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variants for "ARGS".

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This commit is contained in:
Roberto Ierusalimschy 1997-12-30 17:08:23 -02:00
parent a5fd7d722c
commit f76bca23ef
3 changed files with 14 additions and 5 deletions
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6
lopcodes.h
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@ -1,5 +1,5 @@
/*
** $Id: lopcodes.h,v 1.12 1997/10/24 18:40:29 roberto Exp roberto $
** $Id: lopcodes.h,v 1.13 1997/12/29 17:35:46 roberto Exp roberto $
** Opcodes for Lua virtual machine
** See Copyright Notice in lua.h
*/
@ -172,6 +172,10 @@ POP0,/* - - - TOP-=1 */
POP1,/* - - - TOP-=2 */
ARGS,/* b - - TOP=BASE+b */
ARGS0,/* - - - TOP=BASE+0 */
ARGS1,/* - - - TOP=BASE+1 */
ARGS2,/* - - - TOP=BASE+2 */
ARGS3,/* - - - TOP=BASE+3 */
VARARGS/* b v_x...v_1 {v_1...v_x;n=x} TOP=BASE+b+1 */
} OpCode;

4
lua.stx
View File

@ -1,6 +1,6 @@
%{
/*
** $Id: lua.stx,v 1.29 1997/12/29 17:28:45 roberto Exp roberto $
** $Id: lua.stx,v 1.30 1997/12/29 17:35:46 roberto Exp roberto $
** Syntax analizer and code generator
** See Copyright Notice in lua.h
*/
@ -450,7 +450,7 @@ static void code_args (int nparams, int dots)
{
L->currState->nlocalvar += nparams;
if (!dots)
code_oparg(ARGS, 0, L->currState->nlocalvar, L->currState->nlocalvar);
code_oparg(ARGS, 4, L->currState->nlocalvar, L->currState->nlocalvar);
else {
code_oparg(VARARGS, 0, L->currState->nlocalvar, L->currState->nlocalvar+1);
add_localvar(luaS_new("arg"));

9
lvm.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 1.19 1997/12/23 19:24:19 roberto Exp roberto $
** $Id: lvm.c,v 1.20 1997/12/29 17:35:46 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@ -474,7 +474,12 @@ StkId luaV_execute (Closure *cl, TProtoFunc *tf, StkId base)
break;
case ARGS:
luaD_adjusttop(base+(*pc++));
aux = *pc++; goto args;
case ARGS0: case ARGS1: case ARGS2: case ARGS3:
aux -= ARGS0;
args:
luaD_adjusttop(base+aux);
break;
case VARARGS: