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[perl5.git] / regcomp.c
index 248272b..1e1dcfd 100644 (file)
--- a/regcomp.c
+++ b/regcomp.c
@@ -86,6 +86,9 @@
 #endif
 
 #include "dquote_static.c"
+#ifndef PERL_IN_XSUB_RE
+#  include "charclass_invlists.h"
+#endif
 
 #ifdef op
 #undef op
@@ -2712,7 +2715,7 @@ S_join_exact(pTHX_ RExC_state_t *pRExC_state, regnode *scan, UV *min_subtract, b
         * This uses an exclusive 'or' to find that bit and then inverts it to
         * form a mask, with just a single 0, in the bit position where 'S' and
         * 's' differ. */
-       const U8 S_or_s_mask = ~ ('S' ^ 's');
+       const U8 S_or_s_mask = (U8) ~ ('S' ^ 's');
        const U8 s_masked = 's' & S_or_s_mask;
 
        /* One pass is made over the node's string looking for all the
@@ -4813,6 +4816,64 @@ Perl_re_compile(pTHX_ SV * const pattern, U32 orig_pm_flags)
 
     DEBUG_r(if (!PL_colorset) reginitcolors());
 
+#ifndef PERL_IN_XSUB_RE
+    /* Initialize these here instead of as-needed, as is quick and avoids
+     * having to test them each time otherwise */
+    if (! PL_AboveLatin1) {
+       PL_AboveLatin1 = _new_invlist_C_array(AboveLatin1_invlist);
+       PL_ASCII = _new_invlist_C_array(ASCII_invlist);
+       PL_Latin1 = _new_invlist_C_array(Latin1_invlist);
+
+       PL_L1PosixAlnum = _new_invlist_C_array(L1PosixAlnum_invlist);
+       PL_PosixAlnum = _new_invlist_C_array(PosixAlnum_invlist);
+
+       PL_L1PosixAlpha = _new_invlist_C_array(L1PosixAlpha_invlist);
+       PL_PosixAlpha = _new_invlist_C_array(PosixAlpha_invlist);
+
+       PL_PosixBlank = _new_invlist_C_array(PosixBlank_invlist);
+       PL_XPosixBlank = _new_invlist_C_array(XPosixBlank_invlist);
+
+       PL_L1Cased = _new_invlist_C_array(L1Cased_invlist);
+
+       PL_PosixCntrl = _new_invlist_C_array(PosixCntrl_invlist);
+       PL_XPosixCntrl = _new_invlist_C_array(XPosixCntrl_invlist);
+
+       PL_PosixDigit = _new_invlist_C_array(PosixDigit_invlist);
+
+       PL_L1PosixGraph = _new_invlist_C_array(L1PosixGraph_invlist);
+       PL_PosixGraph = _new_invlist_C_array(PosixGraph_invlist);
+
+       PL_L1PosixAlnum = _new_invlist_C_array(L1PosixAlnum_invlist);
+       PL_PosixAlnum = _new_invlist_C_array(PosixAlnum_invlist);
+
+       PL_L1PosixLower = _new_invlist_C_array(L1PosixLower_invlist);
+       PL_PosixLower = _new_invlist_C_array(PosixLower_invlist);
+
+       PL_L1PosixPrint = _new_invlist_C_array(L1PosixPrint_invlist);
+       PL_PosixPrint = _new_invlist_C_array(PosixPrint_invlist);
+
+       PL_L1PosixPunct = _new_invlist_C_array(L1PosixPunct_invlist);
+       PL_PosixPunct = _new_invlist_C_array(PosixPunct_invlist);
+
+       PL_PerlSpace = _new_invlist_C_array(PerlSpace_invlist);
+       PL_XPerlSpace = _new_invlist_C_array(XPerlSpace_invlist);
+
+       PL_PosixSpace = _new_invlist_C_array(PosixSpace_invlist);
+       PL_XPosixSpace = _new_invlist_C_array(XPosixSpace_invlist);
+
+       PL_L1PosixUpper = _new_invlist_C_array(L1PosixUpper_invlist);
+       PL_PosixUpper = _new_invlist_C_array(PosixUpper_invlist);
+
+       PL_VertSpace = _new_invlist_C_array(VertSpace_invlist);
+
+       PL_PosixWord = _new_invlist_C_array(PosixWord_invlist);
+       PL_L1PosixWord = _new_invlist_C_array(L1PosixWord_invlist);
+
+       PL_PosixXDigit = _new_invlist_C_array(PosixXDigit_invlist);
+       PL_XPosixXDigit = _new_invlist_C_array(XPosixXDigit_invlist);
+    }
+#endif
+
     exp = SvPV(pattern, plen);
 
     if (plen == 0) { /* ignore the utf8ness if the pattern is 0 length */
@@ -6140,7 +6201,19 @@ S_reg_scan_name(pTHX_ RExC_state_t *pRExC_state, U32 flags)
 #define INVLIST_LEN_OFFSET 0   /* Number of elements in the inversion list */
 #define INVLIST_ITER_OFFSET 1  /* Current iteration position */
 
