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mirror of https://github.com/lua/lua.git synced 2025-01-28 06:03:00 +08:00
This commit is contained in:
Roberto Ierusalimschy 2013-02-06 11:37:39 -02:00
parent 181a837cac
commit 1ce57628b2

View File

@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 2.128 2012/05/20 14:51:23 roberto Exp roberto $
** $Id: lparser.c,v 2.129 2012/08/06 13:36:34 roberto Exp roberto $
** Lua Parser
** See Copyright Notice in lua.h
*/
@ -512,12 +512,15 @@ static Proto *addprototype (LexState *ls) {
/*
** codes instruction to create new closure in parent function
** codes instruction to create new closure in parent function.
** The OP_CLOSURE instruction must use the last available register,
** so that, if it invokes the GC, the GC knows which registers
** are in use at that time.
*/
static void codeclosure (LexState *ls, expdesc *v) {
FuncState *fs = ls->fs->prev;
init_exp(v, VRELOCABLE, luaK_codeABx(fs, OP_CLOSURE, 0, fs->np - 1));
luaK_exp2nextreg(fs, v); /* fix it at stack top (for GC) */
luaK_exp2nextreg(fs, v); /* fix it at the last register */
}