Some minor changes

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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/CastExpression.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/CastExpression.java
index ec518ac..8b52822 100644 (file)
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/CastExpression.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/CastExpression.java
@@ -1,16 +1,18 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+
 /**
  * This is a cast expression.
  * @author Matthieu Casanova
  */
-public class CastExpression extends Expression {
+public final class CastExpression extends Expression {
 
   /** The type in which we cast the expression. */
-  public ConstantIdentifier type;
+  private final ConstantIdentifier type;
 
   /** The expression to be casted. */
-  public Expression expression;
+  private final Expression expression;
 
   /**
    * Create a cast expression.
@@ -19,10 +21,10 @@ public class CastExpression extends Expression {
    * @param sourceStart starting offset
    * @param sourceEnd ending offset
    */
-  public CastExpression(ConstantIdentifier type,
-                        Expression expression,
-                        int sourceStart,
-                        int sourceEnd) {
+  public CastExpression(final ConstantIdentifier type,
+                        final Expression expression,
+                        final int sourceStart,
+                        final int sourceEnd) {
     super(sourceStart, sourceEnd);
     this.type = type;
     this.expression = expression;
@@ -33,10 +35,35 @@ public class CastExpression extends Expression {
    * @return the expression
    */
   public String toStringExpression() {
-    final StringBuffer buff = new StringBuffer('(');
+    final StringBuffer buff = new StringBuffer("(");
     buff.append(type.toStringExpression());
     buff.append(") ");
     buff.append(expression.toStringExpression());
     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) {}
+
+  /**
+   * get the modified variables.
+   *
+   * @param list the list where we will put variables
+   */
+  public void getModifiedVariable(final List list) {
+    expression.getModifiedVariable(list);
+  }
+
+  /**
+   * Get the variables used.
+   *
+   * @param list the list where we will put variables
+   */
+  public void getUsedVariable(final List list) {
+    expression.getUsedVariable(list);
+  }
 }