factor/native/array.c

59 lines
1.1 KiB
C

#include "factor.h"
/* untagged */
ARRAY* allot_array(CELL capacity)
{
ARRAY* array = allot_object(ARRAY_TYPE,
sizeof(ARRAY) + capacity * CELLS);
array->capacity = capacity;
return array;
}
/* untagged */
ARRAY* array(CELL capacity, CELL fill)
{
int i;
ARRAY* array = allot_array(capacity);
for(i = 0; i < capacity; i++)
put(AREF(array,i),fill);
return array;
}
ARRAY* grow_array(ARRAY* array, CELL capacity, CELL fill)
{
/* later on, do an optimization: if end of array is here, just grow */
int i;
ARRAY* new_array = allot_array(capacity);
memcpy(new_array + 1,array + 1,array->capacity * CELLS);
for(i = array->capacity; i < capacity; i++)
put(AREF(new_array,i),fill);
return new_array;
}
void fixup_array(ARRAY* array)
{
int i = 0;
for(i = 0; i < array->capacity; i++)
fixup((void*)AREF(array,i));
}
void collect_array(ARRAY* array)
{
int i = 0;
for(i = 0; i < array->capacity; i++)
copy_object((void*)AREF(array,i));
}
/* copy an array to newspace */
ARRAY* copy_array(ARRAY* array)
{
return copy_untagged_object(array,ASIZE(array));
}