xas.py

#!/usr/bin/env python
import os
if not os.path.isdir("vmsystem"):
	print("changing to script location...")
	os.chdir(os.path.dirname(os.path.abspath(__file__)))


import vmsystem.libbaltcalc as libbaltcalc
import sys
import vmsystem.iofuncts as iofuncts
import vmsystem.xaslib as xaslib
#common vars:
xasvers=xaslib.xasvers
versint=xaslib.versint



if __name__=="__main__":
	try:
		cmd=sys.argv[1]
	except:
		cmd=None
	try:
		arg=sys.argv[2]
	except:
		arg=None
	if cmd in ['help', '-h', '--help']:
		print('''SBTCVM eXtensible Assembly Script (XAS) v2
For SBTCVM Gen2-9.
help, -h, --help: this help
   -i, [no argument]: run XAS in interactive shell mode.
   -v, --version: SBTCVM XAS version
   -a, --about: about SBTCVM
   -s, --syntax: assembly syntax check mode
   -b, --build (xasname): run xas script.
   (xasname): same as -b/--build''')
	elif cmd in ['-v', '--version']:
		print(xasvers)
	elif cmd in ["-a", "--about"]:
		print('''SBTCVM eXtensible Assembly Script (XAS) v2
''' + xasvers + '''
part of SBTCVM-Gen2-9 (v2.1.0.alpha)

Copyright (c) 2016-2022 Thomas Leathers and Contributors 

see readme.md for more information and licensing of media.

  SBTCVM Gen2-9 is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.
  
  SBTCVM Gen2-9 is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with SBTCVM Gen2-9. If not, see <http://www.gnu.org/licenses/>
  
  ''')
	elif cmd in ["-i"]:
		xaslib.xasshell()
	elif cmd==None:
		xaslib.xasshell()
	elif cmd.startswith("-"):
		print("Unknown option: '" + cmd + "' try xas.py -h for help.") 
	else:
		if cmd in ['-b', '--build', '-s', '--syntax']:
			argx=arg
		else:
			argx=cmd
		if cmd in ['-s', '--syntax']:
			syntaxonly=1
		else:
			syntaxonly=0
		pathx=iofuncts.findtrom(argx, ext=".xas", exitonfail=1, exitmsg="xas file was not found. STOP", dirauto=1)
		if xaslib.xasparse(pathx, syntaxonly):
			sys.exit("The script was not run successfully.")