Function pushfuncname

depends/lua/src/lauxlib.c:94–107

static void pushfuncname (lua_State *L, lua_Debug *ar) {
  if (pushglobalfuncname(L, ar)) {  /* try first a global name */
    lua_pushfstring(L, "function '%s'", lua_tostring(L, -1));
    lua_remove(L, -2);  /* remove name */
  }
  else if (*ar->namewhat != '\0')  /* is there a name from code? */
    lua_pushfstring(L, "%s '%s'", ar->namewhat, ar->name);  /* use it */
  else if (*ar->what == 'm')  /* main? */
      lua_pushliteral(L, "main chunk");
  else if (*ar->what != 'C')  /* for Lua functions, use <file:line> */
    lua_pushfstring(L, "function <%s:%d>", ar->short_src, ar->linedefined);
  else  /* nothing left... */
    lua_pushliteral(L, "?");
}


static int lastlevel (lua_State *L) {