wizard/bertos_utils.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # This file is part of BeRTOS.
   5 #
   6 # Bertos is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19 #
  20 # As a special exception, you may use this file as part of a free software
  21 # library without restriction.  Specifically, if other files instantiate
  22 # templates or use macros or inline functions from this file, or you compile
  23 # this file and link it with other files to produce an executable, this
  24 # file does not by itself cause the resulting executable to be covered by
  25 # the GNU General Public License.  This exception does not however
  26 # invalidate any other reasons why the executable file might be covered by
  27 # the GNU General Public License.
  28 #
  29 # Copyright 2008 Develer S.r.l. (http://www.develer.com/)
  30 #
  31 # $Id$
  32 #
  33 # Author: Lorenzo Berni <duplo@develer.com>
  34 #
  35
  36 import os
  37 import fnmatch
  38 import glob
  39 import re
  40 import shutil
  41 # Use custom copytree function
  42 import copytree
  43 import pickle
  44
  45 import const
  46 import plugins
  47 import DefineException
  48
  49 from _wizard_version import WIZARD_VERSION
  50
  51 from LoadException import VersionException, ToolchainException
  52
  53 def isBertosDir(directory):
  54    return os.path.exists(directory + "/VERSION")
  55
  56 def bertosVersion(directory):
  57    return open(directory + "/VERSION").readline().strip()
  58
  59 def enabledModules(project_info):
  60     enabled_modules = []
  61     for name, module in project_info.info("MODULES").items():
  62         if module["enabled"]:
  63             enabled_modules.append(name)
  64     return enabled_modules
  65
  66 def presetList(directory):
  67     """
  68     Return the list of the preset found in the selected BeRTOS Version.
  69     """
  70     abspath = os.path.join(directory, const.PREDEFINED_BOARDS_DIR)
  71     preset_list = dict([
  72         (os.path.join(abspath, preset_dir), presetInfo(os.path.join(abspath, preset_dir)))
  73         for preset_dir in os.listdir(os.path.join(directory, const.PREDEFINED_BOARDS_DIR))
  74     ])
  75     return preset_list
  76
  77 def presetInfo(preset_dir):
  78     """
  79     Return the preset-relevant info contined into the project_file.
  80     """
  81     preset_info = pickle.loads(open(os.path.join(preset_dir, "project.bertos"), "r").read())
  82     try:
  83         description = open(os.path.join(preset_dir, "description"), "r").read()
  84     except IOError:
  85         # No description file found.
  86         description = ""
  87     relevant_info = {
  88         "CPU_NAME": preset_info.get("CPU_NAME"),
  89         "SELECTED_FREQ": preset_info.get("SELECTED_FREQ"),
  90         "WIZARD_VERSION": preset_info.get("WIZARD_VERSION", None),
  91         "PRESET_NAME": preset_info.get("PROJECT_NAME"),
  92         "PRESET_DESCRIPTION": description.decode("utf-8"),
  93     }
  94     return relevant_info
  95
  96 def mergeSources(srcdir, new_sources, old_sources):
  97     # The current mergeSources function provide only a raw copy of the sources in the
  98     # created project.
