1 /* $NetBSD: compile_et.c,v 1.3 2014/04/24 13:45:34 pettai Exp $ */ 2 3 /* 4 * Copyright (c) 1998-2002 Kungliga Tekniska Högskolan 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 = 1; 63 #endif 64 65 char *filename; 66 char hfn[128]; 67 char cfn[128]; 68 69 struct error_code *codes = NULL; 70 71 static int 72 generate_c(void) 73 { 74 int n; 75 struct error_code *ec; 76 77 FILE *c_file = fopen(cfn, "w"); 78 if(c_file == NULL) 79 return 1; 80 81 fprintf(c_file, "/* Generated from %s */\n", basename(filename)); 82 if(id_str) 83 fprintf(c_file, "/* %s */\n", id_str); 84 fprintf(c_file, "\n"); 85 fprintf(c_file, "#include <stddef.h>\n"); 86 fprintf(c_file, "#include <krb5/com_err.h>\n"); 87 fprintf(c_file, "#include \"%s\"\n", hfn); 88 fprintf(c_file, "\n"); 89 fprintf(c_file, "#define N_(x) (x)\n"); 90 fprintf(c_file, "\n"); 91 92 fprintf(c_file, "static const char *%s_error_strings[] = {\n", name); 93 94 for(ec = codes, n = 0; ec; ec = ec->next, n++) { 95 while(n < ec->number) { 96 fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n", 97 n, name, n); 98 n++; 99 100 } 101 fprintf(c_file, "\t/* %03d */ N_(\"%s\"),\n", 102 ec->number, ec->string); 103 } 104 105 fprintf(c_file, "\tNULL\n"); 106 fprintf(c_file, "};\n"); 107 fprintf(c_file, "\n"); 108 fprintf(c_file, "#define num_errors %d\n", number); 109 fprintf(c_file, "\n"); 110 fprintf(c_file, 111 "void initialize_%s_error_table_r(struct et_list **list)\n", 112 name); 113 fprintf(c_file, "{\n"); 114 fprintf(c_file, 115 " initialize_error_table_r(list, %s_error_strings, " 116 "num_errors, ERROR_TABLE_BASE_%s);\n", name, name); 117 fprintf(c_file, "}\n"); 118 fprintf(c_file, "\n"); 119 fprintf(c_file, "void initialize_%s_error_table(void)\n", name); 120 fprintf(c_file, "{\n"); 121 fprintf(c_file, 122 " init_error_table(%s_error_strings, ERROR_TABLE_BASE_%s, " 123 "num_errors);\n", name, name); 124 fprintf(c_file, "}\n"); 125 126 fclose(c_file); 127 return 0; 128 } 129 130 static int 131 generate_h(void) 132 { 133 struct error_code *ec; 134 char fn[128]; 135 FILE *h_file = fopen(hfn, "w"); 136 char *p; 137 138 if(h_file == NULL) 139 return 1; 140 141 snprintf(fn, sizeof(fn), "__%s__", hfn); 142 for(p = fn; *p; p++) 143 if(!isalnum((unsigned char)*p)) 144 *p = '_'; 145 146 fprintf(h_file, "/* Generated from %s */\n", basename(filename)); 147 if(id_str) 148 fprintf(h_file, "/* %s */\n", id_str); 149 fprintf(h_file, "\n"); 150 fprintf(h_file, "#ifndef %s\n", fn); 151 fprintf(h_file, "#define %s\n", fn); 152 fprintf(h_file, "\n"); 153 fprintf(h_file, "struct et_list;\n"); 154 fprintf(h_file, "\n"); 155 fprintf(h_file, 156 "void initialize_%s_error_table_r(struct et_list **);\n", 157 name); 158 fprintf(h_file, "\n"); 159 fprintf(h_file, "void initialize_%s_error_table(void);\n", name); 160 fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n", 161 name, name); 162 fprintf(h_file, "\n"); 163 fprintf(h_file, "typedef enum %s_error_number{\n", name); 164 165 for(ec = codes; ec; ec = ec->next) { 166 fprintf(h_file, "\t%s = %ld%s\n", ec->name, base_id + ec->number, 167 (ec->next != NULL) ? "," : ""); 168 } 169 170 fprintf(h_file, "} %s_error_number;\n", name); 171 fprintf(h_file, "\n"); 172 fprintf(h_file, "#define ERROR_TABLE_BASE_%s %ld\n", name, base_id); 173 fprintf(h_file, "\n"); 174 fprintf(h_file, "#define COM_ERR_BINDDOMAIN_%s \"heim_com_err%ld\"\n", name, base_id); 175 fprintf(h_file, "\n"); 176 fprintf(h_file, "#endif /* %s */\n", fn); 177 178 179 fclose(h_file); 180 return 0; 181 } 182 183 static int 184 generate(void) 185 { 186 return generate_c() || generate_h(); 187 } 188 189 int version_flag; 190 int help_flag; 191 struct getargs args[] = { 192 { "version", 0, arg_flag, &version_flag }, 193 { "help", 0, arg_flag, &help_flag } 194 }; 195 int num_args = sizeof(args) / sizeof(args[0]); 196 197 static void 198 usage(int code) 199 { 200 arg_printusage(args, num_args, NULL, "error-table"); 201 exit(code); 202 } 203 204 int 205 main(int argc, char **argv) 206 { 207 char *p; 208 int optidx = 0; 209 210 setprogname(argv[0]); 211 if(getarg(args, num_args, argc, argv, &optidx)) 212 usage(1); 213 if(help_flag) 214 usage(0); 215 if(version_flag) { 216 print_version(NULL); 217 exit(0); 218 } 219 220 if(optidx == argc) 221 usage(1); 222 filename = argv[optidx]; 223 yyin = fopen(filename, "r"); 224 if(yyin == NULL) 225 err(1, "%s", filename); 226 227 228 p = strrchr(filename, rk_PATH_DELIM); 229 if(p) 230 p++; 231 else 232 p = filename; 233 strlcpy(Basename, p, sizeof(Basename)); 234 235 Basename[strcspn(Basename, ".")] = '\0'; 236 237 snprintf(hfn, sizeof(hfn), "%s.h", Basename); 238 snprintf(cfn, sizeof(cfn), "%s.c", Basename); 239 240 yyparse(); 241 if(numerror) 242 return 1; 243 244 return generate(); 245 } 246