Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | #include "asn1fix_internal.h" |
Lev Walkin | 4efbfb7 | 2005-02-25 14:20:30 +0000 | [diff] [blame] | 2 | #include "asn1fix.h" |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 3 | |
| 4 | /* Print everything to stderr */ |
| 5 | static void _default_error_logger(int _severity, const char *fmt, ...); |
| 6 | |
| 7 | /* |
| 8 | * Internal check functions. |
| 9 | */ |
Lev Walkin | d24c62d | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 10 | static int asn1f_fix_module__phase_1(arg_t *arg); |
| 11 | static int asn1f_fix_module__phase_2(arg_t *arg); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 12 | static int asn1f_fix_simple(arg_t *arg); /* For INTEGER/ENUMERATED */ |
| 13 | static int asn1f_fix_constructed(arg_t *arg); /* For SEQUENCE/SET/CHOICE */ |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 14 | static int asn1f_resolve_constraints(arg_t *arg); /* For subtype constraints */ |
| 15 | static int asn1f_check_constraints(arg_t *arg); /* For subtype constraints */ |
Lev Walkin | f593f10 | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 16 | static int asn1f_check_duplicate(arg_t *arg); |
Lev Walkin | 1dec580 | 2005-03-04 09:02:27 +0000 | [diff] [blame^] | 17 | static int asn1f_apply_unique_index(arg_t *arg); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 18 | |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 19 | arg_t a1f_replace_me_with_proper_interface_arg; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 20 | |
| 21 | /* |
| 22 | * Scan every module defined here in search for inconsistences. |
| 23 | */ |
| 24 | int |
| 25 | asn1f_process(asn1p_t *asn, enum asn1f_flags flags, |
| 26 | error_logger_f error_logger) { |
| 27 | arg_t arg; |
| 28 | int fatals = 0; |
| 29 | int warnings = 0; |
| 30 | |
| 31 | /* |
| 32 | * Check validity of arguments. |
| 33 | */ |
| 34 | if(asn == NULL) { |
| 35 | errno = EINVAL; |
| 36 | return -1; |
| 37 | } |
| 38 | |
| 39 | /* |
| 40 | * If errors handler is not specified, default to internal one. |
| 41 | */ |
| 42 | if(error_logger == 0) { |
| 43 | error_logger = _default_error_logger; |
| 44 | } |
| 45 | |
| 46 | memset(&arg, 0, sizeof(arg)); |
| 47 | arg.asn = asn; |
| 48 | arg.eh = error_logger; |
| 49 | |
| 50 | if(flags & A1F_DEBUG) { |
| 51 | arg.debug = arg.eh; |
| 52 | arg.debug(-1, "Called %s() with flags %d", __func__, flags); |
| 53 | flags &= ~A1F_DEBUG; |
| 54 | } |
| 55 | |
Lev Walkin | 5253da4 | 2004-08-20 13:25:56 +0000 | [diff] [blame] | 56 | /* Allow SIZE() constraint for INTEGER and other types */ |
| 57 | if(flags & A1F_EXTENDED_SizeConstraint) { |
| 58 | arg.flags |= A1F_EXTENDED_SizeConstraint; |
| 59 | flags &= ~A1F_EXTENDED_SizeConstraint; |
| 60 | if(arg.debug) { |
| 61 | arg.debug(-1, |
| 62 | "Extended SizeConstraint support enabled"); |
| 63 | } |
| 64 | } |
| 65 | |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 66 | a1f_replace_me_with_proper_interface_arg = arg; |
| 67 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 68 | /* |
| 69 | * Check that we haven't missed an unknown flag. |
| 70 | */ |
| 71 | if(flags) { |
| 72 | errno = EINVAL; |
| 73 | return -1; |
| 74 | } |
| 75 | |
| 76 | /* |
