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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
#[macro_use]
extern crate lazy_static;
#[macro_use]
extern crate log;
#[cfg(any(target_os = "macos", target_os = "linux"))]
#[macro_use]
extern crate sig;
#[cfg(test)]
mod test;
mod app;
mod backtrace;
mod browser;
mod crash_handler;
mod egui_glue;
mod embedder;
mod events_loop;
mod headed_window;
mod headless_window;
mod keyutils;
mod minibrowser;
mod parser;
mod prefs;
mod resources;
mod window_trait;
use app::App;
use getopts::Options;
use servo::config::opts::{self, ArgumentParsingResult};
use servo::servo_config::pref;
use std::env;
use std::io::Write;
use std::panic;
use std::process;
use std::thread;
pub mod platform {
#[cfg(target_os = "macos")]
pub use crate::platform::macos::deinit;
#[cfg(target_os = "macos")]
pub mod macos;
#[cfg(not(target_os = "macos"))]
pub fn deinit(_clean_shutdown: bool) {}
}
pub fn main() {
crash_handler::install();
resources::init();
// Parse the command line options and store them globally
let args: Vec<String> = env::args().collect();
let mut opts = Options::new();
opts.optflag(
"",
"angle",
"Use ANGLE to create a GL context (Windows-only)",
);
opts.optflag(
"",
"clean-shutdown",
"Do not shutdown until all threads have finished (macos only)",
);
opts.optflag("b", "no-native-titlebar", "Do not use native titlebar");
opts.optopt("", "device-pixel-ratio", "Device pixels per px", "");
opts.optopt(
"u",
"user-agent",
"Set custom user agent string (or ios / android / desktop for platform default)",
"NCSA Mosaic/1.0 (X11;SunOS 4.1.4 sun4m)",
);
opts.optmulti(
"",
"pref",
"A preference to set to enable",
"dom.bluetooth.enabled",
);
opts.optmulti(
"",
"pref",
"A preference to set to disable",
"dom.webgpu.enabled=false",
);
let opts_matches;
let content_process_token;
match opts::from_cmdline_args(opts, &args) {
ArgumentParsingResult::ContentProcess(matches, token) => {
opts_matches = matches;
content_process_token = Some(token);
if opts::get().is_running_problem_test && env::var("RUST_LOG").is_err() {
env::set_var("RUST_LOG", "compositing::constellation");
}
},
ArgumentParsingResult::ChromeProcess(matches) => {
opts_matches = matches;
content_process_token = None;
},
};
prefs::register_user_prefs(&opts_matches);
// TODO: once log-panics is released, can this be replaced by
// log_panics::init()?
panic::set_hook(Box::new(|info| {
warn!("Panic hook called.");
let msg = match info.payload().downcast_ref::<&'static str>() {
Some(s) => *s,
None => match info.payload().downcast_ref::<String>() {
Some(s) => &**s,
None => "Box<Any>",
},
};
let current_thread = thread::current();
let name = current_thread.name().unwrap_or("<unnamed>");
let stderr = std::io::stderr();
let mut stderr = stderr.lock();
if let Some(location) = info.location() {
let _ = writeln!(
&mut stderr,
"{} (thread {}, at {}:{})",
msg,
name,
location.file(),
location.line()
);
} else {
let _ = writeln!(&mut stderr, "{} (thread {})", msg, name);
}
if env::var("RUST_BACKTRACE").is_ok() {
let _ = backtrace::print(&mut stderr);
}
drop(stderr);
if opts::get().hard_fail && !opts::get().multiprocess {
std::process::exit(1);
}
error!("{}", msg);
}));
if let Some(token) = content_process_token {
return servo::run_content_process(token);
}
if opts::get().is_printing_version {
println!("{}", servo_version());
process::exit(0);
}
let clean_shutdown = opts_matches.opt_present("clean-shutdown");
let do_not_use_native_titlebar =
opts_matches.opt_present("no-native-titlebar") || !(pref!(shell.native_titlebar.enabled));
let device_pixels_per_px = opts_matches.opt_str("device-pixel-ratio").map(|dppx_str| {
dppx_str.parse().unwrap_or_else(|err| {
error!("Error parsing option: --device-pixel-ratio ({})", err);
process::exit(1);
})
});
let user_agent = opts_matches.opt_str("u");
let url_opt = if !opts_matches.free.is_empty() {
Some(&opts_matches.free[0][..])
} else {
None
};
App::run(do_not_use_native_titlebar, device_pixels_per_px, user_agent, url_opt.map(|s| s.to_string()));
platform::deinit(clean_shutdown)
}
pub fn servo_version() -> String {
format!("Servo {}-{}", env!("CARGO_PKG_VERSION"), env!("VERGEN_GIT_SHA"))
}
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