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