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Fix cyclic polymorphic struct bug #111

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This commit is contained in:
Ginger Bill
2017-10-01 14:10:31 +01:00
parent 5259de5872
commit e7e51f53ce
2 changed files with 19 additions and 11 deletions
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src/check_expr.cpp
+10 -8
View File
@@ -1275,9 +1275,10 @@ Entity *find_polymorphic_struct_entity(Checker *c, Type *original_type, isize pa
}
void add_polymorphic_struct_entity(Checker *c, AstNode *node, Type *original_type, Type *named_type) {
void add_polymorphic_struct_entity(Checker *c, AstNode *node, Type *named_type, Type *original_type) {
GB_ASSERT(is_type_named(named_type));
gbAllocator a = heap_allocator();
Scope *s = c->context.scope->parent;
Entity *e = nullptr;
{
@@ -1289,14 +1290,12 @@ void add_polymorphic_struct_entity(Checker *c, AstNode *node, Type *original_typ
node->kind = AstNode_Ident;
node->Ident.token = token;
e = make_entity_type_name(a, c->context.scope, token, named_type);
add_entity(c, c->context.scope, node, e);
e = make_entity_type_name(a, s, token, named_type);
add_entity_use(c, node, e);
}
named_type->Named.type_name = e;
auto *found_gen_types = map_get(&c->info.gen_types, hash_pointer(original_type));
if (found_gen_types) {
array_add(found_gen_types, e);
@@ -1308,7 +1307,7 @@ void add_polymorphic_struct_entity(Checker *c, AstNode *node, Type *original_typ
}
}
void check_struct_type(Checker *c, Type *struct_type, AstNode *node, Array<Operand> *poly_operands, Type *named_type = nullptr) {
void check_struct_type(Checker *c, Type *struct_type, AstNode *node, Array<Operand> *poly_operands, Type *named_type = nullptr, Type *original_type_for_poly = nullptr) {
GB_ASSERT(is_type_struct(struct_type));
ast_node(st, StructType, node);
@@ -1461,6 +1460,11 @@ void check_struct_type(Checker *c, Type *struct_type, AstNode *node, Array<Opera
polymorphic_params = tuple;
}
}
if (original_type_for_poly != nullptr) {
GB_ASSERT(named_type != nullptr);
add_polymorphic_struct_entity(c, node, named_type, original_type_for_poly);
}
}
if (!is_polymorphic) {
@@ -7000,11 +7004,9 @@ CallArgumentError check_polymorphic_struct_type(Checker *c, Operand *operand, As
set_base_type(named_type, struct_type);
check_open_scope(c, node);
check_struct_type(c, struct_type, node, &ordered_operands, named_type);
check_struct_type(c, struct_type, node, &ordered_operands, named_type, original_type);
check_close_scope(c);
add_polymorphic_struct_entity(c, node, original_type, named_type);
operand->mode = Addressing_Type;
operand->type = named_type;
}
src/ir_print.cpp
+9 -3
View File
@@ -348,9 +348,15 @@ void ir_print_type(irFileBuffer *f, irModule *m, Type *t) {
switch (base_type(t)->kind) {
case Type_Struct:
case Type_Union: {
String *name = map_get(&m->entity_names, hash_pointer(t->Named.type_name));
GB_ASSERT_MSG(name != nullptr, "%.*s %p", LIT(t->Named.name), t->Named.type_name);
ir_print_encoded_local(f, *name);
GB_ASSERT(t->Named.type_name != nullptr);
String *found = map_get(&m->entity_names, hash_entity(t->Named.type_name));
if (found) {
ir_print_encoded_local(f, *found);
} else {
// TODO(bill): Is this correct behaviour?!
ir_print_type(f, m, base_type(t));
// GB_ASSERT_MSG(found != nullptr, "%.*s %p", LIT(t->Named.name), t->Named.type_name);
}
} break;
default:
ir_print_type(f, m, base_type(t));