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This is Abstract Operation is required for the majority of
InstantConstructor's and InstantPrototype's methods.
The implementation is not entirely complete, (specifically 2 of the
underlying required abstract operations, ParseTemporalTimeZoneString
and ParseISODateTime are missing the required lexing, and as such are
TODO()-ed) but the majority of it is done.
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This is an AK::GenericLexer that exposes helper methods for parsing
date and time related literals (years, months, days, hours, minutes,
seconds, fractional seconds & more)
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This method can be used to rewind a constant amount backwards in the
source instead of one by one with retract()
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List subdirectories encountered using -R or --recursive flags with ls.
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It was already possible to check if a path was a directory or a device.
Now, it is possible to check if a path is a link in a similar manner.
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This test hangs and times out.
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Perform signed integer shifts, addition, subtraction, and rotations
using their corresponding unsigned type. Additionally, mod the right
hand side of shifts and rotations by the bit width of the integer per
the spec. This seems strange, but the spec is clear on the desired
wrapping behavior of arithmetic operations.
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This way, we can make sure that it doesn't overflow when ASAN is
enabled.
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The WASM spec tests caused a stack overflow when generated with wat2wasm
version 1.0.23, which ships with homebrew. To give feature parity,
manually download the same version from GitHub packages for Ubuntu.
Document the dependencies of the WASM spec tests option, as well.
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macOS's C library is not a good neighbor and doesn't ensure that
the entry in struct hostent's h_addr_list are aligned properly for
a char const*. In Socket::connect, use ByteReader instead of a c-style
cast to work around this possible misalignment.
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This lets us load misaligned 64 bit integers, and misaligned pointers
in a platform agnostic way.
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Before this change, parent widgets such as Buttons or Labels
were stealing drop events their parents.
I noticed it during drag-n-dropping files into visualization widgets
in Sound Player (which takes practically the entire application size
and gave impression that drop events weren't supported in the app
at all).
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This fixes an issue where after anything past first line would not get
invalidated after unhovering an icon.
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The crowd has spoken and it's clear they want... Windows and Arch Linux.
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Fixes #8646.
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The IPCCompiler was using GENERATE_DEBUG_CODE, which was missing from
AK/Debug.h.in, and plain old DEBUG. Let's just use the one that
was already in the debug header, but unused.
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The C standard doesn't say anything about DEBUG, just NDEBUG :^)
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This reverts commit b2e6088bff209e8bbb838cc86233e7d3f24ed650.
This was a speculative fix that ended up not fixing the issue.
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This enables the Lock class to block a thread even while the thread is
working on a BlockCondition. A thread can still only be either blocked
by a Lock or a BlockCondition.
This also establishes a linked list of threads that are blocked by a
Lock and unblocking directly unlocks threads and wakes them directly.
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It's possible that a timer may have been queued to be executed by
the timer irq handler, but if we're in a critical section on the
same processor and are trying to cancel that timer, we would spin
forever waiting for it to be executed.
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This re-arranges the order of how things are initialized so that we
try to initialize process and thread management earlier. This is
neccessary because a lot of the code uses the Lock class, which really
needs to have a running scheduler in place so that we can properly
preempt.
This also enables us to potentially initialize some things in parallel.
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Instead of each PhysicalPage knowing whether it comes from the
supervisor pages or from the user pages, we can just check in both
sets when freeing a page.
It's just a handful of pointer range checks, nothing expensive.
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The VMObject constructor takes the size in bytes.
Fixes #8670
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There appears to be no reason why the process registration needs
to happen under the space spin lock. As the first thread is not started
yet it should be completely uncontested, but it's still bad practice.
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If no other thread is ready to be run we don't need to switch to the
idle thread and wait for the next timer interrupt. We can just give
the thread another timeslice and keep it running.
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Context menu entries like evaluate expression and
move execution to line action should only be enabled
when a debug session is running. Otherwise they should
be disabled.
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This commit disables the run button while we
are in debug mode. Otherwise the stop button
gets disabled when we run the program while
we are in debug mode. This would prevent us
from exiting the debug mode.
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We were only discarding at most one token when a declaration is
invalid, when we should discard all until we see a ; or EOF.
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Calling is_valid_escape_sequence() with no arguments hides what it
is operating on, so I have removed that, so that you must explicitly
tell it what you are testing.
The call from consume_a_token() was using the wrong tokens, so it
returned false incorrectly. This was resulting in corrupted output
when faced with this code from Acid2. (Abbreviated)
```css
.parser { error: \}; }
.parser { }
```
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This is a modified copy of the code from Selector.cpp, to work on a
TokenStream instead of a String.
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The input is ComponentValues, and the output is too, so storing as
a String in the middle was inefficient and unnecessary.
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Had to adjust some places that were using Token.to_string() for
non-debug-logging purposes. Changed its name to to_debug_string()
to make the usage clearer.
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There were several crashes here from out-of-bounds memory access.
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