1 files changed, 74 insertions, 0 deletions
diff --git a/vendor/clap_derive/src/lib.rs b/vendor/clap_derive/src/lib.rs
new file mode 100644
index 000000000..86b7628f6
--- /dev/null
+++ b/vendor/clap_derive/src/lib.rs
@@ -0,0 +1,74 @@
+// 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.
+
+#![doc(html_logo_url = "https://raw.githubusercontent.com/clap-rs/clap/master/assets/clap.png")]
+#![doc = include_str!("../README.md")]
+#![forbid(unsafe_code)]
+
+extern crate proc_macro;
+
+use proc_macro::TokenStream;
+use proc_macro_error::proc_macro_error;
+use syn::{parse_macro_input, DeriveInput};
+
+mod attrs;
+mod derives;
+mod dummies;
+mod parse;
+mod utils;
+
+/// Generates the `ValueEnum` impl.
+#[proc_macro_derive(ValueEnum, attributes(clap))]
+#[proc_macro_error]
+pub fn value_enum(input: TokenStream) -> TokenStream {
+    let input: DeriveInput = parse_macro_input!(input);
+    derives::derive_value_enum(&input).into()
+}
+
+/// Generates the `ValueEnum` impl.
+#[proc_macro_derive(ArgEnum, attributes(clap))]
+#[proc_macro_error]
+pub fn arg_enum(input: TokenStream) -> TokenStream {
+    let input: DeriveInput = parse_macro_input!(input);
+    derives::derive_value_enum(&input).into()
+}
+
+/// Generates the `Parser` implementation.
+///
+/// This is far less verbose than defining the `clap::Command` struct manually,
+/// receiving an instance of `clap::ArgMatches` from conducting parsing, and then
+/// implementing a conversion code to instantiate an instance of the user
+/// context struct.
+#[proc_macro_derive(Parser, attributes(clap, structopt))]
+#[proc_macro_error]
+pub fn parser(input: TokenStream) -> TokenStream {
+    let input: DeriveInput = parse_macro_input!(input);
+    derives::derive_parser(&input).into()
+}
+
+/// Generates the `Subcommand` impl.
+#[proc_macro_derive(Subcommand, attributes(clap))]
+#[proc_macro_error]
+pub fn subcommand(input: TokenStream) -> TokenStream {
+    let input: DeriveInput = parse_macro_input!(input);
+    derives::derive_subcommand(&input).into()
+}
+
+/// Generates the `Args` impl.
+#[proc_macro_derive(Args, attributes(clap))]
+#[proc_macro_error]
+pub fn args(input: TokenStream) -> TokenStream {
+    let input: DeriveInput = parse_macro_input!(input);
+    derives::derive_args(&input).into()
+}