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Change internal property values of built-in primitive objects (namely Number,

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String, Boolean) to use ecma-values. When the value of a Number object is
a small integer number, this change reduces the memory consumption, since no
double is allocated.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-05-20 03:06:14 -07:00
parent 1c028d96d6
commit 5ecf83ee8a
13 changed files with 44 additions and 68 deletions
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jerry-core/ecma/base/ecma-gc.c
+4 -5
View File
@@ -242,11 +242,11 @@ ecma_gc_mark_property (ecma_property_t *property_p) /**< property */
switch (ECMA_PROPERTY_GET_INTERNAL_PROPERTY_TYPE (property_p))
{
case ECMA_INTERNAL_PROPERTY_PRIMITIVE_STRING_VALUE: /* compressed pointer to a ecma_string_t */
case ECMA_INTERNAL_PROPERTY_PRIMITIVE_NUMBER_VALUE: /* compressed pointer to a ecma_number_t */
case ECMA_INTERNAL_PROPERTY_PRIMITIVE_BOOLEAN_VALUE: /* a simple boolean value */
case ECMA_INTERNAL_PROPERTY_ECMA_VALUE: /* an ecma_value_t except object */
case ECMA_INTERNAL_PROPERTY_DATE_FLOAT: /* pointer to a ecma_number_t */
case ECMA_INTERNAL_PROPERTY_CLASS: /* an enum */
case ECMA_INTERNAL_PROPERTY_CODE_BYTECODE: /* compressed pointer to a bytecode array */
case ECMA_INTERNAL_PROPERTY_CODE_BYTECODE: /* pointer to a bytecode array */
case ECMA_INTERNAL_PROPERTY_REGEXP_BYTECODE: /* pointer to a regexp bytecode array */
case ECMA_INTERNAL_PROPERTY_NATIVE_CODE: /* an external pointer */
case ECMA_INTERNAL_PROPERTY_NATIVE_HANDLE: /* an external pointer */
case ECMA_INTERNAL_PROPERTY_FREE_CALLBACK: /* an object's native free callback */
@@ -254,7 +254,6 @@ ecma_gc_mark_property (ecma_property_t *property_p) /**< property */
case ECMA_INTERNAL_PROPERTY_BUILT_IN_ROUTINE_DESC: /* an integer */
case ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_0_31: /* an integer (bit-mask) */
case ECMA_INTERNAL_PROPERTY_NON_INSTANTIATED_BUILT_IN_MASK_32_63: /* an integer (bit-mask) */
case ECMA_INTERNAL_PROPERTY_REGEXP_BYTECODE:
{
break;
}
jerry-core/ecma/base/ecma-globals.h
+2 -3
View File
@@ -186,9 +186,8 @@ typedef enum
ECMA_INTERNAL_PROPERTY_NATIVE_CODE, /**< native handler location descriptor */
ECMA_INTERNAL_PROPERTY_NATIVE_HANDLE, /**< native handle associated with an object */
ECMA_INTERNAL_PROPERTY_FREE_CALLBACK, /**< object's native free callback */
ECMA_INTERNAL_PROPERTY_PRIMITIVE_STRING_VALUE, /**< [[Primitive value]] for String objects */
ECMA_INTERNAL_PROPERTY_PRIMITIVE_NUMBER_VALUE, /**< [[Primitive value]] for Number objects */
ECMA_INTERNAL_PROPERTY_PRIMITIVE_BOOLEAN_VALUE, /**< [[Primitive value]] for Boolean objects */
ECMA_INTERNAL_PROPERTY_ECMA_VALUE, /**< [[Primitive value]] for String, Number, and Boolean */
ECMA_INTERNAL_PROPERTY_DATE_FLOAT, /**< float number value type for date objects */
/** Bound function internal properties **/
ECMA_INTERNAL_PROPERTY_BOUND_FUNCTION_TARGET_FUNCTION,
jerry-core/ecma/base/ecma-helpers.c
+4 -5
View File
@@ -801,15 +801,15 @@ ecma_free_internal_property (ecma_property_t *property_p) /**< the property */
switch (ECMA_PROPERTY_GET_INTERNAL_PROPERTY_TYPE (property_p))
{
case ECMA_INTERNAL_PROPERTY_PRIMITIVE_STRING_VALUE: /* compressed pointer to a ecma_string_t */
case ECMA_INTERNAL_PROPERTY_ECMA_VALUE: /* ecma-value property except object */
{
ecma_string_t *str_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_string_t, property_value);
ecma_deref_ecma_string (str_p);
JERRY_ASSERT (!ecma_is_value_object (property_value));
ecma_free_value (property_value);
break;
}
case ECMA_INTERNAL_PROPERTY_PRIMITIVE_NUMBER_VALUE: /* pointer to a ecma_number_t */
case ECMA_INTERNAL_PROPERTY_DATE_FLOAT: /* pointer to a ecma_number_t */
{
ecma_number_t *num_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_number_t, property_value);
ecma_dealloc_number (num_p);
@@ -826,7 +826,6 @@ ecma_free_internal_property (ecma_property_t *property_p) /**< the property */
break;
}
case ECMA_INTERNAL_PROPERTY_PRIMITIVE_BOOLEAN_VALUE: /* a simple boolean value */
case ECMA_INTERNAL_PROPERTY_SCOPE: /* a lexical environment */
case ECMA_INTERNAL_PROPERTY_PARAMETERS_MAP: /* an object */
case ECMA_INTERNAL_PROPERTY_CLASS: /* an enum */