objdictgen/gen_cfile.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 #This file is part of CanFestival, a library implementing CanOpen Stack.
   5 #
   6 #Copyright (C): Edouard TISSERANT and Francis DUPIN
   7 #
   8 #See COPYING file for copyrights details.
   9 #
  10 #This library is free software; you can redistribute it and/or
  11 #modify it under the terms of the GNU Lesser General Public
  12 #License as published by the Free Software Foundation; either
  13 #version 2.1 of the License, or (at your option) any later version.
  14 #
  15 #This library is distributed in the hope that it will be useful,
  16 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  18 #Lesser General Public License for more details.
  19 #
  20 #You should have received a copy of the GNU Lesser General Public
  21 #License along with this library; if not, write to the Free Software
  22 #Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  23
  24 from node import *
  25 from types import *
  26
  27 import re, os
  28
  29 word_model = re.compile('([a-zA-Z_0-9]*)')
  30 type_model = re.compile('([\_A-Z]*)([0-9]*)')
  31 range_model = re.compile('([\_A-Z]*)([0-9]*)\[([\-0-9]*)-([\-0-9]*)\]')
  32
  33 categories = [("SDO_SVR", 0x1200, 0x127F), ("SDO_CLT", 0x1280, 0x12FF),
  34               ("PDO_RCV", 0x1400, 0x15FF), ("PDO_RCV_MAP", 0x1600, 0x17FF),
  35               ("PDO_TRS", 0x1800, 0x19FF), ("PDO_TRS_MAP", 0x1A00, 0x1BFF)]
  36 index_categories = ["firstIndex", "lastIndex"]
  37
  38 generated_tag = """\n/* File generated by gen_cfile.py. Should not be modified. */\n"""
  39
  40 internal_types = {}
  41
  42 # Format a string for making a C++ variable
  43 def FormatName(name):
  44     wordlist = [word for word in word_model.findall(name) if word != '']
  45     result = ''
  46     sep = ''
  47     for word in wordlist:
  48         result += "%s%s"%(sep,word)
  49         sep = '_'
  50     return result
  51
  52 # Extract the informations from a given type name
  53 def GetValidTypeInfos(typename):
  54     if typename in internal_types:
  55         return internal_types[typename]
  56     else:
  57         result = type_model.match(typename)
  58         if result:
  59             values = result.groups()
  60             if values[0] == "UNSIGNED" and int(values[1]) in [i * 8 for i in xrange(1, 9)]:
  61                 typeinfos = ("UNS%s"%values[1], "", "uint%s"%values[1])
  62             elif values[0] == "INTEGER" and int(values[1]) in [i * 8 for i in xrange(1, 9)]:
  63                 typeinfos = ("INTEGER%s"%values[1], "", "int%s"%values[1])
  64             elif values[0] == "REAL" and int(values[1]) in (32, 64):
  65                 typeinfos = ("%s%s"%(values[0], values[1]), "", "real%s"%values[1])
  66             elif values[0] == "VISIBLE_STRING":
  67                 if values[1] == "":
  68                     typeinfos = ("UNS8", "[10]", "visible_string")
  69                 else:
  70                     typeinfos = ("UNS8", "[%s]"%values[1], "visible_string")
  71             elif values[0] == "DOMAIN":
  72                 typeinfos = ("UNS8*", "", "domain")
  73             elif values[0] == "BOOLEAN":
  74                 typeinfos = ("UNS8", "", "boolean")
  75             else:
  76                 raise ValueError, """!!! %s isn't a valid type for CanFestival."""%typename
  77             internal_types[typename] = typeinfos
  78         else:
  79             raise ValueError, """!!! %s isn't a valid type for CanFestival."""%typename
  80     return typeinfos
  81
  82 def WriteFile(filepath, content):
  83     cfile = open(filepath,"w")
  84     cfile.write(content)
  85     cfile.close()
  86
  87 def GenerateFileContent(Manager, headerfilepath):
  88     global type
  89     global internal_types
  90     texts = {}
  91     texts["maxPDOtransmit"] = 0
  92     texts["NodeName"], texts["NodeID"], texts["NodeType"], texts["Description"] = Manager.GetCurrentNodeInfos()
  93     texts["iam_a_slave"] = 0
  94     if (texts["NodeType"] == "slave"):
  95         texts["iam_a_slave"] = 1
  96
  97     # Compiling lists of indexes
  98     rangelist = [idx for name,idx in Manager.GetCurrentValidIndexes(0, 0x260)]
