Handle createArrayConstructor()

in lib/VM/JSLib/Array.cpp [29:314]

• 273 lines of code
• 1 McCabe index (conditional complexity)

Handle<JSObject> createArrayConstructor(Runtime &runtime) {
  auto arrayPrototype = Handle<JSArray>::vmcast(&runtime.arrayPrototype);

  // Array.prototype.xxx methods.
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::toString),
      nullptr,
      arrayPrototypeToString,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::toLocaleString),
      nullptr,
      arrayPrototypeToLocaleString,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::concat),
      nullptr,
      arrayPrototypeConcat,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::join),
      nullptr,
      arrayPrototypeJoin,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::push),
      nullptr,
      arrayPrototypePush,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::sort),
      nullptr,
      arrayPrototypeSort,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::forEach),
      nullptr,
      arrayPrototypeForEach,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::flat),
      nullptr,
      arrayPrototypeFlat,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::flatMap),
      nullptr,
      arrayPrototypeFlatMap,
      1);

  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::keys),
      (void *)IterationKind::Key,
      arrayPrototypeIterator,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::values),
      (void *)IterationKind::Value,
      arrayPrototypeIterator,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::entries),
      (void *)IterationKind::Entry,
      arrayPrototypeIterator,
      0);

  auto propValue = runtime.ignoreAllocationFailure(JSObject::getNamed_RJS(
      arrayPrototype, runtime, Predefined::getSymbolID(Predefined::values)));
  runtime.arrayPrototypeValues = std::move(propValue);

  DefinePropertyFlags dpf = DefinePropertyFlags::getNewNonEnumerableFlags();

  runtime.ignoreAllocationFailure(JSObject::defineOwnProperty(
      arrayPrototype,
      runtime,
      Predefined::getSymbolID(Predefined::SymbolIterator),
      dpf,
      Handle<>(&runtime.arrayPrototypeValues)));

  auto cons = defineSystemConstructor<JSArray>(
      runtime,
      Predefined::getSymbolID(Predefined::Array),
      arrayConstructor,
      arrayPrototype,
      1,
      CellKind::JSArrayKind);

  defineMethod(
      runtime,
      cons,
      Predefined::getSymbolID(Predefined::isArray),
      nullptr,
      arrayIsArray,
      1);

  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::slice),
      nullptr,
      arrayPrototypeSlice,
      2);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::splice),
      nullptr,
      arrayPrototypeSplice,
      2);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::copyWithin),
      nullptr,
      arrayPrototypeCopyWithin,
      2);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::pop),
      nullptr,
      arrayPrototypePop,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::shift),
      nullptr,
      arrayPrototypeShift,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::unshift),
      nullptr,
      arrayPrototypeUnshift,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::indexOf),
      nullptr,
      arrayPrototypeIndexOf,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::lastIndexOf),
      nullptr,
      arrayPrototypeLastIndexOf,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::every),
      nullptr,
      arrayPrototypeEvery,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::some),
      nullptr,
      arrayPrototypeSome,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::map),
      nullptr,
      arrayPrototypeMap,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::filter),
      nullptr,
      arrayPrototypeFilter,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::fill),
      nullptr,
      arrayPrototypeFill,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::find),
      nullptr,
      arrayPrototypeFind,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::findIndex),
      // Pass a non-null pointer here to indicate we're finding the index.
      (void *)true,
      arrayPrototypeFind,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::findLast),
      nullptr,
      arrayPrototypeFindLast,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::findLastIndex),
      // Pass a non-null pointer here to indicate we're finding the index.
      (void *)true,
      arrayPrototypeFindLast,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::reduce),
      nullptr,
      arrayPrototypeReduce,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::reduceRight),
      nullptr,
      arrayPrototypeReduceRight,
      1);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::reverse),
      nullptr,
      arrayPrototypeReverse,
      0);
  defineMethod(
      runtime,
      arrayPrototype,
      Predefined::getSymbolID(Predefined::includes),
      nullptr,
      arrayPrototypeIncludes,
      1);

  defineMethod(
      runtime,
      cons,
      Predefined::getSymbolID(Predefined::of),
      nullptr,
      arrayOf,
      0);
  defineMethod(
      runtime,
      cons,
      Predefined::getSymbolID(Predefined::from),
      nullptr,
      arrayFrom,
      1);

  return cons;
}