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cpptopy.py
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cpptopy.py
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#king
kf=1
while(kf==1):
finali=(input("enter the path of C++ input file:"))
finalo=input(("enter the path of output file:"))
if "txt" in finalo:
finalo=finalo.replace("txt","py")
import random
intvar=dict()
strvar=dict()
floatvar=dict()
func_name=list()
class_list=list()
local=list()
#func_var=
s=''
fo=open(finalo,"w")
f=open(finali,'r')
def fileinput():
i=f.readline()
while(i):
global s
s=s+i
i=f.readline()
def whileheader(i,indent=0):
x=i.index('(');y=i.index(')')
t='';
for j in range(len(i)):
if (j>=x and j<=y):
t=t+i[j]
t=t.strip('(' );t=t.strip(')')
if('&&' in t):
t=t.replace('&&','and')
if('||' in t):
t=t.replace('||','or')
print('\t'*indent,end='',file=fo)
print("while",'(',t,'):',sep='',file=fo)
def whileheader1(i,indent=0):
i=i.strip(';')
i=i.strip()
i=i.strip('for')
i=i.strip('(')
i=i.strip()
i=i.strip(')')
if('&&' in i):
i=i.replace('&&','and')
if('||' in i):
i=i.replace('||','or')
print('\t'*indent,end='',file=fo)
k=i.split(';')[1]
print('while','(',k,'):',file=fo)
def funcdecider(i):
if(('int' in i or 'float' in i or 'double' in i or 'char' in i or 'void' in i) and 'main' not in i and '(' in i and ')' in i and ';' in i and '=' not in i and 'return' not in i and 'cout' not in i):
func_name.append((i[i.index(' '):(i.index('('))]).strip(' '))
return 1
else: return 0
def funcprinter(j,i,indent=0):
global countc
if countc!=0:
print('\t'*indent,end='',file=fo)
k=i.replace(j,'');k=k.replace('int','');k=k.replace('double','');k=k.replace('char','');k=k.replace('float','');k=k.replace(' ','');k=k.replace('void','')
j=j.replace('int','');j=j.replace('double','');j=j.replace('char','');j=j.replace('float','');j=j.replace(' ','');j=j.replace('void','')
print("def ",j,'(self,',k[k.index('(')+1:],':',sep='',file=fo)
k=k.replace('(','');k=k.replace(')','');x=k.split(',');local.extend(x)
else:
print('\t'*indent,end='',file=fo)
k=i.replace(j,'');k=k.replace('int','');k=k.replace('double','');k=k.replace('char','');k=k.replace('float','');k=k.replace(' ','');k=k.replace('void','')
print("def ",j,k,':',sep='',file=fo)
k=k.replace('(','');k=k.replace(')','');x=k.split(',');local.extend(x)
def random2(i):
i=i.strip(';')
i=i.strip(' ')
c=0
j=i.split('%')[1]
k=j.split('+')
for l in k:
if c==0:
x=int(l)
c+=1
elif c==1:
y=int(l)
break
max1=x+y-1;min1=y+1
print("random.randint(",min1,",",max1,")",sep="",file=fo)
def display(ch,j,indent=0):
if j==1:
for i in intvar.keys():
if i==ch:
print('\t'*indent,end='',file=fo)
print(ch,'=',intvar[ch],file=fo)
if j==2:
for i in strvar.keys():
if i==ch:
print('\t'*indent,end='',file=fo)
print(ch,'=',strvar[ch],file=fo)
if j==3:
for i in floatvar.keys():
if i==ch:
print('\t'*indent,end='',file=fo)
print(ch,'=',floatvar[ch],file=fo)
def createvariablecheck(i):
for j in func_name:
if j in i: return 0
else: return 1
def createvaribles(i,indent=0):
if ('int ' in i and createvariablecheck(i) and ',' not in i ) :
i=i.strip(' ')
i=i.strip(';')
if '=' in i:
ch=i[i.index('int ')+len('int '):i.index('=')].strip(' ')
intvar.setdefault(ch)
value=((i.split('=')[1]).strip(' ' and ';'))
intvar[ch]=value
else:
ch=i.split(' ')[1].strip(' ')
intvar.setdefault(ch)
intvar[ch]=0
display(ch,1,indent)
if ('char ' in i and createvariablecheck(i) and ',' not in i):
i=i.strip(' ')
i=i.strip(';')
if '=' in i:
ch=i[i.index('char ')+len('char '):i.index('=')].strip(' ')
strvar.setdefault(ch)
strvar[ch]=(i.split('=')[1]).strip(' ' and ';')
else:
ch=i.split(' ')[1].strip(' ')
strvar.setdefault(ch)
strvar[ch]='\'\''
display(ch,2,indent)
if ('float ' in i and createvariablecheck(i) and ',' not in i):
i=i.strip(' ')
i=i.strip(';')
if '=' in i:
ch=i[i.index('float ')+len('float '):i.index('=')].strip(' ')
floatvar.setdefault(ch);
