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1   /**
2    * BSD-style license; for more info see http://pmd.sourceforge.net/license.html
3    */
4   package net.sourceforge.pmd.lang.java.rule;
5   
6   import net.sourceforge.pmd.lang.ast.Node;
7   import net.sourceforge.pmd.lang.java.ast.ASTFieldDeclaration;
8   import net.sourceforge.pmd.lang.java.ast.ASTVariableDeclaratorId;
9   import net.sourceforge.pmd.lang.symboltable.NameOccurrence;
10  
11  //FUTURE This is not referenced by any RuleSet?
12  public class SymbolTableTestRule extends AbstractJavaRule {
13  
14      @Override
15      public Object visit(ASTFieldDeclaration node,Object data) {
16          for(ASTVariableDeclaratorId declaration: node.findDescendantsOfType(ASTVariableDeclaratorId.class)) {
17              for (NameOccurrence no: declaration.getUsages()) {
18                  Node location = no.getLocation();
19                  System.out.println(declaration.getImage() + " is used here: " + location.getImage());
20              }
21          }
22          return data;
23      }
24  }