parameters: (str)
return_statement: return res
docstring: bitmask from character string
docstring_summary: bitmask from character string
docstring_tokens: bitmask from character string
function: def bitmask(str):
  	"""
  	bitmask from character string
  	"""
  	res = []
  	for ci in range(0, len(str)):
  		c = str[ci]
  		for i in range(0, 8):
  			res.append(((ord(c) << i) & 0x80) >> 7)
  	return res
function_tokens: def bitmask ( str ) : res = [ ] for ci in range ( 0 , len ( str ) ) : c = str [ ci ] for i in range ( 0 , 8 ) : res . append ( ( ( ord ( c ) << i ) & 0x80 ) >> 7 ) return res