Description Lorenzo Bettini 2011-11-15 05:19:46 EST

I've just tried the Five simple steps to your JVM language tutorial and when trying the editor it all seems to work (and I added the xtext nature to the project), but for expressions like these:

op getFullName() : String {
            return firstName + " " + name;
        }

op getFriendsSortedByFullName() : List<Person> {
            return friends.sortBy( f | f.fullName);
        }

with errors:

Couldn't resolve reference to JvmIdentifiableElement '+'.   
Couldn't resolve reference to JvmIdentifiableElement 'sortBy'.   

The problem is that the documentation, in the section "Try the Editor" is slightly confusing: it says to create a Java project in the runtime workspace; however, in order to use the '+' for strings, and the extension sortBy you need to

# create a plugin project (instead of a Java project)
# add the dependency 'org.eclipse.xtext.xbase.lib'