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|
//! 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! {
#[allow(deprecated)]
impl clap::CommandFactory for #name {
fn into_app<'b>() -> clap::Command<'b> {
unimplemented!()
}
fn into_app_for_update<'b>() -> clap::Command<'b> {
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 arg_enum(name: &Ident) {
append_dummy(quote! {
impl clap::ArgEnum 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::PossibleValue<'a>>{
unimplemented!()
}
}
})
}
|
