vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Don't look into this file. First, because it's a mess, and second, because |
| 3 | * it's a brain of the compiler, and you don't wanna mess with brains do you? ;) |
| 4 | */ |
| 5 | #include "asn1c_internal.h" |
| 6 | #include "asn1c_C.h" |
| 7 | #include <asn1fix_export.h> /* exportable stuff from libasn1fix */ |
| 8 | |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 9 | typedef struct tag2el_s { |
| 10 | struct asn1p_type_tag_s el_tag; |
| 11 | int el_no; |
vlm | c8aeab4 | 2004-06-14 13:09:45 +0000 | [diff] [blame^] | 12 | int toff_first; |
| 13 | int toff_last; |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 14 | asn1p_expr_t *from_expr; |
| 15 | } tag2el_t; |
| 16 | |
| 17 | static int _fill_tag2el_map(arg_t *arg, tag2el_t **tag2el, int *count, int el_no); |
| 18 | static int _add_tag2el_member(arg_t *arg, tag2el_t **tag2el, int *count, int el_no); |
| 19 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 20 | static int asn1c_lang_C_type_SEQUENCE_def(arg_t *arg); |
| 21 | static int asn1c_lang_C_type_SET_def(arg_t *arg); |
| 22 | static int asn1c_lang_C_type_CHOICE_def(arg_t *arg); |
| 23 | static int asn1c_lang_C_type_SEx_OF_def(arg_t *arg, int seq_of); |
| 24 | static int _print_tag(arg_t *arg, asn1p_expr_t *expr, struct asn1p_type_tag_s *tag_p); |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 25 | static int emit_tag2member_map(arg_t *arg, tag2el_t *tag2el, int tag2el_count); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 26 | static int emit_constraint_checking_code(arg_t *arg); |
| 27 | static int emit_single_constraint_check(arg_t *arg, asn1p_constraint_t *ct, int mode); |
| 28 | static int emit_alphabet_tables(arg_t *arg, asn1p_constraint_t *ct, int *table); |
| 29 | static int emit_alphabet_check_cycle(arg_t *arg); |
| 30 | static int check_constraint_type_presence(asn1p_constraint_t *ct, enum asn1p_constraint_type_e type); |
| 31 | static asn1p_expr_type_e _find_terminal_type(arg_t *arg); |
| 32 | static int emit_value_determination_code(arg_t *arg); |
| 33 | static int emit_size_determination_code(arg_t *arg); |
| 34 | static long compute_min_size(arg_t *arg); |
| 35 | static long compute_max_size(arg_t *arg); |
| 36 | static long compute_xxx_size(arg_t *arg, int _max); |
| 37 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 38 | #define C99_MODE (arg->flags & A1C_NO_C99) |
| 39 | #define UNNAMED_UNIONS (arg->flags & A1C_UNNAMED_UNIONS) |
| 40 | |
| 41 | #define PCTX_DEF INDENTED( \ |
| 42 | OUT("\n"); \ |
| 43 | OUT("/* Context for parsing across buffer boundaries */\n"); \ |
| 44 | OUT("ber_dec_ctx_t _ber_dec_ctx;\n")); |
| 45 | |
| 46 | #define DEPENDENCIES do { \ |
| 47 | int saved_target = arg->target->target; \ |
| 48 | int saved_indent = arg->indent_level; \ |
| 49 | int comment_printed = 0; \ |
| 50 | REDIR(OT_DEPS); \ |
| 51 | arg->indent_level = 0; \ |
| 52 | TQ_FOR(v, &(expr->members), next) { \ |
| 53 | if((!(v->expr_type & ASN_CONSTR_MASK) \ |
| 54 | && v->expr_type > ASN_CONSTR_MASK) \ |
| 55 | || v->meta_type == AMT_TYPEREF) { \ |
| 56 | if(!comment_printed++) \ |
| 57 | OUT("/* Dependencies for %s */\n", \ |
| 58 | asn1c_type_name(arg, expr, TNF_UNMODIFIED)); \ |
| 59 | OUT("#include <%s.h>\n", \ |
| 60 | asn1c_type_name(arg, v, TNF_INCLUDE)); \ |
| 61 | } \ |
| 62 | } \ |
| 63 | if(expr->expr_type == ASN_CONSTR_SET_OF) \ |
| 64 | OUT("#include <asn_SET_OF.h>\n"); \ |
| 65 | if(expr->expr_type == ASN_CONSTR_SEQUENCE_OF) \ |
| 66 | OUT("#include <asn_SEQUENCE_OF.h>\n"); \ |
| 67 | OUT("\n"); \ |
| 68 | REDIR(saved_target); \ |
| 69 | INDENT(saved_indent); \ |
| 70 | } while(0) |
| 71 | |
| 72 | #define MKID(id) asn1c_make_identifier(0, (id), 0) |
| 73 | |
| 74 | int |
| 75 | asn1c_lang_C_type_ENUMERATED(arg_t *arg) { |
| 76 | asn1p_expr_t *expr = arg->expr; |
| 77 | asn1p_expr_t *v; |
| 78 | |
| 79 | REDIR(OT_DEPS); |
| 80 | |
| 81 | OUT("typedef enum %s {\n", MKID(expr->Identifier)); |
| 82 | TQ_FOR(v, &(expr->members), next) { |
| 83 | switch(v->expr_type) { |
| 84 | case A1TC_UNIVERVAL: |
| 85 | OUT("\t%s\t= %lld,\n", |
| 86 | asn1c_make_identifier(0, |
| 87 | expr->Identifier, |
| 88 | v->Identifier, 0), |
| 89 | v->value->value.v_integer); |
| 90 | break; |
| 91 | case A1TC_EXTENSIBLE: |
| 92 | OUT("\t/*\n"); |
| 93 | OUT("\t * Enumeration is extensible\n"); |
| 94 | OUT("\t */\n"); |
| 95 | break; |
| 96 | default: |
| 97 | return -1; |
| 98 | } |
| 99 | } |
| 100 | OUT("} %s_e;\n", MKID(expr->Identifier)); |
| 101 | |
| 102 | return asn1c_lang_C_type_SIMPLE_TYPE(arg); |
| 103 | } |
| 104 | |
| 105 | |
| 106 | int |
| 107 | asn1c_lang_C_type_INTEGER(arg_t *arg) { |
| 108 | asn1p_expr_t *expr = arg->expr; |
| 109 | asn1p_expr_t *v; |
| 110 | |
| 111 | REDIR(OT_DEPS); |
| 112 | |
| 113 | if(TQ_FIRST(&(expr->members))) { |
| 114 | OUT("typedef enum %s {\n", MKID(expr->Identifier)); |
| 115 | TQ_FOR(v, &(expr->members), next) { |
| 116 | switch(v->expr_type) { |
| 117 | case A1TC_UNIVERVAL: |
| 118 | OUT("\t%s\t= %lld,\n", |
| 119 | asn1c_make_identifier(0, |
| 120 | expr->Identifier, |
| 121 | v->Identifier, 0), |
| 122 | v->value->value.v_integer); |
| 123 | break; |
| 124 | default: |
| 125 | return -1; |
| 126 | } |
| 127 | } |
| 128 | OUT("} %s_e;\n", MKID(expr->Identifier)); |
| 129 | } |
| 130 | |
| 131 | return asn1c_lang_C_type_SIMPLE_TYPE(arg); |
| 132 | } |
| 133 | |
| 134 | int |
| 135 | asn1c_lang_C_type_SEQUENCE(arg_t *arg) { |
| 136 | asn1p_expr_t *expr = arg->expr; |
| 137 | asn1p_expr_t *v; |
| 138 | int comp_mode = 0; /* {root,ext=1,root,root,...} */ |
| 139 | |
| 140 | DEPENDENCIES; |
| 141 | |
| 142 | if(arg->embed) { |
| 143 | OUT("struct %s {\n", |
| 144 | MKID(expr->Identifier)); |
| 145 | } else { |
| 146 | OUT("typedef struct %s {\n", |
| 147 | MKID(expr->Identifier)); |
| 148 | } |
| 149 | |
| 150 | TQ_FOR(v, &(expr->members), next) { |
| 151 | if(v->expr_type == A1TC_EXTENSIBLE) { |
| 152 | if(comp_mode < 3) comp_mode++; |
| 153 | } |
| 154 | if(comp_mode == 1 && !v->marker) |
| 155 | v->marker = EM_OPTIONAL; |
| 156 | EMBED(v); |
| 157 | } |
| 158 | |
| 159 | PCTX_DEF; |
| 160 | OUT("} %s%s", expr->marker?"*":"", |
| 161 | MKID(expr->Identifier)); |
| 162 | if(arg->embed) OUT(";\n"); else OUT("_t;\n"); |
| 163 | |
| 164 | return asn1c_lang_C_type_SEQUENCE_def(arg); |
| 165 | } |
| 166 | |
| 167 | static int |
| 168 | asn1c_lang_C_type_SEQUENCE_def(arg_t *arg) { |
| 169 | asn1p_expr_t *expr = arg->expr; |
| 170 | asn1p_expr_t *v; |
| 171 | int elements; /* Number of elements */ |
| 172 | int tags_impl_skip = 0; |
| 173 | int comp_mode = 0; /* {root,ext=1,root,root,...} */ |
| 174 | int ext_start = -1; |
| 175 | int ext_stop = -1; |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 176 | tag2el_t *tag2el = NULL; |
| 177 | int tag2el_count = 0; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 178 | char *p; |
| 179 | |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 180 | /* |
| 181 | * Fetch every inner tag from the tag to elements map. |
| 182 | */ |
| 183 | if(_fill_tag2el_map(arg, &tag2el, &tag2el_count, -1)) { |
| 184 | if(tag2el) free(tag2el); |
| 185 | return -1; |
| 186 | } |
| 187 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 188 | REDIR(OT_STAT_DEFS); |
| 189 | |
| 190 | OUT("#include <constr_SEQUENCE.h>\n"); |
| 191 | OUT("\n"); |
| 192 | |
| 193 | /* |
| 194 | * Print out the table according to which the parsing is performed. |
| 195 | */ |
| 196 | p = MKID(expr->Identifier); |
| 197 | OUT("static asn1_SEQUENCE_element_t asn1_DEF_%s_elements[] = {\n", p); |
| 198 | |
| 199 | elements = 0; |
| 200 | INDENTED(TQ_FOR(v, &(expr->members), next) { |
| 201 | if(v->expr_type == A1TC_EXTENSIBLE) { |
| 202 | if((++comp_mode) == 1) |
| 203 | ext_start = elements - 1; |
| 204 | else |
| 205 | ext_stop = elements - 1; |
| 206 | continue; |
| 207 | } |
| 208 | OUT("{ "); |
| 209 | elements++; |
| 210 | OUT("offsetof(struct %s, ", MKID(expr->Identifier)); |
| 211 | OUT("%s), ", MKID(v->Identifier)); |
| 212 | if(v->marker) { |
| 213 | asn1p_expr_t *tv; |
| 214 | int opts = 0; |
| 215 | for(tv = v; tv && tv->marker; |
| 216 | tv = TQ_NEXT(tv, next), opts++) { |
| 217 | if(tv->expr_type == A1TC_EXTENSIBLE) |
| 218 | opts--; |
| 219 | } |
| 220 | OUT("%d,", opts); |
| 221 | } else { |
| 222 | OUT("0,"); |
| 223 | } |
| 224 | OUT("\n"); |
| 225 | INDENT(+1); |
| 226 | if(C99_MODE) OUT(".tag = "); |
| 227 | _print_tag(arg, v, NULL); |
| 228 | OUT(",\n"); |
| 229 | if(C99_MODE) OUT(".tag_mode = "); |
| 230 | if(v->tag.tag_class) { |
| 231 | if(v->tag.tag_mode == TM_IMPLICIT) |
