new experimental syntax using reserved word 'undef'

1 files changed, 4 insertions, 1 deletions

diff --git a/lopcodes.h b/lopcodes.h
index be7359e9..ddbaf8da 100644
--- a/lopcodes.h
+++ b/lopcodes.h
@@ -1,5 +1,5 @@
 /*
-** $Id: lopcodes.h,v 1.188 2018/02/15 15:34:29 roberto Exp roberto $
+** $Id: lopcodes.h,v 1.189 2018/02/21 15:49:32 roberto Exp roberto $
 ** Opcodes for Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -266,6 +266,9 @@ OP_GEI,/*	A sB	if ((R(A) >= sB) ~= k) then pc++		*/
 OP_TEST,/*      A       if (not R(A) == k) then pc++                    */
 OP_TESTSET,/*   A B     if (not R(B) == k) then R(A) := R(B) else pc++  */
 
+OP_UNDEF,/*     A B     R(A)[R(B)] = undef                              */
+OP_ISDEF,/*     A B C   R(A) = (R(B)[R(C)] == undef                     */
+
 OP_CALL,/*      A B C   R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */
 OP_TAILCALL,/*  A B C   return R(A)(R(A+1), ... ,R(A+B-1))              */