/* * 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 "-Wcast-function-type-strict" #pragma GCC diagnostic error "-Wconstant-conversion" #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 … #endif /* Enable GNU extensions on systems that have them. */ #ifndef _GNU_SOURCE #define _GNU_SOURCE … #endif /* Enable threading extensions on Solaris. */ #ifndef _POSIX_PTHREAD_SEMANTICS #define _POSIX_PTHREAD_SEMANTICS … #endif /* Enable extensions on HP NonStop. */ #ifndef _TANDEM_SOURCE #define _TANDEM_SOURCE … #endif /* Enable general extensions on Solaris. */ #ifndef __EXTENSIONS__ #define __EXTENSIONS__ … #endif #if defined (_MSC_VER) && defined (HB_DLL_EXPORT) #define HB_EXTERN … #endif // https://github.com/harfbuzz/harfbuzz/pull/4619 #ifndef __STDC_FORMAT_MACROS #define __STDC_FORMAT_MACROS … #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 … #endif #else #include <intrin.h> #endif #endif #ifdef _WIN32 #include <windows.h> #include <winapifamily.h> #endif #ifndef PRId32 #define PRId32 … #define PRIu32 … #define PRIx32 … #endif #define HB_PASTE1(a,b) … #define HB_PASTE(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 … #define hb_calloc … #define hb_realloc … #define hb_free … #else #define hb_malloc … #define hb_calloc … #define hb_realloc … #define hb_free … #endif /* * Compiler attributes */ // gcc 10 has __has_builtin but not earlier versions. Sanction any gcc >= 5 // clang defines it so no need. #ifdef __has_builtin #define hb_has_builtin … #else #define hb_has_builtin … #endif #if defined(__OPTIMIZE__) && hb_has_builtin(__builtin_expect) #define likely(expr) … #define unlikely(expr) … #else #define likely … #define unlikely … #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) … #else #define HB_PRINTF_FUNC … #endif #if defined(__GNUC__) && (__GNUC__ >= 4) || (__clang__) #define HB_UNUSED … #elif defined(_MSC_VER) /* https://github.com/harfbuzz/harfbuzz/issues/635 */ #define HB_UNUSED … #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 … # 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 … # endif #endif /* https://github.com/harfbuzz/harfbuzz/issues/1651 */ #if defined(__clang__) && __clang_major__ < 10 #define static_const … #else #define static_const … #endif #if defined(__GNUC__) && (__GNUC__ >= 3) #define HB_FUNC … #elif defined(_MSC_VER) #define HB_FUNC … #else #define HB_FUNC … #endif #if defined(__SUNPRO_CC) && (__SUNPRO_CC < 0x5140) /* https://github.com/harfbuzz/harfbuzz/issues/630 */ #define __restrict #endif #ifndef HB_ALWAYS_INLINE #if defined(_MSC_VER) #define HB_ALWAYS_INLINE … #else #define HB_ALWAYS_INLINE … #endif #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 … #elif defined(__GNUC__) && (__GNUC__ >= 7) /* GNU fallthrough attribute is available from GCC7 */ #define HB_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 … #else #define HB_FALLTHROUGH … #endif /* A tag to enforce use of return value for a function */ #if __cplusplus >= 201703L #define HB_NODISCARD … #elif defined(__GNUC__) || defined(__clang__) #define HB_NODISCARD … #elif defined(_MSC_VER) #define HB_NODISCARD … #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 … #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 … # endif # endif # ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN … # endif # ifndef STRICT #define STRICT … # endif # if defined(_WIN32_WCE) /* Some things not defined on Windows CE. */ #define 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 … # endif #endif #ifdef HB_NO_GETENV #define getenv … #endif #ifndef HB_NO_ERRNO # include <cerrno> #else static int HB_UNUSED _hb_errno = 0; # undef errno #define errno … #endif #define HB_STMT_START … #define HB_STMT_END … #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 … # 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 … # 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 … # 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 … # 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 … #endif #ifndef hb_atexit #if !HB_USE_ATEXIT #define hb_atexit(_) … #else /* HB_USE_ATEXIT */ # ifdef HAVE_ATEXIT #define hb_atexit … # else template <void (*function) (void)> struct hb_atexit_t { ~hb_atexit_t () { function (); } }; #define hb_atexit … # endif #endif #endif // Locale business #if !defined(HB_NO_SETLOCALE) && (!defined(HAVE_NEWLOCALE) || !defined(HAVE_USELOCALE)) #define HB_NO_SETLOCALE … #endif #ifndef HB_NO_SETLOCALE #include <locale.h> #ifdef HAVE_XLOCALE_H #include <xlocale.h> // Needed on BSD/OS X for uselocale #endif #ifdef WIN32 #define hb_locale_t … #else #define hb_locale_t … #endif #define hb_setlocale … #define hb_uselocale … #else #define hb_locale_t … #define hb_setlocale(Category, Locale) … #define hb_uselocale(Locale) … #endif /* Lets assert int types. Saves trouble down the road. */ static_assert …; static_assert …; static_assert …; static_assert …; /* Pie time. */ // https://github.com/harfbuzz/harfbuzz/issues/4166 #define HB_PI … #define HB_2_PI … /* 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 */
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