GCC Code Coverage Report
Directory: ./ Exec Total Coverage
File: env-inl.h Lines: 661 673 98.2 %
Date: 2022-07-11 04:16:15 Branches: 114 146 78.1 %

Line Branch Exec Source
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// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef SRC_ENV_INL_H_
23
#define SRC_ENV_INL_H_
24
25
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
26
27
#include "aliased_buffer.h"
28
#include "callback_queue-inl.h"
29
#include "env.h"
30
#include "node.h"
31
#include "node_context_data.h"
32
#include "node_internals.h"
33
#include "node_perf_common.h"
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#include "util-inl.h"
35
#include "uv.h"
36
#include "v8-fast-api-calls.h"
37
#include "v8.h"
38
39
#include <cstddef>
40
#include <cstdint>
41
42
#include <utility>
43
44
namespace node {
45
46
115811
NoArrayBufferZeroFillScope::NoArrayBufferZeroFillScope(
47
115811
    IsolateData* isolate_data)
48
115811
    : node_allocator_(isolate_data->node_allocator()) {
49
115811
  if (node_allocator_ != nullptr) node_allocator_->zero_fill_field()[0] = 0;
50
115811
}
51
52
231622
NoArrayBufferZeroFillScope::~NoArrayBufferZeroFillScope() {
53
115811
  if (node_allocator_ != nullptr) node_allocator_->zero_fill_field()[0] = 1;
54
115811
}
55
56
inline v8::Isolate* IsolateData::isolate() const {
57
  return isolate_;
58
}
59
60
1245955
inline uv_loop_t* IsolateData::event_loop() const {
61
1245955
  return event_loop_;
62
}
63
64
122890
inline NodeArrayBufferAllocator* IsolateData::node_allocator() const {
65
122890
  return node_allocator_;
66
}
67
68
58859
inline MultiIsolatePlatform* IsolateData::platform() const {
69
58859
  return platform_;
70
}
71
72
1248
inline void IsolateData::set_worker_context(worker::Worker* context) {
73
1248
  CHECK_NULL(worker_context_);  // Should be set only once.
74
1248
  worker_context_ = context;
75
1248
}
76
77
20148
inline worker::Worker* IsolateData::worker_context() const {
78
20148
  return worker_context_;
79
}
80
81
217620
inline v8::Local<v8::String> IsolateData::async_wrap_provider(int index) const {
82
217620
  return async_wrap_providers_[index].Get(isolate_);
83
}
84
85
2640409
inline AliasedUint32Array& AsyncHooks::fields() {
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2640409
  return fields_;
87
}
88
89
1706218
inline AliasedFloat64Array& AsyncHooks::async_id_fields() {
90
1706218
  return async_id_fields_;
91
}
92
93
1293
inline AliasedFloat64Array& AsyncHooks::async_ids_stack() {
94
1293
  return async_ids_stack_;
95
}
96
97
832479
v8::Local<v8::Array> AsyncHooks::js_execution_async_resources() {
98
832479
  if (UNLIKELY(js_execution_async_resources_.IsEmpty())) {
99
1293
    js_execution_async_resources_.Reset(
100
2586
        env()->isolate(), v8::Array::New(env()->isolate()));
101
  }
102
832479
  return PersistentToLocal::Strong(js_execution_async_resources_);
103
}
104
105
2406
v8::Local<v8::Object> AsyncHooks::native_execution_async_resource(size_t i) {
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2406
  if (i >= native_execution_async_resources_.size()) return {};
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2406
  return native_execution_async_resources_[i];
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}
109
110
15378
inline void AsyncHooks::SetJSPromiseHooks(v8::Local<v8::Function> init,
111
                                          v8::Local<v8::Function> before,
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                                          v8::Local<v8::Function> after,
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                                          v8::Local<v8::Function> resolve) {
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15378
  js_promise_hooks_[0].Reset(env()->isolate(), init);
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15378
  js_promise_hooks_[1].Reset(env()->isolate(), before);
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15378
  js_promise_hooks_[2].Reset(env()->isolate(), after);
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15378
  js_promise_hooks_[3].Reset(env()->isolate(), resolve);
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31098
  for (auto it = contexts_.begin(); it != contexts_.end(); it++) {
119
15720
    if (it->IsEmpty()) {
120
      contexts_.erase(it--);
121
      continue;
122
    }
123
31440
    PersistentToLocal::Weak(env()->isolate(), *it)
124
15720
        ->SetPromiseHooks(init, before, after, resolve);
125
  }
126
15378
}
127
128
217272
inline v8::Local<v8::String> AsyncHooks::provider_string(int idx) {
129
217272
  return env()->isolate_data()->async_wrap_provider(idx);
130
}
131
132
1
inline void AsyncHooks::no_force_checks() {
133
1
  fields_[kCheck] -= 1;
134
1
}
135
136
450072
inline Environment* AsyncHooks::env() {
137
450072
  return Environment::ForAsyncHooks(this);
138
}
139
140
// Remember to keep this code aligned with pushAsyncContext() in JS.
141
798157
inline void AsyncHooks::push_async_context(double async_id,
142
                                           double trigger_async_id,
143
                                           v8::Local<v8::Object> resource) {
144
  // Since async_hooks is experimental, do only perform the check
145
  // when async_hooks is enabled.
146
798157
  if (fields_[kCheck] > 0) {
147
798153
    CHECK_GE(async_id, -1);
148
798153
    CHECK_GE(trigger_async_id, -1);
149
  }
150
151
798157
  uint32_t offset = fields_[kStackLength];
152
798157
  if (offset * 2 >= async_ids_stack_.Length())
153
4
    grow_async_ids_stack();
154
798157
  async_ids_stack_[2 * offset] = async_id_fields_[kExecutionAsyncId];
155
798157
  async_ids_stack_[2 * offset + 1] = async_id_fields_[kTriggerAsyncId];
156
798157
  fields_[kStackLength] += 1;
157
798157
  async_id_fields_[kExecutionAsyncId] = async_id;
158
798157
  async_id_fields_[kTriggerAsyncId] = trigger_async_id;
159
160
#ifdef DEBUG
161
  for (uint32_t i = offset; i < native_execution_async_resources_.size(); i++)
162
    CHECK(native_execution_async_resources_[i].IsEmpty());
163
#endif
164
165
  // When this call comes from JS (as a way of increasing the stack size),
166
  // `resource` will be empty, because JS caches these values anyway.
167
798157
  if (!resource.IsEmpty()) {
168
798153
    native_execution_async_resources_.resize(offset + 1);
169
    // Caveat: This is a v8::Local<> assignment, we do not keep a v8::Global<>!
170
798153
    native_execution_async_resources_[offset] = resource;
171
  }
172
798157
}
173
174
// Remember to keep this code aligned with popAsyncContext() in JS.
175
797750
inline bool AsyncHooks::pop_async_context(double async_id) {
176
  // In case of an exception then this may have already been reset, if the
177
  // stack was multiple MakeCallback()'s deep.
