def test_and(self):
actions = []
def and_action(parser, tokens):
actions.append(tokens)
return tokens
hede = Word() + Word()
hede.set_action(and_action)
hede.parse_string({}, 'a b')
self.assertEquals(actions, [['a', 'b']])
def test_infix(self):
actions = []
def infix_action(parser, tokens):
actions.append(tokens)
return tokens
var = Word()
def var_action(parser, tokens):
actions.extend(tokens)
return tokens[0]
var.set_action(var_action)
hede = Infix(var, Literal("+"))
hede.set_action(infix_action)
hede.parse_string({}, 'a + b')
self.assertEquals(actions, ['a', 'b', ['a', '+', 'b']])
def test_optional_and(self):
varname = Word()
actions = []
def varname_action(parser, tokens):
actions.append(tokens)
return tokens
varname.set_action(varname_action)
trailer = varname + Optional(Word())
def trailer_action(parser, tokens):
actions.append(tokens)
return tokens
trailer.set_action(trailer_action)
print trailer.parse_string({}, "var")
self.assertEquals(actions, [['var'], ['var', None]])
actions = []
print trailer.parse_string({}, "var var2")
print "sadasd" + str(actions)
context = self.contexts[-1]
if len(self.contexts) > 1 and varname not in context:
context[varname] = len(context)
def get_var(self, varname):
context = self.contexts[-1]
if varname not in context:
return -1
return context[varname]
def __str__(self):
return self.__repr__()
word = Word()
varname = Word()
string = quotedString.copy()
def varname_action(parser, tokens):
var_index = parser.get_var(tokens[0])
if var_index != -1:
parser.add_instruction("pushlocal %s" % var_index)
else:
index = parser.add_atom("str", tokens[0])
parser.add_instruction("pushglobal %s" % index)
return tokens
varname.set_action(varname_action)
def string_action(parser, tokens):