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

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FunctionCall.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FunctionCall.java
index cb0b5dd..333e918 100644
--- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FunctionCall.java
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ast/FunctionCall.java
@@ -4,17 +4,21 @@ import java.util.List;
 import java.util.ArrayList;
 
 /**
+ * A Function call.
  * @author Matthieu Casanova
  */
 public class FunctionCall extends AbstractSuffixExpression {
 
+  /** the function name. */
   public Expression prefix;
+
+  /** the arguments. */
   public Expression[] args;
 
   public FunctionCall(final Expression prefix,
                       final Expression[] args,
                       final int sourceEnd) {
-    super(prefix.sourceStart, sourceEnd);
+    super(prefix.getSourceStart(), sourceEnd);
     this.prefix = prefix;
     this.args = args;
   }
@@ -39,12 +43,12 @@ public class FunctionCall extends AbstractSuffixExpression {
     return buff.toString();
   }
 
-            /**
+  /**
    * Get the variables from outside (parameters, globals ...)
    * @return the variables from outside
    */
   public List getOutsideVariable() {
-    return new ArrayList();
+    return new ArrayList(1);
   }
 
   /**
@@ -52,6 +56,9 @@ public class FunctionCall extends AbstractSuffixExpression {
    * @return the variables from we change value
    */
   public List getModifiedVariable() {
+    if (args == null) {
+      return new ArrayList(1);
+    }
     final ArrayList list = new ArrayList();
     for (int i = 0; i < args.length; i++) {
       list.addAll(args[i].getModifiedVariable());
@@ -64,10 +71,11 @@ public class FunctionCall extends AbstractSuffixExpression {
    * @return the variables used
    */
   public List getUsedVariable() {
-    final ArrayList list = new ArrayList();
-    list.addAll(prefix.getUsedVariable());
-    for (int i = 0; i < args.length; i++) {
-      list.addAll(args[i].getUsedVariable());
+    final List list = prefix.getUsedVariable();
+    if (args != null) {
+      for (int i = 0; i < args.length; i++) {
+        list.addAll(args[i].getUsedVariable());
+      }
     }
     return list;
   }