[cfe-commits] r160817 - in /cfe/trunk: include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h lib/StaticAnalyzer/Core/CallEvent.cpp

Manman Ren mren at apple.com
Thu Jul 26 16:27:04 PDT 2012


Seeing this failure , looks like yours :)
http://lab.llvm.org:8011/builders/clang-x86_64-darwin10-nt-O3/builds/1581/steps/compile/logs/stdio
/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/clang-x86_64-darwin10-nt-O3/llvm.src/tools/clang/lib/StaticAnalyzer/Core/../../../include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h: In copy constructor 'clang::ento::ObjCMethodCall::ObjCMethodCall(const clang::ento::ObjCMethodCall&)':
/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/clang-x86_64-darwin10-nt-O3/llvm.src/tools/clang/lib/StaticAnalyzer/Core/../../../include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h:63: error: 'clang::ento::CallEvent::CallEvent(const clang::ento::CallEvent&)' is private
/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/clang-x86_64-darwin10-nt-O3/llvm.src/tools/clang/lib/StaticAnalyzer/Core/../../../include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h:584: error: within this context
/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/clang-x86_64-darwin10-nt-O3/llvm.src/tools/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp: In member function 'void clang::ento::ExprEngine::Visit(const clang::Stmt*, clang::ento::ExplodedNode*, clang::ento::ExplodedNodeSet&)':
/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/clang-x86_64-darwin10-nt-O3/llvm.src/tools/clang/lib/StaticAnalyzer/Core/ExprEngine.cpp:883: note: synthesized method 'clang::ento::ObjCMethodCall::ObjCMethodCall(const clang::ento::ObjCMethodCall&)' first required here 
make[5]: *** [/Users/buildslave/zorg/buildbot/smooshlab/slave-0.8/clang-x86_64-darwin10-nt-O3/llvm.obj/tools/clang/lib/StaticAnalyzer/Core/Release+Asserts/ExprEngine.o] Error 1
make[4]: *** [Core/.makeall] Error 2
make[4]: *** Waiting for unfinished jobs....

http://lab.llvm.org:8011/builders/clang-x86_64-darwin11-self-mingw32/builds/5499/steps/compile/logs/stdio
llvm[5]: Compiling ObjCSelfInitChecker.cpp for Debug+Asserts build
/Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/include/llvm/ADT/DenseMap.h: In copy constructor 'llvm::DenseMap<KeyT, ValueT, KeyInfoT>::DenseMap(const llvm::DenseMap<KeyT, ValueT, KeyInfoT>&) [with KeyT = clang::Expr*, ValueT = char, KeyInfoT = llvm::DenseMapInfo<clang::Expr*>]':
/Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/include/llvm/ADT/DenseSet.h:30:   instantiated from 'llvm::DenseSet<ValueT, ValueInfoT>::DenseSet(const llvm::DenseSet<ValueT, ValueInfoT>&) [with ValueT = clang::Expr*, ValueInfoT = llvm::DenseMapInfo<clang::Expr*>]'
/Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/tools/clang/lib/ARCMigrate/TransAutoreleasePool.cpp:419:   instantiated from '_Tp& std::map<_Key, _Tp, _Compare, _Alloc>::operator[](const _Key&) [with _Key = clang::VarDecl*, _Tp = <unnamed>::AutoreleasePoolRewriter::PoolVarInfo, _Compare = std::less<clang::VarDecl*>, _Alloc = std::allocator<std::pair<clang::VarDecl* const, <unnamed>::AutoreleasePoolRewriter::PoolVarInfo> >]'
/Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/tools/clang/lib/ARCMigrate/TransAutoreleasePool.cpp:111:   instantiated from here
/Volumes/Macintosh_HD2/buildbots/clang-x86_64-darwin11-self-mingw32/llvm.src/include/llvm/ADT/DenseMap.h:533: warning: base class 'class llvm::DenseMapBase<llvm::DenseMap<clang::Expr*, char, llvm::DenseMapInfo<clang::Expr*> >, clang::Expr*, char, llvm::DenseMapInfo<clang::Expr*> >' should be explicitly initialized in the copy constructor
llvm[5]: Compiling ObjCUnusedIVarsChecker.cpp for Debug+Asserts build
Thanks,
Manman

On Jul 26, 2012, at 2:41 PM, Jordan Rose wrote:

> Author: jrose
> Date: Thu Jul 26 16:41:15 2012
> New Revision: 160817
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=160817&view=rev
> Log:
> [analyzer] CallEvent is no longer a value object.
> 
> After discussion, the type-based dispatch was decided to be bad for
> maintenance and made it very easy for subtle bugs to creep in. Instead,
> we'll just be very careful when we do have to allocate these on the heap.