-#define INVLIST_ZERO_OFFSET 2  /* 0 or 1; must be last element in header */
+/* This is a combination of a version and data structure type, so that one
+ * being passed in can be validated to be an inversion list of the correct
+ * vintage.  When the structure of the header is changed, a new random number
+ * in the range 2**31-1 should be generated and the new() method changed to
+ * insert that at this location.  Then, if an auxiliary program doesn't change
+ * correspondingly, it will be discovered immediately */
+#define INVLIST_VERSION_ID_OFFSET 2
+#define INVLIST_VERSION_ID 1064334010
+
+/* For safety, when adding new elements, remember to #undef them at the end of
+ * the inversion list code section */
+
+#define INVLIST_ZERO_OFFSET 3  /* 0 or 1; must be last element in header */
 /* The UV at position ZERO contains either 0 or 1.  If 0, the inversion list
  * contains the code point U+00000, and begins here.  If 1, the inversion list
  * doesn't contain U+0000, and it begins at the next UV in the array.
@@ -6300,10 +6373,39 @@ Perl__new_invlist(pTHX_ IV initial_size)
      * properly */
     *get_invlist_zero_addr(new_list) = UV_MAX;
 
+    *get_invlist_version_id_addr(new_list) = INVLIST_VERSION_ID;
+#if HEADER_LENGTH != 4
+#   error Need to regenerate VERSION_ID by running perl -E 'say int(rand 2**31-1)', and then changing the #if to the new length
+#endif
+
     return new_list;
 }
 #endif
 
+STATIC SV*
+S__new_invlist_C_array(pTHX_ UV* list)
+{
+    /* Return a pointer to a newly constructed inversion list, initialized to
+     * point to <list>, which has to be in the exact correct inversion list
+     * form, including internal fields.  Thus this is a dangerous routine that
+     * should not be used in the wrong hands */
+
+    SV* invlist = newSV_type(SVt_PV);
+
+    PERL_ARGS_ASSERT__NEW_INVLIST_C_ARRAY;
+
+    SvPV_set(invlist, (char *) list);
+    SvLEN_set(invlist, 0);  /* Means we own the contents, and the system
+                              shouldn't touch it */
+    SvCUR_set(invlist, TO_INTERNAL_SIZE(invlist_len(invlist)));
+
+    if (*get_invlist_version_id_addr(invlist) != INVLIST_VERSION_ID) {
+        Perl_croak(aTHX_ "panic: Incorrect version for previously generated inversion list");
+    }
+
+    return invlist;
+}
+
 STATIC void
 S_invlist_extend(pTHX_ SV* const invlist, const UV new_max)
 {
@@ -6330,6 +6432,8 @@ S_invlist_trim(pTHX_ SV* const invlist)
 #define ELEMENT_RANGE_MATCHES_INVLIST(i) (! ((i) & 1))
 #define PREV_RANGE_MATCHES_INVLIST(i) (! ELEMENT_RANGE_MATCHES_INVLIST(i))
 
+#define _invlist_union_complement_2nd(a, b, output) _invlist_union_maybe_complement_2nd(a, b, TRUE, output)
+
 #ifndef PERL_IN_XSUB_RE
 void
 Perl__append_range_to_invlist(pTHX_ SV* const invlist, const UV start, const UV end)
@@ -6535,6 +6639,7 @@ Perl__invlist_populate_swatch(pTHX_ SV* const invlist, const UV start, const UV
     return;
 }
 
+
 void
 Perl__invlist_union_maybe_complement_2nd(pTHX_ SV* const a, SV* const b, bool complement_b, SV** output)
 {
@@ -7143,6 +7248,16 @@ S_get_invlist_iter_addr(pTHX_ SV* invlist)
     return (UV *) (SvPVX(invlist) + (INVLIST_ITER_OFFSET * sizeof (UV)));
 }
 
