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 #
  32 # Author: Lorenzo Berni <duplo@develer.com>
  33 #
  34
  35 import os
  36 import fnmatch
  37 import glob
  38 import re
  39 import shutil
  40 # Use custom copytree function
  41 import copytree
  42 import relpath
  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 _cmp(x, y):
  54     result = cmp(x["info"].get('ord', 0), y["info"].get('ord', 0))
  55     if result == 0:
  56         result = cmp(
  57             x["info"].get("name", x["info"]["filename"]).lower(),
  58             y["info"].get("name", y["info"]["filename"]).lower()
  59         )
  60     return result
  61
  62 def isBertosDir(directory):
  63    return os.path.exists(directory + "/VERSION")
  64
  65 def bertosVersion(directory):
  66    return open(directory + "/VERSION").readline().strip()
  67
  68 def enabledModules(project_info):
  69     enabled_modules = []
  70     for name, module in project_info.info("MODULES").items():
  71         if module["enabled"]:
  72             enabled_modules.append(name)
  73     return enabled_modules
  74
  75 def presetList(directory):
  76     """
  77     Return the list of the preset found in the selected BeRTOS Version.
  78     """
  79     abspath = os.path.join(directory, const.PREDEFINED_BOARDS_DIR)
  80     preset_list = dict([
  81         (os.path.join(abspath, preset_dir), presetInfo(os.path.join(abspath, preset_dir)))
  82         for preset_dir in os.listdir(os.path.join(directory, const.PREDEFINED_BOARDS_DIR))
  83     ])
  84     return preset_list
  85
  86 def presetInfo(preset_dir):
  87     """
  88     Return the preset-relevant info contined into the project_file.
  89     """
  90     preset_info = pickle.loads(open(os.path.join(preset_dir, "project.bertos"), "r").read())
  91     try:
  92         description = open(os.path.join(preset_dir, "description"), "r").read()
  93     except IOError:
  94         # No description file found.
  95         description = ""
  96     relevant_info = {
  97         "CPU_NAME": preset_info.get("CPU_NAME"),
  98         "SELECTED_FREQ": preset_info.get("SELECTED_FREQ"),
  99         "WIZARD_VERSION": preset_info.get("WIZARD_VERSION", None),
 100         "PRESET_NAME": preset_info.get("PROJECT_NAME"),
 101         "PRESET_DESCRIPTION": description.decode("utf-8"),
 102     }
 103     return relevant_info
 104
 105 def mergeSources(srcdir, new_sources, old_sources):
 106     # The current mergeSources function provide only a raw copy of the sources in the
 107     # created project.
 108     #
 109     # TODO: implement the three way merge algorithm
 110     #
 111     shutil.rmtree(srcdir, True)
 112     copytree.copytree(os.path.join(new_sources, "bertos"), srcdir, ignore_list=const.IGNORE_LIST)
 113
 114 def projectFileGenerator(project_info):
 115     directory = project_info.info("PROJECT_PATH")
 116     project_data = {}
 117     enabled_modules = []
 118     for module, information in project_info.info("MODULES").items():
 119         if information["enabled"]:
 120             enabled_modules.append(module)
 121     project_data["ENABLED_MODULES"] = enabled_modules
 122     if project_info.info("PRESET"):
 123         # For presets save again the BERTOS_PATH into project file
 124         project_data["PRESET"] = True
 125         project_data["BERTOS_PATH"] = relpath.relpath(project_info.info("BERTOS_PATH"), directory)
 126     elif project_info.edit:
 127         # If in editing mode the BERTOS_PATH is maintained
 128         project_data["BERTOS_PATH"] = relpath.relpath(project_info.info("BERTOS_PATH"), directory)
 129     else:
 130         # Use the local BeRTOS version instead of the original one
 131         # project_data["BERTOS_PATH"] = project_info.info("BERTOS_PATH")
 132         project_data["BERTOS_PATH"] = "."
 133     project_data["PROJECT_NAME"] = project_info.info("PROJECT_NAME", os.path.basename(directory))
 134     project_src_relpath = relpath.relpath(project_info.info("PROJECT_SRC_PATH"), directory)
 135     project_data["PROJECT_SRC_PATH"] = project_src_relpath
 136     project_data["TOOLCHAIN"] = project_info.info("TOOLCHAIN")
 137     project_data["CPU_NAME"] = project_info.info("CPU_NAME")
 138     project_data["SELECTED_FREQ"] = project_info.info("SELECTED_FREQ")
 139     project_data["OUTPUT"] = project_info.info("OUTPUT")
 140     project_data["WIZARD_VERSION"] = WIZARD_VERSION
 141     project_data["PRESET"] = project_info.info("PRESET")
 142     project_data["PROJECT_HW_PATH"] = relpath.relpath(project_info.info("PROJECT_HW_PATH"), directory)
 143     return pickle.dumps(project_data)
 144
 145 def loadPlugin(plugin):
 146     """
 147     Returns the given plugin module.
 148     """
 149     return getattr(__import__("plugins", {}, {}, [plugin]), plugin)
 150
 151 def versionFileGenerator(project_info, version_file):
 152     version = bertosVersion(project_info.info("BERTOS_PATH"))
 153     return version_file.replace('$version', version)
 154
 155 def userMkGeneratorFromPreset(project_info):
 156     project_name = project_info.info("PROJECT_NAME")
 157     preset_path = project_info.info("PRESET_PATH")
 158     preset_name = project_info.info("PRESET_NAME")
 159     preset_src_dir = project_info.info("PRESET_SRC_PATH")
 160     makefile = open(os.path.join(preset_path, preset_src_dir, "%s_user.mk" %preset_name), 'r').read()
 161     destination = os.path.join(project_info.prjdir, "%s_user.mk" %project_info.info("PROJECT_NAME"))
 162     # Temporary code.
 163     # TODO: write it using regular expressions to secure this function
 164     makefile = makefile.replace(preset_name + "_", project_name + "_")
 165     open(destination, "w").write(makefile)
 166
 167 def userMkGenerator(project_info):
 168     makefile = open(os.path.join(const.DATA_DIR, "mktemplates/template_user.mk"), "r").read()
 169     destination = os.path.join(project_info.prjdir, os.path.basename(project_info.prjdir) + "_user.mk")
 170     # Deadly performances loss was here :(
 171     mk_data = {}
 172     mk_data["$pname"] = os.path.basename(project_info.info("PROJECT_PATH"))
 173     mk_data["$ppath"] = relpath.relpath(project_info.info("PROJECT_SRC_PATH"), project_info.info("PROJECT_PATH"))
 174     mk_data["$main"] = "/".join(["$(%s_SRC_PATH)" %project_info.info("PROJECT_NAME"), "main.c"])
 175     for key in mk_data:
 176         makefile = makefile.replace(key, mk_data[key])
 177     open(destination, "w").write(makefile)
 178
 179 def mkGenerator(project_info):
 180     """
 181     Generates the mk file for the current project.
 182     """
 183     makefile = open(os.path.join(const.DATA_DIR, "mktemplates/template.mk"), "r").read()
 184     prjdir = os.path.abspath(project_info.prjdir)
 185     destination = os.path.join(prjdir, os.path.basename(prjdir) + ".mk")
 186     mk_data = {}
 187     mk_data["$pname"] = project_info.info("PROJECT_NAME")
 188     mk_data["$ppath"] = relpath.relpath(project_info.info("PROJECT_SRC_PATH"), project_info.info("PROJECT_PATH"))
 189     mk_data["$cpuclockfreq"] = project_info.info("SELECTED_FREQ")
 190     cpu_mk_parameters = []
 191     for key, value in project_info.info("CPU_INFOS").items():
 192         if key.startswith(const.MK_PARAM_ID):
 193             cpu_mk_parameters.append("%s = %s" %(key.replace("MK", mk_data["$pname"]), value))
 194     mk_data["$cpuparameters"] = "\n".join(cpu_mk_parameters)
 195     mk_data["$csrc"], mk_data["$pcsrc"], mk_data["$cppasrc"], mk_data["$cxxsrc"], mk_data["$asrc"], mk_data["$constants"] = csrcGenerator(project_info)
 196     mk_data["$prefix"] = replaceSeparators(project_info.info("TOOLCHAIN")["path"].rsplit("gcc", 1)[0])
 197     mk_data["$suffix"] = replaceSeparators(project_info.info("TOOLCHAIN")["path"].rsplit("gcc", 1)[1])
 198     mk_data["$hwpath"] = relpath.relpath(project_info.info("PROJECT_HW_PATH"), project_info.info("PROJECT_PATH"))
 199     for key in mk_data:
 200         makefile = makefile.replace(key, mk_data[key])
 201     open(destination, "w").write(makefile)
 202
 203 def makefileGenerator(project_info):
 204     """
 205     Generate the Makefile for the current project.
 206     """
 207     makefile = open(os.path.join(const.DATA_DIR, "mktemplates/Makefile"), "r").read()
 208     destination = os.path.join(project_info.maindir, "Makefile")
 209     # TODO write a general function that works for both the mk file and the Makefile
 210     mk_data = {}
 211     mk_data["$pname"] = project_info.info("PROJECT_NAME")
 212     mk_data["$ppath"] = relpath.relpath(project_info.info("PROJECT_SRC_PATH"), project_info.info("PROJECT_PATH"))
 213     for key in mk_data:
 214         makefile = makefile.replace(key, mk_data[key])
 215     open(destination, "w").write(makefile)
 216
 217 def csrcGenerator(project_info):
 218     modules = project_info.info("MODULES")
 219     files = project_info.info("FILES")
 220     if "harvard" in project_info.info("CPU_INFOS")["CPU_TAGS"]:
 221         harvard = True
 222     else:
 223         harvard = False
 224     # file to be included in CSRC variable
 225     csrc = []
 226     # file to be included in PCSRC variable
 227     pcsrc = []
 228     # files to be included in CPPASRC variable
 229     cppasrc = []
 230     # files to be included in CXXSRC variable
 231     cxxsrc = []
 232     # files to be included in ASRC variable
 233     asrc = []
 234     # constants to be included at the beginning of the makefile
 235     constants = {}
 236     for module, information in modules.items():
 237         module_files = set([])
 238         dependency_files = set([])
 239         # assembly sources
 240         asm_files = set([])
 241         hwdir = os.path.basename(project_info.info("PROJECT_PATH")) + "/hw"
 242         if information["enabled"]:
 243             if "constants" in information:
 244                 constants.update(information["constants"])
 245             cfiles, sfiles = findModuleFiles(module, project_info)
 246             module_files |= set(cfiles)
 247             asm_files |= set(sfiles)
 248             for file in information["hw"]:
 249                 if file.endswith(".c"):
 250                     module_files |= set([hwdir + "/" + os.path.basename(file)])
 251             for file_dependency in information["depends"] + tuple(files.keys()):
 252                     dependencyCFiles, dependencySFiles = findModuleFiles(file_dependency, project_info)
 253                     dependency_files |= set(dependencyCFiles)
 254                     asm_files |= set(dependencySFiles)
 255             for file in module_files:
 256                 if not harvard or information.get("harvard", "both") == "both":
 257                     csrc.append(file)
 258                 if harvard and "harvard" in information:
 259                     pcsrc.append(file)
 260             for file in dependency_files:
 261                 csrc.append(file)
 262             for file in project_info.info("CPU_INFOS")["C_SRC"]:
 263                 csrc.append(file)
 264             for file in project_info.info("CPU_INFOS")["PC_SRC"]:
 265                 pcsrc.append(file)
 266             for file in asm_files:
 267                 cppasrc.append(file)
 268     for file in project_info.info("CPU_INFOS")["CPPA_SRC"]:
 269         cppasrc.append(file)
 270     for file in project_info.info("CPU_INFOS")["CXX_SRC"]:
 271         cxxsrc.append(file)
 272     for file in project_info.info("CPU_INFOS")["ASRC"]:
 273         asrc.append(file)
 274     csrc = set(csrc)
 275     csrc = " \\\n\t".join(csrc) + " \\"
 276     pcsrc = set(pcsrc)
 277     pcsrc = " \\\n\t".join(pcsrc) + " \\"
 278     cppasrc = set(cppasrc)
 279     cppasrc = " \\\n\t".join(cppasrc) + " \\"
 280     cxxsrc = set(cxxsrc)
 281     cxxsrc = " \\\n\t".join(cxxsrc) + " \\"
 282     asrc = set(asrc)
 283     asrc = " \\\n\t".join(asrc) + " \\"
 284     constants = "\n".join([os.path.basename(project_info.info("PROJECT_PATH")) + "_" + key + " = " + unicode(value) for key, value in constants.items()])
 285     return csrc, pcsrc, cppasrc, cxxsrc, asrc, constants
 286
 287 def findModuleFiles(module, project_info):
 288     # Find the files related to the selected module
 289     cfiles = []
 290     sfiles = []
 291     # .c files related to the module and the cpu architecture
 292     for filename, path in project_info.searchFiles(module + ".c"):
 293         path = path.replace(project_info.info("BERTOS_PATH") + os.sep, "")
 294         path = replaceSeparators(path)
 295         cfiles.append(path + "/" + filename)
 296     # .s files related to the module and the cpu architecture
 297     for filename, path in project_info.searchFiles(module + ".s") + \
 298             project_info.searchFiles(module + ".S"):
 299         path = path.replace(project_info.info("BERTOS_PATH") + os.sep, "")
 300         path = replaceSeparators(path)
 301         sfiles.append(path + "/" + filename)
 302     # .c and .s files related to the module and the cpu tags
 303     tags = project_info.info("CPU_INFOS")["CPU_TAGS"]
 304
 305     # Awful, but secure check for version
 306     # TODO: split me in a method/function
 307     try:
 308         version_string = bertosVersion(project_info.info("BERTOS_PATH"))
 309         version_list = [int(i) for i in version_string.split()[1].split('.')]
 310     except ValueError:
 311         # If the version file hasn't a valid version number assume it's an older
 312         # project.
 313         version_list = [0, 0]
 314     if version_list < [2, 5]:
 315         # For older versions of BeRTOS add the toolchain to the tags
 316         tags.append(project_info.info("CPU_INFOS")["TOOLCHAIN"])
 317
 318     for tag in tags:
 319         for filename, path in project_info.searchFiles(module + "_" + tag + ".c"):
 320             path = path.replace(project_info.info("BERTOS_PATH") + os.sep, "")
 321             if os.sep != "/":
 322                 path = replaceSeparators(path)
 323             cfiles.append(path + "/" + filename)
 324         for filename, path in project_info.searchFiles(module + "_" + tag + ".s") + \
 325                 project_info.searchFiles(module + "_" + tag + ".S"):
 326             path = path.replace(project_info.info("BERTOS_PATH") + os.sep, "")
 327             path = replaceSeparators(path)
 328             sfiles.append(path + "/" + filename)
 329     return cfiles, sfiles
 330
 331 def replaceSeparators(path):
 332     """
 333     Replace the separators in the given path with unix standard separator.
 334     """
 335     if os.sep != "/":
 336         path = path.replace(os.sep, "/")
 337     return path
 338
 339 def getSystemPath():
 340     path = os.environ["PATH"]
 341     if os.name == "nt":
 342         path = path.split(";")
 343     else:
 344         path = path.split(":")
 345     return path
 346
 347 def findToolchains(path_list):
 348     toolchains = []
 349     for element in path_list:
 350         for toolchain in glob.glob(element+ "/" + const.GCC_NAME):
 351             if not os.path.isdir(toolchain):
 352                 toolchains.append(toolchain)
 353     return list(set(toolchains))
 354
 355 def getToolchainInfo(output):
 356     info = {}
 357     expr = re.compile("Target: .*")
 358     target = expr.findall(output)
 359     if len(target) == 1:
 360         info["target"] = target[0].split("Target: ")[1]
 361     expr = re.compile("gcc version [0-9,.]*")
 362     version = expr.findall(output)
 363     if len(version) == 1:
 364         info["version"] = version[0].split("gcc version ")[1]
 365     expr = re.compile("gcc version [0-9,.]* \(.*\)")
 366     build = expr.findall(output)
 367     if len(build) == 1:
 368         build = build[0].split("gcc version ")[1]
 369         build = build[build.find("(") + 1 : build.find(")")]
 370         info["build"] = build
 371     expr = re.compile("Configured with: .*")
 372     configured = expr.findall(output)
 373     if len(configured) == 1:
 374         info["configured"] = configured[0].split("Configured with: ")[1]
 375     expr = re.compile("Thread model: .*")
 376     thread = expr.findall(output)
 377     if len(thread) == 1:
 378         info["thread"] = thread[0].split("Thread model: ")[1]
 379     return info
 380
 381 def getToolchainName(toolchain_info):
 382     name = "GCC " + toolchain_info["version"] + " - " + toolchain_info["target"].strip()
 383     return name
 384
 385 def getTagSet(cpu_info):
 386     tag_set = set([])
 387     for cpu in cpu_info:
 388         tag_set |= set([cpu["CPU_NAME"]])
 389         tag_set |= set(cpu["CPU_TAGS"])
 390         tag_set |= set([cpu["TOOLCHAIN"]])
 391     return tag_set
 392
 393
 394 def getInfos(definition):
 395     D = {}
 396     D.update(const.CPU_DEF)
 397     def include(filename, dict = D, directory=definition[1]):
 398         execfile(directory + "/" + filename, {}, D)
 399     D["include"] = include
 400     include(definition[0], D)
 401     D["CPU_NAME"] = definition[0].split(".")[0]
 402     D["DEFINITION_PATH"] = definition[1] + "/" + definition[0]
 403     del D["include"]
 404     return D
 405
 406 def getCommentList(string):
 407     comment_list = re.findall(r"/\*{2}\s*([^*]*\*(?:[^/*][^*]*\*+)*)/", string)
 408     comment_list = [re.findall(r"^\s*\* *(.*?)$", comment, re.MULTILINE) for comment in comment_list]
 409     return comment_list
 410
 411 def loadModuleDefinition(first_comment):
 412     to_be_parsed = False
 413     module_definition = {}
 414     for num, line in enumerate(first_comment):
 415         index = line.find("$WIZ$")
 416         if index != -1:
 417             to_be_parsed = True
 418             try:
 419                 exec line[index + len("$WIZ$ "):] in {}, module_definition
 420             except:
 421                 raise ParseError(num, line[index:])
 422         elif line.find("\\brief") != -1:
 423             module_definition["module_description"] = line[line.find("\\brief") + len("\\brief "):]
 424     module_dict = {}
 425     if "module_name" in module_definition:
 426         module_name = module_definition[const.MODULE_DEFINITION["module_name"]]
 427         del module_definition[const.MODULE_DEFINITION["module_name"]]
 428         module_dict[module_name] = {}
 429         if const.MODULE_DEFINITION["module_depends"] in module_definition:
 430             depends = module_definition[const.MODULE_DEFINITION["module_depends"]]
 431             del module_definition[const.MODULE_DEFINITION["module_depends"]]
 432             if type(depends) == str:
 433                 depends = (depends,)
 434             module_dict[module_name]["depends"] = depends
 435         else:
 436             module_dict[module_name]["depends"] = ()
 437         if const.MODULE_DEFINITION["module_configuration"] in module_definition:
 438             module_dict[module_name]["configuration"] = module_definition[const.MODULE_DEFINITION["module_configuration"]]
 439             del module_definition[const.MODULE_DEFINITION["module_configuration"]]
 440         else:
 441             module_dict[module_name]["configuration"] = ""
 442         if "module_description" in module_definition:
 443             module_dict[module_name]["description"] = module_definition["module_description"]
 444             del module_definition["module_description"]
 445         if const.MODULE_DEFINITION["module_harvard"] in module_definition:
 446             harvard = module_definition[const.MODULE_DEFINITION["module_harvard"]]
 447             module_dict[module_name]["harvard"] = harvard
 448             del module_definition[const.MODULE_DEFINITION["module_harvard"]]
 449         if const.MODULE_DEFINITION["module_hw"] in module_definition:
 450             hw = module_definition[const.MODULE_DEFINITION["module_hw"]]
 451             del module_definition[const.MODULE_DEFINITION["module_hw"]]
 452             if type(hw) == str:
 453                 hw = (hw, )
 454             module_dict[module_name]["hw"] = hw
 455         else:
 456             module_dict[module_name]["hw"] = ()
 457         if const.MODULE_DEFINITION["module_supports"] in module_definition:
 458             supports = module_definition[const.MODULE_DEFINITION["module_supports"]]
 459             del module_definition[const.MODULE_DEFINITION["module_supports"]]
 460             module_dict[module_name]["supports"] = supports
 461         module_dict[module_name]["constants"] = module_definition
 462         module_dict[module_name]["enabled"] = False
 463     return to_be_parsed, module_dict
 464
 465 def isSupported(project, module=None, property_id=None):
 466     if not module and property_id:
 467         item = project.info("CONFIGURATIONS")[property_id[0]][property_id[1]]["informations"]
 468     else:
 469         item = project.info("MODULES")[module]
 470     tag_dict = project.info("ALL_CPU_TAGS")
 471     if "supports" in item:
 472         support_string = item["supports"]
 473         supported = {}
 474         try:
 475             exec "supported = " + support_string in tag_dict, supported
 476         except:
 477             raise SupportedException(support_string)
 478         return supported["supported"]
 479     else:
 480         return True
 481
 482 def loadDefineLists(comment_list):
 483     define_list = {}
 484     for comment in comment_list:
 485         for num, line in enumerate(comment):
 486             index = line.find("$WIZ$")
 487             if index != -1:
 488                 try:
 489                     exec line[index + len("$WIZ$ "):] in {}, define_list
 490                 except:
 491                     raise ParseError(num, line[index:])
 492     for key, value in define_list.items():
 493         if type(value) == str:
 494             define_list[key] = (value,)
 495     return define_list
 496
 497 def getDescriptionInformations(comment):
 498     """
 499     Take the doxygen comment and strip the wizard informations, returning the tuple
 500     (comment, wizard_information)
 501     """
 502     brief = ""
 503     description = ""
 504     information = {}
 505     for num, line in enumerate(comment):
 506         index = line.find("$WIZ$")
 507         if index != -1:
 508             if len(brief) == 0:
 509                 brief += line[:index].strip()
 510             else:
 511                 description += " " + line[:index]
 512             try:
 513                 exec line[index + len("$WIZ$ "):] in {}, information
 514             except:
 515                 raise ParseError(num, line[index:])
 516         else:
 517             if len(brief) == 0:
 518                 brief += line.strip()
 519             else:
 520                 description += " " + line
 521                 description = description.strip()
 522     return brief.strip(), description.strip(), information
 523
 524 def getDefinitionBlocks(text):
 525     """
 526     Take a text and return a list of tuple (description, name-value).
 527     """
 528     block = []
 529     block_tmp = re.finditer(r"/\*{2}\s*([^*]*\*(?:[^/*][^*]*\*+)*)/\s*#define\s+((?:[^/]*?/?)+)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE)
 530     for match in block_tmp:
 531         # Only the first element is needed
 532         comment = match.group(1)
 533         define = match.group(2)
 534         start = match.start()
 535         block.append(([re.findall(r"^\s*\* *(.*?)$", line, re.MULTILINE)[0] for line in comment.splitlines()], define, start))
 536     for match in re.finditer(r"/{3}\s*([^<].*?)\s*#define\s+((?:[^/]*?/?)+)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE):
 537         comment = match.group(1)
 538         define = match.group(2)
 539         start = match.start()
 540         block.append(([comment], define, start))
 541     for match in re.finditer(r"#define\s*(.*?)\s*/{3}<\s*(.+?)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE):
 542         comment = match.group(2)
 543         define = match.group(1)
 544         start = match.start()
 545         block.append(([comment], define, start))
 546     return block
 547
 548 def formatParamNameValue(text):
 549     """
 550     Take the given string and return a tuple with the name of the parameter in the first position
 551     and the value in the second.
 552     """
 553     block = re.findall("\s*([^\s]+)\s*(.+?)\s*$", text, re.MULTILINE)
 554     return block[0]
 555
 556 def loadConfigurationInfos(path):
 557     """
 558     Return the module configurations found in the given file as a dict with the
 559     parameter name as key and a dict containig the fields above as value:
 560         "value": the value of the parameter
 561         "description": the description of the parameter
 562         "informations": a dict containig optional informations:
 563             "type": "int" | "boolean" | "enum"
 564             "min": the minimum value for integer parameters
 565             "max": the maximum value for integer parameters
 566             "long": boolean indicating if the num is a long
 567             "unsigned": boolean indicating if the num is an unsigned
 568             "value_list": the name of the enum for enum parameters
 569             "conditional_deps": the list of conditional dependencies for boolean parameters
 570     """
 571     configuration_infos = {}
 572     configuration_infos["paramlist"] = []
 573     for comment, define, start in getDefinitionBlocks(open(path, "r").read()):
 574         name, value = formatParamNameValue(define)
 575         brief, description, informations = getDescriptionInformations(comment)
 576         configuration_infos["paramlist"].append((start, name))
 577         configuration_infos[name] = {}
 578         configuration_infos[name]["value"] = value
 579         configuration_infos[name]["informations"] = informations
 580         if not "type" in configuration_infos[name]["informations"]:
 581             configuration_infos[name]["informations"]["type"] = findParameterType(configuration_infos[name])
 582         if ("type" in configuration_infos[name]["informations"] and
 583                 configuration_infos[name]["informations"]["type"] == "int" and
 584                 configuration_infos[name]["value"].find("L") != -1):
 585             configuration_infos[name]["informations"]["long"] = True
 586             configuration_infos[name]["value"] = configuration_infos[name]["value"].replace("L", "")
 587         if ("type" in configuration_infos[name]["informations"] and
 588                 configuration_infos[name]["informations"]["type"] == "int" and
 589                 configuration_infos[name]["value"].find("U") != -1):
 590             configuration_infos[name]["informations"]["unsigned"] = True
 591             configuration_infos[name]["value"] = configuration_infos[name]["value"].replace("U", "")
 592         if "conditional_deps" in configuration_infos[name]["informations"]:
 593             if (type(configuration_infos[name]["informations"]["conditional_deps"]) == str or
 594                     type(configuration_infos[name]["informations"]["conditional_deps"]) == unicode):
 595                 configuration_infos[name]["informations"]["conditional_deps"] = (configuration_infos[name]["informations"]["conditional_deps"], )
 596             elif type(configuration_infos[name]["informations"]["conditional_deps"]) == tuple:
 597                 pass
 598             else:
 599                 configuration_infos[name]["informations"]["conditional_deps"] = ()
 600         configuration_infos[name]["description"] = description
 601         configuration_infos[name]["brief"] = brief
 602     return configuration_infos
 603
 604 def updateConfigurationValues(def_conf, user_conf):
 605     for param in def_conf["paramlist"]:
 606         if param[1] in user_conf and "value" in user_conf[param[1]]:
 607             def_conf[param[1]]["value"] = user_conf[param[1]]["value"]
 608     return def_conf
 609
 610 def findParameterType(parameter):
 611     if "value_list" in parameter["informations"]:
 612         return "enum"
 613     if "min" in parameter["informations"] or "max" in parameter["informations"] or re.match(r"^\d+U?L?$", parameter["value"]) != None:
 614         return "int"
 615
 616 def sub(string, parameter, value):
 617     """
 618     Substitute the given value at the given parameter define in the given string
 619     """
 620     return re.sub(r"(?P<define>#define\s+" + parameter + r"\s+)([^\s]+)", r"\g<define>" + value, string)
 621
 622 def isInt(informations):
 623     """
 624     Return True if the value is a simple int.
 625     """
 626     if ("long" not in informatios or not informations["long"]) and ("unsigned" not in informations or informations["unsigned"]):
 627         return True
 628     else:
 629         return False
 630
 631 def isLong(informations):
 632     """
 633     Return True if the value is a long.
 634     """
 635     if "long" in informations and informations["long"] and "unsigned" not in informations:
 636         return True
 637     else:
 638         return False
 639
 640 def isUnsigned(informations):
 641     """
 642     Return True if the value is an unsigned.
 643     """
 644     if "unsigned" in informations and informations["unsigned"] and "long" not in informations:
 645         return True
 646     else:
 647         return False
 648
 649 def isUnsignedLong(informations):
 650     """
 651     Return True if the value is an unsigned long.
 652     """
 653     if "unsigned" in informations and "long" in informations and informations["unsigned"] and informations["long"]:
 654         return True
 655     else:
 656         return False
 657
 658 class ParseError(Exception):
 659     def __init__(self, line_number, line):
 660         Exception.__init__(self)
 661         self.line_number = line_number
 662         self.line = line
 663
 664 class SupportedException(Exception):
 665     def __init__(self, support_string):
 666         Exception.__init__(self)
 667         self.support_string = support_string