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2022-07-22feat(ops): V8 Fast Calls (#15122)Divy Srivastava
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>
2022-07-20Reland "feat: add "unhandledrejection" event support" (#15211)Bartek Iwańczuk
2022-07-18reland: "fix(core): unhandled rejection in top-level scope" (#15236)Bartek Iwańczuk
Reland #15204
2022-07-18feat: import.meta.resolve() (#15074)Bartek Iwańczuk
This commit adds new "import.meta.resolve()" API which allows to resolve specifiers relative to the module the API is called in. This API supports resolving using import maps.
2022-07-18Revert "fix(core): unhandled rejection in top-level scope (#15204)" (#15226)Bartek Iwańczuk
This reverts commit 48a7312f3871e3b76c51eb0143ca1c48da43b20c.
2022-07-15Revert "feat: add "unhandledrejection" event support (#12994) (#15080)" (#15210)Bartek Iwańczuk
This reverts commit 1a7259b04b7229f6350a7a7c21b50497b5c80c17.
2022-07-14feat: add "unhandledrejection" event support (#12994) (#15080)Bartek Iwańczuk
Relanding #12994 This commit adds support for "unhandledrejection" event. This event will trigger event listeners registered using: "globalThis.addEventListener("unhandledrejection") "globalThis.onunhandledrejection" This is done by registering a default handler using "Deno.core.setPromiseRejectCallback" that allows to handle rejected promises in JavaScript instead of Rust. This commit will make it possible to polyfill "process.on("unhandledRejection")" in the Node compat layer. Co-authored-by: Colin Ihrig <cjihrig@gmail.com>
2022-07-14fix(core): unhandled rejection in top-level scope (#15204)Bartek Iwańczuk
Update "deno_core" to not forward rejection of top level module if it was already handled by appropriate handlers. Co-authored-by: Colin Ihrig cjihrig@gmail.com
2022-07-04Revert "feat: add "unhandledrejection" event support (#12994)" (#15075)Bartek Iwańczuk
This reverts commit f7af0b01a59aaac91473e2f920137004d39a310a.
2022-07-04feat: add "unhandledrejection" event support (#12994)Bartek Iwańczuk
This commit adds support for "unhandledrejection" event. This event will trigger event listeners registered using: "globalThis.addEventListener("unhandledrejection") "globalThis.onunhandledrejection" This is done by registering a default handler using "Deno.core.setPromiseRejectCallback" that allows to handle rejected promises in JavaScript instead of Rust. This commit will make it possible to polyfill "process.on("unhandledRejection")" in the Node compat layer. Co-authored-by: Colin Ihrig <cjihrig@gmail.com>
2022-06-26build: require safety comments on unsafe code (#13870)Luca Casonato
Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com> Co-authored-by: Divy Srivastava <dj.srivastava23@gmail.com>
2022-06-07refactor(core): Move Deno.core bindings to ops (#14793)Nayeem Rahman
2022-06-06fix: Format non-error exceptions (#14604)Nayeem Rahman
This commit adds "Deno.core.setFormatExceptionCallback" which can be used to provide custom formatting for errors. It is useful in cases when user throws something that is non-Error (eg. a string, plain object, etc).
2022-05-26fix(core): rethrow exception during structured cloning serialization (#14671)Mark Ladyshau
- Introduced optional callback for Deno.core.serialize API, that returns cloning error if there is one. - Removed try/catch in seralize structured clone function and throw error from callback. - Removed "Object with a getter that throws" assertion from WPT.
2022-05-24fix(core): op metrics op_names mismatch (#14716)Aaron O'Mullan
2022-05-15perf(core): optimize encode on large strings (#14619)Aaron O'Mullan
Follow up to serde_v8's #14450
2022-05-07refactor(core): add AssertedModuleType enum (#14501)Bartek Iwańczuk
Co-authored-by: Luca Casonato <hello@lcas.dev>
2022-05-03refactor: add core.formatLocationFilename, remove op_format_filename (#14474)Bartek Iwańczuk
This commit moves "op_format_location" to "core/ops_builtin.rs" and removes "Deno.core.createPrepareStackTrace" in favor of "Deno.core.prepareStackTrace". Co-authored-by: Aaron O'Mullan <aaron.omullan@gmail.com>
2022-04-15refactor: Move source map lookups to core (#14274)Nayeem Rahman
The following transformations gradually faced by "JsError" have all been moved up front to "JsError::from_v8_exception()": - finding the first non-"deno:" source line; - moving "JsError::script_resource_name" etc. into the first error stack in case of syntax errors; - source mapping "JsError::script_resource_name" etc. when wrapping the error even though the frame locations are source mapped earlier; - removing "JsError::{script_resource_name,line_number,start_column,end_column}" entirely in favour of "js_error.frames.get(0)". We also no longer pass a js-side callback to "core/02_error.js" from cli. I avoided doing this on previous occasions because the source map lookups were in an awkward place.
