Reviewed-by: Liming Gao <[email protected]>

>-----Original Message-----
>From: Feng, Bob C
>Sent: Thursday, November 01, 2018 10:57 PM
>To: [email protected]
>Cc: Feng, Bob C <[email protected]>; Gao, Liming <[email protected]>
>Subject: [Patch] BaseTool: Filter out unused structure pcds
>
>V2:
>Fixed the issue that V1 adds new check
>to the Pcds in the platform unused library INF files.
>It breaks the existing platform.
>
>V1:
>The current code handle all the structure pcds
>even if there is no module or library use them.
>This patch is going to filter out the unused structure pcds.
>
>Contributed-under: TianoCore Contribution Agreement 1.1
>Signed-off-by: Bob Feng <[email protected]>
>Cc: Liming Gao <[email protected]>
>---
> .../Source/Python/Workspace/DscBuildData.py   | 22
>+++++++++++++++++++
> .../Source/Python/Workspace/InfBuildData.py   |  9 ++++++++
> .../Python/Workspace/WorkspaceDatabase.py     |  5 ++++-
> 3 files changed, 35 insertions(+), 1 deletion(-)
>
>diff --git a/BaseTools/Source/Python/Workspace/DscBuildData.py
>b/BaseTools/Source/Python/Workspace/DscBuildData.py
>index 6d596b2b54..5d25d20639 100644
>--- a/BaseTools/Source/Python/Workspace/DscBuildData.py
>+++ b/BaseTools/Source/Python/Workspace/DscBuildData.py
>@@ -1467,10 +1467,11 @@ class DscBuildData(PlatformBuildClassObject):
>                         if str_pcd_obj.Type in
>[self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_HII],
>self._PCD_TYPE_STRING_[MODEL_PCD_DYNAMIC_EX_HII]]:
>                             str_pcd_obj_str.DefaultFromDSC = 
> {skuname:{defaultstore:
>str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore,
>str_pcd_obj.SkuInfoList[skuname].HiiDefaultValue) for defaultstore in
>DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
>                         else:
>                             str_pcd_obj_str.DefaultFromDSC = 
> {skuname:{defaultstore:
>str_pcd_obj.SkuInfoList[skuname].DefaultStoreDict.get(defaultstore,
>str_pcd_obj.SkuInfoList[skuname].DefaultValue) for defaultstore in
>DefaultStores} for skuname in str_pcd_obj.SkuInfoList}
>                     S_pcd_set[Pcd] = str_pcd_obj_str
>+        self.FilterStrcturePcd(S_pcd_set)
>         if S_pcd_set:
>             GlobalData.gStructurePcd[self.Arch] = S_pcd_set
>         for stru_pcd in S_pcd_set.values():
>             for skuid in SkuIds:
>                 if skuid in stru_pcd.SkuOverrideValues:
>@@ -1562,10 +1563,31 @@ class DscBuildData(PlatformBuildClassObject):
>                 elif TAB_DEFAULT in pcd.SkuInfoList and TAB_COMMON in
>pcd.SkuInfoList:
>                     del pcd.SkuInfoList[TAB_COMMON]
>
>         map(self.FilterSkuSettings, [Pcds[pcdkey] for pcdkey in Pcds if
>Pcds[pcdkey].Type in DynamicPcdType])
>         return Pcds
>+    @cached_property
>+    def PlatformUsedPcds(self):
>+        FdfInfList = []
>+        if GlobalData.gFdfParser:
>+            FdfInfList = GlobalData.gFdfParser.Profile.InfList
>+        FdfModuleList = [PathClass(NormPath(Inf), GlobalData.gWorkspace,
>Arch=self._Arch) for Inf in FdfInfList]
>+        AllModulePcds = set()
>+        ModuleSet = set(self._Modules.keys() + FdfModuleList)
>+        for ModuleFile in ModuleSet:
>+            ModuleData = self._Bdb[ModuleFile, self._Arch, self._Target,
>self._Toolchain]
>+            AllModulePcds = AllModulePcds | ModuleData.PcdsName
>+        for ModuleFile in self.LibraryInstances:
>+            ModuleData = self._Bdb.CreateBuildObject(ModuleFile, self._Arch,
>self._Target, self._Toolchain)
>+            AllModulePcds = AllModulePcds | ModuleData.PcdsName
>+        return AllModulePcds
>+
>+    #Filter the StrucutrePcd that is not used by any module in dsc file and 
>fdf
>file.
