def __new__(mcls, name, bases, dct):
result = super().__new__(mcls, name, bases, dct)
if name == 'Nonterm' or name == 'ListNonterm':
return result
if not result.__doc__:
result.__doc__ = '%nonterm'
for name, attr in result.__dict__.items():
if (name.startswith('reduce_')
and isinstance(attr, types.FunctionType)):
if attr.__doc__ is None:
tokens = name.split('_')
if name == 'reduce_empty':
tokens = ['reduce', '<e>']
doc = r'%reduce {}'.format(' '.join(tokens[1:]))
prec = getattr(attr, '__parsing_precedence__', None)
if prec is not None:
doc += ' [{}]'.format(prec)
attr = lambda self, *args, meth=attr: meth(self, *args)
attr.__doc__ = doc
a = pctx.has_context(attr)
a.__doc__ = attr.__doc__
setattr(result, name, a)
return result
def __new__(mcls, name, bases, dct, *, type):
result = super().__new__(mcls, name, bases, dct)
assert type in keywords.keyword_types
for val, token in keywords.by_type[type].items():
def method(inst, *kids):
inst.val = kids[0].val
method = context.has_context(method)
method.__doc__ = "%%reduce %s" % token
method.__name__ = 'reduce_%s' % token
setattr(result, method.__name__, method)
return result