1 /* $NetBSD: compile_et.c,v 1.1.1.1 2011/04/13 18:14:43 elric 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 43 #include <roken.h> 44 #include <err.h> 45 #include "parse.h" 46 47 int numerror; 48 extern FILE *yyin; 49 50 extern void yyparse(void); 51 52 long base_id; 53 int number; 54 char *prefix; 55 char *id_str; 56 57 char name[128]; 58 char Basename[128]; 59 60 #ifdef YYDEBUG 61 extern int yydebug = 1; 62 #endif 63 64 char *filename; 65 char hfn[128]; 66 char cfn[128]; 67 68 struct error_code *codes = NULL; 69 70 static int 71 generate_c(void) 72 { 73 int n; 74 struct error_code *ec; 75 76 FILE *c_file = fopen(cfn, "w"); 77 if(c_file == NULL) 78 return 1; 79 80 fprintf(c_file, "/* Generated from %s */\n", filename); 81 if(id_str) 82 fprintf(c_file, "/* %s */\n", id_str); 83 fprintf(c_file, "\n"); 84 fprintf(c_file, "#include <stddef.h>\n"); 85 fprintf(c_file, "#include <krb5/com_err.h>\n"); 86 fprintf(c_file, "#include \"%s\"\n", hfn); 87 fprintf(c_file, "\n"); 88 fprintf(c_file, "#define N_(x) (x)\n"); 89 fprintf(c_file, "\n"); 90 91 fprintf(c_file, "static const char *%s_error_strings[] = {\n", name); 92 93 for(ec = codes, n = 0; ec; ec = ec->next, n++) { 94 while(n < ec->number) { 95 fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n", 96 n, name, n); 97 n++; 98 99 } 100 fprintf(c_file, "\t/* %03d */ N_(\"%s\"),\n", 101 ec->number, ec->string); 102 } 103 104 fprintf(c_file, "\tNULL\n"); 105 fprintf(c_file, "};\n"); 106 fprintf(c_file, "\n"); 107 fprintf(c_file, "#define num_errors %d\n", number); 108 fprintf(c_file, "\n"); 109 fprintf(c_file, 110 "void initialize_%s_error_table_r(struct et_list **list)\n", 111 name); 112 fprintf(c_file, "{\n"); 113 fprintf(c_file, 114 " initialize_error_table_r(list, %s_error_strings, " 115 "num_errors, ERROR_TABLE_BASE_%s);\n", name, name); 116 fprintf(c_file, "}\n"); 117 fprintf(c_file, "\n"); 118 fprintf(c_file, "void initialize_%s_error_table(void)\n", name); 119 fprintf(c_file, "{\n"); 120 fprintf(c_file, 121 " init_error_table(%s_error_strings, ERROR_TABLE_BASE_%s, " 122 "num_errors);\n", name, name); 123 fprintf(c_file, "}\n"); 124 125 fclose(c_file); 126 return 0; 127 } 128 129 static int 130 generate_h(void) 131 { 132 struct error_code *ec; 133 char fn[128]; 134 FILE *h_file = fopen(hfn, "w"); 135 char *p; 136 137 if(h_file == NULL) 138 return 1; 139 140 snprintf(fn, sizeof(fn), "__%s__", hfn); 141 for(p = fn; *p; p++) 142 if(!isalnum((unsigned char)*p)) 143 *p = '_'; 144 145 fprintf(h_file, "/* Generated from %s */\n", filename); 146 if(id_str) 147 fprintf(h_file, "/* %s */\n", id_str); 148 fprintf(h_file, "\n"); 149 fprintf(h_file, "#ifndef %s\n", fn); 150 fprintf(h_file, "#define %s\n", fn); 151 fprintf(h_file, "\n"); 152 fprintf(h_file, "struct et_list;\n"); 153 fprintf(h_file, "\n"); 154 fprintf(h_file, 155 "void initialize_%s_error_table_r(struct et_list **);\n", 156 name); 157 fprintf(h_file, "\n"); 158 fprintf(h_file, "void initialize_%s_error_table(void);\n", name); 159 fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n", 160 name, name); 161 fprintf(h_file, "\n"); 162 fprintf(h_file, "typedef enum %s_error_number{\n", name); 163 164 for(ec = codes; ec; ec = ec->next) { 165 fprintf(h_file, "\t%s = %ld%s\n", ec->name, base_id + ec->number, 166 (ec->next != NULL) ? "," : ""); 167 } 168 169 fprintf(h_file, "} %s_error_number;\n", name); 170 fprintf(h_file, "\n"); 171 fprintf(h_file, "#define ERROR_TABLE_BASE_%s %ld\n", name, base_id); 172 fprintf(h_file, "\n"); 173 fprintf(h_file, "#define COM_ERR_BINDDOMAIN_%s \"heim_com_err%ld\"\n", name, base_id); 174 fprintf(h_file, "\n"); 175 fprintf(h_file, "#endif /* %s */\n", fn); 176 177 178 fclose(h_file); 179 return 0; 180 } 181 182 static int 183 generate(void) 184 { 185 return generate_c() || generate_h(); 186 } 187 188 int version_flag; 189 int help_flag; 190 struct getargs args[] = { 191 { "version", 0, arg_flag, &version_flag }, 192 { "help", 0, arg_flag, &help_flag } 193 }; 194 int num_args = sizeof(args) / sizeof(args[0]); 195 196 static void 197 usage(int code) 198 { 199 arg_printusage(args, num_args, NULL, "error-table"); 200 exit(code); 201 } 202 203 int 204 main(int argc, char **argv) 205 { 206 char *p; 207 int optidx = 0; 208 209 setprogname(argv[0]); 210 if(getarg(args, num_args, argc, argv, &optidx)) 211 usage(1); 212 if(help_flag) 213 usage(0); 214 if(version_flag) { 215 print_version(NULL); 216 exit(0); 217 } 218 219 if(optidx == argc) 220 usage(1); 221 filename = argv[optidx]; 222 yyin = fopen(filename, "r"); 223 if(yyin == NULL) 224 err(1, "%s", filename); 225 226 227 p = strrchr(filename, rk_PATH_DELIM); 228 if(p) 229 p++; 230 else 231 p = filename; 232 strlcpy(Basename, p, sizeof(Basename)); 233 234 Basename[strcspn(Basename, ".")] = '\0'; 235 236 snprintf(hfn, sizeof(hfn), "%s.h", Basename); 237 snprintf(cfn, sizeof(cfn), "%s.c", Basename); 238 239 yyparse(); 240 if(numerror) 241 return 1; 242 243 return generate(); 244 } 245