From: adam <adam@megacz.com>
Date: Thu, 21 Sep 2006 06:13:56 +0000 (-0400)
Subject: better error message
X-Git-Tag: tag_for_25-Mar~67
X-Git-Url: http://git.megacz.com/?p=sbp.git;a=commitdiff_plain;h=fb8694140dd9736855795e64a9bd4c3d50f7f2ea

better error message

darcs-hash:20060921061356-5007d-ee4dac9be41c56280c5085d171619c6721555856.gz
---

diff --git a/src/edu/berkeley/sbp/meta/MetaGrammarBindings.java b/src/edu/berkeley/sbp/meta/MetaGrammarBindings.java
index c51f71f..b0b86da 100644
--- a/src/edu/berkeley/sbp/meta/MetaGrammarBindings.java
+++ b/src/edu/berkeley/sbp/meta/MetaGrammarBindings.java
@@ -195,7 +195,7 @@ public class MetaGrammarBindings extends AnnotationGrammarBindings {
         public Seq(ElementNode e) { this(new ElementNode[] { e }); }
         public Seq(ElementNode[] elements) { this.elements = elements; }
         public Atom toAtom(Context cx) {
-            if (elements.length != 1) throw new Error("FIXME");
+            if (elements.length != 1) throw new Error("you attempted to use ->, **, ++, or a similar character-class operator on a [potentially] multicharacter production");
             return elements[0].toAtom(cx);
         }
         public Seq tag(String tag) { this.tag = prefix+tag; return this; }