/**
* Constructs a matching Machine for the specified {@code RE2}.
*/
public Machine(RE2 re2)
{
this.prog = re2.prog;
this.re2 = re2;
this.q0 = new Queue(prog.numInst());
this.q1 = new Queue(prog.numInst());
this.matchcap = new int[prog.numCap < 2 ? 2 : prog.numCap];
}
private Frag newInst(Inst.InstOp op)
{
// TODO(rsc): impose length limit.
prog.addInst(op);
return(new Frag(prog.numInst() - 1));
}
