Upgrade our copy of llvm/clang to 3.1 release. Release notes can be

found at: http://llvm.org/releases/3.1/docs/ReleaseNotes.html

MFC after:	3 days

5 files changed, 20 insertions, 167 deletions

diff --git a/contrib/llvm/tools/clang/lib/Parse/ParseCXXInlineMethods.cpp b/contrib/llvm/tools/clang/lib/Parse/ParseCXXInlineMethods.cpp
index f04d767..c7b29d9 100644
--- a/contrib/llvm/tools/clang/lib/Parse/ParseCXXInlineMethods.cpp
+++ b/contrib/llvm/tools/clang/lib/Parse/ParseCXXInlineMethods.cpp
@@ -348,77 +348,7 @@ void Parser::ParseLexedMethodDeclaration(LateParsedMethodDeclaration &LM) {
       LM.DefaultArgs[I].Toks = 0;
     }
   }
-  
-  // Parse a delayed exception-specification, if there is one.
-  if (CachedTokens *Toks = LM.ExceptionSpecTokens) {
-    // Save the current token position.
-    SourceLocation origLoc = Tok.getLocation();
-    
-    // Parse the default argument from its saved token stream.
-    Toks->push_back(Tok); // So that the current token doesn't get lost
-    PP.EnterTokenStream(&Toks->front(), Toks->size(), true, false);
-    
-    // Consume the previously-pushed token.
-    ConsumeAnyToken();
-    
-    // C++11 [expr.prim.general]p3:
-    //   If a declaration declares a member function or member function 
-    //   template of a class X, the expression this is a prvalue of type 
-    //   "pointer to cv-qualifier-seq X" between the optional cv-qualifer-seq
-    //   and the end of the function-definition, member-declarator, or 
-    //   declarator.
-    CXXMethodDecl *Method;
-    if (FunctionTemplateDecl *FunTmpl
-          = dyn_cast<FunctionTemplateDecl>(LM.Method))
-      Method = cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
-    else
-      Method = cast<CXXMethodDecl>(LM.Method);
-    
-    Sema::CXXThisScopeRAII ThisScope(Actions, Method->getParent(),
-                                     Method->getTypeQualifiers(),
-                                     getLangOpts().CPlusPlus0x);
-
-    // Parse the exception-specification.
-    SourceRange SpecificationRange;
-    SmallVector<ParsedType, 4> DynamicExceptions;
-    SmallVector<SourceRange, 4> DynamicExceptionRanges;
-    ExprResult NoexceptExpr;
-    CachedTokens *ExceptionSpecTokens;
-    
-    ExceptionSpecificationType EST
-      = tryParseExceptionSpecification(/*Delayed=*/false, SpecificationRange,
-                                       DynamicExceptions,
-                                       DynamicExceptionRanges, NoexceptExpr,
-                                       ExceptionSpecTokens);
-
-    // Clean up the remaining tokens.
-    if (Tok.is(tok::cxx_exceptspec_end))
-      ConsumeToken();
-    else if (EST != EST_None)
-      Diag(Tok.getLocation(), diag::err_except_spec_unparsed);
-
-    // Attach the exception-specification to the method.
-    if (EST != EST_None)
-      Actions.actOnDelayedExceptionSpecification(LM.Method, EST,
-                                                 SpecificationRange,
-                                                 DynamicExceptions,
-                                                 DynamicExceptionRanges,
-                                                 NoexceptExpr.isUsable()?
-                                                   NoexceptExpr.get() : 0);
-          
-    assert(!PP.getSourceManager().isBeforeInTranslationUnit(origLoc,
-                                                            Tok.getLocation()) &&
-           "tryParseExceptionSpecification went over the exception tokens!");
-        
-    // There could be leftover tokens (e.g. because of an error).
-    // Skip through until we reach the original token position.
-    while (Tok.getLocation() != origLoc && Tok.isNot(tok::eof))
-      ConsumeAnyToken();
-    
-    delete LM.ExceptionSpecTokens;
-    LM.ExceptionSpecTokens = 0;    
-  }
-  
+
   PrototypeScope.Exit();
 
