01: /* Soot - a J*va Optimization Framework
02: * Copyright (C) 2006 Nomair A. Naeem
03: *
04: * This library is free software; you can redistribute it and/or
05: * modify it under the terms of the GNU Lesser General Public
06: * License as published by the Free Software Foundation; either
07: * version 2.1 of the License, or (at your option) any later version.
08: *
09: * This library is distributed in the hope that it will be useful,
10: * but WITHOUT ANY WARRANTY; without even the implied warranty of
11: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12: * Lesser General Public License for more details.
13: *
14: * You should have received a copy of the GNU Lesser General Public
15: * License along with this library; if not, write to the
16: * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17: * Boston, MA 02111-1307, USA.
18: */
19:
20: package soot.toolkits.astmetrics;
21:
22: import polyglot.ast.LocalDecl;
23: import polyglot.ast.Node;
24: import polyglot.visit.NodeVisitor;
25:
26: public class NumLocalsMetric extends ASTMetric {
27:
28: int numLocals; //store the current number of locals for this CLASS
29:
30: public NumLocalsMetric(polyglot.ast.Node node) {
31: super (node);
32: }
33:
34: /*
35: * Will be invoked by the super as well as whenever a new class is entered
36: *
37: */
38: public void reset() {
39: numLocals = 0;
40: }
41:
42: /*
43: * Will be invoked whenever we are leaving a subtree which was a classDecl
44: */
45: public void addMetrics(ClassData data) {
46: data.addMetric(new MetricData("Number-Locals", new Integer(
47: numLocals)));
48: }
49:
50: public NodeVisitor enter(Node parent, Node n) {
51: if (n instanceof LocalDecl) {
52: //System.out.println("Local declared is"+ ((LocalDecl)n).name() );
53: numLocals++;
54: }
55: return enter(n);
56: }
57:
58: }
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