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/*
* Copyright © 2007,2008,2009 Red Hat, Inc.
* Copyright © 2011,2012 Google, Inc.
*
* This is part of HarfBuzz, a text shaping library.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
* DAMAGE.
*
* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
*
* Red Hat Author(s): Behdad Esfahbod
* Google Author(s): Behdad Esfahbod
*/
#ifndef HB_HH
#define HB_HH
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC
#ifdef _MSC_VER
#pragma warning( disable: 4068 ) /* Unknown pragma */
#endif
#if defined(__GNUC__) || defined(__clang__)
/* Rules:
*
* - All pragmas are declared GCC even if they are clang ones. Otherwise GCC
* nags, even though we instruct it to ignore -Wunknown-pragmas. ¯\_(ツ)_/¯
*
* - Within each category, keep sorted.
*
* - Warnings whose scope can be expanded in future compiler versions shall
* be declared as "warning". Otherwise, either ignored or error.
*/
/* Setup. Don't sort order within this category. */
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING
#pragma GCC diagnostic warning "-Wall"
#pragma GCC diagnostic warning "-Wextra"
#endif
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED
#pragma GCC diagnostic ignored "-Wpragmas"
#pragma GCC diagnostic ignored "-Wunknown-pragmas"
#pragma GCC diagnostic ignored "-Wunknown-warning-option"
#endif
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING
//#pragma GCC diagnostic warning "-Weverything"
#endif
/* Error. Should never happen. */
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_ERROR
#pragma GCC diagnostic error "-Wc++11-narrowing"
#pragma GCC diagnostic error "-Wcast-align"
#pragma GCC diagnostic error "-Wcast-function-type"
#pragma GCC diagnostic error "-Wdelete-non-virtual-dtor"
#pragma GCC diagnostic error "-Wembedded-directive"
#pragma GCC diagnostic error "-Wextra-semi-stmt"
#pragma GCC diagnostic error "-Wformat-security"
#pragma GCC diagnostic error "-Wimplicit-function-declaration"
#pragma GCC diagnostic error "-Winit-self"
#pragma GCC diagnostic error "-Winjected-class-name"
#pragma GCC diagnostic error "-Wmissing-braces"
#pragma GCC diagnostic error "-Wmissing-declarations"
#pragma GCC diagnostic error "-Wmissing-prototypes"
#pragma GCC diagnostic error "-Wnested-externs"
#pragma GCC diagnostic error "-Wold-style-definition"
#pragma GCC diagnostic error "-Wpointer-arith"
#pragma GCC diagnostic error "-Wredundant-decls"
#pragma GCC diagnostic error "-Wreorder"
#pragma GCC diagnostic error "-Wsign-compare"
#pragma GCC diagnostic error "-Wstrict-prototypes"
#pragma GCC diagnostic error "-Wstring-conversion"
#pragma GCC diagnostic error "-Wswitch-enum"
#pragma GCC diagnostic error "-Wtautological-overlap-compare"
#pragma GCC diagnostic error "-Wunneeded-internal-declaration"
#pragma GCC diagnostic error "-Wunused"
#pragma GCC diagnostic error "-Wunused-local-typedefs"
#pragma GCC diagnostic error "-Wunused-value"
#pragma GCC diagnostic error "-Wunused-variable"
#pragma GCC diagnostic error "-Wvla"
#pragma GCC diagnostic error "-Wwrite-strings"
#endif
/* Warning. To be investigated if happens. */
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_WARNING
#pragma GCC diagnostic warning "-Wbuiltin-macro-redefined"
#pragma GCC diagnostic warning "-Wdeprecated"
#pragma GCC diagnostic warning "-Wdeprecated-declarations"
#pragma GCC diagnostic warning "-Wdisabled-optimization"
#pragma GCC diagnostic warning "-Wdouble-promotion"
#pragma GCC diagnostic warning "-Wformat=2"
#pragma GCC diagnostic warning "-Wignored-pragma-optimize"
#pragma GCC diagnostic warning "-Wlogical-op"
#pragma GCC diagnostic warning "-Wmaybe-uninitialized"
#pragma GCC diagnostic warning "-Wmissing-format-attribute"
#pragma GCC diagnostic warning "-Wundef"
#endif
/* Ignored currently, but should be fixed at some point. */
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED
#pragma GCC diagnostic ignored "-Wconversion" // TODO fix
#pragma GCC diagnostic ignored "-Wformat-signedness" // TODO fix
#pragma GCC diagnostic ignored "-Wshadow" // TODO fix
#pragma GCC diagnostic ignored "-Wunsafe-loop-optimizations" // TODO fix
#pragma GCC diagnostic ignored "-Wunused-parameter" // TODO fix
#endif
/* Ignored intentionally. */
#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED
#pragma GCC diagnostic ignored "-Wclass-memaccess"
#pragma GCC diagnostic ignored "-Wformat-nonliteral"
#pragma GCC diagnostic ignored "-Wformat-zero-length"
#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
#pragma GCC diagnostic ignored "-Wpacked" // Erratic impl in clang
#pragma GCC diagnostic ignored "-Wstrict-aliasing"
#pragma GCC diagnostic ignored "-Wtype-limits"
#pragma GCC diagnostic ignored "-Wc++11-compat" // only gcc raises it
#endif
#endif
#endif
#include "hb-config.hh"
/*
* Following added based on what AC_USE_SYSTEM_EXTENSIONS adds to
* config.h.in. Copied here for the convenience of those embedding
* HarfBuzz and not using our build system.
