Index: ASTAssignment.java
===================================================================
RCS file: /home/cvspublic/jakarta-commons/jexl/src/java/org/apache/commons/jexl/parser/ASTAssignment.java,v
retrieving revision 1.1
diff -u -r1.1 ASTAssignment.java
--- ASTAssignment.java	26 Apr 2002 04:23:14 -0000	1.1
+++ ASTAssignment.java	4 Nov 2004 08:04:50 -0000
@@ -2,7 +2,11 @@
 
 package org.apache.commons.jexl.parser;
 
+import org.apache.commons.jexl.JexlContext;
+
+
 public class ASTAssignment extends SimpleNode {
+
   public ASTAssignment(int id) {
     super(id);
   }
@@ -15,5 +19,19 @@
   /** Accept the visitor. **/
   public Object jjtAccept(ParserVisitor visitor, Object data) {
     return visitor.visit(this, data);
+  }
+  
+  public Object value(JexlContext context) throws Exception {
+    SimpleNode left = (SimpleNode)jjtGetChild(0);
+    Object right = ((SimpleNode) jjtGetChild(1)).value(context);
+    if (left instanceof ASTReference) {
+      ASTReference reference = (ASTReference)left;
+      left = (SimpleNode)reference.jjtGetChild(0);
+      if (left instanceof ASTIdentifier) {
+        String identifier = ((ASTIdentifier)left).getIdentifierString();
+        context.getVars().put(identifier,right);
+      }
+    }
+    return right;
   }
 }
Index: ASTReferenceExpression.java
===================================================================
RCS file: /home/cvspublic/jakarta-commons/jexl/src/java/org/apache/commons/jexl/parser/ASTReferenceExpression.java,v
retrieving revision 1.1
diff -u -r1.1 ASTReferenceExpression.java
--- ASTReferenceExpression.java	26 Apr 2002 04:23:14 -0000	1.1
+++ ASTReferenceExpression.java	4 Nov 2004 08:04:50 -0000
@@ -2,6 +2,8 @@
 
 package org.apache.commons.jexl.parser;
 
+import org.apache.commons.jexl.JexlContext;
+
 public class ASTReferenceExpression extends SimpleNode {
   public ASTReferenceExpression(int id) {
     super(id);
@@ -16,4 +18,11 @@
   public Object jjtAccept(ParserVisitor visitor, Object data) {
     return visitor.visit(this, data);
   }
+  
+	public Object value(JexlContext context)
+		throws Exception
+	{
+		return ((SimpleNode) jjtGetChild(0)).value(context);
+	}
+
 }
Index: ASTStatementExpression.java
===================================================================
RCS file: /home/cvspublic/jakarta-commons/jexl/src/java/org/apache/commons/jexl/parser/ASTStatementExpression.java,v
retrieving revision 1.1
diff -u -r1.1 ASTStatementExpression.java
--- ASTStatementExpression.java	26 Apr 2002 04:23:14 -0000	1.1
+++ ASTStatementExpression.java	4 Nov 2004 08:04:50 -0000
@@ -2,6 +2,8 @@
 
 package org.apache.commons.jexl.parser;
 
+import org.apache.commons.jexl.JexlContext;
+
 public class ASTStatementExpression extends SimpleNode {
   public ASTStatementExpression(int id) {
     super(id);
@@ -16,4 +18,10 @@
   public Object jjtAccept(ParserVisitor visitor, Object data) {
     return visitor.visit(this, data);
   }
+  
+  public Object value(JexlContext context)
+    throws Exception {
+    return ((SimpleNode) jjtGetChild(0)).value(context);
+  }
+
 }