ocarina-fe_aadl-parser_errors.adb 8.66 KB
Newer Older
1
2
3
4
5
6
7
8
------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--        O C A R I N A . F E _ A A D L . P A R S E R _ E R R O R S         --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
9
--    Copyright (C) 2008-2009 Telecom ParisTech, 2010-2014 ESA & ISAE.      --
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
--                                                                          --
-- Ocarina  is free software;  you  can  redistribute  it and/or  modify    --
-- it under terms of the GNU General Public License as published by the     --
-- Free Software Foundation; either version 2, or (at your option) any      --
-- later version. Ocarina is distributed  in  the  hope  that it will be    --
-- useful, but WITHOUT 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 Ocarina; see file COPYING.   --
-- If not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02111-1301, 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.                                       --
--                                                                          --
jhugues's avatar
jhugues committed
29
30
--                 Ocarina is maintained by the TASTE project               --
--                      (taste-users@lists.tuxfamily.org)                   --
31
32
33
34
35
36
37
--                                                                          --
------------------------------------------------------------------------------

with Ada.Characters.Handling;

with Locations;
with Charset;
38
39
with Ocarina.Namet;
with Ocarina.Output;
40
41
42
43
with Ocarina.FE_AADL.Lexer;

package body Ocarina.FE_AADL.Parser_Errors is

44
   use Ocarina.Output;
45
46
   use Ocarina.FE_AADL.Lexer;
   use Locations;
47
   use Ocarina.Namet;
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
   use Charset;

   procedure Display_Parsing_Code (Code : Parsing_Code);
   pragma Inline (Display_Parsing_Code);
   --  Display corresponding string of given parsing code

   --------------------------
   -- Display_Parsing_Code --
   --------------------------

   procedure Display_Parsing_Code (Code : Parsing_Code) is
   begin
      Write_Str (Image (Token_Location));
      Write_Str (": parsing ");
      Write_Str (Image (Code));
      Write_Str (", ");
   end Display_Parsing_Code;

   ---------------------------
   -- Display_Parsing_Error --
   ---------------------------

   procedure Display_Parsing_Error (Code : Parsing_Code) is
   begin
      Set_Standard_Error;
      Display_Parsing_Code (Code);

      Write_Str ("unexpected ");
      Write_Line (Current_Token_Image);

      Set_Standard_Output;
   end Display_Parsing_Error;

   ---------------------------
   -- Display_Parsing_Error --
   ---------------------------

   procedure Display_Parsing_Error
     (Code       : Parsing_Code;
      Identifier : Name_Id)
   is
   begin
      Set_Standard_Error;
      Display_Parsing_Code (Code);

      Write_Str ("identifier '");
      Write_Name (Identifier);
      Write_Str ("' is expected, found ");
      Write_Line (Current_Token_Image);

      Set_Standard_Output;
   end Display_Parsing_Error;

   ---------------------------
   -- Display_Parsing_Error --
   ---------------------------

   procedure Display_Parsing_Error
106
107
     (Code          : Parsing_Code;
      Error_Msg     : Error_Message_Code;
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
      Current_Token : Token_Type)
   is
   begin
      Set_Standard_Error;
      Display_Parsing_Code (Code);

      Write_Str ("token ");
      Write_Str (Quoted_Image (Current_Token));

      Write_Line (Image (Error_Msg));

      Set_Standard_Output;
   end Display_Parsing_Error;

   ---------------------------
   -- Display_Parsing_Error --
   ---------------------------

   procedure Display_Parsing_Error
     (Code           : Parsing_Code;
      Expected_Token : Token_Type)
   is
   begin
      Set_Standard_Error;
      Display_Parsing_Code (Code);

      if Expected_Token = T_Identifier then
         Write_Str ("an identifier");
      else
         Write_Str ("token ");
         Write_Str (Quoted_Image (Expected_Token));
      end if;

      Write_Str (" is expected, found ");
      Write_Line (Current_Token_Image);

      Set_Standard_Output;
   end Display_Parsing_Error;

   ---------------------------
   -- Display_Parsing_Error --
   ---------------------------

   procedure Display_Parsing_Error
     (Code            : Parsing_Code;
      Expected_Tokens : Token_List_Type)
   is
      Index : Integer;
   begin
      Set_Standard_Error;
      Display_Parsing_Code (Code);
      Write_Str ("token ");

      Index := Expected_Tokens'First;

      while Index < Expected_Tokens'Last loop
         Write_Str (Quoted_Image (Expected_Tokens (Index)));
         Write_Str (" or ");
         Index := Index + 1;
      end loop;

      Write_Str (Quoted_Image (Expected_Tokens (Index)));
      Write_Str (" is expected, found ");
      Write_Line (Current_Token_Image);

      Set_Standard_Output;
   end Display_Parsing_Error;

   ---------------------------
   -- Display_Parsing_Error --
   ---------------------------

   procedure Display_Parsing_Error
     (Code      : Parsing_Code;
      Error_Msg : Error_Message_Code)
   is
   begin
      Set_Standard_Error;
      Display_Parsing_Code (Code);
      Write_Line (Image (Error_Msg));
      Set_Standard_Output;
   end Display_Parsing_Error;

   -----------
   -- Image --
   -----------

   function Image (Code : Parsing_Code) return String is
196
      S       : String  := Parsing_Code'Image (Code);
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
      Capital : Boolean := False;
   begin
      case Code is
         when PC_AADL_Declaration =>
            return "AADL_Declaration";

         when PC_AADL_Specification =>
            return "AADL_Specification";

         when PC_Items_List =>
            return "list of items";

         when PC_Mode_Or_Mode_Transition =>
            return "Mode or Mode_Transition";

         when PC_Port_Spec_Or_Feature_Group_Spec =>
            return "Port_Spec or Port_Group_Spec or Feature_Group_Spec";

         when PC_Port_Refinement_Or_Feature_Group_Refinement =>
216
217
            return "Port_Refinement," &
              "Port_Group_Refinement,Feature_Group Refinement";
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

         when PC_Property_Association_Or_Contained_Property_Association =>
            return "Property_Association or Contained_Property_Association";

         when others =>
            To_Lower (S);
            for I in S'Range loop
               if S (I) = '_' then
                  Capital := True;
               else
                  if Capital then
                     S (I) := Ada.Characters.Handling.To_Upper (S (I));
                  end if;
                  Capital := False;
               end if;
            end loop;
            return S (4 .. S'Last);
      end case;
   end Image;

   -----------
   -- Image --
   -----------

   function Image (Code : Error_Message_Code) return String is
      S : String := Error_Message_Code'Image (Code);
   begin
      case Code is
         when EMC_Access_Property_Association_Is_Not_Allowed =>
            return "Access_Property_Association is not allowed";

         when EMC_Contained_Property_Association_Is_Not_Allowed =>
            return "Contained_Property_Association is not allowed";

         when EMC_Odd_Number_Of_Element_Expected =>
            return "Odd number of elements expected";

         when EMC_At_Least_Tow_Elements_Expected =>
            return "At least 2 elements are expected";

         when EMC_At_Least_Three_Elements_Expected =>
            return "At least 3 elements are expected";

         when others =>
            To_Lower (S);
            for I in S'Range loop
               if S (I) = '_' then
                  S (I) := ' ';
               end if;
            end loop;
            return S (5 .. S'Last);
      end case;
   end Image;

end Ocarina.FE_AADL.Parser_Errors;