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@@ -0,0 +1,282 @@
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+#include "config.h"
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+#include "manifest.h"
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+#include "tools.h"
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+#include <ccan/talloc/talloc.h>
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+#include <ccan/str/str.h>
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+#include <ccan/str_talloc/str_talloc.h>
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+#include <ccan/talloc_link/talloc_link.h>
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+#include <ccan/hash/hash.h>
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+#include <ccan/htable/htable_type.h>
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+#include <ccan/grab_file/grab_file.h>
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+#include <ccan/noerr/noerr.h>
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+#include <ccan/foreach/foreach.h>
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+#include <ccan/asort/asort.h>
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+#include <ccan/array_size/array_size.h>
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+#include <unistd.h>
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <fcntl.h>
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+#include <err.h>
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+#include <errno.h>
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+#include <dirent.h>
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+#include <ctype.h>
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+#include <stdarg.h>
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+#include <assert.h>
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+
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+const char *ccan_dir;
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+
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+static size_t dir_hash(const char *name)
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+{
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+ return hash(name, strlen(name), 0);
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+}
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+
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+static const char *manifest_name(const struct manifest *m)
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+{
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+ return m->dir;
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+}
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+
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+static bool dir_cmp(const struct manifest *m, const char *dir)
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+{
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+ return strcmp(m->dir, dir) == 0;
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+}
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+
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+HTABLE_DEFINE_TYPE(struct manifest, manifest_name, dir_hash, dir_cmp,
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+ htable_manifest);
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+static struct htable_manifest *manifests;
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+
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+const char *get_ccan_file_contents(struct ccan_file *f)
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+{
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+ if (!f->contents) {
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+ f->contents = grab_file(f, f->fullname, &f->contents_size);
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+ if (!f->contents)
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+ err(1, "Reading file %s", f->fullname);
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+ }
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+ return f->contents;
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+}
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+
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+char **get_ccan_file_lines(struct ccan_file *f)
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+{
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+ if (!f->lines)
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+ f->lines = strsplit(f, get_ccan_file_contents(f), "\n");
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+
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+ /* FIXME: is f->num_lines necessary? */
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+ f->num_lines = talloc_array_length(f->lines) - 1;
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+ return f->lines;
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+}
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+
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+struct ccan_file *new_ccan_file(const void *ctx, const char *dir, char *name)
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+{
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+ struct ccan_file *f;
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+ unsigned int i;
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+
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+ assert(dir[0] == '/');
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+
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+ f = talloc(ctx, struct ccan_file);
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+ f->lines = NULL;
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+ f->line_info = NULL;
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+ f->doc_sections = NULL;
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+ for (i = 0; i < ARRAY_SIZE(f->compiled); i++)
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+ f->compiled[i] = NULL;
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+ f->name = talloc_steal(f, name);
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+ f->fullname = talloc_asprintf(f, "%s/%s", dir, f->name);
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+ f->contents = NULL;
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+ f->simplified = NULL;
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+ return f;
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+}
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+
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+static void add_files(struct manifest *m, const char *dir)
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+{
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+ DIR *d;
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+ struct dirent *ent;
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+ char **subs = NULL;
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+
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+ if (dir[0])
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+ d = opendir(dir);
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+ else
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+ d = opendir(".");
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+ if (!d)
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+ err(1, "Opening directory %s", dir[0] ? dir : ".");
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+
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+ while ((ent = readdir(d)) != NULL) {
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+ struct stat st;
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+ struct ccan_file *f;
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+ struct list_head *dest;
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+ bool is_c_src;
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+
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+ if (ent->d_name[0] == '.')