+PERL_STATIC_INLINE UV*
+S_get_invlist_version_id_addr(pTHX_ SV* invlist)
+{
+    /* Return the address of the UV that contains the version id. */
+
+    PERL_ARGS_ASSERT_GET_INVLIST_VERSION_ID_ADDR;
+
+    return (UV *) (SvPVX(invlist) + (INVLIST_VERSION_ID_OFFSET * sizeof (UV)));
+}
+
 PERL_STATIC_INLINE void
 S_invlist_iterinit(pTHX_ SV* invlist)  /* Initialize iterator for invlist */
 {
@@ -7248,6 +7363,7 @@ S_invlist_dump(pTHX_ SV* const invlist, const char * const header)
 #undef INVLIST_LEN_OFFSET
 #undef INVLIST_ZERO_OFFSET
 #undef INVLIST_ITER_OFFSET
+#undef INVLIST_VERSION_ID
 
 /* End of inversion list object */
 
@@ -9917,91 +10033,132 @@ S_checkposixcc(pTHX_ RExC_state_t *pRExC_state)
     }
 }
 
-/* No locale test, and always Unicode semantics, no ignore-case differences */
-#define _C_C_T_NOLOC_(NAME,TEST,WORD)                                          \
-ANYOF_##NAME:                                                                  \
-       for (value = 0; value < 256; value++)                                  \
-           if (TEST)                                                          \
-           stored += set_regclass_bit(pRExC_state, ret, (U8) value, &l1_fold_invlist, &unicode_alternate);  \
-    yesno = '+';                                                               \
-    what = WORD;                                                               \
-    break;                                                                     \
-case ANYOF_N##NAME:                                                            \
-       for (value = 0; value < 256; value++)                                  \
-           if (!TEST)                                                         \
-           stored += set_regclass_bit(pRExC_state, ret, (U8) value, &l1_fold_invlist, &unicode_alternate);  \
-    yesno = '!';                                                               \
-    what = WORD;                                                               \
-    break
-
-/* Like the above, but there are differences if we are in uni-8-bit or not, so
- * there are two tests passed in, to use depending on that. There aren't any
- * cases where the label is different from the name, so no need for that
- * parameter.
- * Sets 'what' to WORD which is the property name for non-bitmap code points;
- * But, uses FOLD_WORD instead if /i has been selected, to allow a different
- * property name */
-#define _C_C_T_(NAME, TEST_8, TEST_7, WORD, FOLD_WORD)                         \
-ANYOF_##NAME:                                                                  \
-    if (LOC) ANYOF_CLASS_SET(ret, ANYOF_##NAME);                               \
-    else if (UNI_SEMANTICS) {                                                  \
-        for (value = 0; value < 256; value++) {                                \
-            if (TEST_8(value)) stored +=                                       \
-                      set_regclass_bit(pRExC_state, ret, (U8) value, &l1_fold_invlist, &unicode_alternate);  \
-        }                                                                      \
-    }                                                                          \
-    else {                                                                     \
-        for (value = 0; value < 128; value++) {                                \
-            if (TEST_7(UNI_TO_NATIVE(value))) stored +=                        \
-               set_regclass_bit(pRExC_state, ret,                     \
-                                  (U8) UNI_TO_NATIVE(value), &l1_fold_invlist, &unicode_alternate);                 \
-        }                                                                      \
-    }                                                                          \
-    yesno = '+';                                                               \
-    if (FOLD) {                                                                \
-        what = FOLD_WORD;                                                      \
-    }                                                                          \
-    else {                                                                     \
-        what = WORD;                                                           \
-    }                                                                          \
-    break;                                                                     \
-case ANYOF_N##NAME:                                                            \
-    if (LOC) ANYOF_CLASS_SET(ret, ANYOF_N##NAME);                              \
-    else if (UNI_SEMANTICS) {                                                  \
-        for (value = 0; value < 256; value++) {                                \
-            if (! TEST_8(value)) stored +=                                     \
-                   set_regclass_bit(pRExC_state, ret, (U8) value, &l1_fold_invlist, &unicode_alternate);    \
-        }                                                                      \
-    }                                                                          \
-    else {                                                                     \
-        for (value = 0; value < 128; value++) {                                \
-            if (! TEST_7(UNI_TO_NATIVE(value))) stored += set_regclass_bit(  \
-                       pRExC_state, ret, (U8) UNI_TO_NATIVE(value), &l1_fold_invlist, &unicode_alternate);    \
-        }                                                                      \
-       if (AT_LEAST_ASCII_RESTRICTED) {                                       \
-           for (value = 128; value < 256; value++) {                          \
-             stored += set_regclass_bit(                                     \
-                          pRExC_state, ret, (U8) UNI_TO_NATIVE(value), &l1_fold_invlist, &unicode_alternate); \
-           }                                                                  \
-           ANYOF_FLAGS(ret) |= ANYOF_UNICODE_ALL;                             \
-       }                                                                      \
-       else {                                                                 \
-           /* For a non-ut8 target string with DEPENDS semantics, all above   \
-            * ASCII Latin1 code points match the complement of any of the     \
-            * classes.  But in utf8, they have their Unicode semantics, so    \
-            * can't just set them in the bitmap, or else regexec.c will think \
-            * they matched when they shouldn't. */                            \
-           ANYOF_FLAGS(ret) |= ANYOF_NON_UTF8_LATIN1_ALL;                     \
-       }                                                                      \
-    }                                                                          \
-    yesno = '!';                                                               \
-    if (FOLD) {                                                                \
-        what = FOLD_WORD;                                                      \
-    }                                                                          \
-    else {                                                                     \
-        what = WORD;                                                           \
-    }                                                                          \
-    break
+/* Generate the code to add a full posix character <class> to the bracketed
+ * character class given by <node>.  (<node> is needed only under locale rules)
+ * destlist     is the inversion list for non-locale rules that this class is
+ *              to be added to
+ * sourcelist   is the ASCII-range inversion list to add under /a rules
+ * Xsourcelist  is the full Unicode range list to use otherwise. */
+#define DO_POSIX(node, class, destlist, sourcelist, Xsourcelist)           \
+    if (LOC) {                                                             \
+       SV* scratch_list = NULL;                                           \
+                                                                           \
