1a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod/* 22409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Copyright © 1998-2004 David Turner and Werner Lemberg 32409d5f8d7dd8b535ce5ea29e933f7db27d33793Behdad Esfahbod * Copyright © 2004,2007,2009,2010 Red Hat, Inc. 405207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod * Copyright © 2011,2012 Google, Inc. 56b347138b597c41af24453f630336ba2fc033dc5Behdad Esfahbod * 68f0d7e0c3fd4b05c43ac449be4f374dc2dc56127Behdad Esfahbod * This is part of HarfBuzz, a text shaping library. 76b347138b597c41af24453f630336ba2fc033dc5Behdad Esfahbod * 8a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * Permission is hereby granted, without written agreement and without 9a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * license or royalty fees, to use, copy, modify, and distribute this 10a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * software and its documentation for any purpose, provided that the 11a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * above copyright notice and the following two paragraphs appear in 12a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * all copies of this software. 136b347138b597c41af24453f630336ba2fc033dc5Behdad Esfahbod * 14a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR 15a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES 16a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN 17a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH 18a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * DAMAGE. 19a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * 20a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, 21a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 22a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS 23a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO 24a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. 25a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * 26a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod * Red Hat Author(s): Owen Taylor, Behdad Esfahbod 27468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod * Google Author(s): Behdad Esfahbod 286b347138b597c41af24453f630336ba2fc033dc5Behdad Esfahbod */ 29a2a9a023f6472ba262f89e5327318996b8258d25Behdad Esfahbod 30da8edbb62204dc39f93d500ef85929e234e0bd19Behdad Esfahbod#ifndef HB_BUFFER_PRIVATE_HH 31da8edbb62204dc39f93d500ef85929e234e0bd19Behdad Esfahbod#define HB_BUFFER_PRIVATE_HH 326b347138b597c41af24453f630336ba2fc033dc5Behdad Esfahbod 33c57d454accff66e5f2c58006e8fb40bc020b6182Behdad Esfahbod#include "hb-private.hh" 345c0adce1ccc739415c4b26ff13ffd2d77ea4bc6cBehdad Esfahbod#include "hb-buffer.h" 35fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod#include "hb-object-private.hh" 36fb194b8794898f51eb596fa4092c26606889d376Behdad Esfahbod#include "hb-unicode-private.hh" 376b347138b597c41af24453f630336ba2fc033dc5Behdad Esfahbod 386b347138b597c41af24453f630336ba2fc033dc5Behdad Esfahbod 3988474c6fdaf35c56368694a5b164f4988a004d49Behdad EsfahbodASSERT_STATIC (sizeof (hb_glyph_info_t) == 20); 40f1322e52d557726baa010be8d35a594748e8fa1aBehdad EsfahbodASSERT_STATIC (sizeof (hb_glyph_info_t) == sizeof (hb_glyph_position_t)); 41f1322e52d557726baa010be8d35a594748e8fa1aBehdad Esfahbod 422f87cebe1062c7007021ebd05c1664e60da80825Behdad Esfahbod 432f87cebe1062c7007021ebd05c1664e60da80825Behdad Esfahbod/* 442f87cebe1062c7007021ebd05c1664e60da80825Behdad Esfahbod * hb_buffer_t 452f87cebe1062c7007021ebd05c1664e60da80825Behdad Esfahbod */ 46f1322e52d557726baa010be8d35a594748e8fa1aBehdad Esfahbod 471bc1cb3603167f5da309336f7018c8b0608ac104Behdad Esfahbodstruct hb_buffer_t { 48fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod hb_object_header_t header; 496220e5fc0dad728e67a92e838d3ac275d032f2c7Behdad Esfahbod ASSERT_POD (); 50d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 51d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod /* Information about how the text in the buffer should be treated */ 524e4ef24e46f273ad2bdda2f718223e05b37dd50fBehdad Esfahbod 53a7c5046d6b676a32298b97403a49235f7f255161Behdad Esfahbod hb_unicode_funcs_t *unicode; /* Unicode functions */ 54a7c5046d6b676a32298b97403a49235f7f255161Behdad Esfahbod hb_segment_properties_t props; /* Script, language, direction */ 550c7df2222862122ebbdc8665a21d6771ef5e0252Behdad Esfahbod hb_buffer_flags_t