/*     _              _ _
 *  __| |_ _ ___ _ __( |_)_ _
 * / _` | '_/ _ \ '_ \/| | ' \
 * \__,_|_| \___/ .__/ |_|_||_| dropin-compiler - WebAssembly
 *              |_|
 * Copyright © 2019-2022 Blue Forest
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

use wasm_encoder::ValType::{self, I32};

pub struct WASI<'a> {
  pub fd_write: WASIFunction<'a>,
}

impl<'a> Default for WASI<'a> {
  fn default() -> Self {
    Self{
      fd_write: WASIFunction::new(
        "fd_write", vec![I32, I32, I32, I32], vec![I32],
      ),
    }
  }
}

pub struct WASIFunction<'a> {
  pub id:      Option<u32>,
  pub name:    &'a str,
  pub params:  Vec<ValType>,
  pub results: Vec<ValType>,
}

impl<'a> WASIFunction<'a> {
  fn new(name: &'a str, params: Vec<ValType>, results: Vec<ValType>) -> Self {
    Self{ id: None, name, params, results }
  }
}
