"U3CON",
	"U4CON",
	"U5CON",
	"U8CON",
	"U15CON",
	"S16CON",
	"U16CON",
	"16CON",
	"U31CON",
	"S32CON",
	"U32CON",
	"32CON",
	"S34CON",
	"64CON",
	"SACON",
	"LACON",
	"DACON",
	"BRA",
	"BRAPIC",
	"ZOREG",
	"SOREG",
	"LOREG",
	"XOREG",
	"FPSCR",
	"LR",
	"CTR",
	"ANY",
	"GOK",
	"ADDR",
	"TLS_LE",
	"TLS_IE",
	"TEXTSIZE",
	"NCLASS",

  // instance for every unit test.
  MockWebServer server = new MockWebServer();

  // Schedule some responses.
  server.enqueue(new MockResponse().setBody("hello, world!"));
  server.enqueue(new MockResponse().setBody("sup, bra?"));
  server.enqueue(new MockResponse().setBody("yo dog"));

  // Start the server.
  server.start();

  // Ask the server for its URL. You'll need this to make HTTP requests.

	case OpWordBoundary:
		return c.empty(EmptyWordBoundary)
	case OpNoWordBoundary:
		return c.empty(EmptyNoWordBoundary)
	case OpCapture:
		bra := c.cap(uint32(re.Cap << 1))
		sub := c.compile(re.Sub[0])
		ket := c.cap(uint32(re.Cap<<1 | 1))
		return c.cat(c.cat(bra, sub), ket)
	case OpStar:
		return c.star(c.compile(re.Sub[0]), re.Flags&NonGreedy != 0)
	case OpPlus: