X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=tools%2Fccanlint%2Fccanlint.c;h=5f443d6fafd4ec4f9cbea5b62ebf054be0d92a98;hp=15d131e20073c2106ec2963d07a2ed76c5492730;hb=939fab341caaa06d032b29f06362335de0db82cc;hpb=100444225380d3f5ca29424ea54703d308c7c651

diff --git a/tools/ccanlint/ccanlint.c b/tools/ccanlint/ccanlint.c
index 15d131e2..5f443d6f 100644
--- a/tools/ccanlint/ccanlint.c
+++ b/tools/ccanlint/ccanlint.c
@@ -31,6 +31,8 @@
 #include <ccan/talloc/talloc.h>
 #include <ccan/opt/opt.h>
 #include <ccan/foreach/foreach.h>
+#include <ccan/grab_file/grab_file.h>
+#include <ccan/cast/cast.h>
 
 int verbose = 0;
 static LIST_HEAD(compulsory_tests);
@@ -41,6 +43,12 @@ static struct btree *cmdline_exclude;
 static struct btree *info_exclude;
 static unsigned int timeout;
 
+/* These are overridden at runtime if we can find config.h */
+const char *compiler = NULL;
+const char *cflags = NULL;
+
+const char *config_header;
+
 #if 0
 static void indent_print(const char *string)
 {
@@ -149,11 +157,13 @@ static bool run_test(struct ccanlint *i,
 	}
 
 	if ((!quiet && !score->pass) || verbose) {
-		if (score->error)
-			printf("%s", score->error);
-		if (!quiet && !score->pass && i->handle)
-			i->handle(m, score);
+		if (score->error) {
+			printf("%s%s", score->error,
+			       strends(score->error, "\n") ? "" : "\n");
+		}
 	}
+	if (!quiet && score->score < score->total && i->handle)
+		i->handle(m, score);
 
 	*running_score += score->score;
 	*running_total += score->total;
@@ -176,6 +186,8 @@ static bool run_test(struct ccanlint *i,
 static void register_test(struct list_head *h, struct ccanlint *test)
 {
 	list_add(h, &test->list);
+	test->options = talloc_array(NULL, char *, 1);
+	test->options[0] = NULL;
 }
 
 /**
@@ -210,6 +222,13 @@ static struct ccanlint *find_test(const char *key)
 	return NULL;
 }
 
+bool is_excluded(const char *name)
+{
+	return btree_lookup(cmdline_exclude, name) != NULL
+		|| btree_lookup(info_exclude, name) != NULL
+		|| find_test(name)->skip != NULL;
+}
+
 #undef REGISTER_TEST
 #define REGISTER_TEST(name, ...) extern struct ccanlint name
 #include "generated-normal-tests"
@@ -275,24 +294,29 @@ static void init_tests(void)
 	}
 	btree_delete(keys);
 	btree_delete(names);
+}
 
-	if (!verbose)
-		return;
+static void print_test_depends(void)
+{
+	struct list_head *list;
 
 	foreach_ptr(list, &compulsory_tests, &normal_tests) {
+		struct ccanlint *c;
 		printf("\%s Tests\n",
 		       list == &compulsory_tests ? "Compulsory" : "Normal");
 
-		if (!list_empty(&c->dependencies)) {
-			const struct dependent *d;
-			printf("These depend on us:\n");
-			list_for_each(&c->dependencies, d, node)
-				printf("\t%s\n", d->dependent->name);
+		list_for_each(list, c, list) {
+			if (!list_empty(&c->dependencies)) {
+				const struct dependent *d;
+				printf("These depend on %s:\n", c->key);
+				list_for_each(&c->dependencies, d, node)
+					printf("\t%s\n", d->dependent->key);
+			}
 		}
 	}
 }
 
-static int show_tmpdir(char *dir)
+static int show_tmpdir(const char *dir)
 {
 	printf("You can find ccanlint working files in '%s'\n", dir);
 	return 0;
@@ -394,11 +418,30 @@ static char **collapse(char **lines, unsigned int *nump)
 		if (lines[i][0])
 			lines[j++] = lines[i];
 	}
+	lines[j] = NULL;
 	if (nump)
 		*nump = j;
 	return lines;
 }
 
+
+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 = talloc_array_length(test->options) - 1;
+
+	test->options = talloc_realloc(NULL, test->options,
+				       char *,
+				       num + num_options + 1);
+	memcpy(&test->options[num], options, (num_options + 1)*sizeof(char *));
+}
+
 static void add_info_options(struct ccan_file *info, bool mark_fails)
 {
 	struct doc_section *d;
@@ -410,9 +453,10 @@ static void add_info_options(struct ccan_file *info, bool mark_fails)
 			continue;
 
 		for (i = 0; i < d->num_lines; i++) {
+			unsigned int num_words;
 			char **words = collapse(strsplit(d, d->lines[i], " \t"),
-						NULL);
-			if (!words[0])
+						&num_words);
+			if (num_words == 0)
 				continue;
 
 			if (strncmp(words[0], "//", 2) == 0)
@@ -439,14 +483,49 @@ static void add_info_options(struct ccan_file *info, bool mark_fails)
 				if (!test->takes_options)
 					warnx("%s: %s doesn't take options",
 					      info->fullname, words[0]);
-				/* Copy line exactly into options. */
-				test->options = strstr(d->lines[i], words[0])
-					+ strlen(words[0]);
+				add_options(test, words+1, num_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 = talloc_array(f, char *, talloc_array_length(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 = talloc_array(f, char *, 2);
+			ret[0] = (char *)"FAIL";
+			ret[1] = NULL;
+			return ret;
+		}
+		ret[j++] = optname;
+	}
+	ret[j] = NULL;
+
+	/* Shrink it to size so talloc_array_length() works as expected. */
+	return talloc_realloc(NULL, ret, char *, j + 1);
+}
+
 static bool depends_on(struct ccanlint *i, struct ccanlint *target)
 {
 	const struct dependent *d;
@@ -473,9 +552,108 @@ static void skip_unrelated_tests(struct ccanlint *target)
 				i->skip = "not relevant to target";
 }
 
