MSP430 IAR C/C++ Compiler reference guide - Rice University

C language extensionsint test(int x){if (x){extern int y;y = 1;}●return y;}Expanding function names into strings with the function as contextUse any of the symbols __func__ or __FUNCTION__ inside a function body tomake it expand into a string, with the function name as context. Use the symbol__PRETTY_FUNCTION__ to also include the parameter types and return type. Theresult might, for example, look like this if you use the __PRETTY_FUNCTION__symbol:"void func(char)"These symbols are useful for assertions and other trace utilities and they require thatlanguage extensions are enabled, see -e, page 150.188MSP430 IAR C/C++ CompilerReference Guide