Commit graph

709 commits

Author SHA1 Message Date
overlookmotel
b5ed58e237 refactor(span): all methods take owned Span (#8297)
`Span` is `Copy` and 8 bytes. There is no point in the extra indirection of passing `&Span` to functions (`&Span` is also 8 bytes).
2025-01-18 01:47:09 +00:00
overlookmotel
bfd0b0da17 ci(benchmark): make lexer benchmark more realistic (#8573)
The lexer benchmarks had a problem. The lexer alone cannot make sense of regexp literals, template literals, or JSX text elements - it needs the parser "driving" it.

So lexer was producing plenty of errors on some benchmarks. This is unrealistic - when driven by the parser, the lexer produces no errors. Generating diagnostics is relatively expensive, so this was skewing the benchmarks somewhat.

Solve this by cleaning up the input source text to replace these syntaxes with string literals prior to running the benchmarks.

Unfortunately lexer benchmarks don't exercise the code paths for these syntaxes, but there isn't much we can do about that. We can judge by the parser benchmarks, which are the more important ones anyway.
2025-01-18 01:47:07 +00:00
Boshen
c479a58718
feat(napi/parser): expose dynamic import expressions (#8540)
closes #8369
2025-01-16 22:25:22 +08:00
overlookmotel
2857ae15cd refactor(parser): refactor visitor in regexp example (#8524)
Refactor visitor in example to use `visit_*` methods instead of `enter_node`. This is our recommended style as it's more performant.
2025-01-16 02:40:29 +00:00
oxc-bot
3e05055783
release(crates): v0.46.0 (#8487)
## [0.46.0] - 2025-01-14

- 7eb6ccd ast: [**BREAKING**] Remove unused and not useful `ContentHash`
(#8483) (Boshen)

### Features

- 8accfef minifier: Minify `var x; void x` -> `void 0` (#8466) (Boshen)
- 870a583 minifier: Fold `false['toString']` (#8447) (Boshen)
- 4ad695d napi/minify: Implement napi (#8478) (Boshen)
- 9d550aa span: Add `Atom::r#static` (#8479) (_Kerman)

### Bug Fixes

- 4071878 isolated-declarations: Retain `declare` declarations when they
are exported (#8477) (Dunqing)
- 7ee7634 isolated-declarations: Import statement disappears when import
binding is referenced in nested `typeof` (#8476) (Dunqing)
- 7252cb0 isolated-declarations: Unexpected error when global `Symbol`
as property key (#8475) (Dunqing)
- 4c6675c minifier: Do not convert while to fors in DCE (#8484) (Boshen)
- 1d6e84d minifier: Fix incorrect `null.toString()` and `1n.toString()`
(#8464) (Boshen)
- 25d4bf9 minifier: Remove usage of empty spans (#8462) (Boshen)
- dd64340 minifier: Keep `return undefined` in async generator function
(#8439) (Boshen)
- c444de8 transformer/arrow-functions: Transform `this` and `super`
incorrectly in async arrow function (#8435) (Dunqing)
- 270245f transformer/typescript: Correct the semantic for
TSImportEqualsDeclaration transformation (#8463) (Dunqing)
- 2a400d6 transformer/typescript: Retain TSImportEqualsDeclaration when
it is exported (Dunqing)
- ab694b0 transformer/typescript: Retain `TSImportEqualsDeclaration` in
`namespace` when its binding has been referenced or
`onlyRemoveTypeImports` is true (#8458) (Dunqing)

### Performance

- 7a8200c mangler: Allocate base54 name without heap allocation (#8472)
(Boshen)
- 31dac22 mangler: Allocate data in arena (#8471) (Boshen)
- 8fc238a minifier: Merge `Normalize` and `RemoveSyntax` pass (#8467)
(Boshen)
- 372eb09 minifier: Preallocate mangler's semantic data (#8451) (Boshen)

### Refactor

- 6e64eef codegen: Remove `match_expression!` (#8450) (Boshen)
- de5b288 span: Rename `Atom::new_const` method (#8480) (overlookmotel)
- c83ce5c transformer/typescript: Improve transforming namespace (#8459)
(Dunqing)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
2025-01-14 19:40:44 +08:00
oxc-bot
01722f34ff
release(crates): v0.45.0 (#8434)
## [0.45.0] - 2025-01-11

- 7f69561 ast: [**BREAKING**] `oxc_ast` do not export `BigUint` (#8428)
(overlookmotel)

- d8b27af ast: [**BREAKING**] No unneccesary trailing underscores on
`AstBuilder` method names (#8283) (overlookmotel)

- 5106088 ast: [**BREAKING**] Remove `FromIn<Expression> for Statement`
(#8280) (overlookmotel)

### Features

- 6c7acac allocator: Implement `IntoIterator` for `&mut Vec` (#8389)
(overlookmotel)
- 3212bcd ast_tools: Ignore `raw` field of `NumericLiteral` and
`StringLiteral` in `ContentEq` (#8417) (Boshen)
- ad146bb codegen: Print real newline when `\n` is inside template
literals (#8178) (Boshen)
- 41ddf60 minfier: Add `CompressOptions::target` (#8179) (Boshen)
- d56020b minifier: Drop `0` from `new Int8Array(0)` and other
TypedArrays (#8431) (sapphi-red)
- f935d94 minifier: Remove `new` from NativeErrors / `AggregateError`
(#8430) (sapphi-red)
- dab7a51 minifier: Minimize not `!(x === undefined)` -> `x !==
undefined` (#8429) (Boshen)
- 0e7bab8 minifier: Remove `if(false){}` in a single pass (#8421)
(Boshen)
- 5b5b844 minifier: Fold `ambiguous if else` (#8415) (Boshen)
- 438a6e7 minifier: Minimize conditions in boolean context (#8381)
(Boshen)
- 793cb43 minifier: `a != null ? a : b` -> `a ?? b` (#8352) (camc314)
- 814da55 minifier: Compress `x = x || 1` to `x ||= 1` (#8368)
(sapphi-red)
- a596821 minifier: Compress `a.b = a.b + c` to `a.b += c` (#8367)
(sapphi-red)
- 579eb60 minifier: Compress `a.b || (a.b = c)` to `a.b ||= c` (#8366)
(sapphi-red)
- f367a16 minifier: Port esbuild conditional expr minification (#8351)
(camc314)
- 8d52cd0 minifier: Merge assign expression in conditional expression
(#8345) (sapphi-red)
- a69d15f minifier: Compress `new Array(2)` -> `[,,]` (#8344)
(sapphi-red)
- 819c475 minifier: Compress `new Array(7n)` -> `[7n]` (#8343)
(sapphi-red)
- e085d66 minifier: Remove empty IIFE (#8340) (Boshen)
- 2c2e483 minifier: Fold object spread `({ ...null })` -> `({})` (#8339)
(Boshen)
- 6220e05 minifier: Remove empty if statment `if (test) {}` -> `test`
(#8336) (Boshen)
- a76dfae minifier: Remove label statement with empty body (#8333)
(Boshen)
- e88a6bd minifier: Minimize `!0 + null !== 1` -> `!0 + null != 1`
(#8332) (Boshen)
- ec88c68 minifier: Compress `a || (a = b)` to `a ||= b` (#8315)
(sapphi-red)
- e6fe84d minifier: Compress `a = a + b` to `a += b` (#8314)
(sapphi-red)
- 9ea4e31 minifier: Remove `new` from `new Error`/`new Function`/`new
RegExp` (#8313) (sapphi-red)
- 051fbb6 minifier: Minimize `x["0"]` -> x[0] (#8316) (Boshen)
- a542013 minifier: Minimize `do{}while(true)` -> `do;while(true)`
(#8311) (Boshen)
- e3ff81e minifier: Minimize `(x = 1) === 1` -> `(x = 1) == 1` (#8310)
(Boshen)
- 4b68cc0 minifier: Minimize empty `try` statement (#8309) (Boshen)
- 922c514 minifier: Fold `.toString()` (#8308) (Boshen)
- 66a2443 minifier: Minify sequence expressions (#8305) (camc314)
- af65c36 minifier: Minimize double negated binary expressions (#8304)
(camc314)
- 76c778b minifier: Remove logical nots when arg is a delete expression
(#8303) (camc314)
- 5ed439b minifier: Minify typeof in binary expressions (#8302)
(camc314)
- 6afc590 minifier: Compress typeof addition string (#8301) (camc314)
- ecc789f minifier: Fold `if(x >> y == 0){}` -> `if(!(x >> y)){}`
(#8277) (Boshen)
- 0e3b79a minifier: Fold `String()` -> `''`, `Number()` -> `false`
(#8274) (Boshen)
- c9cf593 minifier: Compress property key `{[1]: _}` -> {1: _} (#8272)
(Boshen)
- b92b2ab minifier: Fold `BigInt(1n)` -> `1n` (#8270) (Boshen)
- a4df387 minifier: Compress loose equals undefined (#8268) (camc314)
- f000596 minifier: Minify call expressionsto `Number` (#8267) (camc314)
- 092aeaf minifier: Flatten spread args in call expressions (#8266)
(camc314)
- 04ec38d minifier: Remove unused arrow function expressions (#8262)
(camc314)
- e446c15 minifier: Improve minimizing unary not expressions (#8261)
(camc314)
- 7f19211 minifier: Minimize unary expression statements (#8256)
(camc314)
- cec63e2 minifier: `{}` evals to `f64::NaN` (Boshen)
- 4d8a08d minifier: Improve constant evaluation (#8252) (Boshen)
- e84f267 minifier: Compress more property keys (#8253) (Boshen)
- d1224f9 minifier: Improve minimizing conditional expressions (#8251)
(camc314)
- 65f46f5 minifier: Constant fold `String.fromCharCode` (#8248) (Boshen)
- bd8d677 minifier: Minimize `~undefined`, `~null`, `~true`, `~false`
(#8247) (Boshen)
- f73dc9e minifier: Constant fold `'x'.toString()` and `true.toString()`
(#8246) (Boshen)
- fd5af73 minifier: Minimize `Number` constructor (#8245) (Boshen)
- 2f52f33 minifier: Minsize `!!!foo ? bar : baz` -> `foo ? baz : bar`
(#8244) (Boshen)
- ccdc039 minifier: Always put literals on the rhs of equal op `1==x` =>
`x==1` (#8240) (Boshen)
- 39353b2 minifier: Improve minimizing conditionals (#8238) (Cameron)
- c90fc16 minifier: Restore conditional minification and fix edge case
(#8235) (camc314)
- 6c8ee9f minifier: Remove last redundant `return` statement (#8234)
(Boshen)
- 51f4792 minifier: Minimize `foo ? foo : bar` and `foo ? bar : foo`
(#8229) (Boshen)
- 6e2ec17 minifier: Statement fusion switch cases; improved minimize
exit poitns (#8228) (Boshen)
- 574a242 minifier: Minimize all variants of `typeof x == 'undefined'`
(#8227) (Boshen)
- 2041477 minifier: Fold `if(x)return;y` -> `if(!x)y` (#8226) (Boshen)
- 9c1afa4 minifier: Optional catch binding when catch param is unused
(#8221) (Boshen)
- 4a29845 minifier: Add `ConvertToDottedProperties` (#8212) (Boshen)
- 2786dea minifier: Add `RemoveUnusedCode` (#8210) (Boshen)
- cd274ee minifier: Minimize logical exprs (#8209) (Cameron)
- 4ae15df minifier: Imprve more conditional expr minification with
boolean lit (#8208) (camc314)
- 3202b4f minifier: Imprve conditional expr minification with boolean
lit (#8207) (camc314)
- 3b45011 minifier: Handle conditional expr with boolean lit (#8206)
(camc314)
- 4c2059a minifier: Reverse negated conditional exprs (#8205) (camc314)
- 4804933 minifier: Add `MinimizeExitPoints` and ExploitAssigns`
boilerplate (#8203) (Boshen)
- bf266e1 minifier: Try collapse conditional to logical or expr (#8197)
(Cameron)
- 06e1780 minifier: Improve `StatementFusion` (#8194) (Boshen)
- 42e211a minifier: Only constant fold numbers when result is smaller
(#8092) (Boshen)
- d0de560 minifier: Change `NaN` to `f64::NAN` (#8191) (Boshen)
- cef8eb8 minifier: Change `foo?.['bar']` to `foo?.bar` (#8176) (翠 /
green)
- 8149e34 minifier: Optional catch binding when es target >= es2019
(#8180) (Boshen)
- fc43ec5 minifier: Fold `string.length` / `array.length` (#8172)
(sapphi-red)
- 29dc0dc minifier: Change `foo['bar']` -> foo.bar (#8169) (Boshen)
- 3c5718d minifier: Fold `typeof foo == undefined` into `foo ==
undefined` when possible (#8160) (翠 / green)
- f3a36e1 minifier: Fold `typeof foo != "undefined"` into `typeof foo <
"u"` (#8159) (翠 / green)
- 37c9959 minifier: Normalize `Infinity` into `f64::Infinity` (#8148)
(Boshen)
- 8fb71f5 minifier: Minify string `PropertyKey` (#8147) (Boshen)
- 6615e1e minifier: Constant fold `instanceof` (#8142) (翠 / green)
- 2b2a373 minifier: Minimize `a + 'b' + 'c'` -> `a + 'bc'` (#8137)
(Boshen)
- 213364a minifier: Minimize `if (x) if (y) z` -> `if (x && y) z`
(#8136) (Boshen)
- 6b51e6d minifier: Minimize `if(foo) bar else baz` -> `foo ? bar : baz`
(#8133) (Boshen)
- f615bfa minifier: Minimize `if (x) return; return 1` -> `return x ?
void 0 : 1` (#8130) (Boshen)
- f0b1ee5 minifier: Minimize `if(!x) foo()` -> `x || foo()` (#8122)
(Boshen)
- f8200a8 minifier: Minimize `if(foo) bar` -> `foo && bar` (#8121)
(Boshen)
- 72d9967 minifier: Add `Normalize` ast pass (#8120) (Boshen)
- fef0b25 minifier: Collapse `var` into for loop initializer (#8119)
(Boshen)
- 2331ea8 minifier: `typeof foo === 'number'` => `typeof foo ==
'number'` (#8112) (Boshen)
- ad9a0a9 mininifier: Minimize variants of `a instanceof b == true`
(#8241) (Boshen)
- 2da4365 parser: Missing initializer in destructuring declaration
inside for loop head (#8222) (Boshen)
- 55744fd semantic: Allow getting mutable reference to symbols table
(#8189) (Max Stoumen)
- 0592a8b transformer/class-properties: Transform private in expression
(#8202) (Dunqing)
- ad77ad5 transformer/class-properties: Transform static/instance
accessor methods (#8132) (Dunqing)
- e405f79 transformer/class-properties: Transform static private method
invoking (#8117) (Dunqing)
- 3303e99 transformer/class-properties: Insert statements after
statement of class expression (#8116) (Dunqing)
- 0cc71cf transformer/class-properties: Transform super expressions and
identifiers that refers to class binding in private method (#8106)
(Dunqing)
- 58ed832 transformer/class-properties: Transform private field
expression which invokes private method (#8102) (Dunqing)
- f14567a transformer/class-properties: Transform callee which invokes
private method (#8100) (Dunqing)
- 13349ef transformer/class-properties: Transform private methods
(#8099) (Dunqing)

### Bug Fixes

- eb25bc0 allocator: Fix lifetimes on `IntoIterator` for `Vec` (#8388)
(overlookmotel)
- 97a7992 ast: Fix `ContentEq` and `ContentHash` impls for literal types
(#8426) (overlookmotel)
- a1752a0 codegen: Fix incorrect minified `return 1n` output (#8374)
(Boshen)
- 5a648bc codegen: Fix white space issue with do statements (#8348)
(Boshen)
- b6d16f4 codegen: Print parenthesis on negative bigint lit when
neccessary (#8258) (camc314)
- 8ed9766 codegen: Source map builder panicked because it attempted to
subtract with overflow in `search_original_line_and_column` (#8185)
(Dunqing)
- ad61e70 codegen: Print if else without block with proper indentation
(#8135) (Boshen)
- 74572de ecmascript: Incorrect `to_int_32` value for Infinity (#8144)
(翠 / green)
- e1f8ea4 lexer: `Source` is not `Clone` (#8294) (overlookmotel)
- 5c63414 mangler: Keep exported symbols for `top_level: true` (#7927)
(翠 / green)
- 3c93549 minifier: Dce if statement should keep side effects and vars
(#8433) (Boshen)
- 52f88c0 minifier: Rotate associative operators to make it more
idempotent (#8424) (camc314)
- a80460c minifier: Correctly set `self.changed` when minimizing if
stmts (#8420) (camc314)
- d4ca8d4 minifier: `!!x` is not idempotent in `RemoveDeadCode` (#8419)
(Boshen)
- 357b61d minifier: Do not minify `Object.defineProperty` in sequence
expressions (#8416) (Boshen)
- 0efc845 minifier: `+0n` produces `TypeError` (#8410) (Boshen)
- 7ce6a7c minifier: `a in b` has error throwing side effect (#8406)
(Boshen)
- 2f3a9dc minifier: Cannot transform property key `#constructor` (#8405)
(Boshen)
- c0a3dda minifier: `instanceof` has error throwing side effect (#8378)
(Boshen)
- 5516f7f minifier: Do not fold object comparisons (#8375) (Boshen)
- cb098c7 minifier: Computed property key `prototype` cannot be changed
(#8373) (Boshen)
- 82ee77e minifier: Do not remove shadowned `undefined` in return
statement (#8371) (Boshen)
- f87da16 minifier: Do not fold literals in `-0 != +0` (#8278) (Boshen)
- 62a2644 minifier: Handle arrow fn expressions correctly in
`is_in_boolean_context` (#8260) (camc314)
- d2f8eaa minifier: Fix panic in `peephole_minimize_conditions` (#8242)
(Boshen)
- a698def minifier: Fix incorrect return value for `(x ? true : y)`
(#8233) (Boshen)
- 05be1fc minifier: Remove incorrect fold
`Expression::AssignmentExpression` (#8211) (Boshen)
- 56b7f13 minifier: Do not constant fold `0 instanceof F` (#8199)
(Boshen)
- 75d5f17 minifier: Minify string `PropertyKey` (#8177) (sapphi-red)
- f88acb3 parser: Allow line breaks between `const` and `enum` (#8193)
(branchseer)
- 79a8fc6 semantic: Report error for super property appearing in
function body (#8376) (Dunqing)
- 79af100 semantic: Reference flags not correctly resolved when after an
export stmt (#8134) (camc314)
- 3eaff2a transformer: Ensure last expression statement in arrow
function expression is wrapped in return (#8192) (Dunqing)
- 3feac27 transformer/arrow-functions: Outer `super()` in nested class
(#8382) (Dunqing)
- 335065d transformer/arrow-functions: Do not transform super that
inside nested non-async method (#8335) (Dunqing)
- e4d66e4 transformer/arrow-functions: Store `super_methods` on a
`Stack` to fix nested async methods (#8331) (Dunqing)
- 775a289 transformer/arrow-functions: `_this = this` should be inserted
after super call expression (#8024) (Dunqing)
- ac72adb transformer/private-methods: Fix panic if instance private
accessor in class (#8362) (overlookmotel)
- f1f129b transformer/private-methods: Create brand binding `var` in
hoist scope (#8361) (overlookmotel)
- ab61425 transformer/private-methods: No temp var for class when unused
private methods (#8360) (overlookmotel)
- 9a03bd2 transformer/typescript: Remove type-only `import =` when
`only_remove_type_imports` is true (#8275) (Dunqing)
- 0df1866 transformer/typescript: Create `Reference` for `require`
(#8355) (overlookmotel)
- 78d7c97 transformer/typescript: Create `Reference` for `Infinity`
(#8354) (overlookmotel)
- 2e7207f transformer/typescript: Should strip import specifiers type
with `only_remove_type_imports` (#8141) (underfin)

### Performance

- 07edf74 transformer/arrow-function: Stop traversal at function as
super() can't appear in a nested function (#8383) (Dunqing)
- 62e3f7e transformer/arrow-functions: Reduce size of inlined visitor
(#8322) (overlookmotel)
- aebe0ea transformer/arrow-functions: Use `NonEmptyStack` instead of
`Stack` (#8318) (overlookmotel)

### Documentation

- c8e4843 ast: Fix doc comment (#8286) (overlookmotel)
- e0a09ab data_structures: Improve docs for stack types (#8356)
(overlookmotel)
- aaa009d minifier: Clarify assumptions for compressor (#8404) (翠 /
green)
- 05cba5b transformer/private-methods: Amend comments (#8398)
(overlookmotel)

### Refactor

- b29655f ast: Rearrange impls for literal types in same order as they
are defined (#8425) (overlookmotel)
- 0db2a22 ast: `AstBuilder` enum builder methods use `alloc_*` methods
(#8281) (overlookmotel)
- aea9551 ast: Simplify `get_identifier_reference` of `TSType` and
`TSTypeName` (#8273) (Dunqing)
- 9c1844a data_structures: Remove `NonNull` shim (#8423) (overlookmotel)
- 1835687 ecmascript: Remove unnecessary `use` statement (#8284)
(overlookmotel)
- 64bfdfe lexer: Tighten safety of lexer by always including lifetime on
`SourcePosition` (#8293) (overlookmotel)
- 0344e98 lexer: Make `handle_byte` a method of `Lexer` (#8291)
(overlookmotel)
- fabf116 lexer: Replace `#[allow]` with `#[expect]` (#8289)
(overlookmotel)
- 0462edb lexer: Rename function param (#8288) (overlookmotel)
- fb2acd8 minifier: Change minimize conditionals into a loop (#8413)
(Boshen)
- baaec60 minifier: Remove the buggy `??` transform (#8411) (Boshen)
- 1c4658d minifier: Change ast passes order, `!in_fixed_loop` happen
last (#8380) (Boshen)
- 09f0f48 minifier: Remove the buggy `minimize_exit_points`
implementation (#8349) (Boshen)
- 9a5c66a minifier: Clean up (#8346) (Boshen)
- 98f2b1c minifier: Clean up `peephole_substitute_alternate_syntax`
(#8327) (Boshen)
- fc662b7 minifier: Handle big int values later (#8324) (Boshen)
- d16e598 minifier: Clean up `peephole_replace_known_methods` (#8306)
(Boshen)
- b8d26ea minifier: Move optional catch param to
peephole_substitute_alternate_syntax (#8282) (Boshen)
- 0845162 minifier: Clean up `ReplaceKnownMethods` (Boshen)
- 7c7f5d7 minifier: Clean up `peephole_fold_constants` (Boshen)
- bf0fbce minifier: Improve constant fold numbers (#8239) (Boshen)
- 62f8fba minifier: Move all conditional minification logic to
minimze_conditions (#8231) (camc314)
- cfb51f2 minifier: Fuse ast passes (#8184) (Boshen)
- bf9cafe minifier: Clean up `peephole_substitute_alternate_syntax` a
little bit (Boshen)
- 75264ed minifier: Clean up `try_optimize_block` (#8139) (Boshen)
- c22062b minifier: Cleanup peephole_minimize_conditions (#8114)
(Boshen)
- e594c39 minifier: Clean up `peephole_substitute_alternate_syntax.rs`
(#8111) (Boshen)
- 0903501 semantic: Check super usage based on scope (#8377) (Dunqing)
- 109b8fc transformer: Elide lifetimes where possible (#8285)
(overlookmotel)
- fb389f7 transformer/arrow-function: Create a new ident instead of
clone (#8338) (Dunqing)
- dddbd29 transformer/arrow-functions: Reorder assertions (#8386)
(overlookmotel)
- ce6c445 transformer/arrow-functions: Add TODO comments (#8328)
(overlookmotel)
- 73d0025 transformer/arrow-functions: Reduce repeated code (#8323)
(overlookmotel)
- 3dd08e9 transformer/arrow-functions: Do not inline non-trivial visitor
method (#8321) (overlookmotel)
- ea9cefb transformer/arrow-functions: Reorder visitor methods (#8320)
(overlookmotel)
- 37199a4 transformer/arrow-functions: Rename lifetime (#8319)
(overlookmotel)
- 57e9dcf transformer/arrow-functions: Shorten `AstBuilder` call (#8317)
(overlookmotel)
- a5e3528 transformer/async-to-generator: Pass `TraverseCtx` to function
not `AstBuilder` (#8279) (overlookmotel)
- e7c89ba transformer/class-properties: TODO comments (#8392)
(overlookmotel)
- 6790d1d transformer/class-properties: Simplify determining if class is
declaration (#8357) (overlookmotel)
- c786a13 transformer/class-properties: Share
`replace_class_name_with_temp_var` in class_properties (#8105) (Dunqing)
- f54f48e transformer/class-properties: Remove all `*_if_super` methods
in `static_block_and_prop_init` (#8104) (Dunqing)
- d82fb52 transformer/class-properties: Move `supers` to
`super_converter` (#8103) (Dunqing)
- 3dad85e transformer/private-methods: Remove unnecessary clone (#8400)
(overlookmotel)
- aa5e65f transformer/private-methods: Simplify finding parent statement
of class expression (#8364) (overlookmotel)
- c786fd1 transformer/private-methods: TODO comments (#8363)
(overlookmotel)

### Styling

- 4d2888d lexer: Reorder imports (#8290) (overlookmotel)
- e81f34f span: Reformat code (#8296) (overlookmotel)
- 45e2402 transformer/private-methods: Move comments (#8399)
(overlookmotel)
- 0a1ffc0 transformer/private-methods: Rename var (#8397)
(overlookmotel)

### Testing

- 16dcdaf lexer: Assert size of `Token` in 32-bit WASM (#8292)
(overlookmotel)
- 3149fe0 minifier: Add anonymous function test case for logical
expression to logical assignment compression (#8347) (sapphi-red)
- 91b42de minifier: Enable some passing tests (#8250) (camc314)
- 1fa5341 minifier: Port tests from ConvertToDottedPropertiesTest
(#8175) (sapphi-red)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
2025-01-11 22:34:31 +08:00
renovate
772b71c838 chore(deps): update dependency rust to v1.84.0 (#8391)
This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [rust](https://redirect.github.com/rust-lang/rust) | minor | `1.83.0` -> `1.84.0` |

---

### Release Notes

<details>
<summary>rust-lang/rust (rust)</summary>

### [`v1.84.0`](https://redirect.github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1840-2025-01-09)

[Compare Source](https://redirect.github.com/rust-lang/rust/compare/1.83.0...1.84.0)

\==========================

<a id="
Language"></a>

## Language

-   [Allow `#[deny]` inside `#[forbid]` as a no-op](https://redirect.github.com/rust-lang/rust/pull/121560/)
-   [Show a warning when `-Ctarget-feature` is used to toggle features that can lead to unsoundness due to ABI mismatches](https://redirect.github.com/rust-lang/rust/pull/129884)
-   [Use the next-generation trait solver in coherence](https://redirect.github.com/rust-lang/rust/pull/130654)
-   [Allow coercions to drop the principal of trait objects](https://redirect.github.com/rust-lang/rust/pull/131857)
-   [Support `/` as the path separator for `include!()` in all cases on Windows](https://redirect.github.com/rust-lang/rust/pull/125205)
-   [Taking a raw ref (`raw (const|mut)`) of a deref of a pointer (`*ptr`) is now safe](https://redirect.github.com/rust-lang/rust/pull/129248)
-   [Stabilize s390x inline assembly](https://redirect.github.com/rust-lang/rust/pull/131258)
-   [Stabilize Arm64EC inline assembly](https://redirect.github.com/rust-lang/rust/pull/131781)
-   [Lint against creating pointers to immediately dropped temporaries](https://redirect.github.com/rust-lang/rust/pull/128985)
-   [Execute drop glue when unwinding in an `extern "C"` function](https://redirect.github.com/rust-lang/rust/pull/129582)

<a id="1.84.0-Compiler"></a>

## Compiler

-   [Add `--print host-tuple` flag to print the host target tuple and affirm the "target tuple" terminology over "target triple"](https://redirect.github.com/rust-lang/rust/pull/125579)
-   [Declaring functions with a calling convention not supported on the current target now triggers a hard error](https://redirect.github.com/rust-lang/rust/pull/129935)
-   [Set up indirect access to external data for `loongarch64-unknown-linux-{musl,ohos}`](https://redirect.github.com/rust-lang/rust/pull/131583)
-   [Enable XRay instrumentation for LoongArch Linux targets](https://redirect.github.com/rust-lang/rust/pull/131818)
-   [Extend the `unexpected_cfgs` lint to also warn in external macros](https://redirect.github.com/rust-lang/rust/pull/132577)
-   [Stabilize WebAssembly `multivalue`, `reference-types`, and `tail-call` target features](https://redirect.github.com/rust-lang/rust/pull/131080)
-   [Added Tier 2 support for the `wasm32v1-none` target](https://redirect.github.com/rust-lang/rust/pull/131487)

<a id="1.84.0-Libraries"></a>

## Libraries

-   [Implement `From<&mut {slice}>` for `Box/Rc/Arc<{slice}>`](https://redirect.github.com/rust-lang/rust/pull/129329)
-   [Move `<float>::copysign`, `<float>::abs`, `<float>::signum` to `core`](https://redirect.github.com/rust-lang/rust/pull/131304)
-   [Add `LowerExp` and `UpperExp` implementations to `NonZero`](https://redirect.github.com/rust-lang/rust/pull/131377)
-   [Implement `FromStr` for `CString` and `TryFrom<CString>` for `String`](https://redirect.github.com/rust-lang/rust/pull/130608)
-   [`std::os::darwin` has been made public](https://redirect.github.com/rust-lang/rust/pull/123723)

<a id="1.84.0-Stabilized-APIs"></a>

## Stabilized APIs

-   [`Ipv6Addr::is_unique_local`](https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.is_unique_local)
-   [`Ipv6Addr::is_unicast_link_local`](https://doc.rust-lang.org/stable/core/net/struct.Ipv6Addr.html#method.is_unicast_link_local)
-   [`core::ptr::with_exposed_provenance`](https://doc.rust-lang.org/stable/core/ptr/fn.with_exposed_provenance.html)
-   [`core::ptr::with_exposed_provenance_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.with_exposed_provenance_mut.html)
-   [`<ptr>::addr`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.addr)
-   [`<ptr>::expose_provenance`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.expose_provenance)
-   [`<ptr>::with_addr`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.with_addr)
-   [`<ptr>::map_addr`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.map_addr)
-   [`<int>::isqrt`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.isqrt)
-   [`<int>::checked_isqrt`](https://doc.rust-lang.org/stable/core/primitive.i32.html#method.checked_isqrt)
-   [`<uint>::isqrt`](https://doc.rust-lang.org/stable/core/primitive.u32.html#method.isqrt)
-   [`NonZero::isqrt`](https://doc.rust-lang.org/stable/core/num/struct.NonZero.html#impl-NonZero%3Cu128%3E/method.isqrt)
-   [`core::ptr::without_provenance`](https://doc.rust-lang.org/stable/core/ptr/fn.without_provenance.html)
-   [`core::ptr::without_provenance_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.without_provenance_mut.html)
-   [`core::ptr::dangling`](https://doc.rust-lang.org/stable/core/ptr/fn.dangling.html)
-   [`core::ptr::dangling_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.dangling_mut.html)

