This builds on top of #1758 to try to bring #1763 to life.
Something that should probably be done here would be to convert `JsString` to a `Sym` internally. Then, further optimizations could be done adding common strings to a custom interner type (those that we know statically).
This is definitely work in progress, but I would like to have feedback on the API, and feel free to contribute.
Co-authored-by: raskad <32105367+raskad@users.noreply.github.com>
This Pull Request is part of #279.
It adds a string interner to Boa, which allows many types to not contain heap-allocated strings, and just contain a `NonZeroUsize` instead. This can move types to the stack (hopefully I'll be able to move `Token`, for example, maybe some `Node` types too.
Note that the internet is for now only available in the lexer. Next steps (in this PR or future ones) would include also using interning in the parser, and finally in execution. The idea is that strings should be represented with a `Sym` until they are displayed.
Talking about display. I have changed the `ParseError` type in order to not contain anything that could contain a `Sym` (basically tokens), which might be a bit faster, but what is important is that we don't depend on the interner when displaying errors.
The issue I have now is in order to display tokens. This requires the interner if we want to know identifiers, for example. The issue here is that Rust doesn't allow using a `fmt::Formatter` (only in nightly), which is making my head hurt. Maybe someone of you can find a better way of doing this.
Then, about `cursor.expect()`, this is the only place where we don't have the expected token type as a static string, so it's failing to compile. We have the option of changing the type definition of `ParseError` to contain an owned string, but maybe we can avoid this by having a `&'static str` come from a `TokenKind` with the default values, such as "identifier" for an identifier. I wanted for you to think about it and maybe we can just add that and avoid allocations there.
Oh, and this depends on the VM-only branch, so that has to be merged before :)
Another thing to check: should the interner be in its own module?
Bumps [structopt](https://github.com/TeXitoi/structopt) from 0.3.25 to 0.3.26.
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<li><a href="358cccf9af"><code>358cccf</code></a> [docs] Add output to all examples</li>
<li><a href="4c1a8fcb2f"><code>4c1a8fc</code></a> Link to the clap API in the documentation that says all clap methods can be used</li>
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Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.73 to 1.0.75.
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This Pull Request fixes some warnings and clips errors. It conflicts with the VM/non-VM PR, so should probably go in first, so that this branch gets properly updated and we get the list of real warnings/errors there.
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.131 to 1.0.132.
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Bumps [once_cell](https://github.com/matklad/once_cell) from 1.8.0 to 1.9.0.
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Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.72 to 1.0.73.
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Bumps [serde_yaml](https://github.com/dtolnay/serde-yaml) from 0.8.21 to 0.8.23.
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This PR fixes some vm implementation code. All our internal tests should now pass with the vm enabled.
There are only a few (~100) 262 tests left that currently break with the vm, that previously worked.
Bumps [serde](https://github.com/serde-rs/serde) from 1.0.130 to 1.0.131.
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Previously when we had the `context.throw_` methods (like `context.thtrow_type_error()`) they were limited as to where we could call them, e.i. a function that returned `JsResult<JsValue>`. So we had to call the `context.construct_` methods with an explicit `Err()` enum wrap to throw in functions that returned non-jsvalues (which happens a lot).
Now, with this PR the throw methods have a generic `JsResult<R>` return that can return in any `JsResult<T>` returning function. Which cleans the API and makes the user experience a bit better.
```rust
return Err(context.construct_type_error("..."));
// to
return context.throw_type_error("...");
```
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.71 to 1.0.72.
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<h2>v1.0.72</h2>
<ul>
<li>Interpret <code>\u</code>-encoded lone surrogates when deserializing into a byte string (<a href="https://github-redirect.dependabot.com/serde-rs/json/issues/828">#828</a>, <a href="https://github-redirect.dependabot.com/serde-rs/json/issues/829">#829</a>, thanks <a href="https://github.com/lucacasonato"><code>@lucacasonato</code></a>)</li>
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<li><a href="76e376c8d1"><code>76e376c</code></a> Release 1.0.72</li>
<li><a href="77915ebaa6"><code>77915eb</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/json/issues/829">#829</a> from serde-rs/surrogate</li>
<li><a href="265fb7ee40"><code>265fb7e</code></a> Move discard of expected byte immediately after peek</li>
<li><a href="142207623a"><code>1422076</code></a> Rearrange the early return on lone or encoded surrogate</li>
<li><a href="311f185d8e"><code>311f185</code></a> Use binary mask to line up visually with the bits being |'d in</li>
<li><a href="11d3464f1c"><code>11d3464</code></a> Extract common logic of surrogate encode</li>
<li><a href="cb4a2517b2"><code>cb4a251</code></a> Document why the parse_escape recursion is not dangerous</li>
<li><a href="7911e704a0"><code>7911e70</code></a> Tail recurse on parse_escape</li>
<li><a href="48dad22b3f"><code>48dad22</code></a> Collapse surrogate encode into extend_from_slice call</li>
<li><a href="683832a343"><code>683832a</code></a> Touch up doc changes from PR 828</li>
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Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.70 to 1.0.71.
