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Differential D116172

[libc++] Add the version header to all headers.
ClosedPublic

Authored by Mordante on Dec 22 2021, 9:15 AM.

Details

Reviewers
• Quuxplusone
ldionne
Group Reviewers
Restricted Project
Commits
rGbd6e6846e7f4: [libc++] Add the version header to all headers.
Summary

Some headers which require the version header depend on other headers to
provide it. Include the version header in all top-level headers to make
sure a header cleanup can't remove the version header.

Note this doesn't add the version header to the c headers.

Diff Detail

Event Timeline

Mordante requested review of this revision.Dec 22 2021, 9:15 AM
Mordante created this revision.
Herald added a project: Restricted Project. · View Herald TranscriptDec 22 2021, 9:15 AM
Herald added a reviewer: Restricted Project. · View Herald Transcript
Herald added a subscriber: libcxx-commits. · View Herald Transcript
Harbormaster completed remote builds in B140409: Diff 395889.Dec 22 2021, 10:20 AM
Mordante updated this revision to Diff 396046.Dec 23 2021, 10:15 AM

Add the version header to all headers except C headers.

Herald added a subscriber: arphaman. · View Herald TranscriptDec 23 2021, 10:15 AM
Mordante retitled this revision from [libc++] Add the version header to compare. to [libc++] Add the version header to all headers..Dec 23 2021, 10:18 AM
Mordante edited the summary of this revision. (Show Details)
• Quuxplusone accepted this revision as: • Quuxplusone.Dec 23 2021, 10:57 AM
• Quuxplusone added a subscriber: • Quuxplusone.

LGTM! It occurs to me that we could add a Python check to enforce this, but that's a question for another day.
Please do add version to the "ignored headers" on the graph-header-deps script, though:

diff --git a/libcxx/utils/graph_header_deps.py b/libcxx/utils/graph_header_deps.py
 
 def is_config_header(h):
-    return os.path.basename(h) in ['__config', '__libcpp_version', '__undef_macros']
+    return os.path.basename(h) in ['__config', '__libcpp_version', '__undef_macros', 'version']
Harbormaster completed remote builds in B140519: Diff 396046.Dec 23 2021, 11:22 AM
Mordante updated this revision to Diff 396063.Dec 23 2021, 11:38 AM

As requested adds version to the "ignored headers" on the graph-header-deps script.
Give it another CI run to make sure this keeps working.

Herald added a subscriber: arichardson. · View Herald TranscriptDec 23 2021, 11:38 AM
• Quuxplusone mentioned this in D116146: [libc++] Remove unused headers from <filesystem>.Dec 29 2021, 7:11 AM
ldionne accepted this revision.Dec 29 2021, 8:00 AM
This revision is now accepted and ready to land.Dec 29 2021, 8:00 AM
• Quuxplusone mentioned this in D115977: [libc++] Implement P1425R4 (Iterator pair constructors for std::stack and std::queue).Dec 30 2021, 11:48 AM
ldionne added a comment.Jan 3 2022, 2:13 PM

It should be possible to rebase this onto main now and ship it once CI passes.

Mordante updated this revision to Diff 397303.Jan 4 2022, 8:00 AM

Rebase to trigger CI

Harbormaster completed remote builds in B141497: Diff 397303.Jan 4 2022, 10:37 AM
Closed by commit rGbd6e6846e7f4: [libc++] Add the version header to all headers. (authored by Mordante). · Explain WhyJan 4 2022, 10:51 AM
This revision was automatically updated to reflect the committed changes.
Mordante added a commit: rGbd6e6846e7f4: [libc++] Add the version header to all headers..

