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81 Commits

Author SHA1 Message Date
Becca Royal-Gordon
fa2ebd9486 Modify test to work correctly on simulator 
`simctl spawn` does not propagate exit codes through, so we need the test to exit using `exit(0)`, not `fatalError()`.
 2024-03-30 00:32:30 -07:00
Becca Royal-Gordon
a02698ba06 [PrintAsClang] Fix thunks for throwing Never funcs 
Extend the previous commit’s support for functions that return Never to also properly generate code for *throwing* Never functions. This is a little subtle because:

• At the SWIFT_CALL level, throwing Never functions are *not* noreturn
• At the thunk level, throwing Never functions are noreturn *only* if you’re using exceptions; if you’re using swift::Expected, they should throw
• In either case, the compiler cannot statically prove that thunks are noreturn except on the error path, so we need to add an abort() call on the success path
 2024-03-29 22:12:20 -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
Saleem Abdulrasool
d61b8855e9 stdlib: map wchar_t to UInt16 on Windows 
This is an ABI breaking change for Windows.  `WCHAR` on Windows is
mapped to `short` (`-fshort-wchar` makes it `unsigned short`).  When C++
interop is enabled, `WCHAR` will be mapped to `wchar_t` which is then
mapped to `short` (or `unsigned short` if `-fshort-wchar` is specified).
Correct the mapping type to get the desired behaviour.
 2023-10-09 20:02:48 -07:00
Egor Zhdan
926653d9fa [cxx-interop][SwiftToCxx] Print operator keyword when mapping Swift operator to C++ 
Previously we emitted this:
```
SWIFT_INLINE_THUNK bool ==(const IntBox& lhs, const IntBox& rhs)
```
which is not valid in C++.

Now we'll emit this:
```
SWIFT_INLINE_THUNK bool operator==(const IntBox& lhs, const IntBox& rhs)
```

