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1259 commits

Author SHA1 Message Date
Andreas Kling
d8e9a176cd LibJS: Implement the NewDeclarativeEnvironment() abstract operation 2021-06-22 01:17:15 +02:00
Andreas Kling
c6baeca6d7 LibJS: Add ObjectEnvironmentRecord to Forward.h 
And sort the forward declared classes alphabetically, for our friends
who enjoy alphabetically sorted things. :^)
 2021-06-22 01:17:15 +02:00
Andreas Kling
08510a0c80 LibJS: Rename VM::current_scope() => current_environment_record() 
And rename some related functions that wrapped this as well.
 2021-06-21 23:49:50 +02:00
Andreas Kling
d407f247b7 LibJS: Rename virtuals in EnvironmentRecord 
This patch makes the following renames:

- get_from_scope() => get_from_environment_record()
- put_to_scope() => put_into_environment_record()
- delete_from_scope() => delete_from_environment_record()
 2021-06-21 23:49:50 +02:00
Andreas Kling
5edd259b0a LibJS: Rename EnvironmentRecord::parent() => outer_environment() 
This name matches the spec (corresponds to the [[OuterEnv]] slot.)
 2021-06-21 23:49:50 +02:00
Andreas Kling
46f2c23030 LibJS: Convert EnvironmentRecord & friends to east-const style 2021-06-21 23:49:50 +02:00
Andreas Kling
6c6dbcfc36 LibJS: Rename Environment Records so they match the spec :^) 
This patch makes the following name changes:

- ScopeObject => EnvironmentRecord
- LexicalEnvironment => DeclarativeEnvironmentRecord
- WithScope => ObjectEnvironmentRecord
 2021-06-21 23:49:50 +02:00
Ali Mohammad Pur
eb5c92d4e2 LibJS: Don't assert for empty reciever if AllowSideEffects::No is given 
This parameter is only used if AllowSideEffects::Yes, so there's no
reason to pass anything to it if that's not used.
 2021-06-22 00:26:25 +04:30
Andreas Kling
0d2aba07aa LibJS: Add VM::dump_scope_chain() 
This is a handy helper that dumps the current scope chain, starting at
the innermost scope.
 2021-06-21 20:58:55 +02:00
Andreas Kling
4c8df58e08 LibJS: Rename Parser::m_parser_state => m_state 
Also remove the "m_" prefix from all the public data members.
 2021-06-21 20:58:55 +02:00
Andreas Kling
5b16b5d7c1 LibJS: Fix spelling mistake in VariableDeclaration::execute() 2021-06-21 20:58:55 +02:00
Matthew Olsson
df65ff8a1e LibJS: Add bytecode support for regexp literals 2021-06-21 00:28:07 +02:00
Linus Groh
e9388408db LibJS: Implement support for the [[IsHTMLDDA]] internal slot 
Best regards from Annex B and document.all :^)
 2021-06-20 17:52:09 +01:00
Gunnar Beutner
fbaf763e2a LibJS: Let if yield undefined for branches that don't yield a value 
According to 13.6.7 the return value for if expressions should be
undefined when the branch statements don't yield a value.
 2021-06-20 15:01:11 +02:00
Linus Groh
8f6ac0db1c LibJS: Use OrdinaryCreateFromConstructor() in a bunch of constructors 
Resolves various FIXMEs :^)
 2021-06-20 12:12:39 +02:00
Linus Groh
e5753443ae LibJS: Consistently make prototype the last argument in Object ctors 
This is so that we can reliably allocate them in a template function,
e.g. in ordinary_create_from_constructor():

    global_object.heap().allocate<T>(
        global_object, forward<Args>(args)..., *prototype);

The majority of objects already take the prototype as the last argument,
so I updated the ones that didn't.
 2021-06-20 12:12:39 +02:00
Linus Groh
df095afbcc LibJS: Implement the OrdinaryCreateFromConstructor() abstract operation 2021-06-20 12:12:39 +02:00
Linus Groh
500818e73d LibJS: Implement the GetPrototypeFromConstructor() abstract operation 2021-06-20 12:12:39 +02:00
Linus Groh
6312627218 LibJS: Implement the GetFunctionRealm() abstract operation 2021-06-20 12:12:39 +02:00
Linus Groh
55db9539a5 LibJS: Introduce AbstractOperations.{cpp,h} and move various AOs there 
Value.{cpp,h} has become a dumping ground, let's change that.

