Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 1 | %{ |
| 2 | |
| 3 | #include <string.h> |
| 4 | #include <errno.h> |
| 5 | #include <assert.h> |
| 6 | |
| 7 | #include "asn1parser.h" |
| 8 | #include "asn1p_y.h" |
| 9 | |
| 10 | int asn1p_lex(void); |
| 11 | void asn1p_lexer_hack_push_opaque_state(void); /* Used in .y */ |
| 12 | void asn1p_lexer_hack_enable_with_syntax(void); /* Used in .y */ |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 13 | void asn1p_lexer_hack_push_encoding_control(void); /* Used in .y */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 14 | |
| 15 | #define YY_FATAL_ERROR(msg) do { \ |
| 16 | fprintf(stderr, \ |
| 17 | "lexer error at line %d, " \ |
| 18 | "text \"%s\"\n", \ |
| 19 | yylineno, yytext); \ |
| 20 | exit(1); \ |
| 21 | } while(0) |
| 22 | |
| 23 | int asn1p_lexer_pedantic_1990 = 0; |
| 24 | int asn1p_lexer_types_year = 0; |
| 25 | int asn1p_lexer_constructs_year = 0; |
| 26 | static int _check_dashes(char *ptr); |
Lev Walkin | c603f10 | 2005-01-23 09:51:44 +0000 | [diff] [blame] | 27 | static asn1c_integer_t asn1p_atoi(char *ptr); /* errno is either 0 or ERANGE */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 28 | |
| 29 | /* |
| 30 | * Check that the type is defined in the year of the standard choosen. |
| 31 | */ |
| 32 | #define TYPE_LIFETIME(fyr, lyr) \ |
| 33 | (!asn1p_lexer_types_year \ |
| 34 | || (fyr && fyr <= asn1p_lexer_types_year) \ |
| 35 | || (lyr && lyr > asn1p_lexer_types_year)) |
| 36 | |
| 37 | /* |
| 38 | * Check the the construction (or concept, i.e. CLASS) is defined in |
| 39 | * a given year. |
| 40 | */ |
| 41 | #define CONSTRUCT_LIFETIME(fyr, lyr) \ |
| 42 | (!asn1p_lexer_constructs_year \ |
| 43 | || (fyr && fyr <= asn1p_lexer_constructs_year) \ |
| 44 | || (lyr && lyr > asn1p_lexer_constructs_year)) |
| 45 | |
| 46 | /* |
| 47 | * Make sure that the label is compliant with the naming rules. |
| 48 | */ |
| 49 | #define CHECK_DASHES do { \ |
| 50 | if(_check_dashes(yytext)) { \ |
| 51 | fprintf(stderr, \ |
| 52 | "%s: Identifier format invalid: " \ |
| 53 | "Improper dash location\n", yytext); \ |
| 54 | return -1; \ |
| 55 | } } while(0) |
| 56 | |
| 57 | /* |
| 58 | * Append quoted string. |
| 59 | */ |
| 60 | #define QAPPEND(text, tlen) do { \ |
| 61 | char *prev_text = asn1p_lval.tv_opaque.buf; \ |
| 62 | int prev_len = asn1p_lval.tv_opaque.len; \ |
| 63 | char *p; \ |
| 64 | \ |
| 65 | p = malloc((tlen) + prev_len + 1); \ |
| 66 | if(p == NULL) return -1; \ |
| 67 | \ |
| 68 | if(prev_text) memcpy(p, prev_text, prev_len); \ |
| 69 | memcpy(p + prev_len, text, tlen); \ |
| 70 | p[prev_len + (tlen)] = '\0'; \ |
| 71 | \ |
| 72 | free(asn1p_lval.tv_opaque.buf); \ |
| 73 | asn1p_lval.tv_opaque.buf = p; \ |
| 74 | asn1p_lval.tv_opaque.len = (tlen) + prev_len; \ |
| 75 | } while(0) |
| 76 | |
| 77 | %} |
| 78 | |
| 79 | %option never-interactive |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 80 | %option noinput |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 81 | %option noyywrap stack |
