static void list_select_reject_common(lily_vm_state *vm, uint16_t argc,
uint16_t *code, int expect)
{
lily_value **vm_regs = vm->vm_regs;
lily_value *result_reg = vm->vm_regs[code[0]];
lily_list_val *list_val = vm_regs[code[1]]->value.list;
lily_value *function_reg = vm_regs[code[2]];
lily_vm_list *vm_list = vm->vm_list;
int vm_list_start = vm_list->pos;
int cached = 0;
lily_vm_list_ensure(vm, list_val->num_values);
int i;
for (i = 0;i < list_val->num_values;i++) {
lily_value *result = lily_foreign_call(vm, &cached, 1,
function_reg, 1, list_val->elems[i]);
if (result->value.integer == expect) {
vm_list->values[vm_list->pos] = lily_copy_value(list_val->elems[i]);
vm_list->pos++;
}
}
slice_vm_list(vm, vm_list_start, result_reg);
}
void lily_list_each(lily_vm_state *vm, uint16_t argc, uint16_t *code)
{
lily_value **vm_regs = vm->vm_regs;
lily_value *list_reg = vm_regs[code[1]];
lily_value *function_reg = vm_regs[code[2]];
lily_list_val *list_val = list_reg->value.list;
lily_value *result_reg = vm_regs[code[0]];
int cached = 0;
int i;
for (i = 0;i < list_val->num_values;i++)
lily_foreign_call(vm, &cached, 1, function_reg, 1,
list_val->elems[i]);
lily_assign_value(result_reg, list_reg);
}
void lily_list_fold(lily_vm_state *vm, uint16_t argc, uint16_t *code)
{
lily_value **vm_regs = vm->vm_regs;
lily_value *result_reg = vm->vm_regs[code[0]];
lily_list_val *list_val = vm_regs[code[1]]->value.list;
lily_value *starting_reg = vm_regs[code[2]];
lily_value *function_reg = vm_regs[code[3]];
lily_value *current = starting_reg;
int cached = 0;
int i;
for (i = 0;i < list_val->num_values;i++) {
current = lily_foreign_call(vm, &cached, 1, function_reg, 2, current,
list_val->elems[i]);
}
lily_assign_value(result_reg, current);
}
void lily_list_each_index(lily_vm_state *vm, uint16_t argc, uint16_t *code)
{
lily_value **vm_regs = vm->vm_regs;
lily_value *list_reg = vm_regs[code[1]];
lily_value *function_reg = vm_regs[code[2]];
lily_list_val *list_val = list_reg->value.list;
lily_value *result_reg = vm_regs[code[0]];
lily_value fake_reg;
fake_reg.value.integer = 0;
fake_reg.flags = VAL_IS_INTEGER;
int cached = 0;
int i;
for (i = 0;i < list_val->num_values;i++, fake_reg.value.integer++)
lily_foreign_call(vm, &cached, 0, function_reg, 1, &fake_reg);
lily_assign_value(result_reg, list_reg);
}
void lily_pg_result_each_row(lily_vm_state *vm, uint16_t argc, uint16_t *code)
{
lily_value **vm_regs = vm->vm_regs;
lily_pg_result *boxed_result = (lily_pg_result *)
vm_regs[code[1]]->value.generic;
PGresult *raw_result = boxed_result->pg_result;
if (raw_result == NULL || boxed_result->row_count == 0)
return;
lily_value *function_reg = vm_regs[code[2]];
int cached = 0;
int row;
for (row = 0;row < boxed_result->row_count;row++) {
lily_list_val *lv = lily_new_list_val_0();
lily_value fake_reg;
lv->elems = lily_malloc(boxed_result->column_count * sizeof(lily_value *));
int col;
for (col = 0;col < boxed_result->column_count;col++) {
char *field_text;
if (PQgetisnull(raw_result, row, col))
field_text = "(null)";
else
field_text = PQgetvalue(raw_result, row, col);
lily_string_val *sv = lily_new_raw_string(field_text);
lv->elems[col] = lily_new_value(VAL_IS_STRING,
(lily_raw_value){.string = sv});
}
lv->num_values = col;
fake_reg.value.list = lv;
fake_reg.flags = VAL_IS_LIST | VAL_IS_DEREFABLE;
lily_foreign_call(vm, &cached, 0, function_reg, 1, &fake_reg);
}
void lily_list_count(lily_vm_state *vm, uint16_t argc, uint16_t *code)
{
lily_value **vm_regs = vm->vm_regs;
lily_value *result_reg = vm->vm_regs[code[0]];
lily_list_val *list_val = vm_regs[code[1]]->value.list;
lily_value *function_reg = vm_regs[code[2]];
int count = 0;
int cached = 0;
int i;
for (i = 0;i < list_val->num_values;i++) {
lily_value *result = lily_foreign_call(vm, &cached, 1,
function_reg, 1, list_val->elems[i]);
if (result->value.integer == 1)
count++;
}
lily_move_integer(result_reg, count);
}