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utils: gdb: fix pretty-printing of BigNum

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I was accumulating the digits in reverse...
This commit is contained in:
Bruno BELANYI 2021-08-22 23:46:02 +02:00
parent b50750009b
commit 6989d5209f
1 changed files with 10 additions and 3 deletions
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13
utils/gdb/abacus_pretty_printers.py
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@ -1,5 +1,12 @@
import gdb.printing import gdb.printing
def digits_to_num(digits):
res = 0
for d in reversed(digits):
res *= 10
res += d
return res
class BigNumPrinter(object): class BigNumPrinter(object):
"Print a abacus::bignum::BigNum" "Print a abacus::bignum::BigNum"
@ -9,11 +16,11 @@ class BigNumPrinter(object):
def to_string(self): def to_string(self):
digits = self.val['digits_'] digits = self.val['digits_']
begin, end = digits['_M_impl']['_M_start'], digits['_M_impl']['_M_finish'] begin, end = digits['_M_impl']['_M_start'], digits['_M_impl']['_M_finish']
val = 0 val = []
while begin != end: while begin != end:
val *= 10 val += [begin.dereference()]
val += begin.dereference()
begin += 1 begin += 1
val = digits_to_num(val)
val *= self.val['sign_'] val *= self.val['sign_']
return str(val) return str(val)