| 82 | /* Performance penalty is OK */ |
| 83 | %option yylineno |
| 84 | /* Controlled from within application */ |
| 85 | %option debug |
| 86 | |
| 87 | %pointer |
| 88 | |
| 89 | %x dash_comment |
| 90 | %x cpp_comment |
| 91 | %x quoted |
| 92 | %x opaque |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 93 | %x encoding_control |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 94 | %x with_syntax |
| 95 | |
| 96 | /* Newline */ |
| 97 | NL [\r\v\f\n] |
| 98 | /* White-space */ |
| 99 | WSP [\t\r\v\f\n ] |
| 100 | |
| 101 | %% |
| 102 | |
| 103 | "--" yy_push_state(dash_comment); |
| 104 | <dash_comment>{ |
| 105 | |
| 106 | {NL} yy_pop_state(); |
| 107 | |
| 108 | -- yy_pop_state(); /* End of comment */ |
| 109 | - /* Eat single dash */ |
| 110 | [^\r\v\f\n-]+ /* Eat */ |
| 111 | |
| 112 | } |
| 113 | <INITIAL,cpp_comment>"/*" yy_push_state(cpp_comment); |
| 114 | <cpp_comment>{ |
| 115 | [^*/] /* Eat */ |
| 116 | "*/" yy_pop_state(); |
| 117 | . /* Eat */ |
| 118 | } |
| 119 | |
| 120 | |
| 121 | /* |
| 122 | * This is state is being set from corresponding .y module when |
| 123 | * higher-level data is necessary to make proper parsing of the |
| 124 | * underlying data. Thus, we enter the <opaque> state and save |
| 125 | * everything for later processing. |
| 126 | */ |
| 127 | <opaque>{ |
| 128 | |
| 129 | "{" { |
| 130 | yy_push_state(opaque); |
| 131 | asn1p_lval.tv_opaque.buf = strdup(yytext); |
| 132 | asn1p_lval.tv_opaque.len = yyleng; |
| 133 | return TOK_opaque; |
| 134 | } |
| 135 | |
| 136 | "}" { |
| 137 | yy_pop_state(); |
| 138 | asn1p_lval.tv_opaque.buf = strdup(yytext); |
| 139 | asn1p_lval.tv_opaque.len = yyleng; |
| 140 | return TOK_opaque; |
| 141 | } |
| 142 | |
| 143 | [^{}:=]+ { |
| 144 | asn1p_lval.tv_opaque.buf = strdup(yytext); |
| 145 | asn1p_lval.tv_opaque.len = yyleng; |
| 146 | return TOK_opaque; |
| 147 | } |
| 148 | |
| 149 | "::=" { |
| 150 | fprintf(stderr, |
| 151 | "ASN.1 Parser syncronization failure: " |
| 152 | "\"%s\" at line %d must not appear " |
| 153 | "inside value definition\n", |
| 154 | yytext, yylineno); |
| 155 | return -1; |
| 156 | } |
| 157 | |
| 158 | [:=] { |
| 159 | asn1p_lval.tv_opaque.buf = strdup(yytext); |
| 160 | asn1p_lval.tv_opaque.len = yyleng; |
| 161 | return TOK_opaque; |
| 162 | } |
| 163 | |
| 164 | } |
| 165 | |
| 166 | \"[^\"]* { |
| 167 | asn1p_lval.tv_opaque.buf = 0; |
| 168 | asn1p_lval.tv_opaque.len = 0; |
| 169 | QAPPEND(yytext+1, yyleng-1); |
| 170 | yy_push_state(quoted); |
| 171 | } |
| 172 | <quoted>{ |
| 173 | |
| 174 | \"\" { QAPPEND(yytext, yyleng-1); } /* Add a single quote */ |
| 175 | [^\"]+ { QAPPEND(yytext, yyleng); } |
| 176 | |
| 177 | \" { |
| 178 | yy_pop_state(); |
| 179 | /* Do not append last quote: |
| 180 | // QAPPEND(yytext, yyleng); */ |
| 181 | |
| 182 | if(asn1p_lexer_pedantic_1990 |
| 183 | && strchr(yytext, '\n')) { |
