1 /* valaexpressionstatement.c generated by valac, the Vala compiler
2 * generated from valaexpressionstatement.vala, do not modify */
3
4 /* valaexpressionstatement.vala
5 *
6 * Copyright (C) 2006-2010 Jürg Billeter
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 *
22 * Author:
23 * Jürg Billeter <j@bitron.ch>
24 */
25
26 #include "vala.h"
27 #include <glib.h>
28 #include <valagee.h>
29 #include <glib-object.h>
30
31 #define _vala_code_node_unref0(var) ((var == NULL) ? NULL : (var = (vala_code_node_unref (var), NULL)))
32
33 struct _ValaExpressionStatementPrivate {
34 ValaExpression* _expression;
35 };
36
37 static gint ValaExpressionStatement_private_offset;
38 static gpointer vala_expression_statement_parent_class = NULL;
39 static ValaStatementIface * vala_expression_statement_vala_statement_parent_iface = NULL;
40
41 static void vala_expression_statement_real_accept (ValaCodeNode* base,
42 ValaCodeVisitor* visitor);
43 static void vala_expression_statement_real_accept_children (ValaCodeNode* base,
44 ValaCodeVisitor* visitor);
45 static void vala_expression_statement_real_replace_expression (ValaCodeNode* base,
46 ValaExpression* old_node,
47 ValaExpression* new_node);
48 static gboolean vala_expression_statement_real_check (ValaCodeNode* base,
49 ValaCodeContext* context);
50 static void vala_expression_statement_real_get_error_types (ValaCodeNode* base,
51 ValaCollection* collection,
52 ValaSourceReference* source_reference);
53 static void vala_expression_statement_real_emit (ValaCodeNode* base,
54 ValaCodeGenerator* codegen);
55 static void vala_expression_statement_real_get_defined_variables (ValaCodeNode* base,
56 ValaCollection* collection);
57 static void vala_expression_statement_real_get_used_variables (ValaCodeNode* base,
58 ValaCollection* collection);
59 static void vala_expression_statement_finalize (ValaCodeNode * obj);
60 static GType vala_expression_statement_get_type_once (void);
61
62 static inline gpointer
vala_expression_statement_get_instance_private(ValaExpressionStatement * self)63 vala_expression_statement_get_instance_private (ValaExpressionStatement* self)
64 {
65 return G_STRUCT_MEMBER_P (self, ValaExpressionStatement_private_offset);
66 }
67
68 ValaExpression*
vala_expression_statement_get_expression(ValaExpressionStatement * self)69 vala_expression_statement_get_expression (ValaExpressionStatement* self)
70 {
71 ValaExpression* result;
72 ValaExpression* _tmp0_;
73 g_return_val_if_fail (self != NULL, NULL);
74 _tmp0_ = self->priv->_expression;
75 result = _tmp0_;
76 return result;
77 }
78
79 static gpointer
_vala_code_node_ref0(gpointer self)80 _vala_code_node_ref0 (gpointer self)
81 {
82 return self ? vala_code_node_ref (self) : NULL;
83 }
84
85 void
vala_expression_statement_set_expression(ValaExpressionStatement * self,ValaExpression * value)86 vala_expression_statement_set_expression (ValaExpressionStatement* self,
87 ValaExpression* value)
88 {
89 ValaExpression* _tmp0_;
90 ValaExpression* _tmp1_;
91 g_return_if_fail (self != NULL);
92 _tmp0_ = _vala_code_node_ref0 (value);
93 _vala_code_node_unref0 (self->priv->_expression);
94 self->priv->_expression = _tmp0_;
95 _tmp1_ = self->priv->_expression;
96 vala_code_node_set_parent_node ((ValaCodeNode*) _tmp1_, (ValaCodeNode*) self);
97 }
98
99 /**
100 * Creates a new expression statement.
