87 lines
2.0 KiB
Rust
87 lines
2.0 KiB
Rust
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// Lower NIR into AIR
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//
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// Copyright (C) 2014-2022 Ryan Specialty Group, LLC.
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//
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// This file is part of TAME.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//! Lower [NIR](super) into [AIR](crate::asg::air).
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use std::{error::Error, fmt::Display};
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use crate::{
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asg::air::AirToken as Air, diagnose::Diagnostic, parse::prelude::*,
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};
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use super::Nir;
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#[derive(Debug, PartialEq, Eq, Default)]
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pub enum NirToAir {
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#[default]
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Ready,
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}
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impl Display for NirToAir {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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use NirToAir::*;
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match self {
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Ready => write!(f, "ready to lower NIR to AIR"),
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}
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}
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}
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impl ParseState for NirToAir {
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type Token = Nir;
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type Object = Air;
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type Error = NirToAirError;
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fn parse_token(
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self,
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_tok: Self::Token,
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_: NoContext,
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) -> TransitionResult<Self::Super> {
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Transition(self).incomplete()
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}
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fn is_accepting(&self, _: &Self::Context) -> bool {
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true
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}
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}
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#[derive(Debug, PartialEq, Eq)]
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pub enum NirToAirError {
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Todo,
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}
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impl Display for NirToAirError {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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use NirToAirError::*;
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match self {
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Todo => write!(f, "TODO"),
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}
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}
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}
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impl Error for NirToAirError {}
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impl Diagnostic for NirToAirError {
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fn describe(&self) -> Vec<crate::diagnose::AnnotatedSpan> {
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// TODO
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vec![]
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}
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}
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