1 /* valaclassregisterfunction.vala
3 * Copyright (C) 2006-2008 Jürg Billeter
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 * Jürg Billeter <j@bitron.ch>
26 * C function to register a class at runtime.
28 public class Vala.ClassRegisterFunction : TypeRegisterFunction {
30 * Specifies the class to be registered.
32 public weak Class class_reference { get; set; }
35 * Creates a new C function to register the specified class at runtime.
38 * @return newly created class register function
40 public ClassRegisterFunction (Class cl) {
44 public override TypeSymbol get_type_declaration () {
45 return class_reference;
48 public override string get_type_struct_name () {
49 return get_ccode_type_name (class_reference);
52 public override string get_base_init_func_name () {
53 if (class_reference.class_constructor != null) {
54 return "%s_base_init".printf (get_ccode_lower_case_name (class_reference, null));
60 public override string get_class_finalize_func_name () {
61 if (class_reference.static_destructor != null) {
62 return "%s_class_finalize".printf (get_ccode_lower_case_name (class_reference, null));
68 public override string get_base_finalize_func_name () {
69 if (class_reference.class_destructor != null) {
70 return "%s_base_finalize".printf (get_ccode_lower_case_name (class_reference, null));
76 public override string get_class_init_func_name () {
77 return "%s_class_init".printf (get_ccode_lower_case_name (class_reference, null));
80 public override string get_instance_struct_size () {
81 return "sizeof (%s)".printf (get_ccode_name (class_reference));
84 public override string get_instance_init_func_name () {
85 return "%s_instance_init".printf (get_ccode_lower_case_name (class_reference, null));
88 public override string get_parent_type_name () {
89 return get_ccode_type_id (class_reference.base_class);
92 public override string get_type_flags () {
93 if (class_reference.is_abstract) {
94 return "G_TYPE_FLAG_ABSTRACT";
95 } else if (CodeContext.get ().require_glib_version (2, 70) && class_reference.is_sealed) {
96 return "G_TYPE_FLAG_FINAL";
102 public override SymbolAccessibility get_accessibility () {
103 return class_reference.access;
106 public override string? get_gtype_value_table_init_function_name () {
107 bool is_fundamental = !class_reference.is_compact && class_reference.base_class == null;
108 if ( is_fundamental )
109 return "%s_init".printf (get_ccode_lower_case_name (class_reference, "value_"));
114 public override string? get_gtype_value_table_free_function_name () {
115 bool is_fundamental = !class_reference.is_compact && class_reference.base_class == null;
116 if ( is_fundamental )
117 return "%s_free_value".printf (get_ccode_lower_case_name (class_reference, "value_"));
122 public override string? get_gtype_value_table_copy_function_name () {
123 bool is_fundamental = !class_reference.is_compact && class_reference.base_class == null;
124 if ( is_fundamental )
125 return "%s_copy_value".printf (get_ccode_lower_case_name (class_reference, "value_"));
130 public override string? get_gtype_value_table_peek_pointer_function_name () {
131 bool is_fundamental = !class_reference.is_compact && class_reference.base_class == null;
132 if ( is_fundamental )
133 return "%s_peek_pointer".printf (get_ccode_lower_case_name (class_reference, "value_"));
138 public override string? get_gtype_value_table_collect_value_function_name () {
139 bool is_fundamental = !class_reference.is_compact && class_reference.base_class == null;
140 if ( is_fundamental )
141 return "%s_collect_value".printf (get_ccode_lower_case_name (class_reference, "value_"));
146 public override string? get_gtype_value_table_lcopy_value_function_name () {
147 bool is_fundamental = !class_reference.is_compact && class_reference.base_class == null;
148 if ( is_fundamental )
149 return "%s_lcopy_value".printf (get_ccode_lower_case_name (class_reference, "value_"));
154 public override CCodeFragment get_type_interface_init_declaration () {
155 var frag = new CCodeFragment ();
157 foreach (DataType base_type in class_reference.get_base_types ()) {
158 if (!(base_type.type_symbol is Interface)) {
162 unowned Interface iface = (Interface) base_type.type_symbol;
164 var iface_info_name = "%s_info".printf (get_ccode_lower_case_name (iface, null));
166 var ctypedecl = new CCodeDeclaration ("const GInterfaceInfo");
167 ctypedecl.modifiers = CCodeModifiers.STATIC;
168 ctypedecl.add_declarator (new CCodeVariableDeclarator (iface_info_name, new CCodeConstant ("{ (GInterfaceInitFunc) %s_%s_interface_init, (GInterfaceFinalizeFunc) NULL, NULL}".printf (get_ccode_lower_case_name (class_reference), get_ccode_lower_case_name (iface)))));
169 frag.append (ctypedecl);
175 public override void get_type_interface_init_statements (CodeContext context, CCodeBlock block, bool plugin) {
176 foreach (DataType base_type in class_reference.get_base_types ()) {
177 if (!(base_type.type_symbol is Interface)) {
181 unowned Interface iface = (Interface) base_type.type_symbol;
183 var iface_info_name = "%s_info".printf (get_ccode_lower_case_name (iface, null));
185 var reg_call = new CCodeFunctionCall (new CCodeIdentifier ("g_type_add_interface_static"));
186 reg_call.add_argument (new CCodeIdentifier ("%s_type_id".printf (get_ccode_lower_case_name (class_reference, null))));
187 reg_call.add_argument (new CCodeIdentifier (get_ccode_type_id (iface)));
188 reg_call.add_argument (new CCodeIdentifier ("&%s".printf (iface_info_name)));
189 block.add_statement (new CCodeExpressionStatement (reg_call));
191 var reg_call = new CCodeFunctionCall (new CCodeIdentifier ("g_type_module_add_interface"));
192 reg_call.add_argument (new CCodeIdentifier ("module"));
193 reg_call.add_argument (new CCodeIdentifier ("%s_type_id".printf (get_ccode_lower_case_name (class_reference, null))));
194 reg_call.add_argument (new CCodeIdentifier (get_ccode_type_id (iface)));
195 reg_call.add_argument (new CCodeIdentifier ("&%s".printf (iface_info_name)));
196 block.add_statement (new CCodeExpressionStatement (reg_call));
200 ((CCodeBaseModule) context.codegen).register_dbus_info (block, class_reference);