def read_deriv(self, toks, parent=None):
def body(toks):
# HACK
tag = "_"
category = toks.next()
headedness = toks.next()
assert headedness in 'lrsec', "Unexpected head character encountered: %s" % headedness
kids = []
if headedness == 'c':
tag = toks.next()
lex = toks.next()
return A.Leaf(tag, lex, category, parent)
else:
if headedness in 's':
kids.append(self.read_deriv(toks))
elif headedness in 'elr':
kids.append(self.read_deriv(toks))
kids.append(self.read_deriv(toks))
return A.Node(tag, kids, category, parent, 0 if headedness in 'esl' else 1)
return with_parens(body, toks)
def read_deriv(self, toks, parent=None):
def body(toks):
# HACK
tag = toks.next()
head_index = None
if toks.peek() == '<' and (not tag == 'PU'):
toks.next()
head_index = int(toks.next())
shift_and_check( '>', toks )
category = None
if toks.peek() == '{':
toks.next()
category = parse_category(toks.next())
shift_and_check( '}', toks )
kids = []
lex = None
while toks.peek() != ')':
if toks.peek() == '(':
kids.append( self.read_deriv(toks) )
else:
lex = toks.next()
if (not kids) and lex:
return A.Leaf(tag, lex, category, parent)
else:
ret = A.Node(tag, kids, category, parent, head_index)
for kid in ret: kid.parent = ret
return ret
return with_parens(body, toks)
def read_deriv(self, toks, parent=None):
def body(toks):
tag = toks.next()
lex = None
kids = []
while toks.peek() != ')':
if toks.peek() == '(':
kids.append( self.read_deriv(toks) )
else:
lex = toks.next()
if (not kids) and lex:
return N.Leaf(tag, lex, parent)
else:
ret = N.Node(tag, kids, parent)
for kid in ret: kid.parent = ret
return ret
return with_parens(body, toks)
def read_deriv(self, toks, parent=None):
def body(toks):
# HACK
tag = "_"
head_index = 0 # head_index must be [01]; required by script convert_auto
category = toks.next().replace('{', '(').replace('}', ')')
kids = []
lex = None
while toks.peek() != ')':
if toks.peek() == '(':
kids.append( self.read_deriv(toks) )
else:
lex = toks.next()
if (not kids) and lex:
return A.Leaf(tag, lex, category, parent)
else:
ret = A.Node(tag, kids, category, parent, head_index)
for kid in ret: kid.parent = ret
return ret
return with_parens(body, toks)
def read_paren(self, toks):
return with_parens(self.read_deriv, toks)
