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2076 Commits

Author SHA1 Message Date
Slava Pestov
d9a3f2e5ce AST: Stop calling getAllConformances() on protocols 2022-08-23 00:03:36 -04:00
Slava Pestov
e923e20797 AST: Print @_typeSequence in the ASTPrinter 2022-08-10 23:44:36 -04:00
Angela Laar
329d5846bc Merge pull request #60431 from angela-laar/enable-existential-any 
Enforce existential `any` behind a feature flag
 2022-08-08 20:16:53 -07:00
Michael Gottesman
c10c0f6285 [move-function] Add a new context sensitive move expr. 
It doesn't do anything yet.
 2022-08-08 12:50:41 -07:00
Slava Pestov
d222ac5f6e Sema: New syntax for @opened archetypes in textual SIL 
The old syntax was

    @opened("UUID") constraintType

Where constraintType was the right hand side of a conformance requirement.

This would always create an archetype where the interface type was `Self`,
so it couldn't cope with member types of opened existential types.

Member types of opened existential types is now a thing with SE-0309, so
this lack of support prevented writing SIL test cases using this feature.

The new syntax is

    @opened("UUID", constraintType) interfaceType

The interfaceType is a type parameter rooted in an implicit `Self`
generic parameter, which is understood to be the underlying type of the
existential.

Fixes rdar://problem/93771238.
 2022-08-07 19:03:46 -04:00
Angela Laar
0c36d817e8 [Frontend] Add flag to enable existential any 2022-08-04 17:45:57 -07:00
Pavel Yaskevich
3e65a7cab0 Merge pull request #60065 from xedin/result-builder-ast-transform-under-flag 
[TypeChecker] Implement result builder transform via AST modification under a flag
 2022-08-02 16:22:01 -07:00
Pavel Yaskevich
3167182871 [AST] Add TypeJoin expression 
This expression represents a variable and a set of expressions
that are type-checked together to form a type of the variable.
 2022-08-02 11:03:27 -07:00
Pavel Yaskevich
45122f55d0 [Frontend] Add an option to enable new result builder transform 2022-08-02 11:03:26 -07:00
Hamish Knight
9da53193da [AST] Remove ParameterTypeFlags from ParenType and TupleType 
The last clients that relied on stashing parameter
type flags on these types are now gone.
 2022-08-02 13:56:32 +01:00
Jonathan Penn
be5babf28c Add experimental flag to turn on just opaque type erasure (#60172) 
This was already enabled as part of `-enable-implicit-dynamic` but this
new flag allows turning on opaque type erasure all by itself whether or
not `dynamic` is added explicitly.

rdar://97375478
 2022-07-22 23:43:22 -04:00
Doug Gregor
28a0f83590 Turn @Sendable completion handlers into an experimental feature. 
`@Sendable` on completion handlers imported from Objective-C has been
implemented for a while, but has been disabled in production builds
due to a number of problems we've encountered with rolling it out.

Introduce an experimental feature for `@Sendable` completion handlers
so we can iterate on this more before we enable it by default.

