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181 commits

Author SHA1 Message Date
Linus Groh
c503a28e19 LibJS: Make AggregateError inherit from Error 
This is our way of implementing the [[ErrorData]] internal slot, which
is being used in Object.prototype.toString().
 2021-06-23 13:59:17 +01:00
Anonymous
2822da8c8f LibJS: Correct behaviour of direct vs. indirect eval 
eval only has direct access to the local scope when accessed through
the name eval. This includes locals named eval, because of course it
does.
 2021-06-23 09:38:33 +01:00
davidot
f7e2994f35 LibJS: Make string to integer parsing for properties more strict 
This does break two TypedArray test262 test but those really were not
  correct because hasProperty was not implemented
 2021-06-22 20:49:28 +01:00
davidot
9d1fd403af LibJS: Fix small issues in Array.prototype.concat 2021-06-22 20:49:28 +01:00
davidot
15edad8202 LibJS: Make define_property always throw if specified 
Now put uses is_strict_mode to determine define_property should throw
 2021-06-22 20:49:28 +01:00
Linus Groh
8a06a93ce2 LibJS: Return non-object argument unaltered from Object.setPrototypeOf() 
This was missing step 3 from the spec:

    3. If Type(O) is not Object, return O.

Also use RequireObjectCoercible() for a better error message and make
the rest of the code a bit easier to read and more similar to the spec
text.
 2021-06-22 18:59:24 +01:00
Idan Horowitz
c31392510a LibJS: Add the Number.prototype.toFixed method 2021-06-19 16:13:59 +01:00
Andreas Kling
f86e241699 LibJS: Object.getOwnPropertyNames() should enumerate String's .length 
We were incorrectly aborting property name enumeration after generating
names for all the indexable properties in the underlying string.
 2021-06-19 11:46:08 +02:00
Andreas Kling
686213c2b8 LibJS: Make Object.getOwnPropertyDescriptor() work on String subscripts 
String objects are a bit special since the indexed properties are
overridden by the contents of the underlying PrimitiveString.

getOwnPropertyDescriptor() was not taking this into account, and would
instead return undefined when asked about an indexed property in a
String object.
 2021-06-19 11:34:19 +02:00
Linus Groh
8e26c7a1dd LibJS: Make Number() constructor spec compliant 
By using to_numeric() and adding BigInt handling, we get support for
`Number(123n)`.

Fixes #8125.
 2021-06-19 01:34:17 +01:00
Linus Groh
597cf88c08 LibJS: Implement the 'Hashbang Grammar for JS' proposal 
Stage 3 since August 2019 - we already have shebang stripping
implemented in js(1), so this removes it from there in favor of adding
support to the lexer directly.

Most straightforward proposal and implementation I've ever seen :^)

https://github.com/tc39/proposal-hashbang
 2021-06-18 20:35:23 +01:00
Linus Groh
299c3069c1 LibJS/Tests: Use eval() for toEvalTo(), not Function() 
Since we have had eval() for a while now, we can finally use it here -
this allows us to get rid of the confusing return statements in tested
source code.
 2021-06-18 20:35:23 +01:00
sin-ack
c5073cb287 LibJS: Do not trim whitespace from property names when they're numbers 
Fixes #7803.
 2021-06-18 19:18:15 +01:00
Luke
8be7bdaac3 LibJS: Add %TypedArray%.prototype.some 2021-06-18 18:13:31 +01:00
Luke
68f11a272b LibJS: Add %TypedArray%.prototype.forEach 2021-06-18 18:13:31 +01:00
Luke
91af985718 LibJS: Add %TypedArray%.prototype.findIndex 2021-06-18 18:13:31 +01:00
Luke
61a8c19556 LibJS: Add %TypedArray%.prototype.find 2021-06-18 18:13:31 +01:00
Luke
65ca2d98af LibJS: Add %TypedArray%.prototype.every 2021-06-18 18:13:31 +01:00
Luke
02de3cbce3 LibJS: Add Number.parseInt 
This is initialized to be the same function object as the initial value
of the parseInt function on the global object.
 2021-06-18 10:29:33 +01:00
Idan Horowitz
cc5c1df64b LibJS: Add the TypedArray.of() method 2021-06-17 18:13:20 +01:00
Luke
9cbd90fdb6 LibJS: Add BigInt64Array and BigUint64Array 
This fixes ~297 test262 test cases :^)
 2021-06-17 02:20:03 +01:00
Luke
8d90e137a5 LibJS: Fix check for byteOffset instead of byteLength in byteLength test 2021-06-17 02:20:03 +01:00
Linus Groh
7489189645 LibJS/Tests: Use Object.prototype.toString() for values in test details 
Using String() like we did before depends on objects having either
toString, valueOf, or  @@toPrimitive, which is not the case for objects
with no prototype.
 2021-06-16 22:49:04 +01:00
Idan Horowitz
c619ad4fec LibJS: Allow no-op define property calls on non-configurable objects 
This brings us slightly closer to the specification's 10.1.6.3
ValidateAndApplyPropertyDescriptor.
 2021-06-16 12:57:48 +01:00
Idan Horowitz
2299be474b LibJS: Add the String.fromCodePoint() method 2021-06-16 10:29:10 +01:00
Idan Horowitz
e1b0719435 LibJS: Add all of the FinalizationRegistry.prototype methods 
More specifically: cleanupSome, register & unregister.