  99     #
 100     # TODO: implement the three way merge algorithm
 101     #
 102     shutil.rmtree(srcdir, True)
 103     copytree.copytree(os.path.join(new_sources, "bertos"), srcdir, ignore_list=const.IGNORE_LIST)
 104
 105 def projectFileGenerator(project_info):
 106     directory = project_info.info("PROJECT_PATH")
 107     project_data = {}
 108     enabled_modules = []
 109     for module, information in project_info.info("MODULES").items():
 110         if information["enabled"]:
 111             enabled_modules.append(module)
 112     project_data["ENABLED_MODULES"] = enabled_modules
 113     if project_info.info("PRESET"):
 114         # For presets save again the SOURCES_PATH into project file
 115         project_data["PRESET"] = True
 116         project_data["SOURCES_PATH"] = project_info.info("SOURCES_PATH")
 117     else:
 118         # Use the local BeRTOS version instead of the original one
 119         # project_data["SOURCES_PATH"] = project_info.info("SOURCES_PATH")
 120         project_data["SOURCES_PATH"] = directory
 121     project_data["PROJECT_NAME"] = project_info.info("PROJECT_NAME", os.path.basename(directory))
 122     project_data["PROJECT_SRC_PATH"] = project_info.info("PROJECT_SRC_PATH")
 123     project_data["TOOLCHAIN"] = project_info.info("TOOLCHAIN")
 124     project_data["CPU_NAME"] = project_info.info("CPU_NAME")
 125     project_data["SELECTED_FREQ"] = project_info.info("SELECTED_FREQ")
 126     project_data["OUTPUT"] = project_info.info("OUTPUT")
 127     project_data["WIZARD_VERSION"] = WIZARD_VERSION
 128     return pickle.dumps(project_data)
 129
 130 def loadPlugin(plugin):
 131     """
 132     Returns the given plugin module.
 133     """
 134     return getattr(__import__("plugins", {}, {}, [plugin]), plugin)
 135
 136 def versionFileGenerator(project_info, version_file):
 137     version = bertosVersion(project_info.info("SOURCES_PATH"))
 138     return version_file.replace('$version', version)
 139
 140 def userMkGenerator(project_info, makefile):
 141     mk_data = {}
 142     mk_data["$pname"] = os.path.basename(project_info.info("PROJECT_PATH"))
 143     mk_data["$main"] = os.path.basename(project_info.info("PROJECT_PATH")) + "/main.c"
 144     for key in mk_data:
 145         while makefile.find(key) != -1:
 146             makefile = makefile.replace(key, mk_data[key])
 147     return makefile
 148
 149 def mkGenerator(project_info, makefile):
 150     """
 151     Generates the mk file for the current project.
 152     """
 153     mk_data = {}
 154     mk_data["$pname"] = project_info.info("PROJECT_NAME")
 155     mk_data["$cpuclockfreq"] = project_info.info("SELECTED_FREQ")
 156     cpu_mk_parameters = []
 157     for key, value in project_info.info("CPU_INFOS").items():
 158         if key.startswith(const.MK_PARAM_ID):
 159             cpu_mk_parameters.append("%s = %s" %(key.replace("MK", mk_data["$pname"]), value))
 160     mk_data["$cpuparameters"] = "\n".join(cpu_mk_parameters)
 161     mk_data["$csrc"], mk_data["$pcsrc"], mk_data["$cppasrc"], mk_data["$cxxsrc"], mk_data["$asrc"], mk_data["$constants"] = csrcGenerator(project_info)
 162     mk_data["$prefix"] = replaceSeparators(project_info.info("TOOLCHAIN")["path"].split("gcc")[0])
 163     mk_data["$suffix"] = replaceSeparators(project_info.info("TOOLCHAIN")["path"].split("gcc")[1])
 164     mk_data["$main"] = os.path.basename(project_info.info("PROJECT_PATH")) + "/main.c"
 165     for key in mk_data:
 166         while makefile.find(key) != -1:
 167             makefile = makefile.replace(key, mk_data[key])
 168     return makefile
 169
 170 def makefileGenerator(project_info, makefile):
 171     """
 172     Generate the Makefile for the current project.
 173     """
 174     # TODO write a general function that works for both the mk file and the Makefile
 175     while makefile.find("$pname") != -1:
 176         makefile = makefile.replace("$pname", project_info.info("PROJECT_NAME"))
 177     return makefile
 178
 179 def csrcGenerator(project_info):
 180     modules = project_info.info("MODULES")
 181     files = project_info.info("FILES")
 182     if "harvard" in project_info.info("CPU_INFOS")["CPU_TAGS"]:
 183         harvard = True
 184     else:
 185         harvard = False
 186     # file to be included in CSRC variable
 187     csrc = []
 188     # file to be included in PCSRC variable
 189     pcsrc = []
 190     # files to be included in CPPASRC variable
 191     cppasrc = []
 192     # files to be included in CXXSRC variable
 193     cxxsrc = []
 194     # files to be included in ASRC variable
 195     asrc = []
 196     # constants to be included at the beginning of the makefile
 197     constants = {}
 198     for module, information in modules.items():
 199         module_files = set([])
 200         dependency_files = set([])
 201         # assembly sources
 202         asm_files = set([])
 203         hwdir = os.path.basename(project_info.info("PROJECT_PATH")) + "/hw"
 204         if information["enabled"]:
 205             if "constants" in information:
 206                 constants.update(information["constants"])
 207             cfiles, sfiles = findModuleFiles(module, project_info)
 208             module_files |= set(cfiles)
 209             asm_files |= set(sfiles)
 210             for file in information["hw"]:
 211                 if file.endswith(".c"):
 212                     module_files |= set([hwdir + "/" + os.path.basename(file)])
 213             for file_dependency in information["depends"] + tuple(files.keys()):
 214                     dependencyCFiles, dependencySFiles = findModuleFiles(file_dependency, project_info)
 215                     dependency_files |= set(dependencyCFiles)
 216                     asm_files |= set(dependencySFiles)
 217             for file in module_files:
 218                 if not harvard or information.get("harvard", "both") == "both":
 219                     csrc.append(file)
 220                 if harvard and "harvard" in information:
 221                     pcsrc.append(file)
 222             for file in dependency_files:
 223                 csrc.append(file)
 224             for file in project_info.info("CPU_INFOS")["C_SRC"]:
 225                 csrc.append(file)
 226             for file in project_info.info("CPU_INFOS")["PC_SRC"]:
 227                 pcsrc.append(file)
 228             for file in asm_files:
 229                 cppasrc.append(file)
 230     for file in project_info.info("CPU_INFOS")["CPPA_SRC"]:
 231         cppasrc.append(file)
 232     for file in project_info.info("CPU_INFOS")["CXX_SRC"]:
 233         cxxsrc.append(file)
 234     for file in project_info.info("CPU_INFOS")["ASRC"]:
 235         asrc.append(file)
 236     csrc = set(csrc)
 237     csrc = " \\\n\t".join(csrc) + " \\"
 238     pcsrc = set(pcsrc)
 239     pcsrc = " \\\n\t".join(pcsrc) + " \\"
 240     cppasrc = set(cppasrc)
 241     cppasrc = " \\\n\t".join(cppasrc) + " \\"
 242     cxxsrc = set(cxxsrc)
 243     cxxsrc = " \\\n\t".join(cxxsrc) + " \\"
 244     asrc = set(asrc)
 245     asrc = " \\\n\t".join(asrc) + " \\"
 246     constants = "\n".join([os.path.basename(project_info.info("PROJECT_PATH")) + "_" + key + " = " + unicode(value) for key, value in constants.items()])
 247     return csrc, pcsrc, cppasrc, cxxsrc, asrc, constants
 248
 249 def findModuleFiles(module, project_info):
 250     # Find the files related to the selected module
 251     cfiles = []
 252     sfiles = []
 253     # .c files related to the module and the cpu architecture
 254     for filename, path in project_info.searchFiles(module + ".c"):
 255         path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 256         path = replaceSeparators(path)
 257         cfiles.append(path + "/" + filename)
 258     # .s files related to the module and the cpu architecture
 259     for filename, path in project_info.searchFiles(module + ".s") + \
 260             project_info.searchFiles(module + ".S"):
 261         path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 262         path = replaceSeparators(path)
 263         sfiles.append(path + "/" + filename)
 264     # .c and .s files related to the module and the cpu tags
 265     tags = project_info.info("CPU_INFOS")["CPU_TAGS"]
 266
 267     # Awful, but secure check for version
 268     # TODO: split me in a method/function
 269     try:
 270         version_string = bertosVersion(project_info.info("SOURCES_PATH"))
 271         version_list = [int(i) for i in version_string.split()[-1].split('.')]
