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;
});
});
void MVM_coerce_istrue(MVMThreadContext *tc, MVMObject *obj, MVMRegister *res_reg,
MVMuint8 *true_addr, MVMuint8 *false_addr, MVMuint8 flip) {
MVMint64 result = 0;
if (!MVM_is_null(tc, obj)) {
MVMBoolificationSpec *bs = obj->st->boolification_spec;
switch (bs == NULL ? MVM_BOOL_MODE_NOT_TYPE_OBJECT : bs->mode) {
case MVM_BOOL_MODE_CALL_METHOD: {
MVMObject *code = MVM_frame_find_invokee(tc, bs->method, NULL);
MVMCallsite *inv_arg_callsite = MVM_callsite_get_common(tc, MVM_CALLSITE_ID_INV_ARG);
if (res_reg) {
/* We need to do the invocation, and set this register
* the result. Then we just do the call. For the flip
* case, just set up special return handler to flip
* the register. */
MVM_args_setup_thunk(tc, res_reg, MVM_RETURN_INT, inv_arg_callsite);
tc->cur_frame->args[0].o = obj;
if (flip) {
tc->cur_frame->special_return = flip_return;
tc->cur_frame->special_return_data = res_reg;
}
STABLE(code)->invoke(tc, code, inv_arg_callsite, tc->cur_frame->args);
}
else {
/* Need to set up special return hook. */
BoolMethReturnData *data = MVM_malloc(sizeof(BoolMethReturnData));
data->true_addr = true_addr;
data->false_addr = false_addr;
data->flip = flip;
tc->cur_frame->special_return = boolify_return;
tc->cur_frame->special_return_data = data;
MVM_args_setup_thunk(tc, &data->res_reg, MVM_RETURN_INT, inv_arg_callsite);
tc->cur_frame->args[0].o = obj;
STABLE(code)->invoke(tc, code, inv_arg_callsite, tc->cur_frame->args);
}
return;
}
case MVM_BOOL_MODE_UNBOX_INT:
result = !IS_CONCRETE(obj) || REPR(obj)->box_funcs.get_int(tc, STABLE(obj), obj, OBJECT_BODY(obj)) == 0 ? 0 : 1;
break;
case MVM_BOOL_MODE_UNBOX_NUM:
result = !IS_CONCRETE(obj) || REPR(obj)->box_funcs.get_num(tc, STABLE(obj), obj, OBJECT_BODY(obj)) == 0.0 ? 0 : 1;
break;
case MVM_BOOL_MODE_UNBOX_STR_NOT_EMPTY: {
MVMString *str;
if (!IS_CONCRETE(obj)) {
result = 0;
break;
}
str = REPR(obj)->box_funcs.get_str(tc, STABLE(obj), obj, OBJECT_BODY(obj));
result = MVM_coerce_istrue_s(tc, str);
break;
}
case MVM_BOOL_MODE_UNBOX_STR_NOT_EMPTY_OR_ZERO: {
MVMString *str;
MVMint64 chars;
if (!IS_CONCRETE(obj)) {
result = 0;
break;
}
str = REPR(obj)->box_funcs.get_str(tc, STABLE(obj), obj, OBJECT_BODY(obj));
if (str == NULL || !IS_CONCRETE(str)) {
result = 0;
break;
}
chars = MVM_string_graphs(tc, str);
result = chars == 0 ||
(chars == 1 && MVM_string_get_grapheme_at_nocheck(tc, str, 0) == 48)
? 0 : 1;
break;
}
case MVM_BOOL_MODE_NOT_TYPE_OBJECT:
result = !IS_CONCRETE(obj) ? 0 : 1;
break;
case MVM_BOOL_MODE_BIGINT:
result = IS_CONCRETE(obj) ? MVM_bigint_bool(tc, obj) : 0;
break;
case MVM_BOOL_MODE_ITER:
result = IS_CONCRETE(obj) ? MVM_iter_istrue(tc, (MVMIter *)obj) : 0;
break;
case MVM_BOOL_MODE_HAS_ELEMS:
result = IS_CONCRETE(obj) ? MVM_repr_elems(tc, obj) != 0 : 0;
break;
default:
MVM_exception_throw_adhoc(tc, "Invalid boolification spec mode used");
}
}
if (flip)
result = result ? 0 : 1;
if (res_reg) {
res_reg->i64 = result;
}
else {
if (result)
*(tc->interp_cur_op) = true_addr;
else
*(tc->interp_cur_op) = false_addr;
}
}
/* 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;
}
void MVM_coerce_istrue(MVMThreadContext *tc, MVMObject *obj, MVMRegister *res_reg,
MVMuint8 *true_addr, MVMuint8 *false_addr, MVMuint8 flip) {
MVMint64 result;
if (obj == NULL) {
result = 0;
}
else {
MVMBoolificationSpec *bs = obj->st->boolification_spec;
switch (bs == NULL ? MVM_BOOL_MODE_NOT_TYPE_OBJECT : bs->mode) {
case MVM_BOOL_MODE_CALL_METHOD:
if (res_reg) {
/* We need to do the invocation, and set this register
* the result. Then we just do the call. For the flip
* case, just set up special return handler to flip
* the register. */
MVMObject *code = MVM_frame_find_invokee(tc, bs->method);
tc->cur_frame->return_value = res_reg;
tc->cur_frame->return_type = MVM_RETURN_INT;
tc->cur_frame->return_address = *(tc->interp_cur_op);
tc->cur_frame->args[0].o = obj;
if (flip) {
tc->cur_frame->special_return = flip_return;
tc->cur_frame->special_return_data = res_reg;
}
STABLE(code)->invoke(tc, code, get_inv_callsite(), tc->cur_frame->args);
}
else {
/* Need to set up special return hook. */
MVMObject *code = MVM_frame_find_invokee(tc, bs->method);
BoolMethReturnData *data = malloc(sizeof(BoolMethReturnData));
data->true_addr = true_addr;
data->false_addr = false_addr;
data->flip = flip;
tc->cur_frame->special_return = boolify_return;
tc->cur_frame->special_return_data = data;
tc->cur_frame->return_value = &data->res_reg;
tc->cur_frame->return_type = MVM_RETURN_INT;
tc->cur_frame->return_address = *(tc->interp_cur_op);
tc->cur_frame->args[0].o = obj;
STABLE(code)->invoke(tc, code, get_inv_callsite(), tc->cur_frame->args);
return;
}
break;
case MVM_BOOL_MODE_UNBOX_INT:
result = !IS_CONCRETE(obj) || REPR(obj)->box_funcs->get_int(tc, STABLE(obj), obj, OBJECT_BODY(obj)) == 0 ? 0 : 1;
break;
case MVM_BOOL_MODE_UNBOX_NUM:
result = !IS_CONCRETE(obj) || REPR(obj)->box_funcs->get_num(tc, STABLE(obj), obj, OBJECT_BODY(obj)) == 0.0 ? 0 : 1;
break;
case MVM_BOOL_MODE_UNBOX_STR_NOT_EMPTY:
result = !IS_CONCRETE(obj) || NUM_GRAPHS(REPR(obj)->box_funcs->get_str(tc, STABLE(obj), obj, OBJECT_BODY(obj))) == 0 ? 0 : 1;
break;
case MVM_BOOL_MODE_UNBOX_STR_NOT_EMPTY_OR_ZERO: {
MVMString *str;
if (!IS_CONCRETE(obj)) {
result = 0;
break;
}
str = REPR(obj)->box_funcs->get_str(tc, STABLE(obj), obj, OBJECT_BODY(obj));
result = MVM_coerce_istrue_s(tc, str);
break;
}
case MVM_BOOL_MODE_NOT_TYPE_OBJECT:
result = !IS_CONCRETE(obj) ? 0 : 1;
break;
case MVM_BOOL_MODE_ITER:
result = IS_CONCRETE(obj) ? MVM_iter_istrue(tc, (MVMIter *)obj) : 0;
break;
case MVM_BOOL_MODE_HAS_ELEMS:
result = IS_CONCRETE(obj) ? MVM_repr_elems(tc, obj) != 0 : 0;
break;
default:
MVM_exception_throw_adhoc(tc, "Invalid boolification spec mode used");
}
}
if (flip)
result = result ? 0 : 1;
if (res_reg) {
res_reg->i64 = result;
}
else {
if (result)
*(tc->interp_cur_op) = true_addr;
else
*(tc->interp_cur_op) = false_addr;
}
}