+static inline impl_val *deref_impl_val(impl_val *ret_val, decl_var *var) {
+ unsigned i;
+
+ if (var->arg->var != var) for (i = 1; i < var->pointer_level; ++i) {
+ ret_val = *(void **) ret_val;
+ }
+ return ret_val;
+}
+
+static inline impl_val *enref_impl_val(void *ptr, decl_var *var) {
+ impl_val *val, *val_ptr;
+ unsigned i;
+
+ if (!var->pointer_level && real_decl_type(var->arg->type)->type != PSI_T_STRUCT) {
+ return ptr;
+ }
+ val = val_ptr = calloc(var->pointer_level + 1, sizeof(void *));
+ for (i = 1; i < var->pointer_level; ++i) {
+ val_ptr->ptr = (void **) val_ptr + 1;
+ val_ptr = val_ptr->ptr;
+ }
+ val_ptr->ptr = ptr;
+ return val;
+}
+
+static inline impl_val *struct_member_ref(decl_arg *set_arg, impl_val *struct_ptr, impl_val **to_free) {
+ void *ptr = (char *) struct_ptr->ptr + set_arg->layout->pos;
+ impl_val *val = enref_impl_val(ptr, set_arg->var);
+
+ if (val != ptr) {
+ *to_free = val;
+ }
+
+ return val;
+}
+
+#define PSI_ERROR 16
+#define PSI_WARNING 32
+typedef void (*psi_error_cb)(int type, const char *msg, ...);
+