Implement missing async function and async iterator prototypes. (#3962)

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
2020-07-03 11:04:27 +02:00
parent f86b78a886
commit 80716cca90
22 changed files with 509 additions and 72 deletions
@@ -0,0 +1,43 @@
+/* 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-globals.h"
+
+#if ENABLED (JERRY_ESNEXT)
+
+#define ECMA_BUILTINS_INTERNAL
+#include "ecma-builtins-internal.h"
+
+#define BUILTIN_INC_HEADER_NAME "ecma-builtin-async-function-prototype.inc.h"
+#define BUILTIN_UNDERSCORED_ID async_function_prototype
+#include "ecma-builtin-internal-routines-template.inc.h"
+
+/** \addtogroup ecma ECMA
+ * @{
+ *
+ * \addtogroup ecmabuiltins
+ * @{
+ *
+ * \addtogroup asyncfunctionprototype ECMA AsyncFunction.prototype object built-in
+ * @{
+ */
+
+/**
+ * @}
+ * @}
+ * @}
+ */
+
+#endif /* ENABLED (JERRY_ESNEXT) */
@@ -0,0 +1,36 @@
+/* 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.
+ */
+
+/*
+ * %AsyncFunctionPrototype% built-in description (AsyncFunction.prototype)
+ */
+
+#include "ecma-builtin-helpers-macro-defines.inc.h"
+
+#if ENABLED (JERRY_ESNEXT)
+
+/* ECMA-262 v11, 25.7.3.1 */
+OBJECT_VALUE (LIT_MAGIC_STRING_CONSTRUCTOR,
+              ECMA_BUILTIN_ID_ASYNC_FUNCTION,
+              ECMA_PROPERTY_FLAG_CONFIGURABLE)
+
+/* ECMA-262 v11, 25.7.3.2 */
+STRING_VALUE (LIT_GLOBAL_SYMBOL_TO_STRING_TAG,
+              LIT_MAGIC_STRING_ASYNC_FUNCTION_UL,
+              ECMA_PROPERTY_FLAG_CONFIGURABLE)
+
+#endif /* ENABLED (JERRY_ESNEXT) */
+
+#include "ecma-builtin-helpers-macro-undefs.inc.h"
@@ -0,0 +1,74 @@
+/* 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-globals.h"
+
+#if ENABLED (JERRY_ESNEXT)
+
+#define ECMA_BUILTINS_INTERNAL
+#include "ecma-builtins-internal.h"
+#include "ecma-function-object.h"
+
+#define BUILTIN_INC_HEADER_NAME "ecma-builtin-async-function.inc.h"
+#define BUILTIN_UNDERSCORED_ID async_function
+#include "ecma-builtin-internal-routines-template.inc.h"
+
+/** \addtogroup ecma ECMA
+ * @{
+ *
+ * \addtogroup ecmabuiltins
+ * @{
+ *
+ * \addtogroup asyncfunction ECMA AsyncFunction object built-in
+ * @{
+ */
+
+/**
+ * Handle calling [[Call]] of built-in AsyncFunction object
+ *
+ * @return constructed async function object - if success
+ *         raised error otherwise
+ */
+ecma_value_t
+ecma_builtin_async_function_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_op_create_dynamic_function (arguments_list_p,
+                                          arguments_list_len,
+                                          ECMA_PARSE_ASYNC_FUNCTION);
+} /* ecma_builtin_async_function_dispatch_call */
+
+/**
+ * Handle calling [[Construct]] of built-in AsyncFunction object
+ *
+ * @return constructed async function object - if success
+ *        raised error otherwise
+ */
+ecma_value_t
+ecma_builtin_async_function_dispatch_construct (const ecma_value_t *arguments_list_p, /**< arguments list */
+                                                ecma_length_t arguments_list_len) /**< number of arguments */
+{
+  return ecma_builtin_async_function_dispatch_call (arguments_list_p, arguments_list_len);
+} /* ecma_builtin_async_function_dispatch_construct */
+
+/**
+ * @}
+ * @}
+ * @}
+ */
+
+#endif /* ENABLED (JERRY_ESNEXT) */
@@ -0,0 +1,41 @@
+/* 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.
+ */
+
+/*
+ * %AsyncFunction% built-in description
+ */
+
+#include "ecma-builtin-helpers-macro-defines.inc.h"
+
+#if ENABLED (JERRY_ESNEXT)
+
+/* ECMA-262 v11, 25.7.2 */
+STRING_VALUE (LIT_MAGIC_STRING_NAME,
+              LIT_MAGIC_STRING_ASYNC_FUNCTION_UL,
+              ECMA_PROPERTY_FLAG_CONFIGURABLE)
+
+/* ECMA-262 v11, 25.7.2.1 */
+NUMBER_VALUE (LIT_MAGIC_STRING_LENGTH,
+              1,
+              ECMA_PROPERTY_FLAG_CONFIGURABLE)
+
+/* ECMA-262 v10, 25.7.2.2 */
+OBJECT_VALUE (LIT_MAGIC_STRING_PROTOTYPE,
+              ECMA_BUILTIN_ID_ASYNC_FUNCTION,
+              ECMA_PROPERTY_FIXED)
+
+#endif /* ENABLED (JERRY_ESNEXT) */
+
+#include "ecma-builtin-helpers-macro-undefs.inc.h"
@@ -0,0 +1,63 @@
+/* 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-builtin-helpers.h"
+#include "ecma-builtins.h"
+#include "ecma-iterator-object.h"
+
+#if ENABLED (JERRY_ESNEXT)
+
+#define ECMA_BUILTINS_INTERNAL
+#include "ecma-builtins-internal.h"
+
+#define BUILTIN_INC_HEADER_NAME "ecma-builtin-async-iterator-prototype.inc.h"
+#define BUILTIN_UNDERSCORED_ID async_iterator_prototype
+#include "ecma-builtin-internal-routines-template.inc.h"
+
+/** \addtogroup ecma ECMA
+ * @{
+ *
+ * \addtogroup ecmabuiltins
+ * @{
+ *
+ * \addtogroup %asynciteratorprototype% ECMA %AsyncIteratorPrototype% object built-in
+ * @{
+ */
+
+/**
+ * The %AsyncIteratorPrototype% object's '@@asyncIterator' routine
+ *
+ * See also:
+ *          ECMA-262 v10, 25.1.3.1
+ *
+ * Note:
+ *     Returned value must be freed with ecma_free_value.
+ *
+ * @return the given this value
+ */
+static ecma_value_t
+ecma_builtin_async_iterator_prototype_object_async_iterator (ecma_value_t this_val) /**< this argument */
+{
+  /* 1. */
+  return ecma_copy_value (this_val);
+} /* ecma_builtin_async_iterator_prototype_object_async_iterator */
+
+/**
+ * @}
+ * @}
+ * @}
+ */
+
+#endif /* ENABLED (JERRY_ESNEXT) */
@@ -0,0 +1,30 @@
+/* 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.
+ */
+
+/*
+ * %AsyncIteratorPrototype% built-in description
+ */
+
+#include "ecma-builtin-helpers-macro-defines.inc.h"
+
+#if ENABLED (JERRY_ESNEXT)
+
+/* Routine properties:
+ *  (property name, C routine name, arguments number or NON_FIXED, value of the routine's length property) */
+ROUTINE (LIT_GLOBAL_SYMBOL_ASYNC_ITERATOR, ecma_builtin_async_iterator_prototype_object_async_iterator, 0, 0)
+
+#endif /* ENABLED (JERRY_ESNEXT) */
+
+#include "ecma-builtin-helpers-macro-undefs.inc.h"
@@ -576,6 +576,20 @@ BUILTIN_ROUTINE (ECMA_BUILTIN_ID_SYMBOL,
                 true,
                 symbol)

