src/vut_front_end.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3 """
   4 =======================================
   5 module_name: vut_front_end
   6 ---------------------------------------
   7 Author: Rodrigo Peixoto
   8 Data: 10/02/2008
   9 ---------------------------------------
  10 Description:
  11  - This module runs all the gerenation
  12  process.
  13 =======================================
  14 License: GPL
  15 ======================================================================
  16
  17 This program is free software: you can redistribute it and/or modify
  18 it under the terms of the GNU General Public License as published by
  19 the Free Software Foundation, either version 3 of the License, or
  20 (at your option) any later version.
  21
  22 This program is distributed in the hope that it will be useful,
  23 but WITHOUT ANY WARRANTY; without even the implied warranty of
  24 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  25 GNU General Public License for more details.
  26
  27 You should have received a copy of the GNU General Public License
  28 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  29
  30 =======================================================================
  31 """
  32 from vut_checker import *
  33 from vut_generator import *
  34 from vut_parser import *
  35 import sys
  36
  37 ARGS_CAN_BE = ['skeleton','makefile']
  38
  39 def verify_parameters(params):
  40     l = len(params)
  41     executable_name = params[0]
  42     params = params[1:]
  43     ret = {}
  44     aux = []
  45     for param in params:
  46         aux = param.split('=')
  47         ret[aux[0]]= aux[1].split(',')
  48
  49     aux = None
  50     return ret
  51
  52 class InvalidArgumentException(Exception):
  53     pass
  54
  55 def run_vut_generator(args=[]):
  56     #arg = "example5.vut"
  57     #args = sys.argv
  58     flags = verify_parameters(args)
  59     print flags
  60     lflags = len(flags)
  61     gen_param = []
  62     try:
  63         try:
  64             file_name = flags['vut_file'][0]
  65         except KeyError:
  66             raise InvalidArgumentException()
  67
  68         try:
  69             gen_param = flags['gen']
  70             assert set(gen_param).issubset(set(ARGS_CAN_BE)), "Error, the gen's values are wrong!"
  71         except KeyError:
  72             if lflags == 2: raise InvalidArgumentException()
  73
  74 #        if len(args) == 3:
  75 #            if args[1] in ARGS_CAN_BE:
  76 #                gen_param = args[1]
  77 #                file_name = args[2]
  78 #            else:
  79 #                raise InvalidArgumentException()
  80
  81 #        elif (len(args) == 2):
  82 #            file_name = args[1]
  83 #        else:
  84 #            raise InvalidArgumentException()
  85
  86         print "#################"
  87         print "# @VUTGenerator #"
  88         print "#################"
  89         print "Phases: Check -> Parse -> Code Generation"
  90         print "\nPHASE 1 [Check] --------------------------------------------\n"
  91         VUTChercker(file_name).check_all()
  92         print "\nPHASE 2 [Parse] --------------------------------------------\n"
  93         vm = VUTParser(file_name).parse_all()
  94         print "\nPHASE 3 [Code Generation] --------------------------------------------\n"
  95         VUTGenerator(vm,gen_param).gen()
  96         #VUTGenerator(vm).gen()
  97         print u"\n\nGeneration complete @VUTGenerator."
  98
  99     except InvalidArgumentException:
 100         print "The arguments are not valid. Please, check it out."
 101         print "Usage: ./vutg gen=<item1>,<item2> vut_file=<file_name.vut>"
 102
 103     except KeyboardInterrupt:
 104         print u"\n\nGeneration interrupted! @VUTGenerator."
 105
 106 if __name__=="__main__":
 107     run_vut_generator("vutg gen=skeleton,makefile vu_file=example5.vut")
 108