26 lines
794 B
C++
26 lines
794 B
C++
|
/*
|
||
|
Copyright (c) 2013 Microsoft Corporation. All rights reserved.
|
||
|
Released under Apache 2.0 license as described in the file LICENSE.
|
||
|
|
||
|
Author: Leonardo de Moura
|
||
|
*/
|
||
|
#ifdef LEAN_USE_LUA
|
||
|
#include <lua.hpp>
|
||
|
namespace lean {
|
||
|
/**
|
||
|
\brief luaL_setfuncs replacement. The function luaL_setfuncs is only available in Lua 5.2.
|
||
|
*/
|
||
|
void setfuncs(lua_State * L, luaL_Reg const * l, int nup) {
|
||
|
luaL_checkstack(L, nup, "too many upvalues");
|
||
|
for (; l->name != NULL; l++) {
|
||
|
// fill the table with given functions
|
||
|
for (int i = 0; i < nup; i++) // copy upvalues to the top
|
||
|
lua_pushvalue(L, -nup);
|
||
|
lua_pushcclosure(L, l->func, nup); // closure with those upvalues
|
||
|
lua_setfield(L, -(nup + 2), l->name);
|
||
|
}
|
||
|
lua_pop(L, nup); // remove upvalues
|
||
|
}
|
||
|
}
|
||
|
#endif
|