+ *
+ * Note that the flags whose names start with RXf_PMf_ are defined in
+ * op_reg_common.h, being copied from the parallel flags of op_pmflags
+ *
+ * NOTE: if you modify any RXf flags you should run regen.pl or
+ * regen/regcomp.pl so that regnodes.h is updated with the changes.
+ *
+ */
+
+#include "op_reg_common.h"
+
+#define RXf_PMf_STD_PMMOD (RXf_PMf_MULTILINE|RXf_PMf_SINGLELINE|RXf_PMf_FOLD|RXf_PMf_EXTENDED)
+
+#define CASE_STD_PMMOD_FLAGS_PARSE_SET(pmfl) \
+ case IGNORE_PAT_MOD: *(pmfl) |= RXf_PMf_FOLD; break; \
+ case MULTILINE_PAT_MOD: *(pmfl) |= RXf_PMf_MULTILINE; break; \
+ case SINGLE_PAT_MOD: *(pmfl) |= RXf_PMf_SINGLELINE; break; \
+ case XTENDED_PAT_MOD: *(pmfl) |= RXf_PMf_EXTENDED; break
+
+/* Note, includes locale, unicode */
+#define STD_PMMOD_FLAGS_CLEAR(pmfl) \
+ *(pmfl) &= ~(RXf_PMf_FOLD|RXf_PMf_MULTILINE|RXf_PMf_SINGLELINE|RXf_PMf_EXTENDED|RXf_PMf_LOCALE|RXf_PMf_UNICODE)
+
+/* chars and strings used as regex pattern modifiers
+ * Singlular is a 'c'har, plural is a "string"
+ *
+ * NOTE, KEEPCOPY was originally 'k', but was changed to 'p' for preserve
+ * for compatibility reasons with Regexp::Common which highjacked (?k:...)
+ * for its own uses. So 'k' is out as well.
+ */
+#define DEFAULT_PAT_MOD '^' /* Short for all the default modifiers */
+#define EXEC_PAT_MOD 'e'
+#define KEEPCOPY_PAT_MOD 'p'
+#define ONCE_PAT_MOD 'o'
+#define GLOBAL_PAT_MOD 'g'
+#define CONTINUE_PAT_MOD 'c'
+#define MULTILINE_PAT_MOD 'm'
+#define SINGLE_PAT_MOD 's'
+#define IGNORE_PAT_MOD 'i'
+#define XTENDED_PAT_MOD 'x'
+#define NONDESTRUCT_PAT_MOD 'r'
+#define LOCALE_PAT_MOD 'l'
+#define UNICODE_PAT_MOD 'u'
+#define DUAL_PAT_MOD 'd'
+
+#define ONCE_PAT_MODS "o"
+#define KEEPCOPY_PAT_MODS "p"
+#define EXEC_PAT_MODS "e"
+#define LOOP_PAT_MODS "gc"
+#define NONDESTRUCT_PAT_MODS "r"
+#define LOCALE_PAT_MODS "l"
+#define UNICODE_PAT_MODS "u"
+#define DUAL_PAT_MODS "d"
+
+/* This string is expected by regcomp.c to be ordered so that the first
+ * character is the flag in bit RXf_PMf_STD_PMMOD_SHIFT of extflags; the next
+ * character is bit +1, etc. */
+#define STD_PAT_MODS "msix"
+
+/* This string is expected by XS_re_regexp_pattern() in universal.c to be ordered
+ * so that the first character is the flag in bit RXf_PMf_STD_PMMOD_SHIFT of
+ * extflags; the next character is in bit +1, etc. */
+#define INT_PAT_MODS STD_PAT_MODS KEEPCOPY_PAT_MODS
+
+#define EXT_PAT_MODS ONCE_PAT_MODS KEEPCOPY_PAT_MODS
+#define QR_PAT_MODS STD_PAT_MODS EXT_PAT_MODS
+#define M_PAT_MODS QR_PAT_MODS LOOP_PAT_MODS
+#define S_PAT_MODS M_PAT_MODS EXEC_PAT_MODS NONDESTRUCT_PAT_MODS
+
+/*
+ * NOTE: if you modify any RXf flags you should run regen.pl or
+ * regen/regcomp.pl so that regnodes.h is updated with the changes.
+ *