Merge pull request #5 from weilinfox/master
fix some bug and add some function
This commit is contained in:
Si-Huan
GitHub
commit
c66679b07d
1 changed files with 114 additions and 9 deletions
123
worker/bc.py
123
worker/bc.py
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@ -3,8 +3,10 @@
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# 支持语法检查
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from zzcore import StdAns
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import math
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divError = False
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overflowError = False
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#函数段
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@ -21,6 +23,12 @@ def reportErr (errorNo, ch):
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return "多出来的小数点很孤单的啦~"
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elif (errorNo == 6):
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return "啊吓死我了，0怎么做除数了啊……"
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elif (errorNo == 7):
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return "数字太大了，小身板撑不住啊……"
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elif (errorNo == 8):
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return "好像有奇奇怪怪的东西ummm, \"" + ch + "\"好像不能有……"
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elif (errorNo == 9):
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return "运算符太多了，算不过来啊……"
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else:
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return "啊呀呀这是啥错误啊？问问狸去：" + ch
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@ -37,6 +45,7 @@ def supportCh (ch):
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def exprCal (ch):
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#处理不带括号的表达式
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global divError
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global overflowError
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mulflag = False
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plusflag = False
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if (ch[0] == '-'):
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@ -97,6 +106,9 @@ def exprCal (ch):
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divError = True
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num1 = float(ch[:fst])
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if (ch[fst] == '*'):
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if (num1 * num2 >= 1e16):
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overflowError = True
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return '1'
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return str(num1 * num2)
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elif (ch[fst] == '/'):
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return str(num1 / num2)
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@ -120,6 +132,9 @@ def exprCal (ch):
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num2 = float(ch[fst+1:])
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num1 = float(ch[:fst])
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if (ch[fst] == '+'):
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if (num1 + num2 >= 1e16):
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overflowError = True
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return '1'
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return str(num1 + num2)
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elif (ch[fst] == '-'):
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return str(num1 - num2)
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@ -149,6 +164,7 @@ def bracketExprCal (ch):
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def bcMain(com):
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global divError
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global overflowError
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#预处理
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#字符替换
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com = com.replace(" ", "")
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@ -166,6 +182,7 @@ def bcMain(com):
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com = com.replace("(-", "(0-")
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com = com.replace("(+", "(0+")
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com = com.replace("()", "")
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com = com.replace("%", "/100")
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com = com.replace("x", "*")
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com = com.replace("X", "*")
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@ -213,9 +230,6 @@ def bcMain(com):
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elif (ncom[len(ncom)-1] == '.' and (len(ncom) < 2 or not ncom[len(ncom)-2].isdigit())):
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return reportErr(5, "")
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for i in range(1, len(ncom)-1, 1):
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#if (ncom[i] == "+" or ncom[i] == "-" or ncom[i] == "*" or ncom[i] == "/"):
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# if ((not ncom[i-1].isdigit() and ncom[i-1] != '.') or (not ncom[i+1].isdigit() and ncom[i+1] != '.')):
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# return reportErr(3, ncom[i])
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if (ncom[i] == "+" or ncom[i] == "-"):
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if ((not ncom[i-1].isdigit() and ncom[i-1] != '.' and ncom[i-1] != "*" and ncom[i-1] != "/") or (not ncom[i+1].isdigit() and ncom[i+1] != '.')):
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return reportErr(3, ncom[i])
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@ -247,17 +261,108 @@ def bcMain(com):
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if (divError):
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divError = False
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return reportErr(6, "")
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elif (overflowError):
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overflowError = False
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return reportErr(7, "")
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return ans
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def funMain (ch):
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ch = ch.replace(" ", "")
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if (ch[0:5] == 'sqrt(' and ch[len(ch)-1] == ")"):
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ch = ch[5:len(ch)-1]
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#print(ch)
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dotNum = 0
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for c in ch:
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if (c == '.'):
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dotNum += 1
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elif (not c.isdigit()):
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return reportErr(8, c)
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if (dotNum > 1):
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return reportErr(4, "")
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return str(math.sqrt(float(ch)))
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elif (ch[len(ch)-1] == '!'):
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ch = ch[:len(ch)-1]
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#print(ch)
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for c in ch:
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if (not c.isdigit()):
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return reportErr(8, c)
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n = int(ch)
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if (n == 0):
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return '1'
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else:
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ans = 1
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for i in range(2, n+1, 1):
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ans *= i
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return str(ans)
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else:
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#print(ch)
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dotNum = 0
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for c in ch:
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if (not c.isdigit()):
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flag = c
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dotNum += 1
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if (dotNum > 1):
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return reportErr(9, "")
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elif (dotNum == 0):
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return ch
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else:
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ch = ch.replace(flag, " ")
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if (flag == '+'):
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num1, num2 = map(int, ch.split())
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return str(num1 + num2)
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elif (flag == '-'):
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num1, num2 = map(int, ch.split())
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return str(num1 - num2)
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elif (flag == '*'):
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num1, num2 = map(int, ch.split())
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return str(num1 * num2)
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elif (flag == '/'):
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num1, num2 = map(int, ch.split())
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return str(num1 / num2)
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elif (flag == '\\'):
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num1, num2 = map(int, ch.split())
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return str(num1 // num2) + " R = " + str(num1 % num2)
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elif (flag == '^'):
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num1, num2 = map(int, ch.split())
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ans = 1
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for i in range(0, num2, 1):
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ans *= num1
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return str(ans)
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else:
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return reportErr(8, flag)
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#代码段
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class Ans (StdAns):
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def GETMSG(self):
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ans = "汝以为咱不会算算数的嘛！"
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for s in self.parms:
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if (s == "help"):
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ans = "你喂给我式子我算呀，还不会问狸吧~"
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break
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elif (s != "bc"):
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ans += "\n" + s + " ==> " + bcMain(s)
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if (len(self.parms) < 2):
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ans = "召唤我有什么事咩？有啥不懂输 help 哦~"
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elif (self.parms[1] == "help"):
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ans = "你喂给我式子我算呀，我只会四则运算哦，还不会就问狸吧~\n"
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ans += "如果输入fun会进入函数模式哦，funhelp可以查看支持的函数嘿嘿"
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elif (self.parms[1] == "funhelp"):
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ans = "fun支持这些哦:\n"
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ans += " + ==> 大整数加法\n"
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ans += " - ==> 大整数减法\n"
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ans += " * ==> 大整数乘法\n"
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ans += " / ==> 大整数除法\n"
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ans += " \\ ==> 大整数取余除法\n"
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ans += " ^ ==> 整数幂\n"
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ans += " ! ==> 阶乘\n"
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ans += "sqrt() ==> 开平方\n"
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ans += "别搞太大的数哦，服务器爆了打你哦~"
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else:
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if (self.parms[1] == "fun"):
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funMod = True
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else:
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funMod = False
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for s in self.parms:
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if (s != "bc" and s != "help" and s != "fun" and s != "funhelp"):
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if (funMod):
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ans += "\n" + s + " ==> " + funMain(s)
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else:
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ans += "\n" + s + " ==> " + bcMain(s)
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return ans
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