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1
4 package com.tc.aspectwerkz.cflow;
5
6
7 import com.tc.aspectwerkz.expression.ast.*;
8 import com.tc.aspectwerkz.expression.ExpressionInfo;
9 import com.tc.aspectwerkz.expression.ExpressionNamespace;
10
11 import java.util.List  ;
12
13
20 public class CflowAspectExpressionVisitor implements ExpressionParserVisitor {
21
22 private ExpressionInfo m_expressionInfo;
23 private Node m_root;
24 private String m_namespace;
25
26 public CflowAspectExpressionVisitor(ExpressionInfo expressionInfo, Node root, String namespace) {
27 m_expressionInfo = expressionInfo;
28 m_root = root;
29 m_namespace = namespace;
30 }
31
32
39 public List populateCflowAspectBindings(List bindings) {
40 visit(m_root, bindings);
41 return bindings;
42 }
43
44 public Object visit(Node node, Object data) {
45 return node.jjtGetChild(0).jjtAccept(this, data);
46 }
47
48 public Object visit(SimpleNode node, Object data) {
49 return node.jjtGetChild(0).jjtAccept(this, data);
50 }
51
52 public Object visit(ASTRoot node, Object data) {
53 return node.jjtGetChild(0).jjtAccept(this, data);
54 }
55
56 public Object visit(ASTExpression node, Object data) {
57 return node.jjtGetChild(0).jjtAccept(this, data);
58 }
59
60 public Object visit(ASTAnd node, Object data) {
61 for (int i = 0; i < node.jjtGetNumChildren(); i++) {
63 node.jjtGetChild(i).jjtAccept(this, data);
64 }
65 return data;
66 }
67
68 public Object visit(ASTOr node, Object data) {
69 for (int i = 0; i < node.jjtGetNumChildren(); i++) {
71 node.jjtGetChild(i).jjtAccept(this, data);
72 }
73 return data;
74 }
75
76 public Object visit(ASTNot node, Object data) {
77 return node.jjtGetChild(0).jjtAccept(this, data);
78 }
79
80
87 public Object visit(ASTPointcutReference node, Object data) {
88 ExpressionNamespace namespace = ExpressionNamespace.getNamespace(m_namespace);
89 CflowAspectExpressionVisitor expression = namespace.getExpressionInfo(node.getName()).getCflowAspectExpression();
90 return expression.populateCflowAspectBindings((List ) data);
91 }
92
93 public Object visit(ASTExecution node, Object data) {
94 return data;
95 }
96
97 public Object visit(ASTCall node, Object data) {
98 return data;
99 }
100
101 public Object visit(ASTSet node, Object data) {
102 return data;
103 }
104
105 public Object visit(ASTGet node, Object data) {
106 return data;
107 }
108
109 public Object visit(ASTHandler node, Object data) {
110 return data;
111 }
112
113 public Object visit(ASTWithin node, Object data) {
114 return data;
115 }
116
117 public Object visit(ASTWithinCode node, Object data) {
118 return data;
119 }
120
121 public Object visit(ASTStaticInitialization node, Object data) {
122 return data;
123 }
124
125 public Object visit(ASTIf node, Object data) {
126 return data;
127 }
128
129
136 public Object visit(ASTCflow node, Object data) {
137 int cflowID = node.hashCode();
138 Node subNode = node.jjtGetChild(0);
139 ExpressionInfo subExpression = new ExpressionInfo(subNode, m_namespace);
140 subExpression.inheritPossibleArgumentFrom(m_expressionInfo);
141 ((List ) data).add(new CflowBinding(cflowID, subExpression, m_expressionInfo, false));
142 return data;
143 }
144
145
152 public Object visit(ASTCflowBelow node, Object data) {
153 int cflowID = node.hashCode();
154 Node subNode = node.jjtGetChild(0);
155 ExpressionInfo subExpression = new ExpressionInfo(subNode, m_namespace);
156 subExpression.inheritPossibleArgumentFrom(m_expressionInfo);
157 ((List ) data).add(new CflowBinding(cflowID, subExpression, m_expressionInfo, true));
158 return data;
159 }
160
161 public Object visit(ASTArgs node, Object data) {
162 return data;
163 }
164
165 public Object visit(ASTHasMethod node, Object data) {
166 return data;
167 }
168
169 public Object visit(ASTHasField node, Object data) {
170 return data;
171 }
172
173 public Object visit(ASTTarget node, Object data) {
174 return data;
175 }
176
177 public Object visit(ASTThis node, Object data) {
178 return data;
179 }
180
181 public Object visit(ASTClassPattern node, Object data) {
182 throw new UnsupportedOperationException ("Should not be reached");
183 }
184
185 public Object visit(ASTMethodPattern node, Object data) {
186 throw new UnsupportedOperationException ("Should not be reached");
187 }
188
189 public Object visit(ASTConstructorPattern node, Object data) {
190 throw new UnsupportedOperationException ("Should not be reached");
191 }
192
193 public Object visit(ASTFieldPattern node, Object data) {
194 throw new UnsupportedOperationException ("Should not be reached");
195 }
196
197 public Object visit(ASTParameter node, Object data) {
198 throw new UnsupportedOperationException ("Should not be reached");
199 }
200
201 public Object visit(ASTArgParameter node, Object data) {
202 throw new UnsupportedOperationException ("Should not be reached");
203 }
204
205 public Object visit(ASTAttribute node, Object data) {
206 throw new UnsupportedOperationException ("Should not be reached");
207 }
208
209 public Object visit(ASTModifier node, Object data) {
210 throw new UnsupportedOperationException ("Should not be reached");
211 }
212 }
213 |
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