Nice!

On Oct 18, 2012, at 12:17 , Anna Zaks <[email protected]> wrote:

> Author: zaks
> Date: Thu Oct 18 14:17:53 2012
> New Revision: 166210
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=166210&view=rev
> Log:
> Factor CollectClassPropertyImplementations out of Sema into AST
> 
> This would make it possible for the analyzer to use the function.
> 
> Modified:
>    cfe/trunk/include/clang/AST/DeclObjC.h
>    cfe/trunk/lib/AST/DeclObjC.cpp
>    cfe/trunk/lib/Sema/SemaObjCProperty.cpp
> 
> Modified: cfe/trunk/include/clang/AST/DeclObjC.h
> URL: 
> http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/DeclObjC.h?rev=166210&r1=166209&r2=166210&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/AST/DeclObjC.h (original)
> +++ cfe/trunk/include/clang/AST/DeclObjC.h Thu Oct 18 14:17:53 2012
> @@ -541,6 +541,12 @@
> 
>   ObjCPropertyDecl *FindPropertyDeclaration(IdentifierInfo *PropertyId) const;
> 
> +  typedef llvm::DenseMap<IdentifierInfo *, ObjCPropertyDecl*> PropertyMap;
> +
> +  /// This routine collects list of properties to be implemented in the 
> class.
> +  /// This includes, class's and its conforming protocols' properties.
> +  virtual void collectPropertiesToImplement(PropertyMap& PM) const {}

Nitpicking: the ampersand should go with the name, and the asterisks are 
inconsistent in the typedef. I'd also appreciate a reminder that the 
superclass's properties are NOT included in the list.


>   SourceLocation getAtStartLoc() const { return AtStart; }
>   void setAtStartLoc(SourceLocation Loc) { AtStart = Loc; }
> 
> @@ -900,6 +906,8 @@
>   ObjCPropertyDecl
>     *FindPropertyVisibleInPrimaryClass(IdentifierInfo *PropertyId) const;
> 
> +  virtual void collectPropertiesToImplement(PropertyMap& PM) const;

Ampersand.

>   /// isSuperClassOf - Return true if this class is the specified class or is 
> a
>   /// super class of the specified interface class.
>   bool isSuperClassOf(const ObjCInterfaceDecl *I) const {
> @@ -1294,6 +1302,8 @@
>     return getFirstDeclaration();
>   }
> 
> +  virtual void collectPropertiesToImplement(PropertyMap& PM) const;

Ampersand.

>   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
>   static bool classofKind(Kind K) { return K == ObjCProtocol; }
> 
> 
> Modified: cfe/trunk/lib/AST/DeclObjC.cpp
> URL: 
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/DeclObjC.cpp?rev=166210&r1=166209&r2=166210&view=diff
> ==============================================================================
> --- cfe/trunk/lib/AST/DeclObjC.cpp (original)
> +++ cfe/trunk/lib/AST/DeclObjC.cpp Thu Oct 18 14:17:53 2012
> @@ -190,6 +190,18 @@
>   return 0;
> }
> 
> +void ObjCInterfaceDecl::collectPropertiesToImplement(PropertyMap& PM) const {
> +  for (ObjCContainerDecl::prop_iterator P = prop_begin(),
> +      E = prop_end(); P != E; ++P) {
> +    ObjCPropertyDecl *Prop = *P;
> +    PM[Prop->getIdentifier()] = Prop;
> +  }
> +  for (ObjCInterfaceDecl::all_protocol_iterator
> +      PI = all_referenced_protocol_begin(),
> +      E = all_referenced_protocol_end(); PI != E; ++PI)
> +    (*PI)->collectPropertiesToImplement(PM);
> +}

I'd appreciate a reminder that properties declared only in class extensions are 
still copied into the main @interface's property list, and therefore we don't 
explicitly have to search class extension properties. (I just spent five 
minutes or so verifying that this was true.)


> void ObjCInterfaceDecl::mergeClassExtensionProtocolList(
>                               ObjCProtocolDecl *const* ExtList, unsigned 
> ExtNum,
>                               ASTContext &C)
> @@ -1313,6 +1325,20 @@
>     RD->Data = this->Data;
> }
> Modified: cfe/trunk/lib/Sema/SemaObjCProperty.cpp
> URL: 
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaObjCProperty.cpp?rev=166210&r1=166209&r2=166210&view=diff
> ==============================================================================
> --- cfe/trunk/lib/Sema/SemaObjCProperty.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaObjCProperty.cpp Thu Oct 18 14:17:53 2012
> @@ -1435,8 +1435,8 @@
> /// CollectImmediateProperties - This routine collects all properties in
> /// the class and its conforming protocols; but not those it its super class.
> void Sema::CollectImmediateProperties(ObjCContainerDecl *CDecl,
> -            llvm::DenseMap<IdentifierInfo *, ObjCPropertyDecl*>& PropMap,
> -            llvm::DenseMap<IdentifierInfo *, ObjCPropertyDecl*>& 
> SuperPropMap) {
> +            ObjCContainerDecl::PropertyMap& PropMap,
> +            ObjCContainerDecl::PropertyMap& SuperPropMap) {
>   if (ObjCInterfaceDecl *IDecl = dyn_cast<ObjCInterfaceDecl>(CDecl)) {
>     for (ObjCContainerDecl::prop_iterator P = IDecl->prop_begin(),
>          E = IDecl->prop_end(); P != E; ++P) {
> @@ -1482,44 +1482,14 @@
>   }
> }

Ampersands.

> /// CollectSuperClassPropertyImplementations - This routine collects list of
> /// properties to be implemented in super class(s) and also coming from their
> /// conforming protocols.
> static void CollectSuperClassPropertyImplementations(ObjCInterfaceDecl *CDecl,
> -                llvm::DenseMap<IdentifierInfo *, ObjCPropertyDecl*>& 
> PropMap) {
> +                                    ObjCInterfaceDecl::PropertyMap& PropMap) 
> {
>   if (ObjCInterfaceDecl *SDecl = CDecl->getSuperClass()) {
>     while (SDecl) {
> -      CollectClassPropertyImplementations(SDecl, PropMap);
> +      SDecl->collectPropertiesToImplement(PropMap);
>       SDecl = SDecl->getSuperClass();
>     }
>   }

Ampersand. Also wondering if this could be made a little more compact, but it 
doesn't actually seem to get much cleaner.


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