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//! Dummy implementations that we emit along with an error.
use proc_macro2::Ident;
use quote::quote;
#[must_use]
pub(crate) fn parser(name: &Ident) -> proc_macro2::TokenStream {
let into_app = into_app(name);
quote!(
#[automatically_derived]
impl clap::Parser for #name {}
#into_app
)
}
#[must_use]
pub(crate) fn into_app(name: &Ident) -> proc_macro2::TokenStream {
quote! {
#[automatically_derived]
impl clap::CommandFactory for #name {
fn command<'b>() -> clap::Command {
unimplemented!()
}
fn command_for_update<'b>() -> clap::Command {
unimplemented!()
}
}
}
}
#[must_use]
pub(crate) fn from_arg_matches(name: &Ident) -> proc_macro2::TokenStream {
quote! {
#[automatically_derived]
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!()
}
}
}
}
#[must_use]
pub(crate) fn subcommand(name: &Ident) -> proc_macro2::TokenStream {
let from_arg_matches = from_arg_matches(name);
quote! {
#[automatically_derived]
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!()
}
}
#from_arg_matches
}
}
#[must_use]
pub(crate) fn args(name: &Ident) -> proc_macro2::TokenStream {
let from_arg_matches = from_arg_matches(name);
quote! {
#[automatically_derived]
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!()
}
}
#from_arg_matches
}
}
#[must_use]
pub(crate) fn value_enum(name: &Ident) -> proc_macro2::TokenStream {
quote! {
#[automatically_derived]
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!()
}
}
}
}