tree a5806e4964bde936c4612eb1e6265a2b18e34f2d
parent dbd91bb2535d71d31ef7b0d5eac13d3f3c24d211
author Daco Harkes <dacoharkes@google.com> 1642689706 +0000
committer Daco Harkes <dacoharkes@google.com> 1642689706 +0000

[vm/ffi] Add common C types

We're adding these types to `dart:ffi` rather than `package:ffi` so that
they can be used with `FfiNative`s.

Adds `NativeType`s for the following C types:

* char
* unsigned char
* signed char
* short
* unsigned short
* int
* unsigned int
* long
* unsigned long
* long long
* unsigned long long
* uintptr_t
* size_t
* wchar_t

Because the C standard only defines minimum sizes for many of these
types, future platforms might diverge from the typical size even if all
platforms currently agree on a size. To avoid having to reification
later, we define all types as AbiSpecificIntegers rather than typedefs,
even if all current target platforms agree on the size.

Closes: https://github.com/dart-lang/sdk/issues/36140

TEST=tests/ffi/c_types_test.dart

Change-Id: Ie97d253856d787386529231e8060f879069be886
Cq-Include-Trybots: luci.dart.try:dart-sdk-linux-try,dart-sdk-mac-try,dart-sdk-win-try,vm-ffi-android-debug-arm64c-try,vm-ffi-android-debug-arm-try,vm-canary-linux-debug-try,vm-fuchsia-release-x64-try,vm-kernel-gcc-linux-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-kernel-mac-debug-x64-try,vm-kernel-mac-release-arm64-try,vm-kernel-nnbd-win-release-ia32-try,vm-kernel-nnbd-win-release-x64-try,vm-precomp-ffi-qemu-linux-release-arm-try,vm-kernel-win-release-x64-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/228541
Reviewed-by: Martin Kustermann <kustermann@google.com>