This removes all the calls to `unwrap()` in the codebase, which made me found a couple of places where it wasn't needed, and could be improved. I also noticed we don't have dependabot updates for the test262 submodule and the interner dependencies, so I added those.
I added lints so that no new unwraps are added.
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.78 to 1.0.79.
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<h2>v1.0.79</h2>
<ul>
<li>Allow <code>RawValue</code> deserialization to propagate <code>\u</code> escapes for unmatched surrogates, which can later by deserialized to Vec<u8> (<a href="https://github-redirect.dependabot.com/serde-rs/json/issues/830">#830</a>, thanks <a href="https://github.com/lucacasonato"><code>@lucacasonato</code></a>)</li>
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<li><a href="7025523603"><code>7025523</code></a> Release 1.0.79</li>
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<li><a href="977975ee65"><code>977975e</code></a> Ignore buggy ptr_arg clippy lint</li>
<li><a href="aa78d6ca4e"><code>aa78d6c</code></a> Resolve needless_borrow clippy lint</li>
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This PR adds some Clippy lints. Mainly, it adds the list of pedantic lints excluding some lints that were causing too many warnings. I also denied some useful restriction and pedantic lints, to make sure we use `Self` all the possible times (for better maintainability), and that we pass elements by reference where possible, for example, or that the documentation is properly written.
This might even have some small performance gains.
I also added a perfect hash function for the CLI keywords, which should be more efficient than a `HashSet`. This is something we could use elsewhere too.
Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.76 to 1.0.78.
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<h2>v1.0.78</h2>
<ul>
<li>Support deserializing as <code>&RawValue</code> in map key position, which would previously fail with <em>"invalid type: newtype struct"</em> (<a href="https://github-redirect.dependabot.com/serde-rs/json/issues/851">#851</a>)</li>
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<h2>v1.0.77</h2>
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<li>Include discord invite links in the published readme</li>
<li>Improve compile error on compiling with neither <code>std</code> nor <code>alloc</code> feature enabled</li>
<li>Include integration tests in published package (<a href="https://github-redirect.dependabot.com/serde-rs/json/issues/578">#578</a>)</li>
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<li><a href="98cafacefe"><code>98cafac</code></a> Release 1.0.78</li>
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<li><a href="cbb0342ba0"><code>cbb0342</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/json/issues/851">#851</a> from serde-rs/rawkey</li>
<li><a href="e5cdfcc7ee"><code>e5cdfcc</code></a> Support deserializing map key as &RawValue</li>
<li><a href="6a3fb68979"><code>6a3fb68</code></a> Add test of deserializing a &RawValue in map key position</li>
<li><a href="d8512af496"><code>d8512af</code></a> Release 1.0.77</li>
<li><a href="5fe9bdd356"><code>5fe9bdd</code></a> Improve error on compiling with neither std nor alloc</li>
<li><a href="4c15649318"><code>4c15649</code></a> Include integration tests in published package</li>
<li><a href="71257c5667"><code>71257c5</code></a> Add discord invite links</li>
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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="97e92a3755"><code>97e92a3</code></a> v0.3.26</li>
<li><a href="2bdd6b49ad"><code>2bdd6b4</code></a> Clarification on maintenance since clap v3 is out</li>
<li><a href="2736281a64"><code>2736281</code></a> Upgrade heck</li>
<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>
<li><a href="ffd4772156"><code>ffd4772</code></a> Typo</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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<li><a href="d541381455"><code>d541381</code></a> Deserialize small numbers as integers in arbitrary_precision</li>
<li><a href="0ca5a69d73"><code>0ca5a69</code></a> Add regression test for issue 845</li>
<li><a href="66919777d0"><code>6691977</code></a> Disable buggy iter_not_returning_iterator lint</li>
<li><a href="aebe84cb09"><code>aebe84c</code></a> Raise toolchain version for preserve_order to rust 1.46</li>
<li><a href="3f459308f5"><code>3f45930</code></a> Set miriflags once for whole miri job</li>
<li><a href="c79d9ad2e1"><code>c79d9ad</code></a> Run miri also with some features enabled</li>
<li><a href="58d40de6ed"><code>58d40de</code></a> Release 1.0.74</li>
<li><a href="ef7794f87f"><code>ef7794f</code></a> Detect warnings in CI</li>
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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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<li><a href="aaaf125f0b"><code>aaaf125</code></a> Disable TcpStream test on miri</li>
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<li><a href="c3eddcdf40"><code>c3eddcd</code></a> Collect imports to top of test suite</li>
<li><a href="a28529ddc9"><code>a28529d</code></a> Skip ui test when running in miri</li>
<li><a href="7db1ea907d"><code>7db1ea9</code></a> Ignore needless_late_init Clippy lint</li>
<li><a href="fc0ca07b10"><code>fc0ca07</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/json/issues/831">#831</a> from serde-rs/from_u32</li>
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Bumps [serde_json](https://github.com/serde-rs/json) from 1.0.71 to 1.0.72.
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<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>Add impl From<Box<RawValue>> for Box<str> (<a href="https://github-redirect.dependabot.com/serde-rs/json/issues/824">#824</a>, thanks <a href="https://github.com/jplatte"><code>@jplatte</code></a>)</li>
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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>
<li><a href="584f47674a"><code>584f476</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/json/issues/821">#821</a> from timothee-haudebourg/get_key_value</li>
<li><a href="1ae5566f01"><code>1ae5566</code></a> Disable <code>get_key_value</code> with older Rust versions.</li>
<li><a href="37fe6b5fa8"><code>37fe6b5</code></a> Add impl From<Box<!-- raw HTML omitted -->> for Box<str></li>
<li><a href="c4b6b97ccb"><code>c4b6b97</code></a> Add <code>Map::get_key_value</code> method.</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="37da27fc77"><code>37da27f</code></a> Merge pull request 822 from deankarn/master</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="5c4f8b2254"><code>5c4f8b2</code></a> Release 1.0.69</li>
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<li><a href="a28b1b1934"><code>a28b1b1</code></a> Merge pull request <a href="https://github-redirect.dependabot.com/serde-rs/json/issues/814">#814</a> from timothee-haudebourg/hash-numbers-only</li>
<li><a href="f53ae31df6"><code>f53ae31</code></a> Use the same hash for +0 and -0.</li>
<li><a href="8b35517540"><code>8b35517</code></a> Revert "Disable broken fuzz build in CI"</li>
<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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Nodes implement CodeGen which generates instructions onto a stack held in Context.
The VM will interpret the instructions from Context.
There are some issues:
- Only basic instructions are added, but I'm working off https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey/Internals/Bytecode for now it should be easy to add more in.
- The Stack is a Vec, this isn't ideal (we may be able to live with it for now) but the stack should really be a fixed sized array. This isn't possible because Value can't be copied in there as it holds Rc and Gc values. Can we have fixed-sized Values that hold a pointer? Something like the "stackvec" crate should help
- put all VM related code behind "vm" feature flag
Co-authored-by: Jason Williams <jwilliams720@bloomberg.net>
Co-authored-by: Halid Odat <halidodat@gmail.com>
Iban Eguia
dependabot[bot]
Jason Williams
João Borges
Jevan Chan