| 77 | * Process each module in the list. |
Lev Walkin | f593f10 | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 78 | * PHASE I. |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 79 | */ |
| 80 | TQ_FOR(arg.mod, &(asn->modules), mod_next) { |
Lev Walkin | d24c62d | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 81 | int ret = asn1f_fix_module__phase_1(&arg); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 82 | /* |
| 83 | * These lines are used for illustration purposes. |
| 84 | * RET2RVAL() is used everywhere else. |
| 85 | */ |
| 86 | if(ret == -1) fatals++; |
| 87 | if(ret == 1) warnings++; |
| 88 | } |
Lev Walkin | f593f10 | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 89 | /* PHASE II. */ |
Lev Walkin | d24c62d | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 90 | TQ_FOR(arg.mod, &(asn->modules), mod_next) { |
| 91 | int ret = asn1f_fix_module__phase_2(&arg); |
| 92 | if(ret == -1) fatals++; |
| 93 | if(ret == 1) warnings++; |
| 94 | } |
| 95 | |
| 96 | memset(&a1f_replace_me_with_proper_interface_arg, 0, sizeof(arg_t)); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 97 | |
| 98 | /* |
| 99 | * Compute a return value. |
| 100 | */ |
| 101 | return fatals?-1:warnings?1:0; |
| 102 | } |
| 103 | |
| 104 | /* |
| 105 | * Check the internals of a single module. |
| 106 | */ |
| 107 | static int |
Lev Walkin | d24c62d | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 108 | asn1f_fix_module__phase_1(arg_t *arg) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 109 | asn1p_expr_t *expr; |
| 110 | int rvalue = 0; |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 111 | int ret; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 112 | |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 113 | switch((arg->mod->module_flags & MSF_MASK_TAGS)) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 114 | case MSF_NOFLAGS: |
| 115 | case MSF_EXPLICIT_TAGS: |
| 116 | case MSF_IMPLICIT_TAGS: |
| 117 | case MSF_AUTOMATIC_TAGS: |
| 118 | break; |
| 119 | default: |
| 120 | FATAL("Module %s defined with ambiguous global tagging mode", |
| 121 | arg->mod->Identifier); |
| 122 | RET2RVAL(-1, rvalue); |
| 123 | } |
| 124 | |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 125 | switch((arg->mod->module_flags & MSF_MASK_INSTRUCTIONS)) { |
| 126 | case MSF_NOFLAGS: |
Lev Walkin | 4ec3b4c | 2004-08-22 03:09:24 +0000 | [diff] [blame] | 127 | /* |
| 128 | * arg->mod->module_flags |= MSF_TAG_INSTRUCTIONS; |
| 129 | */ |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 130 | break; |
| 131 | case MSF_unk_INSTRUCTIONS: |
| 132 | WARNING("Module %s defined with unrecognized " |
| 133 | "encoding reference", arg->mod->Identifier); |
| 134 | RET2RVAL(1, rvalue); |
| 135 | /* Fall through */ |
| 136 | case MSF_TAG_INSTRUCTIONS: |
| 137 | case MSF_XER_INSTRUCTIONS: |
| 138 | break; |
| 139 | default: |
| 140 | FATAL("Module %s defined with ambiguous encoding reference", |
| 141 | arg->mod->Identifier); |
| 142 | RET2RVAL(-1, rvalue); |
| 143 | } |
| 144 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 145 | /* |
| 146 | * Do various non-recursive transformations. |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 147 | */ |
