Program to correct rudimentary syntax errors

#include "stdio.h"
# include "conio.h"
#define NULL 0
FILE *fpt;
void main()
{
int c1=0,c2=0,c3=0,c4=0,c5=0;
char c,name[20],z;
clrscr();
printf("Enter the name of file to be checked :- ");
gets(name);
fpt=fopen(name,"r");
if (fpt==NULL)
printf("
ERROR - can/'t open file %s",name);
else
{
while ((c=getc(fpt))!=EOF)
{
if (c=='(')
c1=c1+1;
if (c==')')
c1=c1-1;
if (c=='[')
c2=c2+1;
if (c==']')
c2=c2-1;
if (c=='
')
{
if (c1!=0)
printf("
ERROR - Unbalanced parenthesis ()");
if (c2!=0)
printf("
ERROR - Unbalanced brackets []");
}
if (c=='{')
c3=c3+1;
if (c=='}')
c3=c3-1;
if ((int)c==39)
{
if (c1!=0)
{
if (c4==0)
c4=c4+1;
else
c4=c4-1;
}
else
printf("
ERROR - Unbalanced ' ");
}
if ((int)c==34)
{
if (c1!=0)
{
if (c5==0)
c5=c5+1;
else
c5=c5-1;
}
else
{
z=(char)34;
printf("
ERROR - Unbalanced %c ",z);
}
}
}
}

if (c1!=0)
printf("
ERROR - Unbalanced parenthesis ()");
if (c2!=0)
printf("
ERROR - Unbalanced brackets []");
if (c3!=0)
printf("
ERROR - Unbalanced braces {}");
if (c4!=0)
printf("
ERROR - Unbalanced ' ");
if (c5!=0)
printf("
ERROR - Unbalanced " ");

if (c1==0 && c2==0 && c3==0 && c4==0 && c5==0)
printf("Program is up to date. WELL DONE!");
fclose(fpt);
getch();
}

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1 comment:

  1. Hi,

    Is there any way to modify the code so that it displays which line the error is on?

    ReplyDelete


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More Useful Topics...

 

History Of C..

In the beginning was Charles Babbage and his Analytical Engine, a machine
he built in 1822 that could be programmed to carry out different computations.
Move forward more than 100 years, where the U.S. government in
1942 used concepts from Babbage’s engine to create the ENIAC, the first
modern computer.
Meanwhile, over at the AT&T Bell Labs, in 1972 Dennis Ritchie was working
with two languages: B (for Bell) and BCPL (Basic Combined Programming
Language). Inspired by Pascal, Mr. Ritchie developed the C programming
language.

My 1st Program...


#include
#include
void main ()
{
clrscr ();
printf ("\n\n\n\n");
printf ("\t\t\t*******Pankaj *******\n");
printf ("\t\t\t********************************\n");
printf ("\t\t\t\"Life is Good...\"\n");
printf ("\t\t\t********************************");
getch ();
}

Next Step...


#include
#include

void main ()
{
clrscr ();
printf ("\n\n\n\n\n\n\n\n");
printf ("\t\t\t --------------------------- \n\n");

printf ("\t\t\t | IGCT, Info Computers, INDIA | \n\n");
printf ("\t\t\t --------------------------- ");

getch ();

}

Hits!!!