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未验证 提交 bf96dbed 编写于 作者: R Ryan Macnak 提交者： GitHub
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Revert "Some cleanups enabled by removing support for Dart. (#5621)" (#6205) 

This reverts commit 4c2448d1.
上级 33581156
隐藏空白更改
内联 并排
Showing with 731 addition and 195 deletion
common/settings.cc
浏览文件 @ bf96dbed
......@@ -11,6 +11,7 @@ namespace blink {
std::string Settings::ToString() const {
std::stringstream stream;
stream << "Settings: " << std::endl;
stream << "script_snapshot_path: " << script_snapshot_path << std::endl;
stream << "vm_snapshot_data_path: " << vm_snapshot_data_path << std::endl;
stream << "vm_snapshot_instr_path: " << vm_snapshot_instr_path << std::endl;
stream << "isolate_snapshot_data_path: " << isolate_snapshot_data_path
......
common/settings.h
浏览文件 @ bf96dbed
......@@ -23,6 +23,9 @@ using TaskObserverRemove = std::function<void(intptr_t /* key */)>;
struct Settings {
// VM settings
std::string script_snapshot_path;
std::string platform_kernel_path;
std::string vm_snapshot_data_path;
std::string vm_snapshot_instr_path;
std::string isolate_snapshot_data_path;
......
lib/snapshot/BUILD.gn
浏览文件 @ bf96dbed
......@@ -25,145 +25,199 @@ copy("generate_dart_ui") {
]
}
# Fuchsia's snapshot requires a different platform with extra dart: libraries.
if (!is_fuchsia) {
compiled_action("generate_snapshot_bin") {
tool = "//third_party/dart/runtime/bin:gen_snapshot"
platform_kernel = "$root_out_dir/flutter_patched_sdk/platform_strong.dill"
inputs = [
platform_kernel,
]
deps = [
":kernel_platform_files",
]
vm_snapshot_data = "$target_gen_dir/vm_isolate_snapshot.bin"
vm_snapshot_instructions = "$target_gen_dir/vm_snapshot_instructions.bin"
isolate_snapshot_data = "$target_gen_dir/isolate_snapshot.bin"
isolate_snapshot_instructions =
"$target_gen_dir/isolate_snapshot_instructions.bin"
outputs = [
vm_snapshot_data,
vm_snapshot_instructions,
isolate_snapshot_data,
isolate_snapshot_instructions,
]
args = [
"--snapshot_kind=core",
"--await_is_keyword",
"--enable_mirrors=false",
"--vm_snapshot_data=" + rebase_path(vm_snapshot_data),
"--vm_snapshot_instructions=" + rebase_path(vm_snapshot_instructions),
"--isolate_snapshot_data=" + rebase_path(isolate_snapshot_data),
"--isolate_snapshot_instructions=" +
rebase_path(isolate_snapshot_instructions),
rebase_path(platform_kernel),
]
if (is_debug) {
args += [
"--enable_asserts",
"--enable_type_checks",
"--error_on_bad_type",
"--error_on_bad_override",
]
action("generate_snapshot_bin") {
if (is_fuchsia) {
snapshot_dart = "snapshot_fuchsia.dart"
# TODO(rmacnak): Fuchsia cross builds use the wrong Dart target
# architecture, and have added steps that depend on this error for
# reasonable build times (e.g., invoking the analyzer).
if (target_cpu == host_cpu) {
snapshot_kind = "core-jit"
} else {
snapshot_kind = "core"
}
} else {
snapshot_dart = "snapshot.dart"
snapshot_kind = "core"
}
# Generates an assembly file defining a given symbol with the bytes from a
# binary file. Places the symbol in a text section if 'executable' is true,
# otherwise places the symbol in a read-only data section.
template("bin_to_assembly") {
assert(defined(invoker.deps), "Must define deps")
assert(defined(invoker.input), "Must define input binary file")
assert(defined(invoker.output), "Must define output assembly file")
assert(defined(invoker.symbol), "Must define symbol name")
assert(defined(invoker.executable), "Must define boolean executable")
action(target_name) {
deps = invoker.deps
script = "//third_party/dart/runtime/tools/bin_to_assembly.py"
args = [
"--input",
rebase_path(invoker.input),
"--output",
rebase_path(invoker.output),
"--symbol_name",
invoker.symbol,
"--target_os",
current_os,
]
if (invoker.executable) {
args += [ "--executable" ]
}
inputs = [
script,
invoker.input,
]
outputs = [
invoker.output,
]
}
deps = [
":generate_dart_ui",
"//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)",
]
depfile = "$target_gen_dir/core_snapshot.d"
inputs = [
"//third_party/dart/runtime/tools/create_snapshot_bin.py",
snapshot_dart,
] + dart_ui_files
if (is_fuchsia) {
inputs += [ "fuchsia_compilation_trace.txt" ]
}
bin_to_assembly("vm_snapshot_data_assembly") {
deps = [
":generate_snapshot_bin",
]
input = "$target_gen_dir/vm_isolate_snapshot.bin"
output = "$target_gen_dir/vm_snapshot_data.S"
symbol = "kDartVmSnapshotData"
executable = false
}
vm_snapshot_data = "$target_gen_dir/vm_isolate_snapshot.bin"
vm_snapshot_instructions = "$target_gen_dir/vm_snapshot_instructions.bin"
isolate_snapshot_data = "$target_gen_dir/isolate_snapshot.bin"
isolate_snapshot_instructions =
"$target_gen_dir/isolate_snapshot_instructions.bin"
outputs = [
vm_snapshot_data,
vm_snapshot_instructions,
isolate_snapshot_data,
isolate_snapshot_instructions,
]
bin_to_assembly("vm_snapshot_instructions_assembly") {
deps = [
":generate_snapshot_bin",
]
input = "$target_gen_dir/vm_snapshot_instructions.bin"
output = "$target_gen_dir/vm_snapshot_instructions.S"
symbol = "kDartVmSnapshotInstructions"
executable = true
}
rebased_dart_ui_path = rebase_path(dart_ui_path)
gen_snapshot_dir = get_label_info(
"//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)",
"root_out_dir")
script = "//third_party/dart/runtime/tools/create_snapshot_bin.py"
args = [
"--executable",
rebase_path("$gen_snapshot_dir/gen_snapshot"),
"--script",
rebase_path(snapshot_dart),
"--snapshot_kind",
snapshot_kind,
"--vm_flag",
"--await_is_keyword",
"--vm_flag",
"--enable_mirrors=false",
"--vm_output_bin",
rebase_path(vm_snapshot_data, root_build_dir),
"--vm_instructions_output_bin",
rebase_path(vm_snapshot_instructions, root_build_dir),
"--isolate_output_bin",
rebase_path(isolate_snapshot_data, root_build_dir),
"--isolate_instructions_output_bin",
rebase_path(isolate_snapshot_instructions, root_build_dir),
"--url_mapping=dart:ui,$rebased_dart_ui_path",
"--vm_flag",
"--dependencies=" + rebase_path(depfile),
]
bin_to_assembly("isolate_snapshot_data_assembly") {
deps = [
":generate_snapshot_bin",
if (is_debug) {
args += [
"--vm_flag",
"--enable_asserts",
"--vm_flag",
"--enable_type_checks",
"--vm_flag",
"--error_on_bad_type",
"--vm_flag",
"--error_on_bad_override",
]
input = "$target_gen_dir/isolate_snapshot.bin"
output = "$target_gen_dir/isolate_snapshot_data.S"
symbol = "kDartIsolateSnapshotData"
executable = false
}
bin_to_assembly("isolate_snapshot_instructions_assembly") {
deps = [
":generate_snapshot_bin",
if (is_fuchsia) {
inputs += zircon_sdk_ext_files + mozart_dart_sdk_ext_files
zircon_path = rebase_path(zircon_sdk_ext_lib)
fuchsia_path = rebase_path(fuchsia_sdk_ext_lib)
mozart_internal_path = rebase_path(mozart_dart_sdk_ext_lib)
args += [
"--url_mapping=dart:zircon,$zircon_path",
"--url_mapping=dart:fuchsia,$fuchsia_path",
"--url_mapping=dart:mozart.internal,$mozart_internal_path",
"--load_compilation_trace",
rebase_path("fuchsia_compilation_trace.txt"),
]
input = "$target_gen_dir/isolate_snapshot_instructions.bin"
output = "$target_gen_dir/isolate_snapshot_instructions.S"
symbol = "kDartIsolateSnapshotInstructions"
