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Implement proper function length support (#4290)

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Comma after last destructuring argument has been fixed as well

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2020-10-19 10:55:26 +02:00
committed by GitHub
parent 9da1211e26
commit f384642409
10 changed files with 157 additions and 130 deletions
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jerry-core/ecma/operations/ecma-function-object.c
+7 -2
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@@ -1524,12 +1524,18 @@ ecma_op_function_try_to_lazy_instantiate_property (ecma_object_t *object_p, /**<
if (ecma_compare_ecma_string_to_magic_id (property_name_p, LIT_MAGIC_STRING_LENGTH))
{
ecma_extended_object_t *ext_func_p = (ecma_extended_object_t *) object_p;
if (!ECMA_GET_FIRST_BIT_FROM_POINTER_TAG (ext_func_p->u.function.scope_cp))
{
/* Initialize 'length' property */
const ecma_compiled_code_t *bytecode_data_p = ecma_op_function_get_compiled_code (ext_func_p);
uint32_t len;
if (bytecode_data_p->status_flags & CBC_CODE_FLAGS_UINT16_ARGUMENTS)
if (bytecode_data_p->status_flags & CBC_CODE_FLAGS_HAS_EXTENDED_INFO)
{
len = CBC_EXTENDED_INFO_GET_LENGTH (ecma_compiled_code_resolve_extended_info (bytecode_data_p));
}
else if (bytecode_data_p->status_flags & CBC_CODE_FLAGS_UINT16_ARGUMENTS)
{
cbc_uint16_arguments_t *args_p = (cbc_uint16_arguments_t *) bytecode_data_p;
len = args_p->argument_end;
@@ -1629,7 +1635,6 @@ ecma_op_function_try_to_lazy_instantiate_property (ecma_object_t *object_p, /**<
return caller_prop_p;
}
#endif /* ENABLED (JERRY_ESNEXT) */
}
return NULL;