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

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 11f5ee0..c5f3e98 100644
--- 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
@@ -1,6 +1,11 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
+import java.util.List;
+import java.util.ArrayList;
+
 /**
+ * an echo statement.
+ * echo something;
  * @author Matthieu Casanova
  */
 public class EchoStatement extends Statement {
@@ -8,16 +13,16 @@ public class EchoStatement extends Statement {
   /** An array of expressions in this echo statement. */
   public Expression[] expressions;
 
-  public EchoStatement (Expression[] expressions, int sourceStart) {
+  public EchoStatement (final Expression[] expressions, final int sourceStart) {
     super(sourceStart, expressions[expressions.length-1].sourceEnd);
     this.expressions = expressions;
   }
 
   public String toString() {
-    StringBuffer buff = new StringBuffer("echo ");
+    final StringBuffer buff = new StringBuffer("echo ");//$NON-NLS-1$
     for (int i = 0; i < expressions.length; i++) {
       if (i != 0) {
-        buff.append(", ");
+        buff.append(", ");//$NON-NLS-1$
       }
       buff.append(expressions[i].toStringExpression());
     }
@@ -29,7 +34,46 @@ public class EchoStatement extends Statement {
    * @param tab how many tabs (not used here
    * @return a String
    */
-  public String toString(int tab) {
-    return tabString(tab) + toString();
+  public String toString(final int tab) {
+    final String tabs = tabString(tab);
+    final String str = toString();
+    final StringBuffer buff = new StringBuffer(tabs.length()+str.length());
+    return buff.toString();
+  }
+
+  /**
+   * Get the variables from outside (parameters, globals ...)
+   * @return the variables from outside
+   */
+  public List getOutsideVariable() {
+    final ArrayList list = new ArrayList();
+    for (int i = 0; i < expressions.length; i++) {
+      list.addAll(expressions[i].getOutsideVariable());
+    }
+    return list;
+  }
+
+  /**
+   * get the modified variables.
+   * @return the variables from we change value
+   */
+  public List getModifiedVariable() {
+    final ArrayList list = new ArrayList();
+    for (int i = 0; i < expressions.length; i++) {
+      list.addAll(expressions[i].getModifiedVariable());
+    }
+    return list;
+  }
+
+  /**
+   * Get the variables used.
+   * @return the variables used
+   */
+  public List getUsedVariable() {
+    final ArrayList list = new ArrayList();
+    for (int i = 0; i < expressions.length; i++) {
+      list.addAll(expressions[i].getUsedVariable());
+    }
+    return list;
   }
 }