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| 14 | #ifndef LLVM_CLANG_ANALYSIS_PROGRAMPOINT_H |
| 15 | #define LLVM_CLANG_ANALYSIS_PROGRAMPOINT_H |
| 16 | |
| 17 | #include "clang/Analysis/AnalysisDeclContext.h" |
| 18 | #include "clang/Analysis/CFG.h" |
| 19 | #include "llvm/ADT/DenseMap.h" |
| 20 | #include "llvm/ADT/FoldingSet.h" |
| 21 | #include "llvm/ADT/Optional.h" |
| 22 | #include "llvm/ADT/PointerIntPair.h" |
| 23 | #include "llvm/ADT/StringRef.h" |
| 24 | #include "llvm/Support/Casting.h" |
| 25 | #include "llvm/Support/DataTypes.h" |
| 26 | #include <cassert> |
| 27 | #include <string> |
| 28 | #include <utility> |
| 29 | |
| 30 | namespace clang { |
| 31 | |
| 32 | class AnalysisDeclContext; |
| 33 | class FunctionDecl; |
| 34 | class LocationContext; |
| 35 | |
| 36 | |
| 37 | |
| 38 | |
| 39 | class ProgramPointTag { |
| 40 | public: |
| 41 | ProgramPointTag(void *tagKind = nullptr) : TagKind(tagKind) {} |
| 42 | virtual ~ProgramPointTag(); |
| 43 | virtual StringRef getTagDescription() const = 0; |
| 44 | |
| 45 | protected: |
| 46 | |
| 47 | const void *getTagKind() { return TagKind; } |
| 48 | |
| 49 | private: |
| 50 | const void *TagKind; |
| 51 | }; |
| 52 | |
| 53 | class SimpleProgramPointTag : public ProgramPointTag { |
| 54 | std::string Desc; |
| 55 | public: |
| 56 | SimpleProgramPointTag(StringRef MsgProvider, StringRef Msg); |
| 57 | StringRef getTagDescription() const override; |
| 58 | }; |
| 59 | |
| 60 | class ProgramPoint { |
| 61 | public: |
| 62 | enum Kind { BlockEdgeKind, |
| 63 | BlockEntranceKind, |
| 64 | BlockExitKind, |
| 65 | PreStmtKind, |
| 66 | PreStmtPurgeDeadSymbolsKind, |
| 67 | PostStmtPurgeDeadSymbolsKind, |
| 68 | PostStmtKind, |
| 69 | PreLoadKind, |
| 70 | PostLoadKind, |
| 71 | PreStoreKind, |
| 72 | PostStoreKind, |
| 73 | PostConditionKind, |
| 74 | PostLValueKind, |
| 75 | PostAllocatorCallKind, |
| 76 | MinPostStmtKind = PostStmtKind, |
| 77 | MaxPostStmtKind = PostAllocatorCallKind, |
| 78 | PostInitializerKind, |
| 79 | CallEnterKind, |
| 80 | CallExitBeginKind, |
| 81 | CallExitEndKind, |
| 82 | FunctionExitKind, |
| 83 | PreImplicitCallKind, |
| 84 | PostImplicitCallKind, |
| 85 | MinImplicitCallKind = PreImplicitCallKind, |
| 86 | MaxImplicitCallKind = PostImplicitCallKind, |
| 87 | LoopExitKind, |
| 88 | EpsilonKind}; |
| 89 | |
| 90 | private: |
| 91 | const void *Data1; |
| 92 | llvm::PointerIntPair<const void *, 2, unsigned> Data2; |
| 93 | |
| 94 | |
| 95 | |
| 96 | llvm::PointerIntPair<const LocationContext *, 2, unsigned> L; |
| 97 | |
| 98 | llvm::PointerIntPair<const ProgramPointTag *, 2, unsigned> Tag; |
| 99 | |
| 100 | protected: |
| 101 | ProgramPoint() = default; |
| 102 | ProgramPoint(const void *P, |
| 103 | Kind k, |
| 104 | const LocationContext *l, |
| 105 | const ProgramPointTag *tag = nullptr) |
| 106 | : Data1(P), |
| 107 | Data2(nullptr, (((unsigned) k) >> 0) & 0x3), |
| 108 | L(l, (((unsigned) k) >> 2) & 0x3), |
| 109 | Tag(tag, (((unsigned) k) >> 4) & 0x3) { |
| 110 | assert(getKind() == k); |
| 111 | assert(getLocationContext() == l); |
| 112 | assert(getData1() == P); |
| 113 | } |
| 114 | |
| 115 | ProgramPoint(const void *P1, |
| 116 | const void *P2, |
| 117 | Kind k, |
| 118 | const LocationContext *l, |
| 119 | const ProgramPointTag *tag = nullptr) |
| 120 | : Data1(P1), |
| 121 | Data2(P2, (((unsigned) k) >> 0) & 0x3), |
| 122 | L(l, (((unsigned) k) >> 2) & 0x3), |
| 123 | Tag(tag, (((unsigned) k) >> 4) & 0x3) {} |
| 124 | |
| 125 | protected: |
| 126 | const void *getData1() const { return Data1; } |
| 127 | const void *getData2() const { return Data2.getPointer(); } |
| 128 | void setData2(const void *d) { Data2.setPointer(d); } |
| 129 | |
| 130 | public: |
| 131 | |
| 132 | |
| 133 | ProgramPoint withTag(const ProgramPointTag *tag) const { |
| 134 | return ProgramPoint(getData1(), getData2(), getKind(), |
| 135 | getLocationContext(), tag); |
| 136 | } |
| 137 | |
| 138 | |
| 139 | |
| 140 | template<typename T> |
| 141 | T castAs() const { |
| 142 | assert(T::isKind(*this)); |
| 143 | T t; |
| 144 | ProgramPoint& PP = t; |
| 145 | PP = *this; |
| 146 | return t; |
| 147 | } |
| 148 | |
| 149 | |
| 150 | |
| 151 | template<typename T> |
| 152 | Optional<T> getAs() const { |
| 153 | if (!T::isKind(*this)) |
| 154 | return None; |
| 155 | T t; |
| 156 | ProgramPoint& PP = t; |
| 157 | PP = *this; |
| 158 | return t; |
| 159 | } |
| 160 | |
| 161 | Kind getKind() const { |
| 162 | unsigned x = Tag.getInt(); |
| 163 | x <<= 2; |
| 164 | x |= L.getInt(); |
| 165 | x <<= 2; |
| 166 | x |= Data2.getInt(); |
| 167 | return (Kind) x; |
| 168 | } |
| 169 | |
| 170 | |
| 171 | |
| 172 | bool isPurgeKind() { |
| 173 | Kind K = getKind(); |
| 174 | return (K == PostStmtPurgeDeadSymbolsKind || |
| 175 | K == PreStmtPurgeDeadSymbolsKind); |
| 176 | } |
| 177 | |
| 178 | const ProgramPointTag *getTag() const { return Tag.getPointer(); } |
| 179 | |
| 180 | const LocationContext *getLocationContext() const { |
| 181 | return L.getPointer(); |
| 182 | } |
| 183 | |
| 184 | const StackFrameContext *getStackFrame() const { |
| 185 | return getLocationContext()->getStackFrame(); |
| 186 | } |
| 187 | |
| 188 | |
| 189 | unsigned getHashValue() const { |
| 190 | llvm::FoldingSetNodeID ID; |
| 191 | Profile(ID); |
| 192 | return ID.ComputeHash(); |
| 193 | } |
| 194 | |
| 195 | bool operator==(const ProgramPoint & RHS) const { |
| 196 | return Data1 == RHS.Data1 && |
| 197 | Data2 == RHS.Data2 && |
| 198 | L == RHS.L && |
| 199 | Tag == RHS.Tag; |
| 200 | } |
| 201 | |
| 202 | bool operator!=(const ProgramPoint &RHS) const { |
| 203 | return Data1 != RHS.Data1 || |
| 204 | Data2 != RHS.Data2 || |
| 205 | L != RHS.L || |
| 206 | Tag != RHS.Tag; |
| 207 | } |
| 208 | |
| 209 | void Profile(llvm::FoldingSetNodeID& ID) const { |
| 210 | ID.AddInteger((unsigned) getKind()); |
| 211 | ID.AddPointer(getData1()); |
| 212 | ID.AddPointer(getData2()); |
| 213 | ID.AddPointer(getLocationContext()); |
| 214 | ID.AddPointer(getTag()); |
| 215 | } |
| 216 | |
| 217 | void print(StringRef CR, llvm::raw_ostream &Out) const; |
| 218 | |
| 219 | LLVM_DUMP_METHOD void dump() const; |
| 220 | |
| 221 | static ProgramPoint getProgramPoint(const Stmt *S, ProgramPoint::Kind K, |
| 222 | const LocationContext *LC, |
| 223 | const ProgramPointTag *tag); |
| 224 | }; |
| 225 | |
