1 //===- CheckerManager.cpp - Static Analyzer Checker Manager ---------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Defines the Static Analyzer Checker Manager.
12 //===----------------------------------------------------------------------===//
14 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
15 #include "clang/AST/DeclBase.h"
16 #include "clang/AST/Stmt.h"
17 #include "clang/Analysis/ProgramPoint.h"
18 #include "clang/Basic/LLVM.h"
19 #include "clang/StaticAnalyzer/Core/Checker.h"
20 #include "clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h"
21 #include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
22 #include "clang/StaticAnalyzer/Core/PathSensitive/CoreEngine.h"
23 #include "clang/StaticAnalyzer/Core/PathSensitive/ExprEngine.h"
24 #include "clang/StaticAnalyzer/Core/PathSensitive/SVals.h"
25 #include "llvm/ADT/SmallVector.h"
26 #include "llvm/Support/Casting.h"
27 #include "llvm/Support/ErrorHandling.h"
31 using namespace clang;
34 bool CheckerManager::hasPathSensitiveCheckers() const {
35 return !StmtCheckers.empty() ||
36 !PreObjCMessageCheckers.empty() ||
37 !PostObjCMessageCheckers.empty() ||
38 !PreCallCheckers.empty() ||
39 !PostCallCheckers.empty() ||
40 !LocationCheckers.empty() ||
41 !BindCheckers.empty() ||
42 !EndAnalysisCheckers.empty() ||
43 !EndFunctionCheckers.empty() ||
44 !BranchConditionCheckers.empty() ||
45 !LiveSymbolsCheckers.empty() ||
46 !DeadSymbolsCheckers.empty() ||
47 !RegionChangesCheckers.empty() ||
48 !EvalAssumeCheckers.empty() ||
49 !EvalCallCheckers.empty();
52 void CheckerManager::finishedCheckerRegistration() {
54 // Make sure that for every event that has listeners, there is at least
55 // one dispatcher registered for it.
56 for (const auto &Event : Events)
57 assert(Event.second.HasDispatcher &&
58 "No dispatcher registered for an event");
62 //===----------------------------------------------------------------------===//
63 // Functions for running checkers for AST traversing..
64 //===----------------------------------------------------------------------===//
66 void CheckerManager::runCheckersOnASTDecl(const Decl *D, AnalysisManager& mgr,
70 unsigned DeclKind = D->getKind();
71 CachedDeclCheckers *checkers = nullptr;
72 CachedDeclCheckersMapTy::iterator CCI = CachedDeclCheckersMap.find(DeclKind);
73 if (CCI != CachedDeclCheckersMap.end()) {
74 checkers = &(CCI->second);
76 // Find the checkers that should run for this Decl and cache them.
77 checkers = &CachedDeclCheckersMap[DeclKind];
78 for (const auto &info : DeclCheckers)
79 if (info.IsForDeclFn(D))
80 checkers->push_back(info.CheckFn);
84 for (const auto checker : *checkers)
88 void CheckerManager::runCheckersOnASTBody(const Decl *D, AnalysisManager& mgr,
90 assert(D && D->hasBody());
92 for (const auto BodyChecker : BodyCheckers)
93 BodyChecker(D, mgr, BR);
96 //===----------------------------------------------------------------------===//
97 // Functions for running checkers for path-sensitive checking.
98 //===----------------------------------------------------------------------===//
100 template <typename CHECK_CTX>
101 static void expandGraphWithCheckers(CHECK_CTX checkCtx,
102 ExplodedNodeSet &Dst,
103 const ExplodedNodeSet &Src) {
104 const NodeBuilderContext &BldrCtx = checkCtx.Eng.getBuilderContext();
108 typename CHECK_CTX::CheckersTy::const_iterator
109 I = checkCtx.checkers_begin(), E = checkCtx.checkers_end();
115 ExplodedNodeSet Tmp1, Tmp2;
116 const ExplodedNodeSet *PrevSet = &Src;
118 for (; I != E; ++I) {
119 ExplodedNodeSet *CurrSet = nullptr;
123 CurrSet = (PrevSet == &Tmp1) ? &Tmp2 : &Tmp1;
127 NodeBuilder B(*PrevSet, *CurrSet, BldrCtx);
128 for (const auto &NI : *PrevSet)
129 checkCtx.runChecker(*I, B, NI);
131 // If all the produced transitions are sinks, stop.
