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Generational mark and sweep GC.

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This commit is contained in:
Ruben Ayrapetyan
2014-08-07 14:54:32 +04:00
parent ba6713e295
commit e3cd8ee942
15 changed files with 475 additions and 180 deletions
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src/libecmaobjects/ecma-helpers-value.c
+17 -7
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@@ -162,7 +162,7 @@ ecma_make_object_value( ecma_object_t* object_p) /**< object to reference in val
* and return new ecma-value
* pointing to copy of the number/string;
* case object;
* increase reference counter of the object
* increase reference counter of the object if do_ref_if_object is true
* and return the value as it was passed.
*
* TODO:
@@ -171,7 +171,9 @@ ecma_make_object_value( ecma_object_t* object_p) /**< object to reference in val
* @return See note.
*/
ecma_value_t
ecma_copy_value( const ecma_value_t value) /**< ecma-value */
ecma_copy_value( const ecma_value_t value, /**< ecma-value */
bool do_ref_if_object) /**< if the value is object value,
increment reference counter of object */
{
ecma_value_t value_copy;
@@ -213,7 +215,10 @@ ecma_copy_value( const ecma_value_t value) /**< ecma-value */
ecma_object_t *obj_p = ecma_get_pointer( value.value);
JERRY_ASSERT( obj_p != NULL );
ecma_ref_object( obj_p);
if ( do_ref_if_object )
{
ecma_ref_object( obj_p);
}
value_copy = value;
@@ -232,7 +237,9 @@ ecma_copy_value( const ecma_value_t value) /**< ecma-value */
* Free the ecma-value
*/
void
ecma_free_value( ecma_value_t value) /**< value description */
ecma_free_value( ecma_value_t value, /**< value description */
bool do_deref_if_object) /**< if the value is object value,
decrement reference counter of object */
{
switch ( (ecma_type_t) value.value_type )
{
@@ -258,7 +265,10 @@ ecma_free_value( ecma_value_t value) /**< value description */
case ECMA_TYPE_OBJECT:
{
ecma_deref_object( ecma_get_pointer( value.value));
if ( do_deref_if_object )
{
ecma_deref_object( ecma_get_pointer( value.value));
}
break;
}
@@ -339,7 +349,7 @@ ecma_completion_value_t
ecma_copy_completion_value( ecma_completion_value_t value) /**< completion value */
{
return ecma_make_completion_value( value.type,
ecma_copy_value( value.value),
ecma_copy_value( value.value, true),
value.target);
} /* ecma_copy_completion_value */
@@ -354,7 +364,7 @@ ecma_free_completion_value( ecma_completion_value_t completion_value) /**< compl
case ECMA_COMPLETION_TYPE_NORMAL:
case ECMA_COMPLETION_TYPE_THROW:
case ECMA_COMPLETION_TYPE_RETURN:
ecma_free_value( completion_value.value);
ecma_free_value( completion_value.value, true);
break;
case ECMA_COMPLETION_TYPE_CONTINUE:
case ECMA_COMPLETION_TYPE_BREAK: