author | erikj |
Tue, 12 Sep 2017 19:03:39 +0200 | |
changeset 47216 | 71c04702a3d5 |
parent 43232 | jdk/src/java.desktop/share/native/libfontmanager/harfbuzz/hb-private.hh@8e39ad39979f |
child 48274 | 51772bf1fb0c |
permissions | -rw-r--r-- |
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/* |
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* Copyright © 2007,2008,2009 Red Hat, Inc. |
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* Copyright © 2011,2012 Google, Inc. |
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* |
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* This is part of HarfBuzz, a text shaping library. |
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* |
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* Permission is hereby granted, without written agreement and without |
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* license or royalty fees, to use, copy, modify, and distribute this |
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* software and its documentation for any purpose, provided that the |
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* above copyright notice and the following two paragraphs appear in |
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* all copies of this software. |
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* |
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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* DAMAGE. |
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* |
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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* |
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* Red Hat Author(s): Behdad Esfahbod |
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* Google Author(s): Behdad Esfahbod |
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*/ |
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#ifndef HB_PRIVATE_HH |
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#define HB_PRIVATE_HH |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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#include "hb.h" |
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#define HB_H_IN |
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#ifdef HAVE_OT |
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#include "hb-ot.h" |
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#define HB_OT_H_IN |
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#endif |
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#include <stdlib.h> |
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#include <stddef.h> |
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#include <string.h> |
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#include <assert.h> |
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/* We only use these two for debug output. However, the debug code is |
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* always seen by the compiler (and optimized out in non-debug builds. |
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* If including these becomes a problem, we can start thinking about |
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* someway around that. */ |
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#include <stdio.h> |
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#include <errno.h> |
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#include <stdarg.h> |
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/* Compile-time custom allocator support. */ |
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#if defined(hb_malloc_impl) \ |
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&& defined(hb_calloc_impl) \ |
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&& defined(hb_realloc_impl) \ |
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&& defined(hb_free_impl) |
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extern "C" void* hb_malloc_impl(size_t size); |
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extern "C" void* hb_calloc_impl(size_t nmemb, size_t size); |
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extern "C" void* hb_realloc_impl(void *ptr, size_t size); |
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extern "C" void hb_free_impl(void *ptr); |
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#define malloc hb_malloc_impl |
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#define calloc hb_calloc_impl |
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#define realloc hb_realloc_impl |
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#define free hb_free_impl |
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#endif |
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/* Compiler attributes */ |
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#if defined(__GNUC__) && (__GNUC__ > 2) && defined(__OPTIMIZE__) |
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#define _HB_BOOLEAN_EXPR(expr) ((expr) ? 1 : 0) |
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#define likely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 1)) |
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#define unlikely(expr) (__builtin_expect (_HB_BOOLEAN_EXPR(expr), 0)) |
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#else |
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#define likely(expr) (expr) |
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#define unlikely(expr) (expr) |
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#endif |
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#if !defined(__GNUC__) && !defined(__clang__) |
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#undef __attribute__ |
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#define __attribute__(x) |
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#endif |
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#if __GNUC__ >= 3 |
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#define HB_PURE_FUNC __attribute__((pure)) |
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#define HB_CONST_FUNC __attribute__((const)) |
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#define HB_PRINTF_FUNC(format_idx, arg_idx) __attribute__((__format__ (__printf__, format_idx, arg_idx))) |
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#else |
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#define HB_PURE_FUNC |
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#define HB_CONST_FUNC |
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#define HB_PRINTF_FUNC(format_idx, arg_idx) |
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#endif |
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#if __GNUC__ >= 4 |
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#define HB_UNUSED __attribute__((unused)) |
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#else |
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#define HB_UNUSED |
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#endif |
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#ifndef HB_INTERNAL |
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# if !defined(__MINGW32__) && !defined(__CYGWIN__) |
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# define HB_INTERNAL __attribute__((__visibility__("hidden"))) |
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# else |
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# define HB_INTERNAL |
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# endif |
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#endif |
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#if __GNUC__ >= 3 |
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#define HB_FUNC __PRETTY_FUNCTION__ |
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#elif defined(_MSC_VER) |
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#define HB_FUNC __FUNCSIG__ |
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#else |
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#define HB_FUNC __func__ |
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#endif |
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/* |
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* Borrowed from https://bugzilla.mozilla.org/show_bug.cgi?id=1215411 |
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* HB_FALLTHROUGH is an annotation to suppress compiler warnings about switch |
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* cases that fall through without a break or return statement. HB_FALLTHROUGH |
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* is only needed on cases that have code: |
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* |
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* switch (foo) { |
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* case 1: // These cases have no code. No fallthrough annotations are needed. |
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* case 2: |
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* case 3: |
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* foo = 4; // This case has code, so a fallthrough annotation is needed: |
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* HB_FALLTHROUGH; |
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* default: |
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* return foo; |
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* } |
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*/ |
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#if defined(__clang__) && __cplusplus >= 201103L |
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/* clang's fallthrough annotations are only available starting in C++11. */ |
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# define HB_FALLTHROUGH [[clang::fallthrough]] |
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#elif defined(_MSC_VER) |
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/* |
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* MSVC's __fallthrough annotations are checked by /analyze (Code Analysis): |
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* https://msdn.microsoft.com/en-us/library/ms235402%28VS.80%29.aspx |
