6 /* make a new array with an initial element */
7 array *factorvm::allot_array(cell capacity, cell fill_)
9 gc_root<object> fill(fill_,this);
10 gc_root<array> new_array(allot_array_internal<array>(capacity),this);
12 if(fill.value() == tag_fixnum(0))
13 memset(new_array->data(),'\0',capacity * sizeof(cell));
16 /* No need for write barrier here. Either the object is in
17 the nursery, or it was allocated directly in tenured space
18 and the write barrier is already hit for us in that case. */
20 for(i = 0; i < capacity; i++)
21 new_array->data()[i] = fill.value();
23 return new_array.untagged();
26 array *allot_array(cell capacity, cell fill_)
28 return vm->allot_array(capacity,fill_);
31 /* push a new array on the stack */
32 inline void factorvm::vmprim_array()
34 cell initial = dpop();
35 cell size = unbox_array_size();
36 dpush(tag<array>(allot_array(size,initial)));
41 PRIMITIVE_GETVM()->vmprim_array();
44 cell factorvm::allot_array_1(cell obj_)
46 gc_root<object> obj(obj_,this);
47 gc_root<array> a(allot_array_internal<array>(1),this);
48 set_array_nth(a.untagged(),0,obj.value());
52 cell allot_array_1(cell obj_)
54 return vm->allot_array_1(obj_);
57 cell factorvm::allot_array_2(cell v1_, cell v2_)
59 gc_root<object> v1(v1_,this);
60 gc_root<object> v2(v2_,this);
61 gc_root<array> a(allot_array_internal<array>(2),this);
62 set_array_nth(a.untagged(),0,v1.value());
63 set_array_nth(a.untagged(),1,v2.value());
67 cell allot_array_2(cell v1_, cell v2_)
69 return vm->allot_array_2(v1_,v2_);
72 cell factorvm::allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_)
74 gc_root<object> v1(v1_,this);
75 gc_root<object> v2(v2_,this);
76 gc_root<object> v3(v3_,this);
77 gc_root<object> v4(v4_,this);
78 gc_root<array> a(allot_array_internal<array>(4),this);
79 set_array_nth(a.untagged(),0,v1.value());
80 set_array_nth(a.untagged(),1,v2.value());
81 set_array_nth(a.untagged(),2,v3.value());
82 set_array_nth(a.untagged(),3,v4.value());
86 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_)
88 return vm->allot_array_4(v1_,v2_,v3_,v4_);
91 inline void factorvm::vmprim_resize_array()
93 array* a = untag_check<array>(dpop());
94 cell capacity = unbox_array_size();
95 dpush(tag<array>(reallot_array(a,capacity)));
98 PRIMITIVE(resize_array)
100 PRIMITIVE_GETVM()->vmprim_resize_array();
103 void growable_array::add(cell elt_)
105 factorvm* myvm = elements.myvm;
106 gc_root<object> elt(elt_,myvm);
107 if(count == array_capacity(elements.untagged()))
108 elements = myvm->reallot_array(elements.untagged(),count * 2);
110 set_array_nth(elements.untagged(),count++,elt.value());
113 void growable_array::trim()
115 factorvm *myvm = elements.myvm;
116 elements = myvm->reallot_array(elements.untagged(),count);