When a module "Module" depends on a library instance "Lib1" which
depends on "Lib2" which depends on "Lib3" ... depends on "LibN",
but "LibN" doesn't support the type (e.g.: SEC) of the "Module", the
following error messages are printed by build tool:
<DSC path>(...): error 1001: Module by library instance [<LibN path>]
        consumed by [<Module path>]
But it's unclear to user how LibN is consumed by the Module.
With the patch, following errors are printed:
<DSC path>(...): error 1001: Module by library instance [<LibN path>]
        consumed by library instance [<Lib N-1 path>] which is
        consumed by module[<Module path>]
It doesn't print all the intermediate library instances between the
Module and LibN but at least the path of Lib N-1 can help users
to help how to fix the build errors.
I hope this patch can be a trigger point that a better solution could
be developed by tool experts to print all the library instances
between the Module and LibN.
Signed-off-by: Ray Ni <ray.ni@intel.com>
Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Yuwei Chen <yuwei.chen@intel.com>
Reviewed-by: Bob Feng <bob.c.fen@intel.com>
		
	
		
			
				
	
	
		
			259 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			259 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
## @file
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# Common routines used by workspace
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#
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# Copyright (c) 2012 - 2020, Intel Corporation. All rights reserved.<BR>
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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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from __future__ import absolute_import
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from collections import OrderedDict, defaultdict
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from Common.DataType import SUP_MODULE_USER_DEFINED
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from Common.DataType import SUP_MODULE_HOST_APPLICATION
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from .BuildClassObject import LibraryClassObject
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import Common.GlobalData as GlobalData
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from Workspace.BuildClassObject import StructurePcd
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from Common.BuildToolError import RESOURCE_NOT_AVAILABLE
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from Common.BuildToolError import OPTION_MISSING
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from Common.BuildToolError import BUILD_ERROR
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import Common.EdkLogger as EdkLogger
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class OrderedListDict(OrderedDict):
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    def __init__(self, *args, **kwargs):
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        super(OrderedListDict, self).__init__(*args, **kwargs)
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        self.default_factory = list
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    def __missing__(self, key):
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        self[key] = Value = self.default_factory()
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        return Value
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## Get all packages from platform for specified arch, target and toolchain
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#
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#  @param Platform: DscBuildData instance
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#  @param BuildDatabase: The database saves all data for all metafiles
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#  @param Arch: Current arch
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#  @param Target: Current target
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#  @param Toolchain: Current toolchain
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#  @retval: List of packages which are DecBuildData instances
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#
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def GetPackageList(Platform, BuildDatabase, Arch, Target, Toolchain):
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    PkgSet = set()
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    if Platform.Packages:
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        PkgSet.update(Platform.Packages)
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    for ModuleFile in Platform.Modules:
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        Data = BuildDatabase[ModuleFile, Arch, Target, Toolchain]
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        PkgSet.update(Data.Packages)
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        for Lib in GetLiabraryInstances(Data, Platform, BuildDatabase, Arch, Target, Toolchain):
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            PkgSet.update(Lib.Packages)
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    return list(PkgSet)
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## Get all declared PCD from platform for specified arch, target and toolchain
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#
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#  @param Platform: DscBuildData instance
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#  @param BuildDatabase: The database saves all data for all metafiles
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#  @param Arch: Current arch
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#  @param Target: Current target
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#  @param Toolchain: Current toolchain
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#  @retval: A dictionary contains instances of PcdClassObject with key (PcdCName, TokenSpaceGuid)
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#  @retval: A dictionary contains real GUIDs of TokenSpaceGuid
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#
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def GetDeclaredPcd(Platform, BuildDatabase, Arch, Target, Toolchain, additionalPkgs):
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    PkgList = GetPackageList(Platform, BuildDatabase, Arch, Target, Toolchain)
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    PkgList = set(PkgList)
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    PkgList |= additionalPkgs
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    DecPcds = {}
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    GuidDict = {}
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    for Pkg in PkgList:
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        Guids = Pkg.Guids
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        GuidDict.update(Guids)
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        for Pcd in Pkg.Pcds:
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            PcdCName = Pcd[0]
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            PcdTokenName = Pcd[1]
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            if GlobalData.MixedPcd:
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                for PcdItem in GlobalData.MixedPcd:
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                    if (PcdCName, PcdTokenName) in GlobalData.MixedPcd[PcdItem]:
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                        PcdCName = PcdItem[0]
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                        break
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            if (PcdCName, PcdTokenName) not in DecPcds:
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                DecPcds[PcdCName, PcdTokenName] = Pkg.Pcds[Pcd]
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    return DecPcds, GuidDict
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## Get all dependent libraries for a module
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#
