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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP compiler - Boolean element
#
# Copyright 2016-2017 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.fupcompiler.elem import *
from awlsim.fupcompiler.elemoper import *
from awlsim.core.operators import * #+cimport
from awlsim.core.operatortypes import * #+cimport
from awlsim.core.instructions.all_insns import * #+cimport
class FupCompiler_ElemBool(FupCompiler_Elem):
"""FUP compiler - Boolean element.
"""
ELEM_NAME = "BOOL"
EnumGen.start
SUBTYPE_AND = EnumGen.item
SUBTYPE_OR = EnumGen.item
SUBTYPE_XOR = EnumGen.item
SUBTYPE_S = EnumGen.item
SUBTYPE_R = EnumGen.item
SUBTYPE_SR = EnumGen.item
SUBTYPE_RS = EnumGen.item
SUBTYPE_FP = EnumGen.item
SUBTYPE_FN = EnumGen.item
EnumGen.end
str2subtype = {
"and" : SUBTYPE_AND,
"or" : SUBTYPE_OR,
"xor" : SUBTYPE_XOR,
"s" : SUBTYPE_S,
"r" : SUBTYPE_R,
"sr" : SUBTYPE_SR,
"rs" : SUBTYPE_RS,
"fp" : SUBTYPE_FP,
"fn" : SUBTYPE_FN,
}
@classmethod
def parse(cls, grid, x, y, subType, content):
try:
subType = cls.str2subtype[subType]
type2class = {
cls.SUBTYPE_AND : FupCompiler_ElemBoolAnd,
cls.SUBTYPE_OR : FupCompiler_ElemBoolOr,
cls.SUBTYPE_XOR : FupCompiler_ElemBoolXor,
cls.SUBTYPE_S : FupCompiler_ElemBoolS,
cls.SUBTYPE_R : FupCompiler_ElemBoolR,
cls.SUBTYPE_SR : FupCompiler_ElemBoolSR,
cls.SUBTYPE_RS : FupCompiler_ElemBoolRS,
cls.SUBTYPE_FP : FupCompiler_ElemBoolFP,
cls.SUBTYPE_FN : FupCompiler_ElemBoolFN,
}
elemClass = None
with contextlib.suppress(KeyError):
elemClass = type2class[subType]
if elemClass:
return elemClass(grid=grid,
x=x, y=y,
content=content)
except KeyError:
pass
return None
def __init__(self, grid, x, y, subType, content, **kwargs):
FupCompiler_Elem.__init__(self, grid=grid, x=x, y=y,
elemType=FupCompiler_Elem.TYPE_BOOLEAN,
subType=subType, content=content,
**kwargs)
def _getBodyOper(self):
"""Get the body operand.
"""
if len(self.subElems) != 1:
raise FupElemError("Invalid body operator in '%s'" % (
str(self)),
self)
subElem = getany(self.subElems)
if not subElem.isType(FupCompiler_Elem.TYPE_OPERAND,
FupCompiler_ElemOper.SUBTYPE_EMBEDDED):
raise FupElemError("Body operator element '%s' "
"is of invalid type." % (
str(subElem)),
self)
return subElem
def getOutConn(self):
outConnections = list(self.outConnections)
if len(outConnections) != 1:
raise FupElemError("Boolean elements only support one output.", self)
return outConnections[0]
def _doCompileBool(self, insnClass):
insns = []
# Walk down each input connection of this element.
for conn in sorted(self.inConnections, key=lambda c: c.pos):
# For each element that is connected to this element's
# input connection via its output connection.
otherConn = conn.getConnectedConn(getOutput=True)
otherElem = otherConn.elem
if otherElem.isType(self.TYPE_OPERAND,
FupCompiler_ElemOper.SUBTYPE_LOAD):
# The other element is a LOAD operand.
# Compile the boolean (load) instruction.
# This generates: U #oper , O #oper or something similar.
insns.extend(otherConn.compileConn(
targetInsnClass=insnClass,
inverted=conn.inverted))
elif otherElem.isType(self.TYPE_BOOLEAN):
# The other element we get the signal from
# is a boolean element. Compile this to get its
# resulting VKE.
insns.extend(otherElem.__compileToVKE(insnClass=insnClass,
inverted=conn.inverted))
else:
insnBranchClass = self.compiler.branchInsnClass[insnClass]
insns.append(self.newInsn(insnBranchClass, parentFupConn=conn))
insns.extend(otherConn.compileConn(targetInsnClass=insnClass,
inverted=conn.inverted))
insns.append(self.newInsn(AwlInsn_BEND, parentFupConn=conn))
outConn = self.getOutConn()
if outConn.inverted:
insns.append(self.newInsn(AwlInsn_NOT, parentFupConn=outConn))
return insns
def __compileToVKE(self, insnClass, inverted=False):
"""Compile this boolean operation in a way that after the last
instruction returned by this method the result of this element
resides in the VKE.
insnClass => The AwlInsn class used to load to VKE.