132 if (CurrSet->empty())
135 // Update which NodeSet is the current one.
142 struct CheckStmtContext {
143 using CheckersTy = SmallVectorImpl<CheckerManager::CheckStmtFunc>;
146 const CheckersTy &Checkers;
151 CheckStmtContext(bool isPreVisit, const CheckersTy &checkers,
152 const Stmt *s, ExprEngine &eng, bool wasInlined = false)
153 : IsPreVisit(isPreVisit), Checkers(checkers), S(s), Eng(eng),
154 WasInlined(wasInlined) {}
156 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
157 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
159 void runChecker(CheckerManager::CheckStmtFunc checkFn,
160 NodeBuilder &Bldr, ExplodedNode *Pred) {
161 // FIXME: Remove respondsToCallback from CheckerContext;
162 ProgramPoint::Kind K = IsPreVisit ? ProgramPoint::PreStmtKind :
163 ProgramPoint::PostStmtKind;
164 const ProgramPoint &L = ProgramPoint::getProgramPoint(S, K,
165 Pred->getLocationContext(), checkFn.Checker);
166 CheckerContext C(Bldr, Eng, Pred, L, WasInlined);
173 /// Run checkers for visiting Stmts.
174 void CheckerManager::runCheckersForStmt(bool isPreVisit,
175 ExplodedNodeSet &Dst,
176 const ExplodedNodeSet &Src,
180 CheckStmtContext C(isPreVisit, getCachedStmtCheckersFor(S, isPreVisit),
182 expandGraphWithCheckers(C, Dst, Src);
187 struct CheckObjCMessageContext {
188 using CheckersTy = std::vector<CheckerManager::CheckObjCMessageFunc>;
190 ObjCMessageVisitKind Kind;
192 const CheckersTy &Checkers;
193 const ObjCMethodCall &Msg;
196 CheckObjCMessageContext(ObjCMessageVisitKind visitKind,
197 const CheckersTy &checkers,
198 const ObjCMethodCall &msg, ExprEngine &eng,
200 : Kind(visitKind), WasInlined(wasInlined), Checkers(checkers), Msg(msg),
203 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
204 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
206 void runChecker(CheckerManager::CheckObjCMessageFunc checkFn,
207 NodeBuilder &Bldr, ExplodedNode *Pred) {
211 case ObjCMessageVisitKind::Pre:
214 case ObjCMessageVisitKind::MessageNil:
215 case ObjCMessageVisitKind::Post:
220 const ProgramPoint &L = Msg.getProgramPoint(IsPreVisit,checkFn.Checker);
221 CheckerContext C(Bldr, Eng, Pred, L, WasInlined);
223 checkFn(*Msg.cloneWithState<ObjCMethodCall>(Pred->getState()), C);
229 /// Run checkers for visiting obj-c messages.
230 void CheckerManager::runCheckersForObjCMessage(ObjCMessageVisitKind visitKind,
231 ExplodedNodeSet &Dst,
232 const ExplodedNodeSet &Src,
233 const ObjCMethodCall &msg,
236 auto &checkers = getObjCMessageCheckers(visitKind);
237 CheckObjCMessageContext C(visitKind, checkers, msg, Eng, WasInlined);
238 expandGraphWithCheckers(C, Dst, Src);
241 const std::vector<CheckerManager::CheckObjCMessageFunc> &
242 CheckerManager::getObjCMessageCheckers(ObjCMessageVisitKind Kind) {
244 case ObjCMessageVisitKind::Pre:
245 return PreObjCMessageCheckers;
247 case ObjCMessageVisitKind::Post:
248 return PostObjCMessageCheckers;
249 case ObjCMessageVisitKind::MessageNil:
250 return ObjCMessageNilCheckers;
252 llvm_unreachable("Unknown Kind");
257 // FIXME: This has all the same signatures as CheckObjCMessageContext.
