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List of lazy instantiated properties' names in ecma_op_object_get_property_names.

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JerryScript-DCO-1.0-Signed-off-by: Ruben Ayrapetyan r.ayrapetyan@samsung.com
This commit is contained in:
Ruben Ayrapetyan
2015-10-30 22:19:33 +03:00
parent 9c3aa4a003
commit da47c671e7
9 changed files with 464 additions and 79 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-internal-routines-template.inc.h
+120
View File
@@ -21,6 +21,8 @@
# error "Please, define BUILTIN_INC_HEADER_NAME"
#endif /* !BUILTIN_INC_HEADER_NAME */
#include "ecma-objects.h"
#define PASTE__(x, y) x ## y
#define PASTE_(x, y) PASTE__ (x, y)
#define PASTE(x, y) PASTE_ (x, y)
@@ -29,6 +31,8 @@
PASTE (PASTE (ecma_builtin_, builtin_underscored_id), _sort_property_names)
#define TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME(builtin_underscored_id) \
PASTE (PASTE (ecma_builtin_, builtin_underscored_id), _try_to_instantiate_property)
#define LIST_LAZY_PROPERTY_NAMES_ROUTINE_NAME(builtin_underscored_id) \
PASTE (PASTE (ecma_builtin_, builtin_underscored_id), _list_lazy_property_names)
#define DISPATCH_ROUTINE_ROUTINE_NAME(builtin_underscored_id) \
PASTE (PASTE (ecma_builtin_, builtin_underscored_id), _dispatch_routine)
@@ -268,6 +272,122 @@ TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME (BUILTIN_UNDERSCORED_ID) (ecma_object_t
return prop_p;
} /* TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME */
/**
* List names of the built-in object's lazy instantiated properties
*
* See also:
* TRY_TO_INSTANTIATE_PROPERTY_ROUTINE_NAME
*
* @return string values collection
*/
void
LIST_LAZY_PROPERTY_NAMES_ROUTINE_NAME (BUILTIN_UNDERSCORED_ID) (ecma_object_t *object_p, /**< a built-in object */
/** true - list enumerable properties
* into main collection,
* and non-enumerable to
* collection of 'skipped
* non-enumerable'
* properties,
* false - list all properties into
* main collection.
*/
bool separate_enumerable,
/** 'main' collection */
ecma_collection_header_t *main_collection_p,
/** skipped 'non-enumerable' collection */
ecma_collection_header_t *non_enum_collection_p)
{
ecma_collection_header_t *for_enumerable_p = main_collection_p;
(void) for_enumerable_p;
ecma_collection_header_t *for_non_enumerable_p = separate_enumerable ? non_enum_collection_p : main_collection_p;
#define OBJECT_ID(builtin_id) const ecma_builtin_id_t builtin_object_id = builtin_id;
#include BUILTIN_INC_HEADER_NAME
JERRY_ASSERT (ecma_builtin_is (object_p, builtin_object_id));
const ecma_length_t properties_number = (ecma_length_t) (sizeof (ecma_builtin_property_names) /
sizeof (ecma_builtin_property_names[0]));
for (ecma_length_t i = 0;
i < properties_number;
i++)
{
lit_magic_string_id_t name = ecma_builtin_property_names[i];
int32_t index;
index = ecma_builtin_bin_search_for_magic_string_id_in_array (ecma_builtin_property_names,
properties_number,
name);
uint32_t bit;
ecma_internal_property_id_t mask_prop_id;
if (index >= 32)
{
mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_32_63;
bit = (uint32_t) 1u << (index - 32);
}
else
{
mask_prop_id = ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_0_31;
bit = (uint32_t) 1u << index;
}
ecma_property_t *mask_prop_p = ecma_find_internal_property (object_p, mask_prop_id);
bool is_instantiated = false;
if (mask_prop_p == NULL)
{
is_instantiated = true;
}
else
{
uint32_t bit_mask = mask_prop_p->u.internal_property.value;
if (bit_mask & bit)
{
is_instantiated = true;
}
else
{
is_instantiated = false;
}
}
bool is_existing;
ecma_string_t *name_p = ecma_get_magic_string (name);
if (!is_instantiated)
{
/* will be instantiated upon first request */
is_existing = true;
}
else
{
if (ecma_op_object_get_own_property (object_p, name_p) == NULL)