+static char *demangle_string(char *string)
+{
+	unsigned int i;
+	const char mapfrom[] = "abfnrtv";
+	const char mapto[] = "\a\b\f\n\r\t\v";
+
+	if (!strchr(string, '"'))
+		return NULL;
+	string = strchr(string, '"') + 1;
+	if (!strrchr(string, '"'))
+		return NULL;
+	*strrchr(string, '"') = '\0';
+
+	for (i = 0; i < strlen(string); i++) {
+		if (string[i] == '\\') {
+			char repl;
+			unsigned len = 0;
+			const char *p = strchr(mapfrom, string[i+1]);
+			if (p) {
+				repl = mapto[p - mapfrom];
+				len = 1;
+			} else if (strlen(string+i+1) >= 3) {
+				if (string[i+1] == 'x') {
+					repl = (string[i+2]-'0')*16
+						+ string[i+3]-'0';
+					len = 3;
+				} else if (cisdigit(string[i+1])) {
+					repl = (string[i+2]-'0')*8*8
+						+ (string[i+3]-'0')*8
+						+ (string[i+4]-'0');
+					len = 3;
+				}
+			}
+			if (len == 0) {
+				repl = string[i+1];
+				len = 1;
+			}
+
+			string[i] = repl;
+			memmove(string + i + 1, string + i + len + 1,
+				strlen(string + i + len + 1) + 1);
+		}
+	}
+
+	return string;
+}
+
+
+static void read_config_header(void)
+{
+	char *fname = talloc_asprintf(NULL, "%s/config.h", ccan_dir);
+	char **lines;
+	unsigned int i;
+
+	config_header = grab_file(NULL, fname, NULL);
+	if (!config_header) {
+		talloc_free(fname);
+		return;
+	}
+
+	lines = strsplit(config_header, config_header, "\n");
+	for (i = 0; i < talloc_array_length(lines) - 1; i++) {
+		char *sym;
+		const char **line = (const char **)&lines[i];
+
+		if (!get_token(line, "#"))
+			continue;
+		if (!get_token(line, "define"))
+			continue;
+		sym = get_symbol_token(lines, line);
+		if (streq(sym, "CCAN_COMPILER") && !compiler) {
+			compiler = demangle_string(lines[i]);
+			if (!compiler)
+				errx(1, "%s:%u:could not parse CCAN_COMPILER",
+				     fname, i+1);
+			if (verbose > 1)
+				printf("%s: compiler set to '%s'\n",
+				       fname, compiler);
+		} else if (streq(sym, "CCAN_CFLAGS") && !cflags) {
+			cflags = demangle_string(lines[i]);
+			if (!cflags)
+				errx(1, "%s:%u:could not parse CCAN_CFLAGS",
+				     fname, i+1);
+			if (verbose > 1)
+				printf("%s: compiler flags set to '%s'\n",
+				       fname, cflags);
+		}
+	}
+	if (!compiler)
+		compiler = CCAN_COMPILER;
+	if (!cflags)
+		compiler = CCAN_CFLAGS;
+}
+
+static char *opt_set_const_charp(const char *arg, const char **p)
+{
+	return opt_set_charp(arg, cast_const2(char **, p));
+}
+
 int main(int argc, char *argv[])
 {
-	bool summary = false;
+	bool summary = false, pass = true;
 	unsigned int score = 0, total_score = 0;
 	struct manifest *m;
 	struct ccanlint *i;
@@ -510,6 +688,10 @@ int main(int argc, char *argv[])
 	opt_register_arg("--target <testname>", opt_set_charp,
 			 NULL, &target,
 			 "only run one test (and its prerequisites)");
+	opt_register_arg("--compiler <compiler>", opt_set_const_charp,
+			 NULL, &compiler, "set the compiler");
+	opt_register_arg("--cflags <flags>", opt_set_const_charp,
+			 NULL, &cflags, "set the compiler flags");
 	opt_register_noarg("-?|-h|--help", opt_usage_and_exit,
 			   "\nA program for checking and guiding development"
 			   " of CCAN modules.",
@@ -527,12 +709,15 @@ int main(int argc, char *argv[])
 		dir[strlen(dir)-1] = '\0';
 	if (dir != base_dir)
 		prefix = talloc_append_string(talloc_basename(NULL, dir), ": ");
-	if (verbose >= 3)
+	if (verbose >= 3) {
 		compile_verbose = true;
+		print_test_depends();
+	}
 	if (verbose >= 4)
 		tools_verbose = true;
 
 	m = get_manifest(talloc_autofree_context(), dir);
+	read_config_header();
 
 	/* Create a symlink from temp dir back to src dir's test directory. */
 	if (symlink(talloc_asprintf(m, "%s/test", dir),
@@ -557,11 +742,12 @@ int main(int argc, char *argv[])
 	}
 
 	/* --target overrides known FAIL from _info */
-	add_info_options(m->info_file, !target);
+	if (m->info_file)
+		add_info_options(m->info_file, !target);
 
 	while ((i = get_next_test(&normal_tests)) != NULL)
-		run_test(i, summary, &score, &total_score, m);
+		pass &= run_test(i, summary, &score, &total_score, m);
 
 	printf("%sTotal score: %u/%u\n", prefix, score, total_score);
-	return 0;
+	return pass ? 0 : 1;
 }