/* Complex classes & arrays */
/* Contains semantic errors */

class base {
   int x;
   int y[];
}

class mid {
   base w[];
   boolean z;
}

class complex {
   base x;
   mid v;
   mid w[][];
}

void main() {
   boolean v;
   base x;
   mid y;
   complex z;
   int IntArray1[][][];
   int IntArray2[][];
   int IntArray3[];
 
   IntArray1[1][2] = IntArray2; /* Type mismatch on assignment */
   IntArray1[1] = IntArray3;    /* Type mismatch on assignment */ 
   z.v.z = 4;                   /* Type mismatch -- int/bool */
   IntArray3[z.v.z] = 5;        /* Array index is boolean, not integer */
   z.w[4].z = true;             /* z is not a field of z.w[4]   */
                                /* (May cause some cascading errors) */
   z.v.z = x.x;                 /* Type mismatch -- int/bool */
   w[3].x = 4;                  /* variable w does not exists */
                                /* (May cause some cascading errors) */
   z.y = 3;                     /*  Variable does not have filed y */
                                /* (May cause some cascading errors) */
   x[3] = 5;                    /*  x is not an array variable      */
                                /* (May cause some cascading errors) */
   v.x = q;                     /* Variable q does not exist, variable
                                   v is not a class variable  */
   base.x = 3;                  /* base is not a variable */
   { 
     int w;                     
      w++;           
   }
   w++;                         /* variable w doesn't appear in this scope */
}