def __init__(self, grammar_file):
self.grammar = driver.load_grammar(grammar_file)
self.driver = driver.Driver(self.grammar, convert=self.pconvert)
from . import pretty
class SyntaxError(Exception):
def __init__(self, message='', **kwarg):
self.message = message
self.context = kwarg
class Symbol(object):
def __init__(self, grammar):
for (k, v) in grammar.symbol2number.items():
setattr(self, k, v)
import os.path
gfile = os.path.join(os.path.dirname(__file__), 'Grammar.txt')
grammar = driver.load_grammar(gfile)
symbol = Symbol(grammar)
class Node(object):
__slots__ = ('lineno', 'col')
def __init__(self, context):
if context:
self.lineno, self.col = context[1]
def __iter__(self):
return iter(self.children)
def __getitem__(self, index):
return self.children[index]
def __len__(self):
return len(self.children)
def __pretty__(self, p, cycle):
if cycle: