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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# AWL simulator - Commandline interface
# Copyright 2012 Michael Buesch <m@bues.ch>
#
# Licensed under the terms of the GNU General Public License version 2.
#
import getopt
from awlsim import *
opt_onecycle = False
opt_quiet = False
def usage():
print("%s [OPTIONS] AWL-source" % sys.argv[0])
print("")
print("Options:")
print(" -1|--onecycle Only run one cycle")
print(" -q|--quiet No status messages")
def writeStdout(message):
if not opt_quiet:
sys.stdout.write(message)
sys.stdout.flush()
nextScreenUpdate = 0.0
lastDump = ""
def blockExitCallback(cpu):
global nextScreenUpdate
global lastDump
now = time.time()
if now < nextScreenUpdate and\
not opt_onecycle:
return
nextScreenUpdate = now + 0.1
dump = str(cpu)
# Pad lines
dump = [ line + (79 - len(line)) * ' ' + '|'
for line in dump.splitlines() ]
dump = '\n'.join(dump)
lastDump = dump
writeStdout("\x1B[H" + dump)
def main():
global opt_onecycle
global opt_quiet
try:
(opts, args) = getopt.getopt(sys.argv[1:],
"h1q",
[ "help", "onecycle", "quiet", ])
except getopt.GetoptError as e:
print(e)
usage()
return 1
for (o, v) in opts:
if o in ("-h", "--help"):
usage()
return 0
if o in ("-1", "--onecycle"):
opt_onecycle = True
if o in ("-q", "--quiet"):
opt_quiet = True
if len(args) != 1:
usage()
return 1
awlSource = args[0]
try:
p = AwlParser()
p.parseFile(awlSource)
s = AwlSim()
s.load(p.getParseTree())
s.getCPU().setBlockExitCallback(blockExitCallback,
s.getCPU())
try:
writeStdout("\x1B[?25l\x1B[2J")
while 1:
s.runCycle()
if opt_onecycle:
break
finally:
writeStdout("\x1B[?25h\x1B[2J\x1B[H")
writeStdout(lastDump + '\n')
except AwlSimError as e:
print("-- AWL simulator error --")
print(str(e))
return 1
return 0
if __name__ == "__main__":
sys.exit(main())
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