def parsePrimitiveCategory(chunks, primitives, families, var):
"""
Parse a primitive category
If the primitive is the special category 'var', replace it with the
correct `CCGVar`.
"""
if chunks[0] == "var":
if chunks[1] is None:
if var is None:
var = CCGVar()
return (var, var)
catstr = chunks[0]
if catstr in families:
(cat, cvar) = families[catstr]
if var is None:
var = cvar
else:
cat = cat.substitute([(cvar, var)])
return (cat, var)
if catstr in primitives:
subscrs = parseSubscripts(chunks[1])
return (PrimitiveCategory(catstr, subscrs), var)
raise AssertionError('String \'' + catstr +
'\' is neither a family nor primitive category.')
def __init__(self, start, primitives, families, entries):
self._start = PrimitiveCategory(start)
self._primitives = primitives
self._families = families
self._entries = entries