Returns a list of AwlInsn instances.
"""
insns = []
outConn = self.getOutConn()
if self.needCompile:
insnBranchClass = self.compiler.branchInsnClass[insnClass]
if inverted:
insnBranchClass = self.compiler.invertedInsnClass[insnBranchClass]
insns.append(self.newInsn(insnBranchClass, parentFupConn=outConn))
insns.extend(self.compile())
# Store result to a TEMP variable, if required.
if len(tuple(outConn.getConnectedConns(getInputs=True))) > 1:
insns.extend(self._storeToTemp("BOOL", AwlInsn_ASSIGN,
{ outConn,
self.MAIN_RESULT }))
insns.append(self.newInsn(AwlInsn_BEND, parentFupConn=outConn))
else:
# Get the stored result from TEMP.
if inverted:
insnClass = self.compiler.invertedInsnClass[insnClass]
insns.extend(self._loadFromTemp(insnClass, conn=outConn))
return insns
def compileConn(self, conn, desiredTarget, inverted=False):
self._compileConn_checkTarget(conn, desiredTarget, inverted,
targetExpectVKE=True,
allowInversion=True)
insnClass = FupCompiler_Conn.targetToInsnClass(desiredTarget,
toLoad=conn.dirOut,
inverted=inverted)
return self.__compileToVKE(insnClass)
class FupCompiler_ElemBoolAnd(FupCompiler_ElemBool):
"""FUP compiler - Boolean AND element.
"""
ELEM_NAME = "AND"
def __init__(self, grid, x, y, content, **kwargs):
FupCompiler_ElemBool.__init__(self, grid=grid, x=x, y=y,
subType=FupCompiler_ElemBool.SUBTYPE_AND,
content=content,
**kwargs)
def _doCompile(self):
return self._doCompileBool(AwlInsn_U)
class FupCompiler_ElemBoolOr(FupCompiler_ElemBool):
"""FUP compiler - Boolean OR element.
"""
ELEM_NAME = "OR"
def __init__(self, grid, x, y, content, **kwargs):
FupCompiler_ElemBool.__init__(self, grid=grid, x=x, y=y,
subType=FupCompiler_ElemBool.SUBTYPE_OR,
content=content,
**kwargs)
def _doCompile(self):
return self._doCompileBool(AwlInsn_O)
class FupCompiler_ElemBoolXor(FupCompiler_ElemBool):
"""FUP compiler - Boolean XOR element.
"""
ELEM_NAME = "XOR"
def __init__(self, grid, x, y, content, **kwargs):
FupCompiler_ElemBool.__init__(self, grid=grid, x=x, y=y,
subType=FupCompiler_ElemBool.SUBTYPE_XOR,
content=content,
**kwargs)
def _doCompile(self):
return self._doCompileBool(AwlInsn_X)
class FupCompiler_ElemBoolSR(FupCompiler_ElemBool):
"""FUP compiler - Boolean SR element.
"""
ELEM_NAME = "SR"
SUBTYPE = FupCompiler_ElemBool.SUBTYPE_SR
HAVE_S = True
HAVE_R = True
HIGH_PRIO_R = True
OPTIONAL_CONNS = { "R", "Q", }
def __init__(self, grid, x, y, content, **kwargs):
FupCompiler_ElemBool.__init__(self, grid=grid, x=x, y=y,
subType=self.SUBTYPE,
content=content,
**kwargs)
def __compileSR(self, bodyOper, connName, insnClass):
conn = self.getUniqueConnByText(connName, searchInputs=True)
if not conn or not conn.isConnected:
return []
otherConn = conn.getConnectedConn(getOutput=True)
insns = otherConn.compileConn(targetInsnClass=AwlInsn_U,
inverted=conn.inverted)
insns.extend(bodyOper.compileAs(insnClass))
return insns
def __compileS(self, bodyOper):
if not self.HAVE_S:
return []
return self.__compileSR(bodyOper, "S", AwlInsn_S)
def __compileR(self, bodyOper):
if not self.HAVE_R:
return []
return self.__compileSR(bodyOper, "R", AwlInsn_R)
@property
def isCompileEntryPoint(self):
