trying to fix grammar

1 files changed, 10 insertions, 4 deletions

diff --git a/src/monkey/seaspider/org/gnunet/seaspider/ExpressionExtractorVisitor.java b/src/monkey/seaspider/org/gnunet/seaspider/ExpressionExtractorVisitor.java
index 7feab1e10..ea3294e2e 100644
--- a/src/monkey/seaspider/org/gnunet/seaspider/ExpressionExtractorVisitor.java
+++ b/src/monkey/seaspider/org/gnunet/seaspider/ExpressionExtractorVisitor.java
@@ -26,6 +26,7 @@ import org.gnunet.seaspider.parser.nodes.JumpStatement;
 import org.gnunet.seaspider.parser.nodes.LogicalANDExpression;
 import org.gnunet.seaspider.parser.nodes.LogicalORExpression;
 import org.gnunet.seaspider.parser.nodes.MultiplicativeExpression;
+import org.gnunet.seaspider.parser.nodes.Node;
 import org.gnunet.seaspider.parser.nodes.NodeChoice;
 import org.gnunet.seaspider.parser.nodes.NodeSequence;
 import org.gnunet.seaspider.parser.nodes.NodeToken;
@@ -141,10 +142,15 @@ public class ExpressionExtractorVisitor extends DepthFirstVisitor {
         public void visit(ParameterDeclaration n) {
                 skip_mode = false;
                 assert current_expression == null;
-                current_expression = new ExpressionBuilder();
-                n.f1.accept(this);
-                LineNumberInfo lin = LineNumberInfo.get(n);
-                current_expression.commit(lin.lineEnd);
+                if (n.f1.present())
+                {
+                        NodeSequence ns = (NodeSequence) n.f1.node;
+                        Node var = ns.elementAt(0);
+                        current_expression = new ExpressionBuilder();
+                        var.accept(this);
+                        LineNumberInfo lin = LineNumberInfo.get(var);
+                        current_expression.commit(lin.lineEnd);
+                }
                 current_expression = null;
                 skip_mode = true;
         }