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

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-07-03 11:04:27 +02:00
committed by GitHub
parent f86b78a886
commit 80716cca90
22 changed files with 509 additions and 72 deletions
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jerry-core/ecma/operations/ecma-function-object.c
+47 -22
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@@ -442,32 +442,42 @@ ecma_op_create_simple_function_object (ecma_object_t *scope_p, /**< function's s
#if ENABLED (JERRY_ESNEXT)
/**
* GeneratorFunction object creation operation.
*
* See also: ECMA-262 v5, 13.2
* Create a function object with the appropriate prototype.
*
* @return pointer to newly created Function object
*/
ecma_object_t *
ecma_op_create_generator_function_object (ecma_object_t *scope_p, /**< function's scope */
const ecma_compiled_code_t *bytecode_data_p) /**< byte-code array */
ecma_op_create_any_function_object (ecma_object_t *scope_p, /**< function's scope */
const ecma_compiled_code_t *bytecode_data_p) /**< byte-code array */
{
return ecma_op_create_function_object (scope_p, bytecode_data_p, ECMA_BUILTIN_ID_GENERATOR);
} /* ecma_op_create_generator_function_object */
ecma_builtin_id_t proto_id;
/**
* AsyncGeneratorFunction object creation operation.
*
* See also: ECMA-262 v10, 25.3
*
* @return pointer to newly created Function object
*/
ecma_object_t *
ecma_op_create_async_generator_function_object (ecma_object_t *scope_p, /**< function's scope */
const ecma_compiled_code_t *bytecode_data_p) /**< byte-code array */
{
return ecma_op_create_function_object (scope_p, bytecode_data_p, ECMA_BUILTIN_ID_ASYNC_GENERATOR);
} /* ecma_op_create_async_generator_function_object */
switch (CBC_FUNCTION_GET_TYPE (bytecode_data_p->status_flags))
{
case CBC_FUNCTION_GENERATOR:
{
proto_id = ECMA_BUILTIN_ID_GENERATOR;
break;
}
case CBC_FUNCTION_ASYNC:
{
proto_id = ECMA_BUILTIN_ID_ASYNC_FUNCTION_PROTOTYPE;
break;
}
case CBC_FUNCTION_ASYNC_GENERATOR:
{
proto_id = ECMA_BUILTIN_ID_ASYNC_GENERATOR;
break;
}
default:
{
proto_id = ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE;
break;
}
}
return ecma_op_create_function_object (scope_p, bytecode_data_p, proto_id);
} /* ecma_op_create_any_function_object */
/**
* Arrow function object creation operation.
@@ -481,7 +491,17 @@ ecma_op_create_arrow_function_object (ecma_object_t *scope_p, /**< function's sc
const ecma_compiled_code_t *bytecode_data_p, /**< byte-code array */
ecma_value_t this_binding) /**< value of 'this' binding */
{
ecma_object_t *prototype_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE);
ecma_object_t *prototype_obj_p;
if (CBC_FUNCTION_GET_TYPE (bytecode_data_p->status_flags) == CBC_FUNCTION_ARROW)
{
prototype_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_FUNCTION_PROTOTYPE);
}
else
{
JERRY_ASSERT (CBC_FUNCTION_GET_TYPE (bytecode_data_p->status_flags) == CBC_FUNCTION_ASYNC_ARROW);
prototype_obj_p = ecma_builtin_get (ECMA_BUILTIN_ID_ASYNC_FUNCTION_PROTOTYPE);
}
size_t arrow_function_object_size = sizeof (ecma_arrow_function_t);
@@ -851,7 +871,7 @@ ecma_op_function_call_simple (ecma_object_t *func_obj_p, /**< Function object */
#if ENABLED (JERRY_ESNEXT)
ecma_object_t *old_function_object_p = JERRY_CONTEXT (current_function_obj_p);
if (JERRY_UNLIKELY (function_type == CBC_FUNCTION_ARROW))
if (JERRY_UNLIKELY (CBC_FUNCTION_IS_ARROW (status_flags)))
{
ecma_arrow_function_t *arrow_func_p = (ecma_arrow_function_t *) func_obj_p;
@@ -1298,6 +1318,11 @@ ecma_op_function_construct (ecma_object_t *func_obj_p, /**< Function object */
message_p = ECMA_ERR_MSG ("Arrow functions cannot be invoked with 'new'.");
break;
}
case CBC_FUNCTION_ASYNC_ARROW:
{
message_p = ECMA_ERR_MSG ("Async arrow functions cannot be invoked with 'new'.");
break;
}
default:
{
JERRY_ASSERT (CBC_FUNCTION_GET_TYPE (byte_code_p->status_flags) == CBC_FUNCTION_ACCESSOR);