+ printf("Tests:\n");
+ /* This makes them print in topological order. */
+ while ((i = get_next_test()) != NULL) {
+ printf(" %-25s %s\n", i->key, i->name);
+ dgraph_clear_node(&i->node);
+ strmap_del(&tests, i->key, NULL);
+ }
+ exit(0);
+}
+
+static bool draw_test(const char *member UNNEEDED,
+ struct ccanlint *c, const char *style)
+{
+ /*
+ * todo: escape labels in case ccanlint test keys have
+ * characters interpreted as GraphViz syntax.
+ */
+ printf("\t\"%p\" [label=\"%s\"%s]\n", c, c->key, style);
+ return true;
+}
+
+static void test_dgraph_vertices(const char *style)
+{
+ strmap_iterate(&tests, draw_test, style);
+}
+
+static bool draw_edges(const char *member UNNEEDED,
+ struct ccanlint *c, void *unused UNNEEDED)
+{
+ struct dgraph_edge *e;
+
+ dgraph_for_each_edge(&c->node, e, DGRAPH_FROM) {
+ struct ccanlint *to = container_of(e->n[DGRAPH_TO],
+ struct ccanlint,
+ node);
+ printf("\t\"%p\" -> \"%p\"\n", c->name, to->name);
+ }
+ return true;
+}
+
+static void test_dgraph_edges(void)
+{
+ strmap_iterate(&tests, draw_edges, NULL);
+}
+
+static char *test_dependency_graph(void *arg UNNEEDED)
+{
+ puts("digraph G {");
+
+ test_dgraph_vertices("");
+ test_dgraph_edges();
+
+ puts("}");
+
+ exit(0);
+}
+
+static void add_options(struct ccanlint *test, char **options,
+ unsigned int num_options)
+{
+ unsigned int num;
+
+ if (!test->options)
+ num = 0;
+ else
+ /* -1, because last one is NULL. */
+ num = tal_count(test->options) - 1;
+
+ tal_resize(&test->options, num + num_options + 1);
+ memcpy(&test->options[num], options, (num_options + 1)*sizeof(char *));
+}
+
+void add_info_options(struct ccan_file *info)
+{
+ struct doc_section *d;
+ unsigned int i;
+ struct ccanlint *test;
+
+ list_for_each(get_ccan_file_docs(info), d, list) {
+ if (!streq(d->type, "ccanlint"))
+ continue;
+
+ for (i = 0; i < d->num_lines; i++) {
+ char **words = tal_strsplit(d, d->lines[i], " \t",
+ STR_NO_EMPTY);
+ if (!words[0])
+ continue;
+
+ if (strncmp(words[0], "//", 2) == 0)
+ continue;
+
+ test = find_test(words[0]);
+ if (!test) {
+ warnx("%s: unknown ccanlint test '%s'",
+ info->fullname, words[0]);
+ continue;
+ }
+
+ if (!words[1]) {
+ warnx("%s: no argument to test '%s'",
+ info->fullname, words[0]);
+ continue;
+ }
+
+ /* Known failure? */
+ if (strcasecmp(words[1], "FAIL") == 0) {
+ if (!targeting)
+ skip_test_and_deps(test,
+ "excluded in _info"
+ " file");
+ } else {
+ if (!test->takes_options)
+ warnx("%s: %s doesn't take options",
+ info->fullname, words[0]);
+ add_options(test, words+1, tal_count(words)-1);
+ }
+ }
+ }
+}
+
+/* If options are of form "filename:<option>" they only apply to that file */
+char **per_file_options(const struct ccanlint *test, struct ccan_file *f)
+{
+ char **ret;
+ unsigned int i, j = 0;
+
+ /* Fast path. */
+ if (!test->options[0])
+ return test->options;
+
+ ret = tal_arr(f, char *, tal_count(test->options));
+ for (i = 0; test->options[i]; i++) {
+ char *optname;
+
+ if (!test->options[i] || !strchr(test->options[i], ':')) {
+ optname = test->options[i];
+ } else if (strstarts(test->options[i], f->name)
+ && test->options[i][strlen(f->name)] == ':') {
+ optname = test->options[i] + strlen(f->name) + 1;
+ } else
+ continue;
+
+ /* FAIL overrides anything else. */
+ if (streq(optname, "FAIL")) {
+ ret = tal_arr(f, char *, 2);
+ ret[0] = (char *)"FAIL";
+ ret[1] = NULL;
+ return ret;