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2483 commits

Author SHA1 Message Date
Andreas Kling
1dc60b028f LibJS: Add BytecodeGenerator helpers for reference get/put 
This allows code sharing between all AST nodes that want to get and/or
put through a reference.
 2021-10-25 15:16:22 +02:00
Andreas Kling
b63d17e2f8 LibJS: Add fast paths for <, >, <=, and >= with Int32 on both sides 
This gives us a ~5% speed-up on Kraken's ai-astar.js
 2021-10-25 14:35:23 +02:00
Andreas Kling
d203a86900 LibJS: Always inline the bytecode instruction iterator's operator++ 2021-10-25 13:37:02 +02:00
Andreas Kling
a97d75bb63 LibJS: Add default constructor for PrivateName 
This avoids a round-trip through FlyString("") for every Reference.
 2021-10-25 13:29:44 +02:00
Andreas Kling
3618ca2420 LibJS: Propagate exceptions across bytecode executable boundaries 
To support situations like this:

    function foo() { throw 1; }

    try {
        foo();
    } catch (e) {
    }

Each unwind context now keeps track of its origin executable.

When an exception is thrown, we return from run() immediately if the
nearest unwind context isn't in the current executable.

This causes a natural unwind to the point where we find the
catch/finally block(s) to jump into.
 2021-10-25 12:57:21 +02:00
Andreas Kling
5a099b98cd LibJS: Make eval() code run in the bytecode VM 
If we have an active bytecode interpreter, let's make eval() use it.
 2021-10-25 12:57:21 +02:00
Andreas Kling
049b755123 LibJS: Make bytecode interpreter leave unwind context immediately 
We were missing some "break" statements, causing us to actually finish
executing everything within "try" blocks before actually jumping to the
"catch" and/or "finally" blocks.
 2021-10-25 12:57:21 +02:00
Andreas Kling
a831cd9cc7 LibJS: Make bytecode VM throw TypeError on attempt to call non-callable 
This isn't perfect, but allows us to progress instead of crashing in
the TODO().
 2021-10-25 12:57:21 +02:00
Andreas Kling
6fc3c14b7a LibJS: Fix bogus bytecode codegen for "catch" parameters 
Add a missing '!' so that catch clauses with a named parameter actually
generate a SetVariable opcode.
 2021-10-25 12:57:21 +02:00
Andreas Kling
b138b4c83f LibJS: Optimize Value::to_property_key() for numeric property names 
If the Value is a non-negative Int32, create a numeric PropertyKey
instead of making a string key.

