1 /**
2 * Redistribution and use in source and binary forms, with or without
3 * modification, are permitted provided that the following conditions are
4 * met :
5 *
6 * . Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 *
9 * . Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * . The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
20 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
24 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
25 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 package cppncss.counter;
30
31 import cppast.AbstractVisitor;
32 import cppast.AstConstructorDefinition;
33 import cppast.AstDestructorDefinition;
34 import cppast.AstFunctionDefinition;
35 import cppast.SimpleNode;
36
37 /**
38 * Implements a visitor for functions.
39 *
40 * @author Mathieu Champlon
41 */
42 public final class FunctionVisitor extends AbstractVisitor
43 {
44 private final Counter counter;
45
46 /**
47 * Create a function visitor.
48 *
49 * @param counter the counter to apply
50 */
51 public FunctionVisitor( final Counter counter )
52 {
53 if( counter == null )
54 throw new IllegalArgumentException( "argument 'counter' is null" );
55 this.counter = counter;
56 }
57
58 /**
59 * {@inheritDoc}
60 */
61 public Object visit( final AstFunctionDefinition node, final Object data )
62 {
63 return process( node, data );
64 }
65
66 /**
67 * {@inheritDoc}
68 */
69 public Object visit( final AstConstructorDefinition node, final Object data )
70 {
71 return process( node, data );
72 }
73
74 /**
75 * {@inheritDoc}
76 */
77 public Object visit( final AstDestructorDefinition node, final Object data )
78 {
79 return process( node, data );
80 }
81
82 private Object process( final SimpleNode node, final Object data )
83 {
84 node.accept( counter, data );
85 counter.flush( getFunctionName( node ), node.getFirstToken().beginLine );
86 return node.accept( this, data );
87 }
88
89 private String getFunctionName( final SimpleNode node )
90 {
91 return (String)new FunctionNameExtractor().visit( node, null );
92 }
93 }