| 1 | extern "C" {
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| 2 | #include <stdbool.h>
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| 3 | #include <stdint.h>
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| 4 | }
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| 5 | 
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| 6 | #include <stdlib>
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| 7 | 
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| 8 | //------------------------------------------------------------------------------
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| 9 | //Declaration
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| 10 | trait allocator_c(otype T, otype allocator_t)
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| 11 | {
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| 12 |         void ctor(allocator_t* const);
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| 13 |         void dtor(allocator_t* const);
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| 14 |         void realloc(allocator_t* const, size_t);
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| 15 |         T* data(allocator_t* const);
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| 16 | };
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| 17 | 
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| 18 | forall(otype T, otype allocator_t | allocator_c(T, allocator_t))
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| 19 | struct vector
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| 20 | {
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| 21 |         allocator_t storage;
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| 22 |         size_t size;
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| 23 | };
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| 24 | 
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| 25 | int global = 3;
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| 26 | 
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| 27 | struct card_table_t
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| 28 | {
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| 29 |         size_t count;
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| 30 |         void* cards_start[100];
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| 31 | };
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| 32 | 
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| 33 | static inline void ctor(card_table_t* const this)
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| 34 | {
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| 35 |         this->count = 0;
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| 36 | }
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| 37 | 
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| 38 | struct gc_memory_pool
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| 39 | {
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| 40 |         struct memory_pool* mirror;
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| 41 |         struct memory_pool* next;
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| 42 | 
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| 43 |         uint8_t type_code;
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| 44 | 
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| 45 |         card_table_t* cards;
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| 46 | 
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| 47 |         uint8_t* end_p;
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| 48 |         uint8_t* free_p;
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| 49 |         uint8_t start_p[1];
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| 50 | };
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| 51 | 
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| 52 | void ctor(      gc_memory_pool *const this,
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| 53 |                 size_t size,
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| 54 |                 gc_memory_pool* next,
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| 55 |                 gc_memory_pool* mirror,
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| 56 |                 uint8_t type
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| 57 |         );
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| 58 | 
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| 59 | void dtor(gc_memory_pool *const this);
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| 60 | 
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| 61 | struct gc_pool_object_iterator
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| 62 | {
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| 63 |         struct gc_object_header* object;
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| 64 |         #ifndef NDEBUG
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| 65 |                 intptr_t lower_limit;
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| 66 |                 intptr_t upper_limit;
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| 67 |         #endif
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| 68 | };
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| 69 | 
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| 70 | void ctor(
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| 71 |                 gc_pool_object_iterator* const this,
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| 72 |                 void* start_object
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| 73 |                 #ifndef NDEBUG
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| 74 |                         , intptr_t pool_start
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| 75 |                         , intptr_t pool_end
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| 76 |                 #endif
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| 77 |         );
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| 78 | 
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| 79 | bool ?!=?(const gc_pool_object_iterator lhs, const gc_pool_object_iterator rhs);
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| 80 | 
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| 81 | gc_pool_object_iterator begin(gc_memory_pool* const this);
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| 82 | gc_pool_object_iterator end(gc_memory_pool* const);
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| 83 | 
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| 84 | gc_pool_object_iterator* ++?(gc_pool_object_iterator* it);
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| 85 | 
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| 86 | const void* *?(const gc_pool_object_iterator it);
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| 87 | void* *?(gc_pool_object_iterator it);
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| 88 | 
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| 89 | static inline bool gc_pool_is_from_space(const gc_memory_pool* pool)
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| 90 | {
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| 91 |         return false;
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| 92 | }
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| 93 | 
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| 94 | void gc_reset_pool(gc_memory_pool* const pool);
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| 95 | 
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| 96 | static inline size_t gc_pool_size_used(const gc_memory_pool* pool)
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| 97 | {
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| 98 |         return pool->free_p - pool->start_p;
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| 99 | }
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| 100 | 
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| 101 | static inline size_t gc_pool_size_total(const gc_memory_pool* pool)
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| 102 | {
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| 103 |         return pool->end_p - pool->start_p;
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| 104 | }
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| 105 | 
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| 106 | static inline size_t gc_pool_size_left(const gc_memory_pool* pool)
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| 107 | {
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| 108 |         return pool->end_p - pool->free_p;
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| 109 | }
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| 110 | 
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| 111 | void* gc_pool_allocate(gc_memory_pool* const pool, size_t size, bool zero);
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| 112 | 
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| 113 | gc_pool_object_iterator gc_pool_iterator_for(gc_memory_pool* const pool, void* member);
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| 114 | 
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| 115 | void ctor(gc_memory_pool *const this, size_t size, gc_memory_pool* next, gc_memory_pool* mirror, uint8_t type)
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| 116 | {
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| 117 |         this->mirror = mirror;
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| 118 |         this->next = next;
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| 119 |         this->type_code = type;
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| 120 | 
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| 121 |         this->cards = malloc();
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| 122 |         ctor(this->cards);
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| 123 | 
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| 124 |         this->end_p = ((uint8_t*)this) + size;
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| 125 |         this->free_p = this->start_p;
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| 126 | 
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| 127 |         // check(gc_pool_of(this) == this);
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| 128 |         // check(this->cards);
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| 129 |         // gc_reset_pool(this);
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| 130 | }
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