178
797750
  if (UNLIKELY(fields_[kStackLength] == 0)) return false;
179
180
  // Ask for the async_id to be restored as a check that the stack
181
  // hasn't been corrupted.
182
1593382
  if (UNLIKELY(fields_[kCheck] > 0 &&
183

1593382
               async_id_fields_[kExecutionAsyncId] != async_id)) {
184
4
    FailWithCorruptedAsyncStack(async_id);
185
  }
186
187
796689
  uint32_t offset = fields_[kStackLength] - 1;
188
796689
  async_id_fields_[kExecutionAsyncId] = async_ids_stack_[2 * offset];
189
796689
  async_id_fields_[kTriggerAsyncId] = async_ids_stack_[2 * offset + 1];
190
796689
  fields_[kStackLength] = offset;
191
192
1593378
  if (LIKELY(offset < native_execution_async_resources_.size() &&
193

1593378
             !native_execution_async_resources_[offset].IsEmpty())) {
194
#ifdef DEBUG
195
    for (uint32_t i = offset + 1;
196
         i < native_execution_async_resources_.size();
197
         i++) {
198
      CHECK(native_execution_async_resources_[i].IsEmpty());
199
    }
200
#endif
201
796689
    native_execution_async_resources_.resize(offset);
202
796689
    if (native_execution_async_resources_.size() <
203

1028774
            native_execution_async_resources_.capacity() / 2 &&
204
232085
        native_execution_async_resources_.size() > 16) {
205
      native_execution_async_resources_.shrink_to_fit();
206
    }
207
  }
208
209
1593378
  if (UNLIKELY(js_execution_async_resources()->Length() > offset)) {
210
34497
    v8::HandleScope handle_scope(env()->isolate());
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68994
    USE(js_execution_async_resources()->Set(
212
        env()->context(),
213
        env()->length_string(),
214
137988
        v8::Integer::NewFromUnsigned(env()->isolate(), offset)));
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  }
216
217
796689
  return fields_[kStackLength] > 0;
218
}
219
220
3298
void AsyncHooks::clear_async_id_stack() {
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3298
  v8::Isolate* isolate = env()->isolate();
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3298
  v8::HandleScope handle_scope(isolate);
223
3298
  if (!js_execution_async_resources_.IsEmpty()) {
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4010
    USE(PersistentToLocal::Strong(js_execution_async_resources_)->Set(
225
        env()->context(),
226
        env()->length_string(),
227
8020
        v8::Integer::NewFromUnsigned(isolate, 0)));
228
  }
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3298
  native_execution_async_resources_.clear();
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3298
  native_execution_async_resources_.shrink_to_fit();
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232
3298
  async_id_fields_[kExecutionAsyncId] = 0;
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3298
  async_id_fields_[kTriggerAsyncId] = 0;
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3298
  fields_[kStackLength] = 0;
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3298
}
236
237
7154
inline void AsyncHooks::AddContext(v8::Local<v8::Context> ctx) {
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28206
  ctx->SetPromiseHooks(
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7154
    js_promise_hooks_[0].IsEmpty() ?
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7154
      v8::Local<v8::Function>() :
241
205
      PersistentToLocal::Strong(js_promise_hooks_[0]),
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7154
    js_promise_hooks_[1].IsEmpty() ?
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7154
      v8::Local<v8::Function>() :
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205
      PersistentToLocal::Strong(js_promise_hooks_[1]),
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7154
    js_promise_hooks_[2].IsEmpty() ?
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7154
      v8::Local<v8::Function>() :
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205
      PersistentToLocal::Strong(js_promise_hooks_[2]),
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7154
    js_promise_hooks_[3].IsEmpty() ?
249
7154
      v8::Local<v8::Function>() :
250
      PersistentToLocal::Strong(js_promise_hooks_[3]));
251
252
7154
  size_t id = contexts_.size();
253
7154
  contexts_.resize(id + 1);
254
7154
  contexts_[id].Reset(env()->isolate(), ctx);
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7154
  contexts_[id].SetWeak();
256
7154
}
257
258
510
inline void AsyncHooks::RemoveContext(v8::Local<v8::Context> ctx) {
259
510
  v8::Isolate* isolate = env()->isolate();
260
1020
  v8::HandleScope handle_scope(isolate);
261
510
  contexts_.erase(std::remove_if(contexts_.begin(),
262
                                 contexts_.end(),
263
4110
                                 [&](auto&& el) { return el.IsEmpty(); }),
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1020
                  contexts_.end());
265
4047
  for (auto it = contexts_.begin(); it != contexts_.end(); it++) {
266
    v8::Local<v8::Context> saved_context =
267
3537
      PersistentToLocal::Weak(isolate, *it);
268
3537
    if (saved_context == ctx) {
269
      it->Reset();
270
      contexts_.erase(it);
271
      break;
272
    }
273
  }
274
510
}
275
276
// The DefaultTriggerAsyncIdScope(AsyncWrap*) constructor is defined in
277
// async_wrap-inl.h to avoid a circular dependency.
278
279
246927
inline AsyncHooks::DefaultTriggerAsyncIdScope ::DefaultTriggerAsyncIdScope(
280
246927
    Environment* env, double default_trigger_async_id)
281
246927
    : async_hooks_(env->async_hooks()) {
282
246927
  if (env->async_hooks()->fields()[AsyncHooks::kCheck] > 0) {
283
246927
    CHECK_GE(default_trigger_async_id, 0);
284
  }
285
286
246927
  old_default_trigger_async_id_ =
287
246927
    async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId];
288
246927
  async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId] =
289
246927
    default_trigger_async_id;
290
246927
}
291
292
493852
inline AsyncHooks::DefaultTriggerAsyncIdScope ::~DefaultTriggerAsyncIdScope() {
293
246926
  async_hooks_->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId] =
294
246926
    old_default_trigger_async_id_;
295
246926
}
296
297
450072
Environment* Environment::ForAsyncHooks(AsyncHooks* hooks) {
298
450072
  return ContainerOf(&Environment::async_hooks_, hooks);
299
}
300
301
797954
inline size_t Environment::async_callback_scope_depth() const {
302
797954
  return async_callback_scope_depth_;
303
}
304
305
815320
inline void Environment::PushAsyncCallbackScope() {
306
815320
  async_callback_scope_depth_++;
307
815320
}
308
309
814798
inline void Environment::PopAsyncCallbackScope() {
310
814798
  async_callback_scope_depth_--;
311
814798
}
312
313
1293
inline AliasedUint32Array& ImmediateInfo::fields() {
314
1293
  return fields_;
315
}
316
317
190559
inline uint32_t ImmediateInfo::count() const {
318
190559
  return fields_[kCount];
319
}
320
321
292108
inline uint32_t ImmediateInfo::ref_count() const {
322
292108
  return fields_[kRefCount];
323
}
324
325
47819
inline bool ImmediateInfo::has_outstanding() const {
326
47819
  return fields_[kHasOutstanding] == 1;
327
}
328
329
34722
inline void ImmediateInfo::ref_count_inc(uint32_t increment) {
330
34722
  fields_[kRefCount] += increment;
331
34722
}
332
333
210519
inline void ImmediateInfo::ref_count_dec(uint32_t decrement) {
334
210519
  fields_[kRefCount] -= decrement;
335
210519
}
336
337
1293
inline AliasedUint8Array& TickInfo::fields() {
338
1293
  return fields_;
339
}
340
341
1440644
inline bool TickInfo::has_tick_scheduled() const {
342
1440644
  return fields_[kHasTickScheduled] == 1;
343
}
344
345
527960
inline bool TickInfo::has_rejection_to_warn() const {
346
527960
  return fields_[kHasRejectionToWarn] == 1;
347
}
348
349
7154
inline void Environment::AssignToContext(v8::Local<v8::Context> context,
350
                                         const ContextInfo& info) {
351
7154
  context->SetAlignedPointerInEmbedderData(
352
      ContextEmbedderIndex::kEnvironment, this);
353
  // Used by Environment::GetCurrent to know that we are on a node context.
354
7154
  context->SetAlignedPointerInEmbedderData(
355
    ContextEmbedderIndex::kContextTag, Environment::kNodeContextTagPtr);
356
  // Used to retrieve bindings
357
14308
  context->SetAlignedPointerInEmbedderData(
358
7154
      ContextEmbedderIndex::kBindingListIndex, &(this->bindings_));
359
360
#if HAVE_INSPECTOR
361
7154
  inspector_agent()->ContextCreated(context, info);
362
#endif  // HAVE_INSPECTOR
363
364
7154
  this->async_hooks()->AddContext(context);
365
7154
}
366
367
58448
inline Environment* Environment::GetCurrent(v8::Isolate* isolate) {
368
58448
  if (UNLIKELY(!isolate->InContext())) return nullptr;
369
112924
  v8::HandleScope handle_scope(isolate);
370
56462
  return GetCurrent(isolate->GetCurrentContext());
371
}
372
373
7642104
inline Environment* Environment::GetCurrent(v8::Local<v8::Context> context) {
374
7642104
  if (UNLIKELY(context.IsEmpty())) {
375
1
    return nullptr;
376
  }
377
7642103
  if (UNLIKELY(context->GetNumberOfEmbedderDataFields() <=
378
7642103
               ContextEmbedderIndex::kContextTag)) {
379
11
    return nullptr;
380
  }
381
7642092
  if (UNLIKELY(context->GetAlignedPointerFromEmbedderData(
382
                   ContextEmbedderIndex::kContextTag) !=
383
7642092
               Environment::kNodeContextTagPtr)) {
384
    return nullptr;
385
  }
386
  return static_cast<Environment*>(
387
7642092
      context->GetAlignedPointerFromEmbedderData(
388
7642092
          ContextEmbedderIndex::kEnvironment));
389
}
390
391
5749598
inline Environment* Environment::GetCurrent(
392
    const v8::FunctionCallbackInfo<v8::Value>& info) {
393
5749598
  return GetCurrent(info.GetIsolate()->GetCurrentContext());
394
}
395
396
template <typename T>
397
2762612
inline Environment* Environment::GetCurrent(
398
    const v8::PropertyCallbackInfo<T>& info) {
399
2762612
  return GetCurrent(info.GetIsolate()->GetCurrentContext());
400
}
401
402
template <typename T, typename U>
403
inline T* Environment::GetBindingData(const v8::PropertyCallbackInfo<U>& info) {
404
  return GetBindingData<T>(info.GetIsolate()->GetCurrentContext());
405
}
406
407
template <typename T>
408
968714
inline T* Environment::GetBindingData(
409
    const v8::FunctionCallbackInfo<v8::Value>& info) {
410
968714
  return GetBindingData<T>(info.GetIsolate()->GetCurrentContext());
411
}
412
413
template <typename T>
414
968716
inline T* Environment::GetBindingData(v8::Local<v8::Context> context) {
415
  BindingDataStore* map = static_cast<BindingDataStore*>(
416
968716
      context->GetAlignedPointerFromEmbedderData(
417
          ContextEmbedderIndex::kBindingListIndex));
418
  DCHECK_NOT_NULL(map);
419
968716
  auto it = map->find(T::type_name);
420
968716
  if (UNLIKELY(it == map->end())) return nullptr;
421
968716
  T* result = static_cast<T*>(it->second.get());
422
  DCHECK_NOT_NULL(result);
423
  DCHECK_EQ(result->env(), GetCurrent(context));
424
968716
  return result;
425
}
426
427
template <typename T>
428
27654
inline T* Environment::AddBindingData(
429
    v8::Local<v8::Context> context,
430
    v8::Local<v8::Object> target) {
431
  DCHECK_EQ(GetCurrent(context), this);
432
  // This won't compile if T is not a BaseObject subclass.
433
55308
  BaseObjectPtr<T> item = MakeDetachedBaseObject<T>(this, target);
434
  BindingDataStore* map = static_cast<BindingDataStore*>(
435
27654
      context->GetAlignedPointerFromEmbedderData(
436
          ContextEmbedderIndex::kBindingListIndex));
437
  DCHECK_NOT_NULL(map);
438
27654
  auto result = map->emplace(T::type_name, item);
439
27654
  CHECK(result.second);
440
  DCHECK_EQ(GetBindingData<T>(context), item.get());
441
27654
  return item.get();
442
}
443
444
30361847
inline v8::Isolate* Environment::isolate() const {
445
30361847
  return isolate_;
446
}
447
448
8345
inline Environment* Environment::from_timer_handle(uv_timer_t* handle) {
449
8345
  return ContainerOf(&Environment::timer_handle_, handle);
450
}
451
452
33649
inline uv_timer_t* Environment::timer_handle() {
453
33649
  return &timer_handle_;
454
}
455
456
190559
inline Environment* Environment::from_immediate_check_handle(
457
    uv_check_t* handle) {
458
190559
  return ContainerOf(&Environment::immediate_check_handle_, handle);
459
}
460
461
25996
inline uv_check_t* Environment::immediate_check_handle() {
462
25996
  return &immediate_check_handle_;
463
}
464
465
238889
inline uv_idle_t* Environment::immediate_idle_handle() {
466
238889
  return &immediate_idle_handle_;
467
}
468
469
38994
inline void Environment::RegisterHandleCleanup(uv_handle_t* handle,
470
                                               HandleCleanupCb cb,
471
                                               void* arg) {
472
38994
  handle_cleanup_queue_.push_back(HandleCleanup{handle, cb, arg});
473
38994
}
474
475
template <typename T, typename OnCloseCallback>
476
40805
inline void Environment::CloseHandle(T* handle, OnCloseCallback callback) {
477
40649
  handle_cleanup_waiting_++;
478
  static_assert(sizeof(T) >= sizeof(uv_handle_t), "T is a libuv handle");
479
  static_assert(offsetof(T, data) == offsetof(uv_handle_t, data),
480
                "T is a libuv handle");
481
  static_assert(offsetof(T, close_cb) == offsetof(uv_handle_t, close_cb),
482
                "T is a libuv handle");
483
  struct CloseData {
484
    Environment* env;
485
    OnCloseCallback callback;
486
    void* original_data;
487
  };
488
40727
  handle->data = new CloseData { this, callback, handle->data };
489
41039
  uv_close(reinterpret_cast<uv_handle_t*>(handle), [](uv_handle_t* handle) {
490
81298
    std::unique_ptr<CloseData> data { static_cast<CloseData*>(handle->data) };
491
40727
    data->env->handle_cleanup_waiting_--;
492
40727
    handle->data = data->original_data;
493
40727
    data->callback(reinterpret_cast<T*>(handle));
494
  });
495
40727
}
496
497
90334
void Environment::IncreaseWaitingRequestCounter() {
498
90334
