nik/lush
1
1
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source
This commit is contained in:
Roberto Ierusalimschy
2010-03-13 00:57:46 -03:00
parent 25c557ec63
commit 489253d753
4 changed files with 28 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
lbaselib.c
View File

@@ -1,5 +1,5 @@
/*
** $Id: lbaselib.c,v 1.235 2009/12/28 16:30:31 roberto Exp roberto $
** $Id: lbaselib.c,v 1.236 2010/03/12 19:14:06 roberto Exp roberto $
** Basic library
** See Copyright Notice in lua.h
*/
@@ -23,7 +23,7 @@
static int luaB_print (lua_State *L) {
int n = lua_gettop(L); /* number of arguments */
int i;
lua_getfield(L, LUA_ENVIRONINDEX, "tostring");
lua_getglobal(L, "tostring");
for (i=1; i<=n; i++) {
const char *s;
size_t l;
@@ -679,11 +679,12 @@ static void auxopen (lua_State *L, const char *name,
static void base_open (lua_State *L) {
/* set global _G */
lua_pushglobaltable(L);
lua_setfield(L, LUA_ENVIRONINDEX, "_G");
lua_pushglobaltable(L);
lua_setfield(L, -2, "_G");
/* open lib into global table */
luaL_register(L, "_G", base_funcs);
lua_pushliteral(L, LUA_VERSION);
lua_setfield(L, LUA_ENVIRONINDEX, "_VERSION"); /* set global _VERSION */
lua_setfield(L, -2, "_VERSION"); /* set global _VERSION */
/* `ipairs' and `pairs' need auxiliary functions as upvalues */
auxopen(L, "ipairs", luaB_ipairs, ipairsaux);
auxopen(L, "pairs", luaB_pairs, luaB_next);
@@ -694,7 +695,7 @@ static void base_open (lua_State *L) {
lua_pushliteral(L, "kv");
lua_setfield(L, -2, "__mode"); /* metatable(w).__mode = "kv" */
lua_pushcclosure(L, luaB_newproxy, 1);
lua_setfield(L, LUA_ENVIRONINDEX, "newproxy"); /* set global `newproxy' */
lua_setfield(L, -2, "newproxy"); /* set global `newproxy' */
}