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extern crate bytecount;
extern crate glob;
#[macro_use]
extern crate proc_macro_hack;
extern crate proc_macro;
extern crate proc_macro2;
extern crate pulldown_cmark;
#[macro_use]
extern crate quote;
#[macro_use]
extern crate syn;

mod config;
mod extract;
mod render;
mod tree;

use config::Config;
use render::RenderContext;

proc_macro_item_impl! {
    pub fn doubter_impl(input: &str) -> String {
        doubter_impl_inner(input).to_string()
    }
}

fn doubter_impl_inner(input: &str) -> proc_macro2::TokenStream {
    let config: Config = input.parse().unwrap_or_else(|e| {
        panic!("failed to parse the input: {}", e);
    });

    let ctx = RenderContext::init(config).unwrap_or_else(|e| {
        panic!("failed to initialize the render context: {}", e);
    });

    let mut tokens = Default::default();
    ctx.render(&mut tokens).unwrap_or_else(|e| {
        panic!("error during generating doc comments: {}", e);
    });

    tokens
}