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# -*- coding: utf-8 -*-
#
# AWL simulator - FUP compiler - 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.compat import *
from awlsim.common.xmlfactory import *
from awlsim.common.util import *
from awlsim.fupcompiler.fupcompiler_base import *
from awlsim.fupcompiler.fupcompiler_conn import *
from awlsim.awlcompiler.optrans import *
#from awlsim.core.instructions.all_insns cimport * #@cy
from awlsim.core.instructions.all_insns import * #@nocy
class FupCompiler_ElemFactory(XmlFactory):
def parser_open(self, tag=None):
self.inElem = False
self.elem = None
XmlFactory.parser_open(self, tag)
def parser_beginTag(self, tag):
if self.inElem:
if self.elem and tag.name == "connections":
self.parser_switchTo(FupCompiler_Conn.factory(elem=self.elem))
return
else:
if tag.name == "element":
self.inElem = True
x = tag.getAttrInt("x")
y = tag.getAttrInt("y")
elemType = tag.getAttr("type")
subType = tag.getAttr("subtype", None)
content = tag.getAttr("content", None)
self.elem = FupCompiler_Elem.parse(self.grid,
x, y, elemType, subType, content)
if not self.elem:
raise self.Error("Failed to parse element")
return
XmlFactory.parser_beginTag(self, tag)
def parser_endTag(self, tag):
if self.inElem:
if tag.name == "element":
if self.elem:
self.grid.addElem(self.elem)
self.inElem = False
self.elem = None
return
else:
if tag.name == "elements":
self.parser_finish()
return
XmlFactory.parser_endTag(self, tag)
class FupCompiler_Elem(FupCompiler_BaseObj):
factory = FupCompiler_ElemFactory
EnumGen.start
TYPE_BOOLEAN = EnumGen.item
TYPE_OPERAND = EnumGen.item
EnumGen.end
str2type = {
"boolean" : TYPE_BOOLEAN,
"operand" : TYPE_OPERAND,
}
@classmethod
def sorted(cls, elems):
"""Sort all elements from 'elems' sequence in ascending order by Y position.
The Y position in the diagram is the basic evaluation order.
Also sort by X position as a secondary key.
The sorted list is returned.
"""
elems = tuple(elems)
try:
yShift = max(e.x for e in elems).bit_length()
except ValueError:
return []
return sorted(elems,
key=lambda e: (e.y << yShift) + e.x)
@classmethod
def parse(cls, grid, x, y, elemType, subType, content):
from awlsim.fupcompiler.fupcompiler_elembool import FupCompiler_ElemBool
from awlsim.fupcompiler.fupcompiler_elemoper import FupCompiler_ElemOper
try:
elemType = cls.str2type[elemType]
if elemType == cls.TYPE_BOOLEAN:
return FupCompiler_ElemBool.parse(grid=grid,
x=x, y=y,
subType=subType,
content=content)
elif elemType == cls.TYPE_OPERAND:
return FupCompiler_ElemOper.parse(grid=grid,
x=x, y=y,
subType=subType,
content=content)
except KeyError:
pass
return None
def __init__(self, grid, x, y, elemType, subType, content):
FupCompiler_BaseObj.__init__(self)
self.grid = grid # FupCompiler_Grid
self.x = x # X coordinate
self.y = y # Y coordinate
self.elemType = elemType # TYPE_...
self.subType = subType # SUBTYPE_... or None
self.content = content or "" # content string
self.connections = set() # FupCompiler_Conn
# If this field has already been compiled and the result is
# stored in a temp-field, this is the name of that field.
self.__resultVkeVarName = None
@property
def opTrans(self):
return self.grid.compiler.opTrans
def addConn(self, conn):
self.connections.add(conn)
return True
@property
def inConnections(self):
"""Get all input connections.
"""
for conn in self.connections:
if conn.dirIn:
yield conn
@property
def outConnections(self):
"""Get all output connections.
"""
for conn in self.connections:
if conn.dirOut:
yield conn
def _mayStoreToTemp(self):
insns = []
# Check if we need to save the result
# for other element inputs.
# This is the case, if we have more than one input connection
# to 'otherElem's output connection.
if any(len(tuple(c.getConnected(getInputs=True))) > 1
for c in self.outConnections):
varName = self.grid.compiler.interf.allocTEMP("BOOL")
opDesc = self.opTrans.translateFromString("#" + varName)
insns.append(AwlInsn_ASSIGN(cpu=None,
ops=[opDesc.operator]))
self.__resultVkeVarName = varName
return insns
def _loadFromTemp(self, insnClass):
insns = []
# otherElem has already been compiled and the result has
# been stored in TEMP. Use the stored result.
assert(self.compileState != self.NOT_COMPILED)
varName = self.__resultVkeVarName
if not varName:
raise AwlSimError("FUP compiler: Result of a "
"compiled element has not been stored "
"to a TEMP variable.")
opDesc = self.opTrans.translateFromString("#" + varName)
insns.append(insnClass(cpu=None, ops=[opDesc.operator]))
return insns
def _doCompile(self):
raise NotImplementedError
def compile(self):
self.compileState = self.COMPILE_RUNNING
result = self._doCompile()
self.compileState = self.COMPILE_DONE
return result
def __repr__(self):
return "FupCompiler_Elem(grid, x=%d, y=%d, elemType=%d, "\
"subType=%d, content=%s)" % (
self.x, self.y, self.elemType, self.subType, self.content)
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