+        /* Set this class in the node for runtime matching */              \
+        ANYOF_CLASS_SET(node, class);                                      \
+                                                                           \
+        /* For above Latin1 code points, we use the full Unicode range */  \
+        _invlist_intersection(PL_AboveLatin1,                              \
+                              Xsourcelist,                                 \
+                              &scratch_list);                              \
+        /* And set the output to it, adding instead if there already is an \
+        * output.  Checking if <destlist> is NULL first saves an extra    \
+        * clone.  Its reference count will be decremented at the next     \
+        * union, etc, or if this is the only instance, at the end of the  \
+        * routine */                                                      \
+        if (! destlist) {                                                  \
+            destlist = scratch_list;                                       \
+        }                                                                  \
+        else {                                                             \
+            _invlist_union(destlist, scratch_list, &destlist);             \
+            SvREFCNT_dec(scratch_list);                                    \
+        }                                                                  \
+    }                                                                      \
+    else {                                                                 \
+        /* For non-locale, just add it to any existing list */             \
+        _invlist_union(destlist,                                           \
+                       (AT_LEAST_ASCII_RESTRICTED)                         \
+                           ? sourcelist                                    \
+                           : Xsourcelist,                                  \
+                       &destlist);                                         \
+    }
+
+/* Like DO_POSIX, but matches the complement of <sourcelist> and <Xsourcelist>.
+ */
+#define DO_N_POSIX(node, class, destlist, sourcelist, Xsourcelist)         \
+    if (LOC) {                                                             \
+        SV* scratch_list = NULL;                                           \
+        ANYOF_CLASS_SET(node, class);                                     \
+        _invlist_subtract(PL_AboveLatin1, Xsourcelist, &scratch_list);    \
+        if (! destlist) {                                                 \
+            destlist = scratch_list;                                      \
+        }                                                                  \
+        else {                                                             \
+            _invlist_union(destlist, scratch_list, &destlist);             \
+            SvREFCNT_dec(scratch_list);                                    \
+        }                                                                  \
+    }                                                                      \
+    else {                                                                 \
+        _invlist_union_complement_2nd(destlist,                            \
+                                    (AT_LEAST_ASCII_RESTRICTED)            \
+                                        ? sourcelist                       \
+                                        : Xsourcelist,                     \
+                                    &destlist);                            \
+        /* Under /d, everything in the upper half of the Latin1 range      \
+         * matches this complement */                                      \
+        if (DEPENDS_SEMANTICS) {                                           \
+            ANYOF_FLAGS(node) |= ANYOF_NON_UTF8_LATIN1_ALL;                \
+        }                                                                  \
+    }
+
+/* Generate the code to add a posix character <class> to the bracketed
+ * character class given by <node>.  (<node> is needed only under locale rules)
+ * destlist       is the inversion list for non-locale rules that this class is
+ *                to be added to
+ * sourcelist     is the ASCII-range inversion list to add under /a rules
+ * l1_sourcelist  is the Latin1 range list to use otherwise.
+ * Xpropertyname  is the name to add to <run_time_list> of the property to
+ *                specify the code points above Latin1 that will have to be
+ *                determined at run-time
+ * run_time_list  is a SV* that contains text names of properties that are to
+ *                be computed at run time.  This concatenates <Xpropertyname>
+ *                to it, apppropriately
+ * This is essentially DO_POSIX, but we know only the Latin1 values at compile
+ * time */
+#define DO_POSIX_LATIN1_ONLY_KNOWN(node, class, destlist, sourcelist,      \
+                              l1_sourcelist, Xpropertyname, run_time_list) \
+    /* If not /a matching, there are going to be code points we will have  \
+     * to defer to runtime to look-up */                                   \
+    if (! AT_LEAST_ASCII_RESTRICTED) {                                     \
+        Perl_sv_catpvf(aTHX_ run_time_list, "+utf8::%s\n", Xpropertyname); \
+    }                                                                      \
+    if (LOC) {                                                             \
+        ANYOF_CLASS_SET(node, class);                                      \
+    }                                                                      \
+    else {                                                                 \
+        _invlist_union(destlist,                                           \
+                       (AT_LEAST_ASCII_RESTRICTED)                         \
+                           ? sourcelist                                    \
+                           : l1_sourcelist,                                \
+                       &destlist);                                         \
+    }
+
+/* Like DO_POSIX_LATIN1_ONLY_KNOWN, but for the complement.  A combination of
+ * this and DO_N_POSIX */
+#define DO_N_POSIX_LATIN1_ONLY_KNOWN(node, class, destlist, sourcelist,    \
+                              l1_sourcelist, Xpropertyname, run_time_list) \
+    if (AT_LEAST_ASCII_RESTRICTED) {                                       \
+        _invlist_union_complement_2nd(destlist, sourcelist, &destlist);    \
+    }                                                                      \
+    else {                                                                 \
+        Perl_sv_catpvf(aTHX_ run_time_list, "!utf8::%s\n", Xpropertyname); \
+       if (LOC) {                                                         \
+           ANYOF_CLASS_SET(node, namedclass);                             \
+       }                                                                  \
+       else {                                                             \
+            SV* scratch_list = NULL;                                       \
+           _invlist_subtract(PL_Latin1, l1_sourcelist, &scratch_list);    \
+           if (! destlist) {                                              \
+               destlist = scratch_list;                                   \
+           }                                                              \
+           else {                                                         \
+               _invlist_union(destlist, scratch_list, &destlist);         \
+               SvREFCNT_dec(scratch_list);                                \
+           }                                                              \
+           if (DEPENDS_SEMANTICS) {                                       \
+               ANYOF_FLAGS(node) |= ANYOF_NON_UTF8_LATIN1_ALL;            \
+           }                                                              \
+       }                                                                  \
+    }
 
