from ctypes import *
from enum import Enum
dll = CDLL("./libcreole.so")

class CompileRet(Enum):
	COMPILE_OK = 0
	OPCODE_READ_ERROR = 1
	OPCODE_MALFORMED = 2
	ARG_READ_ERROR = 3
	ARG_MALFORMED = 4
	LAST_READ_ERROR = 5
	LAST_MALFORMED = 6
	LABEL_OVERFLOW = 7
	TYPE_ERROR = 8

class CIns(Structure):
	_fields_ = [("opcode", c_int),
	            ("w_flags", c_ubyte * 3),
	            ("w", c_uint * 3)]

class CReader(Structure):
	_fields_ = [("p", POINTER(c_ubyte)),
	            ("left", c_size_t)]
def make_uchar_buf(s):
	buf = (c_ubyte * len(s))()
	buf[:] = s[:]
	return buf

class CParseLineException(Exception):
	pass
def parse_line(line):
	buf = make_uchar_buf(line)

	rd = CReader(buf, len(line))
	ins = CIns()

	ret = dll.creole_parse_line(byref(ins), byref(rd))

	if ret != 0:
		raise CParseLineException(ret)
	return (ins.opcode, list(zip(ins.w_flags, ins.w)))