regnodes.h

   1 /* -*- buffer-read-only: t -*-
   2    !!!!!!!   DO NOT EDIT THIS FILE   !!!!!!!
   3    This file is built by regen/regcomp.pl from regcomp.sym.
   4    Any changes made here will be lost!
   5  */
   6
   7 /* Regops and State definitions */
   8
   9 #define REGNODE_MAX             93
  10 #define REGMATCH_STATE_MAX      133
  11
  12 #define END                     0       /* 0000 End of program. */
  13 #define SUCCEED                 1       /* 0x01 Return from a subroutine, basically. */
  14 #define BOL                     2       /* 0x02 Match "" at beginning of line. */
  15 #define MBOL                    3       /* 0x03 Same, assuming multiline. */
  16 #define SBOL                    4       /* 0x04 Same, assuming singleline. */
  17 #define EOS                     5       /* 0x05 Match "" at end of string. */
  18 #define EOL                     6       /* 0x06 Match "" at end of line. */
  19 #define MEOL                    7       /* 0x07 Same, assuming multiline. */
  20 #define SEOL                    8       /* 0x08 Same, assuming singleline. */
  21 #define BOUND                   9       /* 0x09 Match "" at any word boundary using native charset rules for non-utf8 */
  22 #define BOUNDL                  10      /* 0x0a Match "" at any locale word boundary */
  23 #define BOUNDU                  11      /* 0x0b Match "" at any word boundary using Unicode rules */
  24 #define BOUNDA                  12      /* 0x0c Match "" at any word boundary using ASCII rules */
  25 #define NBOUND                  13      /* 0x0d Match "" at any word non-boundary using native charset rules for non-utf8 */
  26 #define NBOUNDL                 14      /* 0x0e Match "" at any locale word non-boundary */
  27 #define NBOUNDU                 15      /* 0x0f Match "" at any word non-boundary using Unicode rules */
  28 #define NBOUNDA                 16      /* 0x10 Match "" at any word non-boundary using ASCII rules */
  29 #define GPOS                    17      /* 0x11 Matches where last m//g left off. */
  30 #define REG_ANY                 18      /* 0x12 Match any one character (except newline). */
  31 #define SANY                    19      /* 0x13 Match any one character. */
  32 #define CANY                    20      /* 0x14 Match any one byte. */
  33 #define ANYOF                   21      /* 0x15 Match character in (or not in) this class, single char match only */
  34 #define POSIXD                  22      /* 0x16 Some [[:class:]] under /d; the FLAGS field gives which one */
  35 #define POSIXL                  23      /* 0x17 Some [[:class:]] under /l; the FLAGS field gives which one */
  36 #define POSIXU                  24      /* 0x18 Some [[:class:]] under /u; the FLAGS field gives which one */
  37 #define POSIXA                  25      /* 0x19 Some [[:class:]] under /a; the FLAGS field gives which one */
  38 #define NPOSIXD                 26      /* 0x1a complement of POSIXD, [[:^class:]] */
  39 #define NPOSIXL                 27      /* 0x1b complement of POSIXL, [[:^class:]] */
  40 #define NPOSIXU                 28      /* 0x1c complement of POSIXU, [[:^class:]] */
  41 #define NPOSIXA                 29      /* 0x1d complement of POSIXA, [[:^class:]] */
  42 #define CLUMP                   30      /* 0x1e Match any extended grapheme cluster sequence */
  43 #define BRANCH                  31      /* 0x1f Match this alternative, or the next... */
  44 #define BACK                    32      /* 0x20 Match "", "next" ptr points backward. */
  45 #define EXACT                   33      /* 0x21 Match this string (preceded by length). */
  46 #define EXACTF                  34      /* 0x22 Match this non-UTF-8 string (not guaranteed to be folded) using /id rules (w/len). */
  47 #define EXACTFL                 35      /* 0x23 Match this string (not guaranteed to be folded) using /il rules (w/len). */
  48 #define EXACTFU                 36      /* 0x24 Match this string (folded iff in UTF-8, length in folding doesn't change if not in UTF-8) using /iu rules (w/len). */
  49 #define EXACTFA                 37      /* 0x25 Match this string (not guaranteed to be folded) using /iaa rules (w/len). */
  50 #define EXACTFU_SS              38      /* 0x26 Match this string (folded iff in UTF-8, length in folding may change even if not in UTF-8) using /iu rules (w/len). */
  51 #define EXACTFA_NO_TRIE         39      /* 0x27 Match this string (which is not trie-able; not guaranteed to be folded) using /iaa rules (w/len). */
  52 #define NOTHING                 40      /* 0x28 Match empty string. */
  53 #define TAIL                    41      /* 0x29 Match empty string. Can jump here from outside. */
  54 #define STAR                    42      /* 0x2a Match this (simple) thing 0 or more times. */
  55 #define PLUS                    43      /* 0x2b Match this (simple) thing 1 or more times. */
  56 #define CURLY                   44      /* 0x2c Match this simple thing {n,m} times. */
  57 #define CURLYN                  45      /* 0x2d Capture next-after-this simple thing */
  58 #define CURLYM                  46      /* 0x2e Capture this medium-complex thing {n,m} times. */
  59 #define CURLYX                  47      /* 0x2f Match this complex thing {n,m} times. */
  60 #define WHILEM                  48      /* 0x30 Do curly processing and see if rest matches. */
  61 #define OPEN                    49      /* 0x31 Mark this point in input as start of #n. */
  62 #define CLOSE                   50      /* 0x32 Analogous to OPEN. */
  63 #define REF                     51      /* 0x33 Match some already matched string */