Things that are directly related to Values (e.g. bitwise/binary ops,
equality related functions) can remain, but everything else that's not a
Value or Object method and globally required (not just a static function
somewhere) is being moved.

Also convert to east-const while we're here.

I haven't touched IteratorOperations.{cpp,h}, it seems fine to still
have those separately.
 2021-06-20 12:12:39 +02:00
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
Matthew Olsson
25baefdd1e LibJS: Support object rest elements in the bytecode interpreter 2021-06-19 09:38:26 +02:00
Matthew Olsson
57b9a228ab LibJS: Support array rest elements in the bytecode interpreter 2021-06-19 09:38:26 +02:00
Matthew Olsson
7983324639 LibJS: Implement array destructuring for the bytecode interpreter 2021-06-19 09:38:26 +02:00
Matthew Olsson
14fff5df06 LibJS: Implement more IteratorOperations and organize file 
Implemented IteratorComplete and IteratorValue, and sorted functions
based on their spec ordering.
 2021-06-19 09:38:26 +02:00
Matthew Olsson
1f8e643ef0 LibJS: Support object destructuring in the bytecode interpreter 2021-06-19 09:38:26 +02:00
Matthew Olsson
f39ab2e60a LibJS: Add JumpUndefined bytecode 2021-06-19 09:38:26 +02:00
Matthew Olsson
3ee627909a LibJS: Ensure GetBy{Id,Value} never load <empty> into the accumulator 2021-06-19 09:38:26 +02:00
Matthew Olsson
ce04c2259f LibJS: Restructure and fully implement BindingPatterns 2021-06-19 09:38:26 +02:00
Matthew Olsson
10372b8118 LibJS: Remove bad spread check in declaration parsing 
This would allow assignments such as `let ...{ a } = { a: 20 }`
 2021-06-19 09:38:26 +02:00
Linus Groh
fba3c77a04 LibJS: Add missing exception checks to Number() constructor 2021-06-19 02:03:37 +01:00
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
7f8245439b LibJS: Add a bunch more missing ECMA-262 section/title/URL comments 2021-06-19 00:38:41 +01:00
Matthew Olsson
7f97e33778 LibJS: Disallow 'yield' identifier initializer in GeneratorFunctions 2021-06-19 00:04:57 +01:00
Matthew Olsson
9253fa1bad LibJS: Implement GeneratorFunctionConstructor::construct 2021-06-19 00:04:57 +01:00
Matthew Olsson
22b17219ff LibJS: Add the remaining generator objects 
- %GeneratorFunction%
- %GeneratorFunction.prototype%
- %GeneratorFunction.prototype.prototype%
- %Generator%.prototype
 2021-06-19 00:04:57 +01:00
Idan Horowitz
4dc63896de LibJS: Add and use the ArraySpeciesCreate abstract operation 
This ensures that the Array.prototype methods produce results using the
constructor of the derived object if it is one instead of always using
the default constructor.
 2021-06-18 21:25:16 +01:00
Idan Horowitz
271eeadf25 LibJS: Bring FlattenIntoArray closer to the specification 
This fixes the incorrect exception order and missing exception checks
that were caused by the implementation not conforming exactly to the
specification.
 2021-06-18 21:25:16 +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
Idan Horowitz
2e9f665bda LibJS: Throw on detached viewed ArrayBuffer when validating TypedArrays 2021-06-18 20:17:45 +01:00
Idan Horowitz
d5c836dd64 LibJS: Add the TypedArray.prototype.toString property 
This is initialized to be the same function object as the initial value
of the Array.prototype.toString generic function.
 2021-06-18 20:17:45 +01:00
Idan Horowitz
57db27bcc4 LibJS: Add the TypedArray.prototype.join method 2021-06-18 20:17:45 +01:00
Idan Horowitz
2922a6c053 LibJS: Add the TypedArray.prototype[Symbol.toString] getter accessor 2021-06-18 20:17:45 +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