These APIs are now stable in const contexts

-   [`AtomicBool::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicBool.html#method.from_ptr)
-   [`AtomicPtr::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicPtr.html#method.from_ptr)
-   [`AtomicU8::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU8.html#method.from_ptr)
-   [`AtomicU16::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU16.html#method.from_ptr)
-   [`AtomicU32::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU32.html#method.from_ptr)
-   [`AtomicU64::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicU64.html#method.from_ptr)
-   [`AtomicUsize::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicUsize.html#method.from_ptr)
-   [`AtomicI8::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI8.html#method.from_ptr)
-   [`AtomicI16::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI16.html#method.from_ptr)
-   [`AtomicI32::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI32.html#method.from_ptr)
-   [`AtomicI64::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicI64.html#method.from_ptr)
-   [`AtomicIsize::from_ptr`](https://doc.rust-lang.org/stable/core/sync/atomic/struct.AtomicIsize.html#method.from_ptr)
-   [`<ptr>::is_null`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.is_null-1)
-   [`<ptr>::as_ref`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.as_ref-1)
-   [`<ptr>::as_mut`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.as_mut)
-   [`Pin::new`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.new)
-   [`Pin::new_unchecked`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.new_unchecked)
-   [`Pin::get_ref`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_ref)
-   [`Pin::into_ref`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.into_ref)
-   [`Pin::get_mut`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_mut)
-   [`Pin::get_unchecked_mut`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.get_unchecked_mut)
-   [`Pin::static_ref`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.static_ref)
-   [`Pin::static_mut`](https://doc.rust-lang.org/stable/core/pin/struct.Pin.html#method.static_mut)

<a id="1.84.0-Cargo"></a>

## Cargo

-   [Stabilize MSRV-aware resolver config](https://redirect.github.com/rust-lang/cargo/pull/14639/)
-   [Stabilize resolver v3](https://redirect.github.com/rust-lang/cargo/pull/14754/)

<a id="1.84-Rustdoc"></a>

## Rustdoc

-   [rustdoc-search: improve type-driven search](https://redirect.github.com/rust-lang/rust/pull/127589)

<a id="1.84.0-Compatibility-Notes"></a>

## Compatibility Notes

-   [Enable by default the `LSX` target feature for LoongArch Linux targets](https://redirect.github.com/rust-lang/rust/pull/132140)
-   [The unstable `-Zprofile` flag (“gcov-style” coverage instrumentation) has been removed.](https://redirect.github.com/rust-lang/rust/pull/131829) This does not affect the stable flags for coverage instrumentation (`-Cinstrument-coverage`) and profile-guided optimization (`-Cprofile-generate`, `-Cprofile-use`), which are unrelated and remain available.
-   Support for the target named `wasm32-wasi` has been removed as the target is now named `wasm32-wasip1`. This completes the [transition](https://redirect.github.com/rust-lang/compiler-team/issues/607) [plan](https://redirect.github.com/rust-lang/compiler-team/issues/695) for this target following [the introduction of `wasm32-wasip1`](https://redirect.github.com/rust-lang/rust/pull/120468) in Rust 1.78. Compiler warnings on [use of `wasm32-wasi`](https://redirect.github.com/rust-lang/rust/pull/126662) introduced in Rust 1.81 are now gone as well as the target is removed.
-   [The syntax `&pin (mut|const) T` is now parsed as a type which in theory could affect macro expansion results in some edge cases](https://redirect.github.com/rust-lang/rust/pull/130635#issuecomment-2375462821)
-   [Legacy syntax for calling `std::arch` functions is no longer permitted to declare items or bodies (such as closures, inline consts, or async blocks).](https://redirect.github.com/rust-lang/rust/pull/130443#issuecomment-2445678945)
-   The `wasm32-unknown-emscripten` target's binary release of the standard library is now [built with the latest emsdk 3.1.68](https://redirect.github.com/rust-lang/rust/pull/131533), which fixes an ABI-incompatibility with Emscripten >= 3.1.42. If you are locally using a version of emsdk with an incompatible ABI (e.g. before 3.1.42 or a future one), you should build your code with `-Zbuild-std` to ensure that `std` uses the correct ABI.
-   [Declaring functions with a calling convention not supported on the current target now triggers a hard error](https://redirect.github.com/rust-lang/rust/pull/129935)
-   [The next-generation trait solver is now enabled for coherence, fixing multiple soundness issues](https://redirect.github.com/rust-lang/rust/pull/130654)

</details>

---

### Configuration

📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - "before 11am on monday" in timezone Asia/Shanghai.

🚦 **Automerge**: Enabled.

♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR was generated by [Mend Renovate](https://mend.io/renovate/). View the [repository job log](https://developer.mend.io/github/oxc-project/oxc).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiIzOS45Mi4wIiwidXBkYXRlZEluVmVyIjoiMzkuOTIuMCIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOltdfQ==-->
2025-01-09 18:11:17 +00:00
overlookmotel
6c7acac72e feat(allocator): implement IntoIterator for &mut Vec (#8389)
Implement `IntoIterator` for `&mut Vec` like `std::vec::Vec` does. This allows shorter and more idiomatic syntax.

Before:

```rs
for item in object.collection.iter_mut() {
  // ...
}
```

After:

```rs
for item in &mut object.collection {
  // ...
}
```
2025-01-09 15:32:16 +00:00
overlookmotel
e1f8ea41ad fix(lexer): Source is not Clone (#8294)
It's an invariant of `Source` that only a single instance of `Source` can exist at any time. `Source` was erroneously implementing `Clone`, which makes it trivial to break this invariant. `Clone` is unnecessary, so remove it.
2025-01-07 06:58:26 +00:00
overlookmotel
64bfdfe223 refactor(lexer): tighten safety of lexer by always including lifetime on SourcePosition (#8293)
Always use `SourcePosition<'a>` not `SourcePosition`, to ensure not reading from a `Source` with a `SourcePosition` which is from *another* `Source`. This doesn't definitively guard against UB - that is the job of `UniquePromise` - but it adds another level of defence.
2025-01-07 06:58:24 +00:00
overlookmotel
16dcdaf6cd test(lexer): assert size of Token in 32-bit WASM (#8292)
`Token` should be 16 bytes in WASM too. Enable this test on 32-bit platforms.
2025-01-07 06:58:23 +00:00
overlookmotel
0344e98c99 refactor(lexer): make handle_byte a method of Lexer (#8291)
Pure refactor. `handle_byte` was a free function. Make it a method of `Lexer` instead - more idiomatic.
2025-01-07 06:58:22 +00:00
overlookmotel
4d2888d6fc style(lexer): reorder imports (#8290)
Re-order imports in lexer.
2025-01-06 19:57:59 +00:00
overlookmotel
fabf116f4b refactor(lexer): replace #[allow] with #[expect] (#8289)
Pure refactor. Replace `#[allow]` with `#[expect]` in lexer, and remove various `#[allow]`s which were unnecessary.
2025-01-06 18:01:16 +00:00
overlookmotel
0462edbe7e refactor(lexer): rename function param (#8288)
Pure refactor. Rename unused function param. This results in better param name hint in IDE.
2025-01-06 17:33:09 +00:00
Boshen
2da4365fbe feat(parser): missing initializer in destructuring declaration inside for loop head (#8222)
closes #8220
2025-01-02 14:02:49 +00:00
branchseer
f88acb331b
fix(parser): allow line breaks between const and enum (#8193)
https://www.typescriptlang.org/play/?ts=5.7.2#code/MYewdgzgLgUApmArgWwAQEFUG8C+Mg
2024-12-31 08:45:17 +08:00
oxc-bot
5a1311e76c
release(crates): v0.44.0 (#8110)
## [0.44.0] - 2024-12-25

- ad2a620 ast: [**BREAKING**] Add missing
`AssignmentTargetProperty::computed` (#8097) (Boshen)

### Features

- c2daa20 ast: Add `Expression::into_inner_expression` (#8048)
(overlookmotel)
- 618b6aa codege: Minify whitespace in object getter / setter (#8080)
(Boshen)
- 4727667 codegen: Minify arrow expr `(x) => y` -> `x => y` (#8078)
(Boshen)
- 0562830 codegen: Minify string with backtick when needed (#8095)
(Boshen)
- 6237c05 codegen: Minify more whitespace (#8089) (Boshen)
- 6355b7c codegen: Minify `export { 's' as 's' }` -> `export { 's' }`
(#8093) (Boshen)
- fccfda9 codegen: Minify `class{static[computed]}` (#8088) (Boshen)
- f873139 codegen: Minify `for (_ of [])` -> `for(_ of[])` (#8086)
(Boshen)
- 8b8cbcd codegen: Minify `case "foo"` -> `case"foo"` (#8085) (Boshen)
- 414c118 codegen: Minify `yield "s"` -> `yield"s"` (#8084) (Boshen)
- f8f067b codegen: Minify class method `async*fn(){}` (#8083) (Boshen)
- 1d5ae81 codegen: Minify `const [foo] = bar` -> `const[foo]=bar`
(#8079) (Boshen)
- e3f78fb codegen: `new Foo()` -> `new Foo` when minify (#8077) (Boshen)
- d84d60a codegen: Minify numbers with large exponents (#8074) (Boshen)
- 373279b codegen: Balance string quotes when minify whitespace (#8072)
(Boshen)
- 5397fe9 minifier: Constant fold `undefined?.bar` -> `undefined`
(#8075) (Boshen)
- 1932f1e minifier: Fold `foo === undefined || foo === null` (#8063) (翠
/ green)
- 11c4bd8 span: Implement source type `{file basename}.d.{extension}.ts`
(#8109) (Boshen)
- be4feb4 syntax: Add `SymbolId::new` method (#8041) (overlookmotel)
- e632a7b transformer: Remove typescript symbols after transform (#8069)
(Boshen)

### Bug Fixes

- bdc241d codegen: Disallow template literals in object property key
(#8108) (Boshen)
- 728ed20 codegen: Print `yield * ident` correctly (Boshen)
- b605baa minifier: Constant fold strings with tab char (#8096) (Boshen)
- de82492 parser: Report syntax errors for missing constructor
implementations (#8081) (camc314)
- 55d6eb9 parser: Disallow type parameters on class constructors (#8071)
(injuly)
- be2c60d parser: Parse `import source from from 'mod'` (#8056) (Boshen)
- 708e9cf semantic: Report errors for missing class method impls (#8082)
(camc314)
- 3057686 transformer/class-properties: Unwrap parenthesised expressions
(#8049) (overlookmotel)
- e67cd05 transformer/class-properties: Correctly resolve private fields
pointing to private accessors (#8047) (overlookmotel)
- 6b08c6e transformer/class-properties: Correctly resolve private fields
pointing to private methods (#8042) (overlookmotel)
- 274f117 transformer/nullish-coalescing: Use correct scope id for
binding (#8053) (camc314)

### Performance

- 78d2e83 sourcemap: Improve perf of `search_original_line_and_column`
(#7926) (Cameron)

