56 lines
2.1 KiB
Ada
56 lines
2.1 KiB
Ada
with System;
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with System.Storage_Pools;
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with System.Atomic_Counters;
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with Ada.Finalization;
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package H3 is
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--pragma Preelaborate (H2);
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System_Byte_Bits: constant := System.Storage_Unit;
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System_Word_Bits: constant := System.Word_Size;
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System_Word_Bytes: constant := System_Word_Bits / System_Byte_Bits;
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type System_Byte is mod 2 ** System_Byte_Bits;
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for System_Byte'Size use System_Byte_Bits;
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type System_Word is mod 2 ** System_Word_Bits;
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for System_Word'Size use System_Word_Bits;
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type System_Signed_Word is range -(2 ** (System_Word_Bits - 1)) ..
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+(2 ** (System_Word_Bits - 1)) - 1;
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for System_Signed_Word'Size use System_Word_Bits;
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--type System_Size is new System_Word range 0 .. (2 ** System_Word_Bits) - 1;
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subtype System_Size is System_Word range 0 .. (2 ** System_Word_Bits) - 1;
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--subtype System_Index is System_Size range 0 .. (System_Size'Last - 1);
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subtype System_Index is System_Size range 1 .. System_Size'Last;
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type Storage_Pool_Pointer is access all System.Storage_Pools.Root_Storage_Pool'Class;
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type System_Byte_Array is array(System_Index range<>) of System_Byte;
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-- ---------------------------------------------------------------------
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-- Utilities Functions
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-- ---------------------------------------------------------------------
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function Align (X: in System_Size; Y: in System_Size) return System_Size;
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pragma Inline(Align);
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-- ---------------------------------------------------------------------
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-- Reference Counting
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-- ---------------------------------------------------------------------
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-- type Ref_Counted is abstract tagged record
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-- --Ref_Count: System.Atomic_Counters.Atomic_Counter;
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-- Ref_Count: System_Size;
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-- end record;
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-- type Ref_Counted_Pointer is access all Ref_Counted'Class;
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-- type Ref is new Ada.Finalization.Controlled with record
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-- Data: Ref_Counted_Pointer;
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-- end record;
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-- procedure Set (R: in out Ref; Data: in Ref_Counted_Pointer);
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-- function Get (R: in Ref) return Ref_Counted_Pointer;
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-- overriding procedure Adjust (R: in out Ref);
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-- overriding procedure Finalize (R: in out Ref);
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end H3;
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