static char *get_init_filename(Scheme_Env *env)
{
Scheme_Object *f;
Scheme_Thread * volatile p;
mz_jmp_buf * volatile save, newbuf;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if (!scheme_setjmp(newbuf)) {
f = scheme_builtin_value("find-system-path");
if (f) {
Scheme_Object *a[1];
a[0] = scheme_intern_symbol("init-file");
f = _scheme_apply(f, 1, a);
if (SCHEME_PATHP(f)) {
p->error_buf = save;
return SCHEME_PATH_VAL(f);
}
}
}
p->error_buf = save;
return NULL;
}
static Scheme_Object *write_compiled_closure(Scheme_Object *obj)
{
Scheme_Closure_Data *data;
Scheme_Object *name, *l, *code, *ds, *tl_map;
int svec_size, pos;
Scheme_Marshal_Tables *mt;
data = (Scheme_Closure_Data *)obj;
if (data->name) {
name = data->name;
if (SCHEME_VECTORP(name)) {
/* We can only save marshalable src names, which includes
paths, symbols, and strings: */
Scheme_Object *src;
src = SCHEME_VEC_ELS(name)[1];
if (!SCHEME_PATHP(src)
&& !SCHEME_PATHP(src)
&& !SCHEME_SYMBOLP(src)) {
/* Just keep the name */
name = SCHEME_VEC_ELS(name)[0];
}
}
} else {
name = scheme_null;
}
svec_size = data->closure_size;
if (SCHEME_CLOSURE_DATA_FLAGS(data) & CLOS_HAS_TYPED_ARGS) {
svec_size += ((2 * (data->num_params + data->closure_size)) + BITS_PER_MZSHORT - 1) / BITS_PER_MZSHORT;
}
if (SCHEME_RPAIRP(data->code)) {
/* This can happen if loaded bytecode is printed out and the procedure
body has never been needed before.
It's also possible in non-JIT mode if an empty closure is embedded
as a 3-D value in compiled code. */
scheme_delay_load_closure(data);
}
/* If the body is simple enough, write it directly.
Otherwise, create a delay indirection so that the body
is loaded on demand. */
code = data->code;
switch (SCHEME_TYPE(code)) {
case scheme_toplevel_type:
case scheme_local_type:
case scheme_local_unbox_type:
case scheme_integer_type:
case scheme_true_type:
case scheme_false_type:
case scheme_void_type:
case scheme_quote_syntax_type:
ds = code;
break;
default:
ds = NULL;
break;
}
if (!ds) {
mt = scheme_current_thread->current_mt;
if (!mt->pass) {
int key;
pos = mt->cdata_counter;
if ((!mt->cdata_map || (pos >= 32))
&& !(pos & (pos - 1))) {
/* Need to grow the array */
Scheme_Object **a;
a = MALLOC_N(Scheme_Object *, (pos ? 2 * pos : 32));
memcpy(a, mt->cdata_map, pos * sizeof(Scheme_Object *));
mt->cdata_map = a;
}
Scheme_Object *scheme_place(int argc, Scheme_Object *args[]) {
Scheme_Place *place;
Place_Start_Data *place_data;
mz_proc_thread *proc_thread;
Scheme_Object *collection_paths;
mzrt_sema *ready;
/* create place object */
place = MALLOC_ONE_TAGGED(Scheme_Place);
place->so.type = scheme_place_type;
mzrt_sema_create(&ready, 0);
/* pass critical info to new place */
place_data = MALLOC_ONE(Place_Start_Data);
place_data->ready = ready;
if (argc == 2) {
Scheme_Object *so;
if (!scheme_is_module_path(args[0]) && !SCHEME_PATHP(args[0])) {
scheme_wrong_type("place", "module-path or path", 0, argc, args);
}
if (!SCHEME_SYMBOLP(args[1])) {
scheme_wrong_type("place", "symbol", 1, argc, args);
}
so = scheme_places_deep_copy_to_master(args[0]);
place_data->module = so;
so = scheme_places_deep_copy_to_master(args[1]);
place_data->function = so;
place_data->ready = ready;
/* create channel */
{
Scheme_Place_Bi_Channel *channel;
channel = scheme_place_bi_channel_create();
place->channel = (Scheme_Object *) channel;
channel = scheme_place_bi_peer_channel_create(channel);
place_data->channel = (Scheme_Object *) channel;
}
}
else {
scheme_wrong_count_m("place", 2, 2, argc, args, 0);
}
collection_paths = scheme_current_library_collection_paths(0, NULL);
collection_paths = scheme_places_deep_copy_to_master(collection_paths);
place_data->current_library_collection_paths = collection_paths;
/* create new place */
proc_thread = mz_proc_thread_create(place_start_proc, place_data);
/* wait until the place has started and grabbed the value
from `place_data'; it's important that a GC doesn't happen
here until the other place is far enough. */
mzrt_sema_wait(ready);
mzrt_sema_destroy(ready);
place->proc_thread = proc_thread;
return (Scheme_Object*) place;
}
/*
* Get the init filename for the system
* * First look to see if <addon-dir>/interactive.rkt exists
* * Otherwise check config file for location
*/
static Scheme_Object *get_init_filename(Scheme_Env *env,
char *init_filename_sym,
char *default_init_module,
char *user_init_module)
{
Scheme_Object *f, *a[2], *build_path;
Scheme_Thread * volatile p;
mz_jmp_buf * volatile save, newbuf;
p = scheme_get_current_thread();
save = p->error_buf;
p->error_buf = &newbuf;
if(!scheme_setjmp(newbuf)) {
build_path = scheme_builtin_value("build-path");
/* First test to see if user init file exists */
f = scheme_builtin_value("find-system-path");
a[0] = scheme_intern_symbol("addon-dir");
a[0] = _scheme_apply(f, 1, a);
a[1] = scheme_make_path(user_init_module);
f = _scheme_apply(build_path, 2, a);
if (SCHEME_PATHP(f)) {
char *filename;
filename = scheme_expand_filename(SCHEME_PATH_VAL(f), -1, "startup", NULL, SCHEME_GUARD_FILE_EXISTS);
if(scheme_file_exists(filename)) {
p->error_buf = save;
return scheme_make_path(filename);
}
}
/* Failed, next check config.rkt fo system init file */
f = scheme_builtin_value("find-main-config");
a[0] = _scheme_apply(f, 0, NULL);
a[1] = scheme_make_path("config.rktd");
f = _scheme_apply(build_path, 2, a);
if (SCHEME_PATHP(f)) {
char *filename;
filename = scheme_expand_filename(SCHEME_PATH_VAL(f), -1, "startup", NULL,
SCHEME_GUARD_FILE_EXISTS | SCHEME_GUARD_FILE_READ);
if(scheme_file_exists(filename)) {
Scheme_Object * port;
port = scheme_open_input_file(SCHEME_PATH_VAL(f), "get-init-filename");
f = scheme_read(port);
scheme_close_input_port(port);
if(SCHEME_HASHTRP(f)) {
f = scheme_hash_tree_get((Scheme_Hash_Tree *)f, scheme_intern_symbol(init_filename_sym));
if(f) {
p->error_buf = save;
return f;
}
}
}
}
/* Failed to load custom init file, load racket/interactive */
f = scheme_intern_symbol(default_init_module);
p->error_buf = save;
return f;
}
p->error_buf = save;
return NULL;
}