65 lines
1.9 KiB
Rust
65 lines
1.9 KiB
Rust
#![forbid(unsafe_code, clippy::unwrap_used)]
|
|
|
|
mod repl;
|
|
|
|
use ablescript::interpret::ExecEnv;
|
|
use ablescript::parser::parse;
|
|
use clap::{Arg, Command};
|
|
use std::process::exit;
|
|
|
|
fn main() {
|
|
// variables::test(); // NOTE(Able): Add this as a test case
|
|
let matches = Command::new("AbleScript")
|
|
.version(env!("CARGO_PKG_VERSION"))
|
|
.author("Able <abl3theabove@gmail.com>")
|
|
.about("AbleScript interpreter")
|
|
.arg(
|
|
Arg::new("file")
|
|
.short('f')
|
|
.long("file")
|
|
.value_name("FILE")
|
|
.help("Set the path to interpret from")
|
|
.takes_value(true),
|
|
)
|
|
.arg(
|
|
Arg::new("debug")
|
|
.long("debug")
|
|
.help("Enable debug AST printing"),
|
|
)
|
|
.get_matches();
|
|
|
|
let ast_print = matches.is_present("debug");
|
|
|
|
match matches.value_of("file") {
|
|
Some(file_path) => {
|
|
// Read file
|
|
let source = match std::fs::read_to_string(file_path) {
|
|
Ok(s) => s,
|
|
Err(e) => {
|
|
println!("Failed to read file \"{}\": {}", file_path, e);
|
|
exit(1)
|
|
}
|
|
};
|
|
|
|
// Parse & evaluate
|
|
if let Err(e) = parse(&source).and_then(|ast| {
|
|
if ast_print {
|
|
println!("{:#?}", ast);
|
|
}
|
|
ExecEnv::<ablescript::host_interface::Standard>::default().eval_stmts(&ast)
|
|
}) {
|
|
println!(
|
|
"Error `{:?}` occurred at span: {:?} = `{:?}`",
|
|
e.kind,
|
|
e.span.clone(),
|
|
&source[e.span]
|
|
);
|
|
}
|
|
}
|
|
None => {
|
|
println!("Hi [AbleScript {}]", env!("CARGO_PKG_VERSION"));
|
|
repl::repl(ast_print);
|
|
}
|
|
}
|
|
}
|