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-rw-r--r--vendor/clap_derive-3.2.18/src/derives/args.rs796
-rw-r--r--vendor/clap_derive-3.2.18/src/derives/into_app.rs119
-rw-r--r--vendor/clap_derive-3.2.18/src/derives/mod.rs23
-rw-r--r--vendor/clap_derive-3.2.18/src/derives/parser.rs95
-rw-r--r--vendor/clap_derive-3.2.18/src/derives/subcommand.rs678
-rw-r--r--vendor/clap_derive-3.2.18/src/derives/value_enum.rs124
6 files changed, 1835 insertions, 0 deletions
diff --git a/vendor/clap_derive-3.2.18/src/derives/args.rs b/vendor/clap_derive-3.2.18/src/derives/args.rs
new file mode 100644
index 000000000..4195a0810
--- /dev/null
+++ b/vendor/clap_derive-3.2.18/src/derives/args.rs
@@ -0,0 +1,796 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
+// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
+// Ana Hobden (@hoverbear) <operator@hoverbear.org>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+//
+// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
+// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
+// MIT/Apache 2.0 license.
+
+use crate::{
+ attrs::{Attrs, Kind, Name, ParserKind, DEFAULT_CASING, DEFAULT_ENV_CASING},
+ dummies,
+ utils::{inner_type, is_simple_ty, sub_type, Sp, Ty},
+};
+
+use proc_macro2::{Ident, Span, TokenStream};
+use proc_macro_error::{abort, abort_call_site};
+use quote::{format_ident, quote, quote_spanned};
+use syn::{
+ punctuated::Punctuated, spanned::Spanned, token::Comma, Attribute, Data, DataStruct,
+ DeriveInput, Field, Fields, Generics, Type,
+};
+
+pub fn derive_args(input: &DeriveInput) -> TokenStream {
+ let ident = &input.ident;
+
+ dummies::args(ident);
+
+ match input.data {
+ Data::Struct(DataStruct {
+ fields: Fields::Named(ref fields),
+ ..
+ }) => gen_for_struct(ident, &input.generics, &fields.named, &input.attrs),
+ Data::Struct(DataStruct {
+ fields: Fields::Unit,
+ ..
+ }) => gen_for_struct(
+ ident,
+ &input.generics,
+ &Punctuated::<Field, Comma>::new(),
+ &input.attrs,
+ ),
+ _ => abort_call_site!("`#[derive(Args)]` only supports non-tuple structs"),
+ }
+}
+
+pub fn gen_for_struct(
+ struct_name: &Ident,
+ generics: &Generics,
+ fields: &Punctuated<Field, Comma>,
+ attrs: &[Attribute],
+) -> TokenStream {
+ let from_arg_matches = gen_from_arg_matches_for_struct(struct_name, generics, fields, attrs);
+
+ let attrs = Attrs::from_struct(
+ Span::call_site(),
+ attrs,
+ Name::Derived(struct_name.clone()),
+ Sp::call_site(DEFAULT_CASING),
+ Sp::call_site(DEFAULT_ENV_CASING),
+ );
+ let app_var = Ident::new("__clap_app", Span::call_site());
+ let augmentation = gen_augment(fields, &app_var, &attrs, false);
+ let augmentation_update = gen_augment(fields, &app_var, &attrs, true);
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ quote! {
+ #from_arg_matches
+
+ #[allow(dead_code, unreachable_code, unused_variables, unused_braces)]
+ #[allow(
+ clippy::style,
+ clippy::complexity,
+ clippy::pedantic,
+ clippy::restriction,
+ clippy::perf,
+ clippy::deprecated,
+ clippy::nursery,
+ clippy::cargo,
+ clippy::suspicious_else_formatting,
+ )]
+ #[deny(clippy::correctness)]
+ impl #impl_generics clap::Args for #struct_name #ty_generics #where_clause {
+ fn augment_args<'b>(#app_var: clap::Command<'b>) -> clap::Command<'b> {
+ #augmentation
+ }
+ fn augment_args_for_update<'b>(#app_var: clap::Command<'b>) -> clap::Command<'b> {
+ #augmentation_update
+ }
+ }
+ }
+}
+
+pub fn gen_from_arg_matches_for_struct(
+ struct_name: &Ident,
+ generics: &Generics,
+ fields: &Punctuated<Field, Comma>,
+ attrs: &[Attribute],
+) -> TokenStream {
+ let attrs = Attrs::from_struct(
+ Span::call_site(),
+ attrs,
+ Name::Derived(struct_name.clone()),
+ Sp::call_site(DEFAULT_CASING),
+ Sp::call_site(DEFAULT_ENV_CASING),
+ );
+
+ let constructor = gen_constructor(fields, &attrs);
+ let updater = gen_updater(fields, &attrs, true);
+ let raw_deprecated = raw_deprecated();
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ quote! {
+ #[allow(dead_code, unreachable_code, unused_variables, unused_braces)]
+ #[allow(
+ clippy::style,
+ clippy::complexity,
+ clippy::pedantic,
+ clippy::restriction,
+ clippy::perf,
+ clippy::deprecated,
+ clippy::nursery,
+ clippy::cargo,
+ clippy::suspicious_else_formatting,
+ )]
+ #[deny(clippy::correctness)]
+ impl #impl_generics clap::FromArgMatches for #struct_name #ty_generics #where_clause {
+ fn from_arg_matches(__clap_arg_matches: &clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> {
+ Self::from_arg_matches_mut(&mut __clap_arg_matches.clone())
+ }
+
+ fn from_arg_matches_mut(__clap_arg_matches: &mut clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> {
+ #raw_deprecated
+ let v = #struct_name #constructor;
+ ::std::result::Result::Ok(v)
+ }
+
+ fn update_from_arg_matches(&mut self, __clap_arg_matches: &clap::ArgMatches) -> ::std::result::Result<(), clap::Error> {
+ self.update_from_arg_matches_mut(&mut __clap_arg_matches.clone())
+ }
+
+ fn update_from_arg_matches_mut(&mut self, __clap_arg_matches: &mut clap::ArgMatches) -> ::std::result::Result<(), clap::Error> {
+ #raw_deprecated
+ #updater
+ ::std::result::Result::Ok(())
+ }
+ }
+ }
+}
+
+/// Generate a block of code to add arguments/subcommands corresponding to
+/// the `fields` to an cmd.