| 184 | fprintf(stderr, "%s: " |
| 185 | "Newlines are prohibited by ASN.1:1990\n", |
| 186 | asn1p_lval.tv_opaque.buf); |
| 187 | return -1; |
| 188 | } |
| 189 | |
| 190 | return TOK_cstring; |
| 191 | } |
| 192 | |
| 193 | } |
| 194 | |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 195 | <encoding_control>{ |
| 196 | ENCODING-CONTROL { |
| 197 | const char *s = "ENCODING-CONTROL"; |
| 198 | const char *p = s + sizeof("ENCODING-CONTROL") - 2; |
| 199 | for(; p >= s; p--) unput(*p); |
| 200 | yy_pop_state(); |
| 201 | } |
| 202 | END unput('D'); unput('N'); unput('E'); yy_pop_state(); |
| 203 | [^{} \t\r\v\f\n]+ |
| 204 | [[:alnum:]]+ |
| 205 | . /* Eat everything else */ |
| 206 | "\n" |
| 207 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 208 | |
| 209 | '[0-9A-F \t\r\v\f\n]+'H { |
| 210 | /* " \t\r\n" weren't allowed in ASN.1:1990. */ |
| 211 | asn1p_lval.tv_str = yytext; |
| 212 | return TOK_hstring; |
| 213 | } |
| 214 | |
| 215 | '[01 \t\r\v\f\n]+'B { |
| 216 | /* " \t\r\n" weren't allowed in ASN.1:1990. */ |
| 217 | asn1p_lval.tv_str = strdup(yytext); |
| 218 | return TOK_bstring; |
| 219 | } |
| 220 | |
| 221 | |
| 222 | -[1-9][0-9]* { |
| 223 | asn1p_lval.a_int = asn1p_atoi(yytext); |
| 224 | if(errno == ERANGE) |
| 225 | return -1; |
| 226 | return TOK_number_negative; |
| 227 | } |
| 228 | |
| 229 | [1-9][0-9]* { |
| 230 | asn1p_lval.a_int = asn1p_atoi(yytext); |
| 231 | if(errno == ERANGE) |
| 232 | return -1; |
| 233 | return TOK_number; |
| 234 | } |
| 235 | |
| 236 | "0" { |
| 237 | asn1p_lval.a_int = asn1p_atoi(yytext); |
| 238 | if(errno == ERANGE) |
| 239 | return -1; |
| 240 | return TOK_number; |
| 241 | } |
| 242 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 243 | ABSENT return TOK_ABSENT; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 244 | /* |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 245 | ABSTRACT-SYNTAX return TOK_ABSTRACT_SYNTAX; |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 246 | */ |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 247 | ALL return TOK_ALL; |
| 248 | ANY { |
| 249 | /* Appeared in 1990, removed in 1997 */ |
| 250 | if(TYPE_LIFETIME(1990, 1997)) |
| 251 | return TOK_ANY; |
| 252 | fprintf(stderr, "Keyword \"%s\" at line %d " |
| 253 | "is obsolete\n", yytext, yylineno); |
| 254 | REJECT; |
| 255 | } |
| 256 | APPLICATION return TOK_APPLICATION; |
| 257 | AUTOMATIC return TOK_AUTOMATIC; |
| 258 | BEGIN return TOK_BEGIN; |
| 259 | BIT return TOK_BIT; |
| 260 | BMPString { |
| 261 | if(TYPE_LIFETIME(1994, 0)) |
| 262 | return TOK_BMPString; |
| 263 | REJECT; |
| 264 | } |
| 265 | BOOLEAN return TOK_BOOLEAN; |
| 266 | BY return TOK_BY; |
| 267 | CHARACTER return TOK_CHARACTER; |
| 268 | CHOICE return TOK_CHOICE; |
| 269 | CLASS return TOK_CLASS; |
| 270 | COMPONENT return TOK_COMPONENT; |
| 271 | COMPONENTS return TOK_COMPONENTS; |
