blob: 20807f75229f34cc1fb756839068a0b717c9791a (
plain)
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
|
/* valablock.vala
*
* Copyright (C) 2006-2007 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>
*/
using GLib;
using Gee;
/**
* Represents a source code block.
*/
public class Vala.Block : Symbol, Statement {
/**
* Specifies whether this block contains a jump statement. This
* information can be used to remove unreachable block cleanup code.
*/
public bool contains_jump_statement { get; set; }
private Gee.List<Statement> statement_list = new ArrayList<Statement> ();
private Gee.List<VariableDeclarator> local_variables = new ArrayList<VariableDeclarator> ();
/**
* Creates a new block.
*
* @param source reference to source code
*/
public Block (SourceReference? source_reference = null) {
this.source_reference = source_reference;
}
/**
* Append a statement to this block.
*
* @param stmt a statement
*/
public void add_statement (Statement stmt) {
statement_list.add (stmt);
}
/**
* Returns a copy of the list of statements.
*
* @return statement list
*/
public Collection<Statement> get_statements () {
return new ReadOnlyCollection<Statement> (statement_list);
}
/**
* Add a local variable to this block.
*
* @param decl a variable declarator
*/
public void add_local_variable (VariableDeclarator decl) {
local_variables.add (decl);
}
/**
* Returns a copy of the list of local variables.
*
* @return variable declarator list
*/
public Collection<VariableDeclarator> get_local_variables () {
return new ReadOnlyCollection<VariableDeclarator> (local_variables);
}
public override void accept (CodeVisitor visitor) {
visitor.visit_block (this);
}
public override void accept_children (CodeVisitor visitor) {
foreach (Statement stmt in statement_list) {
stmt.accept (visitor);
}
}
}
|