beremiz

Fix crash if LD input contact isn't connected

2019-03-05, Andrey Skvortsov
27955f010b23
Fix crash if LD input contact isn't connected

Traceback (most recent call last):
File "/home/developer/WorkData/PLC/beremiz/beremiz/BeremizIDE.py", line 339, in OnMethod
obj.CTR.CallMethod('_'+meth)
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 1996, in CallMethod
getattr(self, method)()
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 1134, in _Build
IECGenRes = self._Generate_SoftPLC()
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 746, in _Generate_SoftPLC
if self._Generate_PLC_ST():
File "/home/developer/WorkData/PLC/beremiz/beremiz/ProjectController.py", line 763, in _Generate_PLC_ST
self._getIECgeneratedcodepath())
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCControler.py", line 456, in GenerateProgram
self.ProgramChunks = GenerateCurrentProgram(self, self.Project, errors, warnings)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1762, in GenerateCurrentProgram
generator.GenerateProgram()
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 478, in GenerateProgram
self.GeneratePouProgram(pou_name)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 260, in GeneratePouProgram
program = pou_program.GenerateProgram(pou)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1718, in GenerateProgram
self.ComputeProgram(pou)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1028, in ComputeProgram
self.GenerateBlock(instance, block_infos, body, None)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1144, in GenerateBlock
expression = self.ComputeExpression(body, connections, executionOrderId > 0)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1373, in ComputeExpression
paths = self.GeneratePaths(connections, body, order, to_inout)
File "/home/developer/WorkData/PLC/beremiz/beremiz/PLCGenerator.py", line 1344, in GeneratePaths
elif isinstance(result[0], list):
IndexError: list index out of range


Close #70
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
#
# See COPYING file for copyrights details.
#
# 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 absolute_import
import wx
import wx.gizmos
class CustomEditableListBox(wx.gizmos.EditableListBox):
def __init__(self, *args, **kwargs):
wx.gizmos.EditableListBox.__init__(self, *args, **kwargs)
listbox = self.GetListCtrl()
listbox.Bind(wx.EVT_KEY_DOWN, self.OnKeyDown)
listbox.Bind(wx.EVT_LIST_BEGIN_LABEL_EDIT, self.OnLabelBeginEdit)
listbox.Bind(wx.EVT_LIST_END_LABEL_EDIT, self.OnLabelEndEdit)
for button, tooltip, call_function in [
(self.GetEditButton(), _("Edit item"), "_OnEditButton"),
(self.GetNewButton(), _("New item"), "_OnNewButton"),
(self.GetDelButton(), _("Delete item"), "_OnDelButton"),
(self.GetUpButton(), _("Move up"), "_OnUpButton"),
(self.GetDownButton(), _("Move down"), "_OnDownButton")]:
button.SetToolTipString(tooltip)
button.Bind(wx.EVT_BUTTON, self.GetButtonPressedFunction(call_function))
self.Editing = False
def EnsureCurrentItemVisible(self):
listctrl = self.GetListCtrl()
listctrl.EnsureVisible(listctrl.GetFocusedItem())
def OnLabelBeginEdit(self, event):
self.Editing = True
func = getattr(self, "_OnLabelBeginEdit", None)
if func is not None:
func(event)
else:
event.Skip()
def OnLabelEndEdit(self, event):
self.Editing = False
func = getattr(self, "_OnLabelEndEdit", None)
if func is not None:
func(event)
else:
event.Skip()
def GetButtonPressedFunction(self, call_function):
def OnButtonPressed(event):
if wx.Platform != '__WXMSW__' or not self.Editing:
func = getattr(self, call_function, None)
if func is not None:
func(event)
wx.CallAfter(self.EnsureCurrentItemVisible)
else:
wx.CallAfter(self.EnsureCurrentItemVisible)
event.Skip()
return OnButtonPressed
def OnKeyDown(self, event):
button = None
keycode = event.GetKeyCode()
if keycode in (wx.WXK_ADD, wx.WXK_NUMPAD_ADD):
button = self.GetNewButton()
elif keycode in (wx.WXK_DELETE, wx.WXK_NUMPAD_DELETE):
button = self.GetDelButton()
elif keycode == wx.WXK_UP and event.ShiftDown():
button = self.GetUpButton()
elif keycode == wx.WXK_DOWN and event.ShiftDown():
button = self.GetDownButton()
elif keycode == wx.WXK_SPACE:
button = self.GetEditButton()
if button is not None and button.IsEnabled():
button.ProcessEvent(wx.CommandEvent(wx.EVT_BUTTON.typeId, button.GetId()))
else:
event.Skip()