package org.jruby.compiler.ir.operands;
import org.jruby.compiler.ir.representations.InlinerInfo;
import java.util.List;
import java.util.Map;
import org.jruby.RubyRegexp;
import org.jruby.RubyString;
import org.jruby.interpreter.InterpreterContext;
import org.jruby.util.RegexpOptions;
// Represents a regexp from ruby
//
// NOTE: This operand is only used in the initial stages of optimization
// Further down the line, this regexp operand could get converted to calls
// that actually build the Regexp object
public class Regexp extends Operand {
final public RegexpOptions options;
Operand regexp;
public Regexp(Operand regexp, RegexpOptions options) {
this.regexp = regexp;
this.options = options;
}
@Override
public boolean isConstant() {
return regexp.isConstant();
}
@Override
public String toString() {
return "RE:|" + regexp + "|" + options;
}
@Override
public boolean isNonAtomicValue() {
return true;
}
@Override
public Operand getSimplifiedOperand(Map<Operand, Operand> valueMap) {
regexp = regexp.getSimplifiedOperand(valueMap);
return this;
}
/** Append the list of variables used in this operand to the input list */
@Override
public void addUsedVariables(List<Variable> l) {
regexp.addUsedVariables(l);
}
@Override
public Operand cloneForInlining(InlinerInfo ii) {
return isConstant() ? this : new Regexp(regexp.cloneForInlining(ii), options);
}
@Override
public Object retrieve(InterpreterContext interp) {
RubyRegexp reg = RubyRegexp.newRegexp(interp.getRuntime(),
((RubyString) regexp.retrieve(interp)).getByteList(), options);
reg.setLiteral();
return reg;
}
}