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Same reasoning again! This is the last one.
While I was at it, I added the two remaining CSS2.2 pseudo-elements,
::first-line and ::first-letter. All 4 are handled in the new CSS
parser, including with the compatibility single-colon syntax. I have
not added support to the old parser.
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Same reasoning as the previous commit.
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Previously, SimpleSelectors optionally had Attribute-selector data
as well as their main type. Now, they're either one or the other,
which better matches the spec, and makes parsing and matching more
straightforward.
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This fixes a `-Wabsolute-value` warning emitted because of our use of
`abs()` on arguments of type `long long`.
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Since Clang enables a couple of warnings that we don't have in GCC,
these were not caught before. Included fixes:
- Use correct printf format string for `size_t`
- Don't compare Nonnull(Ref|Own)Ptr` to nullptr
- Fix unsigned int& => unsigned long& conversion
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We have had these for quite a while, but we didn't compile them, and
used GCC's version instead. Clang does not come with these, so we have
to provide our own implementation.
Our implementation follows what `musl` and `FreeBSD` do, so this should
work fine, even if documentation can hardly be found for them.
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The GCC documentation says that since it's officially a part of C++20,
this flag does nothing. Clang, however, does complain that it does not
recognize it, so it's better to just remove it.
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This code worked with GCC because libstdc++ pulls in `type_info`'s
definition through the `cxxabi` header included by `AK/Demangle.h`.
In contrast, `libc++` only forward-declares it, so this code failed to
compile with it.
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The rest of the file is in AT&T syntax, so for the time being, I'll
switch these instructions to AT&T too to make Clang shut up.
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The C++ standard says that it's legal to call the `delete` operator with
a null pointer argument, in which case it should be a no-op. I
encountered this issue when running a kernel that's compiled with Clang.
I assume this fact was used for some kind of optimization.
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Clang throws a fit when it encounters this code, since we already have
the standardized designated initializer syntax in C++20, which we should
use.
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If QEMU has the qemu_vdagent chardev (should be present in QEMU 6.1)
then we use that as the SPICE client.
If qemu_vdagent is not present, no SPICE client will be launched by
default because it makes the display a bit choppy.
Set SERENITY_SPICE to override the default behavior and use your default
SPICE client.
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A SPICE agent communicates with the host OS to provide nifty features
like clipboard sharing :^)
This patch implements only plain-text clipboard sharing.
See: github.com/freedesktop/spice-protocol/blob/master/spice/vd_agent.h
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We should really only try to open if we're closed. Oops :P
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It's possible that another thread might try to exit the process just
about the same time another thread does the same, or a crash happens.
Also, we may not be able to kill all other threads instantly as they
may be blocked in the kernel (though in this case they would get killed
before ever returning back to user mode. So keep track of whether
Process::die was already called and ignore it on subsequent calls.
Fixes #8485
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This will generate absolute paths lexically rather than through a call
to realpath. The motivation for this is to generate absolute paths for
non-existent files in unveil calls, as realpath will not work if the
file does not exist.
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Add an implementation of 'comm' -- compare files line by line
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Piano now has a toolbar allowing the playback to be paused,
or to be stepped forward or back a note.
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We also should add some UB warnings for that in the future
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Also use it instead of CPU.h's possibly_unaligned_data interface
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We have a new config argument to add space separated exclude regex'
This is separate from "NotTestsPattern", because these are still Tests,
although they are not supposed to be run by the runner
This also adds the test for a working UserspaceEmulator to the tests run
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The "ue-" prefix makes it clearer that it should be run with the
UserspaceEmulator
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LibCore::Account::generate_passwd_file should follow
generate_shadow_file by conditionally checking for the username.
Previously, usermod's set_uid changes would not reflect in the updated
passwd file as m_uid had already been changed to the updated value.
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Previously there was no way to modify existing user accounts.
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We can have multiple PhysicalRegions (often the case when there is a
huge amount of RAM) so we really shouldn't print a debug message any
time someone tries to allocate from one. They will move on to another
region anyway.
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This was incorrectly returning true for the address one byte past the
end of the region.
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We were allocating twice as much memory as we needed for these bitmaps
due to a silly typo. Found by tomuta trying to boot with 24 GiB of RAM.
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Let's remove the qcmd and q35_cmd options and instead have a simple
"q35" run option. Specifiying the kernel command line was a neat trick
I personally used for many debug sessions, but it seems better to stick
to setting it internally in the kernel or modifying the shell
SERENITY_KERNEL_CMDLINE environment variable to do this.
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With this change, we use 6 PCIe root ports in the Q35 machine, and plug
the bochs-display device into one of those PCIe ports.
We plug the bochs-display as function 0 of that device, because
otherwise SeaBIOS and also the kernel will not detect its presence.
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This makes 'escaping' the dialogs seem bit faster :^)
It also follows what RunWindow and probably others do.
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PageDirectory and MemoryManager need to remain friends, for now..
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GCC doesn't seem to rely on those to work, but Clang does.
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We previously stored the entire ASTNode vector in each parser state,
and this vector was copied whenever a state was loaded or saved.
We don't actually need to store the whole nodes list in each state
because a new state can only add new nodes to this list, and won't
mutate existing nodes.
It would suffice to only hold a vector of the nodes that were created
while parsing in the current state to keep a reference to them.
This reduces the time it takes on my machine for the c++ language
server to handle a file that #includes <LibGUI/Widget.h> from ~4sec to
~0.7sec.
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There's no need to store parser error messages for states with
depth > 0, as they will eventually be popped from the states stack and
their error messages will never be displayed to the user.
Profiling shows that this change reduces the % of backtraces that
contain the store_state & load_state functions from ~95% to ~70%.
Empirically this change reduces the time it takes on my machine for the
c++ language server to handle a file that #includes <LibGUI/Widget.h>
from ~14sec to ~4sec.
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Let's not print out every single zone, since that gets very noisy on
machines with a lot of RAM. :^)
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