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Also check for the most common event type (sample) first instead of
leaving it as the fallback. This avoids a lot of string comparisons
while parsing profiles.
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Heredocs have a different parse end condition than double-quoted
strings. parse_doublequoted_string_inner would assume that a string
would always end in a double quote, so let's generalize it to
parse_string_inner and have it take a StringEndCondition enum which
specifies how the string terminates.
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This is insignificant debugging information and will print out during
runs with Lagom.
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Instead of neatly searching for all framebuffer device nodes and
changing ownership of them, let's generalize this function so we can
apply the same pattern on tty nodes.
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GCC implements `fputc`, `fputs` and `fwrite` as builtin functions, whose
`FILE*` argument is implicitly marked `__attribute__((nonnull))`. This
causes our `VERIFY(stream)` statements to be removed. This does not
happen with Clang, as they do not use the `nonnull` attribute in this
way.
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In these cases, the parameters' static type matched the desired dynamic
type, so these calls were discarded.
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The `nonnull` attribute may delete null checks in the generated code, as
per the [GCC documentation]:
> The compiler may also perform optimizations based on the knowledge
> that nonnul parameters cannot be null. This can currently not be
> disabled other than by removing the nonnull attribute.
Disassembling the function as compiled by GCC, we can see that there is
no branch based on if `tv` is null. This means that `gettimeofday`
would produce UB if passed a null parameter, even if we wanted to
predictably return an error. Clang refuses to compile this due to a
`pointer-bool-conversion` warning.
In this commit, `settimeofday` is changed as well to match
`gettimeofday`'s null argument handling.
[GCC documentation]:
https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-nonnull-function-attribute
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We only need to know the initial bounds, which we calculate by default
when the interpreter is constructed.
This cuts down on syscalls and makes wasm calls a lot cheaper.
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The variant member already contains enough information to give us the
type when needed, so remove the type member and synthesize it when
needed, this allows lots of optimisation opportunaties when copying and
moving Values around.
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...or rather, match what the spec _means_ to say, not what it actually
says.
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This should make debugging and profiling much better, at little to no
runtime cost.
Also moves off the operator definitions to a separate header, so it
should also improve the editing experience quite a bit.
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Since the InodeIndex encapsulates a 64 bit value, it is correct to
ensure that the Kernel is exposing the entire value and the LibC is
aware of it.
This commit requires an entire re-compile because it's essentially a
change in the Kernel ABI, together with a corresponding change in LibC.
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This reverts commit 012fc3f92317b1f1c96a9829755593463d9630e1.
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This allows setting different texture wrap modes
and setting different texture coordinate scale factors.
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This currently only implements a subset of this function.
Namely setting wrap, mag and min modes for the GL_TETXURE_2D target.
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This extracts the sampler functionality into its own class.
Beginning with OpenGL 3 samplers are actual objects, separate
from textures. It makes sense to do this already as it also
cleans up code organization quite a bit.
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Fixes #9351.
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The POSIX C regex functions are expected to live in the C standard
library, but Serenity split off its regex library into LibRegex. Make a
compromise by implementing stub forwarders for the C regex library that
load libregex.so and call the real implementation.
This is needed for ports that expect these C functions to be available
inside the standard C library without introducing a strong coupling
between LibC and LibDl or LibRegex. The non-standard Serenity C++ regex
API still lives inside LibRegex as before.
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28b1e66b51ec7b4552a12ac5ee37ecd6b96d4541 made that
the m_all_editor_wrappers vector is cleared everytime a project path
is changed (the m_project if check is just for the app launch --
the vector is empty there anyway), making the code never execute.
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Previously when user wanted to save an uncreated file, the program
would just quietly ignore the save request, without giving any message.
This can be seen when creating a new editor in split view mode.
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Not adding it to the toolbar, because it has the same icon as
a typical 'Save' action.
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The user can now start typing text instead of creating a file first.
This also enables drag-and-dropping a file as soon as the application
starts.
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This makes it super easy to see which test is which when browsing a
profile of the test runner. :^)
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Making userspace provide a global string ID was silly, and made the API
extremely difficult to use correctly in a global profiling context.
Instead, simply make the kernel do the string ID allocation for us.
This also allows us to convert the string storage to a Vector in the
kernel (and an array in the JSON profile data.)
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The first perf_event argument to a PERF_EVENT_SIGNPOST is now
interpreted as a string ID (in the profile strings set.)
This allows us to generate signposts with custom strings. :^)
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This syscall allows userspace to register a keyed string that appears in
a new "strings" JSON object in profile output.
This will be used to add custom strings to profile signposts. :^)
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Signposts generated by perf_event(PERF_EVENT_SIGNPOST) now show up in
profile timelines, and if you hover them you get a tooltip with the two
arguments passed with the event.
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This event will be used by userspace programs wanting to mark
interesting high-level events in the profile. :^)
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Fixes #9338.
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Fixes #9336.
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Fixes #9015.
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Fixes all remaining 'built-ins/RegExp/property-escapes' test262 tests.
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This file contains the last properties that LibUnicode is not parsing.
Much of the data in this file is not currently used; that is left as a
FIXME for when String.prototype.normalize is implemented. Until then,
only the code point properties are utilized for regular expression
pattern escapes.
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