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// 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;
mod ansi;
pub mod cli_behavior;
pub mod compiler;
pub mod deno_dir;
pub mod errors;
pub mod flags;
mod fs;
mod global_timer;
mod http_body;
mod http_util;
pub mod isolate;
pub mod isolate_state;
pub mod js_errors;
pub mod modules;
pub mod msg;
pub mod msg_util;
pub mod ops;
pub mod permissions;
mod repl;
pub mod resolve_addr;
pub mod resources;
mod startup_data;
mod tokio_util;
mod tokio_write;
pub mod version;
pub mod workers;
use crate::cli_behavior::CliBehavior;
use crate::errors::RustOrJsError;
use crate::isolate::Isolate;
use crate::isolate_state::IsolateState;
use futures::lazy;
use futures::Future;
use log::{LevelFilter, Metadata, Record};
use std::env;
use std::sync::Arc;
static LOGGER: Logger = Logger;
struct Logger;
impl log::Log for Logger {
fn enabled(&self, metadata: &Metadata) -> bool {
metadata.level() <= log::max_level()
}
fn log(&self, record: &Record) {
if self.enabled(record.metadata()) {
println!("{} RS - {}", record.level(), record.args());
}
}
fn flush(&self) {}
}
fn print_err_and_exit(err: RustOrJsError) {
eprintln!("{}", err.to_string());
std::process::exit(1);
}
fn js_check<E>(r: Result<(), E>)
where
E: Into<RustOrJsError>,
{
if let Err(err) = r {
print_err_and_exit(err.into());
}
}
fn main() {
#[cfg(windows)]
ansi_term::enable_ansi_support().ok(); // For Windows 10
log::set_logger(&LOGGER).unwrap();
let args = env::args().collect();
let (mut flags, mut 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 {
LevelFilter::Debug
} else {
LevelFilter::Warn
});
if flags.fmt {
rest_argv.insert(1, "https://deno.land/std/prettier/main.ts".to_string());
flags.allow_read = true;
flags.allow_write = true;
}
let should_prefetch = flags.prefetch || flags.info;
let should_display_info = flags.info;
let state = Arc::new(IsolateState::new(flags, rest_argv, None));
let state_ = state.clone();
let startup_data = startup_data::deno_isolate_init();
let cli = CliBehavior::new(Some(startup_data), state_);
let mut isolate = Isolate::new(cli);
let main_future = lazy(move || {
// Setup runtime.
js_check(isolate.execute("denoMain()"));
// Execute main module.
if let Some(main_module) = state.main_module() {
debug!("main_module {}", main_module);
js_check(isolate.execute_mod(&main_module, should_prefetch));
if should_display_info {
// Display file info and exit. Do not run file
isolate.print_file_info(&main_module);
std::process::exit(0);
}
}
isolate.then(|result| {
js_check(result);
Ok(())
})
});
tokio_util::run(main_future);
}
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