7 byte_array *factor_vm::allot_byte_array(cell size)
9 byte_array *array = allot_uninitialized_array<byte_array>(size);
10 memset(array + 1,0,size);
14 /* Allocates memory */
15 void factor_vm::primitive_byte_array()
17 cell size = unbox_array_size();
18 ctx->push(tag<byte_array>(allot_byte_array(size)));
21 /* Allocates memory */
22 void factor_vm::primitive_uninitialized_byte_array()
24 cell size = unbox_array_size();
25 ctx->push(tag<byte_array>(allot_uninitialized_array<byte_array>(size)));
28 /* Allocates memory */
29 void factor_vm::primitive_resize_byte_array()
31 data_root<byte_array> array(ctx->pop(),this);
32 array.untag_check(this);
33 cell capacity = unbox_array_size();
34 ctx->push(tag<byte_array>(reallot_array(array.untagged(),capacity)));
37 /* Allocates memory */
38 void growable_byte_array::grow_bytes(cell len)
41 if(count >= array_capacity(elements.untagged()))
42 elements = elements.parent->reallot_array(elements.untagged(),count * 2);
45 /* Allocates memory */
46 void growable_byte_array::append_bytes(void *elts, cell len)
48 cell old_count = count;
50 memcpy(&elements->data<u8>()[old_count],elts,len);
53 /* Allocates memory */
54 void growable_byte_array::append_byte_array(cell byte_array_)
56 data_root<byte_array> byte_array(byte_array_,elements.parent);
58 cell len = array_capacity(byte_array.untagged());
59 cell new_size = count + len;
60 factor_vm *parent = elements.parent;
61 if(new_size >= array_capacity(elements.untagged()))
62 elements = parent->reallot_array(elements.untagged(),new_size * 2);
64 memcpy(&elements->data<u8>()[count],byte_array->data<u8>(),len);
69 /* Allocates memory */
70 void growable_byte_array::trim()
72 factor_vm *parent = elements.parent;
73 elements = parent->reallot_array(elements.untagged(),count);