  99     listIndex = [idx for name,idx in Manager.GetCurrentValidIndexes(0x1000, 0xFFFF)]
 100     communicationlist = [idx for name,idx in Manager.GetCurrentValidIndexes(0x1000, 0x11FF)]
 101     sdolist = [idx for name,idx in Manager.GetCurrentValidIndexes(0x1200, 0x12FF)]
 102     pdolist = [idx for name,idx in Manager.GetCurrentValidIndexes(0x1400, 0x1BFF)]
 103     variablelist = [idx for name,idx in Manager.GetCurrentValidIndexes(0x2000, 0xBFFF)]
 104
 105 #-------------------------------------------------------------------------------
 106 #                       Declaration of the value range types
 107 #-------------------------------------------------------------------------------
 108
 109     valueRangeContent = ""
 110     strDefine = ""
 111     strSwitch = ""
 112     num = 0
 113     for index in rangelist:
 114         rangename = Manager.GetEntryName(index)
 115         result = range_model.match(rangename)
 116         if result:
 117             num += 1
 118             typeindex = Manager.GetCurrentEntry(index, 1)
 119             typename = Manager.GetTypeName(typeindex)
 120             typeinfos = GetValidTypeInfos(typename)
 121             internal_types[rangename] = (typeinfos[0], typeinfos[1], "valueRange_%d"%num)
 122             minvalue = str(Manager.GetCurrentEntry(index, 2))
 123             maxvalue = str(Manager.GetCurrentEntry(index, 3))
 124             strDefine += "\n#define valueRange_%d 0x%02X /* Type %s, %s < value < %s */"%(num,index,typeinfos[0],minvalue,maxvalue)
 125             strSwitch += """    case valueRange_%d:
 126       if (*(%s*)Value < (%s)%s) return OD_VALUE_TOO_LOW;
 127       if (*(%s*)Value > (%s)%s) return OD_VALUE_TOO_HIGH;
 128       break;\n"""%(num,typeinfos[0],typeinfos[0],minvalue,typeinfos[0],typeinfos[0],maxvalue)
 129
 130     valueRangeContent += strDefine
 131     valueRangeContent += "\nUNS32 %(NodeName)s_valueRangeTest (UNS8 typeValue, void * value)\n{"%texts
 132     valueRangeContent += "\n  switch (typeValue) {\n"
 133     valueRangeContent += strSwitch
 134     valueRangeContent += "  }\n  return 0;\n}\n"
 135
 136 #-------------------------------------------------------------------------------
 137 #            Creation of the mapped variables and object dictionary
 138 #-------------------------------------------------------------------------------
 139
 140     mappedVariableContent = ""
 141     strDeclareHeader = ""
 142     strDeclareCallback = ""
 143     indexContents = {}
 144     indexCallbacks = {}
 145     for index in listIndex:
 146         texts["index"] = index
 147         strIndex = ""
 148         entry_infos = Manager.GetEntryInfos(index)
 149         texts["EntryName"] = entry_infos["name"]
 150         values = Manager.GetCurrentEntry(index)
 151         callbacks = Manager.HasCurrentEntryCallbacks(index)
 152         if index in variablelist:
 153             strIndex += "\n/* index 0x%(index)04X :   Mapped variable %(EntryName)s */\n"%texts
 154         else:
 155             strIndex += "\n/* index 0x%(index)04X :   %(EntryName)s. */\n"%texts
 156
 157         # Entry type is VAR
 158         if type(values) != ListType:
 159             subentry_infos = Manager.GetSubentryInfos(index, 0)
 160             typename = Manager.GetTypeName(subentry_infos["type"])
 161             typeinfos = GetValidTypeInfos(typename)
 162             texts["subIndexType"] = typeinfos[0]
 163             texts["suffixe"] = typeinfos[1]
 164             if typeinfos[2] == "visible_string":
 165                 texts["value"] = "\"%s\""%values
 166                 texts["comment"] = ""
 167             else:
 168                 texts["value"] = "0x%X"%values
 169                 texts["comment"] = "\t/* %s */"%str(values)
 170             if index in variablelist:
 171                 texts["name"] = FormatName(subentry_infos["name"])
 172                 strDeclareHeader += "extern %(subIndexType)s %(name)s%(suffixe)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x00*/\n"%texts
 173                 if callbacks:
 174                     strDeclareHeader += "extern ODCallback_t %(name)s_callbacks[];\t\t/* Callbacks of index0x%(index)04X */\n"%texts