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*/ |
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# include <sal.h> |
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# define HB_FALLTHROUGH __fallthrough |
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#else |
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# define HB_FALLTHROUGH /* FALLTHROUGH */ |
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#endif |
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#if defined(_WIN32) || defined(__CYGWIN__) |
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/* We need Windows Vista for both Uniscribe backend and for |
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* MemoryBarrier. We don't support compiling on Windows XP, |
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* though we run on it fine. */ |
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# if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600 |
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# undef _WIN32_WINNT |
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# endif |
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# ifndef _WIN32_WINNT |
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# define _WIN32_WINNT 0x0600 |
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# endif |
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# ifndef WIN32_LEAN_AND_MEAN |
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# define WIN32_LEAN_AND_MEAN 1 |
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# endif |
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# ifndef STRICT |
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# define STRICT 1 |
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# endif |
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|
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# if defined(_WIN32_WCE) |
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/* Some things not defined on Windows CE. */ |
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# define strdup _strdup |
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# define vsnprintf _vsnprintf |
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# define getenv(Name) NULL |
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# if _WIN32_WCE < 0x800 |
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# define setlocale(Category, Locale) "C" |
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static int errno = 0; /* Use something better? */ |
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# endif |
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# elif defined(WINAPI_FAMILY) && (WINAPI_FAMILY==WINAPI_FAMILY_PC_APP || WINAPI_FAMILY==WINAPI_FAMILY_PHONE_APP) |
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# define getenv(Name) NULL |
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# endif |
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# if defined(_MSC_VER) && _MSC_VER < 1900 |
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# define snprintf _snprintf |
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# elif defined(_MSC_VER) && _MSC_VER >= 1900 |
184 |
# /* Covers VC++ Error for strdup being a deprecated POSIX name and to instead use _strdup instead */ |
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# define strdup _strdup |
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# endif |
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#endif |
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188 |
|
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#if HAVE_ATEXIT |
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/* atexit() is only safe to be called from shared libraries on certain |
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* platforms. Whitelist. |
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* https://bugs.freedesktop.org/show_bug.cgi?id=82246 */ |
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# if defined(__linux) && defined(__GLIBC_PREREQ) |
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# if __GLIBC_PREREQ(2,3) |
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/* From atexit() manpage, it's safe with glibc 2.2.3 on Linux. */ |
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# define HB_USE_ATEXIT 1 |
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# endif |
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# elif defined(_MSC_VER) || defined(__MINGW32__) |
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/* For MSVC: |
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* http://msdn.microsoft.com/en-ca/library/tze57ck3.aspx |
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* http://msdn.microsoft.com/en-ca/library/zk17ww08.aspx |
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* mingw32 headers say atexit is safe to use in shared libraries. |
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203 |
*/ |
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# define HB_USE_ATEXIT 1 |
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# elif defined(__ANDROID__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)) |
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206 |
/* This was fixed in Android NKD r8 or r8b: |
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* https://code.google.com/p/android/issues/detail?id=6455 |
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* which introduced GCC 4.6: |
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* https://developer.android.com/tools/sdk/ndk/index.html |
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210 |
*/ |
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211 |
# define HB_USE_ATEXIT 1 |
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212 |
# endif |
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213 |
#endif |
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214 |
|
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215 |
/* Basics */ |
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216 |
|
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217 |
|
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218 |
#ifndef NULL |
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219 |
# define NULL ((void *) 0) |
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220 |
#endif |
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221 |
|
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222 |
#undef MIN |
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223 |
template <typename Type> |
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224 |
static inline Type MIN (const Type &a, const Type &b) { return a < b ? a : b; } |
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225 |
|
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226 |
#undef MAX |
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227 |
template <typename Type> |
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228 |
static inline Type MAX (const Type &a, const Type &b) { return a > b ? a : b; } |
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229 |
|
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static inline unsigned int DIV_CEIL (const unsigned int a, unsigned int b) |
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{ return (a + (b - 1)) / b; } |
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232 |
|
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233 |
|
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234 |
#undef ARRAY_LENGTH |
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235 |
template <typename Type, unsigned int n> |
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static inline unsigned int ARRAY_LENGTH (const Type (&)[n]) { return n; } |
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/* A const version, but does not detect erratically being called on pointers. */ |
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#define ARRAY_LENGTH_CONST(__array) ((signed int) (sizeof (__array) / sizeof (__array[0]))) |
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239 |
|
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#define HB_STMT_START do |
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#define HB_STMT_END while (0) |
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|
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#define _ASSERT_STATIC1(_line, _cond) HB_UNUSED typedef int _static_assert_on_line_##_line##_failed[(_cond)?1:-1] |
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#define _ASSERT_STATIC0(_line, _cond) _ASSERT_STATIC1 (_line, (_cond)) |
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#define ASSERT_STATIC(_cond) _ASSERT_STATIC0 (__LINE__, (_cond)) |
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246 |
|
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template <unsigned int cond> class hb_assert_constant_t {}; |
248 |
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#define ASSERT_STATIC_EXPR_ZERO(_cond) (0 * (unsigned int) sizeof (hb_assert_constant_t<_cond>)) |
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#define _PASTE1(a,b) a##b |
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#define PASTE(a,b) _PASTE1(a,b) |
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|
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/* Lets assert int types. Saves trouble down the road. */ |
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|
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ASSERT_STATIC (sizeof (int8_t) == 1); |
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ASSERT_STATIC (sizeof (uint8_t) == 1); |
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258 |
ASSERT_STATIC (sizeof (int16_t) == 2); |
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ASSERT_STATIC (sizeof (uint16_t) == 2); |
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ASSERT_STATIC (sizeof (int32_t) == 4); |
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ASSERT_STATIC (sizeof (uint32_t) == 4); |
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ASSERT_STATIC (sizeof (int64_t) == 8); |