  64 #define REFF                    52      /* 0x34 Match already matched string, folded using native charset rules for non-utf8 */
  65 #define REFFL                   53      /* 0x35 Match already matched string, folded in loc. */
  66 #define REFFU                   54      /* 0x36 Match already matched string, folded using unicode rules for non-utf8 */
  67 #define REFFA                   55      /* 0x37 Match already matched string, folded using unicode rules for non-utf8, no mixing ASCII, non-ASCII */
  68 #define NREF                    56      /* 0x38 Match some already matched string */
  69 #define NREFF                   57      /* 0x39 Match already matched string, folded using native charset rules for non-utf8 */
  70 #define NREFFL                  58      /* 0x3a Match already matched string, folded in loc. */
  71 #define NREFFU                  59      /* 0x3b Match already matched string, folded using unicode rules for non-utf8 */
  72 #define NREFFA                  60      /* 0x3c Match already matched string, folded using unicode rules for non-utf8, no mixing ASCII, non-ASCII */
  73 #define IFMATCH                 61      /* 0x3d Succeeds if the following matches. */
  74 #define UNLESSM                 62      /* 0x3e Fails if the following matches. */
  75 #define SUSPEND                 63      /* 0x3f "Independent" sub-RE. */
  76 #define IFTHEN                  64      /* 0x40 Switch, should be preceded by switcher. */
  77 #define GROUPP                  65      /* 0x41 Whether the group matched. */
  78 #define LONGJMP                 66      /* 0x42 Jump far away. */
  79 #define BRANCHJ                 67      /* 0x43 BRANCH with long offset. */
  80 #define EVAL                    68      /* 0x44 Execute some Perl code. */
  81 #define MINMOD                  69      /* 0x45 Next operator is not greedy. */
  82 #define LOGICAL                 70      /* 0x46 Next opcode should set the flag only. */
  83 #define RENUM                   71      /* 0x47 Group with independently numbered parens. */
  84 #define TRIE                    72      /* 0x48 Match many EXACT(F[ALU]?)? at once. flags==type */
  85 #define TRIEC                   73      /* 0x49 Same as TRIE, but with embedded charclass data */
  86 #define AHOCORASICK             74      /* 0x4a Aho Corasick stclass. flags==type */
  87 #define AHOCORASICKC            75      /* 0x4b Same as AHOCORASICK, but with embedded charclass data */
  88 #define GOSUB                   76      /* 0x4c recurse to paren arg1 at (signed) ofs arg2 */
  89 #define GOSTART                 77      /* 0x4d recurse to start of pattern */
  90 #define NGROUPP                 78      /* 0x4e Whether the group matched. */
  91 #define INSUBP                  79      /* 0x4f Whether we are in a specific recurse. */
  92 #define DEFINEP                 80      /* 0x50 Never execute directly. */
  93 #define ENDLIKE                 81      /* 0x51 Used only for the type field of verbs */
  94 #define OPFAIL                  82      /* 0x52 Same as (?!) */
  95 #define ACCEPT                  83      /* 0x53 Accepts the current matched string. */
  96 #define VERB                    84      /* 0x54 Used only for the type field of verbs */
  97 #define PRUNE                   85      /* 0x55 Pattern fails at this startpoint if no-backtracking through this */
  98 #define MARKPOINT               86      /* 0x56 Push the current location for rollback by cut. */
  99 #define SKIP                    87      /* 0x57 On failure skip forward (to the mark) before retrying */
 100 #define COMMIT                  88      /* 0x58 Pattern fails outright if backtracking through this */
 101 #define CUTGROUP                89      /* 0x59 On failure go to the next alternation in the group */
 102 #define KEEPS                   90      /* 0x5a $& begins here. */
 103 #define LNBREAK                 91      /* 0x5b generic newline pattern */
 104 #define OPTIMIZED               92      /* 0x5c Placeholder for dump. */
 105 #define PSEUDO                  93      /* 0x5d Pseudo opcode for internal use. */
 106         /* ------------ States ------------- */
 107 #define TRIE_next               (REGNODE_MAX + 1)       /* state for TRIE */
 108 #define TRIE_next_fail          (REGNODE_MAX + 2)       /* state for TRIE */
 109 #define EVAL_AB                 (REGNODE_MAX + 3)       /* state for EVAL */
 110 #define EVAL_AB_fail            (REGNODE_MAX + 4)       /* state for EVAL */
 111 #define CURLYX_end              (REGNODE_MAX + 5)       /* state for CURLYX */
 112 #define CURLYX_end_fail         (REGNODE_MAX + 6)       /* state for CURLYX */
 113 #define WHILEM_A_pre            (REGNODE_MAX + 7)       /* state for WHILEM */
 114 #define WHILEM_A_pre_fail       (REGNODE_MAX + 8)       /* state for WHILEM */
 115 #define WHILEM_A_min            (REGNODE_MAX + 9)       /* state for WHILEM */
 116 #define WHILEM_A_min_fail       (REGNODE_MAX + 10)      /* state for WHILEM */
 117 #define WHILEM_A_max            (REGNODE_MAX + 11)      /* state for WHILEM */
 118 #define WHILEM_A_max_fail       (REGNODE_MAX + 12)      /* state for WHILEM */
 119 #define WHILEM_B_min            (REGNODE_MAX + 13)      /* state for WHILEM */
 120 #define WHILEM_B_min_fail       (REGNODE_MAX + 14)      /* state for WHILEM */
 121 #define WHILEM_B_max            (REGNODE_MAX + 15)      /* state for WHILEM */
 122 #define WHILEM_B_max_fail       (REGNODE_MAX + 16)      /* state for WHILEM */
 123 #define BRANCH_next             (REGNODE_MAX + 17)      /* state for BRANCH */
 124 #define BRANCH_next_fail        (REGNODE_MAX + 18)      /* state for BRANCH */
 125 #define CURLYM_A                (REGNODE_MAX + 19)      /* state for CURLYM */
