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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- S T Y L E S W --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2005, 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 Opt; use Opt;
package body Stylesw is
-------------------------------
-- Reset_Style_Check_Options --
-------------------------------
procedure Reset_Style_Check_Options is
begin
Style_Check_Indentation := 0;
Style_Check_Attribute_Casing := False;
Style_Check_Blanks_At_End := False;
Style_Check_Blank_Lines := False;
Style_Check_Comments := False;
Style_Check_DOS_Line_Terminator := False;
Style_Check_End_Labels := False;
Style_Check_Form_Feeds := False;
Style_Check_Horizontal_Tabs := False;
Style_Check_If_Then_Layout := False;
Style_Check_Keyword_Casing := False;
Style_Check_Layout := False;
Style_Check_Max_Line_Length := False;
Style_Check_Max_Nesting_Level := False;
Style_Check_Order_Subprograms := False;
Style_Check_Pragma_Casing := False;
Style_Check_References := False;
Style_Check_Specs := False;
Style_Check_Standard := False;
Style_Check_Tokens := False;
Style_Check_Xtra_Parens := False;
end Reset_Style_Check_Options;
------------------------------
-- Save_Style_Check_Options --
------------------------------
procedure Save_Style_Check_Options (Options : out Style_Check_Options) is
P : Natural := 0;
procedure Add (C : Character; S : Boolean);
-- Add given character C to string if switch S is true
procedure Add_Nat (N : Nat);
-- Add given natural number to string
---------
-- Add --
---------
procedure Add (C : Character; S : Boolean) is
begin
if S then
P := P + 1;
Options (P) := C;
end if;
end Add;
-------------
-- Add_Nat --
-------------
procedure Add_Nat (N : Nat) is
begin
if N > 9 then
Add_Nat (N / 10);
end if;
P := P + 1;
Options (P) := Character'Val (Character'Pos ('0') + N mod 10);
end Add_Nat;
-- Start of processing for Save_Style_Check_Options
begin
for K in Options'Range loop
Options (K) := ' ';
end loop;
Add (Character'Val (Style_Check_Indentation + Character'Pos ('0')),
Style_Check_Indentation /= 0);
Add ('a', Style_Check_Attribute_Casing);
Add ('b', Style_Check_Blanks_At_End);
Add ('c', Style_Check_Comments);
Add ('d', Style_Check_DOS_Line_Terminator);
Add ('e', Style_Check_End_Labels);
Add ('f', Style_Check_Form_Feeds);
Add ('h', Style_Check_Horizontal_Tabs);
Add ('i', Style_Check_If_Then_Layout);
Add ('k', Style_Check_Keyword_Casing);
Add ('l', Style_Check_Layout);
Add ('n', Style_Check_Standard);
Add ('o', Style_Check_Order_Subprograms);
Add ('p', Style_Check_Pragma_Casing);
Add ('r', Style_Check_References);
Add ('s', Style_Check_Specs);
Add ('t', Style_Check_Tokens);
Add ('u', Style_Check_Blank_Lines);
Add ('x', Style_Check_Xtra_Parens);
if Style_Check_Max_Line_Length then
P := P + 1;
Options (P) := 'M';
Add_Nat (Style_Max_Line_Length);
end if;
if Style_Check_Max_Nesting_Level then
P := P + 1;
Options (P) := 'L';
Add_Nat (Style_Max_Nesting_Level);
end if;
pragma Assert (P <= Options'Last);
while P < Options'Last loop
P := P + 1;
Options (P) := ' ';
end loop;
end Save_Style_Check_Options;
-------------------------------------
-- Set_Default_Style_Check_Options --
-------------------------------------
procedure Set_Default_Style_Check_Options is
begin
Reset_Style_Check_Options;
Set_Style_Check_Options ("3abcefhiklmnprst");
end Set_Default_Style_Check_Options;
-----------------------------
-- Set_Style_Check_Options --
-----------------------------
-- Version used when no error checking is required
procedure Set_Style_Check_Options (Options : String) is
OK : Boolean;
EC : Natural;
begin
Set_Style_Check_Options (Options, OK, EC);
end Set_Style_Check_Options;
-- Normal version with error checking
procedure Set_Style_Check_Options
(Options : String;
OK : out Boolean;
Err_Col : out Natural)
is
J : Natural;
C : Character;
begin
J := Options'First;
while J <= Options'Last loop
C := Options (J);
J := J + 1;
case C is
when '1' .. '9' =>
Style_Check_Indentation
:= Character'Pos (C) - Character'Pos ('0');
when 'a' =>
Style_Check_Attribute_Casing := True;
when 'b' =>
Style_Check_Blanks_At_End := True;
when 'c' =>
Style_Check_Comments := True;
when 'd' =>
Style_Check_DOS_Line_Terminator := True;
when 'e' =>
Style_Check_End_Labels := True;
when 'f' =>
Style_Check_Form_Feeds := True;
when 'h' =>
Style_Check_Horizontal_Tabs := True;
when 'i' =>
Style_Check_If_Then_Layout := True;
when 'k' =>
Style_Check_Keyword_Casing := True;
when 'l' =>
Style_Check_Layout := True;
when 'L' =>
Style_Max_Nesting_Level := 0;
if J > Options'Last
or else Options (J) not in '0' .. '9'
then
OK := False;
Err_Col := J;
return;
end if;
loop
Style_Max_Nesting_Level :=
Style_Max_Nesting_Level * 10 +
Character'Pos (Options (J)) - Character'Pos ('0');
if Style_Max_Nesting_Level > 999 then
OK := False;
Err_Col := J;
return;
end if;
J := J + 1;
exit when J > Options'Last
or else Options (J) not in '0' .. '9';
end loop;
Style_Check_Max_Nesting_Level := Style_Max_Nesting_Level /= 0;
when 'm' =>
Style_Check_Max_Line_Length := True;
Style_Max_Line_Length := 79;
when 'n' =>
Style_Check_Standard := True;
when 'N' =>
Reset_Style_Check_Options;
when 'M' =>
Style_Max_Line_Length := 0;
if J > Options'Last
or else Options (J) not in '0' .. '9'
then
OK := False;
Err_Col := J;
return;
end if;
loop
Style_Max_Line_Length :=
Style_Max_Line_Length * 10 +
Character'Pos (Options (J)) - Character'Pos ('0');
if Style_Max_Line_Length > Int (Column_Number'Last) then
OK := False;
Err_Col := J;
return;
end if;
J := J + 1;
exit when J > Options'Last
or else Options (J) not in '0' .. '9';
end loop;
Style_Check_Max_Line_Length := Style_Max_Line_Length /= 0;
when 'o' =>
Style_Check_Order_Subprograms := True;
when 'p' =>
Style_Check_Pragma_Casing := True;
when 'r' =>
Style_Check_References := True;
when 's' =>
Style_Check_Specs := True;
when 't' =>
Style_Check_Tokens := True;
when 'u' =>
Style_Check_Blank_Lines := True;
when 'x' =>
Style_Check_Xtra_Parens := True;
when ' ' =>
null;
when others =>
OK := False;
Err_Col := J - 1;
return;
end case;
end loop;
Style_Check := True;
OK := True;
Err_Col := Options'Last + 1;
end Set_Style_Check_Options;
end Stylesw;
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