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regexp.h: Move bits around
[perl5.git] / regnodes.h
index 6f6e0b2..d132013 100644 (file)
@@ -6,8 +6,8 @@
 
 /* Regops and State definitions */
 
-#define REGNODE_MAX            84
-#define REGMATCH_STATE_MAX     124
+#define REGNODE_MAX            90
+#define REGMATCH_STATE_MAX     130
 
 #define        END                     0       /* 0000 End of program. */
 #define        SUCCEED                 1       /* 0x01 Return from a subroutine, basically. */
 #define        ENDLIKE                 73      /* 0x49 Used only for the type field of verbs */
 #define        OPFAIL                  74      /* 0x4a Same as (?!) */
 #define        ACCEPT                  75      /* 0x4b Accepts the current matched string. */
-#define        VERB                    76      /* 0x4c    no-sv 1      Used only for the type field of verbs */
+#define        VERB                    76      /* 0x4c Used only for the type field of verbs */
 #define        PRUNE                   77      /* 0x4d Pattern fails at this startpoint if no-backtracking through this */
 #define        MARKPOINT               78      /* 0x4e Push the current location for rollback by cut. */
 #define        SKIP                    79      /* 0x4f On failure skip forward (to the mark) before retrying */
 #define        COMMIT                  80      /* 0x50 Pattern fails outright if backtracking through this */
 #define        CUTGROUP                81      /* 0x51 On failure go to the next alternation in the group */
 #define        KEEPS                   82      /* 0x52 $& begins here. */
-#define        OPTIMIZED               83      /* 0x53 Placeholder for dump. */
-#define        PSEUDO                  84      /* 0x54 Pseudo opcode for internal use. */
+#define        LNBREAK                 83      /* 0x53 generic newline pattern */
+#define        VERTWS                  84      /* 0x54 vertical whitespace         (Perl 6) */
+#define        NVERTWS                 85      /* 0x55 not vertical whitespace     (Perl 6) */
+#define        HORIZWS                 86      /* 0x56 horizontal whitespace       (Perl 6) */
+#define        NHORIZWS                87      /* 0x57 not horizontal whitespace   (Perl 6) */
+#define        FOLDCHAR                88      /* 0x58 codepoint with tricky case folding properties. */
+#define        OPTIMIZED               89      /* 0x59 Placeholder for dump. */
+#define        PSEUDO                  90      /* 0x5a Pseudo opcode for internal use. */
        /* ------------ States ------------- */
 #define        TRIE_next               (REGNODE_MAX + 1)       /* state for TRIE */
 #define        TRIE_next_fail          (REGNODE_MAX + 2)       /* state for TRIE */
@@ -225,6 +231,12 @@ EXTCONST U8 PL_regkind[] = {
        VERB,           /* COMMIT                 */
        VERB,           /* CUTGROUP               */
        KEEPS,          /* KEEPS                  */
+       LNBREAK,        /* LNBREAK                */
+       VERTWS,         /* VERTWS                 */
+       NVERTWS,        /* NVERTWS                */
+       HORIZWS,        /* HORIZWS                */
+       NHORIZWS,       /* NHORIZWS               */
+       FOLDCHAR,       /* FOLDCHAR               */
        NOTHING,        /* OPTIMIZED              */
        PSEUDO,         /* PSEUDO                 */
        /* ------------ States ------------- */
@@ -351,13 +363,19 @@ static const U8 regarglen[] = {
        0,                                      /* ENDLIKE      */
        0,                                      /* OPFAIL       */
        EXTRA_SIZE(struct regnode_1),           /* ACCEPT       */
-       0,                                      /* VERB         */
+       EXTRA_SIZE(struct regnode_1),           /* VERB         */
        EXTRA_SIZE(struct regnode_1),           /* PRUNE        */
        EXTRA_SIZE(struct regnode_1),           /* MARKPOINT    */
        EXTRA_SIZE(struct regnode_1),           /* SKIP         */
        EXTRA_SIZE(struct regnode_1),           /* COMMIT       */
        EXTRA_SIZE(struct regnode_1),           /* CUTGROUP     */
        0,                                      /* KEEPS        */
+       0,                                      /* LNBREAK      */
+       0,                                      /* VERTWS       */
+       0,                                      /* NVERTWS      */
+       0,                                      /* HORIZWS      */
+       0,                                      /* NHORIZWS     */
+       EXTRA_SIZE(struct regnode_1),           /* FOLDCHAR     */
        0,                                      /* OPTIMIZED    */
        0,                                      /* PSEUDO       */
 };
@@ -448,6 +466,12 @@ static const char reg_off_by_arg[] = {
        0,      /* COMMIT       */
        0,      /* CUTGROUP     */
        0,      /* KEEPS        */
+       0,      /* LNBREAK      */
+       0,      /* VERTWS       */
+       0,      /* NVERTWS      */
+       0,      /* HORIZWS      */
+       0,      /* NHORIZWS     */
+       0,      /* FOLDCHAR     */
        0,      /* OPTIMIZED    */
        0,      /* PSEUDO       */
 };
@@ -459,7 +483,7 @@ static const char reg_off_by_arg[] = {
 #ifndef DOINIT
 EXTCONST char * PL_reg_name[];
 #else
-EXTCONST char * PL_reg_name[] = {
+EXTCONST char * const PL_reg_name[] = {
        "END",                          /* 0000 */
        "SUCCEED",                      /* 0x01 */
        "BOL",                          /* 0x02 */
@@ -543,8 +567,14 @@ EXTCONST char * PL_reg_name[] = {
        "COMMIT",                       /* 0x50 */
        "CUTGROUP",                     /* 0x51 */
        "KEEPS",                        /* 0x52 */
-       "OPTIMIZED",                    /* 0x53 */
-       "PSEUDO",                       /* 0x54 */
+       "LNBREAK",                      /* 0x53 */
+       "VERTWS",                       /* 0x54 */
+       "NVERTWS",                      /* 0x55 */
+       "HORIZWS",                      /* 0x56 */
+       "NHORIZWS",                     /* 0x57 */
+       "FOLDCHAR",                     /* 0x58 */
+       "OPTIMIZED",                    /* 0x59 */
+       "PSEUDO",                       /* 0x5a */
        /* ------------ States ------------- */
        "TRIE_next",                    /* REGNODE_MAX +0x01 */
        "TRIE_next_fail",               /* REGNODE_MAX +0x02 */
@@ -589,4 +619,90 @@ EXTCONST char * PL_reg_name[] = {
 };
 #endif /* DOINIT */
 