| 232 | OUT("-1,\t/* IMPLICIT tag at current level */\n"); |
| 233 | else |
| 234 | OUT("+1,\t/* EXPLICIT tag at current level */\n"); |
| 235 | } else { |
| 236 | OUT("0,\n"); |
| 237 | } |
| 238 | if(C99_MODE) OUT(".type = "); |
| 239 | OUT("(void *)&asn1_DEF_%s,\n", |
| 240 | asn1c_type_name(arg, v, TNF_SAFE)); |
| 241 | if(C99_MODE) OUT(".name = "); |
| 242 | OUT("\"%s\"\n", v->Identifier); |
| 243 | OUT("},\n"); |
| 244 | INDENT(-1); |
| 245 | }); |
| 246 | OUT("};\n"); |
| 247 | |
| 248 | p = MKID(expr->Identifier); |
| 249 | OUT("static ber_tlv_tag_t asn1_DEF_%s_tags[] = {\n", p); |
| 250 | INDENTED( |
| 251 | if(expr->tag.tag_class) { |
| 252 | _print_tag(arg, expr, &expr->tag); |
| 253 | if(expr->tag.tag_mode != TM_EXPLICIT) |
| 254 | tags_impl_skip++; |
| 255 | } |
| 256 | if(!expr->tag.tag_class |
| 257 | || (expr->meta_type == AMT_TYPE |
| 258 | && expr->tag.tag_mode == TM_EXPLICIT)) { |
| 259 | struct asn1p_type_tag_s tag; |
| 260 | if(expr->tag.tag_class) |
| 261 | OUT(",\n"); |
| 262 | tag.tag_class = TC_UNIVERSAL; |
| 263 | tag.tag_mode = TM_IMPLICIT; |
| 264 | tag.tag_value = expr_type2uclass_value[expr->expr_type]; |
| 265 | _print_tag(arg, expr, &tag); |
| 266 | } |
| 267 | OUT("\n"); |
| 268 | ); |
| 269 | OUT("};\n"); |
| 270 | |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 271 | /* |
| 272 | * Tags to elements map. |
| 273 | */ |
| 274 | emit_tag2member_map(arg, tag2el, tag2el_count); |
| 275 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 276 | OUT("static asn1_SEQUENCE_specifics_t asn1_DEF_%s_specs = {\n", p); |
| 277 | INDENTED( |
| 278 | OUT("sizeof(struct %s),\n", p); |
| 279 | OUT("offsetof(struct %s, _ber_dec_ctx),\n", p); |
| 280 | OUT("asn1_DEF_%s_elements,\n", p); |
| 281 | OUT("%d,\t/* Elements count */\n", elements); |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 282 | OUT("asn1_DEF_%s_tag2el,\n", p); |
| 283 | OUT("%d,\t/* Count of tags in the map */\n", tag2el_count); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 284 | OUT("%d,\t/* Start extensions */\n", |
| 285 | ext_start); |
| 286 | OUT("%d\t/* Stop extensions */\n", |
| 287 | (ext_stop<ext_start)?elements+1:ext_stop, ext_stop); |
| 288 | ); |
| 289 | OUT("};\n"); |
| 290 | OUT("asn1_TYPE_descriptor_t asn1_DEF_%s = {\n", p); |
| 291 | INDENTED( |
| 292 | OUT("\"%s\",\n", expr->Identifier); |
| 293 | OUT("SEQUENCE_constraint,\n"); |
| 294 | OUT("SEQUENCE_decode_ber,\n"); |
| 295 | OUT("SEQUENCE_encode_der,\n"); |
| 296 | OUT("SEQUENCE_print,\n"); |
| 297 | OUT("SEQUENCE_free,\n"); |
| 298 | OUT("0,\t/* Use generic outmost tag fetcher */\n"); |
| 299 | OUT("asn1_DEF_%s_tags,\n", p); |
| 300 | OUT("sizeof(asn1_DEF_%s_tags)\n", p); |
| 301 | OUT("\t/sizeof(asn1_DEF_%s_tags[0]),\n", p); |
| 302 | OUT("%d,\t/* Tags to skip */\n", tags_impl_skip); |
| 303 | OUT("%d,\t/* Whether CONSTRUCTED */\n", 1); |
| 304 | OUT("&asn1_DEF_%s_specs\t/* Additional specs */\n", p); |
| 305 | ); |
| 306 | OUT("};\n"); |
| 307 | OUT("\n"); |
| 308 | |
| 309 | REDIR(OT_DEPS); |
| 310 | OUT("#include <constr_SEQUENCE.h>\n"); |
| 311 | OUT("\n"); |
| 312 | if(!arg->embed) |
| 313 | OUT("extern asn1_TYPE_descriptor_t asn1_DEF_%s;\n", p); |
| 314 | REDIR(OT_TYPE_DECLS); |
| 315 | |
| 316 | return 0; |
| 317 | } |
| 318 | |
| 319 | int |
| 320 | asn1c_lang_C_type_SEQUENCE_OF(arg_t *arg) { |
| 321 | asn1p_expr_t *expr = arg->expr; |
| 322 | asn1p_expr_t *v; |
| 323 | |
| 324 | DEPENDENCIES; |
| 325 | |
| 326 | if(arg->embed) { |
| 327 | OUT("struct %s {\n", MKID(expr->Identifier)); |
| 328 | } else { |
| 329 | OUT("typedef struct %s {\n", MKID(expr->Identifier)); |
| 330 | } |
| 331 | |
| 332 | TQ_FOR(v, &(expr->members), next) { |
| 333 | INDENTED(OUT("A_SEQUENCE_OF(%s) list;\n", |
| 334 | asn1c_type_name(arg, v, TNF_RSAFE))); |
| 335 | } |
| 336 | |
| 337 | PCTX_DEF; |
| 338 | OUT("} %s%s", expr->marker?"*":"", MKID(expr->Identifier)); |
| 339 | if(arg->embed) OUT(";\n"); else OUT("_t;\n"); |
| 340 | |
| 341 | /* |
| 342 | * SET OF/SEQUENCE OF definition, SEQUENCE OF mode. |
| 343 | */ |
| 344 | return asn1c_lang_C_type_SEx_OF_def(arg, 1); |
| 345 | } |
| 346 | |
| 347 | int |
| 348 | asn1c_lang_C_type_SET(arg_t *arg) { |
| 349 | asn1p_expr_t *expr = arg->expr; |
| 350 | asn1p_expr_t *v; |
| 351 | long mcount; |
| 352 | char *id; |
| 353 | int comp_mode = 0; /* {root,ext=1,root,root,...} */ |
| 354 | |
| 355 | DEPENDENCIES; |
| 356 | |
| 357 | REDIR(OT_DEPS); |
| 358 | |
| 359 | OUT("\n"); |
| 360 | OUT("/*\n"); |
| 361 | OUT(" * Method of determining the components presence\n"); |
| 362 | OUT(" */\n"); |
| 363 | mcount = 0; |
| 364 | OUT("enum %s_PR_e {\n", MKID(expr->Identifier)); |
| 365 | TQ_FOR(v, &(expr->members), next) { |
| 366 | if(v->expr_type == A1TC_EXTENSIBLE) continue; |
| 367 | INDENTED( |
| 368 | id = MKID(expr->Identifier); |
| 369 | OUT("%s_PR_", id); |
| 370 | id = MKID(v->Identifier); |
| 371 | OUT("%s,\t/* Member %s is present */\n", |
| 372 | id, id) |
| 373 | ); |
| 374 | mcount++; |
| 375 | } |
| 376 | OUT("};\n"); |
| 377 | |
| 378 | REDIR(OT_TYPE_DECLS); |
| 379 | |
| 380 | if(arg->embed) { |
| 381 | OUT("struct %s {\n", MKID(expr->Identifier)); |
| 382 | } else { |
| 383 | OUT("typedef struct %s {\n", MKID(expr->Identifier)); |
| 384 | } |
| 385 | |
| 386 | TQ_FOR(v, &(expr->members), next) { |
| 387 | if(v->expr_type == A1TC_EXTENSIBLE) { |
| 388 | if(comp_mode < 3) comp_mode++; |
| 389 | } |
| 390 | if(comp_mode == 1 && !v->marker) |
| 391 | v->marker = EM_OPTIONAL; |
| 392 | EMBED(v); |
| 393 | } |
| 394 | |
| 395 | INDENTED( |
| 396 | id = MKID(expr->Identifier); |
| 397 | OUT("\n"); |
| 398 | OUT("/* Presence bitmask: ASN_SET_ISPRESENT(p%s, %s_PR_x) */\n", |
| 399 | id, id); |
| 400 | OUT("unsigned int _presence_map\n"); |
| 401 | OUT("\t[((%ld+(8*sizeof(unsigned int))-1)/(8*sizeof(unsigned int)))];\n", mcount); |
| 402 | ); |
| 403 | |
| 404 | PCTX_DEF; |
| 405 | OUT("} %s%s", expr->marker?"*":"", MKID(expr->Identifier)); |
| 406 | if(arg->embed) OUT(";\n"); else OUT("_t;\n"); |
| 407 | |
| 408 | return asn1c_lang_C_type_SET_def(arg); |
| 409 | } |
| 410 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 411 | static int |
| 412 | asn1c_lang_C_type_SET_def(arg_t *arg) { |
| 413 | asn1p_expr_t *expr = arg->expr; |
| 414 | asn1p_expr_t *v; |
| 415 | int elements; |
| 416 | int tags_impl_skip = 0; |
| 417 | int comp_mode = 0; /* {root,ext=1,root,root,...} */ |
| 418 | int extensible = 0; |
| 419 | tag2el_t *tag2el = NULL; |
| 420 | int tag2el_count = 0; |
| 421 | char *p; |
| 422 | |
| 423 | /* |
| 424 | * Fetch every inner tag from the tag to elements map. |
| 425 | */ |
| 426 | if(_fill_tag2el_map(arg, &tag2el, &tag2el_count, -1)) { |
| 427 | if(tag2el) free(tag2el); |
| 428 | return -1; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 429 | } |
| 430 | |
| 431 | |
| 432 | REDIR(OT_STAT_DEFS); |
| 433 | |
| 434 | OUT("#include <constr_SET.h>\n"); |
| 435 | OUT("\n"); |
| 436 | |
| 437 | /* |
| 438 | * Print out the table according to which the parsing is performed. |
| 439 | */ |
| 440 | p = MKID(expr->Identifier); |
| 441 | OUT("static asn1_SET_element_t asn1_DEF_%s_elements[] = {\n", p); |
| 442 | |
| 443 | elements = 0; |
| 444 | INDENTED(TQ_FOR(v, &(expr->members), next) { |
| 445 | if(v->expr_type != A1TC_EXTENSIBLE) { |
| 446 | if(comp_mode == 1) |
| 447 | v->marker = EM_OPTIONAL; |
| 448 | elements++; |
| 449 | } else { |
| 450 | if(comp_mode < 3) comp_mode++; |
| 451 | continue; |
| 452 | } |
| 453 | OUT("{ "); |
| 454 | p = MKID(expr->Identifier); |
| 455 | OUT("offsetof(struct %s, ", p); |
| 456 | p = MKID(v->Identifier); |
| 457 | OUT("%s), ", p); |
| 458 | if(v->marker) { |
| 459 | OUT("1, /* Optional element */\n"); |
| 460 | } else { |
| 461 | OUT("0,\n"); |
| 462 | } |
| 463 | INDENT(+1); |
| 464 | if(C99_MODE) OUT(".tag = "); |
| 465 | _print_tag(arg, v, NULL); |
| 466 | OUT(",\n"); |
| 467 | if(C99_MODE) OUT(".tag_mode = "); |
| 468 | if(v->tag.tag_class) { |
| 469 | if(v->tag.tag_mode == TM_IMPLICIT) |
| 470 | OUT("-1,\t/* IMPLICIT tag at current level */\n"); |
| 471 | else |
| 472 | OUT("+1,\t/* EXPLICIT tag at current level */\n"); |
| 473 | } else { |
| 474 | OUT("0,\n"); |
| 475 | } |
| 476 | if(C99_MODE) OUT(".type = "); |
| 477 | OUT("(void *)&asn1_DEF_%s,\n", |
| 478 | asn1c_type_name(arg, v, TNF_SAFE)); |
| 479 | if(C99_MODE) OUT(".name = "); |
| 480 | OUT("\"%s\"\n", v->Identifier); |
| 481 | OUT("},\n"); |
| 482 | INDENT(-1); |
| 483 | }); |
| 484 | OUT("};\n"); |
| 485 | |
| 486 | p = MKID(expr->Identifier); |
| 487 | OUT("static ber_tlv_tag_t asn1_DEF_%s_tags[] = {\n", p); |
| 488 | INDENTED( |
| 489 | if(expr->tag.tag_class) { |
