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C Source Codes List | Source Code Home
Program : Program to correct rudimentary syntax errors.
<![CDATA[ /* Prg. 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("\nERROR - 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=='\n')
{
if (c1!=0)
printf("\nERROR - Unbalanced parenthesis ()");
if (c2!=0)
printf("\nERROR - 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("\nERROR - Unbalanced ' ");
}
if ((int)c==34)
{
if (c1!=0)
{
if (c5==0)
c5=c5+1;
else
c5=c5-1;
}
else
{
z=(char)34;
printf("\nERROR - Unbalanced %c ",z);
}
}
}
}
if (c1!=0)
printf("\nERROR - Unbalanced parenthesis ()");
if (c2!=0)
printf("\nERROR - Unbalanced brackets []");
if (c3!=0)
printf("\nERROR - Unbalanced braces {}");
if (c4!=0)
printf("\nERROR - Unbalanced ' ");
if (c5!=0)
printf("\nERROR - Unbalanced \" ");
if (c1==0 && c2==0 && c3==0 && c4==0 && c5==0)
printf("\nProgram is up to date. WELL DONE!");
fclose(fpt);
getch();
}]]>
C Source Codes List | Source Code Home
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