1/* valainterfaceregisterfunction.vala
2 *
3 * Copyright (C) 2006-2011  Jürg Billeter
4 * Copyright (C) 2006-2007  Raffaele Sandrini
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14 * Lesser General Public License for more details.
15
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
19 *
20 * Author:
21 * 	Jürg Billeter <j@bitron.ch>
22 *	Raffaele Sandrini <raffaele@sandrini.ch>
23 */
24
25using GLib;
26
27/**
28 * C function to register an interface at runtime.
29 */
30public class Vala.InterfaceRegisterFunction : TypeRegisterFunction {
31	/**
32	 * Specifies the interface to be registered.
33	 */
34	public weak Interface interface_reference { get; set; }
35
36	public InterfaceRegisterFunction (Interface iface) {
37		interface_reference = iface;
38	}
39
40	public override TypeSymbol get_type_declaration () {
41		return interface_reference;
42	}
43
44	public override string get_type_struct_name () {
45		return get_ccode_type_name (interface_reference);
46	}
47
48	public override string get_base_init_func_name () {
49		return "NULL";
50	}
51
52	public override string get_class_finalize_func_name () {
53		return "NULL";
54	}
55
56	public override string get_base_finalize_func_name () {
57		return "NULL";
58	}
59
60	public override string get_class_init_func_name () {
61		return "%s_default_init".printf (get_ccode_lower_case_name (interface_reference));
62	}
63
64	public override string get_instance_struct_size () {
65		return "0";
66	}
67
68	public override string get_instance_init_func_name () {
69		return "NULL";
70	}
71
72	public override string get_parent_type_name () {
73		return "G_TYPE_INTERFACE";
74	}
75
76	public override SymbolAccessibility get_accessibility () {
77		return interface_reference.access;
78	}
79
80	public override void get_type_interface_init_statements (CodeContext context, CCodeBlock block, bool plugin) {
81		/* register all prerequisites */
82		foreach (DataType prereq_ref in interface_reference.get_prerequisites ()) {
83			unowned TypeSymbol prereq = prereq_ref.type_symbol;
84
85			var func = new CCodeFunctionCall (new CCodeIdentifier ("g_type_interface_add_prerequisite"));
86			func.add_argument (new CCodeIdentifier ("%s_type_id".printf (get_ccode_lower_case_name (interface_reference))));
87			func.add_argument (new CCodeIdentifier (get_ccode_type_id (prereq)));
88
89			block.add_statement (new CCodeExpressionStatement (func));
90		}
91
92		((CCodeBaseModule) context.codegen).register_dbus_info (block, interface_reference);
93	}
94}
95