e0/src/main.rs

#[macro_use]
extern crate lalrpop_util;
#[macro_use]
extern crate anyhow;

lalrpop_mod!(parser);

mod ast;

use std::fs::{self, File};
use std::path::PathBuf;

use anyhow::Result;
use clap::Parser;
use inkwell::context::Context;

use crate::parser::ProgramParser;

#[derive(Debug, Parser)]
struct Opt {
    path: PathBuf,

    #[clap(short = 'o', long = "out")]
    out_path: PathBuf,
}

fn main() -> Result<()> {
    let opts = Opt::parse();

    let contents = fs::read_to_string(opts.path)?;

    let parser = ProgramParser::new();
    let ast = parser.parse(&contents).unwrap();
    println!("AST: {ast:?}");

    let mut context = Context::create();
    let module = ast::convert(&mut context, ast)?;

    {
        let file = File::create(&opts.out_path)?;
        module.write_bitcode_to_file(&file, true, true);
        println!("Emitted.");
    }

    Ok(())
}