diff options
Diffstat (limited to 'gcc-4.3.1/gcc/ada/s-imgcha.adb')
| -rw-r--r-- | gcc-4.3.1/gcc/ada/s-imgcha.adb | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/gcc-4.3.1/gcc/ada/s-imgcha.adb b/gcc-4.3.1/gcc/ada/s-imgcha.adb new file mode 100644 index 000000000..a8d7c10bc --- /dev/null +++ b/gcc-4.3.1/gcc/ada/s-imgcha.adb @@ -0,0 +1,172 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . I M G _ C H A R -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 1992-2007, 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. -- +-- -- +-- As a special exception, if other files instantiate generics from this -- +-- unit, or you link this unit with other files to produce an executable, -- +-- this unit does not by itself cause the resulting executable to be -- +-- covered by the GNU General Public License. This exception does not -- +-- however invalidate any other reasons why the executable file might be -- +-- covered by the GNU Public License. -- +-- -- +-- GNAT was originally developed by the GNAT team at New York University. -- +-- Extensive contributions were provided by Ada Core Technologies Inc. -- +-- -- +------------------------------------------------------------------------------ + +package body System.Img_Char is + + --------------------- + -- Image_Character -- + --------------------- + + procedure Image_Character + (V : Character; + S : in out String; + P : out Natural) + is + pragma Assert (S'First = 1); + + subtype Cname is String (1 .. 3); + + subtype C0_Range is Character + range Character'Val (16#00#) .. Character'Val (16#1F#); + + C0 : constant array (C0_Range) of Cname := + (Character'Val (16#00#) => "NUL", + Character'Val (16#01#) => "SOH", + Character'Val (16#02#) => "STX", + Character'Val (16#03#) => "ETX", + Character'Val (16#04#) => "EOT", + Character'Val (16#05#) => "ENQ", + Character'Val (16#06#) => "ACK", + Character'Val (16#07#) => "BEL", + Character'Val (16#08#) => "BS ", + Character'Val (16#09#) => "HT ", + Character'Val (16#0A#) => "LF ", + Character'Val (16#0B#) => "VT ", + Character'Val (16#0C#) => "FF ", + Character'Val (16#0D#) => "CR ", + Character'Val (16#0E#) => "SO ", + Character'Val (16#0F#) => "SI ", + Character'Val (16#10#) => "DLE", + Character'Val (16#11#) => "DC1", + Character'Val (16#12#) => "DC2", + Character'Val (16#13#) => "DC3", + Character'Val (16#14#) => "DC4", + Character'Val (16#15#) => "NAK", + Character'Val (16#16#) => "SYN", + Character'Val (16#17#) => "ETB", + Character'Val (16#18#) => "CAN", + Character'Val (16#19#) => "EM ", + Character'Val (16#1A#) => "SUB", + Character'Val (16#1B#) => "ESC", + Character'Val (16#1C#) => "FS ", + Character'Val (16#1D#) => "GS ", + Character'Val (16#1E#) => "RS ", + Character'Val (16#1F#) => "US "); + + subtype C1_Range is Character + range Character'Val (16#7F#) .. Character'Val (16#9F#); + + C1 : constant array (C1_Range) of Cname := + (Character'Val (16#7F#) => "DEL", + Character'Val (16#80#) => "res", + Character'Val (16#81#) => "res", + Character'Val (16#82#) => "BPH", + Character'Val (16#83#) => "NBH", + Character'Val (16#84#) => "res", + Character'Val (16#85#) => "NEL", + Character'Val (16#86#) => "SSA", + Character'Val (16#87#) => "ESA", + Character'Val (16#88#) => "HTS", + Character'Val (16#89#) => "HTJ", + Character'Val (16#8A#) => "VTS", + Character'Val (16#8B#) => "PLD", + Character'Val (16#8C#) => "PLU", + Character'Val (16#8D#) => "RI ", + Character'Val (16#8E#) => "SS2", + Character'Val (16#8F#) => "SS3", + Character'Val (16#90#) => "DCS", + Character'Val (16#91#) => "PU1", + Character'Val (16#92#) => "PU2", + Character'Val (16#93#) => "STS", + Character'Val (16#94#) => "CCH", + Character'Val (16#95#) => "MW ", + Character'Val (16#96#) => "SPA", + Character'Val (16#97#) => "EPA", + Character'Val (16#98#) => "SOS", + Character'Val (16#99#) => "res", + Character'Val (16#9A#) => "SCI", + Character'Val (16#9B#) => "CSI", + Character'Val (16#9C#) => "ST ", + Character'Val (16#9D#) => "OSC", + Character'Val (16#9E#) => "PM ", + Character'Val (16#9F#) => "APC"); + + begin + -- Control characters are represented by their names (RM 3.5(32)) + + if V in C0_Range then + S (1 .. 3) := C0 (V); + + if S (3) = ' ' then + P := 2; + else + P := 3; + end if; + + elsif V in C1_Range then + S (1 .. 3) := C1 (V); + + if S (1) /= 'r' then + if S (3) = ' ' then + P := 2; + else + P := 3; + end if; + + -- Special case, res means RESERVED_nnn where nnn is the three digit + -- decimal value corresponding to the code position (more efficient + -- to compute than to store!) + + else + declare + VP : constant Natural := Character'Pos (V); + begin + S (1 .. 9) := "RESERVED_"; + S (10) := Character'Val (48 + VP / 100); + S (11) := Character'Val (48 + (VP / 10) mod 10); + S (12) := Character'Val (48 + VP mod 10); + P := 12; + end; + end if; + + -- Normal characters yield the character enlosed in quotes (RM 3.5(32)) + + else + S (1) := '''; + S (2) := V; + S (3) := '''; + P := 3; + end if; + end Image_Character; + +end System.Img_Char; |