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5a1ef6089c
This reverts commitf706ff4ee2. Reason for revert: b/321667799 - package:win32 uses this method -a78ff108fb/lib/src/com/iapplicationactivationmanager.dart (L46)Original change's description: > [ffi]: Remove pointer elementAt method. > > Closes #54250 > > TEST=test/ffi > > R=dacoharkes@google.com > Change-Id: I0e88adfcfe3caef0ad3bb6814ad8f27dce5dc7f4 > CoreLibraryReviewExempt: FFI only > Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/346380 > Reviewed-by: Daco Harkes <dacoharkes@google.com> > Commit-Queue: Martin Kustermann <kustermann@google.com> > Reviewed-by: Martin Kustermann <kustermann@google.com> > Auto-Submit: Shikhar <shikharish05@gmail.com> Change-Id: I1b7a48d14e9b85676a27f76a926e21cac9c76c85 No-Presubmit: true No-Tree-Checks: true No-Try: true Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/347600 Reviewed-by: Martin Kustermann <kustermann@google.com> Reviewed-by: Daco Harkes <dacoharkes@google.com> Commit-Queue: Daco Harkes <dacoharkes@google.com>
108 lines
3.4 KiB
Dart
108 lines
3.4 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 struct pointers.
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//
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// VMOptions=--deterministic
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//
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// SharedObjects=ffi_test_functions
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import 'dart:ffi';
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import 'dylib_utils.dart';
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import 'ffi_test_helpers.dart';
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/// Estimate of how many allocations functions in `functionsToTest` do at most.
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const gcAfterNAllocationsMax = 10;
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void main() {
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for (Function() f in functionsToTest) {
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f(); // Ensure code is compiled.
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for (int n = 1; n <= gcAfterNAllocationsMax; n++) {
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collectOnNthAllocation(n);
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f();
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}
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}
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}
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final List<Function()> functionsToTest = [
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// Pointer operations.
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() => highAddressPointer.cast<Double>(),
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() => Pointer.fromAddress(highAddressPointer.address),
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() => highAddressPointer.address,
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() => highAddressPointer.elementAt(1),
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() => highAddressPointer + 1,
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() => highAddressPointer.offsetBy(1),
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() => highAddressPointer.asTypedList(1),
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// DynamicLibrary operations.
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doDlopen,
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doDlsym, // Includes `asFunction`.
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() => ffiTestFunctions.handle,
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// Trampolines.
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() => sumManyIntsOdd(1, 2, 3, 4, 5, 6, 7, 8, 9, 10, mint64bit),
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() => sumManyDoubles(1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0),
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minInt64,
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minInt32,
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smallDouble,
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largePointer,
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// Callback trampolines.
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//
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// In regress_37511_callbacks_test.dart because callbacks are not supported
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// in AOT yet.
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];
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// Pointer operation helpers.
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const mint32bit = 0xFFFFFFF0;
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const mint64bit = 0x7FFFFFFFFFFFFFF0;
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final int highAddress = sizeOf<IntPtr>() == 4 ? mint32bit : mint64bit;
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final Pointer<Int64> highAddressPointer = Pointer.fromAddress(highAddress);
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// Dynamic library operation helpers.
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final doDlopen = () => dlopenPlatformSpecific("ffi_test_functions");
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final doDlsym = () => ffiTestFunctions
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.lookupFunction<NativeNullaryOp, NullaryOpVoid>("TriggerGC");
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// Trampoline helpers.
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typedef NativeUndenaryOp = IntPtr Function(IntPtr, IntPtr, IntPtr, IntPtr,
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IntPtr, IntPtr, IntPtr, IntPtr, IntPtr, IntPtr, IntPtr);
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typedef UndenaryOp = int Function(
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int, int, int, int, int, int, int, int, int, int, int);
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final UndenaryOp sumManyIntsOdd = ffiTestFunctions
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.lookupFunction<NativeUndenaryOp, UndenaryOp>("SumManyIntsOdd");
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typedef NativeDoubleDecenaryOp = Double Function(Double, Double, Double, Double,
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Double, Double, Double, Double, Double, Double);
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typedef DoubleDecenaryOp = double Function(double, double, double, double,
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double, double, double, double, double, double);
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final DoubleDecenaryOp sumManyDoubles = ffiTestFunctions
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.lookupFunction<NativeDoubleDecenaryOp, DoubleDecenaryOp>("SumManyDoubles");
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typedef NativeNullaryOp64 = Int64 Function();
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typedef NativeNullaryOp32 = Int32 Function();
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typedef NativeNullaryOpDouble = Double Function();
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typedef NullaryOpPtr = Pointer<Void> Function();
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typedef NullaryOp = int Function();
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typedef NullaryOpDbl = double Function();
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final minInt64 =
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ffiTestFunctions.lookupFunction<NativeNullaryOp64, NullaryOp>("MinInt64");
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final minInt32 =
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ffiTestFunctions.lookupFunction<NativeNullaryOp32, NullaryOp>("MinInt32");
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final smallDouble = ffiTestFunctions
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.lookupFunction<NativeNullaryOpDouble, NullaryOpDbl>("SmallDouble");
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final largePointer =
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ffiTestFunctions.lookupFunction<NullaryOpPtr, NullaryOpPtr>("LargePointer");
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