lila/src/main.rs

70 lines
1.6 KiB
Rust

mod ast;
mod parsing;
mod typing;
use clap::{Parser, Subcommand};
use crate::ast::module::Module;
/// Experimental compiler for lila
#[derive(Parser, Debug)]
#[command(author = "Romain P. <rpqt@rpqt.fr>")]
#[command(version, about, long_about = None)]
struct Cli {
#[command(subcommand)]
command: Commands,
}
#[derive(Subcommand, Debug)]
enum Commands {
Parse {
/// Path to the source files
files: Vec<String>,
/// Dump the AST to stdout
#[arg(long)]
dump_ast: bool,
/// Add missing return types in the AST
#[arg(long)]
type_check: bool,
},
}
fn main() {
let cli = Cli::parse();
match &cli.command {
Commands::Parse {
files,
dump_ast,
type_check,
} => {
let paths = files.iter().map(std::path::Path::new);
let modules: Vec<Module> = paths
.map(|path| match parsing::parse_file(&path) {
Ok(module) => module,
Err(e) => panic!("Parsing error: {:#?}", e),
})
.collect();
if *type_check {
for module in &modules {
if let Err(e) = module.type_check() {
eprintln!("{}", e);
return;
}
}
}
if *dump_ast {
for module in &modules {
println!("{:#?}", &module);
}
return;
}
println!("Parsing OK");
}
}
}