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78 Commits

Author SHA1 Message Date
Gabor Horvath
ae1f8042c0 [cxx-interop] Fix extra indirection when exporting CFData arguments/return values 
The clang nodes associated with Swift's Core Foundation types can already be
represented by a pointer. The interop code does not need to add an extra
layer of indirection in those cases.

rdar://119840281
 2024-06-12 16:39:20 +01:00
Becca Royal-Gordon
ee24bdf06f Merge pull request #72402 from beccadax/noreturn-for-tomorrow 
[PrintAsClang] Fix thunks for Never funcs
 2024-03-30 05:30:56 -07:00
Becca Royal-Gordon
80f38be3b8 [PrintAsClang] Fix thunks for Never funcs 
Swift-to-C++ thunk printing for functions didn’t really take into account Swift’s `Never` type. This type maps to `SWIFT_NORETURN`, but it also requires other tweaks to code generation, such as omitting the `return` keyword. (Removing that requires minor changes to many tests.)

Fixes rdar://124137073.
 2024-03-29 22:12:19 -07:00
Allan Shortlidge
8f4af40f91 tests: Un-XFAIL some CxxInterop tests that pass now. 2024-03-27 22:20:50 -07:00
Karoy Lorentey
68a8c41e81 [test] Temporarily XFAIL tests that expect swiftinterface files to work when using Optional and other stdlib features 2024-03-18 11:09:08 -07:00
Doug Gregor
b5fc2fc036 [Generated header] Emit members of enum extensions into C++ class 
As we do with Swift structs, emit the members of extensions of Swift
enums into the corresponding C++ class. This includes exposing more of
the Optional API from the standard library into Swift.
 2024-03-05 21:54:47 -08:00
Alex Lorenz
588a35195d [interop][SwiftToCxx] fix a CHECK line in string-to-nsstring.mm 
rdar://118139534
 2023-11-09 13:42:45 -08:00
Alex Lorenz
261f41e973 Merge pull request #69507 from finagolfin/droid 
[android][test] Disable a C++ Interop test that doesn't work with clang 14 from LTS NDK 25
 2023-10-31 09:23:29 -07:00
Alex Lorenz
ca95860530 [interop][SwiftToCxx] ensure Swift generic types can be used as template parameters to other Swift generic types in C++ 
rdar://117015962
 2023-10-30 12:17:29 -07:00
Finagolfin
12d7405956 [android][test] Disable a C++ Interop test that doesn't work with clang 14 from LTS NDK 25 2023-10-30 20:39:00 +05:30
Alex Lorenz
4e519a8d8b [interop][SwiftToCxx] consuming parameters should be passed using an additional copy 
Fixes https://github.com/apple/swift/issues/69372
 2023-10-27 17:29:52 -07:00
Ben Barham
e0b976d150 [CxxInterop] Change C++ interop header ordering 
Consider the case of a toolchain that includes clang is being used to
compile Swift. With the current ordering, the header will be found
relative to that toolchain, which could be out of date as compared to
tip. This is the case today if eg. a 5.7 toolchain is used to build
main/5.9 as the shim header is missing a definition.
 2023-08-17 09:46:28 -07:00
Alex Lorenz
85a431eedf [interop][SwiftToCxx] ensure swift::Int and swift::UInt are usable in generic context 
Fixes https://github.com/apple/swift/issues/63452
 2023-07-12 12:47:49 -07:00
Alex Lorenz
de10b4155e [interop][SwiftToCxx] support copy-assignment operation for Swift value types and prohibit move assignment explicitly 
Fixes https://github.com/apple/swift/issues/66324

Note: move semantics for Swift value types are not yet supported in C++
 2023-06-06 15:55:30 -07:00
Alex Lorenz
39d86bc701 [interop][SwiftToCxx] the not yet implemented move constructor for Swift value types should lead to link error when a move is used in Swift, not runtime error 2023-05-07 08:55:28 -07:00
Alex Lorenz
a1dc63ec46 Merge pull request #65728 from hyp/eng/safe-overloads-and-unavailable-unemitted-decls-in-cxx 
[interop][SwiftToCxx] avoid emitting ambiguous C++ overloads and emit unavailable type stubs for top level types that could not be emitted in the C++ section of the generated header
 2023-05-07 06:25:03 -07:00
Alex Lorenz
ace328af62 Merge pull request #65683 from hyp/swift-string-from-literal 
[interop][SwiftToCxx] add swift::String overlay constructor for const…
 2023-05-06 09:41:13 -07:00
Alex Lorenz
4010357ae1 [interop][SwiftToCxx] fix foundation-type-not-exposed-by-default-to-cxx.swift test on Linux and Windows 2023-05-06 06:55:48 -07:00
Alex Lorenz
bf35e3f55a [interop][SwiftToCxx] provide a clear unavailable message for protocol decls in C++ 2023-05-05 17:03:28 -07:00
Alex Lorenz
aff3568a12 [interop][SwiftToCxx] emit unavailable type stubs for top level types that could not be emitted in the C++ section of the generated header 2023-05-05 17:03:26 -07:00
Alex Lorenz
c41774188c [interop][SwiftToCxx] add swift::String overlay constructor for constructing it directly from a C string literal 
resolves https://github.com/apple/swift/issues/63448
 2023-05-05 06:29:59 -07:00
Alex Lorenz
f4f6f7a408 [interop][SwiftToCxx] avoid importing C++ stdlib in C++ section of generated header inside of 'pragma clang attribute' block 2023-05-04 17:01:39 -07:00
Alex Lorenz
7efae9a74c [interop][SwiftToCxx] add additional type representation emission check for associated enum element types 
This ensures that we do not try to emit enums whose associated values come from dependent modules that don't have a C++ representation
 2023-04-24 12:31:30 -07:00
Alex Lorenz
c4cc9e8e42 [interop][SwiftToCxx] do not error out on -Wnon-modular-include-in-framework-module clang diagnostic when importing the generated header as part of a framework back into C++ via a Clang module 2023-03-30 08:40:40 -07:00
Alex Lorenz
f405fb0fa8 [interop][SwiftToCxx] do not expose @alwaysEmitIntoClient properties to C++ 2023-03-15 10:01:37 -07:00
Alex Lorenz
94c1de7611 [interop][SwiftToCxx] use 'SWIFT_INLINE_PRIVATE_HELPER' macro for static returnNewValue functions to ensure attribute(used) isn't applied to them 2023-03-15 09:13:38 -07:00
Alex Lorenz
3cce09e769 [interop][SwiftToCxx] annotate several value members types as 'noexcept' 
C++/clang is more strict about requiring noexcept in templates so we need some explicit annotations
 2023-03-12 11:49:14 -07:00
Alex Lorenz
0dc90d38c1 [interop][SwiftToCxx] emit Swift's stdlib inside of 'swift' namespace 2023-03-09 17:32:43 -08:00
Alex Lorenz
3adf16eb28 Merge pull request #64083 from hyp/eng/api-stdlib-arg-labels 
[interop][SwiftToCxx] incorporate argument labels into Stdlib API nam…
 2023-03-03 21:37:40 -08:00
Alex Lorenz
97dc2758d7 Merge pull request #64075 from hyp/eng/lambda-attrs 
[interop][SwiftToCxx] use 'nodebug' for inline thunks and apply inline and artificial attributes to lambd…
 2023-03-03 21:37:25 -08:00
Alex Lorenz
13a63f4b05 [interop][SwiftToCxx] incorporate argument labels into Stdlib API names in C++ 
This allows easier use and more wider API exposure from the Swift stdlib

