c_ext/c_ext.py
author Edouard Tisserant <edouard.tisserant@gmail.com>
Thu, 20 Jul 2023 22:05:31 +0200
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parent 3750 f62625418bff
permissions -rw-r--r--
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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of Beremiz, a Integrated Development Environment for
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# programming IEC 61131-3 automates supporting plcopen standard and CanFestival.
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#
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# Copyright (C) 2007: Edouard TISSERANT and Laurent BESSARD
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#
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# See COPYING file for copyrights details.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
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import os
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from c_ext.CFileEditor import CFileEditor
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from CodeFileTreeNode import CodeFile
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class CFile(CodeFile):
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    XSD = """<?xml version="1.0" encoding="ISO-8859-1" ?>
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    <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
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      <xsd:element name="CExtension">
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        <xsd:complexType>
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          <xsd:attribute name="CFLAGS" type="xsd:string" use="required"/>
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          <xsd:attribute name="LDFLAGS" type="xsd:string" use="required"/>
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        </xsd:complexType>
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      </xsd:element>
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    </xsd:schema>
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    """
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    CODEFILE_NAME = "CFile"
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    SECTIONS_NAMES = [
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        "includes",
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        "globals",
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        "initFunction",
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        "cleanUpFunction",
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        "retrieveFunction",
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        "publishFunction"]
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    EditorType = CFileEditor
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    def GetIconName(self):
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        return "Cfile"
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    def CodeFileName(self):
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        return os.path.join(self.CTNPath(), "cfile.xml")
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    def CTNGenerate_C(self, buildpath, locations):
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        """
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        Generate C code
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        @param current_location: Tupple containing confnode IEC location : %I0.0.4.5 => (0,0,4,5)
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        @param locations: List of complete variables locations \
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            [{"IEC_TYPE" : the IEC type (i.e. "INT", "STRING", ...)
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            "NAME" : name of the variable (generally "__IW0_1_2" style)
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            "DIR" : direction "Q","I" or "M"
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            "SIZE" : size "X", "B", "W", "D", "L"
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            "LOC" : tuple of interger for IEC location (0,1,2,...)
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            }, ...]
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        @return: [(C_file_name, CFLAGS),...] , LDFLAGS_TO_APPEND
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        """
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        current_location = self.GetCurrentLocation()
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        # define a unique name for the generated C file
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        location_str = "_".join(map(str, current_location))
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        text = "/* Code generated by Beremiz c_ext confnode */\n\n"
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        text += "#include <stdio.h>\n\n"
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        # Adding includes
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        text += "/* User includes */\n"
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        text += self.CodeFile.includes.getanyText().strip()
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        text += "\n"
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        text += '#include "iec_types_all.h"\n\n'
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        # Adding variables
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        config = self.GetCTRoot().GetProjectConfigNames()[0]
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        text += "/* User variables reference */\n"
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        for variable in self.CodeFile.variables.variable:
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            var_infos = {
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                "name": variable.getname(),
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                "global": "%s__%s" % (config.upper(),
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                                      variable.getname().upper()),
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                "type": "__IEC_%s_t" % variable.gettype()}
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            text += "extern %(type)s %(global)s;\n" % var_infos
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            text += "#define %(name)s %(global)s.value\n" % var_infos
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        text += "\n"
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        # Adding user global variables and routines
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        text += "/* User internal user variables and routines */\n"
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        text += self.CodeFile.globals.getanyText().strip()
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        text += "\n"
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        # Adding Beremiz confnode functions
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        text += "/* Beremiz confnode functions */\n"
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        text += "int __init_%s(int argc,char **argv)\n{\n" % location_str
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        text += self.CodeFile.initFunction.getanyText().strip()
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        text += "  return 0;\n}\n\n"
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        text += "void __cleanup_%s(void)\n{\n" % location_str
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        text += self.CodeFile.cleanUpFunction.getanyText().strip()
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        text += "\n}\n\n"
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        text += "void __retrieve_%s(void)\n{\n" % location_str
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        text += self.CodeFile.retrieveFunction.getanyText().strip()
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        text += "\n}\n\n"
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        text += "void __publish_%s(void)\n{\n" % location_str
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        text += self.CodeFile.publishFunction.getanyText().strip()
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        text += "\n}\n\n"
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        Gen_Cfile_path = os.path.join(buildpath, "CFile_%s.c" % location_str)
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        cfile = open(Gen_Cfile_path, 'w')
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        cfile.write(text)
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        cfile.close()
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        matiec_CFLAGS = '"-I%s"' % os.path.abspath(self.GetCTRoot().GetIECLibPath())
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b789b695b5c6 clean-up: fix PEP8 E231 missing whitespace after ':' or ','
Andrey Skvortsov <andrej.skvortzov@gmail.com>
parents: 1736
diff changeset
   129
        return [(Gen_Cfile_path, str(self.CExtension.getCFLAGS() + matiec_CFLAGS))], str(self.CExtension.getLDFLAGS()), True