main.py

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#!/usr/bin/env python
# -*- python -*-
#                           Package   : omniidl
# main.py                   Created on: 1999/11/05
#			    Author    : Duncan Grisby (dpg1)
#
#    Copyright (C) 1999 AT&T Laboratories Cambridge
#
#  This file is part of omniidl.
#
#  omniidl 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 2 of the License, or
#  (at your option) any later version.
#
#  This program 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 this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
#  02111-1307, USA.
#
# Description:
#   
#   IDL compiler main function

# $Id: main.py,v 1.17.2.15 2004/10/17 20:14:35 dgrisby Exp $
# $Log: main.py,v $
# Revision 1.17.2.15  2004/10/17 20:14:35  dgrisby
# Updated support for OpenVMS. Many thanks to Bruce Visscher.
#
# Revision 1.17.2.14  2004/07/01 19:17:42  dgrisby
# Cope with spaces in -I arguments.
#
# Revision 1.17.2.13  2002/12/19 13:55:14  dgrisby
# Don't try to delete non-existent file when no preprocessor.
#
# Revision 1.17.2.12  2002/10/28 12:20:45  dgrisby
# Editing mishap.
#
# Revision 1.17.2.11  2002/10/28 11:56:50  dgrisby
# Work around VC++ 7 problem with FILE* change.
#
# Revision 1.17.2.10  2002/06/05 22:26:32  dgrisby
# Cope with spaces in paths to IDL files.
#
# Revision 1.17.2.9  2002/04/25 23:12:44  dgrisby
# Bug with invalid omniidl option reporting.
#
# Revision 1.17.2.8  2002/04/25 20:33:20  dgrisby
# Better job of looking for omnicpp.
#
# Revision 1.17.2.7  2002/03/13 17:41:42  dpg1
# omniidl had problems finding omnicpp on Windows.
#
# Revision 1.17.2.6  2002/02/18 11:59:23  dpg1
# Full autoconf support.
#
# Revision 1.17.2.5  2001/11/14 17:13:44  dpg1
# Long double support.
#
# Revision 1.17.2.4  2001/10/17 16:48:35  dpg1
# Minor error message tweaks
#
# Revision 1.17.2.3  2000/12/05 17:45:22  dpg1
# omniidl case sensitivity updates from omni3_develop.
#
# Revision 1.17.2.2  2000/10/10 10:18:54  dpg1
# Update omniidl front-end from omni3_develop.
#
# Revision 1.15.2.17  2000/09/11 14:36:50  dpg1
# New -T option to work around Win98 pipe problems.
#
# Revision 1.15.2.16  2000/09/06 11:20:50  dpg1
# Support for Python 1.6 and 2.0b1.
#
# [...truncated...]
#

"""IDL Compiler front-end main function"""

import sys

if sys.hexversion < 0x10502f0:
    sys.stderr.write("\n\n")
    sys.stderr.write("omniidl: WARNING!!\n\n")
    sys.stderr.write("omniidl: Python version 1.5.2 or later is required.\n")
    sys.stderr.write("omniidl: " + sys.executable + " is version " + \
                     sys.version + "\n")
    sys.stderr.write("omniidl: Execution is likely to fail.\n")
    sys.stderr.write("\n\n\n")
    sys.stderr.flush()

import _omniidl
import getopt, os, os.path, string

import idlast, idltype

cmdname = "omniidl"

StringType = type("")

def version():
    print "omniidl version 1.0"

def usage():
    global backends
    print "\nUsage:", cmdname, "-b<back_end> [flags] file1 file2 ..."
    print """
The supported flags are:

  -Dname[=value]  Define name for preprocessor
  -Uname          Undefine name for preprocessor
  -Idir           Include dir in search path for preprocessor
  -E              Run preprocessor only, print on stdout
  -Ycmd           Set command for the preprocessor
  -N              Do not run preprocessor
  -P              Add defines relevant to platform dependencies (internal use)
  -T              Use a temporary file, not a pipe, for preprocessor output
  -Wparg[,arg...] Send args to the preprocessor
  -bback_end      Select a back-end to be used. More than one permitted
  -Wbarg[,arg...] Send args to the back-end
  -nf             Do not warn about unresolved forward declarations
  -nc             Do not treat identifiers differing only in case as an error
  -k              Comments after declarations are kept for the back-ends
  -K              Comments before declarations are kept for the back-ends
  -Cdir           Change directory to dir before writing output
  -d              Dump the parsed IDL then exit
  -i              Enter interactive mode after parsing the IDL
  -pdir           Path to omniidl back-ends ($TOP/lib/python)
  -V              Print version info then exit
  -u              Print this usage message and exit
  -v              Trace compilation stages"""

