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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP compiler - Move box
#
# Copyright 2017-2018 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.fupcompiler.elembool import *
from awlsim.fupcompiler.helpers import *
from awlsim.core.operators import * #+cimport
from awlsim.core.operatortypes import * #+cimport
from awlsim.core.instructions.all_insns import * #+cimport
class FupCompiler_ElemMove(FupCompiler_Elem):
"""FUP compiler - Move box.
"""
ELEM_NAME = "MOVE"
@classmethod
def parse(cls, grid, x, y, subType, content):
return FupCompiler_ElemMove(grid=grid,
x=x, y=y,
content=content)
def __init__(self, grid, x, y, content, **kwargs):
FupCompiler_Elem.__init__(self, grid=grid, x=x, y=y,
elemType=FupCompiler_Elem.TYPE_MOVE,
subType=None,
content=content,
**kwargs)
def connIsOptional(self, conn):
if not self.enabled:
return True
return conn.hasText({"EN", "ENO"})
def getConnType(self, conn, preferVKE=False):
if self.enabled and conn in self.connections:
if conn.hasText({"EN", "ENO"}):
return FupCompiler_Conn.TYPE_VKE
return FupCompiler_Conn.TYPE_ACCU
return FupCompiler_Conn.TYPE_UNKNOWN
def __getConnections(self):
conn_EN = self.getUniqueConnByText("EN", searchInputs=True)
conn_IN = self.getUniqueConnByText("IN", searchInputs=True)
conn_ENO = self.getUniqueConnByText("ENO", searchOutputs=True)
if not conn_EN or not conn_IN or not conn_ENO:
raise FupElemError("Invalid connections "
"in FUP move box %s." % (
str(self)),
self)
return conn_EN, conn_IN, conn_ENO
def compileConn(self, conn, desiredTarget, inverted=False):
if not self.enabled:
return []
insns = []
assert(conn in self.connections)
awlInsnClass = FupCompiler_Conn.targetToInsnClass(desiredTarget,
toLoad=True,
inverted=inverted)
if conn.hasText("ENO"):
self._compileConn_checkTarget(conn, desiredTarget, inverted,
targetExpectVKE=True,
allowInversion=True)
if self.needCompile:
insns.extend(self.compile())
if inverted:
insns.append(self.newInsn(AwlInsn_NOT))
else:
awlInsnClass = FupCompiler_Conn.targetToInsnClass(desiredTarget,
toLoad=True,
inverted=inverted)
insns.extend(conn.elem._loadFromTemp(awlInsnClass, conn))
elif conn.textMatch(r"OUT\d+"):
self._compileConn_checkTarget(conn, desiredTarget, inverted,
targetExpectVKE=False,
allowInversion=False)
if self.needCompile:
insns.extend(self.compile())
insns.extend(conn.elem._loadFromTemp(awlInsnClass, conn))
else:
return FupCompiler_Elem.compileConn(self, conn, desiredTarget, inverted)
return insns
def _doPreprocess(self):
if not self.enabled:
return
conn_EN, conn_IN, conn_ENO = self.__getConnections()
# Get the element that is connected via its output to our IN connection.
connectedElem_IN = conn_IN.getConnectedElem(viaOut=True)
# If the element connected to IN is not a LOAD operand, we must
# take its ENO into account.
# If we don't have a connection on EN, we implicitly connect
# the IN-element's ENO to our EN here.
# If we already have a connection on EN, we implicitly add an AND-element
# between the IN-element's ENO and our EN.
if not connectedElem_IN.isType(self.TYPE_OPERAND,
FupCompiler_ElemOper.SUBTYPE_LOAD):
FupCompiler_Helpers.genIntermediateBool(
parentElem=self,
elemsA=[connectedElem_IN],
connNamesA=["ENO"],
elemB=self,
connNameB="EN",
boolElemClass=FupCompiler_ElemBoolAnd)
def _doCompile(self):
if not self.enabled:
return []
insns = []
conn_EN, conn_IN, conn_ENO = self.__getConnections()
# Get the element that is connected via its output to our IN connection.
connectedElem_IN = conn_IN.getConnectedElem(viaOut=True)
# If the element connected to IN is not a LOAD operand, we have
# a chained element (for example another move box).
# Compile that first.
if connectedElem_IN.needCompile and\
not connectedElem_IN.isType(self.TYPE_OPERAND,
FupCompiler_ElemOper.SUBTYPE_LOAD):
insns.extend(connectedElem_IN.compile())
# Generate a jump target label name for the EN jump.
# This might end up being unused, though.
endLabel = self.grid.compiler.newLabel()
# If we have an EN input, emit the corresponding conditional jump.
# If EN is not a plain operator, this might involve compiling
# the connected element.
if conn_EN.isConnected:
# Compile the element that drives this wire.
otherConn = conn_EN.getConnectedConn(getOutput=True)
insns.extend(otherConn.compileConn(targetInsnClass=AwlInsn_U,
inverted=False))
# Emit the jump instruction.
# This will evaluate the current VKE.
insns.append(self.newInsn_JMP(AwlInsn_SPBNB, endLabel))
# Compile the element connected to the input.
otherConn_IN = conn_IN.getConnectedConn(getOutput=True)
insns.extend(otherConn_IN.compileConn(targetInsnClass=AwlInsn_L))
if otherConn_IN.connType != FupCompiler_Conn.TYPE_ACCU:
raise FupElemError("The IN connection "
"of the FUP move box %s must not be connected "
"to a bit (VKE) wire." % (
str(self)),
self)
# Assign the outputs.
storeToTempConns = set()
for conn in FupCompiler_Conn.sorted(self.outConnections):
if not conn.textMatch(r"OUT\d+"):
continue
for otherElem in self.sorted(conn.getConnectedElems(viaIn=True)):
if otherElem.isType(self.TYPE_OPERAND,
FupCompiler_ElemOper.SUBTYPE_ASSIGN):
insns.extend(otherElem.emitStore_ACCU())
else:
storeToTempConns.add(conn)
if storeToTempConns:
storeToTempConns.add(self.MAIN_RESULT)
insns.extend(self._storeToTemp("DWORD", AwlInsn_T, storeToTempConns))
# Make sure BIE is set, if EN is not connected and ENO is connected.
if not conn_EN.isConnected and conn_ENO.isConnected:
# set BIE=1 and /ER=0.
insns.extend(self.newInsns_SET_BIE_CLR_ER())
# Create the jump target label for EN=0.
# This might end up being unused, though.
insns.append(self.newInsn_NOP(labelStr=endLabel))
# Handle ENO output.
if conn_ENO.isConnected:
# Add instruction: U BIE
insns.append(self.newInsn_LOAD_BIE(AwlInsn_U))
# Add VKE assignment instruction.
storeToTempConns = set()
for otherElem in self.sorted(conn_ENO.getConnectedElems(viaIn=True)):
if otherElem.isType(self.TYPE_OPERAND,
FupCompiler_ElemOper.SUBTYPE_ASSIGN):
insns.extend(otherElem.emitStore_VKE())
else:
storeToTempConns.add(conn_ENO)
if storeToTempConns:
insns.extend(self._storeToTemp("BOOL", AwlInsn_ASSIGN,
storeToTempConns))
return insns
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