With this FORTH-pagage it is possible to test all C-applications interactively without debugger. The Kernel have integrated an interpreter and compiler.
The Compiler is extendabel in FORTH itself. The porting for the PSoC 6 is also planned.
If you would like to know more about FORTH, you will find the classic Starting-FORTH and Thinking-FORTH by Leo Brodie:
The Definition of ANS FORTH you can find here: http://lars.nocrew.org/dpans/dpans.htm
If you want to know more about Mecrisp-Stellaris you are right here: