aboutsummaryrefslogtreecommitdiff
path: root/odb/semantics/enum.hxx
blob: af72f41d2ac83b95b523bc6d8d1d44f85edb4bb8 (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
// file      : odb/semantics/enum.hxx
// copyright : Copyright (c) 2009-2019 Code Synthesis Tools CC
// license   : GNU GPL v3; see accompanying LICENSE file

#ifndef ODB_SEMANTICS_ENUM_HXX
#define ODB_SEMANTICS_ENUM_HXX

#include <vector>
#include <odb/semantics/elements.hxx>
#include <odb/semantics/fundamental.hxx>

namespace semantics
{
  class enum_;
  class enumerator;

  class enumerates: public edge
  {
  public:
    typedef semantics::enum_ enum_type;
    typedef semantics::enumerator enumerator_type;

    enum_type&
    enum_ () const
    {
      return *enum__;
    }

    enumerator_type&
    enumerator () const
    {
      return *enumerator_;
    }

  public:
    enumerates ();

    void
    set_left_node (enum_type& n)
    {
      enum__ = &n;
    }

    void
    set_right_node (enumerator_type& n)
    {
      enumerator_ = &n;
    }

  protected:
    enum_type* enum__;
    enumerator_type* enumerator_;
  };

  //
  //
  class enumerator: public nameable, public instance
  {
  public:
    typedef semantics::enum_ enum_type;

    enum_type&
    enum_ () const
    {
      return enumerated_->enum_ ();
    }

    enumerates&
    enumerated () const
    {
      return *enumerated_;
    }

    // If the enumeration is signed, then this value should be re-
    // interpreted as signed.
    //
    unsigned long long
    value () const
    {
      return value_;
    }

  public:
    enumerator (path const&,
                size_t line,
                size_t column,
                tree,
                unsigned long long value);

    void
    add_edge_right (enumerates& e)
    {
      enumerated_ = &e;
    }

    using nameable::add_edge_right;

  private:
    unsigned long long value_;
    enumerates* enumerated_;
  };

  //
  //
  class underlies: public edge
  {
  public:
    typedef semantics::enum_ enum_type;

    integral_type&
    type () const
    {
      return *type_;
    }

    enum_type&
    enum_ () const
    {
      return *enum__;
    }

    // Names edge in terms of which this edge was defined. Can be NULL.
    //
  public:
    void
    hint (names& hint)
    {
      hint_ = &hint;
    }

    names*
    hint () const
    {
      return hint_;
    }

  public:
    underlies ();

    void
    set_left_node (integral_type& n)
    {
      type_ = &n;
    }

    void
    set_right_node (enum_type& n)
    {
      enum__ = &n;
    }

  protected:
    integral_type* type_;
    enum_type* enum__;
    names* hint_;
  };

  //
  //
  class enum_: public type, public scope
  {
  private:
    typedef std::vector<enumerates*> enumerates_list;

  public:
    typedef
    pointer_iterator<enumerates_list::const_iterator>
    enumerates_iterator;

    enumerates_iterator
    enumerates_begin () const
    {
      return enumerates_.begin ();
    }

    enumerates_iterator
    enumerates_end () const
    {
      return enumerates_.end ();
    }

    underlies&
    underlied () const
    {
      return *underlied_;
    }

    integral_type&
    underlying_type () const
    {
      return underlied_->type ();
    }

    names*
    underlying_type_hint () const
    {
      return underlied_->hint ();
    }

    bool
    unsigned_ () const
    {
      return underlying_type ().unsigned_ ();
    }

  public:
    enum_ (path const&, size_t line, size_t column, tree);

    void
    add_edge_right (underlies& e)
    {
      underlied_ = &e;
    }

    void
    add_edge_left (enumerates& e)
    {
      enumerates_.push_back (&e);
    }

    using scope::add_edge_left;

  private:
    enumerates_list enumerates_;
    underlies* underlied_;
  };
}

#endif // ODB_SEMANTICS_ENUM_HXX