| 148 | TQ_FOR(expr, &(arg->mod->members), next) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 149 | arg->expr = expr; |
| 150 | |
Lev Walkin | f593f10 | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 151 | /* Check whether this type is a duplicate */ |
| 152 | ret = asn1f_check_duplicate(arg); |
| 153 | RET2RVAL(ret, rvalue); |
| 154 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 155 | if(expr->meta_type == AMT_PARAMTYPE) |
| 156 | /* Do not process the parametrized type just yet */ |
| 157 | continue; |
| 158 | |
| 159 | DEBUG("=== Now processing \"%s\" at line %d ===", |
| 160 | expr->Identifier, expr->_lineno); |
| 161 | assert(expr->meta_type != AMT_INVALID); |
| 162 | |
| 163 | /* |
| 164 | * 2.1 Pre-process simple types (ENUMERATED, INTEGER, etc). |
| 165 | */ |
| 166 | ret = asn1f_recurse_expr(arg, asn1f_fix_simple); |
| 167 | RET2RVAL(ret, rvalue); |
| 168 | |
| 169 | /* |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 170 | * 2.5.4 |
| 171 | */ |
| 172 | ret = asn1f_recurse_expr(arg, asn1f_fix_dereference_types); |
| 173 | RET2RVAL(ret, rvalue); |
| 174 | |
| 175 | /* |
Lev Walkin | d541c25 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 176 | * Fix tagging of top-level types. |
| 177 | */ |
| 178 | ret = asn1f_fix_constr_tag(arg, 1); |
| 179 | RET2RVAL(ret, rvalue); |
| 180 | |
| 181 | /* |
| 182 | * 2.[234] Process SEQUENCE/SET/CHOICE types. |
| 183 | */ |
| 184 | ret = asn1f_recurse_expr(arg, asn1f_fix_constructed); |
| 185 | RET2RVAL(ret, rvalue); |
| 186 | |
| 187 | /* |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 188 | * 2.5.5 |
| 189 | */ |
| 190 | ret = asn1f_recurse_expr(arg, asn1f_fix_dereference_values); |
| 191 | RET2RVAL(ret, rvalue); |
| 192 | |
| 193 | /* |
| 194 | * Resolve references in constraints. |
| 195 | */ |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 196 | ret = asn1f_recurse_expr(arg, asn1f_resolve_constraints); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 197 | RET2RVAL(ret, rvalue); |
| 198 | |
| 199 | /* |
| 200 | * 6. INTEGER value processed at 2.5.4. |
| 201 | */ |
| 202 | |
| 203 | /* |
| 204 | * Make sure everybody's behaving well. |
| 205 | */ |
| 206 | assert(arg->expr == expr); |
| 207 | } |
| 208 | |
| 209 | /* |
| 210 | * 5. Automatic tagging |
| 211 | */ |
| 212 | TQ_FOR(expr, &(arg->mod->members), next) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 213 | |
| 214 | arg->expr = expr; |
| 215 | |
| 216 | ret = asn1f_recurse_expr(arg, asn1f_fix_constr_autotag); |
| 217 | RET2RVAL(ret, rvalue); |
| 218 | |
| 219 | assert(arg->expr == expr); |
| 220 | } |
| 221 | |
| 222 | /* |
| 223 | * 8. fix BIT STRING |
| 224 | * 9. fix spaces in cstrings |
| 225 | */ |
| 226 | TQ_FOR(expr, &(arg->mod->members), next) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 227 | arg->expr = expr; |
| 228 | |
| 229 | ret = asn1f_recurse_expr(arg, asn1f_fix_bit_string); |
| 230 | RET2RVAL(ret, rvalue); |
| 231 | |
| 232 | ret = asn1f_recurse_expr(arg, asn1f_fix_cstring); |
| 233 | RET2RVAL(ret, rvalue); |
| 234 | |
| 235 | assert(arg->expr == expr); |
| 236 | } |
| 237 | |
| 238 | /* |
| 239 | * ... Check for tags distinctness. |
| 240 | */ |
| 241 | TQ_FOR(expr, &(arg->mod->members), next) { |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 242 | arg->expr = expr; |
