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update lua to 5.3.2

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This commit is contained in:
Cloud Wu
2015-11-30 20:31:56 +08:00
parent e47a4921fa
commit 3a527f0a66
41 changed files with 1296 additions and 837 deletions
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28
3rd/lua/lgc.c
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@@ -1,5 +1,5 @@
/*
** $Id: lgc.c,v 2.205 2015/03/25 13:42:19 roberto Exp $
** $Id: lgc.c,v 2.210 2015/11/03 18:10:44 roberto Exp $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@@ -114,8 +114,13 @@ static void reallymarkobject (global_State *g, GCObject *o);
/*
** if key is not marked, mark its entry as dead (therefore removing it
** from the table)
** If key is not marked, mark its entry as dead. This allows key to be
** collected, but keeps its entry in the table. A dead node is needed
** when Lua looks up for a key (it may be part of a chain) and when
** traversing a weak table (key might be removed from the table during
** traversal). Other places never manipulate dead keys, because its
** associated nil value is enough to signal that the entry is logically
** empty.
*/
static void removeentry (Node *n) {
lua_assert(ttisnil(gval(n)));
@@ -549,7 +554,8 @@ static lu_mem traversethread (global_State *g, lua_State *th) {
}
else if (g->gckind != KGC_EMERGENCY)
luaD_shrinkstack(th); /* do not change stack in emergency cycle */
return (sizeof(lua_State) + sizeof(TValue) * th->stacksize);
return (sizeof(lua_State) + sizeof(TValue) * th->stacksize +
sizeof(CallInfo) * th->nci);
}
@@ -776,12 +782,11 @@ static GCObject **sweeptolive (lua_State *L, GCObject **p, int *n) {
*/
/*
** If possible, free concatenation buffer and shrink string table
** If possible, shrink string table
*/
static void checkSizes (lua_State *L, global_State *g) {
if (g->gckind != KGC_EMERGENCY) {
l_mem olddebt = g->GCdebt;
luaZ_freebuffer(L, &g->buff); /* free concatenation buffer */
if (g->strt.nuse < g->strt.size / 4) /* string table too big? */
luaS_resize(L, g->strt.size / 2); /* shrink it a little */
g->GCestimate += g->GCdebt - olddebt; /* update estimate */
@@ -804,7 +809,7 @@ static GCObject *udata2finalize (global_State *g) {
static void dothecall (lua_State *L, void *ud) {
UNUSED(ud);
luaD_call(L, L->top - 2, 0, 0);
luaD_callnoyield(L, L->top - 2, 0);
}
@@ -1121,9 +1126,12 @@ void luaC_runtilstate (lua_State *L, int statesmask) {
static l_mem getdebt (global_State *g) {
l_mem debt = g->GCdebt;
int stepmul = g->gcstepmul;
debt = (debt / STEPMULADJ) + 1;
debt = (debt < MAX_LMEM / stepmul) ? debt * stepmul : MAX_LMEM;
return debt;
if (debt <= 0) return 0; /* minimal debt */
else {
debt = (debt / STEPMULADJ) + 1;
debt = (debt < MAX_LMEM / stepmul) ? debt * stepmul : MAX_LMEM;
return debt;
}
}
/*