kasl-ir 0.3.5

An intermediate representation for the KASL language.
Documentation 
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//
//  Copyright 2026 Shuntaro Kasatani
//
//  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.
//

use std::fmt::Display;

#[derive(Debug, Clone, Copy, PartialEq)]
pub enum IRType {
    I8,
    I16,
    I32,
    I64,
    F32,
    F64,
    Void,
    Ptr,
}

impl Display for IRType {
    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
        let s = match self {
            IRType::I8 => "i8",
            IRType::I16 => "i16",
            IRType::I32 => "i32",
            IRType::I64 => "i64",
            IRType::F32 => "f32",
            IRType::F64 => "f64",
            IRType::Void => "void",
            IRType::Ptr => "ptr",
        };
        write!(f, "{}", s)
    }
}

impl IRType {
    /// Returns whether the type is integer.
    pub fn is_int(&self) -> bool {
        matches!(
            self,
            IRType::I8 | IRType::I16 | IRType::I32 | IRType::I64 | IRType::Ptr
        )
    }

    /// Returns whether the type is floating-point number.
    pub fn is_float(&self) -> bool {
        matches!(self, IRType::F32 | IRType::F64)
    }
}