def symtree(t):
if not isinstance(t, list):
return t
if t[0] in sym_name:
return [(sym_name.get(t[0]), t[0])] + list(map(symtree, t[1:]))
elif t[0] in tok_name:
return [(tok_name.get(t[0]), t[0])] + list(map(symtree, t[1:]))
else:
assert 0, t
def name(elt):
return "%s[%s]"% (sym_name.get(elt,elt),elt)