MVMint64 MVM_proc_spawn(MVMThreadContext *tc, MVMString *cmd, MVMString *cwd, MVMObject *env) {
MVMint64 result, spawn_result;
uv_process_t process = {0};
uv_process_options_t process_options = {0};
int i;
char * const cmdin = MVM_string_utf8_encode_C_string(tc, cmd);
char * const _cwd = MVM_string_utf8_encode_C_string(tc, cwd);
const MVMuint64 size = MVM_repr_elems(tc, env);
MVMIter * const iter = (MVMIter *)MVM_iter(tc, env);
char **_env = malloc((size + 1) * sizeof(char *));
#ifdef _WIN32
const MVMuint16 acp = GetACP(); /* We should get ACP at runtime. */
char * const _cmd = ANSIToUTF8(acp, getenv("ComSpec"));
char *args[3];
args[0] = "/c";
args[1] = cmdin;
args[2] = NULL;
#else
char * const _cmd = "/bin/sh";
char *args[4];
args[0] = "/bin/sh";
args[1] = "-c";
args[2] = cmdin;
args[3] = NULL;
#endif
MVMROOT(tc, iter, {
MVMString * const equal = MVM_string_ascii_decode(tc, tc->instance->VMString, STR_WITH_LEN("="));
MVMROOT(tc, equal, {
MVMString *env_str;
i = 0;
while(MVM_iter_istrue(tc, iter)) {
MVM_repr_shift_o(tc, (MVMObject *)iter);
env_str = MVM_string_concatenate(tc, MVM_iterkey_s(tc, iter), equal);
env_str = MVM_string_concatenate(tc, env_str, MVM_repr_get_str(tc, MVM_iterval(tc, iter)));
_env[i++] = MVM_string_utf8_encode_C_string(tc, env_str);
}
_env[size] = NULL;
});
});
MVMint64 MVM_proc_spawn(MVMThreadContext *tc, MVMObject *argv, MVMString *cwd, MVMObject *env) {
MVMint64 result = 0, spawn_result = 0;
uv_process_t *process = calloc(1, sizeof(uv_process_t));
uv_process_options_t process_options = {0};
uv_stdio_container_t process_stdio[3];
int i;
char * const _cwd = MVM_string_utf8_encode_C_string(tc, cwd);
const MVMuint64 size = MVM_repr_elems(tc, env);
MVMIter * const iter = (MVMIter *)MVM_iter(tc, env);
char **_env = malloc((size + 1) * sizeof(char *));
const MVMuint64 arg_size = MVM_repr_elems(tc, argv);
char **args = malloc((arg_size + 1) * sizeof(char *));
MVMRegister reg;
i = 0;
while(i < arg_size) {
REPR(argv)->pos_funcs.at_pos(tc, STABLE(argv), argv, OBJECT_BODY(argv), i, ®, MVM_reg_obj);
args[i++] = MVM_string_utf8_encode_C_string(tc, MVM_repr_get_str(tc, reg.o));
}
args[arg_size] = NULL;
INIT_ENV();
SPAWN(arg_size ? args[0] : NULL);
FREE_ENV();
free(_cwd);
i = 0;
while(args[i])
free(args[i++]);
free(args);
return result;
}
/* Locates all of the attributes. Puts them onto a flattened, ordered
* list of attributes (populating the passed flat_list). Also builds
* the index mapping for doing named lookups. Note index is not related
* to the storage position. */
static MVMObject * index_mapping_and_flat_list(MVMThreadContext *tc, MVMObject *mro, MVMCPPStructREPRData *repr_data) {
MVMInstance *instance = tc->instance;
MVMObject *flat_list, *class_list, *attr_map_list;
MVMint32 num_classes, i, current_slot = 0;
MVMCPPStructNameMap *result;
MVMint32 mro_idx = MVM_repr_elems(tc, mro);
MVM_gc_root_temp_push(tc, (MVMCollectable **)&mro);
flat_list = MVM_repr_alloc_init(tc, MVM_hll_current(tc)->slurpy_array_type);
MVM_gc_root_temp_push(tc, (MVMCollectable **)&flat_list);
class_list = MVM_repr_alloc_init(tc, MVM_hll_current(tc)->slurpy_array_type);
MVM_gc_root_temp_push(tc, (MVMCollectable **)&class_list);
attr_map_list = MVM_repr_alloc_init(tc, MVM_hll_current(tc)->slurpy_array_type);
MVM_gc_root_temp_push(tc, (MVMCollectable **)&attr_map_list);
/* Walk through the parents list. */
while (mro_idx)
{
/* Get current class in MRO. */
MVMObject *type_info = MVM_repr_at_pos_o(tc, mro, --mro_idx);
MVMObject *current_class = MVM_repr_at_pos_o(tc, type_info, 0);
/* Get its local parents; make sure we're not doing MI. */
MVMObject *parents = MVM_repr_at_pos_o(tc, type_info, 2);
MVMint32 num_parents = MVM_repr_elems(tc, parents);
if (num_parents <= 1) {
/* Get attributes and iterate over them. */
MVMObject *attributes = MVM_repr_at_pos_o(tc, type_info, 1);
MVMIter * const attr_iter = (MVMIter *)MVM_iter(tc, attributes);
MVMObject *attr_map = NULL;
if (MVM_iter_istrue(tc, attr_iter)) {
MVM_gc_root_temp_push(tc, (MVMCollectable **)&attr_iter);
attr_map = MVM_repr_alloc_init(tc, MVM_hll_current(tc)->slurpy_hash_type);
MVM_gc_root_temp_push(tc, (MVMCollectable **)&attr_map);
}
while (MVM_iter_istrue(tc, attr_iter)) {
MVMObject *current_slot_obj = MVM_repr_box_int(tc, MVM_hll_current(tc)->int_box_type, current_slot);
MVMObject *attr, *name_obj;
MVMString *name;
MVM_repr_shift_o(tc, (MVMObject *)attr_iter);
/* Get attribute. */
attr = MVM_iterval(tc, attr_iter);
/* Get its name. */
name_obj = MVM_repr_at_key_o(tc, attr, instance->str_consts.name);
name = MVM_repr_get_str(tc, name_obj);
MVM_repr_bind_key_o(tc, attr_map, name, current_slot_obj);
current_slot++;
/* Push attr onto the flat list. */
MVM_repr_push_o(tc, flat_list, attr);
}
if (attr_map) {
MVM_gc_root_temp_pop_n(tc, 2);
}
/* Add to class list and map list. */
MVM_repr_push_o(tc, class_list, current_class);
MVM_repr_push_o(tc, attr_map_list, attr_map);
}
else {
MVM_exception_throw_adhoc(tc,
"CPPStruct representation does not support multiple inheritance");
}
}
MVM_gc_root_temp_pop_n(tc, 4);
/* We can now form the name map. */
num_classes = MVM_repr_elems(tc, class_list);
result = (MVMCPPStructNameMap *) MVM_malloc(sizeof(MVMCPPStructNameMap) * (1 + num_classes));
for (i = 0; i < num_classes; i++) {
result[i].class_key = MVM_repr_at_pos_o(tc, class_list, i);
result[i].name_map = MVM_repr_at_pos_o(tc, attr_map_list, i);
}
/* set the end to be NULL, it's useful for iteration. */
result[i].class_key = NULL;
repr_data->name_to_index_mapping = result;
return flat_list;
}
static void rakudo_scalar_fetch_s(MVMThreadContext *tc, MVMObject *cont, MVMRegister *res) {
res->s = MVM_repr_get_str(tc, ((Rakudo_Scalar *)cont)->value);
}
MVMint64 MVM_proc_spawn(MVMThreadContext *tc, MVMObject *argv, MVMString *cwd, MVMObject *env,
MVMObject *in, MVMObject *out, MVMObject *err, MVMint64 flags) {
MVMint64 result = 0, spawn_result;
uv_process_t *process = MVM_calloc(1, sizeof(uv_process_t));
uv_process_options_t process_options = {0};
uv_stdio_container_t process_stdio[3];
int i;
char * const _cwd = MVM_string_utf8_c8_encode_C_string(tc, cwd);
const MVMuint64 size = MVM_repr_elems(tc, env);
MVMIter * const iter = (MVMIter *)MVM_iter(tc, env);
char **_env = MVM_malloc((size + 1) * sizeof(char *));
const MVMuint64 arg_size = MVM_repr_elems(tc, argv);
char **args = MVM_malloc((arg_size + 1) * sizeof(char *));
MVMRegister reg;
i = 0;
while(i < arg_size) {
REPR(argv)->pos_funcs.at_pos(tc, STABLE(argv), argv, OBJECT_BODY(argv), i, ®, MVM_reg_obj);
args[i++] = MVM_string_utf8_c8_encode_C_string(tc, MVM_repr_get_str(tc, reg.o));
}
args[arg_size] = NULL;
INIT_ENV();
setup_process_stdio(tc, in, process, &process_stdio[0], 0, flags, "spawn");
setup_process_stdio(tc, out, process, &process_stdio[1], 1, flags >> 3, "spawn");
setup_process_stdio(tc, err, process, &process_stdio[2], 2, flags >> 6, "spawn");
process_options.stdio = process_stdio;
process_options.file = arg_size ? args[0] : NULL;
process_options.args = args;
process_options.cwd = _cwd;
process_options.flags = UV_PROCESS_WINDOWS_HIDE;
process_options.env = _env;
process_options.stdio_count = 3;
process_options.exit_cb = spawn_on_exit;
if (flags & (MVM_PIPE_CAPTURE_IN | MVM_PIPE_CAPTURE_OUT | MVM_PIPE_CAPTURE_ERR)) {
process->data = MVM_calloc(1, sizeof(MVMint64));
uv_ref((uv_handle_t *)process);
spawn_result = uv_spawn(tc->loop, process, &process_options);
if (spawn_result)
result = spawn_result;
}
else {
process->data = &result;
uv_ref((uv_handle_t *)process);
spawn_result = uv_spawn(tc->loop, process, &process_options);
if (spawn_result)
result = spawn_result;
else
uv_run(tc->loop, UV_RUN_DEFAULT);
}
FREE_ENV();
MVM_free(_cwd);
uv_unref((uv_handle_t *)process);
i = 0;
while(args[i])
MVM_free(args[i++]);
MVM_free(args);
return result;
}