mirror of
https://github.com/denoland/deno.git
synced 2024-11-22 15:06:54 -05:00
462 lines
12 KiB
Rust
462 lines
12 KiB
Rust
// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
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#![deny(warnings)]
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#[macro_use]
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extern crate lazy_static;
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#[macro_use]
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extern crate log;
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extern crate futures;
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#[macro_use]
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extern crate serde_json;
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extern crate clap;
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extern crate deno_core;
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extern crate indexmap;
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#[cfg(unix)]
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extern crate nix;
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extern crate rand;
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extern crate serde;
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extern crate serde_derive;
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extern crate tokio;
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extern crate url;
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mod checksum;
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pub mod colors;
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pub mod compilers;
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pub mod deno_dir;
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pub mod deno_error;
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pub mod diagnostics;
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mod disk_cache;
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mod file_fetcher;
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pub mod flags;
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mod fmt;
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pub mod fmt_errors;
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mod fs;
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mod global_state;
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mod global_timer;
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mod http_util;
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mod import_map;
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pub mod installer;
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mod js;
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mod lockfile;
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mod metrics;
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pub mod msg;
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pub mod ops;
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pub mod permissions;
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mod progress;
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mod repl;
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pub mod resolve_addr;
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mod shell;
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pub mod signal;
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pub mod source_maps;
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mod startup_data;
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pub mod state;
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pub mod test_util;
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mod tokio_util;
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pub mod version;
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mod web_worker;
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pub mod worker;
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use crate::compilers::TargetLib;
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use crate::deno_error::js_check;
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use crate::deno_error::{print_err_and_exit, print_msg_and_exit};
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use crate::global_state::GlobalState;
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use crate::ops::io::get_stdio;
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use crate::state::State;
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use crate::worker::MainWorker;
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use deno_core::v8_set_flags;
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use deno_core::ErrBox;
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use deno_core::ModuleSpecifier;
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use flags::DenoFlags;
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use flags::DenoSubcommand;
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use log::Level;
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use log::Metadata;
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use log::Record;
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use std::env;
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static LOGGER: Logger = Logger;
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struct Logger;
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impl log::Log for Logger {
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fn enabled(&self, metadata: &Metadata) -> bool {
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metadata.level() <= log::max_level()
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}
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fn log(&self, record: &Record) {
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if self.enabled(record.metadata()) {
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let mut target = record.target().to_string();
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if let Some(line_no) = record.line() {
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target.push_str(":");
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target.push_str(&line_no.to_string());
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}
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println!("{} RS - {} - {}", record.level(), target, record.args());
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}
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}
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fn flush(&self) {}
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}
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fn create_global_state(flags: DenoFlags) -> GlobalState {
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GlobalState::new(flags)
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.map_err(deno_error::print_err_and_exit)
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.unwrap()
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}
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fn create_main_worker(
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global_state: GlobalState,
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main_module: ModuleSpecifier,
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) -> MainWorker {
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let state = State::new(global_state, None, main_module)
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.map_err(deno_error::print_err_and_exit)
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.unwrap();
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let state_ = state.clone();
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{
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let mut state = state_.borrow_mut();
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let (stdin, stdout, stderr) = get_stdio();
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state.resource_table.add("stdin", Box::new(stdin));
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state.resource_table.add("stdout", Box::new(stdout));
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state.resource_table.add("stderr", Box::new(stderr));
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}
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MainWorker::new("main".to_string(), startup_data::deno_isolate_init(), state)
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}
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fn types_command() {
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let types = format!(
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"{}\n{}\n{}",
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crate::js::DENO_NS_LIB,
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crate::js::SHARED_GLOBALS_LIB,
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crate::js::WINDOW_LIB
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);
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use std::io::Write;
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let _r = std::io::stdout().write_all(types.as_bytes());
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// TODO(ry) Only ignore SIGPIPE. Currently ignoring all errors.
