3 /* the array is full of undefined data, and must be correctly filled before the
5 F_ARRAY* allot_array(CELL type, CELL capacity)
10 general_error(ERROR_NEGATIVE_ARRAY_SIZE,tag_fixnum(capacity));
12 array = allot_object(type,array_size(capacity));
13 array->capacity = tag_fixnum(capacity);
17 /* WARNING: fill must be an immediate type:
18 either be F or a fixnum.
20 if you want to use pass a pointer, you _must_ hit
21 the write barrier manually with a write_barrier()
22 call with the returned object. */
23 F_ARRAY* array(CELL type, CELL capacity, CELL fill)
25 int i; F_ARRAY* array = allot_array(type, capacity);
26 for(i = 0; i < capacity; i++)
27 put(AREF(array,i),fill);
31 void primitive_array(void)
33 CELL size = to_fixnum(dpop());
34 maybe_gc(array_size(size));
35 dpush(tag_object(array(ARRAY_TYPE,size,F)));
38 void primitive_tuple(void)
40 CELL size = to_fixnum(dpop());
41 maybe_gc(array_size(size));
42 dpush(tag_object(array(TUPLE_TYPE,size,F)));
45 void primitive_byte_array(void)
47 CELL size = to_fixnum(dpop());
48 maybe_gc(array_size(size));
49 dpush(tag_object(array(BYTE_ARRAY_TYPE,size,0)));
52 /* see note about fill in array() */
53 F_ARRAY* resize_array(F_ARRAY* array, CELL capacity, CELL fill)
58 CELL to_copy = array_capacity(array);
59 if(capacity < to_copy)
62 new_array = allot_array(untag_header(array->header),capacity);
64 memcpy(new_array + 1,array + 1,to_copy * CELLS);
66 for(i = to_copy; i < capacity; i++)
67 put(AREF(new_array,i),fill);
72 void primitive_resize_array(void)
75 CELL capacity = to_fixnum(dpeek2());
76 maybe_gc(array_size(capacity));
77 array = untag_array_fast(dpop());
78 drepl(tag_object(resize_array(array,capacity,F)));
81 void fixup_array(F_ARRAY* array)
83 int i = 0; CELL capacity = array_capacity(array);
84 for(i = 0; i < capacity; i++)
85 data_fixup((void*)AREF(array,i));
88 void collect_array(F_ARRAY* array)
90 int i = 0; CELL capacity = array_capacity(array);
91 for(i = 0; i < capacity; i++)
92 copy_handle((void*)AREF(array,i));