1 files changed, 140 insertions, 0 deletions
diff --git a/cli/main.rs b/cli/main.rs
new file mode 100644
index 000000000..4657a3a4d
--- /dev/null
+++ b/cli/main.rs
@@ -0,0 +1,140 @@
+// 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;
+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::Cli;
+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 permissions = permissions::DenoPermissions::from_flags(&state.flags);
+  let cli = Cli::new(Some(startup_data), state_, permissions);
+  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);
+}