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------------------------------------------------------------------------------
-- --
-- GNAT SYSTEM UTILITIES --
-- --
-- C E I N F O --
-- --
-- B o d y --
-- --
-- Copyright (C) 1998-2012, 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 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. 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 COPYING3. If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- Check consistency of einfo.ads and einfo.adb. Checks that field name usage
-- is consistent, including comments mentioning fields.
-- Note that this is used both as a standalone program, and as a procedure
-- called by XEinfo. This raises an unhandled exception if it finds any
-- errors; we don't attempt any sophisticated error recovery.
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
with Ada.Strings.Unbounded.Text_IO; use Ada.Strings.Unbounded.Text_IO;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.Spitbol; use GNAT.Spitbol;
with GNAT.Spitbol.Patterns; use GNAT.Spitbol.Patterns;
with GNAT.Spitbol.Table_VString;
procedure CEinfo is
package TV renames GNAT.Spitbol.Table_VString;
use TV;
Infil : File_Type;
Lineno : Natural := 0;
Err : exception;
-- Raised on error
Fieldnm : VString;
Accessfunc : VString;
Line : VString;
Fields : GNAT.Spitbol.Table_VString.Table (500);
-- Maps field names to underlying field access name
UC : constant Pattern := Any ("ABCDEFGHIJKLMNOPQRSTUVWXYZ");
Fnam : constant Pattern := (UC & Break (' ')) * Fieldnm;
Field_Def : constant Pattern :=
"-- " & Fnam & " (" & Break (')') * Accessfunc;
Field_Ref : constant Pattern :=
" -- " & Fnam & Break ('(') & Len (1) &
Break (')') * Accessfunc;
Field_Com : constant Pattern := " -- " & Fnam & Span (' ') &
(Break (' ') or Rest) * Accessfunc;
Func_Hedr : constant Pattern := " function " & Fnam;
Func_Retn : constant Pattern := " return " & Break (' ') * Accessfunc;
Proc_Hedr : constant Pattern := " procedure " & Fnam;
Proc_Setf : constant Pattern := " Set_" & Break (' ') * Accessfunc;
procedure Next_Line;
-- Read next line trimmed from Infil into Line and bump Lineno
procedure Next_Line is
begin
Line := Get_Line (Infil);
Trim (Line);
Lineno := Lineno + 1;
end Next_Line;
-- Start of processing for CEinfo
begin
Anchored_Mode := True;
New_Line;
Open (Infil, In_File, "einfo.ads");
Put_Line ("Acquiring field names from spec");
loop
Next_Line;
exit when Match (Line, " -- Access Kinds --");
if Match (Line, Field_Def) then
Set (Fields, Fieldnm, Accessfunc);
end if;
end loop;
Put_Line ("Checking consistent references in spec");
loop
Next_Line;
exit when Match (Line, " -- Description of Defined");
end loop;
loop
Next_Line;
exit when Match (Line, " -- Component_Alignment Control");
if Match (Line, Field_Ref) then
if Accessfunc /= "synth"
and then
Accessfunc /= "special"
and then
Accessfunc /= Get (Fields, Fieldnm)
then
if Present (Fields, Fieldnm) then
Put_Line ("*** field name incorrect at line " & Lineno);
Put_Line (" found field " & Accessfunc);
Put_Line (" expecting field " & Get (Fields, Fieldnm));
else
Put_Line
("*** unknown field name " & Fieldnm & " at line " & Lineno);
end if;
raise Err;
end if;
end if;
end loop;
Close (Infil);
Open (Infil, In_File, "einfo.adb");
Lineno := 0;
Put_Line ("Check listing of fields in body");
loop
Next_Line;
exit when Match (Line, " -- Attribute Access Functions --");
if Match (Line, Field_Com)
and then Fieldnm /= "(unused)"
and then Accessfunc /= Get (Fields, Fieldnm)
then
if Present (Fields, Fieldnm) then
Put_Line ("*** field name incorrect at line " & Lineno);
Put_Line (" found field " & Accessfunc);
Put_Line (" expecting field " & Get (Fields, Fieldnm));
else
Put_Line
("*** unknown field name " & Fieldnm & " at line " & Lineno);
end if;
raise Err;
end if;
end loop;
Put_Line ("Check references in access routines in body");
loop
Next_Line;
exit when Match (Line, " -- Classification Functions --");
if Match (Line, Func_Hedr) then
null;
elsif Match (Line, Func_Retn)
and then Accessfunc /= Get (Fields, Fieldnm)
and then Fieldnm /= "Mechanism"
then
Put_Line ("*** incorrect field at line " & Lineno);
Put_Line (" found field " & Accessfunc);
Put_Line (" expecting field " & Get (Fields, Fieldnm));
raise Err;
end if;
end loop;
Put_Line ("Check references in set routines in body");
loop
Next_Line;
exit when Match (Line, " -- Attribute Set Procedures");
end loop;
loop
Next_Line;
exit when Match (Line, " ------------");
if Match (Line, Proc_Hedr) then
null;
elsif Match (Line, Proc_Setf)
and then Accessfunc /= Get (Fields, Fieldnm)
and then Fieldnm /= "Mechanism"
then
Put_Line ("*** incorrect field at line " & Lineno);
Put_Line (" found field " & Accessfunc);
Put_Line (" expecting field " & Get (Fields, Fieldnm));
raise Err;
end if;
end loop;
Close (Infil);
Put_Line ("All tests completed successfully, no errors detected");
end CEinfo;
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