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d82ca1a9c7
This has coupled changes in package:ffi and package:tflite_native which are pinned in DEPS. This CL includes the required analyzer changes from https://dart-review.googlesource.com/c/sdk/+/121647. Issue: https://github.com/dart-lang/sdk/issues/38611 Change-Id: I712a886fd28ce0a2954fc42c90e1dfa495057732 Cq-Include-Trybots: luci.dart.try:vm-ffi-android-debug-arm-try,vm-ffi-android-debug-arm64-try,app-kernel-linux-debug-x64-try,vm-kernel-linux-debug-ia32-try,vm-dartkb-linux-debug-simarm64-try,vm-kernel-win-debug-x64-try,vm-kernel-win-debug-ia32-try,vm-dartkb-linux-debug-x64-try,vm-kernel-precomp-linux-debug-x64-try,vm-dartkb-linux-release-x64-abi-try,vm-kernel-precomp-android-release-arm64-try,vm-kernel-asan-linux-release-x64-try,vm-kernel-linux-release-simarm-try,vm-kernel-linux-release-simarm64-try,vm-kernel-precomp-android-release-arm_x64-try,vm-kernel-reload-mac-release-simdbc64-try,vm-kernel-precomp-obfuscate-linux-release-x64-try,vm-kernel-reload-rollback-linux-debug-x64-try,vm-kernel-precomp-mac-release-simarm_x64-try,dart-sdk-linux-try Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/121422 Commit-Queue: Daco Harkes <dacoharkes@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com>
121 lines
3.2 KiB
Dart
121 lines
3.2 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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//
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// Dart test program for testing dart:ffi function pointers with struct
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// arguments.
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//
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// SharedObjects=ffi_test_functions
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library FfiTest;
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import 'dart:ffi';
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import 'dylib_utils.dart';
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import "package:expect/expect.dart";
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import "package:ffi/ffi.dart";
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import 'coordinate.dart';
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import 'very_large_struct.dart';
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typedef NativeCoordinateOp = Pointer<Coordinate> Function(Pointer<Coordinate>);
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void main() {
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testFunctionWithStruct();
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// testFunctionWithStructArray();
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// testFunctionWithVeryLargeStruct();
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}
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DynamicLibrary ffiTestFunctions = dlopenPlatformSpecific("ffi_test_functions");
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/// pass a struct to a c function and get a struct as return value
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void testFunctionWithStruct() {
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Pointer<NativeFunction<NativeCoordinateOp>> p1 =
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ffiTestFunctions.lookup("TransposeCoordinate");
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NativeCoordinateOp f1 = p1.asFunction();
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Pointer<Coordinate> c1 = Coordinate.allocate(10.0, 20.0, nullptr).addressOf;
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Pointer<Coordinate> c2 = Coordinate.allocate(42.0, 84.0, c1).addressOf;
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c1.ref.next = c2;
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Coordinate result = f1(c1).ref;
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Expect.approxEquals(20.0, c1.ref.x);
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Expect.approxEquals(30.0, c1.ref.y);
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Expect.approxEquals(42.0, result.x);
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Expect.approxEquals(84.0, result.y);
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free(c1);
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free(c2);
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}
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/// pass an array of structs to a c funtion
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void testFunctionWithStructArray() {
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Pointer<NativeFunction<NativeCoordinateOp>> p1 =
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ffiTestFunctions.lookup("CoordinateElemAt1");
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NativeCoordinateOp f1 = p1.asFunction();
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Coordinate c1 = allocate<Coordinate>(count: 3).ref;
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Coordinate c2 = c1.addressOf[1];
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Coordinate c3 = c1.addressOf[2];
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c1.x = 10.0;
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c1.y = 10.0;
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c1.next = c3.addressOf;
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c2.x = 20.0;
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c2.y = 20.0;
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c2.next = c1.addressOf;
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c3.x = 30.0;
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c3.y = 30.0;
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c3.next = c2.addressOf;
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Coordinate result = f1(c1.addressOf).ref;
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Expect.approxEquals(20.0, result.x);
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Expect.approxEquals(20.0, result.y);
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free(c1.addressOf);
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}
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typedef VeryLargeStructSum = int Function(Pointer<VeryLargeStruct>);
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typedef NativeVeryLargeStructSum = Int64 Function(Pointer<VeryLargeStruct>);
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void testFunctionWithVeryLargeStruct() {
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Pointer<NativeFunction<NativeVeryLargeStructSum>> p1 =
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ffiTestFunctions.lookup("SumVeryLargeStruct");
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VeryLargeStructSum f = p1.asFunction();
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VeryLargeStruct vls1 = allocate<VeryLargeStruct>(count: 2).ref;
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VeryLargeStruct vls2 = vls1.addressOf[1];
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List<VeryLargeStruct> structs = [vls1, vls2];
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for (VeryLargeStruct struct in structs) {
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struct.a = 1;
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struct.b = 2;
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struct.c = 4;
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struct.d = 8;
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struct.e = 16;
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struct.f = 32;
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struct.g = 64;
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struct.h = 128;
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struct.i = 256;
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struct.j = 512;
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struct.k = 1024;
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struct.smallLastField = 1;
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}
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vls1.parent = vls2.addressOf;
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vls1.numChildren = 2;
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vls1.children = vls1.addressOf;
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vls2.parent = vls2.addressOf;
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vls2.parent = nullptr;
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vls2.numChildren = 0;
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vls2.children = nullptr;
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int result = f(vls1.addressOf);
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Expect.equals(2051, result);
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result = f(vls2.addressOf);
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Expect.equals(2048, result);
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free(vls1.addressOf);
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}
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