| 226 | class BlockEntrance : public ProgramPoint { |
| 227 | public: |
| 228 | BlockEntrance(const CFGBlock *B, const LocationContext *L, |
| 229 | const ProgramPointTag *tag = nullptr) |
| 230 | : ProgramPoint(B, BlockEntranceKind, L, tag) { |
| 231 | (0) . __assert_fail ("B && \"BlockEntrance requires non-null block\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Analysis/ProgramPoint.h", 231, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(B && "BlockEntrance requires non-null block"); |
| 232 | } |
| 233 | |
| 234 | const CFGBlock *getBlock() const { |
| 235 | return reinterpret_cast<const CFGBlock*>(getData1()); |
| 236 | } |
| 237 | |
| 238 | Optional<CFGElement> getFirstElement() const { |
| 239 | const CFGBlock *B = getBlock(); |
| 240 | return B->empty() ? Optional<CFGElement>() : B->front(); |
| 241 | } |
| 242 | |
| 243 | private: |
| 244 | friend class ProgramPoint; |
| 245 | BlockEntrance() = default; |
| 246 | static bool isKind(const ProgramPoint &Location) { |
| 247 | return Location.getKind() == BlockEntranceKind; |
| 248 | } |
| 249 | }; |
| 250 | |
| 251 | class BlockExit : public ProgramPoint { |
| 252 | public: |
| 253 | BlockExit(const CFGBlock *B, const LocationContext *L) |
| 254 | : ProgramPoint(B, BlockExitKind, L) {} |
| 255 | |
| 256 | const CFGBlock *getBlock() const { |
| 257 | return reinterpret_cast<const CFGBlock*>(getData1()); |
| 258 | } |
| 259 | |
| 260 | const Stmt *getTerminator() const { |
| 261 | return getBlock()->getTerminator(); |
| 262 | } |
| 263 | |
| 264 | private: |
| 265 | friend class ProgramPoint; |
| 266 | BlockExit() = default; |
| 267 | static bool isKind(const ProgramPoint &Location) { |
| 268 | return Location.getKind() == BlockExitKind; |
| 269 | } |
| 270 | }; |
| 271 | |
| 272 | class StmtPoint : public ProgramPoint { |
| 273 | public: |
| 274 | StmtPoint(const Stmt *S, const void *p2, Kind k, const LocationContext *L, |
| 275 | const ProgramPointTag *tag) |
| 276 | : ProgramPoint(S, p2, k, L, tag) { |
| 277 | assert(S); |
| 278 | } |
| 279 | |
| 280 | const Stmt *getStmt() const { return (const Stmt*) getData1(); } |
| 281 | |
| 282 | template <typename T> |
| 283 | const T* getStmtAs() const { return dyn_cast<T>(getStmt()); } |
| 284 | |
| 285 | protected: |
| 286 | StmtPoint() = default; |
| 287 | private: |
| 288 | friend class ProgramPoint; |
| 289 | static bool isKind(const ProgramPoint &Location) { |
| 290 | unsigned k = Location.getKind(); |
| 291 | return k >= PreStmtKind && k <= MaxPostStmtKind; |
| 292 | } |
| 293 | }; |
| 294 | |
| 295 | |
| 296 | class PreStmt : public StmtPoint { |
| 297 | public: |
| 298 | PreStmt(const Stmt *S, const LocationContext *L, const ProgramPointTag *tag, |
| 299 | const Stmt *SubStmt = nullptr) |
| 300 | : StmtPoint(S, SubStmt, PreStmtKind, L, tag) {} |
| 301 | |
| 302 | const Stmt *getSubStmt() const { return (const Stmt*) getData2(); } |
| 303 | |
| 304 | private: |
| 305 | friend class ProgramPoint; |
| 306 | PreStmt() = default; |
| 307 | static bool isKind(const ProgramPoint &Location) { |
| 308 | return Location.getKind() == PreStmtKind; |
| 309 | } |
| 310 | }; |
| 311 | |
| 312 | class PostStmt : public StmtPoint { |
