X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java
index 5e50628..09f1cf1 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/UnaryExpression.java
@@ -1,41 +1,41 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
 import java.util.List;
-import java.util.ArrayList;
 
 /**
  * @author Matthieu Casanova
  */
 public abstract class UnaryExpression extends OperatorExpression {
 
-  public Expression expression;
+  public final Expression expression;
 
-  public UnaryExpression(final Expression expression, final int operator, final int sourceStart, final int sourceEnd) {
+  protected UnaryExpression(final Expression expression, final int operator, final int sourceStart, final int sourceEnd) {
     super(operator, sourceStart, sourceEnd);
     this.expression = expression;
   }
 
-    /**
+  /**
    * Get the variables from outside (parameters, globals ...)
-   * @return the variables from outside
+   *
+   * @param list the list where we will put variables
    */
-  public List getOutsideVariable() {
-    return new ArrayList();
-  }
+  public final void getOutsideVariable(final List list) {}
 
   /**
    * get the modified variables.
-   * @return the variables from we change value
+   *
+   * @param list the list where we will put variables
    */
-  public List getModifiedVariable() {
-    return expression.getModifiedVariable();
+  public final void getModifiedVariable(final List list) {
+    expression.getModifiedVariable(list);
   }
 
   /**
    * Get the variables used.
-   * @return the variables used
+   *
+   * @param list the list where we will put variables
    */
-  public List getUsedVariable() {
-    return expression.getUsedVariable();
+  public final void getUsedVariable(final List list) {
+    expression.getUsedVariable(list);
   }
 }