This makes "ai-astar" test from the Kraken benchmark run in 30 seconds,
down from 42 seconds. :^)
 2021-10-24 17:18:09 +02:00
Andreas Kling
65a7296b8f LibJS: Make Value::to_property_key() return a JS::PropertyKey 
Instead of returning JS::StringOrSymbol, which is a space-optimized type
used in Shape property tables, this now returns JS::PropertyKey which is
*not* space-optimized, but has other niceties like optimized storage of
numeric ("indexed") properties.
 2021-10-24 17:18:09 +02:00
Andreas Kling
7ccb8c8609 LibJS: Provide default hash traits for JS::PropertyKey 
Let's not require people to use PropertyNameTraits everywhere when we
can just specialize AK::Traits<JS::PropertyKey> instead. :^)
 2021-10-24 17:18:09 +02:00
Andreas Kling
c02e992de2 LibJS: Use PropertyKey in MemberExpression::to_reference() 2021-10-24 17:18:09 +02:00
Andreas Kling
75f2510de9 LibJS: Make make_super_property_reference() take a PropertyKey 
Let's get rid of StringOrSymbol usage outside of Shape.
 2021-10-24 17:18:08 +02:00
Andreas Kling
398c181c79 LibJS: Rename PropertyName to PropertyKey 
Let's use the same name as the spec. :^)
 2021-10-24 17:18:07 +02:00
Andreas Kling
715e7fada8 LibJS: Add the "fast non-local access" optimization to the bytecode VM 
The GetVariable bytecode op now caches environment coordinates for fast
cross-scope variable lookup.
 2021-10-24 17:18:07 +02:00
Andreas Kling
da98212001 LibJS: Add a separate "identifier table" to bytecode executables 
This is a specialized string table for storing identifiers only.
Identifiers are always FlyStrings, which makes many common operations
faster by allowing O(1) comparison.
 2021-10-24 17:18:07 +02:00
Andreas Kling
13f04e37e5 LibJS: Use String and move semantics in Bytecode::StringTable 
Avoid creating new AK::String objects when we already have one.
 2021-10-24 17:18:07 +02:00
Andreas Kling
3117182c2e LibJS: Implement 'this' in the bytecode VM 
ThisExpression now emits a "ResolveThisBinding" bytecode op, which
simply loads the VM's current 'this' binding into the accumulator.
 2021-10-24 17:18:06 +02:00
Andreas Kling
7c7bc4f44a LibJS: Alphabetize the bytecode opcode list 2021-10-24 17:18:06 +02:00
Andreas Kling
f75d78f56a LibJS: Include executable name in bytecode dumps 2021-10-24 17:18:06 +02:00
Andreas Kling
c95dde971b LibJS: Move global "should dump bytecode" flag into LibJS 
This will allow us to trigger bytecode executable dumps when generating
bytecode inside LibJS as well, not just in clients like js and test-js.
 2021-10-24 17:18:06 +02:00
Andreas Kling
da77e2aa4f LibJS: Add Bytecode::Executable::dump() 
Let's have a helper for producing a consistent executable dump instead
of repeating the logic in multiple places.
 2021-10-24 17:18:05 +02:00
davidot
9c9aaf4d4f LibJS: Don't VERIFY that a function is Regular when executing in AST 
By replacing this VERIFY with a thrown Error we no longer crash when
calling a generator function in the AST interpreter. This allows us to
more gracefully handle situation which have not been implemented yet.
In particular this helps the libjs-test262-runner since it can now
continue on to the next tests instead of having the entire process end.
 2021-10-24 08:38:02 +01:00
Timothy Flynn
e503b60bdc LibJS: Convert a few TRYs to MUST in RegExp.prototype 
These are marked with ! in the spec. This also adds assertions above
a couple of these operations to be extra sure (the spec also indicates
we should make these assertions).
 2021-10-23 19:22:34 +01:00
Timothy Flynn
20f73d2abc LibJS: Convert Atomics functions to ThrowCompletionOr 2021-10-23 19:16:03 +01:00
Timothy Flynn
3edf86462b LibJS: Convert typed_array_from to ThrowCompletionOr 2021-10-23 19:16:03 +01:00
Idan Horowitz
2ab089fa21 LibJS: Convert RegExpStringIteratorPrototype to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
063ce946b7 LibJS: Convert RegExpPrototype functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
9b3c91aa65 LibJS: Convert the RegExpExec AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
a89d9d2c6f LibJS: Convert the RegExpBuiltinExec AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
a2fbf6a3d5 LibJS: Convert the MakeIndicesArray AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
e3181a7ded LibJS: Convert RegExpConstructor functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
844be7a0a5 LibJS: Convert the RegExpCreate AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
d9f5e2d461 LibJS: Convert the RegExpInitialize AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
35faf50941 LibJS: Convert PromisePrototype functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
5af8f72d54 LibJS: Convert PromiseConstructor functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
81bdb20c61 LibJS: Convert the PromiseResolve AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
0d602c5ec5 LibJS: Convert the NewPromiseCapability AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
2b87f77578 LibJS: Convert DatePrototype functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
ba39a54bb8 LibJS: Convert DateConstructor functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
306c25f3c2 LibJS: Convert the NumberToBigInt AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
f7bafea661 LibJS: Convert TypedArrayConstructor functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
92b25cacd1 LibJS: Convert TypedArrayPrototype functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
94be1f772a LibJS: Convert typed_array_merge_sort to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
86aa8a14ea LibJS: Convert the TypedArraySpeciesCreate AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
18c2d537c7 LibJS: Convert StringPrototype functions to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
38c4693c70 LibJS: Convert the CreateHTML AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
0948bd8c1e LibJS: Convert the PadString AO to ThrowCompletionOr 2021-10-23 18:01:51 +02:00
Idan Horowitz
70a35f9600 LibJS: Convert resolve_best_locale to ThrowCompletionOr 2021-10-23 18:01:51 +02:00