/**
* Used by the evaluator and the compiler to set a constant by name. This is for a Colon2 const
* decl
*/
public IRubyObject setConstantInModule(
String internedName, IRubyObject target, IRubyObject result) {
if (!(target instanceof RubyModule)) {
throw runtime.newTypeError(target.toString() + " is not a class/module");
}
RubyModule module = (RubyModule) target;
module.fastSetConstant(internedName, result);
return result;
}
public static void createReadline(Ruby runtime) throws IOException {
ConsoleHolder holder = new ConsoleHolder();
holder.history = new ReadlineHistory();
holder.currentCompletor = null;
COMPLETION_CASE_FOLD = runtime.getNil();
RubyModule mReadline = runtime.defineModule("Readline");
mReadline.dataWrapStruct(holder);
mReadline.defineAnnotatedMethods(Readline.class);
IRubyObject hist = runtime.getObject().callMethod(runtime.getCurrentContext(), "new");
mReadline.fastSetConstant("HISTORY", hist);
hist.getSingletonClass().includeModule(runtime.getEnumerable());
hist.getSingletonClass().defineAnnotatedMethods(HistoryMethods.class);
// MRI does similar thing on MacOS X with 'EditLine wrapper'.
mReadline.fastSetConstant("VERSION", runtime.newString("JLine wrapper"));
}
/**
* Used by the evaluator and the compiler to set a constant by name This is for a null const decl
*/
public IRubyObject setConstantInCurrent(String internedName, IRubyObject result) {
RubyModule module;
if ((module = getCurrentScope().getStaticScope().getModule()) != null) {
module.fastSetConstant(internedName, result);
return result;
}
// TODO: wire into new exception handling mechanism
throw runtime.newTypeError("no class/module to define constant");
}