1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2014, Free Software Foundation, Inc. --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 3, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING3. If not, go to --
19 -- http://www.gnu.org/licenses for a complete copy of the license. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
27 with Osint.C; use Osint.C;
28 with Stringt; use Stringt;
30 package body Lib.Util is
32 Max_Line : constant Natural := 2 * Hostparm.Max_Name_Length + 64;
33 Max_Buffer : constant Natural := 1000 * Max_Line;
35 Info_Buffer : String (1 .. Max_Buffer);
36 -- Info_Buffer used to prepare lines of library output
38 Info_Buffer_Len : Natural := 0;
39 -- Number of characters stored in Info_Buffer
41 Info_Buffer_Col : Natural := 1;
42 -- Column number of next character to be written.
43 -- Can be different from Info_Buffer_Len + 1 because of tab characters
44 -- written by Write_Info_Tab.
46 procedure Write_Info_Hex_Byte (J : Natural);
47 -- Place two hex digits representing the value J (which is in the range
48 -- 0-255) in Info_Buffer, incrementing Info_Buffer_Len by 2. The digits
49 -- are output using lower case letters.
55 procedure Write_Info_Char (C : Character) is
57 Info_Buffer_Len := Info_Buffer_Len + 1;
58 Info_Buffer (Info_Buffer_Len) := C;
59 Info_Buffer_Col := Info_Buffer_Col + 1;
62 --------------------------
63 -- Write_Info_Char_Code --
64 --------------------------
66 procedure Write_Info_Char_Code (Code : Char_Code) is
70 if Code <= 16#7F# then
71 Write_Info_Char (Character'Val (Code));
75 elsif Code <= 16#FF# then
76 Write_Info_Char ('U');
77 Write_Info_Hex_Byte (Natural (Code));
82 Write_Info_Char ('W');
83 Write_Info_Hex_Byte (Natural (Code / 256));
84 Write_Info_Hex_Byte (Natural (Code mod 256));
86 end Write_Info_Char_Code;
92 function Write_Info_Col return Positive is
94 return Info_Buffer_Col;
101 procedure Write_Info_EOL is
103 if Info_Buffer_Len + Max_Line + 1 > Max_Buffer then
104 Write_Info_Terminate;
107 -- Delete any trailing blanks
109 while Info_Buffer_Len > 0
110 and then Info_Buffer (Info_Buffer_Len) = ' '
112 Info_Buffer_Len := Info_Buffer_Len - 1;
115 Info_Buffer_Len := Info_Buffer_Len + 1;
116 Info_Buffer (Info_Buffer_Len) := ASCII.LF;
117 Info_Buffer_Col := 1;
121 -------------------------
122 -- Write_Info_Hex_Byte --
123 -------------------------
125 procedure Write_Info_Hex_Byte (J : Natural) is
126 Hexd : constant array (0 .. 15) of Character := "0123456789abcdef";
128 Write_Info_Char (Hexd (J / 16));
129 Write_Info_Char (Hexd (J mod 16));
130 end Write_Info_Hex_Byte;
132 -------------------------
133 -- Write_Info_Initiate --
134 -------------------------
136 procedure Write_Info_Initiate (Key : Character) renames Write_Info_Char;
142 procedure Write_Info_Int (N : Int) is
147 -- Negative numbers, use Write_Info_Uint to avoid problems with largest
151 Write_Info_Uint (UI_From_Int (N));
155 ---------------------
156 -- Write_Info_Name --
157 ---------------------
159 procedure Write_Info_Name (Name : Name_Id) is
161 Get_Name_String (Name);
162 Info_Buffer (Info_Buffer_Len + 1 .. Info_Buffer_Len + Name_Len) :=
163 Name_Buffer (1 .. Name_Len);
164 Info_Buffer_Len := Info_Buffer_Len + Name_Len;
165 Info_Buffer_Col := Info_Buffer_Col + Name_Len;
168 procedure Write_Info_Name (Name : File_Name_Type) is
170 Write_Info_Name (Name_Id (Name));
173 procedure Write_Info_Name (Name : Unit_Name_Type) is
175 Write_Info_Name (Name_Id (Name));
178 -----------------------------------
179 -- Write_Info_Name_May_Be_Quoted --
180 -----------------------------------
182 procedure Write_Info_Name_May_Be_Quoted (Name : File_Name_Type) is
183 Quoted : Boolean := False;
187 Get_Name_String (Name);
189 -- The file/path name is quoted only if it includes spaces
191 for J in 1 .. Name_Len loop
192 if Name_Buffer (J) = ' ' then
198 -- Deal with quoting string if needed
201 Insert_Str_In_Name_Buffer ("""", 1);
202 Add_Char_To_Name_Buffer ('"');
204 -- Any character '"' is doubled
207 while Cur < Name_Len loop
208 if Name_Buffer (Cur) = '"' then
209 Insert_Str_In_Name_Buffer ("""", Cur);
217 Info_Buffer (Info_Buffer_Len + 1 .. Info_Buffer_Len + Name_Len) :=
218 Name_Buffer (1 .. Name_Len);
219 Info_Buffer_Len := Info_Buffer_Len + Name_Len;
220 Info_Buffer_Col := Info_Buffer_Col + Name_Len;
221 end Write_Info_Name_May_Be_Quoted;
227 procedure Write_Info_Nat (N : Nat) is
230 Write_Info_Nat (N / 10);
233 Write_Info_Char (Character'Val (N mod 10 + Character'Pos ('0')));
236 ---------------------
237 -- Write_Info_Slit --
238 ---------------------
240 procedure Write_Info_Slit (S : String_Id) is
244 Write_Info_Str ("""");
246 for J in 1 .. String_Length (S) loop
247 C := Get_Character (Get_String_Char (S, J));
249 if C in Character'Val (16#20#) .. Character'Val (16#7E#)
259 Write_Info_Char ('{');
260 Write_Info_Hex_Byte (Character'Pos (C));
261 Write_Info_Char ('}');
265 Write_Info_Char ('"');
272 procedure Write_Info_Str (Val : String) is
274 Info_Buffer (Info_Buffer_Len + 1 .. Info_Buffer_Len + Val'Length)
276 Info_Buffer_Len := Info_Buffer_Len + Val'Length;
277 Info_Buffer_Col := Info_Buffer_Col + Val'Length;
284 procedure Write_Info_Tab (Col : Positive) is
288 if Col <= Info_Buffer_Col then
289 Write_Info_Str (" ");
292 Next_Tab := 8 * ((Info_Buffer_Col - 1) / 8) + 8 + 1;
293 exit when Col < Next_Tab;
294 Write_Info_Char (ASCII.HT);
295 Info_Buffer_Col := Next_Tab;
298 while Info_Buffer_Col < Col loop
299 Write_Info_Char (' ');
304 --------------------------
305 -- Write_Info_Terminate --
306 --------------------------
308 procedure Write_Info_Terminate is
310 -- Delete any trailing blanks
312 while Info_Buffer_Len > 0
313 and then Info_Buffer (Info_Buffer_Len) = ' '
315 Info_Buffer_Len := Info_Buffer_Len - 1;
318 -- Write_Library_Info adds the EOL
320 Write_Library_Info (Info_Buffer (1 .. Info_Buffer_Len));
322 Info_Buffer_Len := 0;
323 Info_Buffer_Col := 1;
324 end Write_Info_Terminate;
326 ---------------------
327 -- Write_Info_Uint --
328 ---------------------
330 procedure Write_Info_Uint (N : Uint) is
332 UI_Image (N, Decimal);
333 Write_Info_Str (UI_Image_Buffer (1 .. UI_Image_Length));