aboutsummaryrefslogtreecommitdiffstats
path: root/src/translate/trans_be.adb
blob: dd1b6c33886778fd000ab9189630eeea8a11d103 (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
--  Back-end for translation.
--  Copyright (C) 2002, 2003, 2004, 2005 Tristan Gingold
--
--  GHDL is free software; you can redistribute it and/or modify it under
--  the terms of the GNU General Public License as published by the Free
--  Software Foundation; either version 2, or (at your option) any later
--  version.
--
--  GHDL 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
--  along with GCC; see the file COPYING.  If not, write to the Free
--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
--  02111-1307, USA.
with Iirs; use Iirs;
with Disp_Tree;
with Disp_Vhdl;
with Sem;
with Canon;
with Translation;
with Errorout; use Errorout;
with Post_Sems;
with Flags;
with Ada.Text_IO;
with Back_End;

package body Trans_Be is
   procedure Finish_Compilation
     (Unit : Iir_Design_Unit; Main : Boolean := False)
   is
      use Ada.Text_IO;
      Lib : Iir;
   begin
      --  No need to semantize during elaboration.
      --if Flags.Will_Elaborate then
      --   return;
      --end if;

      Lib := Get_Library_Unit (Unit);

      if (Main or Flags.Dump_All) and then Flags.Dump_Parse then
         Disp_Tree.Disp_Tree (Unit);
      end if;

      --  Semantic analysis.
      if Flags.Verbose then
         Put_Line ("semantize " & Disp_Node (Lib));
      end if;
      Sem.Semantic (Unit);

      if (Main or Flags.Dump_All) and then Flags.Dump_Sem then
         Disp_Tree.Disp_Tree (Unit);
      end if;

      if Errorout.Nbr_Errors > 0 then
         raise Compilation_Error;
      end if;

      if (Main or Flags.List_All) and then Flags.List_Sem then
         Disp_Vhdl.Disp_Vhdl (Unit);
      end if;

      --  Post checks
      ----------------

      Post_Sems.Post_Sem_Checks (Unit);

      if Errorout.Nbr_Errors > 0 then
         raise Compilation_Error;
      end if;

      --  Canonalisation.
      ------------------
      if Flags.Verbose then
         Put_Line ("canonicalize " & Disp_Node (Lib));
      end if;

      Canon.Canonicalize (Unit);

      if (Main or Flags.Dump_All) and then Flags.Dump_Canon then
         Disp_Tree.Disp_Tree (Unit);
      end if;

      if Errorout.Nbr_Errors > 0 then
         raise Compilation_Error;
      end if;

      if (Main or Flags.List_All) and then Flags.List_Canon then
         Disp_Vhdl.Disp_Vhdl (Unit);
      end if;

      if Flags.Flag_Elaborate then
         if Get_Kind (Lib) = Iir_Kind_Architecture_Body then
            declare
               Config : Iir_Design_Unit;
            begin
               Config := Canon.Create_Default_Configuration_Declaration (Lib);
               Set_Default_Configuration_Declaration (Lib, Config);
               if (Main or Flags.Dump_All) and then Flags.Dump_Canon then
                  Disp_Tree.Disp_Tree (Config);
               end if;
               if (Main or Flags.List_All) and then Flags.List_Canon then
                  Disp_Vhdl.Disp_Vhdl (Config);
               end if;
            end;
         end if;

         --  Do not translate during elaboration.
         --  This is done directly in Translation.Chap12.
         return;
      end if;

      --  Translation
      ---------------
      if not Main then
         --  Main units (those from the analyzed design file) are translated
         --  directly by ortho_front.

         Translation.Translate (Unit, Main);

         if Errorout.Nbr_Errors > 0 then
            raise Compilation_Error;
         end if;
      end if;

   end Finish_Compilation;

   procedure Sem_Foreign (Decl : Iir)
   is
      use Translation;
      Fi : Foreign_Info_Type;
      pragma Unreferenced (Fi);
   begin
      case Get_Kind (Decl) is
         when Iir_Kind_Architecture_Body =>
            Error_Msg_Sem ("FOREIGN architectures are not yet handled", Decl);
         when Iir_Kind_Procedure_Declaration
           | Iir_Kind_Function_Declaration =>
            null;
         when others =>
            Error_Kind ("sem_foreign", Decl);
      end case;
      --  Let is generate error messages.
      Fi := Translate_Foreign_Id (Decl);
   end Sem_Foreign;

   function Parse_Option (Opt : String) return Boolean is
   begin
      if Opt = "--dump-drivers" then
         Translation.Flag_Dump_Drivers := True;
      elsif Opt = "--no-direct-drivers" then
         Translation.Flag_Direct_Drivers := False;
      elsif Opt = "--no-range-checks" then
         Translation.Flag_Range_Checks := False;
      elsif Opt = "--no-index-checks" then
         Translation.Flag_Index_Checks := False;
      elsif Opt = "--no-identifiers" then
         Translation.Flag_Discard_Identifiers := True;
      else
         return False;
      end if;
      return True;
   end Parse_Option;

   procedure Disp_Option
   is
      procedure P (Str : String) renames Ada.Text_IO.Put_Line;
   begin
      P ("  --dump-drivers     dump processes drivers");
   end Disp_Option;

   procedure Register_Translation_Back_End is
   begin
      Back_End.Finish_Compilation := Finish_Compilation'Access;
      Back_End.Sem_Foreign := Sem_Foreign'Access;
      Back_End.Parse_Option := Parse_Option'Access;
      Back_End.Disp_Option := Disp_Option'Access;
   end Register_Translation_Back_End;
end Trans_Be;