clang  6.0.0svn
CheckerManager.h
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1 //===--- CheckerManager.h - Static Analyzer Checker Manager -----*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // Defines the Static Analyzer Checker Manager.
11 //
12 //===----------------------------------------------------------------------===//
13 
14 #ifndef LLVM_CLANG_STATICANALYZER_CORE_CHECKERMANAGER_H
15 #define LLVM_CLANG_STATICANALYZER_CORE_CHECKERMANAGER_H
16 
21 #include "llvm/ADT/DenseMap.h"
22 #include "llvm/ADT/SmallVector.h"
23 #include <utility>
24 #include <vector>
25 
26 namespace clang {
27  class Decl;
28  class Stmt;
29  class CallExpr;
30 
31 namespace ento {
32  class CheckerBase;
33  class CheckerRegistry;
34  class ExprEngine;
35  class AnalysisManager;
36  class BugReporter;
37  class CheckerContext;
38  class ObjCMethodCall;
39  class SVal;
40  class ExplodedNode;
41  class ExplodedNodeSet;
42  class ExplodedGraph;
43  class ProgramState;
44  class NodeBuilder;
45  struct NodeBuilderContext;
46  class MemRegion;
47  class SymbolReaper;
48 
49 template <typename T> class CheckerFn;
50 
51 template <typename RET, typename... Ps>
52 class CheckerFn<RET(Ps...)> {
53  typedef RET (*Func)(void *, Ps...);
54  Func Fn;
55 public:
57  CheckerFn(CheckerBase *checker, Func fn) : Fn(fn), Checker(checker) { }
58  RET operator()(Ps... ps) const {
59  return Fn(Checker, ps...);
60  }
61 };
62 
63 /// \brief Describes the different reasons a pointer escapes
64 /// during analysis.
66  /// A pointer escapes due to binding its value to a location
67  /// that the analyzer cannot track.
69 
70  /// The pointer has been passed to a function call directly.
72 
73  /// The pointer has been passed to a function indirectly.
74  /// For example, the pointer is accessible through an
75  /// argument to a function.
77 
78  /// The reason for pointer escape is unknown. For example,
79  /// a region containing this pointer is invalidated.
81 };
82 
83 // This wrapper is used to ensure that only StringRefs originating from the
84 // CheckerRegistry are used as check names. We want to make sure all check
85 // name strings have a lifetime that keeps them alive at least until the path
86 // diagnostics have been processed.
87 class CheckName {
88  StringRef Name;
89  friend class ::clang::ento::CheckerRegistry;
90  explicit CheckName(StringRef Name) : Name(Name) {}
91 
92 public:
93  CheckName() = default;
94  StringRef getName() const { return Name; }
95 };
96 
98  Pre,
99  Post,
100  MessageNil
101 };
102 
104  const LangOptions LangOpts;
105  AnalyzerOptions &AOptions;
106  CheckName CurrentCheckName;
107 
108 public:
109  CheckerManager(const LangOptions &langOpts, AnalyzerOptions &AOptions)
110  : LangOpts(langOpts), AOptions(AOptions) {}
111 
112  ~CheckerManager();
113 
114  void setCurrentCheckName(CheckName name) { CurrentCheckName = name; }
115  CheckName getCurrentCheckName() const { return CurrentCheckName; }
116 
117  bool hasPathSensitiveCheckers() const;
118 
119  void finishedCheckerRegistration();
120 
121  const LangOptions &getLangOpts() const { return LangOpts; }
122  AnalyzerOptions &getAnalyzerOptions() { return AOptions; }
123 
125  typedef const void *CheckerTag;
127 
128 //===----------------------------------------------------------------------===//
129 // registerChecker
130 //===----------------------------------------------------------------------===//
131 
132  /// \brief Used to register checkers.
133  ///
134  /// \returns a pointer to the checker object.
135  template <typename CHECKER>
137  CheckerTag tag = getTag<CHECKER>();
138  CheckerRef &ref = CheckerTags[tag];
139  if (ref)
140  return static_cast<CHECKER *>(ref); // already registered.
141 
142  CHECKER *checker = new CHECKER();
143  checker->Name = CurrentCheckName;
144  CheckerDtors.push_back(CheckerDtor(checker, destruct<CHECKER>));
145  CHECKER::_register(checker, *this);
146  ref = checker;
147  return checker;
148  }
149 
150  template <typename CHECKER>
152  CheckerTag tag = getTag<CHECKER>();
153  CheckerRef &ref = CheckerTags[tag];
154  if (ref)
155  return static_cast<CHECKER *>(ref); // already registered.
156 
157  CHECKER *checker = new CHECKER(AOpts);
158  checker->Name = CurrentCheckName;
159  CheckerDtors.push_back(CheckerDtor(checker, destruct<CHECKER>));
160  CHECKER::_register(checker, *this);
161  ref = checker;
162  return checker;
163  }
164 
165 //===----------------------------------------------------------------------===//
166 // Functions for running checkers for AST traversing..
167 //===----------------------------------------------------------------------===//
168 
169  /// \brief Run checkers handling Decls.
170  void runCheckersOnASTDecl(const Decl *D, AnalysisManager& mgr,
171  BugReporter &BR);
172 
173  /// \brief Run checkers handling Decls containing a Stmt body.
174  void runCheckersOnASTBody(const Decl *D, AnalysisManager& mgr,
175  BugReporter &BR);
176 
177 //===----------------------------------------------------------------------===//
178 // Functions for running checkers for path-sensitive checking.
179 //===----------------------------------------------------------------------===//
180 
181  /// \brief Run checkers for pre-visiting Stmts.
182  ///
183  /// The notification is performed for every explored CFGElement, which does
184  /// not include the control flow statements such as IfStmt.
185  ///
186  /// \sa runCheckersForBranchCondition, runCheckersForPostStmt
188  const ExplodedNodeSet &Src,
189  const Stmt *S,
190  ExprEngine &Eng) {
191  runCheckersForStmt(/*isPreVisit=*/true, Dst, Src, S, Eng);
192  }
193 
194  /// \brief Run checkers for post-visiting Stmts.
195  ///
196  /// The notification is performed for every explored CFGElement, which does
197  /// not include the control flow statements such as IfStmt.
198  ///
199  /// \sa runCheckersForBranchCondition, runCheckersForPreStmt
201  const ExplodedNodeSet &Src,
202  const Stmt *S,
203  ExprEngine &Eng,
204  bool wasInlined = false) {
205  runCheckersForStmt(/*isPreVisit=*/false, Dst, Src, S, Eng, wasInlined);
206  }
207 
208  /// \brief Run checkers for visiting Stmts.
209  void runCheckersForStmt(bool isPreVisit,
210  ExplodedNodeSet &Dst, const ExplodedNodeSet &Src,
211  const Stmt *S, ExprEngine &Eng,
212  bool wasInlined = false);
213 
214  /// \brief Run checkers for pre-visiting obj-c messages.
216  const ExplodedNodeSet &Src,
217  const ObjCMethodCall &msg,
218  ExprEngine &Eng) {
219  runCheckersForObjCMessage(ObjCMessageVisitKind::Pre, Dst, Src, msg, Eng);
220  }
221 
222  /// \brief Run checkers for post-visiting obj-c messages.
224  const ExplodedNodeSet &Src,
225  const ObjCMethodCall &msg,
226  ExprEngine &Eng,
227  bool wasInlined = false) {
228  runCheckersForObjCMessage(ObjCMessageVisitKind::Post, Dst, Src, msg, Eng,
229  wasInlined);
230  }
231 
232  /// \brief Run checkers for visiting an obj-c message to nil.
234  const ExplodedNodeSet &Src,
235  const ObjCMethodCall &msg,
236  ExprEngine &Eng) {
237  runCheckersForObjCMessage(ObjCMessageVisitKind::MessageNil, Dst, Src, msg,
238  Eng);
239  }
240 
241 
242  /// \brief Run checkers for visiting obj-c messages.
