def prove(self, MaudeModule):
""" try to locate a useful Maude install and start up
a subprocess which takes our generated module as input,
and naturally tries to prove it"""
whichMaude = Main.which(self.defaults['Maude'])
if not whichMaude:
sys.stderr.write("[ERROR] excutable Maude not found \n")
sys.exit(1)
else:
(fd, fname) = tempfile.mkstemp(suffix=".maude",
prefix="monologue-",
text=1)
if self.defaults['print']:
if self.versionCheck(whichMaude):
MaudeModule = self.removePrintComments(MaudeModule)
os.write(fd, MaudeModule)
os.close(fd)
args = []
args.append('-no-banner')
args.append('-no-ansi-color')
args.append(fname)
child = SubProcess(whichMaude,
args,
self.defaults['escape'],
self.defaults['timeout'],
self.defaults['output'])
child.start()
#TODO subprocess(whichMaude, args, escape, timeout)
os.unlink(fname)
def versionCheck(self, whichMaude):
""" we need version 2.4 or better to do uncomment print statements """
version = SubProcess.spoof(whichMaude + " --version").strip()
if re.match("^\d+\.\d+$", version):
if float( version ) < 2.4:
sys.stderr.write("[WARNING] your Maude version has no 'print' statement\n")
return 0
else:
if re.match("^alpha.*$", version):
sys.stderr.write("[WARNING] your are running an Alpha version\n")
sys.stderr.write("[WARNING] it may not support 'print' statement\n")
sys.stderr.write("[WARNING] do this at your own risk\n")
return 1