GCC Code Coverage Report
Directory: ../ Exec Total Coverage
File: /home/iojs/build/workspace/node-test-commit-linux-coverage-daily/nodes/benchmark/out/../src/node_util.cc Lines: 210 214 98.1 %
Date: 2020-12-12 04:11:07 Branches: 55 83 66.3 %

Line Branch Exec Source
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#include "base_object-inl.h"
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#include "node_errors.h"
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#include "node_external_reference.h"
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#include "util-inl.h"
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namespace node {
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namespace util {
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9
using v8::ALL_PROPERTIES;
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using v8::Array;
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using v8::ArrayBufferView;
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using v8::BigInt;
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using v8::Boolean;
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using v8::Context;
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using v8::External;
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using v8::FunctionCallbackInfo;
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using v8::FunctionTemplate;
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using v8::Global;
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using v8::IndexFilter;
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using v8::Integer;
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using v8::Isolate;
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using v8::KeyCollectionMode;
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using v8::Local;
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using v8::Object;
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using v8::ONLY_CONFIGURABLE;
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using v8::ONLY_ENUMERABLE;
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using v8::ONLY_WRITABLE;
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using v8::Private;
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using v8::Promise;
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using v8::PropertyFilter;
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using v8::Proxy;
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using v8::SKIP_STRINGS;
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using v8::SKIP_SYMBOLS;
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using v8::String;
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using v8::Uint32;
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using v8::Value;
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141175
static void GetOwnNonIndexProperties(
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    const FunctionCallbackInfo<Value>& args) {
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141175
  Environment* env = Environment::GetCurrent(args);
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141175
  Local<Context> context = env->context();
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282350
  CHECK(args[0]->IsObject());
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282350
  CHECK(args[1]->IsUint32());
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282350
  Local<Object> object = args[0].As<Object>();
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  Local<Array> properties;
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  PropertyFilter filter =
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423525
    static_cast<PropertyFilter>(args[1].As<Uint32>()->Value());
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282350
  if (!object->GetPropertyNames(
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        context, KeyCollectionMode::kOwnOnly,
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        filter,
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141175
        IndexFilter::kSkipIndices)
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141175
          .ToLocal(&properties)) {
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2
    return;
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  }
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282346
  args.GetReturnValue().Set(properties);
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}
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1611
static void GetConstructorName(
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    const FunctionCallbackInfo<Value>& args) {
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3222
  CHECK(args[0]->IsObject());
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67
3222
  Local<Object> object = args[0].As<Object>();
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1611
  Local<String> name = object->GetConstructorName();
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3222
  args.GetReturnValue().Set(name);
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1611
}
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42
static void GetExternalValue(
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    const FunctionCallbackInfo<Value>& args) {
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84
  CHECK(args[0]->IsExternal());
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42
  Isolate* isolate = args.GetIsolate();
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84
  Local<External> external = args[0].As<External>();
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42
  void* ptr = external->Value();
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42
  uint64_t value = reinterpret_cast<uint64_t>(ptr);
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42
  Local<BigInt> ret = BigInt::NewFromUnsigned(isolate, value);
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  args.GetReturnValue().Set(ret);
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42
}
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85
65
static void GetPromiseDetails(const FunctionCallbackInfo<Value>& args) {
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  // Return undefined if it's not a Promise.
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130
  if (!args[0]->IsPromise())
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    return;
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65
  auto isolate = args.GetIsolate();
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92
130
  Local<Promise> promise = args[0].As<Promise>();
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94
65
  int state = promise->State();
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195
  Local<Value> values[2] = { Integer::New(isolate, state) };
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65
  size_t number_of_values = 1;
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  if (state != Promise::PromiseState::kPending)
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    values[number_of_values++] = promise->Result();
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65
  Local<Array> ret = Array::New(isolate, values, number_of_values);
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130
  args.GetReturnValue().Set(ret);
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}
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267287
static void GetProxyDetails(const FunctionCallbackInfo<Value>& args) {
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  // Return undefined if it's not a proxy.
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534574
  if (!args[0]->IsProxy())
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267184
    return;
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  Local<Proxy> proxy = args[0].As<Proxy>();
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  // TODO(BridgeAR): Remove the length check as soon as we prohibit access to
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  // the util binding layer. It's accessed in the wild and `esm` would break in
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  // case the check is removed.