Revision Contents

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include/
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utils/
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Diff 397339

libcxx/include/bitset

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#include <__config> #include <__config>
#include <__bit_reference> #include <__bit_reference>
#include <__functional_base> #include <__functional_base>
#include <climits> #include <climits>
#include <cstddef> #include <cstddef>
#include <iosfwd> #include <iosfwd>
#include <stdexcept> #include <stdexcept>
#include <string> #include <string>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_PUSH_MACROS _LIBCPP_PUSH_MACROS
#include <__undef_macros> #include <__undef_macros>
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libcxx/include/codecvt

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}; };
} // std } // std
*/ */
#include <__config> #include <__config>
#include <__locale> #include <__locale>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
enum codecvt_mode enum codecvt_mode
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libcxx/include/compare

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#include <__compare/compare_three_way_result.h> #include <__compare/compare_three_way_result.h>
#include <__compare/is_eq.h> #include <__compare/is_eq.h>
#include <__compare/ordering.h> #include <__compare/ordering.h>
#include <__compare/partial_order.h> #include <__compare/partial_order.h>
#include <__compare/strong_order.h> #include <__compare/strong_order.h>
#include <__compare/three_way_comparable.h> #include <__compare/three_way_comparable.h>
#include <__compare/weak_order.h> #include <__compare/weak_order.h>
#include <__config> #include <__config>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
#endif // _LIBCPP_COMPARE #endif // _LIBCPP_COMPARE

libcxx/include/condition_variable

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} // std } // std
*/ */
#include <__config> #include <__config>
#include <__mutex_base> #include <__mutex_base>
#include <memory> #include <memory>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
#ifndef _LIBCPP_HAS_NO_THREADS #ifndef _LIBCPP_HAS_NO_THREADS
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
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libcxx/include/execution

// -*- C++ -*- // -*- C++ -*-
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// //
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information. // See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// //
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#ifndef _LIBCPP_EXECUTION #ifndef _LIBCPP_EXECUTION
#define _LIBCPP_EXECUTION #define _LIBCPP_EXECUTION
#include <__config> #include <__config>
#include <version>
#if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17 #if defined(_LIBCPP_HAS_PARALLEL_ALGORITHMS) && _LIBCPP_STD_VER >= 17
# include <__pstl_execution> # include <__pstl_execution>
#endif #endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
#endif // _LIBCPP_EXECUTION #endif // _LIBCPP_EXECUTION

libcxx/include/fstream

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#include <__availability> #include <__availability>
#include <__config> #include <__config>
#include <__debug> #include <__debug>
#include <__locale> #include <__locale>
#include <cstdio> #include <cstdio>
#include <cstdlib> #include <cstdlib>
#include <istream> #include <istream>
#include <ostream> #include <ostream>
#include <version>
#if !defined(_LIBCPP_HAS_NO_FILESYSTEM_LIBRARY) #if !defined(_LIBCPP_HAS_NO_FILESYSTEM_LIBRARY)
# include <filesystem> # include <filesystem>
#endif #endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
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libcxx/include/future

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#include <__utility/auto_cast.h> #include <__utility/auto_cast.h>
#include <__utility/forward.h> #include <__utility/forward.h>
#include <chrono> #include <chrono>
#include <exception> #include <exception>
#include <memory> #include <memory>
#include <mutex> #include <mutex>
#include <system_error> #include <system_error>
#include <thread> #include <thread>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
#ifdef _LIBCPP_HAS_NO_THREADS #ifdef _LIBCPP_HAS_NO_THREADS
#error <future> is not supported on this single threaded system #error <future> is not supported on this single threaded system
#else // !_LIBCPP_HAS_NO_THREADS #else // !_LIBCPP_HAS_NO_THREADS
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libcxx/include/ios

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} // std } // std
*/ */
#include <__config> #include <__config>
#include <__locale> #include <__locale>
#include <iosfwd> #include <iosfwd>
#include <system_error> #include <system_error>
#include <version>
#if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER) #if !defined(_LIBCPP_HAS_NO_ATOMIC_HEADER)
#include <atomic> // for __xindex_ #include <atomic> // for __xindex_
#endif #endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
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libcxx/include/iosfwd