+pub fn gen_augment(
+ fields: &Punctuated<Field, Comma>,
+ app_var: &Ident,
+ parent_attribute: &Attrs,
+ override_required: bool,
+) -> TokenStream {
+ let mut subcmds = fields.iter().filter_map(|field| {
+ let attrs = Attrs::from_field(
+ field,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+ let kind = attrs.kind();
+ if let Kind::Subcommand(ty) = &*kind {
+ let subcmd_type = match (**ty, sub_type(&field.ty)) {
+ (Ty::Option, Some(sub_type)) => sub_type,
+ _ => &field.ty,
+ };
+ let required = if **ty == Ty::Option {
+ quote!()
+ } else {
+ quote_spanned! { kind.span()=>
+ #[allow(deprecated)]
+ let #app_var = #app_var.setting(
+ clap::AppSettings::SubcommandRequiredElseHelp
+ );
+ }
+ };
+
+ let span = field.span();
+ let ts = if override_required {
+ quote! {
+ let #app_var = <#subcmd_type as clap::Subcommand>::augment_subcommands_for_update( #app_var );
+ }
+ } else{
+ quote! {
+ let #app_var = <#subcmd_type as clap::Subcommand>::augment_subcommands( #app_var );
+ #required
+ }
+ };
+ Some((span, ts))
+ } else {
+ None
+ }
+ });
+ let subcmd = subcmds.next().map(|(_, ts)| ts);
+ if let Some((span, _)) = subcmds.next() {
+ abort!(
+ span,
+ "multiple subcommand sets are not allowed, that's the second"
+ );
+ }
+
+ let args = fields.iter().filter_map(|field| {
+ let attrs = Attrs::from_field(
+ field,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+ let kind = attrs.kind();
+ match &*kind {
+ Kind::Subcommand(_)
+ | Kind::Skip(_)
+ | Kind::FromGlobal(_)
+ | Kind::ExternalSubcommand => None,
+ Kind::Flatten => {
+ let ty = &field.ty;
+ let old_heading_var = format_ident!("__clap_old_heading");
+ let next_help_heading = attrs.next_help_heading();
+ let next_display_order = attrs.next_display_order();
+ if override_required {
+ Some(quote_spanned! { kind.span()=>
+ let #old_heading_var = #app_var.get_next_help_heading();
+ let #app_var = #app_var #next_help_heading #next_display_order;
+ let #app_var = <#ty as clap::Args>::augment_args_for_update(#app_var);
+ let #app_var = #app_var.next_help_heading(#old_heading_var);
+ })
+ } else {
+ Some(quote_spanned! { kind.span()=>
+ let #old_heading_var = #app_var.get_next_help_heading();
+ let #app_var = #app_var #next_help_heading #next_display_order;
+ let #app_var = <#ty as clap::Args>::augment_args(#app_var);
+ let #app_var = #app_var.next_help_heading(#old_heading_var);
+ })
+ }
+ }
+ Kind::Arg(ty) => {
+ let convert_type = inner_type(&field.ty);
+
+ let parser = attrs.parser(&field.ty);
+
+ let value_parser = attrs.value_parser(&field.ty);
+ let action = attrs.action(&field.ty);
+ let func = &parser.func;
+
+ let mut occurrences = false;
+ let mut flag = false;
+ let validator = match *parser.kind {
+ _ if attrs.ignore_parser() || attrs.is_enum() => quote!(),
+ ParserKind::TryFromStr => quote_spanned! { func.span()=>
+ .validator(|s| {
+ #func(s)
+ .map(|_: #convert_type| ())
+ })
+ },
+ ParserKind::TryFromOsStr => quote_spanned! { func.span()=>
+ .validator_os(|s| #func(s).map(|_: #convert_type| ()))
+ },
+ ParserKind::FromStr | ParserKind::FromOsStr => quote!(),
+ ParserKind::FromFlag => {
+ flag = true;
+ quote!()
+ }
+ ParserKind::FromOccurrences => {
+ occurrences = true;
+ quote!()
+ }
+ };
+ let parse_deprecation = match *parser.kind {
+ _ if !attrs.explicit_parser() || cfg!(not(feature = "deprecated")) => quote!(),
+ ParserKind::FromStr => quote_spanned! { func.span()=>
+ #[deprecated(since = "3.2.0", note = "Replaced with `#[clap(value_parser = ...)]`")]
+ fn parse_from_str() {
+ }
+ parse_from_str();
+ },
+ ParserKind::TryFromStr => quote_spanned! { func.span()=>
+ #[deprecated(since = "3.2.0", note = "Replaced with `#[clap(value_parser = ...)]`")]
+ fn parse_try_from_str() {
+ }
+ parse_try_from_str();
+ },
+ ParserKind::FromOsStr => quote_spanned! { func.span()=>
+ #[deprecated(since = "3.2.0", note = "Replaced with `#[clap(value_parser)]` for `PathBuf` or `#[clap(value_parser = ...)]` with a custom `TypedValueParser`")]
+ fn parse_from_os_str() {
+ }
+ parse_from_os_str();
+ },
+ ParserKind::TryFromOsStr => quote_spanned! { func.span()=>
+ #[deprecated(since = "3.2.0", note = "Replaced with `#[clap(value_parser = ...)]` with a custom `TypedValueParser`")]
+ fn parse_try_from_os_str() {
+ }
+ parse_try_from_os_str();
+ },
+ ParserKind::FromFlag => quote_spanned! { func.span()=>
+ #[deprecated(since = "3.2.0", note = "Replaced with `#[clap(action = ArgAction::SetTrue)]`")]
+ fn parse_from_flag() {
+ }
+ parse_from_flag();
+ },
+ ParserKind::FromOccurrences => quote_spanned! { func.span()=>
+ #[deprecated(since = "3.2.0", note = "Replaced with `#[clap(action = ArgAction::Count)]` with a field type of `u8`")]
+ fn parse_from_occurrences() {
+ }
+ parse_from_occurrences();
+ },
+ };
+
+ let value_name = attrs.value_name();
+ let possible_values = if attrs.is_enum() && !attrs.ignore_parser() {
+ gen_value_enum_possible_values(convert_type)
+ } else {
+ quote!()
+ };
+
+ let implicit_methods = match **ty {
+ Ty::Option => {
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ }
+
+ Ty::OptionOption => quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ .min_values(0)
+ .max_values(1)
+ .multiple_values(false)
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ },
+
+ Ty::OptionVec => {
+ if attrs.ignore_parser() {
+ if attrs.is_positional() {
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ .multiple_values(true) // action won't be sufficient for getting multiple
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ } else {
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ }
+ } else {
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ .multiple_occurrences(true)
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ }
+ }
+
+ Ty::Vec => {
+ if attrs.ignore_parser() {
+ if attrs.is_positional() {
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ .multiple_values(true) // action won't be sufficient for getting multiple
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ } else {
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ }
+ } else {
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ .multiple_occurrences(true)
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ }
+ }
+
+ Ty::Other if occurrences => quote_spanned! { ty.span()=>
+ .multiple_occurrences(true)
+ },
+
+ Ty::Other if flag => quote_spanned! { ty.span()=>
+ .takes_value(false)
+ },
+
+ Ty::Other => {
+ let required = attrs.find_default_method().is_none() && !override_required;
+ // `ArgAction::takes_values` is assuming `ArgAction::default_value` will be
+ // set though that won't always be true but this should be good enough,
+ // otherwise we'll report an "arg required" error when unwrapping.
+ let action_value = action.args();
+ quote_spanned! { ty.span()=>
+ .takes_value(true)
+ .value_name(#value_name)
+ .required(#required && #action_value.takes_values())
+ #possible_values
+ #validator
+ #value_parser
+ #action
+ }
+ }
+ };
+
+ let id = attrs.id();
+ let explicit_methods = attrs.field_methods(true);
+
+ Some(quote_spanned! { field.span()=>
+ let #app_var = #app_var.arg({
+ #parse_deprecation
+
+ #[allow(deprecated)]
+ let arg = clap::Arg::new(#id)
+ #implicit_methods;
+
+ let arg = arg
+ #explicit_methods;
+ arg
+ });
+ })
+ }
+ }
+ });
+
+ let initial_app_methods = parent_attribute.initial_top_level_methods();
+ let final_app_methods = parent_attribute.final_top_level_methods();
+ quote! {{
+ let #app_var = #app_var #initial_app_methods;
+ #( #args )*
+ #subcmd
+ #app_var #final_app_methods
+ }}
+}
+
+fn gen_value_enum_possible_values(ty: &Type) -> TokenStream {
+ quote_spanned! { ty.span()=>
+ .possible_values(<#ty as clap::ValueEnum>::value_variants().iter().filter_map(clap::ValueEnum::to_possible_value))
+ }
+}
+
+pub fn gen_constructor(fields: &Punctuated<Field, Comma>, parent_attribute: &Attrs) -> TokenStream {
+ let fields = fields.iter().map(|field| {
+ let attrs = Attrs::from_field(
+ field,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+ let field_name = field.ident.as_ref().unwrap();
+ let kind = attrs.kind();
+ let arg_matches = format_ident!("__clap_arg_matches");
+ match &*kind {
+ Kind::ExternalSubcommand => {
+ abort! { kind.span(),
+ "`external_subcommand` can be used only on enum variants"
+ }
+ }
+ Kind::Subcommand(ty) => {
+ let subcmd_type = match (**ty, sub_type(&field.ty)) {
+ (Ty::Option, Some(sub_type)) => sub_type,
+ _ => &field.ty,
+ };
+ match **ty {
+ Ty::Option => {
+ quote_spanned! { kind.span()=>
+ #field_name: {
+ if #arg_matches.subcommand_name().map(<#subcmd_type as clap::Subcommand>::has_subcommand).unwrap_or(false) {
+ Some(<#subcmd_type as clap::FromArgMatches>::from_arg_matches_mut(#arg_matches)?)
+ } else {
+ None
+ }
+ }
+ }
+ },
+ _ => {
+ quote_spanned! { kind.span()=>
+ #field_name: {
+ <#subcmd_type as clap::FromArgMatches>::from_arg_matches_mut(#arg_matches)?
+ }
+ }
+ },
+ }
+ }
+
+ Kind::Flatten => quote_spanned! { kind.span()=>
+ #field_name: clap::FromArgMatches::from_arg_matches_mut(#arg_matches)?
+ },
+
+ Kind::Skip(val) => match val {
+ None => quote_spanned!(kind.span()=> #field_name: Default::default()),
+ Some(val) => quote_spanned!(kind.span()=> #field_name: (#val).into()),
+ },
+
+ Kind::Arg(ty) | Kind::FromGlobal(ty) => {
+ gen_parsers(&attrs, ty, field_name, field, None)
+ }
+ }
+ });
+
+ quote! {{
+ #( #fields ),*
+ }}
+}
+
+pub fn gen_updater(
+ fields: &Punctuated<Field, Comma>,
+ parent_attribute: &Attrs,
+ use_self: bool,
+) -> TokenStream {
+ let fields = fields.iter().map(|field| {
+ let attrs = Attrs::from_field(
+ field,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+ let field_name = field.ident.as_ref().unwrap();
+ let kind = attrs.kind();
+
+ let access = if use_self {
+ quote! {
+ #[allow(non_snake_case)]
+ let #field_name = &mut self.#field_name;
+ }
+ } else {
+ quote!()
+ };
+ let arg_matches = format_ident!("__clap_arg_matches");
+
+ match &*kind {
+ Kind::ExternalSubcommand => {
+ abort! { kind.span(),
+ "`external_subcommand` can be used only on enum variants"
+ }
+ }
+ Kind::Subcommand(ty) => {
+ let subcmd_type = match (**ty, sub_type(&field.ty)) {
+ (Ty::Option, Some(sub_type)) => sub_type,
+ _ => &field.ty,
+ };
+
+ let updater = quote_spanned! { ty.span()=>
+ <#subcmd_type as clap::FromArgMatches>::update_from_arg_matches_mut(#field_name, #arg_matches)?;
+ };
+
+ let updater = match **ty {
+ Ty::Option => quote_spanned! { kind.span()=>
+ if let Some(#field_name) = #field_name.as_mut() {
+ #updater
+ } else {
+ *#field_name = Some(<#subcmd_type as clap::FromArgMatches>::from_arg_matches_mut(
+ #arg_matches
+ )?);
+ }
+ },
+ _ => quote_spanned! { kind.span()=>
+ #updater
+ },
+ };
+
+ quote_spanned! { kind.span()=>
+ {
+ #access
+ #updater
+ }
+ }
+ }
+
+ Kind::Flatten => quote_spanned! { kind.span()=> {
+ #access
+ clap::FromArgMatches::update_from_arg_matches_mut(#field_name, #arg_matches)?;
+ }
+ },
+
+ Kind::Skip(_) => quote!(),
+
+ Kind::Arg(ty) | Kind::FromGlobal(ty) => gen_parsers(&attrs, ty, field_name, field, Some(&access)),
+ }
+ });
+
+ quote! {
+ #( #fields )*
+ }
+}
+
+fn gen_parsers(
+ attrs: &Attrs,
+ ty: &Sp<Ty>,
+ field_name: &Ident,
+ field: &Field,
+ update: Option<&TokenStream>,
+) -> TokenStream {
+ use self::ParserKind::*;
+
+ let parser = attrs.parser(&field.ty);
+ let func = &parser.func;
+ let span = parser.kind.span();
+ let convert_type = inner_type(&field.ty);
+ let id = attrs.id();
+ let mut flag = false;
+ let mut occurrences = false;
+ let (get_one, get_many, deref, mut parse) = match *parser.kind {
+ _ if attrs.ignore_parser() => (
+ quote_spanned!(span=> remove_one::<#convert_type>),
+ quote_spanned!(span=> remove_many::<#convert_type>),
+ quote!(|s| s),
+ quote_spanned!(func.span()=> |s| ::std::result::Result::Ok::<_, clap::Error>(s)),
+ ),
+ FromOccurrences => {
+ occurrences = true;
+ (
+ quote_spanned!(span=> occurrences_of),
+ quote!(),
+ quote!(|s| ::std::ops::Deref::deref(s)),
+ func.clone(),
+ )
+ }
+ FromFlag => {
+ flag = true;
+ (
+ quote!(),
+ quote!(),
+ quote!(|s| ::std::ops::Deref::deref(s)),
+ func.clone(),
+ )
+ }
+ FromStr => (
+ quote_spanned!(span=> get_one::<String>),
+ quote_spanned!(span=> get_many::<String>),
+ quote!(|s| ::std::ops::Deref::deref(s)),
+ quote_spanned!(func.span()=> |s| ::std::result::Result::Ok::<_, clap::Error>(#func(s))),
+ ),
+ TryFromStr => (
+ quote_spanned!(span=> get_one::<String>),
+ quote_spanned!(span=> get_many::<String>),
+ quote!(|s| ::std::ops::Deref::deref(s)),
+ quote_spanned!(func.span()=> |s| #func(s).map_err(|err| clap::Error::raw(clap::ErrorKind::ValueValidation, format!("Invalid value for {}: {}", #id, err)))),
+ ),
+ FromOsStr => (
+ quote_spanned!(span=> get_one::<::std::ffi::OsString>),
+ quote_spanned!(span=> get_many::<::std::ffi::OsString>),
+ quote!(|s| ::std::ops::Deref::deref(s)),
+ quote_spanned!(func.span()=> |s| ::std::result::Result::Ok::<_, clap::Error>(#func(s))),
+ ),
+ TryFromOsStr => (
+ quote_spanned!(span=> get_one::<::std::ffi::OsString>),
+ quote_spanned!(span=> get_many::<::std::ffi::OsString>),
+ quote!(|s| ::std::ops::Deref::deref(s)),
+ quote_spanned!(func.span()=> |s| #func(s).map_err(|err| clap::Error::raw(clap::ErrorKind::ValueValidation, format!("Invalid value for {}: {}", #id, err)))),
+ ),
+ };
+ if attrs.is_enum() && !attrs.ignore_parser() {
+ let ci = attrs.ignore_case();
+
+ parse = quote_spanned! { convert_type.span()=>
+ |s| <#convert_type as clap::ValueEnum>::from_str(s, #ci).map_err(|err| clap::Error::raw(clap::ErrorKind::ValueValidation, format!("Invalid value for {}: {}", #id, err)))
+ }
+ }
+
+ // Give this identifier the same hygiene
+ // as the `arg_matches` parameter definition. This
+ // allows us to refer to `arg_matches` within a `quote_spanned` block
+ let arg_matches = format_ident!("__clap_arg_matches");
+
+ let field_value = match **ty {
+ Ty::Option => {
+ quote_spanned! { ty.span()=>
+ #arg_matches.#get_one(#id)
+ .map(#deref)
+ .map(#parse)
+ .transpose()?