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  if (args.Length() == 1 || args[1]->IsTrue()) {
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    Local<Value> ret[] = {
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43
      proxy->GetTarget(),
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      proxy->GetHandler()
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    };
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    args.GetReturnValue().Set(
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        Array::New(args.GetIsolate(), ret, arraysize(ret)));
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  } else {
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60
    Local<Value> ret = proxy->GetTarget();
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    args.GetReturnValue().Set(ret);
125
  }
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}
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static void PreviewEntries(const FunctionCallbackInfo<Value>& args) {
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240
  if (!args[0]->IsObject())
130
    return;
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  Environment* env = Environment::GetCurrent(args);
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  bool is_key_value;
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  Local<Array> entries;
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480
  if (!args[0].As<Object>()->PreviewEntries(&is_key_value).ToLocal(&entries))
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    return;
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  // Fast path for WeakMap and WeakSet.
138
120
  if (args.Length() == 1)
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16
    return args.GetReturnValue().Set(entries);
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  Local<Value> ret[] = {
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    entries,
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    Boolean::New(env->isolate(), is_key_value)
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336
  };
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  return args.GetReturnValue().Set(
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      Array::New(env->isolate(), ret, arraysize(ret)));
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}
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3737
inline Local<Private> IndexToPrivateSymbol(Environment* env, uint32_t index) {
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#define V(name, _) &Environment::name,
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  static Local<Private> (Environment::*const methods[])() const = {
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    PER_ISOLATE_PRIVATE_SYMBOL_PROPERTIES(V)
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  };
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#undef V
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3737
  CHECK_LT(index, arraysize(methods));
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3737
  return (env->*methods[index])();
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}
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static void GetHiddenValue(const FunctionCallbackInfo<Value>& args) {
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151
  Environment* env = Environment::GetCurrent(args);
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302
  CHECK(args[0]->IsObject());
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  CHECK(args[1]->IsUint32());
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302
  Local<Object> obj = args[0].As<Object>();
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453
  uint32_t index = args[1].As<Uint32>()->Value();
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151
  Local<Private> private_symbol = IndexToPrivateSymbol(env, index);
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  Local<Value> ret;
169
453
  if (obj->GetPrivate(env->context(), private_symbol).ToLocal(&ret))
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302
    args.GetReturnValue().Set(ret);
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151
}
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3586
static void SetHiddenValue(const FunctionCallbackInfo<Value>& args) {
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3586
  Environment* env = Environment::GetCurrent(args);
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7172
  CHECK(args[0]->IsObject());
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7172
  CHECK(args[1]->IsUint32());
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179
7172
  Local<Object> obj = args[0].As<Object>();
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10758
  uint32_t index = args[1].As<Uint32>()->Value();
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3586
  Local<Private> private_symbol = IndexToPrivateSymbol(env, index);
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  bool ret;
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10758
  if (obj->SetPrivate(env->context(), private_symbol, args[2]).To(&ret))
184
10758
    args.GetReturnValue().Set(ret);
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3586
}
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187
9
static void Sleep(const FunctionCallbackInfo<Value>& args) {
188
18
  CHECK(args[0]->IsUint32());
189
27
  uint32_t msec = args[0].As<Uint32>()->Value();
190
9
  uv_sleep(msec);
191
9
}
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56
void ArrayBufferViewHasBuffer(const FunctionCallbackInfo<Value>& args) {
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112
  CHECK(args[0]->IsArrayBufferView());
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280
  args.GetReturnValue().Set(args[0].As<ArrayBufferView>()->HasBuffer());
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56
}
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5031
class WeakReference : public BaseObject {
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 public:
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1758
  WeakReference(Environment* env, Local<Object> object, Local<Object> target)
201
3516
    : BaseObject(env, object) {
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1758
    MakeWeak();
203
1758
    target_.Reset(env->isolate(), target);
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1758
    target_.SetWeak();
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1758
  }
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1758
  static void New(const FunctionCallbackInfo<Value>& args) {
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1758
    Environment* env = Environment::GetCurrent(args);
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1758
    CHECK(args.IsConstructCall());
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3516
    CHECK(args[0]->IsObject());
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5274
    new WeakReference(env, args.This(), args[0].As<Object>());
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1758
  }
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1585
  static void Get(const FunctionCallbackInfo<Value>& args) {
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1585
    WeakReference* weak_ref = Unwrap<WeakReference>(args.Holder());
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1585
    Isolate* isolate = args.GetIsolate();
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3170
    if (!weak_ref->target_.IsEmpty())
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4752
      args.GetReturnValue().Set(weak_ref->target_.Get(isolate));
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1585
  }
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792
  static void IncRef(const FunctionCallbackInfo<Value>& args) {
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792
    WeakReference* weak_ref = Unwrap<WeakReference>(args.Holder());
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792
    weak_ref->reference_count_++;
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1584
    if (weak_ref->target_.IsEmpty()) return;
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792
    if (weak_ref->reference_count_ == 1) weak_ref->target_.ClearWeak();
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  }
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789
  static void DecRef(const FunctionCallbackInfo<Value>& args) {
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789
    WeakReference* weak_ref = Unwrap<WeakReference>(args.Holder());
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789
    CHECK_GE(weak_ref->reference_count_, 1);
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789
    weak_ref->reference_count_--;
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1578
    if (weak_ref->target_.IsEmpty()) return;
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789
    if (weak_ref->reference_count_ == 0) weak_ref->target_.SetWeak();
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  }
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4
  SET_MEMORY_INFO_NAME(WeakReference)
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4
  SET_SELF_SIZE(WeakReference)
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4
  SET_NO_MEMORY_INFO()
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240
 private:
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  Global<Object> target_;
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  uint64_t reference_count_ = 0;
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};
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4421
static void GuessHandleType(const FunctionCallbackInfo<Value>& args) {
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4421
  Environment* env = Environment::GetCurrent(args);
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  int fd;
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17684
  if (!args[0]->Int32Value(env->context()).To(&fd)) return;
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4421
  CHECK_GE(fd, 0);
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251
4421
  uv_handle_type t = uv_guess_handle(fd);
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4421
  const char* type = nullptr;
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254

4421
  switch (t) {
255
    case UV_TCP:
256
4
      type = "TCP";
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4
      break;
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    case UV_TTY:
259
35
      type = "TTY";
260
35
      break;
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    case UV_UDP:
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6
      type = "UDP";
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      break;
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    case UV_FILE:
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2333
      type = "FILE";
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2333
      break;
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    case UV_NAMED_PIPE:
268
2038
      type = "PIPE";
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2038
      break;
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    case UV_UNKNOWN_HANDLE:
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5