  request_waiting_++;
499
90334
}
500
501
90326
void Environment::DecreaseWaitingRequestCounter() {
502
90326
  request_waiting_--;
503
90326
  CHECK_GE(request_waiting_, 0);
504
90326
}
505
506
1239423
inline uv_loop_t* Environment::event_loop() const {
507
1239423
  return isolate_data()->event_loop();
508
}
509
510
170
inline void Environment::TryLoadAddon(
511
    const char* filename,
512
    int flags,
513
    const std::function<bool(binding::DLib*)>& was_loaded) {
514
170
  loaded_addons_.emplace_back(filename, flags);
515
170
  if (!was_loaded(&loaded_addons_.back())) {
516
8
    loaded_addons_.pop_back();
517
  }
518
170
}
519
520
#if HAVE_INSPECTOR
521
43683
inline bool Environment::is_in_inspector_console_call() const {
522
43683
  return is_in_inspector_console_call_;
523
}
524
525
87364
inline void Environment::set_is_in_inspector_console_call(bool value) {
526
87364
  is_in_inspector_console_call_ = value;
527
87364
}
528
#endif
529
530
5977579
inline AsyncHooks* Environment::async_hooks() {
531
5977579
  return &async_hooks_;
532
}
533
534
777020
inline ImmediateInfo* Environment::immediate_info() {
535
777020
  return &immediate_info_;
536
}
537
538
721650
inline TickInfo* Environment::tick_info() {
539
721650
  return &tick_info_;
540
}
541
542
104552
inline uint64_t Environment::timer_base() const {
543
104552
  return timer_base_;
544
}
545
546
1400965
inline std::shared_ptr<KVStore> Environment::env_vars() {
547
1400965
  return env_vars_;
548
}
549
550
7768
inline void Environment::set_env_vars(std::shared_ptr<KVStore> env_vars) {
551
7768
  env_vars_ = env_vars;
552
7768
}
553
554
19
inline bool Environment::printed_error() const {
555
19
  return printed_error_;
556
}
557
558
19
inline void Environment::set_printed_error(bool value) {
559
19
  printed_error_ = value;
560
19
}
561
562
11362
inline void Environment::set_trace_sync_io(bool value) {
563
11362
  trace_sync_io_ = value;
564
11362
}
565
566
118
inline bool Environment::abort_on_uncaught_exception() const {
567
118
  return options_->abort_on_uncaught_exception;
568
}
569
570
inline void Environment::set_force_context_aware(bool value) {
571
  options_->force_context_aware = value;
572
}
573
574
41
inline bool Environment::force_context_aware() const {
575
41
  return options_->force_context_aware;
576
}
577
578
1240
inline void Environment::set_abort_on_uncaught_exception(bool value) {
579
1240
  options_->abort_on_uncaught_exception = value;
580
1240
}
581
582
1323
inline AliasedUint32Array& Environment::should_abort_on_uncaught_toggle() {
583
1323
  return should_abort_on_uncaught_toggle_;
584
}
585
586
309841
inline AliasedInt32Array& Environment::stream_base_state() {
587
309841
  return stream_base_state_;
588
}
589
590
55006
inline uint32_t Environment::get_next_module_id() {
591
55006
  return module_id_counter_++;
592
}
593
4488
inline uint32_t Environment::get_next_script_id() {
594
4488
  return script_id_counter_++;
595
}
596
35718
inline uint32_t Environment::get_next_function_id() {
597
35718
  return function_id_counter_++;
598
}
599
600
113994
ShouldNotAbortOnUncaughtScope::ShouldNotAbortOnUncaughtScope(
601
113994
    Environment* env)
602
113994
    : env_(env) {
603
113994
  env_->PushShouldNotAbortOnUncaughtScope();
604
113994
}
605
606
227982
ShouldNotAbortOnUncaughtScope::~ShouldNotAbortOnUncaughtScope() {
607
113991
  Close();
608
113991
}
609
610
114183
void ShouldNotAbortOnUncaughtScope::Close() {
611
114183
  if (env_ != nullptr) {
612
113991
    env_->PopShouldNotAbortOnUncaughtScope();
613
113991
    env_ = nullptr;
614
  }
615
114183
}
616
617
113994
inline void Environment::PushShouldNotAbortOnUncaughtScope() {
618
113994
  should_not_abort_scope_counter_++;
619
113994
}
620
621
113991
inline void Environment::PopShouldNotAbortOnUncaughtScope() {
622
113991
  should_not_abort_scope_counter_--;
623
113991
}
624
625
1
inline bool Environment::inside_should_not_abort_on_uncaught_scope() const {
626
1
  return should_not_abort_scope_counter_ > 0;
627
}
628
629
389226
inline std::vector<double>* Environment::destroy_async_id_list() {
630
389226
  return &destroy_async_id_list_;
631
}
632
633
217827
inline double Environment::new_async_id() {
634
217827
  async_hooks()->async_id_fields()[AsyncHooks::kAsyncIdCounter] += 1;
635
217827
  return async_hooks()->async_id_fields()[AsyncHooks::kAsyncIdCounter];
636
}
637
638
246611
inline double Environment::execution_async_id() {
639
246611
  return async_hooks()->async_id_fields()[AsyncHooks::kExecutionAsyncId];
640
}
641
642
64056
inline double Environment::trigger_async_id() {
643
64056
  return async_hooks()->async_id_fields()[AsyncHooks::kTriggerAsyncId];
644
}
645
646
217824
inline double Environment::get_default_trigger_async_id() {
647
  double default_trigger_async_id =
648
217824
    async_hooks()->async_id_fields()[AsyncHooks::kDefaultTriggerAsyncId];
649
  // If defaultTriggerAsyncId isn't set, use the executionAsyncId
650
217824
  if (default_trigger_async_id < 0)
651
182499
    default_trigger_async_id = execution_async_id();
652
217824
  return default_trigger_async_id;
653
}
654
655
74153
inline std::shared_ptr<EnvironmentOptions> Environment::options() {
656
74153
  return options_;
657
}
658
659
17980
inline const std::vector<std::string>& Environment::argv() {
660
17980
  return argv_;
661
}
662
663
7682
inline const std::vector<std::string>& Environment::exec_argv() {
664
7682
  return exec_argv_;
665
}
666
667
12998
inline const std::string& Environment::exec_path() const {
668
12998
  return exec_path_;
669
}
670
671
11
inline std::string Environment::GetCwd() {
672
  char cwd[PATH_MAX_BYTES];
673
11
  size_t size = PATH_MAX_BYTES;
674
11
  const int err = uv_cwd(cwd, &size);
675
676
11
  if (err == 0) {
677
11
    CHECK_GT(size, 0);
678
11
    return cwd;
679
  }
680
681
  // This can fail if the cwd is deleted. In that case, fall back to
682
  // exec_path.
683
  const std::string& exec_path = exec_path_;
684
  return exec_path.substr(0, exec_path.find_last_of(kPathSeparator));
685
}
686
687
#if HAVE_INSPECTOR
688
6494
inline void Environment::set_coverage_directory(const char* dir) {
689
6494
  coverage_directory_ = std::string(dir);
690
6494
}
691
692
6517
inline void Environment::set_coverage_connection(
693
    std::unique_ptr<profiler::V8CoverageConnection> connection) {
694
6517
  CHECK_NULL(coverage_connection_);
695
6517
  std::swap(coverage_connection_, connection);
696
6517
}
697
698
19550
inline profiler::V8CoverageConnection* Environment::coverage_connection() {
699
19550
  return coverage_connection_.get();
700
}
701
702
6479
inline const std::string& Environment::coverage_directory() const {
703
6479
  return coverage_directory_;
704
}
705
706
12
inline void Environment::set_cpu_profiler_connection(
707
    std::unique_ptr<profiler::V8CpuProfilerConnection> connection) {
708
12
  CHECK_NULL(cpu_profiler_connection_);
709
12
  std::swap(cpu_profiler_connection_, connection);
710
12
}
711
712
inline profiler::V8CpuProfilerConnection*
713
6533
Environment::cpu_profiler_connection() {
714
6533
  return cpu_profiler_connection_.get();
715
}
716
717
12
inline void Environment::set_cpu_prof_interval(uint64_t interval) {
718
12
  cpu_prof_interval_ = interval;
719
12
}
720
721
12
inline uint64_t Environment::cpu_prof_interval() const {
722
12
  return cpu_prof_interval_;
723
}
724
725
12
inline void Environment::set_cpu_prof_name(const std::string& name) {
726
12
  cpu_prof_name_ = name;
727
12
}
728
729
12
inline const std::string& Environment::cpu_prof_name() const {
730
12
  return cpu_prof_name_;
731
}
732
733
12
inline void Environment::set_cpu_prof_dir(const std::string& dir) {
734
12
  cpu_prof_dir_ = dir;
735
12
}
736
737
12
inline const std::string& Environment::cpu_prof_dir() const {
738
12
  return cpu_prof_dir_;
739
}
740
741
12
inline void Environment::set_heap_profiler_connection(
742
    std::unique_ptr<profiler::V8HeapProfilerConnection> connection) {
743
12
  CHECK_NULL(heap_profiler_connection_);
744
12
  std::swap(heap_profiler_connection_, connection);
745
12
}
746
747
inline profiler::V8HeapProfilerConnection*
748
6521
Environment::heap_profiler_connection() {
749
6521
  return heap_profiler_connection_.get();
750
}
751
752
12
inline void Environment::set_heap_prof_name(const std::string& name) {
753
12
  heap_prof_name_ = name;
754
12
}
755
756
12
inline const std::string& Environment::heap_prof_name() const {
757
12
  return heap_prof_name_;
758
}
759
760
12
inline void Environment::set_heap_prof_dir(const std::string& dir) {
761
12
  heap_prof_dir_ = dir;
762
12
}
763
764
12
inline const std::string& Environment::heap_prof_dir() const {
765
12
  return heap_prof_dir_;
766
}
767
768
12
inline void Environment::set_heap_prof_interval(uint64_t interval) {
769
12
  heap_prof_interval_ = interval;
770
12
}
771
772
12
inline uint64_t Environment::heap_prof_interval() const {
773
12
  return heap_prof_interval_;
774
}
775
776
#endif  // HAVE_INSPECTOR
777
778
inline
779
13232
std::shared_ptr<ExclusiveAccess<HostPort>> Environment::inspector_host_port() {
780
13232
  return inspector_host_port_;
781
}
782
783
63501
inline std::shared_ptr<PerIsolateOptions> IsolateData::options() {
784
63501
  return options_;
785
}
786
787
289
inline void IsolateData::set_options(
788
    std::shared_ptr<PerIsolateOptions> options) {
789
289
  options_ = std::move(options);
790
289
}
791
792
template <typename Fn>
793
93955
void Environment::SetImmediate(Fn&& cb, CallbackFlags::Flags flags) {
794
187910
  auto callback = native_immediates_.CreateCallback(std::move(cb), flags);
795
93955
  native_immediates_.Push(std::move(callback));
796
797
93955
  if (flags & CallbackFlags::kRefed) {
798
69430
    if (immediate_info()->ref_count() == 0)
799
50714
      ToggleImmediateRef(true);
800
69430
    immediate_info()->ref_count_inc(1);
801
  }
802
93955
}
803
804
template <typename Fn>
805
3788
void Environment::SetImmediateThreadsafe(Fn&& cb, CallbackFlags::Flags flags) {
806
7576
  auto callback = native_immediates_threadsafe_.CreateCallback(
807
3788
      std::move(cb), flags);
808
  {
809
7576
    Mutex::ScopedLock lock(native_immediates_threadsafe_mutex_);
810
3788
    native_immediates_threadsafe_.Push(std::move(callback));
811
3788
    if (task_queues_async_initialized_)
812
3779
      uv_async_send(&task_queues_async_);
813
  }
814
3788
}
815
816
template <typename Fn>
817
11865
void Environment::RequestInterrupt(Fn&& cb) {
818
23730
  auto callback = native_immediates_interrupts_.CreateCallback(
819
11865
      std::move(cb), CallbackFlags::kRefed);
820
  {
821
23730
    Mutex::ScopedLock lock(native_immediates_threadsafe_mutex_);
822
11865
    native_immediates_interrupts_.Push(std::move(callback));
823
11865
    if (task_queues_async_initialized_)
824
5231
      uv_async_send(&task_queues_async_);
825
  }
826
11865
  RequestInterruptFromV8();
827
11865
}
828
829
3092909
inline bool Environment::can_call_into_js() const {
830

3092909
  return can_call_into_js_ && !is_stopping();
831
}
832
833
2573
inline void Environment::set_can_call_into_js(bool can_call_into_js) {
834
2573
  can_call_into_js_ = can_call_into_js;
835
2573
}
836
837
1544938
inline bool Environment::has_run_bootstrapping_code() const {
838
1544938
  return has_run_bootstrapping_code_;
839
}
840
841
6532
inline void Environment::DoneBootstrapping() {
842
6532
  has_run_bootstrapping_code_ = true;
843
  // This adjusts the return value of base_object_created_after_bootstrap() so
844
  // that tests that check the count do not have to account for internally
845
  // created BaseObjects.
