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denoland-deno/src/main.rs
2019-01-15 12:19:58 -05:00

104 lines
2.2 KiB
Rust

// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate log;
#[macro_use]
extern crate futures;
#[macro_use]
extern crate serde_json;
pub mod compiler;
pub mod deno_dir;
pub mod errors;
pub mod flags;
mod fs;
mod http_body;
mod http_util;
pub mod isolate;
pub mod js_errors;
pub mod libdeno;
pub mod msg;
pub mod msg_util;
pub mod ops;
pub mod permissions;
mod repl;
pub mod resolve_addr;
pub mod resources;
pub mod snapshot;
mod tokio_util;
mod tokio_write;
pub mod version;
pub mod workers;
#[cfg(unix)]
mod eager_unix;
use std::env;
use std::sync::Arc;
static LOGGER: Logger = Logger;
struct Logger;
impl log::Log for Logger {
fn enabled(&self, metadata: &log::Metadata<'_>) -> bool {
metadata.level() <= log::max_level()
}
fn log(&self, record: &log::Record<'_>) {
if self.enabled(record.metadata()) {
println!("{} RS - {}", record.level(), record.args());
}
}
fn flush(&self) {}
}
fn print_err_and_exit(err: js_errors::JSError) {
eprintln!("{}", err.to_string());
std::process::exit(1);
}
fn main() {
log::set_logger(&LOGGER).unwrap();
let args = env::args().collect();
let (flags, rest_argv, usage_string) =
flags::set_flags(args).unwrap_or_else(|err| {
eprintln!("{}", err);
std::process::exit(1)
});
if flags.help {
println!("{}", &usage_string);
std::process::exit(0);
}
log::set_max_level(if flags.log_debug {
log::LevelFilter::Debug
} else {
log::LevelFilter::Warn
});
let should_prefetch = flags.prefetch;
let state = Arc::new(isolate::IsolateState::new(flags, rest_argv, None));
let snapshot = snapshot::deno_snapshot();
let isolate = isolate::Isolate::new(snapshot, state, ops::dispatch);
tokio_util::init(|| {
// Setup runtime.
isolate
.execute("denoMain();")
.unwrap_or_else(print_err_and_exit);
// Execute input file.
if isolate.state.argv.len() > 1 {
let input_filename = &isolate.state.argv[1];
isolate
.execute_mod(input_filename, should_prefetch)
.unwrap_or_else(print_err_and_exit);
}
isolate.event_loop().unwrap_or_else(print_err_and_exit);
});
}