Daco Harkes
b3cc093e4c
TEST=Manually tested in local engine build for Flutter. Bug: https://github.com/dart-lang/sdk/issues/50565 Change-Id: I281f2e3b2fb65091a73fc33d01c0e5e7f79beac3 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/312908 Commit-Queue: Daco Harkes <dacoharkes@google.com> Reviewed-by: Hossein Yousefi <yousefi@google.com>
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
// Copyright (c) 2023, 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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#include "vm/ffi/native_assets.h"
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#include "vm/hash_table.h"
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#include "vm/object_store.h"
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#include "vm/symbols.h"
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namespace dart {
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ArrayPtr GetNativeAssetsMap(Thread* thread) {
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Zone* const zone = thread->zone();
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ObjectStore* const object_store = thread->isolate_group()->object_store();
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auto& native_assets_map =
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Array::Handle(zone, object_store->native_assets_map());
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if (!native_assets_map.IsNull()) {
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return native_assets_map.ptr();
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}
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#if defined(DART_PRECOMPILED_RUNTIME)
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// For now not configuring native assets is supported.
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return Array::null();
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#else // defined(DART_PRECOMPILED_RUNTIME)
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const auto& native_assets_library =
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Library::Handle(zone, object_store->native_assets_library());
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if (native_assets_library.IsNull()) {
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// For now not configuring native assets is supported.
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return Array::null();
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}
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auto& pragma = Object::Handle(zone);
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const bool pragma_found = native_assets_library.FindPragma(
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thread, /*only_core=*/false, native_assets_library,
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Symbols::vm_ffi_native_assets(),
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/*multiple=*/false, &pragma);
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ASSERT(pragma_found);
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// This map is formatted as follows:
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//
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// '<target_string>': {
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// '<asset_uri>': ['<path_type>', '<path (optional)>']
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// }
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//
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// It is generated by: pkg/vm/lib/native_assets/synthesizer.dart
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const auto& abi_map = Map::Cast(pragma);
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const auto& current_abi = String::Handle(
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zone, String::NewFormatted("%s_%s", kTargetOperatingSystemName,
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kTargetArchitectureName));
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Map::Iterator abi_iterator(abi_map);
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auto& abi = String::Handle(zone);
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auto& asset_map = Map::Handle(zone);
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while (abi_iterator.MoveNext()) {
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abi = String::RawCast(abi_iterator.CurrentKey());
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if (abi.Equals(current_abi)) {
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asset_map = Map::RawCast(abi_iterator.CurrentValue());
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break;
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}
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}
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const intptr_t asset_map_length = asset_map.IsNull() ? 0 : asset_map.Length();
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NativeAssetsMap map(
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HashTables::New<NativeAssetsMap>(asset_map_length, Heap::kOld));
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if (!asset_map.IsNull()) {
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String& asset = String::Handle(zone);
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Array& path = Array::Handle(zone);
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Map::Iterator iterator2(asset_map);
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bool duplicate_asset = false;
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while (iterator2.MoveNext()) {
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asset = String::RawCast(iterator2.CurrentKey());
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path = Array::RawCast(iterator2.CurrentValue());
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duplicate_asset = map.UpdateOrInsert(asset, path);
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ASSERT(!duplicate_asset);
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}
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}
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native_assets_map = map.Release().ptr();
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object_store->set_native_assets_map(native_assets_map);
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return native_assets_map.ptr();
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#endif // defined(DART_PRECOMPILED_RUNTIME)
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}
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} // namespace dart
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