wizard/bertos_utils.py

   1 #!/usr/bin/env python
   2 # encoding: utf-8
   3 #
   4 # Copyright 2008 Develer S.r.l. (http://www.develer.com/)
   5 # All rights reserved.
   6 #
   7 # $Id:$
   8 #
   9 # Author: Lorenzo Berni <duplo@develer.com>
  10 #
  11
  12 import os
  13 import fnmatch
  14 import glob
  15 import re
  16 import shutil
  17 import pickle
  18
  19 import const
  20 from plugins import codelite_project
  21 import DefineException
  22
  23 def isBertosDir(directory):
  24    return os.path.exists(directory + "/VERSION")
  25
  26 def bertosVersion(directory):
  27    return open(directory + "/VERSION").readline().strip()
  28
  29 def createBertosProject(project_info):
  30     directory = project_info.info("PROJECT_PATH")
  31     sources_dir = project_info.info("SOURCES_PATH")
  32     if not os.path.isdir(directory):
  33         os.mkdir(directory)
  34     f = open(directory + "/project.bertos", "w")
  35     f.write(pickle.dumps(project_info))
  36     f.close()
  37     # Destination source dir
  38     srcdir = directory + "/bertos"
  39     shutil.rmtree(srcdir, True)
  40     shutil.copytree(sources_dir + "/bertos", srcdir)
  41     # Destination makefile
  42     makefile = directory + "/Makefile"
  43     if os.path.exists(makefile):
  44         os.remove(makefile)
  45     makefile = open("mktemplates/Makefile").read()
  46     makefile = makefileGenerator(project_info, makefile)
  47     open(directory + "/Makefile", "w").write(makefile)
  48     # Destination project dir
  49     prjdir = directory + "/" + os.path.basename(directory)
  50     shutil.rmtree(prjdir, True)
  51     os.mkdir(prjdir)
  52     # Destination configurations files
  53     cfgdir = prjdir + "/cfg"
  54     shutil.rmtree(cfgdir, True)
  55     os.mkdir(cfgdir)
  56     # Set to 1 the autoenabled for enabled modules
  57     for module, information in project_info.info("MODULES").items():
  58         if information["enabled"] and "configuration" in information and information["configuration"] != "":
  59             configurations = project_info.info("CONFIGURATIONS")
  60             configuration = configurations[information["configuration"]]
  61             for start, parameter in configuration["paramlist"]:
  62                 if "type" in configuration[parameter] and configuration[parameter]["type"] == "autoenabled":
  63                     configuration[parameter]["value"] = "1"
  64             project_info.setInfo("CONFIGURATIONS", configurations)
  65     # Copy all the configuration files
  66     for configuration, information in project_info.info("CONFIGURATIONS").items():
  67         string = open(sources_dir + "/" + configuration, "r").read()
  68         for start, parameter in information["paramlist"]:
  69             infos = information[parameter]
  70             value = infos["value"]
  71             if "unsigned" in infos["informations"].keys() and infos["informations"]["unsigned"]:
  72                 value += "U"
  73             if "long" in infos["informations"].keys() and infos["informations"]["long"]:
  74                 value += "L"
  75             string = sub(string, parameter, value)
  76         f = open(cfgdir + "/" + os.path.basename(configuration), "w")
  77         f.write(string)
  78         f.close()
  79     # Destinatio mk file
  80     makefile = open("mktemplates/template.mk", "r").read()
  81     makefile = mkGenerator(project_info, makefile)
  82     open(prjdir + "/" + os.path.basename(prjdir) + ".mk", "w").write(makefile)
  83     # Destination main.c file
  84     main = open("srctemplates/main.c", "r").read()
  85     open(prjdir + "/main.c", "w").write(main)
  86     # Codelite project files
  87     if "codelite" in project_info.info("OUTPUT"):
  88         codelite_project.createProject(project_info)
  89
  90 def mkGenerator(project_info, makefile):
  91     """
