| ------------------------------------------------------------------------------ |
| -- -- |
| -- 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) 2016-2022, 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 -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- 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; |