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# -*- coding: utf-8 -*-
#
# AWL simulator - Instruction parent information
#
# Copyright 2017 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.util import *
from awlsim.common.exceptions import *
from awlsim.common.enumeration import *
__all__ = [
"AwlInsnParentInfo",
]
class AwlInsnParentInfo(object):
"""Instruction parent information.
The compiler (AWL, FUP, KOP) may place information about the
source of the instruction and its generation here.
"""
__slots__ = (
"uuid",
"rawInsn",
"connType",
"connIndex",
)
# Connection types
EnumGen.start
CONNTYPE_NONE = EnumGen.item # Unknown or none
CONNTYPE_IN = EnumGen.item # Input connection
CONNTYPE_OUT = EnumGen.item # Output connection
CONNTYPE_INOUT = EnumGen.item # In/Out connection
EnumGen.end
def __init__(self,
uuid=None,
rawInsn=None,
connType=CONNTYPE_NONE,
connIndex=-1):
"""Construct parent information.
All information is optional.
uuid: The UUID string of the parent object.
rawInsn: A reference to the raw AWL instruction.
connType: The "connection type" of the parent object this
instruction belongs to.
connIndex: The "connection index" of the parent object this
instruction belongs to.
"""
self.uuid = uuid
self.rawInsn = rawInsn
self.connType = connType
self.connIndex = connIndex
def __bool__(self):
return bool(self.uuid or\
self.rawInsn or\
self.connType != self.CONNTYPE_NONE or\
self.connIndex >= 0)
__nonzero__ = __bool__ # Python 2 compat
def __str__(self):
fields = []
if self.uuid:
fields.append(shortUUID(self.uuid))
if self.rawInsn:
fields.append(str(self.rawInsn))
if self.connType != self.CONNTYPE_NONE:
connTypeStr = {
self.CONNTYPE_IN : "IN",
self.CONNTYPE_OUT : "OUT",
self.CONNTYPE_INOUT : "IN_OUT",
}[self.connType]
if self.connIndex >= 0:
fields.append("%s-%d" % (connTypeStr,
self.connIndex))
else:
fields.append(connTypeStr)
return "parent=(%s)" % ", ".join(fields)
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