> 
> Modified:
>    cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h
>    cfe/trunk/lib/StaticAnalyzer/Core/CallEvent.cpp
> 
> Modified: cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h?rev=160817&r1=160816&r2=160817&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h (original)
> +++ cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/CallEvent.h Thu Jul 26 16:41:15 2012
> @@ -55,45 +55,31 @@
>   typedef CallEventKind Kind;
> 
> private:
> -  // PointerIntPair doesn't respect IntrusiveRefCntPtr, so we have to manually
> -  // retain and release the state.
> -  llvm::PointerIntPair<const ProgramState *, 2> State;
> -  llvm::PointerIntPair<const LocationContext *, 2> LCtx;
> +  ProgramStateRef State;
> +  const LocationContext *LCtx;
>   llvm::PointerUnion<const Expr *, const Decl *> Origin;
> 
> +  // DO NOT IMPLEMENT! CallEvents should not be copied.
> +  CallEvent(const CallEvent &);
> +  CallEvent &operator=(const CallEvent &);
> +
> protected:
>   // This is user data for subclasses.
>   const void *Data;
>   SourceLocation Location;
> 
> -  CallEvent(const Expr *E, ProgramStateRef state, const LocationContext *lctx,
> -            Kind k)
> -    : State(state.getPtr(), (k & 0x3)),
> -      LCtx(lctx, ((k >> 2) & 0x3)),
> -      Origin(E) {
> -    IntrusiveRefCntPtrInfo<const ProgramState>::retain(getState());
> -    assert(k == getKind() && "More kinds than bits in the PointerIntPairs.");
> -  }
> -
> -  CallEvent(const Decl *D, ProgramStateRef state, const LocationContext *lctx,
> -            Kind k)
> -    : State(state.getPtr(), (k & 0x3)),
> -      LCtx(lctx, ((k >> 2) & 0x3)),
> -      Origin(D) {
> -    IntrusiveRefCntPtrInfo<const ProgramState>::retain(getState());
> -    assert(k == getKind() && "More kinds than bits in the PointerIntPairs.");
> -  }
> +  CallEvent(const Expr *E, ProgramStateRef state, const LocationContext *lctx)
> +    : State(state), LCtx(lctx), Origin(E) {}
> 
> -  const ProgramState *getState() const {
> -    return State.getPointer();
> -  }
> +  CallEvent(const Decl *D, ProgramStateRef state, const LocationContext *lctx)
> +    : State(state), LCtx(lctx), Origin(D) {}
> 
> -  const LocationContext *getLocationContext() const {
> -    return LCtx.getPointer();
> +  ProgramStateRef getState() const {
> +    return State;
>   }
> 
> -  ~CallEvent() {
> -    IntrusiveRefCntPtrInfo<const ProgramState>::release(getState());
> +  const LocationContext *getLocationContext() const {
> +    return LCtx;
>   }
> 
> 
> @@ -106,24 +92,26 @@
> 
>   /// \brief Used to specify non-argument regions that will be invalidated as a
>   /// result of this call.
> -  void getExtraInvalidatedRegions(RegionList &Regions) const;
> +  virtual void getExtraInvalidatedRegions(RegionList &Regions) const {}
> 
> -  QualType getDeclaredResultType() const;
> +  virtual QualType getDeclaredResultType() const = 0;
> 
> public:
> +  virtual ~CallEvent() {}
> +
>   /// \brief Returns the kind of call this is.
> -  Kind getKind() const {
> -    return static_cast<Kind>((State.getInt()) | (LCtx.getInt() << 2));
> -  }
> +  virtual Kind getKind() const = 0;
> 
>   /// \brief Returns the declaration of the function or method that will be
>   /// called. May be null.
> -  const Decl *getDecl() const;
> +  virtual const Decl *getDecl() const {
> +    return Origin.dyn_cast<const Decl *>();
> +  }
> 
>   /// \brief Returns the definition of the function or method that will be
>   /// called. Returns NULL if the definition cannot be found; ex: due to
>   /// dynamic dispatch in ObjC methods.
> -  const Decl *getRuntimeDefinition() const;
> +  virtual const Decl *getRuntimeDefinition() const = 0;
> 
>   /// \brief Returns the expression whose value will be the result of this call.
>   /// May be null.
> @@ -136,7 +124,7 @@
>   /// Note that this may be greater than the number of parameters in the
>   /// callee's declaration, and that it may include arguments not written in
>   /// the source.
> -  unsigned getNumArgs() const;
> +  virtual unsigned getNumArgs() const = 0;
> 
>   /// \brief Returns true if the callee is known to be from a system header.
>   bool isInSystemHeader() const {
> @@ -161,27 +149,30 @@
> 
>   /// \brief Returns a source range for the entire call, suitable for
>   /// outputting in diagnostics.
> -  SourceRange getSourceRange() const;
> +  virtual SourceRange getSourceRange() const {
> +    return getOriginExpr()->getSourceRange();
> +  }
> 
>   /// \brief Returns the value of a given argument at the time of the call.