| 490 | _print_tag(arg, expr, &expr->tag); |
| 491 | if(expr->tag.tag_mode != TM_EXPLICIT) |
| 492 | tags_impl_skip++; |
| 493 | } |
| 494 | if(!expr->tag.tag_class |
| 495 | || (expr->meta_type == AMT_TYPE |
| 496 | && expr->tag.tag_mode == TM_EXPLICIT)) { |
| 497 | struct asn1p_type_tag_s tag; |
| 498 | if(expr->tag.tag_class) |
| 499 | OUT(",\n"); |
| 500 | tag.tag_class = TC_UNIVERSAL; |
| 501 | tag.tag_mode = TM_IMPLICIT; |
| 502 | tag.tag_value = expr_type2uclass_value[expr->expr_type]; |
| 503 | _print_tag(arg, expr, &tag); |
| 504 | } |
| 505 | OUT("\n"); |
| 506 | ); |
| 507 | OUT("};\n"); |
| 508 | |
| 509 | /* |
| 510 | * Tags to elements map. |
| 511 | */ |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 512 | emit_tag2member_map(arg, tag2el, tag2el_count); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 513 | |
| 514 | /* |
| 515 | * Emit a map of mandatory elements. |
| 516 | */ |
| 517 | OUT("static uint8_t asn1_DEF_%s_mmap", p); |
| 518 | OUT("[(%d + (8 * sizeof(unsigned int)) - 1) / 8]", elements); |
| 519 | OUT(" = {\n", p); |
| 520 | INDENTED( |
| 521 | if(elements) { |
| 522 | int delimit = 0; |
| 523 | int el = 0; |
| 524 | TQ_FOR(v, &(expr->members), next) { |
| 525 | if(v->expr_type == A1TC_EXTENSIBLE) continue; |
| 526 | if(delimit) { |
| 527 | OUT(",\n"); |
| 528 | delimit = 0; |
| 529 | } else if(el) { |
| 530 | OUT(" | "); |
| 531 | } |
| 532 | OUT("(%d << %d)", v->marker?0:1, 7 - (el % 8)); |
| 533 | if(el && (el % 8) == 0) |
| 534 | delimit = 1; |
| 535 | el++; |
| 536 | } |
| 537 | } else { |
| 538 | OUT("0"); |
| 539 | } |
| 540 | ); |
| 541 | OUT("\n"); |
| 542 | OUT("};\n"); |
| 543 | |
| 544 | OUT("static asn1_SET_specifics_t asn1_DEF_%s_specs = {\n", p); |
| 545 | INDENTED( |
| 546 | OUT("sizeof(struct %s),\n", p); |
| 547 | OUT("offsetof(struct %s, _ber_dec_ctx),\n", p); |
| 548 | OUT("offsetof(struct %s, _presence_map),\n", p); |
| 549 | OUT("asn1_DEF_%s_elements,\n", p); |
| 550 | OUT("%d,\t/* Elements count */\n", elements); |
| 551 | OUT("asn1_DEF_%s_tag2el,\n", p); |
| 552 | OUT("%d,\t/* Count of tags in the map */\n", tag2el_count); |
| 553 | OUT("%d,\t/* Whether extensible */\n", extensible); |
| 554 | OUT("(unsigned int *)asn1_DEF_%s_mmap\t/* Mandatory elements map */\n", p); |
| 555 | ); |
| 556 | OUT("};\n"); |
| 557 | OUT("asn1_TYPE_descriptor_t asn1_DEF_%s = {\n", p); |
| 558 | INDENTED( |
| 559 | OUT("\"%s\",\n", expr->Identifier); |
| 560 | OUT("SET_constraint,\n"); |
| 561 | OUT("SET_decode_ber,\n"); |
| 562 | OUT("SET_encode_der,\n"); |
| 563 | OUT("SET_print,\n"); |
| 564 | OUT("SET_free,\n"); |
| 565 | OUT("0,\t/* Use generic outmost tag fetcher */\n"); |
| 566 | OUT("asn1_DEF_%s_tags,\n", p); |
| 567 | OUT("sizeof(asn1_DEF_%s_tags)\n", p); |
| 568 | OUT("\t/sizeof(asn1_DEF_%s_tags[0]),\n", p); |
| 569 | OUT("%d,\t/* Tags to skip */\n", tags_impl_skip); |
| 570 | OUT("%d,\t/* Whether CONSTRUCTED */\n", 1); |
| 571 | OUT("&asn1_DEF_%s_specs\t/* Additional specs */\n", p); |
| 572 | ); |
| 573 | OUT("};\n"); |
| 574 | OUT("\n"); |
| 575 | |
| 576 | REDIR(OT_DEPS); |
| 577 | OUT("#include <constr_SET.h>\n"); |
| 578 | OUT("\n"); |
| 579 | if(!arg->embed) |
| 580 | OUT("extern asn1_TYPE_descriptor_t asn1_DEF_%s;\n", p); |
| 581 | REDIR(OT_TYPE_DECLS); |
| 582 | |
| 583 | return 0; |
| 584 | } |
| 585 | |
| 586 | int |
| 587 | asn1c_lang_C_type_SET_OF(arg_t *arg) { |
| 588 | asn1p_expr_t *expr = arg->expr; |
| 589 | asn1p_expr_t *v; |
| 590 | |
| 591 | DEPENDENCIES; |
| 592 | |
| 593 | if(arg->embed) { |
| 594 | OUT("struct %s {\n", MKID(expr->Identifier)); |
| 595 | } else { |
| 596 | OUT("typedef struct %s {\n", |
| 597 | MKID(expr->Identifier)); |
| 598 | } |
| 599 | |
| 600 | TQ_FOR(v, &(expr->members), next) { |
| 601 | INDENTED(OUT("A_SET_OF(%s) list;\n", |
| 602 | asn1c_type_name(arg, v, TNF_RSAFE))); |
| 603 | } |
| 604 | |
| 605 | PCTX_DEF; |
| 606 | OUT("} %s%s", expr->marker?"*":"", MKID(expr->Identifier)); |
| 607 | if(arg->embed) OUT(";\n"); else OUT("_t;\n"); |
| 608 | |
| 609 | /* |
| 610 | * SET OF/SEQUENCE OF definition, SET OF mode. |
| 611 | */ |
| 612 | return asn1c_lang_C_type_SEx_OF_def(arg, 0); |
| 613 | } |
| 614 | |
| 615 | static int |
| 616 | asn1c_lang_C_type_SEx_OF_def(arg_t *arg, int seq_of) { |
| 617 | asn1p_expr_t *expr = arg->expr; |
| 618 | asn1p_expr_t *v; |
| 619 | int tags_impl_skip = 0; |
| 620 | char *p; |
| 621 | |
| 622 | REDIR(OT_DEPS); |
| 623 | |
| 624 | if(seq_of) { |
| 625 | OUT("#include <constr_SEQUENCE_OF.h>\n"); |
| 626 | } else { |
| 627 | OUT("#include <constr_SET_OF.h>\n"); |
| 628 | OUT("\n"); |
| 629 | } |
| 630 | |
| 631 | REDIR(OT_STAT_DEFS); |
| 632 | |
| 633 | /* |
| 634 | * Print out the table according to which the parsing is performed. |
| 635 | */ |
| 636 | p = MKID(expr->Identifier); |
| 637 | OUT("static asn1_SET_OF_element_t asn1_DEF_%s_elements[] = {\n", p); |
| 638 | |
| 639 | INDENTED(OUT("{ "); |
| 640 | v = TQ_FIRST(&(expr->members)); |
| 641 | INDENT(+1); |
| 642 | if(C99_MODE) OUT(".tag = "); |
| 643 | _print_tag(arg, v, NULL); |
| 644 | OUT(",\n"); |
| 645 | if(C99_MODE) OUT(".type = "); |
| 646 | OUT("(void *)&asn1_DEF_%s", |
| 647 | asn1c_type_name(arg, v, TNF_SAFE)); |
| 648 | OUT(" "); |
| 649 | OUT("},\n"); |
| 650 | INDENT(-1); |
| 651 | ); |
| 652 | OUT("};\n"); |
| 653 | |
| 654 | p = MKID(expr->Identifier); |
| 655 | OUT("static ber_tlv_tag_t asn1_DEF_%s_tags[] = {\n", p); |
| 656 | INDENTED( |
| 657 | if(expr->tag.tag_class) { |
| 658 | _print_tag(arg, expr, &expr->tag); |
| 659 | if(expr->tag.tag_mode != TM_EXPLICIT) |
| 660 | tags_impl_skip++; |
| 661 | } |
| 662 | if(!expr->tag.tag_class |
| 663 | || (expr->meta_type == AMT_TYPE |
| 664 | && expr->tag.tag_mode == TM_EXPLICIT)) { |
| 665 | struct asn1p_type_tag_s tag; |
| 666 | if(expr->tag.tag_class) |
| 667 | OUT(",\n"); |
| 668 | tag.tag_class = TC_UNIVERSAL; |
| 669 | tag.tag_mode = TM_IMPLICIT; |
| 670 | tag.tag_value = expr_type2uclass_value[expr->expr_type]; |
| 671 | _print_tag(arg, expr, &tag); |
| 672 | } |
| 673 | OUT("\n"); |
| 674 | ); |
| 675 | OUT("};\n"); |
| 676 | |
| 677 | OUT("static asn1_SET_OF_specifics_t asn1_DEF_%s_specs = {\n", p); |
| 678 | INDENTED( |
| 679 | OUT("sizeof(struct %s),\n", p); |
| 680 | OUT("offsetof(struct %s, _ber_dec_ctx),\n", p); |
| 681 | OUT("asn1_DEF_%s_elements\n", p); |
| 682 | ); |
| 683 | OUT("};\n"); |
| 684 | OUT("asn1_TYPE_descriptor_t asn1_DEF_%s = {\n", p); |
| 685 | INDENTED( |
| 686 | OUT("\"%s\",\n", expr->Identifier); |
| 687 | if(seq_of) { |
| 688 | OUT("SEQUENCE_OF_constraint,\n"); |
| 689 | OUT("SEQUENCE_OF_decode_ber,\n"); |
| 690 | OUT("SEQUENCE_OF_encode_der,\n"); |
| 691 | OUT("SEQUENCE_OF_print,\n"); |
| 692 | OUT("SEQUENCE_OF_free,\n"); |
| 693 | } else { |
| 694 | OUT("SET_OF_constraint,\n"); |
| 695 | OUT("SET_OF_decode_ber,\n"); |
| 696 | OUT("SET_OF_encode_der,\n"); |
| 697 | OUT("SET_OF_print,\n"); |
| 698 | OUT("SET_OF_free,\n"); |
| 699 | } |
| 700 | OUT("0,\t/* Use generic outmost tag fetcher */\n"); |
| 701 | OUT("asn1_DEF_%s_tags,\n", p); |
| 702 | OUT("sizeof(asn1_DEF_%s_tags)\n", p); |
| 703 | OUT("\t/sizeof(asn1_DEF_%s_tags[0]),\n", p); |
| 704 | OUT("%d,\t/* Tags to skip */\n", tags_impl_skip); |
| 705 | OUT("%d,\t/* Whether CONSTRUCTED */\n", 1); |
| 706 | OUT("&asn1_DEF_%s_specs\t/* Additional specs */\n", p); |
| 707 | ); |
| 708 | OUT("};\n"); |
| 709 | OUT("\n"); |
| 710 | |
| 711 | REDIR(OT_DEPS); |
| 712 | if(!arg->embed) |
| 713 | OUT("extern asn1_TYPE_descriptor_t asn1_DEF_%s;\n", p); |
| 714 | REDIR(OT_TYPE_DECLS); |
| 715 | |
| 716 | return 0; |
| 717 | } |
| 718 | |
| 719 | int |
| 720 | asn1c_lang_C_type_CHOICE(arg_t *arg) { |
| 721 | asn1p_expr_t *expr = arg->expr; |
| 722 | asn1p_expr_t *v; |
| 723 | char *p; |
| 724 | |
| 725 | DEPENDENCIES; |
| 726 | |
| 727 | p = MKID(expr->Identifier); |
| 728 | |
| 729 | if(arg->embed) { |
| 730 | OUT("struct %s {\n", p); |
| 731 | } else { |
| 732 | OUT("typedef struct %s {\n", p); |
| 733 | } |
| 734 | |
| 735 | INDENTED( |
| 736 | OUT("enum {\n"); |
| 737 | INDENTED( |
| 738 | OUT("%s_PR_NOTHING,\t" |
| 739 | "/* No components present */\n", p); |
| 740 | TQ_FOR(v, &(expr->members), next) { |
| 741 | if(v->expr_type == A1TC_EXTENSIBLE) continue; |
| 742 | p = MKID(expr->Identifier); |
| 743 | OUT("%s_PR_", p); |
| 744 | p = MKID(v->Identifier); |
| 745 | OUT("%s,\n", p, p); |
| 746 | } |
| 747 | ); |
| 748 | OUT("} present;\n"); |
| 749 | |
| 750 | OUT("union {\n", p); |
| 751 | TQ_FOR(v, &(expr->members), next) { |
| 752 | EMBED(v); |
| 753 | } |
| 754 | if(UNNAMED_UNIONS) OUT("};\n"); |
| 755 | else OUT("} choice;\n"); |
| 756 | ); |
| 757 | |
| 758 | PCTX_DEF; |
| 759 | OUT("} %s%s", expr->marker?"*":"", MKID(expr->Identifier)); |
| 760 | if(arg->embed) OUT(";\n"); else OUT("_t;\n"); |
| 761 | |
| 762 | return asn1c_lang_C_type_CHOICE_def(arg); |
| 763 | } |
| 764 | |
| 765 | static int |
| 766 | asn1c_lang_C_type_CHOICE_def(arg_t *arg) { |
| 767 | asn1p_expr_t *expr = arg->expr; |
| 768 | asn1p_expr_t *v; |
| 769 | int elements; /* Number of elements */ |
| 770 | int tags_impl_skip = 0; |
| 771 | int comp_mode = 0; /* {root,ext=1,root,root,...} */ |
| 772 | int extensible = 0; |
| 773 | tag2el_t *tag2el = NULL; |
| 774 | int tag2el_count = 0; |
| 775 | char *p; |
| 776 | |
| 777 | /* |
| 778 | * Fetch every inner tag from the tag to elements map. |
| 779 | */ |
| 780 | if(_fill_tag2el_map(arg, &tag2el, &tag2el_count, -1)) { |
| 781 | if(tag2el) free(tag2el); |
| 782 | return -1; |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 783 | } |
| 784 | |
| 785 | REDIR(OT_STAT_DEFS); |
| 786 | |
| 787 | OUT("#include <constr_CHOICE.h>\n"); |
| 788 | OUT("\n"); |
| 789 | |
| 790 | /* |
| 791 | * Print out the table according to which the parsing is performed. |
| 792 | */ |
| 793 | p = MKID(expr->Identifier); |
| 794 | OUT("static asn1_CHOICE_element_t asn1_DEF_%s_elements[] = {\n", p); |
| 795 | |
| 796 | elements = 0; |
| 797 | INDENTED(TQ_FOR(v, &(expr->members), next) { |
| 798 | if(v->expr_type != A1TC_EXTENSIBLE) { |
| 799 | if(comp_mode == 1) |
| 800 | v->marker = EM_OPTIONAL; |
| 801 | elements++; |
| 802 | } else { |
| 803 | if(comp_mode < 3) comp_mode++; |
| 804 | continue; |
| 805 | } |
| 806 | OUT("{ "); |
| 807 | p = MKID(expr->Identifier); |
| 808 | OUT("offsetof(struct %s, ", p); |
| 809 | p = MKID(v->Identifier); |
| 810 | if(!UNNAMED_UNIONS) OUT("choice."); |
| 811 | OUT("%s), ", p); |
| 812 | if(v->marker) { |
| 813 | OUT("1, /* Optional element */\n"); |
| 814 | } else { |
| 815 | OUT("0,\n"); |
| 816 | } |
| 817 | INDENT(+1); |
| 818 | if(C99_MODE) OUT(".tag = "); |
| 819 | _print_tag(arg, v, NULL); |
| 820 | OUT(",\n"); |
| 821 | if(C99_MODE) OUT(".tag_mode = "); |
| 822 | if(v->tag.tag_class) { |
| 823 | if(v->tag.tag_mode == TM_IMPLICIT) |
| 824 | OUT("-1,\t/* IMPLICIT tag at current level */\n"); |
| 825 | else |
| 826 | OUT("+1,\t/* EXPLICIT tag at current level */\n"); |
| 827 | } else { |
| 828 | OUT("0,\n"); |
| 829 | } |
| 830 | if(C99_MODE) OUT(".type = "); |
| 831 | OUT("(void *)&asn1_DEF_%s,\n", |
| 832 | asn1c_type_name(arg, v, TNF_SAFE)); |
| 833 | if(C99_MODE) OUT(".name = "); |
| 834 | OUT("\"%s\"\n", v->Identifier); |
| 835 | OUT("},\n"); |
| 836 | INDENT(-1); |
| 837 | }); |
| 838 | OUT("};\n"); |
| 839 | |
| 840 | p = MKID(expr->Identifier); |
| 841 | OUT("static ber_tlv_tag_t asn1_DEF_%s_tags[] = {\n", p); |
| 842 | if(arg->embed) { |
| 843 | /* |
| 844 | * Our parent structure has already taken this into account. |
| 845 | */ |
| 846 | } else { |
| 847 | INDENTED( |
| 848 | if(expr->tag.tag_class) { |
| 849 | _print_tag(arg, expr, &expr->tag); |
| 850 | if(expr->tag.tag_mode != TM_EXPLICIT) |
| 851 | tags_impl_skip++; |
| 852 | } |
| 853 | OUT("\n"); |
| 854 | ); |
| 855 | } |
| 856 | OUT("};\n"); |
| 857 | |
| 858 | /* |
| 859 | * Tags to elements map. |
| 860 | */ |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 861 | emit_tag2member_map(arg, tag2el, tag2el_count); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 862 | |
| 863 | OUT("static asn1_CHOICE_specifics_t asn1_DEF_%s_specs = {\n", p); |
| 864 | INDENTED( |
| 865 | OUT("sizeof(struct %s),\n", p); |
| 866 | OUT("offsetof(struct %s, _ber_dec_ctx),\n", p); |
| 867 | OUT("offsetof(struct %s, present),\n", p); |
| 868 | OUT("sizeof(((struct %s *)0)->present),\n", p); |
| 869 | OUT("asn1_DEF_%s_elements,\n", p); |
| 870 | OUT("%d,\t/* Elements count */\n", elements); |
| 871 | OUT("asn1_DEF_%s_tag2el,\n", p); |
| 872 | OUT("%d,\t/* Count of tags in the map */\n", tag2el_count); |
| 873 | OUT("%d\t/* Whether extensible */\n", extensible); |
| 874 | ); |
| 875 | OUT("};\n"); |
| 876 | OUT("asn1_TYPE_descriptor_t asn1_DEF_%s = {\n", p); |
| 877 | INDENTED( |
| 878 | OUT("\"%s\",\n", expr->Identifier); |
| 879 | OUT("CHOICE_constraint,\n"); |
| 880 | OUT("CHOICE_decode_ber,\n"); |
| 881 | OUT("CHOICE_encode_der,\n"); |
| 882 | OUT("CHOICE_print,\n"); |
| 883 | OUT("CHOICE_free,\n"); |
| 884 | OUT("CHOICE_outmost_tag,\n"); |
| 885 | OUT("asn1_DEF_%s_tags,\n", p); |
| 886 | OUT("sizeof(asn1_DEF_%s_tags)\n", p); |
| 887 | OUT("\t/sizeof(asn1_DEF_%s_tags[0]),\n", p); |
| 888 | OUT("%d,\t/* Tags to skip */\n", tags_impl_skip); |
| 889 | OUT("%d,\t/* Whether CONSTRUCTED */\n", 1); |
| 890 | OUT("&asn1_DEF_%s_specs\t/* Additional specs */\n", p); |
| 891 | ); |
| 892 | OUT("};\n"); |
| 893 | OUT("\n"); |
| 894 | |
| 895 | REDIR(OT_DEPS); |
| 896 | if(!arg->embed) |
| 897 | OUT("extern asn1_TYPE_descriptor_t asn1_DEF_%s;\n", p); |
| 898 | REDIR(OT_TYPE_DECLS); |
| 899 | |
| 900 | return 0; |
| 901 | } |
| 902 | |
| 903 | int |
| 904 | asn1c_lang_C_type_REFERENCE(arg_t *arg) { |
| 905 | asn1p_ref_t *ref; |
| 906 | |
| 907 | ref = arg->expr->reference; |
| 908 | if(ref->components[ref->comp_count-1].name[0] == '&') { |
| 909 | asn1p_module_t *mod; |
| 910 | asn1p_expr_t *extract; |
| 911 | arg_t tmp; |
| 912 | int ret; |
| 913 | |
| 914 | extract = asn1f_class_access_ex(arg->asn, arg->mod, arg->expr, |
| 915 | ref, &mod); |
| 916 | if(extract == NULL) |
| 917 | return -1; |
| 918 | |
| 919 | extract = asn1p_expr_clone(extract); |
| 920 | if(extract) { |
| 921 | if(extract->Identifier) |
| 922 | free(extract->Identifier); |
| 923 | extract->Identifier = strdup(arg->expr->Identifier); |
| 924 | if(extract->Identifier == NULL) { |
| 925 | asn1p_expr_free(extract); |
| 926 | return -1; |
| 927 | } |
| 928 | } else { |
| 929 | return -1; |
| 930 | } |
| 931 | |
| 932 | tmp = *arg; |
| 933 | tmp.asn = arg->asn; |
| 934 | tmp.mod = mod; |
| 935 | tmp.expr = extract; |
| 936 | |
| 937 | ret = arg->default_cb(&tmp); |
| 938 | |
| 939 | asn1p_expr_free(extract); |
| 940 | |
| 941 | return ret; |
| 942 | } |
| 943 | |
| 944 | |
| 945 | return asn1c_lang_C_type_SIMPLE_TYPE(arg); |
| 946 | } |
| 947 | |
| 948 | int |
| 949 | asn1c_lang_C_type_SIMPLE_TYPE(arg_t *arg) { |
| 950 | asn1p_expr_t *expr = arg->expr; |
| 951 | int tags_impl_skip = 0; |
| 952 | char *p; |
| 953 | |
| 954 | if(arg->embed) { |
| 955 | REDIR(OT_TYPE_DECLS); |
| 956 | |
| 957 | OUT("%s\t", asn1c_type_name(arg, arg->expr, |
| 958 | expr->marker?TNF_RSAFE:TNF_CTYPE)); |
| 959 | OUT("%s", expr->marker?"*":" "); |
| 960 | OUT("%s;", MKID(expr->Identifier)); |
| 961 | if(expr->marker) OUT("\t/* %s */", |
| 962 | (expr->marker==EM_OPTIONAL)?"OPTIONAL":"DEFAULT"); |
| 963 | OUT("\n"); |
| 964 | return 0; |
| 965 | } |
| 966 | |
| 967 | REDIR(OT_DEPS); |
| 968 | |
| 969 | OUT("#include <%s.h>\n", asn1c_type_name(arg, expr, TNF_INCLUDE)); |
| 970 | |
| 971 | REDIR(OT_TYPE_DECLS); |
| 972 | |
| 973 | OUT("typedef %s\t", asn1c_type_name(arg, arg->expr, TNF_CTYPE)); |
| 974 | OUT("%s", expr->marker?"*":" "); |
| 975 | OUT("%s_t;\n", MKID(expr->Identifier)); |
| 976 | OUT("\n"); |
| 977 | |
| 978 | REDIR(OT_STAT_DEFS); |
| 979 | |
| 980 | p = MKID(expr->Identifier); |
| 981 | OUT("static ber_tlv_tag_t asn1_DEF_%s_tags[] = {\n", p); |
| 982 | INDENTED( |
| 983 | if(expr->tag.tag_class) { |
| 984 | _print_tag(arg, expr, &expr->tag); |
| 985 | if(expr->tag.tag_mode != TM_EXPLICIT) |
| 986 | tags_impl_skip++; |
| 987 | } |
| 988 | if(!expr->tag.tag_class |
| 989 | || (expr->meta_type == AMT_TYPE |
| 990 | && expr->tag.tag_mode == TM_EXPLICIT)) { |
| 991 | struct asn1p_type_tag_s tag; |
| 992 | if(expr->tag.tag_class) |
| 993 | OUT(",\n"); |
| 994 | tag.tag_class = TC_UNIVERSAL; |
| 995 | tag.tag_mode = TM_IMPLICIT; |
| 996 | tag.tag_value = expr_type2uclass_value[expr->expr_type]; |
| 997 | _print_tag(arg, expr, &tag); |
| 998 | } |
| 999 | OUT("\n"); |
| 1000 | ); |
| 1001 | OUT("};\n"); |
| 1002 | |
| 1003 | OUT("asn1_TYPE_descriptor_t asn1_DEF_%s = {\n", p); |
| 1004 | INDENTED( |
| 1005 | OUT("\"%s\",\n", expr->Identifier); |
| 1006 | OUT("%s_constraint,\n", p); |
| 1007 | OUT("%s_decode_ber,\n", p); |
| 1008 | OUT("%s_encode_der,\n", p); |
| 1009 | OUT("%s_print,\n", p); |
| 1010 | OUT("%s_free,\n", p); |
| 1011 | OUT("0,\t/* Use generic outmost tag fetcher */\n"); |
| 1012 | OUT("asn1_DEF_%s_tags,\n", p); |
| 1013 | OUT("sizeof(asn1_DEF_%s_tags)\n", p); |
| 1014 | OUT("\t/sizeof(asn1_DEF_%s_tags[0]),\n", p); |
| 1015 | OUT("%d,\t/* Tags to skip */\n", tags_impl_skip); |
vlm | 94faa93 | 2004-06-05 08:46:50 +0000 | [diff] [blame] | 1016 | OUT("-0,\t/* Unknown yet */\n"); |
| 1017 | OUT("0\t/* No specifics */\n"); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1018 | ); |
| 1019 | OUT("};\n"); |
| 1020 | OUT("\n"); |
| 1021 | |
| 1022 | /* |
| 1023 | * Constraint checking. |
| 1024 | */ |
| 1025 | if(expr->constraints) /* Emit tables with FROM() constraints */ |
| 1026 | emit_alphabet_tables(arg, expr->constraints, 0); |
| 1027 | p = MKID(expr->Identifier); |
| 1028 | OUT("int\n"); |
| 1029 | OUT("%s_constraint(asn1_TYPE_descriptor_t *td, const void *sptr,\n", p); |
| 1030 | INDENTED( |
| 1031 | OUT("\t\tasn_app_consume_bytes_f *app_errlog, void *app_key) {\n"); |
| 1032 | OUT("\n"); |
| 1033 | if(expr->constraints) { |
| 1034 | |
| 1035 | emit_constraint_checking_code(arg); |
| 1036 | |
| 1037 | OUT("/* Check the constraints of the underlying type */\n"); |
| 1038 | OUT("return asn1_DEF_%s.check_constraints\n", |
| 1039 | asn1c_type_name(arg, expr, TNF_SAFE)); |
| 1040 | OUT("\t(td, sptr, app_errlog, app_key);\n"); |
| 1041 | } else { |
| 1042 | OUT("/* Make the underlying type checker permanent */\n"); |
| 1043 | OUT("td->check_constraints = asn1_DEF_%s.check_constraints;\n", |
| 1044 | asn1c_type_name(arg, expr, TNF_SAFE)); |
| 1045 | OUT("return td->check_constraints\n"); |
| 1046 | OUT("\t(td, sptr, app_errlog, app_key);\n"); |
| 1047 | } |
| 1048 | ); |
| 1049 | OUT("}\n"); |
| 1050 | OUT("\n"); |
| 1051 | |
| 1052 | /* |
| 1053 | * Emit suicidal functions. |
| 1054 | */ |
| 1055 | |
| 1056 | { |
| 1057 | /* |
| 1058 | * This function replaces certain fields from the definition |
| 1059 | * of a type with the corresponding fields from the basic type |
| 1060 | * (from which the current type is inherited). |
| 1061 | */ |
| 1062 | char *type_name = asn1c_type_name(arg, expr, TNF_SAFE); |
| 1063 | OUT("/*\n"); |
| 1064 | OUT(" * This type is implemented using %s,\n", type_name); |
| 1065 | OUT(" * so adjust the DEF appropriately.\n"); |
| 1066 | OUT(" */\n"); |
| 1067 | OUT("static void\n"); |
| 1068 | OUT("inherit_TYPE_descriptor(asn1_TYPE_descriptor_t *td) {\n"); |
| 1069 | INDENT(+1); |
| 1070 | OUT("td->ber_decoder = asn1_DEF_%s.ber_decoder;\n", type_name); |
| 1071 | OUT("td->der_encoder = asn1_DEF_%s.der_encoder;\n", type_name); |
| 1072 | OUT("td->free_struct = asn1_DEF_%s.free_struct;\n", type_name); |
| 1073 | OUT("td->print_struct = asn1_DEF_%s.print_struct;\n", type_name); |
| 1074 | OUT("td->last_tag_form = asn1_DEF_%s.last_tag_form;\n", type_name); |
| 1075 | OUT("td->specifics = asn1_DEF_%s.specifics;\n", type_name); |
| 1076 | INDENT(-1); |
| 1077 | OUT("}\n"); |
| 1078 | OUT("\n"); |
| 1079 | } |
| 1080 | |
| 1081 | p = MKID(expr->Identifier); |
| 1082 | OUT("ber_dec_rval_t\n"); |
| 1083 | OUT("%s_decode_ber(asn1_TYPE_descriptor_t *td,\n", p); |
| 1084 | INDENTED( |
| 1085 | OUT("\tvoid **structure, void *bufptr, size_t size, int tag_mode) {\n"); |
| 1086 | OUT("inherit_TYPE_descriptor(td);\n"); |
| 1087 | OUT("return td->ber_decoder(td, structure,\n"); |
| 1088 | OUT("\tbufptr, size, tag_mode);\n"); |
| 1089 | ); |
| 1090 | OUT("}\n"); |
| 1091 | OUT("\n"); |
| 1092 | |
| 1093 | p = MKID(expr->Identifier); |
| 1094 | OUT("der_enc_rval_t\n"); |
| 1095 | OUT("%s_encode_der(asn1_TYPE_descriptor_t *td,\n", p); |
| 1096 | INDENTED( |
| 1097 | OUT("\tvoid *structure, int tag_mode, ber_tlv_tag_t tag,\n"); |
| 1098 | OUT("\tasn_app_consume_bytes_f *cb, void *app_key) {\n"); |
| 1099 | OUT("inherit_TYPE_descriptor(td);\n"); |
| 1100 | OUT("return td->der_encoder(td, structure, tag_mode, tag, cb, app_key);\n"); |
| 1101 | ); |
| 1102 | OUT("}\n"); |
| 1103 | OUT("\n"); |
| 1104 | |
| 1105 | p = MKID(expr->Identifier); |
| 1106 | OUT("int\n"); |
| 1107 | OUT("%s_print(asn1_TYPE_descriptor_t *td, const void *struct_ptr,\n", p); |
| 1108 | INDENTED( |
| 1109 | OUT("\tint ilevel, asn_app_consume_bytes_f *cb, void *app_key) {\n"); |
| 1110 | OUT("inherit_TYPE_descriptor(td);\n"); |
| 1111 | OUT("return td->print_struct(td, struct_ptr, ilevel, cb, app_key);\n"); |
| 1112 | ); |
| 1113 | OUT("}\n"); |
| 1114 | OUT("\n"); |
| 1115 | |
| 1116 | p = MKID(expr->Identifier); |
| 1117 | OUT("void\n"); |
| 1118 | OUT("%s_free(asn1_TYPE_descriptor_t *td,\n", p); |
| 1119 | INDENTED( |
| 1120 | OUT("\tvoid *struct_ptr, int contents_only) {\n"); |
| 1121 | OUT("inherit_TYPE_descriptor(td);\n"); |
| 1122 | OUT("td->free_struct(td, struct_ptr, contents_only);\n"); |
| 1123 | ); |
| 1124 | OUT("}\n"); |
| 1125 | OUT("\n"); |
| 1126 | |
| 1127 | REDIR(OT_FUNC_DECLS); |
| 1128 | |
| 1129 | p = MKID(expr->Identifier); |
| 1130 | OUT("extern asn1_TYPE_descriptor_t asn1_DEF_%s;\n", p); |
| 1131 | OUT("asn_constr_check_f %s_constraint;\n", p); |
| 1132 | OUT("ber_type_decoder_f %s_decode_ber;\n", p); |
| 1133 | OUT("der_type_encoder_f %s_encode_der;\n", p); |
| 1134 | OUT("asn_struct_print_f %s_print;\n", p); |
| 1135 | OUT("asn_struct_free_f %s_free;\n", p); |
| 1136 | |
| 1137 | return 0; |
| 1138 | } |
| 1139 | |
| 1140 | int |
| 1141 | asn1c_lang_C_type_EXTENSIBLE(arg_t *arg) { |
| 1142 | |
| 1143 | OUT("/*\n"); |
| 1144 | OUT(" * This type is extensible,\n"); |
| 1145 | OUT(" * possible extensions are below.\n"); |
| 1146 | OUT(" */\n"); |
| 1147 | |
| 1148 | return 0; |
| 1149 | } |
| 1150 | |
| 1151 | static int |
| 1152 | _print_tag(arg_t *arg, asn1p_expr_t *expr, struct asn1p_type_tag_s *tag_p) { |
| 1153 | struct asn1p_type_tag_s tag; |
| 1154 | |
| 1155 | if(tag_p) { |
| 1156 | tag = *tag_p; |
| 1157 | } else { |
| 1158 | if(asn1f_fetch_tag(arg->asn, arg->mod, expr, &tag)) { |
| 1159 | OUT("-1 /* Ambiguous tag (CHOICE?) */"); |
| 1160 | return 0; |
| 1161 | } |
| 1162 | } |
| 1163 | |
| 1164 | OUT("("); |
| 1165 | switch(tag.tag_class) { |
| 1166 | case TC_UNIVERSAL: OUT("ASN_TAG_CLASS_UNIVERSAL"); break; |
| 1167 | case TC_APPLICATION: OUT("ASN_TAG_CLASS_APPLICATION"); break; |
| 1168 | case TC_CONTEXT_SPECIFIC: OUT("ASN_TAG_CLASS_CONTEXT"); break; |
| 1169 | case TC_PRIVATE: OUT("ASN_TAG_CLASS_PRIVATE"); break; |
| 1170 | case TC_NOCLASS: |
| 1171 | break; |
| 1172 | } |
| 1173 | OUT(" | (%lld << 2))", tag.tag_value); |
| 1174 | |
| 1175 | return 0; |
| 1176 | } |
| 1177 | |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 1178 | |
| 1179 | static int |
| 1180 | _tag2el_cmp(const void *ap, const void *bp) { |
| 1181 | const tag2el_t *a = ap; |
| 1182 | const tag2el_t *b = bp; |
| 1183 | const struct asn1p_type_tag_s *ta = &a->el_tag; |
| 1184 | const struct asn1p_type_tag_s *tb = &b->el_tag; |
| 1185 | |
| 1186 | if(ta->tag_class == tb->tag_class) { |
| 1187 | if(ta->tag_value == tb->tag_value) { |
| 1188 | /* |
| 1189 | * Sort by their respective positions. |
| 1190 | */ |
| 1191 | if(a->el_no < b->el_no) |
| 1192 | return -1; |
| 1193 | else if(a->el_no > b->el_no) |
| 1194 | return 1; |
| 1195 | return 0; |
| 1196 | } else if(ta->tag_value < tb->tag_value) |
| 1197 | return -1; |
| 1198 | else |
| 1199 | return 1; |
| 1200 | } else if(ta->tag_class < tb->tag_class) { |
| 1201 | return -1; |
| 1202 | } else { |
| 1203 | return 1; |
| 1204 | } |
| 1205 | } |
| 1206 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1207 | /* |
| 1208 | * For constructed types, number of external tags may be greater than |
| 1209 | * number of elements in the type because of CHOICE type. |
| 1210 | * T ::= SET { -- Three possible tags: |
| 1211 | * a INTEGER, -- One tag is here... |
| 1212 | * b Choice1 -- ... and two more tags are there. |
| 1213 | * } |
| 1214 | * Choice1 ::= CHOICE { |
| 1215 | * s1 IA5String, |
| 1216 | * s2 ObjectDescriptor |
| 1217 | * } |
| 1218 | */ |
| 1219 | static int |
| 1220 | _fill_tag2el_map(arg_t *arg, tag2el_t **tag2el, int *count, int el_no) { |
| 1221 | asn1p_expr_t *expr = arg->expr; |
| 1222 | arg_t tmparg = *arg; |
| 1223 | asn1p_expr_t *v; |
| 1224 | int element = 0; |
| 1225 | |
| 1226 | TQ_FOR(v, &(expr->members), next) { |
| 1227 | if(v->expr_type == A1TC_EXTENSIBLE) |
| 1228 | continue; |
| 1229 | |
| 1230 | tmparg.expr = v; |
| 1231 | |
| 1232 | if(_add_tag2el_member(&tmparg, tag2el, count, |
| 1233 | (el_no==-1)?element:el_no)) { |
| 1234 | return -1; |
| 1235 | } |
| 1236 | |
| 1237 | element++; |
| 1238 | } |
| 1239 | |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 1240 | /* |
vlm | c8aeab4 | 2004-06-14 13:09:45 +0000 | [diff] [blame^] | 1241 | * Sort the map according to canonical order of their tags |
| 1242 | * and element numbers. |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 1243 | */ |
| 1244 | qsort(*tag2el, *count, sizeof(**tag2el), _tag2el_cmp); |
| 1245 | |
vlm | c8aeab4 | 2004-06-14 13:09:45 +0000 | [diff] [blame^] | 1246 | /* |