executable = true
}
}
source_set("snapshot") {
deps = [
":isolate_snapshot_data_assembly",
":isolate_snapshot_instructions_assembly",
":vm_snapshot_data_assembly",
":vm_snapshot_instructions_assembly",
# Generates an assembly file defining a given symbol with the bytes from a
# binary file. Places the symbol in a text section if 'executable' is true,
# otherwise places the symbol in a read-only data section.
template("bin_to_assembly") {
assert(defined(invoker.deps), "Must define deps")
assert(defined(invoker.input), "Must define input binary file")
assert(defined(invoker.output), "Must define output assembly file")
assert(defined(invoker.symbol), "Must define symbol name")
assert(defined(invoker.executable), "Must define boolean executable")
action(target_name) {
deps = invoker.deps
script = "//third_party/dart/runtime/tools/bin_to_assembly.py"
args = [
"--input",
rebase_path(invoker.input),
"--output",
rebase_path(invoker.output),
"--symbol_name",
invoker.symbol,
"--target_os",
current_os,
]
sources = [
"$target_gen_dir/isolate_snapshot_data.S",
"$target_gen_dir/isolate_snapshot_instructions.S",
"$target_gen_dir/vm_snapshot_data.S",
"$target_gen_dir/vm_snapshot_instructions.S",
if (invoker.executable) {
args += [ "--executable" ]
}
inputs = [
script,
invoker.input,
]
outputs = [
invoker.output,
]
}
}
bin_to_assembly("vm_snapshot_data_assembly") {
deps = [
":generate_snapshot_bin",
]
input = "$target_gen_dir/vm_isolate_snapshot.bin"
output = "$target_gen_dir/vm_snapshot_data.S"
symbol = "kDartVmSnapshotData"
executable = false
}
bin_to_assembly("vm_snapshot_instructions_assembly") {
deps = [
":generate_snapshot_bin",
]
input = "$target_gen_dir/vm_snapshot_instructions.bin"
output = "$target_gen_dir/vm_snapshot_instructions.S"
symbol = "kDartVmSnapshotInstructions"
executable = true
}
bin_to_assembly("isolate_snapshot_data_assembly") {
deps = [
":generate_snapshot_bin",
]
input = "$target_gen_dir/isolate_snapshot.bin"
output = "$target_gen_dir/isolate_snapshot_data.S"
symbol = "kDartIsolateSnapshotData"
executable = false
}
bin_to_assembly("isolate_snapshot_instructions_assembly") {
deps = [
":generate_snapshot_bin",
]
input = "$target_gen_dir/isolate_snapshot_instructions.bin"
output = "$target_gen_dir/isolate_snapshot_instructions.S"
symbol = "kDartIsolateSnapshotInstructions"
executable = true
}
source_set("snapshot") {
deps = [
":isolate_snapshot_data_assembly",
":isolate_snapshot_instructions_assembly",
":vm_snapshot_data_assembly",
":vm_snapshot_instructions_assembly",
]
sources = [
"$target_gen_dir/isolate_snapshot_data.S",
"$target_gen_dir/isolate_snapshot_instructions.S",
"$target_gen_dir/vm_snapshot_data.S",
"$target_gen_dir/vm_snapshot_instructions.S",
]
}
compile_platform("non_strong_platform") {
libraries_specification_uri = "libraries.json"
......@@ -228,28 +282,22 @@ template("generate_entry_points_json_with_gen_snapshot") {
output = invoker.output
tool = "//third_party/dart/runtime/bin:gen_snapshot"
inputs = [ input ] + extra_inputs
inputs = [
input,
] + extra_inputs
outputs = [
output,
# Though they are not consumed, GN needs to know to create the output directory.
"$target_gen_dir/dummy.vm_data.snapshot",
"$target_gen_dir/dummy.vm_instr.snapshot",
"$target_gen_dir/dummy.isolate_data.snapshot",
"$target_gen_dir/dummy.isolate_instr.snapshot",
]
args = [
"--print-precompiler-entry-points=" + rebase_path(output),
"--snapshot-kind=app-aot-blobs",
"--vm_snapshot_data=" +
rebase_path("$target_gen_dir/dummy.vm_data.snapshot"),
"--vm_snapshot_instructions=" +
rebase_path("$target_gen_dir/dummy.vm_instr.snapshot"),
"--isolate_snapshot_data=" +
rebase_path("$target_gen_dir/dummy.isolate_data.snapshot"),
"--isolate_snapshot_instructions=" +
rebase_path("$target_gen_dir/dummy.isolate_instr.snapshot"),
] + extra_args + [ rebase_path(input) ]
"--print-precompiler-entry-points=" + rebase_path(output),
"--snapshot-kind=app-aot-blobs",
"--vm_snapshot_data=" + rebase_path("$target_gen_dir/dummy.vm_data.snapshot"),
"--vm_snapshot_instructions=" + rebase_path("$target_gen_dir/dummy.vm_instr.snapshot"),
"--isolate_snapshot_data=" + rebase_path("$target_gen_dir/dummy.isolate_data.snapshot"),
"--isolate_snapshot_instructions=" + rebase_path("$target_gen_dir/dummy.isolate_instr.snapshot"),
] + extra_args + [
rebase_path(input),
]
}
}
......
runtime/dart_isolate.cc
浏览文件 @ bf96dbed
......@@ -282,12 +282,20 @@ bool DartIsolate::PrepareForRunningFromPrecompiledCode() {
return true;
}
bool DartIsolate::LoadKernel(std::shared_ptr<const fml::Mapping> mapping,
bool last_piece) {
if (!Dart_IsKernel(mapping->GetMapping(), mapping->GetSize())) {
bool DartIsolate::LoadScriptSnapshot(
std::shared_ptr<const fml::Mapping> mapping,
bool last_piece) {
FML_CHECK(last_piece) << "Script snapshots cannot be divided";
if (tonic::LogIfError(Dart_LoadScriptFromSnapshot(mapping->GetMapping(),
mapping->GetSize()))) {
return false;
}
return true;
}
bool DartIsolate::LoadKernelSnapshot(
std::shared_ptr<const fml::Mapping> mapping,
bool last_piece) {
// Mapping must be retained until isolate shutdown.
kernel_buffers_.push_back(mapping);
......@@ -309,11 +317,21 @@ bool DartIsolate::LoadKernel(std::shared_ptr<const fml::Mapping> mapping,
return true;
}
bool DartIsolate::LoadSnapshot(std::shared_ptr<const fml::Mapping> mapping,
bool last_piece) {
if (Dart_IsKernel(mapping->GetMapping(), mapping->GetSize())) {
return LoadKernelSnapshot(std::move(mapping), last_piece);
} else {
return LoadScriptSnapshot(std::move(mapping), last_piece);
}
return false;
}
FML_WARN_UNUSED_RESULT
bool DartIsolate::PrepareForRunningFromKernel(
bool DartIsolate::PrepareForRunningFromSnapshot(
std::shared_ptr<const fml::Mapping> mapping,
bool last_piece) {
TRACE_EVENT0("flutter", "DartIsolate::PrepareForRunningFromKernel");
TRACE_EVENT0("flutter", "DartIsolate::PrepareForRunningFromSnapshot");
if (phase_ != Phase::LibrariesSetup) {
return false;
}
......@@ -331,7 +349,7 @@ bool DartIsolate::PrepareForRunningFromKernel(
// Use root library provided by kernel in favor of one provided by snapshot.
Dart_SetRootLibrary(Dart_Null());
if (!LoadKernel(mapping, last_piece)) {
if (!LoadSnapshot(mapping, last_piece)) {
return false;
}
......@@ -349,7 +367,61 @@ bool DartIsolate::PrepareForRunningFromKernel(
}
child_isolate_preparer_ = [mapping](DartIsolate* isolate) {
return isolate->PrepareForRunningFromKernel(mapping);
return isolate->PrepareForRunningFromSnapshot(mapping);
};
phase_ = Phase::Ready;
return true;
}
bool DartIsolate::PrepareForRunningFromSource(
const std::string& main_source_file,
const std::string& packages) {
TRACE_EVENT0("flutter", "DartIsolate::PrepareForRunningFromSource");
if (phase_ != Phase::LibrariesSetup) {
return false;
}
if (DartVM::IsRunningPrecompiledCode()) {
return false;
}
if (main_source_file.empty()) {
return false;
}
tonic::DartState::Scope scope(this);
if (!Dart_IsNull(Dart_RootLibrary())) {
return false;
}
auto& loader = file_loader();
if (!packages.empty()) {
auto packages_absolute_path = fml::paths::AbsolutePath(packages);
FML_DLOG(INFO) << "Loading from packages: " << packages_absolute_path;
if (!loader.LoadPackagesMap(packages_absolute_path)) {
return false;
}
}
auto main_source_absolute_path = fml::paths::AbsolutePath(main_source_file);
FML_DLOG(INFO) << "Loading from source: " << main_source_absolute_path;
if (tonic::LogIfError(loader.LoadScript(main_source_absolute_path))) {
return false;
}
if (Dart_IsNull(Dart_RootLibrary())) {
return false;
}
if (!MarkIsolateRunnable()) {
return false;
}
child_isolate_preparer_ = [main_source_file, packages](DartIsolate* isolate) {
return isolate->PrepareForRunningFromSource(main_source_file, packages);
};
phase_ = Phase::Ready;
return true;
......@@ -536,11 +608,22 @@ Dart_Isolate DartIsolate::DartCreateAndStartServiceIsolate(
return nullptr;
}
// The engine never holds a strong reference to the VM service isolate. Since
// we are about to lose our last weak reference to it, start the VM service
// while we have this reference.
const bool isolate_snapshot_is_dart_2 = Dart_IsDart2Snapshot(
vm->GetIsolateSnapshot()->GetData()->GetSnapshotPointer());
const bool is_preview_dart2 =
(vm->GetPlatformKernel().GetSize() > 0) || isolate_snapshot_is_dart_2;
const bool running_from_sources =
!DartVM::IsRunningPrecompiledCode() && !is_preview_dart2;
tonic::DartState::Scope scope(service_isolate);
if (!DartServiceIsolate::Startup(
settings.ipv6 ? "::1" : "127.0.0.1", // server IP address
settings.observatory_port, // server observatory port
tonic::DartState::HandleLibraryTag, // embedder library tag handler
running_from_sources, // running from source code
false, // disable websocket origin check
error // error (out)
)) {
......@@ -644,20 +727,39 @@ DartIsolate::CreateDartVMAndEmbedderObjectPair(
Dart_IsolateFlagsInitialize(&nonnull_flags);
flags = &nonnull_flags;
}
flags->use_dart_frontend = true;
bool dart2 = (vm->GetPlatformKernel().GetSize() > 0) ||
Dart_IsDart2Snapshot((*embedder_isolate)
->GetIsolateSnapshot()
->GetData()
->GetSnapshotPointer());
flags->use_dart_frontend = dart2;
// Create the Dart VM isolate and give it the embedder object as the baton.
Dart_Isolate isolate = Dart_CreateIsolate(
advisory_script_uri, //
advisory_script_entrypoint, //
(*embedder_isolate)
->GetIsolateSnapshot()
->GetData()
->GetSnapshotPointer(),
(*embedder_isolate)->GetIsolateSnapshot()->GetInstructionsIfPresent(),
(*embedder_isolate)->GetSharedSnapshot()->GetDataIfPresent(),
(*embedder_isolate)->GetSharedSnapshot()->GetInstructionsIfPresent(),
flags, embedder_isolate.get(), error);
Dart_Isolate isolate =
(vm->GetPlatformKernel().GetSize() > 0)
? Dart_CreateIsolateFromKernel(
advisory_script_uri, //
advisory_script_entrypoint, //
vm->GetPlatformKernel().GetMapping(), //
vm->GetPlatformKernel().GetSize(), //
flags, //
embedder_isolate.get(), //
error //
)
: Dart_CreateIsolate(
advisory_script_uri, advisory_script_entrypoint,
(*embedder_isolate)
->GetIsolateSnapshot()
->GetData()
->GetSnapshotPointer(),
(*embedder_isolate)
->GetIsolateSnapshot()
->GetInstructionsIfPresent(),
(*embedder_isolate)->GetSharedSnapshot()->GetDataIfPresent(),
(*embedder_isolate)
->GetSharedSnapshot()
->GetInstructionsIfPresent(),
flags, embedder_isolate.get(), error);
if (isolate == nullptr) {
FML_DLOG(ERROR) << *error;
......
runtime/dart_isolate.h
浏览文件 @ bf96dbed
......@@ -68,8 +68,13 @@ class DartIsolate : public UIDartState {
bool PrepareForRunningFromPrecompiledCode();
FML_WARN_UNUSED_RESULT
bool PrepareForRunningFromKernel(std::shared_ptr<const fml::Mapping> kernel,
bool last_piece = true);
bool PrepareForRunningFromSnapshot(
std::shared_ptr<const fml::Mapping> snapshot,
bool last_piece = true);
FML_WARN_UNUSED_RESULT
bool PrepareForRunningFromSource(const std::string& main_source_file,
const std::string& packages);
FML_WARN_UNUSED_RESULT
bool Run(const std::string& entrypoint);
......@@ -91,7 +96,12 @@ class DartIsolate : public UIDartState {
std::weak_ptr<DartIsolate> GetWeakIsolatePtr();
private:
bool LoadKernel(std::shared_ptr<const fml::Mapping> mapping, bool last_piece);
bool LoadScriptSnapshot(std::shared_ptr<const fml::Mapping> mapping,
bool last_piece);
bool LoadKernelSnapshot(std::shared_ptr<const fml::Mapping> mapping,
bool last_piece);
bool LoadSnapshot(std::shared_ptr<const fml::Mapping> mapping,
bool last_piece);
class AutoFireClosure {
public:
......
runtime/dart_isolate_unittests.cc
浏览文件 @ bf96dbed
......@@ -46,4 +46,70 @@ TEST_F(DartIsolateTest, RootIsolateCreationAndShutdown) {
ASSERT_TRUE(root_isolate->Shutdown());
}
TEST_F(DartIsolateTest, IsolateCanAssociateSnapshot) {
Settings settings = {};
settings.task_observer_add = [](intptr_t, fml::closure) {};
settings.task_observer_remove = [](intptr_t) {};
auto vm = DartVM::ForProcess(settings);
ASSERT_TRUE(vm);
TaskRunners task_runners(CURRENT_TEST_NAME, //
GetCurrentTaskRunner(), //
GetCurrentTaskRunner(), //
GetCurrentTaskRunner(), //
GetCurrentTaskRunner() //
);
auto weak_isolate = DartIsolate::CreateRootIsolate(
vm.get(), // vm
vm->GetIsolateSnapshot(), // isolate snapshot
vm->GetSharedSnapshot(), // shared snapshot
std::move(task_runners), // task runners
nullptr, // window
{}, // resource context
nullptr, // unref qeueue
"main.dart", // advisory uri
"main" // advisory entrypoint
);
auto root_isolate = weak_isolate.lock();
ASSERT_TRUE(root_isolate);
ASSERT_EQ(root_isolate->GetPhase(), DartIsolate::Phase::LibrariesSetup);
ASSERT_TRUE(root_isolate->PrepareForRunningFromSource(
testing::GetFixturesPath() + std::string{"/simple_main.dart"}, ""));
ASSERT_EQ(root_isolate->GetPhase(), DartIsolate::Phase::Ready);
ASSERT_TRUE(root_isolate->Shutdown());
}
TEST_F(DartIsolateTest, CanResolveAndInvokeMethod) {
Settings settings = {};
settings.task_observer_add = [](intptr_t, fml::closure) {};
settings.task_observer_remove = [](intptr_t) {};
auto vm = DartVM::ForProcess(settings);
ASSERT_TRUE(vm);
TaskRunners task_runners(CURRENT_TEST_NAME, //
GetCurrentTaskRunner(), //
GetCurrentTaskRunner(), //
GetCurrentTaskRunner(), //
GetCurrentTaskRunner() //
);
auto weak_isolate = DartIsolate::CreateRootIsolate(
vm.get(), // vm
vm->GetIsolateSnapshot(), // isolate snapshot
vm->GetSharedSnapshot(), // shared snapshot
std::move(task_runners), // task runners
nullptr, // window
{}, // resource context
nullptr, // unref qeueue
"main.dart", // advisory uri
"main" // advisory entrypoint
);
auto root_isolate = weak_isolate.lock();
ASSERT_TRUE(root_isolate);
ASSERT_EQ(root_isolate->GetPhase(), DartIsolate::Phase::LibrariesSetup);
ASSERT_TRUE(root_isolate->PrepareForRunningFromSource(
testing::GetFixturesPath() + std::string{"/simple_main.dart"}, ""));
ASSERT_EQ(root_isolate->GetPhase(), DartIsolate::Phase::Ready);
ASSERT_TRUE(root_isolate->Run("simple_main"));
ASSERT_EQ(root_isolate->GetPhase(), DartIsolate::Phase::Running);
ASSERT_TRUE(root_isolate->Shutdown());
}
} // namespace blink
runtime/dart_service_isolate.cc
浏览文件 @ bf96dbed
......@@ -26,11 +26,21 @@
return false; \
}
#define kLibrarySourceNamePrefix "/vmservice"
static const char* kServiceIsolateScript = "vmservice_io.dart";
namespace flutter {
namespace runtime {
extern ResourcesEntry __flutter_embedded_service_isolate_resources_[];
}
} // namespace flutter
namespace blink {
namespace {
static Dart_LibraryTagHandler g_embedder_tag_handler;
static tonic::DartLibraryNatives* g_natives;
static EmbedderResources* g_resources;
static std::string observatory_uri_;
Dart_NativeFunction GetNativeFunction(Dart_Handle name,
......@@ -47,6 +57,13 @@ const uint8_t* GetSymbol(Dart_NativeFunction native_function) {
} // namespace
void DartServiceIsolate::TriggerResourceLoad(Dart_NativeArguments args) {
Dart_Handle library = Dart_RootLibrary();
FML_DCHECK(!Dart_IsError(library));
Dart_Handle result = LoadResources(library);
FML_DCHECK(!Dart_IsError(result));
}
void DartServiceIsolate::NotifyServerState(Dart_NativeArguments args) {
Dart_Handle exception = nullptr;
std::string uri =
......@@ -67,6 +84,7 @@ void DartServiceIsolate::Shutdown(Dart_NativeArguments args) {
bool DartServiceIsolate::Startup(std::string server_ip,
intptr_t server_port,
Dart_LibraryTagHandler embedder_tag_handler,
bool running_from_sources,
bool disable_origin_check,
char** error) {
Dart_Isolate isolate = Dart_CurrentIsolate();
......@@ -85,13 +103,36 @@ bool DartServiceIsolate::Startup(std::string server_ip,
});
}
Dart_Handle uri = Dart_NewStringFromCString("dart:vmservice_io");
Dart_Handle library = Dart_LookupLibrary(uri);
SHUTDOWN_ON_ERROR(library);
Dart_Handle result = Dart_SetRootLibrary(library);
SHUTDOWN_ON_ERROR(result);
result = Dart_SetNativeResolver(library, GetNativeFunction, GetSymbol);
SHUTDOWN_ON_ERROR(result);
if (!g_resources) {
g_resources = new EmbedderResources(
&flutter::runtime::__flutter_embedded_service_isolate_resources_[0]);
}
Dart_Handle result;
if (running_from_sources) {
// Use our own library tag handler when loading service isolate sources.
Dart_SetLibraryTagHandler(DartServiceIsolate::LibraryTagHandler);
// Load main script.
Dart_Handle library = LoadScript(kServiceIsolateScript);
FML_DCHECK(library != Dart_Null());
SHUTDOWN_ON_ERROR(library);
// Setup native entry resolution.
result = Dart_SetNativeResolver(library, GetNativeFunction, GetSymbol);
SHUTDOWN_ON_ERROR(result);
// Finalize loading.
result = Dart_FinalizeLoading(false);
SHUTDOWN_ON_ERROR(result);
} else {
Dart_Handle uri = Dart_NewStringFromCString("dart:vmservice_io");
Dart_Handle library = Dart_LookupLibrary(uri);
SHUTDOWN_ON_ERROR(library);
result = Dart_SetRootLibrary(library);
SHUTDOWN_ON_ERROR(result);
result = Dart_SetNativeResolver(library, GetNativeFunction, GetSymbol);
SHUTDOWN_ON_ERROR(result);
}
// Make runnable.
Dart_ExitScope();
......@@ -105,7 +146,7 @@ bool DartServiceIsolate::Startup(std::string server_ip,
Dart_EnterIsolate(isolate);
Dart_EnterScope();
library = Dart_RootLibrary();
Dart_Handle library = Dart_RootLibrary();
SHUTDOWN_ON_ERROR(library);
// Set the HTTP server's ip.
