* Remove direct conversion from `&str` to `JsValue`/`PropertyKey`.
* Allow unused static strings
* Introduce DHAT to benchmark data usage
* Create new release profile
* Fix docs
* Find roots when running GC
Attempt to address the issue #2773.
The existing implementation had an expensive overhead of managing root
counts, especially for mutable borrow of GcRefCell.
Instead of managing the root counts, this change counts the number of
Gc/WeakGc handles located in Gc heap objects and total number of them.
Then, we can find whether there is a root by comparing those numbers.
* Fix clippy errors
* Keep reference counts in Box
* Addressing comment
* Fix clippy errors
* Fix typo
* non_root_count includes mark bit
* give a space
Bumps [syn](https://github.com/dtolnay/syn) from 2.0.14 to 2.0.15.
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<h2>2.0.15</h2>
<ul>
<li>Ensure <code>Type::Tuple</code> of length 1 prints as a tuple even if trailing comma is not provided in the Punctuated (<a href="https://redirect.github.com/dtolnay/syn/issues/1444">#1444</a>, thanks <a href="https://github.com/Fancyflame"><code>@Fancyflame</code></a>)</li>
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<li><a href="03e4f217bd"><code>03e4f21</code></a> fix TypeTuple::to_tokens may result in TypeParen</li>
<li><a href="0f78bdf2eb"><code>0f78bdf</code></a> Update test suite to nightly-2023-04-13</li>
<li><a href="6536786900"><code>6536786</code></a> Ignore unnecessary_box_returns pedantic clippy lint</li>
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Bumps [syn](https://github.com/dtolnay/syn) from 2.0.13 to 2.0.14.
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Bumps [syn](https://github.com/dtolnay/syn) from 2.0.12 to 2.0.13.
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<li><a href="ac5f15d09a"><code>ac5f15d</code></a> Release 2.0.13</li>
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Bumps [syn](https://github.com/dtolnay/syn) from 2.0.11 to 2.0.12.
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<li><a href="07601a83cc"><code>07601a8</code></a> Use <code>core</code> instead of <code>std</code></li>
<li><a href="710908453b"><code>7109084</code></a> Qualify <code>compile_error!</code></li>
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This Pull Request closes#1975. It's still a work in progress, but tries to go in that direction.
It changes the following:
- Adds a new `TryFromJs` trait, that can be derived using a new `boa_derive` crate.
- Adds a new `try_js_into()` function that, similarly to the standard library `TryInto` trait
Things to think about:
- Should the `boa_derive` crate be re-exported in `boa_engine` using a `derive` feature, similar to how it's done in `serde`?
- The current implementation only converts perfectly valid values. So, if we try to convert a big integer into an `i8`, or any floating point number to an `f32`. So, you cannot derive `TryFromJs` for structures that contain an `f32` for example (you can still manually implement the trait, though, and decide in favour of a loss of precision). Should we also provide some traits for transparent loss of precision?
- Currently, you cannot convert between types, so if the JS struct has an integer, you cannot cast it to a boolean, for example. Should we provide a `TryConvertJs` trait, for example to force conversions?
- Currently we only have basic types and object conversions. Should add `Array` to `Vec` conversion, for example, right? Should we also add `TypedArray` conversions? What about `Map` and `Set`? Does this step over the fine grained APIs that we were creating?
Note that this still requires a bunch of documentation, tests, and validation from the dev team and from the users that requested this feature. I'm particularly interested in @lastmjs's thoughts on this API.
I already added an usage example in `boa_examples/src/bin/derive.rs`.
Co-authored-by: jedel1043 <jedel0124@gmail.com>
Bumps [synstructure](https://github.com/mystor/synstructure) from 0.12.6 to 0.13.0.
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Co-authored-by: jedel1043 <jedel0124@gmail.com>
Bumps [syn](https://github.com/dtolnay/syn) from 2.0.10 to 2.0.11.
