func LuaPushSmartFunctionTable(L *lua.State, ft FunctionTable) {
// Copy it just in case - I can't imagine someone changing it after passing
// it to this function, but I don't want to take any chances.
myft := make(FunctionTable)
for n, f := range ft {
myft[n] = f
}
names := make([]string, len(myft))[0:0]
for name := range myft {
names = append(names, name)
}
sort.Strings(names)
valid_selectors := "["
for i, name := range names {
if i > 0 {
valid_selectors += ", "
}
valid_selectors += fmt.Sprintf("'%s'", name)
}
valid_selectors += "]."
L.NewTable()
L.PushString("__index")
L.PushGoFunction(func(L *lua.State) int {
name := L.ToString(-1)
if f, ok := myft[name]; ok {
f()
} else {
base.Error().Printf("'%s' is not a valid selector, valid seletors are %s", name, valid_selectors)
L.PushNil()
}
return 1
})
L.SetTable(-3)
}