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small changes in 'luaV_execute' to make cases more regularly formatted

This commit is contained in:
Roberto Ierusalimschy 2010-05-12 17:31:33 -03:00
parent f5b7f077ec
commit 8554baeacf
1 changed files with 7 additions and 8 deletions
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15
lvm.c
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@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 2.116 2010/05/04 17:25:19 roberto Exp roberto $
** $Id: lvm.c,v 2.117 2010/05/05 18:49:56 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@ -459,8 +459,7 @@ void luaV_execute (lua_State *L) {
StkId ra;
if ((L->hookmask & (LUA_MASKLINE | LUA_MASKCOUNT)) &&
(--L->hookcount == 0 || L->hookmask & LUA_MASKLINE)) {
traceexec(L);
base = ci->u.l.base;
Protect(traceexec(L));
}
/* warning!! several calls may realloc the stack and invalidate `ra' */
ra = RA(i);
@ -638,22 +637,20 @@ void luaV_execute (lua_State *L) {
if (luaD_precall(L, ra, nresults)) { /* C function? */
if (nresults >= 0) L->top = ci->top; /* adjust results */
base = ci->u.l.base;
break;
}
else { /* Lua function */
ci = L->ci;
ci->callstatus |= CIST_REENTRY;
goto newframe; /* restart luaV_execute over new Lua function */
}
break;
}
case OP_TAILCALL: {
int b = GETARG_B(i);
if (b != 0) L->top = ra+b; /* else previous instruction set top */
lua_assert(GETARG_C(i) - 1 == LUA_MULTRET);
if (luaD_precall(L, ra, LUA_MULTRET)) { /* C function? */
if (luaD_precall(L, ra, LUA_MULTRET)) /* C function? */
base = ci->u.l.base;
break;
}
else {
/* tail call: put called frame (n) in place of caller one (o) */
CallInfo *nci = L->ci; /* called frame */
@ -676,6 +673,7 @@ void luaV_execute (lua_State *L) {
lua_assert(L->top == oci->u.l.base + getproto(ofunc)->maxstacksize);
goto newframe; /* restart luaV_execute over new Lua function */
}
break;
}
case OP_RETURN: {
int b = GETARG_B(i);
@ -729,9 +727,10 @@ void luaV_execute (lua_State *L) {
i = *(ci->u.l.savedpc++); /* go to next instruction */
ra = RA(i);
lua_assert(GET_OPCODE(i) == OP_TFORLOOP);
/* go through */
goto l_tforloop;
}
case OP_TFORLOOP: {
l_tforloop:
if (!ttisnil(ra + 1)) { /* continue loop? */
setobjs2s(L, ra, ra + 1); /* save control variable */
dojump(GETARG_sBx(i)); /* jump back */