commit 7693b32af6863c63fcaf4de087760740ee675f71
author Rafael Espindola <rafael.espindola@gmail.com> Sat Oct 19 02:13:21 2013 +0000
committer Rafael Espindola <rafael.espindola@gmail.com> Sat Oct 19 02:13:21 2013 +0000
tree 3324954c2baebe335aa6f2075a774c81c57da8b8
parent a36ddbe8bf0c7269656f554288703afbb2b0a034

Add isFirstDecl to DecBase too and use it instead of getPreviousDecl() == 0.

Redeclarable already had a isFirstDecl, but it was missing from DeclBase.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@193027 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/Decl.h

diff --git a/include/clang/AST/Decl.h b/include/clang/AST/Decl.h
index c9b8656..a7e41ea 100644
--- a/include/clang/AST/Decl.h
+++ b/include/clang/AST/Decl.h
@@ -368,6 +368,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   /// \brief Returns true if this is an anonymous namespace declaration.
   ///
@@ -775,6 +776,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   static VarDecl *Create(ASTContext &C, DeclContext *DC,
                          SourceLocation StartLoc, SourceLocation IdLoc,
@@ -1563,6 +1565,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   static FunctionDecl *Create(ASTContext &C, DeclContext *DC,
                               SourceLocation StartLoc, SourceLocation NLoc,
@@ -2390,6 +2393,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   bool isModed() const { return MaybeModedTInfo.is<ModedTInfo*>(); }
 
@@ -2574,6 +2578,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   SourceLocation getRBraceLoc() const { return RBraceLoc; }
   void setRBraceLoc(SourceLocation L) { RBraceLoc = L; }

include/clang/AST/DeclBase.h

diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index 1fdb857..9fbff6e 100644
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -785,7 +785,12 @@
   const Decl *getPreviousDecl() const { 
     return const_cast<Decl *>(this)->getPreviousDeclImpl();
   }
-  
+
+  /// \brief Returns true if this is the first declaration.
+  bool isFirstDecl() const {
+    return getPreviousDecl() == 0;
+  }
+
   /// \brief Retrieve the most recent declaration that declares the same entity
   /// as this declaration (which may be this declaration).
   Decl *getMostRecentDecl() { return getMostRecentDeclImpl(); }

include/clang/AST/DeclObjC.h

diff --git a/include/clang/AST/DeclObjC.h b/include/clang/AST/DeclObjC.h
index ee204a6..d924ddd 100644
--- a/include/clang/AST/DeclObjC.h
+++ b/include/clang/AST/DeclObjC.h
@@ -1201,6 +1201,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   /// Retrieves the canonical declaration of this Objective-C class.
   ObjCInterfaceDecl *getCanonicalDecl() { return getFirstDecl(); }
@@ -1503,6 +1504,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   /// Retrieves the canonical declaration of this Objective-C protocol.
   ObjCProtocolDecl *getCanonicalDecl() { return getFirstDecl(); }

include/clang/AST/DeclTemplate.h

diff --git a/include/clang/AST/DeclTemplate.h b/include/clang/AST/DeclTemplate.h
index a663823..38b0799 100644
--- a/include/clang/AST/DeclTemplate.h
+++ b/include/clang/AST/DeclTemplate.h
@@ -715,6 +715,7 @@
   using redeclarable_base::redecls_end;
   using redeclarable_base::getPreviousDecl;
   using redeclarable_base::getMostRecentDecl;
+  using redeclarable_base::isFirstDecl;
 
   // Implement isa/cast/dyncast/etc.
   static bool classof(const Decl *D) { return classofKind(D->getKind()); }