FinalizationRegistery.prototype.cleanupSome is actually still a stage 2
proposal, but since test262 test cases already exist for it, i decided
to go for it :)
 2021-06-15 23:59:21 +01:00
Idan Horowitz
de9fa6622a LibJS: Add the FinalizationRegistry built-in object 
As well as the needed functionality in VM to enqueue and run cleanup
jobs for the FinalizationRegistry instances.
 2021-06-15 23:59:21 +01:00
Ali Mohammad Pur
3194177dce LibJS: Correctly parse yield-from expressions 
This commit implements parsing for `yield *expr`, and the multiple
ways something can or can't be parsed like that.
Also makes yield-from a TODO in the bytecode generator.
Behold, the glory of javascript syntax:
```js
// 'yield' = expression in generators.
function* foo() {
    yield
    *bar; // <- Syntax error here, expression can't start with *
}

// 'yield' = identifier anywhere else.
function foo() {
    yield
    *bar; // Perfectly fine, this is just `yield * bar`
}
```
 2021-06-14 13:06:08 +01:00
Ali Mohammad Pur
d374295a26 LibJS: Parse generator functions in object literals 
Also add some parser tests
 2021-06-14 13:06:08 +01:00
Ali Mohammad Pur
2661a88108 LibJS: Add a test file for generator function parsing 
Note that the yield-from expression tests are skipped for now since
they're not implemented yet.
 2021-06-14 13:06:08 +01:00
davidot
ae8b55a80a LibJS: Add additional generic Array.prototype.slice tests 2021-06-14 09:57:06 +01:00
davidot
6c13cc67c6 LibJS: Implement Array.prototype.copyWithin generically 2021-06-14 09:57:06 +01:00
davidot
417f752306 LibJS: Implement Array.prototype.entries 2021-06-14 09:57:06 +01:00
davidot
910b803d8d LibJS: Implement Array.prototype.flatMap 
Also made recursive_array_flat more compliant with the spec
So renamed it to flatten_into_array
 2021-06-14 09:57:06 +01:00
davidot
4152409ac5 LibJS: Make Array.prototype.concat generic 2021-06-14 09:57:06 +01:00
davidot
2ef9df989f LibJS: Make Array.prototype.reverse generic 2021-06-14 09:57:06 +01:00
davidot
516f6240e8 LibJS: Add additional Array.prototype.reverse tests 2021-06-14 09:57:06 +01:00
davidot
d723c01af7 LibJS: Make Array.prototype.unshift generic 2021-06-14 09:57:06 +01:00
davidot
7c1e2adf8a LibJS: Make Array.prototype.shift generic 2021-06-14 09:57:06 +01:00
Idan Horowitz
690eb3bb8a LibJS: Add support for hex, octal & binary big integer literals 2021-06-14 01:45:04 +01:00
Idan Horowitz
e4e6e03364 LibJS: Add tests for DataView.prototype getters and setters 2021-06-14 01:45:04 +01:00
Idan Horowitz
e4d267d4fb LibJS: Add the DataView built-in object 2021-06-14 01:45:04 +01:00
Luke
d72aeb2e1a LibJS: Rewrite Array.prototype.slice to be spec compliant 
This makes it generic in the process (which is required by jQuery)
This fixes 19 test262 test cases :^)
 2021-06-13 16:21:34 +01:00
Linus Groh
33eea1f722 LibJS: Fix Object.prototype.valueOf() behavior 
No idea why it was implemented like this, but a value_of() call on the
coerced object is not part of the spec. Also added some tests.
 2021-06-13 01:06:36 +01:00
Idan Horowitz
322c8a3995 LibJS: Add the MapIterator built-in and the key/values/entries methods 
While this implementation should be complete it is based on HashMap's
iterator, which currently follows bucket-order instead of the required
insertion order. This can be simply fixed by replacing the underlying
HashMap member in Map with an enhanced one that maintains a linked
list in insertion order.
 2021-06-13 00:33:18 +01:00
Idan Horowitz
6c0d5163a1 LibJS: Add most of the Map.prototype methods 
Specifically all aside from "keys", "values" and "entries" which
require an implementation of the MapIterator object.
 2021-06-13 00:33:18 +01:00
Idan Horowitz
a96ac8bd56 LibJS: Add the Map built-in object 2021-06-13 00:33:18 +01:00
Idan Horowitz
3c83298a26 LibJS: Use undefined as the fallback value for iterable entry key/value 
As defined in OdinaryGet in the specification.
 2021-06-12 22:34:28 +01:00
Idan Horowitz
bd9e20ef79 LibJS: Add the Object.getOwnPropertySymbols method 2021-06-12 18:39:23 +01:00
Idan Horowitz
a2da3f97ef LibJS: Remove argument count checks in Object.* methods 
These are inconsistent with the specification.
 2021-06-12 18:39:23 +01:00