+/* PL_reg_extflags_name[] - Opcode/state names in string form, for debugging */
+
+#ifndef DOINIT
+EXTCONST char * PL_reg_extflags_name[];
+#else
+EXTCONST char * const PL_reg_extflags_name[] = {
+       /* Bits in extflags defined: 11111111111111111111111000111111 */
+       "MULTILINE",        /* 0x00000001 */
+       "SINGLELINE",       /* 0x00000002 */
+       "FOLD",             /* 0x00000004 */
+       "EXTENDED",         /* 0x00000008 */
+       "KEEPCOPY",         /* 0x00000010 */
+       "LOCALE",           /* 0x00000020 */
+       "UNUSED_BIT_6",     /* 0x00000040 */
+       "UNUSED_BIT_7",     /* 0x00000080 */
+       "UNUSED_BIT_8",     /* 0x00000100 */
+       "ANCH_BOL",         /* 0x00000200 */
+       "ANCH_MBOL",        /* 0x00000400 */
+       "ANCH_SBOL",        /* 0x00000800 */
+       "ANCH_GPOS",        /* 0x00001000 */
+       "GPOS_SEEN",        /* 0x00002000 */
+       "GPOS_FLOAT",       /* 0x00004000 */
+       "LOOKBEHIND_SEEN",  /* 0x00008000 */
+       "EVAL_SEEN",        /* 0x00010000 */
+       "CANY_SEEN",        /* 0x00020000 */
+       "NOSCAN",           /* 0x00040000 */
+       "CHECK_ALL",        /* 0x00080000 */
+       "MATCH_UTF8",       /* 0x00100000 */
+       "USE_INTUIT_NOML",  /* 0x00200000 */
+       "USE_INTUIT_ML",    /* 0x00400000 */
+       "INTUIT_TAIL",      /* 0x00800000 */
+       "SPLIT",            /* 0x01000000 */
+       "COPY_DONE",        /* 0x02000000 */
+       "TAINTED_SEEN",     /* 0x04000000 */
+       "TAINTED",          /* 0x08000000 */
+       "START_ONLY",       /* 0x10000000 */
+       "SKIPWHITE",        /* 0x20000000 */
+       "WHITE",            /* 0x40000000 */
+       "NULL",             /* 0x80000000 */
+};
+#endif /* DOINIT */
+
+/* The following have no fixed length. U8 so we can do strchr() on it. */
+#define REGNODE_VARIES(node) (PL_varies_bitmask[(node) >> 3] & (1 << ((node) & 7)))
+
+#ifndef DOINIT
+EXTCONST U8 PL_varies[] __attribute__deprecated__;
+#else
+EXTCONST U8 PL_varies[] __attribute__deprecated__ = {
+    CLUMP, BRANCH, BACK, STAR, PLUS, CURLY, CURLYN, CURLYM, CURLYX, WHILEM,
+    REF, REFF, REFFL, SUSPEND, IFTHEN, BRANCHJ, NREF, NREFF, NREFFL,
+    0
+};
+#endif /* DOINIT */
+
+#ifndef DOINIT
+EXTCONST U8 PL_varies_bitmask[];
+#else
+EXTCONST U8 PL_varies_bitmask[] = {
+    0x00, 0x00, 0x00, 0xC0, 0xC1, 0x9F, 0x33, 0x01, 0x38, 0x00, 0x00, 0x00
+};
+#endif /* DOINIT */
+
+/* The following always have a length of 1. U8 we can do strchr() on it. */
+/* (Note that length 1 means "one character" under UTF8, not "one octet".) */
+#define REGNODE_SIMPLE(node) (PL_simple_bitmask[(node) >> 3] & (1 << ((node) & 7)))
+
+#ifndef DOINIT
+EXTCONST U8 PL_simple[] __attribute__deprecated__;
+#else
+EXTCONST U8 PL_simple[] __attribute__deprecated__ = {
+    REG_ANY, SANY, CANY, ANYOF, ALNUM, ALNUML, NALNUM, NALNUML, SPACE,
+    SPACEL, NSPACE, NSPACEL, DIGIT, NDIGIT, VERTWS, NVERTWS, HORIZWS,
+    NHORIZWS,
+    0
+};
+#endif /* DOINIT */
+
+#ifndef DOINIT
+EXTCONST U8 PL_simple_bitmask[];
+#else
+EXTCONST U8 PL_simple_bitmask[] = {
+    0x00, 0xC0, 0xFF, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF0, 0x00
+};
+#endif /* DOINIT */
+
 /* ex: set ro: */