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update lua

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Cloud Wu
2022-08-25 11:51:58 +08:00
parent 8efad53631
commit dfc706615e
20 changed files with 448 additions and 330 deletions
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17
3rd/lua/lparser.c
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@@ -468,6 +468,7 @@ static void singlevar (LexState *ls, expdesc *var) {
expdesc key;
singlevaraux(fs, ls->envn, var, 1); /* get environment variable */
lua_assert(var->k != VVOID); /* this one must exist */
luaK_exp2anyregup(fs, var); /* but could be a constant */
codestring(&key, varname); /* key is variable name */
luaK_indexed(fs, var, &key); /* env[varname] */
}
@@ -673,19 +674,19 @@ static void leaveblock (FuncState *fs) {
LexState *ls = fs->ls;
int hasclose = 0;
int stklevel = reglevel(fs, bl->nactvar); /* level outside the block */
if (bl->isloop) /* fix pending breaks? */
removevars(fs, bl->nactvar); /* remove block locals */
lua_assert(bl->nactvar == fs->nactvar); /* back to level on entry */
if (bl->isloop) /* has to fix pending breaks? */
hasclose = createlabel(ls, luaS_newliteral(ls->L, "break"), 0, 0);
if (!hasclose && bl->previous && bl->upval)
if (!hasclose && bl->previous && bl->upval) /* still need a 'close'? */
luaK_codeABC(fs, OP_CLOSE, stklevel, 0, 0);
fs->bl = bl->previous;
removevars(fs, bl->nactvar);
lua_assert(bl->nactvar == fs->nactvar);
fs->freereg = stklevel; /* free registers */
ls->dyd->label.n = bl->firstlabel; /* remove local labels */
if (bl->previous) /* inner block? */
movegotosout(fs, bl); /* update pending gotos to outer block */
fs->bl = bl->previous; /* current block now is previous one */
if (bl->previous) /* was it a nested block? */
movegotosout(fs, bl); /* update pending gotos to enclosing block */
else {
if (bl->firstgoto < ls->dyd->gt.n) /* pending gotos in outer block? */
if (bl->firstgoto < ls->dyd->gt.n) /* still pending gotos? */
undefgoto(ls, &ls->dyd->gt.arr[bl->firstgoto]); /* error */
}
}