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better definitions for lua_[gs]etglobal + less uses of ENVIRONINDEX

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Roberto Ierusalimschy
2010-03-13 00:57:46 -03:00
parent 25c557ec63
commit 489253d753
4 changed files with 28 additions and 23 deletions
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10
lua.h
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@@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.260 2010/01/06 15:08:00 roberto Exp roberto $
** $Id: lua.h,v 1.261 2010/01/11 17:15:11 roberto Exp roberto $
** Lua - A Scripting Language
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
** See Copyright Notice at the end of this file
@@ -297,8 +297,12 @@ LUA_API void (lua_setallocf) (lua_State *L, lua_Alloc f, void *ud);
#define lua_newtable(L) lua_createtable(L, 0, 0)
#define lua_setglobal(L,s) lua_setfield(L, LUA_ENVIRONINDEX, (s))
#define lua_getglobal(L,s) lua_getfield(L, LUA_ENVIRONINDEX, (s))
#define lua_setglobal(L,s) \
(lua_pushglobaltable(L), lua_pushvalue(L, -2), \
lua_setfield(L, -2, (s)), lua_pop(L, 2))
#define lua_getglobal(L,s) \
(lua_pushglobaltable(L), lua_getfield(L, -1, (s)), lua_remove(L, -2))
#define lua_register(L,n,f) \
(lua_pushcfunction(L, (f)), lua_setfield(L, LUA_ENVIRONINDEX, (n)))