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BaseTools: change the Division Operator

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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>
This commit is contained in:
Zhijux Fan
2018-12-07 12:34:44 +08:00
committed by Feng, Bob C
parent f935bdd270
commit b3e94a0617
14 changed files with 49 additions and 42 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
BaseTools/Source/Python/Common/Expression.py
View File

@ -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:

6
BaseTools/Source/Python/Common/Misc.py
View File

@ -1025,7 +1025,7 @@ def ParseFieldValue (Value):
if "{CODE(" in Value:
return Value, len(Value.split(","))
if isinstance(Value, type(0)):
return Value, (Value.bit_length() + 7) / 8
return Value, (Value.bit_length() + 7) // 8
if not isinstance(Value, type('')):
raise BadExpression('Type %s is %s' %(Value, type(Value)))
Value = Value.strip()
@ -1146,12 +1146,12 @@ def ParseFieldValue (Value):
raise BadExpression("invalid hex value: %s" % Value)
if Value == 0:
return 0, 1
return Value, (Value.bit_length() + 7) / 8
return Value, (Value.bit_length() + 7) // 8
if Value[0].isdigit():
Value = int(Value, 10)
if Value == 0:
return 0, 1
return Value, (Value.bit_length() + 7) / 8
return Value, (Value.bit_length() + 7) // 8
if Value.lower() == 'true':
return 1, 1
if Value.lower() == 'false':