......@@ -133,4 +174,115 @@ bool DartServiceIsolate::Startup(std::string server_ip,
return true;
}
Dart_Handle DartServiceIsolate::GetSource(const char* name) {
const intptr_t kBufferSize = 512;
char buffer[kBufferSize];
snprintf(&buffer[0], kBufferSize - 1, "%s/%s", kLibrarySourceNamePrefix,
name);
const char* vmservice_source = NULL;
int r = g_resources->ResourceLookup(buffer, &vmservice_source);
FML_DCHECK(r != EmbedderResources::kNoSuchInstance);
return Dart_NewStringFromCString(vmservice_source);
}
Dart_Handle DartServiceIsolate::LoadScript(const char* name) {
Dart_Handle url = Dart_NewStringFromCString("dart:vmservice_io");
Dart_Handle source = GetSource(name);
return Dart_LoadScript(url, Dart_Null(), source, 0, 0);
}
Dart_Handle DartServiceIsolate::LoadSource(Dart_Handle library,
const char* name) {
Dart_Handle url = Dart_NewStringFromCString(name);
Dart_Handle source = GetSource(name);
return Dart_LoadSource(library, url, Dart_Null(), source, 0, 0);
}
Dart_Handle DartServiceIsolate::LoadResource(Dart_Handle library,
const char* resource_name) {
// Prepare for invoke call.
Dart_Handle name = Dart_NewStringFromCString(resource_name);
RETURN_ERROR_HANDLE(name);
const char* data_buffer = NULL;
int data_buffer_length =
g_resources->ResourceLookup(resource_name, &data_buffer);
FML_DCHECK(data_buffer_length != EmbedderResources::kNoSuchInstance);
Dart_Handle data_list =
Dart_NewTypedData(Dart_TypedData_kUint8, data_buffer_length);
RETURN_ERROR_HANDLE(data_list);
Dart_TypedData_Type type = Dart_TypedData_kInvalid;
void* data_list_buffer = NULL;
intptr_t data_list_buffer_length = 0;
Dart_Handle result = Dart_TypedDataAcquireData(
data_list, &type, &data_list_buffer, &data_list_buffer_length);
RETURN_ERROR_HANDLE(result);
FML_DCHECK(data_buffer_length == data_list_buffer_length);
FML_DCHECK(data_list_buffer != NULL);
FML_DCHECK(type = Dart_TypedData_kUint8);
memmove(data_list_buffer, &data_buffer[0], data_buffer_length);
result = Dart_TypedDataReleaseData(data_list);
RETURN_ERROR_HANDLE(result);
// Make invoke call.
const intptr_t kNumArgs = 2;
Dart_Handle args[kNumArgs] = {name, data_list};
result = Dart_Invoke(library, Dart_NewStringFromCString("_addResource"),
kNumArgs, args);
return result;
}
Dart_Handle DartServiceIsolate::LoadResources(Dart_Handle library) {
Dart_Handle result = Dart_Null();
intptr_t prefixLen = strlen(kLibrarySourceNamePrefix);
for (intptr_t i = 0; g_resources->Path(i) != NULL; i++) {
const char* path = g_resources->Path(i);
// If it doesn't begin with kLibrarySourceNamePrefix it is a frontend
// resource.
if (strncmp(path, kLibrarySourceNamePrefix, prefixLen) != 0) {
result = LoadResource(library, path);
if (Dart_IsError(result)) {
break;
}
}
}
return result;
}
Dart_Handle DartServiceIsolate::LibraryTagHandler(Dart_LibraryTag tag,
Dart_Handle library,
Dart_Handle url) {
if (!Dart_IsLibrary(library)) {
return Dart_NewApiError("not a library");
}
if (!Dart_IsString(url)) {
return Dart_NewApiError("url is not a string");
}
const char* url_string = NULL;
Dart_Handle result = Dart_StringToCString(url, &url_string);
if (Dart_IsError(result)) {
return result;
}
Dart_Handle library_url = Dart_LibraryUrl(library);
const char* library_url_string = NULL;
result = Dart_StringToCString(library_url, &library_url_string);
if (Dart_IsError(result)) {
return result;
}
if (tag == Dart_kImportTag) {
// Embedder handles all requests for external libraries.
return g_embedder_tag_handler(tag, library, url);
}
FML_DCHECK((tag == Dart_kSourceTag) || (tag == Dart_kCanonicalizeUrl));
if (tag == Dart_kCanonicalizeUrl) {
// url is already canonicalized.
return url;
}
// Get source from builtin resources.
Dart_Handle source = GetSource(url_string);
if (Dart_IsError(source)) {
return source;
}
return Dart_LoadSource(library, url, Dart_Null(), source, 0, 0);
}
} // namespace blink
runtime/dart_service_isolate.h
浏览文件 @ bf96dbed
......@@ -16,6 +16,7 @@ class DartServiceIsolate {
static bool Startup(std::string server_ip,
intptr_t server_port,
Dart_LibraryTagHandler embedder_tag_handler,
bool running_from_sources,
bool disable_origin_check,
char** error);
......@@ -23,8 +24,21 @@ class DartServiceIsolate {
private:
// Native entries.
static void TriggerResourceLoad(Dart_NativeArguments args);
static void NotifyServerState(Dart_NativeArguments args);
static void Shutdown(Dart_NativeArguments args);
// Script loading.
static Dart_Handle GetSource(const char* name);
static Dart_Handle LoadScript(const char* name);
static Dart_Handle LoadSource(Dart_Handle library, const char* name);
static Dart_Handle LibraryTagHandler(Dart_LibraryTag tag,
Dart_Handle library,
Dart_Handle url);
// Observatory resource loading.
static Dart_Handle LoadResources(Dart_Handle library);
static Dart_Handle LoadResource(Dart_Handle library, const char* name);
};
} // namespace blink
......
runtime/dart_vm.cc
浏览文件 @ bf96dbed
......@@ -310,6 +310,8 @@ DartVM::DartVM(const Settings& settings,
vm_snapshot_(std::move(vm_snapshot)),
isolate_snapshot_(std::move(isolate_snapshot)),
shared_snapshot_(std::move(shared_snapshot)),
platform_kernel_mapping_(
std::make_unique<fml::FileMapping>(settings.platform_kernel_path)),
weak_factory_(this) {
TRACE_EVENT0("flutter", "DartVMInitializer");
FML_DLOG(INFO) << "Attempting Dart VM launch for mode: "
......@@ -366,11 +368,17 @@ DartVM::DartVM(const Settings& settings,
arraysize(kDartWriteProtectCodeArgs));
#endif
const bool is_preview_dart2 =
const bool isolate_snapshot_is_dart_2 =
Dart_IsDart2Snapshot(isolate_snapshot_->GetData()->GetSnapshotPointer());
const bool is_preview_dart2 =
(platform_kernel_mapping_->GetSize() > 0) || isolate_snapshot_is_dart_2;
FML_DLOG(INFO) << "Dart 2 " << (is_preview_dart2 ? "is" : "is NOT")
<< " enabled.";
<< " enabled. Platform kernel: "
<< static_cast<bool>(platform_kernel_mapping_->GetSize() > 0)
<< " Isolate Snapshot is Dart 2: "
<< isolate_snapshot_is_dart_2;
if (is_preview_dart2) {
PushBackAll(&args, kDartStrongModeArgs, arraysize(kDartStrongModeArgs));
......@@ -477,6 +485,10 @@ const Settings& DartVM::GetSettings() const {
return settings_;
}
const fml::Mapping& DartVM::GetPlatformKernel() const {
return *platform_kernel_mapping_.get();
}
const DartSnapshot& DartVM::GetVMSnapshot() const {
return *vm_snapshot_.get();
}
......