Lev Walkin | 1893ddf | 2005-03-20 14:28:32 +0000 | [diff] [blame] | 272 | CONSTRAINED return TOK_CONSTRAINED; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 273 | CONTAINING return TOK_CONTAINING; |
| 274 | DEFAULT return TOK_DEFAULT; |
| 275 | DEFINED { |
| 276 | /* Appeared in 1990, removed in 1997 */ |
| 277 | if(TYPE_LIFETIME(1990, 1997)) |
| 278 | return TOK_DEFINED; |
| 279 | fprintf(stderr, "Keyword \"%s\" at line %d " |
| 280 | "is obsolete\n", yytext, yylineno); |
| 281 | /* Deprecated since */ |
| 282 | REJECT; |
| 283 | } |
| 284 | DEFINITIONS return TOK_DEFINITIONS; |
| 285 | EMBEDDED return TOK_EMBEDDED; |
| 286 | ENCODED return TOK_ENCODED; |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 287 | ENCODING-CONTROL return TOK_ENCODING_CONTROL; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 288 | END return TOK_END; |
| 289 | ENUMERATED return TOK_ENUMERATED; |
| 290 | EXCEPT return TOK_EXCEPT; |
| 291 | EXPLICIT return TOK_EXPLICIT; |
| 292 | EXPORTS return TOK_EXPORTS; |
| 293 | EXTENSIBILITY return TOK_EXTENSIBILITY; |
| 294 | EXTERNAL return TOK_EXTERNAL; |
| 295 | FALSE return TOK_FALSE; |
| 296 | FROM return TOK_FROM; |
| 297 | GeneralizedTime return TOK_GeneralizedTime; |
| 298 | GeneralString return TOK_GeneralString; |
| 299 | GraphicString return TOK_GraphicString; |
| 300 | IA5String return TOK_IA5String; |
| 301 | IDENTIFIER return TOK_IDENTIFIER; |
| 302 | IMPLICIT return TOK_IMPLICIT; |
| 303 | IMPLIED return TOK_IMPLIED; |
| 304 | IMPORTS return TOK_IMPORTS; |
| 305 | INCLUDES return TOK_INCLUDES; |
| 306 | INSTANCE return TOK_INSTANCE; |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 307 | INSTRUCTIONS return TOK_INSTRUCTIONS; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 308 | INTEGER return TOK_INTEGER; |
| 309 | INTERSECTION return TOK_INTERSECTION; |
| 310 | ISO646String return TOK_ISO646String; |
| 311 | MAX return TOK_MAX; |
| 312 | MIN return TOK_MIN; |
| 313 | MINUS-INFINITY return TOK_MINUS_INFINITY; |
| 314 | NULL return TOK_NULL; |
| 315 | NumericString return TOK_NumericString; |
| 316 | OBJECT return TOK_OBJECT; |
| 317 | ObjectDescriptor return TOK_ObjectDescriptor; |
| 318 | OCTET return TOK_OCTET; |
| 319 | OF return TOK_OF; |
| 320 | OPTIONAL return TOK_OPTIONAL; |
| 321 | PATTERN return TOK_PATTERN; |
| 322 | PDV return TOK_PDV; |
| 323 | PLUS-INFINITY return TOK_PLUS_INFINITY; |
| 324 | PRESENT return TOK_PRESENT; |
| 325 | PrintableString return TOK_PrintableString; |
| 326 | PRIVATE return TOK_PRIVATE; |
| 327 | REAL return TOK_REAL; |
| 328 | RELATIVE-OID return TOK_RELATIVE_OID; |
| 329 | SEQUENCE return TOK_SEQUENCE; |
| 330 | SET return TOK_SET; |
| 331 | SIZE return TOK_SIZE; |
| 332 | STRING return TOK_STRING; |
| 333 | SYNTAX return TOK_SYNTAX; |
| 334 | T61String return TOK_T61String; |
| 335 | TAGS return TOK_TAGS; |
| 336 | TeletexString return TOK_TeletexString; |
| 337 | TRUE return TOK_TRUE; |
| 338 | TYPE-IDENTIFIER return TOK_TYPE_IDENTIFIER; |
| 339 | UNION return TOK_UNION; |
| 340 | UNIQUE return TOK_UNIQUE; |
