# -*- python -*- # Package : omniidl # __init__.py Created on: 1999/11/3 # Author : David Scott (djs) # # 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: # # Entrypoint to the C++ backend # $Id: __init__.py,v 1.18.2.12 2001/04/25 17:07:21 dpg1 Exp $ # $Log: __init__.py,v $ # Revision 1.18.2.12 2001/04/25 17:07:21 dpg1 # Properly handle files #included at non-file scope. # # Revision 1.18.2.11 2001/04/25 16:55:07 dpg1 # Properly handle files #included at non-file scope. # # Revision 1.18.2.10 2000/08/14 19:34:44 djs # Performs a quick scan of the AST looking for unsupported IDL constructs # before doing anything else. # # Revision 1.18.2.9 2000/08/07 15:34:34 dpg1 # Partial back-port of long long from omni3_1_develop. # # Revision 1.18.2.8 2000/07/18 15:34:17 djs # Added -Wbvirtual_objref option to make attribute and operation _objref # methods virtual # # Revision 1.18.2.7 2000/06/26 16:23:09 djs # Added new backend arguments. # Better error handling when encountering unsupported IDL (eg valuetypes) # Refactoring of configuration state mechanism. # # Revision 1.18.2.6 2000/05/31 15:11:11 dpg1 # C++ back-end properly handles Windows paths. # # Revision 1.18.2.5 2000/05/24 17:16:34 dpg1 # Minor omniidl usage message fix. # # Revision 1.18.2.4 2000/05/04 14:34:50 djs # Added new flag splice-modules which causes all continuations to be output # as one lump. Default is now to output them in pieces following the IDL. # # Revision 1.18.2.3 2000/04/26 18:22:12 djs # Rewrote type mapping code (now in types.py) # Rewrote identifier handling code (now in id.py) # # Revision 1.18.2.2 2000/02/18 23:01:19 djs # Updated example implementation code generating module # # Revision 1.18.2.1 2000/02/14 18:34:57 dpg1 # New omniidl merged in. # # Revision 1.18 2000/01/13 11:45:47 djs # Added option to customise C++ reserved word name escaping # # Revision 1.17 2000/01/13 10:52:04 djs # Rewritten argument handling # Added options to specify the header and stubs file prefix, mirroring omniidl3 # # Revision 1.16 2000/01/12 19:54:47 djs # Added option to generate old CORBA 2.1 signatures for skeletons # # Revision 1.15 2000/01/12 17:48:27 djs # Added option to create BOA compatible skeletons (same as -BBOA in omniidl3) # # Revision 1.14 2000/01/11 14:12:41 djs # Updated commandline option help to include Fragment generation # # Revision 1.13 2000/01/11 11:35:36 djs # Added support for fragment generation (-F) mode # # Revision 1.12 2000/01/10 15:39:34 djs # Better name and scope handling. # # Revision 1.11 1999/12/24 18:20:12 djs # Builds list of IDL files #included by walking the AST and examining the # file() of each Decl node. # # Revision 1.10 1999/12/09 20:41:24 djs # Now runs typecode and any generator # # Revision 1.9 1999/12/01 17:05:13 djs # Backend now supports command line arguments # # Revision 1.8 1999/11/29 19:26:59 djs # Code tidied and moved around. Some redundant code eliminated. # # Revision 1.7 1999/11/17 20:37:09 djs # General util functions # # Revision 1.6 1999/11/15 19:10:54 djs # Added module for utility functions specific to generating skeletons # Union skeletons working # # Revision 1.5 1999/11/12 17:17:45 djs # Creates output files rather than using stdout # Utility functions useful for skeleton generation added # # Revision 1.4 1999/11/08 19:28:56 djs # Rewrite of sequence template code # Fixed lots of typedef problems # # Revision 1.3 1999/11/04 19:05:01 djs # Finished moving code from tmp_omniidl. Regression tests ok. # # Revision 1.2 1999/11/03 17:35:06 djs # Brought more of the old tmp_omniidl code into the new tree # # Revision 1.1 1999/11/03 11:09:49 djs # General module renaming # # From http://www-i3.informatik.rwth-aachen.de/funny/babbage.html: # ... # C. A. R. Hoare, in his 1980 ACM Turing Award lecture, told of two # ways of constructing a software design: "One way is