fix some bug
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parent
b4ebced531
commit
97c928a2a4
1 changed files with 33 additions and 6 deletions
39
worker/bc.py
39
worker/bc.py
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@ -39,8 +39,12 @@ def exprCal (ch):
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global divError
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global divError
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mulflag = False
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mulflag = False
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plusflag = False
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plusflag = False
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for i in range(0, len(ch), 1):
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if (ch[0] == '-'):
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if (ch[i] == "+" or ch[i] == '-'):
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ch = '0' + ch
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ch = ch.replace("--", "+")
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ch = ch.replace("+-", "-")
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for i in range(1, len(ch), 1):
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if ((ch[i] == "+" or ch[i] == '-') and ch[i-1] != '/' and ch[i-1] != '*'):
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plusflag = True;
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plusflag = True;
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elif (ch[i] == '*' or ch[i] == '/'):
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elif (ch[i] == '*' or ch[i] == '/'):
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mulflag = True;
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mulflag = True;
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@ -64,6 +68,8 @@ def exprCal (ch):
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break;
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break;
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fmul -= 1
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fmul -= 1
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lmul += 1
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lmul += 1
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if (ch[lmul] == '-' or ch[lmul] == '+'):
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lmul += 1
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while (fmul >= 0 and (ch[fmul].isdigit() or ch[fmul] == '.')):
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while (fmul >= 0 and (ch[fmul].isdigit() or ch[fmul] == '.')):
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fmul -= 1
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fmul -= 1
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while (lmul < len(ch) and (ch[lmul].isdigit() or ch[lmul] == '.')):
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while (lmul < len(ch) and (ch[lmul].isdigit() or ch[lmul] == '.')):
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@ -98,6 +104,8 @@ def exprCal (ch):
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ch = exprCal(ch[:lst]) + ch[lst:]
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ch = exprCal(ch[:lst]) + ch[lst:]
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elif (plusflag):
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elif (plusflag):
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while (1):
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while (1):
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ch = ch.replace("+-", "-")
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ch = ch.replace("--", "+")
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fst = lst = 0
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fst = lst = 0
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i = 0
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i = 0
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for c in ch:
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for c in ch:
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@ -151,6 +159,13 @@ def bcMain(com):
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com = com.replace("}", ")")
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com = com.replace("}", ")")
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com = com.replace("[", "(")
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com = com.replace("[", "(")
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com = com.replace("]", ")")
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com = com.replace("]", ")")
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com = com.replace("+-", "-")
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com = com.replace("--", "+")
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com = com.replace("*+", "*")
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com = com.replace("/+", "/")
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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("x", "*")
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com = com.replace("x", "*")
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com = com.replace("X", "*")
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com = com.replace("X", "*")
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@ -158,8 +173,11 @@ def bcMain(com):
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for i in range(1, len(com)-1, 1):
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for i in range(1, len(com)-1, 1):
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if (com[i] == '(' and (com[i-1].isdigit() or com[i-1] == '.' or com[i-1] == ')')):
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if (com[i] == '(' and (com[i-1].isdigit() or com[i-1] == '.' or com[i-1] == ')')):
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com = com[:i] + "*" + com[i:]
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com = com[:i] + "*" + com[i:]
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elif (com[i] == ')' and (com[i+1].isdigit() or com[i+1] == '.' or com[i+1] == '(')):
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elif (com[i] == ')' and (com[i+1].isdigit() or com[i+1] == '.' or com[i+1] == '(' or com[i+1] == '-')):
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com = com[:i+1] + "*" + com[i+1:]
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com = com[:i+1] + "*" + com[i+1:]
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#部分情况开头加0
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if (com[0] == '+' or com[0] == '-' or com[0] == '.'):
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com = '0' + com
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#print(com)
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#print(com)
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@ -183,7 +201,10 @@ def bcMain(com):
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#运算符及小数点位置合法性
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#运算符及小数点位置合法性
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ncom = com.replace("(", "")
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ncom = com.replace("(", "")
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ncom = ncom.replace(")", "")
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ncom = ncom.replace(")", "")
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if (not ncom[0].isdigit() and ncom[0] != '.'):
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if (not ncom[0].isdigit() and ncom[0] != '+' and ncom[0] != '-' and ncom[0] != '.'):
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return reportErr(3, ncom[0])
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elif ((ncom[0] == '+' or ncom[0] == '-') and (len(ncom) < 2 or not ncom[1].isdigit())):
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return reportErr(3, ncom[0])
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return reportErr(3, ncom[0])
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elif (ncom[0] == '.' and (len(ncom) < 2 or not ncom[1].isdigit())):
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elif (ncom[0] == '.' and (len(ncom) < 2 or not ncom[1].isdigit())):
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return reportErr(5, "")
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return reportErr(5, "")
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@ -192,8 +213,14 @@ 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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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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return reportErr(5, "")
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for i in range(1, len(ncom)-1, 1):
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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 (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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# 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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if (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] != '.' and ncom[i+1] != "-" and ncom[i+1] != "+")):
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return reportErr(3, ncom[i])
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return reportErr(3, ncom[i])
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elif (ncom[i] == '.'):
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elif (ncom[i] == '.'):
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if (not ncom[i-1].isdigit() and not ncom[i+1].isdigit()):
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if (not ncom[i-1].isdigit() and not ncom[i+1].isdigit()):
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