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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP compiler - Connection
#
# Copyright 2016 Michael Buesch <m@bues.ch>
#
# This program 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
from __future__ import division, absolute_import, print_function, unicode_literals
from awlsim.common.compat import *
from awlsim.common.xmlfactory import *
from awlsim.fupcompiler.fupcompiler_base import *
class FupCompiler_ConnFactory(XmlFactory):
def parser_open(self, tag=None):
self.inConn = False
XmlFactory.parser_open(self, tag)
def parser_beginTag(self, tag):
if not self.inConn:
if tag.name == "connection":
self.inConn = True
pos = tag.getAttrInt("pos")
dirIn = tag.getAttrInt("dir_in")
dirOut = tag.getAttrInt("dir_out")
wireId = tag.getAttrInt("wire")
conn = FupCompiler_Conn(self.elem,
pos, dirIn, dirOut, wireId)
if not self.elem.addConn(conn):
raise self.Error("Invalid connection")
return
XmlFactory.parser_beginTag(self, tag)
def parser_endTag(self, tag):
if self.inConn:
if tag.name == "connection":
self.inConn = False
return
else:
if tag.name == "connections":
self.parser_finish()
return
XmlFactory.parser_endTag(self, tag)
class FupCompiler_Conn(FupCompiler_BaseObj):
factory = FupCompiler_ConnFactory
def __init__(self, elem, pos, dirIn, dirOut, wireId):
FupCompiler_BaseObj.__init__(self)
self.elem = elem # FupCompiler_Elem
self.pos = pos # Position index
self.dirIn = bool(dirIn) # Input
self.dirOut = bool(dirOut) # Output
self.wireId = wireId # Wire ID number
self.wire = None
def getConnected(self):
"""Get all other connections that are connected
via self.wire to this connection.
This excludes self.
"""
for conn in self.wire.connections:
if conn is not self:
yield conn
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