X-Git-Url: http://secure.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..721354a 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
@@ -1,21 +1,24 @@
 package net.sourceforge.phpdt.internal.compiler.ast;
 
 import java.util.List;
-import java.util.ArrayList;
 
 /**
+ * A Function call.
  * @author Matthieu Casanova
  */
 public class FunctionCall extends AbstractSuffixExpression {
 
-  public Expression prefix;
+  /** the function name. */
+  public Expression functionName;
+
+  /** the arguments. */
   public Expression[] args;
 
   public FunctionCall(final Expression prefix,
                       final Expression[] args,
                       final int sourceEnd) {
     super(prefix.sourceStart, sourceEnd);
-    this.prefix = prefix;
+    this.functionName = prefix;
     this.args = args;
   }
 
@@ -24,7 +27,7 @@ public class FunctionCall extends AbstractSuffixExpression {
    * @return the expression
    */
   public String toStringExpression() {
-    final StringBuffer buff = new StringBuffer(prefix.toStringExpression());
+    final StringBuffer buff = new StringBuffer(functionName.toStringExpression());
     buff.append('(');
     if (args != null) {
       for (int i = 0; i < args.length; i++) {
@@ -39,36 +42,32 @@ 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();
+  public void getOutsideVariable(final List 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 < args.length; i++) {
-      list.addAll(args[i].getModifiedVariable());
+  public void getModifiedVariable(final List list) {
+    if (args != null) {
+      for (int i = 0; i < args.length; i++) {
+        args[i].getModifiedVariable(list);
+      }
     }
-    return list;
   }
 
   /**
    * Get the variables used.
-   * @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());
+  public void getUsedVariable(final List list) {
+    functionName.getUsedVariable(list);
+    if (args != null) {
+      for (int i = 0; i < args.length; i++) {
+        args[i].getUsedVariable(list);
+      }
     }
-    return list;
   }
 }