 126 #define CURLYM_A_fail           (REGNODE_MAX + 20)      /* state for CURLYM */
 127 #define CURLYM_B                (REGNODE_MAX + 21)      /* state for CURLYM */
 128 #define CURLYM_B_fail           (REGNODE_MAX + 22)      /* state for CURLYM */
 129 #define IFMATCH_A               (REGNODE_MAX + 23)      /* state for IFMATCH */
 130 #define IFMATCH_A_fail          (REGNODE_MAX + 24)      /* state for IFMATCH */
 131 #define CURLY_B_min_known       (REGNODE_MAX + 25)      /* state for CURLY */
 132 #define CURLY_B_min_known_fail  (REGNODE_MAX + 26)      /* state for CURLY */
 133 #define CURLY_B_min             (REGNODE_MAX + 27)      /* state for CURLY */
 134 #define CURLY_B_min_fail        (REGNODE_MAX + 28)      /* state for CURLY */
 135 #define CURLY_B_max             (REGNODE_MAX + 29)      /* state for CURLY */
 136 #define CURLY_B_max_fail        (REGNODE_MAX + 30)      /* state for CURLY */
 137 #define COMMIT_next             (REGNODE_MAX + 31)      /* state for COMMIT */
 138 #define COMMIT_next_fail        (REGNODE_MAX + 32)      /* state for COMMIT */
 139 #define MARKPOINT_next          (REGNODE_MAX + 33)      /* state for MARKPOINT */
 140 #define MARKPOINT_next_fail     (REGNODE_MAX + 34)      /* state for MARKPOINT */
 141 #define SKIP_next               (REGNODE_MAX + 35)      /* state for SKIP */
 142 #define SKIP_next_fail          (REGNODE_MAX + 36)      /* state for SKIP */
 143 #define CUTGROUP_next           (REGNODE_MAX + 37)      /* state for CUTGROUP */
 144 #define CUTGROUP_next_fail      (REGNODE_MAX + 38)      /* state for CUTGROUP */
 145 #define KEEPS_next              (REGNODE_MAX + 39)      /* state for KEEPS */
 146 #define KEEPS_next_fail         (REGNODE_MAX + 40)      /* state for KEEPS */
 147
 148 /* PL_regkind[] What type of regop or state is this. */
 149
 150 #ifndef DOINIT
 151 EXTCONST U8 PL_regkind[];
 152 #else
 153 EXTCONST U8 PL_regkind[] = {
 154         END,            /* END                    */
 155         END,            /* SUCCEED                */
 156         BOL,            /* BOL                    */
 157         BOL,            /* MBOL                   */
 158         BOL,            /* SBOL                   */
 159         EOL,            /* EOS                    */
 160         EOL,            /* EOL                    */
 161         EOL,            /* MEOL                   */
 162         EOL,            /* SEOL                   */
 163         BOUND,          /* BOUND                  */
 164         BOUND,          /* BOUNDL                 */
 165         BOUND,          /* BOUNDU                 */
 166         BOUND,          /* BOUNDA                 */
 167         NBOUND,         /* NBOUND                 */
 168         NBOUND,         /* NBOUNDL                */
 169         NBOUND,         /* NBOUNDU                */
 170         NBOUND,         /* NBOUNDA                */
 171         GPOS,           /* GPOS                   */
 172         REG_ANY,        /* REG_ANY                */
 173         REG_ANY,        /* SANY                   */
 174         REG_ANY,        /* CANY                   */
 175         ANYOF,          /* ANYOF                  */
 176         POSIXD,         /* POSIXD                 */
 177         POSIXD,         /* POSIXL                 */
 178         POSIXD,         /* POSIXU                 */
 179         POSIXD,         /* POSIXA                 */
 180         NPOSIXD,        /* NPOSIXD                */
 181         NPOSIXD,        /* NPOSIXL                */
 182         NPOSIXD,        /* NPOSIXU                */
 183         NPOSIXD,        /* NPOSIXA                */
 184         CLUMP,          /* CLUMP                  */
 185         BRANCH,         /* BRANCH                 */
 186         BACK,           /* BACK                   */
 187         EXACT,          /* EXACT                  */
 188         EXACT,          /* EXACTF                 */
 189         EXACT,          /* EXACTFL                */
 190         EXACT,          /* EXACTFU                */
 191         EXACT,          /* EXACTFA                */
 192         EXACT,          /* EXACTFU_SS             */
 193         EXACT,          /* EXACTFA_NO_TRIE        */
 194         NOTHING,        /* NOTHING                */
 195         NOTHING,        /* TAIL                   */
 196         STAR,           /* STAR                   */
 197         PLUS,           /* PLUS                   */
 198         CURLY,          /* CURLY                  */
 199         CURLY,          /* CURLYN                 */
 200         CURLY,          /* CURLYM                 */
 201         CURLY,          /* CURLYX                 */
 202         WHILEM,         /* WHILEM                 */
 203         OPEN,           /* OPEN                   */
 204         CLOSE,          /* CLOSE                  */
 205         REF,            /* REF                    */
 206         REF,            /* REFF                   */
 207         REF,            /* REFFL                  */
 208         REF,            /* REFFU                  */
 209         REF,            /* REFFA                  */
 210         REF,            /* NREF                   */
 211         REF,            /* NREFF                  */
 212         REF,            /* NREFFL                 */
 213         REF,            /* NREFFU                 */
 214         REF,            /* NREFFA                 */
 215         BRANCHJ,        /* IFMATCH                */
 216         BRANCHJ,        /* UNLESSM                */
 217         BRANCHJ,        /* SUSPEND                */
 218         BRANCHJ,        /* IFTHEN                 */
