diff options
Diffstat (limited to 'src/check_decl.cpp')
| -rw-r--r-- | src/check_decl.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/check_decl.cpp b/src/check_decl.cpp index ba6445ea4..dffe0b48e 100644 --- a/src/check_decl.cpp +++ b/src/check_decl.cpp @@ -526,6 +526,54 @@ gb_internal void check_type_decl(CheckerContext *ctx, Entity *e, Ast *init_expr, check_decl_attributes(ctx, decl->attributes, type_decl_attribute, &ac); if (e->kind == Entity_TypeName && ac.objc_class != "") { e->TypeName.objc_class_name = ac.objc_class; + e->TypeName.objc_superclass = ac.objc_superclass; + e->TypeName.objc_ivar = ac.objc_ivar; + + if (ac.objc_is_implementation) { + e->TypeName.objc_is_implementation = true; + mpsc_enqueue(&ctx->info->objc_class_implementations, e); // TODO(harold): Don't need this for anything. Remove. + + GB_ASSERT(e->TypeName.objc_ivar == nullptr || e->TypeName.objc_ivar->kind == Type_Named); + + // Ensure superclass hierarchy are all Objective-C classes and does not cycle + Type *super = ac.objc_superclass; + if (super != nullptr) { + TypeSet super_set{}; + type_set_init(&super_set, 8); + defer (type_set_destroy(&super_set)); + + type_set_update(&super_set, e->type); + + for (;;) { + if (type_set_update(&super_set, super)) { + error(e->token, "@(objc_superclass) Superclass hierarchy cycle encountered"); + break; + } + + if (super->kind != Type_Named) { + error(e->token, "@(objc_superclass) References type must be a named struct."); + break; + } + + Type* named_type = base_type(super->Named.type_name->type); + if (!is_type_objc_object(named_type)) { + error(e->token, "@(objc_superclass) Superclass must be an Objective-C class."); + break; + } + + super = super->Named.type_name->TypeName.objc_superclass; + if (super == nullptr) { + break; + } + + // TODO(harold): Is this the right way to do this??? The referenced entity must be already resolved + // so that we can access its objc_superclass attribute + check_single_global_entity(ctx->checker, super->Named.type_name, super->Named.type_name->decl_info); + } + } + } else if (e->TypeName.objc_superclass != nullptr) { + error(e->token, "@(objc_superclass) can only be applied when the obj_implement attribute is also applied"); + } if (type_size_of(e->type) > 0) { error(e->token, "@(objc_class) marked type must be of zero size"); @@ -942,6 +990,31 @@ gb_internal void check_objc_methods(CheckerContext *ctx, Entity *e, AttributeCon if (tn->scope != e->scope) { error(e->token, "@(objc_name) attribute may only be applied to procedures and types within the same scope"); } else { + + if (ac.objc_is_implementation) { + GB_ASSERT(e->kind == Entity_Procedure); + + CheckerInfo *info = ctx->info; + mutex_lock(&info->objc_method_mutex); + defer (mutex_unlock(&info->objc_method_mutex)); + + auto method = ObjcMethodData{ ac, e }; + + if (ac.objc_selector == "") { + method.ac.objc_selector = ac.objc_name; + } + + Array<ObjcMethodData>* method_list = map_get(&info->objc_method_implementations, t); + if (method_list) { + array_add(method_list, method); + } else { + auto list = array_make<ObjcMethodData>(permanent_allocator(), 1, 8); + list[0] = method; + + map_set(&info->objc_method_implementations, t, list); + } + } + mutex_lock(&global_type_name_objc_metadata_mutex); defer (mutex_unlock(&global_type_name_objc_metadata_mutex)); |