Some minor changes

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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/EchoStatement.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/EchoStatement.java
index 916f072..b4677ce 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/EchoStatement.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/EchoStatement.java
@@ -5,14 +5,15 @@ import java.util.List;
 /**
  * an echo statement.
  * echo something;
+ * 
  * @author Matthieu Casanova
  */
-public class EchoStatement extends Statement {
+public final class EchoStatement extends Statement {
 
   /** An array of expressions in this echo statement. */
-  public Expression[] expressions;
+  private final Expression[] expressions;
 
-  public EchoStatement (final Expression[] expressions, final int sourceStart, final int sourceEnd) {
+  public EchoStatement(final Expression[] expressions, final int sourceStart, final int sourceEnd) {
     super(sourceStart, sourceEnd);
     this.expressions = expressions;
   }
@@ -30,18 +31,21 @@ public class EchoStatement extends Statement {
 
   /**
    * Return the object into String.
+   * 
    * @param tab how many tabs (not used here
    * @return a String
    */
   public String toString(final int tab) {
     final String tabs = tabString(tab);
     final String str = toString();
-    final StringBuffer buff = new StringBuffer(tabs.length()+str.length());
+    final StringBuffer buff = new StringBuffer(tabs.length() + str.length());
     return buff.toString();
   }
 
   /**
    * Get the variables from outside (parameters, globals ...)
+   *
+   * @param list the list where we will put variables
    */
   public void getOutsideVariable(final List list) {
     for (int i = 0; i < expressions.length; i++) {
@@ -51,6 +55,8 @@ public class EchoStatement extends Statement {
 
   /**
    * get the modified variables.
+   *
+   * @param list the list where we will put variables
    */
   public void getModifiedVariable(final List list) {
     for (int i = 0; i < expressions.length; i++) {
@@ -60,6 +66,8 @@ public class EchoStatement extends Statement {
 
   /**
    * Get the variables used.
+   *
+   * @param list the list where we will put variables
    */
   public void getUsedVariable(final List list) {
     for (int i = 0; i < expressions.length; i++) {