+ }
+ }
+
+ Ty::OptionOption => quote_spanned! { ty.span()=>
+ if #arg_matches.contains_id(#id) {
+ Some(
+ #arg_matches.#get_one(#id)
+ .map(#deref)
+ .map(#parse).transpose()?
+ )
+ } else {
+ None
+ }
+ },
+
+ Ty::OptionVec => quote_spanned! { ty.span()=>
+ if #arg_matches.contains_id(#id) {
+ Some(#arg_matches.#get_many(#id)
+ .map(|v| v.map(#deref).map::<::std::result::Result<#convert_type, clap::Error>, _>(#parse).collect::<::std::result::Result<Vec<_>, clap::Error>>())
+ .transpose()?
+ .unwrap_or_else(Vec::new))
+ } else {
+ None
+ }
+ },
+
+ Ty::Vec => {
+ quote_spanned! { ty.span()=>
+ #arg_matches.#get_many(#id)
+ .map(|v| v.map(#deref).map::<::std::result::Result<#convert_type, clap::Error>, _>(#parse).collect::<::std::result::Result<Vec<_>, clap::Error>>())
+ .transpose()?
+ .unwrap_or_else(Vec::new)
+ }
+ }
+
+ Ty::Other if occurrences => quote_spanned! { ty.span()=>
+ #parse(
+ #arg_matches.#get_one(#id)
+ )
+ },
+
+ Ty::Other if flag => {
+ if update.is_some() && is_simple_ty(&field.ty, "bool") {
+ quote_spanned! { ty.span()=>
+ *#field_name || #arg_matches.is_present(#id)
+ }
+ } else {
+ quote_spanned! { ty.span()=>
+ #parse(#arg_matches.is_present(#id))
+ }
+ }
+ }
+
+ Ty::Other => {
+ quote_spanned! { ty.span()=>
+ #arg_matches.#get_one(#id)
+ .map(#deref)
+ .ok_or_else(|| clap::Error::raw(clap::ErrorKind::MissingRequiredArgument, format!("The following required argument was not provided: {}", #id)))
+ .and_then(#parse)?
+ }
+ }
+ };
+
+ if let Some(access) = update {
+ quote_spanned! { field.span()=>
+ if #arg_matches.contains_id(#id) {
+ #access
+ *#field_name = #field_value
+ }
+ }
+ } else {
+ quote_spanned!(field.span()=> #field_name: #field_value )
+ }
+}
+
+#[cfg(feature = "raw-deprecated")]
+pub fn raw_deprecated() -> TokenStream {
+ quote! {}
+}
+
+#[cfg(not(feature = "raw-deprecated"))]
+pub fn raw_deprecated() -> TokenStream {
+ quote! {
+ #![allow(deprecated)] // Assuming any deprecation in here will be related to a deprecation in `Args`
+
+ }
+}
diff --git a/vendor/clap_derive-3.2.18/src/derives/into_app.rs b/vendor/clap_derive-3.2.18/src/derives/into_app.rs
new file mode 100644
index 000000000..319735753
--- /dev/null
+++ b/vendor/clap_derive-3.2.18/src/derives/into_app.rs
@@ -0,0 +1,119 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
+// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
+// Ana Hobden (@hoverbear) <operator@hoverbear.org>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+//
+// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
+// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
+// MIT/Apache 2.0 license.
+
+use std::env;
+
+use proc_macro2::{Span, TokenStream};
+use quote::quote;
+use syn::{Attribute, Generics, Ident};
+
+use crate::{
+ attrs::{Attrs, Name, DEFAULT_CASING, DEFAULT_ENV_CASING},
+ utils::Sp,
+};
+
+pub fn gen_for_struct(
+ struct_name: &Ident,
+ generics: &Generics,
+ attrs: &[Attribute],
+) -> TokenStream {
+ let app_name = env::var("CARGO_PKG_NAME").ok().unwrap_or_default();
+
+ let attrs = Attrs::from_struct(
+ Span::call_site(),
+ attrs,
+ Name::Assigned(quote!(#app_name)),
+ Sp::call_site(DEFAULT_CASING),
+ Sp::call_site(DEFAULT_ENV_CASING),
+ );
+ let name = attrs.cased_name();
+ let app_var = Ident::new("__clap_app", Span::call_site());
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ let tokens = quote! {
+ #[allow(dead_code, unreachable_code, unused_variables, unused_braces)]
+ #[allow(
+ clippy::style,
+ clippy::complexity,
+ clippy::pedantic,
+ clippy::restriction,
+ clippy::perf,
+ clippy::deprecated,
+ clippy::nursery,
+ clippy::cargo,
+ clippy::suspicious_else_formatting,
+ )]
+ #[deny(clippy::correctness)]
+ #[allow(deprecated)]
+ impl #impl_generics clap::CommandFactory for #struct_name #ty_generics #where_clause {
+ fn into_app<'b>() -> clap::Command<'b> {
+ let #app_var = clap::Command::new(#name);
+ <Self as clap::Args>::augment_args(#app_var)
+ }
+
+ fn into_app_for_update<'b>() -> clap::Command<'b> {
+ let #app_var = clap::Command::new(#name);
+ <Self as clap::Args>::augment_args_for_update(#app_var)
+ }
+ }
+ };
+
+ tokens
+}
+
+pub fn gen_for_enum(enum_name: &Ident, generics: &Generics, attrs: &[Attribute]) -> TokenStream {
+ let app_name = env::var("CARGO_PKG_NAME").ok().unwrap_or_default();
+
+ let attrs = Attrs::from_struct(
+ Span::call_site(),
+ attrs,
+ Name::Assigned(quote!(#app_name)),
+ Sp::call_site(DEFAULT_CASING),
+ Sp::call_site(DEFAULT_ENV_CASING),
+ );
+ let name = attrs.cased_name();
+ let app_var = Ident::new("__clap_app", Span::call_site());
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ quote! {
+ #[allow(dead_code, unreachable_code, unused_variables, unused_braces)]
+ #[allow(
+ clippy::style,
+ clippy::complexity,
+ clippy::pedantic,
+ clippy::restriction,
+ clippy::perf,
+ clippy::deprecated,
+ clippy::nursery,
+ clippy::cargo,
+ clippy::suspicious_else_formatting,
+ )]
+ #[deny(clippy::correctness)]
+ impl #impl_generics clap::CommandFactory for #enum_name #ty_generics #where_clause {
+ fn into_app<'b>() -> clap::Command<'b> {
+ #[allow(deprecated)]
+ let #app_var = clap::Command::new(#name)
+ .setting(clap::AppSettings::SubcommandRequiredElseHelp);
+ <Self as clap::Subcommand>::augment_subcommands(#app_var)
+ }
+
+ fn into_app_for_update<'b>() -> clap::Command<'b> {
+ let #app_var = clap::Command::new(#name);
+ <Self as clap::Subcommand>::augment_subcommands_for_update(#app_var)
+ }
+ }
+ }
+}
diff --git a/vendor/clap_derive-3.2.18/src/derives/mod.rs b/vendor/clap_derive-3.2.18/src/derives/mod.rs
new file mode 100644
index 000000000..3deeb91f9
--- /dev/null
+++ b/vendor/clap_derive-3.2.18/src/derives/mod.rs
@@ -0,0 +1,23 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
+// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
+// Ana Hobden (@hoverbear) <operator@hoverbear.org>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+//
+// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
+// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
+// MIT/Apache 2.0 license.
+mod args;
+mod into_app;
+mod parser;
+mod subcommand;
+mod value_enum;
+
+pub use self::parser::derive_parser;
+pub use args::derive_args;
+pub use subcommand::derive_subcommand;
+pub use value_enum::derive_value_enum;
diff --git a/vendor/clap_derive-3.2.18/src/derives/parser.rs b/vendor/clap_derive-3.2.18/src/derives/parser.rs
new file mode 100644
index 000000000..621430f31
--- /dev/null
+++ b/vendor/clap_derive-3.2.18/src/derives/parser.rs
@@ -0,0 +1,95 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
+// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
+// Ana Hobden (@hoverbear) <operator@hoverbear.org>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+//
+// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
+// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
+// MIT/Apache 2.0 license.
+
+use crate::{
+ derives::{args, into_app, subcommand},
+ dummies,
+};
+
+use proc_macro2::TokenStream;
+use proc_macro_error::abort_call_site;
+use quote::quote;
+use syn::{
+ self, punctuated::Punctuated, token::Comma, Attribute, Data, DataEnum, DataStruct, DeriveInput,
+ Field, Fields, Generics, Ident,
+};
+
+pub fn derive_parser(input: &DeriveInput) -> TokenStream {
+ let ident = &input.ident;
+
+ match input.data {
+ Data::Struct(DataStruct {
+ fields: Fields::Named(ref fields),
+ ..
+ }) => {
+ dummies::parser_struct(ident);
+ gen_for_struct(ident, &input.generics, &fields.named, &input.attrs)
+ }
+ Data::Struct(DataStruct {
+ fields: Fields::Unit,
+ ..
+ }) => {
+ dummies::parser_struct(ident);
+ gen_for_struct(
+ ident,
+ &input.generics,
+ &Punctuated::<Field, Comma>::new(),
+ &input.attrs,
+ )
+ }
+ Data::Enum(ref e) => {
+ dummies::parser_enum(ident);
+ gen_for_enum(ident, &input.generics, &input.attrs, e)
+ }
+ _ => abort_call_site!("`#[derive(Parser)]` only supports non-tuple structs and enums"),
+ }
+}
+
+fn gen_for_struct(
+ name: &Ident,
+ generics: &Generics,
+ fields: &Punctuated<Field, Comma>,
+ attrs: &[Attribute],
+) -> TokenStream {
+ let into_app = into_app::gen_for_struct(name, generics, attrs);
+ let args = args::gen_for_struct(name, generics, fields, attrs);
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ quote! {
+ impl #impl_generics clap::Parser for #name #ty_generics #where_clause {}
+
+ #into_app
+ #args
+ }
+}
+
+fn gen_for_enum(
+ name: &Ident,
+ generics: &Generics,
+ attrs: &[Attribute],
+ e: &DataEnum,
+) -> TokenStream {
+ let into_app = into_app::gen_for_enum(name, generics, attrs);
+ let subcommand = subcommand::gen_for_enum(name, generics, attrs, e);
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ quote! {
+ impl #impl_generics clap::Parser for #name #ty_generics #where_clause {}
+
+ #into_app
+ #subcommand
+ }
+}
diff --git a/vendor/clap_derive-3.2.18/src/derives/subcommand.rs b/vendor/clap_derive-3.2.18/src/derives/subcommand.rs
new file mode 100644
index 000000000..07bdce5ec
--- /dev/null
+++ b/vendor/clap_derive-3.2.18/src/derives/subcommand.rs
@@ -0,0 +1,678 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
+// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
+// Ana Hobden (@hoverbear) <operator@hoverbear.org>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+//
+// This work was derived from Structopt (https://github.com/TeXitoi/structopt)
+// commit#ea76fa1b1b273e65e3b0b1046643715b49bec51f which is licensed under the
+// MIT/Apache 2.0 license.
+use crate::{
+ attrs::{Attrs, Kind, Name, DEFAULT_CASING, DEFAULT_ENV_CASING},
+ derives::args,
+ dummies,
+ utils::{is_simple_ty, subty_if_name, Sp},
+};
+
+use proc_macro2::{Ident, Span, TokenStream};
+use proc_macro_error::{abort, abort_call_site};
+use quote::{format_ident, quote, quote_spanned};
+use syn::{
+ punctuated::Punctuated, spanned::Spanned, Attribute, Data, DataEnum, DeriveInput,
+ FieldsUnnamed, Generics, Token, Variant,
+};
+
+pub fn derive_subcommand(input: &DeriveInput) -> TokenStream {
+ let ident = &input.ident;
+
+ dummies::subcommand(ident);
+
+ match input.data {
+ Data::Enum(ref e) => gen_for_enum(ident, &input.generics, &input.attrs, e),
+ _ => abort_call_site!("`#[derive(Subcommand)]` only supports enums"),
+ }
+}
+
+pub fn gen_for_enum(
+ enum_name: &Ident,
+ generics: &Generics,
+ attrs: &[Attribute],
+ e: &DataEnum,
+) -> TokenStream {
+ let from_arg_matches = gen_from_arg_matches_for_enum(enum_name, generics, attrs, e);
+
+ let attrs = Attrs::from_struct(
+ Span::call_site(),
+ attrs,
+ Name::Derived(enum_name.clone()),
+ Sp::call_site(DEFAULT_CASING),
+ Sp::call_site(DEFAULT_ENV_CASING),
+ );
+ let augmentation = gen_augment(&e.variants, &attrs, false);
+ let augmentation_update = gen_augment(&e.variants, &attrs, true);
+ let has_subcommand = gen_has_subcommand(&e.variants, &attrs);
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ quote! {
+ #from_arg_matches
+
+ #[allow(dead_code, unreachable_code, unused_variables, unused_braces)]
+ #[allow(
+ clippy::style,
+ clippy::complexity,
+ clippy::pedantic,
+ clippy::restriction,
+ clippy::perf,
+ clippy::deprecated,
+ clippy::nursery,
+ clippy::cargo,
+ clippy::suspicious_else_formatting,
+ )]
+ #[deny(clippy::correctness)]
+ impl #impl_generics clap::Subcommand for #enum_name #ty_generics #where_clause {
+ fn augment_subcommands <'b>(__clap_app: clap::Command<'b>) -> clap::Command<'b> {
+ #augmentation
+ }
+ fn augment_subcommands_for_update <'b>(__clap_app: clap::Command<'b>) -> clap::Command<'b> {
+ #augmentation_update
+ }
+ fn has_subcommand(__clap_name: &str) -> bool {
+ #has_subcommand
+ }
+ }
+ }
+}
+
+fn gen_from_arg_matches_for_enum(
+ name: &Ident,
+ generics: &Generics,
+ attrs: &[Attribute],
+ e: &DataEnum,
+) -> TokenStream {
+ let attrs = Attrs::from_struct(
+ Span::call_site(),
+ attrs,
+ Name::Derived(name.clone()),
+ Sp::call_site(DEFAULT_CASING),
+ Sp::call_site(DEFAULT_ENV_CASING),
+ );
+
+ let from_arg_matches = gen_from_arg_matches(name, &e.variants, &attrs);
+ let update_from_arg_matches = gen_update_from_arg_matches(name, &e.variants, &attrs);
+
+ let (impl_generics, ty_generics, where_clause) = generics.split_for_impl();
+
+ quote! {
+ #[allow(dead_code, unreachable_code, unused_variables, unused_braces)]
+ #[allow(
+ clippy::style,
+ clippy::complexity,
+ clippy::pedantic,
+ clippy::restriction,
+ clippy::perf,
+ clippy::deprecated,
+ clippy::nursery,
+ clippy::cargo,
+ clippy::suspicious_else_formatting,
+ )]
+ #[deny(clippy::correctness)]
+ impl #impl_generics clap::FromArgMatches for #name #ty_generics #where_clause {
+ fn from_arg_matches(__clap_arg_matches: &clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> {
+ Self::from_arg_matches_mut(&mut __clap_arg_matches.clone())
+ }
+
+ #from_arg_matches
+
+ fn update_from_arg_matches(&mut self, __clap_arg_matches: &clap::ArgMatches) -> ::std::result::Result<(), clap::Error> {
+ self.update_from_arg_matches_mut(&mut __clap_arg_matches.clone())
+ }
+ #update_from_arg_matches
+ }
+ }
+}
+
+fn gen_augment(
+ variants: &Punctuated<Variant, Token![,]>,
+ parent_attribute: &Attrs,
+ override_required: bool,
+) -> TokenStream {
+ use syn::Fields::*;
+
+ let app_var = Ident::new("__clap_app", Span::call_site());
+
+ let subcommands: Vec<_> = variants
+ .iter()
+ .filter_map(|variant| {
+ let attrs = Attrs::from_variant(
+ variant,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+ let kind = attrs.kind();
+
+ match &*kind {
+ Kind::Skip(_) => None,
+
+ Kind::ExternalSubcommand => {
+ let ty = match variant.fields {
+ Unnamed(ref fields) if fields.unnamed.len() == 1 => &fields.unnamed[0].ty,
+
+ _ => abort!(
+ variant,
+ "The enum variant marked with `external_subcommand` must be \
+ a single-typed tuple, and the type must be either `Vec<String>` \
+ or `Vec<OsString>`."
+ ),
+ };
+ let subcommand = match subty_if_name(ty, "Vec") {
+ Some(subty) => {
+ if is_simple_ty(subty, "OsString") {
+ quote_spanned! { kind.span()=>
+ let #app_var = #app_var.allow_external_subcommands(true).allow_invalid_utf8_for_external_subcommands(true);
+ }
+ } else {
+ quote_spanned! { kind.span()=>
+ let #app_var = #app_var.allow_external_subcommands(true);
+ }
+ }
+ }
+
+ None => abort!(
+ ty.span(),
+ "The type must be `Vec<_>` \
+ to be used with `external_subcommand`."
+ ),
+ };
+ Some(subcommand)
+ }
+
+ Kind::Flatten => match variant.fields {
+ Unnamed(FieldsUnnamed { ref unnamed, .. }) if unnamed.len() == 1 => {
+ let ty = &unnamed[0];
+ let old_heading_var = format_ident!("__clap_old_heading");
+ let next_help_heading = attrs.next_help_heading();
+ let next_display_order = attrs.next_display_order();
+ let subcommand = if override_required {
+ quote! {
+ let #old_heading_var = #app_var.get_next_help_heading();
+ let #app_var = #app_var #next_help_heading #next_display_order;
+ let #app_var = <#ty as clap::Subcommand>::augment_subcommands_for_update(#app_var);
+ let #app_var = #app_var.next_help_heading(#old_heading_var);
+ }
+ } else {
+ quote! {
+ let #old_heading_var = #app_var.get_next_help_heading();
+ let #app_var = #app_var #next_help_heading #next_display_order;
+ let #app_var = <#ty as clap::Subcommand>::augment_subcommands(#app_var);
+ let #app_var = #app_var.next_help_heading(#old_heading_var);
+ }
+ };
+ Some(subcommand)
+ }
+ _ => abort!(
+ variant,
+ "`flatten` is usable only with single-typed tuple variants"
+ ),
+ },
+
+ Kind::Subcommand(_) => {
+ let subcommand_var = Ident::new("__clap_subcommand", Span::call_site());
+ let arg_block = match variant.fields {
+ Named(_) => {
+ abort!(variant, "non single-typed tuple enums are not supported")
+ }
+ Unit => quote!( #subcommand_var ),
+ Unnamed(FieldsUnnamed { ref unnamed, .. }) if unnamed.len() == 1 => {
+ let ty = &unnamed[0];
+ if override_required {
+ quote_spanned! { ty.span()=>
+ {
+ <#ty as clap::Subcommand>::augment_subcommands_for_update(#subcommand_var)
+ }
+ }
+ } else {
+ quote_spanned! { ty.span()=>
+ {
+ <#ty as clap::Subcommand>::augment_subcommands(#subcommand_var)
+ }
+ }
+ }
+ }
+ Unnamed(..) => {
+ abort!(variant, "non single-typed tuple enums are not supported")
+ }
+ };
+
+ let name = attrs.cased_name();
+ let initial_app_methods = attrs.initial_top_level_methods();
+ let final_from_attrs = attrs.final_top_level_methods();
+ let subcommand = quote! {
+ let #app_var = #app_var.subcommand({
+ let #subcommand_var = clap::Command::new(#name);
+ let #subcommand_var = #subcommand_var #initial_app_methods;
+ let #subcommand_var = #arg_block;
+ #[allow(deprecated)]
+ let #subcommand_var = #subcommand_var.setting(clap::AppSettings::SubcommandRequiredElseHelp);
+ #subcommand_var #final_from_attrs
+ });
+ };
+ Some(subcommand)
+ }
+
+ _ => {
+ let subcommand_var = Ident::new("__clap_subcommand", Span::call_site());
+ let sub_augment = match variant.fields {
+ Named(ref fields) => {
+ // Defer to `gen_augment` for adding cmd methods
+ args::gen_augment(&fields.named, &subcommand_var, &attrs, override_required)
+ }
+ Unit => {
+ let arg_block = quote!( #subcommand_var );
+ let initial_app_methods = attrs.initial_top_level_methods();
+ let final_from_attrs = attrs.final_top_level_methods();
+ quote! {
+ let #subcommand_var = #subcommand_var #initial_app_methods;
+ let #subcommand_var = #arg_block;
+ #subcommand_var #final_from_attrs
+ }
+ },
+ Unnamed(FieldsUnnamed { ref unnamed, .. }) if unnamed.len() == 1 => {
+ let ty = &unnamed[0];
+ let arg_block = if override_required {
+ quote_spanned! { ty.span()=>
+ {
+ <#ty as clap::Args>::augment_args_for_update(#subcommand_var)
+ }
+ }
+ } else {
+ quote_spanned! { ty.span()=>
+ {
+ <#ty as clap::Args>::augment_args(#subcommand_var)
+ }
+ }
+ };
+ let initial_app_methods = attrs.initial_top_level_methods();
+ let final_from_attrs = attrs.final_top_level_methods();
+ quote! {
+ let #subcommand_var = #subcommand_var #initial_app_methods;
+ let #subcommand_var = #arg_block;
+ #subcommand_var #final_from_attrs
+ }
+ }
+ Unnamed(..) => {
+ abort!(variant, "non single-typed tuple enums are not supported")
+ }
+ };
+
+ let name = attrs.cased_name();
+ let subcommand = quote! {
+ let #app_var = #app_var.subcommand({
+ let #subcommand_var = clap::Command::new(#name);
+ #sub_augment
+ });
+ };
+ Some(subcommand)
+ }
+ }
+ })
+ .collect();
+
+ let initial_app_methods = parent_attribute.initial_top_level_methods();
+ let final_app_methods = parent_attribute.final_top_level_methods();
+ quote! {
+ let #app_var = #app_var #initial_app_methods;
+ #( #subcommands )*;
+ #app_var #final_app_methods
+ }
+}
+
+fn gen_has_subcommand(
+ variants: &Punctuated<Variant, Token![,]>,
+ parent_attribute: &Attrs,
+) -> TokenStream {
+ use syn::Fields::*;
+
+ let mut ext_subcmd = false;
+
+ let (flatten_variants, variants): (Vec<_>, Vec<_>) = variants
+ .iter()
+ .filter_map(|variant| {
+ let attrs = Attrs::from_variant(
+ variant,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+
+ if let Kind::ExternalSubcommand = &*attrs.kind() {
+ ext_subcmd = true;
+ None
+ } else {
+ Some((variant, attrs))
+ }
+ })
+ .partition(|(_, attrs)| {
+ let kind = attrs.kind();