   // Finish the delayed C++ method declaration.
diff --git a/contrib/llvm/tools/clang/lib/Parse/ParseDecl.cpp b/contrib/llvm/tools/clang/lib/Parse/ParseDecl.cpp
index 932ffb4..7995e68 100644
--- a/contrib/llvm/tools/clang/lib/Parse/ParseDecl.cpp
+++ b/contrib/llvm/tools/clang/lib/Parse/ParseDecl.cpp
@@ -4197,7 +4197,6 @@ void Parser::ParseFunctionDeclarator(Declarator &D,
   SmallVector<ParsedType, 2> DynamicExceptions;
   SmallVector<SourceRange, 2> DynamicExceptionRanges;
   ExprResult NoexceptExpr;
-  CachedTokens *ExceptionSpecTokens = 0;
   ParsedAttributes FnAttrs(AttrFactory);
   ParsedType TrailingReturnType;
 
@@ -4264,18 +4263,12 @@ void Parser::ParseFunctionDeclarator(Declarator &D,
                                dyn_cast<CXXRecordDecl>(Actions.CurContext),
                                DS.getTypeQualifiers(),
                                IsCXX11MemberFunction);
-      
+
       // Parse exception-specification[opt].
-      bool Delayed = (D.getContext() == Declarator::MemberContext &&
-                      D.getDeclSpec().getStorageClassSpec()
-                        != DeclSpec::SCS_typedef &&
-                      !D.getDeclSpec().isFriendSpecified());
-      ESpecType = tryParseExceptionSpecification(Delayed,
-                                                 ESpecRange,
+      ESpecType = tryParseExceptionSpecification(ESpecRange,
                                                  DynamicExceptions,
                                                  DynamicExceptionRanges,
-                                                 NoexceptExpr,
-                                                 ExceptionSpecTokens);
+                                                 NoexceptExpr);
       if (ESpecType != EST_None)
         EndLoc = ESpecRange.getEnd();
 
@@ -4310,7 +4303,6 @@ void Parser::ParseFunctionDeclarator(Declarator &D,
                                              DynamicExceptions.size(),
                                              NoexceptExpr.isUsable() ?
                                                NoexceptExpr.get() : 0,
-                                             ExceptionSpecTokens,
                                              Tracker.getOpenLocation(), 
                                              EndLoc, D,
                                              TrailingReturnType),
diff --git a/contrib/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp b/contrib/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp
index b9b51d7..5e6c4f5 100644
--- a/contrib/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp
+++ b/contrib/llvm/tools/clang/lib/Parse/ParseDeclCXX.cpp
@@ -1535,34 +1535,16 @@ AccessSpecifier Parser::getAccessSpecifierIfPresent() const {
 }
 
 /// \brief If the given declarator has any parts for which parsing has to be
-/// delayed, e.g., default arguments or an exception-specification, create a
-/// late-parsed method declaration record to handle the parsing at the end of
-/// the class definition.
+/// delayed, e.g., default arguments, create a late-parsed method declaration
+/// record to handle the parsing at the end of the class definition.
 void Parser::HandleMemberFunctionDeclDelays(Declarator& DeclaratorInfo,
                                             Decl *ThisDecl) {
   // We just declared a member function. If this member function
-  // has any default arguments or an exception-specification, we'll need to
-  // parse them later.
+  // has any default arguments, we'll need to parse them later.
   LateParsedMethodDeclaration *LateMethod = 0;
   DeclaratorChunk::FunctionTypeInfo &FTI
     = DeclaratorInfo.getFunctionTypeInfo();
-  
-  // If there was a delayed exception-specification, hold onto its tokens.
-  if (FTI.getExceptionSpecType() == EST_Delayed) {
-    // Push this method onto the stack of late-parsed method
-    // declarations.
-    LateMethod = new LateParsedMethodDeclaration(this, ThisDecl);
-    getCurrentClass().LateParsedDeclarations.push_back(LateMethod);
-    LateMethod->TemplateScope = getCurScope()->isTemplateParamScope();
-
-    // Stash the exception-specification tokens in the late-pased mthod.
-    LateMethod->ExceptionSpecTokens = FTI.ExceptionSpecTokens;
-    FTI.ExceptionSpecTokens = 0;
 
-    // Reserve space for the parameters.
-    LateMethod->DefaultArgs.reserve(FTI.NumArgs);
-  }
-  
   for (unsigned ParamIdx = 0; ParamIdx < FTI.NumArgs; ++ParamIdx) {
     if (LateMethod || FTI.ArgInfo[ParamIdx].DefaultArgTokens) {
       if (!LateMethod) {
@@ -1846,7 +1828,7 @@ void Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS,
 
     // Parse the first declarator.
     ParseDeclarator(DeclaratorInfo);
-    // Error parsin g the declarator?
+    // Error parsing the declarator?
     if (!DeclaratorInfo.hasName()) {
       // If so, skip until the semi-colon or a }.
       SkipUntil(tok::r_brace, true, true);
@@ -2065,7 +2047,7 @@ void Parser::ParseCXXClassMemberDeclaration(AccessSpecifier AS,
       DeclsInGroup.push_back(ThisDecl);
     }
     
-    if (DeclaratorInfo.isFunctionDeclarator() &&
+    if (ThisDecl && DeclaratorInfo.isFunctionDeclarator() &&
         DeclaratorInfo.getDeclSpec().getStorageClassSpec()
           != DeclSpec::SCS_typedef) {
       HandleMemberFunctionDeclDelays(DeclaratorInfo, ThisDecl);
@@ -2358,7 +2340,7 @@ void Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc,
 
   // C++11 [class.mem]p2:
   //   Within the class member-specification, the class is regarded as complete
-  //   within function bodies, default arguments, exception-specifications, and
+  //   within function bodies, default arguments, and
   //   brace-or-equal-initializers for non-static data members (including such
   //   things in nested classes).
   if (TagDecl && NonNestedClass) {
@@ -2369,6 +2351,10 @@ void Parser::ParseCXXMemberSpecification(SourceLocation RecordLoc,
     SourceLocation SavedPrevTokLocation = PrevTokLocation;
     ParseLexedAttributes(getCurrentClass());
     ParseLexedMethodDeclarations(getCurrentClass());
+
+    // We've finished with all pending member declarations.
+    Actions.ActOnFinishCXXMemberDecls();
+
     ParseLexedMemberInitializers(getCurrentClass());
     ParseLexedMethodDefs(getCurrentClass());
     PrevTokLocation = SavedPrevTokLocation;
@@ -2555,63 +2541,13 @@ Parser::MemInitResult Parser::ParseMemInitializer(Decl *ConstructorDecl) {
 ///         'noexcept'
 ///         'noexcept' '(' constant-expression ')'
 ExceptionSpecificationType
-Parser::tryParseExceptionSpecification(bool Delayed,
+Parser::tryParseExceptionSpecification(
                     SourceRange &SpecificationRange,
                     SmallVectorImpl<ParsedType> &DynamicExceptions,
                     SmallVectorImpl<SourceRange> &DynamicExceptionRanges,
-                    ExprResult &NoexceptExpr,
-                    CachedTokens *&ExceptionSpecTokens) {
+                    ExprResult &NoexceptExpr) {
   ExceptionSpecificationType Result = EST_None;
-  ExceptionSpecTokens = 0;
-  
-  // Handle delayed parsing of exception-specifications.
-  if (Delayed) {
-    if (Tok.isNot(tok::kw_throw) && Tok.isNot(tok::kw_noexcept))
-      return EST_None;
-
-    // Consume and cache the starting token.
-    bool IsNoexcept = Tok.is(tok::kw_noexcept);
-    Token StartTok = Tok;
-    SpecificationRange = SourceRange(ConsumeToken());
-
-    // Check for a '('.
-    if (!Tok.is(tok::l_paren)) {
-      // If this is a bare 'noexcept', we're done.
-      if (IsNoexcept) {
-        Diag(Tok, diag::warn_cxx98_compat_noexcept_decl);
-        NoexceptExpr = 0;
-        return EST_BasicNoexcept;
-      }
-      
-      Diag(Tok, diag::err_expected_lparen_after) << "throw";
-      return EST_DynamicNone;
-    }
-    
-    // Cache the tokens for the exception-specification.
-    ExceptionSpecTokens = new CachedTokens;
-    ExceptionSpecTokens->push_back(StartTok); // 'throw' or 'noexcept'
-    ExceptionSpecTokens->push_back(Tok); // '('
-    SpecificationRange.setEnd(ConsumeParen()); // '('
-    
-    if (!ConsumeAndStoreUntil(tok::r_paren, *ExceptionSpecTokens,
-                              /*StopAtSemi=*/true,
-                              /*ConsumeFinalToken=*/true)) {
-      NoexceptExpr = 0;
-      delete ExceptionSpecTokens;
-      ExceptionSpecTokens = 0;
-      return IsNoexcept? EST_BasicNoexcept : EST_DynamicNone;
-    }
-    SpecificationRange.setEnd(Tok.getLocation());
-    
-    // Add the 'stop' token.
-    Token End;
-    End.startToken();
-    End.setKind(tok::cxx_exceptspec_end);
-    End.setLocation(Tok.getLocation());
-    ExceptionSpecTokens->push_back(End);
-    return EST_Delayed;
-  }
-  
+
   // See if there's a dynamic specification.
   if (Tok.is(tok::kw_throw)) {
     Result = ParseDynamicExceptionSpecification(SpecificationRange,
diff --git a/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp b/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp
index b6a027b..6d31396 100644
--- a/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp
+++ b/contrib/llvm/tools/clang/lib/Parse/ParseExpr.cpp
@@ -2392,7 +2392,7 @@ ExprResult Parser::ParseBlockLiteralExpression() {
                                                        SourceLocation(),
                                                        EST_None,
                                                        SourceLocation(),
-                                                       0, 0, 0, 0, 0,
+                                                       0, 0, 0, 0,
                                                        CaretLoc, CaretLoc,
                                                        ParamInfo),
                           attrs, CaretLoc);
diff --git a/contrib/llvm/tools/clang/lib/Parse/ParseExprCXX.cpp b/contrib/llvm/tools/clang/lib/Parse/ParseExprCXX.cpp
index ae6ad0b..7152184 100644
--- a/contrib/llvm/tools/clang/lib/Parse/ParseExprCXX.cpp
+++ b/contrib/llvm/tools/clang/lib/Parse/ParseExprCXX.cpp
@@ -780,13 +780,10 @@ ExprResult Parser::ParseLambdaExpressionAfterIntroducer(
     llvm::SmallVector<ParsedType, 2> DynamicExceptions;
     llvm::SmallVector<SourceRange, 2> DynamicExceptionRanges;
     ExprResult NoexceptExpr;
-    CachedTokens *ExceptionSpecTokens;
-    ESpecType = tryParseExceptionSpecification(/*Delayed=*/false,
-                                               ESpecRange,
+    ESpecType = tryParseExceptionSpecification(ESpecRange,
                                                DynamicExceptions,
                                                DynamicExceptionRanges,
-                                               NoexceptExpr,
-                                               ExceptionSpecTokens);
+                                               NoexceptExpr);
 
     if (ESpecType != EST_None)
       DeclEndLoc = ESpecRange.getEnd();
@@ -821,7 +818,6 @@ ExprResult Parser::ParseLambdaExpressionAfterIntroducer(
                                            DynamicExceptions.size(),
                                            NoexceptExpr.isUsable() ?
                                              NoexceptExpr.get() : 0,
-                                           0,
                                            DeclLoc, DeclEndLoc, D,
                                            TrailingReturnType),
                   Attr, DeclEndLoc);
@@ -867,7 +863,6 @@ ExprResult Parser::ParseLambdaExpressionAfterIntroducer(
                      /*ExceptionRanges=*/0,
                      /*NumExceptions=*/0,
                      /*NoexceptExpr=*/0,
-                     /*ExceptionSpecTokens=*/0,
                      DeclLoc, DeclEndLoc, D,
                      TrailingReturnType),
                   Attr, DeclEndLoc);