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Diffstat (limited to 'op_reg_common.h')
-rw-r--r--op_reg_common.h19
1 files changed, 13 insertions, 6 deletions
diff --git a/op_reg_common.h b/op_reg_common.h
index de100dc780..b6a4f75f5f 100644
--- a/op_reg_common.h
+++ b/op_reg_common.h
@@ -12,18 +12,25 @@
/* These defines are used in both op.h and regexp.h The definitions use the
* shift form so that ext/B/defsubs_h.PL will pick them up */
#define RXf_PMf_MULTILINE (1 << 0) /* /m */
-#define PMf_MULTILINE (1 << 0) /* /m */
#define RXf_PMf_SINGLELINE (1 << 1) /* /s */
-#define PMf_SINGLELINE (1 << 1) /* /s */
#define RXf_PMf_FOLD (1 << 2) /* /i */
-#define PMf_FOLD (1 << 2) /* /i */
#define RXf_PMf_EXTENDED (1 << 3) /* /x */
-#define PMf_EXTENDED (1 << 3) /* /x */
#define RXf_PMf_KEEPCOPY (1 << 4) /* /p */
-#define PMf_KEEPCOPY (1 << 4) /* /p */
#define RXf_PMf_LOCALE (1 << 5)
-#define PMf_LOCALE (1 << 5)
/* Next available bit after the above. Name begins with '_' so won't be
* exported by B */
#define _RXf_PMf_SHIFT_NEXT 6
+
+
+/* These copies need to be numerical or defsubs_h.PL won't know about them. */
+#define PMf_MULTILINE 1<<0
+#define PMf_SINGLELINE 1<<1
+#define PMf_FOLD 1<<2
+#define PMf_EXTENDED 1<<3
+#define PMf_KEEPCOPY 1<<4
+#define PMf_LOCALE 1<<5
+
+#if PMf_MULTILINE != RXf_PMf_MULTILINE || PMf_SINGLELINE != RXf_PMf_SINGLELINE || PMf_FOLD != RXf_PMf_FOLD || PMf_EXTENDED != RXf_PMf_EXTENDED || PMf_KEEPCOPY != RXf_PMf_KEEPCOPY || PMf_LOCALE != RXf_PMf_LOCALE
+# error RXf_PMf defines are wrong
+#endif