846
6532
  base_object_created_by_bootstrap_ = base_object_count_;
847
6532
}
848
849
19
inline bool Environment::has_serialized_options() const {
850
19
  return has_serialized_options_;
851
}
852
853
7059
inline void Environment::set_has_serialized_options(bool value) {
854
7059
  has_serialized_options_ = value;
855
7059
}
856
857
12424
inline bool Environment::is_main_thread() const {
858
12424
  return worker_context() == nullptr;
859
}
860
861
1647
inline bool Environment::no_native_addons() const {
862
3290
  return (flags_ & EnvironmentFlags::kNoNativeAddons) ||
863
3290
          !options_->allow_native_addons;
864
}
865
866
6497
inline bool Environment::should_not_register_esm_loader() const {
867
6497
  return flags_ & EnvironmentFlags::kNoRegisterESMLoader;
868
}
869
870
18778
inline bool Environment::owns_process_state() const {
871
18778
  return flags_ & EnvironmentFlags::kOwnsProcessState;
872
}
873
874
6526
inline bool Environment::owns_inspector() const {
875
6526
  return flags_ & EnvironmentFlags::kOwnsInspector;
876
}
877
878
19528
inline bool Environment::should_create_inspector() const {
879
19528
  return (flags_ & EnvironmentFlags::kNoCreateInspector) == 0;
880
}
881
882
126846
inline bool Environment::tracks_unmanaged_fds() const {
883
126846
  return flags_ & EnvironmentFlags::kTrackUnmanagedFds;
884
}
885
886
4256
inline bool Environment::hide_console_windows() const {
887
4256
  return flags_ & EnvironmentFlags::kHideConsoleWindows;
888
}
889
890
7967
inline bool Environment::no_global_search_paths() const {
891
15934
  return (flags_ & EnvironmentFlags::kNoGlobalSearchPaths) ||
892
15934
         !options_->global_search_paths;
893
}
894
895
2763
inline bool Environment::no_browser_globals() const {
896
  // configure --no-browser-globals
897
#ifdef NODE_NO_BROWSER_GLOBALS
898
  return true;
899
#else
900
2763
  return flags_ & EnvironmentFlags::kNoBrowserGlobals;
901
#endif
902
}
903
904
4
bool Environment::filehandle_close_warning() const {
905
4
  return emit_filehandle_warning_;
906
}
907
908
3
void Environment::set_filehandle_close_warning(bool on) {
909
3
  emit_filehandle_warning_ = on;
910
3
}
911
912
6342
void Environment::set_source_maps_enabled(bool on) {
913
6342
  source_maps_enabled_ = on;
914
6342
}
915
916
931
bool Environment::source_maps_enabled() const {
917
931
  return source_maps_enabled_;
918
}
919
920
9094
inline uint64_t Environment::thread_id() const {
921
9094
  return thread_id_;
922
}
923
924
20148
inline worker::Worker* Environment::worker_context() const {
925
20148
  return isolate_data()->worker_context();
926
}
927
928
1467
inline void Environment::add_sub_worker_context(worker::Worker* context) {
929
1467
  sub_worker_contexts_.insert(context);
930
1467
}
931
932
1494
inline void Environment::remove_sub_worker_context(worker::Worker* context) {
933
1494
  sub_worker_contexts_.erase(context);
934
1494
}
935
936
template <typename Fn>
937
24
inline void Environment::ForEachWorker(Fn&& iterator) {
938
26
  for (worker::Worker* w : sub_worker_contexts_) iterator(w);
939
24
}
940
941
2921
inline void Environment::add_refs(int64_t diff) {
942
2921
  task_queues_async_refs_ += diff;
943
2921
  CHECK_GE(task_queues_async_refs_, 0);
944
2921
  if (task_queues_async_refs_ == 0)
945
193
    uv_unref(reinterpret_cast<uv_handle_t*>(&task_queues_async_));
946
  else
947
2728
    uv_ref(reinterpret_cast<uv_handle_t*>(&task_queues_async_));
948
2921
}
949
950
4640121
inline bool Environment::is_stopping() const {
951
4640121
  return is_stopping_.load();
952
}
953
954
6835
inline void Environment::set_stopping(bool value) {
955
6835
  is_stopping_.store(value);
956
6835
}
957
958
14
inline std::list<node_module>* Environment::extra_linked_bindings() {
959
14
  return &extra_linked_bindings_;
960
}
961
962
10
inline node_module* Environment::extra_linked_bindings_head() {
963
10
  return extra_linked_bindings_.size() > 0 ?
964
10
      &extra_linked_bindings_.front() : nullptr;
965
}
966
967
9
inline node_module* Environment::extra_linked_bindings_tail() {
968
9
  return extra_linked_bindings_.size() > 0 ?
969
9
      &extra_linked_bindings_.back() : nullptr;
970
}
971
972
19
inline const Mutex& Environment::extra_linked_bindings_mutex() const {
973
19
  return extra_linked_bindings_mutex_;
974
}
975
976
44366
inline performance::PerformanceState* Environment::performance_state() {
977
44366
  return performance_state_.get();
978
}
979
980
8437843
inline IsolateData* Environment::isolate_data() const {
981
8437843
  return isolate_data_;
982
}
983
984
67506
inline uv_buf_t Environment::allocate_managed_buffer(
985
    const size_t suggested_size) {
986
135012
  NoArrayBufferZeroFillScope no_zero_fill_scope(isolate_data());
987
  std::unique_ptr<v8::BackingStore> bs =
988
67506
      v8::ArrayBuffer::NewBackingStore(isolate(), suggested_size);
989
67506
  uv_buf_t buf = uv_buf_init(static_cast<char*>(bs->Data()), bs->ByteLength());
990
67506
  released_allocated_buffers_.emplace(buf.base, std::move(bs));
991
67506
  return buf;
992
}
993
994
82448
inline std::unique_ptr<v8::BackingStore> Environment::release_managed_buffer(
995
    const uv_buf_t& buf) {
996
82448
  std::unique_ptr<v8::BackingStore> bs;
997
82448
  if (buf.base != nullptr) {
998
67506
    auto it = released_allocated_buffers_.find(buf.base);
999
67506
    CHECK_NE(it, released_allocated_buffers_.end());
1000
67506
    bs = std::move(it->second);
1001
67506
    released_allocated_buffers_.erase(it);
1002
  }
1003
82448
  return bs;
1004
}
1005
1006
8
inline void Environment::ThrowError(const char* errmsg) {
1007
8
  ThrowError(v8::Exception::Error, errmsg);
1008
8
}
1009
1010
inline void Environment::ThrowTypeError(const char* errmsg) {
1011
  ThrowError(v8::Exception::TypeError, errmsg);
1012
}
1013
1014
inline void Environment::ThrowRangeError(const char* errmsg) {
1015
  ThrowError(v8::Exception::RangeError, errmsg);
1016
}
1017
1018
8
inline void Environment::ThrowError(
1019
    v8::Local<v8::Value> (*fun)(v8::Local<v8::String>),
1020
    const char* errmsg) {
1021
16
  v8::HandleScope handle_scope(isolate());
1022
8
  isolate()->ThrowException(fun(OneByteString(isolate(), errmsg)));
1023
8
}
1024
1025
7
inline void Environment::ThrowErrnoException(int errorno,
1026
                                             const char* syscall,
1027
                                             const char* message,
1028
                                             const char* path) {
1029
  isolate()->ThrowException(
1030
7
      ErrnoException(isolate(), errorno, syscall, message, path));
1031
7
}
1032
1033
15
inline void Environment::ThrowUVException(int errorno,
1034
                                          const char* syscall,
1035
                                          const char* message,
1036
                                          const char* path,
1037
                                          const char* dest) {
1038
  isolate()->ThrowException(
1039
15
      UVException(isolate(), errorno, syscall, message, path, dest));
1040
15
}
1041
1042
1461400
inline v8::Local<v8::FunctionTemplate> Environment::NewFunctionTemplate(
1043
    v8::FunctionCallback callback,
1044
    v8::Local<v8::Signature> signature,
1045
    v8::ConstructorBehavior behavior,
1046
    v8::SideEffectType side_effect_type,
1047
    const v8::CFunction* c_function) {
1048
  return v8::FunctionTemplate::New(isolate(),
1049
                                   callback,
1050
                                   v8::Local<v8::Value>(),
1051
                                   signature,
1052
                                   0,
1053
                                   behavior,
1054
                                   side_effect_type,
1055
1461400
                                   c_function);
1056
}
1057
1058
371343
inline void Environment::SetMethod(v8::Local<v8::Object> that,
1059
                                   const char* name,
1060
                                   v8::FunctionCallback callback) {
1061
371343
  v8::Local<v8::Context> context = isolate()->GetCurrentContext();
1062
  v8::Local<v8::Function> function =
1063
371343
      NewFunctionTemplate(callback, v8::Local<v8::Signature>(),
1064
                          v8::ConstructorBehavior::kThrow,
1065
371343
                          v8::SideEffectType::kHasSideEffect)
1066
371343
          ->GetFunction(context)
1067
371343
          .ToLocalChecked();
1068
  // kInternalized strings are created in the old space.
1069
371343
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1070
  v8::Local<v8::String> name_string =
1071
742686
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1072
742686
  that->Set(context, name_string, function).Check();
1073
371343
  function->SetName(name_string);  // NODE_SET_METHOD() compatibility.
1074
371343
}
1075
1076
2586
inline void Environment::SetFastMethod(v8::Local<v8::Object> that,
1077
                                       const char* name,
1078
                                       v8::FunctionCallback slow_callback,
1079
                                       const v8::CFunction* c_function) {
1080
2586
  v8::Local<v8::Context> context = isolate()->GetCurrentContext();
1081
  v8::Local<v8::Function> function =
1082
2586
      NewFunctionTemplate(slow_callback,
1083
                          v8::Local<v8::Signature>(),
1084
                          v8::ConstructorBehavior::kThrow,
1085
                          v8::SideEffectType::kHasNoSideEffect,
1086
2586
                          c_function)
1087
2586
          ->GetFunction(context)
1088
2586
          .ToLocalChecked();
1089
2586
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1090
  v8::Local<v8::String> name_string =
1091
5172
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1092
2586
  that->Set(context, name_string, function).Check();
1093
2586
}
1094
1095
112655
inline void Environment::SetMethodNoSideEffect(v8::Local<v8::Object> that,
1096
                                               const char* name,
1097
                                               v8::FunctionCallback callback) {
1098
112655
  v8::Local<v8::Context> context = isolate()->GetCurrentContext();
1099
  v8::Local<v8::Function> function =
1100
112655
      NewFunctionTemplate(callback, v8::Local<v8::Signature>(),
1101
                          v8::ConstructorBehavior::kThrow,
1102
112655
                          v8::SideEffectType::kHasNoSideEffect)
1103
112655
          ->GetFunction(context)
1104
112655
          .ToLocalChecked();
1105
  // kInternalized strings are created in the old space.
1106
112655
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1107
  v8::Local<v8::String> name_string =
1108
225310
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1109
225310
  that->Set(context, name_string, function).Check();
1110
112655
  function->SetName(name_string);  // NODE_SET_METHOD() compatibility.
1111
112655
}
1112
1113
670328
inline void Environment::SetProtoMethod(v8::Local<v8::FunctionTemplate> that,
1114
                                        const char* name,
1115
                                        v8::FunctionCallback callback) {
1116
670328
  v8::Local<v8::Signature> signature = v8::Signature::New(isolate(), that);
1117
  v8::Local<v8::FunctionTemplate> t =
1118
      NewFunctionTemplate(callback, signature, v8::ConstructorBehavior::kThrow,
1119
670328
                          v8::SideEffectType::kHasSideEffect);
1120
  // kInternalized strings are created in the old space.
1121
670328
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1122
  v8::Local<v8::String> name_string =
1123
1340656
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1124
1340656
  that->PrototypeTemplate()->Set(name_string, t);
1125
670328
  t->SetClassName(name_string);  // NODE_SET_PROTOTYPE_METHOD() compatibility.
1126
670328
}
1127
1128
97786
inline void Environment::SetProtoMethodNoSideEffect(
1129
    v8::Local<v8::FunctionTemplate> that,
1130
    const char* name,
1131
    v8::FunctionCallback callback) {
1132
97786
  v8::Local<v8::Signature> signature = v8::Signature::New(isolate(), that);
1133
  v8::Local<v8::FunctionTemplate> t =
1134
      NewFunctionTemplate(callback, signature, v8::ConstructorBehavior::kThrow,
1135
97786
                          v8::SideEffectType::kHasNoSideEffect);
1136
  // kInternalized strings are created in the old space.
1137
97786
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1138
  v8::Local<v8::String> name_string =
1139
195572
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1140
195572
  that->PrototypeTemplate()->Set(name_string, t);
1141
97786
  t->SetClassName(name_string);  // NODE_SET_PROTOTYPE_METHOD() compatibility.
1142
97786
}
1143
1144
33
inline void Environment::SetInstanceMethod(v8::Local<v8::FunctionTemplate> that,
1145
                                           const char* name,
1146
                                           v8::FunctionCallback callback) {
1147
33
  v8::Local<v8::Signature> signature = v8::Signature::New(isolate(), that);
1148
  v8::Local<v8::FunctionTemplate> t =
1149
      NewFunctionTemplate(callback, signature, v8::ConstructorBehavior::kThrow,
1150
33
                          v8::SideEffectType::kHasSideEffect);
1151
  // kInternalized strings are created in the old space.
