1//! Dummy implementations that we emit along with an error.
2
3use proc_macro2::Ident;
4use quote::quote;
5
6#[must_use]
7pub(crate) fn parser(name: &Ident) -> proc_macro2::TokenStream {
8 let into_app: TokenStream = into_app(name);
9 quote!(
10 #[automatically_derived]
11 impl clap::Parser for #name {}
12 #into_app
13 )
14}
15
16#[must_use]
17pub(crate) fn into_app(name: &Ident) -> proc_macro2::TokenStream {
18 quote! {
19 #[automatically_derived]
20 impl clap::CommandFactory for #name {
21 fn command<'b>() -> clap::Command {
22 unimplemented!()
23 }
24 fn command_for_update<'b>() -> clap::Command {
25 unimplemented!()
26 }
27 }
28 }
29}
30
31#[must_use]
32pub(crate) fn from_arg_matches(name: &Ident) -> proc_macro2::TokenStream {
33 quote! {
34 #[automatically_derived]
35 impl clap::FromArgMatches for #name {
36 fn from_arg_matches(_m: &clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> {
37 unimplemented!()
38 }
39 fn update_from_arg_matches(&mut self, matches: &clap::ArgMatches) -> ::std::result::Result<(), clap::Error>{
40 unimplemented!()
41 }
42 }
43 }
44}
45
46#[must_use]
47pub(crate) fn subcommand(name: &Ident) -> proc_macro2::TokenStream {
48 let from_arg_matches: TokenStream = from_arg_matches(name);
49 quote! {
50 #[automatically_derived]
51 impl clap::Subcommand for #name {
52 fn augment_subcommands(_cmd: clap::Command) -> clap::Command {
53 unimplemented!()
54 }
55 fn augment_subcommands_for_update(_cmd: clap::Command) -> clap::Command {
56 unimplemented!()
57 }
58 fn has_subcommand(name: &str) -> bool {
59 unimplemented!()
60 }
61 }
62 #from_arg_matches
63 }
64}
65
66#[must_use]
67pub(crate) fn args(name: &Ident) -> proc_macro2::TokenStream {
68 let from_arg_matches: TokenStream = from_arg_matches(name);
69 quote! {
70 #[automatically_derived]
71 impl clap::Args for #name {
72 fn augment_args(_cmd: clap::Command) -> clap::Command {
73 unimplemented!()
74 }
75 fn augment_args_for_update(_cmd: clap::Command) -> clap::Command {
76 unimplemented!()
77 }
78 }
79 #from_arg_matches
80 }
81}
82
83#[must_use]
84pub(crate) fn value_enum(name: &Ident) -> proc_macro2::TokenStream {
85 quote! {
86 #[automatically_derived]
87 impl clap::ValueEnum for #name {
88 fn value_variants<'a>() -> &'a [Self]{
89 unimplemented!()
90 }
91 fn from_str(_input: &str, _ignore_case: bool) -> ::std::result::Result<Self, String> {
92 unimplemented!()
93 }
94 fn to_possible_value<'a>(&self) -> ::std::option::Option<clap::builder::PossibleValue>{
95 unimplemented!()
96 }
97 }
98 }
99}
100