1 /* 2 * Copyright (c) 1998-2002 Kungliga Tekniska H�gskolan 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 #include "compile_et.h" 36 #include <getarg.h> 37 38 RCSID("$Id: compile_et.c,v 1.16 2002/08/20 12:44:51 joda Exp $"); 39 40 #include <roken.h> 41 #include <err.h> 42 #include "parse.h" 43 44 int numerror; 45 extern FILE *yyin; 46 47 extern void yyparse(void); 48 49 long base; 50 int number; 51 char *prefix; 52 char *id_str; 53 54 char name[128]; 55 char Basename[128]; 56 57 #ifdef YYDEBUG 58 extern int yydebug = 1; 59 #endif 60 61 char *filename; 62 char hfn[128]; 63 char cfn[128]; 64 65 struct error_code *codes = NULL; 66 67 static int 68 generate_c(void) 69 { 70 int n; 71 struct error_code *ec; 72 73 FILE *c_file = fopen(cfn, "w"); 74 if(c_file == NULL) 75 return 1; 76 77 fprintf(c_file, "/* Generated from %s */\n", filename); 78 if(id_str) 79 fprintf(c_file, "/* %s */\n", id_str); 80 fprintf(c_file, "\n"); 81 fprintf(c_file, "#include <stddef.h>\n"); 82 fprintf(c_file, "#include <com_err.h>\n"); 83 fprintf(c_file, "#include \"%s\"\n", hfn); 84 fprintf(c_file, "\n"); 85 86 fprintf(c_file, "static const char *%s_error_strings[] = {\n", name); 87 88 for(ec = codes, n = 0; ec; ec = ec->next, n++) { 89 while(n < ec->number) { 90 fprintf(c_file, "\t/* %03d */ \"Reserved %s error (%d)\",\n", 91 n, name, n); 92 n++; 93 94 } 95 fprintf(c_file, "\t/* %03d */ \"%s\",\n", ec->number, ec->string); 96 } 97 98 fprintf(c_file, "\tNULL\n"); 99 fprintf(c_file, "};\n"); 100 fprintf(c_file, "\n"); 101 fprintf(c_file, "#define num_errors %d\n", number); 102 fprintf(c_file, "\n"); 103 fprintf(c_file, 104 "void initialize_%s_error_table_r(struct et_list **list)\n", 105 name); 106 fprintf(c_file, "{\n"); 107 fprintf(c_file, 108 " initialize_error_table_r(list, %s_error_strings, " 109 "num_errors, ERROR_TABLE_BASE_%s);\n", name, name); 110 fprintf(c_file, "}\n"); 111 fprintf(c_file, "\n"); 112 fprintf(c_file, "void initialize_%s_error_table(void)\n", name); 113 fprintf(c_file, "{\n"); 114 fprintf(c_file, 115 " init_error_table(%s_error_strings, ERROR_TABLE_BASE_%s, " 116 "num_errors);\n", name, name); 117 fprintf(c_file, "}\n"); 118 119 fclose(c_file); 120 return 0; 121 } 122 123 static int 124 generate_h(void) 125 { 126 struct error_code *ec; 127 char fn[128]; 128 FILE *h_file = fopen(hfn, "w"); 129 char *p; 130 131 if(h_file == NULL) 132 return 1; 133 134 snprintf(fn, sizeof(fn), "__%s__", hfn); 135 for(p = fn; *p; p++) 136 if(!isalnum((unsigned char)*p)) 137 *p = '_'; 138 139 fprintf(h_file, "/* Generated from %s */\n", filename); 140 if(id_str) 141 fprintf(h_file, "/* %s */\n", id_str); 142 fprintf(h_file, "\n"); 143 fprintf(h_file, "#ifndef %s\n", fn); 144 fprintf(h_file, "#define %s\n", fn); 145 fprintf(h_file, "\n"); 146 fprintf(h_file, "struct et_list;\n"); 147 fprintf(h_file, "\n"); 148 fprintf(h_file, 149 "void initialize_%s_error_table_r(struct et_list **);\n", 150 name); 151 fprintf(h_file, "\n"); 152 fprintf(h_file, "void initialize_%s_error_table(void);\n", name); 153 fprintf(h_file, "#define init_%s_err_tbl initialize_%s_error_table\n", 154 name, name); 155 fprintf(h_file, "\n"); 156 fprintf(h_file, "typedef enum %s_error_number{\n", name); 157 158 for(ec = codes; ec; ec = ec->next) { 159 fprintf(h_file, "\t%s = %ld%s\n", ec->name, base + ec->number, 160 (ec->next != NULL) ? "," : ""); 161 } 162 163 fprintf(h_file, "} %s_error_number;\n", name); 164 fprintf(h_file, "\n"); 165 fprintf(h_file, "#define ERROR_TABLE_BASE_%s %ld\n", name, base); 166 fprintf(h_file, "\n"); 167 fprintf(h_file, "#endif /* %s */\n", fn); 168 169 170 fclose(h_file); 171 return 0; 172 } 173 174 static int 175 generate(void) 176 { 177 return generate_c() || generate_h(); 178 } 179 180 int version_flag; 181 int help_flag; 182 struct getargs args[] = { 183 { "version", 0, arg_flag, &version_flag }, 184 { "help", 0, arg_flag, &help_flag } 185 }; 186 int num_args = sizeof(args) / sizeof(args[0]); 187 188 static void 189 usage(int code) 190 { 191 arg_printusage(args, num_args, NULL, "error-table"); 192 exit(code); 193 } 194 195 int 196 main(int argc, char **argv) 197 { 198 char *p; 199 int optind = 0; 200 201 setprogname(argv[0]); 202 if(getarg(args, num_args, argc, argv, &optind)) 203 usage(1); 204 if(help_flag) 205 usage(0); 206 if(version_flag) { 207 print_version(NULL); 208 exit(0); 209 } 210 211 if(optind == argc) 212 usage(1); 213 filename = argv[optind]; 214 yyin = fopen(filename, "r"); 215 if(yyin == NULL) 216 err(1, "%s", filename); 217 218 219 p = strrchr(filename, '/'); 220 if(p) 221 p++; 222 else 223 p = filename; 224 strncpy(Basename, p, sizeof(Basename)); 225 Basename[sizeof(Basename) - 1] = '\0'; 226 227 Basename[strcspn(Basename, ".")] = '\0'; 228 229 snprintf(hfn, sizeof(hfn), "%s.h", Basename); 230 snprintf(cfn, sizeof(cfn), "%s.c", Basename); 231 232 yyparse(); 233 if(numerror) 234 return 1; 235 236 return generate(); 237 } 238