Programming instructions

Reference
Project Lead The Way © and Carnegie Mellon Robotics Academy © / For use with VEX
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Robotics Systems
Error Messages in ROBOTC Code • 5
Common Warning Messages
Warning messages are used to notify you about possible programming and logic errors in
your program. With warning messages, the compiler is able to x or ignore the issues so
they will not prevent your program from compiling or downloading to your robot.
A common occurrence of warning messages are empty, innite loops in your code. In the
example below, the an innite loop is created, with no code embedded within the loop to stop
it from repeating forever. This is considered a warning, rather than an error, because it is
valid code and can be intentionally used by a programmer.
The warning message will inform you that there was a possible programming error caused
by an innite loop: “*Warning*:Possible programming error. Innite loop (unconditional
branch to itself) detected.”
Error Messages in ROBOTC Code
If creating an innite loop was your intention, you do not need to correct this message. If it was not
intentional, you can:
1. Include code within the curly braces of the while loop, for it to repeat.
2. Change the condition of the while loop, so that it does not repeat forever.
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