101 *
102 * @param expression expression to evaluate
103 * @param source_reference reference to source code
104 * @return newly created expression statement
105 */
106 ValaExpressionStatement*
vala_expression_statement_construct(GType object_type,ValaExpression * expression,ValaSourceReference * source_reference)107 vala_expression_statement_construct (GType object_type,
108 ValaExpression* expression,
109 ValaSourceReference* source_reference)
110 {
111 ValaExpressionStatement* self = NULL;
112 g_return_val_if_fail (expression != NULL, NULL);
113 self = (ValaExpressionStatement*) vala_code_node_construct (object_type);
114 vala_code_node_set_source_reference ((ValaCodeNode*) self, source_reference);
115 vala_expression_statement_set_expression (self, expression);
116 return self;
117 }
118
119 ValaExpressionStatement*
vala_expression_statement_new(ValaExpression * expression,ValaSourceReference * source_reference)120 vala_expression_statement_new (ValaExpression* expression,
121 ValaSourceReference* source_reference)
122 {
123 return vala_expression_statement_construct (VALA_TYPE_EXPRESSION_STATEMENT, expression, source_reference);
124 }
125
126 static void
vala_expression_statement_real_accept(ValaCodeNode * base,ValaCodeVisitor * visitor)127 vala_expression_statement_real_accept (ValaCodeNode* base,
128 ValaCodeVisitor* visitor)
129 {
130 ValaExpressionStatement * self;
131 self = (ValaExpressionStatement*) base;
132 g_return_if_fail (visitor != NULL);
133 vala_code_visitor_visit_expression_statement (visitor, self);
134 }
135
136 static void
vala_expression_statement_real_accept_children(ValaCodeNode * base,ValaCodeVisitor * visitor)137 vala_expression_statement_real_accept_children (ValaCodeNode* base,
138 ValaCodeVisitor* visitor)
139 {
140 ValaExpressionStatement * self;
141 ValaExpression* _tmp0_;
142 ValaExpression* _tmp1_;
143 self = (ValaExpressionStatement*) base;
144 g_return_if_fail (visitor != NULL);
145 _tmp0_ = vala_expression_statement_get_expression (self);
146 _tmp1_ = _tmp0_;
147 vala_code_node_accept ((ValaCodeNode*) _tmp1_, visitor);
148 }
149
150 static void
vala_expression_statement_real_replace_expression(ValaCodeNode * base,ValaExpression * old_node,ValaExpression * new_node)151 vala_expression_statement_real_replace_expression (ValaCodeNode* base,
152 ValaExpression* old_node,
153 ValaExpression* new_node)
154 {
155 ValaExpressionStatement * self;
156 ValaExpression* _tmp0_;
157 ValaExpression* _tmp1_;
158 self = (ValaExpressionStatement*) base;
159 g_return_if_fail (old_node != NULL);
160 g_return_if_fail (new_node != NULL);
161 _tmp0_ = vala_expression_statement_get_expression (self);
162 _tmp1_ = _tmp0_;
163 if (_tmp1_ == old_node) {
164 vala_expression_statement_set_expression (self, new_node);
165 }
166 }
167
168 static gboolean
vala_expression_statement_real_check(ValaCodeNode * base,ValaCodeContext * context)169 vala_expression_statement_real_check (ValaCodeNode* base,
170 ValaCodeContext* context)
171 {
172 ValaExpressionStatement * self;
173 gboolean _tmp0_;
174 gboolean _tmp1_;
175 ValaExpression* _tmp4_;
176 ValaExpression* _tmp5_;
177 gboolean _tmp10_;
178 gboolean _tmp11_;
179 gboolean result = FALSE;
180 self = (ValaExpressionStatement*) base;
181 g_return_val_if_fail (context != NULL, FALSE);
182 _tmp0_ = vala_code_node_get_checked ((ValaCodeNode*) self);
183 _tmp1_ = _tmp0_;
184 if (_tmp1_) {
185 gboolean _tmp2_;
186 gboolean _tmp3_;
187 _tmp2_ = vala_code_node_get_error ((ValaCodeNode*) self);
188 _tmp3_ = _tmp2_;
189 result = !_tmp3_;
190 return result;
191 }
192 vala_code_node_set_checked ((ValaCodeNode*) self, TRUE);
193 _tmp4_ = vala_expression_statement_get_expression (self);
194 _tmp5_ = _tmp4_;
195 if (!vala_code_node_check ((ValaCodeNode*) _tmp5_, context)) {
196 vala_code_node_set_error ((ValaCodeNode*) self, TRUE);
197 result = FALSE;
198 return result;
199 } else {
200 ValaExpression* _tmp6_;
201 ValaExpression* _tmp7_;
202 _tmp6_ = vala_expression_statement_get_expression (self);
203 _tmp7_ = _tmp6_;
204 if (VALA_IS_LITERAL (_tmp7_)) {
205 ValaSourceReference* _tmp8_;
206 ValaSourceReference* _tmp9_;
207 _tmp8_ = vala_code_node_get_source_reference ((ValaCodeNode*) self);
208 _tmp9_ = _tmp8_;
209 vala_report_error (_tmp9_, "Literal expression not allowed as statement");
210 vala_code_node_set_error ((ValaCodeNode*) self, TRUE);
211 result = FALSE;
212 return result;
213 }
214 }
215 _tmp10_ = vala_code_node_get_error ((ValaCodeNode*) self);
216 _tmp11_ = _tmp10_;
217 result = !_tmp11_;
218 return result;
219 }
220
221 static void
vala_expression_statement_real_get_error_types(ValaCodeNode * base,ValaCollection * collection,ValaSourceReference * source_reference)222 vala_expression_statement_real_get_error_types (ValaCodeNode* base,
223 ValaCollection* collection,
224 ValaSourceReference* source_reference)
225 {
226 ValaExpressionStatement * self;
227 ValaExpression* _tmp0_;
228 ValaExpression* _tmp1_;
229 self = (ValaExpressionStatement*) base;
230 g_return_if_fail (collection != NULL);
231 _tmp0_ = vala_expression_statement_get_expression (self);
232 _tmp1_ = _tmp0_;
233 vala_code_node_get_error_types ((ValaCodeNode*) _tmp1_, collection, source_reference);
234 }
235
236 static void
vala_expression_statement_real_emit(ValaCodeNode * base,ValaCodeGenerator * codegen)237 vala_expression_statement_real_emit (ValaCodeNode* base,
238 ValaCodeGenerator* codegen)
239 {
240 ValaExpressionStatement * self;
241 ValaExpression* _tmp0_;
242 ValaExpression* _tmp1_;
243 self = (ValaExpressionStatement*) base;
244 g_return_if_fail (codegen != NULL);
245 _tmp0_ = vala_expression_statement_get_expression (self);
246 _tmp1_ = _tmp0_;
247 vala_code_node_emit ((ValaCodeNode*) _tmp1_, codegen);
248 vala_code_visitor_visit_expression_statement ((ValaCodeVisitor*) codegen, self);
249 }
250
251 static void
vala_expression_statement_real_get_defined_variables(ValaCodeNode * base,ValaCollection * collection)252 vala_expression_statement_real_get_defined_variables (ValaCodeNode* base,
253 ValaCollection* collection)
254 {
255 ValaExpressionStatement * self;
256 ValaExpression* _tmp0_;
257 ValaExpression* _tmp1_;
258 self = (ValaExpressionStatement*) base;
259 g_return_if_fail (collection != NULL);
260 _tmp0_ = vala_expression_statement_get_expression (self);
261 _tmp1_ = _tmp0_;
262 vala_code_node_get_defined_variables ((ValaCodeNode*) _tmp1_, collection);
263 }
264
265 static void
vala_expression_statement_real_get_used_variables(ValaCodeNode * base,ValaCollection * collection)266 vala_expression_statement_real_get_used_variables (ValaCodeNode* base,
267 ValaCollection* collection)
268 {
269 ValaExpressionStatement * self;
270 ValaExpression* _tmp0_;
271 ValaExpression* _tmp1_;
272 self = (ValaExpressionStatement*) base;
273 g_return_if_fail (collection != NULL);
274 _tmp0_ = vala_expression_statement_get_expression (self);
275 _tmp1_ = _tmp0_;
276 vala_code_node_get_used_variables ((ValaCodeNode*) _tmp1_, collection);
277 }
278
279 static void
vala_expression_statement_class_init(ValaExpressionStatementClass * klass,gpointer klass_data)280 vala_expression_statement_class_init (ValaExpressionStatementClass * klass,
281 gpointer klass_data)
282 {
283 vala_expression_statement_parent_class = g_type_class_peek_parent (klass);
284 ((ValaCodeNodeClass *) klass)->finalize = vala_expression_statement_finalize;
285 g_type_class_adjust_private_offset (klass, &ValaExpressionStatement_private_offset);
286 ((ValaCodeNodeClass *) klass)->accept = (void (*) (ValaCodeNode*, ValaCodeVisitor*)) vala_expression_statement_real_accept;
287 ((ValaCodeNodeClass *) klass)->accept_children = (void (*) (ValaCodeNode*, ValaCodeVisitor*)) vala_expression_statement_real_accept_children;