 272         if version_list < [2, 5]:
 273             # For older versions of BeRTOS add the toolchain to the tags
 274             tags.append(project_info.info("CPU_INFOS")["TOOLCHAIN"])
 275     except ValueError:
 276         # If the version file hasn't a valid version number do nothing
 277         pass
 278
 279     for tag in tags:
 280         for filename, path in project_info.searchFiles(module + "_" + tag + ".c"):
 281             path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 282             if os.sep != "/":
 283                 path = replaceSeparators(path)
 284             cfiles.append(path + "/" + filename)
 285         for filename, path in project_info.searchFiles(module + "_" + tag + ".s") + \
 286                 project_info.searchFiles(module + "_" + tag + ".S"):
 287             path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 288             path = replaceSeparators(path)
 289             sfiles.append(path + "/" + filename)
 290     return cfiles, sfiles
 291
 292 def replaceSeparators(path):
 293     """
 294     Replace the separators in the given path with unix standard separator.
 295     """
 296     if os.sep != "/":
 297         while path.find(os.sep) != -1:
 298             path = path.replace(os.sep, "/")
 299     return path
 300
 301 def getSystemPath():
 302     path = os.environ["PATH"]
 303     if os.name == "nt":
 304         path = path.split(";")
 305     else:
 306         path = path.split(":")
 307     return path
 308
 309 def findToolchains(path_list):
 310     toolchains = []
 311     for element in path_list:
 312         for toolchain in glob.glob(element+ "/" + const.GCC_NAME):
 313             toolchains.append(toolchain)
 314     return list(set(toolchains))
 315
 316 def getToolchainInfo(output):
 317     info = {}
 318     expr = re.compile("Target: .*")
 319     target = expr.findall(output)
 320     if len(target) == 1:
 321         info["target"] = target[0].split("Target: ")[1]
 322     expr = re.compile("gcc version [0-9,.]*")
 323     version = expr.findall(output)
 324     if len(version) == 1:
 325         info["version"] = version[0].split("gcc version ")[1]
 326     expr = re.compile("gcc version [0-9,.]* \(.*\)")
 327     build = expr.findall(output)
 328     if len(build) == 1:
 329         build = build[0].split("gcc version ")[1]
 330         build = build[build.find("(") + 1 : build.find(")")]
 331         info["build"] = build
 332     expr = re.compile("Configured with: .*")
 333     configured = expr.findall(output)
 334     if len(configured) == 1:
 335         info["configured"] = configured[0].split("Configured with: ")[1]
 336     expr = re.compile("Thread model: .*")
 337     thread = expr.findall(output)
 338     if len(thread) == 1:
 339         info["thread"] = thread[0].split("Thread model: ")[1]
 340     return info
 341
 342 def getToolchainName(toolchain_info):
 343     name = "GCC " + toolchain_info["version"] + " - " + toolchain_info["target"].strip()
 344     return name
 345
 346 def getTagSet(cpu_info):
 347     tag_set = set([])
 348     for cpu in cpu_info:
 349         tag_set |= set([cpu["CPU_NAME"]])
 350         tag_set |= set(cpu["CPU_TAGS"])
 351         tag_set |= set([cpu["TOOLCHAIN"]])
 352     return tag_set
 353
 354
 355 def getInfos(definition):
 356     D = {}
 357     D.update(const.CPU_DEF)
 358     def include(filename, dict = D, directory=definition[1]):
 359         execfile(directory + "/" + filename, {}, D)
 360     D["include"] = include
 361     include(definition[0], D)
 362     D["CPU_NAME"] = definition[0].split(".")[0]
 363     D["DEFINITION_PATH"] = definition[1] + "/" + definition[0]
 364     del D["include"]
 365     return D
 366
 367 def getCommentList(string):
 368     comment_list = re.findall(r"/\*{2}\s*([^*]*\*(?:[^/*][^*]*\*+)*)/", string)
 369     comment_list = [re.findall(r"^\s*\* *(.*?)$", comment, re.MULTILINE) for comment in comment_list]
 370     return comment_list
 371
 372 def loadModuleDefinition(first_comment):
 373     to_be_parsed = False
 374     module_definition = {}
 375     for num, line in enumerate(first_comment):
 376         index = line.find("$WIZ$")
 377         if index != -1:
 378             to_be_parsed = True
 379             try:
 380                 exec line[index + len("$WIZ$ "):] in {}, module_definition
 381             except:
 382                 raise ParseError(num, line[index:])
 383         elif line.find("\\brief") != -1:
 384             module_definition["module_description"] = line[line.find("\\brief") + len("\\brief "):]
 385     module_dict = {}
 386     if "module_name" in module_definition:
 387         module_name = module_definition[const.MODULE_DEFINITION["module_name"]]
 388         del module_definition[const.MODULE_DEFINITION["module_name"]]
 389         module_dict[module_name] = {}
 390         if const.MODULE_DEFINITION["module_depends"] in module_definition:
 391             depends = module_definition[const.MODULE_DEFINITION["module_depends"]]
 392             del module_definition[const.MODULE_DEFINITION["module_depends"]]
 393             if type(depends) == str:
 394                 depends = (depends,)
 395             module_dict[module_name]["depends"] = depends
 396         else:
 397             module_dict[module_name]["depends"] = ()
 398         if const.MODULE_DEFINITION["module_configuration"] in module_definition:
 399             module_dict[module_name]["configuration"] = module_definition[const.MODULE_DEFINITION["module_configuration"]]
 400             del module_definition[const.MODULE_DEFINITION["module_configuration"]]
 401         else:
 402             module_dict[module_name]["configuration"] = ""
 403         if "module_description" in module_definition:
 404             module_dict[module_name]["description"] = module_definition["module_description"]
 405             del module_definition["module_description"]
 406         if const.MODULE_DEFINITION["module_harvard"] in module_definition:
 407             harvard = module_definition[const.MODULE_DEFINITION["module_harvard"]]
 408             module_dict[module_name]["harvard"] = harvard
 409             del module_definition[const.MODULE_DEFINITION["module_harvard"]]
 410         if const.MODULE_DEFINITION["module_hw"] in module_definition:
 411             hw = module_definition[const.MODULE_DEFINITION["module_hw"]]
 412             del module_definition[const.MODULE_DEFINITION["module_hw"]]
 413             if type(hw) == str:
 414                 hw = (hw, )
 415             module_dict[module_name]["hw"] = hw
 416         else:
 417             module_dict[module_name]["hw"] = ()
 418         if const.MODULE_DEFINITION["module_supports"] in module_definition:
 419             supports = module_definition[const.MODULE_DEFINITION["module_supports"]]
 420             del module_definition[const.MODULE_DEFINITION["module_supports"]]
 421             module_dict[module_name]["supports"] = supports
 422         module_dict[module_name]["constants"] = module_definition
 423         module_dict[module_name]["enabled"] = False
 424     return to_be_parsed, module_dict
 425
 426 def isSupported(project, module=None, property_id=None):
 427     if not module and property_id:
 428         item = project.info("CONFIGURATIONS")[property_id[0]][property_id[1]]["informations"]
 429     else:
 430         item = project.info("MODULES")[module]
 431     tag_dict = project.info("ALL_CPU_TAGS")
 432     if "supports" in item:
 433         support_string = item["supports"]
 434         supported = {}
 435         try:
 436             exec "supported = " + support_string in tag_dict, supported
 437         except:
 438             raise SupportedException(support_string)
 439         return supported["supported"]
 440     else:
 441         return True
 442
 443 def loadDefineLists(comment_list):
 444     define_list = {}
 445     for comment in comment_list:
 446         for num, line in enumerate(comment):
 447             index = line.find("$WIZ$")
 448             if index != -1:
 449                 try:
 450                     exec line[index + len("$WIZ$ "):] in {}, define_list
 451                 except:
 452                     raise ParseError(num, line[index:])
 453     for key, value in define_list.items():