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ASSERT_STATIC (sizeof (uint64_t) == 8); |
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|
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ASSERT_STATIC (sizeof (hb_codepoint_t) == 4); |
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ASSERT_STATIC (sizeof (hb_position_t) == 4); |
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ASSERT_STATIC (sizeof (hb_mask_t) == 4); |
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ASSERT_STATIC (sizeof (hb_var_int_t) == 4); |
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|
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|
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/* We like our types POD */ |
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|
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#define _ASSERT_TYPE_POD1(_line, _type) union _type_##_type##_on_line_##_line##_is_not_POD { _type instance; } |
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#define _ASSERT_TYPE_POD0(_line, _type) _ASSERT_TYPE_POD1 (_line, _type) |
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#define ASSERT_TYPE_POD(_type) _ASSERT_TYPE_POD0 (__LINE__, _type) |
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|
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277 |
#ifdef __GNUC__ |
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# define _ASSERT_INSTANCE_POD1(_line, _instance) \ |
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HB_STMT_START { \ |
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typedef __typeof__(_instance) _type_##_line; \ |
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281 |
_ASSERT_TYPE_POD1 (_line, _type_##_line); \ |
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} HB_STMT_END |
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283 |
#else |
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284 |
# define _ASSERT_INSTANCE_POD1(_line, _instance) typedef int _assertion_on_line_##_line##_not_tested |
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285 |
#endif |
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286 |
# define _ASSERT_INSTANCE_POD0(_line, _instance) _ASSERT_INSTANCE_POD1 (_line, _instance) |
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# define ASSERT_INSTANCE_POD(_instance) _ASSERT_INSTANCE_POD0 (__LINE__, _instance) |
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288 |
|
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289 |
/* Check _assertion in a method environment */ |
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290 |
#define _ASSERT_POD1(_line) \ |
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291 |
HB_UNUSED inline void _static_assertion_on_line_##_line (void) const \ |
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{ _ASSERT_INSTANCE_POD1 (_line, *this); /* Make sure it's POD. */ } |
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293 |
# define _ASSERT_POD0(_line) _ASSERT_POD1 (_line) |
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294 |
# define ASSERT_POD() _ASSERT_POD0 (__LINE__) |
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295 |
|
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296 |
|
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297 |
|
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298 |
/* Misc */ |
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299 |
|
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300 |
/* Void! */ |
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301 |
struct _hb_void_t {}; |
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typedef const _hb_void_t *hb_void_t; |
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303 |
#define HB_VOID ((const _hb_void_t *) NULL) |
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304 |
|
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305 |
/* Return the number of 1 bits in mask. */ |
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306 |
static inline HB_CONST_FUNC unsigned int |
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307 |
_hb_popcount32 (uint32_t mask) |
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308 |
{ |
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309 |
#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) |
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310 |
return __builtin_popcount (mask); |
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311 |
#else |
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312 |
/* "HACKMEM 169" */ |
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313 |
uint32_t y; |
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314 |
y = (mask >> 1) &033333333333; |
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315 |
y = mask - y - ((y >>1) & 033333333333); |
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316 |
return (((y + (y >> 3)) & 030707070707) % 077); |
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317 |
#endif |
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318 |
} |
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319 |
|
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320 |
/* Returns the number of bits needed to store number */ |
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321 |
static inline HB_CONST_FUNC unsigned int |
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322 |
_hb_bit_storage (unsigned int number) |
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323 |
{ |
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324 |
#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__) |
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325 |
return likely (number) ? (sizeof (unsigned int) * 8 - __builtin_clz (number)) : 0; |
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326 |
#else |
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327 |
unsigned int n_bits = 0; |
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328 |
while (number) { |
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329 |
n_bits++; |
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330 |
number >>= 1; |
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331 |
} |
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332 |
return n_bits; |
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333 |
#endif |
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334 |
} |
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335 |
|
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336 |
/* Returns the number of zero bits in the least significant side of number */ |
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337 |
static inline HB_CONST_FUNC unsigned int |
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338 |
_hb_ctz (unsigned int number) |
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339 |
{ |
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340 |
#if defined(__GNUC__) && (__GNUC__ >= 4) && defined(__OPTIMIZE__) |
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341 |
return likely (number) ? __builtin_ctz (number) : 0; |
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342 |
#else |
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343 |
unsigned int n_bits = 0; |
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344 |
if (unlikely (!number)) return 0; |
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345 |
while (!(number & 1)) { |
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346 |
n_bits++; |
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347 |
number >>= 1; |
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348 |
} |
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349 |
return n_bits; |
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350 |
#endif |
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351 |
} |
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352 |
|
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353 |
static inline bool |
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354 |
_hb_unsigned_int_mul_overflows (unsigned int count, unsigned int size) |
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355 |
{ |
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356 |
return (size > 0) && (count >= ((unsigned int) -1) / size); |
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357 |
} |
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358 |
|
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359 |
|
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360 |
/* Type of bsearch() / qsort() compare function */ |
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361 |
typedef int (*hb_compare_func_t) (const void *, const void *); |
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362 |
|
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363 |
|
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364 |
|
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|
365 |
|
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366 |
/* arrays and maps */ |
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367 |
|
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368 |
|
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369 |
#define HB_PREALLOCED_ARRAY_INIT {0, 0, NULL} |
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370 |
template <typename Type, unsigned int StaticSize=16> |
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371 |
struct hb_prealloced_array_t |
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372 |
{ |
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373 |
unsigned int len; |
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374 |
unsigned int allocated; |
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375 |
Type *array; |
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376 |
Type static_array[StaticSize]; |
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377 |
|
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378 |
void init (void) { memset (this, 0, sizeof (*this)); } |
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379 |
|
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380 |
inline Type& operator [] (unsigned int i) { return array[i]; } |
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381 |
inline const Type& operator [] (unsigned int i) const { return array[i]; } |
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382 |
|
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383 |
inline Type *push (void) |
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384 |
{ |
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|
385 |
if (!array) { |
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386 |
array = static_array; |
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387 |
allocated = ARRAY_LENGTH (static_array); |
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388 |
} |
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389 |
if (likely (len < allocated)) |
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390 |
return &array[len++]; |
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|
391 |
|
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392 |
/* Need to reallocate */ |
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393 |
unsigned int new_allocated = allocated + (allocated >> 1) + 8; |
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394 |
Type *new_array = NULL; |
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395 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
396 |
if (array == static_array) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
397 |
new_array = (Type *) calloc (new_allocated, sizeof (Type)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
398 |
if (new_array) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
399 |
memcpy (new_array, array, len * sizeof (Type)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
400 |
} else { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
401 |
bool overflows = (new_allocated < allocated) || _hb_unsigned_int_mul_overflows (new_allocated, sizeof (Type)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
402 |
if (likely (!overflows)) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
403 |
new_array = (Type *) realloc (array, new_allocated * sizeof (Type)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
404 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
405 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
406 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
407 |
if (unlikely (!new_array)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
408 |
return NULL; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
409 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
410 |
array = new_array; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
411 |
allocated = new_allocated; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
412 |
return &array[len++]; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
413 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
414 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
415 |
inline void pop (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
416 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
417 |
len--; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
418 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
419 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
420 |
inline void remove (unsigned int i) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
421 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
422 |
if (unlikely (i >= len)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
423 |
return; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
424 |
memmove (static_cast<void *> (&array[i]), |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
425 |
static_cast<void *> (&array[i + 1]), |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
426 |
(len - i - 1) * sizeof (Type)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
427 |
len--; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
428 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
429 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
430 |
inline void shrink (unsigned int l) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
431 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
432 |
if (l < len) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
433 |
len = l; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
434 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
435 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
436 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
437 |
inline Type *find (T v) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
438 |
for (unsigned int i = 0; i < len; i++) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
439 |
if (array[i] == v) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
440 |
return &array[i]; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
441 |
return NULL; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
442 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
443 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
444 |
inline const Type *find (T v) const { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
445 |
for (unsigned int i = 0; i < len; i++) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
446 |
if (array[i] == v) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
447 |
return &array[i]; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
448 |
return NULL; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
449 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
450 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
451 |
inline void qsort (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
452 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
453 |
::qsort (array, len, sizeof (Type), (hb_compare_func_t) Type::cmp); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
454 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
455 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
456 |
inline void qsort (unsigned int start, unsigned int end) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
457 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
458 |
::qsort (array + start, end - start, sizeof (Type), (hb_compare_func_t) Type::cmp); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
459 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
460 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
461 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
462 |
inline Type *bsearch (T *key) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
463 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
464 |
return (Type *) ::bsearch (key, array, len, sizeof (Type), (hb_compare_func_t) Type::cmp); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
465 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
466 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
467 |
inline const Type *bsearch (T *key) const |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
468 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
469 |
return (const Type *) ::bsearch (key, array, len, sizeof (Type), (hb_compare_func_t) Type::cmp); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
470 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
471 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
472 |
inline void finish (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
473 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
474 |
if (array != static_array) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
475 |
free (array); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
476 |
array = NULL; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
477 |
allocated = len = 0; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
478 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
479 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
480 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
481 |
template <typename Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
482 |
struct hb_auto_array_t : hb_prealloced_array_t <Type> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
483 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
484 |
hb_auto_array_t (void) { hb_prealloced_array_t<Type>::init (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
485 |
~hb_auto_array_t (void) { hb_prealloced_array_t<Type>::finish (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
486 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
487 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
488 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
489 |
#define HB_LOCKABLE_SET_INIT {HB_PREALLOCED_ARRAY_INIT} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
490 |
template <typename item_t, typename lock_t> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
491 |
struct hb_lockable_set_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
492 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
493 |
hb_prealloced_array_t <item_t, 2> items; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
494 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
495 |
inline void init (void) { items.init (); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
496 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
497 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
498 |
inline item_t *replace_or_insert (T v, lock_t &l, bool replace) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
499 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
500 |
l.lock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
501 |
item_t *item = items.find (v); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
502 |
if (item) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
503 |
if (replace) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
504 |
item_t old = *item; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
505 |
*item = v; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
506 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
507 |
old.finish (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
508 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
509 |
else { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
510 |
item = NULL; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
511 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
