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.
+ */
+
+#ifndef ECMA_PROMISE_OBJECT_H
+#define ECMA_PROMISE_OBJECT_H
+
+#ifndef CONFIG_DISABLE_ES2015_PROMISE_BUILTIN
+#include "ecma-globals.h"
+
+/** \addtogroup ecma ECMA
+ * @{
+ *
+ * \addtogroup ecmaarraybufferobject ECMA ArrayBuffer object related routines
+ * @{
+ */
+
+/**
+ * The PromiseState of promise object.
+ */
+typedef enum
+{
+  ECMA_PROMISE_STATE_PENDING, /**< pending state */
+  ECMA_PROMISE_STATE_FULFILLED, /**< fulfilled state */
+  ECMA_PROMISE_STATE_REJECTED, /** rejected state */
+  ECMA_PROMISE_STATE__COUNT /**< number of states */
+} ecma_promise_state_t;
+
+/**
+ * Description of the promise resolving functions.
+ */
+typedef struct
+{
+  ecma_value_t resolve; /**< the resolve function */
+  ecma_value_t reject; /**< the reject function */
+} ecma_promise_resolving_functions_t;
+
+/**
+ * Description of the promise object.
+ * It need more space than normal object to store builtin properties.
+ */
+typedef struct
+{
+  ecma_extended_object_t ecma_extended_object_t; /**< extended object part */
+  uint8_t state; /**< promise state, see ecma_promise_state_t */
+  ecma_collection_header_t *fulfill_reactions; /**< list of PromiseFullfillReactions */
+  ecma_collection_header_t *reject_reactions; /**< list of PromiseRejectReactions */
+} ecma_promise_object_t;
+
+bool ecma_is_promise (ecma_object_t *obj_p);
+ecma_value_t ecma_promise_get_result (ecma_object_t *obj_p);
+void ecma_promise_set_result (ecma_object_t *obj_p, ecma_value_t result);
+uint8_t ecma_promise_get_state (ecma_object_t *obj_p);
+void ecma_promise_set_state (ecma_object_t *obj_p, uint8_t state);
+ecma_value_t
+ecma_op_create_promise_object (ecma_value_t executor, bool is_func);
+ecma_promise_resolving_functions_t *
+ecma_promise_create_resolving_functions (ecma_object_t *obj_p);
+void ecma_promise_free_resolving_functions (ecma_promise_resolving_functions_t *funcs);
+ecma_value_t ecma_promise_new_capability (void);
+ecma_value_t
+ecma_promise_then (ecma_value_t promise,
+                   ecma_value_t on_fulfilled,
+                   ecma_value_t on_rejected,
+                   ecma_value_t result_capability);
+/**
+ * @}
+ * @}
+ */
+
+#endif /* !CONFIG_DISABLE_ES2015_PROMISE_BUILTIN */
+#endif /* !ECMA_PROMISE_OBJECT_H */