Return to Statement

Detect Undeclared Variables Example

This example demonstrates the usage of the GRIPSW/DECLRV statement in a program.

   NUMBER/A,B
   STRING/STR(2,30),NAME(6)
   GRIPSW/DECLRV
   .
   .
   .
   A = 10
   NUM = A + B
   PRINT/NUM
   .
   .
   .
   HALT
   After Compilation:
   NUMBER/A,B
   STRING/STR(2,30),NAME(6)
   GRIPSW/DECLRV
   .
   .
   .
   A = 10
   NUM = A + B
   *
   **ERROR NO. 62
   PRINT/NUM
   *
   **ERROR NO. 62
   .
   .
   .
   HALT