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75 lines
2.8 KiB
C++
75 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* vim: sw=2 ts=8 et :
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_${HEADER}_h
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#define mozilla_${HEADER}_h
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#if _HAS_EXCEPTIONS
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# error "STL code can only be used with -fno-exceptions"
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#endif
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// Code built with !_HAS_EXCEPTIONS calls std::_Throw(), but the win2k
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// CRT doesn't export std::_Throw(). So we define it.
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#ifndef mozilla_Throw_h
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# include "mozilla/throw_msvc.h"
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#endif
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// Code might include <new> before other wrapped headers, but <new>
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// includes <exception> and so we want to wrap it. But mozalloc.h
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// wants <new> also, so we break the cycle by always explicitly
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// including <new> here.
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#include <${NEW_HEADER_PATH}>
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// See if we're in code that can use mozalloc. NB: this duplicates
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// code in nscore.h because nscore.h pulls in prtypes.h, and chromium
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// can't build with that being included before base/basictypes.h.
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#if !defined(XPCOM_GLUE) && !defined(NS_NO_XPCOM) && !defined(MOZ_NO_MOZALLOC)
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# include "mozilla/mozalloc.h"
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#else
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# error "STL code can only be used with infallible ::operator new()"
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#endif
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#ifdef _DEBUG
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// From
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// http://msdn.microsoft.com/en-us/library/aa985982%28VS.80%29.aspx
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// and
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// http://msdn.microsoft.com/en-us/library/aa985965%28VS.80%29.aspx
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// there appear to be two types of STL container checking. The
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// former is enabled by -D_DEBUG (which is implied by -MDd or -MTd), and
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// looks to be full generation/mutation checked iterators as done by
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// _GLIBCXX_DEBUG. The latter appears to just be bounds checking, and
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// is enabled by the following macros. It appears that the _DEBUG
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// iterators subsume _SECURE_SCL, and the following settings are
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// default anyway, so we'll just leave this commented out.
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//# define _SECURE_SCL 1
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//# define _SECURE_SCL_THROWS 0
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#else
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// Note: _SECURE_SCL iterators are on by default in opt builds. We
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// could leave them on, but since gcc doesn't, we might as well
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// preserve that behavior for perf reasons. nsTArray is in the same
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// camp as gcc. Can revisit later.
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//
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// FIXME/bug 551254: because we're not wrapping all the STL headers we
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// use, undefining this here can cause some headers to be built with
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// iterator checking and others not. Turning this off until we have a
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// better plan.
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//# undef _SECURE_SCL
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#endif
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// C4275: When _HAS_EXCEPTIONS is set to 0, system STL header
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// will generate the warning which we can't modify.
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// C4530: We know that code won't be able to catch exceptions,
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// but that's OK because we're not throwing them.
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#pragma warning( push )
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#pragma warning( disable : 4275 4530 )
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#include <${HEADER_PATH}>
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#pragma warning( pop )
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#endif // if mozilla_${HEADER}_h
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