*/
/* Enable extensions on AIX 3, Interix. */
#ifndef _ALL_SOURCE
# define _ALL_SOURCE 1
#endif
/* Enable GNU extensions on systems that have them. */
#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif
/* Enable threading extensions on Solaris. */
#ifndef _POSIX_PTHREAD_SEMANTICS
# define _POSIX_PTHREAD_SEMANTICS 1
#endif
/* Enable extensions on HP NonStop. */
#ifndef _TANDEM_SOURCE
# define _TANDEM_SOURCE 1
#endif
/* Enable general extensions on Solaris. */
#ifndef __EXTENSIONS__
# define __EXTENSIONS__ 1
#endif
#if defined (_MSC_VER) && defined (HB_DLL_EXPORT)
#define HB_EXTERN __declspec (dllexport) extern
#endif
#include "hb.h"
#define HB_H_IN
#include "hb-ot.h"
#define HB_OT_H_IN
#include "hb-aat.h"
#define HB_AAT_H_IN
#include <limits.h>
#include <math.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>
#include <assert.h>
#include <stdio.h>
#include <stdarg.h>
#if (defined(_MSC_VER) && _MSC_VER >= 1500) || defined(__MINGW32__)
#ifdef __MINGW32_VERSION
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif
#include <windows.h>
#else
#include <intrin.h>
#endif
#endif
#define HB_PASTE1(a,b) a##b
#define HB_PASTE(a,b) HB_PASTE1(a,b)
/* Compile-time custom allocator support. */
#if defined(hb_malloc_impl) \
&& defined(hb_calloc_impl) \
&& defined(hb_realloc_impl) \
&& defined(hb_free_impl)
extern "C" void* hb_malloc_impl(size_t size);
extern "C" void* hb_calloc_impl(size_t nmemb, size_t size);
extern "C" void* hb_realloc_impl(void *ptr, size_t size);
extern "C" void hb_free_impl(void *ptr);
#define malloc hb_malloc_impl
#define calloc hb_calloc_impl
#define realloc hb_realloc_impl
#define free hb_free_impl
#endif
/*
* Compiler attributes
*/
#if (defined(__GNUC__) || defined(__clang__)) && defined(__OPTIMIZE__)
#define likely(expr) (__builtin_expect (!!(expr), 1))
#define unlikely(expr) (__builtin_expect (!!(expr), 0))
#else
#define likely(expr) (expr)
#define unlikely(expr) (expr)
#endif
#if !defined(__GNUC__) && !defined(__clang__)
#undef __attribute__
#define __attribute__(x)
#endif
#if defined(__GNUC__) && (__GNUC__ >= 3)
#define HB_PURE_FUNC __attribute__((pure))
#define HB_CONST_FUNC __attribute__((const))
#define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx)))
#else
#define HB_PURE_FUNC
#define HB_CONST_FUNC
#define HB_PRINTF_FUNC(format_idx, arg_idx)
#endif
#if defined(__GNUC__) && (__GNUC__ >= 4) || (__clang__)
#define HB_UNUSED __attribute__((unused))
#elif defined(_MSC_VER) /* https://github.com/harfbuzz/harfbuzz/issues/635 */
#define HB_UNUSED __pragma(warning(suppress: 4100 4101))
#else
#define HB_UNUSED
#endif
#ifndef HB_INTERNAL
# if !defined(HB_NO_VISIBILITY) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(_MSC_VER) && !defined(__SUNPRO_CC)
# define HB_INTERNAL __attribute__((__visibility__("hidden")))
# elif defined(__MINGW32__)
/* We use -export-symbols on mingw32, since it does not support visibility attributes. */
# define HB_INTERNAL
# elif defined (_MSC_VER) && defined (HB_DLL_EXPORT)
/* We do not try to export internal symbols on Visual Studio */
# define HB_INTERNAL
#else
# define HB_INTERNAL
# define HB_NO_VISIBILITY 1
# endif
#endif
/* https://github.com/harfbuzz/harfbuzz/issues/1651 */
#if defined(__clang__) && __clang_major__ < 10
