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// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
mod op_fetch_asset;
use deno_core::js_check;
use deno_core::CoreIsolate;
use deno_core::StartupData;
use std::collections::HashMap;
use std::env;
use std::path::Path;
use std::path::PathBuf;
fn create_snapshot(
mut isolate: CoreIsolate,
snapshot_path: &Path,
files: Vec<String>,
) {
for file in files {
println!("cargo:rerun-if-changed={}", file);
js_check(isolate.execute(&file, &std::fs::read_to_string(&file).unwrap()));
}
let snapshot = isolate.snapshot();
let snapshot_slice: &[u8] = &*snapshot;
println!("Snapshot size: {}", snapshot_slice.len());
std::fs::write(&snapshot_path, snapshot_slice).unwrap();
println!("Snapshot written to: {} ", snapshot_path.display());
}
fn create_runtime_snapshot(snapshot_path: &Path, files: Vec<String>) {
let runtime_isolate = CoreIsolate::new(StartupData::None, true);
create_snapshot(runtime_isolate, snapshot_path, files);
}
fn create_compiler_snapshot(
snapshot_path: &Path,
files: Vec<String>,
cwd: &Path,
) {
let mut runtime_isolate = CoreIsolate::new(StartupData::None, true);
let mut custom_libs: HashMap<String, PathBuf> = HashMap::new();
let web_scripts = deno_web::get_scripts();
custom_libs.insert(
"lib.deno.web.d.ts".to_string(),
PathBuf::from(web_scripts.declaration),
);
custom_libs.insert(
"lib.deno.window.d.ts".to_string(),
cwd.join("dts/lib.deno.window.d.ts"),
);
custom_libs.insert(
"lib.deno.worker.d.ts".to_string(),
cwd.join("dts/lib.deno.worker.d.ts"),
);
custom_libs.insert(
"lib.deno.shared_globals.d.ts".to_string(),
cwd.join("dts/lib.deno.shared_globals.d.ts"),
);
custom_libs.insert(
"lib.deno.ns.d.ts".to_string(),
cwd.join("dts/lib.deno.ns.d.ts"),
);
custom_libs.insert(
"lib.deno.unstable.d.ts".to_string(),
cwd.join("dts/lib.deno.unstable.d.ts"),
);
runtime_isolate.register_op(
"op_fetch_asset",
op_fetch_asset::op_fetch_asset(custom_libs),
);
create_snapshot(runtime_isolate, snapshot_path, files);
}
fn ts_version() -> String {
std::fs::read_to_string("tsc/00_typescript.js")
.unwrap()
.lines()
.find(|l| l.contains("ts.version = "))
.expect(
"Failed to find the pattern `ts.version = ` in typescript source code",
)
.chars()
.skip_while(|c| !char::is_numeric(*c))
.take_while(|c| *c != '"')
.collect::<String>()
}
fn main() {
// Don't build V8 if "cargo doc" is being run. This is to support docs.rs.
if env::var_os("RUSTDOCFLAGS").is_some() {
return;
}
// To debug snapshot issues uncomment:
// op_fetch_asset::trace_serializer();
println!("cargo:rustc-env=TS_VERSION={}", ts_version());
println!(
"cargo:rustc-env=DENO_WEB_LIB_PATH={}",
deno_web::get_scripts().declaration
);
println!(
"cargo:rustc-env=TARGET={}",
std::env::var("TARGET").unwrap()
);
let c = PathBuf::from(env::var_os("CARGO_MANIFEST_DIR").unwrap());
let o = PathBuf::from(env::var_os("OUT_DIR").unwrap());
// Main snapshot
let runtime_snapshot_path = o.join("CLI_SNAPSHOT.bin");
let compiler_snapshot_path = o.join("COMPILER_SNAPSHOT.bin");
let js_files = get_js_files_for_rt();
create_runtime_snapshot(&runtime_snapshot_path, js_files);
let js_files = get_js_files("tsc");
create_compiler_snapshot(&compiler_snapshot_path, js_files, &c);
#[cfg(target_os = "windows")]
{
let mut res = winres::WindowsResource::new();
res.set_icon("deno.ico");
res.set_language(winapi::um::winnt::MAKELANGID(
winapi::um::winnt::LANG_ENGLISH,
winapi::um::winnt::SUBLANG_ENGLISH_US,
));
res.compile().unwrap();
}
}
fn get_js_files(d: &str) -> Vec<String> {
let mut js_files = std::fs::read_dir(d)
.unwrap()
.map(|dir_entry| {
let file = dir_entry.unwrap();
file.path().to_string_lossy().to_string()
})
.filter(|filename| filename.ends_with(".js"))
.collect::<Vec<String>>();
js_files.sort();
js_files
}
fn get_js_files_for_rt() -> Vec<String> {
let web_scripts = deno_web::get_scripts();
let f = vec![
"rt/00_bootstrap_namespace.js",
&web_scripts.dom_exception,
"rt/01_build.js",
"rt/01_colors.js",
"rt/01_errors.js",
&web_scripts.event,
"rt/01_internals.js",
"rt/01_version.js",
"rt/01_web_util.js",
&web_scripts.abort_signal,
"rt/02_console.js",
"rt/03_dom_iterable.js",
"rt/06_util.js",
&web_scripts.text_encoding,
"rt/10_dispatch_json.js",
"rt/10_dispatch_minimal.js",
"rt/11_crypto.js",
"rt/11_resources.js",
"rt/11_streams.js",
"rt/11_timers.js",
"rt/11_url.js",
"rt/11_workers.js",
"rt/12_io.js",
"rt/13_buffer.js",
"rt/20_blob.js",
"rt/20_headers.js",
"rt/20_streams_queuing_strategy.js",
"rt/21_dom_file.js",
"rt/21_filereader.js",
"rt/22_form_data.js",
"rt/23_multipart.js",
"rt/24_body.js",
"rt/25_request.js",
"rt/26_fetch.js",
"rt/30_files.js",
"rt/30_fs.js",
"rt/30_metrics.js",
"rt/30_net.js",
"rt/30_os.js",
"rt/40_compiler_api.js",
"rt/40_diagnostics.js",
"rt/40_error_stack.js",
"rt/40_fs_events.js",
"rt/40_net_unstable.js",
"rt/40_performance.js",
"rt/40_permissions.js",
"rt/40_plugins.js",
"rt/40_process.js",
"rt/40_read_file.js",
"rt/40_repl.js",
"rt/40_signals.js",
"rt/40_testing.js",
"rt/40_tls.js",
"rt/40_tty.js",
"rt/40_write_file.js",
"rt/90_deno_ns.js",
"rt/99_main.js",
];
f.iter().map(|p| p.to_string()).collect()
}
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