def test_parser(program):
from compiler.parser import Parser
p = Parser(program)
try:
while True:
p.system_goal()
break
except (SyntaxError, LexicalError) as e:
print "Lexical or Syntax error occured with char: '%s'" % e.err
else:
for o in p.output:
print o
def test_system_goal(self):
t1 = None
with open( self.input_file, 'w') as f:
f.write('BEGIN A := BB + 314 + A; END$')
with open(self.input_file, 'r') as f:
p = Parser(f)
p.system_goal()
with open(self.output_file, 'r') as f:
t1 = f.read()
os.remove(self.output_file)
os.remove(self.input_file)
self.assertEqual(t1, "HALT")
def test_compile(in_file, out_file):
from compiler.parser import Parser
p = Parser(in_file)
try:
output = WriteObj()
sys.stdout = output
p.system_goal()
except Exception as e:
print traceback.format_exc()
else:
sys.stdout = sys.__stdout__
out_file.write(output.content)
print "Compiled to location: %s" % out_file.name
if p.errors:
print "The following errors where detected and recovery was attempted"
for err in p.errors:
print err