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<li><a href="c58aceb0b1"><code>c58aceb</code></a> Release 2.0.11</li>
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<li><a href="0b7da9641c"><code>0b7da96</code></a> Improve error message on empty parens inside parse_nested_meta</li>
<li><a href="02961800aa"><code>0296180</code></a> Update test suite to nightly-2023-03-28</li>
<li><a href="e19a0fbfe1"><code>e19a0fb</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/syn/issues/1425">#1425</a> from dtolnay/alert</li>
<li><a href="dffe82b26e"><code>dffe82b</code></a> Perform build-time alerts in test suite using build-alert crate</li>
<li><a href="85d086ff09"><code>85d086f</code></a> Expose a way to fuzz with span-locations</li>
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Bumps [syn](https://github.com/dtolnay/syn) from 2.0.8 to 2.0.10.
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<li><a href="64ed2b1b19"><code>64ed2b1</code></a> Disallow visibility and defaultness on macro call in trait item position</li>
<li><a href="a33ffa388a"><code>a33ffa3</code></a> Fix parsing of const, async, unsafe, and extern fns inside impl block</li>
<li><a href="94439aae5f"><code>94439aa</code></a> Restore lookahead peek for better error message</li>
<li><a href="275d368069"><code>275d368</code></a> Release 2.0.9</li>
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Bumps [syn](https://github.com/dtolnay/syn) from 2.0.3 to 2.0.8.
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<h2>2.0.8</h2>
<ul>
<li>Treat <code>try</code> keyword as 2015-edition identifier in definition of try macro (<a href="https://redirect.github.com/dtolnay/syn/issues/1422">#1422</a>)</li>
</ul>
<h2>2.0.7</h2>
<ul>
<li>Fix parsing of <code>mut self</code> inside of Type::BareFn</li>
</ul>
<h2>2.0.6</h2>
<ul>
<li>Improve error message on missing ';' between statements (<a href="https://redirect.github.com/dtolnay/syn/issues/1419">#1419</a>)</li>
<li>Keep non-brace macro invocations in trailing expr position as Expr::Macro (<a href="https://redirect.github.com/dtolnay/syn/issues/1420">#1420</a>)</li>
</ul>
<h2>2.0.5</h2>
<ul>
<li>Expose <code>ExprMacro</code> data structure even when <code>features="full"</code> is not used (<a href="https://redirect.github.com/dtolnay/syn/issues/1417">#1417</a>)</li>
</ul>
<h2>2.0.4</h2>
<ul>
<li>Improve error reporting when parsing identifiers and paths (<a href="https://redirect.github.com/dtolnay/syn/issues/1415">#1415</a>, <a href="https://redirect.github.com/dtolnay/syn/issues/1416">#1416</a>)</li>
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<li><a href="2fea56f57a"><code>2fea56f</code></a> Release 2.0.8</li>
<li><a href="40aa291011"><code>40aa291</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/syn/issues/1422">#1422</a> from dtolnay/trymacro</li>
<li><a href="f3a4a4c0c1"><code>f3a4a4c</code></a> Treat try keyword as 2015 ident in definition of try macro</li>
<li><a href="b862eff8aa"><code>b862eff</code></a> Release 2.0.7</li>
<li><a href="e6b1bdfc29"><code>e6b1bdf</code></a> Disallow consecutive path separator in use paths</li>
<li><a href="8ae37b75d6"><code>8ae37b7</code></a> Fix duplicated name of mut self bare fn arg</li>
<li><a href="78401020ba"><code>7840102</code></a> Release 2.0.6</li>
<li><a href="e76d6441fd"><code>e76d644</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/syn/issues/1420">#1420</a> from dtolnay/nonbracemacro</li>
<li><a href="6dcc48070f"><code>6dcc480</code></a> Keep non-brace macro invocations in trailing expr position as Expr::Macro</li>
<li><a href="d12db40c49"><code>d12db40</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/syn/issues/1419">#1419</a> from dtolnay/expectedsemi</li>
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This Pull Request fixes/closes #2700. It updates the `syn` dependency to v2.
