def test_b_tautology(string_b, output_file):
'''Extracts all the lisp-readable expressions passed as arguments in
string_b then either prints it to the console, or writes it to the file
object called output_file if it is not None.
Keyword Arguments:
string_b -- The lisp-readable string with the expressions to be tested
based on whether or not they are tautologies.
output_file -- The file object to write the results of the test to.
If no file was specified, this value is simply None.
Returns:
Nothing'''
#Get the expressions and values, then get the individual expressions to be evaluated by parsing the result of the first call to get_exps once more.
exps_and_vals = prog3.get_exps(prog3.remove_outer_parenthesis(string_b))
test_exps = exps_and_vals[0]
expressions_b = prog3.get_exps(prog3.remove_outer_parenthesis(test_exps))
if output_file is None:
print('\n')
else:
output_file.write('\n')
for prop in expressions_b:
if output_file is None:
is_tautology = prog3.IsTautology(prop)
print('(part_b_tautology {} {})'.format(prop,is_tautology))
else:
is_tautology = prog3.IsTautology(prop)
output_file.write('(part_b_tautology {} {})\n'.format(prop,is_tautology))
def test_b_tautology(string_b, output_file):
'''Extracts all the lisp-readable expressions passed as arguments in
string_b then either prints it to the console, or writes it to the file
object called output_file if it is not None.
Keyword Arguments:
string_b -- The lisp-readable string with the expressions to be tested
based on whether or not they are tautologies.
output_file -- The file object to write the results of the test to.
If no file was specified, this value is simply None.
Returns:
Nothing'''
#Get the expressions and values, then get the individual expressions to be evaluated by parsing the result of the first call to get_exps once more.
exps_and_vals = prog3.get_exps(prog3.remove_outer_parenthesis(string_b))
test_exps = exps_and_vals[0]
expressions_b = prog3.get_exps(prog3.remove_outer_parenthesis(test_exps))
if output_file is None:
print('\n')
else:
output_file.write('\n')
for prop in expressions_b:
if output_file is None:
is_tautology = prog3.IsTautology(prop)
print('(part_b_tautology {} {})'.format(prop, is_tautology))
else:
is_tautology = prog3.IsTautology(prop)
output_file.write('(part_b_tautology {} {})\n'.format(
prop, is_tautology))
def test_c(string_c, output_file):
'''Extracts all the lisp-readable expressions passed as arguments in
string_c then either prints it to the console, or writes it to the file
object called output_file if it is not None.
Keyword Arguments:
string_c -- The lisp-readable string with the expressions to be tested
for well-formedness in the context of FOL
output_file -- The file object to write the results of the test to.
If no file was specified, this value is simply None.
Returns:
Nothing'''
expressions_c = prog3.get_exps(prog3.remove_outer_parenthesis(string_c))
if output_file is None:
print('\n')
else:
output_file.write('\n')
for prop in expressions_c:
is_wf = prog3.wfp_checkerFOL(prop)
if output_file is None:
print('(part_c {} {})'.format(prop, is_wf))
else:
output_file.write('(part_c {} {})\n'.format(prop, is_wf))
def test_c(string_c, output_file):
'''Extracts all the lisp-readable expressions passed as arguments in
string_c then either prints it to the console, or writes it to the file
object called output_file if it is not None.
Keyword Arguments:
string_c -- The lisp-readable string with the expressions to be tested
for well-formedness in the context of FOL
output_file -- The file object to write the results of the test to.
If no file was specified, this value is simply None.
Returns:
Nothing'''
expressions_c = prog3.get_exps(prog3.remove_outer_parenthesis(string_c))
if output_file is None:
print('\n')
else:
output_file.write('\n')
for prop in expressions_c:
is_wf = prog3.wfp_checkerFOL(prop)
if output_file is None:
print('(part_c {} {})'.format(prop, is_wf))
else:
output_file.write('(part_c {} {})\n'.format(prop, is_wf))
def test_a(string_a, output_file):
'''Performs the tests for part a based on the Lisp-readable input given for part a. Determines whether the given propositions are well-formed and prints out the answer.
Keyword Arguments:
string_a -- The string starting with '(part_a' that contains the propositions to be tested for well-formedness.
output_file -- The file object to output results to. If this is None then
output is printed to the console
Returns:
Nothing.'''
expressions_a = prog3.get_exps(prog3.remove_outer_parenthesis(string_a))
for prop in expressions_a:
is_wf = prog3.wfp_checker(prop)
if output_file is None:
print('(part_a {} {})'.format(prop, is_wf))
else:
output_file.write('(part_a {} {})\n'.format(prop, is_wf))
def test_a(string_a, output_file):
'''Performs the tests for part a based on the Lisp-readable input given for part a. Determines whether the given propositions are well-formed and prints out the answer.
Keyword Arguments:
string_a -- The string starting with '(part_a' that contains the propositions to be tested for well-formedness.
output_file -- The file object to output results to. If this is None then
output is printed to the console
Returns:
Nothing.'''
expressions_a = prog3.get_exps(prog3.remove_outer_parenthesis(string_a))
for prop in expressions_a:
is_wf = prog3.wfp_checker(prop)
if output_file is None:
print('(part_a {} {})'.format(prop, is_wf))
else:
output_file.write('(part_a {} {})\n'.format(prop, is_wf))
def parse_input(input_s, output_file = None):
'''Takes a file of lisp readable input and tests that output using
three preset tests. The default mode is to print the results, but if
output_file is not None, then the results are saved to the file stream
passed to none. Note: output_file is a file object, NOT a string.
Keyword Arguments:
input_s -- The lisp-readable input string to be tested.
output_file -- The file object where results are printed (if it is not
the default None value)
returns:
Nothing'''
tests = prog3.get_exps(input_s)
for exp in tests:
if(exp[1:7] == 'part_a'):
test_a(exp, output_file)
elif exp[1:8] == 'part_b_':
test_b_tautology(exp, output_file)
elif exp[1:7] == 'part_b':
test_b(exp, output_file)
elif exp[1:7] == 'part_c':
test_c(exp, output_file)
def parse_input(input_s, output_file=None):
'''Takes a file of lisp readable input and tests that output using
three preset tests. The default mode is to print the results, but if
output_file is not None, then the results are saved to the file stream
passed to none. Note: output_file is a file object, NOT a string.
Keyword Arguments:
input_s -- The lisp-readable input string to be tested.
output_file -- The file object where results are printed (if it is not
the default None value)
returns:
Nothing'''
tests = prog3.get_exps(input_s)
for exp in tests:
if (exp[1:7] == 'part_a'):
test_a(exp, output_file)
elif exp[1:8] == 'part_b_':
test_b_tautology(exp, output_file)
elif exp[1:7] == 'part_b':
test_b(exp, output_file)
elif exp[1:7] == 'part_c':
test_c(exp, output_file)