X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=parser.c;h=2a8f26928c3ec6bd79b6e80d3a4a938908085902;hb=442cc935f91c445283176287cd3c6fe536416bf7;hp=9fabfeb004d866ff1276315e0cafe66b409dbe27;hpb=6115f7412770ceb4f4c7d8cf93fe4088b0be9d2b;p=cparser diff --git a/parser.c b/parser.c index 9fabfeb..2a8f269 100644 --- a/parser.c +++ b/parser.c @@ -5095,7 +5095,7 @@ static entity_t *record_entity(entity_t *entity, const bool is_definition) type_t *const orig_type = decl->type; assert(orig_type != NULL); type_t *const type = skip_typeref(orig_type); - type_t * prev_type = skip_typeref(prev_decl->type); + type_t *const prev_type = skip_typeref(prev_decl->type); if (!types_compatible(type, prev_type)) { errorf(pos, @@ -5114,20 +5114,14 @@ static entity_t *record_entity(entity_t *entity, const bool is_definition) prev_decl->type, symbol); } - unsigned new_storage_class = decl->storage_class; - if (is_type_incomplete(prev_type)) { - prev_decl->type = type; - prev_type = type; - } + storage_class_tag_t new_storage_class = decl->storage_class; /* pretend no storage class means extern for function * declarations (except if the previous declaration is neither * none nor extern) */ if (entity->kind == ENTITY_FUNCTION) { - if (prev_type->function.unspecified_parameters) { + if (prev_type->function.unspecified_parameters) prev_decl->type = type; - prev_type = type; - } switch (old_storage_class) { case STORAGE_CLASS_NONE: @@ -5150,6 +5144,8 @@ static entity_t *record_entity(entity_t *entity, const bool is_definition) default: break; } + } else if (is_type_incomplete(prev_type)) { + prev_decl->type = type; } if (old_storage_class == STORAGE_CLASS_EXTERN && @@ -5354,11 +5350,9 @@ static void check_variable_type_complete(entity_t *ent) if (!is_type_incomplete(type)) return; - /* GCC allows global arrays without size and assigns them a length of one, - * if no different declaration follows */ - if (is_type_array(type) && - c_mode & _GNUC && - ent->base.parent_scope == file_scope) { + /* §6.9.2:2 and §6.9.2:5: At the end of the translation incomplete arrays + * are given length one. */ + if (is_type_array(type) && ent->base.parent_scope == file_scope) { ARR_APP1(declaration_t*, incomplete_arrays, decl); return; } @@ -8874,7 +8868,8 @@ static void warn_div_by_zero(binary_expression_t const *const expression) /** * Check the semantic restrictions for a div/mod expression. */ -static void semantic_divmod_arithmetic(binary_expression_t *expression) { +static void semantic_divmod_arithmetic(binary_expression_t *expression) +{ semantic_binexpr_arithmetic(expression); warn_div_by_zero(expression); } @@ -10079,7 +10074,8 @@ end_error: * * @param statement the switch statement to check */ -static void check_enum_cases(const switch_statement_t *statement) { +static void check_enum_cases(const switch_statement_t *statement) +{ const type_t *type = skip_typeref(statement->expression->base.type); if (! is_type_enum(type)) return; @@ -11360,8 +11356,8 @@ translation_unit_t *finish_parsing(void) return result; } -/* GCC allows global arrays without size and assigns them a length of one, - * if no different declaration follows */ +/* §6.9.2:2 and §6.9.2:5: At the end of the translation incomplete arrays + * are given length one. */ static void complete_incomplete_arrays(void) { size_t n = ARR_LEN(incomplete_arrays);