1 #ifdef FLEX_SCANNER 2 /* 3 dnl tables_shared.h - tables serialization header 4 dnl 5 dnl Copyright (c) 1990 The Regents of the University of California. 6 dnl All rights reserved. 7 dnl 8 dnl This code is derived from software contributed to Berkeley by 9 dnl Vern Paxson. 10 dnl 11 dnl The United States Government has rights in this work pursuant 12 dnl to contract no. DE-AC03-76SF00098 between the United States 13 dnl Department of Energy and the University of California. 14 dnl 15 dnl This file is part of flex. 16 dnl 17 dnl Redistribution and use in source and binary forms, with or without 18 dnl modification, are permitted provided that the following conditions 19 dnl are met: 20 dnl 21 dnl 1. Redistributions of source code must retain the above copyright 22 dnl notice, this list of conditions and the following disclaimer. 23 dnl 2. Redistributions in binary form must reproduce the above copyright 24 dnl notice, this list of conditions and the following disclaimer in the 25 dnl documentation and/or other materials provided with the distribution. 26 dnl 27 dnl Neither the name of the University nor the names of its contributors 28 dnl may be used to endorse or promote products derived from this software 29 dnl without specific prior written permission. 30 dnl 31 dnl THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 32 dnl IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 33 dnl WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 34 dnl PURPOSE. 35 36 dnl 38 dnl This file is meant to be included in both the skeleton and the actual 39 dnl flex code (hence the name "_shared"). 40 */ 41 #ifndef yyskel_static 42 #define yyskel_static static 43 #endif 44 #else 45 #ifndef yyskel_static 46 #define yyskel_static 47 #endif 48 #endif 49 50 /* Structures and prototypes for serializing flex tables. The 51 * binary format is documented in the manual. 52 * 53 * Design considerations: 54 * 55 * - The format allows many tables per file. 56 * - The tables can be streamed. 57 * - All data is stored in network byte order. 58 * - We do not hinder future unicode support. 59 * - We can lookup tables by name. 60 */ 61 62 /** Magic number for serialized format. */ 63 #ifndef YYTBL_MAGIC 64 #define YYTBL_MAGIC 0xF13C57B1 65 #endif 66 67 /** Calculate (0-7) = number bytes needed to pad n to next 64-bit boundary. */ 68 #ifndef yypad64 69 #define yypad64(n) ((8-((n)%8))%8) 70 #endif 71 72 73 #ifndef YYTABLES_TYPES 74 #define YYTABLES_TYPES 75 /** Possible values for td_id field. Each one corresponds to a 76 * scanner table of the same name. 77 */ 78 enum yytbl_id { 79 YYTD_ID_ACCEPT = 0x01, /**< 1-dim ints */ 80 YYTD_ID_BASE = 0x02, /**< 1-dim ints */ 81 YYTD_ID_CHK = 0x03, /**< 1-dim ints */ 82 YYTD_ID_DEF = 0x04, /**< 1-dim ints */ 83 YYTD_ID_EC = 0x05, /**< 1-dim ints */ 84 YYTD_ID_META = 0x06, /**< 1-dim ints */ 85 YYTD_ID_NUL_TRANS = 0x07, /**< 1-dim ints, maybe indices */ 86 YYTD_ID_NXT = 0x08, /**< may be 2 dimensional ints */ 87 YYTD_ID_RULE_CAN_MATCH_EOL = 0x09, /**< 1-dim ints */ 88 YYTD_ID_START_STATE_LIST = 0x0A, /**< 1-dim indices into trans tbl */ 89 YYTD_ID_TRANSITION = 0x0B, /**< structs */ 90 YYTD_ID_ACCLIST = 0x0C /**< 1-dim ints */ 91 }; 92 93 /** bit flags for t_flags field of struct yytbl_data */ 94 enum yytbl_flags { 95 /* These first three are mutually exclusive */ 96 YYTD_DATA8 = 0x01, /**< data is an array of type flex_int8_t */ 97 YYTD_DATA16 = 0x02, /**< data is an array of type flex_int16_t */ 98 YYTD_DATA32 = 0x04, /**< data is an array of type flex_int32_t */ 99 100 /* These two are mutually exclusive. */ 101 YYTD_PTRANS = 0x08, /**< data is a list of indexes of entries 102 into the expanded `yy_transition' 103 array. See notes in manual. */ 104 YYTD_STRUCT = 0x10 /**< data consists of yy_trans_info structs */ 105 }; 106 107 /* The serialized tables header. */ 108 struct yytbl_hdr { 109 flex_uint32_t th_magic; /**< Must be 0xF13C57B1 (comes from "Flex Table") */ 110 flex_uint32_t th_hsize; /**< Size of this header in bytes. */ 111 flex_uint32_t th_ssize; /**< Size of this dataset, in bytes, including header. */ 112 flex_uint16_t th_flags; /**< Currently unused, must be 0 */ 113 char *th_version; /**< Flex version string. NUL terminated. */ 114 char *th_name; /**< The name of this table set. NUL terminated. */ 115 }; 116 117 /** A single serialized table */ 118 struct yytbl_data { 119 flex_uint16_t td_id; /**< enum yytbl_id table identifier */ 120 flex_uint16_t td_flags; /**< how to interpret this data */ 121 flex_uint32_t td_hilen; /**< num elements in highest dimension array */ 122 flex_uint32_t td_lolen; /**< num elements in lowest dimension array */ 123 void *td_data; /**< table data */ 124 }; 125 #endif 126 127 /** Extract corresponding data size_t from td_flags */ 128 #ifndef YYTDFLAGS2BYTES 129 #define YYTDFLAGS2BYTES(td_flags)\ 130 (((td_flags) & YYTD_DATA8)\ 131 ? sizeof(flex_int8_t)\ 132 :(((td_flags) & YYTD_DATA16)\ 133 ? sizeof(flex_int16_t)\ 134 :sizeof(flex_int32_t))) 135 #endif 136 137 #ifdef FLEX_SCANNER 138 %not-for-header 139 #endif 140 yyskel_static flex_int32_t yytbl_calc_total_len (const struct yytbl_data *tbl); 141 #ifdef FLEX_SCANNER 142 %ok-for-header 143 #endif 144 145 /* vim:set noexpandtab cindent tabstop=8 softtabstop=0 shiftwidth=8 textwidth=0: */ 146
Indexes created Sun Jul 05 00:25:41 UTC 2026