 STATIC U8
 S_set_regclass_bit_fold(pTHX_ RExC_state_t *pRExC_state, regnode* node, const U8 value, SV** invlist_ptr, AV** alternate_ptr)
@@ -10478,18 +10635,7 @@ parseit:
 
                         /* Invert if asking for the complement */
                         if (value == 'P') {
-
-                           /* Add to any existing list */
-                           if (! properties) {
-                               properties = invlist_clone(invlist);
-                               _invlist_invert(properties);
-                           }
-                           else {
-                               invlist = invlist_clone(invlist);
-                               _invlist_invert(invlist);
-                               _invlist_union(properties, invlist, &properties);
-                               SvREFCNT_dec(invlist);
-                           }
+                           _invlist_union_complement_2nd(properties, invlist, &properties);
 
                             /* The swash can't be used as-is, because we've
                             * inverted things; delay removing it to here after
@@ -10642,85 +10788,209 @@ parseit:
            }
 
            if (!SIZE_ONLY) {
-               const char *what = NULL;
-               char yesno = 0;
 
                /* Possible truncation here but in some 64-bit environments
                 * the compiler gets heartburn about switch on 64-bit values.
                 * A similar issue a little earlier when switching on value.
                 * --jhi */
                switch ((I32)namedclass) {
-               
-               case _C_C_T_(ALNUMC, isALNUMC_L1, isALNUMC, "XPosixAlnum", "XPosixAlnum");
-               case _C_C_T_(ALPHA, isALPHA_L1, isALPHA, "XPosixAlpha", "XPosixAlpha");
-               case _C_C_T_(BLANK, isBLANK_L1, isBLANK, "XPosixBlank", "XPosixBlank");
-               case _C_C_T_(CNTRL, isCNTRL_L1, isCNTRL, "XPosixCntrl", "XPosixCntrl");
-               case _C_C_T_(GRAPH, isGRAPH_L1, isGRAPH, "XPosixGraph", "XPosixGraph");
-               case _C_C_T_(LOWER, isLOWER_L1, isLOWER, "XPosixLower", "__XPosixLower_i");
-               case _C_C_T_(PRINT, isPRINT_L1, isPRINT, "XPosixPrint", "XPosixPrint");
-               case _C_C_T_(PSXSPC, isPSXSPC_L1, isPSXSPC, "XPosixSpace", "XPosixSpace");
-               case _C_C_T_(PUNCT, isPUNCT_L1, isPUNCT, "XPosixPunct", "XPosixPunct");
-               case _C_C_T_(UPPER, isUPPER_L1, isUPPER, "XPosixUpper", "__XPosixUpper_i");
-                /* \s, \w match all unicode if utf8. */
-                case _C_C_T_(SPACE, isSPACE_L1, isSPACE, "SpacePerl", "SpacePerl");
-                case _C_C_T_(ALNUM, isWORDCHAR_L1, isALNUM, "Word", "Word");
-               case _C_C_T_(XDIGIT, isXDIGIT_L1, isXDIGIT, "XPosixXDigit", "XPosixXDigit");
-               case _C_C_T_NOLOC_(VERTWS, is_VERTWS_latin1(&value), "VertSpace");
-               case _C_C_T_NOLOC_(HORIZWS, is_HORIZWS_latin1(&value), "HorizSpace");
+
+               case ANYOF_ALNUMC: /* C's alnum, in contrast to \w */
+                   DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixAlnum, PL_L1PosixAlnum, "XPosixAlnum", listsv);
+                   break;
+               case ANYOF_NALNUMC:
+                   DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixAlnum, PL_L1PosixAlnum, "XPosixAlnum", listsv);
+                   break;
+               case ANYOF_ALPHA:
+                   DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixAlpha, PL_L1PosixAlpha, "XPosixAlpha", listsv);
+                   break;
+               case ANYOF_NALPHA:
+                   DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixAlpha, PL_L1PosixAlpha, "XPosixAlpha", listsv);
+                   break;
                case ANYOF_ASCII:
-                   if (LOC)
-                       ANYOF_CLASS_SET(ret, ANYOF_ASCII);
-                   else {
-                       for (value = 0; value < 128; value++)
-                           stored +=
-                              set_regclass_bit(pRExC_state, ret, (U8) ASCII_TO_NATIVE(value), &l1_fold_invlist, &unicode_alternate);
+                   if (LOC) {
+                       ANYOF_CLASS_SET(ret, namedclass);
                    }
-                   yesno = '+';
-                   what = NULL;        /* Doesn't match outside ascii, so
-                                          don't want to add +utf8:: */
+                    else {
+                        _invlist_union(properties, PL_ASCII, &properties);
+                    }
                    break;
                case ANYOF_NASCII:
-                   if (LOC)
-                       ANYOF_CLASS_SET(ret, ANYOF_NASCII);
-                   else {
-                       for (value = 128; value < 256; value++)
-                           stored +=
-                              set_regclass_bit(pRExC_state, ret, (U8) ASCII_TO_NATIVE(value), &l1_fold_invlist, &unicode_alternate);
+                   if (LOC) {
+                       ANYOF_CLASS_SET(ret, namedclass);
                    }
-                   ANYOF_FLAGS(ret) |= ANYOF_UNICODE_ALL;
-                   yesno = '!';
-                   what = "ASCII";
-                   break;              
+                    else {
+                        _invlist_union_complement_2nd(properties,
+                                                    PL_ASCII, &properties);
+                        if (DEPENDS_SEMANTICS) {
+                            ANYOF_FLAGS(ret) |= ANYOF_NON_UTF8_LATIN1_ALL;
+                        }
+                    }
+                   break;
+               case ANYOF_BLANK:
+                    DO_POSIX(ret, namedclass, properties,
+                                            PL_PosixBlank, PL_XPosixBlank);
+                   break;
+               case ANYOF_NBLANK:
+                    DO_N_POSIX(ret, namedclass, properties,
+                                            PL_PosixBlank, PL_XPosixBlank);
+                   break;
+               case ANYOF_CNTRL:
+                    DO_POSIX(ret, namedclass, properties,
+                                            PL_PosixCntrl, PL_XPosixCntrl);
+                   break;
+               case ANYOF_NCNTRL:
+                    DO_N_POSIX(ret, namedclass, properties,
+                                            PL_PosixCntrl, PL_XPosixCntrl);
+                   break;
                case ANYOF_DIGIT:
-                   if (LOC)
-                       ANYOF_CLASS_SET(ret, ANYOF_DIGIT);
+                   DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixDigit, PL_PosixDigit, "XPosixDigit", listsv);
+                   break;
+               case ANYOF_NDIGIT:
+                   DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixDigit, PL_PosixDigit, "XPosixDigit", listsv);
+                   break;
+               case ANYOF_GRAPH:
+                   DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixGraph, PL_L1PosixGraph, "XPosixGraph", listsv);
+                   break;
+               case ANYOF_NGRAPH:
+                   DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixGraph, PL_L1PosixGraph, "XPosixGraph", listsv);
+                   break;
+               case ANYOF_HORIZWS:
+                   /* For these, we use the nonbitmap, as /d doesn't make a
+                    * difference in what these match.  There would be problems
+                    * if these characters had folds other than themselves, as
+                    * nonbitmap is subject to folding.  It turns out that \h
+                    * is just a synonym for XPosixBlank */
+                   _invlist_union(nonbitmap, PL_XPosixBlank, &nonbitmap);
+                   break;
+               case ANYOF_NHORIZWS:
+                    _invlist_union_complement_2nd(nonbitmap,
+                                                 PL_XPosixBlank, &nonbitmap);
+                   break;
+               case ANYOF_LOWER:
+               case ANYOF_NLOWER:
+                {   /* These require special handling, as they differ under
+                      folding, matching Cased there (which in the ASCII range
+                      is the same as Alpha */
+
+                   SV* ascii_source;
+                   SV* l1_source;
+                   const char *Xname;
+
+                   if (FOLD && ! LOC) {
+                       ascii_source = PL_PosixAlpha;
+                       l1_source = PL_L1Cased;
+                       Xname = "Cased";
+                   }
+                   else {
+                       ascii_source = PL_PosixLower;
+                       l1_source = PL_L1PosixLower;
+                       Xname = "XPosixLower";
+                   }
+                   if (namedclass == ANYOF_LOWER) {
+                       DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                                    ascii_source, l1_source, Xname, listsv);
+                   }
                    else {
-                       /* consecutive digits assumed */
-                       for (value = '0'; value <= '9'; value++)
-                           stored +=
-                              set_regclass_bit(pRExC_state, ret, (U8) value, &l1_fold_invlist, &unicode_alternate);
+                       DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass,
+                            properties, ascii_source, l1_source, Xname, listsv);
                    }
-                   yesno = '+';
-                   what = "Digit";
                    break;
-               case ANYOF_NDIGIT:
-                   if (LOC)
-                       ANYOF_CLASS_SET(ret, ANYOF_NDIGIT);
+               }
+               case ANYOF_PRINT:
+                   DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixPrint, PL_L1PosixPrint, "XPosixPrint", listsv);
+                   break;
+               case ANYOF_NPRINT:
+                   DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixPrint, PL_L1PosixPrint, "XPosixPrint", listsv);
