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
from functools import reduce
import wx
import wx.stc
from six.moves import xrange
if wx.Platform == '__WXMSW__':
faces = {
'times': 'Times New Roman',
'mono': 'Courier New',
'helv': 'Arial',
'other': 'Comic Sans MS',
'size': 10,
}
else:
faces = {
'times': 'Times',
'mono': 'Courier',
'helv': 'Helvetica',
'other': 'new century schoolbook',
'size': 12,
}
NAVIGATION_KEYS = [
wx.WXK_END,
wx.WXK_HOME,
wx.WXK_LEFT,
wx.WXK_UP,
wx.WXK_RIGHT,
wx.WXK_DOWN,
wx.WXK_PAGEUP,
wx.WXK_PAGEDOWN,
wx.WXK_NUMPAD_HOME,
wx.WXK_NUMPAD_LEFT,
wx.WXK_NUMPAD_UP,
wx.WXK_NUMPAD_RIGHT,
wx.WXK_NUMPAD_DOWN,
wx.WXK_NUMPAD_PAGEUP,
wx.WXK_NUMPAD_PAGEDOWN,
wx.WXK_NUMPAD_END]
def GetCursorPos(old, new):
if old == "":
return 0
old_length = len(old)
new_length = len(new)
common_length = min(old_length, new_length)
i = 0
for i in xrange(common_length):
if old[i] != new[i]:
break
if old_length < new_length:
if common_length > 0 and old[i] != new[i]:
return i + new_length - old_length
else:
return i + new_length - old_length + 1
elif old_length > new_length or i < min(old_length, new_length) - 1:
if common_length > 0 and old[i] != new[i]:
return i
else:
return i + 1
else:
return None
class CustomStyledTextCtrl(wx.stc.StyledTextCtrl):
def __init__(self, *args, **kwargs):
wx.stc.StyledTextCtrl.__init__(self, *args, **kwargs)
self.Bind(wx.EVT_MOTION, self.OnMotion)
def OnMotion(self, event):
if wx.Platform == '__WXMSW__':
if not event.Dragging():
x, _y = event.GetPosition()
margin_width = reduce(
lambda x, y: x + y,
[self.GetMarginWidth(i) for i in xrange(3)],
0)
if x <= margin_width:
self.SetCursor(wx.StockCursor(wx.CURSOR_ARROW))
else:
self.SetCursor(wx.StockCursor(wx.CURSOR_IBEAM))
else:
event.Skip()
else:
event.Skip()
def AppendText(self, text):
self.GotoPos(self.GetLength())
self.AddText(text)