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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /config/msvc-stl-wrapper.template.h | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'config/msvc-stl-wrapper.template.h')
-rw-r--r-- | config/msvc-stl-wrapper.template.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/config/msvc-stl-wrapper.template.h b/config/msvc-stl-wrapper.template.h new file mode 100644 index 0000000000..fe9be05011 --- /dev/null +++ b/config/msvc-stl-wrapper.template.h @@ -0,0 +1,72 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- + * vim: sw=2 ts=8 et : + */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_${HEADER}_h +#define mozilla_${HEADER}_h + +#if _HAS_EXCEPTIONS +# error "STL code can only be used with -fno-exceptions" +#endif + +#if defined(__clang__) +// Silence "warning: #include_next is a language extension [-Wgnu-include-next]" +#pragma clang system_header +#endif + +// Include mozalloc after the STL header and all other headers it includes +// have been preprocessed. +#if !defined(MOZ_INCLUDE_MOZALLOC_H) +# define MOZ_INCLUDE_MOZALLOC_H +# define MOZ_INCLUDE_MOZALLOC_H_FROM_${HEADER} +#endif + +#ifdef _DEBUG +// From +// http://msdn.microsoft.com/en-us/library/aa985982%28VS.80%29.aspx +// and +// http://msdn.microsoft.com/en-us/library/aa985965%28VS.80%29.aspx +// there appear to be two types of STL container checking. The +// former is enabled by -D_DEBUG (which is implied by -MDd or -MTd), and +// looks to be full generation/mutation checked iterators as done by +// _GLIBCXX_DEBUG. The latter appears to just be bounds checking, and +// is enabled by the following macros. It appears that the _DEBUG +// iterators subsume _SECURE_SCL, and the following settings are +// default anyway, so we'll just leave this commented out. +//# define _SECURE_SCL 1 +//# define _SECURE_SCL_THROWS 0 +#else +// Note: _SECURE_SCL iterators are on by default in opt builds. We +// could leave them on, but since gcc doesn't, we might as well +// preserve that behavior for perf reasons. nsTArray is in the same +// camp as gcc. Can revisit later. +// +// FIXME/bug 551254: because we're not wrapping all the STL headers we +// use, undefining this here can cause some headers to be built with +// iterator checking and others not. Turning this off until we have a +// better plan. +//# undef _SECURE_SCL +#endif + +#include_next <${HEADER}> + +#ifdef MOZ_INCLUDE_MOZALLOC_H_FROM_${HEADER} +// See if we're in code that can use mozalloc. +# if !defined(NS_NO_XPCOM) && !defined(MOZ_NO_MOZALLOC) +// In recent versions of MSVC, <new>, which mozalloc.h includes, uses +// <type_traits> without including it. Before MSVC 17.7, this worked +// fine because <new> included <exception>, which includes <type_traits>. +// That is still the case, but it now also includes <cstdlib> before +// <type_traits>, so when something includes <exception> before <new>, +// we get here before <type_traits> is included, which ends up not working. +# include <type_traits> +# include "mozilla/mozalloc.h" +# else +# error "STL code can only be used with infallible ::operator new()" +# endif +#endif + +#endif // if mozilla_${HEADER}_h |