+                   break;
+               case ANYOF_PUNCT:
+                   DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixPunct, PL_L1PosixPunct, "XPosixPunct", listsv);
+                   break;
+               case ANYOF_NPUNCT:
+                   DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                        PL_PosixPunct, PL_L1PosixPunct, "XPosixPunct", listsv);
+                   break;
+               case ANYOF_PSXSPC:
+                    DO_POSIX(ret, namedclass, properties,
+                                            PL_PosixSpace, PL_XPosixSpace);
+                   break;
+               case ANYOF_NPSXSPC:
+                    DO_N_POSIX(ret, namedclass, properties,
+                                            PL_PosixSpace, PL_XPosixSpace);
+                   break;
+               case ANYOF_SPACE:
+                    DO_POSIX(ret, namedclass, properties,
+                                            PL_PerlSpace, PL_XPerlSpace);
+                   break;
+               case ANYOF_NSPACE:
+                    DO_N_POSIX(ret, namedclass, properties,
+                                            PL_PerlSpace, PL_XPerlSpace);
+                   break;
+               case ANYOF_UPPER:   /* Same as LOWER, above */
+               case ANYOF_NUPPER:
+               {
+                   SV* ascii_source;
+                   SV* l1_source;
+                   const char *Xname;
+
+                   if (FOLD && ! LOC) {
+                       ascii_source = PL_PosixAlpha;
+                       l1_source = PL_L1Cased;
+                       Xname = "Cased";
+                   }
                    else {
-                       /* consecutive digits assumed */
-                       for (value = 0; value < '0'; value++)
-                           stored +=
-                              set_regclass_bit(pRExC_state, ret, (U8) value, &l1_fold_invlist, &unicode_alternate);
-                       for (value = '9' + 1; value < 256; value++)
-                           stored +=
-                              set_regclass_bit(pRExC_state, ret, (U8) value, &l1_fold_invlist, &unicode_alternate);
+                       ascii_source = PL_PosixUpper;
+                       l1_source = PL_L1PosixUpper;
+                       Xname = "XPosixUpper";
                    }
-                   yesno = '!';
-                   what = "Digit";
-                   if (AT_LEAST_ASCII_RESTRICTED ) {
-                       ANYOF_FLAGS(ret) |= ANYOF_UNICODE_ALL;
+                   if (namedclass == ANYOF_UPPER) {
+                       DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                                    ascii_source, l1_source, Xname, listsv);
                    }
-                   break;              
+                   else {
+                       DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass,
+                        properties, ascii_source, l1_source, Xname, listsv);
+                   }
+                   break;
+               }
+               case ANYOF_ALNUM:   /* Really is 'Word' */
+                   DO_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                            PL_PosixWord, PL_L1PosixWord, "XPosixWord", listsv);
+                   break;
+               case ANYOF_NALNUM:
+                   DO_N_POSIX_LATIN1_ONLY_KNOWN(ret, namedclass, properties,
+                            PL_PosixWord, PL_L1PosixWord, "XPosixWord", listsv);
+                   break;
+               case ANYOF_VERTWS:
+                   /* For these, we use the nonbitmap, as /d doesn't make a
+                    * difference in what these match.  There would be problems
+                    * if these characters had folds other than themselves, as
+                    * nonbitmap is subject to folding */
+                   _invlist_union(nonbitmap, PL_VertSpace, &nonbitmap);
+                   break;
+               case ANYOF_NVERTWS:
+                    _invlist_union_complement_2nd(nonbitmap,
+                                                    PL_VertSpace, &nonbitmap);
+                   break;
+               case ANYOF_XDIGIT:
+                    DO_POSIX(ret, namedclass, properties,
+                                            PL_PosixXDigit, PL_XPosixXDigit);
+                   break;
+               case ANYOF_NXDIGIT:
+                    DO_N_POSIX(ret, namedclass, properties,
+                                            PL_PosixXDigit, PL_XPosixXDigit);
+                   break;
                case ANYOF_MAX:
                    /* this is to handle \p and \P */
                    break;
@@ -10728,10 +10998,6 @@ parseit:
                    vFAIL("Invalid [::] class");
                    break;
                }
-               if (what && ! (AT_LEAST_ASCII_RESTRICTED)) {
-                   /* Strings such as "+utf8::isWord\n" */
-                   Perl_sv_catpvf(aTHX_ listsv, "%cutf8::%s\n", yesno, what);
-               }
 