 219         GROUPP,         /* GROUPP                 */
 220         LONGJMP,        /* LONGJMP                */
 221         BRANCHJ,        /* BRANCHJ                */
 222         EVAL,           /* EVAL                   */
 223         MINMOD,         /* MINMOD                 */
 224         LOGICAL,        /* LOGICAL                */
 225         BRANCHJ,        /* RENUM                  */
 226         TRIE,           /* TRIE                   */
 227         TRIE,           /* TRIEC                  */
 228         TRIE,           /* AHOCORASICK            */
 229         TRIE,           /* AHOCORASICKC           */
 230         GOSUB,          /* GOSUB                  */
 231         GOSTART,        /* GOSTART                */
 232         NGROUPP,        /* NGROUPP                */
 233         INSUBP,         /* INSUBP                 */
 234         DEFINEP,        /* DEFINEP                */
 235         ENDLIKE,        /* ENDLIKE                */
 236         ENDLIKE,        /* OPFAIL                 */
 237         ENDLIKE,        /* ACCEPT                 */
 238         VERB,           /* VERB                   */
 239         VERB,           /* PRUNE                  */
 240         VERB,           /* MARKPOINT              */
 241         VERB,           /* SKIP                   */
 242         VERB,           /* COMMIT                 */
 243         VERB,           /* CUTGROUP               */
 244         KEEPS,          /* KEEPS                  */
 245         LNBREAK,        /* LNBREAK                */
 246         NOTHING,        /* OPTIMIZED              */
 247         PSEUDO,         /* PSEUDO                 */
 248         /* ------------ States ------------- */
 249         TRIE,           /* TRIE_next              */
 250         TRIE,           /* TRIE_next_fail         */
 251         EVAL,           /* EVAL_AB                */
 252         EVAL,           /* EVAL_AB_fail           */
 253         CURLYX,         /* CURLYX_end             */
 254         CURLYX,         /* CURLYX_end_fail        */
 255         WHILEM,         /* WHILEM_A_pre           */
 256         WHILEM,         /* WHILEM_A_pre_fail      */
 257         WHILEM,         /* WHILEM_A_min           */
 258         WHILEM,         /* WHILEM_A_min_fail      */
 259         WHILEM,         /* WHILEM_A_max           */
 260         WHILEM,         /* WHILEM_A_max_fail      */
 261         WHILEM,         /* WHILEM_B_min           */
 262         WHILEM,         /* WHILEM_B_min_fail      */
 263         WHILEM,         /* WHILEM_B_max           */
 264         WHILEM,         /* WHILEM_B_max_fail      */
 265         BRANCH,         /* BRANCH_next            */
 266         BRANCH,         /* BRANCH_next_fail       */
 267         CURLYM,         /* CURLYM_A               */
 268         CURLYM,         /* CURLYM_A_fail          */
 269         CURLYM,         /* CURLYM_B               */
 270         CURLYM,         /* CURLYM_B_fail          */
 271         IFMATCH,        /* IFMATCH_A              */
 272         IFMATCH,        /* IFMATCH_A_fail         */
 273         CURLY,          /* CURLY_B_min_known      */
 274         CURLY,          /* CURLY_B_min_known_fail */
 275         CURLY,          /* CURLY_B_min            */
 276         CURLY,          /* CURLY_B_min_fail       */
 277         CURLY,          /* CURLY_B_max            */
 278         CURLY,          /* CURLY_B_max_fail       */
 279         COMMIT,         /* COMMIT_next            */
 280         COMMIT,         /* COMMIT_next_fail       */
 281         MARKPOINT,      /* MARKPOINT_next         */
 282         MARKPOINT,      /* MARKPOINT_next_fail    */
 283         SKIP,           /* SKIP_next              */
 284         SKIP,           /* SKIP_next_fail         */
 285         CUTGROUP,       /* CUTGROUP_next          */
 286         CUTGROUP,       /* CUTGROUP_next_fail     */
 287         KEEPS,          /* KEEPS_next             */
 288         KEEPS,          /* KEEPS_next_fail        */
 289 };
 290 #endif
 291
 292 /* regarglen[] - How large is the argument part of the node (in regnodes) */
 293
 294 #ifdef REG_COMP_C
 295 static const U8 regarglen[] = {
 296         0,                                      /* END          */
 297         0,                                      /* SUCCEED      */
 298         0,                                      /* BOL          */
 299         0,                                      /* MBOL         */
 300         0,                                      /* SBOL         */
 301         0,                                      /* EOS          */
 302         0,                                      /* EOL          */
 303         0,                                      /* MEOL         */
 304         0,                                      /* SEOL         */
 305         0,                                      /* BOUND        */
 306         0,                                      /* BOUNDL       */
 307         0,                                      /* BOUNDU       */
 308         0,                                      /* BOUNDA       */
 309         0,                                      /* NBOUND       */
 310         0,                                      /* NBOUNDL      */
 311         0,                                      /* NBOUNDU      */
 312         0,                                      /* NBOUNDA      */
 313         0,                                      /* GPOS         */
 314         0,                                      /* REG_ANY      */
 315         0,                                      /* SANY         */
 316         0,                                      /* CANY         */
 317         0,                                      /* ANYOF        */
 318         0,                                      /* POSIXD       */
 319         0,                                      /* POSIXL       */
 320         0,                                      /* POSIXU       */
 321         0,                                      /* POSIXA       */
 322         0,                                      /* NPOSIXD      */
 323         0,                                      /* NPOSIXL      */
 324         0,                                      /* NPOSIXU      */
 325         0,                                      /* NPOSIXA      */
 326         0,                                      /* CLUMP        */
 327         0,                                      /* BRANCH       */
 328         0,                                      /* BACK         */
 329         0,                                      /* EXACT        */
 330         0,                                      /* EXACTF       */
 331         0,                                      /* EXACTFL      */
 332         0,                                      /* EXACTFU      */
 333         0,                                      /* EXACTFA      */
 334         0,                                      /* EXACTFU_SS   */
 335         0,                                      /* EXACTFA_NO_TRIE */
 336         0,                                      /* NOTHING      */
 337         0,                                      /* TAIL         */
 338         0,                                      /* STAR         */
 339         0,                                      /* PLUS         */
 340         EXTRA_SIZE(struct regnode_2),           /* CURLY        */
 341         EXTRA_SIZE(struct regnode_2),           /* CURLYN       */
 342         EXTRA_SIZE(struct regnode_2),           /* CURLYM       */
 343         EXTRA_SIZE(struct regnode_2),           /* CURLYX       */
 344         0,                                      /* WHILEM       */
 345         EXTRA_SIZE(struct regnode_1),           /* OPEN         */
 346         EXTRA_SIZE(struct regnode_1),           /* CLOSE        */
 347         EXTRA_SIZE(struct regnode_1),           /* REF          */
 348         EXTRA_SIZE(struct regnode_1),           /* REFF         */
 349         EXTRA_SIZE(struct regnode_1),           /* REFFL        */
 350         EXTRA_SIZE(struct regnode_1),           /* REFFU        */
 351         EXTRA_SIZE(struct regnode_1),           /* REFFA        */
 352         EXTRA_SIZE(struct regnode_1),           /* NREF         */
 353         EXTRA_SIZE(struct regnode_1),           /* NREFF        */
 354         EXTRA_SIZE(struct regnode_1),           /* NREFFL       */
 355         EXTRA_SIZE(struct regnode_1),           /* NREFFU       */
 356         EXTRA_SIZE(struct regnode_1),           /* NREFFA       */
 357         EXTRA_SIZE(struct regnode_1),           /* IFMATCH      */
 358         EXTRA_SIZE(struct regnode_1),           /* UNLESSM      */
 359         EXTRA_SIZE(struct regnode_1),           /* SUSPEND      */
 360         EXTRA_SIZE(struct regnode_1),           /* IFTHEN       */
 361         EXTRA_SIZE(struct regnode_1),           /* GROUPP       */
 362         EXTRA_SIZE(struct regnode_1),           /* LONGJMP      */
 363         EXTRA_SIZE(struct regnode_1),           /* BRANCHJ      */
 364         EXTRA_SIZE(struct regnode_1),           /* EVAL         */
 365         0,                                      /* MINMOD       */
 366         0,                                      /* LOGICAL      */
 367         EXTRA_SIZE(struct regnode_1),           /* RENUM        */
 368         EXTRA_SIZE(struct regnode_1),           /* TRIE         */
 369         EXTRA_SIZE(struct regnode_charclass),   /* TRIEC        */
 370         EXTRA_SIZE(struct regnode_1),           /* AHOCORASICK  */
 371         EXTRA_SIZE(struct regnode_charclass),   /* AHOCORASICKC */
 372         EXTRA_SIZE(struct regnode_2L),          /* GOSUB        */
 373         0,                                      /* GOSTART      */
 374         EXTRA_SIZE(struct regnode_1),           /* NGROUPP      */
 375         EXTRA_SIZE(struct regnode_1),           /* INSUBP       */
 376         EXTRA_SIZE(struct regnode_1),           /* DEFINEP      */
 377         0,                                      /* ENDLIKE      */
 378         0,                                      /* OPFAIL       */
 379         EXTRA_SIZE(struct regnode_1),           /* ACCEPT       */
 380         EXTRA_SIZE(struct regnode_1),           /* VERB         */
 381         EXTRA_SIZE(struct regnode_1),           /* PRUNE        */
 382         EXTRA_SIZE(struct regnode_1),           /* MARKPOINT    */
 383         EXTRA_SIZE(struct regnode_1),           /* SKIP         */
 384         EXTRA_SIZE(struct regnode_1),           /* COMMIT       */
 385         EXTRA_SIZE(struct regnode_1),           /* CUTGROUP     */
 386         0,                                      /* KEEPS        */
 387         0,                                      /* LNBREAK      */
 388         0,                                      /* OPTIMIZED    */
 389         0,                                      /* PSEUDO       */
 390 };
 391
 392 /* reg_off_by_arg[] - Which argument holds the offset to the next node */
 393
 394 static const char reg_off_by_arg[] = {
 395         0,      /* END          */
 396         0,      /* SUCCEED      */
 397         0,      /* BOL          */
 398         0,      /* MBOL         */
 399         0,      /* SBOL         */
 400         0,      /* EOS          */
