ucg/src/convert/traits.rs

32 lines
1.1 KiB
Rust

// Copyright 2017 Jeremy Wall <jeremy@marzhillstudios.com>
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//! The traits used by the ucg compiler for converting Val intermediate format into the output formats..
use std::error::Error;
use std::io::Write;
use std::rc::Rc;
use std::result;
use build::Val;
pub type Result = result::Result<(), Box<Error>>;
/// The trait that Converters from Val to different output formats for the
/// final conversion stage of the ucg compiler.
pub trait Converter {
fn convert(&self, vs: Rc<Val>, w: &mut Write) -> Result;
fn file_ext(&self) -> String;
fn description(&self) -> String;
}