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| package net.sourceforge.pmd.dfa.pathfinder; |
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| |
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| import net.sourceforge.pmd.dfa.IDataFlowNode; |
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| import net.sourceforge.pmd.dfa.NodeType; |
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| |
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| import java.util.Iterator; |
7 |
| import java.util.LinkedList; |
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| |
9 |
| public class CurrentPath { |
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| |
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| private LinkedList list; |
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| |
13 |
6
| public CurrentPath() {
|
14 |
6
| list = new LinkedList();
|
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| } |
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| |
17 |
0
| public int getLength() {
|
18 |
0
| return list.size();
|
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| } |
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| |
21 |
7
| public Iterator iterator() {
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22 |
7
| return list.iterator();
|
23 |
| } |
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| |
25 |
31
| public IDataFlowNode getLast() {
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26 |
31
| return (IDataFlowNode) list.getLast();
|
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| } |
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| |
29 |
33
| public void removeLast() {
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30 |
33
| list.removeLast();
|
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| } |
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| |
33 |
40
| public boolean isEmpty() {
|
34 |
40
| return list.isEmpty();
|
35 |
| } |
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| |
37 |
33
| public void addLast(IDataFlowNode n) {
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38 |
33
| list.addLast(n);
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39 |
| |
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| } |
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| |
42 |
4
| public boolean isDoBranchNode() {
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43 |
4
| return ((IDataFlowNode) list.getLast()).isType(NodeType.DO_EXPR);
|
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| } |
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| |
46 |
26
| public boolean isFirstDoStatement() {
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47 |
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| return isFirstDoStatement((IDataFlowNode) list.getLast());
|
48 |
| } |
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| |
50 |
0
| public IDataFlowNode getDoBranchNodeFromFirstDoStatement() {
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51 |
0
| IDataFlowNode inode = (IDataFlowNode) list.getLast();
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52 |
0
| if (!isFirstDoStatement()) return null;
|
53 |
0
| for (int i = 0; i < inode.getParents().size(); i++) {
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54 |
0
| IDataFlowNode parent = (IDataFlowNode) inode.getParents().get(i);
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55 |
0
| if (parent.isType(NodeType.DO_EXPR)) {
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56 |
0
| return parent;
|
57 |
| } |
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| } |
59 |
0
| return null;
|
60 |
| } |
61 |
| |
62 |
35
| public boolean isEndNode() {
|
63 |
35
| return ((IDataFlowNode) list.getLast()).getChildren().size() == 0;
|
64 |
| |
65 |
| } |
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| |
67 |
94
| public boolean isBranch() {
|
68 |
94
| return ((IDataFlowNode) list.getLast()).getChildren().size() > 1;
|
69 |
| } |
70 |
| |
71 |
26
| private boolean isFirstDoStatement(IDataFlowNode inode) {
|
72 |
26
| int index = inode.getIndex() - 1;
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73 |
5
| if (index < 0) return false;
|
74 |
21
| return ((IDataFlowNode) inode.getFlow().get(index)).isType(NodeType.DO_BEFORE_FIRST_STATEMENT);
|
75 |
| } |
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| } |
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| |