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"The official project language is American English […]."
https://github.com/SerenityOS/serenity/blob/5d2e9156239cd707a22ecea6c87d48e5fc1cbe84/CONTRIBUTING.md?plain=1#L30
Here's a short statistic of the occurrences of the word "behavio(u)r":
$ git grep -IPioh 'behaviou?r' | sort | uniq -c | sort -n
2 BEHAVIOR
24 Behaviour
32 behaviour
407 Behavior
992 behavior
Therefore, it is clear that "behaviour" (56 occurrences) should be
regarded a typo, and "behavior" (1401 occurrences) should be preferred.
Note that The occurrences in LibJS are intentionally NOT changed,
because there are taken verbatim from the specification. Hence:
$ git grep -IPioh 'behaviou?r' | sort | uniq -c | sort -n
2 BEHAVIOR
10 behaviour
24 Behaviour
407 Behavior
1014 behavior
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Our current `peek_bits` function allows retrieving more bits than we can
actually provide, so whenever someone discards the requested bit count
afterwards we were underflowing the value instead.
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Resolves #18618.
8134dcc changed `JsonArray::set()` to insert elements at an index
instead of changing existing elements in-place. Since no behavior
such as `Vector::try_at()` exists yet, it returns nothing.
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This only exists on windows, but we've made an effort to keep jakt
working on windows, so let's support this silliness.
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GCC 13 was released on 2023-04-26. This commit fixes Lagom build errors
when using an updated host toolchain:
- Adds a workaround for a bug in constraint handling, which made LibJS
fail to compile: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109683
- Silences the new `-Wdangling-reference` diagnostic globally. It
produces multiple false positives with no clear way to silence them
without `#pragmas`.
- Silences `-Wself-move` in `RefPtr` tests as GCC 13 adds this
previously Clang-exclusive warning.
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This further optimizes floating point parsing (specifically with a large
amount of digits). The commit shaves additional 20% of the run time for
750-digit numbers. No performance degradation is noticeable for small
numbers.
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Although it might seem like we've switched to more generic functions,
which must run slower, it is not the case. The time required to parse
"1", for example, decreased by 1%. For numbers with more digits, the
effect is more noticeable: 8-digit numbers are parsed ~5% faster; for
gigantic 750-digit numbers, parsing is 2 times faster.
The later result is achieved by using UFixedBigInt<64>::wide_multiply
instead of u128::operator*(u128).
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Additionally, split it into two versions (for IsIntegral<T> -- asking
to place value into register and for !IsIntegral<T> -- asking to place
value into memory with memory clobber), so that Clang is no more
completely confused about `taint_for_optimizer(AK::StringView&)`.
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This method returns a sub-span whose data pointer and size is aligned to
a specified alignment.
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Add HashTable::values() method that returns all values.
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There's no real reason to make this a debug-only formatter, on top of
that, jakt has a optional formatter that prints None/foo instead of
OptionalNone/Optional(foo), which is more concise anyway, so switch to
that.
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I found this handy for debugging, and so might others.
This now also adds a formatter for TimeZone::TimeZone. This is needed
for FormatIfSupported<Optional<TimeZone::TimeZone>> to compile. As
FormatIfSupported sees a formatter for Optional exists, but not that
there's not one for TimeZone::TimeZone.
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While swap() is available in the global namespace in normal conditions,
!USING_AK_GLOBALLY will make this name unavailable in the global
namespace, making these calls fail to compile.
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That pattern seems to show up a lot in code written by people that
aren't intimately familiar with the lifetime model of Error and Strings.
This commit makes the compiler detect it and present a more helpful
diagnostic than "garbage string at runtime".
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This commit starts adding support for WASI, along with the framework to
implement all the functions (though only a couple are currently
implemented).
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This brings the function name in line with how we usually name those
functions, which is with a `read_` or `write_` prefix depending on what
they do.
While at it, make the internal `_impl` function private and not-virtual,
since there is no good reason to ever override that function.
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Move all old usages to the more explicit `JsonArray:must_{append/set}`
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This class can be used to run a task in another thread, and allows the
caller to wait for the task to complete to retrieve any error that may
have occurred.
Currently, it doesn't support functions returning a value on success,
but with some template magic that should be possible. :^)
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Based on `out()` and `vout()` from AK/Format.h. As opposed to those,
this propagates errors.
As `Core::File` extends `AK::Stream`, this allows formatted
printing directly on `Core::File`s.
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We now null out smart pointers *before* calling unref on the pointee.
This ensures that the same smart pointer can't be used to acquire a new
reference to the pointee after its destruction has begun.
I ran into this when destroying a non-empty IntrusiveList of RefPtrs,
but the problem was more general so this fixes it for all of RefPtr,
NonnullRefPtr, OwnPtr and NonnullOwnPtr.
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This allows accessing and looping over the path segments in a URL
without necessarily allocating a new vector if you want them percent
decoded too (which path_segment_at_index() has an option for).