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using u32streampos = fpos<char_traits<char32_t>::state_type>; using u32streampos = fpos<char_traits<char32_t>::state_type>;
} // std } // std
*/ */
#include <__config> #include <__config>
#include <__mbstate_t.h> #include <__mbstate_t.h>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS ios_base; class _LIBCPP_TYPE_VIS ios_base;
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libcxx/include/iostream

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*/ */
#include <__config> #include <__config>
#include <ios> #include <ios>
#include <istream> #include <istream>
#include <ostream> #include <ostream>
#include <streambuf> #include <streambuf>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
extern _LIBCPP_FUNC_VIS istream cin; extern _LIBCPP_FUNC_VIS istream cin;
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libcxx/include/latch

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} }
*/ */
#include <__availability> #include <__availability>
#include <__config> #include <__config>
#include <atomic> #include <atomic>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
#ifdef _LIBCPP_HAS_NO_THREADS #ifdef _LIBCPP_HAS_NO_THREADS
# error <latch> is not supported on this single threaded system # error <latch> is not supported on this single threaded system
#endif #endif
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libcxx/include/queue

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#include <__config> #include <__config>
#include <__memory/uses_allocator.h> #include <__memory/uses_allocator.h>
#include <__utility/forward.h> #include <__utility/forward.h>
#include <algorithm> #include <algorithm>
#include <compare> #include <compare>
#include <deque> #include <deque>
#include <functional> #include <functional>
#include <vector> #include <vector>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TEMPLATE_VIS queue; template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TEMPLATE_VIS queue;
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libcxx/include/random

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#include <__random/shuffle_order_engine.h> #include <__random/shuffle_order_engine.h>
#include <__random/student_t_distribution.h> #include <__random/student_t_distribution.h>
#include <__random/subtract_with_carry_engine.h> #include <__random/subtract_with_carry_engine.h>
#include <__random/uniform_int_distribution.h> #include <__random/uniform_int_distribution.h>
#include <__random/uniform_random_bit_generator.h> #include <__random/uniform_random_bit_generator.h>
#include <__random/uniform_real_distribution.h> #include <__random/uniform_real_distribution.h>
#include <__random/weibull_distribution.h> #include <__random/weibull_distribution.h>
#include <initializer_list> #include <initializer_list>
#include <version>
#include <algorithm> // for backward compatibility; TODO remove it #include <algorithm> // for backward compatibility; TODO remove it
#include <cmath> // for backward compatibility; TODO remove it #include <cmath> // for backward compatibility; TODO remove it
#include <cstddef> // for backward compatibility; TODO remove it #include <cstddef> // for backward compatibility; TODO remove it
#include <cstdint> // for backward compatibility; TODO remove it #include <cstdint> // for backward compatibility; TODO remove it
#include <iosfwd> // for backward compatibility; TODO remove it #include <iosfwd> // for backward compatibility; TODO remove it
#include <limits> // for backward compatibility; TODO remove it #include <limits> // for backward compatibility; TODO remove it
#include <numeric> // for backward compatibility; TODO remove it #include <numeric> // for backward compatibility; TODO remove it
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libcxx/include/ratio

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= ratio_greater_equal<R1, R2>::value; // C++17 = ratio_greater_equal<R1, R2>::value; // C++17
} }
*/ */
#include <__config> #include <__config>
#include <climits> #include <climits>
#include <cstdint> #include <cstdint>
#include <type_traits> #include <type_traits>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_PUSH_MACROS _LIBCPP_PUSH_MACROS
#include <__undef_macros> #include <__undef_macros>
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libcxx/include/semaphore

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} }
*/ */
#include <__availability> #include <__availability>
#include <__config> #include <__config>
#include <__threading_support> #include <__threading_support>
#include <atomic> #include <atomic>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
#ifdef _LIBCPP_HAS_NO_THREADS #ifdef _LIBCPP_HAS_NO_THREADS
# error <semaphore> is not supported on this single threaded system # error <semaphore> is not supported on this single threaded system
#endif #endif
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libcxx/include/sstream

