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Implement the core of Proxy object (#3562)

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- Internal routines of the of the proxy object are unimplemented
 - For-in enumerate with proxy target is currently not supported

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2020-02-28 14:41:59 +01:00
committed by GitHub
parent 9b393ee2ea
commit 4e136c8973
57 changed files with 3017 additions and 397 deletions
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jerry-core/vm/opcodes.c
+33 -9
View File
@@ -44,13 +44,25 @@
* 'Variable declaration' opcode handler.
*
* See also: ECMA-262 v5, 10.5 - Declaration binding instantiation (block 8).
*
* @return ECMA_VALUE_ERROR - if no the operation fails
* ECMA_VALUE_EMPTY - otherwise
*/
inline void JERRY_ATTR_ALWAYS_INLINE
inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
vm_var_decl (ecma_object_t *lex_env_p, /**< target lexical environment */
ecma_string_t *var_name_str_p, /**< variable name */
bool is_configurable_bindings) /**< true if the binding can be deleted */
{
if (!ecma_op_has_binding (lex_env_p, var_name_str_p))
ecma_value_t has_binding = ecma_op_has_binding (lex_env_p, var_name_str_p);
#if ENABLED (JERRY_ES2015_BUILTIN_PROXY)
if (ECMA_IS_VALUE_ERROR (has_binding))
{
return has_binding;
}
#endif /* ENABLED (JERRY_ES2015_BUILTIN_PROXY) */
if (ecma_is_value_false (has_binding))
{
ecma_value_t completion_value = ecma_op_create_mutable_binding (lex_env_p,
var_name_str_p,
@@ -65,12 +77,17 @@ vm_var_decl (ecma_object_t *lex_env_p, /**< target lexical environment */
var_name_str_p,
vm_is_strict_mode ())));
}
return ECMA_VALUE_EMPTY;
} /* vm_var_decl */
/**
* Set var binding to a function literal value.
*
* @return ECMA_VALUE_ERROR - if no the operation fails
* ECMA_VALUE_EMPTY - otherwise
*/
inline void JERRY_ATTR_ALWAYS_INLINE
inline ecma_value_t JERRY_ATTR_ALWAYS_INLINE
vm_set_var (ecma_object_t *lex_env_p, /**< target lexical environment */
ecma_string_t *var_name_str_p, /**< variable name */
bool is_strict, /**< true, if the engine is in strict mode */
@@ -83,12 +100,9 @@ vm_set_var (ecma_object_t *lex_env_p, /**< target lexical environment */
|| ecma_is_value_empty (put_value_result)
|| ECMA_IS_VALUE_ERROR (put_value_result));
if (ECMA_IS_VALUE_ERROR (put_value_result))
{
jcontext_release_exception ();
}
ecma_free_value (lit_value);
return put_value_result;
} /* vm_set_var */
/**
@@ -206,7 +220,7 @@ vm_op_delete_prop (ecma_value_t object, /**< base object */
JERRY_ASSERT (!ecma_is_lexical_environment (obj_p));
ecma_value_t delete_op_ret = ecma_op_object_delete (obj_p, name_string_p, is_strict);
JERRY_ASSERT (ecma_is_value_boolean (delete_op_ret) || (is_strict == true && ECMA_IS_VALUE_ERROR (delete_op_ret)));
JERRY_ASSERT (ecma_is_value_boolean (delete_op_ret) || ECMA_IS_VALUE_ERROR (delete_op_ret));
ecma_deref_object (obj_p);
ecma_deref_ecma_string (name_string_p);
@@ -229,6 +243,13 @@ vm_op_delete_var (ecma_value_t name_literal, /**< name literal */
ecma_object_t *ref_base_lex_env_p = ecma_op_resolve_reference_base (lex_env_p, var_name_str_p);
#if ENABLED (JERRY_ES2015_BUILTIN_PROXY)
if (JERRY_UNLIKELY (ref_base_lex_env_p == ECMA_OBJECT_POINTER_ERROR))
{
return ECMA_VALUE_ERROR;
}
#endif /* ENABLED (JERRY_ES2015_BUILTIN_PROXY) */
if (ref_base_lex_env_p == NULL)
{
completion_value = ECMA_VALUE_TRUE;
@@ -267,6 +288,9 @@ opfunc_for_in (ecma_value_t left_value, /**< left value */
/* ecma_op_to_object will only raise error on null/undefined values but those are handled above. */
JERRY_ASSERT (!ECMA_IS_VALUE_ERROR (obj_expr_value));
ecma_object_t *obj_p = ecma_get_object_from_value (obj_expr_value);
#if ENABLED (JERRY_ES2015_BUILTIN_PROXY)
JERRY_ASSERT (!ECMA_OBJECT_IS_PROXY (obj_p));
#endif /* ENABLED (JERRY_ES2015_BUILTIN_PROXY) */
ecma_collection_t *prop_names_p = ecma_op_object_get_property_names (obj_p, ECMA_LIST_ENUMERABLE_PROTOTYPE);
if (prop_names_p->item_count != 0)