512 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
513 |
} else { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
514 |
item = items.push (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
515 |
if (likely (item)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
516 |
*item = v; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
517 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
518 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
519 |
return item; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
520 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
521 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
522 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
523 |
inline void remove (T v, lock_t &l) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
524 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
525 |
l.lock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
526 |
item_t *item = items.find (v); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
527 |
if (item) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
528 |
item_t old = *item; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
529 |
*item = items[items.len - 1]; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
530 |
items.pop (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
531 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
532 |
old.finish (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
533 |
} else { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
534 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
535 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
536 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
537 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
538 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
539 |
inline bool find (T v, item_t *i, lock_t &l) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
540 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
541 |
l.lock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
542 |
item_t *item = items.find (v); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
543 |
if (item) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
544 |
*i = *item; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
545 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
546 |
return !!item; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
547 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
548 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
549 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
550 |
inline item_t *find_or_insert (T v, lock_t &l) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
551 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
552 |
l.lock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
553 |
item_t *item = items.find (v); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
554 |
if (!item) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
555 |
item = items.push (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
556 |
if (likely (item)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
557 |
*item = v; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
558 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
559 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
560 |
return item; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
561 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
562 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
563 |
inline void finish (lock_t &l) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
564 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
565 |
if (!items.len) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
566 |
/* No need for locking. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
567 |
items.finish (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
568 |
return; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
569 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
570 |
l.lock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
571 |
while (items.len) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
572 |
item_t old = items[items.len - 1]; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
573 |
items.pop (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
574 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
575 |
old.finish (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
576 |
l.lock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
577 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
578 |
items.finish (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
579 |
l.unlock (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
580 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
581 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
582 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
583 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
584 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
585 |
/* ASCII tag/character handling */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
586 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
587 |
static inline bool ISALPHA (unsigned char c) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
588 |
{ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
589 |
static inline bool ISALNUM (unsigned char c) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
590 |
{ return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9'); } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
591 |
static inline bool ISSPACE (unsigned char c) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
592 |
{ return c == ' ' || c =='\f'|| c =='\n'|| c =='\r'|| c =='\t'|| c =='\v'; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
593 |
static inline unsigned char TOUPPER (unsigned char c) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
594 |
{ return (c >= 'a' && c <= 'z') ? c - 'a' + 'A' : c; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
595 |
static inline unsigned char TOLOWER (unsigned char c) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
596 |
{ return (c >= 'A' && c <= 'Z') ? c - 'A' + 'a' : c; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
597 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
598 |
#define HB_TAG_CHAR4(s) (HB_TAG(((const char *) s)[0], \ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
599 |
((const char *) s)[1], \ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
600 |
((const char *) s)[2], \ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
601 |
((const char *) s)[3])) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
602 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
603 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
604 |
/* C++ helpers */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
605 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
606 |
/* Makes class uncopyable. Use in private: section. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
607 |
#define NO_COPY(T) \ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
608 |
T (const T &o); \ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
609 |
T &operator = (const T &o) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
610 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
611 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
612 |
/* Debug */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
613 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
614 |
|
40435 | 615 |
/* HB_NDEBUG disables some sanity checks that are very safe to disable and |
616 |
* should be disabled in production systems. If NDEBUG is defined, enable |
|
617 |
* HB_NDEBUG; but if it's desirable that normal assert()s (which are very |
|
618 |
* light-weight) to be enabled, then HB_DEBUG can be defined to disable |
|
619 |
* the costlier checks. */ |
|
620 |
#ifdef NDEBUG |
|
621 |
#define HB_NDEBUG |
|
622 |
#endif |
|
623 |
||
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
624 |
#ifndef HB_DEBUG |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
625 |
#define HB_DEBUG 0 |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
626 |
#endif |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
627 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
628 |
static inline bool |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
629 |
_hb_debug (unsigned int level, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
630 |
unsigned int max_level) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
631 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
632 |
return level < max_level; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
633 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
634 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
635 |
#define DEBUG_LEVEL_ENABLED(WHAT, LEVEL) (_hb_debug ((LEVEL), HB_DEBUG_##WHAT)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
636 |
#define DEBUG_ENABLED(WHAT) (DEBUG_LEVEL_ENABLED (WHAT, 0)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
637 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
638 |
static inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
639 |
_hb_print_func (const char *func) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
640 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
641 |
if (func) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
642 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
643 |
unsigned int func_len = strlen (func); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
644 |
/* Skip "static" */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
645 |
if (0 == strncmp (func, "static ", 7)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
646 |
func += 7; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
647 |
/* Skip "typename" */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
648 |
if (0 == strncmp (func, "typename ", 9)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
649 |
func += 9; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
650 |
/* Skip return type */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
651 |
const char *space = strchr (func, ' '); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
652 |
if (space) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
653 |
func = space + 1; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
654 |
/* Skip parameter list */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
655 |
const char *paren = strchr (func, '('); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
656 |
if (paren) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
657 |
func_len = paren - func; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
658 |
fprintf (stderr, "%.*s", func_len, func); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
659 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
660 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
661 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
662 |
template <int max_level> static inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
663 |
_hb_debug_msg_va (const char *what, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
664 |
const void *obj, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
665 |
const char *func, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
666 |
bool indented, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
667 |
unsigned int level, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
668 |
int level_dir, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
669 |
const char *message, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
670 |
va_list ap) HB_PRINTF_FUNC(7, 0); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
671 |
template <int max_level> static inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
672 |
_hb_debug_msg_va (const char *what, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
673 |
const void *obj, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
674 |
const char *func, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
675 |
bool indented, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
676 |
unsigned int level, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
677 |
int level_dir, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
678 |
const char *message, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
679 |
va_list ap) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
680 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
681 |
if (!_hb_debug (level, max_level)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
682 |
return; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
683 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
684 |
fprintf (stderr, "%-10s", what ? what : ""); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
685 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
686 |
if (obj) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
687 |
fprintf (stderr, "(%0*lx) ", (unsigned int) (2 * sizeof (void *)), (unsigned long) obj); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
688 |
else |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
689 |
fprintf (stderr, " %*s ", (unsigned int) (2 * sizeof (void *)), ""); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
690 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
691 |
if (indented) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
692 |
#define VBAR "\342\224\202" /* U+2502 BOX DRAWINGS LIGHT VERTICAL */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
693 |
#define VRBAR "\342\224\234" /* U+251C BOX DRAWINGS LIGHT VERTICAL AND RIGHT */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
694 |
#define DLBAR "\342\225\256" /* U+256E BOX DRAWINGS LIGHT ARC DOWN AND LEFT */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
695 |
#define ULBAR "\342\225\257" /* U+256F BOX DRAWINGS LIGHT ARC UP AND LEFT */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
696 |
#define LBAR "\342\225\264" /* U+2574 BOX DRAWINGS LIGHT LEFT */ |
43232 | 697 |
static const char bars[] = |
698 |
VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR |
|
699 |
VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR |
|
700 |
VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR |
|
701 |
VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR |
|
702 |
VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR VBAR; |
|
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
703 |
fprintf (stderr, "%2u %s" VRBAR "%s", |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
704 |
level, |
43232 | 705 |
bars + sizeof (bars) - 1 - MIN ((unsigned int) sizeof (bars) - 1, (unsigned int) (sizeof (VBAR) - 1) * level), |
34414
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
706 |
level_dir ? (level_dir > 0 ? DLBAR : ULBAR) : LBAR); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
707 |
} else |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
708 |
fprintf (stderr, " " VRBAR LBAR); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
709 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
710 |
_hb_print_func (func); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
711 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
712 |
if (message) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
713 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
714 |
fprintf (stderr, ": "); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
715 |
vfprintf (stderr, message, ap); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
716 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
717 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
718 |
fprintf (stderr, "\n"); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
719 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
720 |
template <> inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
721 |
_hb_debug_msg_va<0> (const char *what HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
722 |
const void *obj HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
723 |
const char *func HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
724 |
bool indented HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
725 |
unsigned int level HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
726 |
int level_dir HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
727 |
const char *message HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
728 |
va_list ap HB_UNUSED) {} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
729 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
730 |
template <int max_level> static inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
731 |
_hb_debug_msg (const char *what, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
732 |
const void *obj, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
733 |
const char *func, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
734 |
bool indented, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
735 |
unsigned int level, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
736 |
int level_dir, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
737 |
const char *message, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
738 |
...) HB_PRINTF_FUNC(7, 8); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
739 |
template <int max_level> static inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
740 |
_hb_debug_msg (const char *what, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
741 |
const void *obj, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
742 |
const char *func, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
743 |
bool indented, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
744 |
unsigned int level, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
745 |
int level_dir, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
746 |
const char *message, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
747 |
...) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
748 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
749 |
va_list ap; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
750 |
va_start (ap, message); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
751 |
_hb_debug_msg_va<max_level> (what, obj, func, indented, level, level_dir, message, ap); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
752 |
va_end (ap); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
753 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
754 |
template <> inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
755 |
_hb_debug_msg<0> (const char *what HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
756 |
const void *obj HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
757 |
const char *func HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
758 |
bool indented HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
759 |
unsigned int level HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
760 |
int level_dir HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
761 |
const char *message HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
762 |
...) HB_PRINTF_FUNC(7, 8); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
763 |
template <> inline void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
764 |
_hb_debug_msg<0> (const char *what HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
765 |
const void *obj HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
766 |
const char *func HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
767 |
bool indented HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
768 |
unsigned int level HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
769 |
int level_dir HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
770 |
const char *message HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
771 |
...) {} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
772 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
773 |
#define DEBUG_MSG_LEVEL(WHAT, OBJ, LEVEL, LEVEL_DIR, ...) _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), NULL, true, (LEVEL), (LEVEL_DIR), __VA_ARGS__) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
774 |
#define DEBUG_MSG(WHAT, OBJ, ...) _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), NULL, false, 0, 0, __VA_ARGS__) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
775 |