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} // std } // std
*/ */
#include <__config> #include <__config>
#include <istream> #include <istream>
#include <ostream> #include <ostream>
#include <string> #include <string>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_PUSH_MACROS _LIBCPP_PUSH_MACROS
#include <__undef_macros> #include <__undef_macros>
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libcxx/include/stack

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} // std } // std
*/ */
#include <__config> #include <__config>
#include <__memory/uses_allocator.h> #include <__memory/uses_allocator.h>
#include <__utility/forward.h> #include <__utility/forward.h>
#include <deque> #include <deque>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TEMPLATE_VIS stack; template <class _Tp, class _Container = deque<_Tp> > class _LIBCPP_TEMPLATE_VIS stack;
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libcxx/include/streambuf

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} // std } // std
*/ */
#include <__config> #include <__config>
#include <ios> #include <ios>
#include <iosfwd> #include <iosfwd>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_PUSH_MACROS _LIBCPP_PUSH_MACROS
#include <__undef_macros> #include <__undef_macros>
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libcxx/include/strstream

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} // std } // std
*/ */
#include <__config> #include <__config>
#include <istream> #include <istream>
#include <ostream> #include <ostream>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TYPE_VIS strstreambuf class _LIBCPP_TYPE_VIS strstreambuf
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libcxx/include/system_error

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#include <__config> #include <__config>
#include <__errc> #include <__errc>
#include <__functional/unary_function.h> #include <__functional/unary_function.h>
#include <__functional_base> #include <__functional_base>
#include <compare> #include <compare>
#include <stdexcept> #include <stdexcept>
#include <string> #include <string>
#include <type_traits> #include <type_traits>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
// is_error_code_enum // is_error_code_enum
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libcxx/include/thread

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#include <chrono> #include <chrono>
#include <cstddef> #include <cstddef>
#include <functional> #include <functional>
#include <iosfwd> #include <iosfwd>
#include <memory> #include <memory>
#include <system_error> #include <system_error>
#include <tuple> #include <tuple>
#include <type_traits> #include <type_traits>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_PUSH_MACROS _LIBCPP_PUSH_MACROS
#include <__undef_macros> #include <__undef_macros>
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libcxx/include/typeindex

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*/ */
#include <__config> #include <__config>
#include <__functional/unary_function.h> #include <__functional/unary_function.h>
#include <__functional_base> #include <__functional_base>
#include <compare> #include <compare>
#include <typeinfo> #include <typeinfo>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_BEGIN_NAMESPACE_STD
class _LIBCPP_TEMPLATE_VIS type_index class _LIBCPP_TEMPLATE_VIS type_index
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libcxx/include/valarray

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#include <__config> #include <__config>
#include <algorithm> #include <algorithm>
#include <cmath> #include <cmath>
#include <cstddef> #include <cstddef>
#include <functional> #include <functional>
#include <initializer_list> #include <initializer_list>
#include <new> #include <new>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header #pragma GCC system_header
#endif #endif
_LIBCPP_PUSH_MACROS _LIBCPP_PUSH_MACROS
#include <__undef_macros> #include <__undef_macros>
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libcxx/utils/graph_header_deps.py

#!/usr/bin/env python #!/usr/bin/env python
#===----------------------------------------------------------------------===## #===----------------------------------------------------------------------===##
# #
# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
# See https://llvm.org/LICENSE.txt for license information. # See https://llvm.org/LICENSE.txt for license information.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
# #
#===----------------------------------------------------------------------===## #===----------------------------------------------------------------------===##
import argparse import argparse
import os import os
import re import re
import sys import sys
def is_config_header(h): def is_config_header(h):
return os.path.basename(h) in ['__config', '__libcpp_version', '__undef_macros'] return os.path.basename(h) in ['__config', '__libcpp_version', '__undef_macros', 'version']
def is_experimental_header(h): def is_experimental_header(h):
return ('experimental/' in h) or ('ext/' in h) return ('experimental/' in h) or ('ext/' in h)
def is_support_header(h): def is_support_header(h):
return '__support/' in h return '__support/' in h
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