Bug 700740 - Doxygen does not create links on C++ 11 style enum classes

src/code.l

@@ -863,7 +863,7 @@ static bool getLinkInScope(const QCString &c,  // scope
     }
 
     Definition *d = md->getOuterScope()==Doxygen::globalScope ?
-	            md->getBodyDef() : md->getOuterScope();
+	            md->getFileDef() : md->getOuterScope();
     if (md->getGroupDef()) d = md->getGroupDef();
     if (d && d->isLinkable())
     {
@@ -1000,7 +1000,7 @@ static void generateClassOrGlobalLink(CodeOutputInterface &ol,const char *clName
     if (md)
     {
       Definition *d = md->getOuterScope()==Doxygen::globalScope ?
-                      md->getBodyDef() : md->getOuterScope();
+                      md->getFileDef() : md->getOuterScope();
       if (md->getGroupDef()) d = md->getGroupDef();
       if (d && d->isLinkable() && md->isLinkable() && g_currentMemberDef)
       {
@@ -1098,7 +1098,7 @@ static bool generateClassMemberLink(CodeOutputInterface &ol,MemberDef *xmd,const
   g_theCallContext.setClass(typeClass);
 
   Definition *xd = xmd->getOuterScope()==Doxygen::globalScope ?
-    xmd->getBodyDef() : xmd->getOuterScope();
+                   xmd->getFileDef() : xmd->getOuterScope();
   if (xmd->getGroupDef()) xd = xmd->getGroupDef();
   if (xd && xd->isLinkable())
   {

src/memberdef.cpp

@@ -3795,6 +3795,12 @@ QCString MemberDef::qualifiedName() const
     qm+="]";
     return qm;
   }
+  else if (m_impl->enumScope && m_impl->enumScope->isStrong())
+  {
+    return m_impl->enumScope->qualifiedName()+
+           getLanguageSpecificSeparator(getLanguage())+
+           localName();
+  }
   else
   {
     return Definition::qualifiedName();
@@ -4139,6 +4145,13 @@ bool MemberDef::isStrong() const
   return (m_impl->memSpec&Entry::Strong)!=0; 
 }
 
+bool MemberDef::isStrongEnumValue() const
+{
+  return m_impl->mtype==MemberType_EnumValue &&
+         m_impl->enumScope && 
+         m_impl->enumScope->isStrong();
+}
+
 bool MemberDef::isUnretained() const
 {
   return (m_impl->memSpec&Entry::Unretained)!=0; 
@@ -4845,4 +4858,3 @@ void combineDeclarationAndDefinition(MemberDef *mdec,MemberDef *mdef)
   }
 }
 
-

src/memberdef.h

@@ -169,6 +169,7 @@ class MemberDef : public Definition
     bool hasMultiLineInitializer() const;
     bool protectionVisible() const;
     bool showInCallGraph() const;
+    bool isStrongEnumValue() const;
 
     // output info
     bool isLinkableInProject() const;

src/util.cpp

@@ -1873,18 +1873,22 @@ int findParameterList(const QString &name)
 
 bool rightScopeMatch(const QCString &scope, const QCString &name)
 {
+  int sl=scope.length();
+  int nl=name.length();
   return (name==scope || // equal 
-      (scope.right(name.length())==name && // substring 
-       scope.at(scope.length()-name.length()-1)==':' // scope
+          (scope.right(nl)==name && // substring 
+           sl-nl>1 && scope.at(sl-nl-1)==':' && scope.at(sl-nl-2)==':' // scope
           ) 
          );
 }
 
 bool leftScopeMatch(const QCString &scope, const QCString &name)
 {
+  int sl=scope.length();
+  int nl=name.length();
   return (name==scope || // equal 
-      (scope.left(name.length())==name && // substring 
-       scope.at(name.length())==':' // scope
+          (scope.left(nl)==name && // substring 
+           sl>nl+1 && scope.at(nl)==':' && scope.at(nl+1)==':' // scope
           ) 
          );
 }
@@ -3972,8 +3976,9 @@ bool getDefs(const QCString &scName,
         className=mScope;
       }
 
-      ClassDef *fcd=getResolvedClass(Doxygen::globalScope,0,className);
-      //printf("Trying class scope %s: %p\n",className.data(),fcd);
+      MemberDef *tmd=0;
+      ClassDef *fcd=getResolvedClass(Doxygen::globalScope,0,className,&tmd);
+      //printf("Trying class scope %s: fcd=%p tmd=%p\n",className.data(),fcd,tmd);
       // todo: fill in correct fileScope!
       if (fcd &&  // is it a documented class
           fcd->isLinkable() 
@@ -3991,8 +3996,8 @@ bool getDefs(const QCString &scName,
         }
         for (mmli.toFirst();(mmd=mmli.current());++mmli)
         {
-          //if (mmd->isLinkable())
-          //{
+          if (!mmd->isStrongEnumValue())
+          {
             ArgumentList *mmdAl = mmd->argumentList();
             bool match=args==0 || 
               matchArguments2(mmd->getOuterScope(),mmd->getFileDef(),mmdAl,
@@ -4014,7 +4019,7 @@ bool getDefs(const QCString &scName,
                 }
               }
             }
-          //}
+          }
         }
         if (argList)
         {
@@ -4047,7 +4052,7 @@ bool getDefs(const QCString &scName,
         //printf("  >Succes=%d\n",mdist<maxInheritanceDepth);
         if (mdist<maxInheritanceDepth) 
         {
-          if (!md->isLinkable()) 
+          if (!md->isLinkable() || md->isStrongEnumValue()) 
           {
             md=0; // avoid returning things we cannot link to
             cd=0;
@@ -4061,6 +4066,34 @@ bool getDefs(const QCString &scName,
           }
         }
       } 
+      if (tmd && tmd->isEnumerate() && tmd->isStrong()) // scoped enum
+      {
+        //printf("Found scoped enum!\n");
+        MemberList *tml = tmd->enumFieldList();
+        if (tml)
+        {
+          MemberListIterator tmi(*tml);
+          MemberDef *emd;
+          for (;(emd=tmi.current());++tmi)
+          {
+            if (emd->localName()==mName)
+            {
+              if (emd->isLinkable())
+              {
+                cd=tmd->getClassDef();
+                md=emd;
+              }
+              else
+              {
+                cd=0;
+                md=0;
+              }
+              //printf("result cd=%p md=%p\n",cd,md);
+              return TRUE;
+            }
+          }
+        }
+      }
       /* go to the parent scope */
       if (scopeOffset==0)
       {
@@ -4075,6 +4108,7 @@ bool getDefs(const QCString &scName,
   }
   if (mn && scopeName.isEmpty() && mScope.isEmpty()) // Maybe a related function?
   {
+    //printf("Global symbol\n");
     MemberListIterator mmli(*mn);
     MemberDef *mmd, *fuzzy_mmd = 0;
     ArgumentList *argList = 0;
@@ -4108,7 +4142,7 @@ bool getDefs(const QCString &scName,
 
     mmd = mmd ? mmd : fuzzy_mmd;
 
-    if (mmd)
+    if (mmd && !mmd->isStrongEnumValue())
     {
       md = mmd;
       cd = mmd->getClassDef();
@@ -4142,7 +4176,8 @@ bool getDefs(const QCString &scName,
           fnd->isLinkable()
          )
       {
-        //printf("Function inside existing namespace `%s'\n",namespaceName.data());
+        //printf("Symbol inside existing namespace `%s' count=%d\n",
+        //    namespaceName.data(),mn->count());
         bool found=FALSE;
         MemberListIterator mmli(*mn);
         MemberDef *mmd;
@@ -4150,7 +4185,26 @@ bool getDefs(const QCString &scName,
         {
           //printf("mmd->getNamespaceDef()=%p fnd=%p\n",
           //    mmd->getNamespaceDef(),fnd);
-          if (mmd->getNamespaceDef()==fnd /* && mmd->isLinkable() */ )
+          MemberDef *emd = mmd->getEnumScope();
+          if (emd && emd->isStrong())
+          {
+            //printf("yes match %s<->%s!\n",mScope.data(),emd->localName().data());
+            if (emd->getNamespaceDef()==fnd && 
+                rightScopeMatch(mScope,emd->localName()))
+            {
+              //printf("found it!\n");
+              nd=fnd;
+              md=mmd;
+              found=TRUE;
+            }
+            else
+            {
+              md=0;
+              cd=0;
+              return FALSE;
+            }
+          }
+          else if (mmd->getNamespaceDef()==fnd /* && mmd->isLinkable() */ )
           { // namespace is found
             bool match=TRUE;
             ArgumentList *argList=0;
@@ -4206,6 +4260,35 @@ bool getDefs(const QCString &scName,
           }
         }
       }
+      else
+      {
+        //printf("not a namespace\n");
+        bool found=FALSE;
+        MemberListIterator mmli(*mn);
+        MemberDef *mmd;
+        for (mmli.toFirst();((mmd=mmli.current()) && !found);++mmli)
+        {
+          MemberDef *tmd = mmd->getEnumScope();
+          //printf("try member %s tmd=%s\n",mmd->name().data(),tmd?tmd->name().data():"<none>");
+          int ni=namespaceName.findRev("::");
+          bool notInNS = tmd && ni==-1 && tmd->getNamespaceDef()==0;
+          bool sameNS  = tmd && tmd->getNamespaceDef() && namespaceName.left(ni)==tmd->getNamespaceDef()->name();
+          //printf("notInNS=%d sameNS=%d\n",notInNS,sameNS);
+          if (tmd && tmd->isStrong() && // C++11 enum class
+              (notInNS || sameNS) &&
+              namespaceName.length()>0  // enum is part of namespace so this should not be empty
+             )
+          {
+            md=mmd;
+            fd=mmd->getFileDef();
+            gd=mmd->getGroupDef();
+            if (gd && gd->isLinkable()) fd=0; else gd=0;
+            //printf("Found scoped enum %s fd=%p gd=%p\n",
+            //    mmd->name().data(),fd,gd);
+            return TRUE;
+          }
+        }
+      }
       if (scopeOffset==0)
       {
         scopeOffset=-1;
@@ -4238,8 +4321,10 @@ bool getDefs(const QCString &scName,
           //printf("member is linkable md->name()=`%s'\n",md->name().data());
           fd=md->getFileDef();
           gd=md->getGroupDef();
+          MemberDef *tmd = md->getEnumScope();
           if (
-              (gd && gd->isLinkable()) || (fd && fd->isLinkable()) 
+              (gd && gd->isLinkable()) || (fd && fd->isLinkable()) ||
+              (tmd && tmd->isStrong())
              )
           {
             members.append(md);
@@ -4252,7 +4337,8 @@ bool getDefs(const QCString &scName,
       {
         md=members.last();
       }
-      if (md) // found a matching global member
+      if (md && (md->getEnumScope()==0 || !md->getEnumScope()->isStrong())) 
+           // found a matching global member, that is not a scoped enum value (or uniquely matches)
       {
         fd=md->getFileDef();
         gd=md->getGroupDef();
@@ -4466,6 +4552,7 @@ bool resolveRef(/* in */  const char *scName,
   {
     //printf("after getDefs checkScope=%d nameStr=%s cd=%p nd=%p\n",checkScope,nameStr.data(),cd,nd);
     if (checkScope && md && md->getOuterScope()==Doxygen::globalScope && 
+        !md->isStrongEnumValue() &&
         (!scopeStr.isEmpty() || nameStr.find("::")>0))
     {
       // we did find a member, but it is a global one while we were explicitly