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A lot of places were relying on AK/Traits.h to give it strnlen, memcmp,
memcpy and other related declarations.
In the quest to remove inclusion of LibC headers from Kernel files, deal
with all the fallout of this included-everywhere header including less
things.
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We have a new, improved string type coming up in AK (OOM aware, no null
state), and while it's going to use UTF-8, the name UTF8String is a
mouthful - so let's free up the String name by renaming the existing
class.
Making the old one have an annoying name will hopefully also help with
quick adoption :^)
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This patch adds the `USING_AK_GLOBALLY` macro which is enabled by
default, but can be overridden by build flags.
This is a step towards integrating Jakt and AK types.
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Previously we'd VERIFY() that the user had called finish(). This makes
the following code incorrect though:
auto json = TRY(JsonObjectSerializer<>::try_create(builder));
TRY(json.add("total_time"sv, total_time_scheduled.total));
TRY(json.finish());
return ...;
If the second TRY() returns early we'd fail at the VERIFY() call in the
destructor.
Calling finish() in the destructor - like we had done earlier - is also
not helpful because we have no idea whether the builder is still valid.
Plus we wouldn't be able to handle any errors for that call.
Verifying that either finish() was called or an error occurred doesn't
work either because the caller might have multiple Json*Serializer
objects, e.g. when inserting a JSON array into a JSON object. Forcing
the user to call finish() on their "main" object when a sub-object
caused an error seems unnecessarily tedious.
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Each of these strings would previously rely on StringView's char const*
constructor overload, which would call __builtin_strlen on the string.
Since we now have operator ""sv, we can replace these with much simpler
versions. This opens the door to being able to remove
StringView(char const*).
No functional changes.
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This commit moves the length calculations out to be directly on the
StringView users. This is an important step towards the goal of removing
StringView(char const*), as it moves the responsibility of calculating
the size of the string to the user of the StringView (which will prevent
naive uses causing OOB access).
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This allows us to eliminate a major source of infallible allocation in
the Kernel, as well as lay down the groundwork for OOM fallibility in
userland.
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This is in preparation for making KBufferBuilder::append() and friends
return a KResult. Long-term we should come up with a solution that works
for both kernel and userspace clients of the JSON API.
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SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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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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Grab the escaping logic from JSON string value serialization and use
it for serializing all keys and values.
Fixes #3917.
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While width-oriented integer types are nicer from the programmer's
perspective, we have to accept that C++ thinks in int/long/long long.
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* Add double number to object serializer
* Handle negative double numbers correctly
* Handle \r and \n in quoted strings independently
This improves the situation when keys contain \r or \n that currently
has the effect that "a\rkey" and "a\nkey" in an JSON object are the
same key value.
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Without this, bools will get implicitly converted to integers, which is
usually not what we want.
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This avoids constructing a temporary JsonValue just to append an int.
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This changes copyright holder to myself for the source code files that I've
created or have (almost) completely rewritten. Not included are the files
that were significantly changed by others even though it was me who originally
created them (think HtmlView), or the many other files I've contributed code to.
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As suggested by Joshua, this commit adds the 2-clause BSD license as a
comment block to the top of every source file.
For the first pass, I've just added myself for simplicity. I encourage
everyone to add themselves as copyright holders of any file they've
added or modified in some significant way. If I've added myself in
error somewhere, feel free to replace it with the appropriate copyright
holder instead.
Going forward, all new source files should include a license header.
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Passing these through the generic JsonValue path was causing us to
instantiate temporary JsonValues that incurred a heap allocation.
This avoids that by adding specialized overloads for string types.
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These are two new types that allow serializing JSON on-the-fly
as it's generated, without building the whole JSON in memory
first.
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