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+ continue;
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+
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+ f = new_ccan_file(m, m->dir,
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+ talloc_asprintf(m, "%s%s",
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+ dir, ent->d_name));
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+ if (lstat(f->name, &st) != 0)
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+ err(1, "lstat %s", f->name);
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+
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+ if (S_ISDIR(st.st_mode)) {
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+ size_t len = talloc_array_length(subs);
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+ subs = talloc_realloc(m, subs, char *, len+1);
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+ subs[len] = talloc_append_string(f->name, "/");
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+ continue;
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+ }
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+ if (!S_ISREG(st.st_mode)) {
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+ talloc_free(f);
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+ continue;
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+ }
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+
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+ if (streq(f->name, "_info")) {
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+ m->info_file = f;
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+ continue;
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+ }
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+
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+ is_c_src = strends(f->name, ".c");
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+ if (!is_c_src && !strends(f->name, ".h")) {
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+ dest = &m->other_files;
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+ } else if (!strchr(f->name, '/')) {
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+ if (is_c_src)
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+ dest = &m->c_files;
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+ else
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+ dest = &m->h_files;
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+ } else if (strstarts(f->name, "test/")) {
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+ if (is_c_src) {
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+ if (strstarts(f->name, "test/api"))
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+ dest = &m->api_tests;
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+ else if (strstarts(f->name, "test/run"))
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+ dest = &m->run_tests;
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+ else if (strstarts(f->name, "test/compile_ok"))
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+ dest = &m->compile_ok_tests;
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+ else if (strstarts(f->name, "test/compile_fail"))
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+ dest = &m->compile_fail_tests;
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+ else
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+ dest = &m->other_test_c_files;
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+ } else
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+ dest = &m->other_test_files;
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+ } else
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+ dest = &m->other_files;
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+
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+ list_add(dest, &f->list);
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+ }
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+ closedir(d);
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+
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+ /* Before we recurse, sanity check this is a ccan module. */
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+ if (!dir[0]) {
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+ size_t i;
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+
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+ if (!m->info_file
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+ && list_empty(&m->c_files)
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+ && list_empty(&m->h_files))
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+ errx(1, "No _info, C or H files found here!");
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+
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+ for (i = 0; i < talloc_array_length(subs); i++)
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+ add_files(m, subs[i]);
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+ }
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+ talloc_free(subs);
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+}
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+
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+static int cmp_names(struct ccan_file *const *a, struct ccan_file *const *b,
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+ void *unused)
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+{
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+ return strcmp((*a)->name, (*b)->name);
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+}
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+
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+static void sort_files(struct list_head *list)
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+{
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+ struct ccan_file **files = NULL, *f;
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+ unsigned int i, num;
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+
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+ num = 0;
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+ while ((f = list_top(list, struct ccan_file, list)) != NULL) {
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+ files = talloc_realloc(NULL, files, struct ccan_file *, num+1);
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+ files[num++] = f;
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+ list_del(&f->list);
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+ }
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+ asort(files, num, cmp_names, NULL);
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+
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+ for (i = 0; i < num; i++)
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+ list_add_tail(list, &files[i]->list);
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+ talloc_free(files);
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+}
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+
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+struct manifest *get_manifest(const void *ctx, const char *dir)
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+{
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+ struct manifest *m;
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+ char *olddir, *canon_dir;
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+ unsigned int len;
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+ struct list_head *list;
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+
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+ if (!manifests) {
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+ manifests = talloc(NULL, struct htable_manifest);
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+ htable_manifest_init(manifests);
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+ }
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+
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+ olddir = talloc_getcwd(NULL);
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+ if (!olddir)
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+ err(1, "Getting current directory");
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+
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+ if (chdir(dir) != 0)
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+ err(1, "Failed to chdir to %s", dir);
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+
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+ canon_dir = talloc_getcwd(olddir);
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+ if (!canon_dir)
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+ err(1, "Getting current directory");
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+
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+ m = htable_manifest_get(manifests, canon_dir);
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+ if (m)
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+ goto done;
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+
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+ m = talloc_linked(ctx, talloc(NULL, struct manifest));
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+ m->info_file = NULL;
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+ m->compiled[COMPILE_NORMAL] = m->compiled[COMPILE_NOFEAT] = NULL;
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+ m->dir = talloc_steal(m, canon_dir);
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+ list_head_init(&m->c_files);
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+ list_head_init(&m->h_files);
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+ list_head_init(&m->api_tests);
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+ list_head_init(&m->run_tests);
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+ list_head_init(&m->compile_ok_tests);
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+ list_head_init(&m->compile_fail_tests);
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+ list_head_init(&m->other_test_c_files);
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+ list_head_init(&m->other_test_files);
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+ list_head_init(&m->other_files);
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+ list_head_init(&m->examples);
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+ list_head_init(&m->mangled_examples);
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+ list_head_init(&m->deps);
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+
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+ len = strlen(m->dir);
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+ while (len && m->dir[len-1] == '/')
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+ m->dir[--len] = '\0';
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+
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+ m->basename = strrchr(m->dir, '/');
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+ if (!m->basename)
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+ errx(1, "I don't expect to be run from the root directory");
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+ m->basename++;
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+
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+ /* We expect the ccan dir to be two levels above module dir. */
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+ if (!ccan_dir) {
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+ char *p, *dir;
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+ dir = talloc_strdup(NULL, m->dir);
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+ p = strrchr(dir, '/');
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+ if (!p)
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+ errx(1, "I expect the ccan root directory in ../..");
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+ *p = '\0';
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+ p = strrchr(dir, '/');
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+ if (!p)
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+ errx(1, "I expect the ccan root directory in ../..");
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+ *p = '\0';
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+ ccan_dir = dir;
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+ }
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+
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+ add_files(m, "");
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+
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+ /* Nicer to run tests in a predictable order. */
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+ foreach_ptr(list, &m->api_tests, &m->run_tests, &m->compile_ok_tests,
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+ &m->compile_fail_tests)
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+ sort_files(list);
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+
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+ htable_manifest_add(manifests, m);
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+
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+done:
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+ if (chdir(olddir) != 0)
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+ err(1, "Returning to original directory '%s'", olddir);
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+ talloc_free(olddir);
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+
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+ return m;
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+}
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Rusty Russell