2022-04-13feat(ext/web): Add error events for event listener and timer errors (#14159)Nayeem Rahman
- feat: Add handleable error event for even listener errors - feat: Add handleable error event for setTimeout()/setInterval() errors - feat: Add Deno.core.destructureError() - feat: Add Deno.core.terminate() - fix: Don't throw listener errors from dispatchEvent() - fix: Use biased mode when selecting between mod_evaluate() and run_event_loop() results
2022-04-08refactor(core): OpCtx (#14228)Aaron O'Mullan
2022-03-27perf: micro-optimize core.encode (#14120)Divy Srivastava
2022-03-22fix(fetch): Fix uncaught rejection panic with ↵Andreu Botella
`WebAssembly.instantiateStreaming` (#13925) When an exception is thrown during the processing of streaming WebAssembly, `op_wasm_streaming_abort` is called. This op calls into V8, which synchronously rejects the promise and calls into the promise rejection handler, if applicable. But calling an op borrows the isolate's `JsRuntimeState` for the duration of the op, which means it is borrowed when V8 calls into `promise_reject_callback`, which tries to borrow it again, panicking. This change changes `op_wasm_streaming_abort` from an op to a binding (`Deno.core.abortWasmStreaming`). Although that binding must borrow the `JsRuntimeState` in order to access the `WasmStreamingResource` stored in the `OpTable`, it also takes ownership of that `WasmStreamingResource` instance, which means it can drop any borrows of the `JsRuntimeState` before calling into V8.
2022-03-16cleanup(core): recursive get & ensure helpers (#13972)Aaron O'Mullan
2022-03-15cleanup(core): OpPair => OpDecl (#13952)Aaron O'Mullan
2022-03-15fix(core): nuke Deno.core.ops pre-snapshot (#13970)Aaron O'Mullan
To avoid OOB & other ExternalReference snapshot serialization issues Co-authored-by: Bert Belder <bertbelder@gmail.com>
2022-03-14fix(core): Don't override structured clone error messages from V8 (#13942)Andreu Botella
In the implementation of structured serialization in `Deno.core.serialize`, whenever there is a serialization error, an exception will be thrown with the message "Failed to serialize response", even though V8 provides a message to use in such cases. This change instead throws an exception with the V8-provided message, if there is one.
2022-03-14feat(core): codegen ops (#13861)Divy Srivastava
Co-authored-by: Aaron O'Mullan <aaron.omullan@gmail.com>
2022-03-12refactor(core): validate promise id in refOp (#13905)Yoshiya Hinosawa
2022-03-11chore: update rusty_v8 to 0.41.0 (#13909)Divy Srivastava
2022-01-07chore: update copyright to 2022 (#13306)Ryan Dahl
Co-authored-by: Erfan Safari <erfanshield@outlook.com>
2021-12-18refactor: use `once_cell` instead of `lazy_static` (#13135)Divy Srivastava
2021-12-15feat: Add support for import assertions and JSON modules (#12866)Bartek Iwańczuk
This commit adds proper support for import assertions and JSON modules. Implementation of "core/modules.rs" was changed to account for multiple possible module types, instead of always assuming that the code is an "ES module". In effect "ModuleMap" now has knowledge about each modules' type (stored via "ModuleType" enum). Module loading pipeline now stores information about expected module type for each request and validates that expected type matches discovered module type based on file's "MediaType". Relevant tests were added to "core/modules.rs" and integration tests, additionally multiple WPT tests were enabled. There are still some rough edges in the implementation and not all WPT were enabled, due to: a) unclear BOM handling in source code by "FileFetcher" b) design limitation of Deno's "FileFetcher" that doesn't download the same module multiple times in a single run Co-authored-by: Kitson Kelly <me@kitsonkelly.com>
2021-12-12fix(core): improve error on invalid op id (#13056)Bartek Iwańczuk
2021-12-03fix(core): throw on invalid callConsole args (#12973)Aaron O'Mullan
Instead of panicking via asserts, since JS-callable code (even Deno.core ...) should not cause process crashes/panics
2021-11-28feat(core): intercept unhandled promise rejections (#12910)Ben Noordhuis
Provide a programmatic means of intercepting rejected promises without a .catch() handler. Needed for Node compat mode. Also do a first pass at uncaughtException support because they're closely intertwined in Node. It's like that Frank Sinatra song: you can't have one without the other. Stepping stone for #7013.
