def calForLoop(varDict, curLine, nxtLine):
parts = curLine.split(';')
#print(parts)
curVar = findVar(parts[0], varDict)
eq = isPresent(parts[0], '=')
val = findVar(parts[0][eq + 1:], varDict)
if val == 1:
varDict[curVar] = calInt(parts[0][eq + 1:])
else:
varDict[curVar] = varDict[val]
cmp = findComp(parts[1])
pos = isPresent(parts[1], cmp)
tmp = findVar(parts[1][pos + 1:], varDict)
if tmp == 1:
j = calInt(parts[1][pos + 1:])
else:
j = varDict[tmp]
sign = findSign(parts[2])
signPos = isPresent(parts[2], sign)
last = isPresent(parts[2], ')')
red = calInt(parts[2][signPos + 1:last])
printLoop(varDict, curVar, j, red, curLine, nxtLine, cmp, sign)
def fileRead():
varDict = {}
varStr = input('Enter variables separated by space : ').split()
for s in varStr:
varDict[s] = 0
with open('cProgram.txt', 'r') as f:
curLine = f.readline().strip()
while isPresent(curLine, 'main()') == -1:
curLine = f.readline().strip()
curLine = f.readline().strip()
while isPresent(curLine, 'int') == -1:
curLine = f.readline().strip()
for curLine in f:
curLine = curLine.strip()
if curLine.strip() == '' or curLine.strip() == '{':
continue
if isPresent(curLine, 'printf') == -1 or isPresent(
curLine, 'return') == -1:
if isPresent(curLine, 'for') != -1:
#print('yes')
calForLoop(varDict, curLine, f.readline().strip())
else:
calVar(curLine, varDict)
print(f"\n[ {curLine} ] >>>> ", end=' ')
printVar(varDict)
def findComp(str1):
res = ''
if isPresent(str1, '<=') != -1:
res = 'le'
elif isPresent(str1, '<') != -1:
res = 'l'
if isPresent(str1, '>=') != -1:
res = 'ge'
elif isPresent(str1, '>') != -1:
res = 'g'
return res
def findSign(str1):
sign = ''
if isPresent(str1, '+') != -1:
sign = '+'
elif isPresent(str1, '-') != -1:
sign = '-'
elif isPresent(str1, '*') != -1:
sign = '*'
else:
sign = '/'
return sign
def calNxtLine(nxtLine, varDict):
eq = isPresent(nxtLine, '=')
nCur = findVar(nxtLine[:eq], varDict)
ns = findSign(nxtLine[eq:])
pos = isPresent(nxtLine, ns)
tmp = findVar(nxtLine[eq:pos], varDict)
if tmp == 1:
nl = calInt(nxtLine[eq + 1:pos])
else:
nl = tmp
tmp = findVar(nxtLine[pos:], varDict)
if tmp == 1:
nr = calInt(nxtLine[pos + 1:])
else:
nr = tmp
return (nCur, nl, nr, ns)
def calVar(curLine, varDict):
isPos = isPresent(curLine, '+')
isNeg = isPresent(curLine, '-')
isMul = isPresent(curLine, '*')
isDiv = isPresent(curLine, '/')
isEql = isPresent(curLine, '=')
if isPos == isNeg == isMul == isDiv == -1:
if isEql != -1:
assignVar(curLine, varDict, isEql)
elif isEql != -1:
if isPos != -1:
mathOps(curLine, varDict, isEql, isPos, '+')
elif isNeg != -1:
mathOps(curLine, varDict, isEql, isNeg, '-')
elif isMul != -1:
mathOps(curLine, varDict, isEql, isMul, '*')
elif isDiv != -1:
mathOps(curLine, varDict, isEql, isDiv, '/')