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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	node_main_instance.cc	Lines:	88	89	98.9 %
Date:	2022-08-14 04:19:53	Branches:	31	40	77.5 %


#include "node_main_instance.h"
#include <memory>
#if HAVE_OPENSSL
#include "crypto/crypto_util.h"
#endif  // HAVE_OPENSSL
#include "debug_utils-inl.h"
#include "node_builtins.h"
#include "node_external_reference.h"
#include "node_internals.h"
#include "node_options-inl.h"
#include "node_snapshot_builder.h"
#include "node_snapshotable.h"
#include "node_v8_platform-inl.h"
#include "util-inl.h"
#if defined(LEAK_SANITIZER)
#include <sanitizer/lsan_interface.h>
#endif

#if HAVE_INSPECTOR
#include "inspector/worker_inspector.h"  // ParentInspectorHandle
#endif

namespace node {

using v8::Context;
using v8::HandleScope;
using v8::Isolate;
using v8::Local;
using v8::Locker;

NodeMainInstance::NodeMainInstance(Isolate* isolate,
                                   uv_loop_t* event_loop,
                                   MultiIsolatePlatform* platform,
                                   const std::vector<std::string>& args,
                                   const std::vector<std::string>& exec_args)
    : args_(args),
      exec_args_(exec_args),
      array_buffer_allocator_(nullptr),
      isolate_(isolate),
      platform_(platform),
      isolate_data_(nullptr),
      snapshot_data_(nullptr) {
  isolate_data_ =
      std::make_unique<IsolateData>(isolate_, event_loop, platform, nullptr);

  SetIsolateMiscHandlers(isolate_, {});
}

std::unique_ptr<NodeMainInstance> NodeMainInstance::Create(
    Isolate* isolate,
    uv_loop_t* event_loop,
    MultiIsolatePlatform* platform,
    const std::vector<std::string>& args,
    const std::vector<std::string>& exec_args) {
  return std::unique_ptr<NodeMainInstance>(
      new NodeMainInstance(isolate, event_loop, platform, args, exec_args));
}

NodeMainInstance::NodeMainInstance(const SnapshotData* snapshot_data,
                                   uv_loop_t* event_loop,
                                   MultiIsolatePlatform* platform,
                                   const std::vector<std::string>& args,
                                   const std::vector<std::string>& exec_args)
    : args_(args),
      exec_args_(exec_args),
      array_buffer_allocator_(ArrayBufferAllocator::Create()),
      isolate_(nullptr),
      platform_(platform),
      isolate_data_(),
      isolate_params_(std::make_unique<Isolate::CreateParams>()),
      snapshot_data_(snapshot_data) {
  isolate_params_->array_buffer_allocator = array_buffer_allocator_.get();
  if (snapshot_data != nullptr) {
    SnapshotBuilder::InitializeIsolateParams(snapshot_data,
                                             isolate_params_.get());
  }

  isolate_ = Isolate::Allocate();
  CHECK_NOT_NULL(isolate_);
  // Register the isolate on the platform before the isolate gets initialized,
  // so that the isolate can access the platform during initialization.
  platform->RegisterIsolate(isolate_, event_loop);
  SetIsolateCreateParamsForNode(isolate_params_.get());
  Isolate::Initialize(isolate_, *isolate_params_);

  // If the indexes are not nullptr, we are not deserializing
  isolate_data_ = std::make_unique<IsolateData>(
      isolate_,
      event_loop,
      platform,
      array_buffer_allocator_.get(),
      snapshot_data == nullptr ? nullptr : &(snapshot_data->isolate_data_info));
  IsolateSettings s;
  SetIsolateMiscHandlers(isolate_, s);
  if (snapshot_data == nullptr) {
    // If in deserialize mode, delay until after the deserialization is
    // complete.
    SetIsolateErrorHandlers(isolate_, s);
  }
  isolate_data_->max_young_gen_size =
      isolate_params_->constraints.max_young_generation_size_in_bytes();
}

void NodeMainInstance::Dispose() {
  // This should only be called on a main instance that does not own its
  // isolate.
  CHECK_NULL(isolate_params_);
  platform_->DrainTasks(isolate_);
}

NodeMainInstance::~NodeMainInstance() {
  if (isolate_params_ == nullptr) {
    return;
  }
  // This should only be done on a main instance that owns its isolate.
  platform_->UnregisterIsolate(isolate_);
  isolate_->Dispose();
}

int NodeMainInstance::Run() {
  Locker locker(isolate_);
  Isolate::Scope isolate_scope(isolate_);
  HandleScope handle_scope(isolate_);

  int exit_code = 0;
  DeleteFnPtr<Environment, FreeEnvironment> env =
      CreateMainEnvironment(&exit_code);
  CHECK_NOT_NULL(env);

  Context::Scope context_scope(env->context());
  Run(&exit_code, env.get());
  return exit_code;
}

void NodeMainInstance::Run(int* exit_code, Environment* env) {
  if (*exit_code == 0) {
    LoadEnvironment(env, StartExecutionCallback{});

    *exit_code = SpinEventLoop(env).FromMaybe(1);
  }

#if defined(LEAK_SANITIZER)
  __lsan_do_leak_check();
#endif
}

DeleteFnPtr<Environment, FreeEnvironment>
NodeMainInstance::CreateMainEnvironment(int* exit_code) {
  *exit_code = 0;  // Reset the exit code to 0

  HandleScope handle_scope(isolate_);

  // TODO(addaleax): This should load a real per-Isolate option, currently
  // this is still effectively per-process.
  if (isolate_data_->options()->track_heap_objects) {
    isolate_->GetHeapProfiler()->StartTrackingHeapObjects(true);
  }

  Local<Context> context;
  DeleteFnPtr<Environment, FreeEnvironment> env;

  if (snapshot_data_ != nullptr) {
    env.reset(new Environment(isolate_data_.get(),
                              isolate_,
                              args_,
                              exec_args_,
                              &(snapshot_data_->env_info),
                              EnvironmentFlags::kDefaultFlags,
                              {}));
    context = Context::FromSnapshot(isolate_,
                                    SnapshotData::kNodeMainContextIndex,
                                    {DeserializeNodeInternalFields, env.get()})
                  .ToLocalChecked();

    CHECK(!context.IsEmpty());
    Context::Scope context_scope(context);

    CHECK(InitializeContextRuntime(context).IsJust());
    SetIsolateErrorHandlers(isolate_, {});
    env->InitializeMainContext(context, &(snapshot_data_->env_info));
#if HAVE_INSPECTOR
    env->InitializeInspector({});
#endif
    env->DoneBootstrapping();

#if HAVE_OPENSSL
    crypto::InitCryptoOnce(isolate_);
#endif  // HAVE_OPENSSL
  } else {
    context = NewContext(isolate_);
    CHECK(!context.IsEmpty());
    Context::Scope context_scope(context);
    env.reset(new Environment(isolate_data_.get(),
                              context,
                              args_,
                              exec_args_,
                              nullptr,
                              EnvironmentFlags::kDefaultFlags,
                              {}));
#if HAVE_INSPECTOR
    env->InitializeInspector({});
#endif
    if (env->RunBootstrapping().IsEmpty()) {
      return nullptr;
    }
  }

  return env;
}

}  // namespace node


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			#include "node_main_instance.h"
2			#include <memory>
3			#if HAVE_OPENSSL
4			#include "crypto/crypto_util.h"
5			#endif // HAVE_OPENSSL
6			#include "debug_utils-inl.h"
7			#include "node_builtins.h"
8			#include "node_external_reference.h"
9			#include "node_internals.h"
10			#include "node_options-inl.h"
11			#include "node_snapshot_builder.h"
12			#include "node_snapshotable.h"
13			#include "node_v8_platform-inl.h"
14			#include "util-inl.h"
15			#if defined(LEAK_SANITIZER)
16			#include <sanitizer/lsan_interface.h>
17			#endif
18
19			#if HAVE_INSPECTOR
20			#include "inspector/worker_inspector.h" // ParentInspectorHandle
21			#endif
22
23			namespace node {
24
25			using v8::Context;
26			using v8::HandleScope;
27			using v8::Isolate;
28			using v8::Local;
29			using v8::Locker;
30
31		7	NodeMainInstance::NodeMainInstance(Isolate* isolate,
32			uv_loop_t* event_loop,
33			MultiIsolatePlatform* platform,
34			const std::vector<std::string>& args,
35		7	const std::vector<std::string>& exec_args)
36			: args_(args),
37			exec_args_(exec_args),
38			array_buffer_allocator_(nullptr),
39			isolate_(isolate),
40			platform_(platform),
41			isolate_data_(nullptr),
42		7	snapshot_data_(nullptr) {
43			isolate_data_ =
44		7	std::make_unique<IsolateData>(isolate_, event_loop, platform, nullptr);
45
46		7	SetIsolateMiscHandlers(isolate_, {});
47		7	}
48
49		7	std::unique_ptr<NodeMainInstance> NodeMainInstance::Create(
50			Isolate* isolate,
51			uv_loop_t* event_loop,
52			MultiIsolatePlatform* platform,
53			const std::vector<std::string>& args,
54			const std::vector<std::string>& exec_args) {
55			return std::unique_ptr<NodeMainInstance>(
56		7	new NodeMainInstance(isolate, event_loop, platform, args, exec_args));
57			}
58
59		5254	NodeMainInstance::NodeMainInstance(const SnapshotData* snapshot_data,
60			uv_loop_t* event_loop,
61			MultiIsolatePlatform* platform,
62			const std::vector<std::string>& args,
63		5254	const std::vector<std::string>& exec_args)
64			: args_(args),
65			exec_args_(exec_args),
66			array_buffer_allocator_(ArrayBufferAllocator::Create()),
67			isolate_(nullptr),
68			platform_(platform),
69			isolate_data_(),
70			isolate_params_(std::make_unique<Isolate::CreateParams>()),
71		5254	snapshot_data_(snapshot_data) {
72		5254	isolate_params_->array_buffer_allocator = array_buffer_allocator_.get();
73	✓✓	5254	if (snapshot_data != nullptr) {
74		5252	SnapshotBuilder::InitializeIsolateParams(snapshot_data,
75			isolate_params_.get());
76			}
77
78		5254	isolate_ = Isolate::Allocate();
79	✗✓	5254	CHECK_NOT_NULL(isolate_);
80			// Register the isolate on the platform before the isolate gets initialized,
81			// so that the isolate can access the platform during initialization.
82		5254	platform->RegisterIsolate(isolate_, event_loop);
83		5254	SetIsolateCreateParamsForNode(isolate_params_.get());
84		5254	Isolate::Initialize(isolate_, *isolate_params_);
85
86			// If the indexes are not nullptr, we are not deserializing
87		5254	isolate_data_ = std::make_unique<IsolateData>(
88		5254	isolate_,
89			event_loop,
90			platform,
91		5254	array_buffer_allocator_.get(),
92	✓✓	10508	snapshot_data == nullptr ? nullptr : &(snapshot_data->isolate_data_info));
93		5254	IsolateSettings s;
94		5254	SetIsolateMiscHandlers(isolate_, s);
95	✓✓	5254	if (snapshot_data == nullptr) {
96			// If in deserialize mode, delay until after the deserialization is
97			// complete.
98		2	SetIsolateErrorHandlers(isolate_, s);
99			}
100		5254	isolate_data_->max_young_gen_size =
101		5254	isolate_params_->constraints.max_young_generation_size_in_bytes();
102		5254	}
103
104		7	void NodeMainInstance::Dispose() {
105			// This should only be called on a main instance that does not own its
106			// isolate.
107	✗✓	7	CHECK_NULL(isolate_params_);
108		7	platform_->DrainTasks(isolate_);
109		7	}
110
111	✓✓✓✓ ✓✓✓✓ ✓✓	4643	NodeMainInstance::~NodeMainInstance() {
112	✓✓	4615	if (isolate_params_ == nullptr) {
113		7	return;
114			}
115			// This should only be done on a main instance that owns its isolate.
116		4608	platform_->UnregisterIsolate(isolate_);
117		4608	isolate_->Dispose();
118		4615	}
119
120		5254	int NodeMainInstance::Run() {
121		9862	Locker locker(isolate_);
122		9862	Isolate::Scope isolate_scope(isolate_);
123		9862	HandleScope handle_scope(isolate_);
124
125		5254	int exit_code = 0;
126			DeleteFnPtr<Environment, FreeEnvironment> env =
127		9862	CreateMainEnvironment(&exit_code);
128	✗✓	5254	CHECK_NOT_NULL(env);
129
130		5254	Context::Scope context_scope(env->context());
131		5254	Run(&exit_code, env.get());
132		4608	return exit_code;
133			}
134
135		5254	void NodeMainInstance::Run(int* exit_code, Environment* env) {
136	✓✗	5254	if (*exit_code == 0) {
137		5254	LoadEnvironment(env, StartExecutionCallback{});
138
139	✓✗	9553	*exit_code = SpinEventLoop(env).FromMaybe(1);
140			}
141
142			#if defined(LEAK_SANITIZER)
143			__lsan_do_leak_check();
144			#endif
145		4608	}
146
147			DeleteFnPtr<Environment, FreeEnvironment>
148		5254	NodeMainInstance::CreateMainEnvironment(int* exit_code) {
149		5254	*exit_code = 0; // Reset the exit code to 0
150
151		10508	HandleScope handle_scope(isolate_);
152
153			// TODO(addaleax): This should load a real per-Isolate option, currently
154			// this is still effectively per-process.
155	✓✓	5254	if (isolate_data_->options()->track_heap_objects) {
156		1	isolate_->GetHeapProfiler()->StartTrackingHeapObjects(true);
157			}
158
159			Local<Context> context;
160		5254	DeleteFnPtr<Environment, FreeEnvironment> env;
161
162	✓✓	5254	if (snapshot_data_ != nullptr) {
163		10504	env.reset(new Environment(isolate_data_.get(),
164			isolate_,
165		5252	args_,
166		5252	exec_args_,
167		5252	&(snapshot_data_->env_info),
168			EnvironmentFlags::kDefaultFlags,
169		5252	{}));
170		5252	context = Context::FromSnapshot(isolate_,
171			SnapshotData::kNodeMainContextIndex,
172		5252	{DeserializeNodeInternalFields, env.get()})
173		5252	.ToLocalChecked();
174
175	✗✓	5252	CHECK(!context.IsEmpty());
176		5252	Context::Scope context_scope(context);
177
178	✗✓	10504	CHECK(InitializeContextRuntime(context).IsJust());
179		5252	SetIsolateErrorHandlers(isolate_, {});
180		5252	env->InitializeMainContext(context, &(snapshot_data_->env_info));
181			#if HAVE_INSPECTOR
182		5252	env->InitializeInspector({});
183			#endif
184		5252	env->DoneBootstrapping();
185
186			#if HAVE_OPENSSL
187		5252	crypto::InitCryptoOnce(isolate_);
188			#endif // HAVE_OPENSSL
189			} else {
190		2	context = NewContext(isolate_);
191	✗✓	2	CHECK(!context.IsEmpty());
192		2	Context::Scope context_scope(context);
193		4	env.reset(new Environment(isolate_data_.get(),
194			context,
195		2	args_,
196		2	exec_args_,
197			nullptr,
198			EnvironmentFlags::kDefaultFlags,
199		2	{}));
200			#if HAVE_INSPECTOR
201		2	env->InitializeInspector({});
202			#endif
203	✗✓	4	if (env->RunBootstrapping().IsEmpty()) {
204			return nullptr;
205			}
206			}
207
208		5254	return env;
209			}
210
211			} // namespace node