                continue;
            }
@@ -11069,13 +11335,14 @@ parseit:
            }
        }
 
-       /* Done with loop; set <nonbitmap> to not include any code points that
-        * are in the bitmap */
+        /* Done with loop; remove any code points that are in the bitmap from
+         * <nonbitmap> */
        if (change_invlist) {
-           SV* keep_list = _new_invlist(2);
-           _append_range_to_invlist(keep_list, max_cp_to_set + 1, UV_MAX);
-           _invlist_intersection(nonbitmap, keep_list, &nonbitmap);
-           SvREFCNT_dec(keep_list);
+           _invlist_subtract(nonbitmap,
+                             (DEPENDS_SEMANTICS)
+                               ? PL_ASCII
+                               : PL_Latin1,
+                              &nonbitmap);
        }
 
        /* If have completely emptied it, remove it completely */
@@ -11162,6 +11429,12 @@ parseit:
             * there should not be overlap unless is /d rules. */
            _invlist_invert(nonbitmap);
 
+           /* Any swash can't be used as-is, because we've inverted things */
+           if (swash) {
+               SvREFCNT_dec(swash);
+               swash = NULL;
+           }
+
            for (i = 0; i < 256; ++i) {
                if (ANYOF_BITMAP_TEST(ret, i)) {
                    ANYOF_BITMAP_CLEAR(ret, i);
@@ -11189,10 +11462,7 @@ parseit:
            else {
                /* There is no overlap for non-/d, so just delete anything
                 * below 256 */
-               SV* keep_list = _new_invlist(2);
-               _append_range_to_invlist(keep_list, 256, UV_MAX);
-               _invlist_intersection(nonbitmap, keep_list, &nonbitmap);
-               SvREFCNT_dec(keep_list);
+               _invlist_intersection(nonbitmap, PL_AboveLatin1, &nonbitmap);
            }
        }
 
@@ -11374,7 +11644,6 @@ parseit:
     }
     return ret;
 }
-#undef _C_C_T_
 
 
 /* reg_skipcomment()