def _define_grammer(self):
"""Define the grammar to be used, and add the various actions"""
self._define_actions()
node_name = Word(alphas, alphanums)
lb = Literal("(").suppress()
clb = Literal("(").suppress()
rb = Literal(")").suppress()
crb = Literal(")").suppress()
node = Forward()
children = clb + Group(ZeroOrMore(node)) + crb
node << lb + node_name + Optional(children) + rb
empty_tree = lb + rb
tree = node | empty_tree
self._grammar = tree
node_name.addParseAction(self._name_action)
clb.addParseAction(self._clb_action)
crb.addParseAction(self._crb_action)
def _define_grammer(self):
'''Define the grammar to be used, and add the various actions'''
self._define_actions()
node_name = Word(alphas, alphanums)
lb = Literal('(').suppress()
clb = Literal('(').suppress()
rb = Literal(')').suppress()
crb = Literal(')').suppress()
node = Forward()
children = clb + Group(ZeroOrMore(node)) + crb
node << lb + node_name + Optional(children) + rb
empty_tree = lb + rb
tree = node | empty_tree
self._grammar = tree
node_name.addParseAction(self._name_action)
clb.addParseAction(self._clb_action)
crb.addParseAction(self._crb_action)
def push_current():
global current_node, node_stack
node_stack.append(current_node)
current_node = None
def pop_current():
global current_node, node_stack
current_node = node_stack.pop()
node_name = Word(alphas, alphanums)
node_name.addParseAction(create_node)
lb = Literal('(').suppress()
clb = Literal('(').suppress()
clb.addParseAction(push_current)
rb = Literal(')').suppress()
crb = Literal(')').suppress()
crb.addParseAction(pop_current)
node = Forward()
children = clb + Group(ZeroOrMore(node)) + crb
node << lb + node_name + Optional(children) + rb
tree_str = '(c1 ((c2) (c3 ((c4) (c5))) (c6)))'
results = node.parseString(tree_str)
print(results)
writer = IndentedStringWriter()
print(writer.write(current_node))
def field_cb(tok):
if tok[0] == "array":
return ArrayField(tok[0], tok[1])
return Field(tok[0], tok[1])
def all_cb(tok):
return AllSub()
def contents_cb(tok):
return Contents(tok[0], tok[1])
field_element = field_with_type.addParseAction(
field_cb) ^ contents.addParseAction(contents_cb) ^ all_sub.addParseAction(
all_cb)
identifier = package_or_class
field_list = Suppress("[") + delimitedList(field_element) + Suppress("]")
ag_grammar = Optional(identifier)("base_id") + Optional(field_list)("fields")
site_identifier = Word(nums).addParseAction(lambda tok: int(tok[0]))
sync_node = (Literal("{s").addParseAction(lambda tok: "SYNC") +
site_identifier + Suppress("}"))
transition_node = (Suppress("{") +
Literal("t").addParseAction(lambda tok: "TR") +
site_identifier + Suppress(",") + site_identifier +
Suppress("}"))
call_node = (Literal("{").addParseAction(lambda tok: "C") + site_identifier +
def push_current():
global current_node, node_stack
node_stack.append(current_node)
current_node = None
def pop_current():
global current_node, node_stack
current_node = node_stack.pop()
node_name = Word(alphas, alphanums)
node_name.addParseAction(create_node)
lb = Literal('(').suppress()
clb = Literal('(').suppress()
clb.addParseAction(push_current)
rb = Literal(')').suppress()
crb = Literal(')').suppress()
crb.addParseAction(pop_current)
node = Forward()
children = clb + Group(ZeroOrMore(node)) + crb
node << lb + node_name + Optional(children) + rb
tree_str = '(c1 ((c2) (c3 ((c4) (c5))) (c6)))'
results = node.parseString(tree_str)
print(results)
writer = IndentedStringWriter()
print(writer.write(current_node))
