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c991647404
When attempting to shutdown and subsequently restart the VM, having the VM own this data introduces lifecycle issues due to circular references.
80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/runtime/dart_vm_data.h"
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namespace blink {
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std::shared_ptr<const DartVMData> DartVMData::Create(
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Settings settings,
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fml::RefPtr<DartSnapshot> vm_snapshot,
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fml::RefPtr<DartSnapshot> isolate_snapshot,
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fml::RefPtr<DartSnapshot> shared_snapshot) {
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if (!vm_snapshot || !vm_snapshot->IsValid()) {
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// Caller did not provide a valid VM snapshot. Attempt to infer one
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// from the settings.
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vm_snapshot = DartSnapshot::VMSnapshotFromSettings(settings);
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if (!vm_snapshot) {
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FML_LOG(ERROR)
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<< "VM snapshot invalid and could not be inferred from settings.";
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return {};
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}
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}
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if (!isolate_snapshot || !isolate_snapshot->IsValid()) {
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// Caller did not provide a valid isolate snapshot. Attempt to infer one
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// from the settings.
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isolate_snapshot = DartSnapshot::IsolateSnapshotFromSettings(settings);
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if (!isolate_snapshot) {
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FML_LOG(ERROR) << "Isolate snapshot invalid and could not be inferred "
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"from settings.";
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return {};
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}
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}
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if (!shared_snapshot || !shared_snapshot->IsValid()) {
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shared_snapshot = DartSnapshot::Empty();
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if (!shared_snapshot) {
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FML_LOG(ERROR) << "Shared snapshot invalid.";
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return {};
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}
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}
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return std::shared_ptr<const DartVMData>(new DartVMData(
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std::move(settings), //
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std::move(vm_snapshot), //
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std::move(isolate_snapshot), //
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std::move(shared_snapshot) //
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));
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}
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DartVMData::DartVMData(Settings settings,
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fml::RefPtr<const DartSnapshot> vm_snapshot,
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fml::RefPtr<const DartSnapshot> isolate_snapshot,
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fml::RefPtr<const DartSnapshot> shared_snapshot)
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: settings_(settings),
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vm_snapshot_(vm_snapshot),
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isolate_snapshot_(isolate_snapshot),
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shared_snapshot_(shared_snapshot) {}
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DartVMData::~DartVMData() = default;
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const Settings& DartVMData::GetSettings() const {
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return settings_;
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}
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const DartSnapshot& DartVMData::GetVMSnapshot() const {
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return *vm_snapshot_;
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}
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fml::RefPtr<const DartSnapshot> DartVMData::GetIsolateSnapshot() const {
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return isolate_snapshot_;
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}
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fml::RefPtr<const DartSnapshot> DartVMData::GetSharedSnapshot() const {
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return shared_snapshot_;
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}
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} // namespace blink
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