Interpreters101_Thegccway

Interpreters101_Thegccway.cpp

/*
The gcc way
*/
#define DISPATCH() \
   { goto *op_table[*((stringOfBytecode)++) - 'a']; }

static void interpreter_the_gcc_way(const char* stringOfBytecode) {
	static void* op_table[] = {
		&&op_a, &&op_b, &&op_c, &&op_d, &&op_e
	};
	DISPATCH();
	op_a: printf("Hell"); DISPATCH();
	op_b: printf("o"); DISPATCH();
	op_c: printf(" w"); DISPATCH();
	op_d: printf("rld!\n"); DISPATCH();
	op_e: return;
}