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#  @param Module: InfBuildData instance
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#  @param Platform: DscBuildData instance
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#  @param BuildDatabase: The database saves all data for all metafiles
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#  @param Arch: Current arch
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#  @param Target: Current target
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#  @param Toolchain: Current toolchain
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#  @retval: List of dependent libraries which are InfBuildData instances
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#
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def GetLiabraryInstances(Module, Platform, BuildDatabase, Arch, Target, Toolchain):
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    return GetModuleLibInstances(Module, Platform, BuildDatabase, Arch, Target, Toolchain,Platform.MetaFile,EdkLogger)
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def GetModuleLibInstances(Module, Platform, BuildDatabase, Arch, Target, Toolchain, FileName = '', EdkLogger = None):
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    if Module.LibInstances:
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        return Module.LibInstances
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    ModuleType = Module.ModuleType
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    # add forced library instances (specified under LibraryClasses sections)
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    #
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    # If a module has a MODULE_TYPE of USER_DEFINED,
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    # do not link in NULL library class instances from the global [LibraryClasses.*] sections.
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    #
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    if Module.ModuleType != SUP_MODULE_USER_DEFINED:
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        for LibraryClass in Platform.LibraryClasses.GetKeys():
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            if LibraryClass.startswith("NULL") and Platform.LibraryClasses[LibraryClass, Module.ModuleType]:
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                Module.LibraryClasses[LibraryClass] = Platform.LibraryClasses[LibraryClass, Module.ModuleType]
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    # add forced library instances (specified in module overrides)
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    for LibraryClass in Platform.Modules[str(Module)].LibraryClasses:
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        if LibraryClass.startswith("NULL"):
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            Module.LibraryClasses[LibraryClass] = Platform.Modules[str(Module)].LibraryClasses[LibraryClass]
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    # EdkII module
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    LibraryConsumerList = [Module]
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    Constructor = []
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    ConsumedByList = OrderedListDict()
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    LibraryInstance = OrderedDict()
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    if not Module.LibraryClass:
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        EdkLogger.verbose("")
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        EdkLogger.verbose("Library instances of module [%s] [%s]:" % (str(Module), Arch))
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    while len(LibraryConsumerList) > 0:
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        M = LibraryConsumerList.pop()
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        for LibraryClassName in M.LibraryClasses:
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            if LibraryClassName not in LibraryInstance:
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                # override library instance for this module
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                LibraryPath = Platform.Modules[str(Module)].LibraryClasses.get(LibraryClassName,Platform.LibraryClasses[LibraryClassName, ModuleType])
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                if LibraryPath is None:
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                    LibraryPath = M.LibraryClasses.get(LibraryClassName)
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                    if LibraryPath is None:
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                        if not Module.LibraryClass:
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                            EdkLogger.error("build", RESOURCE_NOT_AVAILABLE,
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                                            "Instance of library class [%s] is not found" % LibraryClassName,
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                                            File=FileName,
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                                            ExtraData="in [%s] [%s]\n\tconsumed by module [%s]" % (str(M), Arch, str(Module)))
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                        else:
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                            return []
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                LibraryModule = BuildDatabase[LibraryPath, Arch, Target, Toolchain]
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                # for those forced library instance (NULL library), add a fake library class
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                if LibraryClassName.startswith("NULL"):
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                    LibraryModule.LibraryClass.append(LibraryClassObject(LibraryClassName, [ModuleType]))
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                elif LibraryModule.LibraryClass is None \
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                     or len(LibraryModule.LibraryClass) == 0 \
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                     or (ModuleType != SUP_MODULE_USER_DEFINED and ModuleType != SUP_MODULE_HOST_APPLICATION
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                         and ModuleType not in LibraryModule.LibraryClass[0].SupModList):
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                    # only USER_DEFINED can link against any library instance despite of its SupModList
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                    if not Module.LibraryClass:
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                        EdkLogger.error("build", OPTION_MISSING,
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                                        "Module type [%s] is not supported by library instance [%s]" \
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                                        % (ModuleType, LibraryPath), File=FileName,
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                                        ExtraData="consumed by library instance [%s] which is consumed by module [%s]" \
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                                        % (str(M), str(Module))
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                                        )
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                    else:
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                        return []
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                LibraryInstance[LibraryClassName] = LibraryModule
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                LibraryConsumerList.append(LibraryModule)
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                if not Module.LibraryClass:
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                    EdkLogger.verbose("\t" + str(LibraryClassName) + " : " + str(LibraryModule))
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            else:
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                LibraryModule = LibraryInstance[LibraryClassName]
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            if LibraryModule is None:
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                continue
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            if LibraryModule.ConstructorList != [] and LibraryModule not in Constructor:
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                Constructor.append(LibraryModule)
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            # don't add current module itself to consumer list
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            if M != Module:
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                if M in ConsumedByList[LibraryModule]:
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                    continue
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                ConsumedByList[LibraryModule].append(M)
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    #
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    # Initialize the sorted output list to the empty set
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    #
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    SortedLibraryList = []
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    #
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    # Q <- Set of all nodes with no incoming edges
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    #
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    LibraryList = [] #LibraryInstance.values()
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    Q = []
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    for LibraryClassName in LibraryInstance:
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        M = LibraryInstance[LibraryClassName]
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        LibraryList.append(M)
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        if not ConsumedByList[M]:
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            Q.append(M)
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    #
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    # start the  DAG algorithm
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    #
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    while True:
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        EdgeRemoved = True
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        while Q == [] and EdgeRemoved:
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            EdgeRemoved = False
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            # for each node Item with a Constructor
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            for Item in LibraryList:
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                if Item not in Constructor:
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                    continue
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                # for each Node without a constructor with an edge e from Item to Node
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                for Node in ConsumedByList[Item]:
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                    if Node in Constructor:
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                        continue
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                    # remove edge e from the graph if Node has no constructor
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                    ConsumedByList[Item].remove(Node)
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                    EdgeRemoved = True
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                    if not ConsumedByList[Item]:
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                        # insert Item into Q
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                        Q.insert(0, Item)
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                        break
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                if Q != []:
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                    break
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        # DAG is done if there's no more incoming edge for all nodes
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        if Q == []:
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            break
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        # remove node from Q
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        Node = Q.pop()
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        # output Node
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        SortedLibraryList.append(Node)
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        # for each node Item with an edge e from Node to Item do
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        for Item in LibraryList:
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            if Node not in ConsumedByList[Item]:
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                continue
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            # remove edge e from the graph
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            ConsumedByList[Item].remove(Node)
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            if ConsumedByList[Item]:
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                continue
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            # insert Item into Q, if Item has no other incoming edges
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            Q.insert(0, Item)
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    #
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    # if any remaining node Item in the graph has a constructor and an incoming edge, then the graph has a cycle
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    #
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    for Item in LibraryList:
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        if ConsumedByList[Item] and Item in Constructor and len(Constructor) > 1:
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            if not Module.LibraryClass:
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                ErrorMessage = "\tconsumed by " + "\n\tconsumed by ".join(str(L) for L in ConsumedByList[Item])
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                EdkLogger.error("build", BUILD_ERROR, 'Library [%s] with constructors has a cycle' % str(Item),
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                                ExtraData=ErrorMessage, File=FileName)
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            else:
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                return []
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        if Item not in SortedLibraryList:
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            SortedLibraryList.append(Item)
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    #
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    # Build the list of constructor and destructor names
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    # The DAG Topo sort produces the destructor order, so the list of constructors must generated in the reverse order
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    #
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    SortedLibraryList.reverse()
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    Module.LibInstances = SortedLibraryList
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    SortedLibraryList = [lib.SetReferenceModule(Module) for lib in SortedLibraryList]
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    return SortedLibraryList
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