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Remove help message generation

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topjohnwu 2023-08-17 21:20:42 -07:00
parent e8efc8285f
commit f0ca7d9d7f
1 changed files with 6 additions and 19 deletions
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25
argh_derive/src/lib.rs
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@ -19,9 +19,7 @@ use {
syn::{spanned::Spanned, GenericArgument, LitStr, PathArguments, Type},
};
mod args_info;
mod errors;
mod help;
mod parse_attrs;
/// Entrypoint for `#[derive(FromArgs)]`.
@ -34,10 +32,8 @@ pub fn argh_derive(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
/// Entrypoint for `#[derive(ArgsInfo)]`.
#[proc_macro_derive(ArgsInfo, attributes(argh))]
pub fn args_info_derive(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
let ast = syn::parse_macro_input!(input as syn::DeriveInput);
let gen = args_info::impl_args_info(&ast);
gen.into()
pub fn args_info_derive(_input: proc_macro::TokenStream) -> proc_macro::TokenStream {
TokenStream::new().into()
}
/// Transform the input into a token stream containing any generated implementations,
@ -302,7 +298,7 @@ fn impl_from_args_struct(
fn impl_from_args_struct_from_args<'a>(
errors: &Errors,
type_attrs: &TypeAttrs,
_type_attrs: &TypeAttrs,
fields: &'a [StructField<'a>],
) -> TokenStream {
let init_fields = declare_local_storage_for_from_args_fields(fields);
@ -363,10 +359,6 @@ fn impl_from_args_struct_from_args<'a>(
quote_spanned! { impl_span => None }
};
// Identifier referring to a value containing the name of the current command as an `&[&str]`.
let cmd_name_str_array_ident = syn::Ident::new("__cmd_name", impl_span);
let help = help::help(errors, cmd_name_str_array_ident, type_attrs, fields, subcommand);
let method_impl = quote_spanned! { impl_span =>
fn from_args(__cmd_name: &[&str], __args: &[&str])
-> std::result::Result<Self, argh::EarlyExit>
@ -395,7 +387,7 @@ fn impl_from_args_struct_from_args<'a>(
last_is_greedy: #last_positional_is_greedy,
},
#parse_subcommands,
&|| #help,
&|| { String::new() },
)?;
let mut #missing_requirements_ident = argh::MissingRequirements::default();
@ -483,10 +475,6 @@ fn impl_from_args_struct_redact_arg_values<'a>(
quote! { "no subcommand name" }
};
// Identifier referring to a value containing the name of the current command as an `&[&str]`.
let cmd_name_str_array_ident = syn::Ident::new("__cmd_name", impl_span);
let help = help::help(errors, cmd_name_str_array_ident, type_attrs, fields, subcommand);
let method_impl = quote_spanned! { impl_span =>
fn redact_arg_values(__cmd_name: &[&str], __args: &[&str]) -> std::result::Result<Vec<String>, argh::EarlyExit> {
#( #init_fields )*
@ -511,7 +499,7 @@ fn impl_from_args_struct_redact_arg_values<'a>(
last_is_greedy: #last_positional_is_greedy,
},
#redact_subcommands,
&|| #help,
&|| { String::new() },
)?;
let mut #missing_requirements_ident = argh::MissingRequirements::default();
@ -597,8 +585,7 @@ fn top_or_sub_cmd_impl(
type_attrs: &TypeAttrs,
generic_args: &syn::Generics,
) -> TokenStream {
let description =
help::require_description(errors, name.span(), &type_attrs.description, "type");
let description = String::new();
let (impl_generics, ty_generics, where_clause) = generic_args.split_for_impl();
if type_attrs.is_subcommand.is_none() {
// Not a subcommand