### Refactor

- 7110c7b codegen: Add `print_quoted_utf16` and `print_unquoted_utf16`
methods (#8107) (Boshen)
- 8b54d89 minifier: Remove parens must happen on enter (#8060) (Boshen)
- 7cb84f3 minifier: Only minify on ast node exit (#8059) (Boshen)
- 77d845a minifier: Fuse DCE AST passes (#8058) (Boshen)
- 6123f5e minifier: Fold statements on exit (#8057) (Boshen)
- cbd5169 transformer/class-properties: Do not recreate private field if
not transforming it (#8044) (overlookmotel)
- 98e8a72 transformer/class-properties: Do not take mut ref when immut
ref will do (#8040) (overlookmotel)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
2024-12-25 21:03:09 +08:00
Boshen
ad2a620d61 fix(ast)!: add missing AssignmentTargetProperty::computed (#8097) 2024-12-24 13:27:00 +00:00
injuly
55d6eb9507
fix(parser): disallow type parameters on class constructors (#8071)
TypeScript does not allow type parameters on constructors:

```ts
class A {
  constructor<T>(t: T) {} // <- should be an error
}
```

Here's a comparison snippet on:
1. [TypeScript
playground](https://www.typescriptlang.org/play/?#code/MYGwhgzhAECC0G8BQ1XWAewHYQC4CcBXYXDfAHlgD4AKASkSRTQF8kWg)
(syntax error).
2. [SWC
playground](https://play.swc.rs/?version=1.10.1&code=H4sIAAAAAAAAA0vOSSwuVnBWqOZSUEjOzysuKSpNLskvsgmx09BUqFao5aoFAOf92%2FAiAAAA&config=H4sIAAAAAAAAA1WPSw7DIAwF9zkF8rrbdtE79BCIOhERP9mOVBTl7oUE0maH3xszsA5KwcwGnmotxzIkTYx0ziXhHER%2FSgKSE7IhmwRuvRWu1agd4x5tRwOiaUKpW8j3hoOLkbHjLfM22DH%2FC030iZD5ClZUh8nhVTc0Jfj4XvayfaQ%2B9tA%2F4Ad12XkxWH71TaEFh%2B0LYuVI0xQBAAA%3D)
(syntax error)
3. [OXC
playground](https://playground.oxc.rs/#eNo9T8EKwjAM/ZWSk8IOKngpInjxCzx66Wo2Cl0zkk4do/9u6+guyXshL+9lAQsarDci6qaWZ1DKUpDIk43El8d1t1+nSpWaniFBAwR6AZ5CaTKHaL6gswQb8C7EisXSiBuZh5Z8ZZFNkI54AN0ZL5gaGA0Lcr6YcblS8bb6H0A03GO2AJTT4XiGvGHphT2WMJkMLrjOVXH+JTL5u6dPEb+RW5KcaTVN6QerbleM)
(parses as valid syntax)

This PR makes OXC behave exactly like `tsc`, with a little test case.
Happy holidays!

---------

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>
2024-12-24 07:38:39 +08:00
Boshen
be2c60dd10 fix(parser): parse import source from from 'mod' (#8056) 2024-12-21 10:20:14 +00:00
oxc-bot
d69de3629d
release(crates): v0.43.0 (#8054)
## [0.43.0] - 2024-12-21

- de4c772 traverse: [**BREAKING**] Rename `Ancestor::is_via_*` methods
to `is_parent_of_*` (#8031) (overlookmotel)

- ed75e42 semantic: [**BREAKING**] Make SymbolTable fields `pub(crate)`
instead of `pub` (#7999) (Boshen)

### Features

- 75b775c allocator: `Vec<u8>::into_string` (#8017) (overlookmotel)
- 8547e02 ast: Implement `allocator_api2` for `Allocator` (#8043)
(Boshen)
- 63a95e4 ast: Add `AstBulder::move_property_key` (#7998)
(overlookmotel)
- 897a1a8 transformer/class-properties: Exit faster from super
replacement visitor (#8028) (overlookmotel)
- 3ea4109 transformer/class-properties: Transform super update
expressions within static prop initializer (#7997) (Dunqing)
- cc57db3 transformer/class-properties: Transform super assignment
expressions within static prop initializer (#7991) (Dunqing)
- 6b6444b traverse: Record current block scope (#8007) (overlookmotel)

### Bug Fixes

- 043252d transformer/class-properties: Replace `this` and class name in
static blocks (#8035) (overlookmotel)
- 273795d transformer/class-properties: Run other transforms on static
properties, static blocks, and computed keys (#7982) (overlookmotel)

### Performance

- c0dd3f8 ast: `move_expression` and `move_statement` produce dummy with
no span (#7995) (overlookmotel)
- 862838f codegen: Remove useless to_owned (#8014) (Dunqing)
- 2736657 semantic: Allocate `UnresolvedReferences` in allocator (#8046)
(Boshen)
- 2e8872c semantic: Allocate child scope in allocator (#8045) (Boshen)
- 414e828 semantic: Allocate symbol data in Allocator (#8012) (Boshen)
- 7aebed0 semantic: Allocate `Bindings` in allocator (#8021) (Boshen)
- 0f9308f transformer/react-refresh: Reduce allocations (#8018)
(overlookmotel)
- 0deb9e6 transformer/react-refresh: Reserve capacity in hook key string
(#8016) (overlookmotel)
- 7b70347 transformer/react-refresh: Avoid allocating string in each
hook call (#8013) (Dunqing)

### Documentation

- df5c341 ast: Improve docs for `AstBuilder::move_*` methods (#7994)
(overlookmotel)

### Refactor

- f1adf9f semantic: `ScopeTree::rename_binding` remove old binding first
(#8020) (overlookmotel)
- 02f968d semantic: Change `Bindings` to a plain `FxHashMap` (#8019)
(Boshen)
- e7476a1 semantic: Remove `serialize` (#8015) (Boshen)
- 1cf7b83 semantic: Simplify handling namespace stack (#7987) (Dunqing)
- 48cb52b semantic: Remove resetting `current_reference_flags` in visit
functions (#7986) (Dunqing)
- 3250a47 semantic: Remove unused current_symbol_flags (#7985) (Dunqing)
- efe96ec semantic: Use `Stack` for function stack node ids (#7984)
(Dunqing)
- ac097e9 transformer/class-properties: Rename file (#8036)
(overlookmotel)
- 059a5dd transformer/class-properties: Do not pass `ScopeId` into
`insert_instance_inits` (#8001) (overlookmotel)
- 0a38eea transformer/class-properties: Use `temp_var_name_base` to
generate temp var names for `super` transform (#8004) (overlookmotel)
- d1b7181 transformer/class-properties: Rename var (#8006)
(overlookmotel)
- 5a23d72 transformer/class-properties: Remove outdated comment (#8000)
(overlookmotel)
- b3a5f3e transformer/class-properties: Mark
`transform_assignment_expression_if_super_member_assignment_target` as
inline (#7993) (Dunqing)

### Testing

- bcb33c0 semantic: Add a test for catch parameters reference (#7988)
(Dunqing)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
2024-12-21 15:07:21 +08:00
oxc-bot
3631eed975
release(crates): v0.42.0 (#7983)
## [0.42.0] - 2024-12-18

- 84b75a0 semantic: [**BREAKING**] Remove `ScopeFlags::Modifiers`
(#7935) (overlookmotel)

- c071494 semantic: [**BREAKING**] Remove `SymbolTable::rename` method
(#7868) (overlookmotel)

### Features

- 8b7c5ae ast: Add `AstBuilder::atom_from_cow` (#7974) (overlookmotel)
- 46e2e27 data_structures: Implement `Default` for `NonEmptyStack`
(#7946) (overlookmotel)
- db9e93b mangler: Mangle top level variables (#7907) (翠 / green)
- 075bd16 minifier: Fold bitwise operation (#7908) (翠 / green)
- c16a851 napi/transform: Add `jsx: 'preserve'` option (#7965) (Boshen)
- 81eedb1 parser: 'readonly' type modifier is only permitted on array
and tuple literal types. (#7880) (Boshen)
- b9322c6 semantic: Re-export all flags and ID types (#7886)
(overlookmotel)
- c30a982 span: Add `impl From<ArenaString> for Atom` (#7973)
(overlookmotel)
- 02b653c transformer/class-properties: Do not create temp var for
template literal computed key (#7919) (overlookmotel)
- feac02e transformer/class-properties: Only rename symbols if necessary
(#7896) (overlookmotel)
- 6bc530d transformer/class-properties: Transform super call expression
that is inside static prop initializer (#7831) (Dunqing)
- 53e2bc0 traverse: Add `TraverseScoping::rename_symbol` method (#7871)
(overlookmotel)

### Bug Fixes

- 3659e6d cfg: Include export default code in CFG instructions (#7862)
(Jan Olaf Martin)
- 850dd43 codegen: Missing `,` when generating type parameters with jsx
(#7929) (Dunqing)
- 4799471 minfier: Bigint bitwise operation only works with bigint
(#7937) (Boshen)
- de8a86e minifier: Incorrect minification in `try_fold_left_child_op`
(#7949) (翠 / green)
- 9a30910 oxc_transformer: Inject_global_variables should considering
string imported name (#7768) (IWANABETHATGUY)
- 111dc52 parser: Include export token in spans of
TSNamespaceExportDeclaration (#7963) (branchseer)
- 14c51ff semantic: Remove inherting `ScopeFlags::Modifier` from parent
scope (#7932) (Dunqing)
- 596aead semantic: Reset references flags when resolved (#7923)
(Dunqing)
- 4924073 semantic: `ScopeTree::rename_binding` preserve order of
bindings (#7870) (overlookmotel)
- bb38065 transformer/class-properties: Do not transform `super.prop` in
nested method within static prop initializer (#7978) (overlookmotel)
- e76fbb0 transformer/class-properties: Fix symbol clashes in instance
prop initializers (#7872) (overlookmotel)
- c0576fa transformer/class-properties: Use UID for `args` in created
class constructor (#7866) (overlookmotel)
- d660d8d transformer/optional-chaining: Do not create unused reference
when `noDocumentAll` assumption (#7847) (overlookmotel)
- 4920c6a transformer/optional-chaining: Avoid creating a useless
reference when `noDocumentAll` is true (#7832) (Dunqing)

### Performance

- a5f04a7 ast: Faster `Comment::is_jsdoc` (#7905) (overlookmotel)
- 4b24335 codegen: Improve printing of statement comments (#7857)
(Boshen)
- 71a40a2 codegen: Guard comment printing comments when there are no
comments (#7856) (Boshen)
- b31f123 transformer/class-properties: Do not re-generate same method
key (#7915) (overlookmotel)
- 8ca8fce transformer/class-properties: Reduce work updating scopes when
transforming static prop initializers (#7904) (overlookmotel)
- 80d0b3e transformer/class-properties: Fast path for instance prop
initializer scope re-parenting (#7901) (overlookmotel)
- 38aafa2 transformer/class-properties: Reduce size of
`transform_call_expression_for_super_member_expr` (#7859)
(overlookmotel)