| 243 | |
| 244 | ret = asn1f_recurse_expr(arg, asn1f_check_constr_tags_distinct); |
| 245 | RET2RVAL(ret, rvalue); |
| 246 | |
| 247 | assert(arg->expr == expr); |
| 248 | } |
| 249 | |
Lev Walkin | d24c62d | 2004-09-15 11:47:23 +0000 | [diff] [blame] | 250 | return rvalue; |
| 251 | } |
| 252 | |
| 253 | static int |
| 254 | asn1f_fix_module__phase_2(arg_t *arg) { |
| 255 | asn1p_expr_t *expr; |
| 256 | int rvalue = 0; |
| 257 | int ret; |
| 258 | |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 259 | TQ_FOR(expr, &(arg->mod->members), next) { |
| 260 | arg->expr = expr; |
| 261 | |
Lev Walkin | f593f10 | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 262 | if(expr->meta_type == AMT_PARAMTYPE) |
Lev Walkin | d541c25 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 263 | /* Do not process the parametrized types here */ |
| 264 | continue; |
| 265 | |
Lev Walkin | b25fa06 | 2004-09-29 13:17:06 +0000 | [diff] [blame] | 266 | /* |
Lev Walkin | 3645c1c | 2004-10-31 00:11:50 +0000 | [diff] [blame] | 267 | * Dereference DEFAULT values. |
| 268 | */ |
| 269 | ret = asn1f_recurse_expr(arg, asn1f_fix_dereference_defaults); |
| 270 | RET2RVAL(ret, rvalue); |
| 271 | |
| 272 | /* |
Lev Walkin | b25fa06 | 2004-09-29 13:17:06 +0000 | [diff] [blame] | 273 | * Check semantic validity of constraints. |
| 274 | */ |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 275 | ret = asn1f_recurse_expr(arg, asn1f_check_constraints); |
| 276 | RET2RVAL(ret, rvalue); |
| 277 | |
Lev Walkin | 1dec580 | 2005-03-04 09:02:27 +0000 | [diff] [blame^] | 278 | /* |
| 279 | * Uniquely tag each inner type. |
| 280 | */ |
| 281 | asn1f_apply_unique_index(0); |
| 282 | ret = asn1f_recurse_expr(arg, asn1f_apply_unique_index); |
| 283 | RET2RVAL(ret, rvalue); |
| 284 | |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 285 | assert(arg->expr == expr); |
| 286 | } |
| 287 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 288 | return rvalue; |
| 289 | } |
| 290 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 291 | static int |
| 292 | asn1f_fix_simple(arg_t *arg) { |
| 293 | int rvalue = 0; |
| 294 | int ret; |
| 295 | |
| 296 | ret = asn1f_fix_enum(arg); |
| 297 | RET2RVAL(ret, rvalue); |
| 298 | |
| 299 | ret = asn1f_fix_integer(arg); |
| 300 | RET2RVAL(ret, rvalue); |
| 301 | |
| 302 | return rvalue; |
| 303 | } |
| 304 | |
| 305 | static int |
| 306 | asn1f_fix_constructed(arg_t *arg) { |
| 307 | int rvalue = 0; |
| 308 | int ret; |
| 309 | |
| 310 | switch(arg->expr->expr_type) { |
| 311 | case ASN_CONSTR_SEQUENCE: |
| 312 | case ASN_CONSTR_SET: |
| 313 | case ASN_CONSTR_CHOICE: |
| 314 | break; |
| 315 | default: |
| 316 | return 0; |
| 317 | } |
| 318 | |
| 319 | /* Check identifier distinctness */ |
| 320 | ret = asn1f_check_unique_expr(arg, NULL); |
| 321 | RET2RVAL(ret, rvalue); |
| 322 | |
| 323 | /* Fix extensibility */ |
| 324 | ret = asn1f_fix_constr_ext(arg); |
| 325 | RET2RVAL(ret, rvalue); |
| 326 | |
| 327 | /* Fix tagging */ |
Lev Walkin | d541c25 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 328 | ret = asn1f_fix_constr_tag(arg, 0); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 329 | RET2RVAL(ret, rvalue); |
