YourWishes/jerryscript
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement async generators (#3916)

Browse Source 
JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-06-22 13:54:18 +02:00
committed by GitHub
parent 0f0041d720
commit b2a6109430
32 changed files with 1247 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files
jerry-core/vm/opcodes.c
+21 -4
View File
@@ -600,11 +600,20 @@ opfunc_create_executable_object (vm_frame_ctx_t *frame_ctx_p, /**< frame context
size_t total_size = JERRY_ALIGNUP (sizeof (vm_executable_object_t) + size, sizeof (uintptr_t));
ecma_object_t *proto_p = NULL;
/* Async function objects are not accessible, so their class_id is not relevant. */
uint16_t class_id = LIT_MAGIC_STRING_GENERATOR_UL;
if (type == VM_CREATE_EXECUTABLE_OBJECT_GENERATOR)
{
proto_p = ecma_op_get_prototype_from_constructor (JERRY_CONTEXT (current_function_obj_p),
ECMA_BUILTIN_ID_GENERATOR_PROTOTYPE);
ecma_builtin_id_t default_proto_id = ECMA_BUILTIN_ID_GENERATOR_PROTOTYPE;
if (CBC_FUNCTION_GET_TYPE (frame_ctx_p->bytecode_header_p->status_flags) == CBC_FUNCTION_ASYNC_GENERATOR)
{
default_proto_id = ECMA_BUILTIN_ID_ASYNC_GENERATOR_PROTOTYPE;
class_id = LIT_MAGIC_STRING_ASYNC_GENERATOR_UL;
}
proto_p = ecma_op_get_prototype_from_constructor (JERRY_CONTEXT (current_function_obj_p), default_proto_id);
}
ecma_object_t *object_p = ecma_create_object (proto_p,
@@ -618,9 +627,9 @@ opfunc_create_executable_object (vm_frame_ctx_t *frame_ctx_p, /**< frame context
ecma_deref_object (proto_p);
}
/* Async function objects are not accessible, so their class_id is not relevant. */
executable_object_p->extended_object.u.class_prop.class_id = LIT_MAGIC_STRING_GENERATOR_UL;
executable_object_p->extended_object.u.class_prop.class_id = class_id;
executable_object_p->extended_object.u.class_prop.extra_info = 0;
ECMA_SET_INTERNAL_VALUE_ANY_POINTER (executable_object_p->extended_object.u.class_prop.u.head, NULL);
JERRY_ASSERT (!frame_ctx_p->is_eval_code);
@@ -683,6 +692,14 @@ const uint8_t opfunc_resume_executable_object_with_throw[1] =
CBC_THROW
};
/**
* Byte code which resumes an executable object with return
*/
const uint8_t opfunc_resume_executable_object_with_return[2] =
{
CBC_EXT_OPCODE, CBC_EXT_RETURN
};
/**
* Resume the execution of an inactive executable object
*