added a few comments

1 files changed, 14 insertions, 1 deletions

diff --git a/lvm.c b/lvm.c
index 64829962..e92757a0 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1,5 +1,5 @@
 /*
-** $Id: lvm.c,v 2.209 2014/05/12 21:44:17 roberto Exp roberto $
+** $Id: lvm.c,v 2.210 2014/05/14 19:47:11 roberto Exp roberto $
 ** Lua virtual machine
 ** See Copyright Notice in lua.h
 */
@@ -492,6 +492,9 @@ lua_Integer luaV_mod (lua_State *L, lua_Integer m, lua_Integer n) {
 /* number of bits in an integer */
 #define NBITS   cast_int(sizeof(lua_Integer) * CHAR_BIT)
 
+/*
+** Shift left operation. (Shift right just negates 'y'.)
+*/
 lua_Integer luaV_shiftl (lua_Integer x, lua_Integer y) {
   if (y < 0) {  /* shift right? */
     if (y <= -NBITS) return 0;
@@ -614,6 +617,14 @@ void luaV_finishOp (lua_State *L) {
 
 
 
+
+/*
+** {==================================================================
+** Function 'luaV_execute': main interpreter loop
+** ===================================================================
+*/
+
+
 /*
 ** some macros for common tasks in `luaV_execute'
 */
@@ -1140,3 +1151,5 @@ void luaV_execute (lua_State *L) {
   }
 }
 
+/* }================================================================== */
+