{
is_existing = false;
}
else
{
is_existing = true;
}
}
if (is_existing)
{
ecma_append_to_values_collection (for_non_enumerable_p,
ecma_make_string_value (name_p),
true);
}
ecma_deref_ecma_string (name_p);
}
} /* LIST_LAZY_PROPERTY_NAMES_ROUTINE_NAME */
/**
* Dispatcher of the built-in's routines
*
jerry-core/ecma/builtin-objects/ecma-builtins-internal.h
+5
View File
@@ -85,6 +85,11 @@ extern ecma_property_t * \
ecma_builtin_ ## lowercase_name ## _try_to_instantiate_property (ecma_object_t *, \
ecma_string_t *); \
extern void \
ecma_builtin_ ## lowercase_name ## _list_lazy_property_names (ecma_object_t *, \
bool, \
ecma_collection_header_t *, \
ecma_collection_header_t *); \
extern void \
ecma_builtin_ ## lowercase_name ## _sort_property_names (void);
#include "ecma-builtins.inc.h"
jerry-core/ecma/builtin-objects/ecma-builtins.cpp
+77
View File
@@ -378,6 +378,83 @@ ecma_builtin_try_to_instantiate_property (ecma_object_t *object_p, /**< object *
}
} /* ecma_builtin_try_to_instantiate_property */
/**
* List names of a built-in object's lazy instantiated properties
*
* See also:
* ecma_builtin_try_to_instantiate_property
*/
void
ecma_builtin_list_lazy_property_names (ecma_object_t *object_p, /**< a built-in object */
bool separate_enumerable, /**< true - list enumerable properties into
* main collection, and non-enumerable
* to collection of 'skipped non-enumerable'
* properties,
* false - list all properties into main collection.
*/
ecma_collection_header_t *main_collection_p, /**< 'main' collection */
ecma_collection_header_t *non_enum_collection_p) /**< skipped 'non-enumerable'
* collection */
{
const ecma_object_type_t type = ecma_get_object_type (object_p);
if (type == ECMA_OBJECT_TYPE_BUILT_IN_FUNCTION)
{
ecma_collection_header_t *for_enumerable_p = main_collection_p;
(void) for_enumerable_p;
ecma_collection_header_t *for_non_enumerable_p = separate_enumerable ? non_enum_collection_p : main_collection_p;
/* 'length' property is non-enumerable (ECMA-262 v5, 15) */
ecma_string_t *name_p = ecma_get_magic_string (LIT_MAGIC_STRING_LENGTH);
ecma_append_to_values_collection (for_non_enumerable_p, ecma_make_string_value (name_p), true);
ecma_deref_ecma_string (name_p);
}
else
{
ecma_property_t *built_in_id_prop_p = ecma_get_internal_property (object_p,
ECMA_INTERNAL_PROPERTY_BUILT_IN_ID);
ecma_builtin_id_t builtin_id = (ecma_builtin_id_t) built_in_id_prop_p->u.internal_property.value;
JERRY_ASSERT (ecma_builtin_is (object_p, builtin_id));
switch (builtin_id)
{
#define BUILTIN(builtin_id, \
object_type, \
object_prototype_builtin_id, \
is_extensible, \
is_static, \
lowercase_name) \
case builtin_id: \
{ \
ecma_builtin_ ## lowercase_name ## _list_lazy_property_names (object_p, \
separate_enumerable, \
main_collection_p, \
non_enum_collection_p); \
return; \
}
#include "ecma-builtins.inc.h"
case ECMA_BUILTIN_ID__COUNT:
{
JERRY_UNREACHABLE ();
}
default:
{
#ifdef CONFIG_ECMA_COMPACT_PROFILE
JERRY_UNREACHABLE ();
#else /* CONFIG_ECMA_COMPACT_PROFILE */
JERRY_UNIMPLEMENTED ("The built-in is not implemented.");
#endif /* !CONFIG_ECMA_COMPACT_PROFILE */
}
}
JERRY_UNREACHABLE ();
}
} /* ecma_builtin_list_and_lazy_property_names */
/**
* Construct a Function object for specified built-in routine
*
jerry-core/ecma/builtin-objects/ecma-builtins.h
+5
View File
@@ -44,6 +44,11 @@ extern ecma_completion_value_t
ecma_builtin_dispatch_construct (ecma_object_t *, ecma_collection_header_t *);
extern ecma_property_t *
ecma_builtin_try_to_instantiate_property (ecma_object_t *, ecma_string_t *);
extern void
ecma_builtin_list_lazy_property_names (ecma_object_t *,
bool,
ecma_collection_header_t *,
ecma_collection_header_t *);
extern bool
ecma_builtin_is (ecma_object_t *, ecma_builtin_id_t);
extern ecma_object_t *