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Plus sneak in a FIXME for the list of active formatting elements
and a test for Element.namespaceURI
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This allows the user to start typing and highlighting and jumping
to a match in ColumnsView, IconView, TableView and TreeView if
the model supports it.
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This fixes flipping between left/top and right/bottom when the rectangle
to make visible doesn't fit into the visible portion each time the
function is called.
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Use the same logic for all variants for Painter::draw_text. Also,
add an overload that allows taking a callback function for custom
gylph drawing. This allows drawing some glyphs differently in the
correct location when drawing more complex strings (e.g. multi-line,
elisions, etc).
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This enables use of these classes in templated code.
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https://tc39.es/ecma262/#sec-line-terminators
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This reverts my previous commit in WebServer and fixes the whole issue
in a much better way. Instead of having the MIME type guesser take a
URL (which we don't actually have in the WebServer at that point),
just take a path as a StringView.
Also, make use of the case-insensitive StringView::ends_with() :^)
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When you GET a directory with an index.html file, we were using the
mime type guessing logic from LibCore on the "/" filename, which gave
us "text/plain". Force the mime type to "text/html" in these cases
so browsers actually interpret it as HTML. :^)
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This fixes an issue where making a TCP connection to localhost didn't
work correctly since the loopback interface is currently synchronous.
(Sending something to localhost would enqueue a packet on the same
interface and then immediately wake the network task to process that
packet.)
This was preventing the TCP handshake from working correctly with
localhost since we'd send out the SYN packet before moving to the
SynSent state. The lock is now held long enough for this operation
to be atomic.
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Problem:
- `constexpr_sum` is implemented using `Array` which means the
function needs to be a function template so that the size can be
deduced.
Solution:
- Change the `Array` function argument to a `Span` since `Span` now is
`constexpr`.
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Problem:
- Hash functions can be `constexpr`, but are not.
Solution:
- Change `inline` keyword to `constexpr`.
- Add `static_assert` tests to ensure the hash functions work in a
`constexpr` context.
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Problem:
- The hash functions have no associated tests, so there is nothing
binding their behavior.
Solution:
- Bind the hash function behavior by adding tests.
- Use the existing behavior as "correct".
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This allows us to provide better error messages as we can point the
syntax error location to the exact first invalid parameter instead of
always the end of the function within a object literal or class
definition.
Before this change:
const Foo = { set bar() {} }
^
Uncaught exception: [SyntaxError]: Object setter property must have one argument (line: 1, column: 28)
class Foo { set bar() {} }
^
Uncaught exception: [SyntaxError]: Class setter method must have one argument (line: 1, column: 26)
After this change:
const Foo = { set bar() {} }
^
Uncaught exception: [SyntaxError]: Setter function must have one argument (line: 1, column: 23)
class Foo { set bar() {} }
^
Uncaught exception: [SyntaxError]: Setter function must have one argument (line: 1, column: 21)
The only possible downside of this change is that class getters/setters
and functions in objects are not distinguished in the message anymore -
I don't think that's important though, and classes are (mostly) just
syntactic sugar anyway.
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I'm about to add even more options and a bunch of unnamed true/false
arguments is really not helpful. Let's make this a single parse options
parameter using bit flags.
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Otherwise, just ignore them.
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Instead of just ripping out the root of the layout tree from its RefPtr
in Document, actually go through the DOM and gather up all the layout
nodes. Then destroy them all in one swoop.
Also, make sure to do this when detaching Document from Frame,
to enforce the invariant that layout only occurs in framed documents.
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Problem:
- `constexpr` functions are decorated with the `inline` specifier
keyword. This is redundant because `constexpr` functions are
implicitly `inline`.
- [dcl.constexpr], ยง7.1.5/2 in the C++11 standard): "constexpr
functions and constexpr constructors are implicitly inline (7.1.2)".
Solution:
- Remove the redundant `inline` keyword.
