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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP compiler - Wire
#
# 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.cython_support cimport * #@cy
from awlsim.common.compat import *
from awlsim.common.xmlfactory import *
from awlsim.fupcompiler.base import *
class FupCompiler_WireFactory(XmlFactory):
def parser_open(self, tag=None):
self.inWire = False
XmlFactory.parser_open(self, tag)
def parser_beginTag(self, tag):
if not self.inWire:
if tag.name == "wire":
self.inWire = True
idNum = tag.getAttrInt("id")
uuid = tag.getAttr("uuid", None)
wire = FupCompiler_Wire(self.grid, idNum, uuid=uuid)
if not self.grid.addWire(wire):
raise self.Error("Invalid wire")
return
XmlFactory.parser_beginTag(self, tag)
def parser_endTag(self, tag):
if self.inWire:
if tag.name == "wire":
self.inWire = False
return
else:
if tag.name == "wires":
self.parser_finish()
return
XmlFactory.parser_endTag(self, tag)
class FupCompiler_Wire(FupCompiler_BaseObj):
factory = FupCompiler_WireFactory
__slots__ = (
"grid",
"idNum",
"virtual",
"connections",
)
def __init__(self, grid, idNum, virtual=False, uuid=None):
FupCompiler_BaseObj.__init__(self, uuid=uuid)
self.grid = grid # FupCompiler_Grid
self.idNum = idNum # Wire ID
self.virtual = virtual # True, if this is a virtual wire
self.clearConnections()
def clearConnections(self):
self.connections = set()
def addConn(self, conn):
self.connections.add(conn)
conn.wire = self
conn.wireId = self.idNum
def removeConn(self, conn):
self.connections.remove(conn)
conn.wire = None
conn.wireId = conn.WIREID_NONE
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