runtime/dart_vm.h
浏览文件 @ bf96dbed
......@@ -42,6 +42,8 @@ class DartVM : public fml::RefCountedThreadSafe<DartVM> {
const Settings& GetSettings() const;
const fml::Mapping& GetPlatformKernel() const;
const DartSnapshot& GetVMSnapshot() const;
IsolateNameServer* GetIsolateNameServer();
......@@ -60,6 +62,7 @@ class DartVM : public fml::RefCountedThreadSafe<DartVM> {
IsolateNameServer isolate_name_server_;
const fml::RefPtr<DartSnapshot> isolate_snapshot_;
const fml::RefPtr<DartSnapshot> shared_snapshot_;
std::unique_ptr<fml::Mapping> platform_kernel_mapping_;
ServiceProtocol service_protocol_;
fml::WeakPtrFactory<DartVM> weak_factory_;
......
runtime/dart_vm_unittests.cc
浏览文件 @ bf96dbed
......@@ -15,6 +15,7 @@ TEST(DartVM, SimpleInitialization) {
ASSERT_TRUE(vm);
ASSERT_EQ(vm, DartVM::ForProcess(settings));
ASSERT_FALSE(DartVM::IsRunningPrecompiledCode());
ASSERT_EQ(vm->GetPlatformKernel().GetSize(), 0u);
}
TEST(DartVM, SimpleIsolateNameServer) {
......
shell/common/engine.cc
浏览文件 @ bf96dbed
......@@ -47,6 +47,7 @@ Engine::Engine(Delegate& delegate,
: delegate_(delegate),
settings_(std::move(settings)),
animator_(std::move(animator)),
load_script_error_(tonic::kNoError),
activity_running_(false),
have_surface_(false),
weak_factory_(this) {
......@@ -204,6 +205,10 @@ tonic::DartErrorHandleType Engine::GetUIIsolateLastError() {
return runtime_controller_->GetLastError();
}
tonic::DartErrorHandleType Engine::GetLoadScriptError() {
return load_script_error_;
}
void Engine::OnOutputSurfaceCreated() {
have_surface_ = true;
StartAnimatorIfPossible();
......
shell/common/engine.h
浏览文件 @ bf96dbed
......@@ -79,6 +79,8 @@ class Engine final : public blink::RuntimeDelegate {
tonic::DartErrorHandleType GetUIIsolateLastError();
tonic::DartErrorHandleType GetLoadScriptError();
std::pair<bool, uint32_t> GetUIIsolateReturnCode();
void OnOutputSurfaceCreated();
......@@ -109,6 +111,7 @@ class Engine final : public blink::RuntimeDelegate {
const blink::Settings settings_;
std::unique_ptr<Animator> animator_;
std::unique_ptr<blink::RuntimeController> runtime_controller_;
tonic::DartErrorHandleType load_script_error_;
std::string initial_route_;
blink::ViewportMetrics viewport_metrics_;
fml::RefPtr<blink::AssetManager> asset_manager_;
......
shell/common/isolate_configuration.cc
浏览文件 @ bf96dbed
......@@ -39,23 +39,45 @@ class AppSnapshotIsolateConfiguration final : public IsolateConfiguration {
FML_DISALLOW_COPY_AND_ASSIGN(AppSnapshotIsolateConfiguration);
};
class KernelIsolateConfiguration : public IsolateConfiguration {
class SnapshotIsolateConfiguration : public IsolateConfiguration {
public:
KernelIsolateConfiguration(std::unique_ptr<fml::Mapping> kernel)
: kernel_(std::move(kernel)) {}
SnapshotIsolateConfiguration(std::unique_ptr<fml::Mapping> snapshot)
: snapshot_(std::move(snapshot)) {}
// |shell::IsolateConfiguration|
bool DoPrepareIsolate(blink::DartIsolate& isolate) override {
if (blink::DartVM::IsRunningPrecompiledCode()) {
return false;
}
return isolate.PrepareForRunningFromKernel(std::move(kernel_));
return isolate.PrepareForRunningFromSnapshot(std::move(snapshot_));
}
private:
std::unique_ptr<fml::Mapping> kernel_;
std::unique_ptr<fml::Mapping> snapshot_;
FML_DISALLOW_COPY_AND_ASSIGN(KernelIsolateConfiguration);
FML_DISALLOW_COPY_AND_ASSIGN(SnapshotIsolateConfiguration);
};
class SourceIsolateConfiguration final : public IsolateConfiguration {
public:
SourceIsolateConfiguration(std::string main_path, std::string packages_path)
: main_path_(std::move(main_path)),
packages_path_(std::move(packages_path)) {}
// |shell::IsolateConfiguration|
bool DoPrepareIsolate(blink::DartIsolate& isolate) override {
if (blink::DartVM::IsRunningPrecompiledCode()) {
return false;
}
return isolate.PrepareForRunningFromSource(std::move(main_path_),
std::move(packages_path_));
}
private:
std::string main_path_;
std::string packages_path_;
FML_DISALLOW_COPY_AND_ASSIGN(SourceIsolateConfiguration);
};
class KernelListIsolateConfiguration final : public IsolateConfiguration {
......@@ -72,8 +94,8 @@ class KernelListIsolateConfiguration final : public IsolateConfiguration {
for (size_t i = 0; i < kernel_pieces_.size(); i++) {
bool last_piece = i + 1 == kernel_pieces_.size();
if (!isolate.PrepareForRunningFromKernel(std::move(kernel_pieces_[i]),
last_piece)) {
if (!isolate.PrepareForRunningFromSnapshot(std::move(kernel_pieces_[i]),
last_piece)) {
return false;
}
}
......@@ -95,12 +117,30 @@ std::unique_ptr<IsolateConfiguration> IsolateConfiguration::InferFromSettings(
return CreateForAppSnapshot();
}
// Run from sources.
{
const auto& main = settings.main_dart_file_path;
const auto& packages = settings.packages_file_path;
if (main.size() != 0 && packages.size() != 0) {
return CreateForSource(std::move(main), std::move(packages));
}
}
// Running from kernel snapshot.
if (asset_manager) {
std::unique_ptr<fml::Mapping> kernel =
asset_manager->GetAsMapping(settings.application_kernel_asset);
if (kernel) {
return CreateForKernel(std::move(kernel));
return CreateForSnapshot(std::move(kernel));
}
}
// Running from script snapshot.
if (asset_manager) {
std::unique_ptr<fml::Mapping> script_snapshot =
asset_manager->GetAsMapping(settings.script_snapshot_path);
if (script_snapshot) {
return CreateForSnapshot(std::move(script_snapshot));
}
}
......@@ -149,9 +189,16 @@ IsolateConfiguration::CreateForAppSnapshot() {
return std::make_unique<AppSnapshotIsolateConfiguration>();
}
std::unique_ptr<IsolateConfiguration> IsolateConfiguration::CreateForKernel(
std::unique_ptr<fml::Mapping> kernel) {
return std::make_unique<KernelIsolateConfiguration>(std::move(kernel));
std::unique_ptr<IsolateConfiguration> IsolateConfiguration::CreateForSnapshot(
std::unique_ptr<fml::Mapping> snapshot) {
return std::make_unique<SnapshotIsolateConfiguration>(std::move(snapshot));
}
std::unique_ptr<IsolateConfiguration> IsolateConfiguration::CreateForSource(
std::string main_path,
std::string packages_path) {
return std::make_unique<SourceIsolateConfiguration>(std::move(main_path),
std::move(packages_path));
}
std::unique_ptr<IsolateConfiguration> IsolateConfiguration::CreateForKernelList(
......
