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Add support for forward declarations

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This commit is contained in:
Jonathan Müller 2017-03-11 15:36:51 +01:00
commit 210fcf2c36
12 changed files with 332 additions and 64 deletions
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39
test/cpp_variable.cpp
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@ -35,7 +35,18 @@ static struct {} l;
cpp_entity_index idx;
auto check_variable = [&](const cpp_variable& var, const cpp_type& type,
type_safe::optional_ref<const cpp_expression> default_value,
int storage_class, bool is_constexpr) {
int storage_class, bool is_constexpr, bool is_declaration) {
if (is_declaration)
{
REQUIRE(var.is_declaration());
REQUIRE(!var.is_definition());
}
else
{
REQUIRE(var.is_definition());
REQUIRE(!var.is_declaration());
}
REQUIRE(equal_types(idx, var.type(), type));
if (var.default_value())
{
@ -54,35 +65,35 @@ static struct {} l;
auto int_type = cpp_builtin_type::build("int");
auto count = test_visit<cpp_variable>(*file, [&](const cpp_variable& var) {
if (var.name() == "a")
check_variable(var, *int_type, nullptr, cpp_storage_class_none, false);
check_variable(var, *int_type, nullptr, cpp_storage_class_none, false, false);
else if (var.name() == "b")
check_variable(var, *cpp_builtin_type::build("unsigned long long"),
// unexposed due to implicit cast, I think
*cpp_unexposed_expression::build(cpp_builtin_type::build("int"), "42"),
cpp_storage_class_none, false);
cpp_storage_class_none, false, false);
else if (var.name() == "c")
check_variable(var, *cpp_builtin_type::build("float"),
*cpp_unexposed_expression::build(cpp_builtin_type::build("float"),
"3.f+0.14f"),
cpp_storage_class_none, false);
cpp_storage_class_none, false, false);
else if (var.name() == "d")
check_variable(var, *int_type, nullptr, cpp_storage_class_extern, false);
check_variable(var, *int_type, nullptr, cpp_storage_class_extern, false, true);
else if (var.name() == "e")
check_variable(var, *int_type, nullptr, cpp_storage_class_static, false);
check_variable(var, *int_type, nullptr, cpp_storage_class_static, false, false);
else if (var.name() == "f")
check_variable(var, *int_type, nullptr, cpp_storage_class_thread_local, false);
check_variable(var, *int_type, nullptr, cpp_storage_class_thread_local, false, false);
else if (var.name() == "g")
check_variable(var, *int_type, nullptr,
cpp_storage_class_static | cpp_storage_class_thread_local, false);
cpp_storage_class_static | cpp_storage_class_thread_local, false, false);
else if (var.name() == "h")
check_variable(var, *cpp_cv_qualified_type::build(cpp_builtin_type::build("int"),
cpp_cv_const),
*cpp_literal_expression::build(cpp_builtin_type::build("int"), "12"),
cpp_storage_class_none, true);
cpp_storage_class_none, true, false);
else if (var.name() == "i")
check_variable(var,
*cpp_user_defined_type::build(cpp_type_ref(cpp_entity_id(""), "foo")),
nullptr, cpp_storage_class_none, false);
nullptr, cpp_storage_class_none, false, false);
else if (var.name() == "j")
check_variable(var, *cpp_cv_qualified_type::build(cpp_user_defined_type::build(
cpp_type_ref(cpp_entity_id(""),
@ -92,7 +103,7 @@ static struct {} l;
cpp_type_ref(cpp_entity_id(""),
"bar")),
"bar()"),
cpp_storage_class_none, false);
cpp_storage_class_none, false, false);
else if (var.name() == "k")
check_variable(var,
*cpp_user_defined_type::build(cpp_type_ref(cpp_entity_id(""), "baz")),
@ -100,10 +111,10 @@ static struct {} l;
cpp_type_ref(cpp_entity_id(""),
"baz")),
"{}"),
cpp_storage_class_none, false);
cpp_storage_class_none, false, false);
else if (var.name() == "l")
check_variable(var, *cpp_user_defined_type::build(cpp_type_ref(cpp_entity_id(""), "")),
nullptr, cpp_storage_class_static, false);
nullptr, cpp_storage_class_static, false, false);
else
REQUIRE(false);
});
@ -123,6 +134,8 @@ struct test
auto file = parse({}, "static_cpp_variable.cpp", code);
auto count = test_visit<cpp_variable>(*file, [&](const cpp_variable& var) {
REQUIRE(var.is_declaration());
REQUIRE(!var.is_definition());
REQUIRE(!var.default_value());
REQUIRE(!var.is_constexpr());
REQUIRE(is_static(var.storage_class()));