| 313 | protected: |
| 314 | PostStmt() = default; |
| 315 | PostStmt(const Stmt *S, const void *data, Kind k, const LocationContext *L, |
| 316 | const ProgramPointTag *tag = nullptr) |
| 317 | : StmtPoint(S, data, k, L, tag) {} |
| 318 | |
| 319 | public: |
| 320 | explicit PostStmt(const Stmt *S, Kind k, const LocationContext *L, |
| 321 | const ProgramPointTag *tag = nullptr) |
| 322 | : StmtPoint(S, nullptr, k, L, tag) {} |
| 323 | |
| 324 | explicit PostStmt(const Stmt *S, const LocationContext *L, |
| 325 | const ProgramPointTag *tag = nullptr) |
| 326 | : StmtPoint(S, nullptr, PostStmtKind, L, tag) {} |
| 327 | |
| 328 | private: |
| 329 | friend class ProgramPoint; |
| 330 | static bool isKind(const ProgramPoint &Location) { |
| 331 | unsigned k = Location.getKind(); |
| 332 | return k >= MinPostStmtKind && k <= MaxPostStmtKind; |
| 333 | } |
| 334 | }; |
| 335 | |
| 336 | class FunctionExitPoint : public ProgramPoint { |
| 337 | public: |
| 338 | explicit FunctionExitPoint(const ReturnStmt *S, |
| 339 | const LocationContext *LC, |
| 340 | const ProgramPointTag *tag = nullptr) |
| 341 | : ProgramPoint(S, FunctionExitKind, LC, tag) {} |
| 342 | |
| 343 | const CFGBlock *getBlock() const { |
| 344 | return &getLocationContext()->getCFG()->getExit(); |
| 345 | } |
| 346 | |
| 347 | const ReturnStmt *getStmt() const { |
| 348 | return reinterpret_cast<const ReturnStmt *>(getData1()); |
| 349 | } |
| 350 | |
| 351 | private: |
| 352 | friend class ProgramPoint; |
| 353 | FunctionExitPoint() = default; |
| 354 | static bool isKind(const ProgramPoint &Location) { |
| 355 | return Location.getKind() == FunctionExitKind; |
| 356 | } |
| 357 | }; |
| 358 | |
| 359 | |
| 360 | class PostCondition : public PostStmt { |
| 361 | public: |
| 362 | PostCondition(const Stmt *S, const LocationContext *L, |
| 363 | const ProgramPointTag *tag = nullptr) |
| 364 | : PostStmt(S, PostConditionKind, L, tag) {} |
| 365 | |
| 366 | private: |
| 367 | friend class ProgramPoint; |
| 368 | PostCondition() = default; |
| 369 | static bool isKind(const ProgramPoint &Location) { |
| 370 | return Location.getKind() == PostConditionKind; |
| 371 | } |
| 372 | }; |
| 373 | |
| 374 | class LocationCheck : public StmtPoint { |
| 375 | protected: |
| 376 | LocationCheck() = default; |
| 377 | LocationCheck(const Stmt *S, const LocationContext *L, |
| 378 | ProgramPoint::Kind K, const ProgramPointTag *tag) |
| 379 | : StmtPoint(S, nullptr, K, L, tag) {} |
| 380 | |
| 381 | private: |
| 382 | friend class ProgramPoint; |
| 383 | static bool isKind(const ProgramPoint &location) { |
| 384 | unsigned k = location.getKind(); |
| 385 | return k == PreLoadKind || k == PreStoreKind; |
| 386 | } |
| 387 | }; |
| 388 | |
| 389 | class PreLoad : public LocationCheck { |
| 390 | public: |
| 391 | PreLoad(const Stmt *S, const LocationContext *L, |
| 392 | const ProgramPointTag *tag = nullptr) |
| 393 | : LocationCheck(S, L, PreLoadKind, tag) {} |
| 394 | |
| 395 | private: |
| 396 | friend class ProgramPoint; |
| 397 | PreLoad() = default; |
| 398 | static bool isKind(const ProgramPoint &location) { |
| 399 | return location.getKind() == PreLoadKind; |
| 400 | } |
| 401 | }; |
