| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- L I B . U T I L -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 1992-2002 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, 51 Franklin Street, Fifth Floor, -- |
| -- Boston, MA 02110-1301, 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 : constant 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 |
| -- LLVM local |
| if Code <= 16#7F# then |
| Write_Info_Char (Character'Val (Code)); |
| |
| -- LLVM local |
| elsif Code <= 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; |