use execute_command_tokens::command_tokens;
use proc_macro::TokenStream;
use quote::quote;
use syn::{parse_macro_input, LitStr};
#[proc_macro]
pub fn command(input: TokenStream) -> TokenStream {
let s = parse_macro_input!(input as LitStr).value();
let tokens = command_tokens(s);
let tokens_length = tokens.len();
let command = match tokens_length {
0 => {
quote! {
::std::process::Command::new("")
}
},
1 => {
let program = &tokens[0];
quote! {
::std::process::Command::new(#program)
}
},
_ => {
let program = &tokens[0];
let args = &tokens[1..];
quote! {
{
let mut command = ::std::process::Command::new(#program);
command.args(&[#(#args,)*]);
command
}
}
},
};
command.into()
}