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
|
/* valadovacontrolflowmodule.vala
*
* Copyright (C) 2006-2010 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>
*/
public abstract class Vala.DovaControlFlowModule : DovaMethodModule {
public override void visit_if_statement (IfStatement stmt) {
ccode.open_if (get_cvalue (stmt.condition));
stmt.true_statement.emit (this);
if (stmt.false_statement != null) {
ccode.add_else ();
stmt.false_statement.emit (this);
}
ccode.close ();
}
public override void visit_switch_statement (SwitchStatement stmt) {
ccode.open_switch (get_cvalue (stmt.expression));
foreach (SwitchSection section in stmt.get_sections ()) {
if (section.has_default_label ()) {
ccode.add_default ();
}
section.emit (this);
}
ccode.close ();
}
public override void visit_switch_label (SwitchLabel label) {
if (label.expression != null) {
label.expression.emit (this);
visit_end_full_expression (label.expression);
ccode.add_case (get_cvalue (label.expression));
}
}
public override void visit_loop (Loop stmt) {
ccode.open_while (new CCodeConstant ("true"));
stmt.body.emit (this);
ccode.close ();
}
public override void visit_break_statement (BreakStatement stmt) {
append_local_free (current_symbol, true);
ccode.add_break ();
}
public override void visit_continue_statement (ContinueStatement stmt) {
append_local_free (current_symbol, true);
ccode.add_continue ();
}
}
|