Vendor import of clang release_32 branch r168974 (effectively, 3.2 RC2):

http://llvm.org/svn/llvm-project/cfe/branches/release_32@168974

1 files changed, 19 insertions, 33 deletions

diff --git a/include/clang/AST/Decl.h b/include/clang/AST/Decl.h
index e9f25b3..087a585 100644
--- a/include/clang/AST/Decl.h
+++ b/include/clang/AST/Decl.h
@@ -88,7 +88,6 @@ public:
   static TranslationUnitDecl *Create(ASTContext &C);
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const TranslationUnitDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == TranslationUnit; }
   static DeclContext *castToDeclContext(const TranslationUnitDecl *D) {
     return static_cast<DeclContext *>(const_cast<TranslationUnitDecl*>(D));
@@ -214,16 +213,19 @@ public:
   bool isCXXInstanceMember() const;
 
   class LinkageInfo {
-    Linkage linkage_;
-    Visibility visibility_;
-    bool explicit_;
+    uint8_t linkage_    : 2;
+    uint8_t visibility_ : 2;
+    uint8_t explicit_   : 1;
 
     void setVisibility(Visibility V, bool E) { visibility_ = V; explicit_ = E; }
   public:
     LinkageInfo() : linkage_(ExternalLinkage), visibility_(DefaultVisibility),
                     explicit_(false) {}
     LinkageInfo(Linkage L, Visibility V, bool E)
-      : linkage_(L), visibility_(V), explicit_(E) {}
+      : linkage_(L), visibility_(V), explicit_(E) {
+      assert(linkage() == L && visibility() == V && visibilityExplicit() == E &&
+             "Enum truncated!");
+    }
 
     static LinkageInfo external() {
       return LinkageInfo();
@@ -238,8 +240,8 @@ public:
       return LinkageInfo(NoLinkage, DefaultVisibility, false);
     }
 
-    Linkage linkage() const { return linkage_; }
-    Visibility visibility() const { return visibility_; }
+    Linkage linkage() const { return (Linkage)linkage_; }
+    Visibility visibility() const { return (Visibility)visibility_; }
     bool visibilityExplicit() const { return explicit_; }
 
     void setLinkage(Linkage L) { linkage_ = L; }
@@ -337,7 +339,6 @@ public:
   }
 
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const NamedDecl *D) { return true; }
   static bool classofKind(Kind K) { return K >= firstNamed && K <= lastNamed; }
 };
 
@@ -383,7 +384,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const LabelDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == Label; }
 };
 
@@ -509,7 +509,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const NamespaceDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == Namespace; }
   static DeclContext *castToDeclContext(const NamespaceDecl *D) {
     return static_cast<DeclContext *>(const_cast<NamespaceDecl*>(D));
@@ -545,7 +544,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const ValueDecl *D) { return true; }
   static bool classofKind(Kind K) { return K >= firstValue && K <= lastValue; }
 };
 
@@ -578,8 +576,8 @@ struct QualifierInfo {
 
 private:
   // Copy constructor and copy assignment are disabled.
-  QualifierInfo(const QualifierInfo&);
-  QualifierInfo& operator=(const QualifierInfo&);
+  QualifierInfo(const QualifierInfo&) LLVM_DELETED_FUNCTION;
+  QualifierInfo& operator=(const QualifierInfo&) LLVM_DELETED_FUNCTION;
 };
 
 /// \brief Represents a ValueDecl that came out of a declarator.
@@ -666,7 +664,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const DeclaratorDecl *D) { return true; }
   static bool classofKind(Kind K) {
     return K >= firstDeclarator && K <= lastDeclarator;
   }
@@ -712,7 +709,7 @@ public:
   typedef clang::StorageClass StorageClass;
 
   /// getStorageClassSpecifierString - Return the string used to
-  /// specify the storage class \arg SC.
+  /// specify the storage class \p SC.
   ///
   /// It is illegal to call this function with SC == None.
   static const char *getStorageClassSpecifierString(StorageClass SC);
@@ -1208,7 +1205,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const VarDecl *D) { return true; }
   static bool classofKind(Kind K) { return K >= firstVar && K <= lastVar; }
 };
 