 401         0,      /* EOL          */
 402         0,      /* MEOL         */
 403         0,      /* SEOL         */
 404         0,      /* BOUND        */
 405         0,      /* BOUNDL       */
 406         0,      /* BOUNDU       */
 407         0,      /* BOUNDA       */
 408         0,      /* NBOUND       */
 409         0,      /* NBOUNDL      */
 410         0,      /* NBOUNDU      */
 411         0,      /* NBOUNDA      */
 412         0,      /* GPOS         */
 413         0,      /* REG_ANY      */
 414         0,      /* SANY         */
 415         0,      /* CANY         */
 416         0,      /* ANYOF        */
 417         0,      /* POSIXD       */
 418         0,      /* POSIXL       */
 419         0,      /* POSIXU       */
 420         0,      /* POSIXA       */
 421         0,      /* NPOSIXD      */
 422         0,      /* NPOSIXL      */
 423         0,      /* NPOSIXU      */
 424         0,      /* NPOSIXA      */
 425         0,      /* CLUMP        */
 426         0,      /* BRANCH       */
 427         0,      /* BACK         */
 428         0,      /* EXACT        */
 429         0,      /* EXACTF       */
 430         0,      /* EXACTFL      */
 431         0,      /* EXACTFU      */
 432         0,      /* EXACTFA      */
 433         0,      /* EXACTFU_SS   */
 434         0,      /* EXACTFA_NO_TRIE */
 435         0,      /* NOTHING      */
 436         0,      /* TAIL         */
 437         0,      /* STAR         */
 438         0,      /* PLUS         */
 439         0,      /* CURLY        */
 440         0,      /* CURLYN       */
 441         0,      /* CURLYM       */
 442         0,      /* CURLYX       */
 443         0,      /* WHILEM       */
 444         0,      /* OPEN         */
 445         0,      /* CLOSE        */
 446         0,      /* REF          */
 447         0,      /* REFF         */
 448         0,      /* REFFL        */
 449         0,      /* REFFU        */
 450         0,      /* REFFA        */
 451         0,      /* NREF         */
 452         0,      /* NREFF        */
 453         0,      /* NREFFL       */
 454         0,      /* NREFFU       */
 455         0,      /* NREFFA       */
 456         2,      /* IFMATCH      */
 457         2,      /* UNLESSM      */
 458         1,      /* SUSPEND      */
 459         1,      /* IFTHEN       */
 460         0,      /* GROUPP       */
 461         1,      /* LONGJMP      */
 462         1,      /* BRANCHJ      */
 463         0,      /* EVAL         */
 464         0,      /* MINMOD       */
 465         0,      /* LOGICAL      */
 466         1,      /* RENUM        */
 467         0,      /* TRIE         */
 468         0,      /* TRIEC        */
 469         0,      /* AHOCORASICK  */
 470         0,      /* AHOCORASICKC */
 471         0,      /* GOSUB        */
 472         0,      /* GOSTART      */
 473         0,      /* NGROUPP      */
 474         0,      /* INSUBP       */
 475         0,      /* DEFINEP      */
 476         0,      /* ENDLIKE      */
 477         0,      /* OPFAIL       */
 478         0,      /* ACCEPT       */
 479         0,      /* VERB         */
 480         0,      /* PRUNE        */
 481         0,      /* MARKPOINT    */
 482         0,      /* SKIP         */
 483         0,      /* COMMIT       */
 484         0,      /* CUTGROUP     */
 485         0,      /* KEEPS        */
 486         0,      /* LNBREAK      */
 487         0,      /* OPTIMIZED    */
 488         0,      /* PSEUDO       */
 489 };
 490
 491 #endif /* REG_COMP_C */
 492
 493 /* reg_name[] - Opcode/state names in string form, for debugging */
 494
 495 #ifndef DOINIT
 496 EXTCONST char * PL_reg_name[];
 497 #else
 498 EXTCONST char * const PL_reg_name[] = {
 499         "END",                          /* 0000 */
 500         "SUCCEED",                      /* 0x01 */
 501         "BOL",                          /* 0x02 */
 502         "MBOL",                         /* 0x03 */
 503         "SBOL",                         /* 0x04 */
 504         "EOS",                          /* 0x05 */
 505         "EOL",                          /* 0x06 */
 506         "MEOL",                         /* 0x07 */
 507         "SEOL",                         /* 0x08 */
 508         "BOUND",                        /* 0x09 */
 509         "BOUNDL",                       /* 0x0a */
 510         "BOUNDU",                       /* 0x0b */
 511         "BOUNDA",                       /* 0x0c */
 512         "NBOUND",                       /* 0x0d */
 513         "NBOUNDL",                      /* 0x0e */
 514         "NBOUNDU",                      /* 0x0f */
 515         "NBOUNDA",                      /* 0x10 */
 516         "GPOS",                         /* 0x11 */
 517         "REG_ANY",                      /* 0x12 */
 518         "SANY",                         /* 0x13 */
 519         "CANY",                         /* 0x14 */
 520         "ANYOF",                        /* 0x15 */
 521         "POSIXD",                       /* 0x16 */
 522         "POSIXL",                       /* 0x17 */
 523         "POSIXU",                       /* 0x18 */
 524         "POSIXA",                       /* 0x19 */
 525         "NPOSIXD",                      /* 0x1a */
 526         "NPOSIXL",                      /* 0x1b */
 527         "NPOSIXU",                      /* 0x1c */
 528         "NPOSIXA",                      /* 0x1d */
 529         "CLUMP",                        /* 0x1e */
 530         "BRANCH",                       /* 0x1f */
 531         "BACK",                         /* 0x20 */
 532         "EXACT",                        /* 0x21 */
 533         "EXACTF",                       /* 0x22 */
