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//! Proc macros to easily define custom slice types.

extern crate proc_macro;

use proc_macro::TokenStream;

use crate::defs::Definitions;

pub(crate) mod attrs;
pub(crate) mod codegen;
pub(crate) mod defs;

#[proc_macro]
pub fn define_slice_types_pair(input: TokenStream) -> TokenStream {
    let file: syn::File =
        syn::parse(input).unwrap_or_else(|e| panic!("Failed to parse input token stream: {}", e));
    let defs = Definitions::from_file(file)
        .unwrap_or_else(|e| panic!("Failed to load definitions: {}", e));
    let output = defs.generate();
    output.into()
}