# We are a compilation entry, if Q is not connected.
conn = self.getUniqueConnByText("Q", searchOutputs=True)
if not conn or not conn.isConnected:
return True
return False
def _doCompile(self):
insns = []
bodyOper = self._getBodyOper()
# Compile S and R inputs
if self.HIGH_PRIO_R:
insns.extend(self.__compileS(bodyOper))
insns.extend(self.__compileR(bodyOper))
else:
insns.extend(self.__compileR(bodyOper))
insns.extend(self.__compileS(bodyOper))
# Compile Q output
conn_Q = self.getUniqueConnByText("Q", searchOutputs=True)
if conn_Q and conn_Q.isConnected:
insns.extend(bodyOper.compileAs(AwlInsn_UN if conn_Q.inverted
else AwlInsn_U))
return insns
def connIsOptional(self, conn):
return conn.hasText(self.OPTIONAL_CONNS)
class FupCompiler_ElemBoolRS(FupCompiler_ElemBoolSR):
"""FUP compiler - Boolean RS element.
"""
ELEM_NAME = "RS"
SUBTYPE = FupCompiler_ElemBool.SUBTYPE_RS
HAVE_S = True
HAVE_R = True
HIGH_PRIO_R = False
OPTIONAL_CONNS = { "S", "Q", }
class FupCompiler_ElemBoolS(FupCompiler_ElemBoolSR):
"""FUP compiler - Boolean S element.
"""
ELEM_NAME = "S"
SUBTYPE = FupCompiler_ElemBool.SUBTYPE_S
HAVE_S = True
HAVE_R = False
HIGH_PRIO_R = False
OPTIONAL_CONNS = { "Q", }
def _doCompile(self):
# Enforce connection names.
# They might not be present in the project file.
if len(list(self.inConnections)) == 1:
getany(self.inConnections).text = self.ELEM_NAME
if len(list(self.outConnections)) == 1:
getany(self.outConnections).text = "Q"
# Run the SR compiler
return FupCompiler_ElemBoolSR._doCompile(self)
class FupCompiler_ElemBoolR(FupCompiler_ElemBoolS):
"""FUP compiler - Boolean R element.
"""
ELEM_NAME = "R"
SUBTYPE = FupCompiler_ElemBool.SUBTYPE_R
HAVE_S = False
HAVE_R = True
HIGH_PRIO_R = True
OPTIONAL_CONNS = { "Q", }
class FupCompiler_ElemBoolFP(FupCompiler_ElemBool):
"""FUP compiler - Boolean FP element.
"""
ELEM_NAME = "FP"
SUBTYPE = FupCompiler_ElemBool.SUBTYPE_FP
POSITIVE = True
def __init__(self, grid, x, y, content, **kwargs):
FupCompiler_ElemBool.__init__(self, grid=grid, x=x, y=y,
subType=self.SUBTYPE,
content=content,
**kwargs)
def _doCompile(self):
insns = []
bodyOper = self._getBodyOper()
inConns = list(self.inConnections)
if len(inConns) != 1:
raise FupElemError("Invalid number of input connections",
self)
inConn = inConns[0]
outConns = list(self.outConnections)
if len(outConns) != 1:
raise FupElemError("Invalid number of output connections",
self)
outConn = outConns[0]
otherConn = inConn.getConnectedConn(getOutput=True)
insns.extend(otherConn.compileConn(targetInsnClass=AwlInsn_U,
inverted=inConn.inverted))
insns.extend(bodyOper.compileAs(AwlInsn_FP if self.POSITIVE
else AwlInsn_FN))
if outConn.inverted:
insns.append(self.newInsn(AwlInsn_NOT, parentFupConn=outConn))
return insns
class FupCompiler_ElemBoolFN(FupCompiler_ElemBoolFP):
"""FUP compiler - Boolean FN element.
"""
ELEM_NAME = "FN"
SUBTYPE = FupCompiler_ElemBool.SUBTYPE_FN
POSITIVE = False
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