+ matches!(&*kind, Kind::Flatten)
+ });
+
+ let subcommands = variants.iter().map(|(_variant, attrs)| {
+ let sub_name = attrs.cased_name();
+ quote! {
+ if #sub_name == __clap_name {
+ return true
+ }
+ }
+ });
+ let child_subcommands = flatten_variants
+ .iter()
+ .map(|(variant, _attrs)| match variant.fields {
+ Unnamed(ref fields) if fields.unnamed.len() == 1 => {
+ let ty = &fields.unnamed[0];
+ quote! {
+ if <#ty as clap::Subcommand>::has_subcommand(__clap_name) {
+ return true;
+ }
+ }
+ }
+ _ => abort!(
+ variant,
+ "`flatten` is usable only with single-typed tuple variants"
+ ),
+ });
+
+ if ext_subcmd {
+ quote! { true }
+ } else {
+ quote! {
+ #( #subcommands )*
+
+ #( #child_subcommands )else*
+
+ false
+ }
+ }
+}
+
+fn gen_from_arg_matches(
+ name: &Ident,
+ variants: &Punctuated<Variant, Token![,]>,
+ parent_attribute: &Attrs,
+) -> TokenStream {
+ use syn::Fields::*;
+
+ let mut ext_subcmd = None;
+
+ let subcommand_name_var = format_ident!("__clap_name");
+ let sub_arg_matches_var = format_ident!("__clap_arg_matches");
+ let (flatten_variants, variants): (Vec<_>, Vec<_>) = variants
+ .iter()
+ .filter_map(|variant| {
+ let attrs = Attrs::from_variant(
+ variant,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+
+ if let Kind::ExternalSubcommand = &*attrs.kind() {
+ if ext_subcmd.is_some() {
+ abort!(
+ attrs.kind().span(),
+ "Only one variant can be marked with `external_subcommand`, \
+ this is the second"
+ );
+ }
+
+ let ty = match variant.fields {
+ Unnamed(ref fields) if fields.unnamed.len() == 1 => &fields.unnamed[0].ty,
+
+ _ => abort!(
+ variant,
+ "The enum variant marked with `external_subcommand` must be \
+ a single-typed tuple, and the type must be either `Vec<String>` \
+ or `Vec<OsString>`."
+ ),
+ };
+
+ let (span, str_ty) = match subty_if_name(ty, "Vec") {
+ Some(subty) => {
+ if is_simple_ty(subty, "String") {
+ (subty.span(), quote!(::std::string::String))
+ } else if is_simple_ty(subty, "OsString") {
+ (subty.span(), quote!(::std::ffi::OsString))
+ } else {
+ abort!(
+ ty.span(),
+ "The type must be either `Vec<String>` or `Vec<OsString>` \
+ to be used with `external_subcommand`."
+ );
+ }
+ }
+
+ None => abort!(
+ ty.span(),
+ "The type must be either `Vec<String>` or `Vec<OsString>` \
+ to be used with `external_subcommand`."
+ ),
+ };
+
+ ext_subcmd = Some((span, &variant.ident, str_ty));
+ None
+ } else {
+ Some((variant, attrs))
+ }
+ })
+ .partition(|(_, attrs)| {
+ let kind = attrs.kind();
+ matches!(&*kind, Kind::Flatten)
+ });
+
+ let subcommands = variants.iter().map(|(variant, attrs)| {
+ let sub_name = attrs.cased_name();
+ let variant_name = &variant.ident;
+ let constructor_block = match variant.fields {
+ Named(ref fields) => args::gen_constructor(&fields.named, attrs),
+ Unit => quote!(),
+ Unnamed(ref fields) if fields.unnamed.len() == 1 => {
+ let ty = &fields.unnamed[0];
+ quote!( ( <#ty as clap::FromArgMatches>::from_arg_matches_mut(__clap_arg_matches)? ) )
+ }
+ Unnamed(..) => abort_call_site!("{}: tuple enums are not supported", variant.ident),
+ };
+
+ if cfg!(feature = "unstable-v4") {
+ quote! {
+ if #sub_name == #subcommand_name_var && !#sub_arg_matches_var.contains_id("") {
+ return ::std::result::Result::Ok(#name :: #variant_name #constructor_block)
+ }
+ }
+ } else {
+ quote! {
+ if #sub_name == #subcommand_name_var {
+ return ::std::result::Result::Ok(#name :: #variant_name #constructor_block)
+ }
+ }
+ }
+ });
+ let child_subcommands = flatten_variants.iter().map(|(variant, _attrs)| {
+ let variant_name = &variant.ident;
+ match variant.fields {
+ Unnamed(ref fields) if fields.unnamed.len() == 1 => {
+ let ty = &fields.unnamed[0];
+ quote! {
+ if __clap_arg_matches
+ .subcommand_name()
+ .map(|__clap_name| <#ty as clap::Subcommand>::has_subcommand(__clap_name))
+ .unwrap_or_default()
+ {
+ let __clap_res = <#ty as clap::FromArgMatches>::from_arg_matches_mut(__clap_arg_matches)?;
+ return ::std::result::Result::Ok(#name :: #variant_name (__clap_res));
+ }
+ }
+ }
+ _ => abort!(
+ variant,
+ "`flatten` is usable only with single-typed tuple variants"
+ ),
+ }
+ });
+
+ let wildcard = match ext_subcmd {
+ Some((span, var_name, str_ty)) => quote_spanned! { span=>
+ ::std::result::Result::Ok(#name::#var_name(
+ ::std::iter::once(#str_ty::from(#subcommand_name_var))
+ .chain(
+ #sub_arg_matches_var
+ .remove_many::<#str_ty>("")
+ .into_iter().flatten() // `""` isn't present, bug in `unstable-v4`
+ .map(#str_ty::from)
+ )
+ .collect::<::std::vec::Vec<_>>()
+ ))
+ },
+
+ None => quote! {
+ ::std::result::Result::Err(clap::Error::raw(clap::ErrorKind::UnrecognizedSubcommand, format!("The subcommand '{}' wasn't recognized", #subcommand_name_var)))
+ },
+ };
+
+ let raw_deprecated = args::raw_deprecated();
+ quote! {
+ fn from_arg_matches_mut(__clap_arg_matches: &mut clap::ArgMatches) -> ::std::result::Result<Self, clap::Error> {
+ #raw_deprecated
+
+ #( #child_subcommands )else*
+
+ if let Some((#subcommand_name_var, mut __clap_arg_sub_matches)) = __clap_arg_matches.remove_subcommand() {
+ let #sub_arg_matches_var = &mut __clap_arg_sub_matches;
+ #( #subcommands )*
+
+ #wildcard
+ } else {
+ ::std::result::Result::Err(clap::Error::raw(clap::ErrorKind::MissingSubcommand, "A subcommand is required but one was not provided."))
