Remove Sema.h's dependency on DeclCXX.h.

llvm-svn: 112032

clang/include/clang/Sema/Lookup.h

@@ -16,6 +16,7 @@
 #define LLVM_CLANG_SEMA_LOOKUP_H
 
 #include "clang/Sema/Sema.h"
+#include "clang/AST/DeclCXX.h"
 
 namespace clang {
 

clang/include/clang/Sema/Sema.h

@@ -21,7 +21,6 @@
 #include "clang/Sema/ObjCMethodList.h"
 #include "clang/Sema/SemaDiagnostic.h"
 #include "clang/AST/Decl.h"
-#include "clang/AST/DeclCXX.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/DeclarationName.h"
 #include "llvm/ADT/OwningPtr.h"
@@ -396,7 +395,8 @@ public:
                    CXXRecordDecl *DerivedClass,
                    AccessSpecifier Access)
       : Access(Access), IsMember(false),
-        Target(BaseClass), NamingClass(DerivedClass),
+        Target(reinterpret_cast<NamedDecl*>(BaseClass)),
+        NamingClass(DerivedClass),
         Diag(0, Context.getDiagAllocator()) {
     }
 
@@ -409,7 +409,9 @@ public:
     CXXRecordDecl *getNamingClass() const { return NamingClass; }
 
     // ...and these apply to hierarchy conversions.
-    CXXRecordDecl *getBaseClass() const { return cast<CXXRecordDecl>(Target); }
+    CXXRecordDecl *getBaseClass() const {
+      assert(!IsMember); return reinterpret_cast<CXXRecordDecl*>(Target);
+    }
     CXXRecordDecl *getDerivedClass() const { return NamingClass; }
 
     /// Retrieves the base object type, important when accessing
@@ -2157,16 +2159,10 @@ public:
                                            AttributeList *AttrList);
   virtual void ActOnFinishNamespaceDef(Decl *Dcl, SourceLocation RBrace);
 
-  NamespaceDecl *getStdNamespace() const {
-    return cast_or_null<NamespaceDecl>(
-                                 StdNamespace.get(Context.getExternalSource()));
-  }
+  NamespaceDecl *getStdNamespace() const;
   NamespaceDecl *getOrCreateStdNamespace();
 
-  CXXRecordDecl *getStdBadAlloc() const {
-    return cast_or_null<CXXRecordDecl>(
-                                  StdBadAlloc.get(Context.getExternalSource()));
-  }
+  CXXRecordDecl *getStdBadAlloc() const;
 
   virtual Decl *ActOnUsingDirective(Scope *CurScope,
                                         SourceLocation UsingLoc,

clang/lib/Parse/ParseAST.cpp

@@ -17,6 +17,7 @@
 #include "clang/Sema/SemaConsumer.h"
 #include "clang/Sema/ExternalSemaSource.h"
 #include "clang/AST/ASTConsumer.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/ExternalASTSource.h"
 #include "clang/AST/Stmt.h"
 #include "clang/Parse/Parser.h"

clang/lib/Sema/AnalysisBasedWarnings.cpp

@@ -17,6 +17,7 @@
 #include "clang/Sema/AnalysisBasedWarnings.h"
 #include "clang/Basic/SourceManager.h"
 #include "clang/AST/DeclObjC.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/ExprObjC.h"
 #include "clang/AST/ExprCXX.h"
 #include "clang/AST/StmtObjC.h"

clang/lib/Sema/JumpDiagnostics.cpp

@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/Sema/Sema.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/StmtObjC.h"
 #include "clang/AST/StmtCXX.h"

clang/lib/Sema/Sema.cpp

@@ -23,6 +23,7 @@
 #include "clang/Sema/SemaConsumer.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/ASTDiagnostic.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/Expr.h"
 #include "clang/Lex/Preprocessor.h"

clang/lib/Sema/SemaChecking.cpp

@@ -16,6 +16,7 @@
 #include "clang/Analysis/Analyses/FormatString.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/CharUnits.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/ExprCXX.h"
 #include "clang/AST/ExprObjC.h"

clang/lib/Sema/SemaDecl.cpp

@@ -20,6 +20,7 @@
 #include "clang/AST/ASTConsumer.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/CXXInheritance.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/DeclTemplate.h"
 #include "clang/AST/ExprCXX.h"

clang/lib/Sema/SemaDeclAttr.cpp

@@ -14,6 +14,7 @@
 #include "clang/Sema/Sema.h"
 #include "TargetAttributesSema.h"
 #include "clang/AST/ASTContext.h"
+#include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
 #include "clang/AST/Expr.h"
 #include "clang/Basic/TargetInfo.h"

clang/lib/Sema/SemaDeclCXX.cpp

@@ -3430,6 +3430,16 @@ void Sema::ActOnFinishNamespaceDef(Decl *Dcl, SourceLocation RBrace) {
     PopPragmaVisibility();
 }
 
+CXXRecordDecl *Sema::getStdBadAlloc() const {
+  return cast_or_null<CXXRecordDecl>(
+                                  StdBadAlloc.get(Context.getExternalSource()));
+}
+
+NamespaceDecl *Sema::getStdNamespace() const {
+  return cast_or_null<NamespaceDecl>(
+                                 StdNamespace.get(Context.getExternalSource()));
+}
+
 /// \brief Retrieve the special "std" namespace, which may require us to 
 /// implicitly define the namespace.
 NamespaceDecl *Sema::getOrCreateStdNamespace() {

clang/lib/Sema/TargetAttributesSema.cpp

@@ -12,9 +12,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "clang/Sema/Sema.h"
 #include "TargetAttributesSema.h"
+#include "clang/Sema/Sema.h"
 #include "clang/Basic/TargetInfo.h"
+#include "clang/AST/DeclCXX.h"
 #include "llvm/ADT/Triple.h"
 
 using namespace clang;

clang/lib/Sema/TargetAttributesSema.h

@@ -13,7 +13,7 @@
 namespace clang {
   class Scope;
   class Decl;
-  class Attr;
+  class AttributeList;
   class Sema;
 
   class TargetAttributesSema {