Some of the debugging utilities

debugging_utilities.c

#ifdef assert
#undef assert
#endif
                            
#define assert(expr,i) \
    if (!(expr)) { \
        std::cerr << "Error at line " << __LINE__ << ": " \
            <<  "assert(" #expr ");" <<"value of i: "<<i<< std::endl; \
        exit(EXIT_FAILURE); \
    }

#define dbg(fmt, ...) \
    fprintf(stderr, "%s[%d]: " fmt "\n", __FILE__, __LINE__, ## __VA_ARGS__)

/*----------another utility---------------*/
__PRETTY_FUNCTION__

/*----------chrome console like utility---------------*/
/* FOR DEBUGGING PURPOSE ONLY */

// https://en.wikipedia.org/wiki/ANSI_escape_code#Colors
#define ANSI_COLOR_RED     "\x1b[31m"
#define ANSI_COLOR_GREEN   "\x1b[32m"
#define ANSI_COLOR_YELLOW  "\x1b[33m"
#define ANSI_COLOR_BLUE    "\x1b[34m"
#define ANSI_COLOR_MAGENTA "\x1b[35m"
#define ANSI_COLOR_CYAN    "\x1b[36m"
#define ANSI_COLOR_RESET   "\x1b[0m"

const char *lastFile;

static void printFuncLineNum(const char *fileName, const size_t lineNum){
    static int lastCount = 0;
    static size_t lastLine = 0;

    if(lastFile == fileName && lineNum == lastLine){
        fprintf(stderr, "\r" ANSI_COLOR_CYAN "(%d):" ANSI_COLOR_RESET,lastCount++);
    }
    else{
        fprintf(stderr, "\n");
        lastCount = 0;
        lastFile = fileName;
        lastLine = lineNum;
    }
    fprintf(stderr, ANSI_COLOR_YELLOW "%s[%zu]:" ANSI_COLOR_RESET, fileName, lineNum);

}

#define dbg(fmt, ...) \
    do{ \
        printFuncLineNum(__FILE__, __LINE__); \
        fprintf(stderr,fmt,## __VA_ARGS__); \
    }while(0)

/* FOR DEBUGGING PURPOSE ONLY */