mydsl {
  condition c1 = false, c2 = true;
  requires c1 && c2;
}

Requires:
	'requires' expression = XOrExpression ';'
;

Model:
	vars+=Var*
	expression = XOrExpression
;

Var:
	"var" name=ID
;

class MyDslJvmModelInferrer extends AbstractModelInferrer {

    /**
     * convenience API to build and initialize JVM types and their members.
     */
	@Inject extension JvmTypesBuilder

   	def dispatch void infer(Model element, IJvmDeclaredTypeAcceptor acceptor, boolean isPreIndexingPhase) {
   		acceptor.accept(element.toClass("my.company.greeting.MyGreetings"))
   			.initializeLater([
   				for (v : element.vars) {
   					members += v.toField(v.name, v.newTypeRef(Boolean::TYPE))
   				}
   				members += element.toMethod("xxxx", element.newTypeRef(Boolean::TYPE)) [
   						body = element.expression
   					]
   			])
   	}
}