> -  SVal getArgSVal(unsigned Index) const;
> +  virtual SVal getArgSVal(unsigned Index) const;
> 
>   /// \brief Returns the expression associated with a given argument.
>   /// May be null if this expression does not appear in the source.
> -  const Expr *getArgExpr(unsigned Index) const;
> +  virtual const Expr *getArgExpr(unsigned Index) const { return 0; }
> 
>   /// \brief Returns the source range for errors associated with this argument.
> +  ///
>   /// May be invalid if the argument is not written in the source.
> -  // FIXME: Is it better to return an invalid range or the range of the origin
> -  // expression?
> -  SourceRange getArgSourceRange(unsigned Index) const;
> +  virtual SourceRange getArgSourceRange(unsigned Index) const;
> 
>   /// \brief Returns the result type, adjusted for references.
>   QualType getResultType() const;
> 
>   /// \brief Returns the value of the implicit 'this' object, or UndefinedVal if
>   /// this is not a C++ member function call.
> -  SVal getCXXThisVal() const;
> +  virtual SVal getCXXThisVal() const {
> +    return UndefinedVal();
> +  }
> 
>   /// \brief Returns true if any of the arguments appear to represent callbacks.
>   bool hasNonZeroCallbackArg() const;
> @@ -191,7 +182,9 @@
>   // NOTE: The exact semantics of this are still being defined!
>   // We don't really want a list of hardcoded exceptions in the long run,
>   // but we don't want duplicated lists of known APIs in the short term either.
> -  bool argumentsMayEscape() const;
> +  virtual bool argumentsMayEscape() const {
> +    return hasNonZeroCallbackArg();
> +  }
> 
>   /// \brief Returns an appropriate ProgramPoint for this call.
>   ProgramPoint getProgramPoint(bool IsPreVisit = false,
> @@ -206,6 +199,9 @@
> 
>   /// \brief Returns true if this is a statement that can be considered for
>   /// inlining.
> +  ///
> +  /// FIXME: This should go away once CallEvents are cheap and easy to
> +  /// construct from ExplodedNodes.
>   static bool mayBeInlined(const Stmt *S);
> 
>   // Iterator access to formal parameters and their types.
> @@ -229,9 +225,9 @@
>   /// If the call has no accessible declaration (or definition, if
>   /// \p UseDefinitionParams is set), \c param_begin() will be equal to
>   /// \c param_end().
> -  param_iterator param_begin(bool UseDefinitionParams = false) const;
> +  virtual param_iterator param_begin(bool UseDefinitionParams = false) const =0;
>   /// \sa param_begin()
> -  param_iterator param_end(bool UseDefinitionParams = false) const;
> +  virtual param_iterator param_end(bool UseDefinitionParams = false) const = 0;
> 
>   typedef llvm::mapped_iterator<param_iterator, get_type_fun>
>     param_type_iterator;
> @@ -261,29 +257,24 @@
> /// \brief Represents a call to any sort of function that might have a
> /// FunctionDecl.
> class AnyFunctionCall : public CallEvent {
> -  friend class CallEvent;
> -
> protected:
>   AnyFunctionCall(const Expr *E, ProgramStateRef St,
> -                  const LocationContext *LCtx, Kind K)
> -    : CallEvent(E, St, LCtx, K) {}
> +                  const LocationContext *LCtx)
> +    : CallEvent(E, St, LCtx) {}
>   AnyFunctionCall(const Decl *D, ProgramStateRef St,
> -                  const LocationContext *LCtx, Kind K)
> -    : CallEvent(D, St, LCtx, K) {}
> -
> -  // Most function calls have no extra invalidated regions.
> -  void getExtraInvalidatedRegions(RegionList &Regions) const {}
> +                  const LocationContext *LCtx)
> +    : CallEvent(D, St, LCtx) {}
> 
> -  QualType getDeclaredResultType() const;
> +  virtual QualType getDeclaredResultType() const;
> 
> public:
>   // This function is overridden by subclasses, but they must return
>   // a FunctionDecl.
> -  const FunctionDecl *getDecl() const {
> -    return cast_or_null<FunctionDecl>(CallEvent::getDecl());
> +  virtual const FunctionDecl *getDecl() const {
> +    return cast<FunctionDecl>(CallEvent::getDecl());
>   }
> 
> -  const Decl *getRuntimeDefinition() const {
> +  virtual const Decl *getRuntimeDefinition() const {
>     const FunctionDecl *FD = getDecl();
>     // Note that hasBody() will fill FD with the definition FunctionDecl.
