Help emergency about Stack!

[theblasphemous]

What is the missing code ??

#include "stdafx.h"
#include < string >


   void check()
      {
      int stackSize = input.length();      
               
      bool isError = false;                

      for(int j=0; j<input.length(); j++)  
         {
         char ch = input[j];               
         switch(ch)
            {
            case '{':                      
            case '[':
            case '(':
               push(ch);          
               break;

            case '}':                      
            case ']':
            case ')':
               if( !isEmpty() )   
                  {
                  char chx = pop();  
                  if( (ch=='}' && chx!='{') ||
                      (ch==']' && chx!='[') ||
                      (ch==')' && chx!='(') )
                     {
                     isError = true;
					 printf("Mismatched delimeter: %c at %d",ch,j);
					 printf("\n");
					 
                     }
                  }
               else                        
                  {
                  isError = true;
				  printf("Misplaced delimeter: %c at %d",ch,j);
				  printf("\n");
                  
                  }
               break;
            default:    
               break;
            }  
         }  
     
      if( !isEmpty() )
		  printf("Missing right delimeter\n");
         
      else if( !isError )
         printf("OK!!\n");
      }  

   

int main()
{
   string input;
   while(true)
      {
      
	  printf("\nEnter string containing delimiters (no whitespace): ");
	  scanf("%s",input);         
      if( input.length() == 1 )   
         break;
                              
      
      check();      
      }  
   return 0;
}

[Rennor]

Maybe I should have voted "yes" for the code tag forcing option.

theblasphemous, I suggest you edit your post and add code tags, it might help you to get help.

[Salem]

> Maybe I should have voted "yes" for the code tag forcing option.
Yes you should.

[Salem]

> What is the missing code ??
You mean apart from the fact that this is the C board and you posted C++ code.

@Ken
Thanks for the tagging, I was just going to delete the untagged code in accordance with the new policy.

[ssharish2005]

you have just messed up the code with all C and C++ code in it.

function check dosn't know anything about input string which is declared and used in the main. either input string should be sent as an argument to the check function or could declare it as an global variable(which is not recommanded)

Your while loop should exit condition. while(1) is not a good programming pratice.

in the check fucntion, you have default case which is of no use.

few errors which i found on a glance

ssharish2005

[jafet]

ssharish2005, some compilers require that you provide a default clause for every switch statement; others may post a warning. In any case I consider it to be a good coding practice.