288 ((ValaCodeNodeClass *) klass)->replace_expression = (void (*) (ValaCodeNode*, ValaExpression*, ValaExpression*)) vala_expression_statement_real_replace_expression;
289 ((ValaCodeNodeClass *) klass)->check = (gboolean (*) (ValaCodeNode*, ValaCodeContext*)) vala_expression_statement_real_check;
290 ((ValaCodeNodeClass *) klass)->get_error_types = (void (*) (ValaCodeNode*, ValaCollection*, ValaSourceReference*)) vala_expression_statement_real_get_error_types;
291 ((ValaCodeNodeClass *) klass)->emit = (void (*) (ValaCodeNode*, ValaCodeGenerator*)) vala_expression_statement_real_emit;
292 ((ValaCodeNodeClass *) klass)->get_defined_variables = (void (*) (ValaCodeNode*, ValaCollection*)) vala_expression_statement_real_get_defined_variables;
293 ((ValaCodeNodeClass *) klass)->get_used_variables = (void (*) (ValaCodeNode*, ValaCollection*)) vala_expression_statement_real_get_used_variables;
294 }
295
296 static void
vala_expression_statement_vala_statement_interface_init(ValaStatementIface * iface,gpointer iface_data)297 vala_expression_statement_vala_statement_interface_init (ValaStatementIface * iface,
298 gpointer iface_data)
299 {
300 vala_expression_statement_vala_statement_parent_iface = g_type_interface_peek_parent (iface);
301 }
302
303 static void
vala_expression_statement_instance_init(ValaExpressionStatement * self,gpointer klass)304 vala_expression_statement_instance_init (ValaExpressionStatement * self,
305 gpointer klass)
306 {
307 self->priv = vala_expression_statement_get_instance_private (self);
308 }
309
310 static void
vala_expression_statement_finalize(ValaCodeNode * obj)311 vala_expression_statement_finalize (ValaCodeNode * obj)
312 {
313 ValaExpressionStatement * self;
314 self = G_TYPE_CHECK_INSTANCE_CAST (obj, VALA_TYPE_EXPRESSION_STATEMENT, ValaExpressionStatement);
315 _vala_code_node_unref0 (self->priv->_expression);
316 VALA_CODE_NODE_CLASS (vala_expression_statement_parent_class)->finalize (obj);
317 }
318
319 /**
320 * A code statement that evaluates a given expression. The value computed by the
321 * expression, if any, is discarded.
322 */
323 static GType
vala_expression_statement_get_type_once(void)324 vala_expression_statement_get_type_once (void)
325 {
326 static const GTypeInfo g_define_type_info = { sizeof (ValaExpressionStatementClass), (GBaseInitFunc) NULL, (GBaseFinalizeFunc) NULL, (GClassInitFunc) vala_expression_statement_class_init, (GClassFinalizeFunc) NULL, NULL, sizeof (ValaExpressionStatement), 0, (GInstanceInitFunc) vala_expression_statement_instance_init, NULL };
327 static const GInterfaceInfo vala_statement_info = { (GInterfaceInitFunc) vala_expression_statement_vala_statement_interface_init, (GInterfaceFinalizeFunc) NULL, NULL};
328 GType vala_expression_statement_type_id;
329 vala_expression_statement_type_id = g_type_register_static (VALA_TYPE_CODE_NODE, "ValaExpressionStatement", &g_define_type_info, 0);
330 g_type_add_interface_static (vala_expression_statement_type_id, VALA_TYPE_STATEMENT, &vala_statement_info);
331 ValaExpressionStatement_private_offset = g_type_add_instance_private (vala_expression_statement_type_id, sizeof (ValaExpressionStatementPrivate));
332 return vala_expression_statement_type_id;
333 }
334
335 GType
vala_expression_statement_get_type(void)336 vala_expression_statement_get_type (void)
337 {
338 static volatile gsize vala_expression_statement_type_id__volatile = 0;
339 if (g_once_init_enter (&vala_expression_statement_type_id__volatile)) {
340 GType vala_expression_statement_type_id;
341 vala_expression_statement_type_id = vala_expression_statement_get_type_once ();
342 g_once_init_leave (&vala_expression_statement_type_id__volatile, vala_expression_statement_type_id);
343 }
344 return vala_expression_statement_type_id__volatile;
345 }
346
347