#define static_const static
#else
#define static_const static const
#endif
#if defined(__GNUC__) && (__GNUC__ >= 3)
#define HB_FUNC __PRETTY_FUNCTION__
#elif defined(_MSC_VER)
#define HB_FUNC __FUNCSIG__
#else
#define HB_FUNC __func__
#endif
#if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140)
/* https://github.com/harfbuzz/harfbuzz/issues/630 */
#define __restrict
#endif
/*
* Borrowed from https://bugzilla.mozilla.org/show_bug.cgi?id=1215411
* HB_FALLTHROUGH is an annotation to suppress compiler warnings about switch
* cases that fall through without a break or return statement. HB_FALLTHROUGH
* is only needed on cases that have code:
*
* switch (foo) {
* case 1: // These cases have no code. No fallthrough annotations are needed.
* case 2:
* case 3:
* foo = 4; // This case has code, so a fallthrough annotation is needed:
* HB_FALLTHROUGH;
* default:
* return foo;
* }
*/
#if defined(__clang__) && __cplusplus >= 201103L
/* clang's fallthrough annotations are only available starting in C++11. */
# define HB_FALLTHROUGH [[clang::fallthrough]]
#elif defined(__GNUC__) && (__GNUC__ >= 7)
/* GNU fallthrough attribute is available from GCC7 */
# define HB_FALLTHROUGH __attribute__((fallthrough))
#elif defined(_MSC_VER)
/*
* MSVC's __fallthrough annotations are checked by /analyze (Code Analysis):
* https://msdn.microsoft.com/en-us/library/ms235402%28VS.80%29.aspx
*/
# include <sal.h>
# define HB_FALLTHROUGH __fallthrough
#else
# define HB_FALLTHROUGH /* FALLTHROUGH */
#endif
/* https://github.com/harfbuzz/harfbuzz/issues/1852 */
#if defined(__clang__) && !(defined(_AIX) && (defined(__IBMCPP__) || defined(__ibmxl__)))
/* Disable certain sanitizer errors. */
/* https://github.com/harfbuzz/harfbuzz/issues/1247 */
#define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW __attribute__((no_sanitize("signed-integer-overflow")))
#else
#define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW
#endif
#ifdef _WIN32
/* We need Windows Vista for both Uniscribe backend and for
* MemoryBarrier. We don't support compiling on Windows XP,
* though we run on it fine. */
# if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
# undef _WIN32_WINNT
# endif
# ifndef _WIN32_WINNT
# if !defined(WINAPI_FAMILY) || !(WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
# define _WIN32_WINNT 0x0600
# endif
# endif
# ifndef WIN32_LEAN_AND_MEAN
# define WIN32_LEAN_AND_MEAN 1
# endif
# ifndef STRICT
# define STRICT 1
# endif
# if defined(_WIN32_WCE)
/* Some things not defined on Windows CE. */
# define vsnprintf _vsnprintf
# ifndef HB_NO_GETENV
# define HB_NO_GETENV
# endif
# if _WIN32_WCE < 0x800
# define HB_NO_SETLOCALE
# define HB_NO_ERRNO
# endif
# elif defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP)
# ifndef HB_NO_GETENV
# define HB_NO_GETENV
# endif
# endif
# if defined(_MSC_VER) && _MSC_VER < 1900
# define snprintf _snprintf
# endif
#endif
#ifdef HB_NO_GETENV
#define getenv(Name) nullptr
#endif
#ifndef HB_NO_ERRNO
# include <errno.h>
#else
static int HB_UNUSED _hb_errno = 0;
# undef errno
# define errno _hb_errno
#endif
#if defined(HAVE_ATEXIT) && !defined(HB_USE_ATEXIT)
/* atexit() is only safe to be called from shared libraries on certain
* platforms. Whitelist.
