def test_issue_16():
parser = ParserPEG(grammar, "calc", skipws=False)
input_expr = """public function __construct( )"""
parse_tree = parser.parse(input_expr)
# Do semantic analysis. Do not use default actions.
asg = parser.getASG(sem_actions=sem_actions, defaults=False)
assert asg
def test_issue_16():
parser = ParserPEG(grammar, "calc", skipws=False)
input_expr = """public function __construct( )"""
parse_tree = parser.parse(input_expr)
# Do semantic analysis. Do not use default actions.
asg = parser.getASG(sem_actions=sem_actions, defaults=False)
assert asg
def main(debug=False):
# First we will make a parser - an instance of the calc parser model.
# Parser model is given in the form of PEG notation therefore we
# are using ParserPEG class. Root rule name (parsing expression) is "calc".
parser = ParserPEG(calc_grammar, "calc", debug=debug)
# An expression we want to evaluate
input_expr = "-(4-1)*5+(2+4.67)+5.89/(.2+7)"
# Then parse tree is created out of the input_expr expression.
parse_tree = parser.parse(input_expr)
result = parser.getASG(sem_actions)
# getASG will start semantic analysis.
# In this case semantic analysis will evaluate expression and
# returned value will be evaluated result of the input_expr expression.
# Semantic actions are supplied to the getASG function.
print("{} = {}".format(input_expr, result))
def main(debug=False):
# First we will make a parser - an instance of the calc parser model.
# Parser model is given in the form of PEG notation therefore we
# are using ParserPEG class. Root rule name (parsing expression) is "calc".
parser = ParserPEG(calc_grammar, "calc", True)
# An expression we want to evaluate
input_expr = "-(4-1)*5+(2+4.67)+5.89/(.2+7)"
# Then parse tree is created out of the input_expr expression.
parse_tree = parser.parse(input_expr)
result = parser.getASG(sem_actions)
if debug:
# getASG will start semantic analysis.
# In this case semantic analysis will evaluate expression and
# returned value will be evaluated result of the input_expr expression.
# Semantic actions are supplied to the getASG function.
print("{} = {}".format(input_expr, result))
