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//! The documentation for this crate is found in the structmeta crate.

extern crate proc_macro;

#[macro_use]
mod syn_utils;
mod parse;
mod struct_meta;
mod to_tokens;
mod to_tokens_attribute;

use syn::{parse_macro_input, DeriveInput};
use syn_utils::*;

#[proc_macro_derive(ToTokens, attributes(to_tokens))]
pub fn derive_to_tokens(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
    let input = parse_macro_input!(input as DeriveInput);
    into_macro_output(to_tokens::derive_to_tokens(input))
}

#[proc_macro_derive(Parse, attributes(to_tokens, parse))]
pub fn derive_parse(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
    let input = parse_macro_input!(input as DeriveInput);
    into_macro_output(parse::derive_parse(input))
}

#[proc_macro_derive(StructMeta, attributes(struct_meta))]
pub fn derive_struct_meta(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
    let input = parse_macro_input!(input as DeriveInput);
    into_macro_output(struct_meta::derive_struct_meta(input))
}