package org.jruby.ir.instructions.ruby18;
import org.jruby.ir.IRVisitor;
import org.jruby.ir.instructions.CopyInstr;
import org.jruby.ir.instructions.Instr;
import org.jruby.ir.instructions.OptArgMultipleAsgnInstr;
import org.jruby.ir.instructions.ReceiveOptArgBase;
import org.jruby.ir.operands.UndefinedValue;
import org.jruby.ir.operands.Variable;
import org.jruby.ir.transformations.inlining.InlinerInfo;
import org.jruby.runtime.builtin.IRubyObject;
// Assign the 'index' argument to 'dest'.
public class ReceiveOptArgInstr18 extends ReceiveOptArgBase {
public ReceiveOptArgInstr18(Variable result, int index) {
super(result, index);
}
@Override
public Instr cloneForInlinedScope(InlinerInfo ii) {
if (ii.canMapArgsStatically()) {
return new CopyInstr(ii.getRenamedVariable(result), ii.getArg(argIndex));
} else {
return new OptArgMultipleAsgnInstr(ii.getRenamedVariable(result), ii.getArgs(), argIndex, argIndex);
}
}
@Override
public Instr cloneForBlockCloning(InlinerInfo ii) {
return new ReceiveOptArgInstr18(ii.getRenamedVariable(result), argIndex);
}
public Object receiveOptArg(IRubyObject[] args) {
return (argIndex < args.length ? args[argIndex] : UndefinedValue.UNDEFINED);
}
@Override
public void visit(IRVisitor visitor) {
visitor.ReceiveOptArgInstr18(this);
}
}