62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
#include "factor.h"
|
|
|
|
/* untagged */
|
|
F_ARRAY* allot_array(CELL type, F_FIXNUM capacity)
|
|
{
|
|
F_ARRAY* array;
|
|
if(capacity < 0)
|
|
general_error(ERROR_NEGATIVE_ARRAY_SIZE,tag_fixnum(capacity));
|
|
array = allot_object(type,sizeof(F_ARRAY) + capacity * CELLS);
|
|
array->capacity = capacity;
|
|
return array;
|
|
}
|
|
|
|
/* untagged */
|
|
F_ARRAY* array(F_FIXNUM capacity, CELL fill)
|
|
{
|
|
int i;
|
|
|
|
F_ARRAY* array = allot_array(ARRAY_TYPE, capacity);
|
|
|
|
for(i = 0; i < capacity; i++)
|
|
put(AREF(array,i),fill);
|
|
|
|
return array;
|
|
}
|
|
|
|
F_ARRAY* grow_array(F_ARRAY* array, F_FIXNUM capacity, CELL fill)
|
|
{
|
|
/* later on, do an optimization: if end of array is here, just grow */
|
|
int i;
|
|
|
|
F_ARRAY* new_array = allot_array(untag_header(array->header),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;
|
|
}
|
|
|
|
F_ARRAY* shrink_array(F_ARRAY* array, F_FIXNUM capacity)
|
|
{
|
|
F_ARRAY* new_array = allot_array(untag_header(array->header),capacity);
|
|
memcpy(new_array + 1,array + 1,capacity * CELLS);
|
|
return new_array;
|
|
}
|
|
|
|
void fixup_array(F_ARRAY* array)
|
|
{
|
|
int i = 0;
|
|
for(i = 0; i < array->capacity; i++)
|
|
fixup((void*)AREF(array,i));
|
|
}
|
|
|
|
void collect_array(F_ARRAY* array)
|
|
{
|
|
int i = 0;
|
|
for(i = 0; i < array->capacity; i++)
|
|
copy_object((void*)AREF(array,i));
|
|
}
|