diff options
Diffstat (limited to 'src/lfunc.c')
-rw-r--r-- | src/lfunc.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/src/lfunc.c b/src/lfunc.c index afc097c6..e95dad01 100644 --- a/src/lfunc.c +++ b/src/lfunc.c @@ -1,5 +1,5 @@ /* -** $Id: lfunc.c,v 2.19 2009/12/16 16:42:58 roberto Exp $ +** $Id: lfunc.c,v 2.24 2010/05/10 18:23:45 roberto Exp $ ** Auxiliary functions to manipulate prototypes and closures ** See Copyright Notice in lua.h */ @@ -21,19 +21,17 @@ -Closure *luaF_newCclosure (lua_State *L, int n, Table *e) { +Closure *luaF_newCclosure (lua_State *L, int n) { Closure *c = &luaC_newobj(L, LUA_TFUNCTION, sizeCclosure(n), NULL, 0)->cl; c->c.isC = 1; - c->c.env = e; c->c.nupvalues = cast_byte(n); return c; } -Closure *luaF_newLclosure (lua_State *L, int n, Table *e) { +Closure *luaF_newLclosure (lua_State *L, int n) { Closure *c = &luaC_newobj(L, LUA_TFUNCTION, sizeLclosure(n), NULL, 0)->cl; c->l.isC = 0; - c->l.env = e; c->l.nupvalues = cast_byte(n); while (n--) c->l.upvals[n] = NULL; return c; @@ -54,12 +52,14 @@ UpVal *luaF_findupval (lua_State *L, StkId level) { UpVal *p; UpVal *uv; while (*pp != NULL && (p = gco2uv(*pp))->v >= level) { + GCObject *o = obj2gco(p); lua_assert(p->v != &p->u.value); if (p->v == level) { /* found a corresponding upvalue? */ - if (isdead(g, obj2gco(p))) /* is it dead? */ - changewhite(obj2gco(p)); /* ressurrect it */ + if (isdead(g, o)) /* is it dead? */ + changewhite(o); /* ressurrect it */ return p; } + resetoldbit(o); /* may create a newer upval after this one */ pp = &p->next; } /* not found: create a new one */ @@ -98,10 +98,12 @@ void luaF_close (lua_State *L, StkId level) { if (isdead(g, o)) luaF_freeupval(L, uv); /* free upvalue */ else { - unlinkupval(uv); - setobj(L, &uv->u.value, uv->v); + unlinkupval(uv); /* remove upvalue from 'uvhead' list */ + setobj(L, &uv->u.value, uv->v); /* move value to upvalue slot */ uv->v = &uv->u.value; /* now current value lives here */ - luaC_linkupval(L, uv); /* link upvalue into `gcroot' list */ + gch(o)->next = g->allgc; /* link upvalue into 'allgc' list */ + g->allgc = o; + luaC_checkupvalcolor(g, uv); } } } @@ -127,7 +129,6 @@ Proto *luaF_newproto (lua_State *L) { f->linedefined = 0; f->lastlinedefined = 0; f->source = NULL; - f->envreg = NO_REG; return f; } |