BaseTools: Add two new sections for PCD in the build report

Build Spec updated to add two new sections for PCD in the build report.
1.Conditional directives section:If the DSC or FDF file contains
conditional directive statements.
2.Unused PCDs section: If the DSC or FDF file define values for PCDs that
are not used by any module and are not used in conditional directive
statements.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Yonghong Zhu <yonghong.zhu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index 3c8d14e6ce..7b3030c5fa 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -1,7 +1,7 @@
 ## @file

 # This file is used to parse and evaluate expression in directive or PCD value.

 #

-# Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>

+# Copyright (c) 2011 - 2016, Intel Corporation. All rights reserved.<BR>

 # This program and the accompanying materials

 # are licensed and made available under the terms and conditions of the BSD License

 # which accompanies this distribution.    The full text of the license may be found at

@@ -76,6 +76,10 @@ def ReplaceExprMacro(String, Macros, ExceptionList = None):
             InQuote = True

         MacroStartPos = String.find('$(')

         if MacroStartPos < 0:

+            for Pcd in gPlatformPcds.keys():

+                if Pcd in String:

+                    if Pcd not in gConditionalPcds:

+                        gConditionalPcds.append(Pcd)

             continue

         RetStr = ''

         while MacroStartPos >= 0: