> |
| 1556 | class VariadicDynCastAllOfMatcher |
| 1557 | : public VariadicFunction<BindableMatcher<SourceT>, Matcher<TargetT>, |
| 1558 | makeDynCastAllOfComposite<SourceT, TargetT>> { |
| 1559 | public: |
| 1560 | VariadicDynCastAllOfMatcher() {} |
| 1561 | }; |
| 1562 | |
| 1563 | |
| 1564 | |
| 1565 | |
| 1566 | |
| 1567 | |
| 1568 | |
| 1569 | |
| 1570 | |
| 1571 | |
| 1572 | |
| 1573 | template <typename T> |
| 1574 | class VariadicAllOfMatcher |
| 1575 | : public VariadicFunction<BindableMatcher<T>, Matcher<T>, |
| 1576 | makeAllOfComposite<T>> { |
| 1577 | public: |
| 1578 | VariadicAllOfMatcher() {} |
| 1579 | }; |
| 1580 | |
| 1581 | |
| 1582 | |
| 1583 | template <typename TLoc, typename T> |
| 1584 | class LocMatcher : public WrapperMatcherInterface<TLoc> { |
| 1585 | public: |
| 1586 | explicit LocMatcher(const Matcher<T> &InnerMatcher) |
| 1587 | : LocMatcher::WrapperMatcherInterface(InnerMatcher) {} |
| 1588 | |
| 1589 | bool matches(const TLoc &Node, ASTMatchFinder *Finder, |
| 1590 | BoundNodesTreeBuilder *Builder) const override { |
| 1591 | if (!Node) |
| 1592 | return false; |
| 1593 | return this->InnerMatcher.matches(extract(Node), Finder, Builder); |
| 1594 | } |
| 1595 | |
| 1596 | private: |
| 1597 | static ast_type_traits::DynTypedNode |
| 1598 | (const NestedNameSpecifierLoc &Loc) { |
| 1599 | return ast_type_traits::DynTypedNode::create(*Loc.getNestedNameSpecifier()); |
| 1600 | } |
| 1601 | }; |
| 1602 | |
| 1603 | |
| 1604 | |
| 1605 | |
| 1606 | |
| 1607 | class TypeLocTypeMatcher : public WrapperMatcherInterface<TypeLoc> { |
| 1608 | public: |
| 1609 | explicit TypeLocTypeMatcher(const Matcher<QualType> &InnerMatcher) |
| 1610 | : TypeLocTypeMatcher::WrapperMatcherInterface(InnerMatcher) {} |
| 1611 | |
| 1612 | bool matches(const TypeLoc &Node, ASTMatchFinder *Finder, |
| 1613 | BoundNodesTreeBuilder *Builder) const override { |
| 1614 | if (!Node) |
| 1615 | return false; |
| 1616 | return this->InnerMatcher.matches( |
| 1617 | ast_type_traits::DynTypedNode::create(Node.getType()), Finder, Builder); |
| 1618 | } |
| 1619 | }; |
| 1620 | |
| 1621 | |
| 1622 | |
| 1623 | |
| 1624 | template <typename T> |
| 1625 | class TypeTraverseMatcher : public WrapperMatcherInterface<T> { |
| 1626 | public: |
| 1627 | explicit TypeTraverseMatcher(const Matcher<QualType> &InnerMatcher, |
| 1628 | QualType (T::*TraverseFunction)() const) |
| 1629 | : TypeTraverseMatcher::WrapperMatcherInterface(InnerMatcher), |
| 1630 | TraverseFunction(TraverseFunction) {} |
| 1631 | |
| 1632 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 1633 | BoundNodesTreeBuilder *Builder) const override { |
| 1634 | QualType NextNode = (Node.*TraverseFunction)(); |
| 1635 | if (NextNode.isNull()) |
| 1636 | return false; |
| 1637 | return this->InnerMatcher.matches( |
| 1638 | ast_type_traits::DynTypedNode::create(NextNode), Finder, Builder); |
| 1639 | } |
| 1640 | |
| 1641 | private: |
| 1642 | QualType (T::*TraverseFunction)() const; |
| 1643 | }; |
| 1644 | |
| 1645 | |
| 1646 | |
| 1647 | |
| 1648 | template <typename T> |
| 1649 | class TypeLocTraverseMatcher : public WrapperMatcherInterface<T> { |
| 1650 | public: |
| 1651 | explicit TypeLocTraverseMatcher(const Matcher<TypeLoc> &InnerMatcher, |
| 1652 | TypeLoc (T::*TraverseFunction)() const) |
| 1653 | : TypeLocTraverseMatcher::WrapperMatcherInterface(InnerMatcher), |
| 1654 | TraverseFunction(TraverseFunction) {} |
| 1655 | |
| 1656 | bool matches(const T &Node, ASTMatchFinder *Finder, |
| 1657 | BoundNodesTreeBuilder *Builder) const override { |
| 1658 | TypeLoc NextNode = (Node.*TraverseFunction)(); |
| 1659 | if (!NextNode) |
| 1660 | return false; |
| 1661 | return this->InnerMatcher.matches( |
| 1662 | ast_type_traits::DynTypedNode::create(NextNode), Finder, Builder); |
| 1663 | } |
| 1664 | |
| 1665 | private: |
| 1666 | TypeLoc (T::*TraverseFunction)() const; |
| 1667 | }; |
| 1668 | |
| 1669 | |
| 1670 | |
| 1671 | |
| 1672 | |
| 1673 | |
| 1674 | |
| 1675 | template <typename InnerTBase, |
| 1676 | template <typename OuterT> class Getter, |
| 1677 | template <typename OuterT> class MatcherImpl, |
| 1678 | typename ReturnTypesF> |
| 1679 | class TypeTraversePolymorphicMatcher { |
| 1680 | private: |
| 1681 | using Self = TypeTraversePolymorphicMatcher<InnerTBase, Getter, MatcherImpl, |
| 1682 | ReturnTypesF>; |
| 1683 | |
| 1684 | static Self create(ArrayRef<const Matcher<InnerTBase> *> InnerMatchers); |
| 1685 | |
| 1686 | public: |
| 1687 | using ReturnTypes = typename ExtractFunctionArgMeta<ReturnTypesF>::type; |
| 1688 | |
| 1689 | explicit TypeTraversePolymorphicMatcher( |
| 1690 | ArrayRef<const Matcher<InnerTBase> *> InnerMatchers) |
| 1691 | : InnerMatcher(makeAllOfComposite(InnerMatchers)) {} |
| 1692 | |
| 1693 | template <typename OuterT> operator Matcher<OuterT>() const { |
| 1694 | return Matcher<OuterT>( |
| 1695 | new MatcherImpl<OuterT>(InnerMatcher, Getter<OuterT>::value())); |
| 1696 | } |
| 1697 | |
| 1698 | struct Func |
| 1699 | : public VariadicFunction<Self, Matcher<InnerTBase>, &Self::create> { |
| 1700 | Func() {} |
| 1701 | }; |
| 1702 | |
| 1703 | private: |
| 1704 | const Matcher<InnerTBase> InnerMatcher; |
| 1705 | }; |
| 1706 | |
| 1707 | |
| 1708 | |
| 1709 | |
| 1710 | |
| 1711 | template <typename Matcher, Matcher (*Func)()> class MemoizedMatcher { |
| 1712 | struct Wrapper { |
| 1713 | Wrapper() : M(Func()) {} |
| 1714 | |
| 1715 | Matcher M; |
| 1716 | }; |
| 1717 | |
| 1718 | public: |
| 1719 | static const Matcher &getInstance() { |
| 1720 | static llvm::ManagedStatic<Wrapper> Instance; |
| 1721 | return Instance->M; |
| 1722 | } |
| 1723 | }; |
| 1724 | |
| 1725 | |
| 1726 | |
| 1727 | |
| 1728 | template <typename InnerTBase, template <typename OuterT> class Getter, |
| 1729 | template <typename OuterT> class MatcherImpl, typename ReturnTypesF> |
| 1730 | TypeTraversePolymorphicMatcher<InnerTBase, Getter, MatcherImpl, ReturnTypesF> |
| 1731 | TypeTraversePolymorphicMatcher< |
| 1732 | InnerTBase, Getter, MatcherImpl, |
| 1733 | ReturnTypesF>::create(ArrayRef<const Matcher<InnerTBase> *> InnerMatchers) { |
| 1734 | return Self(InnerMatchers); |
| 1735 | } |
| 1736 | |
| 1737 | |
| 1738 | |
| 1739 | inline ArrayRef<TemplateArgument> |
| 1740 | getTemplateSpecializationArgs(const ClassTemplateSpecializationDecl &D) { |
| 1741 | return D.getTemplateArgs().asArray(); |
| 1742 | } |
| 1743 | |
| 1744 | inline ArrayRef<TemplateArgument> |
| 1745 | getTemplateSpecializationArgs(const TemplateSpecializationType &T) { |
| 1746 | return llvm::makeArrayRef(T.getArgs(), T.getNumArgs()); |
| 1747 | } |
| 1748 | |
| 1749 | inline ArrayRef<TemplateArgument> |
| 1750 | getTemplateSpecializationArgs(const FunctionDecl &FD) { |
| 1751 | if (const auto* TemplateArgs = FD.getTemplateSpecializationArgs()) |
| 1752 | return TemplateArgs->asArray(); |
| 1753 | return ArrayRef<TemplateArgument>(); |
| 1754 | } |
| 1755 | |
| 1756 | struct NotEqualsBoundNodePredicate { |
| 1757 | bool operator()(const internal::BoundNodesMap &Nodes) const { |
| 1758 | return Nodes.getNode(ID) != Node; |
| 1759 | } |
| 1760 | |
| 1761 | std::string ID; |
| 1762 | ast_type_traits::DynTypedNode Node; |
| 1763 | }; |
| 1764 | |
| 1765 | template <typename Ty> |
| 1766 | struct GetBodyMatcher { |
| 1767 | static const Stmt *get(const Ty &Node) { |
| 1768 | return Node.getBody(); |
| 1769 | } |
| 1770 | }; |
| 1771 | |
| 1772 | template <> |
| 1773 | inline const Stmt *GetBodyMatcher<FunctionDecl>::get(const FunctionDecl &Node) { |
| 1774 | return Node.doesThisDeclarationHaveABody() ? Node.getBody() : nullptr; |
| 1775 | } |
| 1776 | |
| 1777 | template <typename Ty> |
| 1778 | struct HasSizeMatcher { |
| 1779 | static bool hasSize(const Ty &Node, unsigned int N) { |
| 1780 | return Node.getSize() == N; |
| 1781 | } |
| 1782 | }; |
| 1783 | |
| 1784 | template <> |
| 1785 | inline bool HasSizeMatcher<StringLiteral>::hasSize( |
| 1786 | const StringLiteral &Node, unsigned int N) { |
| 1787 | return Node.getLength() == N; |
| 1788 | } |
| 1789 | |
| 1790 | template <typename Ty> |
| 1791 | struct GetSourceExpressionMatcher { |
| 1792 | static const Expr *get(const Ty &Node) { |
| 1793 | return Node.getSubExpr(); |
| 1794 | } |
| 1795 | }; |
| 1796 | |
| 1797 | template <> |
| 1798 | inline const Expr *GetSourceExpressionMatcher<OpaqueValueExpr>::get( |
| 1799 | const OpaqueValueExpr &Node) { |
| 1800 | return Node.getSourceExpr(); |
| 1801 | } |
| 1802 | |
| 1803 | template <typename Ty> |
| 1804 | struct CompoundStmtMatcher { |
| 1805 | static const CompoundStmt *get(const Ty &Node) { |
| 1806 | return &Node; |
| 1807 | } |
| 1808 | }; |
| 1809 | |
| 1810 | template <> |
| 1811 | inline const CompoundStmt * |
| 1812 | CompoundStmtMatcher<StmtExpr>::get(const StmtExpr &Node) { |
| 1813 | return Node.getSubStmt(); |
| 1814 | } |
| 1815 | |
| 1816 | } |
| 1817 | |
| 1818 | } |
| 1819 | |
| 1820 | } |
| 1821 | |
| 1822 | #endif |
| 1823 | |