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-rw-r--r--regcomp.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/regcomp.h b/regcomp.h
index 00fd94517f..3e87aa93ec 100644
--- a/regcomp.h
+++ b/regcomp.h
@@ -314,9 +314,18 @@ struct regnode_charclass_class {
/* Flags for node->flags of ANYOF */
-#define ANYOF_LOCALE 0x01
-#define ANYOF_FOLD 0x02
-#define ANYOF_INVERT 0x04
+#define ANYOF_LOCALE 0x01
+
+/* The fold is calculated and stored in the bitmap where possible at compile
+ * time. However there are two cases where it isn't possible. These share
+ * this bit: 1) under locale, where the actual folding varies depending on
+ * what the locale is at the time of execution; and 2) where the folding is
+ * specified in a swash, not the bitmap, such as characters which aren't
+ * specified in the bitmap, or properties that aren't looked at at compile time
+ */
+#define ANYOF_LOC_NONBITMAP_FOLD 0x02
+
+#define ANYOF_INVERT 0x04
/* CLASS is never set unless LOCALE is too: has runtime \d, \w, [:posix:], ... */
#define ANYOF_CLASS 0x08