#define DEBUG_MSG_FUNC(WHAT, OBJ, ...) _hb_debug_msg<HB_DEBUG_##WHAT> (#WHAT, (OBJ), HB_FUNC, false, 0, 0, __VA_ARGS__) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
776 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
777 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
778 |
/* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
779 |
* Printer |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
780 |
*/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
781 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
782 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
783 |
struct hb_printer_t { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
784 |
const char *print (const T&) { return "something"; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
785 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
786 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
787 |
template <> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
788 |
struct hb_printer_t<bool> { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
789 |
const char *print (bool v) { return v ? "true" : "false"; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
790 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
791 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
792 |
template <> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
793 |
struct hb_printer_t<hb_void_t> { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
794 |
const char *print (hb_void_t) { return ""; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
795 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
796 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
797 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
798 |
/* |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
799 |
* Trace |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
800 |
*/ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
801 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
802 |
template <typename T> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
803 |
static inline void _hb_warn_no_return (bool returned) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
804 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
805 |
if (unlikely (!returned)) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
806 |
fprintf (stderr, "OUCH, returned with no call to return_trace(). This is a bug, please report.\n"); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
807 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
808 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
809 |
template <> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
810 |
/*static*/ inline void _hb_warn_no_return<hb_void_t> (bool returned HB_UNUSED) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
811 |
{} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
812 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
813 |
template <int max_level, typename ret_t> |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
814 |
struct hb_auto_trace_t { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
815 |
explicit inline hb_auto_trace_t (unsigned int *plevel_, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
816 |
const char *what_, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
817 |
const void *obj_, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
818 |
const char *func, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
819 |
const char *message, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
820 |
...) : plevel (plevel_), what (what_), obj (obj_), returned (false) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
821 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
822 |
if (plevel) ++*plevel; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
823 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
824 |
va_list ap; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
825 |
va_start (ap, message); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
826 |
_hb_debug_msg_va<max_level> (what, obj, func, true, plevel ? *plevel : 0, +1, message, ap); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
827 |
va_end (ap); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
828 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
829 |
inline ~hb_auto_trace_t (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
830 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
831 |
_hb_warn_no_return<ret_t> (returned); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
832 |
if (!returned) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
833 |
_hb_debug_msg<max_level> (what, obj, NULL, true, plevel ? *plevel : 1, -1, " "); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
834 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
835 |
if (plevel) --*plevel; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
836 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
837 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
838 |
inline ret_t ret (ret_t v, unsigned int line = 0) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
839 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
840 |
if (unlikely (returned)) { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
841 |
fprintf (stderr, "OUCH, double calls to return_trace(). This is a bug, please report.\n"); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
842 |
return v; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
843 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
844 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
845 |
_hb_debug_msg<max_level> (what, obj, NULL, true, plevel ? *plevel : 1, -1, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
846 |
"return %s (line %d)", |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
847 |
hb_printer_t<ret_t>().print (v), line); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
848 |
if (plevel) --*plevel; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
849 |
plevel = NULL; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
850 |
returned = true; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
851 |
return v; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
852 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
853 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
854 |
private: |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
855 |
unsigned int *plevel; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
856 |
const char *what; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
857 |
const void *obj; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
858 |
bool returned; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
859 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
860 |
template <typename ret_t> /* Optimize when tracing is disabled */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
861 |
struct hb_auto_trace_t<0, ret_t> { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
862 |
explicit inline hb_auto_trace_t (unsigned int *plevel_ HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
863 |
const char *what HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
864 |
const void *obj HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
865 |
const char *func HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
866 |
const char *message HB_UNUSED, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
867 |
...) {} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
868 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
869 |
inline ret_t ret (ret_t v, unsigned int line HB_UNUSED = 0) { return v; } |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
870 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
871 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
872 |
#define return_trace(RET) return trace.ret (RET, __LINE__) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
873 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
874 |
/* Misc */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
875 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
876 |
template <typename T> class hb_assert_unsigned_t; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
877 |
template <> class hb_assert_unsigned_t<unsigned char> {}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
878 |
template <> class hb_assert_unsigned_t<unsigned short> {}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
879 |
template <> class hb_assert_unsigned_t<unsigned int> {}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
880 |
template <> class hb_assert_unsigned_t<unsigned long> {}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
881 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
882 |
template <typename T> static inline bool |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
883 |
hb_in_range (T u, T lo, T hi) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
884 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
885 |
/* The sizeof() is here to force template instantiation. |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
886 |
* I'm sure there are better ways to do this but can't think of |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
887 |
* one right now. Declaring a variable won't work as HB_UNUSED |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
888 |
* is unusable on some platforms and unused types are less likely |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
889 |
* to generate a warning than unused variables. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
890 |
ASSERT_STATIC (sizeof (hb_assert_unsigned_t<T>) >= 0); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
891 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
892 |
/* The casts below are important as if T is smaller than int, |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
893 |
* the subtract results will become a signed int! */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
894 |
return (T)(u - lo) <= (T)(hi - lo); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
895 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
896 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
897 |
template <typename T> static inline bool |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
898 |
hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
899 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
900 |
return hb_in_range (u, lo1, hi1) || hb_in_range (u, lo2, hi2); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
901 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
902 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
903 |
template <typename T> static inline bool |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
904 |
hb_in_ranges (T u, T lo1, T hi1, T lo2, T hi2, T lo3, T hi3) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
905 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
906 |
return hb_in_range (u, lo1, hi1) || hb_in_range (u, lo2, hi2) || hb_in_range (u, lo3, hi3); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
907 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
908 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
909 |
|
40435 | 910 |
/* Enable bitwise ops on enums marked as flags_t */ |
911 |
/* To my surprise, looks like the function resolver is happy to silently cast |
|
912 |
* one enum to another... So this doesn't provide the type-checking that I |
|
913 |
* originally had in mind... :(. |
|
914 |
* |
|
915 |
* For MSVC warnings, see: https://github.com/behdad/harfbuzz/pull/163 |
|
916 |
*/ |
|
917 |
#ifdef _MSC_VER |
|
918 |
# pragma warning(disable:4200) |
|
919 |
# pragma warning(disable:4800) |
|
920 |
#endif |
|
921 |
#define HB_MARK_AS_FLAG_T(T) \ |
|
922 |
extern "C++" { \ |
|
923 |
static inline T operator | (T l, T r) { return T ((unsigned) l | (unsigned) r); } \ |
|
924 |
static inline T operator & (T l, T r) { return T ((unsigned) l & (unsigned) r); } \ |
|
925 |
static inline T operator ^ (T l, T r) { return T ((unsigned) l ^ (unsigned) r); } \ |
|
926 |
static inline T operator ~ (T r) { return T (~(unsigned int) r); } \ |
|
927 |
static inline T& operator |= (T &l, T r) { l = l | r; return l; } \ |
|
928 |
static inline T& operator &= (T& l, T r) { l = l & r; return l; } \ |
|
929 |
static inline T& operator ^= (T& l, T r) { l = l ^ r; return l; } \ |
|
930 |
} |
|
931 |
||
932 |
||
34414
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|
933 |
/* Useful for set-operations on small enums. |
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parents:
diff
changeset
|
934 |
* For example, for testing "x ∈ {x1, x2, x3}" use: |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
935 |
* (FLAG_SAFE(x) & (FLAG(x1) | FLAG(x2) | FLAG(x3))) |
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parents:
diff
changeset
|
936 |
*/ |
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parents:
diff
changeset
|
937 |
#define FLAG(x) (ASSERT_STATIC_EXPR_ZERO ((x) < 32) + (1U << (x))) |
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parents:
diff
changeset
|
938 |
#define FLAG_SAFE(x) (1U << (x)) |
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parents:
diff
changeset
|
939 |
#define FLAG_UNSAFE(x) ((x) < 32 ? FLAG_SAFE(x) : 0) |
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parents:
diff
changeset
|
940 |
#define FLAG_RANGE(x,y) (ASSERT_STATIC_EXPR_ZERO ((x) < (y)) + FLAG(y+1) - FLAG(x)) |
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parents:
diff
changeset
|
941 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
942 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
943 |
template <typename T, typename T2> static inline void |
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prr
parents:
diff
changeset
|
944 |
hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *), T2 *array2) |
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parents:
diff
changeset
|
945 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
946 |
for (unsigned int i = 1; i < len; i++) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
947 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
948 |
unsigned int j = i; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
949 |
while (j && compar (&array[j - 1], &array[i]) > 0) |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
950 |
j--; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
951 |
if (i == j) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
952 |
continue; |
e496a8d8fc8a
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parents:
diff
changeset
|
953 |
/* Move item i to occupy place for item j, shift what's in between. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
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parents:
diff
changeset
|
954 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
955 |
T t = array[i]; |
e496a8d8fc8a
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parents:
diff
changeset
|
956 |
memmove (&array[j + 1], &array[j], (i - j) * sizeof (T)); |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
957 |
array[j] = t; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
958 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
959 |
if (array2) |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
960 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
961 |
T2 t = array2[i]; |
e496a8d8fc8a
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parents:
diff
changeset
|
962 |
memmove (&array2[j + 1], &array2[j], (i - j) * sizeof (T2)); |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
963 |
array2[j] = t; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
964 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
965 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
966 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
967 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
968 |
template <typename T> static inline void |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
969 |
hb_stable_sort (T *array, unsigned int len, int(*compar)(const T *, const T *)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
970 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
971 |
hb_stable_sort (array, len, compar, (int *) NULL); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
972 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
973 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
974 |
static inline hb_bool_t |
e496a8d8fc8a
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parents:
diff
changeset
|
975 |
hb_codepoint_parse (const char *s, unsigned int len, int base, hb_codepoint_t *out) |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
976 |
{ |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
977 |
/* Pain because we don't know whether s is nul-terminated. */ |
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prr
parents:
diff
changeset
|
978 |
char buf[64]; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
979 |
len = MIN (ARRAY_LENGTH (buf) - 1, len); |
e496a8d8fc8a
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parents:
diff
changeset
|
980 |
strncpy (buf, s, len); |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
981 |
buf[len] = '\0'; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
982 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
983 |
char *end; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
984 |
errno = 0; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
985 |
unsigned long v = strtoul (buf, &end, base); |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
986 |
if (errno) return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
987 |
if (*end) return false; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
988 |
*out = v; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
989 |
return true; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
990 |
} |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
991 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
992 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
993 |
/* Global runtime options. */ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
994 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
995 |
struct hb_options_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
996 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
997 |
unsigned int initialized : 1; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
998 |
unsigned int uniscribe_bug_compatible : 1; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
999 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1000 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1001 |
union hb_options_union_t { |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1002 |
unsigned int i; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1003 |
hb_options_t opts; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1004 |
}; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1005 |
ASSERT_STATIC (sizeof (int) == sizeof (hb_options_union_t)); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1006 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1007 |
HB_INTERNAL void |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1008 |
_hb_options_init (void); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1009 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1010 |
extern HB_INTERNAL hb_options_union_t _hb_options; |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1011 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1012 |
static inline hb_options_t |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1013 |
hb_options (void) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1014 |
{ |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1015 |
if (unlikely (!_hb_options.i)) |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1016 |
_hb_options_init (); |
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1017 |
|
e496a8d8fc8a
8143177: Integrate harfbuzz opentype layout engine per JEP 258
prr
parents:
diff
changeset
|
1018 |
return _hb_options.opts; |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
1019 |
} |
e496a8d8fc8a
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prr
parents:
diff
changeset
|
1020 |
|
40435 | 1021 |
/* Size signifying variable-sized array */ |
1022 |
#define VAR 1 |
|
34414
e496a8d8fc8a
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parents:
diff
changeset
|
1023 |
|
e496a8d8fc8a
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prr
parents:
diff
changeset
|
1024 |
#endif /* HB_PRIVATE_HH */ |