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}
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fn print_cache_info(state: &GlobalState) {
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println!(
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"{} {:?}",
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colors::bold("DENO_DIR location:".to_string()),
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state.dir.root
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);
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println!(
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"{} {:?}",
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colors::bold("Remote modules cache:".to_string()),
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state.dir.deps_cache.location
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);
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println!(
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"{} {:?}",
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colors::bold("TypeScript compiler cache:".to_string()),
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state.dir.gen_cache.location
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);
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}
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async fn print_file_info(
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worker: &MainWorker,
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module_specifier: ModuleSpecifier,
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) {
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let global_state = worker.state.borrow().global_state.clone();
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let maybe_source_file = global_state
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.file_fetcher
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.fetch_source_file_async(&module_specifier, None)
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.await;
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if let Err(err) = maybe_source_file {
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println!("{}", err);
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return;
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}
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let out = maybe_source_file.unwrap();
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println!(
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"{} {}",
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colors::bold("local:".to_string()),
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out.filename.to_str().unwrap()
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);
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println!(
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"{} {}",
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colors::bold("type:".to_string()),
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msg::enum_name_media_type(out.media_type)
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);
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let module_specifier_ = module_specifier.clone();
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let maybe_compiled = global_state
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.clone()
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.fetch_compiled_module(module_specifier_, None, TargetLib::Main)
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.await;
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if let Err(e) = maybe_compiled {
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debug!("compiler error exiting!");
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eprintln!("\n{}", e.to_string());
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std::process::exit(1);
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}
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if out.media_type == msg::MediaType::TypeScript
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|| (out.media_type == msg::MediaType::JavaScript
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&& global_state.ts_compiler.compile_js)
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{
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let compiled_source_file = global_state
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.ts_compiler
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.get_compiled_source_file(&out.url)
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.unwrap();
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println!(
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"{} {}",
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colors::bold("compiled:".to_string()),
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compiled_source_file.filename.to_str().unwrap(),
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);
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}
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if let Ok(source_map) = global_state
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.clone()
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.ts_compiler
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.get_source_map_file(&module_specifier)
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{
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println!(
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"{} {}",
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colors::bold("map:".to_string()),
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source_map.filename.to_str().unwrap()
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);
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}
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if let Some(deps) = worker.isolate.modules.deps(&module_specifier) {
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println!("{}{}", colors::bold("deps:\n".to_string()), deps.name);
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if let Some(ref depsdeps) = deps.deps {
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for d in depsdeps {
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println!("{}", d);
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}
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}
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} else {
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println!(
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"{} cannot retrieve full dependency graph",
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colors::bold("deps:".to_string()),
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);
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}
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}
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async fn info_command(flags: DenoFlags, file: Option<String>) {
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let global_state = create_global_state(flags);
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// If it was just "deno info" print location of caches and exit
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if file.is_none() {
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return print_cache_info(&global_state);
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}
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// Setup runtime.
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let main_module = ModuleSpecifier::resolve_url_or_path(&file.unwrap())
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.expect("Bad specifier");
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let mut worker = create_main_worker(global_state, main_module.clone());
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// TODO(bartlomieju): not needed?
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js_check(worker.execute("bootstrapMainRuntime()"));
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let main_result = worker.execute_mod_async(&main_module, None, true).await;
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if let Err(e) = main_result {
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print_err_and_exit(e);
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}
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print_file_info(&worker, main_module.clone()).await;
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let result = (&mut *worker).await;
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js_check(result);
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}
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async fn install_command(
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flags: DenoFlags,
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dir: Option<String>,
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exe_name: String,
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module_url: String,
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args: Vec<String>,
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force: bool,
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) {
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// Firstly fetch and compile module, this
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// ensures the module exists.
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let mut fetch_flags = flags.clone();
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fetch_flags.reload = true;
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fetch_command(fetch_flags, vec![module_url.to_string()]).await;
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let install_result =
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installer::install(flags, dir, &exe_name, &module_url, args, force);
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if let Err(e) = install_result {
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print_msg_and_exit(&e.to_string());
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}
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}
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async fn fetch_command(flags: DenoFlags, files: Vec<String>) {
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let main_module =
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ModuleSpecifier::resolve_url_or_path("./__$deno$fetch.ts").unwrap();
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let global_state = create_global_state(flags);
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let mut worker =
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create_main_worker(global_state.clone(), main_module.clone());
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// TODO(bartlomieju): not needed?
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js_check(worker.execute("bootstrapMainRuntime()"));
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for file in files {
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let specifier = ModuleSpecifier::resolve_url_or_path(&file).unwrap();
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let result = worker.execute_mod_async(&specifier, None, true).await;
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js_check(result);
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}
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if global_state.flags.lock_write {
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if let Some(ref lockfile) = global_state.lockfile {
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let g = lockfile.lock().unwrap();
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if let Err(e) = g.write() {
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print_err_and_exit(ErrBox::from(e));
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}
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} else {
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eprintln!("--lock flag must be specified when using --lock-write");
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std::process::exit(11);
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}
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}
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}
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async fn eval_command(flags: DenoFlags, code: String) {
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// Force TypeScript compile.
