From Lua 5.2: Add rawlen(). Needs -DLUAJIT_ENABLE_LUA52COMPAT.

1 files changed, 14 insertions, 0 deletions

diff --git a/src/lib_base.c b/src/lib_base.c
index d63c9803..6f664eb6 100644
--- a/src/lib_base.c
+++ b/src/lib_base.c
@@ -199,6 +199,20 @@ LJLIB_CF(rawequal)		LJLIB_REC(.)
   return 1;
 }
 
+#if LJ_52
+LJLIB_CF(rawlen)                LJLIB_REC(.)
+{
+  cTValue *o = L->base;
+  int32_t len;
+  if (L->top > o && tvisstr(o))
+    len = (int32_t)strV(o)->len;
+  else
+    len = (int32_t)lj_tab_len(lj_lib_checktab(L, 1));
+  setintV(L->top-1, len);
+  return 1;
+}
+#endif
+
 LJLIB_CF(unpack)
 {
   GCtab *t = lj_lib_checktab(L, 1);