258 // Is there a way we can merge the two?
259 struct CheckCallContext {
260 using CheckersTy = std::vector<CheckerManager::CheckCallFunc>;
262 bool IsPreVisit, WasInlined;
263 const CheckersTy &Checkers;
264 const CallEvent &Call;
267 CheckCallContext(bool isPreVisit, const CheckersTy &checkers,
268 const CallEvent &call, ExprEngine &eng,
270 : IsPreVisit(isPreVisit), WasInlined(wasInlined), Checkers(checkers),
271 Call(call), Eng(eng) {}
273 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
274 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
276 void runChecker(CheckerManager::CheckCallFunc checkFn,
277 NodeBuilder &Bldr, ExplodedNode *Pred) {
278 const ProgramPoint &L = Call.getProgramPoint(IsPreVisit,checkFn.Checker);
279 CheckerContext C(Bldr, Eng, Pred, L, WasInlined);
281 checkFn(*Call.cloneWithState(Pred->getState()), C);
287 /// Run checkers for visiting an abstract call event.
288 void CheckerManager::runCheckersForCallEvent(bool isPreVisit,
289 ExplodedNodeSet &Dst,
290 const ExplodedNodeSet &Src,
291 const CallEvent &Call,
294 CheckCallContext C(isPreVisit,
295 isPreVisit ? PreCallCheckers
297 Call, Eng, WasInlined);
298 expandGraphWithCheckers(C, Dst, Src);
303 struct CheckLocationContext {
304 using CheckersTy = std::vector<CheckerManager::CheckLocationFunc>;
306 const CheckersTy &Checkers;
309 const Stmt *NodeEx; /* Will become a CFGStmt */
313 CheckLocationContext(const CheckersTy &checkers,
314 SVal loc, bool isLoad, const Stmt *NodeEx,
317 : Checkers(checkers), Loc(loc), IsLoad(isLoad), NodeEx(NodeEx),
318 BoundEx(BoundEx), Eng(eng) {}
320 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
321 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
323 void runChecker(CheckerManager::CheckLocationFunc checkFn,
324 NodeBuilder &Bldr, ExplodedNode *Pred) {
325 ProgramPoint::Kind K = IsLoad ? ProgramPoint::PreLoadKind :
326 ProgramPoint::PreStoreKind;
327 const ProgramPoint &L =
328 ProgramPoint::getProgramPoint(NodeEx, K,
329 Pred->getLocationContext(),
331 CheckerContext C(Bldr, Eng, Pred, L);
332 checkFn(Loc, IsLoad, BoundEx, C);
338 /// Run checkers for load/store of a location.
340 void CheckerManager::runCheckersForLocation(ExplodedNodeSet &Dst,
341 const ExplodedNodeSet &Src,
342 SVal location, bool isLoad,
346 CheckLocationContext C(LocationCheckers, location, isLoad, NodeEx,
348 expandGraphWithCheckers(C, Dst, Src);
353 struct CheckBindContext {
354 using CheckersTy = std::vector<CheckerManager::CheckBindFunc>;
356 const CheckersTy &Checkers;
361 const ProgramPoint &PP;
363 CheckBindContext(const CheckersTy &checkers,
364 SVal loc, SVal val, const Stmt *s, ExprEngine &eng,
365 const ProgramPoint &pp)
366 : Checkers(checkers), Loc(loc), Val(val), S(s), Eng(eng), PP(pp) {}
368 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
369 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
371 void runChecker(CheckerManager::CheckBindFunc checkFn,
372 NodeBuilder &Bldr, ExplodedNode *Pred) {
373 const ProgramPoint &L = PP.withTag(checkFn.Checker);
374 CheckerContext C(Bldr, Eng, Pred, L);
376 checkFn(Loc, Val, S, C);
382 /// Run checkers for binding of a value to a location.
383 void CheckerManager::runCheckersForBind(ExplodedNodeSet &Dst,
384 const ExplodedNodeSet &Src,
385 SVal location, SVal val,
386 const Stmt *S, ExprEngine &Eng,
387 const ProgramPoint &PP) {
388 CheckBindContext C(BindCheckers, location, val, S, Eng, PP);
389 expandGraphWithCheckers(C, Dst, Src);
392 void CheckerManager::runCheckersForEndAnalysis(ExplodedGraph &G,
395 for (const auto EndAnalysisChecker : EndAnalysisCheckers)
396 EndAnalysisChecker(G, BR, Eng);
401 struct CheckBeginFunctionContext {
402 using CheckersTy = std::vector<CheckerManager::CheckBeginFunctionFunc>;
404 const CheckersTy &Checkers;
406 const ProgramPoint &PP;
408 CheckBeginFunctionContext(const CheckersTy &Checkers, ExprEngine &Eng,
409 const ProgramPoint &PP)
410 : Checkers(Checkers), Eng(Eng), PP(PP) {}
412 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
413 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
415 void runChecker(CheckerManager::CheckBeginFunctionFunc checkFn,
416 NodeBuilder &Bldr, ExplodedNode *Pred) {
417 const ProgramPoint &L = PP.withTag(checkFn.Checker);
418 CheckerContext C(Bldr, Eng, Pred, L);
426 void CheckerManager::runCheckersForBeginFunction(ExplodedNodeSet &Dst,
432 CheckBeginFunctionContext C(BeginFunctionCheckers, Eng, L);
433 expandGraphWithCheckers(C, Dst, Src);
436 /// Run checkers for end of path.
437 // Note, We do not chain the checker output (like in expandGraphWithCheckers)
438 // for this callback since end of path nodes are expected to be final.
439 void CheckerManager::runCheckersForEndFunction(NodeBuilderContext &BC,
440 ExplodedNodeSet &Dst,
443 const ReturnStmt *RS) {
444 // We define the builder outside of the loop bacause if at least one checkers
445 // creates a sucsessor for Pred, we do not need to generate an
446 // autotransition for it.
447 NodeBuilder Bldr(Pred, Dst, BC);
448 for (const auto checkFn : EndFunctionCheckers) {
449 const ProgramPoint &L = BlockEntrance(BC.Block,
450 Pred->getLocationContext(),
452 CheckerContext C(Bldr, Eng, Pred, L);
459 struct CheckBranchConditionContext {
460 using CheckersTy = std::vector<CheckerManager::CheckBranchConditionFunc>;
462 const CheckersTy &Checkers;
463 const Stmt *Condition;
466 CheckBranchConditionContext(const CheckersTy &checkers,
467 const Stmt *Cond, ExprEngine &eng)
468 : Checkers(checkers), Condition(Cond), Eng(eng) {}
470 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
471 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
473 void runChecker(CheckerManager::CheckBranchConditionFunc checkFn,
474 NodeBuilder &Bldr, ExplodedNode *Pred) {
475 ProgramPoint L = PostCondition(Condition, Pred->getLocationContext(),
477 CheckerContext C(Bldr, Eng, Pred, L);
478 checkFn(Condition, C);
484 /// Run checkers for branch condition.
485 void CheckerManager::runCheckersForBranchCondition(const Stmt *Condition,
486 ExplodedNodeSet &Dst,
491 CheckBranchConditionContext C(BranchConditionCheckers, Condition, Eng);
492 expandGraphWithCheckers(C, Dst, Src);
497 struct CheckNewAllocatorContext {
498 using CheckersTy = std::vector<CheckerManager::CheckNewAllocatorFunc>;
500 const CheckersTy &Checkers;
501 const CXXNewExpr *NE;
506 CheckNewAllocatorContext(const CheckersTy &Checkers, const CXXNewExpr *NE,
507 SVal Target, bool WasInlined, ExprEngine &Eng)
508 : Checkers(Checkers), NE(NE), Target(Target), WasInlined(WasInlined),
511 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
512 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
514 void runChecker(CheckerManager::CheckNewAllocatorFunc checkFn,
515 NodeBuilder &Bldr, ExplodedNode *Pred) {
516 ProgramPoint L = PostAllocatorCall(NE, Pred->getLocationContext());
517 CheckerContext C(Bldr, Eng, Pred, L, WasInlined);
518 checkFn(NE, Target, C);
524 void CheckerManager::runCheckersForNewAllocator(
525 const CXXNewExpr *NE, SVal Target, ExplodedNodeSet &Dst, ExplodedNode *Pred,
526 ExprEngine &Eng, bool WasInlined) {
529 CheckNewAllocatorContext C(NewAllocatorCheckers, NE, Target, WasInlined, Eng);
530 expandGraphWithCheckers(C, Dst, Src);
533 /// Run checkers for live symbols.
