/usr/lib/omniidl/omniidl_be/cxx/skel/mangler.py is in omniidl 4.1.6-2.
This file is owned by root:root, with mode 0o644.
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# Package : omniidl
# mangler.py Created on: 1999/11/16
# Author : David Scott (djs)
#
# Copyright (C) 1999-2000 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:
# Produce mangled names for types and operation signatures
#
# $Id: mangler.py 4758 2003-03-23 21:04:39Z dgrisby $
# $Log$
# Revision 1.15.2.9 2002/11/21 16:12:52 dgrisby
# Oneway call descriptor bug.
#
# Revision 1.15.2.8 2001/11/27 14:37:25 dpg1
# long double TC descriptor.
#
# Revision 1.15.2.7 2001/11/13 15:23:52 dpg1
# Bug in forward declared structs/unions.
#
# Revision 1.15.2.6 2001/10/29 17:42:42 dpg1
# Support forward-declared structs/unions, ORB::create_recursive_tc().
#
# Revision 1.15.2.5 2001/06/08 17:12:20 dpg1
# Merge all the bug fixes from omni3_develop.
#
# Revision 1.15.2.4 2001/03/13 10:32:09 dpg1
# Fixed point support.
#
# Revision 1.15.2.3 2000/11/20 14:43:26 sll
# Added support for wchar and wstring.
#
# Revision 1.15.2.2 2000/10/12 15:37:53 sll
# Updated from omni3_1_develop.
#
# Revision 1.16.2.2 2000/09/14 16:03:59 djs
# Remodularised C++ descriptor name generator
#
# Revision 1.16.2.1 2000/08/21 11:35:33 djs
# Lots of tidying
#
# Revision 1.16 2000/07/13 15:25:59 dpg1
# Merge from omni3_develop for 3.0 release.
#
# Revision 1.13.2.5 2000/06/26 16:24:18 djs
# Refactoring of configuration state mechanism.
#
# Revision 1.13.2.4 2000/04/26 18:22:56 djs
# Rewrote type mapping code (now in types.py)
# Rewrote identifier handling code (now in id.py)
# Removed superfluous externs in front of function definitions
#
# Revision 1.13.2.3 2000/03/09 15:21:57 djs
# Better handling of internal compiler exceptions (eg attempts to use
# wide string types)
#
# Revision 1.13.2.2 2000/02/16 16:30:03 djs
# Fix to proxy call descriptor code- failed to handle special case of
# Object method(in string x)
#
# Revision 1.13.2.1 2000/02/14 18:34:53 dpg1
# New omniidl merged in.
#
# Revision 1.13 2000/01/13 17:02:05 djs
# Added support for operation contexts.
#
# Revision 1.12 2000/01/13 15:56:44 djs
# Factored out private identifier prefix rather than hard coding it all through
# the code.
#
# Revision 1.11 2000/01/13 14:16:35 djs
# Properly clears state between processing separate IDL input files
#
# Revision 1.10 1999/12/17 10:48:11 djs
# Typedef to a sequence<sequence< name mangling bug
#
# Revision 1.9 1999/12/14 17:38:25 djs
# Fixed anonymous sequences of sequences bug
#
# Revision 1.8 1999/12/14 11:53:23 djs
# Support for CORBA::TypeCode and CORBA::Any
# Exception member bugfix
#
# Revision 1.7 1999/12/13 10:50:07 djs
# Treats the two call descriptors associated with an attribute separately,
# since it can happen that one needs to be generated but not the other.
#
# Revision 1.6 1999/12/10 18:27:05 djs
# Fixed bug to do with marshalling arrays of things, mirrored in the old
# compiler
#
# Revision 1.5 1999/12/09 20:40:58 djs
# Bugfixes and integration with dynskel/ code
#
# Revision 1.4 1999/12/01 16:59:01 djs
# Fixed name generation for attributes with user exceptions.
#
# Revision 1.3 1999/11/23 18:48:26 djs
# Bugfixes, more interface operations and attributes code
#
# Revision 1.2 1999/11/19 20:09:03 djs
# Fixed signature generating bug when return type is void
#
# Revision 1.1 1999/11/17 20:37:23 djs
# Code for call descriptors and proxies
#
from omniidl import idlast, idltype
from omniidl_be.cxx import types, id, skutil, util
import string
#######################################################################
## Produce cannonical names for types and operation signatures
# Separator constants
SCOPE_SEPARATOR = "_m"
ARRAY_SEPARATOR = "_a"
SEQ_SEPARATOR = "_s"
FORWARD_SEQ_SEPARATOR = "_f"
CANNON_NAME_SEPARATOR = "_c"
ONEWAY_SEPARATOR = "_w"
IN_SEPARATOR = "_i"
OUT_SEPARATOR = "_o"
INOUT_SEPARATOR = "_n"
EXCEPTION_SEPARATOR = "_e"
# Canonical names for basic types
name_map = {
idltype.tk_short: "short",
idltype.tk_long: "long",
idltype.tk_longlong: "longlong",
idltype.tk_ushort: "unsigned_pshort",
idltype.tk_ulong: "unsigned_plong",
idltype.tk_ulonglong: "unsigned_plonglong",
idltype.tk_float: "float",
idltype.tk_double: "double",
idltype.tk_longdouble: "longdouble",
idltype.tk_char: "char",
idltype.tk_wchar: "wchar",
idltype.tk_boolean: "boolean",
idltype.tk_octet: "octet",
idltype.tk_void: "void",
idltype.tk_any: "any",
idltype.tk_TypeCode: "TypeCode",
}
# Produce a cannonical type name
def canonTypeName(type, decl = None, useScopedName = 0):
assert isinstance(type, types.Type)
type_dims = type.dims()
decl_dims = []
if decl != None:
assert isinstance(decl, idlast.Declarator)
decl_dims = decl.sizes()
# flatten a list of dimensions into a string
def dims(d):
if d == []: return ""
d_str = map(lambda x:ARRAY_SEPARATOR + str(x), d)
return string.join(d_str, "")
full_dims = decl_dims + type_dims
is_array = full_dims != []
dims_string = dims(full_dims)
# The canonical type name always has the full dimensions
# prepended to it.
canon_name = dims_string
d_type = type.deref()
# consider anonymous sequence<sequence<....
if type.sequence() and types.Type(type.type().seqType()).sequence():
bound = type.type().bound()
canon_name = canon_name + SEQ_SEPARATOR + str(bound) +\
canonTypeName(types.Type(type.type().seqType()), None,
useScopedName)
return canon_name
# sometimes we don't want to call a sequence a sequence
# (operation signatures)
if useScopedName and not is_array and \
type.typedef() and d_type.sequence():
# find the last typedef in the chain
while types.Type(type.type().decl().alias().aliasType()).typedef():
type = types.Type(type.type().decl().alias().aliasType())
scopedName = id.Name(type.type().scopedName()).guard()
return canon_name + CANNON_NAME_SEPARATOR + scopedName
# _arrays_ of sequences seem to get handled differently
# to simple aliases to sequences
if d_type.sequence():
bound = d_type.type().bound()
seqType = types.Type(d_type.type().seqType())
if seqType.structforward() or seqType.unionforward():
canon_name = canon_name + FORWARD_SEQ_SEPARATOR + str(bound)
else:
canon_name = canon_name + SEQ_SEPARATOR + str(bound)
while seqType.sequence():
bound = seqType.type().bound()
canon_name = canon_name + SEQ_SEPARATOR + str(bound)
seqType = types.Type(seqType.type().seqType())
# straight forward sequences of sequences use their
# flattened scoped name
dkd_seqType = seqType.deref(keep_dims = 1)
if not dkd_seqType.sequence():
canon_name = canon_name + canonTypeName(dkd_seqType)
return canon_name
type = seqType
d_type = type.deref()
# add in the name for the most dereferenced type
def typeName(type):
assert isinstance(type, types.Type)
d_type = type.deref()
# dereference the type, until just -before- it becomes a
# sequence. Since a sequence doesn't have a scopedName(),
# we use the scopedName() of the immediately preceeding
# typedef which is an instance of idltype.Declared
while type.typedef() and \
not types.Type(type.type().decl().alias().aliasType()).sequence():
type = types.Type(type.type().decl().alias().aliasType())
if name_map.has_key(type.type().kind()):
return name_map[type.type().kind()]
if type.string():
bound = ""
if type.type().bound() != 0:
bound = str(type.type().bound())
return bound + "string"
if type.wstring():
bound = ""
if type.type().bound() != 0:
bound = str(type.type().bound())
return bound + "wstring"
if isinstance(type.type(), idltype.Fixed):
return str(type.type().digits()) + "_" + \
str(type.type().scale()) + "fixed"
if isinstance(type.type(), idltype.Declared):
return id.Name(type.type().scopedName()).guard()
util.fatalError("Error generating mangled name")
canon_name = canon_name + CANNON_NAME_SEPARATOR + typeName(type)
return canon_name
def produce_signature(returnType, parameters, raises, oneway):
returnType = types.Type(returnType)
d_returnType = returnType.deref()
# return type
if d_returnType.void():
sig = "void"
else:
sig = canonTypeName(returnType, useScopedName = 1)
if oneway:
# Can only validly happen with void return, but you never know
# what the future may hold.
sig = ONEWAY_SEPARATOR + sig
# parameter list
for param in parameters:
if param.is_in() and param.is_out():
sig = sig + INOUT_SEPARATOR
elif param.is_in():
sig = sig + IN_SEPARATOR
elif param.is_out():
sig = sig + OUT_SEPARATOR
sig = sig + canonTypeName(types.Type(param.paramType()),
useScopedName = 1)
# exception list
raises = skutil.sort_exceptions(raises)
def exception_signature(exception):
cname = CANNON_NAME_SEPARATOR +\
id.Name(exception.scopedName()).guard()
return EXCEPTION_SEPARATOR + cname
raises_sigs = map(exception_signature, raises)
raises_str = string.join(raises_sigs, "")
sig = sig + raises_str
return sig
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