[cfe-commits] r71067 - in /cfe/trunk: include/clang/Parse/DeclSpec.h lib/Parse/DeclSpec.cpp lib/Parse/ParseDecl.cpp test/Parser/cxx-friend.cpp

[Anders Carlsson]

Author: andersca
Date: Tue May  5 23:46:28 2009
New Revision: 71067

URL: http://llvm.org/viewvc/llvm-project?rev=71067&view=rev
Log:
Add parsing of friend specifiers.

Added:
    cfe/trunk/test/Parser/cxx-friend.cpp
Modified:
    cfe/trunk/include/clang/Parse/DeclSpec.h
    cfe/trunk/lib/Parse/DeclSpec.cpp
    cfe/trunk/lib/Parse/ParseDecl.cpp

Modified: cfe/trunk/include/clang/Parse/DeclSpec.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Parse/DeclSpec.h?rev=71067&r1=71066&r2=71067&view=diff

==============================================================================
--- cfe/trunk/include/clang/Parse/DeclSpec.h (original)
+++ cfe/trunk/include/clang/Parse/DeclSpec.h Tue May  5 23:46:28 2009
@@ -123,6 +123,9 @@
   bool FS_virtual_specified : 1;
   bool FS_explicit_specified : 1;
   
+  // friend-specifier
+  bool Friend_specified : 1;
+  
   /// TypeRep - This contains action-specific information about a specific TST.
   /// For example, for a typedef or struct, it might contain the declaration for
   /// these.
@@ -145,6 +148,7 @@
   SourceLocation TSWLoc, TSCLoc, TSSLoc, TSTLoc;
   SourceLocation TQ_constLoc, TQ_restrictLoc, TQ_volatileLoc;
   SourceLocation FS_inlineLoc, FS_virtualLoc, FS_explicitLoc;
+  SourceLocation FriendLoc;
   
   bool BadSpecifier(TST T, const char *&PrevSpec);
   bool BadSpecifier(TQ T, const char *&PrevSpec);
@@ -168,6 +172,7 @@
       FS_inline_specified(false),
       FS_virtual_specified(false),
       FS_explicit_specified(false),
+      Friend_specified(false),
       TypeRep(0),
       AttrList(0),
       ProtocolQualifiers(0),
@@ -277,6 +282,8 @@
   bool SetFunctionSpecVirtual(SourceLocation Loc, const char *&PrevSpec);
   bool SetFunctionSpecExplicit(SourceLocation Loc, const char *&PrevSpec);
   
+  bool SetFriendSpec(SourceLocation Loc, const char *&PrevSpec);
+  
   /// AddAttributes - contatenates two attribute lists. 
   /// The GCC attribute syntax allows for the following:
   ///

Modified: cfe/trunk/lib/Parse/DeclSpec.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/DeclSpec.cpp?rev=71067&r1=71066&r2=71067&view=diff

==============================================================================
--- cfe/trunk/lib/Parse/DeclSpec.cpp (original)
+++ cfe/trunk/lib/Parse/DeclSpec.cpp Tue May  5 23:46:28 2009
@@ -294,6 +294,16 @@
   return false;
 }
 
+bool DeclSpec::SetFriendSpec(SourceLocation Loc, const char *&PrevSpec) {
+  if (Friend_specified) {
+    PrevSpec = "friend";
+    return true;
+  }
+  
+  Friend_specified = true;
+  FriendLoc = Loc;
+  return false;
+}
 
 /// Finish - This does final analysis of the declspec, rejecting things like
 /// "_Imaginary" (lacking an FP type).  This returns a diagnostic to issue or

Modified: cfe/trunk/lib/Parse/ParseDecl.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Parse/ParseDecl.cpp?rev=71067&r1=71066&r2=71067&view=diff

==============================================================================
--- cfe/trunk/lib/Parse/ParseDecl.cpp (original)
+++ cfe/trunk/lib/Parse/ParseDecl.cpp Tue May  5 23:46:28 2009
@@ -597,6 +597,8 @@
 /// [C99]   'inline'
 /// [C++]   'virtual'
 /// [C++]   'explicit'
+///       'friend': [C++ dcl.friend]
+
 ///
 void Parser::ParseDeclarationSpecifiers(DeclSpec &DS,
                                         TemplateParameterLists *TemplateParams,
@@ -846,6 +848,11 @@
       isInvalid = DS.SetFunctionSpecExplicit(Loc, PrevSpec);
       break;
 
+    // friend
+    case tok::kw_friend:
+      isInvalid = DS.SetFriendSpec(Loc, PrevSpec);
+      break;
+          
     // type-specifier
     case tok::kw_short:
       isInvalid = DS.SetTypeSpecWidth(DeclSpec::TSW_short, Loc, PrevSpec);

Added: cfe/trunk/test/Parser/cxx-friend.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Parser/cxx-friend.cpp?rev=71067&view=auto

==============================================================================
--- cfe/trunk/test/Parser/cxx-friend.cpp (added)
+++ cfe/trunk/test/Parser/cxx-friend.cpp Tue May  5 23:46:28 2009
@@ -0,0 +1,5 @@
+// RUN: clang-cc -fsyntax-only %s
+
+class C {
+  friend class D;
+};