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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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77
test/cpp_enum.cpp
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@ -11,8 +11,6 @@ using namespace cppast;
TEST_CASE("cpp_enum")
{
auto code = R"(
enum ignore_me : int;
enum a
{
a_a,
@ -21,7 +19,7 @@ enum a
a_d = a_a + 2,
};
enum class ignore_me2;
enum class b; // forward declaration
enum class b : int
{
@ -30,6 +28,7 @@ enum class b : int
b_c
};
enum c : int;
)";
cpp_entity_index idx;
@ -37,6 +36,8 @@ enum class b : int
auto count = test_visit<cpp_enum>(*file, [&](const cpp_enum& e) {
if (e.name() == "a")
{
REQUIRE(e.is_definition());
REQUIRE(!e.is_declaration());
REQUIRE(!e.is_scoped());
REQUIRE(!e.underlying_type());
@ -79,34 +80,62 @@ enum class b : int
else if (e.name() == "b")
{
REQUIRE(e.is_scoped());
REQUIRE(e.underlying_type());
REQUIRE(equal_types(idx, e.underlying_type().value(), *cpp_builtin_type::build("int")));
auto no_vals = 0u;
for (auto& val : e)
if (e.is_definition())
{
REQUIRE(full_name(val) == "b::" + val.name());
if (val.name() == "b_a" || val.name() == "b_c")
REQUIRE(e.underlying_type());
REQUIRE(
equal_types(idx, e.underlying_type().value(), *cpp_builtin_type::build("int")));
auto no_vals = 0u;
for (auto& val : e)
{
++no_vals;
REQUIRE(!val.value());
REQUIRE(full_name(val) == "b::" + val.name());
if (val.name() == "b_a" || val.name() == "b_c")
{
++no_vals;
REQUIRE(!val.value());
}
else if (val.name() == "b_b")
{
++no_vals;
REQUIRE(val.value());
auto& expr = val.value().value();
REQUIRE(expr.kind() == cpp_expression_kind::literal);
REQUIRE(static_cast<const cpp_literal_expression&>(expr).value() == "42");
REQUIRE(equal_types(idx, expr.type(), *cpp_builtin_type::build("int")));
}
else
REQUIRE(false);
}
else if (val.name() == "b_b")
{
++no_vals;
REQUIRE(val.value());
auto& expr = val.value().value();
REQUIRE(expr.kind() == cpp_expression_kind::literal);
REQUIRE(static_cast<const cpp_literal_expression&>(expr).value() == "42");
REQUIRE(equal_types(idx, expr.type(), *cpp_builtin_type::build("int")));
}
else
REQUIRE(false);
REQUIRE(no_vals == 3u);
}
REQUIRE(no_vals == 3u);
else if (e.is_declaration())
{
REQUIRE(!e.underlying_type()); // no underlying type, implicit int
REQUIRE(count_children(e) == 0u);
auto definition = get_definition(idx, e);
REQUIRE(definition);
REQUIRE(definition.value().name() == "b");
REQUIRE(count_children(definition.value()) == 3u);
}
else
REQUIRE(false);
}
else if (e.name() == "c")
{
REQUIRE(e.is_declaration());
REQUIRE(!e.is_definition());
REQUIRE(!e.is_scoped());
REQUIRE(equal_types(idx, e.underlying_type().value(), *cpp_builtin_type::build("int")));
REQUIRE(count_children(e) == 0u);
auto definition = get_definition(idx, e);
REQUIRE(!definition);
}
else
REQUIRE(false);
});
REQUIRE(count == 2u);
REQUIRE(count == 4u);
}