| 1247 | * Initialize .toff_{first|last} members. |
| 1248 | */ |
| 1249 | if(*count) { |
| 1250 | struct asn1p_type_tag_s *cur_tag = 0; |
| 1251 | tag2el_t *cur = *tag2el; |
| 1252 | tag2el_t *end = cur + *count; |
| 1253 | int occur, i; |
| 1254 | for(occur = 0; cur < end; cur++) { |
| 1255 | if(cur_tag == 0 |
| 1256 | || cur_tag->tag_value != cur->el_tag.tag_value |
| 1257 | || cur_tag->tag_class != cur->el_tag.tag_class) { |
| 1258 | cur_tag = &cur->el_tag; |
| 1259 | occur = 0; |
| 1260 | } else { |
| 1261 | occur++; |
| 1262 | } |
| 1263 | cur->toff_first = -occur; |
| 1264 | for(i = 0; i >= -occur; i--) |
| 1265 | cur[i].toff_last = -i; |
| 1266 | } |
| 1267 | } |
| 1268 | |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1269 | return 0; |
| 1270 | } |
| 1271 | |
| 1272 | static int |
| 1273 | _add_tag2el_member(arg_t *arg, tag2el_t **tag2el, int *count, int el_no) { |
| 1274 | struct asn1p_type_tag_s tag; |
| 1275 | int ret; |
| 1276 | |
| 1277 | assert(el_no >= 0); |
| 1278 | |
| 1279 | ret = asn1f_fetch_tag(arg->asn, arg->mod, arg->expr, &tag); |
| 1280 | if(ret == 0) { |
| 1281 | void *p; |
| 1282 | p = realloc(*tag2el, sizeof(tag2el_t) * ((*count) + 1)); |
| 1283 | if(p) *tag2el = p; |
| 1284 | else return -1; |
| 1285 | |
| 1286 | DEBUG("Found tag for %s: %ld", |
| 1287 | arg->expr->Identifier, |
| 1288 | (long)tag.tag_value); |
| 1289 | |
| 1290 | (*tag2el)[*count].el_tag = tag; |
| 1291 | (*tag2el)[*count].el_no = el_no; |
| 1292 | (*tag2el)[*count].from_expr = arg->expr; |
| 1293 | (*count)++; |
| 1294 | return 0; |
| 1295 | } |
| 1296 | |
| 1297 | DEBUG("Searching tag in complex expression %s:%x at line %d", |
| 1298 | arg->expr->Identifier, |
| 1299 | arg->expr->expr_type, |
| 1300 | arg->expr->_lineno); |
| 1301 | |
| 1302 | /* |
| 1303 | * Iterate over members of CHOICE type. |
| 1304 | */ |
| 1305 | if(arg->expr->expr_type == ASN_CONSTR_CHOICE) { |
| 1306 | return _fill_tag2el_map(arg, tag2el, count, el_no); |
| 1307 | } |
| 1308 | |
| 1309 | if(arg->expr->expr_type == A1TC_REFERENCE) { |
| 1310 | arg_t tmp = *arg; |
| 1311 | asn1p_expr_t *expr; |
| 1312 | expr = asn1f_lookup_symbol_ex(tmp.asn, &tmp.mod, tmp.expr, |
| 1313 | arg->expr->reference); |
| 1314 | if(expr) { |
| 1315 | tmp.expr = expr; |
| 1316 | return _add_tag2el_member(&tmp, tag2el, count, el_no); |
| 1317 | } else { |
| 1318 | FATAL("Cannot dereference %s at line %d", |
| 1319 | arg->expr->Identifier, |
| 1320 | arg->expr->_lineno); |
| 1321 | return -1; |
| 1322 | } |
| 1323 | } |
| 1324 | |
| 1325 | DEBUG("No tag for %s at line %d", |
| 1326 | arg->expr->Identifier, |
| 1327 | arg->expr->_lineno); |
| 1328 | |
| 1329 | return -1; |
| 1330 | } |
| 1331 | |
| 1332 | static int |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 1333 | emit_tag2member_map(arg_t *arg, tag2el_t *tag2el, int tag2el_count) { |
| 1334 | asn1p_expr_t *expr = arg->expr; |
| 1335 | |
| 1336 | OUT("static asn1_TYPE_tag2member_t asn1_DEF_%s_tag2el[] = {\n", |
| 1337 | MKID(expr->Identifier)); |
| 1338 | if(tag2el_count) { |
| 1339 | int i; |
| 1340 | for(i = 0; i < tag2el_count; i++) { |
| 1341 | OUT(" { "); |
| 1342 | _print_tag(arg, expr, &tag2el[i].el_tag); |
| 1343 | OUT(", "); |
vlm | c8aeab4 | 2004-06-14 13:09:45 +0000 | [diff] [blame^] | 1344 | OUT("%d, ", tag2el[i].el_no); |
| 1345 | OUT("%d, ", tag2el[i].toff_first); |
| 1346 | OUT("%d ", tag2el[i].toff_last); |
vlm | 4e03ce2 | 2004-06-06 07:20:17 +0000 | [diff] [blame] | 1347 | OUT("}, /* %s at %d */\n", |
| 1348 | tag2el[i].from_expr->Identifier, |
| 1349 | tag2el[i].from_expr->_lineno |
| 1350 | ); |
| 1351 | } |
| 1352 | } |
| 1353 | OUT("};\n"); |
| 1354 | |
| 1355 | return 0;; |
| 1356 | } |
| 1357 | |
| 1358 | static int |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1359 | emit_constraint_checking_code(arg_t *arg) { |
| 1360 | asn1p_expr_t *expr = arg->expr; |
| 1361 | asn1p_expr_type_e etype; |
| 1362 | int size_present, value_present; |
| 1363 | |
| 1364 | if(expr->constraints == NULL) |
| 1365 | return 0; /* No constraints defined */ |
| 1366 | |
| 1367 | etype = _find_terminal_type(arg); |
| 1368 | |
| 1369 | size_present = check_constraint_type_presence(expr->constraints, |
| 1370 | ACT_CT_SIZE); |
| 1371 | value_present = check_constraint_type_presence(expr->constraints, |
| 1372 | ACT_EL_VALUE); |
| 1373 | |
| 1374 | if(size_present || value_present) { |
vlm | aaec3ef | 2004-06-03 04:35:44 +0000 | [diff] [blame] | 1375 | OUT("const %s_t *st = sptr;\n", MKID(arg->expr->Identifier)); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1376 | if(size_present) { |
| 1377 | OUT("size_t size;\n"); |
| 1378 | OUT("size_t min_size __attribute__ ((unused)) = %ld;\n", |
| 1379 | compute_min_size(arg)); |
| 1380 | OUT("size_t max_size __attribute__ ((unused)) = %ld;\n", |
| 1381 | compute_max_size(arg)); |
| 1382 | } |
| 1383 | if(value_present) |
| 1384 | switch(etype) { |
| 1385 | case ASN_BASIC_INTEGER: |
| 1386 | case ASN_BASIC_ENUMERATED: |
| 1387 | OUT("long value;\n"); |
| 1388 | break; |
| 1389 | case ASN_BASIC_BOOLEAN: |
| 1390 | OUT("int value;\n"); |
| 1391 | break; |
| 1392 | default: |
| 1393 | break; |
| 1394 | } |
| 1395 | OUT("\n"); |
| 1396 | } |
| 1397 | |
| 1398 | OUT("if(!sptr) {\n"); |
| 1399 | INDENT(+1); |
| 1400 | OUT("_ASN_ERRLOG(\"%%s: value not given\", td->name);\n"); |
| 1401 | OUT("return -1;\n"); |
| 1402 | INDENT(-1); |
| 1403 | OUT("}\n"); |
| 1404 | OUT("\n"); |
| 1405 | |
| 1406 | if(size_present) |
| 1407 | emit_size_determination_code(arg); |
| 1408 | if(value_present) |
| 1409 | emit_value_determination_code(arg); |
| 1410 | |
| 1411 | OUT("\n"); |
| 1412 | OUT("if(\n"); |
| 1413 | emit_single_constraint_check(arg, expr->constraints, 0); |
| 1414 | OUT(") {\n"); |
| 1415 | INDENTED(OUT("/* Constraint check succeeded */\n")); |
| 1416 | OUT("} else {\n"); |
| 1417 | INDENT(+1); |
| 1418 | OUT("_ASN_ERRLOG(\"%%s: constraint failed\", td->name);\n"); |
| 1419 | OUT("return -1;\n"); |
| 1420 | INDENT(-1); |
| 1421 | OUT("}\n"); |
| 1422 | |
| 1423 | return 0; |
| 1424 | } |
| 1425 | |
| 1426 | static int |
| 1427 | emit_single_constraint_check(arg_t *arg, asn1p_constraint_t *ct, int mode) { |
| 1428 | char *s_v; |
| 1429 | int el; |
| 1430 | |
| 1431 | assert(arg && ct); |
| 1432 | |
| 1433 | switch(ct->type) { |
| 1434 | case ACT_INVALID: |
| 1435 | assert(ct->type != ACT_INVALID); |
| 1436 | OUT("-1 /* Invalid constraint at line %d */\n", ct->_lineno); |
| 1437 | break; |
| 1438 | case ACT_EL_VALUE: |
| 1439 | OUT("("); |
| 1440 | if(mode == ACT_CT_SIZE) s_v = "size"; |
| 1441 | else s_v = "value"; |
| 1442 | OUT("%s", s_v); |
| 1443 | if(ct->value->type != ATV_TRUE) |
| 1444 | OUT(" == "); |
| 1445 | switch(ct->value->type) { |
| 1446 | case ATV_INTEGER: OUT("%lld", |
| 1447 | (long long)ct->value->value.v_integer); break; |
| 1448 | case ATV_MIN: OUT("min_%s", s_v); break; |
| 1449 | case ATV_MAX: OUT("max_%s", s_v); break; |
| 1450 | case ATV_FALSE: OUT("0"); break; |
| 1451 | case ATV_TRUE: break; |
| 1452 | default: |
| 1453 | break; |
| 1454 | } |
| 1455 | OUT(")\n"); |
| 1456 | break; |
| 1457 | case ACT_EL_RANGE: |
| 1458 | case ACT_EL_LLRANGE: |
| 1459 | case ACT_EL_RLRANGE: |
| 1460 | case ACT_EL_ULRANGE: |
| 1461 | if(mode == ACT_CT_SIZE) { |
| 1462 | s_v = "size"; |
| 1463 | } else { |
| 1464 | s_v = "value"; |
| 1465 | } |
| 1466 | OUT("((%s", s_v); |
| 1467 | switch(ct->type) { |
| 1468 | case ACT_EL_RANGE: |
| 1469 | case ACT_EL_RLRANGE: |
| 1470 | OUT(" >= "); break; |
| 1471 | case ACT_EL_LLRANGE: |
| 1472 | case ACT_EL_ULRANGE: |
| 1473 | OUT(" > "); break; |
| 1474 | default: break; |
| 1475 | } |
| 1476 | switch(ct->range_start->type) { |
| 1477 | case ATV_INTEGER: OUT("%lld", |
| 1478 | (long long)ct->range_start->value.v_integer); break; |
| 1479 | case ATV_MIN: OUT("min_%s", s_v); break; |
| 1480 | case ATV_MAX: OUT("max_%s", s_v); break; |
| 1481 | case ATV_FALSE: OUT("0"); break; |
| 1482 | case ATV_TRUE: break; |
| 1483 | default: |
| 1484 | break; |
| 1485 | } |
| 1486 | OUT(") && (%s", s_v); |
| 1487 | switch(ct->type) { |
| 1488 | case ACT_EL_RANGE: |
| 1489 | case ACT_EL_LLRANGE: |
| 1490 | OUT(" <= "); break; |
| 1491 | case ACT_EL_RLRANGE: |
| 1492 | case ACT_EL_ULRANGE: |
| 1493 | OUT(" < "); break; |
| 1494 | default: break; |
| 1495 | } |
| 1496 | switch(ct->range_stop->type) { |
| 1497 | case ATV_INTEGER: OUT("%lld", |
| 1498 | (long long)ct->range_stop->value.v_integer); break; |
| 1499 | case ATV_MIN: OUT("min_%s", s_v); break; |
| 1500 | case ATV_MAX: OUT("max_%s", s_v); break; |
| 1501 | case ATV_FALSE: OUT("0"); break; |
