/*

 * 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   "-Wbitwise-instead-of-logical"

#pragma GCC diagnostic error   "-Wcast-align"

#pragma GCC diagnostic error   "-Wcast-function-type"

#pragma GCC diagnostic error   "-Wcomma"

#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   "-Wnarrowing"

#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 "-Wformat-signedness"

#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"

#pragma GCC diagnostic warning "-Wunsafe-loop-optimizations"

#pragma GCC diagnostic warning "-Wunused-but-set-variable"

#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 "-Wshadow"     // TODO fix

#pragma GCC diagnostic ignored "-Wunused-parameter"   // TODO fix

#if defined(__GNUC__) && !defined(__clang__)

#pragma GCC diagnostic ignored "-Wunused-result"    // TODO fix

#endif

#endif

/* Ignored intentionally. */

#ifndef HB_NO_PRAGMA_GCC_DIAGNOSTIC_IGNORED

#pragma GCC diagnostic ignored "-Wclass-memaccess"

#pragma GCC diagnostic ignored "-Wcast-function-type-strict" // https://github.com/harfbuzz/harfbuzz/pull/3859#issuecomment-1295409126

#pragma GCC diagnostic ignored "-Wdangling-reference" // https://github.com/harfbuzz/harfbuzz/issues/4043

#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 "-Wrange-loop-analysis" // https://github.com/harfbuzz/harfbuzz/issues/2834

#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"

#include "hb-limits.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 <cassert>

#include <cfloat>

#include <climits>

#if defined(_MSC_VER) && !defined(_USE_MATH_DEFINES)

# define _USE_MATH_DEFINES

#endif

#include <cmath>

#include <cstdarg>

#include <cstddef>

#include <cstdio>

#include <cstdlib>

#include <cstring>

#if (defined(_MSC_VER) && _MSC_VER >= 1500) || defined(__MINGW32__)

#ifdef __MINGW32_VERSION

#ifndef WIN32_LEAN_AND_MEAN

#define WIN32_LEAN_AND_MEAN 1

#endif

#else

#include <intrin.h>

#endif

#endif

#ifdef _WIN32

#include <windows.h>

#include <winapifamily.h>

#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_CUSTOM_MALLOC) \

  && defined(hb_malloc_impl) \

  && defined(hb_calloc_impl) \

  && defined(hb_realloc_impl) \

  && defined(hb_free_impl)

#define HB_CUSTOM_MALLOC

#endif

#ifdef HB_CUSTOM_MALLOC

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 hb_malloc hb_malloc_impl

#define hb_calloc hb_calloc_impl

#define hb_realloc hb_realloc_impl

#define hb_free hb_free_impl

#else

#define hb_malloc malloc

#define hb_calloc calloc

#define hb_realloc realloc

#define hb_free free

#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_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx)))

#else

#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

/* A tag to enforce use of return value for a function */

#if __cplusplus >= 201703L

#  define HB_NODISCARD [[nodiscard]]

#elif defined(__GNUC__) || defined(__clang__)

#  define HB_NODISCARD __attribute__((warn_unused_result))

#elif defined(_MSC_VER)

#  define HB_NODISCARD _Check_return_

#else

#  define HB_NODISCARD

#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 WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#      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 !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)

#    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 <cerrno>

#else

static int HB_UNUSED _hb_errno = 0;

#  undef errno

#  define errno _hb_errno

#endif

#define HB_STMT_START do

#define HB_STMT_END   while (0)

#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 /* defined(HAVE_ATEXIT) && !defined(HB_USE_ATEXIT) */

#ifdef HB_NO_ATEXIT

#  undef HB_USE_ATEXIT

#endif

#ifndef HB_USE_ATEXIT

#  define HB_USE_ATEXIT 0

#endif

#ifndef hb_atexit

#if !HB_USE_ATEXIT

#  define hb_atexit(_) HB_STMT_START { if (0) (_) (); } HB_STMT_END

#else /* HB_USE_ATEXIT */

#  ifdef HAVE_ATEXIT

#    define hb_atexit atexit

#  else

     template <void (*function) (void)> struct hb_atexit_t { ~hb_atexit_t () { function (); } };

#    define hb_atexit(f) static hb_atexit_t<f> _hb_atexit_##__LINE__;

#  endif

#endif

#endif

/* Lets assert int types.  Saves trouble down the road. */

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), "");

/* 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-cplusplus.hh"

#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 */