+bool is_type_incomplete(const type_t *type)
+{
+ switch(type->type) {
+ case TYPE_COMPOUND_STRUCT:
+ case TYPE_COMPOUND_UNION: {
+ const compound_type_t *compound_type
+ = (const compound_type_t*) type;
+ declaration_t *declaration = compound_type->declaration;
+ return !declaration->init.is_defined;
+ }
+ case TYPE_FUNCTION:
+ return true;
+
+ case TYPE_ARRAY:
+ case TYPE_ATOMIC:
+ case TYPE_POINTER:
+ case TYPE_ENUM:
+ return false;
+
+ case TYPE_TYPEDEF:
+ case TYPE_TYPEOF:
+ case TYPE_BUILTIN:
+ panic("is_type_incomplete called without typerefs skipped");
+ case TYPE_INVALID:
+ break;
+ }
+
+ panic("invalid type found");
+}
+
+bool types_compatible(const type_t *type1, const type_t *type2)
+{
+ (void) type1;
+ (void) type2;
+ return true;
+}
+
+bool pointers_compatible(const type_t *type1, const type_t *type2)
+{
+ assert(type1->type == TYPE_POINTER);
+ assert(type2->type == TYPE_POINTER);
+ pointer_type_t *pointer_type1 = (pointer_type_t*) type1;
+ pointer_type_t *pointer_type2 = (pointer_type_t*) type2;
+ return types_compatible(pointer_type1->points_to,
+ pointer_type2->points_to);
+}
+
+type_t *skip_typeref(type_t *type)
+{
+ while(1) {
+ switch(type->type) {
+ case TYPE_TYPEDEF: {
+ const typedef_type_t *typedef_type = (const typedef_type_t*) type;
+ type = typedef_type->declaration->type;
+ continue;
+ }
+ case TYPE_TYPEOF: {
+ const typeof_type_t *typeof_type = (const typeof_type_t *) type;
+ if(typeof_type->typeof_type != NULL) {
+ type = typeof_type->typeof_type;
+ } else {
+ type = typeof_type->expression->datatype;
+ }
+ continue;
+ }
+ case TYPE_BUILTIN: {
+ const builtin_type_t *builtin_type = (const builtin_type_t*) type;
+ type = builtin_type->real_type;
+ continue;
+ }
+ default:
+ break;
+ }
+ break;
+ }
+
+ return type;
+}
+
+
+