config/msvc-stl-wrapper.template.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: sw=2 ts=8 et :
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef mozilla_${HEADER}_h
   9 #define mozilla_${HEADER}_h
  10
  11 #if _HAS_EXCEPTIONS
  12 #  error "STL code can only be used with -fno-exceptions"
  13 #endif
  14
  15 // Code built with !_HAS_EXCEPTIONS calls std::_Throw(), but the win2k
  16 // CRT doesn't export std::_Throw().  So we define it.
  17 #ifndef mozilla_Throw_h
  18 #  include "mozilla/throw_msvc.h"
  19 #endif
  20
  21 // Code might include <new> before other wrapped headers, but <new>
  22 // includes <exception> and so we want to wrap it.  But mozalloc.h
  23 // wants <new> also, so we break the cycle by always explicitly
  24 // including <new> here.
  25 #include <${NEW_HEADER_PATH}>
  26
  27 // See if we're in code that can use mozalloc.  NB: this duplicates
  28 // code in nscore.h because nscore.h pulls in prtypes.h, and chromium
  29 // can't build with that being included before base/basictypes.h.
  30 #if !defined(XPCOM_GLUE) && !defined(NS_NO_XPCOM) && !defined(MOZ_NO_MOZALLOC)
  31 #  include "mozilla/mozalloc.h"
  32 #else
  33 #  error "STL code can only be used with infallible ::operator new()"
  34 #endif
  35
  36 #ifdef DEBUG
  37 // From
  38 //   http://msdn.microsoft.com/en-us/library/aa985982%28VS.80%29.aspx
  39 // and
  40 //   http://msdn.microsoft.com/en-us/library/aa985965%28VS.80%29.aspx
  41 // there appear to be two types of STL container checking.  The
  42 // former is enabled by -D_DEBUG (which is implied by -DDEBUG), and
  43 // looks to be full generation/mutation checked iterators as done by
  44 // _GLIBCXX_DEBUG.  The latter appears to just be bounds checking, and
  45 // is enabled by the following macros.  It appears that the _DEBUG
  46 // iterators subsume _SECURE_SCL, and the following settings are
  47 // default anyway, so we'll just leave this commented out.
  48 //#  define _SECURE_SCL 1
  49 //#  define _SECURE_SCL_THROWS 0
  50 #else
  51 // Note: _SECURE_SCL iterators are on by default in opt builds.  We
  52 // could leave them on, but since gcc doesn't, we might as well
  53 // preserve that behavior for perf reasons.  nsTArray is in the same
  54 // camp as gcc.  Can revisit later.
  55 //
  56 // FIXME/bug 551254: because we're not wrapping all the STL headers we
  57 // use, undefining this here can cause some headers to be built with
  58 // iterator checking and others not.  Turning this off until we have a
  59 // better plan.
  60 //#  undef _SECURE_SCL
  61 #endif
  62
  63 // We know that code won't be able to catch exceptions, but that's OK
  64 // because we're not throwing them.
  65 #pragma warning( push )
  66 #pragma warning( disable : 4530 )
  67
  68 #include <${HEADER_PATH}>
  69
  70 #pragma warning( pop )
  71
  72 #endif  // if mozilla_${HEADER}_h