 175                 mappedVariableContent += "%(subIndexType)s %(name)s%(suffixe)s = %(value)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x00 */\n"%texts
 176             else:
 177                 strIndex += "                    %(subIndexType)s %(NodeName)s_obj%(index)04X%(suffixe)s = %(value)s;%(comment)s\n"%texts
 178             values = [values]
 179         else:
 180             subentry_infos = Manager.GetSubentryInfos(index, 0)
 181             typename = Manager.GetTypeName(subentry_infos["type"])
 182             typeinfos = GetValidTypeInfos(typename)
 183             texts["value"] = values[0]
 184             texts["subIndexType"] = typeinfos[0]
 185             strIndex += "                    %(subIndexType)s %(NodeName)s_highestSubIndex_obj%(index)04X = %(value)d; /* number of subindex - 1*/\n"%texts
 186
 187             # Entry type is RECORD
 188             if entry_infos["struct"] & OD_IdenticalSubindexes:
 189                 subentry_infos = Manager.GetSubentryInfos(index, 1)
 190                 typename = Manager.GetTypeName(subentry_infos["type"])
 191                 typeinfos = GetValidTypeInfos(typename)
 192                 texts["subIndexType"] = typeinfos[0]
 193                 texts["suffixe"] = typeinfos[1]
 194                 texts["length"] = values[0]
 195                 if index in variablelist:
 196                     texts["name"] = FormatName(entry_infos["name"])
 197                     strDeclareHeader += "extern %(subIndexType)s %(name)s[%(length)d]%(suffixe)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x01 - 0x%(length)02X */\n"%texts
 198                     if callbacks:
 199                         strDeclareHeader += "extern ODCallback_t %(name)s_callbacks[];\t\t/* Callbacks of index0x%(index)04X */\n"%texts
 200                     mappedVariableContent += "%(subIndexType)s %(name)s[] =\t\t/* Mapped at index 0x%(index)04X, subindex 0x01 - 0x%(length)02X */\n  {\n"%texts
 201                     for subIndex, value in enumerate(values):
 202                         sep = ","
 203                         comment = ""
 204                         if subIndex > 0:
 205                             if subIndex == len(values)-1:
 206                                 sep = ""
 207                             if typeinfos[2] == "visible_string":
 208                                 value = "\"%s\""%value
 209                             else:
 210                                 comment = "\t/* %s */"%str(value)
 211                                 value = "0x%X"%value
 212                             mappedVariableContent += "    %s%s%s\n"%(value, sep, comment)
 213                     mappedVariableContent += "  };\n"
 214                 else:
 215                     strIndex += "                    %(subIndexType)s %(NodeName)s_obj%(index)04X[] = \n                    {\n"%texts
 216                     for subIndex, value in enumerate(values):
 217                         sep = ","
 218                         comment = ""
 219                         if subIndex > 0:
 220                             if subIndex == len(values)-1:
 221                                 sep = ""
 222                             if typeinfos[2] == "visible_string":
 223                                 value = "\"%s\""%value
 224                             elif typeinfos[2] == "domain":
 225                                 value = "\"%s\""%''.join(["\\x%2.2x"%ord(char) for char in value])
 226                             else:
 227                                 comment = "\t/* %s */"%str(value)
 228                                 value = "0x%X"%value
 229                             strIndex += "                      %s%s%s\n"%(value, sep, comment)
 230                     strIndex += "                    };\n"
 231             else:
 232
 233                 texts["parent"] = FormatName(entry_infos["name"])
 234                 # Entry type is ARRAY
 235                 for subIndex, value in enumerate(values):
 236                     texts["subIndex"] = subIndex
 237                     if subIndex > 0:
