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fit % bug

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This commit is contained in:
weilinfox 2020-03-03 19:18:46 +08:00
parent b66408662b
commit 5b3ce0de03
1 changed files with 28 additions and 2 deletions
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30
worker/bc.py
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@ -182,13 +182,12 @@ def bcMain(com):
com = com.replace("(-", "(0-")
com = com.replace("(+", "(0+")
com = com.replace("()", "")
com = com.replace("%", "/100")
com = com.replace("x", "*")
com = com.replace("X", "*")
#省略乘号的支持
for i in range(1, len(com)-1, 1):
if (com[i] == '(' and (com[i-1].isdigit() or com[i-1] == '.' or com[i-1] == ')')):
if (com[i] == '(' and (com[i-1].isdigit() or com[i-1] == '.' or com[i-1] == '%' or com[i-1] == ')')):
com = com[:i] + "*" + com[i:]
elif (com[i] == ')' and (com[i+1].isdigit() or com[i+1] == '.' or com[i+1] == '(' or com[i+1] == '-')):
com = com[:i+1] + "*" + com[i+1:]
@ -200,6 +199,29 @@ def bcMain(com):
#表达式合法性
#百分号合法性
pcntnum = 0
if (com[0] == '%'):
return reportErr(3, com[0])
for i in range(1, len(com)-1, 1):
if (com[i] == '%'):
pcntnum += 1
if (not com[i-1].isdigit() or (com[i+1] != '+' and com[i+1] != '-' and com[i+1] != '*' and com[i+1] != '/' and com[i+1] != '(' and com[i+1] != ')')):
return reportErr(3, com[i])
if (pcntnum > 0):
i = 1
while (i < len(com)):
if (com[i] == '%'):
nst = i-1
while (nst >= 0 and com[nst].isdigit()):
nst -= 1
# print(nst)
com = com[:nst+1] + '(' + com[nst+1:]
i += 2
i += 1
com = com.replace("%", "/100)")
#print(com)
#括号合法性
ncom = ""
for ch in com:
@ -319,9 +341,13 @@ def funMain (ch):
return str(num1 * num2)
elif (flag == '/'):
num1, num2 = map(int, ch.split())
if (num2 == 0):
return reportErr(6, "")
return str(num1 / num2)
elif (flag == '\\'):
num1, num2 = map(int, ch.split())
if (num2 == 0):
return reportErr(6, "")
return str(num1 // num2) + " R = " + str(num1 % num2)
elif (flag == '^'):
num1, num2 = map(int, ch.split())