| 341 | UNIVERSAL return TOK_UNIVERSAL; |
| 342 | UniversalString { |
| 343 | if(TYPE_LIFETIME(1994, 0)) |
| 344 | return TOK_UniversalString; |
| 345 | REJECT; |
| 346 | } |
| 347 | UTCTime return TOK_UTCTime; |
| 348 | UTF8String { |
| 349 | if(TYPE_LIFETIME(1994, 0)) |
| 350 | return TOK_UTF8String; |
| 351 | REJECT; |
| 352 | } |
| 353 | VideotexString return TOK_VideotexString; |
| 354 | VisibleString return TOK_VisibleString; |
| 355 | WITH return TOK_WITH; |
| 356 | |
| 357 | |
| 358 | <INITIAL,with_syntax>&[A-Z][A-Za-z0-9-]* { |
| 359 | CHECK_DASHES; |
| 360 | asn1p_lval.tv_str = strdup(yytext); |
| 361 | return TOK_typefieldreference; |
| 362 | } |
| 363 | |
| 364 | <INITIAL,with_syntax>&[a-z][a-zA-Z0-9-]* { |
| 365 | CHECK_DASHES; |
| 366 | asn1p_lval.tv_str = strdup(yytext); |
| 367 | return TOK_valuefieldreference; |
| 368 | } |
| 369 | |
| 370 | |
| 371 | [a-z][a-zA-Z0-9-]* { |
| 372 | CHECK_DASHES; |
| 373 | asn1p_lval.tv_str = strdup(yytext); |
| 374 | return TOK_identifier; |
| 375 | } |
| 376 | |
| 377 | /* |
| 378 | * objectclassreference |
| 379 | */ |
| 380 | [A-Z][A-Z0-9-]* { |
| 381 | CHECK_DASHES; |
| 382 | asn1p_lval.tv_str = strdup(yytext); |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 383 | return TOK_capitalreference; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | /* |
| 387 | * typereference, modulereference |
| 388 | * NOTE: TOK_objectclassreference must be combined |
| 389 | * with this token to produce true typereference. |
| 390 | */ |
| 391 | [A-Z][A-Za-z0-9-]* { |
| 392 | CHECK_DASHES; |
| 393 | asn1p_lval.tv_str = strdup(yytext); |
| 394 | return TOK_typereference; |
| 395 | } |
| 396 | |
| 397 | "::=" return TOK_PPEQ; |
| 398 | |
| 399 | "..." return TOK_ThreeDots; |
| 400 | ".." return TOK_TwoDots; |
| 401 | |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 402 | <with_syntax>{ |
| 403 | |
| 404 | [^&{} \t\r\v\f\n]+ { |
| 405 | asn1p_lval.tv_opaque.buf = strdup(yytext); |
| 406 | asn1p_lval.tv_opaque.len = yyleng; |
| 407 | return TOK_opaque; |
| 408 | } |
| 409 | |
| 410 | {WSP}+ { |
| 411 | asn1p_lval.tv_opaque.buf = strdup(yytext); |
| 412 | asn1p_lval.tv_opaque.len = yyleng; |
| 413 | return TOK_opaque; |
| 414 | } |
| 415 | |
| 416 | "}" { |
| 417 | yy_pop_state(); |
| 418 | return '}'; |
| 419 | } |
| 420 | |
| 421 | } |
| 422 | |
Lev Walkin | d9574ae | 2005-03-24 16:22:35 +0000 | [diff] [blame] | 423 | |
| 424 | {WSP}+ /* Ignore whitespace */ |
| 425 | |
| 426 | |
| 427 | [{][\t\r\v\f\n ]*[0-7][,][\t\r\v\f\n ]*[0-9]+[\t\r\v\f\n ]*[}] { |
| 428 | asn1c_integer_t v1 = -1, v2 = -1; |
| 429 | char *p; |
| 430 | for(p = yytext; *p; p++) |
| 431 | if(*p >= '0' && *p <= '9') |
| 432 | { v1 = asn1p_atoi(p); break; } |
| 433 | while(*p >= '0' && *p <= '9') p++; /* Skip digits */ |
| 434 | for(; *p; p++) if(*p >= '0' && *p <= '9') |
| 435 | { v2 = asn1p_atoi(p); break; } |
| 436 | if(v1 < 0 || v1 > 7) { |
| 437 | fprintf(stderr, "%s at line %d: X.680:2003, #37.14 " |
