jyapayne/cppast
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Parse cpp_converison_op

Browse source
This commit is contained in:
Jonathan Müller 2017-03-12 17:43:57 +01:00
commit 8691628ec5
9 changed files with 184 additions and 25 deletions
Download patch file Download diff file Expand all files Collapse all files

78
src/libclang/function_parser.cpp
View file

@ -66,7 +66,8 @@ namespace
prefix_info result;
// just check for keywords until we've reached the function name
while (!detail::skip_if(stream, name.c_str()))
// notes: name can have multiple tokens if it is an operator
while (!detail::skip_if(stream, name.c_str(), true))
{
if (detail::skip_if(stream, "constexpr"))
result.is_constexpr = true;
@ -270,7 +271,7 @@ namespace
auto prefix = parse_prefix_info(stream, name);
DEBUG_ASSERT(!prefix.is_virtual, detail::parse_error_handler{}, cur,
"unexpected tokens in function prefix");
"free function cannot be virtual");
if (prefix.is_constexpr)
builder.is_constexpr();
@ -356,6 +357,21 @@ namespace
return result;
}
}
template <class Builder>
std::unique_ptr<cpp_entity> handle_suffix(const detail::parse_context& context,
const CXCursor& cur, Builder& builder,
detail::token_stream& stream, bool is_virtual)
{
auto suffix = parse_suffix_info(stream, context);
builder.cv_ref_qualifier(suffix.cv_qualifier, suffix.ref_qualifier);
if (suffix.noexcept_condition)
builder.noexcept_condition(move(suffix.noexcept_condition));
if (auto virt = calculate_virtual(cur, is_virtual, suffix.virtual_keywords))
builder.virtual_info(virt.value());
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind);
}
}
std::unique_ptr<cpp_entity> detail::parse_cpp_member_function(const detail::parse_context& context,
@ -379,13 +395,53 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_member_function(const detail::pars
builder.is_constexpr();
skip_parameters(stream);
auto suffix = parse_suffix_info(stream, context);
builder.cv_ref_qualifier(suffix.cv_qualifier, suffix.ref_qualifier);
if (suffix.noexcept_condition)
builder.noexcept_condition(std::move(suffix.noexcept_condition));
if (auto virt = calculate_virtual(cur, prefix.is_virtual, suffix.virtual_keywords))
builder.virtual_info(virt.value());
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind);
return handle_suffix(context, cur, builder, stream, prefix.is_virtual);
}
std::unique_ptr<cpp_entity> detail::parse_cpp_conversion_op(const detail::parse_context& context,
const CXCursor& cur)
{
DEBUG_ASSERT(clang_getCursorKind(cur) == CXCursor_ConversionFunction, detail::assert_handler{});
cpp_conversion_op::builder builder(detail::parse_type(context, clang_getCursorResultType(cur)));
detail::tokenizer tokenizer(context.tu, context.file, cur);
detail::token_stream stream(tokenizer, cur);
// look for constexpr, explicit, virtual
// must come before the operator token
auto is_virtual = false;
while (!detail::skip_if(stream, "operator"))
{
if (detail::skip_if(stream, "virtual"))
is_virtual = true;
else if (detail::skip_if(stream, "constexpr"))
builder.is_constexpr();
else if (detail::skip_if(stream, "explicit"))
builder.is_explicit();
else
stream.bump();
}
// heuristic to find arguments tokens
// skip forward, skipping inside brackets
while (true)
{
if (detail::skip_if(stream, "("))
{
if (detail::skip_if(stream, ")"))
break;
else
detail::skip_brackets(stream);
}
else if (detail::skip_if(stream, "["))
detail::skip_brackets(stream);
else if (detail::skip_if(stream, "{"))
detail::skip_brackets(stream);
else if (detail::skip_if(stream, "<"))
detail::skip_brackets(stream);
else
stream.bump();
}
return handle_suffix(context, cur, builder, stream, is_virtual);
}