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<li><a href="dee8161ce5"><code>dee8161</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/json/issues/824">#824</a> from jplatte/box-raw-value-to-underlying</li>
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Bumps [git2](https://github.com/rust-lang/git2-rs) from 0.13.23 to 0.13.24.
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<li><a href="6f3905dcc8"><code>6f3905d</code></a> Bump versions</li>
<li><a href="979d2d542a"><code>979d2d5</code></a> Mark <code>OdbReader</code> and <code>OdbWriter</code> <code>Send</code> (<a href="https://github-redirect.dependabot.com/rust-lang/git2-rs/issues/765">#765</a>)</li>
<li><a href="33b14ce7f1"><code>33b14ce</code></a> Make <code>Odb</code> <code>Send</code> and <code>Sync</code> (<a href="https://github-redirect.dependabot.com/rust-lang/git2-rs/issues/763">#763</a>)</li>
<li><a href="494964727f"><code>4949647</code></a> Consistently derive Copy, Clone, Debug, PartialEq, and Eq for types (<a href="https://github-redirect.dependabot.com/rust-lang/git2-rs/issues/764">#764</a>)</li>
<li><a href="2afab9f084"><code>2afab9f</code></a> Derive <code>Debug</code> for <code>IndexEntry</code>, <code>IndexTime</code>, and <code>Time</code> (<a href="https://github-redirect.dependabot.com/rust-lang/git2-rs/issues/762">#762</a>)</li>
<li><a href="4461b171f6"><code>4461b17</code></a> Add binding for <code>git_message_trailers</code> (<a href="https://github-redirect.dependabot.com/rust-lang/git2-rs/issues/749">#749</a>)</li>
<li><a href="43486948d5"><code>4348694</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/rust-lang/git2-rs/issues/756">#756</a> from saimen/fix-diffstat-doc-typo</li>
<li><a href="37f581a8c6"><code>37f581a</code></a> Fix <code>DiffStat</code> doc typo</li>
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Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.69 to 1.0.70.
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<li><a href="a050481b85"><code>a050481</code></a> Release 1.0.70</li>
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<li><a href="debd7d07fc"><code>debd7d0</code></a> remove duplicate function</li>
<li><a href="9e36f611db"><code>9e36f61</code></a> Update build.rs</li>
<li><a href="68d3b45c97"><code>68d3b45</code></a> fix function signature</li>
<li><a href="29a58a3077"><code>29a58a3</code></a> don't include indexmap retain without BTreeMap retain</li>
<li><a href="eaa1a319c0"><code>eaa1a31</code></a> fix no_btreemap_retain name</li>
<li><a href="09c5892433"><code>09c5892</code></a> test order</li>
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Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.68 to 1.0.69.
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<li><a href="f53ae31df6"><code>f53ae31</code></a> Use the same hash for +0 and -0.</li>
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<li><a href="d12fbb9520"><code>d12fbb9</code></a> Fix <code>NaN</code> typo.</li>
<li><a href="48393aba40"><code>48393ab</code></a> Better justification for the use of <code>f64::to_bits</code></li>
<li><a href="9046e3fa86"><code>9046e3f</code></a> Avoid <code>Self::</code> for older Rust versions.</li>
<li><a href="c3ac6c0077"><code>c3ac6c0</code></a> Manual implementation of <code>Number</code>'s <code>PartialEq</code>.</li>
<li><a href="10655c7639"><code>10655c7</code></a> Use <code>core::hash</code> instead of <code>std::hash</code>.</li>
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<!---
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information as you feel neccesary.
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Hi, first time contributor :)
I was playing with getting the test262 test runner working and found a couple small things that I thought would've made my life a bit easier. I've split them into separate commits. Just let me know if you disagree with any and we can drop that commit. And of course, let me know of any changes you'd like to see :)
The changes are:
- Adds details to the documentation on the `--suite` command to `boa_tester`. I was trying to pass a path starting with `./test262/` for a bit before I looked at the code and saw what it was doing.
- Changes the individual test output when verbosity is > 1. Because the tests are run in parallel, the "Result" line for a given test was frequently not immediately after the "Started" line. This made it hard to determine which test had failed. The new output includes the test name in the result line, and also changes the format of all the individual-test-output lines to begin with the test name.
- Adds a `--disable-parallelism` flag. Even with the adjustments to the test output, it was still a bit hard to follow. Running serially for small sub-suites produces output that can be more easily scanned IMO. I added this as a "disable" flag (as opposed to "enable parallelism") in order to maintain the current default of running in parallel.
Co-authored-by: Grant Orndorff <grant@orndorff.me>
This PR adds conformance results for the VM branch both for PRs and for the conformance results in GitHub pages (even if these are not currently being shown). I'm not 100% sure how this will really work, as I'm not very used to the syntax to concatenate strings.
Co-authored-by: João Borges <rageknify@gmail.com>
Co-authored-by: RageKnify <RageKnify@gmail.com>
* Add strict mode flag to `Context`
* Add strict mode handling of `delete`
* Add strict mode test
* Handle non-strict functions in strict functions
* Enable strict mode for functions defined in a strict context
Iban Eguia
dependabot[bot]
RageKnify
Jason Williams
raskad
Halid Odat
Grant Orndorff
praveenbakkal
Bartek Iwańczuk