      type = "UNKNOWN";
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5
      break;
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    default:
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      ABORT();
275
  }
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13263
  args.GetReturnValue().Set(OneByteString(env->isolate(), type));
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}
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4614
void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
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4614
  registry->Register(GetHiddenValue);
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4614
  registry->Register(SetHiddenValue);
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4614
  registry->Register(GetPromiseDetails);
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4614
  registry->Register(GetProxyDetails);
285
4614
  registry->Register(PreviewEntries);
286
4614
  registry->Register(GetOwnNonIndexProperties);
287
4614
  registry->Register(GetConstructorName);
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4614
  registry->Register(GetExternalValue);
289
4614
  registry->Register(Sleep);
290
4614
  registry->Register(ArrayBufferViewHasBuffer);
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4614
  registry->Register(WeakReference::New);
292
4614
  registry->Register(WeakReference::Get);
293
4614
  registry->Register(WeakReference::IncRef);
294
4614
  registry->Register(WeakReference::DecRef);
295
4614
  registry->Register(GuessHandleType);
296
4614
}
297
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444
void Initialize(Local<Object> target,
299
                Local<Value> unused,
300
                Local<Context> context,
301
                void* priv) {
302
444
  Environment* env = Environment::GetCurrent(context);
303
304
#define V(name, _)                                                            \
305
  target->Set(context,                                                        \
306
              FIXED_ONE_BYTE_STRING(env->isolate(), #name),                   \
307
              Integer::NewFromUnsigned(env->isolate(), index++)).Check();
308
  {
309
444
    uint32_t index = 0;
310
5328
    PER_ISOLATE_PRIVATE_SYMBOL_PROPERTIES(V)
311
  }
312
#undef V
313
314
2664
#define V(name)                                                               \
315
1776
  target->Set(context,                                                        \
316
1776
              FIXED_ONE_BYTE_STRING(env->isolate(), #name),                   \
317
888
              Integer::New(env->isolate(), Promise::PromiseState::name))      \
318
2664
    .FromJust()
319
3108
  V(kPending);
320
1776
  V(kFulfilled);
321
1776
  V(kRejected);
322
#undef V
323
324
444
  env->SetMethodNoSideEffect(target, "getHiddenValue", GetHiddenValue);
325
444
  env->SetMethod(target, "setHiddenValue", SetHiddenValue);
326
444
  env->SetMethodNoSideEffect(target, "getPromiseDetails", GetPromiseDetails);
327
444
  env->SetMethodNoSideEffect(target, "getProxyDetails", GetProxyDetails);
328
444
  env->SetMethodNoSideEffect(target, "previewEntries", PreviewEntries);
329
  env->SetMethodNoSideEffect(target, "getOwnNonIndexProperties",
330
444
                                     GetOwnNonIndexProperties);
331
444
  env->SetMethodNoSideEffect(target, "getConstructorName", GetConstructorName);
332
444
  env->SetMethodNoSideEffect(target, "getExternalValue", GetExternalValue);
333
444
  env->SetMethod(target, "sleep", Sleep);
334
335
444
  env->SetMethod(target, "arrayBufferViewHasBuffer", ArrayBufferViewHasBuffer);
336
444
  Local<Object> constants = Object::New(env->isolate());
337
888
  NODE_DEFINE_CONSTANT(constants, ALL_PROPERTIES);
338
444
  NODE_DEFINE_CONSTANT(constants, ONLY_WRITABLE);
339
2220
  NODE_DEFINE_CONSTANT(constants, ONLY_ENUMERABLE);
340
3552
  NODE_DEFINE_CONSTANT(constants, ONLY_CONFIGURABLE);
341
4440
  NODE_DEFINE_CONSTANT(constants, SKIP_STRINGS);
342
4440
  NODE_DEFINE_CONSTANT(constants, SKIP_SYMBOLS);
343
4440
  target->Set(context,
344
2664
              FIXED_ONE_BYTE_STRING(env->isolate(), "propertyFilter"),
345
3552
              constants).Check();
346
888
347
  Local<String> should_abort_on_uncaught_toggle =
348
444
      FIXED_ONE_BYTE_STRING(env->isolate(), "shouldAbortOnUncaughtToggle");
349
1776
  CHECK(target
350
            ->Set(env->context(),
351
                  should_abort_on_uncaught_toggle,
352
                  env->should_abort_on_uncaught_toggle().GetJSArray())
353
            .FromJust());
354
355
  Local<String> weak_ref_string =
356
444
      FIXED_ONE_BYTE_STRING(env->isolate(), "WeakReference");
357
  Local<FunctionTemplate> weak_ref =
358
444
      env->NewFunctionTemplate(WeakReference::New);
359
1332
  weak_ref->InstanceTemplate()->SetInternalFieldCount(
360
444
      WeakReference::kInternalFieldCount);
361
444
  weak_ref->SetClassName(weak_ref_string);
362
888
  weak_ref->Inherit(BaseObject::GetConstructorTemplate(env));
363
444
  env->SetProtoMethod(weak_ref, "get", WeakReference::Get);
364
444
  env->SetProtoMethod(weak_ref, "incRef", WeakReference::IncRef);
365
444
  env->SetProtoMethod(weak_ref, "decRef", WeakReference::DecRef);
366
888
  target->Set(context, weak_ref_string,
367
1332
              weak_ref->GetFunction(context).ToLocalChecked()).Check();
368
369
444
  env->SetMethod(target, "guessHandleType", GuessHandleType);
370
444
}
371
372
}  // namespace util
373
}  // namespace node
374
375
4683
NODE_MODULE_CONTEXT_AWARE_INTERNAL(util, node::util::Initialize)
376

18687
NODE_MODULE_EXTERNAL_REFERENCE(util, node::util::RegisterExternalReferences)