* https://bugs.freedesktop.org/show_bug.cgi?id=82246 */
# if defined(__linux) && defined(__GLIBC_PREREQ)
# if __GLIBC_PREREQ(2,3)
/* From atexit() manpage, it's safe with glibc 2.2.3 on Linux. */
# define HB_USE_ATEXIT 1
# endif
# elif defined(_MSC_VER) || defined(__MINGW32__)
/* For MSVC:
* https://msdn.microsoft.com/en-us/library/tze57ck3.aspx
* https://msdn.microsoft.com/en-us/library/zk17ww08.aspx
* mingw32 headers say atexit is safe to use in shared libraries.
*/
# define HB_USE_ATEXIT 1
# elif defined(__ANDROID__)
/* This is available since Android NKD r8 or r8b:
* https://issuetracker.google.com/code/p/android/issues/detail?id=6455
*/
# define HB_USE_ATEXIT 1
# elif defined(__APPLE__)
/* For macOS and related platforms, the atexit man page indicates
* that it will be invoked when the library is unloaded, not only
* at application exit.
*/
# define HB_USE_ATEXIT 1
# endif
#endif
#ifdef HB_NO_ATEXIT
# undef HB_USE_ATEXIT
#endif
#ifndef HB_USE_ATEXIT
# define HB_USE_ATEXIT 0
#endif
#define HB_STMT_START do
#define HB_STMT_END while (0)
/* Static-assert as expression. */
template <unsigned int cond> class hb_assert_constant_t;
template <> class hb_assert_constant_t<1> {};
#define ASSERT_STATIC_EXPR_ZERO(_cond) (0 * (unsigned int) sizeof (hb_assert_constant_t<_cond>))
/* Lets assert int types. Saves trouble down the road. */
static_assert ((sizeof (int8_t) == 1), "");
static_assert ((sizeof (uint8_t) == 1), "");
static_assert ((sizeof (int16_t) == 2), "");
static_assert ((sizeof (uint16_t) == 2), "");
static_assert ((sizeof (int32_t) == 4), "");
static_assert ((sizeof (uint32_t) == 4), "");
static_assert ((sizeof (int64_t) == 8), "");
static_assert ((sizeof (uint64_t) == 8), "");
static_assert ((sizeof (hb_codepoint_t) == 4), "");
static_assert ((sizeof (hb_position_t) == 4), "");
static_assert ((sizeof (hb_mask_t) == 4), "");
static_assert ((sizeof (hb_var_int_t) == 4), "");
#define HB_DELETE_COPY_ASSIGN(TypeName) \
TypeName(const TypeName&) = delete; \
void operator=(const TypeName&) = delete
#define HB_DELETE_CREATE_COPY_ASSIGN(TypeName) \
TypeName() = delete; \
TypeName(const TypeName&) = delete; \
void operator=(const TypeName&) = delete
/* Flags */
/* Enable bitwise ops on enums marked as flags_t */
/* To my surprise, looks like the function resolver is happy to silently cast
* one enum to another... So this doesn't provide the type-checking that I
* originally had in mind... :(.
*
* For MSVC warnings, see: https://github.com/harfbuzz/harfbuzz/pull/163
*/
#ifdef _MSC_VER
# pragma warning(disable:4200)
# pragma warning(disable:4800)
#endif
#define HB_MARK_AS_FLAG_T(T) \
extern "C++" { \
static inline T operator | (T l, T r) { return T ((unsigned) l | (unsigned) r); } \
static inline T operator & (T l, T r) { return T ((unsigned) l & (unsigned) r); } \
static inline T operator ^ (T l, T r) { return T ((unsigned) l ^ (unsigned) r); } \
static inline T operator ~ (T r) { return T (~(unsigned int) r); } \
static inline T& operator |= (T &l, T r) { l = l | r; return l; } \
static inline T& operator &= (T& l, T r) { l = l & r; return l; } \
static inline T& operator ^= (T& l, T r) { l = l ^ r; return l; } \
} \
static_assert (true, "")
/* Useful for set-operations on small enums.
