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#![feature(collections)]
#![feature(core)]
#![feature(env)]
#![feature(hash)]
#![feature(io)]
#![feature(path)]
#![feature(test)]
#![feature(unicode)]
#![feature(unsafe_destructor)]
use std::old_io;
use std::env;
pub mod environment;
pub mod eval;
pub mod heap;
pub mod primitives;
pub mod read;
pub mod value;
pub fn repl(heap: &mut heap::Heap) {
println!("Welcome to oxischeme!");
println!("C-c to exit.");
println!("");
loop {
let stdin = old_io::stdio::stdin();
let reader = read::Read::new(stdin, heap, "stdin".to_string());
print!("oxischeme> ");
for (location, read_result) in reader {
match read_result {
Err(msg) => {
println!("{}", msg);
break;
},
Ok(form) => {
match eval::evaluate(heap, &form, location) {
Ok(val) => println!("{}", *val),
Err(e) => println!("{}", e),
};
}
}
heap.collect_garbage();
print!("oxischeme> ");
}
}
}
pub fn main() {
let heap = &mut heap::Heap::new();
let mut args_were_passed = false;
for file_path in env::args().skip(1) {
args_were_passed = true;
match eval::evaluate_file(heap, file_path.as_slice()) {
Ok(_) => { },
Err(msg) => {
let mut stderr = old_io::stdio::stderr();
(write!(&mut stderr, "{}", msg)).ok().expect("IO ERROR!");
return;
}
}
}
if !args_were_passed {
repl(heap);
}
}