>     if (FD && FD->hasBody(FD))
> @@ -291,13 +282,10 @@
>     return 0;
>   }
> 
> -  bool argumentsMayEscape() const;
> -
> -  SVal getArgSVal(unsigned Index) const;
> -  SourceRange getArgSourceRange(unsigned Index) const;
> +  virtual bool argumentsMayEscape() const;
> 
> -  param_iterator param_begin(bool UseDefinitionParams = false) const;
> -  param_iterator param_end(bool UseDefinitionParams = false) const;
> +  virtual param_iterator param_begin(bool UseDefinitionParams = false) const;
> +  virtual param_iterator param_end(bool UseDefinitionParams = false) const;
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() >= CE_BEG_FUNCTION_CALLS &&
> @@ -309,23 +297,20 @@
> class SimpleCall : public AnyFunctionCall {
> protected:
>   SimpleCall(const CallExpr *CE, ProgramStateRef St,
> -             const LocationContext *LCtx, Kind K)
> -    : AnyFunctionCall(CE, St, LCtx, K) {
> +             const LocationContext *LCtx)
> +    : AnyFunctionCall(CE, St, LCtx) {
>   }
> 
> public:
> -  const CallExpr *getOriginExpr() const {
> +  virtual const CallExpr *getOriginExpr() const {
>     return cast<CallExpr>(AnyFunctionCall::getOriginExpr());
>   }
> 
> -  const FunctionDecl *getDecl() const;
> +  virtual const FunctionDecl *getDecl() const;
> 
> -  unsigned getNumArgs() const { return getOriginExpr()->getNumArgs(); }
> -  SourceRange getSourceRange() const {
> -    return getOriginExpr()->getSourceRange();
> -  }
> -  
> -  const Expr *getArgExpr(unsigned Index) const {
> +  virtual unsigned getNumArgs() const { return getOriginExpr()->getNumArgs(); }
> +
> +  virtual const Expr *getArgExpr(unsigned Index) const {
>     return getOriginExpr()->getArg(Index);
>   }
> 
> @@ -342,9 +327,9 @@
> public:
>   FunctionCall(const CallExpr *CE, ProgramStateRef St,
>                const LocationContext *LCtx)
> -    : SimpleCall(CE, St, LCtx, CE_Function) {}
> +    : SimpleCall(CE, St, LCtx) {}
> 
> -  SVal getCXXThisVal() const { return UndefinedVal(); }
> +  virtual Kind getKind() const { return CE_Function; }
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() == CE_Function;
> @@ -354,17 +339,15 @@
> /// \brief Represents a non-static C++ member function call, no matter how
> /// it is written.
> class CXXInstanceCall : public SimpleCall {
> -  friend class CallEvent;
> -
> protected:
> -  void getExtraInvalidatedRegions(RegionList &Regions) const;
> +  virtual void getExtraInvalidatedRegions(RegionList &Regions) const;
> 
>   CXXInstanceCall(const CallExpr *CE, ProgramStateRef St,
> -                  const LocationContext *LCtx, Kind K)
> -    : SimpleCall(CE, St, LCtx, K) {}
> +                  const LocationContext *LCtx)
> +    : SimpleCall(CE, St, LCtx) {}
> 
> public:
> -  const Decl *getRuntimeDefinition() const;
> +  virtual const Decl *getRuntimeDefinition() const;
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() >= CE_BEG_CXX_INSTANCE_CALLS &&
> @@ -379,13 +362,15 @@
> public:
>   CXXMemberCall(const CXXMemberCallExpr *CE, ProgramStateRef St,
>                 const LocationContext *LCtx)
> -    : CXXInstanceCall(CE, St, LCtx, CE_CXXMember) {}
> +    : CXXInstanceCall(CE, St, LCtx) {}
> 
> -  const CXXMemberCallExpr *getOriginExpr() const {
> +  virtual const CXXMemberCallExpr *getOriginExpr() const {
>     return cast<CXXMemberCallExpr>(SimpleCall::getOriginExpr());
>   }
> 
> -  SVal getCXXThisVal() const;
> +  virtual SVal getCXXThisVal() const;
> +
> +  virtual Kind getKind() const { return CE_CXXMember; }
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() == CE_CXXMember;
> @@ -400,18 +385,22 @@
> public:
>   CXXMemberOperatorCall(const CXXOperatorCallExpr *CE, ProgramStateRef St,
>                         const LocationContext *LCtx)
> -    : CXXInstanceCall(CE, St, LCtx, CE_CXXMemberOperator) {}
> +    : CXXInstanceCall(CE, St, LCtx) {}
> 
> -  const CXXOperatorCallExpr *getOriginExpr() const {
> +  virtual const CXXOperatorCallExpr *getOriginExpr() const {
>     return cast<CXXOperatorCallExpr>(SimpleCall::getOriginExpr());
>   }
> 
> -  unsigned getNumArgs() const { return getOriginExpr()->getNumArgs() - 1; }
> -  const Expr *getArgExpr(unsigned Index) const {
> +  virtual unsigned getNumArgs() const {
> +    return getOriginExpr()->getNumArgs() - 1;
> +  }
> +  virtual const Expr *getArgExpr(unsigned Index) const {
>     return getOriginExpr()->getArg(Index + 1);
>   }
> 
> -  SVal getCXXThisVal() const;
> +  virtual SVal getCXXThisVal() const;
> +
> +  virtual Kind getKind() const { return CE_CXXMemberOperator; }
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() == CE_CXXMemberOperator;
> @@ -422,17 +411,15 @@
> ///
> /// Example: <tt>^{ /* ... */ }()</tt>
> class BlockCall : public SimpleCall {
> -  friend class CallEvent;
> -
> protected:
> -  void getExtraInvalidatedRegions(RegionList &Regions) const;
> +  virtual void getExtraInvalidatedRegions(RegionList &Regions) const;
> 
> -  QualType getDeclaredResultType() const;
> +  virtual QualType getDeclaredResultType() const;
> 
> public:
>   BlockCall(const CallExpr *CE, ProgramStateRef St,
>             const LocationContext *LCtx)
> -    : SimpleCall(CE, St, LCtx, CE_Block) {}
> +    : SimpleCall(CE, St, LCtx) {}
> 
>   /// \brief Returns the region associated with this instance of the block.
