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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ReturnStatement.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ReturnStatement.java
index 85d1867..61e5cec 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ReturnStatement.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/ReturnStatement.java
@@ -1,23 +1,54 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+
 /**
  * A return statement.
  * @author Matthieu Casanova
  */
-public class ReturnStatement extends Statement {
+public final class ReturnStatement extends Statement {
 
-  public Expression expression;
+  private final Expression expression;
 
-  public ReturnStatement(Expression expression, int sourceStart, int sourceEnd) {
+  public ReturnStatement(final Expression expression, final int sourceStart, final int sourceEnd) {
     super(sourceStart, sourceEnd);
     this.expression = expression;
   }
 
-  public String toString(int tab) {
+  public String toString(final int tab) {
     final String s = tabString(tab);
     if (expression == null) {
       return s + "return";//$NON-NLS-1$
     }
     return s + "return " + expression.toStringExpression();//$NON-NLS-1$
   }
+
+  /**
+   * Get the variables from outside (parameters, globals ...)
+   *
+   * @param list the list where we will put variables
+   */
+  public void getOutsideVariable(final List list) {}
+
+  /**
+   * get the modified variables.
+   *
+   * @param list the list where we will put variables
+   */
+  public void getModifiedVariable(final List list) {
+    if (expression != null) {
+      expression.getModifiedVariable(list);
+    }
+  }
+
+  /**
+   * Get the variables used.
+   *
+   * @param list the list where we will put variables
+   */
+  public void getUsedVariable(final List list) {
+    if (expression != null) {
+        expression.getUsedVariable(list);
+    }
+  }
 }