source: src/examples/gc_no_raii/gcpointers.c @ 15db1ab

aaron-thesisarm-ehcleanup-dtorsctordeferred_resndemanglerenumforall-pointer-decaygc_noraiijacob/cs343-translationjenkins-sandboxmemorynew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationresolv-newwith_gc
Last change on this file since 15db1ab was 15db1ab, checked in by Thierry Delisle <tdelisle@…>, 7 years ago

added some files for the garbage collector and hack together the compilation

  • Property mode set to 100644
File size: 1.8 KB
Line 
1#include "gcpointers.h"
2
3#include "gc.h"
4
5void register_ptr(gcpointer_t* this)
6{
7        if(gcpointer_null(this)) return;
8
9        _Bool managed = gc_is_managed(this);
10
11        if(managed)
12        {
13                gc_object_header* obj = gc_get_object_for_ref(this);
14                check(obj);
15                check(gc_obj_is_valide(obj));
16                check(gc_is_managed(this) == gc_is_managed(obj->type_chain) || obj->type_chain == NULL);
17                m_next = obj->type_chain;
18                obj->type_chain = this;
19                check(obj->is_valide());
20        }
21        else
22        {
23                gc_object_header* obj = gc_get_object_ptr(this->ptr);
24                check(obj);
25                check(gc_obj_is_valide(obj));
26                check(gc_is_managed(this) == gc_is_managed(obj->root_chain) || obj->root_chain == NULL);
27                m_next = obj->root_chain;
28                obj->root_chain = this;
29                check(gc_obj_is_valide(obj));
30        }
31}
32
33void unregister_ptr(gcpointer_t* this)
34{
35        if(gcpointer_null(this)) return;
36
37        gcpointer_t** prev_next_ptr = gc_find_previous_ref(this);
38        check((*prev_next_ptr) == this);
39
40        (*prev_next_ptr) = this->next;
41}
42
43void gcpointer_ctor(gcpointer_t* this)
44{
45        this->ptr = NULL;
46        this->next = NULL;
47}
48
49void gcpointer_ctor(gcpointer_t* this, void* address)
50{
51        this->ptr = address;
52        this->next = NULL;
53
54        register_ptr(this);
55}
56
57void gcpointer_ctor(gcpointer_t* this, gcpointer_t* other)
58{
59        this->ptr = other->ptr;
60        this->next = NULL;
61
62        register_ptr(this);
63}
64
65void gcpointer_dtor(gcpointer_t* this)
66{
67        unregister_ptr(this);
68}
69
70gcpointer_t* gcpointer_assign(gcpointer_t* this, gcpointer_t* rhs)
71{
72        if(this != rhs && this->ptr != rhs->ptr)
73        {
74                unregister_ptr(this);
75
76                this->ptr = rhs->ptr;
77
78                register_ptr(this);
79        }
80
81        return this;
82}
83
84//Logical operators
85int gcpointer_equal(gcpointer_t* this, gcpointer_t* rhs)
86{
87        return this->ptr == rhs->ptr;
88}
89
90int gcpointer_not_equal(gcpointer_t* this, gcpointer_t* rhs)
91{
92        return this->ptr != rhs->ptr;
93}
94
95int gcpointer_null(gcpointer_t* this)
96{
97        return this->ptr == NULL;
98}
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