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Problem:
- `Checked` is not `constexpr`-aware.
Solution:
- Decorate member functions with `constexpr` keyword.
- Add tests to ensure the functionality where possible.
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Problem:
- Compiler-generated functions are being defined which results in
extra code to maintain.
Solution:
- Switch to compiler-generated default functions for default
construction, copy assignment, move assignment, copy construction
and move construction.
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This provides a huge speed-up for objects with large numbers as property
keys in some situation. Previously we would simply iterate from 0-<max>
and check if there's a non-empty value at each index - now we're being
smarter and compute a list of non-empty indices upfront, by checking
each value in the packed elements vector and appending the sparse
elements hashmap keys (for GenericIndexedPropertyStorage).
Consider this example, an object with a single own property, which is a
number increasing by a factor of 10 each iteration:
for (let i = 0; i < 10; ++i) {
const o = {[10 ** i]: "foo"};
const start = Date.now();
Object.getOwnPropertyNames(o); // <-- IndexedPropertyIterator
const end = Date.now();
console.log(`${10 ** i} -> ${(end - start) / 1000}s`);
}
Before this change:
1 -> 0.0000s
10 -> 0.0000s
100 -> 0.0000s
1000 -> 0.0000s
10000 -> 0.0005s
100000 -> 0.0039s
1000000 -> 0.0295s
10000000 -> 0.2489s
100000000 -> 2.4758s
1000000000 -> 25.5669s
After this change:
1 -> 0.0000s
10 -> 0.0000s
100 -> 0.0000s
1000 -> 0.0000s
10000 -> 0.0000s
100000 -> 0.0000s
1000000 -> 0.0000s
10000000 -> 0.0000s
100000000 -> 0.0000s
1000000000 -> 0.0000s
Fixes #3805.
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This reduces malloc()/free() calls in `disasm /bin/id` by 30%
according to LIBC_DUMP_MALLOC_STATS.
No measurable performance change (the number of empty block hits
remains unchanged, and that's what's slow), but maybe a nice
change regardless?
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This view mode takes every stack frame and turns it into a root in the
profile graph. This allows functions that are called from many places
to bubble up to the top. It's a very handy way to discover heavy things
in a profile that are otherwise obscured by having many callers.
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This is currently the case on Travis CI: the file exists but fails to
extract, breaking all the CI builds.
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If there's a newline between the closing paren and arrow it's not a
valid arrow function, ASI should kick in instead (it'll then fail with
"Unexpected token Arrow")
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This simplifies try_parse_arrow_function_expression() and fixes a few
cases that should not produce an arrow function AST but did:
(a,,) => {}
(a b) => {}
(a ...b) => {}
(...b a) => {}
The new parsing logic checks whether parens are expected and uses
parse_function_parameters() if so, rolling back if a new syntax error
occurs during that. Otherwise it's just an identifier in which case we
parse the single parameter ourselves.
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test-js now has a --test262-parser-tests option. Modules are skipped for
now, current results:
Test Suites: 1309 failed, 4314 passed, 5623 total
Tests: 1309 failed, 262 skipped, 4052 passed, 5623 total
Files: 5361 total
Time: ~100ms (Lagom) / 600-800ms (Serenity)
For more info, see: https://github.com/tc39/test262-parser-tests
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The current output is a bit strange:
Tests: 3 skipped, 979 passed, 979 total
This makes more sense to me:
Tests: 3 skipped, 979 passed, 982 total
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Right now test-js has a hardcoded test root directory when running on
Serenity or will get it based on SERENITY_ROOT otherwise. Now it is
also possible to pass a path to the command which will take precedence
over these mechanisms.
This will also be useful for adding test262 support as those files will
not have a default location.
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This was used by the toolchain build script at one point but is now
only used when running BuildIt.sh with --dev.
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The build system no longer uses "flock", so stop telling people they
need to install it.
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Fixes #3790.
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