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..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
@@ -1,14 +1,41 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+
 /**
  * @author Matthieu Casanova
  */
 public abstract class UnaryExpression extends OperatorExpression {
 
-  public Expression expression;
+  public final Expression expression;
 
-  public UnaryExpression(Expression expression, int operator, int sourceStart, 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 ...)
+   *
+   * @param list the list where we will put variables
+   */
+  public final void getOutsideVariable(final List list) {}
+
+  /**
+   * get the modified variables.
+   *
+   * @param list the list where we will put variables
+   */
+  public final void getModifiedVariable(final List list) {
+    expression.getModifiedVariable(list);
+  }
+
+  /**
+   * Get the variables used.
+   *
+   * @param list the list where we will put variables
+   */
+  public final void getUsedVariable(final List list) {
+    expression.getUsedVariable(list);
+  }
 }