 534         "EXACTFL",                      /* 0x23 */
 535         "EXACTFU",                      /* 0x24 */
 536         "EXACTFA",                      /* 0x25 */
 537         "EXACTFU_SS",                   /* 0x26 */
 538         "EXACTFA_NO_TRIE",              /* 0x27 */
 539         "NOTHING",                      /* 0x28 */
 540         "TAIL",                         /* 0x29 */
 541         "STAR",                         /* 0x2a */
 542         "PLUS",                         /* 0x2b */
 543         "CURLY",                        /* 0x2c */
 544         "CURLYN",                       /* 0x2d */
 545         "CURLYM",                       /* 0x2e */
 546         "CURLYX",                       /* 0x2f */
 547         "WHILEM",                       /* 0x30 */
 548         "OPEN",                         /* 0x31 */
 549         "CLOSE",                        /* 0x32 */
 550         "REF",                          /* 0x33 */
 551         "REFF",                         /* 0x34 */
 552         "REFFL",                        /* 0x35 */
 553         "REFFU",                        /* 0x36 */
 554         "REFFA",                        /* 0x37 */
 555         "NREF",                         /* 0x38 */
 556         "NREFF",                        /* 0x39 */
 557         "NREFFL",                       /* 0x3a */
 558         "NREFFU",                       /* 0x3b */
 559         "NREFFA",                       /* 0x3c */
 560         "IFMATCH",                      /* 0x3d */
 561         "UNLESSM",                      /* 0x3e */
 562         "SUSPEND",                      /* 0x3f */
 563         "IFTHEN",                       /* 0x40 */
 564         "GROUPP",                       /* 0x41 */
 565         "LONGJMP",                      /* 0x42 */
 566         "BRANCHJ",                      /* 0x43 */
 567         "EVAL",                         /* 0x44 */
 568         "MINMOD",                       /* 0x45 */
 569         "LOGICAL",                      /* 0x46 */
 570         "RENUM",                        /* 0x47 */
 571         "TRIE",                         /* 0x48 */
 572         "TRIEC",                        /* 0x49 */
 573         "AHOCORASICK",                  /* 0x4a */
 574         "AHOCORASICKC",                 /* 0x4b */
 575         "GOSUB",                        /* 0x4c */
 576         "GOSTART",                      /* 0x4d */
 577         "NGROUPP",                      /* 0x4e */
 578         "INSUBP",                       /* 0x4f */
 579         "DEFINEP",                      /* 0x50 */
 580         "ENDLIKE",                      /* 0x51 */
 581         "OPFAIL",                       /* 0x52 */
 582         "ACCEPT",                       /* 0x53 */
 583         "VERB",                         /* 0x54 */
 584         "PRUNE",                        /* 0x55 */
 585         "MARKPOINT",                    /* 0x56 */
 586         "SKIP",                         /* 0x57 */
 587         "COMMIT",                       /* 0x58 */
 588         "CUTGROUP",                     /* 0x59 */
 589         "KEEPS",                        /* 0x5a */
 590         "LNBREAK",                      /* 0x5b */
 591         "OPTIMIZED",                    /* 0x5c */
 592         "PSEUDO",                       /* 0x5d */
 593         /* ------------ States ------------- */
 594         "TRIE_next",                    /* REGNODE_MAX +0x01 */
 595         "TRIE_next_fail",               /* REGNODE_MAX +0x02 */
 596         "EVAL_AB",                      /* REGNODE_MAX +0x03 */
 597         "EVAL_AB_fail",                 /* REGNODE_MAX +0x04 */
 598         "CURLYX_end",                   /* REGNODE_MAX +0x05 */
 599         "CURLYX_end_fail",              /* REGNODE_MAX +0x06 */
 600         "WHILEM_A_pre",                 /* REGNODE_MAX +0x07 */
 601         "WHILEM_A_pre_fail",            /* REGNODE_MAX +0x08 */
 602         "WHILEM_A_min",                 /* REGNODE_MAX +0x09 */
 603         "WHILEM_A_min_fail",            /* REGNODE_MAX +0x0a */
 604         "WHILEM_A_max",                 /* REGNODE_MAX +0x0b */
 605         "WHILEM_A_max_fail",            /* REGNODE_MAX +0x0c */
 606         "WHILEM_B_min",                 /* REGNODE_MAX +0x0d */
 607         "WHILEM_B_min_fail",            /* REGNODE_MAX +0x0e */
 608         "WHILEM_B_max",                 /* REGNODE_MAX +0x0f */
 609         "WHILEM_B_max_fail",            /* REGNODE_MAX +0x10 */
 610         "BRANCH_next",                  /* REGNODE_MAX +0x11 */
 611         "BRANCH_next_fail",             /* REGNODE_MAX +0x12 */
 612         "CURLYM_A",                     /* REGNODE_MAX +0x13 */
 613         "CURLYM_A_fail",                /* REGNODE_MAX +0x14 */
 614         "CURLYM_B",                     /* REGNODE_MAX +0x15 */
 615         "CURLYM_B_fail",                /* REGNODE_MAX +0x16 */
 616         "IFMATCH_A",                    /* REGNODE_MAX +0x17 */
 617         "IFMATCH_A_fail",               /* REGNODE_MAX +0x18 */
 618         "CURLY_B_min_known",            /* REGNODE_MAX +0x19 */
 619         "CURLY_B_min_known_fail",       /* REGNODE_MAX +0x1a */
 620         "CURLY_B_min",                  /* REGNODE_MAX +0x1b */
 621         "CURLY_B_min_fail",             /* REGNODE_MAX +0x1c */
 622         "CURLY_B_max",                  /* REGNODE_MAX +0x1d */
 623         "CURLY_B_max_fail",             /* REGNODE_MAX +0x1e */
 624         "COMMIT_next",                  /* REGNODE_MAX +0x1f */
 625         "COMMIT_next_fail",             /* REGNODE_MAX +0x20 */
 626         "MARKPOINT_next",               /* REGNODE_MAX +0x21 */
 627         "MARKPOINT_next_fail",          /* REGNODE_MAX +0x22 */
