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small bug in symbolic execution

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Roberto Ierusalimschy
2000-08-14 14:46:27 -03:00
parent f555e493f0
commit 58453dc1e1
3 changed files with 28 additions and 19 deletions
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5
lcode.c
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@@ -1,5 +1,5 @@
/*
** $Id: lcode.c,v 1.46 2000/08/09 19:16:57 roberto Exp roberto $
** $Id: lcode.c,v 1.47 2000/08/10 19:50:47 roberto Exp roberto $
** Code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -330,7 +330,8 @@ void luaK_tostack (LexState *ls, expdesc *v, int onlyone) {
luaK_concat(fs, &v->u.l.t, fs->pc-1); /* put `previous' in t. list */
else {
j = code_label(fs, OP_JMP, NO_JUMP); /* to jump over both pushes */
luaK_deltastack(fs, -1); /* next PUSHes may be skipped */
/* correct stack for compiler and simbolic execution */
luaK_adjuststack(fs, 1);
}
p_nil = code_label(fs, OP_PUSHNILJMP, 0);
p_1 = code_label(fs, OP_PUSHINT, 1);