    if backends == []:
        print """
You must select a target back-end with -b. For C++, use -bcxx:

  omniidl -bcxx file.idl

To see options specific to C++, use:

  omniidl -bcxx -u
"""

preprocessor_name = "omnicpp"
preprocessor_args = []
preprocessor_only = 0

if sys.platform == "win32":
    exe_suffix = ".exe"
else:
    exe_suffix = ""

if sys.platform != "OpenVMS":
    preprocessor_paths = []
    if hasattr(_omniidl, "__file__"):
        preprocessor_paths.append(os.path.dirname(_omniidl.__file__))

    preprocessor_paths.append(os.path.dirname(sys.argv[0]))

    preprocessor = preprocessor_name
    for preprocessor_path in preprocessor_paths:
        if os.path.isfile(os.path.join(preprocessor_path,
                                       preprocessor_name + exe_suffix)):
            preprocessor = os.path.join(preprocessor_path, preprocessor_name)
            break

    preprocessor_cmd  = preprocessor + " -lang-c++ -undef -D__OMNIIDL__=" + \
			_omniidl.version
else:
    if hasattr(_omniidl, "__file__"):
        preprocessor_path = os.path.dirname(_omniidl.__file__)
    else:
        preprocessor_path = os.path.dirname(sys.argv[0])

    names = string.split(preprocessor_path, "/")
    preprocessor_cmd = \
 	'''mcr %s:[%s]omnicpp -lang-c++ -undef "-D__OMNIIDL__=%s"'''\
 	% (names[1], string.join(names[2:],"."), _omniidl.version)

no_preprocessor   = 0
backends          = []
backends_args     = []
dump_only         = 0
cd_to             = None
verbose           = 0
quiet             = 0
print_usage       = 0
interactive       = 0
temp_file         = None

def parseArgs(args):
    global preprocessor_args, preprocessor_only, preprocessor_cmd
    global no_preprocessor, backend, backend_args, dump_only, cd_to
    global verbose, quiet, print_usage, interactive, temp_file

    paths = []

    try:
        opts,files = getopt.getopt(args, "D:I:U:EY:NW:b:n:kKC:dVuhvqp:iTP")
    except getopt.error, e:
        sys.stderr.write("Error in arguments: -" + e.opt + "\n")
        sys.stderr.write("Use '" + cmdname + " -u' for usage\n")
        sys.exit(1)

    for opt in opts:
        o,a = opt

        if o == "-D":
            preprocessor_args.append("-D" + a)

        elif o == "-I":
            if sys.platform != "OpenVMS":
                preprocessor_args.append('-I "%s"' % a)
            else:
                # It would be stupid, rude, and evil to put spaces in
                # a dirname on VMS
                preprocessor_args.append('-I%s' % a)

        elif o == "-U":
            preprocessor_args.append("-U" + a)

        elif o == "-E":
            preprocessor_only = 1

        elif o == "-Y":
            preprocessor_cmd = a

        elif o == "-N":
            no_preprocessor = 1

        elif o == "-W":
            if a[0] == "p":
              preprocessor_args.extend(string.split(a[1:], ","))
            elif a[0] == "b":
                if len(backends) == 0:
                    if not quiet:
                        sys.stderr.write(cmdname + ": Error in arguments: "
                                         "no back-ends selected\n")
                    sys.exit(1)
                backends_args[-1].extend(string.split(a[1:], ","))
            else:
                if not quiet:
                    sys.stderr.write("Error in arguments: option " + o + \
                                     " not recognized\n")
                    sys.stderr.write("Use " + cmdname + " -u for usage\n")
                sys.exit(1)

        elif o == "-C":
            if not os.path.isdir(a):
                if not quiet:
                    sys.stderr.write(cmdname + ": '" + a + \
                                     "' is not a directory\n")
                sys.exit(1)
            cd_to = a