#include "Stack.h"

bracketMatching(s):
|  Input  stream s of characters
|  Output TRUE if parentheses in s balanced, FALSE otherwise
|
|  for each ch in s do
|  |  if ch = open bracket then
|  |     push ch onto stack
|  |  else if ch = closing bracket then
|  |  |  if stack is empty then
|  |  |     return FALSE                    // opening bracket missing (case 1)
|  |  |  else
|  |  |     pop top of stack
|  |  |     if brackets do not match then
|  |  |        return FALSE                 // wrong closing bracket (case 2)
|  |  |     end if
|  |  |  end if
|  |  end if
|  end for
|  if stack is not empty then return FALSE  // some brackets unmatched (case 3)
|                        else return TRUE