commit 841804baff6ea8ba1904a2ba81265aae1479e882
author Richard Smith <richard-llvm@metafoo.co.uk> Mon Oct 17 23:06:20 2011 +0000
committer Richard Smith <richard-llvm@metafoo.co.uk> Mon Oct 17 23:06:20 2011 +0000
tree 176a23845972db02399f3b1aeb59b228b87142e6
parent ea523d73a6de06f828952a02f5ff86e4cc631695

Add -Wc++98-compat warnings for uses of the new keywords 'alignof', 'char16_t',
'char32_t', 'constexpr', 'decltype', 'noexcept', 'nullptr' and 'static_assert'.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142302 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Parse/ParseDeclCXX.cpp

diff --git a/lib/Parse/ParseDeclCXX.cpp b/lib/Parse/ParseDeclCXX.cpp
index 45562d9..7583cca 100644
--- a/lib/Parse/ParseDeclCXX.cpp
+++ b/lib/Parse/ParseDeclCXX.cpp
@@ -587,6 +587,8 @@
 
   if (Tok.is(tok::kw__Static_assert) && !getLang().C1X)
     Diag(Tok, diag::ext_c1x_static_assert);
+  if (Tok.is(tok::kw_static_assert))
+    Diag(Tok, diag::warn_cxx98_compat_static_assert);
 
   SourceLocation StaticAssertLoc = ConsumeToken();
 
@@ -2401,6 +2403,8 @@
   if (Tok.isNot(tok::kw_noexcept))
     return Result;
 
+  Diag(Tok, diag::warn_cxx98_compat_noexcept_decl);
+
   // If we already had a dynamic specification, parse the noexcept for,
   // recovery, but emit a diagnostic and don't store the results.
   SourceRange NoexceptRange;

lib/Parse/ParseExpr.cpp

diff --git a/lib/Parse/ParseExpr.cpp b/lib/Parse/ParseExpr.cpp
index aa86bb4..83075ab 100644
--- a/lib/Parse/ParseExpr.cpp
+++ b/lib/Parse/ParseExpr.cpp
@@ -654,6 +654,7 @@
     return ParseCXXBoolLiteral();
 
   case tok::kw_nullptr:
+    Diag(Tok, diag::warn_cxx98_compat_nullptr);
     return Actions.ActOnCXXNullPtrLiteral(ConsumeToken());
 
   case tok::annot_primary_expr:
@@ -1031,6 +1032,7 @@
     return ParseCXXDeleteExpression(false, Tok.getLocation());
 
   case tok::kw_noexcept: { // [C++0x] 'noexcept' '(' expression ')'
+    Diag(Tok, diag::warn_cxx98_compat_noexcept_expr);
     SourceLocation KeyLoc = ConsumeToken();
     BalancedDelimiterTracker T(*this, tok::l_paren);
 
@@ -1537,7 +1539,10 @@
                                                 *Name, NameLoc,
                                                 RParenLoc);
   }
-  
+
+  if (OpTok.is(tok::kw_alignof))
+    Diag(OpTok, diag::warn_cxx98_compat_alignof);
+
   bool isCastExpr;
   ParsedType CastTy;
   SourceRange CastRange;

lib/Sema/DeclSpec.cpp

diff --git a/lib/Sema/DeclSpec.cpp b/lib/Sema/DeclSpec.cpp
index f0a763e..18ecf9e 100644
--- a/lib/Sema/DeclSpec.cpp
+++ b/lib/Sema/DeclSpec.cpp
@@ -15,6 +15,7 @@
 #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"
@@ -889,6 +890,13 @@
       StorageClassSpec == SCS_auto)
     Diag(D, StorageClassSpecLoc, diag::warn_auto_storage_class)
       << FixItHint::CreateRemoval(StorageClassSpecLoc);
+  if (TypeSpecType == TST_char16 || TypeSpecType == TST_char32)
+    Diag(D, TSTLoc, diag::warn_cxx98_compat_unicode_type)
+      << (TypeSpecType == TST_char16 ? "char16_t" : "char32_t");
+  if (TypeSpecType == TST_decltype)
+    Diag(D, TSTLoc, diag::warn_cxx98_compat_decltype);
+  if (Constexpr_specified)
+    Diag(D, ConstexprLoc, diag::warn_cxx98_compat_constexpr);
 
   // C++ [class.friend]p6:
   //   No storage-class-specifier shall appear in the decl-specifier-seq