Add ES2015 feature: ArrayBuffer (#1467)

This patch implements ArrayBuffer and ArrayBuffer.prototype built-in objects. JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
2016-12-07 21:04:01 +08:00
parent eccfc1849e
commit 29d058cec4
67 changed files with 845 additions and 59 deletions
@@ -0,0 +1,103 @@
+/* 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-builtins.h"
+#include "ecma-exceptions.h"
+#include "ecma-gc.h"
+#include "ecma-globals.h"
+#include "ecma-helpers.h"
+#include "ecma-arraybuffer-object.h"
+#include "ecma-try-catch-macro.h"
+#include "jrt.h"
+
+#ifndef CONFIG_DISABLE_ARRAYBUFFER_BUILTIN
+
+#define ECMA_BUILTINS_INTERNAL
+#include "ecma-builtins-internal.h"
+
+#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 string 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);
+  JERRY_UNUSED (arg);
+
+  /* TODO: if arg has [[ViewArrayBuffer]], return true */
+
+  return ecma_make_boolean_value (false);
+} /* 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 */
+                                        ecma_length_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 */
+                                             ecma_length_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 */
+
+/**
+ * @}
+ * @}
+ * @}
+ */
+
+#endif /* !CONFIG_DISABLE_ARRAYBUFFER_BUILTIN */