I'm creating this draft PR, since I wanted to have some early feedback, and because I though I would have time to finish it last week, but I got caught up with other stuff. Feel free to contribute :)
The main thing here is that I have divided `eval()`, `parse()` and similar functions so that they can decide if they are parsing scripts or modules. Let me know your thoughts.
Then, I was checking the import & export parsing, and I noticed we are using `TokenKind::Identifier` for `IdentifierName`, so I changed that name. An `Identifier` is an `IdentifierName` that isn't a `ReservedWord`. This means we should probably also adapt all `IdentifierReference`, `BindingIdentifier` and so on parsing. I already created an `Identifier` parser.
Something interesting there is that `await` is not a valid `Identifier` if the goal symbol is `Module`, as you can see in the [spec](https://tc39.es/ecma262/#prod-LabelIdentifier), but currently we don't have that information in the `InputElement` enumeration, we only have `Div`, `RegExp` and `TemplateTail`. How could we approach this?
Co-authored-by: jedel1043 <jedel0124@gmail.com>
This Pull Request changes the following:
- Implement binary `in` operation with private names.
- Adding a separate `BinaryInPrivate` expression in addition to the existing `Binary` expression seems like the best way to implement this in a typesafe manner. Other methods like adding an enum for the `Binary` lhs result in having to make assertions.
This Pull Request changes the following:
- Move postfix/prefix increment and decrement operations from the `Unary` expression to a new `Update` expression.
- Add a special type for the `Update` expression target as it is very limited in comparision to an `Unary` target.
- This makes bytecode compilation more typesafe for these operations and removes syntax errors from the bytecompiler without introducing panics (see #1907).
Another change extracted from #2411.
This PR changes the following:
- Improves our identifier parsing with a new `Identifier` parser that unifies parsing for `IdentifierReference`, `BindingIdentifier` and `LabelIdentifier`.
- Slightly improves some error messages.
- Extracts our manual initialization of static `Sym`s with a new `static_syms` proc macro.
- Adds `set_module_mode` and `module_mode` to the cursor to prepare for modules.
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This Pull Request enables support for `no_std` targets on some of our sub-crates. I intentionally left out `boa_ast` and `boa_cli` because they're the largest crates we have after `boa_engine`.
`boa_gc` is a monster on its own, because we'll need to design a `no_std` multithreaded GC.
Anyways, this changes the following:
- Adds support for `no_std` on `boa_unicode`.
- Adds support for `no_std` on `boa_profiler`.
- Adds support for `no_std` on `boa_interner`.
- Adds support for `no_std` on `boa_icu_provider`.
This Pull Request hanges the following:
- Add early errors for invalid `yield` and `await` usage in function parameters.
- Add missing function types to hoistable ordering.
- Do not attempt to parse `async` with a following line terminator as an async function.
This Pull Request fixes various bugs related to classes.
The biggest changes are:
- Changed private names to be unique across multiple classes.
- Changed private name resolution to work via a visitor after a class is parsed. The way class early errors are defined makes it impossible to perform private name resolution while parsing.
- Added function names to class methods.
- Added class name binding to method function environments.
- Separated opcodes for `static` and non-`static` class method definitions to make the above operations possible.
There are still some bugs and further issues with classes but this is already a lot.
This Pull Request changes the following:
- Add early errors for functions to make sure that 'eval' or 'arguments' cannot be used as binding identifiers in function parameters. When the function body contains a strict directive, this also has to be accounted for.
- Fix early errors for function identifiers to make sure they cannot be 'eval' or 'arguments' when a function body contains a strict directive.
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This Pull Request fixes/closes #2512 .
Removes `Literal::Undefined` so that `undefined` is treated as an identifier name. Ran the parser's idempotency fuzzer and ensured the bug doesn't reproduce.
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.151 to 1.0.152.
