1 /* $NetBSD: compile_et.c,v 1.5 2023/06/19 21:41:42 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1998-2002 Kungliga Tekniska Hgskolan 5 * (Royal Institute of Technology, Stockholm, Sweden). 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * 3. Neither the name of the Institute nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #undef ROKEN_RENAME 37 38 #include "config.h" 39 40 #include "compile_et.h" 41 #include <getarg.h> 42 #include <libgen.h> 43 44 #include <roken.h> 45 #include <err.h> 46 #include "parse.h" 47 48 int numerror; 49 extern FILE *yyin; 50 51 int yyparse(void); 52 53 long base_id; 54 int number; 55 char *prefix; 56 char *id_str; 57 58 char name[128]; 59 char Basename[128]; 60 61 #ifdef YYDEBUG 62 extern int yydebug; 63 int yydebug = 1; 64 #endif 65 66 char *filename; 67 char hfn[128]; 68 char cfn[128]; 69 70 struct error_code *codes = NULL; 71 72 static int 73 generate_c(void) 74 { 75 int n; 76 struct error_code *ec; 77 78 FILE *c_file = fopen(cfn, "w"); 79 if(c_file == NULL) 80 return 1; 81 82 fprintf(c_file, "/* Generated from %s */\n", basename(filename)); 83 if(id_str) 84 fprintf(c_file, "/* %s */\n", id_str); 85 fprintf(c_file, "\n"); 86 fprintf(c_file, "#include <stddef.h>\n"); 87 fprintf(c_file, "#include <krb5/com_err.h>\n"); 88 fprintf(c_file, "#include \"%s\"\n", hfn); 89 fprintf(c_file, "\n"); 90 fprintf(c_file, "#define N_(x) (x)\n"); 91 fprintf(c_file, "\n"); 92 93 fprintf(c_file, "static const char *%s_error_strings[] = {\n", name); 94 95 for(ec = codes, n = 0; ec; ec = ec->next, n++) { 96 while(n < ec->number) { 97 fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n", 98 n, name, n); 99 n++; 100 101 } 102 fprintf(c_file, "\t/* %03d */ N_(\"%s\"),\n", 103 ec->number, ec->string); 104 } 105 106 fprintf(c_file, "\tNULL\n"); 107 fprintf(c_file, "};\n"); 108 fprintf(c_file, "\n"); 109 fprintf(c_file, "#define num_errors %d\n", number); 110 fprintf(c_file, "\n"); 111 fprintf(c_file, 112 "void initialize_%s_error_table_r(struct et_list **list)\n", 113 name); 114 fprintf(c_file, "{\n"); 115 fprintf(c_file, 116 " initialize_error_table_r(list, %s_error_strings, " 117 "num_errors, ERROR_TABLE_BASE_%s);\n", name, name); 118 fprintf(c_file, "}\n"); 119 fprintf(c_file, "\n"); 120 fprintf(c_file, "void initialize_%s_error_table(void)\n", name); 121 fprintf(c_file, "{\n"); 122 fprintf(c_file, 123 " init_error_table(%s_error_strings, ERROR_TABLE_BASE_%s, " 124 "num_errors);\n", name, name); 125 fprintf(c_file, "}\n"); 126 127 fclose(c_file); 128 return 0; 129 } 130 131 static int 132 generate_h(void) 133 { 134 struct error_code *ec; 135 char fn[128]; 136 FILE *h_file = fopen(hfn, "w"); 137 char *p; 138 139 if(h_file == NULL) 140 return 1; 141 142 snprintf(fn, sizeof(fn), "__%s__", hfn); 143 for(p = fn; *p; p++) 144 if(!isalnum((unsigned char)*p)) 145 *p = '_'; 146 147 fprintf(h_file, "/* Generated from %s */\n", basename(filename)); 148 if(id_str) 149 fprintf(h_file, "/* %s */\n", id_str); 150 fprintf(h_file, "\n"); 151 fprintf(h_file, "#ifndef %s\n", fn); 152 fprintf(h_file, "#define %s\n", fn); 153 fprintf(h_file, "\n"); 154 fprintf(h_file, "struct et_list;\n"); 155 fprintf(h_file, "\n"); 156 fprintf(h_file, 157 "void initialize_%s_error_table_r(struct et_list **);\n", 158 name); 159 fprintf(h_file, "\n"); 160 fprintf(h_file, "void initialize_%s_error_table(void);\n", name); 161 fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n", 162 name, name); 163 fprintf(h_file, "\n"); 164 fprintf(h_file, "typedef enum %s_error_number{\n", name); 165 166 for(ec = codes; ec; ec = ec->next) { 167 fprintf(h_file, "\t%s = %ld%s\n", ec->name, base_id + ec->number, 168 (ec->next != NULL) ? "," : ""); 169 } 170 171 fprintf(h_file, "} %s_error_number;\n", name); 172 fprintf(h_file, "\n"); 173 fprintf(h_file, "#define ERROR_TABLE_BASE_%s %ld\n", name, base_id); 174 fprintf(h_file, "\n"); 175 fprintf(h_file, "#define COM_ERR_BINDDOMAIN_%s \"heim_com_err%ld\"\n", name, base_id); 176 fprintf(h_file, "\n"); 177 fprintf(h_file, "#endif /* %s */\n", fn); 178 179 180 fclose(h_file); 181 return 0; 182 } 183 184 static int 185 generate(void) 186 { 187 return generate_c() || generate_h(); 188 } 189 190 int version_flag; 191 int help_flag; 192 struct getargs args[] = { 193 { "version", 0, arg_flag, &version_flag, NULL, NULL }, 194 { "help", 0, arg_flag, &help_flag, NULL, NULL } 195 }; 196 int num_args = sizeof(args) / sizeof(args[0]); 197 198 static void 199 usage(int code) 200 { 201 arg_printusage(args, num_args, NULL, "error-table"); 202 exit(code); 203 } 204 205 int 206 main(int argc, char **argv) 207 { 208 char *p; 209 int optidx = 0; 210 211 setprogname(argv[0]); 212 if(getarg(args, num_args, argc, argv, &optidx)) 213 usage(1); 214 if(help_flag) 215 usage(0); 216 if(version_flag) { 217 print_version(NULL); 218 exit(0); 219 } 220 221 if(optidx == argc) 222 usage(1); 223 filename = argv[optidx]; 224 yyin = fopen(filename, "r"); 225 if(yyin == NULL) 226 err(1, "%s", filename); 227 228 229 p = strrchr(filename, rk_PATH_DELIM); 230 if(p) 231 p++; 232 else 233 p = filename; 234 strlcpy(Basename, p, sizeof(Basename)); 235 236 Basename[strcspn(Basename, ".")] = '\0'; 237 238 snprintf(hfn, sizeof(hfn), "%s.h", Basename); 239 snprintf(cfn, sizeof(cfn), "%s.c", Basename); 240 241 yyparse(); 242 if(numerror) 243 return 1; 244 245 return generate(); 246 } 247
Indexes created Sat Feb 28 05:31:39 UTC 2026