shell/common/isolate_configuration.h
浏览文件 @ bf96dbed
......@@ -26,8 +26,12 @@ class IsolateConfiguration {
static std::unique_ptr<IsolateConfiguration> CreateForAppSnapshot();
static std::unique_ptr<IsolateConfiguration> CreateForKernel(
std::unique_ptr<fml::Mapping> kernel);
static std::unique_ptr<IsolateConfiguration> CreateForSnapshot(
std::unique_ptr<fml::Mapping> snapshot);
static std::unique_ptr<IsolateConfiguration> CreateForSource(
std::string main_path,
std::string packages_path);
static std::unique_ptr<IsolateConfiguration> CreateForKernelList(
std::vector<std::unique_ptr<fml::Mapping>> kernel_pieces);
......
shell/common/shell.cc
浏览文件 @ bf96dbed
......@@ -875,8 +875,12 @@ bool Shell::OnServiceProtocolRunInView(
auto main_script_file_mapping =
std::make_unique<fml::FileMapping>(main_script_path, false);
auto isolate_configuration = IsolateConfiguration::CreateForKernel(
std::move(main_script_file_mapping));
auto isolate_configuration =
blink::DartVM::IsKernelMapping(main_script_file_mapping.get())
? IsolateConfiguration::CreateForSnapshot(
std::move(main_script_file_mapping))
: IsolateConfiguration::CreateForSource(main_script_path,
packages_path);
RunConfiguration configuration(std::move(isolate_configuration));
......
shell/common/switches.cc
浏览文件 @ bf96dbed
......@@ -170,6 +170,9 @@ blink::Settings SettingsFromCommandLine(const fml::CommandLine& command_line) {
command_line.GetOptionValue(FlagForSwitch(Switch::FlutterAssetsDir),
&settings.assets_path);
command_line.GetOptionValue(FlagForSwitch(Switch::Snapshot),
&settings.script_snapshot_path);
command_line.GetOptionValue(FlagForSwitch(Switch::MainDartFile),
&settings.main_dart_file_path);
......
shell/common/switches.h
浏览文件 @ bf96dbed
......@@ -93,6 +93,7 @@ DEF_SWITCH(Help, "help", "Display this help text.")
DEF_SWITCH(LogTag, "log-tag", "Tag associated with log messages.")
DEF_SWITCH(MainDartFile, "dart-main", "The path to the main Dart file.")
DEF_SWITCH(Packages, "packages", "Specify the path to the packages.")
DEF_SWITCH(Snapshot, "snapshot-blob", "Specify the path to the snapshot blob")
DEF_SWITCH(StartPaused,
"start-paused",
"Start the application paused in the Dart debugger.")
......
shell/platform/android/flutter_main.cc
浏览文件 @ bf96dbed
......@@ -66,11 +66,16 @@ void FlutterMain::Init(JNIEnv* env,
if (!blink::DartVM::IsRunningPrecompiledCode()) {
// Check to see if the appropriate kernel files are present and configure
// settings accordingly.
auto platform_kernel_path =
fml::paths::JoinPaths({settings.assets_path, "platform_strong.dill"});
auto application_kernel_path =
fml::paths::JoinPaths({settings.assets_path, "kernel_blob.bin"});
if (fml::IsFile(application_kernel_path)) {
settings.application_kernel_asset = application_kernel_path;
if (fml::IsFile(platform_kernel_path)) {
settings.platform_kernel_path = platform_kernel_path;
}
}
}
......
shell/platform/android/io/flutter/view/FlutterMain.java
浏览文件 @ bf96dbed
......@@ -31,6 +31,7 @@ public class FlutterMain {
private static final String AOT_ISOLATE_SNAPSHOT_DATA_KEY = "isolate-snapshot-data";
private static final String AOT_ISOLATE_SNAPSHOT_INSTR_KEY = "isolate-snapshot-instr";
private static final String FLX_KEY = "flx";
private static final String SNAPSHOT_BLOB_KEY = "snapshot-blob";
private static final String FLUTTER_ASSETS_DIR_KEY = "flutter-assets-dir";
// XML Attribute keys supported in AndroidManifest.xml
......@@ -46,6 +47,8 @@ public class FlutterMain {
FlutterMain.class.getName() + '.' + AOT_ISOLATE_SNAPSHOT_INSTR_KEY;
public static final String PUBLIC_FLX_KEY =
FlutterMain.class.getName() + '.' + FLX_KEY;
public static final String PUBLIC_SNAPSHOT_BLOB_KEY =
FlutterMain.class.getName() + '.' + SNAPSHOT_BLOB_KEY;
public static final String PUBLIC_FLUTTER_ASSETS_DIR_KEY =
FlutterMain.class.getName() + '.' + FLUTTER_ASSETS_DIR_KEY;
......@@ -56,7 +59,9 @@ public class FlutterMain {
private static final String DEFAULT_AOT_ISOLATE_SNAPSHOT_DATA = "isolate_snapshot_data";
private static final String DEFAULT_AOT_ISOLATE_SNAPSHOT_INSTR = "isolate_snapshot_instr";
private static final String DEFAULT_FLX = "app.flx";
private static final String DEFAULT_SNAPSHOT_BLOB = "snapshot_blob.bin";
private static final String DEFAULT_KERNEL_BLOB = "kernel_blob.bin";
private static final String DEFAULT_PLATFORM_DILL = "platform_strong.dill";
private static final String DEFAULT_FLUTTER_ASSETS_DIR = "flutter_assets";
// Assets that are shared among all Flutter apps within an APK.
......@@ -74,6 +79,7 @@ public class FlutterMain {
private static String sAotIsolateSnapshotData = DEFAULT_AOT_ISOLATE_SNAPSHOT_DATA;
private static String sAotIsolateSnapshotInstr = DEFAULT_AOT_ISOLATE_SNAPSHOT_INSTR;
private static String sFlx = DEFAULT_FLX;
private static String sSnapshotBlob = DEFAULT_SNAPSHOT_BLOB;
private static String sFlutterAssetsDir = DEFAULT_FLUTTER_ASSETS_DIR;
private static boolean sInitialized = false;
......@@ -242,6 +248,7 @@ public class FlutterMain {
sAotIsolateSnapshotData = metadata.getString(PUBLIC_AOT_ISOLATE_SNAPSHOT_DATA_KEY, DEFAULT_AOT_ISOLATE_SNAPSHOT_DATA);
sAotIsolateSnapshotInstr = metadata.getString(PUBLIC_AOT_ISOLATE_SNAPSHOT_INSTR_KEY, DEFAULT_AOT_ISOLATE_SNAPSHOT_INSTR);
sFlx = metadata.getString(PUBLIC_FLX_KEY, DEFAULT_FLX);
sSnapshotBlob = metadata.getString(PUBLIC_SNAPSHOT_BLOB_KEY, DEFAULT_SNAPSHOT_BLOB);
sFlutterAssetsDir = metadata.getString(PUBLIC_FLUTTER_ASSETS_DIR_KEY, DEFAULT_FLUTTER_ASSETS_DIR);
}
} catch (PackageManager.NameNotFoundException e) {
......@@ -261,11 +268,13 @@ public class FlutterMain {
sResourceExtractor
.addResource(fromFlutterAssets(sFlx))
.addResource(fromFlutterAssets(sSnapshotBlob))
.addResource(fromFlutterAssets(sAotVmSnapshotData))
.addResource(fromFlutterAssets(sAotVmSnapshotInstr))
.addResource(fromFlutterAssets(sAotIsolateSnapshotData))
.addResource(fromFlutterAssets(sAotIsolateSnapshotInstr))
.addResource(fromFlutterAssets(DEFAULT_KERNEL_BLOB));
.addResource(fromFlutterAssets(DEFAULT_KERNEL_BLOB))
.addResource(fromFlutterAssets(DEFAULT_PLATFORM_DILL));
if (sIsPrecompiledAsSharedLibrary) {
sResourceExtractor
.addResource(sAotSharedLibraryPath);
......@@ -274,7 +283,8 @@ public class FlutterMain {
.addResource(sAotVmSnapshotData)
.addResource(sAotVmSnapshotInstr)
.addResource(sAotIsolateSnapshotData)
.addResource(sAotIsolateSnapshotInstr);
.addResource(sAotIsolateSnapshotInstr)
.addResource(sSnapshotBlob);
}
sResourceExtractor.start();
}
......
shell/platform/android/platform_view_android_jni.cc
浏览文件 @ bf96dbed
......@@ -217,10 +217,10 @@ std::unique_ptr<IsolateConfiguration> CreateIsolateConfiguration(
return IsolateConfiguration::CreateForKernelList(std::move(kernels));
}
if (blob) {
return IsolateConfiguration::CreateForKernel(std::move(blob));
return IsolateConfiguration::CreateForSnapshot(std::move(blob));
}
if (delta) {
return IsolateConfiguration::CreateForKernel(std::move(delta));
return IsolateConfiguration::CreateForSnapshot(std::move(delta));
}
return nullptr;
};
......@@ -228,6 +228,9 @@ std::unique_ptr<IsolateConfiguration> CreateIsolateConfiguration(
if (auto kernel = configuration_from_blob("kernel_blob.bin")) {
return kernel;
}
if (auto script = configuration_from_blob("snapshot_blob.bin")) {
return script;
}
// This happens when starting isolate directly from CoreJIT snapshot.
return IsolateConfiguration::CreateForAppSnapshot();
......
shell/platform/darwin/ios/framework/Source/FlutterDartProject.mm
浏览文件 @ bf96dbed
......@@ -15,6 +15,8 @@
#include "flutter/shell/platform/darwin/common/command_line.h"
#include "flutter/shell/platform/darwin/ios/framework/Headers/FlutterViewController.h"
static const char* kScriptSnapshotFileName = "snapshot_blob.bin";
static const char* kVMKernelSnapshotFileName = "platform_strong.dill";
static const char* kApplicationKernelSnapshotFileName = "kernel_blob.bin";
static blink::Settings DefaultSettingsForProcess(NSBundle* bundle = nil) {
......@@ -81,8 +83,8 @@ static blink::Settings DefaultSettingsForProcess(NSBundle* bundle = nil) {
// In case the application bundle is still not specified, look for the App.framework in the
// Frameworks directory.
if (settings.application_library_path.size() == 0) {
NSString* applicationFrameworkPath = [mainBundle pathForResource:@"Frameworks/App.framework"
ofType:@""];
NSString* applicationFrameworkPath =
[mainBundle pathForResource:@"Frameworks/App.framework" ofType:@""];
if (applicationFrameworkPath.length > 0) {
NSString* executablePath =
[NSBundle bundleWithPath:applicationFrameworkPath].executablePath;
......@@ -104,6 +106,25 @@ static blink::Settings DefaultSettingsForProcess(NSBundle* bundle = nil) {
if (!blink::DartVM::IsRunningPrecompiledCode()) {
// Looking for the various script and kernel snapshot buffers only makes sense if we have a
// VM that can use these buffers.
{
// Check if there is a script snapshot in the assets directory we could potentially use.
NSURL* scriptSnapshotURL = [NSURL URLWithString:@(kScriptSnapshotFileName)
relativeToURL:[NSURL fileURLWithPath:assetsPath]];
if ([[NSFileManager defaultManager] fileExistsAtPath:scriptSnapshotURL.path]) {
settings.script_snapshot_path = scriptSnapshotURL.path.UTF8String;
}
}
{
// Check if there is a VM kernel snapshot in the assets directory we could potentially
// use.
NSURL* vmKernelSnapshotURL = [NSURL URLWithString:@(kVMKernelSnapshotFileName)
relativeToURL:[NSURL fileURLWithPath:assetsPath]];
if ([[NSFileManager defaultManager] fileExistsAtPath:vmKernelSnapshotURL.path]) {
settings.platform_kernel_path = vmKernelSnapshotURL.path.UTF8String;
}
}
{
// Check if there is an application kernel snapshot in the assets directory we could
// potentially use.
......@@ -175,6 +196,12 @@ static blink::Settings DefaultSettingsForProcess(NSBundle* bundle = nil) {
if (flutterAssetsURL != nil &&
[[NSFileManager defaultManager] fileExistsAtPath:flutterAssetsURL.path]) {
_settings.assets_path = flutterAssetsURL.path.UTF8String;
NSURL* scriptSnapshotPath =
[NSURL URLWithString:@(kScriptSnapshotFileName) relativeToURL:flutterAssetsURL];
if ([[NSFileManager defaultManager] fileExistsAtPath:scriptSnapshotPath.path]) {
_settings.script_snapshot_path = scriptSnapshotPath.path.UTF8String;
}
}
}
......
shell/platform/embedder/embedder.cc
浏览文件 @ bf96dbed
......@@ -268,11 +268,16 @@ FlutterResult FlutterEngineRun(size_t version,
// Check whether the assets path contains Dart 2 kernel assets.
const std::string kApplicationKernelSnapshotFileName = "kernel_blob.bin";
std::string platform_kernel_path =
fml::paths::JoinPaths({settings.assets_path, "platform_strong.dill"});
std::string application_kernel_path = fml::paths::JoinPaths(
{settings.assets_path, kApplicationKernelSnapshotFileName});
if (fml::IsFile(application_kernel_path)) {
// Run from a kernel snapshot.
settings.application_kernel_asset = kApplicationKernelSnapshotFileName;
settings.platform_kernel_path = platform_kernel_path;
if (fml::IsFile(platform_kernel_path)) {
settings.application_kernel_asset = kApplicationKernelSnapshotFileName;
}
} else {
// Run from a main Dart file.
settings.main_dart_file_path = args->main_path;
......
shell/testing/tester_main.cc
浏览文件 @ bf96dbed
......@@ -133,7 +133,11 @@ int RunTester(const blink::Settings& settings, bool run_forever) {
fml::paths::AbsolutePath(settings.main_dart_file_path), false);
auto isolate_configuration =
IsolateConfiguration::CreateForKernel(std::move(main_dart_file_mapping));
blink::DartVM::IsKernelMapping(main_dart_file_mapping.get())
? IsolateConfiguration::CreateForSnapshot(
std::move(main_dart_file_mapping))
: IsolateConfiguration::CreateForSource(settings.main_dart_file_path,
settings.packages_file_path);
if (!isolate_configuration) {
FML_LOG(ERROR) << "Could create isolate configuration.";
......@@ -238,6 +242,9 @@ int main(int argc, char* argv[]) {
settings.icu_data_path = "icudtl.dat";
settings.platform_kernel_path =
fml::paths::JoinPaths({settings.assets_path, "platform_strong.dill"});
// The tools that read logs get confused if there is a log tag specified.
settings.log_tag = "";
......
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