243  void runCheckersForObjCMessage(ObjCMessageVisitKind visitKind,
244  ExplodedNodeSet &Dst,
245  const ExplodedNodeSet &Src,
246  const ObjCMethodCall &msg, ExprEngine &Eng,
247  bool wasInlined = false);
248 
249  /// \brief Run checkers for pre-visiting obj-c messages.
251  const CallEvent &Call, ExprEngine &Eng) {
252  runCheckersForCallEvent(/*isPreVisit=*/true, Dst, Src, Call, Eng);
253  }
254 
255  /// \brief Run checkers for post-visiting obj-c messages.
257  const CallEvent &Call, ExprEngine &Eng,
258  bool wasInlined = false) {
259  runCheckersForCallEvent(/*isPreVisit=*/false, Dst, Src, Call, Eng,
260  wasInlined);
261  }
262 
263  /// \brief Run checkers for visiting obj-c messages.
264  void runCheckersForCallEvent(bool isPreVisit, ExplodedNodeSet &Dst,
265  const ExplodedNodeSet &Src,
266  const CallEvent &Call, ExprEngine &Eng,
267  bool wasInlined = false);
268 
269  /// \brief Run checkers for load/store of a location.
270  void runCheckersForLocation(ExplodedNodeSet &Dst,
271  const ExplodedNodeSet &Src,
272  SVal location,
273  bool isLoad,
274  const Stmt *NodeEx,
275  const Stmt *BoundEx,
276  ExprEngine &Eng);
277 
278  /// \brief Run checkers for binding of a value to a location.
279  void runCheckersForBind(ExplodedNodeSet &Dst,
280  const ExplodedNodeSet &Src,
281  SVal location, SVal val,
282  const Stmt *S, ExprEngine &Eng,
283  const ProgramPoint &PP);
284 
285  /// \brief Run checkers for end of analysis.
286  void runCheckersForEndAnalysis(ExplodedGraph &G, BugReporter &BR,
287  ExprEngine &Eng);
288 
289  /// \brief Run checkers on beginning of function.
290  void runCheckersForBeginFunction(ExplodedNodeSet &Dst,
291  const BlockEdge &L,
292  ExplodedNode *Pred,
293  ExprEngine &Eng);
294 
295  /// \brief Run checkers on end of function.
296  void runCheckersForEndFunction(NodeBuilderContext &BC,
297  ExplodedNodeSet &Dst,
298  ExplodedNode *Pred,
299  ExprEngine &Eng);
300 
301  /// \brief Run checkers for branch condition.
302  void runCheckersForBranchCondition(const Stmt *condition,
303  ExplodedNodeSet &Dst, ExplodedNode *Pred,
304  ExprEngine &Eng);
305 
306  /// \brief Run checkers for live symbols.
307  ///
308  /// Allows modifying SymbolReaper object. For example, checkers can explicitly
309  /// register symbols of interest as live. These symbols will not be marked
310  /// dead and removed.
311  void runCheckersForLiveSymbols(ProgramStateRef state,
312  SymbolReaper &SymReaper);
313 
314  /// \brief Run checkers for dead symbols.
315  ///
316  /// Notifies checkers when symbols become dead. For example, this allows
317  /// checkers to aggressively clean up/reduce the checker state and produce
318  /// precise diagnostics.
319  void runCheckersForDeadSymbols(ExplodedNodeSet &Dst,
320  const ExplodedNodeSet &Src,
321  SymbolReaper &SymReaper, const Stmt *S,
322  ExprEngine &Eng,
324 
325  /// \brief Run checkers for region changes.
326  ///
327  /// This corresponds to the check::RegionChanges callback.
328  /// \param state The current program state.
329  /// \param invalidated A set of all symbols potentially touched by the change.
330  /// \param ExplicitRegions The regions explicitly requested for invalidation.
331  /// For example, in the case of a function call, these would be arguments.
332  /// \param Regions The transitive closure of accessible regions,
333  /// i.e. all regions that may have been touched by this change.
334  /// \param Call The call expression wrapper if the regions are invalidated
335  /// by a call.
