diff options
Diffstat (limited to 'src/check_decl.cpp')
| -rw-r--r-- | src/check_decl.cpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/check_decl.cpp b/src/check_decl.cpp index 243dbbbc6..1d30088d6 100644 --- a/src/check_decl.cpp +++ b/src/check_decl.cpp @@ -340,6 +340,10 @@ void check_type_decl(CheckerContext *ctx, Entity *e, Ast *init_expr, Type *def) 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; + + if (type_size_of(e->type) > 0) { + error(e->token, "@(objc_class) marked type must be of zero size"); + } } } @@ -822,6 +826,65 @@ void check_proc_decl(CheckerContext *ctx, Entity *e, DeclInfo *d) { } e->Procedure.optimization_mode = cast(ProcedureOptimizationMode)ac.optimization_mode; + if (ac.objc_name.len || ac.objc_class_name.len || ac.objc_type) { + if (ac.objc_class_name.len && ac.objc_name.len) { + error(e->token, "@(objc_class_name) and @(objc_name) may not be allowed at the same time"); + } else if (ac.objc_type == nullptr) { + if (ac.objc_name.len) { + error(e->token, "@(objc_name) requires that @(objc_type) to be set"); + } else { + error(e->token, "@(objc_class_name) requires that @(objc_type) to be set"); + } + } else { + Type *t = ac.objc_type; + if (t->kind == Type_Named) { + Entity *tn = t->Named.type_name; + + GB_ASSERT(tn->kind == Entity_TypeName); + + if (tn->scope != e->scope) { + error(e->token, "@(objc_name) and @(objc_class_name) attributes may only be applied to procedures and types within the same scope"); + } else { + mutex_lock(&global_type_name_objc_metadata_mutex); + defer (mutex_unlock(&global_type_name_objc_metadata_mutex)); + + if (!tn->TypeName.objc_metadata) { + tn->TypeName.objc_metadata = create_type_name_obj_c_metadata(); + } + auto *md = tn->TypeName.objc_metadata; + mutex_lock(md->mutex); + defer (mutex_unlock(md->mutex)); + + if (ac.objc_name.len) { + bool ok = true; + for (TypeNameObjCMetadataEntry const &entry : md->value_entries) { + if (entry.name == ac.objc_name) { + error(e->token, "Previous declaration of @(objc_name=\"%.*s\")", LIT(ac.objc_name)); + ok = false; + break; + } + } + if (ok) { + array_add(&md->value_entries, TypeNameObjCMetadataEntry{ac.objc_name, e}); + } + } else { + bool ok = true; + for (TypeNameObjCMetadataEntry const &entry : md->type_entries) { + if (entry.name == ac.objc_class_name) { + error(e->token, "Previous declaration of @(objc_class_name=\"%.*s\")", LIT(ac.objc_class_name)); + ok = false; + break; + } + } + if (ok) { + array_add(&md->type_entries, TypeNameObjCMetadataEntry{ac.objc_class_name, e}); + } + } + } + } + } + } + switch (e->Procedure.optimization_mode) { case ProcedureOptimizationMode_None: |