Part of rdar://85569247, which will cover re-landing this feature.
 2022-07-18 12:29:28 -07:00
Nate Chandler
34c08b8344 [TaskToThread] Add Task.runInline. 
The new intrinsic, exposed via static functions on Task<T, Never> and
Task<T, Error> (rethrowing), begins an asynchronous context within a
synchronous caller's context.  This is only available for use under the
task-to-thread concurrency model, and even then only under SPI.
 2022-07-08 08:44:18 -07:00
Holly Borla
dbc8307b64 Merge pull request #59829 from hborla/enable-bound-generic-extensions 
[SE-0361] Enable bound generic extensions.
 2022-07-05 17:38:59 -07:00
Michael Gottesman
8f3fe63fed [no-implicit-copy] Rename SILMoveOnlyType -> SILMoveOnlyWrappedType. 
Since I am beginning to prepare for adding real move only types to the language,
I am renaming everything that has to do with copyable types "move only wrapped"
values instead of move only. The hope is this reduces/prevents any confusion in
between the two.
 2022-07-01 17:26:13 -07:00
Holly Borla
01d46340e1 [SE-0361] Remove the feature flag for bound generic extensions. 2022-06-30 17:24:38 -07:00
Holly Borla
27ae04e77c [ASTPrinter] Don't desugar AnyObject existentials in Swift interfaces. 2022-06-17 18:29:17 -07:00
Holly Borla
ac36e2b580 [ASTPrinter] Restructure the code for printing metatype instance types. 2022-06-17 18:29:17 -07:00
Holly Borla
429488f6c9 [Sema] Use ExistentialType for Any and AnyObject. 2022-06-17 18:29:15 -07:00
Rintaro Ishizaki
9507315c6b Merge pull request #58973 from rintaro/ide-primaryassociatedtype-rdar93275458 
[SourceKit] Update for primary associated types
 2022-06-08 11:27:42 -07:00
Xi Ge
e46b5f5966 ABIChecker: for decls with @_originallyDefinedIn, use original module names in ABI descriptors 
rdar://93615410
 2022-06-03 22:41:43 -07:00
Michael Gottesman
c66061a783 [moveOnly] Add a new SIL specific AST type called SILMoveOnly. 
It can only be used in SIL contexts to express that a wrapped type is
MoveOnly.
 2022-06-03 11:27:16 -07:00
Holly Borla
0ba655ee28 [ASTPrinter] Simplify archetype printing by visiting the interface type. 2022-06-02 13:10:38 -07:00
Doug Gregor
6267513dab Add experimental feature for AdditiveArithmetic derived conformances 2022-05-30 21:28:32 -07:00
Doug Gregor
22ccb3fc3f Introduce experimental features for autodiff options 2022-05-30 21:26:17 -07:00
Doug Gregor
2598aa5405 Add experimental feature for bound generic extensions 2022-05-30 21:09:33 -07:00
Doug Gregor
3cf576da23 Refactor bare slash regex literals as a future feature 2022-05-30 08:33:46 -07:00
Doug Gregor
72c92892fd Introduce feature ForwardTrailingClosures for SE-0286. 
Replace the "Swift version 6" checks for forward-scanning trailing
closure matching with checks for this new feature.
 2022-05-30 08:32:56 -07:00
Doug Gregor
2fbe202146 Introduce FUTURE_FEATURE definitions for features staged in Swift 6. 
Using the same feature set logic as experimental features, provide
feature names for "future" features, which are changes that will
become available with Swift 6. Use the feature check when determining
whether to implementation the feature instead of a language version
check, and map existing flags for these features (when available) over
to the feature set.

As an internal implementation detail, this makes it easier to reason
about when specific features are enabled (or not). If we decide to go
with piecemeal adoption support for features, it can provide an
alternative path to enabling features that feeds this mechanism.
 2022-05-30 08:32:56 -07:00
Doug Gregor
8da6caeccd Add experimental feature for type witness system inference 2022-05-27 12:34:53 -07:00
Doug Gregor
333ae3f830 Add experimental feature for one-way closure parameters 2022-05-27 11:52:29 -07:00
Doug Gregor
b012270fca Adopt experimental-feature infrastructure for move-only feature 2022-05-26 14:21:26 -07:00
Doug Gregor
37dbf23ba2 Adopt experimental feature approach for flow-sensitive concurrency captures 2022-05-26 13:56:21 -07:00
Doug Gregor
0de5d7818d Make named opaque types an experimental feature 2022-05-26 13:44:08 -07:00
Doug Gregor
6d82448dc8 Add -enable-experimental-feature X for experimental features. 
Experimental features can only be enabled in non-production (+Asserts)
builds. They can be detected with `hasFeature` in the same manner as
"future" features.

The `-enable-experimental-feature X` flag will also look for future
features by that name, so that when an experimental feature becomes an
accepted future feature, it will still be enabled in the same manner.