2021-11-25feat(core): Add ability to "ref" and "unref" pending ops (#12889)Bartek Iwańczuk
This commit adds an ability to "ref" or "unref" pending ops. Up to this point Deno had a notion of "async ops" and "unref async ops"; the former keep event loop alive, while the latter do not block event loop from finishing. It was not possible to change between op types after dispatching, one had to decide which type to use before dispatch. Instead of storing ops in two separate "FuturesUnordered" collections, now ops are stored in a single collection, with supplemental "HashSet" storing ids of promises that were "unrefed". Two APIs were added to "Deno.core": "Deno.core.refOp(promiseId)" which allows to mark promise id to be "refed" and keep event loop alive (the default behavior) "Deno.core.unrefOp(promiseId)" which allows to mark promise id as "unrefed" which won't block event loop from exiting
2021-11-16feat(core): Deno.core.setNextTickCallback (#12771)Bartek Iwańczuk
This commit adds several new "Deno.core" bindings: * "setNextTickCallback" * "hasScheduledTick" * "setHasScheduledTick" * "runMicrotasks" Additionally it changes "Deno.core.setMacrotaskCallback" to allow registering multiple callbacks. All these changes were necessary to polyfill "process.nextTick" in Node compat layer. Co-authored-by: Ben Noordhuis <info@bnoordhuis.nl>
2021-11-16refactor: re-export anyhow from deno_core (#12777)Ryan Dahl
2021-11-08feat(compat): add .code to dyn import error (#12633)Yoshiya Hinosawa
2021-11-02chore: update to Rust edition 2021 (#12578)Bartek Iwańczuk
2021-10-27chore: update to rusty_v8 0.33.0 (#12564)Luca Casonato
2021-10-24fix(core): avoid op_state.borrow_mut() for OpsTracker (#12525)Aaron O'Mullan
By allowing interior mutability in OpsTracker (owning a RefCell<Vec> instead of just a Vec) Fixes #12453
2021-10-19fix(core/bindings): use is_instance_of_error() instead of is_native_error() ↵Nayeem Rahman
(#12479)
2021-10-10refactor(metrics): move to core (#12386)Aaron O'Mullan
Avoids overhead of wrapping ops (and allocs when inspecting async-op futures)
2021-10-05feat(core): native binding names (#12290)Aaron O'Mullan
Makes native builtin functions easier to recognize when debugging/profiling, they would otherwise appear as "(anonymous)" functions
2021-10-04refactor(core): split opcall into sync/async (#12312)Aaron O'Mullan
2021-10-01feat(core): implement Deno.core.isProxy() (#12288)Aaron O'Mullan
2021-09-29feat: support serializing `WebAssembly.Module` objects (#12140)Andreu Botella
2021-09-13refactor(core): Turn the `wasm_streaming_feed` binding into ops (#11985)Andreu Botella
Async WebAssembly compilation was implemented by adding two bindings: `set_wasm_streaming_callback`, which registered a callback to be called whenever a streaming wasm compilation was started, and `wasm_streaming_feed`, which let the JS callback modify the state of the v8 wasm compiler. `set_wasm_streaming_callback` cannot currently be implemented as anything other than a binding, but `wasm_streaming_feed` does not really need to use anything specific to bindings, and could indeed be implemented as one or more ops. This PR does that, resulting in a simplification of the relevant code. There are three operations on the state of the v8 wasm compiler that `wasm_streaming_feed` allowed: feeding new bytes into the compiler, letting it know that there are no more bytes coming from the network, and aborting the compilation. This PR provides `op_wasm_streaming_feed` to feed new bytes into the compiler, and `op_wasm_streaming_abort` to abort the compilation. It doesn't provide an op to let v8 know that the response is finished, but closing the resource with `Deno.core.close()` will achieve that.