534 void CheckerManager::runCheckersForLiveSymbols(ProgramStateRef state,
535 SymbolReaper &SymReaper) {
536 for (const auto LiveSymbolsChecker : LiveSymbolsCheckers)
537 LiveSymbolsChecker(state, SymReaper);
542 struct CheckDeadSymbolsContext {
543 using CheckersTy = std::vector<CheckerManager::CheckDeadSymbolsFunc>;
545 const CheckersTy &Checkers;
549 ProgramPoint::Kind ProgarmPointKind;
551 CheckDeadSymbolsContext(const CheckersTy &checkers, SymbolReaper &sr,
552 const Stmt *s, ExprEngine &eng,
553 ProgramPoint::Kind K)
554 : Checkers(checkers), SR(sr), S(s), Eng(eng), ProgarmPointKind(K) {}
556 CheckersTy::const_iterator checkers_begin() { return Checkers.begin(); }
557 CheckersTy::const_iterator checkers_end() { return Checkers.end(); }
559 void runChecker(CheckerManager::CheckDeadSymbolsFunc checkFn,
560 NodeBuilder &Bldr, ExplodedNode *Pred) {
561 const ProgramPoint &L = ProgramPoint::getProgramPoint(S, ProgarmPointKind,
562 Pred->getLocationContext(), checkFn.Checker);
563 CheckerContext C(Bldr, Eng, Pred, L);
565 // Note, do not pass the statement to the checkers without letting them
566 // differentiate if we ran remove dead bindings before or after the
574 /// Run checkers for dead symbols.
575 void CheckerManager::runCheckersForDeadSymbols(ExplodedNodeSet &Dst,
576 const ExplodedNodeSet &Src,
577 SymbolReaper &SymReaper,
580 ProgramPoint::Kind K) {
581 CheckDeadSymbolsContext C(DeadSymbolsCheckers, SymReaper, S, Eng, K);
582 expandGraphWithCheckers(C, Dst, Src);
585 /// Run checkers for region changes.
587 CheckerManager::runCheckersForRegionChanges(ProgramStateRef state,
588 const InvalidatedSymbols *invalidated,
589 ArrayRef<const MemRegion *> ExplicitRegions,
590 ArrayRef<const MemRegion *> Regions,
591 const LocationContext *LCtx,
592 const CallEvent *Call) {
593 for (const auto RegionChangesChecker : RegionChangesCheckers) {
594 // If any checker declares the state infeasible (or if it starts that way),
598 state = RegionChangesChecker(state, invalidated, ExplicitRegions, Regions,
604 /// Run checkers to process symbol escape event.
606 CheckerManager::runCheckersForPointerEscape(ProgramStateRef State,
607 const InvalidatedSymbols &Escaped,
608 const CallEvent *Call,
609 PointerEscapeKind Kind,
610 RegionAndSymbolInvalidationTraits *ETraits) {
611 assert((Call != nullptr ||
612 (Kind != PSK_DirectEscapeOnCall &&
613 Kind != PSK_IndirectEscapeOnCall)) &&
614 "Call must not be NULL when escaping on call");
615 for (const auto PointerEscapeChecker : PointerEscapeCheckers) {
616 // If any checker declares the state infeasible (or if it starts that
620 State = PointerEscapeChecker(State, Escaped, Call, Kind, ETraits);
625 /// Run checkers for handling assumptions on symbolic values.
627 CheckerManager::runCheckersForEvalAssume(ProgramStateRef state,
628 SVal Cond, bool Assumption) {
629 for (const auto EvalAssumeChecker : EvalAssumeCheckers) {
630 // If any checker declares the state infeasible (or if it starts that way),
634 state = EvalAssumeChecker(state, Cond, Assumption);
639 /// Run checkers for evaluating a call.
640 /// Only one checker will evaluate the call.
641 void CheckerManager::runCheckersForEvalCall(ExplodedNodeSet &Dst,
642 const ExplodedNodeSet &Src,
643 const CallEvent &Call,
645 const CallExpr *CE = cast<CallExpr>(Call.getOriginExpr());
646 for (const auto Pred : Src) {
647 bool anyEvaluated = false;
649 ExplodedNodeSet checkDst;
650 NodeBuilder B(Pred, checkDst, Eng.getBuilderContext());
652 // Check if any of the EvalCall callbacks can evaluate the call.
653 for (const auto EvalCallChecker : EvalCallCheckers) {
654 ProgramPoint::Kind K = ProgramPoint::PostStmtKind;
655 const ProgramPoint &L =
656 ProgramPoint::getProgramPoint(CE, K, Pred->getLocationContext(),
657 EvalCallChecker.Checker);
658 bool evaluated = false;
659 { // CheckerContext generates transitions(populates checkDest) on
660 // destruction, so introduce the scope to make sure it gets properly
662 CheckerContext C(B, Eng, Pred, L);
663 evaluated = EvalCallChecker(CE, C);
665 assert(!(evaluated && anyEvaluated)
666 && "There are more than one checkers evaluating the call");
669 Dst.insert(checkDst);
671 break; // on release don't check that no other checker also evals.
676 // If none of the checkers evaluated the call, ask ExprEngine to handle it.
678 NodeBuilder B(Pred, Dst, Eng.getBuilderContext());
679 Eng.defaultEvalCall(B, Pred, Call);
684 /// Run checkers for the entire Translation Unit.
685 void CheckerManager::runCheckersOnEndOfTranslationUnit(
686 const TranslationUnitDecl *TU,
687 AnalysisManager &mgr,
689 for (const auto EndOfTranslationUnitChecker : EndOfTranslationUnitCheckers)
690 EndOfTranslationUnitChecker(TU, mgr, BR);
693 void CheckerManager::runCheckersForPrintState(raw_ostream &Out,
694 ProgramStateRef State,
695 const char *NL, const char *Sep) {
696 for (const auto &CheckerTag : CheckerTags)
697 CheckerTag.second->printState(Out, State, NL, Sep);
700 //===----------------------------------------------------------------------===//
701 // Internal registration functions for AST traversing.
702 //===----------------------------------------------------------------------===//
704 void CheckerManager::_registerForDecl(CheckDeclFunc checkfn,
705 HandlesDeclFunc isForDeclFn) {
706 DeclCheckerInfo info = { checkfn, isForDeclFn };
707 DeclCheckers.push_back(info);
710 void CheckerManager::_registerForBody(CheckDeclFunc checkfn) {
711 BodyCheckers.push_back(checkfn);
714 //===----------------------------------------------------------------------===//
715 // Internal registration functions for path-sensitive checking.
716 //===----------------------------------------------------------------------===//
718 void CheckerManager::_registerForPreStmt(CheckStmtFunc checkfn,
719 HandlesStmtFunc isForStmtFn) {
720 StmtCheckerInfo info = { checkfn, isForStmtFn, /*IsPreVisit*/true };
721 StmtCheckers.push_back(info);
724 void CheckerManager::_registerForPostStmt(CheckStmtFunc checkfn,
725 HandlesStmtFunc isForStmtFn) {
726 StmtCheckerInfo info = { checkfn, isForStmtFn, /*IsPreVisit*/false };
727 StmtCheckers.push_back(info);
730 void CheckerManager::_registerForPreObjCMessage(CheckObjCMessageFunc checkfn) {
731 PreObjCMessageCheckers.push_back(checkfn);
734 void CheckerManager::_registerForObjCMessageNil(CheckObjCMessageFunc checkfn) {
735 ObjCMessageNilCheckers.push_back(checkfn);
738 void CheckerManager::_registerForPostObjCMessage(CheckObjCMessageFunc checkfn) {
739 PostObjCMessageCheckers.push_back(checkfn);
742 void CheckerManager::_registerForPreCall(CheckCallFunc checkfn) {
743 PreCallCheckers.push_back(checkfn);
745 void CheckerManager::_registerForPostCall(CheckCallFunc checkfn) {
746 PostCallCheckers.push_back(checkfn);
749 void CheckerManager::_registerForLocation(CheckLocationFunc checkfn) {
750 LocationCheckers.push_back(checkfn);
753 void CheckerManager::_registerForBind(CheckBindFunc checkfn) {
754 BindCheckers.push_back(checkfn);
757 void CheckerManager::_registerForEndAnalysis(CheckEndAnalysisFunc checkfn) {
758 EndAnalysisCheckers.push_back(checkfn);
761 void CheckerManager::_registerForBeginFunction(CheckBeginFunctionFunc checkfn) {
762 BeginFunctionCheckers.push_back(checkfn);
765 void CheckerManager::_registerForEndFunction(CheckEndFunctionFunc checkfn) {
766 EndFunctionCheckers.push_back(checkfn);
769 void CheckerManager::_registerForBranchCondition(
770 CheckBranchConditionFunc checkfn) {
771 BranchConditionCheckers.push_back(checkfn);
774 void CheckerManager::_registerForNewAllocator(CheckNewAllocatorFunc checkfn) {
775 NewAllocatorCheckers.push_back(checkfn);
778 void CheckerManager::_registerForLiveSymbols(CheckLiveSymbolsFunc checkfn) {
779 LiveSymbolsCheckers.push_back(checkfn);
782 void CheckerManager::_registerForDeadSymbols(CheckDeadSymbolsFunc checkfn) {
783 DeadSymbolsCheckers.push_back(checkfn);
786 void CheckerManager::_registerForRegionChanges(CheckRegionChangesFunc checkfn) {
787 RegionChangesCheckers.push_back(checkfn);
790 void CheckerManager::_registerForPointerEscape(CheckPointerEscapeFunc checkfn){
791 PointerEscapeCheckers.push_back(checkfn);
794 void CheckerManager::_registerForConstPointerEscape(
795 CheckPointerEscapeFunc checkfn) {
796 PointerEscapeCheckers.push_back(checkfn);
799 void CheckerManager::_registerForEvalAssume(EvalAssumeFunc checkfn) {
800 EvalAssumeCheckers.push_back(checkfn);
803 void CheckerManager::_registerForEvalCall(EvalCallFunc checkfn) {
804 EvalCallCheckers.push_back(checkfn);
807 void CheckerManager::_registerForEndOfTranslationUnit(
808 CheckEndOfTranslationUnit checkfn) {
809 EndOfTranslationUnitCheckers.push_back(checkfn);
812 //===----------------------------------------------------------------------===//
813 // Implementation details.
814 //===----------------------------------------------------------------------===//
816 const CheckerManager::CachedStmtCheckers &
817 CheckerManager::getCachedStmtCheckersFor(const Stmt *S, bool isPreVisit) {
820 unsigned Key = (S->getStmtClass() << 1) | unsigned(isPreVisit);
821 CachedStmtCheckersMapTy::iterator CCI = CachedStmtCheckersMap.find(Key);
822 if (CCI != CachedStmtCheckersMap.end())
825 // Find the checkers that should run for this Stmt and cache them.
826 CachedStmtCheckers &Checkers = CachedStmtCheckersMap[Key];
827 for (const auto &Info : StmtCheckers)
828 if (Info.IsPreVisit == isPreVisit && Info.IsForStmtFn(S))
829 Checkers.push_back(Info.CheckFn);
833 CheckerManager::~CheckerManager() {
834 for (const auto CheckerDtor : CheckerDtors)