 238                         subentry_infos = Manager.GetSubentryInfos(index, subIndex)
 239                         typename = Manager.GetTypeName(subentry_infos["type"])
 240                         typeinfos = GetValidTypeInfos(typename)
 241                         texts["subIndexType"] = typeinfos[0]
 242                         texts["suffixe"] = typeinfos[1]
 243                         if typeinfos[2] == "visible_string":
 244                             texts["value"] = "\"%s\""%value
 245                             texts["comment"] = ""
 246                         else:
 247                             texts["value"] = "0x%X"%value
 248                             texts["comment"] = "\t/* %s */"%str(value)
 249                         texts["name"] = FormatName(subentry_infos["name"])
 250                         if index in variablelist:
 251                             strDeclareHeader += "extern %(subIndexType)s %(parent)s_%(name)s%(suffixe)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x%(subIndex)02X */\n"%texts
 252                             mappedVariableContent += "%(subIndexType)s %(parent)s_%(name)s%(suffixe)s = %(value)s;\t\t/* Mapped at index 0x%(index)04X, subindex 0x%(subIndex)02X */\n"%texts
 253                         else:
 254                             strIndex += "                    %(subIndexType)s %(NodeName)s_obj%(index)04X_%(name)s%(suffixe)s = %(value)s;%(comment)s\n"%texts
 255                 if callbacks:
 256                     strDeclareHeader += "extern ODCallback_t %(parent)s_callbacks[];\t\t/* Callbacks of index0x%(index)04X */\n"%texts
 257
 258         # Generating Dictionary C++ entry
 259         if callbacks:
 260             if index in variablelist:
 261                 name = FormatName(entry_infos["name"])
 262             else:
 263                 name = "%(NodeName)s_Index%(index)04X"%texts
 264             strIndex += "                    ODCallback_t %s_callbacks[] = \n                     {\n"%name
 265             for subIndex in xrange(len(values)):
 266                 strIndex += "                       NULL,\n"
 267             strIndex += "                     };\n"
 268             indexCallbacks[index] = "*callbacks = %s_callbacks; "%name
 269         else:
 270             indexCallbacks[index] = ""
 271         strIndex += "                    subindex %(NodeName)s_Index%(index)04X[] = \n                     {\n"%texts
 272         for subIndex in xrange(len(values)):
 273             subentry_infos = Manager.GetSubentryInfos(index, subIndex)
 274             if subIndex < len(values) - 1:
 275                 sep = ","
 276             else:
 277                 sep = ""
 278             typename = Manager.GetTypeName(subentry_infos["type"])
 279             typeinfos = GetValidTypeInfos(typename)
 280             if subIndex == 0:
 281                 if entry_infos["struct"] & OD_MultipleSubindexes:
 282                     name = "%(NodeName)s_highestSubIndex_obj%(index)04X"%texts
 283                 elif index in variablelist:
 284                     name = FormatName(subentry_infos["name"])
 285                 else:
 286                     name = FormatName("%s_obj%04X"%(texts["NodeName"], texts["index"]))
 287             elif entry_infos["struct"] & OD_IdenticalSubindexes:
 288                 if index in variablelist:
 289                     name = "%s[%d]"%(FormatName(entry_infos["name"]), subIndex - 1)
 290                 else:
 291                     name = "%s_obj%04X[%d]"%(texts["NodeName"], texts["index"], subIndex - 1)
 292             else:
 293                 if index in variablelist:
 294                     name = FormatName("%s_%s"%(entry_infos["name"],subentry_infos["name"]))
 295                 else:
 296                     name = "%s_obj%04X_%s"%(texts["NodeName"], texts["index"], FormatName(subentry_infos["name"]))
 297             if typeinfos[2] in ["visible_string", "domain"]:
 298                 sizeof = str(len(values[subIndex]))
 299             else:
 300                 sizeof = "sizeof (%s)"%typeinfos[0]
 301             params = Manager.GetCurrentParamsEntry(index, subIndex)
 302             if params["save"]:
