Revert most of r154844, which was disabled in r155975. Keep around the

refactorings in that revision, and some of the subsequent bugfixes, which
seem to be relevant even without delayed exception specification parsing.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156031 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1 insertions, 71 deletions

diff --git a/lib/Parse/ParseCXXInlineMethods.cpp b/lib/Parse/ParseCXXInlineMethods.cpp
index f04d76723b..c7b29d9ba2 100644
--- a/lib/Parse/ParseCXXInlineMethods.cpp
+++ b/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.