@@ -1229,7 +1225,6 @@ public:
   }
 
   // Implement isa/cast/dyncast/etc.
-  static bool classof(const ImplicitParamDecl *D) { return true; }
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
   static bool classofKind(Kind K) { return K == ImplicitParam; }
 };
@@ -1399,7 +1394,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const ParmVarDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == ParmVar; }
 
 private:
@@ -2070,7 +2064,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const FunctionDecl *D) { return true; }
   static bool classofKind(Kind K) {
     return K >= firstFunction && K <= lastFunction;
   }
@@ -2204,7 +2197,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const FieldDecl *D) { return true; }
   static bool classofKind(Kind K) { return K >= firstField && K <= lastField; }
 
   friend class ASTDeclReader;
@@ -2243,7 +2235,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const EnumConstantDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == EnumConstant; }
 
   friend class StmtIteratorBase;
@@ -2287,7 +2278,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const IndirectFieldDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == IndirectField; }
   friend class ASTDeclReader;
 };
@@ -2334,7 +2324,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const TypeDecl *D) { return true; }
   static bool classofKind(Kind K) { return K >= firstType && K <= lastType; }
 };
 
@@ -2390,7 +2379,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const TypedefNameDecl *D) { return true; }
   static bool classofKind(Kind K) {
     return K >= firstTypedefName && K <= lastTypedefName;
   }
@@ -2413,7 +2401,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const TypedefDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == Typedef; }
 };
 
@@ -2434,7 +2421,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const TypeAliasDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == TypeAlias; }
 };
 
@@ -2448,7 +2434,7 @@ public:
 private:
   // FIXME: This can be packed into the bitfields in Decl.
   /// TagDeclKind - The TagKind enum.
-  unsigned TagDeclKind : 2;
+  unsigned TagDeclKind : 3;
 
   /// IsCompleteDefinition - True if this is a definition ("struct foo
   /// {};"), false if it is a declaration ("struct foo;").  It is not
@@ -2625,6 +2611,7 @@ public:
   void setTagKind(TagKind TK) { TagDeclKind = TK; }
 
   bool isStruct() const { return getTagKind() == TTK_Struct; }
+  bool isInterface() const { return getTagKind() == TTK_Interface; }
   bool isClass()  const { return getTagKind() == TTK_Class; }
   bool isUnion()  const { return getTagKind() == TTK_Union; }
   bool isEnum()   const { return getTagKind() == TTK_Enum; }
@@ -2665,7 +2652,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const TagDecl *D) { return true; }
   static bool classofKind(Kind K) { return K >= firstTag && K <= lastTag; }
 
   static DeclContext *castToDeclContext(const TagDecl *D) {
@@ -2895,7 +2881,6 @@ public:
   }
 
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const EnumDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == Enum; }
 
   friend class ASTDeclReader;
@@ -3026,11 +3011,15 @@ public:
   virtual void completeDefinition();
 
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const RecordDecl *D) { return true; }
   static bool classofKind(Kind K) {
     return K >= firstRecord && K <= lastRecord;
   }
 
+  /// isMsStrust - Get whether or not this is an ms_struct which can
+  /// be turned on with an attribute, pragma, or -mms-bitfields
+  /// commandline option.
+  bool isMsStruct(const ASTContext &C) const;
+
 private:
   /// \brief Deserialize just the fields.
   void LoadFieldsFromExternalStorage() const;
@@ -3062,7 +3051,6 @@ public:
   void setAsmString(StringLiteral *Asm) { AsmString = Asm; }
 
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const FileScopeAsmDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == FileScopeAsm; }
 };
 
@@ -3208,7 +3196,6 @@ public:
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const BlockDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == Block; }
   static DeclContext *castToDeclContext(const BlockDecl *D) {
     return static_cast<DeclContext *>(const_cast<BlockDecl*>(D));
@@ -3282,7 +3269,6 @@ public:
   virtual SourceRange getSourceRange() const LLVM_READONLY;
   
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }
-  static bool classof(const ImportDecl *D) { return true; }
   static bool classofKind(Kind K) { return K == Import; }
 };