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let main_module =
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ModuleSpecifier::resolve_url_or_path("./__$deno$eval.ts").unwrap();
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let global_state = create_global_state(flags);
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let mut worker = create_main_worker(global_state, main_module.clone());
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js_check(worker.execute("bootstrapMainRuntime()"));
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debug!("main_module {}", &main_module);
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let exec_result = worker
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.execute_mod_async(&main_module, Some(code), false)
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.await;
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if let Err(e) = exec_result {
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print_err_and_exit(e);
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}
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js_check(worker.execute("window.dispatchEvent(new Event('load'))"));
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let result = (&mut *worker).await;
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js_check(result);
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js_check(worker.execute("window.dispatchEvent(new Event('unload'))"));
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}
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async fn bundle_command(
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flags: DenoFlags,
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source_file: String,
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out_file: Option<String>,
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) {
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debug!(">>>>> bundle_async START");
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let source_file_specifier =
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ModuleSpecifier::resolve_url_or_path(&source_file).expect("Bad specifier");
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let global_state = create_global_state(flags);
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let mut worker =
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create_main_worker(global_state.clone(), source_file_specifier.clone());
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// NOTE: we need to poll `worker` otherwise TS compiler worker won't run properly
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let result = (&mut *worker).await;
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js_check(result);
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let bundle_result = global_state
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.ts_compiler
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.bundle_async(
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global_state.clone(),
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source_file_specifier.to_string(),
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out_file,
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)
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.await;
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if let Err(err) = bundle_result {
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debug!("diagnostics returned, exiting!");
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eprintln!("");
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print_err_and_exit(err);
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}
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debug!(">>>>> bundle_async END");
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}
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async fn run_repl(flags: DenoFlags) {
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let main_module =
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ModuleSpecifier::resolve_url_or_path("./__$deno$repl.ts").unwrap();
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let global_state = create_global_state(flags);
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let mut worker = create_main_worker(global_state, main_module);
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js_check(worker.execute("bootstrapMainRuntime()"));
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loop {
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let result = (&mut *worker).await;
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if let Err(err) = result {
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eprintln!("{}", err.to_string());
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}
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}
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}
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async fn run_script(flags: DenoFlags, script: String) {
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let main_module = ModuleSpecifier::resolve_url_or_path(&script).unwrap();
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let global_state = create_global_state(flags);
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let mut worker =
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create_main_worker(global_state.clone(), main_module.clone());
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// Setup runtime.
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js_check(worker.execute("bootstrapMainRuntime()"));
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debug!("main_module {}", main_module);
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let mod_result = worker.execute_mod_async(&main_module, None, false).await;
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if let Err(err) = mod_result {
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print_err_and_exit(err);
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}
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if global_state.flags.lock_write {
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if let Some(ref lockfile) = global_state.lockfile {
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let g = lockfile.lock().unwrap();
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if let Err(e) = g.write() {
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print_err_and_exit(ErrBox::from(e));
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}
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} else {
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eprintln!("--lock flag must be specified when using --lock-write");
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std::process::exit(11);
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}
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}
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js_check(worker.execute("window.dispatchEvent(new Event('load'))"));
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let result = (&mut *worker).await;
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js_check(result);
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js_check(worker.execute("window.dispatchEvent(new Event('unload'))"));
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}
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async fn fmt_command(files: Option<Vec<String>>, check: bool) {
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if let Err(err) = fmt::format_files(files, check) {
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print_err_and_exit(err);
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}
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}
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pub fn main() {
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#[cfg(windows)]
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ansi_term::enable_ansi_support().ok(); // For Windows 10
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log::set_logger(&LOGGER).unwrap();
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let args: Vec<String> = env::args().collect();
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let flags = flags::flags_from_vec(args);
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if let Some(ref v8_flags) = flags.v8_flags {
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let mut v8_flags_ = v8_flags.clone();
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v8_flags_.insert(0, "UNUSED_BUT_NECESSARY_ARG0".to_string());
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v8_set_flags(v8_flags_);
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}
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let log_level = match flags.log_level {
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Some(level) => level,
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None => Level::Warn,
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};
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log::set_max_level(log_level.to_level_filter());
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let fut = async move {
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match flags.clone().subcommand {
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DenoSubcommand::Bundle {
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source_file,
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out_file,
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} => bundle_command(flags, source_file, out_file).await,
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DenoSubcommand::Completions { buf } => {
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print!("{}", std::str::from_utf8(&buf).unwrap());
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}
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DenoSubcommand::Eval { code } => eval_command(flags, code).await,
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DenoSubcommand::Fetch { files } => fetch_command(flags, files).await,
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DenoSubcommand::Format { check, files } => {
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fmt_command(files, check).await
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}
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DenoSubcommand::Info { file } => info_command(flags, file).await,
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DenoSubcommand::Install {
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dir,
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exe_name,
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module_url,
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args,
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force,
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} => install_command(flags, dir, exe_name, module_url, args, force).await,
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DenoSubcommand::Repl => run_repl(flags).await,
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DenoSubcommand::Run { script } => run_script(flags, script).await,
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DenoSubcommand::Types => types_command(),
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_ => panic!("bad subcommand"),
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}
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};
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tokio_util::run_basic(fut);
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}
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