blob: 38c17aa3508407c801c98e0320e4efcbb6ef4d0d (
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
|
/* valapointertype.vala
*
* Copyright (C) 2007-2008 Jürg Billeter
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
* This library 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author:
* Jürg Billeter <j@bitron.ch>
*/
using GLib;
using Gee;
/**
* A pointer type.
*/
public class Vala.PointerType : DataType {
/**
* The base type the pointer is referring to.
*/
public DataType base_type {
get { return _base_type; }
set {
_base_type = value;
_base_type.parent_node = this;
}
}
private DataType _base_type;
public PointerType (DataType base_type, SourceReference? source_reference = null) {
this.base_type = base_type;
nullable = true;
this.source_reference = source_reference;
}
public override string to_qualified_string (Scope? scope) {
return base_type.to_qualified_string (scope) + "*";
}
public override string? get_cname () {
if (base_type.data_type != null && base_type.data_type.is_reference_type ()) {
return base_type.get_cname ();
} else {
return base_type.get_cname () + "*";
}
}
public override DataType copy () {
return new PointerType (base_type.copy ());
}
public override bool compatible (DataType target_type) {
if (target_type is PointerType || (target_type.data_type != null && target_type.data_type.get_attribute ("PointerType") != null)) {
return true;
}
/* temporarily ignore type parameters */
if (target_type.type_parameter != null) {
return true;
}
if (base_type.is_reference_type_or_type_parameter ()) {
// Object* is compatible with Object if Object is a reference type
return base_type.compatible (target_type);
}
return false;
}
public override Symbol? get_pointer_member (string member_name) {
Symbol base_symbol = base_type.data_type;
if (base_symbol == null) {
return null;
}
return SemanticAnalyzer.symbol_lookup_inherited (base_symbol, member_name);
}
public override Gee.List<Symbol> get_symbols () {
return base_type.get_symbols ();
}
public override string? get_type_id () {
return "G_TYPE_POINTER";
}
public override void accept_children (CodeVisitor visitor) {
base_type.accept (visitor);
}
public override void replace_type (DataType old_type, DataType new_type) {
if (base_type == old_type) {
base_type = new_type;
}
}
public override bool is_disposable () {
return false;
}
}
|
