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