### Documentation

- e49de81 ast: Document `Expression::is_*` methods (#7853)
(overlookmotel)
- 10a86b9 transformer: Fix comments (#7925) (overlookmotel)
- f4cb5d3 transformer: Clarify comment (#7918) (overlookmotel)
- 41a1456 transformer/class-properties: Correct doc comments (#7966)
(overlookmotel)
- 18441af transformer/class-properties: Remove oudated todo for
assignment expression (#7955) (Dunqing)
- 1317c00 transformer/class-properties: Clarify doc comments (#7914)
(overlookmotel)
- 9989b58 transformer/class-properties: Re-order file list in doc
comment (#7911) (overlookmotel)
- 7390048 transformer/class-properties: Reformat doc comment (#7909)
(overlookmotel)

### Refactor

- beb982a ast: Use exhaustive match for `Argument` to
`ArrayExpressionElement` conversion (#7848) (overlookmotel)
- 3858221 global: Sort imports (#7883) (overlookmotel)
- 1314c97 minifier: Expose dce as an API instead of an option (#7957)
(Boshen)
- 6551dfe semantic: Pass `&str` instead of `Cow` (#7972) (overlookmotel)
- b8d2bd2 semantic: Move determining references flags for export
specifier to `visit_export_named_declaration` (#7924) (Dunqing)
- 98d7946 semantic: Import flags and ID types from `oxc_syntax` (#7887)
(overlookmotel)
- 1cf8f8f semantic: `SymbolTable::set_name` return old name (#7869)
(overlookmotel)
- 5d42df8 semantic: Use `Expression::is_super` (#7851) (overlookmotel)
- 8cf9766 semantic, syntax, wasm: Remove `#![allow(non_snake_case)]`
(#7863) (overlookmotel)
- d59bbae transformer: Remove unneeded lint `#[allow]` (#7971)
(overlookmotel)
- 2c94236 transformer: Improve encapsulation of transforms (#7888)
(overlookmotel)
- 34091b2 transformer: Use `Expression::is_super` (#7852)
(overlookmotel)
- d4d7bc0 transformer/async-to-generator: Avoid allocating unnecessary
`Atom`s (#7975) (overlookmotel)
- 2e5ffd3 transformer/class-properties: Store `temp_var_is_created` on
`ClassBindings` (#7981) (overlookmotel)
- 27cc6da transformer/class-properties: Store `is_declaration` only on
`ClassDetails` (#7980) (overlookmotel)
- ee282f8 transformer/class-properties: Remove `move_expression`s
(#7979) (overlookmotel)
- 94b376a transformer/class-properties: Simplify logic for when to
create temp binding (#7977) (overlookmotel)
- ff9d1b3 transformer/class-properties: Comments about shorter output
(#7976) (overlookmotel)
- 6fc40f0 transformer/class-properties: Pass `BoundIdentifier`s by
reference (#7968) (overlookmotel)
- 69eeeea transformer/class-properties: Methods take `&self` where
possible (#7967) (overlookmotel)
- 98340bb transformer/class-properties: Use stack of `ClassDetails`
(#7947) (overlookmotel)
- 088dd48 transformer/class-properties: Shorten code (#7913)
(overlookmotel)
- 544ffbf transformer/class-properties: Split up code into multiple
files (#7912) (overlookmotel)
- dcaf674 transformer/class-properties: Rename file (#7910)
(overlookmotel)
- 6243980 transformer/class-properties: Instance prop inits visitor use
`Visit` (#7867) (overlookmotel)
- eb47d43 transformer/class-properties: Re-use existing `Vec` (#7854)
(overlookmotel)
- 1380b7b transformer/class-properties: Reduce visibility of method
(#7858) (overlookmotel)
- 0f5e078 transformer/class-properties: Rename `*_owner` to `owned_*`
(#7855) (Dunqing)
- 4ea90d4 transformer/react-refresh: Calculate signature key once
(#7970) (Dunqing)
- 15b9bff transformer/typescript: Reuse `Atom` (#7969) (overlookmotel)

### Styling

- fb897f6 data_structures: Add line break (#7882) (overlookmotel)
- 7fb9d47 rust: `cargo +nightly fmt` (#7877) (Boshen)

### Testing

- 523d48c transformer: Move named test to exports folder (#7922)
(Dunqing)
- e766051 transformer: Skip test which uses filesystem under miri
(#7874) (overlookmotel)
- f39e65e transformer: Prevent lint error when running miri (#7873)
(overlookmotel)

Co-authored-by: Dunqing <29533304+Dunqing@users.noreply.github.com>
2024-12-18 11:48:12 +08:00
branchseer
111dc52f62
fix(parser): include export token in spans of TSNamespaceExportDeclaration (#7963)
Spans of `TSNamespaceExportDeclaration`(`export as namespace Foo`)
should start with `export`:


cc89efb2b7
2024-12-17 20:55:56 +08:00
overlookmotel
3858221f45 refactor(global): sort imports (#7883)
Pure refactor. Re-order imports for clarity:

1. `std`
2. External crates
3. `oxc_*` crates
4. Current crate `use crate::...`
5. Super `use super::...`
6. Local modules

This order is from "furthest away" to "closest". This makes it clearer to see what is coming from where.

`cargo +nightly fmt` (#7877) did a lot of the work, but unfortunately `rustfmt` does not have an option to (a) put workspace crates in a separate block from external crates and (b) move `mod` statements to after `use` statements.
2024-12-14 15:07:21 +00:00
Boshen
81eedb10c0 feat(parser): 'readonly' type modifier is only permitted on array and tuple literal types. (#7880) 2024-12-14 12:00:52 +00:00
Boshen
7fb9d47460 style(rust): cargo +nightly fmt (#7877) 2024-12-14 06:03:31 +00:00
oxc-bot
1428527da6
release(crates): v0.41.0 (#7846)
## [0.41.0] - 2024-12-13

- fb325dc ast: [**BREAKING**] `span` field must be the first element
(#7821) (Boshen)

- 96a26d3 ast: [**BREAKING**] Rename `is_strict` methods to
`has_use_strict_directive` (#7783) (overlookmotel)

### Features

- 8991f33 ast: Add `visit_span` to `Visit` and `VisitMut` (#7816)
(overlookmotel)
- f7900ab ast: Add `ArrowFunctionExpression::has_use_strict_directive`
method (#7784) (overlookmotel)
- e727ae9 transformer/class-properties: Transform super member
expressions that are inside static prop initializer (#7815) (Dunqing)

### Bug Fixes

- 7610dc1 parser: Parse `import source from 'mod'` (#7833) (Boshen)
- 9479e2b semantic: Missing references when `export {}` references a
type-only binding and a normal (#7812) (Yunfei He)
- 7a83230 semantic: Missing reference when `export default` references a
type alias binding (#7813) (Dunqing)
- 4a3bca8 semantic: Fix identifying strict mode arrow functions (#7785)
(overlookmotel)
- 5b7e1ad transformer: Remove span of define value (#7811) (Hiroshi
Ogawa)
- 14896cb transformer/class-properties: Create temp vars in correct
scope (#7824) (overlookmotel)
- 25bb6da transformer/class-properties: Fix `ScopeId`s in instance prop
initializers (#7823) (overlookmotel)
- 65b109a transformer/class-properties: No `raw` for generated
`StringLiteral` (#7825) (overlookmotel)
- 2964a61 transformer/class-properties: Unwrap failed when private field
expression doesn't contain optional expression in `ChainExpression`
(#7798) (Dunqing)
- 6fa6785 transformer/class-properties: Panic when the callee or member
is `ParenthesisExpression` or TS-syntax expressions. (#7795) (Dunqing)
- bb22c67 transformer/class-properties: Fix `ScopeId`s in static prop
initializers (#7791) (overlookmotel)
- caa57f1 transformer/class-properties: Fix scope flags in static prop
initializers (#7786) (overlookmotel)

### Performance

- 4448b63 codegen: Faster writing indentation (#7820) (overlookmotel)
- afaaffa codegen: Fast path for `options.print_comments()` (#7806)
(Boshen)

### Refactor

- 0f367e5 semantic: Improve the logic of resolving references to be
cleaner (#7829) (Dunqing)
- 5710950 semantic: Move export-related reference flags logic to visit
functions (#7828) (Dunqing)
- b290ebd transformer: Handle `<CWD>` in test runner (#7799) (Dunqing)
- e70deb9 transformer/class-properties: Locate instance props insertion
location in separate step (#7819) (overlookmotel)
- afc5f1e transformer/class-properties: De-deduplicate code (#7805)
(overlookmotel)
- 47a91d2 transformer/class-properties: Shorten code (#7804)
(overlookmotel)
- 54ef2b9 transformer/class-properties: Rename
`debug_assert_expr_is_not_parenthesis_or_typescript_syntax` (#7803)
(overlookmotel)
- 3cdc47c transformer/class-properties: `#[inline(always)]` on
`assert_expr_neither_parenthesis_nor_typescript_syntax` (#7802)
(overlookmotel)

### Testing

- d72c888 transformer/replace-global-defines: Remove panicking test
(#7838) (overlookmotel)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
2024-12-13 21:25:13 +08:00
Boshen
7610dc19ff fix(parser): parse import source from 'mod' (#7833) 2024-12-13 10:26:36 +00:00
Boshen
fb325dce99 refactor(ast)!: span field must be the first element (#7821)
For consistency. And maybe a small performance improvement when enum
bytes are aligned.
2024-12-12 16:50:01 +00:00
oxc-bot
bd572c609b
release(crates): v0.40.1 (#7781)
## [0.40.1] - 2024-12-10

### Bug Fixes

- 18d0ce3 napi: Rename `Error` to `OxcError` to avoid name collision
(#7780) (Boshen)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
2024-12-11 00:35:34 +08:00
oxc-bot
6768f7ded2
release(crates): v0.40.0 (#7775) 2024-12-10 23:04:43 +08:00
Boshen
72eab6cd96 feat(parser)!: stage 3 import source and import defer (#7706)
* https://github.com/tc39/proposal-defer-import-eval
* https://github.com/tc39/proposal-source-phase-imports
* https://tc39.es/proposal-source-phase-imports/#sec-ecmascript-language-expressions
* https://tc39.es/proposal-defer-import-eval/#prod-NameSpaceImport
2024-12-06 16:15:52 +00:00
Boshen
00fea9285b feat(napi/parser): expose span positions of import.meta (#7677) 2024-12-05 11:03:52 +00:00
Boshen
b8dc333ed4 feat(syntax): add ExportEntry::is_type (#7676) 2024-12-05 09:02:18 +00:00
Song Gao
ebc80f6749
refactor(ast)!: change 'raw' from &str to Option<Atom> (#7547)
Fix #7254 

Changed all "raw" properties of literal types (if they have this property) to `Option<Atom>`.