| 438 | "mandates 0..7 range for Tuple's TableColumn\n", |
| 439 | yytext, yylineno); |
| 440 | return -1; |
| 441 | } |
| 442 | if(v2 < 0 || v2 > 15) { |
| 443 | fprintf(stderr, "%s at line %d: X.680:2003, #37.14 " |
| 444 | "mandates 0..15 range for Tuple's TableRow\n", |
| 445 | yytext, yylineno); |
| 446 | return -1; |
| 447 | } |
| 448 | asn1p_lval.a_int = (v1 << 4) + v2; |
| 449 | return TOK_tuple; |
| 450 | } |
| 451 | |
| 452 | [{][\t\r\v\f\n ]*[0-9]+[,][\t\r\v\f\n ]*[0-9]+[,][\t\r\v\f\n ]*[0-9]+[,][\t\r\v\f\n ]*[0-9]+[\t\r\v\f\n ]*[}] { |
| 453 | asn1c_integer_t v1 = -1, v2 = -1, v3 = -1, v4 = -1; |
| 454 | char *p; |
| 455 | for(p = yytext; *p; p++) |
| 456 | if(*p >= '0' && *p <= '9') |
| 457 | { v1 = asn1p_atoi(p); break; } |
| 458 | while(*p >= '0' && *p <= '9') p++; /* Skip digits */ |
| 459 | for(; *p; p++) if(*p >= '0' && *p <= '9') |
| 460 | { v2 = asn1p_atoi(p); break; } |
| 461 | while(*p >= '0' && *p <= '9') p++; |
| 462 | for(; *p; p++) if(*p >= '0' && *p <= '9') |
| 463 | { v3 = asn1p_atoi(p); break; } |
| 464 | while(*p >= '0' && *p <= '9') p++; |
| 465 | for(; *p; p++) if(*p >= '0' && *p <= '9') |
| 466 | { v4 = asn1p_atoi(p); break; } |
| 467 | if(v1 < 0 || v1 > 127) { |
| 468 | fprintf(stderr, "%s at line %d: X.680:2003, #37.12 " |
| 469 | "mandates 0..127 range for Quadruple's Group\n", |
| 470 | yytext, yylineno); |
| 471 | return -1; |
| 472 | } |
| 473 | if(v2 < 0 || v2 > 255) { |
| 474 | fprintf(stderr, "%s at line %d: X.680:2003, #37.12 " |
| 475 | "mandates 0..255 range for Quadruple's Plane\n", |
| 476 | yytext, yylineno); |
| 477 | return -1; |
| 478 | } |
| 479 | if(v3 < 0 || v3 > 255) { |
| 480 | fprintf(stderr, "%s at line %d: X.680:2003, #37.12 " |
| 481 | "mandates 0..255 range for Quadruple's Row\n", |
| 482 | yytext, yylineno); |
| 483 | return -1; |
| 484 | } |
| 485 | if(v4 < 0 || v4 > 255) { |
| 486 | fprintf(stderr, "%s at line %d: X.680:2003, #37.12 " |
| 487 | "mandates 0..255 range for Quadruple's Cell\n", |
| 488 | yytext, yylineno); |
| 489 | return -1; |
| 490 | } |
| 491 | asn1p_lval.a_int = (v1 << 24) | (v2 << 16) | (v3 << 8) | v4; |
| 492 | return TOK_quadruple; |
| 493 | } |
| 494 | |
| 495 | |
| 496 | [(){},;:|!.&@\[\]^] return yytext[0]; |
| 497 | |
| 498 | [^A-Za-z0-9:=,{}<.@()[]'\"|&^*;!-] { |
| 499 | if(TYPE_LIFETIME(1994, 0)) |
| 500 | fprintf(stderr, "ERROR: "); |
| 501 | fprintf(stderr, |
| 502 | "Symbol '%c' at line %d is prohibited " |
| 503 | "by ASN.1:1994 and ASN.1:1997\n", |
| 504 | yytext[0], yylineno); |
| 505 | if(TYPE_LIFETIME(1994, 0)) |
| 506 | return -1; |
| 507 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 508 | |
| 509 | <*>. { |
| 510 | fprintf(stderr, |
| 511 | "Unexpected token at line %d: \"%s\"\n", |
| 512 | yylineno, yytext); |
| 513 | while(YYSTATE != INITIAL) |
| 514 | yy_pop_state(); |
Lev Walkin | 9c97418 | 2004-09-15 11:59:51 +0000 | [diff] [blame] | 515 | if(0) { |
| 516 | yy_top_state(); /* Just to use this function. */ |
