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48 Commits

Author SHA1 Message Date
Alex Lorenz
42bd9d0e64 Merge pull request #65680 from hyp/eng/cxx-warning-nomore-in-stdlib-from-gen-hdr 
[interop][SwiftToCxx] avoid importing C++ stdlib in C++ section of ge…
 2023-05-05 14:22:23 -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
228078f074 [interop][SwiftToCxx] remove extraneous semicolon when emitting 'pragma clang module import' 
The semicolon actually causes a compiler error in that case
 2023-05-04 14:56:55 -07:00
Alex Lorenz
a854550fa2 [interop] fix test failure after c4cc9e8e42 
rdar://107445101
 2023-03-30 16:34:50 -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
4fda7f4a9a [interop][SwiftToCxx] do not expose APIs with imported declarations whose modules do not have a generated header as specified by the user 
The frontend option '-clang-header-expose-module' allows the user to specify that APIs from an imported module have been exposed in another generated header, and thus APIs that depend on them can be safely exposed in the current generated header.
 2023-03-10 12:34:02 -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
Alex Lorenz
65a467420e Revert "[interop][SwiftToCxx] add -enable-experimental-cxx-interop-in-clang-header flag that lets you enable reverse interop only" 
This reverts commit c193a63fd4.
 2023-03-02 13:19:34 -08:00
QuietMisdreavus
8d548efbb9 install a list of symbols generated by the PrintAsClang header (#59072) 
rdar://93504690
 2022-12-09 16:38:02 -07:00
Nuri Amari
cd4b9a6416 Add support for textual imports to -emit-objc-header 
Currently headers produced with `-emit-objc-header` /
`-emit-objc-header-path` produce headers that include modular imports.
If the consumer wishes to operate without modules enabled, these headers
cannot be used. This patch introduces a new flag
(`-emit-clang-header-nonmodular-includes`) that when enabled
attempts to argument each modular import included in such a header with
a set of equivalent textual imports.
 2022-12-03 13:07:39 -08:00
Evan Wilde
7c0c89546f Revert "Add support for textual imports to -emit-objc-header" 2022-12-02 15:02:19 -08:00
Nuri Amari
91fd5f80e0 Merge pull request #60971 from NuriAmari/textual-imports 2022-11-29 18:24:19 -08:00
Erik Eckstein
ab1b343dad use new llvm::Optional API 
`getValue` -> `value`
`getValueOr` -> `value_or`
`hasValue` -> `has_value`
`map` -> `transform`

The old API will be deprecated in the rebranch.
To avoid merge conflicts, use the new API already in the main branch.

rdar://102362022
 2022-11-21 19:44:24 +01:00
Nuri Amari
89a01dddfb Add support for textual imports to -emit-objc-header 
Currently headers produced with `-emit-objc-header` /
`-emit-objc-header-path` produce headers that include modular imports.
If the consumer wishes to operate without modules enabled, these headers
cannot be used. This patch introduces a new flag
(`-emit-clang-header-nonmodular-includes`) that when enabled
attempts to argument each modular import included in such a header with
a set of equivalent textual imports.
 2022-11-19 12:05:09 -08:00
Alex Lorenz
de1e67d054 [interop][SwiftToCxx] include the swiftToCxx shim header only when actually needed for reverse interop 2022-10-17 13:12:20 -07:00
Alex Lorenz
f8b54e7ea7 [interop][SwiftToCxx] guard inline emitted Stdlib module 2022-10-03 11:31:06 -07:00
Alex Lorenz
dd7e068391 [interop][SwiftToCxx] add a Swift stdlib overlay header 
It currently provides begin and end functions for array iteration
 2022-09-29 07:41:54 -07:00
Alex Lorenz
a24ebeaa51 [interop][SwiftToCxx] install _SwiftCxxInteroperability.h header as part of compiler build, not stdlib 
The _SwiftCxxInteroperability.h is too tightly coupled to the compiler right now and should not be shipped with the standard library. In the future it could be moved back to the standard library.
 2022-09-28 16:14:33 -07:00
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
c193a63fd4 [interop][SwiftToCxx] add -enable-experimental-cxx-interop-in-clang-header flag that lets you enable reverse interop only 2022-09-27 11:26:21 -07:00
Alex Lorenz
b4d7a0c208 [interop][SwiftToCxx] bridge returned C++ record types back to C++ from Swift 2022-09-11 18:42:41 -07:00
Alex Lorenz
8de79390be [interop][SwiftToCxx] add @_expose(Cxx) attribute support 
This attribute instructs the compiler that this declaration should be included in the generated C++ bindings
 2022-08-24 10:14:07 -07:00
Alex Lorenz
a9f262e322 [interop][SwiftToCxx] add support for passing and returning class values to generic functions 2022-08-08 08:38:28 -07:00
Alex Lorenz
aab5c45c01 [interop][SwiftToCxx] include _SwiftCxxInteroperability.h in the toolchain, relative to clang's resource dir 2022-08-03 18:31:53 +01:00
Alex Lorenz
51f907675f [interop][SwiftToCxx] NFC, move swift::Int&UInt declarations into shims headers 2022-08-01 10:38:05 +01:00
Alex Lorenz
567bb850cc [interop][SwiftToCxx] add _SwiftCxxInteroperability.h shims header and import it for C++ header mode 2022-07-29 08:54:27 +01:00
Alex Lorenz
32723f7e67 [interop][SwiftToCxx] initial generic function support: pass generic parameters 
Only primitive types are supported at the moment from C++ as the type traits aren't emitted for all types yet
 2022-07-28 22:52:21 +01:00
Alex Lorenz
32f2b71fdf [interop][SwiftToCxx] include <new> after <stdlib.h> (fixes local tests) 2022-07-28 20:43:36 +01:00
Tongjie Wang
5b2c6e5b53 use placement new so we don't destory an enum twice 2022-07-25 08:27:19 -07:00
Roberto Rosmaninho
ff222acebc Setting hardcode SWIFT_NOEXCEPT and noexcept flags only to 
non-throwing functions.
Activating swift-functions-errors tests
Inserting macros and additional parameters in C and C++ functions following the pattern to lowering to LLVM IR.
 2022-07-14 12:34:53 -03:00
Alex Lorenz
b8ee625f77 [interop][SwiftToCxx] fix aligned allocation refs 2022-06-16 14:14:40 -07:00
Alex Lorenz
61e484c410 [interop][SwiftToCxx] correctly align allocation for opaque Swift value 2022-06-15 21:47:39 -07:00
Alex Lorenz
d7fd1233a9 [interop][SwiftToCxx] emit instance property getters for structs 2022-06-14 17:20:37 -07:00
Alex Lorenz
f9aa02bbf6 [interop][SwiftToCxx] fix the source compat failures 2022-06-14 07:15:03 -07:00
Alex Lorenz
a65ddbe997 [interop][SwiftToCxx] print out value witness table definition in swift::_impl 2022-06-13 14:26:25 -07:00
Alex Lorenz
132729906c [interop][SwiftToCxx] pass / return Swift struct values between C/C++ and Swift 2022-06-08 07:03:24 -07:00
Alex Lorenz
42c6ff63b8 [interop][SwiftToCxx] Gather initial struct layout information and emit struct stubs with storage in C++ 
This change extends the clang header printer to start emitting C++ classes for Swift struct types with the correct struct layout in them (size + alignment)
 2022-06-01 14:06:25 -07:00
Alex Lorenz
f7902a6095 [cxx-interop] Emit C++ inline function thunks that with correct primitive types 2022-03-29 13:37:01 -07:00
Alex Lorenz
80bc75ab9b [cxx-interop] Emit C++ declarations only when '-clang-header-expose-public-decl' is enabled 
This fix also ensures that we only emit C++ functions for now
 2022-03-20 20:22:02 -07:00
Alex Lorenz
2e3aa87737 Revert "Revert "Merge pull request #41831 from hyp/unify-header"" 
This reverts commit 4c9582c295.
 2022-03-19 13:36:28 -07:00
Alex Lorenz
4c9582c295 Revert "Merge pull request #41831 from hyp/unify-header" 
This reverts commit cd93d23bac, reversing
changes made to f9f5476e9a.
 2022-03-18 10:03:07 -07:00
Alex Lorenz
9d52099d5b [cxx-interop] start to emitting a unified header file for a Swift module 
This change removes the -emit-cxx-header option, and adds a new -emit-clang-header-path option instead. It's aliased to -emit-objc-header-path for now, but in the future, -emit-objc-header-path will alias to it. After this change Swift can start emitting a single header file that can be expose declarations to C, Objective-C, or C++. For now C++ interface is generated (for all public decls) only when -enable-cxx-interop flag is passed, but that behavior will change once  attribute is supported.
 2022-03-17 10:34:47 -07:00
Alex Lorenz
23e56e314c [cxx-interop] add OBJC and cplusplus conditions for emitted header includes 
This will allow us to generate a unified clang header.
 2022-03-15 12:34:27 -07:00
Alex Lorenz
858a847d27 [cxx-interop] use SWIFT_NOEXCEPT for Swift function prototypes 
This will allow these functions to be used from C.

Also add a static_assert to verify that noexcept is actually used.
 2022-03-13 11:08:32 -07:00
Alex Lorenz
fcdcb2a9f1 [interop][SwiftToC++] print C++ interface for top-level Swift functions 2022-03-09 14:53:12 -08:00
Alex Lorenz
54b466f983 [interop] emit a parsable C++ header for a module that includes namespace declaration for the module interface 2022-01-21 07:14:56 -08:00
Alex Lorenz
e106551028 [NFC][interop] rename the PrintAsObjC library to PrintAsClang 
We're starting to support emission of C++ header interfaces, so a language-agnostic name makes more sense
 2022-01-20 11:31:58 -08:00