rdar://114772296
 2023-09-01 20:06:41 +01:00
Alex Lorenz
c7836e3a8e [interop][SwiftToCxx] avoid emitting ambiguous C++ overloads 
Just do an arity check for now
 2023-05-05 17:07:43 -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
601802820e [interop][SwiftToCxx] do not assert when emitting a public var and function with the same C++ name 2023-04-24 14:03:46 -07:00
Alex Lorenz
75fd11cffc [interop][SwiftToCxx] hide swift::Error APIs by default in C++ Swift stdlib overlay 
They're still experimental
 2023-03-10 08:34:45 -08:00
Alex Lorenz
0dc90d38c1 [interop][SwiftToCxx] emit Swift's stdlib inside of 'swift' namespace 2023-03-09 17:32:43 -08:00
Alex Lorenz
c2a93f0480 [interop][SwiftToCxx] allow emission of overloaded functions with the same name 2023-03-02 16:34:06 -08:00
Alex Lorenz
1d3797308d [interop][SwiftToCxx] do not expose functions / properties that throw without the experimental feature 2023-03-02 15:22:36 -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
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
Alex Lorenz
0b0cc99c98 [interop][SwiftToCxx] avoid -Wshadow warning for C++ representation of enum member parameters 2023-02-08 12:33:18 -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
Alex Lorenz
a6e056ba7e Merge pull request #62701 from Robertorosmaninho/cxx-interop/RefactorSwiftReturnThank 
Refactor C++ to return Swift::Expected instead of SWIFT_RETURN_THUNK
 2022-12-20 07:31:55 -08:00
Roberto Rosmaninho
fc68fb304e Refactoring the C++ thunk to directly return the Swift::Expected intead od the SWIFT_RETURN_THUNK macro 2022-12-19 19:48:35 -03:00
Alex Lorenz
8cd18670bf [interop][SwiftToCxx] disable the arm64e testing for swift-expected-execution.cpp 2022-12-19 10:13:54 -08:00
Roberto Rosmaninho
ce666ac592 [Interop][SwiftToCxx] Adding support to return Swift::Expected when exceptions are not available. 2022-12-14 12:07:43 -03:00
Roberto Rosmaninho
a2633d942b [Interop][SwiftToCxx] Fixing swift-expected-execution.cpp test 2022-12-14 12:07:43 -03:00
Roberto Rosmaninho
782bc6aa6f [Interop][SwiftToCxx] Moving swift::Expected to _SwiftStdlibCxxOverlay.h 2022-12-14 12:07:43 -03:00
Roberto Rosmaninho
74450be9d2 [Interop][SwiftToCxx] Moving the max function to _impl namespace and assigning swift-expected-execution.cpp as unsupported by Windows. 2022-12-14 12:07:43 -03:00
Roberto Rosmaninho
6d1696260f [Interop] [SwiftToCxx] Using buffer to create an instance for either a type or an Error and fixing minor errors 2022-12-14 12:07:43 -03:00
Roberto Rosmaninho
3f6351d2ee [Interop][SwiftToCxx] Add new line 2022-12-14 12:07:43 -03:00
Roberto Rosmaninho
c42dfea346 [Interop][SwiftToCxx] Creating test cases for swift::Expected 2022-12-14 12:07:43 -03:00
Alex Lorenz
5c703b4f5c [interop][SwiftToCxx] support std::string -> Swift::String conversion in C++ 2022-12-13 13:13:05 -08:00
Alex Lorenz
d0e5372fc0 [interop][SwiftToCxx] give explicit error for @alwaysEmitIntoClient exposed functions 2022-12-06 11:44:29 -08:00
Roberto Rosmaninho
b42f45cb21 [Interop][SwiftToCxx] Modifying tests to verify the that the dynamic cast error returns a Swift::Optional 2022-11-18 22:16:00 -03:00
Allan Shortlidge
b93a40f03e Test: Temporarily disable swift-functions-errors-execution.cpp on arm64e. 2022-11-10 18:21:57 -08:00
Alex Lorenz
0312e0613d [interop][SwiftToCxxToSwift] hide reverse interop module namespaces from forward interop 2022-11-07 15:52:04 -08:00
Alex Lorenz
bd6367986e [interop][SwiftToCxx] report an error for attempts to explicitly expose 'async' functions to C++ 
also fixup distributed actor example in interop test
 2022-11-03 13:46:52 -07:00
Roberto Rosmaninho
5102d19af8 Fixing typo in swift0functions-errors-executions.cpp 2022-10-26 22:22:43 -03:00
Roberto Rosmaninho
edb95c576b Adding unsupported flag for windows-msvc 2022-10-26 20:25:42 -03:00
Roberto Rosmaninho
c92dc41c41 Deleting unnecessary includes and compilation flags 2022-10-21 17:29:00 -03:00
Alex Lorenz
fdc0632659 [interop][SwiftToCxx] do not emit domain ObjC error values in C++ mode 2022-10-21 12:47:18 -07:00
Roberto Rosmaninho
dced1cae29 Fixing test to check the new realist implementation of dynamic cast 2022-10-21 10:22:30 -03:00
Roberto Rosmaninho
5b8a2e213e [SwiftToCxx] Fixing as signature 2022-10-19 17:12:55 -03:00
Roberto Rosmaninho
5af07a470c test/Interop/SwiftToCxx/functions/swift-functions-errors.swift 2022-10-18 18:53:30 -03:00
Alex Lorenz
3a9b6dce9d [interop][SwiftToCxx] add support for emitting Swift stdlib dependency in one header file 
This is the default behavior. You can disable this by specifying the -clang-header-expose-decls= flag explicitly when generating the header
 2022-09-28 08:08:48 -07:00
Alex Lorenz
f4de75ae2c [interop][SwiftToCxx] 'self' param should be handled by type param visitor 2022-09-07 12:45:38 -07:00
Alex Lorenz
1696f94223 [interop][SwiftToCxx] reimplement function lowering to correctly distinguish between direct/indirect return values and parameters 2022-09-07 11:43:38 -07:00
Alex Lorenz
e98d908ff5 Merge pull request #60858 from Robertorosmaninho/cxx-interop/SwiftToCxxErrorHandling 
[SwiftToCxx] Including Cxx representation of Swift's Error
 2022-09-07 08:55:27 -07:00
Roberto Rosmaninho
68bfbddf14 [SwiftToCxx] Creating new test case and fixing namespace 2022-09-05 10:38:28 -03:00
Alex Lorenz
983588851e [interop][SwiftToCxx] fix function_with_array.swift test 2022-08-31 15:31:04 -07:00
Roberto Rosmaninho
9ebc0bd26e [SwiftToCxx] Trowing Swift::Error instead of NaiveException 2022-08-30 16:25:17 -03:00
Doug Gregor
aa05d4a2c9 Move new test where it belongs 2022-08-30 11:09:41 -07:00
Roberto Rosmaninho
ec10c5f5e6 [SwiftToCxx] Adding _Nullable to avoid warnings 2022-08-30 14:15:45 -03:00
Alex Lorenz
d4a7f86e3d [interop][SwiftToCxx] do not emit unsupported function signatures yet 2022-08-16 14:39:22 -07:00
Tongjie Wang
19c7d79540 Add missing pointer nullability annotation for inout function 2022-07-29 02:29:15 -07:00