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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/AbstractCase.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/AbstractCase.java
index 0af2440..4817163 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/AbstractCase.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/AbstractCase.java
@@ -1,7 +1,6 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
 import java.util.List;
-import java.util.ArrayList;
 
 /**
  * Superclass of case statement that we can find in a switch.
@@ -10,55 +9,49 @@ import java.util.ArrayList;
 public abstract class AbstractCase extends Statement {
 
   /** The statements in the case. */
-  public Statement[] statements;
+  public final Statement[] statements;
 
   /**
-   * Create a case statement
+   * Create a case statement.
    * @param statements the statements array
    * @param sourceStart the beginning source offset
    * @param sourceEnd the ending offset
    */
-  public AbstractCase(final Statement[] statements,
-                      final int sourceStart,
-                      final int sourceEnd) {
+  protected AbstractCase(final Statement[] statements,
+                         final int sourceStart,
+                         final int sourceEnd) {
     super(sourceStart, sourceEnd);
     this.statements = statements;
   }
 
 
   /**
-   * Get the variables from outside (parameters, globals ...)
-   * @return the variables from outside
+   * Get the variables from outside (parameters, globals ...).
+   * @param list the list where we will put variables
    */
-  public List getOutsideVariable() {
-    final ArrayList list = new ArrayList();
+  public final void getOutsideVariable(final List list) {
     for (int i = 0; i < statements.length; i++) {
-      list.addAll(statements[i].getOutsideVariable());
+      statements[i].getOutsideVariable(list);
     }
-    return list;
   }
 
   /**
    * get the modified variables.
-   * @return the variables from we change value
+   * @param list the list where we will put variables
    */
-  public List getModifiedVariable() {
-    final ArrayList list = new ArrayList();
+  public void getModifiedVariable(final List list) {
     for (int i = 0; i < statements.length; i++) {
-      list.addAll(statements[i].getModifiedVariable());
+      statements[i].getModifiedVariable(list);
     }
-    return list;
   }
 
   /**
    * Get the variables used.
-   * @return the variables used
+   * @param list the list where we will put variables
    */
-  public List getUsedVariable() {
-    final ArrayList list = new ArrayList();
+  public void getUsedVariable(final List list) {
     for (int i = 0; i < statements.length; i++) {
-      list.addAll(statements[i].getUsedVariable());
+      statements[i].getUsedVariable(list);
     }
-    return list;
   }
 }