languages/dart-sdk
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Daco Harkes c2e15cff6d [vm/ffi] Introduce Struct.create and Union.create 
Structs and unions can now be created from an existing typed data
with the new `create` methods.

The typed data argument to these `create` methods is optional. If
the typed data argument is omitted, a new typed data of the right
size will be allocated.

Compound field reads and writes are unchecked. (These are
TypedDataBase loads and stores, rather than TypedData loads and stores.
And Pointers have no byte length.) Therefore the `create` method taking
existing TypedData objects check whether the length in bytes it at
least the size of the compound.

TEST=pkg/analyzer/test/src/diagnostics/creation_of_struct_or_union_test.dart
TEST=pkg/vm/testcases/transformations/ffi/struct_typed_data.dart
TEST=tests/ffi/structs_typed_data_test.dart
TEST=tests/ffi/vmspecific_static_checks_test.dart

Closes: https://github.com/dart-lang/sdk/issues/45697
Closes: https://github.com/dart-lang/sdk/issues/53418

Change-Id: If12c56106c7ca56611bccfacbc1c680c2d4ce407
CoreLibraryReviewExempt: FFI is a VM and WASM only feature.
Cq-Include-Trybots: luci.dart.try:vm-aot-android-release-arm64c-try,vm-aot-android-release-arm_x64-try,vm-aot-linux-debug-x64-try,vm-aot-linux-debug-x64c-try,vm-aot-mac-release-arm64-try,vm-aot-mac-release-x64-try,vm-aot-obfuscate-linux-release-x64-try,vm-aot-optimization-level-linux-release-x64-try,vm-aot-win-debug-arm64-try,vm-aot-win-debug-x64c-try,vm-aot-win-release-x64-try,vm-appjit-linux-debug-x64-try,vm-asan-linux-release-x64-try,vm-checked-mac-release-arm64-try,vm-eager-optimization-linux-release-ia32-try,vm-eager-optimization-linux-release-x64-try,vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64c-try,vm-ffi-qemu-linux-release-arm-try,vm-ffi-qemu-linux-release-riscv64-try,vm-fuchsia-release-x64-try,vm-kernel-linux-debug-x64-try,vm-kernel-precomp-linux-release-x64-try,vm-linux-debug-ia32-try,vm-linux-debug-x64-try,vm-linux-debug-x64c-try,vm-mac-debug-arm64-try,vm-mac-debug-x64-try,vm-msan-linux-release-x64-try,vm-reload-linux-debug-x64-try,vm-reload-rollback-linux-debug-x64-try,vm-ubsan-linux-release-x64-try,vm-win-debug-arm64-try,vm-win-debug-x64-try,vm-win-debug-x64c-try,vm-win-release-ia32-try
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/342763
Commit-Queue: Daco Harkes <dacoharkes@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
Reviewed-by: Martin Kustermann <kustermann@google.com>
2024-01-27 09:28:40 +00:00
..
co19 [co19] Roll co19 to b5126f0bd51ea0819df8d5c362574f951a564940 2024-01-12 11:23:39 +00:00
corelib Update tests to pass in web/production mode. 2024-01-08 17:21:29 +00:00
dartdevc [test] Remove use of unwrapType() from test 2024-01-26 23:56:11 +00:00
ffi [vm/ffi] Introduce Struct.create and Union.create 2024-01-27 09:28:40 +00:00
language Fix missing analyzer error when pattern for-in iterable is nullable. 2024-01-24 22:23:09 +00:00
lib [dart:js_interop] Add isA helper 2024-01-25 18:52:45 +00:00
modular [tests] Add repro for cross module constant 2023-11-13 22:21:40 +00:00
standalone [vm/io] Null-terminate scope-copied CStrings. 2024-01-26 22:08:37 +00:00
web [dart2wasm] Split --omit-type-checks into --omit-{implicit,explicit}-checks 2024-01-25 09:52:25 +00:00
legacy_status_dart2js.csv
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README.md

README.md

This directory contains tests of the language and core library implementations. For more information, see https://github.com/dart-lang/sdk/wiki/Testing.