BaseTools/Source/Python/AutoGen/BuildEngine.py

   1 ## @file
   2 # The engine for building files
   3 #
   4 # Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
   5 # This program and the accompanying materials
   6 # are licensed and made available under the terms and conditions of the BSD License
   7 # which accompanies this distribution.  The full text of the license may be found at
   8 # http://opensource.org/licenses/bsd-license.php
   9 #
  10 # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12 #
  13
  14 ##
  15 # Import Modules
  16 #
  17 import os
  18 import re
  19 import copy
  20 import string
  21
  22 from Common.GlobalData import *
  23 from Common.BuildToolError import *
  24 from Common.Misc import tdict, PathClass
  25 from Common.String import NormPath
  26 from Common.DataType import *
  27
  28 import Common.EdkLogger as EdkLogger
  29
  30 ## Convert file type to file list macro name
  31 #
  32 #   @param      FileType    The name of file type
  33 #
  34 #   @retval     string      The name of macro
  35 #
  36 def FileListMacro(FileType):
  37     return "%sS" % FileType.replace("-", "_").upper()
  38
  39 ## Convert file type to list file macro name
  40 #
  41 #   @param      FileType    The name of file type
  42 #
  43 #   @retval     string      The name of macro
  44 #
  45 def ListFileMacro(FileType):
  46     return "%s_LIST" % FileListMacro(FileType)
  47
  48 class TargetDescBlock(object):
  49     _Cache_ = {}    # {TargetFile : TargetDescBlock object}
  50
  51     # Factory method
  52     def __new__(Class, Inputs, Outputs, Commands, Dependencies):
  53         if Outputs[0] in Class._Cache_:
  54             Tdb = Class._Cache_[Outputs[0]]
  55             for File in Inputs:
  56                 Tdb.AddInput(File)
  57         else:
  58             Tdb = super(TargetDescBlock, Class).__new__(Class)
  59             Tdb._Init(Inputs, Outputs, Commands, Dependencies)
  60             #Class._Cache_[Outputs[0]] = Tdb
  61         return Tdb
  62
  63     def _Init(self, Inputs, Outputs, Commands, Dependencies):
  64         self.Inputs = Inputs
  65         self.Outputs = Outputs
  66         self.Commands = Commands
  67         self.Dependencies = Dependencies
  68         if self.Outputs:
  69             self.Target = self.Outputs[0]
  70         else:
  71             self.Target = None
  72
  73     def __str__(self):
  74         return self.Target.Path
  75
  76     def __hash__(self):
  77         return hash(self.Target.Path)
  78
  79     def __eq__(self, Other):
  80         if type(Other) == type(self):
  81             return Other.Target.Path == self.Target.Path
  82         else:
  83             return str(Other) == self.Target.Path
  84
  85     def AddInput(self, Input):
  86         if Input not in self.Inputs:
  87             self.Inputs.append(Input)
  88
  89     def IsMultipleInput(self):
  90         return len(self.Inputs) > 1
  91
  92     @staticmethod
  93     def Renew():
  94         TargetDescBlock._Cache_ = {}
  95
  96 ## Class for one build rule
  97 #
  98 # This represents a build rule which can give out corresponding command list for
  99 # building the given source file(s). The result can be used for generating the
 100 # target for makefile.
 101 #
 102 class FileBuildRule:
 103     INC_LIST_MACRO = "INC_LIST"
 104     INC_MACRO = "INC"
 105
 106     ## constructor
 107     #
 108     #   @param  Input       The dictionary represeting input file(s) for a rule
 109     #   @param  Output      The list represeting output file(s) for a rule
 110     #   @param  Command     The list containing commands to generate the output from input
 111     #
 112     def __init__(self, Type, Input, Output, Command, ExtraDependency=None):
 113         # The Input should not be empty
 114         if not Input:
 115             Input = []
 116         if not Output:
 117             Output = []
 118         if not Command:
 119             Command = []
 120
 121         self.FileListMacro = FileListMacro(Type)
 122         self.ListFileMacro = ListFileMacro(Type)
 123         self.IncListFileMacro = self.INC_LIST_MACRO
 124
 125         self.SourceFileType = Type
 126         # source files listed not in "*" or "?" pattern format
 127         if not ExtraDependency:
 128             self.ExtraSourceFileList = []
 129         else:
 130             self.ExtraSourceFileList = ExtraDependency
 131
 132         #
 133         # Search macros used in command lines for <FILE_TYPE>_LIST and INC_LIST.