value=((i.split('=')[1]).strip(' ' and ';'))
floatvar[ch]=value
else:
ch=i.split(' ')[1].strip(' ')
floatvar.setdefault(ch);
floatvar[ch]=0.0
display(ch,3,indent)
if ('double ' in i and createvariablecheck(i) and ',' not in i):
i=i.strip(' ')
i=i.strip(';')
if '=' in i:
ch=i[i.index('double ')+len('double '):i.index('=')].strip(' ')
floatvar.setdefault(ch);
value=((i.split('=')[1]).strip(' ' and ';'))
floatvar[ch]=value
else:
ch=i.split(' ')[1].strip(' ')
floatvar.setdefault(ch);
floatvar[ch]=0.0
display(ch,3,indent)
def createvariables1(i,indent=0):
if ('int ' in i and createvariablecheck(i) and ',' in i ) :
val=i[(i.index('=')+1):(i.index(';'))]
i=i.strip(' ')
i=i.strip(';');i=i.replace('int ','');ind=i.index('=')
k=i[:ind].split(',')
for j in k:
j=j.strip()
intvar.setdefault(j)
intvar[j]=val
display(j,1,indent)
if ('double ' in i and createvariablecheck(i) and ',' in i ) :
val=i[(i.index('=')+1):(i.index(';'))]
i=i.strip(' ')
i=i.strip(';');i=i.replace('double ','');ind=i.index('=')
k=i[:ind].split(',')
for j in k:
j=j.strip()
floatvar.setdefault(j)
floatvar[j]=val
display(j,3,indent)
if ('char ' in i and createvariablecheck(i) and ',' in i ) :
val=i[(i.index('=')+1):(i.index(';'))]
i=i.strip(' ')
i=i.strip(';');i=i.replace('char ','');ind=i.index('=')
k=i[:ind].split(',')
for j in k:
j=j.strip()
strvar.setdefault(j)
strvar[j]=val
display(j,2,indent)
if ('float ' in i and createvariablecheck(i) and ',' in i ) :
val=i[(i.index('=')+1):(i.index(';'))]
i=i.strip(' ')
i=i.strip(';');i=i.replace('float ','');ind=i.index('=')
k=i[:ind].split(',')
for j in k:
j=j.strip()
floatvar.setdefault(j)
floatvar[j]=val
display(j,3,indent)
def decl(i,indent=0):
i=i.strip(';')
l=i.split('=')
if(l[0].strip(' ') in intvar.keys() or l[0].strip(' ') in strvar.keys() or l[0].strip(' ') in floatvar.keys() or l[0].strip(' ') in local):
print('\t'*indent,end='',file=fo)
print(i.strip(' '),file=fo)
def cout(i,indent=0):
l=''
i.strip(';')
i.strip(' ')
for j in i.split('<<')[1:]:
l+=j+','
l=l.strip(',')
l=l.strip(';');l=l.replace(';','');l=l.strip(' ')
print('\t'*indent,end='',file=fo)
print('print(',l,",end=''",')',sep='',file=fo)
def cin(i,indent=0):
i=i.strip(';')
i=i.split('>>')
for j in i[1:]:
j=j.replace(' ','')
if j in intvar.keys():
print('\t'*indent,end='',file=fo)
print(j,'=','int(input())',file=fo)
if j in strvar.keys():
print('\t'*indent,end='',file=fo)
print(j,'=','input()',file=fo)
if j in floatvar.keys():
print('\t'*indent,end='',file=fo)
print(j,'=','float(input())',file=fo)
def ifcond(i,indent=0):
if('&&' in i):
i=i.replace('&&','and')
if('||' in i):
i=i.replace('||','or')
i=i.strip()
print('\t'*indent,end='',file=fo)
print(i,":",sep="",file=fo)
def elifcond(i,indent=0):
if('&&' in i):
i=i.replace('&&','and')
if('||' in i):
i=i.replace('||','or')
i=i.strip()
i=i.strip()
i=i.replace('else if','elif')
print('\t'*indent,end='',file=fo)
print(i,":",sep="",file=fo)
def forheader(i,indent=0):
l=i
k1=i
fstring=""
step=0
f=0
var=(i[i.index("("):i.index("=")]).strip("(")
l1=var.replace('int ','')
t=(i[i.index("="):i.index(";")]).strip("=")
k=i[i.index(""):i.index(";")]
i=(i.strip(k)).strip(";")
k1=k1[k1.index(';',1):k1.index(')')]
k1=k1.strip(';')
k1=k1.split(';')[1]
if ("<=" in i):
phigh=(i[i.index("<="):i.index(";")]).strip("<=")
fstring=fstring+"for "+str(var).replace('int','')+" in range ("+str(t)+","+str(phigh)+'+1'+","
f=1
elif ("<"in i):
phigh=(i[i.index("<"):i.index(";")]).strip("<=")
fstring=fstring+"for "+str(var).replace('int','')+" in range ("+str(t)+","+str(phigh)+","
f=1
elif (">=" in i):
plow=(i[i.index(">="):i.index(";")]).strip(">=")
fstring=fstring+"for "+str(var).replace('int','')+" in range ("+str(t)+","+str(plow)+'-1'+","
f=1
elif (">" in i):
plow=(i[i.index(">"):i.index(";")]).strip(">")
fstring=fstring+"for "+str(var).replace('int','')+" in range ("+str(t)+","+str(plow)+","
f=1
elif ("==" in i or "!=" in i or"&&" in i or "||" in i):
global countf
countf+=1
global inc
inc.append(k1)
print('\t'*indent,end='',file=fo)
print(l1,'=',t,file=fo)
whileheader1(l,indent)
return
if f==1:
k=i[i.index(";"):i.index(")")].strip(";")
if ("++" in i):
step=1
elif ("--" in i):
step=-1
fstring=fstring+str(step)+"):"
print('\t'*indent,end='',file=fo)
print(fstring,file=fo)
def escfixn(i):
if '\n' in i:
p=i.split("\n")
t=""
for k in p:
t=t+"\\n"+k
t=t.strip("\\n")
i=t
return (i)
else:
return (i)
def ret(i,indent=0):
i=i.strip(';');i=i.strip(' ')
print('\t'*indent,end='',file=fo)
print(i,file=fo)
def escfixt(i):
if '\t' in i:
p=i.split("\t")
t=""
for k in p:
t=t+"\\t"+k
t=t.strip("\\t")
i=t
return (i)
else:
return (i)
def incdre(i,indent=0):
i=i.strip(';');i=i.replace(';','')
i=i.strip()
if ('++' in i):
i=i.strip('++')
print('\t'*indent,end='',file=fo)
print(i,'+=','1',file=fo)
else:
i=i.strip('--')
print('\t'*indent,end='',file=fo)
print(i,'-=','1',file=fo)
def funcall(i,indent=0):
print('\t'*indent,end='',file=fo)
print(i,file=fo)
flag=0
count=0
countc=0
countf=0
countm=0
inc=list()
fileinput()
for i in s.splitlines():
i=escfixn(i)
if ("cout" not in i):
i=escfixt(i);
if('//' in i and '=' not in i and "cout" not in i and 'return'not in i ):
i=i.replace('//','#');print(i,file=fo)
if "\n" in i:
i=i.replace("\n","\\n")
if "\t" in i:
i=i.replace("\t","\\t")
if 'main()' in i:
countm=1
flag=-1
if(funcdecider(i)==1):
pass
for j in func_name:
if (j in i and ';' not in i and 'return' not in i ) : #diff between function header and function call
count=flag
funcprinter(j,i,count)
if(j in i and ';' in i and 'int ' not in i and 'char ' not in i and 'float ' not in i and 'double ' not in i and 'void' not in i and 'cout' not in i and 'return' not in i):
funcall(i.strip(';'),count)
for j in class_list:
if(j in i and 'int' not in i and 'float' not in i and 'char' not in i and " " in i and "." not in i and 'double' not in i and j not in func_name and 'cout' not in i and "cin" not in i and 'void' not in i and '=' not in i and ";" in i ):
k=((i.strip(';')).replace(j,"")).strip(" ")
print(k,'=',j,'()',file=fo)
if('cout' in i):
cout(i,count)
if 'class' in i:
countc+=1
class_list.append(i.replace('class','').strip())
print('\t'*flag,end='',file=fo)
print(i,':',file=fo)
if('{' in i):
flag+=1
count=flag
if('}'in i) :
if countm==0:
if countf+1==flag and countf!=0:
if ('++' in inc[countf-1] or '--' in inc[countf-1]):
incdre(inc[countf-1],flag)
countf-=1
else:
print('\t'*(flag),file=fo,end='')
print(inc[countf-1],file=fo)
countf-=1
else:
if countf==flag and countf!=0:
if ('++' in inc[countf-1] or '--' in inc[countf-1]):
incdre(inc[countf-1],flag)
countf-=1
else:
print('\t'*(flag),file=fo,end='')
print(inc[countf-1],file=fo)
countf-=1
if countc==flag and countc!=0:
countc-=1
flag-=1
count=flag
if(('int ' in i or 'char ' in i or 'float ' in i or 'double ' in i) and 'for' not in i ) :
createvaribles(i,count)
if(('int ' in i or 'char ' in i or 'float ' in i or 'double ' in i)and '=' in i and ',' in i and 'for' not in i):
createvariables1(i,count)
if('if' in i and 'else if' not in i and 'cout' not in i):
count=flag
ifcond(i,count)
if('else if' in i ):
count=flag
elifcond(i,count)
if('else' in i and 'else if' not in i):
i=i.strip()
print('\t'*flag,end='',file=fo)
print(i,':',file=fo)
if('for' in i and 'cout'not in i ):
count=flag
forheader(i,count)
if('cin' in i):
cin(i,count)
if('#include<math.h>' in i):
print('import math',file=fo)
if('while' in i):
whileheader(i,count)
if (('--' in i or '++' in i) and 'for' not in i):
incdre(i,count)
if('=' in i):
decl(i,count)
if('random()' in i):
random2(i)
if("return" in i):
ret(i,count)
print('input()',file=fo)
f.close()
fo.close()
print(intvar)
print(floatvar)
print(strvar)
print(func_name)
print (class_list)
print("Coversion successful!")
kf=int(input("Press 1 for one more conversion\nPress 2 to End:"))