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Add and parse cpp_decltype_type

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This commit is contained in:
Jonathan Müller 2017-03-27 21:36:55 +02:00
commit 6f050bac66
9 changed files with 174 additions and 16 deletions
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20
src/libclang/variable_parser.cpp
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@ -15,16 +15,23 @@ using namespace cppast;
namespace
{
std::unique_ptr<cpp_expression> parse_default_value(const detail::parse_context& context,
const CXCursor& cur)
const CXCursor& cur, bool uses_decltype)
{
std::unique_ptr<cpp_expression> expression;
detail::visit_children(cur, [&](const CXCursor& child) {
if (clang_isDeclaration(clang_getCursorKind(child)))
return;
DEBUG_ASSERT(clang_isExpression(child.kind) && !expression,
detail::parse_error_handler{}, cur, "unexpected child cursor of variable");
else if (uses_decltype)
// skip first expression, belongs to the decltype
uses_decltype = false;
else
{
DEBUG_ASSERT(!expression && clang_isExpression(child.kind),
detail::parse_error_handler{}, cur,
"unexpected child cursor of variable");
expression = detail::parse_expression(context, child);
expression = detail::parse_expression(context, child);
}
});
return expression;
}
@ -39,6 +46,7 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_variable(const detail::parse_conte
auto type = parse_type(context, cur, clang_getCursorType(cur));
auto storage_class = get_storage_class(cur);
auto is_constexpr = false;
auto uses_decltype = false;
// just look for thread local or constexpr
// can't appear anywhere else, so good enough
@ -49,11 +57,13 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_variable(const detail::parse_conte
cpp_storage_class_specifiers(storage_class | cpp_storage_class_thread_local);
else if (token.value() == "constexpr")
is_constexpr = true;
else if (token.value() == "decltype")
uses_decltype = true;
std::unique_ptr<cpp_variable> result;
if (clang_isCursorDefinition(cur))
{
auto default_value = parse_default_value(context, cur);
auto default_value = parse_default_value(context, cur, uses_decltype);
result =
cpp_variable::build(*context.idx, get_entity_id(cur), name.c_str(), std::move(type),
std::move(default_value), storage_class, is_constexpr);