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Move the "fast memcpy" stuff out of StdLibExtras.h and into Memory.h.
This will break a ton of things that were relying on StdLibExtras.h
to include a bunch of other headers. Fix will follow immediately after.
This makes it possible to include StdLibExtras.h from Types.h, which is
the main point of this exercise.
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Now that Vector uses size_t, we can remove a whole bunch of redundant
casts to size_t.
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You can now #include <AK/Forward.h> to get most of the AK types as
forward declarations.
Header dependency explosion is one of the main contributors to compile
times at the moment, so this is a step towards smaller include graphs.
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This was an artifact of an earlier design of StringBuilder where I had
attempted to preserve the same allocation from build to final String.
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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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Using int was a mistake. This patch changes String, StringImpl,
StringView and StringBuilder to use size_t instead of int for lengths.
Obviously a lot of code needs to change as a result of this.
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We had two ways to get the data inside a ByteBuffer. That was silly.
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The former allows you to inspect the string while it's being built.
It's an explicit method rather than `operator StringView()` because
you must remember you can only look at it in between modifications;
appending to the StringBuilder invalidates the StringView.
The latter lets you clear the state of a StringBuilder explicitly, to
start from an empty string again.
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This puts the StringBuilder back into a pristine state, allowing you
to use it to build more strings after you've built one.
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This should make you think twice before trying to use the const char* from
a StringView as if it's a null-terminated string.
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We should work towards a pattern where we take StringView as function
arguments, and store String as member, to push the String construction
to the last possible moment.
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Also run it across the whole tree to get everything using the One True Style.
We don't yet run this in an automated fashion as it's a little slow, but
there is a snippet to do so in makeall.sh.
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I'm still feeling this out, but I am starting to like the general idea.
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You're never gonna be right 100% of the time when guessing how much buffer
space you need. This avoids having to make that type of decision in a bunch
of cases. :^)
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Okay, now ProcFS doesn't crash due to the crappy buffer size estimates
not really working out. This thing has dogshit performance and I will
fix that separately.
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Added a /bin/mkdir that makes directories. How very neat :^)
There are various limitations because of missing functionality.
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The SpinLock was all backwards and didn't actually work. Fixing it exposed
how wrong most of the locking here is.
I need to come up with a better granularity here.
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Also a simple StringBuilder to help him out.
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