>   ///
> @@ -450,14 +437,14 @@
>     return BR->getDecl();
>   }
> 
> -  const Decl *getRuntimeDefinition() const {
> +  virtual const Decl *getRuntimeDefinition() const {
>     return getBlockDecl();
>   }
> 
> -  param_iterator param_begin(bool UseDefinitionParams = false) const;
> -  param_iterator param_end(bool UseDefinitionParams = false) const;
> +  virtual param_iterator param_begin(bool UseDefinitionParams = false) const;
> +  virtual param_iterator param_end(bool UseDefinitionParams = false) const;
> 
> -  SVal getCXXThisVal() const { return UndefinedVal(); }
> +  virtual Kind getKind() const { return CE_Block; }
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() == CE_Block;
> @@ -468,45 +455,41 @@
> ///
> /// Example: \c T(1)
> class CXXConstructorCall : public AnyFunctionCall {
> -  friend class CallEvent;
> -
> protected:
> -  void getExtraInvalidatedRegions(RegionList &Regions) const;
> +  virtual void getExtraInvalidatedRegions(RegionList &Regions) const;
> 
> public:
>   /// Represents a constructor call to a new or unknown region.
>   CXXConstructorCall(const CXXConstructExpr *CE, ProgramStateRef St,
>                      const LocationContext *LCtx)
> -    : AnyFunctionCall(CE, St, LCtx, CE_CXXConstructor) {
> +    : AnyFunctionCall(CE, St, LCtx) {
>     Data = 0;
>   }
> 
>   /// Represents a constructor call on an existing object region.
>   CXXConstructorCall(const CXXConstructExpr *CE, const MemRegion *target,
>                      ProgramStateRef St, const LocationContext *LCtx)
> -    : AnyFunctionCall(CE, St, LCtx, CE_CXXConstructor) {
> +    : AnyFunctionCall(CE, St, LCtx) {
>     Data = target;
>   }
> 
> -  const CXXConstructExpr *getOriginExpr() const {
> +  virtual const CXXConstructExpr *getOriginExpr() const {
>     return cast<CXXConstructExpr>(AnyFunctionCall::getOriginExpr());
>   }
> 
> -  SourceRange getSourceRange() const {
> -    return getOriginExpr()->getSourceRange();
> -  }
> -
> -  const CXXConstructorDecl *getDecl() const {
> +  virtual const CXXConstructorDecl *getDecl() const {
>     return getOriginExpr()->getConstructor();
>   }
> 
> -  unsigned getNumArgs() const { return getOriginExpr()->getNumArgs(); }
> +  virtual unsigned getNumArgs() const { return getOriginExpr()->getNumArgs(); }
> 
> -  const Expr *getArgExpr(unsigned Index) const {
> +  virtual const Expr *getArgExpr(unsigned Index) const {
>     return getOriginExpr()->getArg(Index);
>   }
> 
> -  SVal getCXXThisVal() const;
> +  virtual SVal getCXXThisVal() const;
> +
> +  virtual Kind getKind() const { return CE_CXXConstructor; }
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() == CE_CXXConstructor;
> @@ -518,10 +501,8 @@
> /// This can occur at the end of a scope (for automatic objects), at the end
> /// of a full-expression (for temporaries), or as part of a delete.
> class CXXDestructorCall : public AnyFunctionCall {
> -  friend class CallEvent;
> -
> protected:
> -  void getExtraInvalidatedRegions(RegionList &Regions) const;
> +  virtual void getExtraInvalidatedRegions(RegionList &Regions) const;
> 
> public:
>   /// Creates an implicit destructor.
