Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 99 insertions, 0 deletions

diff --git a/vendor/clap_derive/src/dummies.rs b/vendor/clap_derive/src/dummies.rs
new file mode 100644
index 0000000..3a1581b
--- /dev/null
+++ b/vendor/clap_derive/src/dummies.rs
@@ -0,0 +1,99 @@
+//! Dummy implementations that we emit along with an error.
+
+use proc_macro2::Ident;
+use quote::quote;
+
+#[must_use]
+pub 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 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 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 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 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 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!()
+            }
+        }
+    }
+}