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
#
# This file is part of Beremiz, a Integrated Development Environment for
# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
#
# Copyright (C) 2018: Andrey Skvortsov <andrej.skvortzov@gmail.com>
#
# 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
class CommentEditDialog(wx.Dialog):
"""
This dialog behaves like wx.TextEntryDialog,
but additionaly it allows to set custom font and
exact size for wx.TextCtrl.
That allows to edit comment and immediately
see how it'll be shown on wiresheet.
"""
def __init__(self, parent, font, value="", size=wx.Size(400, 200)):
"""
Constructor
:param parent:
parent window (wx.Window)
:param font:
the font for text control
:param value:
the default value, which may be the empty string
:param size:
desired initial size for text control.
Minimal size of text control is limited
by (100,100)
"""
wx.Dialog.__init__(self, parent, title=_("Please enter comment text"))
msg_label = wx.StaticText(self, label=_("Edit comment"))
input_size = wx.Size(max(size[0], 100), max(size[1], 100))
input = wx.TextCtrl(self, style=wx.TE_MULTILINE)
input.SetInitialSize(input_size)
input.SetFont(font)
input.SetValue(value)
buttons = self.CreateButtonSizer(wx.OK | wx.CANCEL)
sizer = wx.FlexGridSizer(cols=1, hgap=0, rows=3, vgap=10)
border = 20
sizer.Add(msg_label, 0,
flag=wx.TOP | wx.LEFT | wx.RIGHT,
border=border)
sizer.Add(input, 1,
flag=wx.EXPAND | wx.LEFT | wx.RIGHT,
border=border)
sizer.Add(buttons, 0,
flag=wx.EXPAND | wx.LEFT | wx.RIGHT | wx.BOTTOM,
border=border)
self.SetSizerAndFit(sizer)
self.input = input
def SetValue(self, value):
"""Sets text value"""
self.input.SetValue(value)
def GetValue(self):
"""
Returns the text that the user has entered
if the user has pressed wx.OK,
or the original value if the user has pressed Cancel.
"""
return self.input.GetValue()