mirrors/lua
0
0
Fork 0
mirror of https://github.com/lua/lua.git synced 2024-11-24 18:53:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

`optimization' doesn't seem to make any difference...

Browse Source
This commit is contained in:
Roberto Ierusalimschy 1999-12-06 17:30:53 -02:00
parent 617be66015
commit ba1f504970
1 changed files with 10 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
lvm.c
View File

@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 1.69 1999/12/01 19:50:08 roberto Exp roberto $
** $Id: lvm.c,v 1.70 1999/12/06 11:40:55 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@ -170,21 +170,15 @@ void luaV_rawsettable (lua_State *L, StkId t) {
void luaV_getglobal (lua_State *L, GlobalVar *gv) {
/* WARNING: caller must assure stack space */
const TObject *value = &gv->value;
switch (ttype(value)) {
/* only userdata, tables and nil can have getglobal tag methods */
case LUA_T_USERDATA: case LUA_T_ARRAY: case LUA_T_NIL: {
TObject *im = luaT_getimbyObj(L, value, IM_GETGLOBAL);
if (ttype(im) != LUA_T_NIL) { /* is there a tag method? */
ttype(L->top) = LUA_T_STRING;
tsvalue(L->top) = gv->name; /* global name */
L->top++;
*L->top++ = *value;
luaD_callTM(L, im, 2, 1);
return;
}
/* else no tag method: go through to default behavior */
}
default: *L->top++ = *value; /* default behavior */
TObject *im = luaT_getimbyObj(L, value, IM_GETGLOBAL);
if (ttype(im) != LUA_T_NIL) { /* is there a tag method? */
ttype(L->top) = LUA_T_STRING;
tsvalue(L->top) = gv->name; /* global name */
L->top++;
*L->top++ = *value;
luaD_callTM(L, im, 2, 1);
} else { /* no tag method */
*L->top++ = *value; /* default behavior */
}
}