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#![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;
#[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()
}
#[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()
}
#[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()
}
#[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()
}
#[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()
}