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Revert "refactor(snapshots): to their own crate (#14794)" (#15076)

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This reverts commit fd5a12d7e2.
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Bartek Iwańczuk 2022-07-05 00:12:41 +02:00 • committed by GitHub
parent 06934db883
commit a919a5dd11
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19 changed files with 674 additions and 740 deletions
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90
runtime/js.rs
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@ -1,38 +1,58 @@
// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license.
use deno_core::include_js_files;
use deno_core::Extension;
use deno_core::Snapshot;
use log::debug;
use once_cell::sync::Lazy;
pub fn init() -> Extension {
Extension::builder()
.js(include_js_files!(
prefix "deno:runtime",
// Generated with:
// bash -c "cd runtime && ls js/*.js | sort"
"js/01_build.js",
"js/01_errors.js",
"js/01_version.js",
"js/01_web_util.js",
"js/06_util.js",
"js/10_permissions.js",
"js/11_workers.js",
"js/12_io.js",
"js/13_buffer.js",
"js/30_fs.js",
"js/30_os.js",
"js/40_diagnostics.js",
"js/40_files.js",
"js/40_fs_events.js",
"js/40_http.js",
"js/40_process.js",
"js/40_read_file.js",
"js/40_signals.js",
"js/40_spawn.js",
"js/40_testing.js",
"js/40_tty.js",
"js/40_write_file.js",
"js/41_prompt.js",
"js/90_deno_ns.js",
"js/99_main.js",
))
.build()
pub static CLI_SNAPSHOT: Lazy<Box<[u8]>> = Lazy::new(
#[allow(clippy::uninit_vec)]
#[cold]
#[inline(never)]
|| {
static COMPRESSED_CLI_SNAPSHOT: &[u8] =
include_bytes!(concat!(env!("OUT_DIR"), "/CLI_SNAPSHOT.bin"));
let size =
u32::from_le_bytes(COMPRESSED_CLI_SNAPSHOT[0..4].try_into().unwrap())
as usize;
let mut vec = Vec::with_capacity(size);
// SAFETY: vec is allocated with exact snapshot size (+ alignment)
// SAFETY: non zeroed bytes are overwritten with decompressed snapshot
unsafe {
vec.set_len(size);
}
lzzzz::lz4::decompress(&COMPRESSED_CLI_SNAPSHOT[4..], &mut vec).unwrap();
vec.into_boxed_slice()
},
);
pub fn deno_isolate_init() -> Snapshot {
debug!("Deno isolate init with snapshots.");
Snapshot::Static(&*CLI_SNAPSHOT)
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn cli_snapshot() {
let mut js_runtime = deno_core::JsRuntime::new(deno_core::RuntimeOptions {
startup_snapshot: Some(deno_isolate_init()),
..Default::default()
});
js_runtime
.execute_script(
"<anon>",
r#"
if (!(bootstrap.mainRuntime && bootstrap.workerRuntime)) {
throw Error("bad");
}
console.log("we have console.log!!!");
"#,
)
.unwrap();
}
}