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Improve property search. (#2232)

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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
2018-03-05 14:54:33 +01:00
committed by GitHub
parent b9f96a64d9
commit 7b0e1672ae
7 changed files with 272 additions and 127 deletions
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jerry-core/ecma/base/ecma-globals.h
+48 -46
View File
@@ -274,20 +274,6 @@ typedef struct
} u;
} ecma_native_pointer_t;
/**
* Special property identifiers.
*/
typedef enum
{
ECMA_SPECIAL_PROPERTY_DELETED, /**< deleted property */
/* Note: when new special types are added
* ECMA_PROPERTY_IS_PROPERTY_PAIR must be updated as well. */
ECMA_SPECIAL_PROPERTY_HASHMAP, /**< hashmap property */
ECMA_SPECIAL_PROPERTY__COUNT /**< Number of special property types */
} ecma_internal_property_id_t;
/**
* Property's 'Writable' attribute's values description.
*/
@@ -350,32 +336,6 @@ typedef enum
*/
#define ECMA_PROPERTY_FLAG_SHIFT 2
/**
* Define special property type.
*/
#define ECMA_SPECIAL_PROPERTY_VALUE(type) \
((uint8_t) (ECMA_PROPERTY_TYPE_SPECIAL | ((type) << ECMA_PROPERTY_FLAG_SHIFT)))
/**
* Type of deleted property.
*/
#define ECMA_PROPERTY_TYPE_DELETED ECMA_SPECIAL_PROPERTY_VALUE (ECMA_SPECIAL_PROPERTY_DELETED)
/**
* Type of hash-map property.
*/
#define ECMA_PROPERTY_TYPE_HASHMAP ECMA_SPECIAL_PROPERTY_VALUE (ECMA_SPECIAL_PROPERTY_HASHMAP)
/**
* Type of property not found.
*/
#define ECMA_PROPERTY_TYPE_NOT_FOUND ECMA_PROPERTY_TYPE_DELETED
/**
* Type of property not found and no more searching in the proto chain.
*/
#define ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP ECMA_PROPERTY_TYPE_HASHMAP
/**
* Property flag list (for ECMA_PROPERTY_TYPE_NAMEDDATA
* and ECMA_PROPERTY_TYPE_NAMEDACCESSOR).
@@ -422,6 +382,54 @@ typedef enum
*/
#define ECMA_PROPERTY_NAME_TYPE_SHIFT (ECMA_PROPERTY_FLAG_SHIFT + 4)
/**
* Special property identifiers.
*/
typedef enum
{
/* Note: when new special types are added
* ECMA_PROPERTY_IS_PROPERTY_PAIR must be updated as well. */
ECMA_SPECIAL_PROPERTY_HASHMAP, /**< hashmap property */
ECMA_SPECIAL_PROPERTY_DELETED, /**< deleted property */
ECMA_SPECIAL_PROPERTY__COUNT /**< Number of special property types */
} ecma_internal_property_id_t;
/**
* Define special property type.
*/
#define ECMA_SPECIAL_PROPERTY_VALUE(type) \
((uint8_t) (ECMA_PROPERTY_TYPE_SPECIAL | ((type) << ECMA_PROPERTY_NAME_TYPE_SHIFT)))
/**
* Type of deleted property.
*/
#define ECMA_PROPERTY_TYPE_DELETED ECMA_SPECIAL_PROPERTY_VALUE (ECMA_SPECIAL_PROPERTY_DELETED)
/**
* Type of hash-map property.
*/
#define ECMA_PROPERTY_TYPE_HASHMAP ECMA_SPECIAL_PROPERTY_VALUE (ECMA_SPECIAL_PROPERTY_HASHMAP)
/**
* Name constant of a deleted property.
*/
#ifdef JERRY_CPOINTER_32_BIT
#define ECMA_PROPERTY_DELETED_NAME 0xffffffffu
#else /* !JERRY_CPOINTER_32_BIT */
#define ECMA_PROPERTY_DELETED_NAME 0xffffu
#endif /* JERRY_CPOINTER_32_BIT */
/**
* Type of property not found.
*/
#define ECMA_PROPERTY_TYPE_NOT_FOUND ECMA_PROPERTY_TYPE_HASHMAP
/**
* Type of property not found and no more searching in the proto chain.
*/
#define ECMA_PROPERTY_TYPE_NOT_FOUND_AND_STOP ECMA_PROPERTY_TYPE_DELETED
/**
* Abstract property representation.
*
@@ -523,12 +531,6 @@ typedef struct
#define ECMA_PROPERTY_IS_NAMED_PROPERTY(property) \
(ECMA_PROPERTY_GET_TYPE (property) != ECMA_PROPERTY_TYPE_SPECIAL)
/**
* Returns the internal property type
*/
#define ECMA_PROPERTY_GET_SPECIAL_PROPERTY_TYPE(property_p) \
((ecma_internal_property_id_t) (*(property_p) >> ECMA_PROPERTY_FLAG_SHIFT))
/**
* Add the offset part to a property for computing its property data pointer.
*/