summaryrefslogtreecommitdiff
path: root/gcc/ada/prj-attr.adb
blob: ade0b618f0fb19a612e2079c5f943ffcc9144e00 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                              P R J . A T T R                             --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--                                                                          --
--             Copyright (C) 2001-2002 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,  59 Temple Place - Suite 330,  Boston, --
-- MA 02111-1307, USA.                                                      --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

with Ada.Characters.Handling; use Ada.Characters.Handling;
with Namet;     use Namet;
with Output;    use Output;

package body Prj.Attr is

   --  Names end with '#'

   --  Package names are preceded by 'P'

   --  Attribute names are preceded by two letters

   --  The first letter is one of
   --    'S' for Single
   --    'L' for list

   --  The second letter is one of
   --    'V' for single variable
   --    'A' for associative array
   --    'a' for case insensitive associative array

   --  End is indicated by two consecutive '#'.

   Initialization_Data : constant String :=

   --  project attributes

     "SVobject_dir#" &
     "SVexec_dir#" &
     "LVsource_dirs#" &
     "LVsource_files#" &
     "SVsource_list_file#" &
     "SVlibrary_dir#" &
     "SVlibrary_name#" &
     "SVlibrary_kind#" &
     "SVlibrary_elaboration#" &
     "SVlibrary_version#" &
     "LVmain#" &
     "LVlanguages#" &

   --  package Naming

     "Pnaming#" &
     "Saspecification_suffix#" &
     "Saimplementation_suffix#" &
     "SVseparate_suffix#" &
     "SVcasing#" &
     "SVdot_replacement#" &
     "SAspecification#" &
     "SAimplementation#" &
     "LAspecification_exceptions#" &
     "LAimplementation_exceptions#" &

   --  package Compiler

     "Pcompiler#" &
     "Ladefault_switches#" &
     "LAswitches#" &
     "SVlocal_configuration_pragmas#" &

   --  package Builder

     "Pbuilder#" &
     "Ladefault_switches#" &
     "LAswitches#" &
     "SVglobal_configuration_pragmas#" &

   --  package gnatls

     "Pgnatls#" &
     "LVswitches#" &

   --  package Binder

     "Pbinder#" &
     "Ladefault_switches#" &
     "LAswitches#" &

   --  package Linker

     "Plinker#" &
     "Ladefault_switches#" &
     "LAswitches#" &

   --  package Cross_Reference

     "Pcross_reference#" &
     "Ladefault_switches#" &
     "LAswitches#" &

   --  package Finder

     "Pfinder#" &
     "Ladefault_switches#" &
     "LAswitches#" &

   --  package Gnatstub

     "Pgnatstub#" &
     "LVswitches#" &

   --  package Ide

     "Pide#" &
     "SVremote_host#" &
     "Sacompiler_command#" &
     "SVdebugger_command#" &
     "SVgnatlist#" &
     "SVvcs_kind#" &
     "SVvcs_file_check#" &
     "SVvcs_log_check#" &

     "#";

   ----------------
   -- Initialize --
   ----------------

   procedure Initialize is
      Start             : Positive           := Initialization_Data'First;
      Finish            : Positive           := Start;
      Current_Package   : Package_Node_Id    := Empty_Package;
      Current_Attribute : Attribute_Node_Id  := Empty_Attribute;
      Is_An_Attribute   : Boolean            := False;
      Kind_1            : Variable_Kind      := Undefined;
      Kind_2            : Attribute_Kind     := Single;
      Package_Name      : Name_Id            := No_Name;
      Attribute_Name    : Name_Id            := No_Name;
      First_Attribute   : Attribute_Node_Id  := Attribute_First;

   begin
      --  Make sure the two tables are empty

      Attributes.Set_Last (Attributes.First);
      Package_Attributes.Set_Last (Package_Attributes.First);

      while Initialization_Data (Start) /= '#' loop
         Is_An_Attribute := True;
         case Initialization_Data (Start) is
            when 'P' =>

               --  New allowed package

               Start := Start + 1;

               Finish := Start;
               while Initialization_Data (Finish) /= '#' loop
                  Finish := Finish + 1;
               end loop;

               Name_Len := Finish - Start;
               Name_Buffer (1 .. Name_Len) :=
                 To_Lower (Initialization_Data (Start .. Finish - 1));
               Package_Name := Name_Find;

               for Index in Package_First .. Package_Attributes.Last loop
                  if Package_Name = Package_Attributes.Table (Index).Name then
                     Write_Line ("Duplicate package name """ &
                                 Initialization_Data (Start .. Finish - 1) &
                                 """ in Prj.Attr body.");
                     raise Program_Error;
                  end if;
               end loop;

               Is_An_Attribute := False;
               Current_Attribute := Empty_Attribute;
               Package_Attributes.Increment_Last;
               Current_Package := Package_Attributes.Last;
               Package_Attributes.Table (Current_Package).Name :=
                 Package_Name;
               Start := Finish + 1;

            when 'S' =>
               Kind_1 := Single;

            when 'L' =>
               Kind_1 := List;

            when others =>
               raise Program_Error;
         end case;

         if Is_An_Attribute then

            --  New attribute

            Start := Start + 1;
            case Initialization_Data (Start) is
               when 'V' =>
                  Kind_2 := Single;
               when 'A' =>
                  Kind_2 := Associative_Array;
               when 'a' =>
                  Kind_2 := Case_Insensitive_Associative_Array;
               when others =>
                  raise Program_Error;
            end case;

            Start := Start + 1;
            Finish := Start;

            while Initialization_Data (Finish) /= '#' loop
               Finish := Finish + 1;
            end loop;

            Name_Len := Finish - Start;
            Name_Buffer (1 .. Name_Len) :=
              To_Lower (Initialization_Data (Start .. Finish - 1));
            Attribute_Name := Name_Find;
            Attributes.Increment_Last;
            if Current_Attribute = Empty_Attribute then
               First_Attribute := Attributes.Last;

               if Current_Package /= Empty_Package then
                  Package_Attributes.Table (Current_Package).First_Attribute
                    := Attributes.Last;
               end if;

            else
               --  Check that there are no duplicate attributes

               for Index in First_Attribute .. Attributes.Last - 1 loop
                  if Attribute_Name =
                    Attributes.Table (Index).Name then
                     Write_Line ("Duplicate attribute name """ &
                                 Initialization_Data (Start .. Finish - 1) &
                                 """ in Prj.Attr body.");
                     raise Program_Error;
                  end if;
               end loop;

               Attributes.Table (Current_Attribute).Next :=
                 Attributes.Last;
            end if;

            Current_Attribute := Attributes.Last;
            Attributes.Table (Current_Attribute) :=
              (Name    => Attribute_Name,
               Kind_1  => Kind_1,
               Kind_2  => Kind_2,
               Next    => Empty_Attribute);
            Start := Finish + 1;
         end if;
      end loop;
   end Initialize;

end Prj.Attr;