Some minor changes

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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/PrintExpression.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/PrintExpression.java
index 772dee0..9dca4d1 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/PrintExpression.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/PrintExpression.java
@@ -1,14 +1,13 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
 import java.util.List;
-import java.util.ArrayList;
 
 /**
  * @author Matthieu Casanova
  */
-public class PrintExpression extends Expression {
+public final class PrintExpression extends Expression {
 
-  public Expression expression;
+  private final Expression expression;
 
   public PrintExpression(final Expression expression, final int sourceStart, final int sourceEnd) {
     super(sourceStart, sourceEnd);
@@ -25,6 +24,8 @@ public class PrintExpression extends Expression {
 
   /**
    * Get the variables from outside (parameters, globals ...)
+   *
+   * @param list the list where we will put variables
    */
   public void getOutsideVariable(final List list) {
     expression.getOutsideVariable(list);
@@ -32,6 +33,8 @@ public class PrintExpression extends Expression {
 
   /**
    * get the modified variables.
+   *
+   * @param list the list where we will put variables
    */
   public void getModifiedVariable(final List list) {
     expression.getModifiedVariable(list);
@@ -39,6 +42,8 @@ public class PrintExpression extends Expression {
 
   /**
    * Get the variables used.
+   *
+   * @param list the list where we will put variables
    */
   public void getUsedVariable(final List list) {
     expression.getUsedVariable(list);