util.py
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00001 #!/usr/bin/env python
00002 # -*- python -*-
00003 #
00004 #  @file util.py
00005 #  @brief doil backend utility module
00006 #  @date $Date$
00007 #  @author Noriaki Ando <n-ando@aist.go.jp>
00008 # 
00009 # This module is almost same as omniidl_be/cxx/util.py
00010 #
00011 #  $Id$
00012 # 
00013 
00014 """General utility functions used by the doil backend"""
00015 
00016 from omniidl import idlutil, idltype
00017 from omniidl_be.doil import config
00018 import sys, re, string
00019 
00020 try:
00021     import traceback
00022     have_traceback = 1
00023 except:
00024     have_traceback = 0
00025 
00026 
00027 ## Fatal error handling function ##################################
00028 ##
00029 def fatalError(explanation):
00030     if config.state['Debug']:
00031         # don't exit the program in debug mode...
00032         print "omniidl: fatalError occurred, in debug mode."
00033         for line in string.split(explanation, "\n"):
00034             print ">> " + line
00035         print "Configuration state:"
00036         print "-------------------------"
00037         config.state.dump()
00038 
00039         if have_traceback:
00040             print "Stack:"
00041             print "-------------------------"
00042             traceback.print_stack()
00043             print "Exception:"
00044             print "-------------------------"
00045             traceback.print_exc()
00046         sys.exit(1)
00047     
00048     lines = string.split(explanation, "\n")
00049     lines = [ "Fatal error in doil backend", "" ] + lines
00050 
00051     for line in lines:
00052         sys.stderr.write("omniidl: " + line + "\n")
00053 
00054     sys.stderr.write("""\
00055 
00056 For more information (mailing list archives, bug reports etc.) please visit
00057 the webpage:
00058 
00059   http://www.openrtm.org/
00060 
00061 """)
00062     sys.exit(1)
00063 
00064 # Called whenever an unsupported IDL construct is found in the input
00065 # (necessary because the front end supports all the new CORBA 2.3
00066 # constructs whereas the ORB and correspondingly this backend does not)
00067 def unsupportedIDL():
00068     e = """\
00069 Unsupported IDL construct encountered in input.
00070 
00071 omniORB does not currently support:
00072   IDL type valuetype
00073 """
00074     fatalError(e)
00075     
00076 
00077 ## Set manipulation functions ######################################
00078 ##
00079 def union(a, b):
00080     result = a[:]
00081     for x in b:
00082         if x not in result:
00083             result.append(x)
00084     return result
00085 
00086 def minus(a, b):
00087     result = []
00088     for x in a:
00089         if x not in b:
00090             result.append(x)
00091     return result
00092 
00093 def intersect(a, b):
00094     result = []
00095     for x in a:
00096         if x in b:
00097             result.append(x)
00098     return result
00099 
00100 def setify(set):
00101     new_set = []
00102     for x in set:
00103         if x not in new_set:
00104             new_set.append(x)
00105 
00106     return new_set
00107 
00108 ## List manipulation functions #####################################
00109 ##
00110 def zip(a, b):
00111     if a == [] or b == []: return []
00112     return [(a[0], b[0])] + zip(a[1:], b[1:])
00113 
00114 def fold(list, base, fn):
00115     if len(list) == 1:
00116         return fn(list[0], base)
00117     first = fn(list[0], list[1])
00118     rest = [first] + list[2:]
00119     return fold(rest, base, fn)
00120 
00121 ## Assorted other functions ########################################
00122 ##
00123 class Stack:
00124     def __init__(self):
00125         self.__list = []
00126     def push(self, thing):
00127         self.__list.append(thing)
00128     def pop(self):
00129         if self.__list == []: raise "Stack Empty"
00130         thing = self.__list[-1]
00131         self.__list = self.__list[0:-1]
00132         return thing


openrtm_aist
Author(s): Noriaki Ando
autogenerated on Sun Mar 26 2017 03:37:17