> @@ -534,16 +515,18 @@
>   CXXDestructorCall(const CXXDestructorDecl *DD, const Stmt *Trigger,
>                     const MemRegion *Target, ProgramStateRef St,
>                     const LocationContext *LCtx)
> -    : AnyFunctionCall(DD, St, LCtx, CE_CXXDestructor) {
> +    : AnyFunctionCall(DD, St, LCtx) {
>     Data = Target;
>     Location = Trigger->getLocEnd();
>   }
> 
> -  SourceRange getSourceRange() const { return Location; }
> -  unsigned getNumArgs() const { return 0; }
> +  virtual SourceRange getSourceRange() const { return Location; }
> +  virtual unsigned getNumArgs() const { return 0; }
> +
> +  virtual SVal getCXXThisVal() const;
> +  virtual const Decl *getRuntimeDefinition() const;
> 
> -  SVal getCXXThisVal() const;
> -  const Decl *getRuntimeDefinition() const;
> +  virtual Kind getKind() const { return CE_CXXDestructor; }
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() == CE_CXXDestructor;
> @@ -557,33 +540,28 @@
> public:
>   CXXAllocatorCall(const CXXNewExpr *E, ProgramStateRef St,
>                    const LocationContext *LCtx)
> -    : AnyFunctionCall(E, St, LCtx, CE_CXXAllocator) {}
> +    : AnyFunctionCall(E, St, LCtx) {}
> 
> -  const CXXNewExpr *getOriginExpr() const {
> +  virtual const CXXNewExpr *getOriginExpr() const {
>     return cast<CXXNewExpr>(AnyFunctionCall::getOriginExpr());
>   }
> 
> -  // FIXME: This isn't exactly the range of the allocator...
> -  SourceRange getSourceRange() const {
> -    return getOriginExpr()->getSourceRange();
> -  }
> -
> -  const FunctionDecl *getDecl() const {
> +  virtual const FunctionDecl *getDecl() const {
>     return getOriginExpr()->getOperatorNew();
>   }
> 
> -  unsigned getNumArgs() const {
> +  virtual unsigned getNumArgs() const {
>     return getOriginExpr()->getNumPlacementArgs() + 1;
>   }
> 
> -  const Expr *getArgExpr(unsigned Index) const {
> +  virtual const Expr *getArgExpr(unsigned Index) const {
>     // The first argument of an allocator call is the size of the allocation.
>     if (Index == 0)
>       return 0;
>     return getOriginExpr()->getPlacementArg(Index - 1);
>   }
> 
> -  SVal getCXXThisVal() const { return UndefinedVal(); }
> +  virtual Kind getKind() const { return CE_CXXAllocator; }
> 
>   static bool classof(const CallEvent *CE) {
>     return CE->getKind() == CE_CXXAllocator;
> @@ -604,34 +582,32 @@
> ///
> /// This includes all of the kinds listed in ObjCMessageKind.
> class ObjCMethodCall : public CallEvent {
> -  friend class CallEvent;
> -
>   const PseudoObjectExpr *getContainingPseudoObjectExpr() const;
> 
> protected:
> -  void getExtraInvalidatedRegions(RegionList &Regions) const;
> +  virtual void getExtraInvalidatedRegions(RegionList &Regions) const;
> 
> -  QualType getDeclaredResultType() const;
> +  virtual QualType getDeclaredResultType() const;
>   ObjCMethodDecl *LookupClassMethodDefinition(Selector Sel,
>                                            ObjCInterfaceDecl *ClassDecl) const;
> 
> public:
>   ObjCMethodCall(const ObjCMessageExpr *Msg, ProgramStateRef St,
>                  const LocationContext *LCtx)
> -    : CallEvent(Msg, St, LCtx, CE_ObjCMessage) {
> +    : CallEvent(Msg, St, LCtx) {
>     Data = 0;
>   }
> 
> -  const ObjCMessageExpr *getOriginExpr() const {
> +  virtual const ObjCMessageExpr *getOriginExpr() const {
>     return cast<ObjCMessageExpr>(CallEvent::getOriginExpr());
>   }
> -  const ObjCMethodDecl *getDecl() const {
> +  virtual const ObjCMethodDecl *getDecl() const {
>     return getOriginExpr()->getMethodDecl();
>   }
> -  unsigned getNumArgs() const {
> +  virtual unsigned getNumArgs() const {
>     return getOriginExpr()->getNumArgs();
>   }
> -  const Expr *getArgExpr(unsigned Index) const {
> +  virtual const Expr *getArgExpr(unsigned Index) const {
>     return getOriginExpr()->getArg(Index);
>   }
> 
> @@ -645,7 +621,7 @@
>     return getOriginExpr()->getSelector();
>   }
> 
> -  SourceRange getSourceRange() const;
> +  virtual SourceRange getSourceRange() const;
> 
>   /// \brief Returns the value of the receiver at the time of this call.
