Vendor import of clang trunk r178860:

http://llvm.org/svn/llvm-project/cfe/trunk@178860

1 files changed, 51 insertions, 33 deletions

diff --git a/lib/Sema/DeclSpec.cpp b/lib/Sema/DeclSpec.cpp
index b3066eb..e1d55db 100644
--- a/lib/Sema/DeclSpec.cpp
+++ b/lib/Sema/DeclSpec.cpp
@@ -11,18 +11,18 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "clang/Parse/ParseDiagnostic.h" // FIXME: remove this back-dependency!
 #include "clang/Sema/DeclSpec.h"
-#include "clang/Sema/LocInfoType.h"
-#include "clang/Sema/ParsedTemplate.h"
-#include "clang/Sema/SemaDiagnostic.h"
-#include "clang/Sema/Sema.h"
 #include "clang/AST/ASTContext.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/NestedNameSpecifier.h"
 #include "clang/AST/TypeLoc.h"
-#include "clang/Lex/Preprocessor.h"
 #include "clang/Basic/LangOptions.h"
+#include "clang/Lex/Preprocessor.h"
+#include "clang/Parse/ParseDiagnostic.h" // FIXME: remove this back-dependency!
+#include "clang/Sema/LocInfoType.h"
+#include "clang/Sema/ParsedTemplate.h"
+#include "clang/Sema/Sema.h"
+#include "clang/Sema/SemaDiagnostic.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/Support/ErrorHandling.h"
 #include <cstring>
@@ -169,6 +169,9 @@ DeclaratorChunk DeclaratorChunk::getFunction(bool hasProto,
                                              SourceLocation LocalRangeEnd,
                                              Declarator &TheDeclarator,
                                              TypeResult TrailingReturnType) {
+  assert(!(TypeQuals & DeclSpec::TQ_atomic) &&
+         "function cannot have _Atomic qualifier");
+
   DeclaratorChunk I;
   I.Kind                        = Function;
   I.Loc                         = LocalRangeBegin;
@@ -280,6 +283,14 @@ bool Declarator::isDeclarationOfFunction() const {
     case TST_unspecified:
     case TST_void:
     case TST_wchar:
+    case TST_image1d_t:
+    case TST_image1d_array_t:
+    case TST_image1d_buffer_t:
+    case TST_image2d_t:
+    case TST_image2d_array_t:
+    case TST_image3d_t:
+    case TST_sampler_t:
+    case TST_event_t:
       return false;
 
     case TST_decltype:
@@ -323,7 +334,8 @@ unsigned DeclSpec::getParsedSpecifiers() const {
   if (hasTypeSpecifier())
     Res |= PQ_TypeSpecifier;
 
-  if (FS_inline_specified || FS_virtual_specified || FS_explicit_specified)
+  if (FS_inline_specified || FS_virtual_specified || FS_explicit_specified ||
+      FS_noreturn_specified)
     Res |= PQ_FunctionSpecifier;
   return Res;
 }
@@ -414,6 +426,14 @@ const char *DeclSpec::getSpecifierName(DeclSpec::TST T) {
   case DeclSpec::TST_underlyingType: return "__underlying_type";
   case DeclSpec::TST_unknown_anytype: return "__unknown_anytype";
   case DeclSpec::TST_atomic: return "_Atomic";
+  case DeclSpec::TST_image1d_t:   return "image1d_t";
+  case DeclSpec::TST_image1d_array_t: return "image1d_array_t";
+  case DeclSpec::TST_image1d_buffer_t: return "image1d_buffer_t";
+  case DeclSpec::TST_image2d_t:   return "image2d_t";
+  case DeclSpec::TST_image2d_array_t: return "image2d_array_t";
+  case DeclSpec::TST_image3d_t:   return "image3d_t";
+  case DeclSpec::TST_sampler_t:   return "sampler_t";
+  case DeclSpec::TST_event_t:     return "event_t";
   case DeclSpec::TST_error:       return "(error)";
   }
   llvm_unreachable("Unknown typespec!");
@@ -425,6 +445,7 @@ const char *DeclSpec::getSpecifierName(TQ T) {
   case DeclSpec::TQ_const:       return "const";
   case DeclSpec::TQ_restrict:    return "restrict";
   case DeclSpec::TQ_volatile:    return "volatile";
+  case DeclSpec::TQ_atomic:      return "_Atomic";
   }
   llvm_unreachable("Unknown typespec!");
 }
@@ -693,38 +714,44 @@ bool DeclSpec::SetTypeQual(TQ T, SourceLocation Loc, const char *&PrevSpec,
   TypeQualifiers |= T;
 
   switch (T) {
-  default: llvm_unreachable("Unknown type qualifier!");
-  case TQ_const:    TQ_constLoc = Loc; break;
-  case TQ_restrict: TQ_restrictLoc = Loc; break;
-  case TQ_volatile: TQ_volatileLoc = Loc; break;
+  case TQ_unspecified: break;
+  case TQ_const:    TQ_constLoc = Loc; return false;
+  case TQ_restrict: TQ_restrictLoc = Loc; return false;
+  case TQ_volatile: TQ_volatileLoc = Loc; return false;
+  case TQ_atomic:   TQ_atomicLoc = Loc; return false;
   }
-  return false;
+
+  llvm_unreachable("Unknown type qualifier!");
 }
 
-bool DeclSpec::SetFunctionSpecInline(SourceLocation Loc, const char *&PrevSpec,
-                                     unsigned &DiagID) {
+bool DeclSpec::setFunctionSpecInline(SourceLocation Loc) {
   // 'inline inline' is ok.
   FS_inline_specified = true;
   FS_inlineLoc = Loc;
   return false;
 }
 
-bool DeclSpec::SetFunctionSpecVirtual(SourceLocation Loc, const char *&PrevSpec,
-                                      unsigned &DiagID) {
+bool DeclSpec::setFunctionSpecVirtual(SourceLocation Loc) {
   // 'virtual virtual' is ok.
   FS_virtual_specified = true;
   FS_virtualLoc = Loc;
   return false;
 }
 
-bool DeclSpec::SetFunctionSpecExplicit(SourceLocation Loc, const char *&PrevSpec,
-                                       unsigned &DiagID) {
+bool DeclSpec::setFunctionSpecExplicit(SourceLocation Loc) {
   // 'explicit explicit' is ok.
   FS_explicit_specified = true;
   FS_explicitLoc = Loc;
   return false;
 }
 
+bool DeclSpec::setFunctionSpecNoreturn(SourceLocation Loc) {
+  // '_Noreturn _Noreturn' is ok.
+  FS_noreturn_specified = true;
+  FS_noreturnLoc = Loc;
+  return false;
+}
+
 bool DeclSpec::SetFriendSpec(SourceLocation Loc, const char *&PrevSpec,
                              unsigned &DiagID) {
   if (Friend_specified) {
@@ -763,9 +790,10 @@ void DeclSpec::setProtocolQualifiers(Decl * const *Protos,
                                      SourceLocation *ProtoLocs,
                                      SourceLocation LAngleLoc) {
   if (NP == 0) return;
-  ProtocolQualifiers = new Decl*[NP];
+  Decl **ProtoQuals = new Decl*[NP];
+  memcpy(ProtoQuals, Protos, sizeof(Decl*)*NP);
+  ProtocolQualifiers = ProtoQuals;
   ProtocolLocs = new SourceLocation[NP];
-  memcpy((void*)ProtocolQualifiers, Protos, sizeof(Decl*)*NP);
   memcpy(ProtocolLocs, ProtoLocs, sizeof(SourceLocation)*NP);
   NumProtocolQualifiers = NP;
   ProtocolLAngleLoc = LAngleLoc;
@@ -787,15 +815,6 @@ void DeclSpec::SaveWrittenBuiltinSpecs() {
   }
 }
 
-void DeclSpec::SaveStorageSpecifierAsWritten() {
-  if (SCS_extern_in_linkage_spec && StorageClassSpec == SCS_extern)
-    // If 'extern' is part of a linkage specification,
-    // then it is not a storage class "as written".
-    StorageClassSpecAsWritten = SCS_unspecified;
-  else
-    StorageClassSpecAsWritten = StorageClassSpec;
-}
-
 /// Finish - This does final analysis of the declspec, rejecting things like
 /// "_Imaginary" (lacking an FP type).  This returns a diagnostic to issue or
 /// diag::NUM_DIAGNOSTICS if there is no error.  After calling this method,
@@ -803,7 +822,6 @@ void DeclSpec::SaveStorageSpecifierAsWritten() {
 void DeclSpec::Finish(DiagnosticsEngine &D, Preprocessor &PP) {
   // Before possibly changing their values, save specs as written.
   SaveWrittenBuiltinSpecs();
-  SaveStorageSpecifierAsWritten();
 
   // Check the type specifier components first.
 
@@ -913,15 +931,15 @@ void DeclSpec::Finish(DiagnosticsEngine &D, Preprocessor &PP) {
   if (PP.getLangOpts().CPlusPlus && !PP.getLangOpts().MicrosoftExt &&
       TypeSpecType == TST_unspecified && StorageClassSpec == SCS_auto) {
     TypeSpecType = TST_auto;
-    StorageClassSpec = StorageClassSpecAsWritten = SCS_unspecified;
+    StorageClassSpec = SCS_unspecified;
     TSTLoc = TSTNameLoc = StorageClassSpecLoc;
     StorageClassSpecLoc = SourceLocation();
   }
   // Diagnose if we've recovered from an ill-formed 'auto' storage class
   // specifier in a pre-C++0x dialect of C++.
-  if (!PP.getLangOpts().CPlusPlus0x && TypeSpecType == TST_auto)
+  if (!PP.getLangOpts().CPlusPlus11 && TypeSpecType == TST_auto)
     Diag(D, TSTLoc, diag::ext_auto_type_specifier);
-  if (PP.getLangOpts().CPlusPlus && !PP.getLangOpts().CPlusPlus0x &&
+  if (PP.getLangOpts().CPlusPlus && !PP.getLangOpts().CPlusPlus11 &&
       StorageClassSpec == SCS_auto)
     Diag(D, StorageClassSpecLoc, diag::warn_auto_storage_class)
       << FixItHint::CreateRemoval(StorageClassSpecLoc);