iowo/crates/app/src/main.rs

53 lines
1.2 KiB
Rust

use std::{fs, path::PathBuf};
use clap::{Parser, Subcommand};
use config::{CliConfigs, Config};
use welcome_msg::print_startup_msg;
mod config;
#[allow(unused)]
mod error_reporting;
mod welcome_msg;
#[derive(Parser)]
struct Args {
#[command(flatten)]
configs: CliConfigs,
#[command(subcommand)]
command: Commands,
}
#[derive(Subcommand)]
enum Commands {
Run {
/// What file contains the pipeline to evaluate.
source: PathBuf,
},
Dev,
}
fn main() {
// TODO: proper error handling across the whole function
// don't forget to also look inside `Config`
let args = Args::parse();
let cfg = Config::read(&args.configs);
if cfg.startup_msg {
print_startup_msg();
}
match args.command {
Commands::Run { source } => {
let source = fs::read_to_string(source).expect("can't find source file");
let ir = ir::from_ron(&source).expect("failed to parse source to graph ir");
let mut machine = cfg.evaluator.pick();
machine.feed(ir);
machine.eval_full();
}
Commands::Dev => {
println!("Hello world!");
}
}
}