 454         if type(value) == str:
 455             define_list[key] = (value,)
 456     return define_list
 457
 458 def getDescriptionInformations(comment):
 459     """
 460     Take the doxygen comment and strip the wizard informations, returning the tuple
 461     (comment, wizard_information)
 462     """
 463     brief = ""
 464     description = ""
 465     information = {}
 466     for num, line in enumerate(comment):
 467         index = line.find("$WIZ$")
 468         if index != -1:
 469             if len(brief) == 0:
 470                 brief += line[:index].strip()
 471             else:
 472                 description += " " + line[:index]
 473             try:
 474                 exec line[index + len("$WIZ$ "):] in {}, information
 475             except:
 476                 raise ParseError(num, line[index:])
 477         else:
 478             if len(brief) == 0:
 479                 brief += line.strip()
 480             else:
 481                 description += " " + line
 482                 description = description.strip()
 483     return brief.strip(), description.strip(), information
 484
 485 def getDefinitionBlocks(text):
 486     """
 487     Take a text and return a list of tuple (description, name-value).
 488     """
 489     block = []
 490     block_tmp = re.finditer(r"/\*{2}\s*([^*]*\*(?:[^/*][^*]*\*+)*)/\s*#define\s+((?:[^/]*?/?)+)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE)
 491     for match in block_tmp:
 492         # Only the first element is needed
 493         comment = match.group(1)
 494         define = match.group(2)
 495         start = match.start()
 496         block.append(([re.findall(r"^\s*\* *(.*?)$", line, re.MULTILINE)[0] for line in comment.splitlines()], define, start))
 497     for match in re.finditer(r"/{3}\s*([^<].*?)\s*#define\s+((?:[^/]*?/?)+)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE):
 498         comment = match.group(1)
 499         define = match.group(2)
 500         start = match.start()
 501         block.append(([comment], define, start))
 502     for match in re.finditer(r"#define\s*(.*?)\s*/{3}<\s*(.+?)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE):
 503         comment = match.group(2)
 504         define = match.group(1)
 505         start = match.start()
 506         block.append(([comment], define, start))
 507     return block
 508
 509 def formatParamNameValue(text):
 510     """
 511     Take the given string and return a tuple with the name of the parameter in the first position
 512     and the value in the second.
 513     """
 514     block = re.findall("\s*([^\s]+)\s*(.+?)\s*$", text, re.MULTILINE)
 515     return block[0]
 516
 517 def loadConfigurationInfos(path):
 518     """
 519     Return the module configurations found in the given file as a dict with the
 520     parameter name as key and a dict containig the fields above as value:
 521         "value": the value of the parameter
 522         "description": the description of the parameter
 523         "informations": a dict containig optional informations:
 524             "type": "int" | "boolean" | "enum"
 525             "min": the minimum value for integer parameters
 526             "max": the maximum value for integer parameters
 527             "long": boolean indicating if the num is a long
 528             "unsigned": boolean indicating if the num is an unsigned
 529             "value_list": the name of the enum for enum parameters
 530             "conditional_deps": the list of conditional dependencies for boolean parameters
 531     """
 532     configuration_infos = {}
 533     configuration_infos["paramlist"] = []
 534     for comment, define, start in getDefinitionBlocks(open(path, "r").read()):
 535         name, value = formatParamNameValue(define)
 536         brief, description, informations = getDescriptionInformations(comment)
 537         configuration_infos["paramlist"].append((start, name))
 538         configuration_infos[name] = {}
 539         configuration_infos[name]["value"] = value
 540         configuration_infos[name]["informations"] = informations
 541         if not "type" in configuration_infos[name]["informations"]:
 542             configuration_infos[name]["informations"]["type"] = findParameterType(configuration_infos[name])
 543         if ("type" in configuration_infos[name]["informations"] and
 544                 configuration_infos[name]["informations"]["type"] == "int" and
 545                 configuration_infos[name]["value"].find("L") != -1):
 546             configuration_infos[name]["informations"]["long"] = True
 547             configuration_infos[name]["value"] = configuration_infos[name]["value"].replace("L", "")
 548         if ("type" in configuration_infos[name]["informations"] and
 549                 configuration_infos[name]["informations"]["type"] == "int" and
 550                 configuration_infos[name]["value"].find("U") != -1):
 551             configuration_infos[name]["informations"]["unsigned"] = True
 552             configuration_infos[name]["value"] = configuration_infos[name]["value"].replace("U", "")
 553         if "conditional_deps" in configuration_infos[name]["informations"]:
 554             if (type(configuration_infos[name]["informations"]["conditional_deps"]) == str or
 555                     type(configuration_infos[name]["informations"]["conditional_deps"]) == unicode):
 556                 configuration_infos[name]["informations"]["conditional_deps"] = (configuration_infos[name]["informations"]["conditional_deps"], )
 557             elif type(configuration_infos[name]["informations"]["conditional_deps"]) == tuple:
 558                 pass
 559             else:
 560                 configuration_infos[name]["informations"]["conditional_deps"] = ()
 561         configuration_infos[name]["description"] = description
 562         configuration_infos[name]["brief"] = brief
 563     return configuration_infos
 564
 565 def updateConfigurationValues(def_conf, user_conf):
 566     for param in def_conf["paramlist"]:
 567         if param[1] in user_conf and "value" in user_conf[param[1]]:
 568             def_conf[param[1]]["value"] = user_conf[param[1]]["value"]
 569     return def_conf
 570
 571 def findParameterType(parameter):
 572     if "value_list" in parameter["informations"]:
 573         return "enum"
 574     if "min" in parameter["informations"] or "max" in parameter["informations"] or re.match(r"^\d+U?L?$", parameter["value"]) != None:
 575         return "int"
 576
 577 def sub(string, parameter, value):
 578     """
 579     Substitute the given value at the given parameter define in the given string
 580     """
 581     return re.sub(r"(?P<define>#define\s+" + parameter + r"\s+)([^\s]+)", r"\g<define>" + value, string)
 582
 583 def isInt(informations):
 584     """
 585     Return True if the value is a simple int.
 586     """
 587     if ("long" not in informatios or not informations["long"]) and ("unsigned" not in informations or informations["unsigned"]):
 588         return True
 589     else:
 590         return False
 591
 592 def isLong(informations):
 593     """
 594     Return True if the value is a long.
 595     """
 596     if "long" in informations and informations["long"] and "unsigned" not in informations:
 597         return True
 598     else:
 599         return False
 600
 601 def isUnsigned(informations):
 602     """
 603     Return True if the value is an unsigned.
 604     """
 605     if "unsigned" in informations and informations["unsigned"] and "long" not in informations:
 606         return True
 607     else:
 608         return False
 609
 610 def isUnsignedLong(informations):
 611     """
 612     Return True if the value is an unsigned long.
 613     """
 614     if "unsigned" in informations and "long" in informations and informations["unsigned"] and informations["long"]:
 615         return True
 616     else:
 617         return False
 618
 619 class ParseError(Exception):
 620     def __init__(self, line_number, line):
 621         Exception.__init__(self)
 622         self.line_number = line_number
 623         self.line = line
 624
 625 class SupportedException(Exception):
 626     def __init__(self, support_string):
 627         Exception.__init__(self)
 628         self.support_string = support_string