static term_t parse_cmd_line(heap_t *hp, int8_t *cmd_line) { term_t args = nil; int8_t *p = cmd_line; while (*p != 0) { while (*p == ' ') p++; int8_t *token1, *token2; if (*p == '\'' || *p == '"') { int8_t quote = *p++; token1 = p; while (*p != 0 && *p != quote) p++; token2 = p; if (*p != 0) p++; } else { token1 = p; while (*p != 0 && *p != ' ') p++; token2 = p; } uint8_t *data; term_t bin = heap_make_bin(hp, token2 -token1, &data); memcpy(data, token1, token2 -token1); args = heap_cons(hp, bin, args); } return list_rev(args, hp); }
int main() { #ifdef TEST1 NodeP head, tail; list_init(&head, &tail); printf("--- test1\n-- creating the list:\n 20 19 .. 1 1 2 .. 10\n"); for (int i = 0; i < SIZE_TEST1 - 10; i++) list_insert(&head, &tail, i+1); for (int i = 0; i < SIZE_TEST1 - 20; i++) list_append(&head, &tail, i+1); list_print_head(&head); printf("-- replace 10th node with 1337\n"); printf("press key to continue: "); getchar(); list_insert_at(&head, 10, 1337); list_print_head(&head); printf("-- deleting head and tail\n"); printf("press key to continue: "); getchar(); list_del_at(&head, &tail, 1); // 1 -->head list_del_at(&head, &tail, 0); // <1 -->tail list_print_head(&head); printf("-- inserting 20 at head, 10 at tail\n"); printf("press key to continue: "); getchar(); list_insert(&head, &tail, 20); list_append(&head, &tail, 10); list_print_head(&head); printf("-- reversing head to tail list\n"); list_rev(&head); list_print_head(&head); //list_print_head(&head); //printf("%d\n", head->next->data); printf("-- deleting list and attempting to print\n\n"); list_del(&head); list_print_head(&head); // once deleted, the list becomes unusable #endif #ifdef TEST2 printf("--- test2\n"); NodeP head2, tail2; list_init(&head2, &tail2); for (int i = 0; i < SIZE_TEST2; i++) list_insert(&head2, &tail2, i); #endif #if defined TEST2 && defined TEST3 // traverse and insert at end printf("--- test3\n"); int toInsert = 0; // essentially traveral beginning to end list_insert_at(&head2, SIZE_TEST2 - 1, toInsert); printf("-- inserted %d, traversed to %d\n", toInsert, tail2->data); #endif return 0; }
term_t cbif_process_info2(proc_t *proc, term_t *regs) { term_t Pid = regs[0]; term_t What = regs[1]; if (!is_short_pid(Pid)) badarg(Pid); if (!is_atom(What)) badarg(What); proc_t *probe = scheduler_lookup(Pid); if (probe == 0) return A_UNDEFINED; term_t val; if (What == A_BACKTRACE) { //TODO: current stack trace is not enough val = A_UNDEFINED; } else if (What == A_BINARY) { //NB: BinInfo is documented to be a list, yet its contents is unspesfied val = int_to_term(probe->hp.total_pb_size, &probe->hp); } else if (What == A_CATCHLEVEL) { assert(fits_int(probe->catch_level)); val = tag_int(probe->catch_level); } else if (What == A_CURRENT_FUNCTION) { // NB: probe->cap.ip is valid even if proc == probe uint32_t *fi = backstep_to_func_info(probe->cap.ip); val = heap_tuple3(&proc->hp, fi[1], fi[2], tag_int(fi[3])); } else if (What == A_CURRENT_LOCATION) { // NB: probe->cap.ip is valid even if proc == probe uint32_t *fi = backstep_to_func_info(probe->cap.ip); term_t loc = nil; char fname[256]; uint32_t line = code_base_source_line(probe->cap.ip, fname, sizeof(fname)); if (line != 0) { term_t f = heap_strz(&proc->hp, fname); term_t t1 = heap_tuple2(&proc->hp, A_FILE, f); term_t t2 = heap_tuple2(&proc->hp, A_LINE, tag_int(line)); loc = heap_cons(&proc->hp, t2, nil); loc = heap_cons(&proc->hp, t1, loc); } val = heap_tuple4(&proc->hp, fi[1], fi[2], tag_int(fi[3]), loc); } else if (What == A_CURRENT_STACKTRACE) { val = probe->stack_trace; if (probe != proc) { int x = heap_copy_terms_N(&proc->hp, &val, 1); if (x < 0) fail(err_to_term(x)); } } else if (What == A_DICTIONARY) { val = probe->dictionary; if (probe != proc) { int x = heap_copy_terms_N(&proc->hp, &val, 1); if (x < 0) fail(err_to_term(x)); } } else if (What == A_ERROR_HANDLER) val = A_ERROR_HANDLER; else if (What == A_GARBAGE_COLLECTION) { //TODO val = A_UNDEFINED; } else if (What == A_GROUP_LEADER) val = probe->group_leader; else if (What == A_HEAP_SIZE) val = int_to_term(probe->hp.total_size, &proc->hp); else if (What == A_INITIAL_CALL) { val = (probe->init_call_mod == noval) ?A_UNDEFINED :heap_tuple3(&proc->hp, probe->init_call_mod, probe->init_call_func, tag_int(probe->init_call_arity)); } else if (What == A_LINKS) { term_t ids = nil; plink_t *pl = probe->links.active; while (pl != 0) { ids = heap_cons(&proc->hp, pl->id, ids); pl = pl->next; } val = ids; } else if (What == A_LAST_CALLS) { //TODO val = A_FALSE; } else if (What == A_MEMORY) { int pages = 0; pages += probe->home_node->index; pages += probe->stack_node->index; memnode_t *node = probe->hp.nodes; while (node != 0) { pages += node->index; node = node->next; } node = probe->mailbox.nodes; while (node != 0) { pages += node->index; node = node->next; } node = probe->links.nodes; while (node != 0) { pages += node->index; node = node->next; } int bytes = pages * PAGE_SIZE; val = int_to_term(bytes, &proc->hp); } else if (What == A_MESSAGE_BINARY) { //TODO val = A_UNDEFINED; } else if (What == A_MESSAGE_QUEUE_LEN) { int len = msg_queue_len(&probe->mailbox); assert(fits_int(len)); val = tag_int(len); } else if (What == A_MESSAGES) { int messages = nil; message_t *msg = probe->mailbox.head; while (msg != 0) { term_t marsh_body = msg->body; if (probe != proc) { int x = heap_copy_terms_N(&proc->hp, &marsh_body, 1); if (x < 0) fail(err_to_term(x)); } messages = heap_cons(&proc->hp, marsh_body, messages); msg = msg->next; } val = list_rev(messages, &proc->hp); } else if (What == A_MIN_HEAP_SIZE) val = tag_int(INIT_HEAP_SIZE); else if (What == A_MIN_BIN_VHEAP_SIZE) { //TODO val = A_UNDEFINED; } else if (What == A_MONITORED_BY) val = list_monitored_by(probe->pid, &proc->hp); else if (What == A_MONITORS) val = list_monitors(probe->pid, &proc->hp); else if (What == A_PRIORITY) val = probe->priority; else if (What == A_REDUCTIONS) val = int_to_term(probe->total_reds, &proc->hp); else if (What == A_REGISTERED_NAME) { val = probe->name; if (val == noval) return nil; // be backward compatible } else if (What == A_SEQUENTIAL_TRACE_TOKEN) { //TODO val = A_UNDEFINED; } else if (What == A_STACK_SIZE) { int ss = proc_stack_bottom(probe) - proc_stack_top(probe); assert(fits_int(ss)); val = tag_int(ss); } else if (What == A_STATUS) { if (probe->my_queue == MY_QUEUE_NORMAL || probe->my_queue == MY_QUEUE_HIGH || probe->my_queue == MY_QUEUE_LOW) val = A_RUNNABLE; else if (probe->my_queue == MY_QUEUE_INF_WAIT || probe->my_queue == MY_QUEUE_TIMED_WAIT) val = A_WAITING; else { assert(probe->my_queue == MY_QUEUE_NONE); val = A_RUNNING; } } else if (What == A_SUSPENDING) { //TODO val = nil; } else if (What == A_TOTAL_HEAP_SIZE) { int ss = proc_stack_bottom(probe) - proc_stack_top(probe); int ths = probe->hp.total_size + ss; assert(fits_int(ths)); val = tag_int(ths); } else if (What == A_TRACE) { //TODO val = A_UNDEFINED; } else if (What == A_TRAP_EXIT) val = probe->trap_exit; else badarg(What); return heap_tuple2(&proc->hp, What, val); }