1------------------------------------------------------------------------------
2--                                                                          --
3--                            Matreshka Project                             --
4--                                                                          --
5--                               Web Framework                              --
6--                                                                          --
7--                              Tools Component                             --
8--                                                                          --
9------------------------------------------------------------------------------
10--                                                                          --
11-- Copyright © 2015, Vadim Godunko <vgodunko@gmail.com>                     --
12-- All rights reserved.                                                     --
13--                                                                          --
14-- Redistribution and use in source and binary forms, with or without       --
15-- modification, are permitted provided that the following conditions       --
16-- are met:                                                                 --
17--                                                                          --
18--  * Redistributions of source code must retain the above copyright        --
19--    notice, this list of conditions and the following disclaimer.         --
20--                                                                          --
21--  * Redistributions in binary form must reproduce the above copyright     --
22--    notice, this list of conditions and the following disclaimer in the   --
23--    documentation and/or other materials provided with the distribution.  --
24--                                                                          --
25--  * Neither the name of the Vadim Godunko, IE nor the names of its        --
26--    contributors may be used to endorse or promote products derived from  --
27--    this software without specific prior written permission.              --
28--                                                                          --
29-- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS      --
30-- "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT        --
31-- LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR    --
32-- A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT     --
33-- HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,   --
34-- SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED --
35-- TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR   --
36-- PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF   --
37-- LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING     --
38-- NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS       --
39-- SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.             --
40--                                                                          --
41------------------------------------------------------------------------------
42--  $Revision: 5280 $ $Date: 2015-05-12 19:18:31 +0300 (Tue, 12 May 2015) $
43------------------------------------------------------------------------------
44with Asis.Declarations;
45with Asis.Elements;
46
47package body Properties.Declarations.Constant_Declarations is
48
49   ------------
50   -- Bounds --
51   ------------
52
53   function Bounds
54     (Engine  : access Engines.Contexts.Context;
55      Element : Asis.Declaration;
56      Name    : Engines.Text_Property) return League.Strings.Universal_String
57   is
58      Tipe : constant Asis.Definition :=
59        Asis.Declarations.Object_Declaration_View (Element);
60   begin
61      return Engine.Text.Get_Property (Tipe, Name);
62   end Bounds;
63
64   ----------
65   -- Code --
66   ----------
67
68   function Code
69     (Engine  : access Engines.Contexts.Context;
70      Element : Asis.Declaration;
71      Name    : Engines.Text_Property) return League.Strings.Universal_String
72   is
73      List : constant Asis.Defining_Name_List :=
74        Asis.Declarations.Names (Element);
75
76      Inside_Package : constant Boolean := Engine.Boolean.Get_Property
77        (Element, Engines.Inside_Package);
78
79      Init_Code : League.Strings.Universal_String;
80
81      Constant_Name : League.Strings.Universal_String;
82      Text  : League.Strings.Universal_String;
83   begin
84      Init_Code := Engine.Text.Get_Property (Element, Engines.Initialize);
85
86      for J in List'Range loop
87         if Inside_Package then
88            Text.Append ("_ec.");
89         else
90            Text.Append ("var ");
91         end if;
92
93         Constant_Name := Engine.Text.Get_Property (List (J), Name);
94         Text.Append (Constant_Name);
95
96         if not Init_Code.Is_Empty then
97            Text.Append (" = ");
98            Text.Append (Init_Code);
99         end if;
100
101         Text.Append (";");
102      end loop;
103
104      return Text;
105   end Code;
106
107   ----------------
108   -- Initialize --
109   ----------------
110
111   function Initialize
112     (Engine  : access Engines.Contexts.Context;
113      Element : Asis.Declaration;
114      Name    : Engines.Text_Property) return League.Strings.Universal_String
115   is
116      Is_Simple_Ref : constant Boolean :=
117        Engine.Boolean.Get_Property (Element, Engines.Is_Simple_Ref);
118      Tipe : constant Asis.Definition :=
119        Asis.Declarations.Object_Declaration_View (Element);
120      Init : constant Asis.Expression :=
121        Asis.Declarations.Initialization_Expression (Element);
122      Result : League.Strings.Universal_String;
123   begin
124      if Is_Simple_Ref then
125         Result.Append ("{all: ");
126      end if;
127
128      if not Asis.Elements.Is_Nil (Init) then
129         Result.Append (Engine.Text.Get_Property (Init, Engines.Code));
130      else
131         Result.Append (Engine.Text.Get_Property (Tipe, Name));
132      end if;
133
134      if Is_Simple_Ref then
135         Result.Append ("}");
136      end if;
137
138      return Result;
139   end Initialize;
140
141   -------------------
142   -- Is_Simple_Ref --
143   -------------------
144
145   function Is_Simple_Ref
146     (Engine  : access Engines.Contexts.Context;
147      Element : Asis.Declaration;
148      Name    : Engines.Boolean_Property) return Boolean
149   is
150      pragma Unreferenced (Name);
151      Tipe : constant Asis.Definition :=
152        Asis.Declarations.Object_Declaration_View (Element);
153   begin
154      return Asis.Elements.Has_Aliased (Element) and then
155        Engine.Boolean.Get_Property (Tipe, Engines.Is_Simple_Type);
156   end Is_Simple_Ref;
157
158end Properties.Declarations.Constant_Declarations;
159