>   SVal getReceiverSVal() const;
> @@ -675,7 +651,7 @@
>   // TODO: We might want to only compute this once (or change the API for 
>   // getting the parameters). Currently, this gets called 3 times during 
>   // inlining.
> -  const Decl *getRuntimeDefinition() const {
> +  virtual const Decl *getRuntimeDefinition() const {
> 
>     const ObjCMessageExpr *E = getOriginExpr();
>     if (E->isInstanceMessage()) {
> @@ -692,129 +668,16 @@
>     return 0;
>   }
> 
> -  SVal getCXXThisVal() const { return UndefinedVal(); }
> +  virtual param_iterator param_begin(bool UseDefinitionParams = false) const;
> +  virtual param_iterator param_end(bool UseDefinitionParams = false) const;
> 
> -  bool argumentsMayEscape() const {
> -    return hasNonZeroCallbackArg();
> -  }
> -  
> -  SVal getArgSVal(unsigned Index) const { return getSVal(getArgExpr(Index)); }
> -  SourceRange getArgSourceRange(unsigned Index) const {
> -    return getArgExpr(Index)->getSourceRange();
> -  }
> -
> -  param_iterator param_begin(bool UseDefinitionParams = false) const;
> -  param_iterator param_end(bool UseDefinitionParams = false) const;
> +  virtual Kind getKind() const { return CE_ObjCMessage; }
> 
>   static bool classof(const CallEvent *CA) {
>     return CA->getKind() == CE_ObjCMessage;
>   }
> };
> 
> -
> -// FIXME: Use a .def or .td file for this.
> -#define DISPATCH(fn) \
> -  switch (getKind()) { \
> -  case CE_Function: \
> -    return cast<FunctionCall>(this)->fn(); \
> -  case CE_CXXMember: \
> -    return cast<CXXMemberCall>(this)->fn(); \
> -  case CE_CXXMemberOperator: \
> -    return cast<CXXMemberOperatorCall>(this)->fn(); \
> -  case CE_Block: \
> -    return cast<BlockCall>(this)->fn(); \
> -  case CE_CXXConstructor: \
> -    return cast<CXXConstructorCall>(this)->fn(); \
> -  case CE_CXXDestructor: \
> -    return cast<CXXDestructorCall>(this)->fn(); \
> -  case CE_CXXAllocator: \
> -    return cast<CXXAllocatorCall>(this)->fn(); \
> -  case CE_ObjCMessage: \
> -    return cast<ObjCMethodCall>(this)->fn(); \
> -  } \
> -  llvm_unreachable("unknown CallEvent kind");
> -
> -#define DISPATCH_ARG(fn, arg) \
> -  switch (getKind()) { \
> -  case CE_Function: \
> -    return cast<FunctionCall>(this)->fn(arg); \
> -  case CE_CXXMember: \
> -    return cast<CXXMemberCall>(this)->fn(arg); \
> -  case CE_CXXMemberOperator: \
> -    return cast<CXXMemberOperatorCall>(this)->fn(arg); \
> -  case CE_Block: \
> -    return cast<BlockCall>(this)->fn(arg); \
> -  case CE_CXXConstructor: \
> -    return cast<CXXConstructorCall>(this)->fn(arg); \
> -  case CE_CXXDestructor: \
> -    return cast<CXXDestructorCall>(this)->fn(arg); \
> -  case CE_CXXAllocator: \
> -    return cast<CXXAllocatorCall>(this)->fn(arg); \
> -  case CE_ObjCMessage: \
> -    return cast<ObjCMethodCall>(this)->fn(arg); \
> -  } \
> -  llvm_unreachable("unknown CallEvent kind");
> -
> -inline void CallEvent::getExtraInvalidatedRegions(RegionList &Regions) const {
> -  DISPATCH_ARG(getExtraInvalidatedRegions, Regions);
> -}
> -
> -inline QualType CallEvent::getDeclaredResultType() const {
> -  DISPATCH(getDeclaredResultType);
> -}
> -
> -inline const Decl *CallEvent::getDecl() const {
> -  if (const Decl *D = Origin.dyn_cast<const Decl *>())
> -    return D;
> -  DISPATCH(getDecl);
> -}
> -
> -inline const Decl *CallEvent::getRuntimeDefinition() const {
> -  DISPATCH(getRuntimeDefinition);
> -}
> -
> -inline unsigned CallEvent::getNumArgs() const {
> -  DISPATCH(getNumArgs);
> -}
> -
> -inline SourceRange CallEvent::getSourceRange() const {
> -  DISPATCH(getSourceRange);
> -}
> -
> -inline SVal CallEvent::getArgSVal(unsigned Index) const {
> -  DISPATCH_ARG(getArgSVal, Index);
> -}
> -
> -inline const Expr *CallEvent::getArgExpr(unsigned Index) const {
> -  DISPATCH_ARG(getArgExpr, Index);
> -}
> -
> -inline SourceRange CallEvent::getArgSourceRange(unsigned Index) const {
