X-Git-Url: http://git.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 fff7021..5e50628 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
@@ -1,5 +1,8 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+import java.util.ArrayList;
+
 /**
  * @author Matthieu Casanova
  */
@@ -7,8 +10,32 @@ public abstract class UnaryExpression extends OperatorExpression {
 
   public Expression expression;
 
-  public UnaryExpression(Expression expression, int operator, int sourceStart, int sourceEnd) {
+  public 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
+   */
+  public List getOutsideVariable() {
+    return new ArrayList();
+  }
+
+  /**
+   * get the modified variables.
+   * @return the variables from we change value
+   */
+  public List getModifiedVariable() {
+    return expression.getModifiedVariable();
+  }
+
+  /**
+   * Get the variables used.
+   * @return the variables used
+   */
+  public List getUsedVariable() {
+    return expression.getUsedVariable();
+  }
 }