 303                 save = "|TO_BE_SAVE"
 304             else:
 305                 save = ""
 306             strIndex += "                       { %s%s, %s, %s, (void*)&%s }%s\n"%(subentry_infos["access"].upper(),save,typeinfos[2],sizeof,name,sep)
 307         strIndex += "                     };\n"
 308         indexContents[index] = strIndex
 309
 310 #-------------------------------------------------------------------------------
 311 #                     Declaration of Particular Parameters
 312 #-------------------------------------------------------------------------------
 313
 314     if 0x1006 not in communicationlist:
 315         entry_infos = Manager.GetEntryInfos(0x1006)
 316         texts["EntryName"] = entry_infos["name"]
 317         indexContents[0x1006] = """\n/* index 0x1006 :   %(EntryName)s */
 318                     UNS32 %(NodeName)s_obj1006 = 0x0;   /* 0 */
 319 """%texts
 320
 321     if 0x1016 in communicationlist:
 322         texts["nombre"] = Manager.GetCurrentEntry(0x1016, 0)
 323     else:
 324         texts["nombre"] = 0
 325         entry_infos = Manager.GetEntryInfos(0x1016)
 326         texts["EntryName"] = entry_infos["name"]
 327         indexContents[0x1016] = """\n/* index 0x1016 :   %(EntryName)s */
 328                     UNS8 %(NodeName)s_highestSubIndex_obj1016 = 0;
 329                     UNS32 %(NodeName)s_obj1016[]={0};
 330 """%texts
 331     if texts["nombre"] > 0:
 332         strTimers = "TIMER_HANDLE %(NodeName)s_heartBeatTimers[%(nombre)d] = {TIMER_NONE,};\n"%texts
 333     else:
 334         strTimers = "TIMER_HANDLE %(NodeName)s_heartBeatTimers[1];\n"%texts
 335
 336     if 0x1017 not in communicationlist:
 337         entry_infos = Manager.GetEntryInfos(0x1017)
 338         texts["EntryName"] = entry_infos["name"]
 339         indexContents[0x1017] = """\n/* index 0x1017 :   %(EntryName)s */
 340                     UNS16 %(NodeName)s_obj1017 = 0x0;   /* 0 */
 341 """%texts
 342
 343 #-------------------------------------------------------------------------------
 344 #               Declaration of navigation in the Object Dictionary
 345 #-------------------------------------------------------------------------------
 346
 347     strDeclareIndex = ""
 348     strDeclareSwitch = ""
 349     strQuickIndex = ""
 350     quick_index = {}
 351     for index_cat in index_categories:
 352         quick_index[index_cat] = {}
 353         for cat, idx_min, idx_max in categories:
 354             quick_index[index_cat][cat] = 0
 355     maxPDOtransmit = 0
 356     for i, index in enumerate(listIndex):
 357         texts["index"] = index
 358         strDeclareIndex += "  { (subindex*)%(NodeName)s_Index%(index)04X,sizeof(%(NodeName)s_Index%(index)04X)/sizeof(%(NodeName)s_Index%(index)04X[0]), 0x%(index)04X},\n"%texts
 359         strDeclareSwitch += "           case 0x%04X: i = %d;%sbreak;\n"%(index, i, indexCallbacks[index])
 360         for cat, idx_min, idx_max in categories:
 361             if idx_min <= index <= idx_max:
 362                 quick_index["lastIndex"][cat] = i
 363                 if quick_index["firstIndex"][cat] == 0:
 364                     quick_index["firstIndex"][cat] = i
 365                 if cat == "PDO_TRS":
 366                     maxPDOtransmit += 1
 367     texts["maxPDOtransmit"] = max(1, maxPDOtransmit)
 368     for index_cat in index_categories:
 369         strQuickIndex += "\nquick_index %s_%s = {\n"%(texts["NodeName"], index_cat)
 370         sep = ","
 371         for i, (cat, idx_min, idx_max) in enumerate(categories):
 372             if i == len(categories) - 1:
 373                 sep = ""
 374             strQuickIndex += "  %d%s /* %s */\n"%(quick_index[index_cat][cat],sep,cat)
 375         strQuickIndex += "};\n"
 376
 377 #-------------------------------------------------------------------------------
 378 #                            Write File Content
 379 #-------------------------------------------------------------------------------
 380
 381     fileContent = generated_tag + """
 382 #include "%s"
 383 """%(headerfilepath)
 384
 385     fileContent += """
 386 /**************************************************************************/
 387 /* Declaration of the mapped variables                                    */
 388 /**************************************************************************/
 389 """ + mappedVariableContent
 390
 391     fileContent += """
 392 /**************************************************************************/
 393 /* Declaration of the value range types                                   */
 394 /**************************************************************************/
 395 """ + valueRangeContent
 396
 397     fileContent += """
 398 /**************************************************************************/
 399 /* The node id                                                            */
 400 /**************************************************************************/
 401 /* node_id default value.*/
 402 UNS8 %(NodeName)s_bDeviceNodeId = 0x%(NodeID)02X;
 403
 404 /**************************************************************************/
 405 /* Array of message processing information */
 406
 407 const UNS8 %(NodeName)s_iam_a_slave = %(iam_a_slave)d;
 408
 409 """%texts
 410     fileContent += strTimers
 411
 412     fileContent += """
 413 /*
 414 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
 415
 416                                OBJECT DICTIONARY
 417
 418 $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
 419 */
 420 """%texts
 421     contentlist = indexContents.keys()
 422     contentlist.sort()
 423     for index in contentlist:
 424         fileContent += indexContents[index]
 425
 426     fileContent += """
 427 const indextable %(NodeName)s_objdict[] =
 428 {
 429 """%texts
 430     fileContent += strDeclareIndex
 431     fileContent += """};
 432
 433 const indextable * %(NodeName)s_scanIndexOD (UNS16 wIndex, UNS32 * errorCode, ODCallback_t **callbacks)
 434 {
 435         int i;
 436         *callbacks = NULL;
 437         switch(wIndex){
 438 """%texts
 439     fileContent += strDeclareSwitch
 440     fileContent += """          default:
 441                         *errorCode = OD_NO_SUCH_OBJECT;
 442                         return NULL;
 443         }
 444         *errorCode = OD_SUCCESSFUL;
 445         return &%(NodeName)s_objdict[i];
 446 }
 447
 448 /* To count at which received SYNC a PDO must be sent.
 449  * Even if no pdoTransmit are defined, at least one entry is computed
 450  * for compilations issues.
 451  */
 452 UNS8 %(NodeName)s_count_sync[%(maxPDOtransmit)d] = {0,};
 453 """%texts
 454     fileContent += strQuickIndex
 455     fileContent += """
 456 UNS16 %(NodeName)s_ObjdictSize = sizeof(%(NodeName)s_objdict)/sizeof(%(NodeName)s_objdict[0]);
 457
 458 CO_Data %(NodeName)s_Data = CANOPEN_NODE_DATA_INITIALIZER(%(NodeName)s);
 459
 460 """%texts
 461
 462 #-------------------------------------------------------------------------------
 463 #                          Write Header File Content
 464 #-------------------------------------------------------------------------------
 465
 466     HeaderFileContent = generated_tag + """
 467 #include "data.h"
 468
 469 /* Prototypes of function provided by object dictionnary */
 470 UNS32 %(NodeName)s_valueRangeTest (UNS8 typeValue, void * value);
 471 const indextable * %(NodeName)s_scanIndexOD (UNS16 wIndex, UNS32 * errorCode, ODCallback_t **callbacks);
 472
 473 /* Master node data struct */
 474 extern CO_Data %(NodeName)s_Data;
 475
 476 """%texts
 477     HeaderFileContent += strDeclareHeader
 478
 479     return fileContent,HeaderFileContent
 480
 481 #-------------------------------------------------------------------------------
 482 #                             Main Function
 483 #-------------------------------------------------------------------------------
 484
 485 def GenerateFile(filepath, manager):
 486     try:
 487         headerfilepath = os.path.splitext(filepath)[0]+".h"
 488         content, header = GenerateFileContent(manager, os.path.split(headerfilepath)[1])
 489         WriteFile(filepath, content)
 490         WriteFile(headerfilepath, header)
 491         return None
 492     except ValueError, message:
 493         return "Unable to Generate C File\n%s"%message
 494