This is in preparation to make the code here more target agnostic for
porting to the Windows threading primitives. This is used pretty
extensively in the tests, so disabling tests would lose a chunk of
coverage.
Revert #20194, which seems to be more trouble than it's worth. Instead, move the functions that SwiftPrivate needs back into LibcShims.h/cpp as SPI.
rdar://problem/45817565
This is a giant squashing of a lot of individual changes prototyping a
switch of String in Swift 5 to be natively encoded as UTF-8. It
includes what's necessary for a functional prototype, dropping some
history, but still leaves plenty of history available for future
commits.
My apologies to anyone trying to do code archeology between this
commit and the one prior. This was the lesser of evils.
The changes in https://github.com/apple/swift/pull/19614 require Darwin/Glibc to build first. This usually happened anyway (and thus the problem wasn't noticed for a while) but sometimes SwiftPrivate would win the race and the build would fail.
rdar://problem/45624328
The key thing here is that all of the underlying code is exactly the same. I
purposely did not debride anything. This is to ensure that I am not touching too
much and increasing the probability of weird errors from occurring. Thus the
exact same code should be executed... just the routing changed.
Create a new RuntimeUnittest library alongside the other stdlib unit
tests so we can write C++ runtime unit tests callable from lit.
Move runtime exclusivity tests into the stdlib unittest library and
create lit tests so we can verify that the runtime crashes with an
error message.
The functions in LibcShims are used externally, some directly and some through @inlineable functions. These are changed to SWIFT_RUNTIME_STDLIB_SPI to better match their actual usage. Their names are also changed to add "_swift" to the front to match our naming conventions.
Three functions from SwiftObject.mm are changed to SPI and get a _swift prefix.
A few other support functions are also changed to SPI. They already had a prefix and look like they were meant to be SPI anyway. It was just hard to notice any mixup when they were #defined to the same thing.
rdar://problem/35863717
* add count(where:) and tests
* Revise count(where:) documentation
* Remove errant word in abstract
* add a benchmark for ranges and strings with help from @natecook1000
* update benchmark to use Array instead of Range
SwiftPrivate/PRNG.swift:
- currently uses `theGlobalMT19937`;
- previously used `arc4random` (see #1939);
- is obsoleted by SE-0202: Random Unification.
* Make _sanityCheck internal
* Make _debugPrecondition internal
* Make Optional._unsafelyUnwrappedUnchecked internal.
* Make _precondition internal
* Switch Foundation _sanityChecks to assertions
* Update file check tests
* Remove one more _debugPrecondition
* Update Optimization-with-check tests