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This now defaults to serializing the path with percent decoded segments
(which is what all callers expect), but has an option not to. This fixes
`file://` URLs with spaces in their paths.
The name has been changed to serialize_path() path to make it more clear
that this method will generate a new string each call (except for the
cannot_be_a_base_url() case). A few callers have then been updated to
avoid repeatedly calling this function.
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The defaults selected for this are based on the behaviour of URL
when it applied percent decoding during parsing. This does mean now
in some cases the getters will allocate, but percent_decode() checks
if there's anything to decode first, so in many cases still won't.
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https://github.com/SerenityOS/serenity/pull/9716#issuecomment-1508606204
has details.
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ARCH() uses the AK_IS_ARCH_ macros internally since 349e54d5375a4a,
and all user code uses the ARCH() macro instead of AK_ARCH_.
(Why it's called ARCH() and not AK_ARCH(), I don't know.)
If any ports not in the main repo use AK_ARCH_, they should switch
to using ARCH() instead.
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The former is typo-resistant after 349e54d5375a4a, so make use of that.
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957f89ce4abb6ad added some tweaks for serenity-on-aarch64.
It broke anythingelse-on-aarch64 hosts though, so only do these tweaks
when targeting serenity.
(I wonder if AK/Math.h should fall back to the system math routines
when not targeting serenity in general. Would probably help ladybird
performance. On the other hand, the serenity routines would see less
use and hence exposure and love.)
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Previously, if we copied the last byte for a length of 100, we'd
recalculate the read span 100 times and memmove one byte 100 times,
which resulted in a lot of overhead.
Now, if we know that we have two consecutive copies of the data, we just
extend the distance to cover both copies, which halves the number of
times that we recalculate the span and actually call memmove.
This takes the running time of the attached benchmark case from 150ms
down to 15ms.
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The {sin,cos,tan} functions in AK are used as the implementation of the
same function in libm. We cannot use the __builtin_foo functions as
these would just call the libc functions. This was causing an infinite
loop. Fix this by adding a very naive implementation of
AK::{sin, cos,tan}, that is only valid for small inputs. For the other
functions in this file, I added a TODO() such that we'll crash, instead
of infinite looping.
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Some even user-visible!
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This is a remnant from when we didn't have a `read_value` and
`write_value` implementation for `AK::Endian` and instead used the
generic functions for reading a span of bytes. Now that we have a more
ergonomic alternative, remove the helper that is no longer needed.
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As noted in serval comments doing this goes against the WC3 spec,
and breaks parsing then re-serializing URLs that contain percent
encoded data, that was not encoded using the same character set as
the serializer.
For example, previously if you had a URL like:
https:://foo.com/what%2F%2F (the path is what + '//' percent encoded)
Creating URL("https:://foo.com/what%2F%2F").serialize() would return:
https://foo.com/what//
Which is incorrect and not the same as the URL we passed. This is
because the re-serializing uses the PercentEncodeSet::Path which
does not include '/'.
Only doing the percent encoding in the setters fixes this, which
is required to navigate to Google Street View (which includes a
percent encoded URL in its URL).
Seems to fix #13477 too
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`vformat()` can now accept format specifiers of the form
{:'[numeric-type]}. This will output a number with a comma separator
every 3 digits.
For example:
`dbgln("{:'d}", 9999999);` will output 9,999,999.
Binary, octal and hexadecimal numbers can also use this feature, for
example:
`dbgln("{:'x}", 0xffffffff);` will output ff,fff,fff.
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When BufferedFile.can_read_line() was invoked on files with no newlines,
t incorrectly returned a false result for this single line that, even
though doesn't finish with a newline character, is still a line. Since
this method is usually used in tandem with read_line(), users would miss
reading this line (and hence all the file contents).
This commit fixes this corner case by adding another check after a
negative result from finding a newline character. This new check does
the same as the check that is done *before* looking for newlines, which
takes care of this problem, but only works for files that have at least
one newline (hence the buffer has already been filled).
A new unit test has been added that shows the use case. Without the
changes in this commit the test fails, which is a testament that this
commit really fixes the underlying issue.
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For whatever reason, when CLion does its code indexing thing, it doesn't
define __clang__ despite using Clang. This causes it to run into various
problems that we've solved by checking for Clang.
Since CLion does define __CLION_IDE__ (or sometimes __CLION_IDE_, no
idea why but I have seen this issue locally), let's make that part of
the AK_COMPILER_CLANG check.
This makes CLion stop highlighting various things as errors.
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Otherwise, we just end up infinitely looping while waiting for more
space in the destination.
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Otherwise, we have no way of determining whether our copy was truncated
by accident.
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I was originally thinking in the wrong direction when adding this limit,
we can at most read from the buffer until we reach the current write
head. Since that write head is the reference point for the distance,
we need to limit ourselves to that instead of the seekback limit (which
is the maximum of how far back the distance can be).
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