From 4a1612ff9b968fe446bc4dd20460bfaccabeb3b3 Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Wed, 7 Mar 2018 12:55:38 -0300
Subject: new experimental syntax using reserved word 'undef'

---
 lopcodes.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'lopcodes.h')

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))		*/
 
-- 
cgit v1.2.3-55-g6feb