337  runCheckersForRegionChanges(ProgramStateRef state,
338  const InvalidatedSymbols *invalidated,
339  ArrayRef<const MemRegion *> ExplicitRegions,
341  const LocationContext *LCtx,
342  const CallEvent *Call);
343 
344  /// \brief Run checkers when pointers escape.
345  ///
346  /// This notifies the checkers about pointer escape, which occurs whenever
347  /// the analyzer cannot track the symbol any more. For example, as a
348  /// result of assigning a pointer into a global or when it's passed to a
349  /// function call the analyzer cannot model.
350  ///
351  /// \param State The state at the point of escape.
352  /// \param Escaped The list of escaped symbols.
353  /// \param Call The corresponding CallEvent, if the symbols escape as
354  /// parameters to the given call.
355  /// \param Kind The reason of pointer escape.
356  /// \param ITraits Information about invalidation for a particular
357  /// region/symbol.
358  /// \returns Checkers can modify the state by returning a new one.
360  runCheckersForPointerEscape(ProgramStateRef State,
361  const InvalidatedSymbols &Escaped,
362  const CallEvent *Call,
365 
366  /// \brief Run checkers for handling assumptions on symbolic values.
367  ProgramStateRef runCheckersForEvalAssume(ProgramStateRef state,
368  SVal Cond, bool Assumption);
369 
370  /// \brief Run checkers for evaluating a call.
371  ///
372  /// Warning: Currently, the CallEvent MUST come from a CallExpr!
373  void runCheckersForEvalCall(ExplodedNodeSet &Dst,
374  const ExplodedNodeSet &Src,
375  const CallEvent &CE, ExprEngine &Eng);
376 
377  /// \brief Run checkers for the entire Translation Unit.
378  void runCheckersOnEndOfTranslationUnit(const TranslationUnitDecl *TU,
379  AnalysisManager &mgr,
380  BugReporter &BR);
381 
382  /// \brief Run checkers for debug-printing a ProgramState.
383  ///
384  /// Unlike most other callbacks, any checker can simply implement the virtual
385  /// method CheckerBase::printState if it has custom data to print.
386  /// \param Out The output stream
387  /// \param State The state being printed
388  /// \param NL The preferred representation of a newline.
389  /// \param Sep The preferred separator between different kinds of data.
390  void runCheckersForPrintState(raw_ostream &Out, ProgramStateRef State,
391  const char *NL, const char *Sep);
392 
393 //===----------------------------------------------------------------------===//
394 // Internal registration functions for AST traversing.
395 //===----------------------------------------------------------------------===//
396 
397  // Functions used by the registration mechanism, checkers should not touch
398  // these directly.
399 
402 
403  typedef bool (*HandlesDeclFunc)(const Decl *D);
404  void _registerForDecl(CheckDeclFunc checkfn, HandlesDeclFunc isForDeclFn);
405 
406  void _registerForBody(CheckDeclFunc checkfn);
407 
408 //===----------------------------------------------------------------------===//
409 // Internal registration functions for path-sensitive checking.
410 //===----------------------------------------------------------------------===//
411 
413 
416 
419 
420  typedef CheckerFn<void (const SVal &location, bool isLoad,
421  const Stmt *S,
422  CheckerContext &)>
424 
425  typedef CheckerFn<void (const SVal &location, const SVal &val,
426  const Stmt *S, CheckerContext &)>
428 
431 
434 
437 
440 
443 
445 
447  const InvalidatedSymbols *symbols,
448  ArrayRef<const MemRegion *> ExplicitRegions,
450  const LocationContext *LCtx,
451  const CallEvent *Call)>
453 
455  const InvalidatedSymbols &Escaped,
456  const CallEvent *Call,
457  PointerEscapeKind Kind,
460 
462  const SVal &cond, bool assumption)>
464 
467 
468  typedef CheckerFn<void (const TranslationUnitDecl *,
471 
472  typedef bool (*HandlesStmtFunc)(const Stmt *D);
473  void _registerForPreStmt(CheckStmtFunc checkfn,
474  HandlesStmtFunc isForStmtFn);
475  void _registerForPostStmt(CheckStmtFunc checkfn,
476  HandlesStmtFunc isForStmtFn);
477 
478  void _registerForPreObjCMessage(CheckObjCMessageFunc checkfn);
479  void _registerForPostObjCMessage(CheckObjCMessageFunc checkfn);
480 
481  void _registerForObjCMessageNil(CheckObjCMessageFunc checkfn);
482 
483  void _registerForPreCall(CheckCallFunc checkfn);
484  void _registerForPostCall(CheckCallFunc checkfn);
485 
486  void _registerForLocation(CheckLocationFunc checkfn);
487 
488  void _registerForBind(CheckBindFunc checkfn);
489 
490  void _registerForEndAnalysis(CheckEndAnalysisFunc checkfn);
491 
492  void _registerForBeginFunction(CheckEndFunctionFunc checkfn);
493  void _registerForEndFunction(CheckEndFunctionFunc checkfn);
494 
495  void _registerForBranchCondition(CheckBranchConditionFunc checkfn);
496 
497  void _registerForLiveSymbols(CheckLiveSymbolsFunc checkfn);
498 
499  void _registerForDeadSymbols(CheckDeadSymbolsFunc checkfn);
500 
501  void _registerForRegionChanges(CheckRegionChangesFunc checkfn);
502 
503  void _registerForPointerEscape(CheckPointerEscapeFunc checkfn);
504 
505  void _registerForConstPointerEscape(CheckPointerEscapeFunc checkfn);
506 
507  void _registerForEvalAssume(EvalAssumeFunc checkfn);
508 
509  void _registerForEvalCall(EvalCallFunc checkfn);
510 
511  void _registerForEndOfTranslationUnit(CheckEndOfTranslationUnit checkfn);
512 
513 //===----------------------------------------------------------------------===//
514 // Internal registration functions for events.
515 //===----------------------------------------------------------------------===//
516 
517  typedef void *EventTag;
519 
520  template <typename EVENT>
521  void _registerListenerForEvent(CheckEventFunc checkfn) {
522  EventInfo &info = Events[getTag<EVENT>()];
523  info.Checkers.push_back(checkfn);
524  }
525 
526  template <typename EVENT>
528  EventInfo &info = Events[getTag<EVENT>()];
529  info.HasDispatcher = true;
530  }
531 
532  template <typename EVENT>
533  void _dispatchEvent(const EVENT &event) const {
534  EventsTy::const_iterator I = Events.find(getTag<EVENT>());
535  if (I == Events.end())
536  return;
537  const EventInfo &info = I->second;
538  for (unsigned i = 0, e = info.Checkers.size(); i != e; ++i)
539  info.Checkers[i](&event);
540  }
541 
542 //===----------------------------------------------------------------------===//
543 // Implementation details.
544 //===----------------------------------------------------------------------===//
545 
546 private:
547  template <typename CHECKER>
548  static void destruct(void *obj) { delete static_cast<CHECKER *>(obj); }
549 
550  template <typename T>
551  static void *getTag() { static int tag; return &tag; }
552 
553  llvm::DenseMap<CheckerTag, CheckerRef> CheckerTags;
554 
555  std::vector<CheckerDtor> CheckerDtors;
556 
557  struct DeclCheckerInfo {
558  CheckDeclFunc CheckFn;
559  HandlesDeclFunc IsForDeclFn;
560  };
561  std::vector<DeclCheckerInfo> DeclCheckers;
562 
563  std::vector<CheckDeclFunc> BodyCheckers;
564 
566  typedef llvm::DenseMap<unsigned, CachedDeclCheckers> CachedDeclCheckersMapTy;
567  CachedDeclCheckersMapTy CachedDeclCheckersMap;
568 
569  struct StmtCheckerInfo {
570  CheckStmtFunc CheckFn;
571  HandlesStmtFunc IsForStmtFn;
572  bool IsPreVisit;
573  };
574  std::vector<StmtCheckerInfo> StmtCheckers;
575 
577  typedef llvm::DenseMap<unsigned, CachedStmtCheckers> CachedStmtCheckersMapTy;
578  CachedStmtCheckersMapTy CachedStmtCheckersMap;
579 
580  const CachedStmtCheckers &getCachedStmtCheckersFor(const Stmt *S,
581  bool isPreVisit);
582 
583  /// Returns the checkers that have registered for callbacks of the
584  /// given \p Kind.
585  const std::vector<CheckObjCMessageFunc> &
586  getObjCMessageCheckers(ObjCMessageVisitKind Kind);
587 
588  std::vector<CheckObjCMessageFunc> PreObjCMessageCheckers;
589  std::vector<CheckObjCMessageFunc> PostObjCMessageCheckers;
590  std::vector<CheckObjCMessageFunc> ObjCMessageNilCheckers;
591 
592  std::vector<CheckCallFunc> PreCallCheckers;
593  std::vector<CheckCallFunc> PostCallCheckers;
594 
595  std::vector<CheckLocationFunc> LocationCheckers;
596 
597  std::vector<CheckBindFunc> BindCheckers;
598 
599  std::vector<CheckEndAnalysisFunc> EndAnalysisCheckers;
600 
601  std::vector<CheckBeginFunctionFunc> BeginFunctionCheckers;
602  std::vector<CheckEndFunctionFunc> EndFunctionCheckers;
603 
604  std::vector<CheckBranchConditionFunc> BranchConditionCheckers;
605 
606  std::vector<CheckLiveSymbolsFunc> LiveSymbolsCheckers;
607 
608  std::vector<CheckDeadSymbolsFunc> DeadSymbolsCheckers;
609 
610  std::vector<CheckRegionChangesFunc> RegionChangesCheckers;
611 
612  std::vector<CheckPointerEscapeFunc> PointerEscapeCheckers;
613 
614  std::vector<EvalAssumeFunc> EvalAssumeCheckers;
615 
616  std::vector<EvalCallFunc> EvalCallCheckers;
617 
618  std::vector<CheckEndOfTranslationUnit> EndOfTranslationUnitCheckers;
619 
620  struct EventInfo {
622  bool HasDispatcher;
623  EventInfo() : HasDispatcher(false) { }
624  };
625 
626  typedef llvm::DenseMap<EventTag, EventInfo> EventsTy;
627  EventsTy Events;
628 };
629 
630 } // end ento namespace
631 
632 } // end clang namespace
633 
634 #endif
void _dispatchEvent(const EVENT &event) const
Stmt - This represents one statement.
Definition: Stmt.h:60
Information about invalidation for a particular region/symbol.
Definition: MemRegion.h:1383
CheckerFn< void(const SVal &location, const SVal &val, const Stmt *S, CheckerContext &)> CheckBindFunc
Decl - This represents one declaration (or definition), e.g.
Definition: DeclBase.h:81
IntrusiveRefCntPtr< const ProgramState > ProgramStateRef
The pointer has been passed to a function indirectly.
The l-value was an access to a declared entity or something equivalently strong, like the address of ...
CheckerFn< void(CheckerContext &)> CheckEndFunctionFunc
void runCheckersForObjCMessageNil(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const ObjCMethodCall &msg, ExprEngine &Eng)
Run checkers for visiting an obj-c message to nil.
A pointer escapes due to binding its value to a location that the analyzer cannot track...
LineState State
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:48
void runCheckersForPostObjCMessage(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const ObjCMethodCall &msg, ExprEngine &Eng, bool wasInlined=false)
Run checkers for post-visiting obj-c messages.
i32 captured_struct **param SharedsTy A type which contains references the shared variables *param Shareds Context with the list of shared variables from the p *TaskFunction *param Data Additional data for task generation like final * state
#define CHECKER(FULLNAME, CLASS, DESCFILE, HELPTEXT, GROUPINDEX, HIDDEN)
Represents any expression that calls an Objective-C method.