flags; /* BOT / EOT / etc. */ 56d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 57d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod /* Buffer contents */ 58d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 5996fdc04e5c6daafce3d45e7508418e4db94df44cBehdad Esfahbod hb_buffer_content_type_t content_type; 6096fdc04e5c6daafce3d45e7508418e4db94df44cBehdad Esfahbod 61e0db4b868f9fdd8e680890f87dd4e13a1c27b7a1Behdad Esfahbod bool in_error; /* Allocation failed */ 62fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod bool have_output; /* Whether we have an output buffer going on */ 63fca368c4682624346a0aaee690e1ad6ed4c0b337Behdad Esfahbod bool have_positions; /* Whether we have positions */ 64910a33fe8457a8e13f7eb77fc92fa59c31f5e8fdBehdad Esfahbod 65468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod unsigned int idx; /* Cursor into ->info and ->pos arrays */ 66910a33fe8457a8e13f7eb77fc92fa59c31f5e8fdBehdad Esfahbod unsigned int len; /* Length of ->info and ->pos arrays */ 67cc1a8a938b4c13e76b58825a9e1951c4134e634aBehdad Esfahbod unsigned int out_len; /* Length of ->out array if have_output */ 68d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 69c0af193c8e25c4f11d23b8893e9ce1c2d2615bb2Behdad Esfahbod unsigned int allocated; /* Length of allocated arrays */ 7088474c6fdaf35c56368694a5b164f4988a004d49Behdad Esfahbod hb_glyph_info_t *info; 7188474c6fdaf35c56368694a5b164f4988a004d49Behdad Esfahbod hb_glyph_info_t *out_info; 7288474c6fdaf35c56368694a5b164f4988a004d49Behdad Esfahbod hb_glyph_position_t *pos; 73d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 7499c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod inline hb_glyph_info_t &cur (unsigned int i = 0) { return info[idx + i]; } 7599c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod inline hb_glyph_info_t cur (unsigned int i = 0) const { return info[idx + i]; } 7699c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod 7799c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod inline hb_glyph_position_t &cur_pos (unsigned int i = 0) { return pos[idx + i]; } 7899c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod inline hb_glyph_position_t cur_pos (unsigned int i = 0) const { return pos[idx + i]; } 7999c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod 8099c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod inline hb_glyph_info_t &prev (void) { return out_info[out_len - 1]; } 8199c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod inline hb_glyph_info_t prev (void) const { return info[out_len - 1]; } 8299c2695759a6af855d565f4994bbdf220570bb48Behdad Esfahbod 83f4a579bc42fb811ff5c391a0e97b7d8656ef59b1Behdad Esfahbod unsigned int serial; 8405207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod 8505207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod /* These reflect current allocations of the bytes in glyph_info_t's var1 and var2. */ 86f4a579bc42fb811ff5c391a0e97b7d8656ef59b1Behdad Esfahbod uint8_t allocated_var_bytes[8]; 87f4a579bc42fb811ff5c391a0e97b7d8656ef59b1Behdad Esfahbod const char *allocated_var_owner[8]; 88f4a579bc42fb811ff5c391a0e97b7d8656ef59b1Behdad Esfahbod 8905207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod /* Text before / after the main buffer contents. 9005207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod * Always in Unicode, and ordered outward. 9105207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod * Index 0 is for "pre-context", 1 for "post-context". */ 9205207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod static const unsigned int CONTEXT_LENGTH = 5; 9305207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod hb_codepoint_t context[2][CONTEXT_LENGTH]; 9405207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod unsigned int context_len[2]; 9505207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod 96d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 97d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod /* Methods */ 98468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 99468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void reset (void); 10082ecaff736e245e117d70b6ec1497508c6eb08d2Behdad Esfahbod HB_INTERNAL void clear (void); 101468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 102cc1a8a938b4c13e76b58825a9e1951c4134e634aBehdad Esfahbod inline unsigned int backtrack_len (void) const 103468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod { return have_output? out_len : idx; } 104dbf56b1d94910f04823e53e39ace1e5145bddc04Behdad Esfahbod inline unsigned int next_serial (void) { return serial++; } 105468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 106f4a579bc42fb811ff5c391a0e97b7d8656ef59b1Behdad Esfahbod HB_INTERNAL void allocate_var (unsigned int byte_i, unsigned int count, const char *owner); 107f4a579bc42fb811ff5c391a0e97b7d8656ef59b1Behdad Esfahbod HB_INTERNAL void deallocate_var (unsigned int byte_i, unsigned int count, const char *owner); 108965c280de09b49d711cb78d629da321c802084deBehdad Esfahbod HB_INTERNAL void assert_var (unsigned int byte_i, unsigned int count, const char *owner); 109a9ad3d3460ba863a8d8f3766ccbeab288c3c6822Behdad Esfahbod HB_INTERNAL void deallocate_var_all (void); 110f4a579bc42fb811ff5c391a0e97b7d8656ef59b1Behdad Esfahbod 111468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void add (hb_codepoint_t codepoint, 112468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod unsigned int cluster); 113847794e929831750e97525137ab5e285ccd1064eBehdad Esfahbod HB_INTERNAL void add_info (const hb_glyph_info_t &glyph_info); 114468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 115468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void reverse_range (unsigned int start, unsigned int end); 116468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void reverse (void); 117468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void reverse_clusters (void); 1183f82f8ff07a9d16a7c047129658c1bbedfdb5436Behdad Esfahbod HB_INTERNAL void guess_segment_properties (void); 119468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 120468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void swap_buffers (void); 1210bc7a38463bfb37f12efeb1b8cb2024cf4a347bcBehdad Esfahbod HB_INTERNAL void remove_output (void); 122468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void clear_output (void); 123468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void clear_positions (void); 12469cc492dc120847ed00cae65ec958593ebf550c5Behdad Esfahbod 1259ebe8c0286856d46430ae184ba7303bd34485883Behdad Esfahbod HB_INTERNAL void replace_glyphs (unsigned int num_in, 1269ebe8c0286856d46430ae184ba7303bd34485883Behdad Esfahbod unsigned int num_out, 1278e3715f8a16b315c1c7dd4b256e7f68a36c53e7cBehdad Esfahbod const hb_codepoint_t *glyph_data); 12869cc492dc120847ed00cae65ec958593ebf550c5Behdad Esfahbod 129468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void replace_glyph (hb_codepoint_t glyph_index); 130468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod /* Makes a copy of the glyph at idx to output and replace glyph_index */ 131468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void output_glyph (hb_codepoint_t glyph_index); 132847794e929831750e97525137ab5e285ccd1064eBehdad Esfahbod HB_INTERNAL void output_info (const hb_glyph_info_t &glyph_info); 133468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod /* Copies glyph at idx to output but doesn't advance idx */ 134468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void copy_glyph (void); 135468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod /* Copies glyph at idx to output and advance idx. 136468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod * If there's no output, just advance idx. */ 1371be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod inline void 1381be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod next_glyph (void) 1391be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod { 1401be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod if (have_output) 1411be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod { 1421be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod if (unlikely (out_info != info || out_len != idx)) { 1431be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod if (unlikely (!make_room_for (1, 1))) return; 1441be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod out_info[out_len] = info[idx]; 1451be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod } 1461be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod out_len++; 1471be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod } 1481be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod 1491be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod idx++; 1501be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod } 1511be368e96fb7de8c77bf992874e0d5bd6b272ebeBehdad Esfahbod 152468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod /* Advance idx without copying to output. */ 153468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod inline void skip_glyph (void) { idx++; } 1541ce7b87c4d8d1ab3ec1d5198351d71b7199f7c64Behdad Esfahbod 155bd7378b2ef9793de4e7f57b920f29f48ac9d0c25Behdad Esfahbod inline void reset_masks (hb_mask_t mask) 156bd7378b2ef9793de4e7f57b920f29f48ac9d0c25Behdad Esfahbod { 15731f18abecb149f8888a72510f2660328dd6de16dBehdad Esfahbod for (unsigned int j = 0; j < len; j++) 15831f18abecb149f8888a72510f2660328dd6de16dBehdad Esfahbod info[j].mask = mask; 159bd7378b2ef9793de4e7f57b920f29f48ac9d0c25Behdad Esfahbod } 160bd7378b2ef9793de4e7f57b920f29f48ac9d0c25Behdad Esfahbod inline void add_masks (hb_mask_t mask) 161bd7378b2ef9793de4e7f57b920f29f48ac9d0c25Behdad Esfahbod { 16231f18abecb149f8888a72510f2660328dd6de16dBehdad Esfahbod for (unsigned int j = 0; j < len; j++) 16331f18abecb149f8888a72510f2660328dd6de16dBehdad Esfahbod info[j].mask |= mask; 164bd7378b2ef9793de4e7f57b920f29f48ac9d0c25Behdad Esfahbod } 165468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL void set_masks (hb_mask_t value, 166468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod hb_mask_t mask, 167468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod unsigned int cluster_start, 168468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod unsigned int cluster_end); 169468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 170d4cc44716c1e098f8abbc0e495404598026ef242Behdad Esfahbod HB_INTERNAL void merge_clusters (unsigned int start, 171d4cc44716c1e098f8abbc0e495404598026ef242Behdad Esfahbod unsigned int end); 172d4cc44716c1e098f8abbc0e495404598026ef242Behdad Esfahbod HB_INTERNAL void merge_out_clusters (unsigned int start, 173d4cc44716c1e098f8abbc0e495404598026ef242Behdad Esfahbod unsigned int end); 174d4cc44716c1e098f8abbc0e495404598026ef242Behdad Esfahbod 175468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod /* Internal methods */ 176468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL bool enlarge (unsigned int size); 177468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 178468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod inline bool ensure (unsigned int size) 179d16ccc4ae7aa8be460881042413fa2637929fedeBehdad Esfahbod { return likely (size < allocated) ? true : enlarge (size); } 180468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod 181468e9cb25c9bc14781b7013e447d763f93bf76a3Behdad Esfahbod HB_INTERNAL bool make_room_for (unsigned int num_in, unsigned int num_out); 182e62df43649e31b7815c272f01808b3f726c7d07dBehdad Esfahbod 183e62df43649e31b7815c272f01808b3f726c7d07dBehdad Esfahbod HB_INTERNAL void *get_scratch_buffer (unsigned int *size); 18405207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod 18505207a79e0ae1769c5feaebe3fd99bdf9cfcf834Behdad Esfahbod inline void clear_context (unsigned int side) { context_len[side] = 0; } 186d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod}; 187d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 188d0316a81f59a4e814b0af78797d915d7ce04d119Behdad Esfahbod 189b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod#define HB_BUFFER_XALLOCATE_VAR(b, func, var, owner) \ 190b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \ 191b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod sizeof (b->info[0].var), owner) 192b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod#define HB_BUFFER_ALLOCATE_VAR(b, var) \ 193b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var (), #var) 194b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod#define HB_BUFFER_DEALLOCATE_VAR(b, var) \ 195b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var (), #var) 196965c280de09b49d711cb78d629da321c802084deBehdad Esfahbod#define HB_BUFFER_ASSERT_VAR(b, var) \ 197965c280de09b49d711cb78d629da321c802084deBehdad Esfahbod HB_BUFFER_XALLOCATE_VAR (b, assert_var, var (), #var) 198b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod 199b65c06025d2b54a44f716e030d4b10072c65bea8Behdad Esfahbod 200da8edbb62204dc39f93d500ef85929e234e0bd19Behdad Esfahbod#endif /* HB_BUFFER_PRIVATE_HH */ 201