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
|
// GtkSharp.Generation.VirtualMethod.cs - The VirtualMethod Generatable.
//
// Author: Mike Kestner <mkestner@novell.com>
//
// Copyright (c) 2003-2004 Novell, Inc.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the GNU General Public
// License as published by the Free Software Foundation.
//
// This program 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 this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
namespace GtkSharp.Generation {
using System;
using System.Collections;
using System.IO;
using System.Xml;
// FIXME: handle static VMs
public class VirtualMethod {
XmlElement elem;
ReturnValue retval;
Parameters parms;
ImportSignature isig;
public VirtualMethod (XmlElement elem, ClassBase container_type)
{
this.elem = elem;
retval = new ReturnValue (elem ["return-type"]);
parms = new Parameters (elem["parameters"]);
isig = new ImportSignature (parms);
}
public string CName {
get {
return elem.GetAttribute("cname");
}
}
public string Declaration {
get {
VMSignature vmsig = new VMSignature (parms);
return retval.CSType + " " + Name + " (" + vmsig + ");";
}
}
public string MarshalReturnType {
get {
return SymbolTable.Table.GetToNativeReturnType (elem["return-type"].GetAttribute("type"));
}
}
public string Name {
get {
return elem.GetAttribute("name");
}
}
public string NativeDelegate {
get {
return "delegate " + MarshalReturnType + " " + Name + "Delegate (" + isig + ");";
}
}
public void GenerateCallback (StreamWriter sw)
{
ManagedCallString call = new ManagedCallString (parms);
string type = parms [0].CSType;
string name = parms [0].Name;
string call_string = "__obj." + Name + " (" + call + ")";
sw.WriteLine ("\t\tstatic " + MarshalReturnType + " " + Name + "Callback (" + isig + ")");
sw.WriteLine ("\t\t{");
sw.WriteLine ("\t\t\t" + type + " __obj = GLib.Object.GetObject (" + name + ", false) as " + type + ";");
sw.Write (call.Setup ("\t\t\t"));
if (retval.CSType == "void")
sw.WriteLine ("\t\t\t" + call_string + ";");
else {
sw.WriteLine ("\t\t\treturn " + SymbolTable.Table.ToNativeReturn (retval.CType, call_string) + ";");
}
sw.Write (call.Finish ("\t\t\t"));
sw.WriteLine ("\t\t}");
}
public bool Validate ()
{
if (!parms.Validate () || !retval.Validate ()) {
Console.Write ("in virtual method " + Name + " ");
return false;
}
for (int i = 0; i < parms.Count; i++) {
Parameter p = parms [i];
if (p.Generatable is CallbackGen) {
Console.Write("Callback: " + p.CSType + " in virtual method " + Name + " ");
Statistics.ThrottledCount++;
return false;
}
}
return true;
}
}
}
|
