[cfe-commits] r71706 - in /cfe/trunk: include/clang/Basic/DiagnosticFrontendKinds.td include/clang/Basic/LangOptions.h lib/Frontend/PCHReader.cpp lib/Frontend/PCHWriter.cpp lib/Sema/SemaAccess.cpp test/SemaCXX/access-base-class.cpp test/SemaCXX/conditional-expr.cpp tools/clang-cc/clang-cc.cpp

Anders Carlsson andersca at mac.com
Wed May 13 12:50:00 PDT 2009


Author: andersca
Date: Wed May 13 14:49:53 2009
New Revision: 71706

URL: http://llvm.org/viewvc/llvm-project?rev=71706&view=rev
Log:
Disable access control by default. It can be enabled with the -faccess-control option. When we have better support for it, we can enable it by default again.

Modified:
    cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td
    cfe/trunk/include/clang/Basic/LangOptions.h
    cfe/trunk/lib/Frontend/PCHReader.cpp
    cfe/trunk/lib/Frontend/PCHWriter.cpp
    cfe/trunk/lib/Sema/SemaAccess.cpp
    cfe/trunk/test/SemaCXX/access-base-class.cpp
    cfe/trunk/test/SemaCXX/conditional-expr.cpp
    cfe/trunk/tools/clang-cc/clang-cc.cpp

Modified: cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticFrontendKinds.td Wed May 13 14:49:53 2009
@@ -127,6 +127,10 @@
 def warn_pch_compiler_options_mismatch : Error<
     "compiler options used when building the precompiled header differ from "
     "the options used when using the precompiled header">;
+def warn_pch_access_control : Error<
+    "C++ access control was %select{disabled|enabled}0 in the PCH file but "
+    "is currently %select{disabled|enabled}1">;
+
 def err_not_a_pch_file : Error<
     "'%0' does not appear to be a precompiled header file">, DefaultFatal;
 }

Modified: cfe/trunk/include/clang/Basic/LangOptions.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/LangOptions.h?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/include/clang/Basic/LangOptions.h (original)
+++ cfe/trunk/include/clang/Basic/LangOptions.h Wed May 13 14:49:53 2009
@@ -75,6 +75,8 @@
   unsigned ObjCGCBitmapPrint : 1; // Enable printing of gc's bitmap layout
                                   // for __weak/__strong ivars.
 
+  unsigned AccessControl     : 1; // Whether C++ access control should 
+                                  // be enabled.
 private:
   unsigned GC : 2; // Objective-C Garbage Collection modes.  We declare
                    // this enum as unsigned because MSVC insists on making enums
@@ -115,6 +117,9 @@
     EmitAllDecls = 0;
     MathErrno = 1;
 
+    // FIXME: The default should be 1.
+    AccessControl = 0;
+    
     OverflowChecking = 0;
     ObjCGCBitmapPrint = 0;
 

Modified: cfe/trunk/lib/Frontend/PCHReader.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/PCHReader.cpp?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/lib/Frontend/PCHReader.cpp (original)
+++ cfe/trunk/lib/Frontend/PCHReader.cpp Wed May 13 14:49:53 2009
@@ -1520,6 +1520,7 @@
   PARSE_LANGOPT_IMPORTANT(PICLevel, diag::warn_pch_pic_level);
   PARSE_LANGOPT_IMPORTANT(GNUInline, diag::warn_pch_gnu_inline);
   PARSE_LANGOPT_IMPORTANT(NoInline, diag::warn_pch_no_inline);
+  PARSE_LANGOPT_IMPORTANT(AccessControl, diag::warn_pch_access_control);
   if ((LangOpts.getGCMode() != 0) != (Record[Idx] != 0)) {
     Diag(diag::warn_pch_gc_mode) 
       << (unsigned)Record[Idx] << LangOpts.getGCMode();

Modified: cfe/trunk/lib/Frontend/PCHWriter.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/PCHWriter.cpp?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/lib/Frontend/PCHWriter.cpp (original)
+++ cfe/trunk/lib/Frontend/PCHWriter.cpp Wed May 13 14:49:53 2009
@@ -546,6 +546,8 @@
   Record.push_back(LangOpts.GNUInline); // Should GNU inline semantics be
                                   // used (instead of C99 semantics).
   Record.push_back(LangOpts.NoInline); // Should __NO_INLINE__ be defined.
+  Record.push_back(LangOpts.AccessControl); // Whether C++ access control should
+                                            // be enabled.
   Record.push_back(LangOpts.getGCMode());
   Record.push_back(LangOpts.getVisibilityMode());
   Record.push_back(LangOpts.InstantiationDepth);

Modified: cfe/trunk/lib/Sema/SemaAccess.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaAccess.cpp?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/lib/Sema/SemaAccess.cpp (original)
+++ cfe/trunk/lib/Sema/SemaAccess.cpp Wed May 13 14:49:53 2009
@@ -53,6 +53,9 @@
   assert(Paths.isRecordingPaths() &&
          "Can't check base class access without recorded paths");
   
+  if (!getLangOptions().AccessControl)
+    return false;
+  
   const CXXBaseSpecifier *InacessibleBase = 0;
 
   const CXXRecordDecl* CurrentClassDecl = 0;

Modified: cfe/trunk/test/SemaCXX/access-base-class.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/access-base-class.cpp?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/test/SemaCXX/access-base-class.cpp (original)
+++ cfe/trunk/test/SemaCXX/access-base-class.cpp Wed May 13 14:49:53 2009
@@ -1,4 +1,4 @@
-// RUN: clang-cc -fsyntax-only -verify %s
+// RUN: clang-cc -fsyntax-only -faccess-control -verify %s
 namespace T1 {
   
 class A { };

Modified: cfe/trunk/test/SemaCXX/conditional-expr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/conditional-expr.cpp?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/test/SemaCXX/conditional-expr.cpp (original)
+++ cfe/trunk/test/SemaCXX/conditional-expr.cpp Wed May 13 14:49:53 2009
@@ -1,4 +1,4 @@
-// RUN: clang-cc -fsyntax-only -verify -std=c++0x %s
+// RUN: clang-cc -fsyntax-only -verify -faccess-control -std=c++0x %s
 
 // C++ rules for ?: are a lot stricter than C rules, and have to take into
 // account more conversion options.

Modified: cfe/trunk/tools/clang-cc/clang-cc.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/clang-cc/clang-cc.cpp?rev=71706&r1=71705&r2=71706&view=diff

==============================================================================
--- cfe/trunk/tools/clang-cc/clang-cc.cpp (original)
+++ cfe/trunk/tools/clang-cc/clang-cc.cpp Wed May 13 14:49:53 2009
@@ -669,6 +669,11 @@
 MainFileName("main-file-name",
              llvm::cl::desc("Main file name to use for debug info"));
 
+// FIXME: Also add an "-fno-access-control" option.
+static llvm::cl::opt<bool>
+AccessControl("faccess-control", 
+              llvm::cl::desc("Enable C++ access control"));
+
 // It might be nice to add bounds to the CommandLine library directly.
 struct OptLevelParser : public llvm::cl::parser<unsigned> {
   bool parse(llvm::cl::Option &O, const char *ArgName,
@@ -801,6 +806,9 @@
   if (EnableHeinousExtensions)
     Options.HeinousExtensions = 1;
 
+  if (AccessControl)
+    Options.AccessControl = 1;
+  
   Options.MathErrno = MathErrno;
 
   Options.InstantiationDepth = TemplateDepth;





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