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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/IfStatement.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/IfStatement.java
index c61c049..824b721 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/IfStatement.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/IfStatement.java
@@ -1,7 +1,6 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
 import java.util.List;
-import java.util.ArrayList;
 
 /**
  * This is a if statement.
@@ -49,7 +48,9 @@ public class IfStatement extends Statement {
     final StringBuffer buff = new StringBuffer(tabString(tab));
     buff.append("if (");//$NON-NLS-1$
     buff.append(condition.toStringExpression()).append(") ");//$NON-NLS-1$
-    buff.append(statement.toString(tab + 1));
+    if (statement != null) {
+      buff.append(statement.toString(tab + 1));
+    }
     for (int i = 0; i < elseifs.length; i++) {
       buff.append(elseifs[i].toString(tab + 1));
       buff.append("\n");//$NON-NLS-1$
@@ -63,52 +64,49 @@ public class IfStatement extends Statement {
 
   /**
    * Get the variables from outside (parameters, globals ...)
-   * @return the variables from outside
    */
-  public List getOutsideVariable() {
-    final ArrayList list = new ArrayList();
-    list.addAll(condition.getOutsideVariable()); // todo: check if unuseful
-    list.addAll(statement.getOutsideVariable());
+  public void getOutsideVariable(final List list) {
+    condition.getOutsideVariable(list); // todo: check if unuseful
+    if (statement != null) {
+      statement.getOutsideVariable(list);
+    }
     for (int i = 0; i < elseifs.length; i++) {
-      list.addAll(elseifs[i].getOutsideVariable());
+      elseifs[i].getOutsideVariable(list);
     }
     if (els != null) {
-      list.addAll(els.getOutsideVariable());
+      els.getOutsideVariable(list);
     }
-    return list;
   }
 
   /**
    * get the modified variables.
-   * @return the variables from we change value
    */
-  public List getModifiedVariable() {
-    final ArrayList list = new ArrayList();
-    list.addAll(condition.getModifiedVariable());
-    list.addAll(statement.getModifiedVariable());
+  public void getModifiedVariable(final List list) {
+    condition.getModifiedVariable(list);
+    if (statement != null) {
+      statement.getModifiedVariable(list);
+    }
     for (int i = 0; i < elseifs.length; i++) {
-      list.addAll(elseifs[i].getModifiedVariable());
+      elseifs[i].getModifiedVariable(list);
     }
     if (els != null) {
-      list.addAll(els.getModifiedVariable());
+      els.getModifiedVariable(list);
     }
-    return list;
   }
 
   /**
    * Get the variables used.
-   * @return the variables used
    */
-  public List getUsedVariable() {
-    final ArrayList list = new ArrayList();
-    list.addAll(condition.getUsedVariable());
-    list.addAll(statement.getUsedVariable());
+  public void getUsedVariable(final List list) {
+    condition.getUsedVariable(list);
+    if (statement != null) {
+      statement.getUsedVariable(list);
+    }
     for (int i = 0; i < elseifs.length; i++) {
-      list.addAll(elseifs[i].getUsedVariable());
+      elseifs[i].getUsedVariable(list);
     }
     if (els != null) {
-      list.addAll(els.getUsedVariable());
+      els.getUsedVariable(list);
     }
-    return list;
   }
 }