---------

Co-authored-by: overlookmotel <theoverlookmotel@gmail.com>
2024-12-05 00:34:45 +00:00
Boshen
8c0b0ee2bd fix(parser): better diagnostic for invalid for await syntax (#7649) 2024-12-04 15:18:29 +00:00
Boshen
36d14932ff refactor(parser): use ModuleRecord::has_module_syntax for setting sourceType (#7646) 2024-12-04 12:52:21 +00:00
Boshen
d503a84d57 perf(parser): reorder parse_statement match conditions (#7645)
For performance reasons, match orders are:
1. plain if check
2. check current token
3. peek token
2024-12-04 12:31:48 +00:00
Boshen
e923e4ee46 perf(parser): inline all token kind checks (#7644) 2024-12-04 12:23:51 +00:00
oxc-bot
fee2143f4c
release(crates): v0.39.0 (#7643) 2024-12-04 19:43:22 +08:00
Boshen
33e5a49c78 feat(syntax): add statement span to ImportEntry and ExportEntry (#7583) 2024-12-02 14:20:30 +00:00
Boshen
f0e7acc68b refactor(syntax): change ModuleRecord::not_esm to has_module_syntax (#7579) 2024-12-02 09:32:57 +00:00
Boshen
18519dea33 refactor(syntax): remove ModuleRecord::export_default (#7578)
This value can be derived.
2024-12-02 09:17:57 +00:00
Boshen
d476660b0b refactor(syntax): remove ModuleRecord::exported_bindings_duplicated because it is a syntax error (#7577) 2024-12-02 08:48:01 +00:00
Boshen
17663f55d3 refactor(syntax): remove ModuleRecord::export_default_duplicated because it is a syntax error (#7576) 2024-12-02 08:19:59 +00:00
Boshen
c2ced15dfd feat(parser,linter)!: use a different ModuleRecord for linter (#7554)
The parser returns a simple `ModuleRecord` that is allocated in the arena for performance reasons.

The linter uses a more complicated, `Send` + `Sync` `ModuleRecord` that will hold more cross-module information.

The next step is to return more esm information from the parser to eliminated the need of the `oxc_module_lexer` crate.
2024-11-30 16:02:01 +00:00
Boshen
8a788b8f4b feat(parser)!: Build ModuleRecord directly in parser (#7546)
This has the benefit of:

* expose dynamic import / import meta info from parser
* 1 less ast shallow in semantic builder
* no ast walk in oxc's module lexer
* some more benefits coming soon
2024-11-29 14:50:42 +00:00
Boshen
b24beeb0f5 refactor(parser): use PropName trait from oxc_ecmascript (#7543) 2024-11-29 09:18:47 +00:00
renovate
d0842e070a chore(deps): update dependency rust to v1.83.0 (#7537)
This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| [rust](https://redirect.github.com/rust-lang/rust) | minor | `1.82.0` -> `1.83.0` |

---

### Release Notes

<details>
<summary>rust-lang/rust (rust)</summary>

### [`v1.83.0`](https://redirect.github.com/rust-lang/rust/blob/HEAD/RELEASES.md#Version-1830-2024-11-28)

[Compare Source](https://redirect.github.com/rust-lang/rust/compare/1.82.0...1.83.0)

\==========================

<a id="1.83.0-Language"></a>

## Language

-   [Stabilize `&mut`, `*mut`, `&Cell`, and `*const Cell` in const.](https://redirect.github.com/rust-lang/rust/pull/129195)
-   [Allow creating references to statics in `const` initializers.](https://redirect.github.com/rust-lang/rust/pull/129759)
-   [Implement raw lifetimes and labels (`'r#ident`).](https://redirect.github.com/rust-lang/rust/pull/126452)
-   [Define behavior when atomic and non-atomic reads race.](https://redirect.github.com/rust-lang/rust/pull/128778)
-   [Non-exhaustive structs may now be empty.](https://redirect.github.com/rust-lang/rust/pull/128934)
-   [Disallow implicit coercions from places of type `!`](https://redirect.github.com/rust-lang/rust/pull/129392)
-   [`const extern` functions can now be defined for other calling conventions.](https://redirect.github.com/rust-lang/rust/pull/129753)
-   [Stabilize `expr_2021` macro fragment specifier in all editions.](https://redirect.github.com/rust-lang/rust/pull/129972)
-   [The `non_local_definitions` lint now fires on less code and warns by default.](https://redirect.github.com/rust-lang/rust/pull/127117)

<a id="1.83.0-Compiler"></a>

## Compiler

-   [Deprecate unsound `-Csoft-float` flag.](https://redirect.github.com/rust-lang/rust/pull/129897)
-   Add many new tier 3 targets:
    -   [`aarch64_unknown_nto_qnx700`](https://redirect.github.com/rust-lang/rust/pull/127897)
    -   [`arm64e-apple-tvos`](https://redirect.github.com/rust-lang/rust/pull/130614)
    -   [`armv7-rtems-eabihf`](https://redirect.github.com/rust-lang/rust/pull/127021)
    -   [`loongarch64-unknown-linux-ohos`](https://redirect.github.com/rust-lang/rust/pull/130750)
    -   [`riscv32-wrs-vxworks` and `riscv64-wrs-vxworks`](https://redirect.github.com/rust-lang/rust/pull/130549)
    -   [`riscv32{e|em|emc}-unknown-none-elf`](https://redirect.github.com/rust-lang/rust/pull/130555)
    -   [`x86_64-unknown-hurd-gnu`](https://redirect.github.com/rust-lang/rust/pull/128345)
    -   [`x86_64-unknown-trusty`](https://redirect.github.com/rust-lang/rust/pull/130453)

Refer to Rust's \[platform support page]\[platform-support-doc]
for more information on Rust's tiered platform support.

<a id="1.83.0-Libraries"></a>

## Libraries

-   [Implement `PartialEq` for `ExitCode`.](https://redirect.github.com/rust-lang/rust/pull/127633)
-   [Document that `catch_unwind` can deal with foreign exceptions without UB, although the exact behavior is unspecified.](https://redirect.github.com/rust-lang/rust/pull/128321)
-   [Implement `Default` for `HashMap`/`HashSet` iterators that don't already have it.](https://redirect.github.com/rust-lang/rust/pull/128711)
-   [Bump Unicode to version 16.0.0.](https://redirect.github.com/rust-lang/rust/pull/130183)
-   [Change documentation of `ptr::add`/`sub` to not claim equivalence with `offset`.](https://redirect.github.com/rust-lang/rust/pull/130229).

<a id="1.83.0-Stabilized-APIs"></a>

## Stabilized APIs

-   [`BufRead::skip_until`](https://doc.rust-lang.org/stable/std/io/trait.BufRead.html#method.skip_until)
-   [`ControlFlow::break_value`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.break_value)
-   [`ControlFlow::continue_value`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.continue_value)
-   [`ControlFlow::map_break`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.map_break)
-   [`ControlFlow::map_continue`](https://doc.rust-lang.org/stable/core/ops/enum.ControlFlow.html#method.map_continue)
-   [`DebugList::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugList.html#method.finish_non_exhaustive)
-   [`DebugMap::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugMap.html#method.finish_non_exhaustive)
-   [`DebugSet::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugSet.html#method.finish_non_exhaustive)
-   [`DebugTuple::finish_non_exhaustive`](https://doc.rust-lang.org/stable/core/fmt/struct.DebugTuple.html#method.finish_non_exhaustive)
-   [`ErrorKind::ArgumentListTooLong`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ArgumentListTooLong)
-   [`ErrorKind::Deadlock`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.Deadlock)
-   [`ErrorKind::DirectoryNotEmpty`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.DirectoryNotEmpty)
-   [`ErrorKind::ExecutableFileBusy`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ExecutableFileBusy)
-   [`ErrorKind::FileTooLarge`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.FileTooLarge)
-   [`ErrorKind::HostUnreachable`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.HostUnreachable)
-   [`ErrorKind::IsADirectory`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.IsADirectory)
-   [`ErrorKind::NetworkDown`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NetworkDown)
-   [`ErrorKind::NetworkUnreachable`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NetworkUnreachable)
-   [`ErrorKind::NotADirectory`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NotADirectory)
-   [`ErrorKind::NotSeekable`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.NotSeekable)
-   [`ErrorKind::ReadOnlyFilesystem`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ReadOnlyFilesystem)
-   [`ErrorKind::ResourceBusy`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.ResourceBusy)
-   [`ErrorKind::StaleNetworkFileHandle`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.StaleNetworkFileHandle)
-   [`ErrorKind::StorageFull`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.StorageFull)
-   [`ErrorKind::TooManyLinks`](https://doc.rust-lang.org/stable/std/io/enum.ErrorKind.html#variant.TooManyLinks)
-   [`Option::get_or_insert_default`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.get_or_insert_default)
-   [`Waker::data`](https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.data)
-   [`Waker::new`](https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.new)
-   [`Waker::vtable`](https://doc.rust-lang.org/stable/core/task/struct.Waker.html#method.vtable)
-   [`char::MIN`](https://doc.rust-lang.org/stable/core/primitive.char.html#associatedconstant.MIN)
-   [`hash_map::Entry::insert_entry`](https://doc.rust-lang.org/stable/std/collections/hash_map/enum.Entry.html#method.insert_entry)
-   [`hash_map::VacantEntry::insert_entry`](https://doc.rust-lang.org/stable/std/collections/hash_map/struct.VacantEntry.html#method.insert_entry)

These APIs are now stable in const contexts:

-   [`Cell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.Cell.html#method.into_inner)
-   [`Duration::as_secs_f32`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.as_secs_f32)
-   [`Duration::as_secs_f64`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.as_secs_f64)
-   [`Duration::div_duration_f32`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.div_duration_f32)
-   [`Duration::div_duration_f64`](https://doc.rust-lang.org/stable/core/time/struct.Duration.html#method.div_duration_f64)
-   [`MaybeUninit::as_mut_ptr`](https://doc.rust-lang.org/stable/core/mem/union.MaybeUninit.html#method.as_mut_ptr)
-   [`NonNull::as_mut`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.as_mut)
-   [`NonNull::copy_from`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_from)
-   [`NonNull::copy_from_nonoverlapping`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_from_nonoverlapping)
-   [`NonNull::copy_to`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_to)
-   [`NonNull::copy_to_nonoverlapping`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.copy_to_nonoverlapping)
-   [`NonNull::slice_from_raw_parts`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.slice_from_raw_parts)
-   [`NonNull::write`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write)
-   [`NonNull::write_bytes`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write_bytes)
-   [`NonNull::write_unaligned`](https://doc.rust-lang.org/stable/core/ptr/struct.NonNull.html#method.write_unaligned)
-   [`OnceCell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.OnceCell.html#method.into_inner)
-   [`Option::as_mut`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.as_mut)
-   [`Option::expect`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.expect)
-   [`Option::replace`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.replace)
-   [`Option::take`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.take)
-   [`Option::unwrap`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.unwrap)
-   [`Option::unwrap_unchecked`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.unwrap_unchecked)
-   [`Option::<&_>::copied`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.copied)
-   [`Option::<&mut _>::copied`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.copied-1)
-   [`Option::<Option<_>>::flatten`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.flatten)
-   [`Option::<Result<_, _>>::transpose`](https://doc.rust-lang.org/stable/core/option/enum.Option.html#method.transpose)
-   [`RefCell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.RefCell.html#method.into_inner)
-   [`Result::as_mut`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.as_mut)
-   [`Result::<&_, _>::copied`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.copied)
-   [`Result::<&mut _, _>::copied`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.copied-1)
-   [`Result::<Option<_>, _>::transpose`](https://doc.rust-lang.org/stable/core/result/enum.Result.html#method.transpose)
-   [`UnsafeCell::get_mut`](https://doc.rust-lang.org/stable/core/cell/struct.UnsafeCell.html#method.get_mut)
-   [`UnsafeCell::into_inner`](https://doc.rust-lang.org/stable/core/cell/struct.UnsafeCell.html#method.into_inner)
-   [`array::from_mut`](https://doc.rust-lang.org/stable/core/array/fn.from_mut.html)
-   [`char::encode_utf8`](https://doc.rust-lang.org/stable/core/primitive.char.html#method.encode_utf8)
-   [`{float}::classify`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.classify)
-   [`{float}::is_finite`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_finite)
-   [`{float}::is_infinite`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_infinite)
-   [`{float}::is_nan`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_nan)
-   [`{float}::is_normal`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_normal)
-   [`{float}::is_sign_negative`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_sign_negative)
-   [`{float}::is_sign_positive`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_sign_positive)
-   [`{float}::is_subnormal`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.is_subnormal)
-   [`{float}::from_bits`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_bits)
-   [`{float}::from_be_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_be_bytes)
-   [`{float}::from_le_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_le_bytes)
-   [`{float}::from_ne_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.from_ne_bytes)
-   [`{float}::to_bits`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_bits)
-   [`{float}::to_be_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_be_bytes)
-   [`{float}::to_le_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_le_bytes)
-   [`{float}::to_ne_bytes`](https://doc.rust-lang.org/stable/core/primitive.f64.html#method.to_ne_bytes)
-   [`mem::replace`](https://doc.rust-lang.org/stable/core/mem/fn.replace.html)
-   [`ptr::replace`](https://doc.rust-lang.org/stable/core/ptr/fn.replace.html)
-   [`ptr::slice_from_raw_parts_mut`](https://doc.rust-lang.org/stable/core/ptr/fn.slice_from_raw_parts_mut.html)
-   [`ptr::write`](https://doc.rust-lang.org/stable/core/ptr/fn.write.html)
-   [`ptr::write_unaligned`](https://doc.rust-lang.org/stable/core/ptr/fn.write_unaligned.html)
-   [`<*const _>::copy_to`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to)
-   [`<*const _>::copy_to_nonoverlapping`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to_nonoverlapping)
-   [`<*mut _>::copy_from`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_from)
-   [`<*mut _>::copy_from_nonoverlapping`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_from_nonoverlapping)
-   [`<*mut _>::copy_to`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to-1)
-   [`<*mut _>::copy_to_nonoverlapping`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.copy_to_nonoverlapping-1)
-   [`<*mut _>::write`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write)
-   [`<*mut _>::write_bytes`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write_bytes)
-   [`<*mut _>::write_unaligned`](https://doc.rust-lang.org/stable/core/primitive.pointer.html#method.write_unaligned)
-   [`slice::from_mut`](https://doc.rust-lang.org/stable/core/slice/fn.from_mut.html)
-   [`slice::from_raw_parts_mut`](https://doc.rust-lang.org/stable/core/slice/fn.from_raw_parts_mut.html)
-   [`<[_]>::first_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.first_mut)
-   [`<[_]>::last_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.last_mut)
-   [`<[_]>::first_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.first_chunk_mut)
-   [`<[_]>::last_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.last_chunk_mut)
-   [`<[_]>::split_at_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut)
-   [`<[_]>::split_at_mut_checked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_checked)
-   [`<[_]>::split_at_mut_unchecked`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_at_mut_unchecked)
-   [`<[_]>::split_first_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_first_mut)
-   [`<[_]>::split_last_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_last_mut)
-   [`<[_]>::split_first_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_first_chunk_mut)
-   [`<[_]>::split_last_chunk_mut`](https://doc.rust-lang.org/stable/core/primitive.slice.html#method.split_last_chunk_mut)
-   [`str::as_bytes_mut`](https://doc.rust-lang.org/stable/core/primitive.str.html#method.as_bytes_mut)
-   [`str::as_mut_ptr`](https://doc.rust-lang.org/stable/core/primitive.str.html#method.as_mut_ptr)
-   [`str::from_utf8_unchecked_mut`](https://doc.rust-lang.org/stable/core/str/fn.from_utf8\_unchecked_mut.html)

<a id="1.83.0-Cargo"></a>

## Cargo

-   [Introduced a new `CARGO_MANIFEST_PATH` environment variable, similar to `CARGO_MANIFEST_DIR` but pointing directly to the manifest file.](https://redirect.github.com/rust-lang/cargo/pull/14404/)
-   [Added `package.autolib` to the manifest, allowing `[lib]` auto-discovery to be disabled.](https://redirect.github.com/rust-lang/cargo/pull/14591/)
-   [Declare support level for each crate in Cargo's Charter / crate docs.](https://redirect.github.com/rust-lang/cargo/pull/14600/)
-   [Declare new Intentional Artifacts as 'small' changes.](https://redirect.github.com/rust-lang/cargo/pull/14599/)

<a id="1.83-Rustdoc"></a>

## Rustdoc

-   [The sidebar / hamburger menu table of contents now includes the `# headers` from the main item's doc comment](https://redirect.github.com/rust-lang/rust/pull/120736). This is similar to a third-party feature provided by the rustdoc-search-enhancements browser extension.

<a id="1.83.0-Compatibility-Notes"></a>

## Compatibility Notes

-   [Warn against function pointers using unsupported ABI strings.](https://redirect.github.com/rust-lang/rust/pull/128784)
-   [Check well-formedness of the source type's signature in fn pointer casts.](https://redirect.github.com/rust-lang/rust/pull/129021) This partly closes a soundness hole that comes when casting a function item to function pointer
-   [Use equality instead of subtyping when resolving type dependent paths.](https://redirect.github.com/rust-lang/rust/pull/129073)
-   Linking on macOS now correctly includes Rust's default deployment target. Due to a linker bug, you might have to pass `MACOSX_DEPLOYMENT_TARGET` or fix your `#[link]` attributes to point to the correct frameworks. See [#&#8203;129369](https://redirect.github.com/rust-lang/rust/pull/129369).
-   [Rust will now correctly raise an error for `repr(Rust)` written on non-`struct`/`enum`/`union` items, since it previous did not have any effect.](https://redirect.github.com/rust-lang/rust/pull/129422)
-   The future incompatibility lint `deprecated_cfg_attr_crate_type_name` [has been made into a hard error](https://redirect.github.com/rust-lang/rust/pull/129670). It was used to deny usage of `#![crate_type]` and `#![crate_name]` attributes in `#![cfg_attr]`, which required a hack in the compiler to be able to change the used crate type and crate name after cfg expansion.
    Users can use `--crate-type` instead of `#![cfg_attr(..., crate_type = "...")]` and `--crate-name` instead of `#![cfg_attr(..., crate_name = "...")]` when running `rustc`/`cargo rustc` on the command line.
    Use of those two attributes outside of `#![cfg_attr]` continue to be fully supported.
-   Until now, paths into the sysroot were always prefixed with `/rustc/$hash` in diagnostics, codegen, backtrace, e.g.

        thread 'main' panicked at 'hello world', map-panic.rs:2:50
        stack backtrace:
           0: std::panicking::begin_panic
                     at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/std/src/panicking.rs:616:12
           1: map_panic::main::{{closure}}
                     at ./map-panic.rs:2:50
           2: core::option::Option<T>::map
                     at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/option.rs:929:29
           3: map_panic::main
                     at ./map-panic.rs:2:30
           4: core::ops::function::FnOnce::call_once
                     at /rustc/a55dd71d5fb0ec5a6a3a9e8c27b2127ba491ce52/library/core/src/ops/function.rs:248:5
        note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.

    [RFC 3127 said](https://rust-lang.github.io/rfcs/3127-trim-paths.html#changing-handling-of-sysroot-path-in-rustc)

    > We want to change this behaviour such that, when `rust-src` source files can be discovered, the virtual path is discarded and therefore the local path will be embedded, unless there is a `--remap-path-prefix` that causes this local path to be remapped in the usual way.

    [#&#8203;129687](https://redirect.github.com/rust-lang/rust/pull/129687) implements this behaviour, when `rust-src` is present at compile time, `rustc` replaces `/rustc/$hash` with a real path into the local `rust-src` component with best effort.
    To sanitize this, users must explicitly supply `--remap-path-prefix=<path to rust-src>=foo` or not have the `rust-src` component installed.
-   The allow-by-default `missing_docs` lint used to disable itself when invoked through `rustc --test`/`cargo test`, resulting in `#[expect(missing_docs)]` emitting false positives due to the expectation being wrongly unfulfilled. This behavior [has now been removed](https://redirect.github.com/rust-lang/rust/pull/130025), which allows `#[expect(missing_docs)]` to be fulfilled in all scenarios, but will also report new `missing_docs` diagnostics for publicly reachable `#[cfg(test)]` items, [integration test](https://doc.rust-lang.org/cargo/reference/cargo-targets.html#integration-tests) crate-level documentation, and publicly reachable items in integration tests.
-   [The `armv8r-none-eabihf` target now uses the Armv8-R required set of floating-point features.](https://redirect.github.com/rust-lang/rust/pull/130295)
-   [Fix a soundness bug where rustc wouldn't detect unconstrained higher-ranked lifetimes in a `dyn Trait`'s associated types that occur due to supertraits.](https://redirect.github.com/rust-lang/rust/pull/130367)
-   [Update the minimum external LLVM version to 18.](https://redirect.github.com/rust-lang/rust/pull/130487)
-   [Remove `aarch64-fuchsia` and `x86_64-fuchsia` target aliases in favor of `aarch64-unknown-fuchsia` and `x86_64-unknown-fuchsia` respectively.](https://redirect.github.com/rust-lang/rust/pull/130657)
-   [The ABI-level exception class of a Rust panic is now encoded with native-endian bytes, so it is legible in hex dumps.](https://redirect.github.com/rust-lang/rust/pull/130897)
-   [Visual Studio 2013 is no longer supported for MSVC targets.](https://redirect.github.com/rust-lang/rust/pull/131070)
-   [The sysroot no longer contains the `std` dynamic library in its top-level `lib/` dir.](https://redirect.github.com/rust-lang/rust/pull/131188)

</details>

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