diff options
Diffstat (limited to '3rdparty/lua/src/lfunc.h')
-rw-r--r-- | 3rdparty/lua/src/lfunc.h | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/3rdparty/lua/src/lfunc.h b/3rdparty/lua/src/lfunc.h index ca0d3a3e0b0..256d3cf90bd 100644 --- a/3rdparty/lua/src/lfunc.h +++ b/3rdparty/lua/src/lfunc.h @@ -1,5 +1,5 @@ /* -** $Id: lfunc.h,v 2.8.1.1 2013/04/12 18:48:47 roberto Exp $ +** $Id: lfunc.h,v 2.14 2014/06/19 18:27:20 roberto Exp $ ** Auxiliary functions to manipulate prototypes and closures ** See Copyright Notice in lua.h */ @@ -18,14 +18,35 @@ cast(int, sizeof(TValue *)*((n)-1))) +/* test whether thread is in 'twups' list */ +#define isintwups(L) (L->twups != L) + + +/* +** Upvalues for Lua closures +*/ +struct UpVal { + TValue *v; /* points to stack or to its own value */ + lu_mem refcount; /* reference counter */ + union { + struct { /* (when open) */ + UpVal *next; /* linked list */ + int touched; /* mark to avoid cycles with dead threads */ + } open; + TValue value; /* the value (when closed) */ + } u; +}; + +#define upisopen(up) ((up)->v != &(up)->u.value) + + LUAI_FUNC Proto *luaF_newproto (lua_State *L); -LUAI_FUNC Closure *luaF_newCclosure (lua_State *L, int nelems); -LUAI_FUNC Closure *luaF_newLclosure (lua_State *L, int nelems); -LUAI_FUNC UpVal *luaF_newupval (lua_State *L); +LUAI_FUNC CClosure *luaF_newCclosure (lua_State *L, int nelems); +LUAI_FUNC LClosure *luaF_newLclosure (lua_State *L, int nelems); +LUAI_FUNC void luaF_initupvals (lua_State *L, LClosure *cl); LUAI_FUNC UpVal *luaF_findupval (lua_State *L, StkId level); LUAI_FUNC void luaF_close (lua_State *L, StkId level); LUAI_FUNC void luaF_freeproto (lua_State *L, Proto *f); -LUAI_FUNC void luaF_freeupval (lua_State *L, UpVal *uv); LUAI_FUNC const char *luaF_getlocalname (const Proto *func, int local_number, int pc); |