+ }
+ }
+ }
+}
+
+fn gen_update_from_arg_matches(
+ name: &Ident,
+ variants: &Punctuated<Variant, Token![,]>,
+ parent_attribute: &Attrs,
+) -> TokenStream {
+ use syn::Fields::*;
+
+ let (flatten, variants): (Vec<_>, Vec<_>) = variants
+ .iter()
+ .filter_map(|variant| {
+ let attrs = Attrs::from_variant(
+ variant,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+
+ match &*attrs.kind() {
+ // Fallback to `from_arg_matches_mut`
+ Kind::ExternalSubcommand => None,
+ _ => Some((variant, attrs)),
+ }
+ })
+ .partition(|(_, attrs)| {
+ let kind = attrs.kind();
+ matches!(&*kind, Kind::Flatten)
+ });
+
+ let subcommands = variants.iter().map(|(variant, attrs)| {
+ let sub_name = attrs.cased_name();
+ let variant_name = &variant.ident;
+ let (pattern, updater) = match variant.fields {
+ Named(ref fields) => {
+ let (fields, update): (Vec<_>, Vec<_>) = fields
+ .named
+ .iter()
+ .map(|field| {
+ let attrs = Attrs::from_field(
+ field,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+ let field_name = field.ident.as_ref().unwrap();
+ (
+ quote!( ref mut #field_name ),
+ args::gen_updater(&fields.named, &attrs, false),
+ )
+ })
+ .unzip();
+ (quote!( { #( #fields, )* }), quote!( { #( #update )* } ))
+ }
+ Unit => (quote!(), quote!({})),
+ Unnamed(ref fields) => {
+ if fields.unnamed.len() == 1 {
+ (
+ quote!((ref mut __clap_arg)),
+ quote!(clap::FromArgMatches::update_from_arg_matches_mut(
+ __clap_arg,
+ __clap_arg_matches
+ )?),
+ )
+ } else {
+ abort_call_site!("{}: tuple enums are not supported", variant.ident)
+ }
+ }
+ };
+
+ quote! {
+ #name :: #variant_name #pattern if #sub_name == __clap_name => {
+ let (_, mut __clap_arg_sub_matches) = __clap_arg_matches.remove_subcommand().unwrap();
+ let __clap_arg_matches = &mut __clap_arg_sub_matches;
+ #updater
+ }
+ }
+ });
+
+ let child_subcommands = flatten.iter().map(|(variant, _attrs)| {
+ let variant_name = &variant.ident;
+ match variant.fields {
+ Unnamed(ref fields) if fields.unnamed.len() == 1 => {
+ let ty = &fields.unnamed[0];
+ quote! {
+ if <#ty as clap::Subcommand>::has_subcommand(__clap_name) {
+ if let #name :: #variant_name (child) = s {
+ <#ty as clap::FromArgMatches>::update_from_arg_matches_mut(child, __clap_arg_matches)?;
+ return ::std::result::Result::Ok(());
+ }
+ }
+ }
+ }
+ _ => abort!(
+ variant,
+ "`flatten` is usable only with single-typed tuple variants"
+ ),
+ }
+ });
+
+ let raw_deprecated = args::raw_deprecated();
+ quote! {
+ fn update_from_arg_matches_mut<'b>(
+ &mut self,
+ __clap_arg_matches: &mut clap::ArgMatches,
+ ) -> ::std::result::Result<(), clap::Error> {
+ #raw_deprecated
+
+ if let Some(__clap_name) = __clap_arg_matches.subcommand_name() {
+ match self {
+ #( #subcommands ),*
+ s => {
+ #( #child_subcommands )*
+ *s = <Self as clap::FromArgMatches>::from_arg_matches_mut(__clap_arg_matches)?;
+ }
+ }
+ }
+ ::std::result::Result::Ok(())
+ }
+ }
+}
diff --git a/vendor/clap_derive-3.2.18/src/derives/value_enum.rs b/vendor/clap_derive-3.2.18/src/derives/value_enum.rs
new file mode 100644
index 000000000..06d514f0e
--- /dev/null
+++ b/vendor/clap_derive-3.2.18/src/derives/value_enum.rs
@@ -0,0 +1,124 @@
+// Copyright 2018 Guillaume Pinot (@TeXitoi) <texitoi@texitoi.eu>,
+// Kevin Knapp (@kbknapp) <kbknapp@gmail.com>, and
+// Ana Hobden (@hoverbear) <operator@hoverbear.org>
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+use crate::{
+ attrs::{Attrs, Kind, Name, DEFAULT_CASING, DEFAULT_ENV_CASING},
+ dummies,
+ utils::Sp,
+};
+
+use proc_macro2::{Span, TokenStream};
+use proc_macro_error::{abort, abort_call_site};
+use quote::quote;
+use quote::quote_spanned;
+use syn::{
+ punctuated::Punctuated, spanned::Spanned, token::Comma, Attribute, Data, DataEnum, DeriveInput,
+ Fields, Ident, Variant,
+};
+
+pub fn derive_value_enum(input: &DeriveInput) -> TokenStream {
+ let ident = &input.ident;
+
+ dummies::value_enum(ident);
+
+ match input.data {
+ Data::Enum(ref e) => gen_for_enum(ident, &input.attrs, e),
+ _ => abort_call_site!("`#[derive(ValueEnum)]` only supports enums"),
+ }
+}
+
+pub fn gen_for_enum(name: &Ident, attrs: &[Attribute], e: &DataEnum) -> TokenStream {
+ let attrs = Attrs::from_struct(
+ Span::call_site(),
+ attrs,
+ Name::Derived(name.clone()),
+ Sp::call_site(DEFAULT_CASING),
+ Sp::call_site(DEFAULT_ENV_CASING),
+ );
+
+ let lits = lits(&e.variants, &attrs);
+ let value_variants = gen_value_variants(&lits);
+ let to_possible_value = gen_to_possible_value(&lits);
+
+ quote! {
+ #[allow(dead_code, unreachable_code, unused_variables, unused_braces)]
+ #[allow(
+ clippy::style,
+ clippy::complexity,
+ clippy::pedantic,
+ clippy::restriction,
+ clippy::perf,
+ clippy::deprecated,
+ clippy::nursery,
+ clippy::cargo,
+ clippy::suspicious_else_formatting,
+ )]
+ #[deny(clippy::correctness)]
+ impl clap::ValueEnum for #name {
+ #value_variants
+ #to_possible_value
+ }
+ }
+}
+
+fn lits(
+ variants: &Punctuated<Variant, Comma>,
+ parent_attribute: &Attrs,
+) -> Vec<(TokenStream, Ident)> {
+ variants
+ .iter()
+ .filter_map(|variant| {
+ let attrs = Attrs::from_value_enum_variant(
+ variant,
+ parent_attribute.casing(),
+ parent_attribute.env_casing(),
+ );
+ if let Kind::Skip(_) = &*attrs.kind() {
+ None
+ } else {
+ if !matches!(variant.fields, Fields::Unit) {
+ abort!(variant.span(), "`#[derive(ValueEnum)]` only supports unit variants. Non-unit variants must be skipped");
+ }
+ let fields = attrs.field_methods(false);
+ let name = attrs.cased_name();
+ Some((
+ quote_spanned! { variant.span()=>
+ clap::PossibleValue::new(#name)
+ #fields
+ },
+ variant.ident.clone(),
+ ))
+ }
+ })
+ .collect::<Vec<_>>()
+}
+
+fn gen_value_variants(lits: &[(TokenStream, Ident)]) -> TokenStream {
+ let lit = lits.iter().map(|l| &l.1).collect::<Vec<_>>();
+
+ quote! {
+ fn value_variants<'a>() -> &'a [Self]{
+ &[#(Self::#lit),*]
+ }
+ }
+}
+
+fn gen_to_possible_value(lits: &[(TokenStream, Ident)]) -> TokenStream {
+ let (lit, variant): (Vec<TokenStream>, Vec<Ident>) = lits.iter().cloned().unzip();
+
+ quote! {
+ fn to_possible_value<'a>(&self) -> ::std::option::Option<clap::PossibleValue<'a>> {
+ match self {
+ #(Self::#variant => Some(#lit),)*
+ _ => None
+ }
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-14 00:42:30 +0000