In the future, all functions and method should incorporate argument labels, but it's not yet clear how
 2023-03-03 14:15:48 -08:00
Alex Lorenz
7caf34c190 [interop][SwiftToCxx] apply inline and artificial attributes to lambdas used with returnNewValue 2023-03-03 11:45:46 -08:00
Mishal Shah
aced44a84b Merge pull request #63187 from apple/rebranch 
Merge `rebranch` into `main` to support `stable/20221013` llvm-project branch
 2023-03-03 11:01:34 -08:00
Alex Lorenz
2dcbeb0bc9 [interop][SwiftToCxx] do not require @_expose when generating C++ interface for a Swift module 
Instead, we emit API bindings for all supported public APIs, when -enable-experimental-cxx-interop is enabled
 2023-03-02 14:06:47 -08:00
Alex Lorenz
4c24669c66 [interop][SwiftToCxx] add 'has-expose-attr-or-stdlib' mode to -clang-header-expose-decls flag 
This mode allows the user to fallback to the old behavior that required @expose annotations, while still having standard library interfaces emitted in one header
 2023-03-02 13:58:23 -08:00
Arnold Schwaighofer
1dfc30eb1f Merge remote-tracking branch 'origin/main' into rebranch 2023-02-27 09:18:56 -08:00
Alex Lorenz
3948a2a5d3 [interop][SwiftToCxx] annotate inline thunks with SWIFT_INLINE_THUNK 
This macro applies always_inline in addition to inline. It also applies artificial, which lets debugger know that this is an artificial function. The used attribute is added in debug builds to ensure that the symbol is emitted in the binary so that LLDB can invoke it.
 2023-02-24 11:23:46 -08:00
swift-ci
2c2900a229 Merge remote-tracking branch 'origin/main' into rebranch 2023-02-09 06:33:03 -08:00
Alex Lorenz
b70ba0963d [interop][SwiftToCxx] remove extraneous ';' from generated header 2023-02-08 12:43:30 -08:00
Alex Lorenz
0b0cc99c98 [interop][SwiftToCxx] avoid -Wshadow warning for C++ representation of enum member parameters 2023-02-08 12:33:18 -08:00
swift-ci
7fc8b1111d Merge remote-tracking branch 'origin/main' into rebranch 2023-01-17 17:15:15 -08:00
Alex Lorenz
cc5b557cee [interop][SwiftToCxx] Attach SWIFT_SYMBOL to C++ enum case declarations 2023-01-12 14:01:30 -08:00
Alex Lorenz
3b3d6c825a [interop][SwiftToCxx] Annotate emitted declarations with Clang's external_source_symbol attribute 
Each emitted declaration is annotated with the external_source_symbol with its own USR, to allow Clang's indexer to recognize this declaration as a Swift declaration with a specific USR
 2023-01-12 12:15:01 -08:00
swift-ci
efb80004f1 Merge remote-tracking branch 'origin/main' into rebranch 2022-12-15 14:33:36 -08:00
Alex Lorenz
15b100784b [interop][SwiftToCxx] relax the swift-stdlib-in-cxx.swift testcase 2022-12-15 07:15:52 -08:00
Alex Lorenz
a7ec9f1fcb [interop][SwiftToCxx] also test for UTF8View API in the test 2022-12-14 16:30:59 -08:00
Alex Lorenz
5e09a5c30b [interop][SwiftToCxx] move std::string -> Swift String constructor to the overlay header 2022-12-14 16:27:29 -08:00
Alex Lorenz
28af8bef55 [interop][SwiftToCxx] make it possible to convert Swift String to a std::string in C++ 
This is done by exposing nested Index and UTF8View type in String. Nested types aren't
supported yet, so we need to employ a number of hacks to emit them.
 2022-12-14 16:22:41 -08:00
swift-ci
8df84bd87a Merge remote-tracking branch 'origin/main' into rebranch 2022-12-13 20:54:17 -08:00
Alex Lorenz
5c703b4f5c [interop][SwiftToCxx] support std::string -> Swift::String conversion in C++ 2022-12-13 13:13:05 -08:00