def parse_expr(expr_as_text:str) -> Expr:
whole_text = '''
[INPUT_VARIABLES]
[OUTPUT_VARIABLES]
[ASSUMPTIONS]
[GUARANTEES]
{0};
'''.format(expr_as_text)
return dict(par_parser.parse(whole_text))[PAR_GUARANTEES][0]
def parse_ltl(par_text: str, logger: Logger) -> dict:
#TODO: current version of parser is very restrictive: it allows only the specs of the form:
# Forall (i,j..) ass_i_j -> (Forall(k) gua_k * Forall(l,m) gua_l_m)
# it is impossible to have:
# (Forall(i) a_i -> Forall(k) g_k) * (Forall(i,j) a_i_j -> Forall(i) g_i)
# what we can have is:
# (Forall(i,j,k) ((a_i -> g_i)) * (Forall(i,j) a_i_j -> g_i)
""" Return {section:data}, see sections in syntax_desc """
logger.info('parsing input spec..')
section_name_to_data = dict(par_parser.parse(par_text, lexer=par_lexer))
#TODO: check unknown signals
return section_name_to_data
def test_priorities(self):
whole_text = '''
[INPUT_VARIABLES]
[OUTPUT_VARIABLES]
[ASSUMPTIONS]
[GUARANTEES]
{0};
'''
text = whole_text.format('b_0=1 -> c_0=1 * c_1=1 * c_2=1 * c_3=1')
section_data = dict(par_parser.parse(text))
expressions = section_data[PAR_GUARANTEES]
assert len(expressions) == 1, str(expressions)
assert expressions[0].name == '->'
def test_priorities(self):
whole_text = '''
[INPUT_VARIABLES]
[OUTPUT_VARIABLES]
[ASSUMPTIONS]
[GUARANTEES]
{0};
'''
text = whole_text.format('b_0=1 -> c_0=1 * c_1=1 * c_2=1 * c_3=1')
section_data = dict(par_parser.parse(text))
expressions = section_data[PAR_GUARANTEES]
assert len(expressions) == 1, str(expressions)
assert expressions[0].name == '->'
def parse_ltl(par_text:str, logger:Logger) -> dict:
#TODO: current version of parser is very restrictive: it allows only the specs of the form:
# Forall (i,j..) ass_i_j -> (Forall(k) gua_k * Forall(l,m) gua_l_m)
# it is impossible to have:
# (Forall(i) a_i -> Forall(k) g_k) * (Forall(i,j) a_i_j -> Forall(i) g_i)
# what we can have is:
# (Forall(i,j,k) ((a_i -> g_i)) * (Forall(i,j) a_i_j -> g_i)
""" Return {section:data}, see sections in syntax_desc """
logger.info('parsing input spec..')
section_name_to_data = dict(par_parser.parse(par_text, lexer=par_lexer))
#TODO: check unknown signals
return section_name_to_data
