text: /*
   * Copyright (c) 2020, Jack Karamanian <karamanian.jack@gmail.com>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice, this
   *    list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <LibJS/Runtime/BoundFunction.h>
  #include <LibJS/Runtime/GlobalObject.h>
  
  namespace JS {
  
  BoundFunction::BoundFunction(GlobalObject& global_object, Function& target_function, Value bound_this, Vector<Value> arguments, i32 length, Object* constructor_prototype)
      : Function::Function(*global_object.function_prototype(), bound_this, move(arguments))
      , m_target_function(&target_function)
      , m_constructor_prototype(constructor_prototype)
      , m_name(String::format("bound %s", target_function.name().characters()))
      , m_length(length)
  {
  }
  
  void BoundFunction::initialize(GlobalObject& global_object)
  {
      Function::initialize(global_object);
      define_property("length", Value(m_length), Attribute::Configurable);
  }
  
  BoundFunction::~BoundFunction()
  {
  }
  
  Value BoundFunction::call()
  {
      return m_target_function->call();
  }
  
  Value BoundFunction::construct(Function& new_target)
  {
      if (auto this_value = vm().this_value(global_object()); m_constructor_prototype && this_value.is_object()) {
          this_value.as_object().set_prototype(m_constructor_prototype);
          if (vm().exception())
              return {};
      }
      return m_target_function->construct(new_target);
  }
  
  LexicalEnvironment* BoundFunction::create_environment()
  {
      return m_target_function->create_environment();
  }
  
  void BoundFunction::visit_children(Visitor& visitor)
  {
      Function::visit_children(visitor);
      visitor.visit(m_target_function);
      visitor.visit(m_constructor_prototype);
  }
  
  }
  