public final RubyRegexp getRegexp(Ruby runtime, int index, String pattern, int options) {
RubyRegexp regexp = regexps[index];
if (regexp == null || runtime.getKCode() != regexp.getKCode()) {
regexp = RubyRegexp.newRegexp(runtime, pattern, options);
regexp.setLiteral();
regexps[index] = regexp;
}
return regexp;
}
@Override
public Object retrieve(InterpreterContext interp) {
RubyRegexp reg =
RubyRegexp.newRegexp(
interp.getRuntime(), ((RubyString) regexp.retrieve(interp)).getByteList(), options);
reg.setLiteral();
return reg;
}
@Override
public Object interpret(
ThreadContext context,
StaticScope currScope,
DynamicScope currDynScope,
IRubyObject self,
Object[] temp) {
// FIXME (from RegexpNode.java): 1.9 should care about internal or external encoding and not
// kcode.
// If we have a constant regexp string or if the regexp patterns asks for caching, cache the
// regexp
if (rubyRegexp == null
|| !options.isOnce()
|| context.runtime.getKCode() != rubyRegexp.getKCode()) {
RubyString[] pieces = retrievePieces(context, self, currScope, currDynScope, temp);
RubyString pattern = RubyRegexp.preprocessDRegexp(context.runtime, pieces, options);
RubyRegexp re = RubyRegexp.newDRegexp(context.runtime, pattern, options);
re.setLiteral();
rubyRegexp = re;
}
return rubyRegexp;
}