From b3e94a06172113991f28a1eff096255c65702a0c Mon Sep 17 00:00:00 2001
From: Zhijux Fan <zhijux.fan@intel.com>
Date: Fri, 7 Dec 2018 12:34:44 +0800
Subject: BaseTools: change the Division Operator

PEP 238 -- Changing the Division Operator
x/y to return a reasonable approximation of the mathematical result
    of the division ("true division")
x//y to return the floor ("floor division")

Cc: Bob Feng <bob.c.feng@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Zhiju.Fan <zhijux.fan@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>
---
 BaseTools/Source/Python/Common/Expression.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'BaseTools/Source/Python/Common/Expression.py')

diff --git a/BaseTools/Source/Python/Common/Expression.py b/BaseTools/Source/Python/Common/Expression.py
index 19ea13b7fb..0c7e25b445 100644
--- a/BaseTools/Source/Python/Common/Expression.py
+++ b/BaseTools/Source/Python/Common/Expression.py
@@ -439,6 +439,13 @@ class ValueExpression(BaseExpression):
                 else:
                     Val = Val3
                 continue
+            #
+            # PEP 238 -- Changing the Division Operator
+            # x/y to return a reasonable approximation of the mathematical result of the division ("true division")
+            # x//y to return the floor ("floor division")
+            #
+            if Op == '/':
+                Op = '//'
             try:
                 Val = self.Eval(Op, Val, EvalFunc())
             except WrnExpression as Warn:
@@ -912,7 +919,7 @@ class ValueExpressionEx(ValueExpression):
                         if TmpValue.bit_length() == 0:
                             PcdValue = '{0x00}'
                         else:
-                            for I in range((TmpValue.bit_length() + 7) / 8):
+                            for I in range((TmpValue.bit_length() + 7) // 8):
                                 TmpList.append('0x%02x' % ((TmpValue >> I * 8) & 0xff))
                             PcdValue = '{' + ', '.join(TmpList) + '}'
                     except:
-- 
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