Definition: CallEvent.h:870
void runCheckersForPreCall(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const CallEvent &Call, ExprEngine &Eng)
Run checkers for pre-visiting obj-c messages.
void setCurrentCheckName(CheckName name)
CheckerFn< void(const Stmt *, CheckerContext &)> CheckStmtFunc
CheckerFn< void(ProgramStateRef, SymbolReaper &)> CheckLiveSymbolsFunc
void runCheckersForPostCall(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const CallEvent &Call, ExprEngine &Eng, bool wasInlined=false)
Run checkers for post-visiting obj-c messages.
CheckName getCurrentCheckName() const
CheckerFn(CheckerBase *checker, Func fn)
CheckerFn< ProgramStateRef(ProgramStateRef, const InvalidatedSymbols &Escaped, const CallEvent *Call, PointerEscapeKind Kind, RegionAndSymbolInvalidationTraits *ITraits)> CheckPointerEscapeFunc
StringRef getName() const
void runCheckersForPostStmt(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const Stmt *S, ExprEngine &Eng, bool wasInlined=false)
Run checkers for post-visiting Stmts.
Defines the clang::LangOptions interface.
CheckerFn< void(const ObjCMethodCall &, CheckerContext &)> CheckObjCMessageFunc
void runCheckersForPreObjCMessage(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const ObjCMethodCall &msg, ExprEngine &Eng)
Run checkers for pre-visiting obj-c messages.
The pointer has been passed to a function call directly.
#define bool
Definition: stdbool.h:31
CheckerFn< void(const Stmt *, CheckerContext &)> CheckBranchConditionFunc
The reason for pointer escape is unknown.
CheckerFn< void(CheckerContext &)> CheckBeginFunctionFunc
BugReporter is a utility class for generating PathDiagnostics for analysis.
Definition: BugReporter.h:403
Kind
CHECKER * registerChecker()
Used to register checkers.
void _registerListenerForEvent(CheckEventFunc checkfn)
CheckerFn< bool(const CallExpr *, CheckerContext &)> EvalCallFunc
SVal - This represents a symbolic expression, which can be either an L-value or an R-value...
Definition: SVals.h:63
CheckerManager(const LangOptions &langOpts, AnalyzerOptions &AOptions)
A class responsible for cleaning up unused symbols.
void runCheckersForPreStmt(ExplodedNodeSet &Dst, const ExplodedNodeSet &Src, const Stmt *S, ExprEngine &Eng)
Run checkers for pre-visiting Stmts.
CheckerFn< void(const TranslationUnitDecl *, AnalysisManager &, BugReporter &)> CheckEndOfTranslationUnit
CheckerFn< void(const CallEvent &, CheckerContext &)> CheckCallFunc
CheckerFn< void(const void *event)> CheckEventFunc
CheckerFn< void(const Decl *, AnalysisManager &, BugReporter &)> CheckDeclFunc
Dataflow Directional Tag Classes.
Represents an abstract call to a function or method along a particular path.
Definition: CallEvent.h:140
AnalyzerOptions & getAnalyzerOptions()
CheckerFn< void(ExplodedGraph &, BugReporter &, ExprEngine &)> CheckEndAnalysisFunc
PointerEscapeKind
Describes the different reasons a pointer escapes during analysis.
CheckerFn< ProgramStateRef(ProgramStateRef, const SVal &cond, bool assumption)> EvalAssumeFunc
CheckerFn< void(SymbolReaper &, CheckerContext &)> CheckDeadSymbolsFunc
CheckerFn< void(const SVal &location, bool isLoad, const Stmt *S, CheckerContext &)> CheckLocationFunc
CHECKER * registerChecker(AnalyzerOptions &AOpts)
CheckerFn< ProgramStateRef(ProgramStateRef, const InvalidatedSymbols *symbols, ArrayRef< const MemRegion * > ExplicitRegions, ArrayRef< const MemRegion * > Regions, const LocationContext *LCtx, const CallEvent *Call)> CheckRegionChangesFunc
TranslationUnitDecl - The top declaration context.
Definition: Decl.h:80
const LangOptions & getLangOpts() const
CheckerFn< void()> CheckerDtor