>+    def FilterStrcturePcd(self, S_pcd_set):
>+        UnusedStruPcds = set(S_pcd_set.keys()) - self.PlatformUsedPcds
>+        for (Token, TokenSpaceGuid) in UnusedStruPcds:
>+            del S_pcd_set[(Token, TokenSpaceGuid)]
>
>     ## Retrieve non-dynamic PCD settings
>     #
>     #   @param  Type    PCD type
>     #
>diff --git a/BaseTools/Source/Python/Workspace/InfBuildData.py
>b/BaseTools/Source/Python/Workspace/InfBuildData.py
>index d615cccdf7..99bbecfd1f 100644
>--- a/BaseTools/Source/Python/Workspace/InfBuildData.py
>+++ b/BaseTools/Source/Python/Workspace/InfBuildData.py
>@@ -792,10 +792,19 @@ class InfBuildData(ModuleBuildClassObject):
>         RetVal.update(self._GetPcd(MODEL_PCD_FEATURE_FLAG))
>         RetVal.update(self._GetPcd(MODEL_PCD_DYNAMIC))
>         RetVal.update(self._GetPcd(MODEL_PCD_DYNAMIC_EX))
>         return RetVal
>
>+    @cached_property
>+    def PcdsName(self):
>+        PcdsName = set()
>+        for Type in
>(MODEL_PCD_FIXED_AT_BUILD,MODEL_PCD_PATCHABLE_IN_MODULE,MO
>DEL_PCD_FEATURE_FLAG,MODEL_PCD_DYNAMIC,MODEL_PCD_DYNAMIC_E
>X):
>+            RecordList = self._RawData[Type, self._Arch, self._Platform]
>+            for TokenSpaceGuid, PcdCName, _, _, _, _, _ in RecordList:
>+                PcdsName.add((PcdCName, TokenSpaceGuid))
>+        return PcdsName
>+
>     ## Retrieve build options specific to this module
>     @cached_property
>     def BuildOptions(self):
>         if self._BuildOptions is None:
>             self._BuildOptions = OrderedDict()
>diff --git a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
>b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
>index 3bb287b8b2..c41922f6f9 100644
>--- a/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
>+++ b/BaseTools/Source/Python/Workspace/WorkspaceDatabase.py
>@@ -104,10 +104,14 @@ class WorkspaceDatabase(object):
>             Key = (FilePath, Arch, Target, Toolchain)
>             if Key in self._CACHE_:
>                 return self._CACHE_[Key]
>
>             # check file type
>+            BuildObject = self.CreateBuildObject(FilePath, Arch, Target, 
>Toolchain)
>+            self._CACHE_[Key] = BuildObject
>+            return BuildObject
>+        def CreateBuildObject(self,FilePath, Arch, Target, Toolchain):
>             Ext = FilePath.Type
>             if Ext not in self._FILE_TYPE_:
>                 return None
>             FileType = self._FILE_TYPE_[Ext]
>             if FileType not in self._GENERATOR_:
>@@ -129,11 +133,10 @@ class WorkspaceDatabase(object):
>                                     self,
>                                     Arch,
>                                     Target,
>                                     Toolchain
>                                     )
>-            self._CACHE_[Key] = BuildObject
>             return BuildObject
>
>     # placeholder for file format conversion
>     class TransformObjectFactory:
>         def __init__(self, WorkspaceDb):
>--
>2.18.0.windows.1

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