Switch variadic generics over to this approach, eliminating the
specific LangOption for it.
 2022-05-26 11:50:39 -07:00
QuietMisdreavus
baa4123bd7 use getConformingProtocols when printing opaque generic types (#58991) 
* use getConformingProtocols when printing opaque generic types

rdar://93610106
 2022-05-24 18:29:14 -06:00
Holly Borla
38dfb99031 [ASTPrinter] Put desugaring constraints for existential types behind a 
PrintOptions flag that is only enabled for interface printing.
 2022-05-23 22:15:17 -07:00
Holly Borla
e9c14cd88b [ASTPrinter] Print the desugared constraint type following the 'any' 
keyword.
 2022-05-23 19:43:51 -07:00
Rintaro Ishizaki
8bda524cd2 [SourceKit] Update for primary associated types 
* InterfaceGen reports a primary associated type as a reference to the
  'associatedtype' declaration
* CursorInfo on a primary associated type returns information of the
  'associatedtype' declaration

rdar://93275458
 2022-05-18 17:16:49 -07:00
Arnold Schwaighofer
e3b715bc2a Merge pull request #58760 from aschwaighofer/swiftinterface_print_specialize_with_targetFunction 
swiftinterface: print _specialize functions with targetFunction parameter in .swiftinterface
 2022-05-10 19:45:30 -07:00
Allan Shortlidge
e0e748c35a ModuleInterface: Print existential any in swiftinterfaces since any is required for protocols with associated types in 5.7. 
Resolves rdar://92976269
 2022-05-09 14:10:07 -07:00
Arnold Schwaighofer
7bfa01a817 swiftinterface: print _specialize functions with targetFunction parameter in .swiftinterface 
If we have an internal function with a `_specialize` attribute that has
a `targetFunction:` parameter we want the function to appear in the
.swiftinterface file such that the exported specialization can be picked up by
the compiler.
 2022-05-09 10:08:52 -07:00
Joe Groff
d2fad71328 Merge pull request #42589 from jckarter/begin-partial-apply-simplification-pass 
[SIL] Initial work on PartialApplySimplification pass
 2022-05-02 10:20:39 -07:00
Josh Soref
81d3ad76ac Spelling ast (#42463) 
* spelling: accessor

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* spelling: existence

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* spelling: existential

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* spelling: explicit

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* spelling: expressed

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* spelling: function

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* spelling: implicit

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* spelling: instance

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* spelling: interchangeable

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* spelling: interface

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* spelling: introduced

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* spelling: opaque

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* spelling: something

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* spelling: specializations

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* spelling: statement

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* spelling: stripped

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* spelling: structure

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* spelling: substitution

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* spelling: transitively

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* spelling: typecheck

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* spelling: whether

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Co-authored-by: Josh Soref <jsoref@users.noreply.github.com>
 2022-04-21 12:57:16 -07:00
Joe Groff
1e2bda9ea0 Extensions to SILBoxType to represent captures. 
- Add a `[reflection]` bit to `alloc_box` instructions, to indicate that a box
  should be allocated with reflection metadata attached.
- Add a `@captures_generics` attribute to SILLayouts, to indicate a type layout
  that captures the generic arguments it's substituted with, meaning it can
  recreate the generic environment without additional ABI-level arguments, like
  a generic partial application can.
 2022-04-21 12:51:46 -07:00
Allan Shortlidge
cc0627a8cb Merge pull request #42276 from tshortli/global-actor-broken-swift-interface 
ModuleInterface: Wrap synthesized extensions in swiftinterfaces with feature guards
 2022-04-14 15:08:11 -07:00
Allan Shortlidge
f27005b8d0 ModuleInterface: When printing synthesized extensions, we need to be sure to guard them with required features if applicable. Not doing so can result in broken interfaces that do not typecheck because, for instance, a conformance can refer to a nominal type that is only declared when certain features are enabled. 
Also, fix a typo where `#elsif` was printed into interfaces instead of `#elseif`.

Resolves rdar://91509673
 2022-04-12 17:53:59 -07:00
John McCall
5519749ade [NFC] Collect protocol decls, not type, in ExistentialLayout 
Another thing that will be necessary for correctness with
compositions of parameterized protocols.
 2022-04-11 22:15:16 -04:00
Slava Pestov
87155f9baa Merge pull request #42308 from slavapestov/primary-associated-types-feature 
ASTPrinter: Rename PrimaryAssociatedTypes feature to PrimaryAssociatedTypes2
 2022-04-11 17:39:25 -04:00
Slava Pestov
9a7df88bc8 ASTPrinter: Rename PrimaryAssociatedTypes feature to PrimaryAssociatedTypes2 
There was a window where the PrimaryAssociatedTypes feature guarded the old
syntax; let's make sure we don't see breakage if a new standard library is
used with an old compiler.
 2022-04-11 15:27:38 -04:00