| //! Dummy implementations that we emit along with an error. |
| |
| use proc_macro2::Ident; |
| use proc_macro_error::append_dummy; |
| use quote::quote; |
| |
| pub fn parser_struct(name: &Ident) { |
| into_app(name); |
| args(name); |
| append_dummy(quote!( impl clap::Parser for #name {} )); |
| } |
| |
| pub fn parser_enum(name: &Ident) { |
| into_app(name); |
| subcommand(name); |
| append_dummy(quote!( impl clap::Parser for #name {} )); |
| } |
| |
| pub fn into_app(name: &Ident) { |
| append_dummy(quote! { |
| impl clap::CommandFactory for #name { |
| fn command<'b>() -> clap::Command { |
| unimplemented!() |
| } |
| fn command_for_update<'b>() -> clap::Command { |
| unimplemented!() |
| } |
| } |
| }); |
| } |
| |
| pub fn from_arg_matches(name: &Ident) { |
| append_dummy(quote! { |
| impl clap::FromArgMatches for #name { |
| fn from_arg_matches(_m: &clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> { |
| unimplemented!() |
| } |
| fn update_from_arg_matches(&mut self, matches: &clap::ArgMatches) -> ::std::result::Result<(), clap::Error>{ |
| unimplemented!() |
| } |
| } |
| }); |
| } |
| |
| pub fn subcommand(name: &Ident) { |
| from_arg_matches(name); |
| append_dummy(quote! { |
| impl clap::Subcommand for #name { |
| fn augment_subcommands(_cmd: clap::Command) -> clap::Command { |
| unimplemented!() |
| } |
| fn augment_subcommands_for_update(_cmd: clap::Command) -> clap::Command { |
| unimplemented!() |
| } |
| fn has_subcommand(name: &str) -> bool { |
| unimplemented!() |
| } |
| } |
| }); |
| } |
| |
| pub fn args(name: &Ident) { |
| from_arg_matches(name); |
| append_dummy(quote! { |
| impl clap::Args for #name { |
| fn augment_args(_cmd: clap::Command) -> clap::Command { |
| unimplemented!() |
| } |
| fn augment_args_for_update(_cmd: clap::Command) -> clap::Command { |
| unimplemented!() |
| } |
| } |
| }); |
| } |
| |
| pub fn value_enum(name: &Ident) { |
| append_dummy(quote! { |
| impl clap::ValueEnum for #name { |
| fn value_variants<'a>() -> &'a [Self]{ |
| unimplemented!() |
| } |
| fn from_str(_input: &str, _ignore_case: bool) -> ::std::result::Result<Self, String> { |
| unimplemented!() |
| } |
| fn to_possible_value<'a>(&self) -> ::std::option::Option<clap::builder::PossibleValue>{ |
| unimplemented!() |
| } |
| } |
| }) |
| } |