 134         # If found, generate a file to keep the input files used to get over the
 135         # limitation of command line length
 136         #
 137         self.MacroList = []
 138         self.CommandList = []
 139         for CmdLine in Command:
 140             self.MacroList.extend(gMacroRefPattern.findall(CmdLine))
 141             # replace path separator with native one
 142             self.CommandList.append(CmdLine)
 143
 144         # Indicate what should be generated
 145         if self.FileListMacro in self.MacroList:
 146             self.GenFileListMacro = True
 147         else:
 148             self.GenFileListMacro = False
 149
 150         if self.ListFileMacro in self.MacroList:
 151             self.GenListFile = True
 152             self.GenFileListMacro = True
 153         else:
 154             self.GenListFile = False
 155
 156         if self.INC_LIST_MACRO in self.MacroList:
 157             self.GenIncListFile = True
 158         else:
 159             self.GenIncListFile = False
 160
 161         # Check input files
 162         self.IsMultipleInput = False
 163         self.SourceFileExtList = []
 164         for File in Input:
 165             Base, Ext = os.path.splitext(File)
 166             if Base.find("*") >= 0:
 167                 # There's "*" in the file name
 168                 self.IsMultipleInput = True
 169                 self.GenFileListMacro = True
 170             elif Base.find("?") < 0:
 171                 # There's no "*" and "?" in file name
 172                 self.ExtraSourceFileList.append(File)
 173                 continue
 174             if Ext not in self.SourceFileExtList:
 175                 self.SourceFileExtList.append(Ext)
 176
 177         # Check output files
 178         self.DestFileList = []
 179         for File in Output:
 180             self.DestFileList.append(File)
 181
 182         # All build targets generated by this rule for a module
 183         self.BuildTargets = {}
 184
 185     ## str() function support
 186     #
 187     #   @retval     string
 188     #
 189     def __str__(self):
 190         SourceString = ""
 191         SourceString += " %s %s %s" % (self.SourceFileType, " ".join(self.SourceFileExtList), self.ExtraSourceFileList)
 192         DestString = ", ".join(self.DestFileList)
 193         CommandString = "\n\t".join(self.CommandList)
 194         return "%s : %s\n\t%s" % (DestString, SourceString, CommandString)
 195
 196     ## Check if given file extension is supported by this rule
 197     #
 198     #   @param  FileExt     The extension of a file
 199     #
 200     #   @retval True        If the extension is supported
 201     #   @retval False       If the extension is not supported
 202     #
 203     def IsSupported(self, FileExt):
 204         return FileExt in self.SourceFileExtList
 205
 206     def Instantiate(self, Macros={}):
 207         NewRuleObject = copy.copy(self)
 208         NewRuleObject.BuildTargets = {}
 209         NewRuleObject.DestFileList = []
 210         for File in self.DestFileList:
 211             NewRuleObject.DestFileList.append(PathClass(NormPath(File, Macros)))
 212         return NewRuleObject
 213
 214     ## Apply the rule to given source file(s)
 215     #
 216     #   @param  SourceFile      One file or a list of files to be built
 217     #   @param  RelativeToDir   The relative path of the source file
 218     #   @param  PathSeparator   Path separator
 219     #
 220     #   @retval     tuple       (Source file in full path, List of individual sourcefiles, Destionation file, List of build commands)
 221     #
 222     def Apply(self, SourceFile):
 223         if not self.CommandList or not self.DestFileList:
 224             return None
 225
 226         # source file
 227         if self.IsMultipleInput:
 228             SrcFileName = ""
 229             SrcFileBase = ""
 230             SrcFileExt = ""
 231             SrcFileDir = ""
 232             SrcPath = ""
 233             # SourceFile must be a list
 234             SrcFile = "$(%s)" % self.FileListMacro
 235         else:
 236             SrcFileName, SrcFileBase, SrcFileExt = SourceFile.Name, SourceFile.BaseName, SourceFile.Ext
 237             if SourceFile.Root:
 238                 SrcFileDir = SourceFile.SubDir
 239                 if SrcFileDir == "":
 240                     SrcFileDir = "."
 241             else:
 242                 SrcFileDir = "."
 243             SrcFile = SourceFile.Path
 244             SrcPath = SourceFile.Dir
 245
 246         # destination file (the first one)
 247         if self.DestFileList:
 248             DestFile = self.DestFileList[0].Path
 249             DestPath = self.DestFileList[0].Dir
 250             DestFileName = self.DestFileList[0].Name
 251             DestFileBase, DestFileExt = self.DestFileList[0].BaseName, self.DestFileList[0].Ext
 252         else:
 253             DestFile = ""
 254             DestPath = ""
 255             DestFileName = ""
 256             DestFileBase = ""
 257             DestFileExt = ""
 258
 259         BuildRulePlaceholderDict = {
 260             # source file
 261             "src"       :   SrcFile,
 262             "s_path"    :   SrcPath,
 263             "s_dir"     :   SrcFileDir,
 264             "s_name"    :   SrcFileName,
 265             "s_base"    :   SrcFileBase,
 266             "s_ext"     :   SrcFileExt,
 267             # destination file
 268             "dst"       :   DestFile,
 269             "d_path"    :   DestPath,
 270             "d_name"    :   DestFileName,
 271             "d_base"    :   DestFileBase,
 272             "d_ext"     :   DestFileExt,
 273         }
 274
 275         DstFile = []
 276         for File in self.DestFileList:
 277             File = string.Template(str(File)).safe_substitute(BuildRulePlaceholderDict)
 278             File = string.Template(str(File)).safe_substitute(BuildRulePlaceholderDict)
 279             DstFile.append(PathClass(File, IsBinary=True))
 280
 281         if DstFile[0] in self.BuildTargets:
 282             TargetDesc = self.BuildTargets[DstFile[0]]
 283             TargetDesc.AddInput(SourceFile)
 284         else:
 285             CommandList = []
 286             for CommandString in self.CommandList:
 287                 CommandString = string.Template(CommandString).safe_substitute(BuildRulePlaceholderDict)
 288                 CommandString = string.Template(CommandString).safe_substitute(BuildRulePlaceholderDict)
 289                 CommandList.append(CommandString)
 290             TargetDesc = TargetDescBlock([SourceFile], DstFile, CommandList, self.ExtraSourceFileList)
 291             TargetDesc.ListFileMacro = self.ListFileMacro
 292             TargetDesc.FileListMacro = self.FileListMacro
 293             TargetDesc.IncListFileMacro = self.IncListFileMacro
 294             TargetDesc.GenFileListMacro = self.GenFileListMacro
 295             TargetDesc.GenListFile = self.GenListFile
 296             TargetDesc.GenIncListFile = self.GenIncListFile
 297             self.BuildTargets[DstFile[0]] = TargetDesc
 298         return TargetDesc
 299
 300 ## Class for build rules
 301 #
 302 # BuildRule class parses rules defined in a file or passed by caller, and converts
 303 # the rule into FileBuildRule object.
 304 #
 305 class BuildRule:
 306     _SectionHeader = "SECTIONHEADER"
 307     _Section = "SECTION"
 308     _SubSectionHeader = "SUBSECTIONHEADER"
 309     _SubSection = "SUBSECTION"
 310     _InputFile = "INPUTFILE"
 311     _OutputFile = "OUTPUTFILE"
 312     _ExtraDependency = "EXTRADEPENDENCY"
 313     _Command = "COMMAND"
 314     _UnknownSection = "UNKNOWNSECTION"
 315
 316     _SubSectionList = [_InputFile, _OutputFile, _Command]
 317
 318     _PATH_SEP = "(+)"
 319     _FileTypePattern = re.compile("^[_a-zA-Z][_\-0-9a-zA-Z]*$")
 320     _BinaryFileRule = FileBuildRule(TAB_DEFAULT_BINARY_FILE, [], [os.path.join("$(OUTPUT_DIR)", "${s_name}")],
 321                                     ["$(CP) ${src} ${dst}"], [])
 322
 323     ## Constructor
 324     #
 325     #   @param  File                The file containing build rules in a well defined format
 326     #   @param  Content             The string list of build rules in a well defined format
 327     #   @param  LineIndex           The line number from which the parsing will begin
 328     #   @param  SupportedFamily     The list of supported tool chain families
 329     #
 330     def __init__(self, File=None, Content=None, LineIndex=0, SupportedFamily=["MSFT", "INTEL", "GCC", "RVCT"]):
 331         self.RuleFile = File
 332         # Read build rules from file if it's not none
 333         if File != None:
 334             try:
 335                 self.RuleContent = open(File, 'r').readlines()
 336             except:
 337                 EdkLogger.error("build", FILE_OPEN_FAILURE, ExtraData=File)
 338         elif Content != None:
 339             self.RuleContent = Content
 340         else:
 341             EdkLogger.error("build", PARAMETER_MISSING, ExtraData="No rule file or string given")
 342
 343         self.SupportedToolChainFamilyList = SupportedFamily
 344         self.RuleDatabase = tdict(True, 4)  # {FileExt, ModuleType, Arch, Family : FileBuildRule object}
 345         self.Ext2FileType = {}  # {ext : file-type}
 346         self.FileTypeList = set()
 347
 348         self._LineIndex = LineIndex
 349         self._State = ""
 350         self._RuleInfo = tdict(True, 2)     # {toolchain family : {"InputFile": {}, "OutputFile" : [], "Command" : []}}
 351         self._FileType = ''
 352         self._BuildTypeList = []
 353         self._ArchList = []
 354         self._FamilyList = []
 355         self._TotalToolChainFamilySet = set()
 356         self._RuleObjectList = [] # FileBuildRule object list
 357         self._FileVersion = ""
 358
 359         self.Parse()
 360
 361         # some intrinsic rules
 362         self.RuleDatabase[TAB_DEFAULT_BINARY_FILE, "COMMON", "COMMON", "COMMON"] = self._BinaryFileRule
 363         self.FileTypeList.add(TAB_DEFAULT_BINARY_FILE)
 364
 365     ## Parse the build rule strings
 366     def Parse(self):
 367         self._State = self._Section
 368         for Index in range(self._LineIndex, len(self.RuleContent)):
 369             # Clean up the line and replace path separator with native one
 370             Line = self.RuleContent[Index].strip().replace(self._PATH_SEP, os.path.sep)
 371             self.RuleContent[Index] = Line
 372
 373             # find the build_rule_version
 374             if Line and Line[0] == "#" and Line.find(TAB_BUILD_RULE_VERSION) <> -1:
 375                 if Line.find("=") <> -1 and Line.find("=") < (len(Line)-1) and (Line[(Line.find("=") + 1):]).split():
 376                     self._FileVersion = (Line[(Line.find("=") + 1):]).split()[0]
 377             # skip empty or comment line
 378             if Line == "" or Line[0] == "#":
 379                 continue
 380
 381             # find out section header, enclosed by []
 382             if Line[0] == '[' and Line[-1] == ']':
 383                 # merge last section information into rule database
 384                 self.EndOfSection()
 385                 self._State = self._SectionHeader
 386             # find out sub-section header, enclosed by <>
 387             elif Line[0] == '<' and Line[-1] == '>':
 388                 if self._State != self._UnknownSection:
 389                     self._State = self._SubSectionHeader
 390
 391             # call section handler to parse each (sub)section
 392             self._StateHandler[self._State](self, Index)
 393         # merge last section information into rule database
 394         self.EndOfSection()
 395
 396     ## Parse definitions under a section
 397     #
 398     #   @param  LineIndex   The line index of build rule text
 399     #
 400     def ParseSection(self, LineIndex):
 401         pass
 402
 403     ## Parse definitions under a subsection
 404     #
 405     #   @param  LineIndex   The line index of build rule text
 406     #
 407     def ParseSubSection(self, LineIndex):
 408         # currenly nothing here
 409         pass
 410
 411     ## Placeholder for not supported sections
 412     #
 413     #   @param  LineIndex   The line index of build rule text
 414     #
 415     def SkipSection(self, LineIndex):
 416         pass
 417
 418     ## Merge section information just got into rule database
 419     def EndOfSection(self):
 420         Database = self.RuleDatabase
 421         # if there's specific toochain family, 'COMMON' doesn't make sense any more
 422         if len(self._TotalToolChainFamilySet) > 1 and 'COMMON' in self._TotalToolChainFamilySet:
 423             self._TotalToolChainFamilySet.remove('COMMON')
 424         for Family in self._TotalToolChainFamilySet:
 425             Input = self._RuleInfo[Family, self._InputFile]
 426             Output = self._RuleInfo[Family, self._OutputFile]
 427             Command = self._RuleInfo[Family, self._Command]
 428             ExtraDependency = self._RuleInfo[Family, self._ExtraDependency]
 429
 430             BuildRule = FileBuildRule(self._FileType, Input, Output, Command, ExtraDependency)
 431             for BuildType in self._BuildTypeList:
 432                 for Arch in self._ArchList:
 433                     Database[self._FileType, BuildType, Arch, Family] = BuildRule
 434                     for FileExt in BuildRule.SourceFileExtList:
 435                         self.Ext2FileType[FileExt] = self._FileType
 436
 437     ## Parse section header
 438     #
 439     #   @param  LineIndex   The line index of build rule text
 440     #
 441     def ParseSectionHeader(self, LineIndex):
 442         self._RuleInfo = tdict(True, 2)
 443         self._BuildTypeList = []
 444         self._ArchList = []
 445         self._FamilyList = []
 446         self._TotalToolChainFamilySet = set()
 447         FileType = ''
 448         RuleNameList = self.RuleContent[LineIndex][1:-1].split(',')
 449         for RuleName in RuleNameList:
 450             Arch = 'COMMON'
 451             BuildType = 'COMMON'
 452             TokenList = [Token.strip().upper() for Token in RuleName.split('.')]
 453             # old format: Build.File-Type
 454             if TokenList[0] == "BUILD":
 455                 if len(TokenList) == 1:
 456                     EdkLogger.error("build", FORMAT_INVALID, "Invalid rule section",
 457                                     File=self.RuleFile, Line=LineIndex+1,
 458                                     ExtraData=self.RuleContent[LineIndex])
 459
 460                 FileType = TokenList[1]
 461                 if FileType == '':
 462                     EdkLogger.error("build", FORMAT_INVALID, "No file type given",
 463                                     File=self.RuleFile, Line=LineIndex+1,
 464                                     ExtraData=self.RuleContent[LineIndex])
 465                 if self._FileTypePattern.match(FileType) == None:
 466                     EdkLogger.error("build", FORMAT_INVALID, File=self.RuleFile, Line=LineIndex+1,
 467                                     ExtraData="Only character, number (non-first character), '_' and '-' are allowed in file type")
 468             # new format: File-Type.Build-Type.Arch
 469             else:
 470                 if FileType == '':
 471                     FileType = TokenList[0]
 472                 elif FileType != TokenList[0]:
 473                     EdkLogger.error("build", FORMAT_INVALID,
 474                                     "Different file types are not allowed in the same rule section",
 475                                     File=self.RuleFile, Line=LineIndex+1,
 476                                     ExtraData=self.RuleContent[LineIndex])
 477                 if len(TokenList) > 1:
 478                     BuildType = TokenList[1]
 479                 if len(TokenList) > 2:
 480                     Arch = TokenList[2]
 481             if BuildType not in self._BuildTypeList:
 482                 self._BuildTypeList.append(BuildType)
 483             if Arch not in self._ArchList:
 484                 self._ArchList.append(Arch)
 485
 486         if 'COMMON' in self._BuildTypeList and len(self._BuildTypeList) > 1:
 487             EdkLogger.error("build", FORMAT_INVALID,
 488                             "Specific build types must not be mixed with common one",
 489                             File=self.RuleFile, Line=LineIndex+1,
 490                             ExtraData=self.RuleContent[LineIndex])
 491         if 'COMMON' in self._ArchList and len(self._ArchList) > 1:
 492             EdkLogger.error("build", FORMAT_INVALID,
 493                             "Specific ARCH must not be mixed with common one",
 494                             File=self.RuleFile, Line=LineIndex+1,
 495                             ExtraData=self.RuleContent[LineIndex])
 496
 497         self._FileType = FileType
 498         self._State = self._Section
 499         self.FileTypeList.add(FileType)
 500
 501     ## Parse sub-section header
 502     #
 503     #   @param  LineIndex   The line index of build rule text
 504     #
 505     def ParseSubSectionHeader(self, LineIndex):
 506         SectionType = ""
 507         List = self.RuleContent[LineIndex][1:-1].split(',')
 508         FamilyList = []
 509         for Section in List:
 510             TokenList = Section.split('.')
 511             Type = TokenList[0].strip().upper()
 512
 513             if SectionType == "":
 514                 SectionType = Type
 515             elif SectionType != Type:
 516                 EdkLogger.error("build", FORMAT_INVALID,
 517                                 "Two different section types are not allowed in the same sub-section",
 518                                 File=self.RuleFile, Line=LineIndex+1,
 519                                 ExtraData=self.RuleContent[LineIndex])
 520
 521             if len(TokenList) > 1:
 522                 Family = TokenList[1].strip().upper()
 523             else:
 524                 Family = "COMMON"
 525
 526             if Family not in FamilyList:
 527                 FamilyList.append(Family)
 528
 529         self._FamilyList = FamilyList
 530         self._TotalToolChainFamilySet.update(FamilyList)
 531         self._State = SectionType.upper()
 532         if 'COMMON' in FamilyList and len(FamilyList) > 1:
 533             EdkLogger.error("build", FORMAT_INVALID,
 534                             "Specific tool chain family should not be mixed with general one",
 535                             File=self.RuleFile, Line=LineIndex+1,
 536                             ExtraData=self.RuleContent[LineIndex])
 537         if self._State not in self._StateHandler:
 538             EdkLogger.error("build", FORMAT_INVALID, File=self.RuleFile, Line=LineIndex+1,
 539                             ExtraData="Unknown subsection: %s" % self.RuleContent[LineIndex])
 540     ## Parse <InputFile> sub-section
 541     #
 542     #   @param  LineIndex   The line index of build rule text
 543     #
 544     def ParseInputFile(self, LineIndex):
 545         FileList = [File.strip() for File in self.RuleContent[LineIndex].split(",")]
 546         for ToolChainFamily in self._FamilyList:
 547             InputFiles = self._RuleInfo[ToolChainFamily, self._State]
 548             if InputFiles == None:
 549                 InputFiles = []
 550                 self._RuleInfo[ToolChainFamily, self._State] = InputFiles
 551             InputFiles.extend(FileList)
 552
 553     ## Parse <ExtraDependency> sub-section
 554     #
 555     #   @param  LineIndex   The line index of build rule text
 556     #
 557     def ParseCommon(self, LineIndex):
 558         for ToolChainFamily in self._FamilyList:
 559             Items = self._RuleInfo[ToolChainFamily, self._State]
 560             if Items == None:
 561                 Items = []
 562                 self._RuleInfo[ToolChainFamily, self._State] = Items
 563             Items.append(self.RuleContent[LineIndex])
 564
 565     ## Get a build rule via [] operator
 566     #
 567     #   @param  FileExt             The extension of a file
 568     #   @param  ToolChainFamily     The tool chain family name
 569     #   @param  BuildVersion        The build version number. "*" means any rule
 570     #                               is applicalbe.
 571     #
 572     #   @retval FileType        The file type string
 573     #   @retval FileBuildRule   The object of FileBuildRule
 574     #
 575     # Key = (FileExt, ModuleType, Arch, ToolChainFamily)
 576     def __getitem__(self, Key):
 577         if not Key:
 578             return None
 579
 580         if Key[0] in self.Ext2FileType:
 581             Type = self.Ext2FileType[Key[0]]
 582         elif Key[0].upper() in self.FileTypeList:
 583             Type = Key[0].upper()
 584         else:
 585             return None
 586
 587         if len(Key) > 1:
 588             Key = (Type,) + Key[1:]
 589         else:
 590             Key = (Type,)
 591         return self.RuleDatabase[Key]
 592
 593     _StateHandler = {
 594         _SectionHeader     : ParseSectionHeader,
 595         _Section           : ParseSection,
 596         _SubSectionHeader  : ParseSubSectionHeader,
 597         _SubSection        : ParseSubSection,
 598         _InputFile         : ParseInputFile,
 599         _OutputFile        : ParseCommon,
 600         _ExtraDependency   : ParseCommon,
 601         _Command           : ParseCommon,
 602         _UnknownSection    : SkipSection,
 603     }
 604
 605 # This acts like the main() function for the script, unless it is 'import'ed into another
 606 # script.
 607 if __name__ == '__main__':
 608     import sys
 609     EdkLogger.Initialize()
 610     if len(sys.argv) > 1:
 611         Br = BuildRule(sys.argv[1])
 612         print str(Br[".c", "DXE_DRIVER", "IA32", "MSFT"][1])
 613         print
 614         print str(Br[".c", "DXE_DRIVER", "IA32", "INTEL"][1])
 615         print
 616         print str(Br[".c", "DXE_DRIVER", "IA32", "GCC"][1])
 617         print
 618         print str(Br[".ac", "ACPI_TABLE", "IA32", "MSFT"][1])
 619         print
 620         print str(Br[".h", "ACPI_TABLE", "IA32", "INTEL"][1])
 621         print
 622         print str(Br[".ac", "ACPI_TABLE", "IA32", "MSFT"][1])
 623         print
 624         print str(Br[".s", "SEC", "IPF", "COMMON"][1])
 625         print
 626         print str(Br[".s", "SEC"][1])
 627