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new way to code globals, using const table instead of putting global

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index inside the opcode.
This commit is contained in:
Roberto Ierusalimschy
1997-09-19 18:17:52 -03:00
parent dfe03c7abe
commit 2079cfe8fa
3 changed files with 56 additions and 32 deletions
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14
lvm.c
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@@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 1.1 1997/09/16 19:25:59 roberto Exp roberto $
** $Id: lvm.c,v 1.2 1997/09/19 18:40:32 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -326,8 +326,12 @@ StkId luaV_execute (Closure *cl, StkId base)
*luaD_stack.top++ = *((luaD_stack.stack+base) + (*pc++));
break;
case PUSHGLOBALB:
luaV_getglobal(luaG_findsymbol(tsvalue(&func->consts[*pc++])));
break;
case PUSHGLOBAL:
luaV_getglobal(get_word(pc));
luaV_getglobal(luaG_findsymbol(tsvalue(&func->consts[get_word(pc)])));
break;
case GETTABLE:
@@ -369,8 +373,12 @@ StkId luaV_execute (Closure *cl, StkId base)
case SETLOCAL:
*((luaD_stack.stack+base) + (*pc++)) = *(--luaD_stack.top); break;
case SETGLOBALB:
luaV_setglobal(luaG_findsymbol(tsvalue(&func->consts[*pc++])));
break;
case SETGLOBAL:
luaV_setglobal(get_word(pc));
luaV_setglobal(luaG_findsymbol(tsvalue(&func->consts[get_word(pc)])));
break;
case SETTABLE0: