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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	node_main_instance.cc	Lines:	87	88	98.9 %
Date:	2022-09-21 04:23:13	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_realm.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

#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->principal_realm()->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_realm.h"
12			#include "node_snapshot_builder.h"
13			#include "node_snapshotable.h"
14			#include "node_v8_platform-inl.h"
15			#include "util-inl.h"
16			#if defined(LEAK_SANITIZER)
17			#include <sanitizer/lsan_interface.h>
18			#endif
19
20			#if HAVE_INSPECTOR
21			#include "inspector/worker_inspector.h" // ParentInspectorHandle
22			#endif
23
24			namespace node {
25
26			using v8::Context;
27			using v8::HandleScope;
28			using v8::Isolate;
29			using v8::Local;
30			using v8::Locker;
31
32		7	NodeMainInstance::NodeMainInstance(Isolate* isolate,
33			uv_loop_t* event_loop,
34			MultiIsolatePlatform* platform,
35			const std::vector<std::string>& args,
36		7	const std::vector<std::string>& exec_args)
37			: args_(args),
38			exec_args_(exec_args),
39			array_buffer_allocator_(nullptr),
40			isolate_(isolate),
41			platform_(platform),
42			isolate_data_(nullptr),
43		7	snapshot_data_(nullptr) {
44			isolate_data_ =
45		7	std::make_unique<IsolateData>(isolate_, event_loop, platform, nullptr);
46
47		7	SetIsolateMiscHandlers(isolate_, {});
48		7	}
49
50		7	std::unique_ptr<NodeMainInstance> NodeMainInstance::Create(
51			Isolate* isolate,
52			uv_loop_t* event_loop,
53			MultiIsolatePlatform* platform,
54			const std::vector<std::string>& args,
55			const std::vector<std::string>& exec_args) {
56			return std::unique_ptr<NodeMainInstance>(
57		7	new NodeMainInstance(isolate, event_loop, platform, args, exec_args));
58			}
59
60		5522	NodeMainInstance::NodeMainInstance(const SnapshotData* snapshot_data,
61			uv_loop_t* event_loop,
62			MultiIsolatePlatform* platform,
63			const std::vector<std::string>& args,
64		5522	const std::vector<std::string>& exec_args)
65			: args_(args),
66			exec_args_(exec_args),
67			array_buffer_allocator_(ArrayBufferAllocator::Create()),
68			isolate_(nullptr),
69			platform_(platform),
70			isolate_data_(),
71			isolate_params_(std::make_unique<Isolate::CreateParams>()),
72		5522	snapshot_data_(snapshot_data) {
73		5522	isolate_params_->array_buffer_allocator = array_buffer_allocator_.get();
74	✓✓	5522	if (snapshot_data != nullptr) {
75		5520	SnapshotBuilder::InitializeIsolateParams(snapshot_data,
76			isolate_params_.get());
77			}
78
79		5522	isolate_ = Isolate::Allocate();
80	✗✓	5522	CHECK_NOT_NULL(isolate_);
81			// Register the isolate on the platform before the isolate gets initialized,
82			// so that the isolate can access the platform during initialization.
83		5522	platform->RegisterIsolate(isolate_, event_loop);
84		5522	SetIsolateCreateParamsForNode(isolate_params_.get());
85		5522	Isolate::Initialize(isolate_, *isolate_params_);
86
87			// If the indexes are not nullptr, we are not deserializing
88		5522	isolate_data_ = std::make_unique<IsolateData>(
89		5522	isolate_,
90			event_loop,
91			platform,
92		5522	array_buffer_allocator_.get(),
93	✓✓	11044	snapshot_data == nullptr ? nullptr : &(snapshot_data->isolate_data_info));
94		5522	IsolateSettings s;
95		5522	SetIsolateMiscHandlers(isolate_, s);
96	✓✓	5522	if (snapshot_data == nullptr) {
97			// If in deserialize mode, delay until after the deserialization is
98			// complete.
99		2	SetIsolateErrorHandlers(isolate_, s);
100			}
101		5522	isolate_data_->max_young_gen_size =
102		5522	isolate_params_->constraints.max_young_generation_size_in_bytes();
103		5522	}
104
105		7	void NodeMainInstance::Dispose() {
106			// This should only be called on a main instance that does not own its
107			// isolate.
108	✗✓	7	CHECK_NULL(isolate_params_);
109		7	platform_->DrainTasks(isolate_);
110		7	}
111
112	✓✓✓✓ ✓✓✓✓ ✓✓	4898	NodeMainInstance::~NodeMainInstance() {
113	✓✓	4870	if (isolate_params_ == nullptr) {
114		7	return;
115			}
116			// This should only be done on a main instance that owns its isolate.
117		4863	platform_->UnregisterIsolate(isolate_);
118		4863	isolate_->Dispose();
119		4870	}
120
121		5522	int NodeMainInstance::Run() {
122		10385	Locker locker(isolate_);
123		10385	Isolate::Scope isolate_scope(isolate_);
124		10385	HandleScope handle_scope(isolate_);
125
126		5522	int exit_code = 0;
127			DeleteFnPtr<Environment, FreeEnvironment> env =
128		10385	CreateMainEnvironment(&exit_code);
129	✗✓	5522	CHECK_NOT_NULL(env);
130
131		5522	Context::Scope context_scope(env->context());
132		5522	Run(&exit_code, env.get());
133		4863	return exit_code;
134			}
135
136		5522	void NodeMainInstance::Run(int* exit_code, Environment* env) {
137	✓✗	5522	if (*exit_code == 0) {
138		5522	LoadEnvironment(env, StartExecutionCallback{});
139
140	✓✗	10067	*exit_code = SpinEventLoop(env).FromMaybe(1);
141			}
142
143			#if defined(LEAK_SANITIZER)
144			__lsan_do_leak_check();
145			#endif
146		4863	}
147
148			DeleteFnPtr<Environment, FreeEnvironment>
149		5522	NodeMainInstance::CreateMainEnvironment(int* exit_code) {
150		5522	*exit_code = 0; // Reset the exit code to 0
151
152		11044	HandleScope handle_scope(isolate_);
153
154			// TODO(addaleax): This should load a real per-Isolate option, currently
155			// this is still effectively per-process.
156	✓✓	5522	if (isolate_data_->options()->track_heap_objects) {
157		1	isolate_->GetHeapProfiler()->StartTrackingHeapObjects(true);
158			}
159
160			Local<Context> context;
161		5522	DeleteFnPtr<Environment, FreeEnvironment> env;
162
163	✓✓	5522	if (snapshot_data_ != nullptr) {
164		11040	env.reset(new Environment(isolate_data_.get(),
165			isolate_,
166		5520	args_,
167		5520	exec_args_,
168		5520	&(snapshot_data_->env_info),
169			EnvironmentFlags::kDefaultFlags,
170		5520	{}));
171		5520	context = Context::FromSnapshot(isolate_,
172			SnapshotData::kNodeMainContextIndex,
173		5520	{DeserializeNodeInternalFields, env.get()})
174		5520	.ToLocalChecked();
175
176	✗✓	5520	CHECK(!context.IsEmpty());
177		5520	Context::Scope context_scope(context);
178
179	✗✓	11040	CHECK(InitializeContextRuntime(context).IsJust());
180		5520	SetIsolateErrorHandlers(isolate_, {});
181		5520	env->InitializeMainContext(context, &(snapshot_data_->env_info));
182			#if HAVE_INSPECTOR
183		5520	env->InitializeInspector({});
184			#endif
185
186			#if HAVE_OPENSSL
187		5520	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->principal_realm()->RunBootstrapping().IsEmpty()) {
204			return nullptr;
205			}
206			}
207
208		5522	return env;
209			}
210
211			} // namespace node