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operations
This change introduces `AK_ENUM_BITWISE_OPERATORS(..)` which when
enabled for an enum, will automatically declare all the necessary
bitwise operators for that enum.
This allows bit masks enums to be used as first class, type safe, citizens.
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By making the Time constructor constexpr we can optimize creating a
Time instance from hardcoded values.
Also add more functions to convert between Time and various time units.
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Since we tell the compiler to provide a default constructor we
need to initialize the member variables.
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As expected, Checked<unsigned> works as intended. However, we didn't have a
test for that, so I added one.
See also 90c070cb1d90d77ba461017e609b9f8ee6326de1.
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Now that we use fragment for specifying starting selection in
FileManager we would benefit from providing it as argument instead of
setting it each time separately.
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I needed these meta-programming type traits while working on something else.
Add basic support for these two type traits as well as some tests.
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We use atomic_signal_fence and atomic_thread_fence together to prevent
reordering of memory accesses by the CPU and the compiler.
The usage of these functions was suggested by @tomuta so we can be sure
that important memory accesses happen in the expected order :)
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Add Bitmap::view() and forward most of the calls to BitmapView since
the code was identical.
Bitmap is now primarily concerned with its dynamically allocated
backing store and BitmapView deals with the rest.
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AK::Bitmap is an awkwardly modal class which can either own or wrap
the underlying data. To get ourselves out of this unpleasant situation,
this patch adds BitmapView to replace the wrapped mode.
A BitmapView is simply a { data pointer, bit count } tuple internally
and provides all the convenient functionality of a bitmap class.
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This makes them available for use by other language servers.
Also as a bonus, update the Shell language server to discover some
symbols and add go-to-definition functionality :^)
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Mostly due to the fact that clang-format allows aligned comments via
AlignTrailingComments.
We could also use raw string literals in inline asm, which clang-format
deals with properly (and would be nicer in a lot of places).
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This class has a null state but there was no API to check for it.
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This was added as clang-format would mess up the formatting when using
[[nodiscard]] on a class, which is no longer the case.
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"!=" has higher priority than "=".
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These structs can be inconsistent, for example if the amount of microseconds is
negative or larger than 1'000'000. Therefore, they should not be copied as-is.
Use copy_time_from_user instead.
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This adds a bunch of code in the hope that other, wrong code can be deleted.
Related to #5315.
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This allows us to remove the FAIL_REGEX logic from the CTest invocation
of AK and LibRegex tests, as they will return a non-zero exit code on
failure :^).
Also means that running a failing TestSuite-enabled test with the
run-test-and-shutdown script will actually print that the test failed.
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These tests were never built for the serenity target. Move their Lagom
build steps to the Lagom CMakeLists.txt, and add serenity build steps
for them. Also, fix the build errors when building them with the
serenity cross-compiler :^)
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This is basically just for consistency, it's quite strange to see
multiple AK container types next to each other, some with and some
without the namespace prefix - we're 'using AK::Foo;' a lot and should
leverage that. :^)
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We kept scanning the needle string even after hitting a null terminator
and that's clearly not right.
Found by oss-fuzz:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31338
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31351
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A new operator, operator""sv was added as of C++17 to support
string_view literals. This allows string_views to be constructed
from string literals and with no runtime cost to find the string
length.
See: https://en.cppreference.com/w/cpp/string/basic_string_view/operator%22%22sv
This change implements that functionality in AK::StringView.
We do have to suppress some warnings about implementing reserved
operators as we are essentially implementing STL functions in AK
as we have no STL :).
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This is no longer limited to dbgln(). Also invert it to match all the
other ENABLE_FOO options.
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Naturally, this makes the `enabled` flag on dbgln() obsolete.
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(...and ASSERT_NOT_REACHED => VERIFY_NOT_REACHED)
Since all of these checks are done in release builds as well,
let's rename them to VERIFY to prevent confusion, as everyone is
used to assertions being compiled out in release.
We can introduce a new ASSERT macro that is specifically for debug
checks, but I'm doing this wholesale conversion first since we've
accumulated thousands of these already, and it's not immediately
obvious which ones are suitable for ASSERT.
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I saw some Optional constructors when profiling the dynamic loader
and that seemed silly since we can inline them at no/little cost.
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Don't compute the strlen() of the string we're comparing against first.
This can save a lot of time if we're comparing against something that
already fails to match in the first few characters.
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This enables format string checks for three more functions:
- String::formatted()
- Builder::appendff()
- KBufferBuilder::appendff()
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Thanks to @trflynn89 for the neat implicit consteval ctor trick!
This allows us to basically slap `CheckedFormatString` on any
formatting function, and have its format argument checked at compiletime.
Note that there is a validator bug where it doesn't parse inner replaced
fields like `{:~>{}}` correctly (what should be 'left align with next
argument as size' is parsed as `{:~>{` following a literal closing
brace), so the compiletime checks are disabled on these temporarily by
forcing them to be StringViews.
This commit also removes the now unused `AK::StringLiteral` type (which
was introduced for use with NTTP strings).
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This is an improved version of WrapperGenerator's snake_name(), which
seems like the kind of thing that could be useful elsewhere but would
end up getting duplicated - so let's add this to AK::String instead,
like to_{lowercase,uppercase}().
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__builtin_memcmp is already heavily utilised in AK.
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The array constructor allows arrays to be easily treated
as generic span of data.
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In the interest memory safety and of removing as many
of foot guns as possible (like raw memset's which are
notorious for typo's), a zeroing method seems like a
useful utility to have on a buffer class.
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This patchset allows the editor to avoid redrawing the entire line when
the changes cause no unrecoverable style updates, and are at the end of
the line (this applies to most normal typing situations).
Cases that this does not resolve:
- When the cursor is not at the end of the buffer
- When a display refresh changes the styles on the already-drawn parts
of the line
- When the prompt has not yet been drawn, or has somehow changed
Fixes #5296.
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This was weird. It turns out these class were using int indexes and
sizes despite being derived from Vector which uses size_t.
Make the universe right again by using size_t here as well.
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This hasn't been used for quite some time.
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