ecma-builtin-arraybuffer.c

/* Copyright JS Foundation and other contributors, http://js.foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "ecma-arraybuffer-object.h"
#include "ecma-builtins.h"
#include "ecma-dataview-object.h"
#include "ecma-exceptions.h"
#include "ecma-gc.h"
#include "ecma-globals.h"
#include "ecma-helpers.h"
#include "ecma-typedarray-object.h"

#include "jrt.h"

#if JERRY_BUILTIN_TYPEDARRAY

#define ECMA_BUILTINS_INTERNAL
#include "ecma-builtins-internal.h"

/**
 * List of built-in routine identifiers.
 */
enum
{
  ECMA_ARRAYBUFFER_ROUTINE_START = 0,
  ECMA_ARRAYBUFFER_OBJECT_IS_VIEW,
  ECMA_ARRAYBUFFER_SPECIES_GET,
};

#define BUILTIN_INC_HEADER_NAME "ecma-builtin-arraybuffer.inc.h"
#define BUILTIN_UNDERSCORED_ID  arraybuffer
#include "ecma-builtin-internal-routines-template.inc.h"

/** \addtogroup ecma ECMA
 * @{
 *
 * \addtogroup ecmabuiltins
 * @{
 *
 * \addtogroup arraybuffer ECMA ArrayBuffer object built-in
 * @{
 */

/**
 * The ArrayBuffer object's 'isView' routine
 *
 * See also:
 *         ES2015 24.1.3.1
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
static ecma_value_t
ecma_builtin_arraybuffer_object_is_view (ecma_value_t this_arg, /**< 'this' argument */
                                         ecma_value_t arg) /**< argument 1 */
{
  JERRY_UNUSED (this_arg);

  return ecma_make_boolean_value (ecma_is_typedarray (arg) || ecma_is_dataview (arg));
} /* ecma_builtin_arraybuffer_object_is_view */

/**
 * Handle calling [[Call]] of built-in ArrayBuffer object
 *
 * ES2015 24.1.2 ArrayBuffer is not intended to be called as
 * a function and will throw an exception when called in
 * that manner.
 *
 * @return ecma value
 */
ecma_value_t
ecma_builtin_arraybuffer_dispatch_call (const ecma_value_t *arguments_list_p, /**< arguments list */
                                        uint32_t arguments_list_len) /**< number of arguments */
{
  JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);

  return ecma_raise_type_error (ECMA_ERR_MSG ("Constructor ArrayBuffer requires 'new'"));
} /* ecma_builtin_arraybuffer_dispatch_call */

/**
 * Handle calling [[Construct]] of built-in ArrayBuffer object
 *
 * @return ecma value
 */
ecma_value_t
ecma_builtin_arraybuffer_dispatch_construct (const ecma_value_t *arguments_list_p, /**< arguments list */
                                             uint32_t arguments_list_len) /**< number of arguments */
{
  JERRY_ASSERT (arguments_list_len == 0 || arguments_list_p != NULL);

  return ecma_op_create_arraybuffer_object (arguments_list_p, arguments_list_len);
} /* ecma_builtin_arraybuffer_dispatch_construct */

/**
 * Dispatcher of the built-in's routines
 *
 * @return ecma value
 *         Returned value must be freed with ecma_free_value.
 */
ecma_value_t
ecma_builtin_arraybuffer_dispatch_routine (uint8_t builtin_routine_id, /**< built-in wide routine identifier */
                                           ecma_value_t this_arg, /**< 'this' argument value */
                                           const ecma_value_t arguments_list_p[], /**< list of arguments
                                                                                   *   passed to routine */
                                           uint32_t arguments_number) /**< length of arguments' list */
{
  JERRY_UNUSED (arguments_number);

  switch (builtin_routine_id)
  {
    case ECMA_ARRAYBUFFER_OBJECT_IS_VIEW:
    {
      return ecma_builtin_arraybuffer_object_is_view (this_arg, arguments_list_p[0]);
    }
    case ECMA_ARRAYBUFFER_SPECIES_GET:
    {
      return ecma_copy_value (this_arg);
    }
    default:
    {
      JERRY_UNREACHABLE ();
    }
  }
} /* ecma_builtin_arraybuffer_dispatch_routine */

/**
 * @}
 * @}
 * @}
 */

#endif /* JERRY_BUILTIN_TYPEDARRAY */