49

    PreSectionsTexts = {}

    50

    PostSectionsTexts = {}

    51

    def GetSection(self,section):

    52

        return self.PreSectionsTexts.get(section,"") + "\n" + \

    53

               getattr(self.CodeFile, section).gettext() + "\n" + \

    54

               self.PostSectionsTexts.get(section,"")

    55

    56

    57

    def CTNGenerate_C(self, buildpath, locations):

    58

        current_location = self.GetCurrentLocation()

    59

        # define a unique name for the generated C file

    60

        location_str = "_".join(map(lambda x:str(x), current_location))

    61

    73

    74

        # Runtime calls (start, stop, init, and cleanup)

    75

        rtcalls = ""

    78

                rtcalls += "def _runtime_%s_%s():\n" % (location_str, section)

    79

                sectiontext = self.GetSection(section).strip()

    80

                if sectiontext:

    81

                    rtcalls += '    ' + \

    82

                        sectiontext.strip().replace('\n', '\n    ')+"\n"

    83

                else:

    84

                    rtcalls += "    pass\n\n"

    85

    86

        text = """\

    87

#!/usr/bin/env python

    88

# -*- coding: utf-8 -*-

    89

## Code generated by Beremiz python mixin confnode

    90

##        

    91

    92

## Code for PLC global variable access

    93

%s

    94

    95

## User code in "global" scope

    96

%s

    98

## Beremiz python runtime calls

    99

%s

   100

   101

"""%(   # variables

   102

        variables_str,

   103

        # globals

   104

        self.GetSection("globals"),

   105

        # Beremiz python runtime functions

   106

        rtcalls)

   107

   108

        runtimefile_path = os.path.join(buildpath, 

   109

            "runtime_%s.py"%location_str)

   110

        runtimefile = open(runtimefile_path, 'w')

   111

        runtimefile.write(text.encode('utf-8'))

   112

        runtimefile.close()

   113

   114

        text = """\

   115

/* 

   116

 * Code generated by Beremiz py_ext confnode 

   117

 * for safe global variables access

   118

 */

   119

#include "iec_types_all.h"

   120

"""

   121

   122

        # Adding variables

   123

        text += "/* User variables reference */\n"

   124

        for variable in self.CodeFile.variables.variable:

   125

            var_infos = {

   126

                "name": variable.getname(),

   127

                "global": "%s__%s" % (config.upper(),

   128

                                      variable.getname().upper()),

   129

                "type": "__IEC_%s_t" % variable.gettype()}

   130

            text += "extern %(type)s %(global)s;\n" % var_infos

   131

            text += "%(type)s __buffer_%(name)s;\n" % var_infos

   132

        text += "\n"

   133

   134

        # Adding Beremiz confnode functions

   135

        text += "/* Beremiz confnode functions */\n"

   136

        text += "int __init_%s(int argc,char **argv)\n{\n"%location_str

   137

        text += "/*TODO*/\n"

   138

        text += "  return 0;\n}\n\n"

   139

   140

        text += "void __cleanup_%s(void)\n{\n"%location_str

   141

        text += "/*TODO*/\n"

   142

        text += "\n}\n\n"

   143

   144

        text += "void __retrieve_%s(void)\n{\n"%location_str

   145

        text += "/*TODO*/\n"

   146

        text += "\n}\n\n"

   147

   148

        text += "void __publish_%s(void)\n{\n"%location_str

   149

        text += "/*TODO*/\n"

   150

        text += "\n}\n\n"

   151

   152

        Gen_PyCfile_path = os.path.join(buildpath, "PyCFile_%s.c"%location_str)

   153

        pycfile = open(Gen_PyCfile_path,'w')

   154

        pycfile.write(text)

   155

        pycfile.close()

   156

   157

        matiec_flags = '"-I%s"'%os.path.abspath(

   158

            self.GetCTRoot().GetIECLibPath())

   159

   160

        return ([(Gen_PyCfile_path, matiec_flags)],

   161

                "",

   162

                False,

   163

                ("runtime_%s.py"%location_str, file(runtimefile_path,"rb")))

   164