Implement the basic Promise (#1695)

Implement the Promise Constructor and routine: 'then' JerryScript-DCO-1.0-Signed-off-by: Zidong Jiang zidong.jiang@intel.com
2017-04-12 22:10:08 +08:00
parent 01fe5ab190
commit eb8dd4602b
23 changed files with 1579 additions and 40 deletions
@@ -0,0 +1,83 @@
+/* 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-exceptions.h"
+#include "ecma-function-object.h"
+#include "ecma-globals.h"
+#include "ecma-promise-object.h"
+
+#ifndef CONFIG_DISABLE_ES2015_PROMISE_BUILTIN
+
+#define ECMA_BUILTINS_INTERNAL
+#include "ecma-builtins-internal.h"
+
+#define BUILTIN_INC_HEADER_NAME "ecma-builtin-promise.inc.h"
+#define BUILTIN_UNDERSCORED_ID promise
+#include "ecma-builtin-internal-routines-template.inc.h"
+
+/** \addtogroup ecma ECMA
+ * @{
+ *
+ * \addtogroup ecmabuiltins
+ * @{
+ *
+ * \addtogroup promise ECMA Promise object built-in
+ * @{
+ */
+
+/**
+ * Handle calling [[Call]] of built-in Promise object.
+ *
+ * ES2015 25.4.3 Promise 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_promise_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 Promise requires 'new'."));
+} /* ecma_builtin_promise_dispatch_call */
+
+/**
+ * Handle calling [[Construct]] of built-in Promise object.
+ *
+ * @return ecma value
+ */
+ecma_value_t
+ecma_builtin_promise_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);
+
+  if (arguments_list_len == 0 || !ecma_op_is_callable (arguments_list_p[0]))
+  {
+    return ecma_raise_type_error (ECMA_ERR_MSG ("First parameter must be callable."));
+  }
+
+  return ecma_op_create_promise_object (arguments_list_p[0], true);
+} /* ecma_builtin_promise_dispatch_construct */
+
+/**
+ * @}
+ * @}
+ * @}
+ */
+
+#endif /* !CONFIG_DISABLE_ES2015_PROMISE_BUILTIN */