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General cleanup of module loading code, tried to reduce indentation in various methods
on "JsRuntime" to improve readability.
Added "JsRuntime::handle_scope" helper function, which returns a "v8::HandleScope".
This was done to reduce a code pattern that happens all over the "deno_core".
Additionally if event loop hangs during loading of dynamic modules a list of
currently pending dynamic imports is printed.
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`InvalidDNSNameError` is thrown when a string is not a valid hostname,
e.g. it contains invalid characters, or starts with a numeric digit. It
does not involve a (failed) DNS lookup.
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Prefer RUSTFLAGS="-D warnings" to prevent warnings, but cannot
enable yet due to #10378.
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Even if bootstrapping the JS runtime is low level, it's an abstraction leak of
core to require users to call `Deno.core.ops()` in JS space.
So instead we're introducing a `JsRuntime::sync_ops_cache()` method,
once we have runtime extensions a new runtime will ensure the ops
cache is setup (for the provided extensions) and then loading/unloading
plugins should be the only operations that require op cache syncs
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I think it's a better fit since recv() was killed and opcall <> syscall (send/recv
was too reminiscent of request/response and custom payloads)
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Release crates for the cli 1.9.2 release.
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- register builtin v8 errors in core.js so consumers don't have to
- remove complexity of error args handling (consumers must provide a
constructor with custom args, core simply provides msg arg)
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`init()` was previously needed to init the shared queue, but now that it's
gone `init()` only registers the async msg handler which is snapshot
safe and constant since the op layer refactor.
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* Revert "tooling(bench_util): benching and profiling utilities (#10223)"
This reverts commit 733a00030582375c43fa156e978f25df6ecc9e9a.
* Upgrade notify
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Also cleanup `bindings::deserialize()/decode()` so they
use the `ZeroCopyBuf` abstraction rather than reimplementing it.
This cleanup will facilitate moving `ZeroCopyBuf` to `serde_v8`
since it's now self contained and there are no other
`get_backing_store_slice()` callers.
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Include the type name in the error message so you know what to look for.
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Fixes #9912.
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This commit replaces GothamState's internal HashMap
with a BTreeMap to improve performance.
OpState/GothamState keys by TypeId which is essentially
an opaque u64. For small sets of integer keys BTreeMap
outperforms HashMap mainly since it removes the hashing
overhead and Eq/Comp on integer-like types is very cheap,
it should also have a smaller memory footprint.
We only use ~30 unique types and thus ~30 unique keys to
access OpState, so the keyset is small and immutable
throughout the life of a JsRuntime, there's no meaningful
churn in keys added/removed.
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Co-authored-by: Aaron O'Mullan <aaron.omullan@gmail.com>
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This commit updates crate dependencies.
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This is another optimization to help improve the baseline overhead
of async ops. It shaves off ~55ns/op or ~7% of the current total
async op overhead.
It achieves these gains by taking advantage of the sequential
nature of promise IDs and optimistically stores them sequentially
in a pre-allocated circular buffer and fallbacks to the promise Map
for slow to resolve promises.
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Core no longer uses `serde_json` now, besides re-exporting it or in the module specifier tests
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- Improves op performance.
- Handle op-metadata (errors, promise IDs) explicitly in the op-layer vs
per op-encoding (aka: out-of-payload).
- Remove shared queue & custom "asyncHandlers", all async values are
returned in batches via js_recv_cb.
- The op-layer should be thought of as simple function calls with little
indirection or translation besides the conceptually straightforward
serde_v8 bijections.
- Preserve concepts of json/bin/min as semantic groups of their
inputs/outputs instead of their op-encoding strategy, preserving these
groups will also facilitate partial transitions over to v8 Fast API for the
"min" and "bin" groups
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