to make it so # simple that there are obviously no deficiencies and the other way # is to make it so complicated that there are no obvious deficiencies." # # ----------------------------- # Output generation functions from omniidl_be.cxx import header from omniidl_be.cxx import skel from omniidl_be.cxx import dynskel from omniidl_be.cxx import impl from omniidl_be.cxx import id from omniidl_be.cxx import support from omniidl_be.cxx import config import re, sys, os.path cpp_args = ["-D__OMNIIDL_CXX__"] usage_string = """\ -Wbh= Specify suffix for generated header files -Wbs= Specify suffix for generated stub files -Wbd= Specify suffix for generated dynamic files -Wba Generate code for TypeCodes and Any -Wbtp Generate 'tie' implementation skeletons -Wbtf Generate flattened 'tie' implementation skeletons -Wbsplice-modules Splice together multiply opened modules into one -Wbexample Generate example implementation code -WbF Generate code fragments (for expert only) -WbBOA Generate BOA compatible skeletons -Wbold Generate old CORBA 2.1 signatures for skeletons -Wbold_prefix Map C++ reserved words with prefix _ -Wbinline Generate code for #included files inline with the main file -Wbkeep_inc_path Preserve IDL #include path in header #includes -Wbuse_quotes Use quotes in #includes: \"foo\" rather than """ # Encountering an unknown AST node will cause an AttributeError exception # to be thrown in one of the visitors. Store a list of those not-supported # so we can produce a friendly error message later. AST_unsupported_nodes = [ "Native", "StateMember", "Factory", "ValueForward", "ValueBox", "ValueAbs", "Value" ] def process_args(args): for arg in args: if arg == "a": config.state['Typecode'] = 1 elif arg == "tp": config.state['Normal Tie'] = 1 elif arg == "tf": config.state['Flattened Tie'] = 1 elif arg == "splice-modules": config.state['Splice Modules'] = 1 elif arg == "example": config.state['Example Code'] = 1 elif arg == "F": config.state['Fragment'] = 1 elif arg == "BOA": config.state['BOA Skeletons'] = 1 elif arg == "old": config.state['Old Signatures'] = 0 elif arg == "old_prefix": config.state['Reserved Prefix'] = "_" elif arg == "keep_inc_path": config.state['Keep Include Path'] = 1 elif arg == "use_quotes": config.state['Use Quotes'] = 1 elif arg == "virtual_objref": config.state['Virtual Objref Methods'] = 1 elif arg == "debug": config.state['Debug'] = 1 elif arg[:2] == "h=": config.state['HH Suffix'] = arg[2:] elif arg[:2] == "s=": config.state['SK Suffix'] = arg[2:] elif arg[:2] == "d=": config.state['DYNSK Suffix'] = arg[2:] elif arg == "inline": config.state['Inline Includes'] = 1 else: util.fatalError("Argument \"" + str(arg) + "\" is unknown") def run(tree, args): """Entrypoint to the C++ backend""" dirname, filename = os.path.split(tree.file()) basename,ext = os.path.splitext(filename) config.state['Basename'] = basename config.state['Directory'] = dirname process_args(args) try: # Check the input tree only contains stuff we understand support.checkIDL(tree) # build the list of include files, and annotate nodes which # should be processed in this run walker = config.WalkTreeForIncludes() tree.accept(walker) environments = id.WalkTree() tree.accept(environments) header.run(tree) skel.run(tree) # if we're generating code for Typecodes and Any then # we need to create the DynSK.cc file if config.state['Typecode']: dynskel.run(tree) if config.state['Example Code']: impl.run(tree) except AttributeError, e: name = e[0] unsupported_visitors = map(lambda x:"visit" + x, AST_unsupported_nodes[:]) if name in unsupported_visitors: util.unsupportedIDL() util.fatalError("An AttributeError exception was caught") except SystemExit, e: # fatalError function throws SystemExit exception # *** Should delete partial output files here raise e except: util.fatalError("An internal exception was caught")