 628         "SKIP_next",                    /* REGNODE_MAX +0x23 */
 629         "SKIP_next_fail",               /* REGNODE_MAX +0x24 */
 630         "CUTGROUP_next",                /* REGNODE_MAX +0x25 */
 631         "CUTGROUP_next_fail",           /* REGNODE_MAX +0x26 */
 632         "KEEPS_next",                   /* REGNODE_MAX +0x27 */
 633         "KEEPS_next_fail",              /* REGNODE_MAX +0x28 */
 634 };
 635 #endif /* DOINIT */
 636
 637 /* PL_reg_extflags_name[] - Opcode/state names in string form, for debugging */
 638
 639 #ifndef DOINIT
 640 EXTCONST char * PL_reg_extflags_name[];
 641 #else
 642 EXTCONST char * const PL_reg_extflags_name[] = {
 643         /* Bits in extflags defined: 11111110111111111111111111111111 */
 644         "MULTILINE",        /* 0x00000001 */
 645         "SINGLELINE",       /* 0x00000002 */
 646         "FOLD",             /* 0x00000004 */
 647         "EXTENDED",         /* 0x00000008 */
 648         "KEEPCOPY",         /* 0x00000010 */
 649         "CHARSET0",         /* 0x00000020 : "CHARSET" - 0x000000e0 */
 650         "CHARSET1",         /* 0x00000040 : "CHARSET" - 0x000000e0 */
 651         "CHARSET2",         /* 0x00000080 : "CHARSET" - 0x000000e0 */
 652         "SPLIT",            /* 0x00000100 */
 653         "IS_ANCHORED",      /* 0x00000200 */
 654         "UNUSED1",          /* 0x00000400 */
 655         "UNUSED2",          /* 0x00000800 */
 656         "UNUSED3",          /* 0x00001000 */
 657         "UNUSED4",          /* 0x00002000 */
 658         "UNUSED5",          /* 0x00004000 */
 659         "NO_INPLACE_SUBST", /* 0x00008000 */
 660         "EVAL_SEEN",        /* 0x00010000 */
 661         "UNUSED8",          /* 0x00020000 */
 662         "UNBOUNDED_QUANTIFIER_SEEN",/* 0x00040000 */
 663         "CHECK_ALL",        /* 0x00080000 */
 664         "MATCH_UTF8",       /* 0x00100000 */
 665         "USE_INTUIT_NOML",  /* 0x00200000 */
 666         "USE_INTUIT_ML",    /* 0x00400000 */
 667         "INTUIT_TAIL",      /* 0x00800000 */
 668         "UNUSED_BIT_24",    /* 0x01000000 */
 669         "COPY_DONE",        /* 0x02000000 */
 670         "TAINTED_SEEN",     /* 0x04000000 */
 671         "TAINTED",          /* 0x08000000 */
 672         "START_ONLY",       /* 0x10000000 */
 673         "SKIPWHITE",        /* 0x20000000 */
 674         "WHITE",            /* 0x40000000 */
 675         "NULL",             /* 0x80000000 */
 676 };
 677 #endif /* DOINIT */
 678
 679 #ifdef DEBUGGING
 680 #  define REG_EXTFLAGS_NAME_SIZE 32
 681 #endif
 682
 683 /* PL_reg_intflags_name[] - Opcode/state names in string form, for debugging */
 684
 685 #ifndef DOINIT
 686 EXTCONST char * PL_reg_intflags_name[];
 687 #else
 688 EXTCONST char * const PL_reg_intflags_name[] = {
 689         "SKIP",                       /* 0x00000001 - PREGf_SKIP */
 690         "IMPLICIT",                   /* 0x00000002 - PREGf_IMPLICIT -  Converted .* to ^.*  */
 691         "NAUGHTY",                    /* 0x00000004 - PREGf_NAUGHTY -  how exponential is this pattern?  */
 692         "VERBARG_SEEN",               /* 0x00000008 - PREGf_VERBARG_SEEN */
 693         "CUTGROUP_SEEN",              /* 0x00000010 - PREGf_CUTGROUP_SEEN */
 694         "USE_RE_EVAL",                /* 0x00000020 - PREGf_USE_RE_EVAL -  compiled with "use re 'eval'"  */
 695         "NOSCAN",                     /* 0x00000040 - PREGf_NOSCAN */
 696         "CANY_SEEN",                  /* 0x00000080 - PREGf_CANY_SEEN */
 697         "GPOS_SEEN",                  /* 0x00000100 - PREGf_GPOS_SEEN */
 698         "GPOS_FLOAT",                 /* 0x00000200 - PREGf_GPOS_FLOAT */
 699         "ANCH_BOL",                   /* 0x00000400 - PREGf_ANCH_BOL */
 700         "ANCH_MBOL",                  /* 0x00000800 - PREGf_ANCH_MBOL */
 701         "ANCH_SBOL",                  /* 0x00001000 - PREGf_ANCH_SBOL */
 702         "ANCH_GPOS",                  /* 0x00002000 - PREGf_ANCH_GPOS */
 703 };
 704 #endif /* DOINIT */
 705
 706 #ifdef DEBUGGING
 707 #  define REG_INTFLAGS_NAME_SIZE 14
 708 #endif
 709
 710 /* The following have no fixed length. U8 so we can do strchr() on it. */
 711 #define REGNODE_VARIES(node) (PL_varies_bitmask[(node) >> 3] & (1 << ((node) & 7)))
 712
 713 #ifndef DOINIT
 714 EXTCONST U8 PL_varies[] __attribute__deprecated__;
 715 #else
 716 EXTCONST U8 PL_varies[] __attribute__deprecated__ = {
 717     CLUMP, BRANCH, BACK, STAR, PLUS, CURLY, CURLYN, CURLYM, CURLYX, WHILEM,
 718     REF, REFF, REFFL, REFFU, REFFA, NREF, NREFF, NREFFL, NREFFU, NREFFA,
 719     SUSPEND, IFTHEN, BRANCHJ,
 720     0
 721 };
 722 #endif /* DOINIT */
 723
 724 #ifndef DOINIT
 725 EXTCONST U8 PL_varies_bitmask[];
 726 #else
 727 EXTCONST U8 PL_varies_bitmask[] = {
 728     0x00, 0x00, 0x00, 0xC0, 0x01, 0xFC, 0xF9, 0x9F, 0x09, 0x00, 0x00, 0x00
 729 };
 730 #endif /* DOINIT */
 731
 732 /* The following always have a length of 1. U8 we can do strchr() on it. */
 733 /* (Note that length 1 means "one character" under UTF8, not "one octet".) */
 734 #define REGNODE_SIMPLE(node) (PL_simple_bitmask[(node) >> 3] & (1 << ((node) & 7)))
 735
 736 #ifndef DOINIT
 737 EXTCONST U8 PL_simple[] __attribute__deprecated__;
 738 #else
 739 EXTCONST U8 PL_simple[] __attribute__deprecated__ = {
 740     REG_ANY, SANY, CANY, ANYOF, POSIXD, POSIXL, POSIXU, POSIXA, NPOSIXD,
 741     NPOSIXL, NPOSIXU, NPOSIXA,
 742     0
 743 };
 744 #endif /* DOINIT */
 745
 746 #ifndef DOINIT
 747 EXTCONST U8 PL_simple_bitmask[];
 748 #else
 749 EXTCONST U8 PL_simple_bitmask[] = {
 750     0x00, 0x00, 0xFC, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
 751 };
 752 #endif /* DOINIT */
 753
 754 /* ex: set ro: */