How to use

LocalDeclarationAnalyzer

in

org.eclipse.jdt.internal.corext.refactoring.surround

public static VariableDeclaration[] perform(ASTNode parent, Selection selection) {
  LocalDeclarationAnalyzer analyzer= new LocalDeclarationAnalyzer(selection);
  parent.accept(analyzer);
  return analyzer.fAffectedLocals.toArray(new VariableDeclaration[analyzer.fAffectedLocals.size()]);
}

public boolean visit(SimpleName node) {
  IVariableBinding binding= null; 
  if (node.isDeclaration() || !considerNode(node) || (binding= ASTNodes.getLocalVariableBinding(node)) == null)
    return false;
  handleReferenceToLocal(node, binding);
  return true;
}    

private void handleReferenceToLocal(SimpleName node, IVariableBinding binding) {
  VariableDeclaration declaration= ASTNodes.findVariableDeclaration(binding, node);
  if (declaration != null && fSelection.covers(declaration))
    addLocalDeclaration(declaration);
}

  invalidSelection(RefactoringCoreMessages.SurroundWithTryCatchAnalyzer_onlyStatements); 
fLocals= LocalDeclarationAnalyzer.perform(enclosingNode, getSelection());

private void handleReferenceToLocal(SimpleName node, IVariableBinding binding) {
  VariableDeclaration declaration= ASTNodes.findVariableDeclaration(binding, node);
  if (declaration != null && fSelection.covers(declaration))
    addLocalDeclaration(declaration);
}

  invalidSelection(RefactoringCoreMessages.SurroundWithTryCatchAnalyzer_onlyStatements);
fLocals= LocalDeclarationAnalyzer.perform(enclosingNode, getSelection());

@Override
public boolean visit(SimpleName node) {
  IVariableBinding binding= null;
  if (node.isDeclaration() || !considerNode(node) || (binding= ASTNodes.getLocalVariableBinding(node)) == null)
    return false;
  handleReferenceToLocal(node, binding);
  return true;
}

public static VariableDeclaration[] perform(BodyDeclaration parent, Selection selection) {
  LocalDeclarationAnalyzer analyzer= new LocalDeclarationAnalyzer(selection);
  parent.accept(analyzer);
  return (VariableDeclaration[]) analyzer.fAffectedLocals.toArray(new VariableDeclaration[analyzer.fAffectedLocals.size()]);
}