| 402 | |
| 403 | class PreStore : public LocationCheck { |
| 404 | public: |
| 405 | PreStore(const Stmt *S, const LocationContext *L, |
| 406 | const ProgramPointTag *tag = nullptr) |
| 407 | : LocationCheck(S, L, PreStoreKind, tag) {} |
| 408 | |
| 409 | private: |
| 410 | friend class ProgramPoint; |
| 411 | PreStore() = default; |
| 412 | static bool isKind(const ProgramPoint &location) { |
| 413 | return location.getKind() == PreStoreKind; |
| 414 | } |
| 415 | }; |
| 416 | |
| 417 | class PostLoad : public PostStmt { |
| 418 | public: |
| 419 | PostLoad(const Stmt *S, const LocationContext *L, |
| 420 | const ProgramPointTag *tag = nullptr) |
| 421 | : PostStmt(S, PostLoadKind, L, tag) {} |
| 422 | |
| 423 | private: |
| 424 | friend class ProgramPoint; |
| 425 | PostLoad() = default; |
| 426 | static bool isKind(const ProgramPoint &Location) { |
| 427 | return Location.getKind() == PostLoadKind; |
| 428 | } |
| 429 | }; |
| 430 | |
| 431 | |
| 432 | class PostStore : public PostStmt { |
| 433 | public: |
| 434 | |
| 435 | |
| 436 | |
| 437 | PostStore(const Stmt *S, const LocationContext *L, const void *Loc, |
| 438 | const ProgramPointTag *tag = nullptr) |
| 439 | : PostStmt(S, PostStoreKind, L, tag) { |
| 440 | assert(getData2() == nullptr); |
| 441 | setData2(Loc); |
| 442 | } |
| 443 | |
| 444 | |
| 445 | |
| 446 | const void *getLocationValue() const { |
| 447 | return getData2(); |
| 448 | } |
| 449 | |
| 450 | private: |
| 451 | friend class ProgramPoint; |
| 452 | PostStore() = default; |
| 453 | static bool isKind(const ProgramPoint &Location) { |
| 454 | return Location.getKind() == PostStoreKind; |
| 455 | } |
| 456 | }; |
| 457 | |
| 458 | class PostLValue : public PostStmt { |
| 459 | public: |
| 460 | PostLValue(const Stmt *S, const LocationContext *L, |
| 461 | const ProgramPointTag *tag = nullptr) |
| 462 | : PostStmt(S, PostLValueKind, L, tag) {} |
| 463 | |
| 464 | private: |
| 465 | friend class ProgramPoint; |
| 466 | PostLValue() = default; |
| 467 | static bool isKind(const ProgramPoint &Location) { |
| 468 | return Location.getKind() == PostLValueKind; |
| 469 | } |
| 470 | }; |
| 471 | |
| 472 | |
| 473 | |
| 474 | class PreStmtPurgeDeadSymbols : public StmtPoint { |
| 475 | public: |
| 476 | PreStmtPurgeDeadSymbols(const Stmt *S, const LocationContext *L, |
| 477 | const ProgramPointTag *tag = nullptr) |
| 478 | : StmtPoint(S, nullptr, PreStmtPurgeDeadSymbolsKind, L, tag) { } |
| 479 | |
| 480 | private: |
| 481 | friend class ProgramPoint; |
| 482 | PreStmtPurgeDeadSymbols() = default; |
| 483 | static bool isKind(const ProgramPoint &Location) { |
| 484 | return Location.getKind() == PreStmtPurgeDeadSymbolsKind; |
| 485 | } |
| 486 | }; |
| 487 | |
| 488 | |
| 489 | |
| 490 | class PostStmtPurgeDeadSymbols : public StmtPoint { |
| 491 | public: |
| 492 | PostStmtPurgeDeadSymbols(const Stmt *S, const LocationContext *L, |
| 493 | const ProgramPointTag *tag = nullptr) |
| 494 | : StmtPoint(S, nullptr, PostStmtPurgeDeadSymbolsKind, L, tag) { } |
| 495 | |
| 496 | private: |
| 497 | friend class ProgramPoint; |
| 498 | PostStmtPurgeDeadSymbols() = default; |
| 499 | static bool isKind(const ProgramPoint &Location) { |