* For example, for testing "x ∈ {x1, x2, x3}" use:
* (FLAG_UNSAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3)))
*/
#define FLAG(x) (ASSERT_STATIC_EXPR_ZERO ((unsigned)(x) < 32) + (((uint32_t) 1U) << (unsigned)(x)))
#define FLAG_UNSAFE(x) ((unsigned)(x) < 32 ? (((uint32_t) 1U) << (unsigned)(x)) : 0)
#define FLAG_RANGE(x,y) (ASSERT_STATIC_EXPR_ZERO ((x) < (y)) + FLAG(y+1) - FLAG(x))
#define FLAG64(x) (ASSERT_STATIC_EXPR_ZERO ((unsigned)(x) < 64) + (((uint64_t) 1ULL) << (unsigned)(x)))
#define FLAG64_UNSAFE(x) ((unsigned)(x) < 64 ? (((uint64_t) 1ULL) << (unsigned)(x)) : 0)
/* Size signifying variable-sized array */
#ifndef HB_VAR_ARRAY
#define HB_VAR_ARRAY 1
#endif
static inline double
_hb_roundf (float x)
{
return x >= 0 ? floor ((double) x + .5) : ceil ((double) x - .5);
}
#ifndef HAVE_ROUNDF
#define roundf(x) _hb_roundf(x)
#endif
/* Endian swap, used in Windows related backends */
static inline uint16_t hb_uint16_swap (const uint16_t v)
{ return (v >> 8) | (v << 8); }
static inline uint32_t hb_uint32_swap (const uint32_t v)
{ return (hb_uint16_swap (v) << 16) | hb_uint16_swap (v >> 16); }
/*
* Big-endian integers. Here because fundamental.
*/
template <typename Type, int Bytes> struct BEInt;
template <typename Type>
struct BEInt<Type, 1>
{
public:
BEInt<Type, 1>& operator = (Type V)
{
v = V;
return *this;
}
operator Type () const { return v; }
private: uint8_t v;
};
template <typename Type>
struct BEInt<Type, 2>
{
public:
BEInt<Type, 2>& operator = (Type V)
{
v[0] = (V >> 8) & 0xFF;
v[1] = (V ) & 0xFF;
return *this;
}
operator Type () const
{
#if ((defined(__GNUC__) && __GNUC__ >= 5) || defined(__clang__)) && \
defined(__BYTE_ORDER) && \
(__BYTE_ORDER == __LITTLE_ENDIAN || __BYTE_ORDER == __BIG_ENDIAN)
/* Spoon-feed the compiler a big-endian integer with alignment 1.
* https://github.com/harfbuzz/harfbuzz/pull/1398 */
struct __attribute__((packed)) packed_uint16_t { uint16_t v; };
#if __BYTE_ORDER == __LITTLE_ENDIAN
return __builtin_bswap16 (((packed_uint16_t *) this)->v);
#else /* __BYTE_ORDER == __BIG_ENDIAN */
return ((packed_uint16_t *) this)->v;
#endif
#endif
return (v[0] << 8)
+ (v[1] );
}
private: uint8_t v[2];
};
template <typename Type>
struct BEInt<Type, 3>
{
public:
BEInt<Type, 3>& operator = (Type V)
{
v[0] = (V >> 16) & 0xFF;
v[1] = (V >> 8) & 0xFF;
v[2] = (V ) & 0xFF;
return *this;
}
operator Type () const
{
return (v[0] << 16)
+ (v[1] << 8)
+ (v[2] );
}
private: uint8_t v[3];
};
template <typename Type>
struct BEInt<Type, 4>
{
public:
BEInt<Type, 4>& operator = (Type V)
{
v[0] = (V >> 24) & 0xFF;
v[1] = (V >> 16) & 0xFF;
v[2] = (V >> 8) & 0xFF;
v[3] = (V ) & 0xFF;
return *this;
}
operator Type () const
{
return (v[0] << 24)
+ (v[1] << 16)
+ (v[2] << 8)
+ (v[3] );
}
private: uint8_t v[4];
};
/*
* For lack of a better place, put Zawgyi script hack here.
* https://github.com/harfbuzz/harfbuzz/issues/1162
*/
#define HB_SCRIPT_MYANMAR_ZAWGYI ((hb_script_t) HB_TAG ('Q','a','a','g'))
/* Headers we include for everyone. Keep topologically sorted by dependency.
* They express dependency amongst themselves, but no other file should include
* them directly.*/
#include "hb-meta.hh"
#include "hb-mutex.hh"
#include "hb-number.hh"
#include "hb-atomic.hh" // Requires: hb-meta
#include "hb-null.hh" // Requires: hb-meta
#include "hb-algs.hh" // Requires: hb-meta hb-null hb-number
#include "hb-iter.hh" // Requires: hb-algs hb-meta
#include "hb-debug.hh" // Requires: hb-algs hb-atomic
#include "hb-array.hh" // Requires: hb-algs hb-iter hb-null
#include "hb-vector.hh" // Requires: hb-array hb-null
#include "hb-object.hh" // Requires: hb-atomic hb-mutex hb-vector
#endif /* HB_HH */
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