> -  DISPATCH_ARG(getArgSourceRange, Index);
> -}
> -
> -inline SVal CallEvent::getCXXThisVal() const {
> -  DISPATCH(getCXXThisVal);
> -}
> -
> -
> -inline bool CallEvent::argumentsMayEscape() const {
> -  DISPATCH(argumentsMayEscape);
> -}
> -
> -inline CallEvent::param_iterator
> -CallEvent::param_begin(bool UseDefinitionParams) const {
> -  DISPATCH_ARG(param_begin, UseDefinitionParams);
> -}
> -
> -inline CallEvent::param_iterator
> -CallEvent::param_end(bool UseDefinitionParams) const {
> -  DISPATCH_ARG(param_end, UseDefinitionParams);
> -}
> -
> -#undef DISPATCH
> -#undef DISPATCH_ARG
> -
> } // end namespace ento
> } // end namespace clang
> 
> 
> Modified: cfe/trunk/lib/StaticAnalyzer/Core/CallEvent.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Core/CallEvent.cpp?rev=160817&r1=160816&r2=160817&view=diff
> ==============================================================================
> --- cfe/trunk/lib/StaticAnalyzer/Core/CallEvent.cpp (original)
> +++ cfe/trunk/lib/StaticAnalyzer/Core/CallEvent.cpp Thu Jul 26 16:41:15 2012
> @@ -193,9 +193,43 @@
>   return PostImplicitCall(D, Loc, getLocationContext(), Tag);
> }
> 
> +SVal CallEvent::getArgSVal(unsigned Index) const {
> +  const Expr *ArgE = getArgExpr(Index);
> +  if (!ArgE)
> +    return UnknownVal();
> +  return getSVal(ArgE);
> +}
> +
> +SourceRange CallEvent::getArgSourceRange(unsigned Index) const {
> +  const Expr *ArgE = getArgExpr(Index);
> +  if (!ArgE)
> +    return SourceRange();
> +  return ArgE->getSourceRange();
> +}
> +
> +void CallEvent::dump(raw_ostream &Out) const {
> +  ASTContext &Ctx = getState()->getStateManager().getContext();
> +  if (const Expr *E = getOriginExpr()) {
> +    E->printPretty(Out, Ctx, 0, Ctx.getPrintingPolicy());
> +    Out << "\n";
> +    return;
> +  }
> +
> +  if (const Decl *D = getDecl()) {
> +    Out << "Call to ";
> +    D->print(Out, Ctx.getPrintingPolicy());
> +    return;
> +  }
> +
> +  // FIXME: a string representation of the kind would be nice.
> +  Out << "Unknown call (type " << getKind() << ")";
> +}
> +
> 
> bool CallEvent::mayBeInlined(const Stmt *S) {
> -  return isa<CallExpr>(S);
> +  // FIXME: Kill this.
> +  return isa<CallExpr>(S) || isa<ObjCMessageExpr>(S)
> +                          || isa<CXXConstructExpr>(S);
> }
> 
> 
> @@ -283,20 +317,6 @@
>   return false;
> }
> 
> -SVal AnyFunctionCall::getArgSVal(unsigned Index) const {
> -  const Expr *ArgE = getArgExpr(Index);
> -  if (!ArgE)
> -    return UnknownVal();
> -  return getSVal(ArgE);
> -}
> -
> -SourceRange AnyFunctionCall::getArgSourceRange(unsigned Index) const {
> -  const Expr *ArgE = getArgExpr(Index);
> -  if (!ArgE)
> -    return SourceRange();
> -  return ArgE->getSourceRange();
> -}
> -
> 
> const FunctionDecl *SimpleCall::getDecl() const {
>   const FunctionDecl *D = getOriginExpr()->getDirectCallee();
> @@ -306,24 +326,6 @@
>   return getSVal(getOriginExpr()->getCallee()).getAsFunctionDecl();
> }
> 
> -void CallEvent::dump(raw_ostream &Out) const {
> -  ASTContext &Ctx = getState()->getStateManager().getContext();
> -  if (const Expr *E = getOriginExpr()) {
> -    E->printPretty(Out, Ctx, 0, Ctx.getLangOpts());
> -    Out << "\n";
> -    return;
> -  }
> -
> -  if (const Decl *D = getDecl()) {
> -    Out << "Call to ";
> -    D->print(Out, Ctx.getLangOpts());
> -    return;
> -  }
> -
> -  // FIXME: a string representation of the kind would be nice.
> -  Out << "Unknown call (type " << getKind() << ")";
> -}
> -
> 
> void CXXInstanceCall::getExtraInvalidatedRegions(RegionList &Regions) const {
>   if (const MemRegion *R = getCXXThisVal().getAsRegion())
> 
> 
> _______________________________________________
> cfe-commits mailing list
> cfe-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits

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