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Copy pathmanifest.c
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268 lines (228 loc) · 6.31 KB
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#include "config.h"
#include "manifest.h"
#include "tools.h"
#include <ccan/str/str.h>
#include <ccan/tal/link/link.h>
#include <ccan/tal/grab_file/grab_file.h>
#include <ccan/tal/path/path.h>
#include <ccan/hash/hash.h>
#include <ccan/htable/htable_type.h>
#include <ccan/noerr/noerr.h>
#include <ccan/foreach/foreach.h>
#include <ccan/asort/asort.h>
#include <ccan/array_size/array_size.h>
#include <ccan/err/err.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include <dirent.h>
#include <ctype.h>
#include <stdarg.h>
#include <assert.h>
static size_t dir_hash(const char *name)
{
return hash(name, strlen(name), 0);
}
static const char *manifest_name(const struct manifest *m)
{
return m->dir;
}
static bool dir_cmp(const struct manifest *m, const char *dir)
{
return strcmp(m->dir, dir) == 0;
}
HTABLE_DEFINE_TYPE(struct manifest, manifest_name, dir_hash, dir_cmp,
htable_manifest);
static struct htable_manifest *manifests;
const char *get_ccan_file_contents(struct ccan_file *f)
{
if (!f->contents) {
f->contents = grab_file(f, f->fullname);
if (!f->contents)
err(1, "Reading file %s", f->fullname);
f->contents_size = tal_count(f->contents) - 1;
}
return f->contents;
}
char **get_ccan_file_lines(struct ccan_file *f)
{
if (!f->lines)
f->lines = tal_strsplit(f, get_ccan_file_contents(f), "\n",
STR_EMPTY_OK);
return f->lines;
}
struct ccan_file *new_ccan_file(const void *ctx, const char *dir,
const char *name)
{
struct ccan_file *f;
unsigned int i;
assert(dir[0] == '/');
f = tal(ctx, struct ccan_file);
f->lines = NULL;
f->line_info = NULL;
f->doc_sections = NULL;
for (i = 0; i < ARRAY_SIZE(f->compiled); i++)
f->compiled[i] = NULL;
f->name = tal_strdup(f, name);
f->fullname = path_join(f, dir, f->name);
f->contents = NULL;
f->simplified = NULL;
f->idempotent_cond = NULL;
return f;
}
static void add_files(struct manifest *m, const char *base, const char *subdir)
{
DIR *d;
struct dirent *ent;
char **subs = tal_arr(m, char *, 0);
const char *thisdir;
if (!subdir)
thisdir = base;
else
thisdir = path_join(subs, base, subdir);
d = opendir(thisdir);
if (!d)
err(1, "Opening directory %s", thisdir);
while ((ent = readdir(d)) != NULL) {
struct stat st;
struct ccan_file *f;
struct list_head *dest;
bool is_c_src;
if (ent->d_name[0] == '.')
continue;
f = new_ccan_file(m, m->dir,
subdir ? path_join(m, subdir, ent->d_name)
: ent->d_name);
if (stat(f->fullname, &st) != 0)
err(1, "stat %s", f->fullname);
if (S_ISDIR(st.st_mode)) {
size_t len = tal_count(subs);
tal_resize(&subs, len+1);
subs[len] = tal_strcat(subs, f->name, "/");
continue;
}
if (!S_ISREG(st.st_mode)) {
tal_free(f);
continue;
}
if (streq(f->name, "_info")) {
m->info_file = f;
continue;
}
is_c_src = strends(f->name, ".c");
if (!is_c_src && !strends(f->name, ".h")) {
dest = &m->other_files;
} else if (!strchr(f->name, '/')) {
if (is_c_src)
dest = &m->c_files;
else
dest = &m->h_files;
} else if (strstarts(f->name, "test/")) {
if (is_c_src) {
if (strstarts(f->name, "test/api"))
dest = &m->api_tests;
else if (strstarts(f->name, "test/run"))
dest = &m->run_tests;
else if (strstarts(f->name, "test/compile_ok"))
dest = &m->compile_ok_tests;
else if (strstarts(f->name, "test/compile_fail"))
dest = &m->compile_fail_tests;
else
dest = &m->other_test_c_files;
} else
dest = &m->other_test_files;
} else
dest = &m->other_files;
list_add(dest, &f->list);
}
closedir(d);
/* Before we recurse, sanity check this is a ccan module. */
if (!subdir) {
size_t i;
if (!m->info_file
&& list_empty(&m->c_files)
&& list_empty(&m->h_files))
errx(1, "No _info, C or H files found in %s", thisdir);
/* Don't enter subdirs with _info: they're separate modules. */
for (i = 0; i < tal_count(subs); i++) {
struct stat st;
char *subinfo = path_join(subs, base,
path_join(subs, subs[i],
"_info"));
if (lstat(subinfo, &st) != 0)
add_files(m, base, subs[i]);
}
}
tal_free(subs);
}
static int cmp_names(struct ccan_file *const *a, struct ccan_file *const *b,
void *unused)
{
return strcmp((*a)->name, (*b)->name);
}
static void sort_files(struct list_head *list)
{
struct ccan_file **files = tal_arr(NULL, struct ccan_file *, 0), *f;
unsigned int i;
while ((f = list_top(list, struct ccan_file, list)) != NULL) {
tal_expand(&files, &f, 1);
list_del(&f->list);
}
asort(files, tal_count(files), cmp_names, NULL);
for (i = 0; i < tal_count(files); i++)
list_add_tail(list, &files[i]->list);
tal_free(files);
}
struct manifest *get_manifest(const void *ctx, const char *dir)
{
struct manifest *m;
char *canon_dir;
unsigned int len;
struct list_head *list;
if (!manifests) {
manifests = tal(NULL, struct htable_manifest);
htable_manifest_init(manifests);
}
canon_dir = path_canon(ctx, dir);
if (!canon_dir)
err(1, "Getting canonical version of directory %s", dir);
m = htable_manifest_get(manifests, canon_dir);
if (m)
return m;
m = tal_linkable(tal(NULL, struct manifest));
m->info_file = NULL;
m->compiled[COMPILE_NORMAL] = m->compiled[COMPILE_NOFEAT] = NULL;
m->dir = tal_steal(m, canon_dir);
list_head_init(&m->c_files);
list_head_init(&m->h_files);
list_head_init(&m->api_tests);
list_head_init(&m->run_tests);
list_head_init(&m->compile_ok_tests);
list_head_init(&m->compile_fail_tests);
list_head_init(&m->other_test_c_files);
list_head_init(&m->other_test_files);
list_head_init(&m->other_files);
list_head_init(&m->examples);
list_head_init(&m->mangled_examples);
list_head_init(&m->deps);
list_head_init(&m->test_deps);
/* Trim trailing /. */
len = strlen(m->dir);
while (len && m->dir[len-1] == '/')
m->dir[--len] = '\0';
m->basename = strrchr(m->dir, '/');
if (!m->basename)
errx(1, "I don't expect to be run from the root directory");
m->basename++;
assert(strstarts(m->dir, find_ccan_dir(m->dir)));
m->modname = m->dir + strlen(find_ccan_dir(m->dir)) + strlen("ccan/");
add_files(m, canon_dir, NULL);
/* Nicer to run tests in a predictable order. */
foreach_ptr(list, &m->api_tests, &m->run_tests, &m->compile_ok_tests,
&m->compile_fail_tests)
sort_files(list);
htable_manifest_add(manifests, tal_link(manifests, m));
return m;
}