------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- S Y S T E M . B O U N D E D _ S T R I N G S -- -- -- -- S p e c -- -- -- -- Copyright (C) 2016-2018, AdaCore -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ -- A very simple implentation of bounded strings, used by tracebacks package System.Bounded_Strings is type Bounded_String (Max_Length : Natural) is limited private; -- A string whose length is bounded by Max_Length. The bounded string is -- empty at initialization. procedure Append (X : in out Bounded_String; C : Character); procedure Append (X : in out Bounded_String; S : String); -- Append a character or a string to X. If the bounded string is full, -- extra characters are simply dropped. function To_String (X : Bounded_String) return String; function "+" (X : Bounded_String) return String renames To_String; -- Convert to a normal string procedure Append_Address (X : in out Bounded_String; A : Address); -- Append an address to X function Is_Full (X : Bounded_String) return Boolean; -- Return True iff X is full and any character or string will be dropped -- if appended. private type Bounded_String (Max_Length : Natural) is limited record Length : Natural := 0; -- Current length of the string Chars : String (1 .. Max_Length); -- String content end record; end System.Bounded_Strings;