Add comment to ObjcClassDecl.

Move ObjcClassDecl to be next to ObjcForwardProtocolDecl. Since they are very similar, might want to unify their names (e.g. ObjcForwardClassDecl).
Change indentation of ObjcForwardProtocolDecl to conform to everything else in DeclObjC.h.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@42513 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/clang/AST/DeclObjC.h b/include/clang/AST/DeclObjC.h
index c17aca6543c45d3611ae0e653f5333d42074dbfe..9deb1dc533fd37ffd0e227ce88f682d2b0fc74d1 100644 (file)
--- a/include/clang/AST/DeclObjC.h
+++ b/include/clang/AST/DeclObjC.h
@@ -167,28 +167,6 @@ private:
   AccessControl DeclAccess : 3;
 };
 
-class ObjcClassDecl : public TypeDecl {
-  ObjcInterfaceDecl **ForwardDecls;   // Null if not defined.
-  int NumForwardDecls;               // -1 if not defined.
-public:
-  ObjcClassDecl(SourceLocation L, unsigned nElts)
-    : TypeDecl(ObjcClass, L, 0, 0) { 
-    if (nElts) {
-      ForwardDecls = new ObjcInterfaceDecl*[nElts];
-      memset(ForwardDecls, '\0', nElts*sizeof(ObjcInterfaceDecl*));
-    }
-    NumForwardDecls = nElts;
-  }
-  void setInterfaceDecl(int idx, ObjcInterfaceDecl *OID) {
-    assert((idx < NumForwardDecls) && "index out of range");
-    ForwardDecls[idx] = OID;
-  }
-  static bool classof(const Decl *D) {
-    return D->getKind() == ObjcClass;
-  }
-  static bool classof(const ObjcClassDecl *D) { return true; }
-};
-
 /// ObjcMethodDecl - Represents an instance or class method declaration.
 /// ObjC methods can be declared within 4 contexts: class interfaces,
 /// categories, protocols, and class implementations. While C++ member
@@ -353,31 +331,57 @@ public:
   static bool classof(const ObjcProtocolDecl *D) { return true; }
 };
   
-/// ObjcForwardProtocolDecl - Represents a forward protocol declaration.
-/// For example:
+/// ObjcClassDecl - Specifies a list of forward class declarations. For example:
+///
+/// @class NSCursor, NSImage, NSPasteboard, NSWindow;
 ///
+class ObjcClassDecl : public TypeDecl {
+  ObjcInterfaceDecl **ForwardDecls;   // Null if not defined.
+  int NumForwardDecls;               // -1 if not defined.
+public:
+  ObjcClassDecl(SourceLocation L, unsigned nElts)
+    : TypeDecl(ObjcClass, L, 0, 0) { 
+    if (nElts) {
+      ForwardDecls = new ObjcInterfaceDecl*[nElts];
+      memset(ForwardDecls, '\0', nElts*sizeof(ObjcInterfaceDecl*));
+    }
+    NumForwardDecls = nElts;
+  }
+  void setInterfaceDecl(int idx, ObjcInterfaceDecl *OID) {
+    assert((idx < NumForwardDecls) && "index out of range");
+    ForwardDecls[idx] = OID;
+  }
+  static bool classof(const Decl *D) {
+    return D->getKind() == ObjcClass;
+  }
+  static bool classof(const ObjcClassDecl *D) { return true; }
+};
+
+/// ObjcForwardProtocolDecl - Specifies a list of forward protocol declarations.
+/// For example:
+/// 
 /// @protocol NSTextInput, NSChangeSpelling, NSDraggingInfo;
 /// 
 class ObjcForwardProtocolDecl : public TypeDecl {
-    ObjcProtocolDecl **ForwardProtocolDecls;   // Null if not defined.
-    int NumForwardProtocolDecls;               // -1 if not defined.
-  public:
-    ObjcForwardProtocolDecl(SourceLocation L, unsigned nElts)
-    : TypeDecl(ObjcForwardProtocol, L, 0, 0) { 
-      if (nElts) {
-        ForwardProtocolDecls = new ObjcProtocolDecl*[nElts];
-        memset(ForwardProtocolDecls, '\0', nElts*sizeof(ObjcProtocolDecl*));
-        NumForwardProtocolDecls = nElts;
-      }
-    }
-    void setForwardProtocolDecl(int idx, ObjcProtocolDecl *OID) {
-      assert((idx < NumForwardProtocolDecls) && "index out of range");
-      ForwardProtocolDecls[idx] = OID;
-    }
-    static bool classof(const Decl *D) {
-      return D->getKind() == ObjcForwardProtocol;
+  ObjcProtocolDecl **ForwardProtocolDecls;   // Null if not defined.
+  int NumForwardProtocolDecls;               // -1 if not defined.
+public:
+  ObjcForwardProtocolDecl(SourceLocation L, unsigned nElts)
+  : TypeDecl(ObjcForwardProtocol, L, 0, 0) { 
+    if (nElts) {
+      ForwardProtocolDecls = new ObjcProtocolDecl*[nElts];
+      memset(ForwardProtocolDecls, '\0', nElts*sizeof(ObjcProtocolDecl*));
+      NumForwardProtocolDecls = nElts;
     }
-    static bool classof(const ObjcForwardProtocolDecl *D) { return true; }
+  }
+  void setForwardProtocolDecl(int idx, ObjcProtocolDecl *OID) {
+    assert((idx < NumForwardProtocolDecls) && "index out of range");
+    ForwardProtocolDecls[idx] = OID;
+  }
+  static bool classof(const Decl *D) {
+    return D->getKind() == ObjcForwardProtocol;
+  }
+  static bool classof(const ObjcForwardProtocolDecl *D) { return true; }
 };
 
 /// ObjcCategoryDecl - Represents a category declaration. A category allows