| 330 | |
Lev Walkin | 4ec3b4c | 2004-08-22 03:09:24 +0000 | [diff] [blame] | 331 | /* Import COMPONENTS OF stuff */ |
| 332 | ret = asn1f_pull_components_of(arg); |
| 333 | RET2RVAL(ret, rvalue); |
| 334 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 335 | return rvalue; |
| 336 | } |
| 337 | |
| 338 | static int |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 339 | asn1f_resolve_constraints(arg_t *arg) { |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 340 | asn1p_expr_t *top_parent; |
Lev Walkin | 5253da4 | 2004-08-20 13:25:56 +0000 | [diff] [blame] | 341 | asn1p_expr_type_e etype; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 342 | int rvalue = 0; |
| 343 | int ret; |
| 344 | |
Lev Walkin | 4ec3b4c | 2004-08-22 03:09:24 +0000 | [diff] [blame] | 345 | top_parent = asn1f_find_terminal_type(arg, arg->expr); |
Lev Walkin | 5253da4 | 2004-08-20 13:25:56 +0000 | [diff] [blame] | 346 | if(top_parent) |
| 347 | etype = top_parent->expr_type; |
| 348 | else etype = A1TC_INVALID; |
| 349 | |
Lev Walkin | d541c25 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 350 | DEBUG("asn1f_resolve_constraints(%s)", arg->expr->Identifier); |
| 351 | |
Lev Walkin | 4ec3b4c | 2004-08-22 03:09:24 +0000 | [diff] [blame] | 352 | ret = asn1constraint_resolve(arg, arg->expr->module, |
| 353 | arg->expr->constraints, etype, 0); |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 354 | RET2RVAL(ret, rvalue); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 355 | |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 356 | return rvalue; |
| 357 | } |
| 358 | |
| 359 | static int |
| 360 | asn1f_check_constraints(arg_t *arg) { |
| 361 | static enum asn1p_constraint_type_e test_types[] = { |
| 362 | ACT_EL_RANGE, ACT_CT_SIZE, ACT_CT_FROM }; |
| 363 | asn1p_expr_t *top_parent; |
| 364 | asn1cnst_range_t *range; |
| 365 | asn1p_expr_type_e etype; |
| 366 | unsigned int i; |
| 367 | int rvalue = 0; |
| 368 | int ret; |
| 369 | |
Lev Walkin | d541c25 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 370 | DEBUG("asn1f_check_constraints(%s{%d/%d})", |
| 371 | arg->expr->Identifier, |
| 372 | arg->expr->meta_type, arg->expr->expr_type); |
| 373 | |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 374 | top_parent = asn1f_find_terminal_type(arg, arg->expr); |
| 375 | if(!top_parent) |
| 376 | return 0; |
| 377 | etype = top_parent->expr_type; |
| 378 | |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 379 | ret = asn1constraint_pullup(arg); |
| 380 | RET2RVAL(ret, rvalue); |
| 381 | |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 382 | for(i = 0; i < sizeof(test_types)/sizeof(test_types[0]); i++) { |
| 383 | range = asn1constraint_compute_PER_range( |
Lev Walkin | b9fa780 | 2004-08-25 02:04:39 +0000 | [diff] [blame] | 384 | etype, |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 385 | arg->expr->combined_constraints, |
Lev Walkin | b9fa780 | 2004-08-25 02:04:39 +0000 | [diff] [blame] | 386 | test_types[i], 0, 0, 0); |
Lev Walkin | d541c25 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 387 | if(!range && errno == EPERM) { |
| 388 | FATAL("This error happened for %s (%d) at line %d", |
| 389 | arg->expr->Identifier, |
| 390 | arg->expr->meta_type, |
| 391 | arg->expr->_lineno); |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 392 | return -1; |
Lev Walkin | d541c25 | 2004-09-05 10:36:22 +0000 | [diff] [blame] | 393 | } |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 394 | asn1constraint_range_free(range); |
Lev Walkin | b45e067 | 2004-08-18 05:42:05 +0000 | [diff] [blame] | 395 | } |
Lev Walkin | 1ef0516 | 2004-08-25 00:42:25 +0000 | [diff] [blame] | 396 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 397 | return rvalue; |
| 398 | } |
| 399 | |
Lev Walkin | f593f10 | 2005-02-22 07:59:59 +0000 | [diff] [blame] | 400 | static int |
| 401 | asn1f_check_duplicate(arg_t *arg) { |
| 402 | arg_t tmparg = *arg; |
| 403 | |
| 404 | /* |
| 405 | * This is a linear scan in search of a similar type. |
| 406 | * The linear scan is just fine for the task, no need to over-optimize. |
| 407 | */ |
| 408 | TQ_FOR(tmparg.mod, &arg->asn->modules, mod_next) { |
| 409 | TQ_FOR(tmparg.expr, &(tmparg.mod->members), next) { |
| 410 | assert(tmparg.expr->Identifier); |
| 411 | assert(arg->expr->Identifier); |
| 412 | if(tmparg.expr == arg->expr) break; |
| 413 | |
| 414 | if(strcmp(tmparg.expr->Identifier, |
| 415 | arg->expr->Identifier) == 0) { |
| 416 | int diff_files = strcmp(arg->mod->source_file_name, tmparg.mod->source_file_name) ? 1 : 0; |
| 417 | FATAL("ASN.1 expression \"%s\" at line %d of module %s\n" |
| 418 | "clashes with expression \"%s\" at line %d of module %s" |
| 419 | "%s%s%s.\n" |
| 420 | "Please rename either instance to resolve the conflict", |
| 421 | arg->expr->Identifier, |
| 422 | arg->expr->_lineno, |
| 423 | arg->mod->Identifier, |
| 424 | tmparg.expr->Identifier, |
| 425 | tmparg.expr->_lineno, |
| 426 | tmparg.mod->Identifier, |
| 427 | diff_files ? " (" : "", |
| 428 | diff_files ? tmparg.mod->source_file_name : "", |
| 429 | diff_files ? ")" : "" |
| 430 | ); |
| 431 | return -1; |
| 432 | } |
| 433 | } |
| 434 | if(tmparg.mod == arg->mod) break; |
| 435 | } |
| 436 | |
| 437 | return 0; |
| 438 | } |
| 439 | |
Lev Walkin | 1dec580 | 2005-03-04 09:02:27 +0000 | [diff] [blame^] | 440 | static int |
| 441 | asn1f_apply_unique_index(arg_t *arg) { |
| 442 | static int unique_index; |
| 443 | if(!arg) { unique_index = 0; return 0; } |
| 444 | |
| 445 | switch(arg->expr->expr_type) { |
| 446 | case ASN_BASIC_ENUMERATED: |
| 447 | break; |
| 448 | default: |
| 449 | if(arg->expr->expr_type & ASN_CONSTR_MASK) |
| 450 | break; |
| 451 | return 0; |
| 452 | } |
| 453 | |
| 454 | arg->expr->_type_unique_index = ++unique_index; |
| 455 | |
| 456 | return 0; |
| 457 | } |
| 458 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 459 | /* |
| 460 | * Print everything to stderr |
| 461 | */ |
| 462 | static void |
| 463 | _default_error_logger(int _severity, const char *fmt, ...) { |
| 464 | va_list ap; |
| 465 | char *pfx = ""; |
| 466 | |
| 467 | switch(_severity) { |
| 468 | case -1: pfx = "DEBUG: "; break; |
| 469 | case 0: pfx = "WARNING: "; break; |
| 470 | case 1: pfx = "FATAL: "; break; |
| 471 | } |
| 472 | |
| 473 | fprintf(stderr, "%s", pfx); |
| 474 | va_start(ap, fmt); |
| 475 | vfprintf(stderr, fmt, ap); |
| 476 | va_end(ap); |
| 477 | fprintf(stderr, "\n"); |
| 478 | } |