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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/VarAssignation.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/VarAssignation.java
index 5fb5cd3..3c8699e 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/VarAssignation.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/VarAssignation.java
@@ -1,16 +1,13 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-
 import java.util.List;
-import java.util.ArrayList;
 
 /**
  * A Variable assignation.
  * $varname = initializer
  * @author Matthieu Casanova
  */
-public class VarAssignation extends Expression {
+public final class VarAssignation extends Expression {
 
   public static final int EQUAL = 0;
   public static final int PLUS_EQUAL = 1;
@@ -26,9 +23,9 @@ public class VarAssignation extends Expression {
   public static final int LSHIFT_EQUAL = 11;
   public static final int RSIGNEDSHIFT_EQUAL = 12;
 
-  public Expression variableName;
-  public Expression initializer;
-  public int operator;
+  public final Expression variableName;
+  public final Expression initializer;
+  public final int operator;
 
   /**
    * Create a new variable assignation.
@@ -53,7 +50,7 @@ public class VarAssignation extends Expression {
    * Return the operator as String.
    * @return the operator
    */
-  public final String operatorToString() {
+  public String operatorToString() {
     switch (operator) {
       case EQUAL:
         return "="; //$NON-NLS-1$
@@ -103,32 +100,24 @@ public class VarAssignation extends Expression {
   }
 
 
-             /**
+  /**
    * Get the variables from outside (parameters, globals ...)
-   * @return the variables from outside
    */
-  public List getOutsideVariable() {
-    return new ArrayList();
+  public void getOutsideVariable(final List list) {
   }
 
   /**
    * get the modified variables.
-   * @return the variables from we change value
    */
-  public List getModifiedVariable() {
-    final ArrayList list = new ArrayList();
-    list.addAll(variableName.getUsedVariable());
-    list.addAll(initializer.getModifiedVariable());
-    return list;
+  public void getModifiedVariable(final List list) {
+    variableName.getUsedVariable(list);
+    initializer.getModifiedVariable(list);
   }
 
   /**
    * Get the variables used.
-   * @return the variables used
    */
-  public List getUsedVariable() {
-    final ArrayList list = new ArrayList();
-    list.addAll(initializer.getUsedVariable());
-    return list;
+  public void getUsedVariable(final List list) {
+    initializer.getUsedVariable(list);
   }
 }