BaseTools/Source/Python/Workspace/WorkspaceCommon.py

   1 ## @file
   2 # Common routines used by workspace
   3 #
   4 # Copyright (c) 2012 - 2018, 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 from __future__ import absolute_import
  15 from collections import OrderedDict, defaultdict
  16 from Common.DataType import SUP_MODULE_USER_DEFINED
  17 from .BuildClassObject import LibraryClassObject
  18 import Common.GlobalData as GlobalData
  19 from Workspace.BuildClassObject import StructurePcd
  20 from Common.BuildToolError import RESOURCE_NOT_AVAILABLE
  21 from Common.BuildToolError import OPTION_MISSING
  22 from Common.BuildToolError import BUILD_ERROR
  23
  24 class OrderedListDict(OrderedDict):
  25     def __init__(self, *args, **kwargs):
  26         super(OrderedListDict, self).__init__(*args, **kwargs)
  27         self.default_factory = list
  28
  29     def __missing__(self, key):
  30         self[key] = Value = self.default_factory()
  31         return Value
  32
  33 ## Get all packages from platform for specified arch, target and toolchain
  34 #
  35 #  @param Platform: DscBuildData instance
  36 #  @param BuildDatabase: The database saves all data for all metafiles
  37 #  @param Arch: Current arch
  38 #  @param Target: Current target
  39 #  @param Toolchain: Current toolchain
  40 #  @retval: List of packages which are DecBuildData instances
  41 #
  42 def GetPackageList(Platform, BuildDatabase, Arch, Target, Toolchain):
  43     PkgSet = set()
  44     for ModuleFile in Platform.Modules:
  45         Data = BuildDatabase[ModuleFile, Arch, Target, Toolchain]
  46         PkgSet.update(Data.Packages)
  47         for Lib in GetLiabraryInstances(Data, Platform, BuildDatabase, Arch, Target, Toolchain):
  48             PkgSet.update(Lib.Packages)
  49     return list(PkgSet)
  50
  51 ## Get all declared PCD from platform for specified arch, target and toolchain
  52 #
  53 #  @param Platform: DscBuildData instance
  54 #  @param BuildDatabase: The database saves all data for all metafiles
  55 #  @param Arch: Current arch
  56 #  @param Target: Current target
  57 #  @param Toolchain: Current toolchain
  58 #  @retval: A dictionary contains instances of PcdClassObject with key (PcdCName, TokenSpaceGuid)
  59 #  @retval: A dictionary contains real GUIDs of TokenSpaceGuid
  60 #
  61 def GetDeclaredPcd(Platform, BuildDatabase, Arch, Target, Toolchain, additionalPkgs):
  62     PkgList = GetPackageList(Platform, BuildDatabase, Arch, Target, Toolchain)
  63     PkgList = set(PkgList)
  64     PkgList |= additionalPkgs
  65     DecPcds = {}
  66     GuidDict = {}
  67     for Pkg in PkgList:
  68         Guids = Pkg.Guids
  69         GuidDict.update(Guids)
  70         for Pcd in Pkg.Pcds:
  71             PcdCName = Pcd[0]
  72             PcdTokenName = Pcd[1]
  73             if GlobalData.MixedPcd:
  74                 for PcdItem in GlobalData.MixedPcd:
  75                     if (PcdCName, PcdTokenName) in GlobalData.MixedPcd[PcdItem]:
  76                         PcdCName = PcdItem[0]
  77                         break
  78             if (PcdCName, PcdTokenName) not in DecPcds:
  79                 DecPcds[PcdCName, PcdTokenName] = Pkg.Pcds[Pcd]
  80     return DecPcds, GuidDict
  81
  82 ## Get all dependent libraries for a module
  83 #
  84 #  @param Module: InfBuildData instance
  85 #  @param Platform: DscBuildData instance
  86 #  @param BuildDatabase: The database saves all data for all metafiles
  87 #  @param Arch: Current arch
  88 #  @param Target: Current target
  89 #  @param Toolchain: Current toolchain
  90 #  @retval: List of dependent libraries which are InfBuildData instances
  91 #
  92 def GetLiabraryInstances(Module, Platform, BuildDatabase, Arch, Target, Toolchain):
  93     return GetModuleLibInstances(Module, Platform, BuildDatabase, Arch, Target, Toolchain)
  94
  95 def GetModuleLibInstances(Module, Platform, BuildDatabase, Arch, Target, Toolchain, FileName = '', EdkLogger = None):
  96     ModuleType = Module.ModuleType
  97
  98     # add forced library instances (specified under LibraryClasses sections)
  99     #
 100     # If a module has a MODULE_TYPE of USER_DEFINED,
 101     # do not link in NULL library class instances from the global [LibraryClasses.*] sections.
 102     #
 103     if Module.ModuleType != SUP_MODULE_USER_DEFINED:
 104         for LibraryClass in Platform.LibraryClasses.GetKeys():
 105             if LibraryClass.startswith("NULL") and Platform.LibraryClasses[LibraryClass, Module.ModuleType]:
 106                 Module.LibraryClasses[LibraryClass] = Platform.LibraryClasses[LibraryClass, Module.ModuleType]
 107
 108     # add forced library instances (specified in module overrides)
 109     for LibraryClass in Platform.Modules[str(Module)].LibraryClasses:
 110         if LibraryClass.startswith("NULL"):
 111             Module.LibraryClasses[LibraryClass] = Platform.Modules[str(Module)].LibraryClasses[LibraryClass]
 112
 113     # EdkII module
 114     LibraryConsumerList = [Module]
 115     Constructor = []
 116     ConsumedByList = OrderedListDict()
 117     LibraryInstance = OrderedDict()
 118
 119     if FileName:
 120         EdkLogger.verbose("")
 121         EdkLogger.verbose("Library instances of module [%s] [%s]:" % (str(Module), Arch))
 122
 123     while len(LibraryConsumerList) > 0:
 124         M = LibraryConsumerList.pop()
 125         for LibraryClassName in M.LibraryClasses:
 126             if LibraryClassName not in LibraryInstance:
 127                 # override library instance for this module
 128                 LibraryPath = Platform.Modules[str(Module)].LibraryClasses.get(LibraryClassName,Platform.LibraryClasses[LibraryClassName, ModuleType])
 129                 if LibraryPath is None:
 130                     LibraryPath = M.LibraryClasses.get(LibraryClassName)
 131                     if LibraryPath is None:
 132                         if FileName:
 133                             EdkLogger.error("build", RESOURCE_NOT_AVAILABLE,
 134                                             "Instance of library class [%s] is not found" % LibraryClassName,
 135                                             File=FileName,
 136                                             ExtraData="in [%s] [%s]\n\tconsumed by module [%s]" % (str(M), Arch, str(Module)))
 137                         else:
 138                             return []
 139
 140                 LibraryModule = BuildDatabase[LibraryPath, Arch, Target, Toolchain]
 141                 # for those forced library instance (NULL library), add a fake library class
 142                 if LibraryClassName.startswith("NULL"):
 143                     LibraryModule.LibraryClass.append(LibraryClassObject(LibraryClassName, [ModuleType]))
 144                 elif LibraryModule.LibraryClass is None \
 145                      or len(LibraryModule.LibraryClass) == 0 \
 146                      or (ModuleType != SUP_MODULE_USER_DEFINED
 147                          and ModuleType not in LibraryModule.LibraryClass[0].SupModList):
 148                     # only USER_DEFINED can link against any library instance despite of its SupModList
 149                     if FileName:
 150                         EdkLogger.error("build", OPTION_MISSING,
 151                                         "Module type [%s] is not supported by library instance [%s]" \
 152                                         % (ModuleType, LibraryPath), File=FileName,
 153                                         ExtraData="consumed by [%s]" % str(Module))
 154                     else:
 155                         return []
 156
 157                 LibraryInstance[LibraryClassName] = LibraryModule
 158                 LibraryConsumerList.append(LibraryModule)
 159                 if FileName:
 160                     EdkLogger.verbose("\t" + str(LibraryClassName) + " : " + str(LibraryModule))
 161             else:
 162                 LibraryModule = LibraryInstance[LibraryClassName]
 163
 164             if LibraryModule is None:
 165                 continue
 166
 167             if LibraryModule.ConstructorList != [] and LibraryModule not in Constructor:
 168                 Constructor.append(LibraryModule)
 169
 170             # don't add current module itself to consumer list
 171             if M != Module:
 172                 if M in ConsumedByList[LibraryModule]:
 173                     continue
 174                 ConsumedByList[LibraryModule].append(M)
 175     #
 176     # Initialize the sorted output list to the empty set
 177     #
 178     SortedLibraryList = []
 179     #
 180     # Q <- Set of all nodes with no incoming edges
 181     #
 182     LibraryList = [] #LibraryInstance.values()
 183     Q = []
 184     for LibraryClassName in LibraryInstance:
 185         M = LibraryInstance[LibraryClassName]
 186         LibraryList.append(M)
 187         if not ConsumedByList[M]:
 188             Q.append(M)
 189
 190     #
 191     # start the  DAG algorithm
 192     #
 193     while True:
 194         EdgeRemoved = True
 195         while Q == [] and EdgeRemoved:
 196             EdgeRemoved = False
 197             # for each node Item with a Constructor
 198             for Item in LibraryList:
 199                 if Item not in Constructor:
 200                     continue
 201                 # for each Node without a constructor with an edge e from Item to Node
 202                 for Node in ConsumedByList[Item]:
 203                     if Node in Constructor:
 204                         continue
 205                     # remove edge e from the graph if Node has no constructor
 206                     ConsumedByList[Item].remove(Node)
 207                     EdgeRemoved = True
 208                     if not ConsumedByList[Item]:
 209                         # insert Item into Q
 210                         Q.insert(0, Item)
 211                         break
 212                 if Q != []:
 213                     break
 214         # DAG is done if there's no more incoming edge for all nodes
 215         if Q == []:
 216             break
 217
 218         # remove node from Q
 219         Node = Q.pop()
 220         # output Node
 221         SortedLibraryList.append(Node)
 222
 223         # for each node Item with an edge e from Node to Item do
 224         for Item in LibraryList:
 225             if Node not in ConsumedByList[Item]:
 226                 continue
 227             # remove edge e from the graph
 228             ConsumedByList[Item].remove(Node)
 229
 230             if ConsumedByList[Item]:
 231                 continue
 232             # insert Item into Q, if Item has no other incoming edges
 233             Q.insert(0, Item)
 234
 235     #
 236     # if any remaining node Item in the graph has a constructor and an incoming edge, then the graph has a cycle
 237     #
 238     for Item in LibraryList:
 239         if ConsumedByList[Item] and Item in Constructor and len(Constructor) > 1:
 240             if FileName:
 241                 ErrorMessage = "\tconsumed by " + "\n\tconsumed by ".join(str(L) for L in ConsumedByList[Item])
 242                 EdkLogger.error("build", BUILD_ERROR, 'Library [%s] with constructors has a cycle' % str(Item),
 243                                 ExtraData=ErrorMessage, File=FileName)
 244             else:
 245                 return []
 246         if Item not in SortedLibraryList:
 247             SortedLibraryList.append(Item)
 248
 249     #
 250     # Build the list of constructor and destructir names
 251     # The DAG Topo sort produces the destructor order, so the list of constructors must generated in the reverse order
 252     #
 253     SortedLibraryList.reverse()
 254     return SortedLibraryList