+/* The %AsyncFunction% object (ECMA-262 v11, 25.7.2) */
+BUILTIN_ROUTINE (ECMA_BUILTIN_ID_ASYNC_FUNCTION,
+                 ECMA_OBJECT_TYPE_FUNCTION,
+                 ECMA_BUILTIN_ID_FUNCTION,
+                 true,
+                 async_function)
+
+/* The %AsyncFunctionPrototype% object (ECMA-262 v11, 25.7.3) */
+BUILTIN (ECMA_BUILTIN_ID_ASYNC_FUNCTION_PROTOTYPE,
+         ECMA_OBJECT_TYPE_GENERAL,
+         ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE,
+         true,
+         async_function_prototype)
+
 /* The %IteratorPrototype% object (ECMA-262 v6, 25.1.2) */
 BUILTIN (ECMA_BUILTIN_ID_ITERATOR_PROTOTYPE,
         ECMA_OBJECT_TYPE_GENERAL,
@@ -597,6 +611,13 @@ BUILTIN (ECMA_BUILTIN_ID_STRING_ITERATOR_PROTOTYPE,
         true,
         string_iterator_prototype)

+/* The %AsyncIteratorPrototype% object (ECMA-262 v10, 25.1.3) */
+BUILTIN (ECMA_BUILTIN_ID_ASYNC_ITERATOR_PROTOTYPE,
+         ECMA_OBJECT_TYPE_GENERAL,
+         ECMA_BUILTIN_ID_OBJECT_PROTOTYPE,
+         true,
+         async_iterator_prototype)
+
 /* The %(GeneratorFunction)% object */
 BUILTIN_ROUTINE (ECMA_BUILTIN_ID_GENERATOR_FUNCTION,
                 ECMA_OBJECT_TYPE_FUNCTION,
@@ -635,7 +656,7 @@ BUILTIN (ECMA_BUILTIN_ID_ASYNC_GENERATOR,
 /* The %(AsyncGenerator).prototype% object */
 BUILTIN (ECMA_BUILTIN_ID_ASYNC_GENERATOR_PROTOTYPE,
         ECMA_OBJECT_TYPE_GENERAL,
-         ECMA_BUILTIN_ID_ITERATOR_PROTOTYPE,
+         ECMA_BUILTIN_ID_ASYNC_ITERATOR_PROTOTYPE,
         true,
         async_generator_prototype)