demjava -jack -code class-graph
Parsing class-graph.cd...
Expanding parameterized classes...
Converting repetition classes...
Filling in part names...
Setting inheritance links...
Parsing class-graph.beh...
Gathering methods...
Expanding traversals...
  Expanding allInh: bypassing { -> * , vertex , * , => Neighbors , Construct } to Vertex ...
Generating Java code...
demjava -jack -grammar class-graph
Parsing class-graph.cd...
Expanding parameterized classes...
Converting repetition classes...
Filling in part names...
Setting inheritance links...
Generating Jack grammar...
jack class-graph.jack
Jack Version 0.5.  Copyright (c) 1996 Sun Microsystems Inc.
(type "jack" with no arguments for help)

Reading from file class-graph.jack . . .
File "ParseError.java" does not exist.  Will create one.
File "Token.java" does not exist.  Will create one.
Parser generated successfully.
javac -d . class-graph.java Parser.java ParseError.java ParserConstants.java ParserTokenManager.java Token.java ASCII_CharStream.java
touch ./Main.class
java Main < class-graph.input
Inheritance relationships 8