------------------------------------------------------------------------------ -- -- -- GNAT COMPILER COMPONENTS -- -- -- -- L I B . U T I L -- -- -- -- B o d y -- -- -- -- -- -- Copyright (C) 1992-2001 Free Software Foundation, Inc. -- -- -- -- 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 2, 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. See the GNU General Public License -- -- for more details. You should have received a copy of the GNU General -- -- Public License distributed with GNAT; see file COPYING. If not, write -- -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, -- -- MA 02111-1307, USA. -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ with Hostparm; with Namet; use Namet; with Osint.C; use Osint.C; package body Lib.Util is Max_Line : constant Natural := 2 * Hostparm.Max_Name_Length + 64; Max_Buffer : constant Natural := 1000 * Max_Line; Info_Buffer : String (1 .. Max_Buffer); -- Info_Buffer used to prepare lines of library output Info_Buffer_Len : Natural := 0; -- Number of characters stored in Info_Buffer Info_Buffer_Col : Natural := 1; -- Column number of next character to be written. -- Can be different from Info_Buffer_Len + 1 -- because of tab characters written by Write_Info_Tab. --------------------- -- Write_Info_Char -- --------------------- procedure Write_Info_Char (C : Character) is begin Info_Buffer_Len := Info_Buffer_Len + 1; Info_Buffer (Info_Buffer_Len) := C; Info_Buffer_Col := Info_Buffer_Col + 1; end Write_Info_Char; -------------------------- -- Write_Info_Char_Code -- -------------------------- procedure Write_Info_Char_Code (Code : Char_Code) is procedure Write_Info_Hex_Byte (J : Natural); -- Write single hex digit procedure Write_Info_Hex_Byte (J : Natural) is Hexd : String := "0123456789abcdef"; begin Write_Info_Char (Hexd (J / 16 + 1)); Write_Info_Char (Hexd (J mod 16 + 1)); end Write_Info_Hex_Byte; -- Start of processing for Write_Info_Char_Code begin if Code in 16#00# .. 16#7F# then Write_Info_Char (Character'Val (Code)); elsif Code in 16#80# .. 16#FF# then Write_Info_Char ('U'); Write_Info_Hex_Byte (Natural (Code)); else Write_Info_Char ('W'); Write_Info_Hex_Byte (Natural (Code / 256)); Write_Info_Hex_Byte (Natural (Code mod 256)); end if; end Write_Info_Char_Code; -------------------- -- Write_Info_Col -- -------------------- function Write_Info_Col return Positive is begin return Info_Buffer_Col; end Write_Info_Col; -------------------- -- Write_Info_EOL -- -------------------- procedure Write_Info_EOL is begin if Hostparm.OpenVMS or else Info_Buffer_Len + Max_Line + 1 > Max_Buffer then Write_Info_Terminate; else -- Delete any trailing blanks while Info_Buffer_Len > 0 and then Info_Buffer (Info_Buffer_Len) = ' ' loop Info_Buffer_Len := Info_Buffer_Len - 1; end loop; Info_Buffer_Len := Info_Buffer_Len + 1; Info_Buffer (Info_Buffer_Len) := ASCII.LF; Info_Buffer_Col := 1; end if; end Write_Info_EOL; ------------------------- -- Write_Info_Initiate -- ------------------------- procedure Write_Info_Initiate (Key : Character) renames Write_Info_Char; --------------------- -- Write_Info_Name -- --------------------- procedure Write_Info_Name (Name : Name_Id) is begin Get_Name_String (Name); Info_Buffer (Info_Buffer_Len + 1 .. Info_Buffer_Len + Name_Len) := Name_Buffer (1 .. Name_Len); Info_Buffer_Len := Info_Buffer_Len + Name_Len; Info_Buffer_Col := Info_Buffer_Col + Name_Len; end Write_Info_Name; -------------------- -- Write_Info_Nat -- -------------------- procedure Write_Info_Nat (N : Nat) is begin if N > 9 then Write_Info_Nat (N / 10); end if; Write_Info_Char (Character'Val (N mod 10 + Character'Pos ('0'))); end Write_Info_Nat; -------------------- -- Write_Info_Str -- -------------------- procedure Write_Info_Str (Val : String) is begin Info_Buffer (Info_Buffer_Len + 1 .. Info_Buffer_Len + Val'Length) := Val; Info_Buffer_Len := Info_Buffer_Len + Val'Length; Info_Buffer_Col := Info_Buffer_Col + Val'Length; end Write_Info_Str; -------------------- -- Write_Info_Tab -- -------------------- procedure Write_Info_Tab (Col : Positive) is Next_Tab : Positive; begin if Col <= Info_Buffer_Col then Write_Info_Str (" "); else loop Next_Tab := 8 * ((Info_Buffer_Col - 1) / 8) + 8 + 1; exit when Col < Next_Tab; Write_Info_Char (ASCII.HT); Info_Buffer_Col := Next_Tab; end loop; while Info_Buffer_Col < Col loop Write_Info_Char (' '); end loop; end if; end Write_Info_Tab; -------------------------- -- Write_Info_Terminate -- -------------------------- procedure Write_Info_Terminate is begin -- Delete any trailing blanks while Info_Buffer_Len > 0 and then Info_Buffer (Info_Buffer_Len) = ' ' loop Info_Buffer_Len := Info_Buffer_Len - 1; end loop; -- Write_Library_Info adds the EOL Write_Library_Info (Info_Buffer (1 .. Info_Buffer_Len)); Info_Buffer_Len := 0; Info_Buffer_Col := 1; end Write_Info_Terminate; end Lib.Util;