  92     Generates the mk file for the current project.
  93     """
  94     mk_data = {}
  95     mk_data["$pname"] = os.path.basename(project_info.info("PROJECT_PATH"))
  96     mk_data["$cpuflag"] = project_info.info("CPU_INFOS")["CPU_FLAG_NAME"]
  97     mk_data["$cpuname"] = project_info.info("CPU_INFOS")["CORE_CPU"]
  98     mk_data["$cpuclockfreq"] = project_info.info("SELECTED_FREQ")
  99     mk_data["$cflags"] = " ".join(project_info.info("CPU_INFOS")["C_FLAGS"])
 100     mk_data["$ldflags"] = " ".join(project_info.info("CPU_INFOS")["LD_FLAGS"])
 101     mk_data["$cppflags"] = " ".join(project_info.info("CPU_INFOS")["CPP_FLAGS"])
 102     mk_data["$cppaflags"] = " ".join(project_info.info("CPU_INFOS")["CPPA_FLAGS"])
 103     mk_data["$cxxflags"] = " ".join(project_info.info("CPU_INFOS")["CXX_FLAGS"])
 104     mk_data["$asflags"] = " ".join(project_info.info("CPU_INFOS")["AS_FLAGS"])
 105     mk_data["$arflags"] = " ".join(project_info.info("CPU_INFOS")["AR_FLAGS"])
 106     mk_data["$csrc"], mk_data["$pcsrc"], mk_data["$cppasrc"], mk_data["$cxxsrc"], mk_data["$asrc"], mk_data["$constants"] = csrcGenerator(project_info)
 107     mk_data["$prefix"] = project_info.info("TOOLCHAIN")["path"].split("gcc")[0]
 108     mk_data["$suffix"] = project_info.info("TOOLCHAIN")["path"].split("gcc")[1]
 109     mk_data["$main"] = os.path.basename(project_info.info("PROJECT_PATH")) + "/main.c"
 110     for key in mk_data:
 111         while makefile.find(key) != -1:
 112             makefile = makefile.replace(key, mk_data[key])
 113     return makefile
 114
 115 def makefileGenerator(project_info, makefile):
 116     """
 117     Generate the Makefile for the current project.
 118     """
 119     # TODO write a general function that works for both the mk file and the Makefile
 120     while makefile.find("project_name") != -1:
 121         makefile = makefile.replace("project_name", os.path.basename(project_info.info("PROJECT_PATH")))
 122     return makefile
 123
 124 def csrcGenerator(project_info):
 125     modules = project_info.info("MODULES")
 126     files = project_info.info("FILES")
 127     if "harvard" in project_info.info("CPU_INFOS")["CPU_TAGS"]:
 128         harvard = True
 129     else:
 130         harvard = False
 131     # file to be included in CSRC variable
 132     csrc = []
 133     # file to be included in PCSRC variable
 134     pcsrc = []
 135     # files to be included in CPPASRC variable
 136     cppasrc = []
 137     # files to be included in CXXSRC variable
 138     cxxsrc = []
 139     # files to be included in ASRC variable
 140     asrc = []
 141     # constants to be included at the beginning of the makefile
 142     constants = {}
 143     for module, information in modules.items():
 144         module_files = set([])
 145         dependency_files = set([])
 146         # assembly sources
 147         asm_files = set([])
 148         if information["enabled"]:
 149             if "constants" in information:
 150                 constants.update(information["constants"])
 151             cfiles, sfiles = findModuleFiles(module, project_info)
 152             module_files |= set(cfiles)
 153             asm_files |= set(sfiles)
 154             for file_dependency in information["depends"]:
 155                 if file_dependency in files:
 156                     dependencyCFiles, dependencySFiles = findModuleFiles(file_dependency, project_info)
 157                     dependency_files |= set(dependencyCFiles)
 158                     asm_files |= set(dependencySFiles)
 159             for file in module_files:
 160                 if not harvard or "harvard" not in information or information["harvard"] == "both":
 161                     csrc.append(file)
 162                 if harvard and "harvard" in information:
 163                     pcsrc.append(file)
 164             for file in dependency_files:
 165                 csrc.append(file)
 166             for file in project_info.info("CPU_INFOS")["C_SRC"]:
 167                 csrc.append(file)
 168             for file in project_info.info("CPU_INFOS")["PC_SRC"]:
 169                 pcsrc.append(file)
 170             for file in asm_files:
 171                 cppasrc.append(file)
 172     for file in project_info.info("CPU_INFOS")["CPPA_SRC"]:
 173         cppasrc.append(file)
 174     for file in project_info.info("CPU_INFOS")["CXX_SRC"]:
 175         cxxsrc.append(file)
 176     for file in project_info.info("CPU_INFOS")["ASRC"]:
 177         asrc.append(file)
 178     csrc = " \\\n\t".join(csrc) + " \\"
 179     pcsrc = " \\\n\t".join(pcsrc) + " \\"
 180     cppasrc = " \\\n\t".join(cppasrc) + " \\"
 181     cxxsrc = " \\\n\t".join(cxxsrc) + " \\"
 182     asrc = " \\\n\t".join(asrc) + " \\"
 183     constants = "\n".join([os.path.basename(project_info.info("PROJECT_PATH")) + "_" + key + " = " + str(value) for key, value in constants.items()])
 184     return csrc, pcsrc, cppasrc, cxxsrc, asrc, constants
 185
 186 def findModuleFiles(module, project_info):
 187     # Find the files related to the selected module
 188     cfiles = []
 189     sfiles = []
 190     # .c files related to the module and the cpu architecture
 191     for filename, path in findDefinitions(module + ".c", project_info) + \
 192             findDefinitions(module + "_" + project_info.info("CPU_INFOS")["TOOLCHAIN"] + ".c", project_info):
 193         path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 194         if os.sep != "/":
 195             path = replaceSeparators(path)
 196         cfiles.append(path + "/" + filename)
 197     # .s files related to the module and the cpu architecture
 198     for filename, path in findDefinitions(module + ".s", project_info) + \
 199             findDefinitions(module + "_" + project_info.info("CPU_INFOS")["TOOLCHAIN"] + ".s", project_info) + \
 200             findDefinitions(module + ".S", project_info) + \
 201             findDefinitions(module + "_" + project_info.info("CPU_INFOS")["TOOLCHAIN"] + ".S", project_info):
 202         path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 203         if os.sep != "/":
 204             path = replaceSeparators(path)
 205         sfiles.append(path + "/" + filename)
 206     # .c and .s files related to the module and the cpu tags
 207     for tag in project_info.info("CPU_INFOS")["CPU_TAGS"]:
 208         for filename, path in findDefinitions(module + "_" + tag + ".c", project_info):
 209             path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 210             if os.sep != "/":
 211                 path = replaceSeparators(path)
 212             cfiles.append(path + "/" + filename)
 213         for filename, path in findDefinitions(module + "_" + tag + ".s", project_info) + \
 214                 findDefinitions(module + "_" + tag + ".S", project_info):
 215             path = path.replace(project_info.info("SOURCES_PATH") + os.sep, "")
 216             if os.sep != "/":
 217                 path = replaceSeparators(path)
 218             sfiles.append(path + "/" + filename)
 219     return cfiles, sfiles
 220
 221 def replaceSeparators(path):
 222     """
 223     Replace the separators in the given path with unix standard separator.
 224     """
 225     while path.find(os.sep) != -1:
 226         path = path.replace(os.sep, "/")
 227     return path
 228
 229 def getSystemPath():
 230     path = os.environ["PATH"]
 231     if os.name == "nt":
 232         path = path.split(";")
 233     else:
 234         path = path.split(":")
 235     return path
 236
 237 def findToolchains(path_list):
 238     toolchains = []
 239     for element in path_list:
 240         for toolchain in glob.glob(element+ "/" + const.GCC_NAME):
 241             toolchains.append(toolchain)
 242     return list(set(toolchains))
 243
 244 def getToolchainInfo(output):
 245     info = {}
 246     expr = re.compile("Target: .*")
 247     target = expr.findall(output)
 248     if len(target) == 1:
 249         info["target"] = target[0].split("Target: ")[1]
 250     expr = re.compile("gcc version [0-9,.]*")
 251     version = expr.findall(output)
 252     if len(version) == 1:
 253         info["version"] = version[0].split("gcc version ")[1]
 254     expr = re.compile("gcc version [0-9,.]* \(.*\)")
 255     build = expr.findall(output)
 256     if len(build) == 1:
 257         build = build[0].split("gcc version ")[1]
 258         build = build[build.find("(") + 1 : build.find(")")]
 259         info["build"] = build
 260     expr = re.compile("Configured with: .*")
 261     configured = expr.findall(output)
 262     if len(configured) == 1:
 263         info["configured"] = configured[0].split("Configured with: ")[1]
 264     expr = re.compile("Thread model: .*")
 265     thread = expr.findall(output)
 266     if len(thread) == 1:
 267         info["thread"] = thread[0].split("Thread model: ")[1]
 268     return info
 269
 270 def loadSourceTree(project):
 271     fileList = [f for f in os.walk(project.info("SOURCES_PATH"))]
 272     project.setInfo("FILE_LIST", fileList)
 273
 274 def findDefinitions(ftype, project):
 275     L = project.info("FILE_LIST")
 276     definitions = []
 277     for element in L:
 278         for filename in element[2]:
 279             if fnmatch.fnmatch(filename, ftype):
 280                 definitions.append((filename, element[0]))
 281     return definitions
 282
 283 def loadCpuInfos(project):
 284     cpuInfos = []
 285     for definition in findDefinitions(const.CPU_DEFINITION, project):
 286         cpuInfos.append(getInfos(definition))
 287     return cpuInfos
 288
 289 def getInfos(definition):
 290     D = {}
 291     D.update(const.CPU_DEF)
 292     def include(filename, dict = D, directory=definition[1]):
 293         execfile(directory + "/" + filename, {}, D)
 294     D["include"] = include
 295     include(definition[0], D)
 296     D["CPU_NAME"] = definition[0].split(".")[0]
 297     D["DEFINITION_PATH"] = definition[1] + "/" + definition[0]
 298     del D["include"]
 299     return D
 300
 301 def getCommentList(string):
 302     comment_list = re.findall(r"/\*{2}\s*([^*]*\*(?:[^/*][^*]*\*+)*)/", string)
 303     comment_list = [re.findall(r"^\s*\* *(.*?)$", comment, re.MULTILINE) for comment in comment_list]
 304     return comment_list
 305
 306 def loadModuleDefinition(first_comment):
 307     to_be_parsed = False
 308     module_definition = {}
 309     for num, line in enumerate(first_comment):
 310         index = line.find("$WIZ$")
 311         if index != -1:
 312             to_be_parsed = True
 313             try:
 314                 exec line[index + len("$WIZ$ "):] in {}, module_definition
 315             except:
 316                 raise ParseError(num, line[index:])
 317         elif line.find("\\brief") != -1:
 318             module_definition["module_description"] = line[line.find("\\brief") + len("\\brief "):]
 319     module_dict = {}
 320     if "module_name" in module_definition.keys():
 321         module_name = module_definition[const.MODULE_DEFINITION["module_name"]]
 322         del module_definition[const.MODULE_DEFINITION["module_name"]]
 323         module_dict[module_name] = {}
 324         if const.MODULE_DEFINITION["module_depends"] in module_definition.keys():
 325             if type(module_definition[const.MODULE_DEFINITION["module_depends"]]) == str:
 326                 module_definition[const.MODULE_DEFINITION["module_depends"]] = (module_definition[const.MODULE_DEFINITION["module_depends"]],)
 327             module_dict[module_name]["depends"] = module_definition[const.MODULE_DEFINITION["module_depends"]]
 328             del module_definition[const.MODULE_DEFINITION["module_depends"]]
 329         else:
 330             module_dict[module_name]["depends"] = ()
 331         if const.MODULE_DEFINITION["module_configuration"] in module_definition.keys():
 332             module_dict[module_name]["configuration"] = module_definition[const.MODULE_DEFINITION["module_configuration"]]
 333             del module_definition[const.MODULE_DEFINITION["module_configuration"]]
 334         else:
 335             module_dict[module_name]["configuration"] = ""
 336         if "module_description" in module_definition.keys():
 337             module_dict[module_name]["description"] = module_definition["module_description"]
 338             del module_definition["module_description"]
 339         if const.MODULE_DEFINITION["module_harvard"] in module_definition.keys():
 340             harvard = module_definition[const.MODULE_DEFINITION["module_harvard"]]
 341             if harvard == "both" or harvard == "pgm_memory":
 342                 module_dict[module_name]["harvard"] = harvard
 343             del module_definition[const.MODULE_DEFINITION["module_harvard"]]
 344         module_dict[module_name]["constants"] = module_definition
 345         module_dict[module_name]["enabled"] = False
 346     return to_be_parsed, module_dict
 347
 348 def loadDefineLists(comment_list):
 349     define_list = {}
 350     for comment in comment_list:
 351         for num, line in enumerate(comment):
 352             index = line.find("$WIZ$")
 353             if index != -1:
 354                 try:
 355                     exec line[index + len("$WIZ$ "):] in {}, define_list
 356                 except:
 357                     raise ParseError(num, line[index:])
 358     for key, value in define_list.items():
 359         if type(value) == str:
 360             define_list[key] = (value,)
 361     return define_list
 362
 363 def getDescriptionInformations(comment):
 364     """
 365     Take the doxygen comment and strip the wizard informations, returning the tuple
 366     (comment, wizard_information)
 367     """
 368     brief = ""
 369     description = ""
 370     information = {}
 371     for num, line in enumerate(comment):
 372         index = line.find("$WIZ$")
 373         if index != -1:
 374             if len(brief) == 0:
 375                 brief += line[:index].strip()
 376             else:
 377                 description += " " + line[:index]
 378             try:
 379                 exec line[index + len("$WIZ$ "):] in {}, information
 380             except:
 381                 raise ParseError(num, line[index:])
 382         else:
 383             if len(brief) == 0:
 384                 brief += line.strip()
 385             else:
 386                 description += " " + line
 387                 description = description.strip()
 388     return brief.strip(), description.strip(), information
 389
 390 def getDefinitionBlocks(text):
 391     """
 392     Take a text and return a list of tuple (description, name-value).
 393     """
 394     block = []
 395     block_tmp = re.finditer(r"/\*{2}\s*([^*]*\*(?:[^/*][^*]*\*+)*)/\s*#define\s+((?:[^/]*?/?)+)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE)
 396     for match in block_tmp:
 397         # Only the first element is needed
 398         comment = match.group(1)
 399         define = match.group(2)
 400         start = match.start()
 401         block.append(([re.findall(r"^\s*\* *(.*?)$", line, re.MULTILINE)[0] for line in comment.splitlines()], define, start))
 402     for match in re.finditer(r"/{3}\s*([^<].*?)\s*#define\s+((?:[^/]*?/?)+)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE):
 403         comment = match.group(1)
 404         define = match.group(2)
 405         start = match.start()
 406         block.append(([comment], define, start))
 407     for match in re.finditer(r"#define\s*(.*?)\s*/{3}<\s*(.+?)\s*?(?:/{2,3}[^<].*?)?$", text, re.MULTILINE):
 408         comment = match.group(2)
 409         define = match.group(1)
 410         start = match.start()
 411         block.append(([comment], define, start))
 412     return block
 413
 414 def loadModuleData(project):
 415     module_info_dict = {}
 416     list_info_dict = {}
 417     configuration_info_dict = {}
 418     file_dict = {}
 419     for filename, path in findDefinitions("*.h", project) + findDefinitions("*.c", project) + findDefinitions("*.s", project) + findDefinitions("*.S", project):
 420         comment_list = getCommentList(open(path + "/" + filename, "r").read())
 421         if len(comment_list) > 0:
 422             module_info = {}
 423             configuration_info = {}
 424             try:
 425                 to_be_parsed, module_dict = loadModuleDefinition(comment_list[0])
 426             except ParseError, err:
 427                 raise DefineException.ModuleDefineException(path, err.line_number, err.line)
 428             for module, information in module_dict.items():
 429                 if "depends" not in information:
 430                     information["depends"] = ()
 431                 information["depends"] += (filename.split(".")[0],)
 432                 information["category"] = os.path.basename(path)
 433                 if "configuration" in information.keys() and len(information["configuration"]):
 434                     configuration = module_dict[module]["configuration"]
 435                     try:
 436                         configuration_info[configuration] = loadConfigurationInfos(project.info("SOURCES_PATH") + "/" + configuration)
 437                     except ParseError, err:
 438                         raise DefineException.ConfigurationDefineException(project.info("SOURCES_PATH") + "/" + configuration, err.line_number, err.line)
 439             module_info_dict.update(module_dict)
 440             configuration_info_dict.update(configuration_info)
 441             if to_be_parsed:
 442                 try:
 443                     list_dict = loadDefineLists(comment_list[1:])
 444                     list_info_dict.update(list_dict)
 445                 except ParseError, err:
 446                     raise DefineException.EnumDefineException(path, err.line_number, err.line)
 447     for filename, path in findDefinitions("*_" + project.info("CPU_INFOS")["TOOLCHAIN"] + ".h", project):
 448         comment_list = getCommentList(open(path + "/" + filename, "r").read())
 449         list_info_dict.update(loadDefineLists(comment_list))
 450     for tag in project.info("CPU_INFOS")["CPU_TAGS"]:
 451         for filename, path in findDefinitions("*_" + tag + ".h", project):
 452             comment_list = getCommentList(open(path + "/" + filename, "r").read())
 453             list_info_dict.update(loadDefineLists(comment_list))
 454     project.setInfo("MODULES", module_info_dict)
 455     project.setInfo("LISTS", list_info_dict)
 456     project.setInfo("CONFIGURATIONS", configuration_info_dict)
 457     project.setInfo("FILES", file_dict)
 458
 459 def formatParamNameValue(text):
 460     """
 461     Take the given string and return a tuple with the name of the parameter in the first position
 462     and the value in the second.
 463     """
 464     block = re.findall("\s*([^\s]+)\s*(.+?)\s*$", text, re.MULTILINE)
 465     return block[0]
 466
 467 def loadConfigurationInfos(path):
 468     """
 469     Return the module configurations found in the given file as a dict with the
 470     parameter name as key and a dict containig the fields above as value:
 471         "value": the value of the parameter
 472         "description": the description of the parameter
 473         "informations": a dict containig optional informations:
 474             "type": "int" | "boolean" | "enum"
 475             "min": the minimum value for integer parameters
 476             "max": the maximum value for integer parameters
 477             "long": boolean indicating if the num is a long
 478             "unsigned": boolean indicating if the num is an unsigned
 479             "value_list": the name of the enum for enum parameters
 480     """
 481     configuration_infos = {}
 482     configuration_infos["paramlist"] = []
 483     for comment, define, start in getDefinitionBlocks(open(path, "r").read()):
 484         name, value = formatParamNameValue(define)
 485         brief, description, informations = getDescriptionInformations(comment)
 486         configuration_infos["paramlist"].append((start, name))
 487         configuration_infos[name] = {}
 488         configuration_infos[name]["value"] = value
 489         configuration_infos[name]["informations"] = informations
 490         if not "type" in configuration_infos[name]["informations"]:
 491             configuration_infos[name]["informations"]["type"] = findParameterType(configuration_infos[name])
 492         if ("type" in configuration_infos[name]["informations"].keys() and
 493                 configuration_infos[name]["informations"]["type"] == "int" and
 494                 configuration_infos[name]["value"].find("L") != -1):
 495             configuration_infos[name]["informations"]["long"] = True
 496             configuration_infos[name]["value"] = configuration_infos[name]["value"].replace("L", "")
 497         if ("type" in configuration_infos[name]["informations"].keys() and
 498                 configuration_infos[name]["informations"]["type"] == "int" and
 499                 configuration_infos[name]["value"].find("U") != -1):
 500             configuration_infos[name]["informations"]["unsigned"] = True
 501             configuration_infos[name]["value"] = configuration_infos[name]["value"].replace("U", "")
 502         configuration_infos[name]["description"] = description
 503         configuration_infos[name]["brief"] = brief
 504     return configuration_infos
 505
 506 def findParameterType(parameter):
 507     if "value_list" in parameter["informations"]:
 508         return "enum"
 509     if "min" in parameter["informations"] or "max" in parameter["informations"] or re.match(r"^\d+U?L?$", parameter["value"]) != None:
 510         return "int"
 511
 512 def sub(string, parameter, value):
 513     """
 514     Substitute the given value at the given parameter define in the given string
 515     """
 516     return re.sub(r"(?P<define>#define\s+" + parameter + r"\s+)([^\s]+)", r"\g<define>" + value, string)
 517
 518 def isInt(informations):
 519     """
 520     Return True if the value is a simple int.
 521     """
 522     if ("long" not in informatios.keys() or not informations["long"]) and ("unsigned" not in informations.keys() or informations["unsigned"]):
 523         return True
 524     else:
 525         return False
 526
 527 def isLong(informations):
 528     """
 529     Return True if the value is a long.
 530     """
 531     if "long" in informations.keys() and informations["long"] and "unsigned" not in informations.keys():
 532         return True
 533     else:
 534         return False
 535
 536 def isUnsigned(informations):
 537     """
 538     Return True if the value is an unsigned.
 539     """
 540     if "unsigned" in informations.keys() and informations["unsigned"] and "long" not in informations.keys():
 541         return True
 542     else:
 543         return False
 544
 545 def isUnsignedLong(informations):
 546     """
 547     Return True if the value is an unsigned long.
 548     """
 549     if "unsigned" in informations.keys() and "long" in informations.keys() and informations["unsigned"] and informations["long"]:
 550         return True
 551     else:
 552         return False
 553
 554 class ParseError(Exception):
 555     def __init__(self, line_number, line):
 556         Exception.__init__(self)
 557         self.line_number = line_number
 558         self.line = line