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no more 'OP_CLOSE' instructions (use jumps to close upvalues)

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Roberto Ierusalimschy
2011-02-07 10:28:27 -02:00
parent 094a7d0290
commit f8d677f94c
4 changed files with 10 additions and 12 deletions
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10
lparser.c
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@@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 2.96 2011/02/01 18:03:10 roberto Exp roberto $
** $Id: lparser.c,v 2.97 2011/02/04 17:34:43 roberto Exp roberto $
** Lua Parser
** See Copyright Notice in lua.h
*/
@@ -429,8 +429,12 @@ static void leaveblock (FuncState *fs) {
removevars(fs, bl->nactvar);
fs->ls->labell->nlabel = bl->firstlabel; /* remove local labels */
movegotosout(fs, bl);
if (bl->upval)
luaK_codeABC(fs, OP_CLOSE, bl->nactvar, 0, 0);
if (bl->upval) {
/* create a 'jump to here' to close upvalues */
int j = luaK_jump(fs);
luaK_patchclose(fs, j, bl->nactvar);
luaK_patchtohere(fs, j);
}
/* a block either controls scope or breaks (never both) */
lua_assert(!bl->isbreakable || !bl->upval);
lua_assert(bl->nactvar == fs->nactvar);