| 1 | #include <stdio.h> |
| 2 | #include <lightning.h> |
| 3 | |
| 4 | static jit_state_t *_jit; |
| 5 | |
| 6 | typedef int (*pifi)(int); /* Pointer to Int Function of Int */ |
| 7 | |
| 8 | int main(int argc, char *argv[]) |
| 9 | { |
| 10 | jit_node_t *in; |
| 11 | pifi incr; |
| 12 | |
| 13 | init_jit(argv[0]); |
| 14 | _jit = jit_new_state(); |
| 15 | |
| 16 | jit_prolog(); /* @t{ prolog } */ |
| 17 | in = jit_arg(); /* @t{ in = arg } */ |
| 18 | jit_getarg(JIT_R0, in); /* @t{ getarg R0 } */ |
| 19 | jit_addi(JIT_R0, JIT_R0, 1); /* @t{ addi R0\, R0\, 1 } */ |
| 20 | jit_retr(JIT_R0); /* @t{ retr R0 } */ |
| 21 | |
| 22 | incr = jit_emit(); |
| 23 | jit_clear_state(); |
| 24 | |
| 25 | /* call the generated code\, passing 5 as an argument */ |
| 26 | printf("%d + 1 = %d\n", 5, incr(5)); |
| 27 | |
| 28 | jit_destroy_state(); |
| 29 | finish_jit(); |
| 30 | return 0; |
| 31 | } |