Some minor changes

[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / ast / Case.java

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Case.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Case.java
index da70a1e..751f223 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Case.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/Case.java
@@ -1,18 +1,19 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+
 /**
  * A Case statement for a Switch.
  * @author Matthieu Casanova
  */
-public class Case extends AbstractCase {
+public final class Case extends AbstractCase {
 
-  public Expression value;
-  public Statement[] statements;
+  private final Expression value;
 
-  public Case(Expression value,
-              Statement[] statements,
-              int sourceStart,
-              int sourceEnd) {
+  public Case(final Expression value,
+              final Statement[] statements,
+              final int sourceStart,
+              final int sourceEnd) {
     super(statements, sourceStart, sourceEnd);
     this.value = value;
   }
@@ -22,15 +23,37 @@ public class Case extends AbstractCase {
    * @param tab how many tabs (not used here
    * @return a String
    */
-  public String toString(int tab) {
+  public String toString(final int tab) {
     final StringBuffer buff = new StringBuffer(tabString(tab));
     buff.append("case ");
     buff.append(value.toStringExpression());
     buff.append(" :\n");
-    for (int i = 0; i < statements.length; i++) {
-      Statement statement = statements[i];
-      buff.append(statement.toString(tab + 1));
+    if (statements != null) {
+      for (int i = 0; i < statements.length; i++) {
+        final Statement statement = statements[i];
+        buff.append(statement.toString(tab + 1));
+      }
     }
     return buff.toString();
   }
+
+  /**
+   * get the modified variables.
+   *
+   * @param list the list where we will put variables
+   */
+  public void getModifiedVariable(final List list) {
+    super.getModifiedVariable(list);
+    value.getModifiedVariable(list);
+  }
+
+  /**
+   * Get the variables used.
+   *
+   * @param list the list where we will put variables
+   */
+  public void getUsedVariable(final List list) {
+    super.getUsedVariable(list);
+    value.getUsedVariable(list);
+  }
 }