[cfe-commits] r114925 - in /cfe/trunk: include/clang/AST/DeclCXX.h lib/AST/DeclCXX.cpp lib/Sema/SemaDeclCXX.cpp

Douglas Gregor dgregor at apple.com
Mon Sep 27 16:39:06 PDT 2010


Author: dgregor
Date: Mon Sep 27 18:39:06 2010
New Revision: 114925

URL: http://llvm.org/viewvc/llvm-project?rev=114925&view=rev
Log:
Centralize the management of CXXRecordDecl::DefinitionData's
Polymorphic bit in CXXRecordDecl itself. Yes, this is also part of
<rdar://problem/8459981>.

Modified:
    cfe/trunk/include/clang/AST/DeclCXX.h
    cfe/trunk/lib/AST/DeclCXX.cpp
    cfe/trunk/lib/Sema/SemaDeclCXX.cpp

Modified: cfe/trunk/include/clang/AST/DeclCXX.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/DeclCXX.h?rev=114925&r1=114924&r2=114925&view=diff
==============================================================================
--- cfe/trunk/include/clang/AST/DeclCXX.h (original)
+++ cfe/trunk/include/clang/AST/DeclCXX.h Mon Sep 27 18:39:06 2010
@@ -708,10 +708,6 @@
   /// which means that the class contains or inherits a virtual function.
   bool isPolymorphic() const { return data().Polymorphic; }
 
-  /// setPolymorphic - Set whether this class is polymorphic (C++
-  /// [class.virtual]).
-  void setPolymorphic(bool Poly) { data().Polymorphic = Poly; }
-
   /// isAbstract - Whether this class is abstract (C++ [class.abstract]),
   /// which means that the class contains or inherits a pure virtual function.
   bool isAbstract() const { return data().Abstract; }

Modified: cfe/trunk/lib/AST/DeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/DeclCXX.cpp?rev=114925&r1=114924&r2=114925&view=diff
==============================================================================
--- cfe/trunk/lib/AST/DeclCXX.cpp (original)
+++ cfe/trunk/lib/AST/DeclCXX.cpp Mon Sep 27 18:39:06 2010
@@ -110,6 +110,12 @@
     if (!BaseClassDecl->isEmpty())
       data().Empty = false;
     
+    // C++ [class.virtual]p1:
+    //   A class that declares or inherits a virtual function is called a 
+    //   polymorphic class.
+    if (BaseClassDecl->isPolymorphic())
+      data().Polymorphic = true;
+    
     // Now go through all virtual bases of this base and add them.
     for (CXXRecordDecl::base_class_iterator VBase =
           BaseClassDecl->vbases_begin(),
@@ -298,6 +304,11 @@
       // Virtual functions make the class non-empty.
       // FIXME: Standard ref?
       data().Empty = false;
+
+      // C++ [class.virtual]p1:
+      //   A class that declares or inherits a virtual function is called a 
+      //   polymorphic class.
+      data().Polymorphic = true;
     }
   }
   
@@ -640,7 +651,6 @@
 
 void CXXRecordDecl::setMethodAsVirtual(FunctionDecl *Method) {
   Method->setVirtualAsWritten(true);
-  setPolymorphic(true);
   setHasTrivialConstructor(false);
   setHasTrivialCopyConstructor(false);
   setHasTrivialCopyAssignment(false);

Modified: cfe/trunk/lib/Sema/SemaDeclCXX.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclCXX.cpp?rev=114925&r1=114924&r2=114925&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaDeclCXX.cpp (original)
+++ cfe/trunk/lib/Sema/SemaDeclCXX.cpp Mon Sep 27 18:39:06 2010
@@ -516,12 +516,6 @@
 void Sema::SetClassDeclAttributesFromBase(CXXRecordDecl *Class,
                                           const CXXRecordDecl *BaseClass,
                                           bool BaseIsVirtual) {
-  // C++ [class.virtual]p1:
-  //   A class that [...] inherits a virtual function is called a polymorphic
-  //   class.
-  if (BaseClass->isPolymorphic())
-    Class->setPolymorphic(true);
-
   if (BaseIsVirtual) {
     // C++ [class.ctor]p5:
     //   A constructor is trivial if its class has no virtual base classes.





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