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Diffstat (limited to 'libs/liblua/src/lstate.c')
-rw-r--r--libs/liblua/src/lstate.c62
1 files changed, 32 insertions, 30 deletions
diff --git a/libs/liblua/src/lstate.c b/libs/liblua/src/lstate.c
index 72515da1be..c5e3b437f1 100644
--- a/libs/liblua/src/lstate.c
+++ b/libs/liblua/src/lstate.c
@@ -172,7 +172,7 @@ void luaE_checkcstack (lua_State *L) {
LUAI_FUNC void luaE_incCstack (lua_State *L) {
L->nCcalls++;
- if (unlikely(getCcalls(L) >= LUAI_MAXCCALLS))
+ if (l_unlikely(getCcalls(L) >= LUAI_MAXCCALLS))
luaE_checkcstack(L);
}
@@ -181,6 +181,7 @@ static void stack_init (lua_State *L1, lua_State *L) {
int i; CallInfo *ci;
/* initialize stack array */
L1->stack = luaM_newvector(L, BASIC_STACK_SIZE + EXTRA_STACK, StackValue);
+ L1->tbclist = L1->stack;
for (i = 0; i < BASIC_STACK_SIZE + EXTRA_STACK; i++)
setnilvalue(s2v(L1->stack + i)); /* erase new stack */
L1->top = L1->stack;
@@ -213,24 +214,19 @@ static void freestack (lua_State *L) {
** Create registry table and its predefined values
*/
static void init_registry (lua_State *L, global_State *g) {
- TValue temp;
/* create registry */
Table *registry = luaH_new(L);
sethvalue(L, &g->l_registry, registry);
luaH_resize(L, registry, LUA_RIDX_LAST, 0);
/* registry[LUA_RIDX_MAINTHREAD] = L */
- setthvalue(L, &temp, L); /* temp = L */
- luaH_setint(L, registry, LUA_RIDX_MAINTHREAD, &temp);
- /* registry[LUA_RIDX_GLOBALS] = table of globals */
- sethvalue(L, &temp, luaH_new(L)); /* temp = new table (global table) */
- luaH_setint(L, registry, LUA_RIDX_GLOBALS, &temp);
+ setthvalue(L, &registry->array[LUA_RIDX_MAINTHREAD - 1], L);
+ /* registry[LUA_RIDX_GLOBALS] = new table (table of globals) */
+ sethvalue(L, &registry->array[LUA_RIDX_GLOBALS - 1], luaH_new(L));
}
/*
** open parts of the state that may cause memory-allocation errors.
-** ('g->nilvalue' being a nil value flags that the state was completely
-** build.)
*/
static void f_luaopen (lua_State *L, void *ud) {
global_State *g = G(L);
@@ -241,7 +237,7 @@ static void f_luaopen (lua_State *L, void *ud) {
luaT_init(L);
luaX_init(L);
g->gcrunning = 1; /* allow gc */
- setnilvalue(&g->nilvalue);
+ setnilvalue(&g->nilvalue); /* now state is complete */
luai_userstateopen(L);
}
@@ -256,6 +252,7 @@ static void preinit_thread (lua_State *L, global_State *g) {
L->ci = NULL;
L->nci = 0;
L->twups = L; /* thread has no upvalues */
+ L->nCcalls = 0;
L->errorJmp = NULL;
L->hook = NULL;
L->hookmask = 0;
@@ -271,10 +268,13 @@ static void preinit_thread (lua_State *L, global_State *g) {
static void close_state (lua_State *L) {
global_State *g = G(L);
- luaF_close(L, L->stack, CLOSEPROTECT); /* close all upvalues */
- luaC_freeallobjects(L); /* collect all objects */
- if (ttisnil(&g->nilvalue)) /* closing a fully built state? */
+ if (!completestate(g)) /* closing a partially built state? */
+ luaC_freeallobjects(L); /* jucst collect its objects */
+ else { /* closing a fully built state */
+ luaD_closeprotected(L, 1, LUA_OK); /* close all upvalues */
+ luaC_freeallobjects(L); /* collect all objects */
luai_userstateclose(L);
+ }
luaM_freearray(L, G(L)->strt.hash, G(L)->strt.size);
freestack(L);
lua_assert(gettotalbytes(g) == sizeof(LG));
@@ -299,7 +299,6 @@ LUA_API lua_State *lua_newthread (lua_State *L) {
setthvalue2s(L, L->top, L1);
api_incr_top(L);
preinit_thread(L1, g);
- L1->nCcalls = 0;
L1->hookmask = L->hookmask;
L1->basehookcount = L->basehookcount;
L1->hook = L->hook;
@@ -316,7 +315,7 @@ LUA_API lua_State *lua_newthread (lua_State *L) {
void luaE_freethread (lua_State *L, lua_State *L1) {
LX *l = fromstate(L1);
- luaF_close(L1, L1->stack, NOCLOSINGMETH); /* close all upvalues */
+ luaF_closeupval(L1, L1->stack); /* close all upvalues */
lua_assert(L1->openupval == NULL);
luai_userstatefree(L, L1);
freestack(L1);
@@ -324,23 +323,29 @@ void luaE_freethread (lua_State *L, lua_State *L1) {
}
-int lua_resetthread (lua_State *L) {
- CallInfo *ci;
- int status;
- lua_lock(L);
- L->ci = ci = &L->base_ci; /* unwind CallInfo list */
+int luaE_resetthread (lua_State *L, int status) {
+ CallInfo *ci = L->ci = &L->base_ci; /* unwind CallInfo list */
setnilvalue(s2v(L->stack)); /* 'function' entry for basic 'ci' */
ci->func = L->stack;
ci->callstatus = CIST_C;
- status = luaF_close(L, L->stack, CLOSEPROTECT);
- if (status != CLOSEPROTECT) /* real errors? */
- luaD_seterrorobj(L, status, L->stack + 1);
- else {
+ if (status == LUA_YIELD)
status = LUA_OK;
+ status = luaD_closeprotected(L, 1, status);
+ if (status != LUA_OK) /* errors? */
+ luaD_seterrorobj(L, status, L->stack + 1);
+ else
L->top = L->stack + 1;
- }
ci->top = L->top + LUA_MINSTACK;
- L->status = status;
+ L->status = cast_byte(status);
+ luaD_reallocstack(L, cast_int(ci->top - L->stack), 0);
+ return status;
+}
+
+
+LUA_API int lua_resetthread (lua_State *L) {
+ int status;
+ lua_lock(L);
+ status = luaE_resetthread(L, L->status);
lua_unlock(L);
return status;
}
@@ -360,7 +365,6 @@ LUA_API lua_State *lua_newstate (lua_Alloc f, void *ud) {
preinit_thread(L, g);
g->allgc = obj2gco(L); /* by now, only object is the main thread */
L->next = NULL;
- L->nCcalls = 0;
incnny(L); /* main thread is always non yieldable */
g->frealloc = f;
g->ud = ud;
@@ -375,6 +379,7 @@ LUA_API lua_State *lua_newstate (lua_Alloc f, void *ud) {
g->panic = NULL;
g->gcstate = GCSpause;
g->gckind = KGC_INC;
+ g->gcstopem = 0;
g->gcemergency = 0;
g->finobj = g->tobefnz = g->fixedgc = NULL;
g->firstold1 = g->survival = g->old1 = g->reallyold = NULL;
@@ -403,9 +408,6 @@ LUA_API lua_State *lua_newstate (lua_Alloc f, void *ud) {
LUA_API void lua_close (lua_State *L) {
- if (!L)
- return;
-
lua_lock(L);
L = G(L)->mainthread; /* only the main thread can be closed */
close_state(L);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 10:34:22 +0000