DemeterJ version 0.8.2 Copyright (c) 2000 Northeastern University Reading project file single.prj... Running the generator... Output directory gen does not exist, will create. Parsing single.cd... Building hashtable of classes... Adding generic visitors: PrintVisitor CopyVisitor SubgraphVisitor EqualVisitor DisplayVisitor TraceVisitor UniversalVisitor Marking not-parsed classes... Marking visitor classes... Expanding parameterized classes... Converting repetition classes... Filling in part names... Setting inheritance links... Error: class B cannot have more than one parent: C (previous parent: A) Saving expanded CD to gen/single.xcd... Checking for duplicate part names... Reading behavior files: single.beh Filling in visitor names... Marking derived parts... Making generic visitor behavior files... Reading behavior files: gen/UniversalVisitor.beh gen/PrintVisitor.beh gen/CopyVisitor.beh gen/SubgraphVisitor.beh gen/EqualVisitor.beh gen/DisplayVisitor.beh gen/TraceVisitor.beh Building cyclic class graph... Converting adaptive methods... Building visitor tables... Expanding universal traversal... Expanding static traversals... Adding Enumeration thingies to Repetition classes Adding Subtraversal class. Generating core aspect code to gen... Generating grammar to gen/Parser.jj... Done. Running the weaver... Running the parser generator... Java Compiler Compiler Version 1.1 (Parser Generator) Copyright (c) 1996-1999 Sun Microsystems, Inc. Copyright (c) 1997-1999 Metamata, Inc. (type "javacc" with no arguments for help) Reading from file gen/Parser.jj . . . File "TokenMgrError.java" does not exist. Will create one. File "ParseException.java" does not exist. Will create one. File "Token.java" does not exist. Will create one. File "ASCII_UCodeESC_CharStream.java" does not exist. Will create one. Parser generated successfully. Running the compiler... gen/Parser.java:67: incompatible types found : B required: C it = _B(); ^ 1 error Aborting, compiler exited with error value 1.