| 1502 | case ATV_TRUE: break; |
| 1503 | default: |
| 1504 | break; |
| 1505 | } |
| 1506 | OUT("))\n"); |
| 1507 | break; |
| 1508 | case ACT_EL_EXT: |
| 1509 | OUT("0 /* Extensible (...), but not defined herein */\n"); |
| 1510 | break; |
| 1511 | case ACT_CT_SIZE: |
| 1512 | if(mode) { |
| 1513 | OUT("0 /* Invalid constraint at line %d */\n", |
| 1514 | ct->_lineno); |
| 1515 | return -1; |
| 1516 | } |
| 1517 | assert(ct->el_count == 1); |
| 1518 | return emit_single_constraint_check(arg, |
| 1519 | ct->elements[0], ACT_CT_SIZE); |
| 1520 | case ACT_CT_FROM: |
| 1521 | if(mode) { |
| 1522 | OUT("0 /* Invalid constraint at line %d */\n", |
| 1523 | ct->_lineno); |
| 1524 | return -1; |
| 1525 | } |
| 1526 | OUT("check_alphabet_%x(sptr)\n", ct); |
| 1527 | break; |
| 1528 | case ACT_CT_WCOMP: |
| 1529 | case ACT_CT_WCOMPS: |
| 1530 | OUT("%d /* Unsupported constraint at line %d */\n", |
| 1531 | ct->type, ct->_lineno); |
| 1532 | return -1; |
| 1533 | break; |
| 1534 | case ACT_CA_SET: |
| 1535 | OUT("(\n"); |
| 1536 | INDENT(+1); |
| 1537 | for(el = 0; el < ct->el_count; el++) { |
| 1538 | if(el) OUT("&& "); |
| 1539 | emit_single_constraint_check(arg, |
| 1540 | ct->elements[el], mode); |
| 1541 | } |
| 1542 | INDENT(-1); |
| 1543 | OUT(")\n"); |
| 1544 | break; |
| 1545 | case ACT_CA_CSV: |
| 1546 | OUT("(\n"); |
| 1547 | INDENT(+1); |
| 1548 | for(el = 0; el < ct->el_count; el++) { |
| 1549 | if(el) OUT("|| "); |
| 1550 | emit_single_constraint_check(arg, |
| 1551 | ct->elements[el], mode); |
| 1552 | } |
| 1553 | INDENT(-1); |
| 1554 | OUT(")\n"); |
| 1555 | break; |
| 1556 | case ACT_CA_UNI: |
| 1557 | OUT("(\n"); |
| 1558 | INDENT(+1); |
| 1559 | for(el = 0; el < ct->el_count; el++) { |
| 1560 | if(el) OUT("|| "); |
| 1561 | emit_single_constraint_check(arg, |
| 1562 | ct->elements[el], mode); |
| 1563 | } |
| 1564 | INDENT(-1); |
| 1565 | OUT(")\n"); |
| 1566 | break; |
| 1567 | case ACT_CA_INT: |
| 1568 | OUT("(\n"); |
| 1569 | INDENT(+1); |
| 1570 | for(el = 0; el < ct->el_count; el++) { |
| 1571 | if(el) OUT("&& "); |
| 1572 | emit_single_constraint_check(arg, |
| 1573 | ct->elements[el], mode); |
| 1574 | } |
| 1575 | INDENT(-1); |
| 1576 | OUT(")\n"); |
| 1577 | break; |
| 1578 | case ACT_CA_CRC: |
| 1579 | WARNING("Unsupported component relation constraint at line %d", |
| 1580 | ct->_lineno); |
| 1581 | OUT("%d /* Unsupported component relation constraint " |
| 1582 | "at line %d */\n", |
| 1583 | ct->type, ct->_lineno); |
| 1584 | return -1; |
| 1585 | case ACT_CA_EXC: |
| 1586 | WARNING("Unsupported EXCEPT constraint at line %d", |
| 1587 | ct->_lineno); |
| 1588 | OUT("%d /* Unsupported EXCEPT constraint at line %d */\n", |
| 1589 | ct->type, ct->_lineno); |
| 1590 | return -1; |
| 1591 | } |
| 1592 | |
| 1593 | return 0; |
| 1594 | } |
| 1595 | |
| 1596 | static int |
| 1597 | check_constraint_type_presence(asn1p_constraint_t *ct, enum asn1p_constraint_type_e type) { |
| 1598 | int el; |
| 1599 | |
| 1600 | if(ct == NULL) return 0; |
| 1601 | |
| 1602 | if(ct->type == type) return 1; |
| 1603 | |
| 1604 | if(type == ACT_EL_VALUE) { |
| 1605 | if(ct->type >= ACT_CT_SIZE |
| 1606 | && ct->type <= ACT_CT_WCOMPS) |
| 1607 | /* Values defined further |
| 1608 | * are not really value's values */ |
| 1609 | return 0; |
| 1610 | if(ct->type > ACT_EL_VALUE && ct->type < ACT_CT_SIZE) |
| 1611 | return 1; /* Also values */ |
| 1612 | } |
| 1613 | |
| 1614 | for(el = 0; el < ct->el_count; el++) { |
| 1615 | if(check_constraint_type_presence(ct->elements[el], type)) |
| 1616 | return 1; |
| 1617 | } |
| 1618 | |
| 1619 | return 0; |
| 1620 | } |
| 1621 | |
| 1622 | static int |
| 1623 | emit_alphabet_tables(arg_t *arg, asn1p_constraint_t *ct, int *table) { |
| 1624 | int ch = 0; |
| 1625 | int ch_start = 0; |
| 1626 | int ch_stop = 0; |
| 1627 | int el = 0; |
| 1628 | |
| 1629 | assert(arg && ct); |
| 1630 | |
| 1631 | switch(ct->type) { |
| 1632 | case ACT_INVALID: |
| 1633 | break; |
| 1634 | case ACT_EL_VALUE: |
| 1635 | if(!table) break; |
| 1636 | |
| 1637 | switch(ct->value->type) { |
| 1638 | case ATV_INTEGER: |
| 1639 | if(ct->value->value.v_integer < 0 |
| 1640 | || ct->value->value.v_integer > 255) { |
| 1641 | OUT("\n"); |
| 1642 | OUT("#error Value %lld out of range " |
| 1643 | "for alphabet character at line %d\n", |
| 1644 | (long long)ct->value->value.v_integer, |
| 1645 | ct->_lineno); |
| 1646 | break; |
| 1647 | } else { |
| 1648 | ch = ct->value->value.v_integer; |
| 1649 | table[ch] = 1; |
| 1650 | } |
| 1651 | break; |
| 1652 | case ATV_STRING: |
| 1653 | for(ch = 0; ch < ct->value->value.string.size; ch++) |
| 1654 | table[ct->value->value.string.buf[ch]] = 1; |
| 1655 | break; |
| 1656 | default: |
| 1657 | OUT("\n"); |
| 1658 | WARNING("Invalid alphabet character specification " |
| 1659 | "at line %d", ct->_lineno); |
| 1660 | OUT("#error Invalid alphabet character specification " |
| 1661 | "at line %d\n", ct->_lineno); |
| 1662 | break; |
| 1663 | } |
| 1664 | break; |
| 1665 | case ACT_EL_RANGE: |
| 1666 | case ACT_EL_LLRANGE: |
| 1667 | case ACT_EL_RLRANGE: |
| 1668 | case ACT_EL_ULRANGE: |
| 1669 | if(!table) break; |
| 1670 | |
| 1671 | ch_start = 0; |
| 1672 | ch_stop = 255; |
| 1673 | |
| 1674 | switch(ct->range_start->type) { |
| 1675 | case ATV_INTEGER: |
| 1676 | ch_start = ct->range_start->value.v_integer; break; |
| 1677 | case ATV_MIN: ch_start = 0; break; |
| 1678 | case ATV_MAX: ch_start = 255; break; |
| 1679 | case ATV_STRING: |
| 1680 | if(ct->range_start->value.string.size == 1) { |
| 1681 | ch_start = ct->range_start->value.string.buf[0]; |
| 1682 | break; |
| 1683 | } |
| 1684 | /* Fall through */ |
| 1685 | default: |
| 1686 | OUT("\n"); |
| 1687 | FATAL("Invalid alphabet range constraint " |
| 1688 | "at line %d\n", ct->_lineno); |
| 1689 | OUT("#error Invalid alphabet range constraint " |
| 1690 | "at line %d\n", ct->_lineno); |
| 1691 | return -1; |
| 1692 | } |
| 1693 | |
| 1694 | switch(ct->range_stop->type) { |
| 1695 | case ATV_INTEGER: |
| 1696 | ch_stop = ct->range_stop->value.v_integer; break; |
| 1697 | case ATV_MIN: ch_stop = 0; break; |
| 1698 | case ATV_MAX: ch_stop = 255; break; |
| 1699 | case ATV_STRING: |
| 1700 | if(ct->range_stop->value.string.size == 1) { |
| 1701 | ch_stop = ct->range_stop->value.string.buf[0]; |
| 1702 | break; |
| 1703 | } |
| 1704 | /* Fall through */ |
| 1705 | default: |
| 1706 | OUT("\n"); |
| 1707 | FATAL("Invalid alphabet range constraint " |
| 1708 | "at line %d\n", ct->_lineno); |
| 1709 | OUT("#error Invalid alphabet range constraint " |
| 1710 | "at line %d\n", ct->_lineno); |
| 1711 | break; |
| 1712 | } |
| 1713 | |
| 1714 | switch(ct->type) { |
| 1715 | case ACT_EL_RANGE: break; |
| 1716 | case ACT_EL_RLRANGE: ch_stop--; break; |
| 1717 | case ACT_EL_LLRANGE: ch_start++; break; |
| 1718 | case ACT_EL_ULRANGE: ch_start++; ch_stop--; break; |
| 1719 | default: break; |
| 1720 | } |
| 1721 | |
| 1722 | if(ch_start > ch_stop) { |
| 1723 | WARNING("Empty character range " |
| 1724 | "alphabet constraint at line %d", ct->_lineno); |
| 1725 | OUT("#warning Empty character range " |
| 1726 | "alphabet constraint at line %d\n", ct->_lineno); |
| 1727 | break; |
| 1728 | } |
| 1729 | |
| 1730 | for(ch = ch_start; ch <= ch_stop; ch++) { |
| 1731 | if(ch < 0 || ch > 255) continue; |
| 1732 | table[ch] = 1; |
| 1733 | } |
| 1734 | |
| 1735 | break; |
| 1736 | case ACT_EL_EXT: |
| 1737 | break; |
| 1738 | case ACT_CT_SIZE: |
| 1739 | break; |
| 1740 | case ACT_CT_FROM: |
| 1741 | if(table) { |
| 1742 | OUT("#error Nested FROM in subtype constraints\n"); |
| 1743 | return -1; |
| 1744 | } else { |
| 1745 | table = alloca(256 * sizeof(table[0])); |
| 1746 | memset(table, 0, 256 * sizeof(table[0])); |
| 1747 | |
| 1748 | for(el = 0; el < ct->el_count; el++) { |
| 1749 | emit_alphabet_tables(arg, ct->elements[el], |
| 1750 | table); |
| 1751 | } |
| 1752 | OUT("static int alphabet_table_%x[256] = {\n", ct); |
| 1753 | for(ch = 0; ch < 256; ch++) { |
| 1754 | OUT("%d,", table[ch]?1:0); |
| 1755 | if(!((ch+1) % 16)) { |
| 1756 | if(ch) { |
| 1757 | int c; |
| 1758 | OUT("\t/* "); |
| 1759 | for(c = ch - 16; c < ch; c++) { |
| 1760 | if(table[c]) { |
| 1761 | if(c > 0x20 |
| 1762 | && c < 0x80) |
| 1763 | OUT("%c", c); |
| 1764 | else |
| 1765 | OUT(".", c); |
| 1766 | } else { |
| 1767 | OUT(" "); |
| 1768 | } |
| 1769 | } |
| 1770 | OUT(" */"); |
| 1771 | } |
| 1772 | OUT("\n"); |
| 1773 | } |
| 1774 | } |
| 1775 | OUT("};\n"); |
vlm | 27c7df0 | 2004-06-03 05:18:55 +0000 | [diff] [blame] | 1776 | OUT("static int check_alphabet_%x(const void *sptr) {\n", ct); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1777 | INDENT(+1); |
| 1778 | OUT("int *table = alphabet_table_%x;\n", ct); |
| 1779 | emit_alphabet_check_cycle(arg); |
| 1780 | OUT("return 1;\n"); |
| 1781 | INDENT(-1); |
| 1782 | OUT("};\n"); |
| 1783 | } |
| 1784 | break; |
| 1785 | case ACT_CT_WCOMP: |
| 1786 | case ACT_CT_WCOMPS: |
| 1787 | break; |
| 1788 | case ACT_CA_CRC: |
| 1789 | break; |
| 1790 | case ACT_CA_SET: |
| 1791 | case ACT_CA_CSV: |
| 1792 | case ACT_CA_UNI: |
| 1793 | for(el = 0; el < ct->el_count; el++) |
| 1794 | emit_alphabet_tables(arg, ct->elements[el], table); |
| 1795 | break; |
| 1796 | case ACT_CA_INT: |
| 1797 | if(table) { |
| 1798 | int table2[256]; |
| 1799 | |
| 1800 | assert(ct->el_count >= 1); |
| 1801 | emit_alphabet_tables(arg, ct->elements[0], table); |
| 1802 | for(el = 1; el < ct->el_count; el++) { |
| 1803 | memset(table2, 0, sizeof(table2)); |
| 1804 | emit_alphabet_tables(arg, |
| 1805 | ct->elements[el], table2); |
| 1806 | /* Intersection */ |
| 1807 | for(ch = 0; ch < 256; ch++) { |
| 1808 | if(table2[ch] == 0) |
| 1809 | table[ch] = 0; |
| 1810 | } |
| 1811 | } |
| 1812 | } else { |
| 1813 | for(el = 0; el < ct->el_count; el++) |
| 1814 | emit_alphabet_tables(arg, ct->elements[el], 0); |
| 1815 | } |
| 1816 | |
| 1817 | break; |
| 1818 | case ACT_CA_EXC: |
| 1819 | OUT("EXC\n"); |
| 1820 | if(table) { |
| 1821 | int table2[256]; |
| 1822 | |
| 1823 | assert(ct->el_count >= 1); |
| 1824 | emit_alphabet_tables(arg, ct->elements[0], table); |
| 1825 | for(el = 1; el < ct->el_count; el++) { |
| 1826 | memset(table2, 0, sizeof(table2)); |
| 1827 | emit_alphabet_tables(arg, |
| 1828 | ct->elements[el], table2); |
| 1829 | /* Exclusion */ |
| 1830 | for(ch = 0; ch < 256; ch++) { |
| 1831 | if(table2[ch]) |
| 1832 | table[ch] = 0; |
| 1833 | } |
| 1834 | } |
| 1835 | } else { |
| 1836 | for(el = 0; el < ct->el_count; el++) |
| 1837 | emit_alphabet_tables(arg, ct->elements[el], 0); |
| 1838 | } |
| 1839 | break; |
| 1840 | } |
| 1841 | |
| 1842 | return 0; |
| 1843 | } |
| 1844 | |
| 1845 | static int |
| 1846 | emit_alphabet_check_cycle(arg_t *arg) { |
| 1847 | asn1p_expr_type_e etype; |
| 1848 | |
| 1849 | etype = _find_terminal_type(arg); |
| 1850 | if(!(etype & ASN_STRING_MASK) |
| 1851 | && !(etype == ASN_BASIC_OCTET_STRING)) { |
| 1852 | OUT("#error Cannot apply FROM constraint to ASN.1 type %s\n", |
| 1853 | ASN_EXPR_TYPE2STR(etype)); |
| 1854 | return -1; |
| 1855 | } |
| 1856 | |
| 1857 | OUT("/* The underlying type is %s */\n", |
| 1858 | ASN_EXPR_TYPE2STR(etype)); |
vlm | aaec3ef | 2004-06-03 04:35:44 +0000 | [diff] [blame] | 1859 | OUT("const %s_t *st = sptr;\n", MKID(arg->expr->Identifier)); |
vlm | fa67ddc | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1860 | |
| 1861 | switch(etype) { |
| 1862 | case ASN_STRING_UTF8String: |
| 1863 | OUT("uint8_t *ch = st->buf;\n"); |
| 1864 | OUT("uint8_t *end = ch + st->size;\n"); |
| 1865 | OUT("\n"); |
| 1866 | OUT("for(; ch < end; ch++) {\n"); |
| 1867 | INDENT(+1); |
| 1868 | OUT("if(*ch >= 0x80 || !table[*ch]) return 0;\n"); |
| 1869 | INDENT(-1); |
| 1870 | OUT("}\n"); |
| 1871 | break; |
| 1872 | case ASN_STRING_UniversalString: |
| 1873 | OUT("uint32_t *ch = st->buf;\n"); |
| 1874 | OUT("uint32_t *end = ch + st->size;\n"); |
| 1875 | OUT("\n"); |
| 1876 | OUT("for(; ch < end; ch++) {\n"); |
| 1877 | INDENT(+1); |
| 1878 | OUT("uint32_t wc = (((uint8_t *)ch)[0] << 24)\n"); |
| 1879 | OUT("\t\t| (((uint8_t *)ch)[1] << 16)\n"); |
| 1880 | OUT("\t\t| (((uint8_t *)ch)[2] << 8)\n"); |
| 1881 | OUT("\t\t| ((uint8_t *)ch)[3]\n"); |
| 1882 | OUT("if(wc > 255 || !table[wc]) return 0;\n"); |
| 1883 | INDENT(-1); |
| 1884 | OUT("}\n"); |
| 1885 | OUT("if(ch != end) return 0; /* (size%4)! */\n"); |
| 1886 | break; |
| 1887 | case ASN_STRING_BMPString: |
| 1888 | OUT("uint16_t *ch = st->buf;\n"); |
| 1889 | OUT("uint16_t *end = ch + st->size;\n"); |
| 1890 | OUT("\n"); |
| 1891 | OUT("for(; ch < end; ch++) {\n"); |
| 1892 | INDENT(+1); |
| 1893 | OUT("uint16_t wc = (((uint8_t *)ch)[0] << 8)\n"); |
| 1894 | OUT("\t\t| ((uint8_t *)ch)[1];\n"); |
| 1895 | OUT("if(wc > 255 || !table[wc]) return 0;\n"); |
| 1896 | INDENT(-1); |
| 1897 | OUT("}\n"); |
| 1898 | OUT("if(ch != end) return 0; /* (size%2)! */\n"); |
| 1899 | break; |
| 1900 | case ASN_BASIC_OCTET_STRING: |
| 1901 | default: |
| 1902 | OUT("uint8_t *ch = st->buf;\n"); |
| 1903 | OUT("uint8_t *end = ch + st->size;\n"); |
| 1904 | OUT("\n"); |
| 1905 | OUT("for(; ch < end; ch++) {\n"); |
| 1906 | INDENT(+1); |
| 1907 | OUT("if(!table[*ch]) return 0;\n"); |
| 1908 | INDENT(-1); |
| 1909 | OUT("}\n"); |
| 1910 | break; |
| 1911 | } |
| 1912 | |
| 1913 | return 0; |
| 1914 | } |
| 1915 | |
| 1916 | static int |
| 1917 | emit_size_determination_code(arg_t *arg) { |
| 1918 | asn1p_expr_type_e etype = _find_terminal_type(arg); |
| 1919 | |
| 1920 | switch(etype) { |
| 1921 | case ASN_BASIC_BIT_STRING: |
| 1922 | OUT("if(st->size > 0) {\n"); |
| 1923 | OUT("\t/* Size in bits */\n"); |
| 1924 | OUT("\tsize = (st->size - 1) - (st->buf[0] & 0x7);\n"); |
| 1925 | OUT("} else {\n"); |
| 1926 | OUT("\tsize = 0;\n"); |
| 1927 | OUT("}\n"); |
| 1928 | break; |
| 1929 | case ASN_STRING_UniversalString: |
| 1930 | OUT("size = st->size >> 2;\t/* 4 byte per character */\n"); |
| 1931 | break; |
| 1932 | case ASN_STRING_BMPString: |
| 1933 | OUT("size = st->size >> 1;\t/* 2 byte per character */\n"); |
| 1934 | break; |
| 1935 | case ASN_STRING_UTF8String: |
| 1936 | OUT("size = UTF8String_length(st, td->name, app_errlog, app_key);\n"); |
| 1937 | OUT("if(size == (size_t)-1) return -1;\n"); |
| 1938 | break; |
| 1939 | default: |
| 1940 | if((etype & ASN_STRING_MASK) |
| 1941 | || etype == ASN_BASIC_OCTET_STRING) { |
| 1942 | OUT("size = st->size;\n"); |
| 1943 | break; |
| 1944 | } else { |
| 1945 | WARNING("Size operation is not defined for %s", |
| 1946 | ASN_EXPR_TYPE2STR(etype)); |
| 1947 | OUT("#warning Size operation not defined!\n"); |
| 1948 | OUT("size = st->size;\n"); |
| 1949 | } |
| 1950 | return -1; |
| 1951 | } |
| 1952 | |
| 1953 | return 0; |
| 1954 | } |
| 1955 | |
| 1956 | static int |
| 1957 | emit_value_determination_code(arg_t *arg) { |
| 1958 | asn1p_expr_type_e etype = _find_terminal_type(arg); |
| 1959 | |
| 1960 | switch(etype) { |
| 1961 | case ASN_BASIC_INTEGER: |
| 1962 | case ASN_BASIC_ENUMERATED: |
| 1963 | OUT("if(asn1_INTEGER2long(st, &value)) {\n"); |
| 1964 | INDENT(+1); |
| 1965 | OUT("_ASN_ERRLOG(\"%%s: value too large\", td->name);\n"); |
| 1966 | OUT("return -1;\n"); |
| 1967 | INDENT(-1); |
| 1968 | OUT("}\n"); |
| 1969 | break; |
| 1970 | case ASN_BASIC_BOOLEAN: |
| 1971 | OUT("value = st->value;\n"); |
| 1972 | break; |
| 1973 | default: |
| 1974 | WARNING("Value cannot be determined " |
| 1975 | "for constraint check for %s at line %d\n", |
| 1976 | arg->expr->Identifier, arg->expr->_lineno); |
| 1977 | OUT("#error Value cannot be determined for %s at %d\n", |
| 1978 | arg->expr->Identifier, arg->expr->_lineno); |
| 1979 | break; |
| 1980 | } |
| 1981 | |
| 1982 | return 0; |
| 1983 | } |
| 1984 | |
| 1985 | static long compute_min_size(arg_t *arg) { return compute_xxx_size(arg, 0); } |
| 1986 | static long compute_max_size(arg_t *arg) { return compute_xxx_size(arg, 1); } |
| 1987 | |
| 1988 | static long compute_xxx_size(arg_t *arg, int _max) { |
| 1989 | asn1p_expr_type_e etype; |
| 1990 | long basic_max = 0x7fffffff; |
| 1991 | long basic_min = 0x80000000; |
| 1992 | long svalue = 0; |
| 1993 | |
| 1994 | etype = _find_terminal_type(arg); |
| 1995 | switch(etype) { |
| 1996 | case ASN_BASIC_BIT_STRING: |
| 1997 | svalue = _max?basic_max/8:0; |
| 1998 | break; |
| 1999 | case ASN_STRING_UTF8String: |
| 2000 | svalue = _max?basic_max/6:0; |
| 2001 | break; |
| 2002 | case ASN_STRING_UniversalString: |
| 2003 | svalue = _max?basic_max/4:0; |
| 2004 | break; |
| 2005 | case ASN_STRING_BMPString: |
| 2006 | svalue = _max?basic_max/2:0; |
| 2007 | break; |
| 2008 | case ASN_BASIC_OCTET_STRING: |
| 2009 | svalue = _max?basic_max:0; |
| 2010 | break; |
| 2011 | default: |
| 2012 | if((etype & ASN_STRING_MASK)) { |
| 2013 | svalue = _max?basic_max:0; |
| 2014 | break; |
| 2015 | } |
| 2016 | svalue = _max?basic_max:basic_min; |
| 2017 | break; |
| 2018 | } |
| 2019 | |
| 2020 | return svalue; |
| 2021 | } |
| 2022 | |
| 2023 | static asn1p_expr_type_e |
| 2024 | _find_terminal_type(arg_t *arg) { |
| 2025 | asn1p_expr_t *expr; |
| 2026 | expr = asn1f_find_terminal_type_ex(arg->asn, arg->mod, arg->expr, NULL); |
| 2027 | assert(expr); |
| 2028 | return expr->expr_type; |
| 2029 | } |