1152
33
  const v8::NewStringType type = v8::NewStringType::kInternalized;
1153
  v8::Local<v8::String> name_string =
1154
66
      v8::String::NewFromUtf8(isolate(), name, type).ToLocalChecked();
1155
66
  that->InstanceTemplate()->Set(name_string, t);
1156
33
  t->SetClassName(name_string);
1157
33
}
1158
1159
133514
inline void Environment::SetConstructorFunction(
1160
    v8::Local<v8::Object> that,
1161
    const char* name,
1162
    v8::Local<v8::FunctionTemplate> tmpl,
1163
    SetConstructorFunctionFlag flag) {
1164
133514
  SetConstructorFunction(that, OneByteString(isolate(), name), tmpl, flag);
1165
133514
}
1166
1167
139979
inline void Environment::SetConstructorFunction(
1168
    v8::Local<v8::Object> that,
1169
    v8::Local<v8::String> name,
1170
    v8::Local<v8::FunctionTemplate> tmpl,
1171
    SetConstructorFunctionFlag flag) {
1172
139979
  if (LIKELY(flag == SetConstructorFunctionFlag::SET_CLASS_NAME))
1173
125692
    tmpl->SetClassName(name);
1174
139979
  that->Set(
1175
      context(),
1176
      name,
1177
279958
      tmpl->GetFunction(context()).ToLocalChecked()).Check();
1178
139979
}
1179
1180
1464104
void Environment::AddCleanupHook(CleanupCallback fn, void* arg) {
1181
2928208
  auto insertion_info = cleanup_hooks_.emplace(CleanupHookCallback {
1182
1464104
    fn, arg, cleanup_hook_counter_++
1183
1464104
  });
1184
  // Make sure there was no existing element with these values.
1185
1464104
  CHECK_EQ(insertion_info.second, true);
1186
1464104
}
1187
1188
1446940
void Environment::RemoveCleanupHook(CleanupCallback fn, void* arg) {
1189
1446940
  CleanupHookCallback search { fn, arg, 0 };
1190
1446940
  cleanup_hooks_.erase(search);
1191
1446940
}
1192
1193
3225401
size_t CleanupHookCallback::Hash::operator()(
1194
    const CleanupHookCallback& cb) const {
1195
3225401
  return std::hash<void*>()(cb.arg_);
1196
}
1197
1198
1609361
bool CleanupHookCallback::Equal::operator()(
1199
    const CleanupHookCallback& a, const CleanupHookCallback& b) const {
1200

1609361
  return a.fn_ == b.fn_ && a.arg_ == b.arg_;
1201
}
1202
1203
545
BaseObject* CleanupHookCallback::GetBaseObject() const {
1204
545
  if (fn_ == BaseObject::DeleteMe)
1205
517
    return static_cast<BaseObject*>(arg_);
1206
  else
1207
28
    return nullptr;
1208
}
1209
1210
template <typename T>
1211
48
void Environment::ForEachBaseObject(T&& iterator) {
1212
1138
  for (const auto& hook : cleanup_hooks_) {
1213
1090
    BaseObject* obj = hook.GetBaseObject();
1214
1090
    if (obj != nullptr)
1215
1034
      iterator(obj);
1216
  }
1217
}
1218
1219
template <typename T>
1220
6
void Environment::ForEachBindingData(T&& iterator) {
1221
  BindingDataStore* map = static_cast<BindingDataStore*>(
1222
12
      context()->GetAlignedPointerFromEmbedderData(
1223
          ContextEmbedderIndex::kBindingListIndex));
1224
  DCHECK_NOT_NULL(map);
1225
30
  for (auto& it : *map) {
1226
24
    iterator(it.first, it.second);
1227
  }
1228
6
}
1229
1230
2851123
void Environment::modify_base_object_count(int64_t delta) {
1231
2851123
  base_object_count_ += delta;
1232
2851123
}
1233
1234
14
int64_t Environment::base_object_created_after_bootstrap() const {
1235
14
  return base_object_count_ - base_object_created_by_bootstrap_;
1236
}
1237
1238
2
int64_t Environment::base_object_count() const {
1239
2
  return base_object_count_;
1240
}
1241
1242
17
void Environment::set_main_utf16(std::unique_ptr<v8::String::Value> str) {
1243
17
  CHECK(!main_utf16_);
1244
17
  main_utf16_ = std::move(str);
1245
17
}
1246
1247
1239
void Environment::set_process_exit_handler(
1248
    std::function<void(Environment*, int)>&& handler) {
1249
1239
  process_exit_handler_ = std::move(handler);
1250
1239
}
1251
1252
#define VP(PropertyName, StringValue) V(v8::Private, PropertyName)
1253
#define VY(PropertyName, StringValue) V(v8::Symbol, PropertyName)
1254
#define VS(PropertyName, StringValue) V(v8::String, PropertyName)
1255
#define V(TypeName, PropertyName)                                             \
1256
  inline                                                                      \
1257
  v8::Local<TypeName> IsolateData::PropertyName() const {                     \
1258
    return PropertyName ## _ .Get(isolate_);                                  \
1259
  }
1260
44086
  PER_ISOLATE_PRIVATE_SYMBOL_PROPERTIES(VP)
1261
992176
  PER_ISOLATE_SYMBOL_PROPERTIES(VY)
1262
8339580
  PER_ISOLATE_STRING_PROPERTIES(VS)
1263
#undef V
1264
#undef VS
1265
#undef VY
1266
#undef VP
1267
1268
#define VP(PropertyName, StringValue) V(v8::Private, PropertyName)
1269
#define VY(PropertyName, StringValue) V(v8::Symbol, PropertyName)
1270
#define VS(PropertyName, StringValue) V(v8::String, PropertyName)
1271
#define V(TypeName, PropertyName)                                             \
1272
  inline v8::Local<TypeName> Environment::PropertyName() const {              \
1273
    return isolate_data()->PropertyName();                                    \
1274
  }
1275
44086
  PER_ISOLATE_PRIVATE_SYMBOL_PROPERTIES(VP)
1276
867858
  PER_ISOLATE_SYMBOL_PROPERTIES(VY)
1277
12002782
  PER_ISOLATE_STRING_PROPERTIES(VS)
1278
#undef V
1279
#undef VS
1280
#undef VY
1281
#undef VP
1282
1283
#define V(PropertyName, TypeName)                                             \
1284
  inline v8::Local<TypeName> Environment::PropertyName() const {              \
1285
    return PersistentToLocal::Strong(PropertyName ## _);                      \
1286
  }                                                                           \
1287
  inline void Environment::set_ ## PropertyName(v8::Local<TypeName> value) {  \
1288
    PropertyName ## _.Reset(isolate(), value);                                \
1289
  }
1290
1362922
  ENVIRONMENT_STRONG_PERSISTENT_TEMPLATES(V)
1291
6245759
  ENVIRONMENT_STRONG_PERSISTENT_VALUES(V)
1292
#undef V
1293
1294
9409734
v8::Local<v8::Context> Environment::context() const {
1295
9409734
  return PersistentToLocal::Strong(context_);
1296
}
1297
1298
}  // namespace node
1299
1300
// These two files depend on each other. Including base_object-inl.h after this
1301
// file is the easiest way to avoid issues with that circular dependency.
1302
#include "base_object-inl.h"
1303
1304
#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
1305
1306
#endif  // SRC_ENV_INL_H_