I had to activate the "full" feature in order to make have the tuple elements available in `boa_macros/src/lib.rs` line 81. Maybe we could look for a different way of doing this (didn't spend time on it), to avoid activating all features of `syn`.
Bumps [quote](https://github.com/dtolnay/quote) from 1.0.25 to 1.0.26.
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<li><a href="ca98b6594a"><code>ca98b65</code></a> Release 1.0.26</li>
<li><a href="bf9bca9668"><code>bf9bca9</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/quote/issues/247">#247</a> from dtolnay/wrongspan</li>
<li><a href="d67f6ffb80"><code>d67f6ff</code></a> Ignore intentional unused_self pedantic clippy lint</li>
<li><a href="8931b2a8b4"><code>8931b2a</code></a> Improve error message on incorrectly typed span</li>
<li><a href="51bb1e7e9e"><code>51bb1e7</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/quote/issues/246">#246</a> from dtolnay/spaninfer</li>
<li><a href="f3f7140ee2"><code>f3f7140</code></a> Fix compatibility with rustc pre-1.46</li>
<li><a href="76b38b23de"><code>76b38b2</code></a> Alternative approach with private types</li>
<li><a href="3eb1954293"><code>3eb1954</code></a> Help span argument of quote_spanned get inferred to Span</li>
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Bumps [quote](https://github.com/dtolnay/quote) from 1.0.23 to 1.0.25.
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<li><a href="7f1119f992"><code>7f1119f</code></a> Generalize quote_spanned to accept DelimSpan as span</li>
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<li><a href="98661253b9"><code>9866125</code></a> Split wildcard re-export in runtime module into private and public</li>
<li><a href="5c776cb030"><code>5c776cb</code></a> Release 1.0.24</li>
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<li><a href="d8551a930d"><code>d8551a9</code></a> Merge pull request <a href="https://redirect.github.com/dtolnay/quote/issues/237">#237</a> from dtolnay/delim</li>
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Bumps [syn](https://github.com/dtolnay/syn) from 1.0.108 to 1.0.109.
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Bumps [syn](https://github.com/dtolnay/syn) from 1.0.107 to 1.0.108.
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<li><a href="01f69e937c"><code>01f69e9</code></a> Release 1.0.108</li>
<li><a href="62d0aeda48"><code>62d0aed</code></a> stricter parsing of string_continue escapes</li>
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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>
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 PR changes the following:
- Modifies `EphemeronBox` to be more akin to `GcBox`, with its own header, roots and markers. This also makes it more similar to [Racket's](https://docs.racket-lang.org/reference/ephemerons.html) implementation.
- Removes `EPHEMERON_QUEUE`.
- Ephemerons are now tracked on a special `weak_start` linked list, instead of `strong_start` which is where all other GC boxes live.
- Documents all unsafe blocks.
- Documents our current garbage collection algorithm. I hope this'll clarify a bit what exactly are we doing on every garbage collection.
- Renames/removes some functions.
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 [syn](https://github.com/dtolnay/syn) from 1.0.105 to 1.0.107.
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<h2>1.0.106</h2>
<ul>
<li>Documentation improvements</li>
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Bumps [quote](https://github.com/dtolnay/quote) from 1.0.21 to 1.0.23.
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<li><a href="6f42f3cac4"><code>6f42f3c</code></a> Fix renamed let_underscore_drop lint</li>
<li><a href="b2e30cc11d"><code>b2e30cc</code></a> MIT copyright line</li>
<li><a href="efc9b69178"><code>efc9b69</code></a> Ui test changes for trybuild 1.0.66</li>
<li><a href="1e2b19847e"><code>1e2b198</code></a> Raise minimum tested toolchain to rust 1.56</li>
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