| 517 | yy_fatal_error("Parse error"); |
| 518 | } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 519 | return -1; |
| 520 | } |
| 521 | |
| 522 | <*><<EOF>> { |
| 523 | while(YYSTATE != INITIAL) |
| 524 | yy_pop_state(); |
| 525 | yyterminate(); |
| 526 | } |
| 527 | |
| 528 | |
| 529 | %% |
| 530 | |
| 531 | /* |
| 532 | * Very dirty but wonderful hack allowing to rule states from within .y file. |
| 533 | */ |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 534 | void asn1p_lexer_hack_push_opaque_state() { yy_push_state(opaque); } |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 535 | |
| 536 | /* |
| 537 | * Another hack which disables recognizing some tokens when inside WITH SYNTAX. |
| 538 | */ |
Lev Walkin | f59d075 | 2004-08-18 04:59:12 +0000 | [diff] [blame] | 539 | void asn1p_lexer_hack_enable_with_syntax() { yy_push_state(with_syntax); } |
| 540 | |
| 541 | /* Yet another */ |
| 542 | void asn1p_lexer_hack_push_encoding_control() { |
| 543 | yy_push_state(encoding_control); |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 544 | } |
| 545 | |
| 546 | /* |
| 547 | * Check that a token does not end with dash and does not contain |
| 548 | * several dashes in succession. |
| 549 | * "Name", "Type-Id", "T-y-p-e-i-d" are OK |
| 550 | * "end-", "vustom--value" are INVALID |
| 551 | */ |
| 552 | static int |
| 553 | _check_dashes(char *ptr) { |
| 554 | int prev_dash = 0; |
| 555 | |
| 556 | assert(*ptr != '-'); |
| 557 | |
| 558 | for(;; ptr++) { |
| 559 | switch(*ptr) { |
| 560 | case '-': |
| 561 | if(prev_dash++) /* No double dashes */ |
| 562 | return -1; |
| 563 | continue; |
| 564 | case '\0': |
| 565 | if(prev_dash) /* No dashes at the end */ |
| 566 | return -1; |
| 567 | break; |
| 568 | default: |
| 569 | prev_dash = 0; |
| 570 | continue; |
| 571 | } |
| 572 | break; |
| 573 | } |
| 574 | |
| 575 | return 0; |
| 576 | } |
| 577 | |
Lev Walkin | c603f10 | 2005-01-23 09:51:44 +0000 | [diff] [blame] | 578 | static asn1c_integer_t |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 579 | asn1p_atoi(char *ptr) { |
Lev Walkin | c603f10 | 2005-01-23 09:51:44 +0000 | [diff] [blame] | 580 | asn1c_integer_t value; |
Lev Walkin | f15320b | 2004-06-03 03:38:44 +0000 | [diff] [blame] | 581 | errno = 0; /* Clear the error code */ |
| 582 | |
| 583 | if(sizeof(value) <= sizeof(int)) { |
| 584 | value = strtol(ptr, 0, 10); |
| 585 | } else { |
| 586 | #ifdef HAVE_STRTOIMAX |
| 587 | value = strtoimax(ptr, 0, 10); |
| 588 | #elif HAVE_STRTOLL |
| 589 | value = strtoll(ptr, 0, 10); |
| 590 | #else |
| 591 | value = strtol(ptr, 0, 10); |
| 592 | #endif |
| 593 | } |
| 594 | |
| 595 | if(errno == ERANGE) { |
| 596 | fprintf(stderr, |
| 597 | "Value \"%s\" at line %d is too large " |
| 598 | "for this compiler! Please contact the vendor.", |
| 599 | ptr, yylineno); |
| 600 | errno = ERANGE; /* Restore potentially clobbered errno */ |
| 601 | } |
| 602 | |
| 603 | return value; |
| 604 | } |
| 605 | |