func MaybeArgumentParser(_ *gelo.VM, args *gelo.List, ac uint) gelo.Word {
parser := extensions.MakeArgParser(_args_to_spec(args, ac))
return gelo.Alien(func(vm *gelo.VM, args *gelo.List, _ uint) gelo.Word {
Args, ok := parser(args)
if !ok {
return gelo.NewList(gelo.False)
}
return gelo.NewList(gelo.True, gelo.NewDictFrom(Args))
})
}
func Zip_map(vm *gelo.VM, args *gelo.List, ac uint) gelo.Word {
if ac != 2 {
gelo.ArgumentError(vm, "zip-map", "key-list value-list", args)
}
keys := vm.API.ListOrElse(args.Value)
values := vm.API.ListOrElse(args.Next.Value)
m := make(map[string]gelo.Word)
for ; keys != nil || values != nil; keys, values = keys.Next, values.Next {
m[keys.Value.Ser().String()] = values.Value
}
return gelo.NewDictFrom(m)
}
func Exportsx(vm *gelo.VM, args *gelo.List, ac uint) gelo.Word {
lvls, args := _export_parser(vm, args)
m := make(map[string]gelo.Word)
for ; args != nil; args = args.Next {
//Ns Ser's value anyway so no point in doing it twice
k := args.Value.Ser()
v := vm.Ns.LookupOrElse(k)
m[k.String()] = v
}
d := gelo.NewDictFrom(m)
if !vm.Ns.Inject(lvls, d) {
gelo.RuntimeError(vm, "invalid namespace specified")
}
return d
}
func Aggregate(items map[string]interface{}) gelo.Alien {
Map := make(map[string]gelo.Word)
for k, v := range items {
Map[k] = gelo.Convert(v)
}
d := gelo.NewDictFrom(Map)
return gelo.Alien(func(vm *gelo.VM, args *gelo.List, ac uint) gelo.Word {
if ac == 0 {
return d
}
item, there := Map[args.Value.Ser().String()]
if !there {
//XXX this error message could be comprehensible in theory
//will fix itself when vm contains name, lineno, etc
gelo.ArgumentError(vm, "<an aggregate>", "command args*", args.Next)
}
return vm.API.TailInvokeCmd(item, args.Next)
})
}
func ArgumentParser(_ *gelo.VM, args *gelo.List, ac uint) gelo.Word {
parser := extensions.MakeOrElseArgParser(_args_to_spec(args, ac))
return gelo.Alien(func(vm *gelo.VM, args *gelo.List, _ uint) gelo.Word {
return gelo.NewDictFrom(parser(vm, args))
})
}