| 500 | return Location.getKind() == PostStmtPurgeDeadSymbolsKind; |
| 501 | } |
| 502 | }; |
| 503 | |
| 504 | class BlockEdge : public ProgramPoint { |
| 505 | public: |
| 506 | BlockEdge(const CFGBlock *B1, const CFGBlock *B2, const LocationContext *L) |
| 507 | : ProgramPoint(B1, B2, BlockEdgeKind, L) { |
| 508 | (0) . __assert_fail ("B1 && \"BlockEdge. source block must be non-null\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Analysis/ProgramPoint.h", 508, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(B1 && "BlockEdge: source block must be non-null"); |
| 509 | (0) . __assert_fail ("B2 && \"BlockEdge. destination block must be non-null\"", "/home/seafit/code_projects/clang_source/clang/include/clang/Analysis/ProgramPoint.h", 509, __PRETTY_FUNCTION__))" file_link="../../../../include/assert.h.html#88" macro="true">assert(B2 && "BlockEdge: destination block must be non-null"); |
| 510 | } |
| 511 | |
| 512 | const CFGBlock *getSrc() const { |
| 513 | return static_cast<const CFGBlock*>(getData1()); |
| 514 | } |
| 515 | |
| 516 | const CFGBlock *getDst() const { |
| 517 | return static_cast<const CFGBlock*>(getData2()); |
| 518 | } |
| 519 | |
| 520 | private: |
| 521 | friend class ProgramPoint; |
| 522 | BlockEdge() = default; |
| 523 | static bool isKind(const ProgramPoint &Location) { |
| 524 | return Location.getKind() == BlockEdgeKind; |
| 525 | } |
| 526 | }; |
| 527 | |
| 528 | class PostInitializer : public ProgramPoint { |
| 529 | public: |
| 530 | |
| 531 | |
| 532 | |
| 533 | |
| 534 | |
| 535 | PostInitializer(const CXXCtorInitializer *I, |
| 536 | const void *Loc, |
| 537 | const LocationContext *L) |
| 538 | : ProgramPoint(I, Loc, PostInitializerKind, L) {} |
| 539 | |
| 540 | const CXXCtorInitializer *getInitializer() const { |
| 541 | return static_cast<const CXXCtorInitializer *>(getData1()); |
| 542 | } |
| 543 | |
| 544 | |
| 545 | const void *getLocationValue() const { |
| 546 | return getData2(); |
| 547 | } |
| 548 | |
| 549 | private: |
| 550 | friend class ProgramPoint; |
| 551 | PostInitializer() = default; |
| 552 | static bool isKind(const ProgramPoint &Location) { |
| 553 | return Location.getKind() == PostInitializerKind; |
| 554 | } |
| 555 | }; |
| 556 | |
| 557 | |
| 558 | |
| 559 | |
| 560 | class ImplicitCallPoint : public ProgramPoint { |
| 561 | public: |
| 562 | ImplicitCallPoint(const Decl *D, SourceLocation Loc, Kind K, |
| 563 | const LocationContext *L, const ProgramPointTag *Tag) |
| 564 | : ProgramPoint(Loc.getPtrEncoding(), D, K, L, Tag) {} |
| 565 | |
| 566 | const Decl *getDecl() const { return static_cast<const Decl *>(getData2()); } |
| 567 | SourceLocation getLocation() const { |
| 568 | return SourceLocation::getFromPtrEncoding(getData1()); |
| 569 | } |
| 570 | |
| 571 | protected: |
| 572 | ImplicitCallPoint() = default; |
| 573 | private: |
| 574 | friend class ProgramPoint; |
| 575 | static bool isKind(const ProgramPoint &Location) { |
| 576 | return Location.getKind() >= MinImplicitCallKind && |
| 577 | Location.getKind() <= MaxImplicitCallKind; |
| 578 | } |
| 579 | }; |
| 580 | |
| 581 | |
| 582 | |
| 583 | |
| 584 | class PreImplicitCall : public ImplicitCallPoint { |
| 585 | public: |
| 586 | PreImplicitCall(const Decl *D, SourceLocation Loc, const LocationContext *L, |
| 587 | const ProgramPointTag *Tag = nullptr) |
| 588 | : ImplicitCallPoint(D, Loc, PreImplicitCallKind, L, Tag) {} |
| 589 | |
| 590 | private: |
| 591 | friend class ProgramPoint; |
| 592 | PreImplicitCall() = default; |
| 593 | static bool isKind(const ProgramPoint &Location) { |
| 594 | return Location.getKind() == PreImplicitCallKind; |
| 595 | } |
| 596 | }; |
| 597 | |
| 598 | |
| 599 | |
| 600 | |
| 601 | class PostImplicitCall : public ImplicitCallPoint { |
| 602 | public: |
| 603 | PostImplicitCall(const Decl *D, SourceLocation Loc, const LocationContext *L, |
| 604 | const ProgramPointTag *Tag = nullptr) |
| 605 | : ImplicitCallPoint(D, Loc, PostImplicitCallKind, L, Tag) {} |
| 606 | |
| 607 | private: |
| 608 | friend class ProgramPoint; |
| 609 | PostImplicitCall() = default; |
| 610 | static bool isKind(const ProgramPoint &Location) { |
| 611 | return Location.getKind() == PostImplicitCallKind; |
| 612 | } |
| 613 | }; |
| 614 | |
| 615 | class PostAllocatorCall : public StmtPoint { |
| 616 | public: |
| 617 | PostAllocatorCall(const Stmt *S, const LocationContext *L, |
| 618 | const ProgramPointTag *Tag = nullptr) |
| 619 | : StmtPoint(S, nullptr, PostAllocatorCallKind, L, Tag) {} |
| 620 | |
| 621 | private: |
| 622 | friend class ProgramPoint; |
| 623 | PostAllocatorCall() = default; |
| 624 | static bool isKind(const ProgramPoint &Location) { |
| 625 | return Location.getKind() == PostAllocatorCallKind; |
| 626 | } |
| 627 | }; |
| 628 | |
| 629 | |
| 630 | |
| 631 | class CallEnter : public ProgramPoint { |
| 632 | public: |
| 633 | CallEnter(const Stmt *stmt, const StackFrameContext *calleeCtx, |
| 634 | const LocationContext *callerCtx) |
| 635 | : ProgramPoint(stmt, calleeCtx, CallEnterKind, callerCtx, nullptr) {} |
| 636 | |
| 637 | const Stmt *getCallExpr() const { |
| 638 | return static_cast<const Stmt *>(getData1()); |
| 639 | } |
| 640 | |
| 641 | const StackFrameContext *getCalleeContext() const { |
| 642 | return static_cast<const StackFrameContext *>(getData2()); |
| 643 | } |
| 644 | |
| 645 | |
| 646 | const CFGBlock *getEntry() const { |
| 647 | const StackFrameContext *CalleeCtx = getCalleeContext(); |
| 648 | const CFG *CalleeCFG = CalleeCtx->getCFG(); |
| 649 | return &(CalleeCFG->getEntry()); |
| 650 | } |
| 651 | |
| 652 | private: |
| 653 | friend class ProgramPoint; |
| 654 | CallEnter() = default; |
| 655 | static bool isKind(const ProgramPoint &Location) { |
| 656 | return Location.getKind() == CallEnterKind; |
| 657 | } |
| 658 | }; |
| 659 | |
| 660 | |
| 661 | |
| 662 | |
| 663 | |
| 664 | |
| 665 | |
| 666 | |
| 667 | |
| 668 | |
| 669 | class CallExitBegin : public ProgramPoint { |
| 670 | public: |
| 671 | |
| 672 | CallExitBegin(const StackFrameContext *L, const ReturnStmt *RS) |
| 673 | : ProgramPoint(RS, CallExitBeginKind, L, nullptr) { } |
| 674 | |
| 675 | const ReturnStmt *getReturnStmt() const { |
| 676 | return static_cast<const ReturnStmt *>(getData1()); |
| 677 | } |
| 678 | |
| 679 | private: |
| 680 | friend class ProgramPoint; |
| 681 | CallExitBegin() = default; |
| 682 | static bool isKind(const ProgramPoint &Location) { |
| 683 | return Location.getKind() == CallExitBeginKind; |
| 684 | } |
| 685 | }; |
| 686 | |
| 687 | |
| 688 | |
| 689 | class CallExitEnd : public ProgramPoint { |
| 690 | public: |
| 691 | |
| 692 | CallExitEnd(const StackFrameContext *CalleeCtx, |
| 693 | const LocationContext *CallerCtx) |
| 694 | : ProgramPoint(CalleeCtx, CallExitEndKind, CallerCtx, nullptr) {} |
| 695 | |
| 696 | const StackFrameContext *getCalleeContext() const { |
| 697 | return static_cast<const StackFrameContext *>(getData1()); |
| 698 | } |
| 699 | |
| 700 | private: |
| 701 | friend class ProgramPoint; |
| 702 | CallExitEnd() = default; |
| 703 | static bool isKind(const ProgramPoint &Location) { |
| 704 | return Location.getKind() == CallExitEndKind; |
| 705 | } |
| 706 | }; |
| 707 | |
| 708 | |
| 709 | |
| 710 | |
| 711 | |
| 712 | |
| 713 | |
| 714 | class LoopExit : public ProgramPoint { |
| 715 | public: |
| 716 | LoopExit(const Stmt *LoopStmt, const LocationContext *LC) |
| 717 | : ProgramPoint(LoopStmt, nullptr, LoopExitKind, LC) {} |
| 718 | |
| 719 | const Stmt *getLoopStmt() const { |
| 720 | return static_cast<const Stmt *>(getData1()); |
| 721 | } |
| 722 | |
| 723 | private: |
| 724 | friend class ProgramPoint; |
| 725 | LoopExit() = default; |
| 726 | static bool isKind(const ProgramPoint &Location) { |
| 727 | return Location.getKind() == LoopExitKind; |
| 728 | } |
| 729 | }; |
| 730 | |
| 731 | |
| 732 | |
| 733 | class EpsilonPoint : public ProgramPoint { |
| 734 | public: |
| 735 | EpsilonPoint(const LocationContext *L, const void *Data1, |
| 736 | const void *Data2 = nullptr, |
| 737 | const ProgramPointTag *tag = nullptr) |
| 738 | : ProgramPoint(Data1, Data2, EpsilonKind, L, tag) {} |
| 739 | |
| 740 | const void *getData() const { return getData1(); } |
| 741 | |
| 742 | private: |
| 743 | friend class ProgramPoint; |
| 744 | EpsilonPoint() = default; |
| 745 | static bool isKind(const ProgramPoint &Location) { |
| 746 | return Location.getKind() == EpsilonKind; |
| 747 | } |
| 748 | }; |
| 749 | |
| 750 | } |
| 751 | |
| 752 | |
| 753 | namespace llvm { |
| 754 | |
| 755 | template <> struct DenseMapInfo<clang::ProgramPoint> { |
| 756 | |
| 757 | static inline clang::ProgramPoint getEmptyKey() { |
| 758 | uintptr_t x = |
| 759 | reinterpret_cast<uintptr_t>(DenseMapInfo<void*>::getEmptyKey()) & ~0x7; |
| 760 | return clang::BlockEntrance(reinterpret_cast<clang::CFGBlock*>(x), nullptr); |
| 761 | } |
| 762 | |
| 763 | static inline clang::ProgramPoint getTombstoneKey() { |
| 764 | uintptr_t x = |
| 765 | reinterpret_cast<uintptr_t>(DenseMapInfo<void*>::getTombstoneKey()) & ~0x7; |
| 766 | return clang::BlockEntrance(reinterpret_cast<clang::CFGBlock*>(x), nullptr); |
| 767 | } |
| 768 | |
| 769 | static unsigned getHashValue(const clang::ProgramPoint &Loc) { |
| 770 | return Loc.getHashValue(); |
| 771 | } |
| 772 | |
| 773 | static bool isEqual(const clang::ProgramPoint &L, |
| 774 | const clang::ProgramPoint &R) { |
| 775 | return L == R; |
| 776 | } |
| 777 | |
| 778 | }; |
| 779 | |
| 780 | } |
| 781 | |
| 782 | #endif |
| 783 | |