# HG changeset patch
# User haftmann
# Date 1214467611 -7200
# Node ID 91a7041a5a6416e7fe8df2ca7aec112255f1f580
# Parent  a8672b0e2b156a08a0314c4cc987382092adef43
class theory name lookup improved

diff -r a8672b0e2b15 -r 91a7041a5a64 src/Tools/code/code_name.ML
--- a/src/Tools/code/code_name.ML	Wed Jun 25 22:11:17 2008 +0200
+++ b/src/Tools/code/code_name.ML	Thu Jun 26 10:06:51 2008 +0200
@@ -179,9 +179,7 @@
    of SOME thy => Context.theory_name thy
     | NONE => error (errmsg x) end;
 
-fun thyname_of_class thy =
-  thyname_of' thy (fn thy => member (op =) (Sign.all_classes thy))
-    (fn class => "thyname_of_class: no such class: " ^ quote class);
+fun thyname_of_class thy = thyname_of thy (ProofContext.query_class (ProofContext.init thy));
 
 fun thyname_of_tyco thy = thyname_of thy (Type.the_tags (Sign.tsig_of thy));