<details>
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<p><em>Sourced from <a href="https://github.com/serde-rs/serde/releases">serde's releases</a>.</em></p>
<blockquote>
<h2>v1.0.152</h2>
<ul>
<li>Documentation improvements</li>
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<li><a href="ccf9c6fc07"><code>ccf9c6f</code></a> Release 1.0.152</li>
<li><a href="b25d0ea7f9"><code>b25d0ea</code></a> Link to Hjson data format</li>
<li><a href="4f4557fd05"><code>4f4557f</code></a> Link to bencode data format</li>
<li><a href="bf400d6799"><code>bf400d6</code></a> Link to serde_tokenstream data format</li>
<li><a href="4d2e36d19b"><code>4d2e36d</code></a> Wrap flexbuffers bullet point to 80 columns</li>
<li><a href="df6310e5f5"><code>df6310e</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/2347">#2347</a> from dtolnay/docsrs</li>
<li><a href="938ab5ddec"><code>938ab5d</code></a> Replace docs.serde.rs links with intra-rustdoc links</li>
<li><a href="ef5a0de384"><code>ef5a0de</code></a> Point documentation links to docs.rs instead of docs.serde.rs</li>
<li><a href="5d186c77a6"><code>5d186c7</code></a> Opt out -Zrustdoc-scrape-examples on docs.rs</li>
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This Pull Request fixes/closes #1180. (I'll open a tracking issue for the progress)
It changes the following:
- Redesigns the internal API of Intl to (hopefully!) make it easier to implement a service.
- Implements the `Intl.Locale` service.
- Implements the `Intl.Collator` service.
- Implements the `Intl.ListFormat` service.
On the subject of the failing tests. Some of them are caused by missing locale data in the `icu_testdata` crate; we would need to regenerate that with the missing locales, or vendor a custom default data.
On the other hand, there are some tests that are bugs from the ICU4X crate. The repo https://github.com/jedel1043/icu4x-test262 currently tracks the found bugs when running test262. I'll sync with the ICU4X team to try to fix those.
cc @sffc
Per the [Standard Library development guide](https://std-dev-guide.rust-lang.org/code-considerations/performance/inline.html):
> You can add `#[inline]`:
>
> - To public, small, non-generic functions.
>
> You shouldn't need `#[inline]`:
> - On methods that have any generics in scope.
> - On methods on traits that don't have a default implementation.
>
> `#[inline]` can always be introduced later, so if you're in doubt they can just be removed.
This PR follows this guideline to reduce the number of `#[inline]` annotations in our code, removing the annotation in:
- Non-public functions
- Generic functions
- Medium and big functions.
Hopefully this shouldn't impact our perf at all, but let's wait to see the benchmark results.
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.150 to 1.0.151.
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<h2>v1.0.151</h2>
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<li>Update <code>serde::</code>{<code>ser</code>,<code>de</code>}<code>::StdError</code> to re-export <code>core::error::Error</code> when serde is built with <code>feature="std"</code> <strong>off</strong> and <code>feature="unstable"</code> <strong>on</strong> (<a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/2344">#2344</a>)</li>
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<li><a href="df40f80fcf"><code>df40f80</code></a> Make StdError identical to core::error::Error on feature="unstable"</li>
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Bumps [serde](https://github.com/serde-rs/serde) from 1.0.149 to 1.0.150.
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<li>Enable <code>Serialize</code> and <code>Deserialize</code> impls of <code>std::sync::atomic</code> types on more platforms (<a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/2337">#2337</a>, thanks <a href="https://github.com/badboy"><code>@badboy</code></a>)</li>
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<li><a href="9249dab54c"><code>9249dab</code></a> Deduplicate atomic_impl macro calls</li>
<li><a href="7440e56c53"><code>7440e56</code></a> Deduplicate atomic_impl macro implementations</li>
<li><a href="0d79306285"><code>0d79306</code></a> Update atomic_impl macros to have same input syntax in all cfgs</li>
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<li><a href="692ac99c69"><code>692ac99</code></a> Format PR 2337 with rustfmt</li>
<li><a href="86161ce15f"><code>86161ce</code></a> Adjust spacing in some macro matchers</li>
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Bumps [serde](https://github.com/serde-rs/serde) from 1.0.148 to 1.0.149.
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Submitting this as a draft for feedback/second opinions. This draft contains some changes to the documentation.
Quick Overview:
- Potential `Boa` header for Boa's crates added to `boa_engine`.
- Changes the wording to a lot of module headers (See `builtins` module and `object/builtins` module).
- Updating built-in wrapper's code examples to use `?` operator.
- Adds the doc logo URL to a few crates that didn't have it.
The main idea of this draft is to move away from the "This module implements" wording as it feels a bit duplicative when listed under the Modules section (mainly focusing around changes in `boa_engine` to start).
While working on this, I had a question about whether we should be using JavaScript or ECMAScript in the Boa's documentation. We do seem to currently use both, and this draft uses JavaScript heavily in the wording.
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.147 to 1.0.148.
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<li>Support <code>remote</code> derive for generic types that have private fields (<a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/2327">#2327</a>)</li>
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<li><a href="50354c2d0b"><code>50354c2</code></a> Improve error message on remote derive duplicate generics</li>
<li><a href="c4f67e679f"><code>c4f67e6</code></a> Add ui test of duplicate generics in remote derive</li>
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<li><a href="37021910c9"><code>3702191</code></a> Fix Into conversion involving generic remote derive with getter</li>
<li><a href="7328b34810"><code>7328b34</code></a> Add test of generic remote derive with getter</li>
<li><a href="fabbd2b097"><code>fabbd2b</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/serde/issues/2329">#2329</a> from dtolnay/safety</li>
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This Pull Request restructures the lint deny/warn/allow lists in `boa_ast` and fixes some clippy lints in the crate.
The most relevant change should be in `boa_ast/src/lib.rs`. I went trough all the lints that are available in rustc/rustdoc/clippy with the goal to have most in the deny list, either trough groups or individually. Some clippy lints remain allowed, because they trigger false positives (I fixed them as far as possible).
I'm interested in how everyone feels about denying most lints, as it may impact individual development workflows. If we agree on how we want to structure this, I will apply the restructured lists to all other creates aswell.
This Pull Request offers a fuzzer which is capable of detecting faults in the parser and interner. It does so by ensuring that the parsed AST remains the same between a parsed source and the result of parsing the `to_interned_string` result of the first parsed source.
It changes the following:
- Adds a fuzzer for the parser and interner.
Any issues I raise in association with this fuzzer will link back to this fuzzer.
You may run the fuzzer using the following commands:
```bash
$ cd boa_engine
$ cargo +nightly fuzz run -s none parser-idempotency
```
Co-authored-by: Addison Crump <addison.crump@cispa.de>
This PR rewrites all syntax-directed operations that find declared names and variables using visitors.
Hopefully, this should be the last step before finally being able to separate the parser from the engine.
I checked the failing [tests](85373b4ce1/test/language/statements/for-await-of/async-gen-decl-dstr-obj-prop-elem-target-yield-expr.js (L49)) and they're apparently false positives, since they return `Promise { <rejected> ReferenceError: x is not initialized }` on the main branch.
This Pull Request updates the codebase to the newest version of rustc (1.65.0).
It changes the following:
- Bumps `rust-version` to 1.65.0.
- Rewrites some snippets to use the new let else, ok_or_else and some other utils.
- Removes the `rustdoc::missing_doc_code_examples` allow lint from our codebase. (Context: https://github.com/rust-lang/rust/pull/101732)
This Pull Request fixes#1805.
It changes the following:
- Implement async arrow function parsing and execution.
- Handle special case when a function expressions binding identifier need to be bound in the function body.
- Implement special silent ignored assignment for the above case.
- Fix issue with getting the correct promise capability for function returns.
- Complete function object `toString` todo.
I will fix the two failing assignmenttargettype tests in a follow up PR.
This Pull Request replaces `contains`, `contains_arguments`, `has_direct_super` and `function_contains_super` with visitors. (~1000 removed lines!)
Also, the new visitor implementation caught a bug where we weren't setting the home object of async functions, generators and async generators for methods of classes, which caused a stack overflow on `super` calls, and I think that's pretty cool!
Next is `var_declared_names`, `lexically_declared_names` and friends, which will be on another PR.
This should hopefully improve our compilation times, both from a clean build and from an incremental compilation snapshot.
Next would be the parser, but it imports `Context`, so it'll require a bit more work.
The number of file changes is obviously big, but almost nothing was changed, I just moved everything to another crate and readjusted the imports of the `parser` module. (Though, I did have to change some details, because there were some functions on the ast that returned `ParseError`s, and the tests had to be moved to the parser)
Iban Eguia Moraza
raskad
José Julián Espina
Veera
dependabot[bot]
Kevin
Addison Crump