'lua_mainthread' replaced by new preregistered value LUA_RIDX_MAINTHREAD

This commit is contained in:
Roberto Ierusalimschy 2009-09-17 15:04:21 -03:00
parent 0e45ffb8e4
commit 67cae2854c
4 changed files with 25 additions and 14 deletions

7
lapi.c
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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.88 2009/08/07 16:17:41 roberto Exp roberto $
** $Id: lapi.c,v 2.89 2009/08/31 14:26:28 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -102,11 +102,6 @@ LUA_API int lua_checkstack (lua_State *L, int size) {
}
LUA_API lua_State *lua_mainthread (lua_State *L) {
return G(L)->mainthread;
}
LUA_API void lua_xmove (lua_State *from, lua_State *to, int n) {
int i;
if (from == to) return;

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@ -1,5 +1,5 @@
/*
** $Id: lstate.c,v 2.56 2009/06/18 18:59:18 roberto Exp roberto $
** $Id: lstate.c,v 2.57 2009/07/15 17:26:14 roberto Exp roberto $
** Global State
** See Copyright Notice in lua.h
*/
@ -91,6 +91,16 @@ static void freestack (lua_State *L) {
}
static void init_registry (lua_State *L) {
Table *registry = luaH_new(L);
TValue mt;
sethvalue(L, registry(L), registry);
luaH_resize(L, registry, LUA_RIDX_LAST, 0);
setthvalue(L, &mt, L);
setobj2t(L, luaH_setint(L, registry, LUA_RIDX_MAINTHREAD), &mt);
}
/*
** open parts that may cause memory-allocation errors
*/
@ -99,7 +109,7 @@ static void f_luaopen (lua_State *L, void *ud) {
UNUSED(ud);
stack_init(L, L); /* init stack */
sethvalue(L, gt(L), luaH_new(L)); /* table of globals */
sethvalue(L, registry(L), luaH_new(L)); /* registry */
init_registry(L);
luaS_resize(L, MINSTRTABSIZE); /* initial size of string table */
luaT_init(L);
luaX_init(L);

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@ -1,5 +1,5 @@
/*
** $Id: ltests.c,v 2.70 2009/09/09 20:44:10 roberto Exp roberto $
** $Id: ltests.c,v 2.71 2009/09/14 14:30:39 roberto Exp roberto $
** Internal Module for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
@ -697,8 +697,6 @@ static int doonnewstack (lua_State *L) {
size_t l;
const char *s = luaL_checklstring(L, 1, &l);
int status = luaL_loadbuffer(L1, s, l, s);
lua_State *ML = lua_mainthread(L1);
lua_assert(L1 != L && ML != L1 && lua_mainthread(L) == ML);
if (status == LUA_OK)
status = lua_pcall(L1, 0, 0, 0);
lua_pushinteger(L, status);
@ -973,6 +971,10 @@ static int runC (lua_State *L, lua_State *L1, const char *pc) {
else if EQ("gettable") {
lua_gettable(L1, getindex);
}
else if EQ("rawgeti") {
int t = getindex;
lua_rawgeti(L1, t, getnum);
}
else if EQ("settable") {
lua_settable(L1, getindex);
}

10
lua.h
View File

@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.241 2009/07/15 17:26:14 roberto Exp roberto $
** $Id: lua.h,v 1.242 2009/09/14 14:30:39 roberto Exp roberto $
** Lua - An Extensible Extension Language
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
** See Copyright Notice at the end of this file
@ -89,6 +89,12 @@ typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
#define LUA_MINSTACK 20
/* predefined values in the registry */
#define LUA_RIDX_MAINTHREAD 1
#define LUA_RIDX_LAST LUA_RIDX_MAINTHREAD
/*
** generic extra include file
*/
@ -113,8 +119,6 @@ LUA_API lua_State *(lua_newstate) (lua_Alloc f, void *ud);
LUA_API void (lua_close) (lua_State *L);
LUA_API lua_State *(lua_newthread) (lua_State *L);
LUA_API lua_State *(lua_mainthread) (lua_State *L);
LUA_API lua_CFunction (lua_atpanic) (lua_State *L, lua_CFunction panicf);