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Add semantic parent to forward declarable entities

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This commit is contained in:
Jonathan Müller 2017-04-14 16:44:25 +02:00
commit 599f2bbff8
20 changed files with 260 additions and 109 deletions
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31
src/libclang/class_parser.cpp
View file

@ -99,9 +99,34 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_class(const detail::parse_context&
auto is_friend = false;
#endif
auto builder = make_class_builder(cur);
auto builder = make_class_builder(cur);
type_safe::optional<cpp_entity_ref> semantic_parent;
if (!is_friend)
{
if (!clang_equalCursors(clang_getCursorSemanticParent(cur),
clang_getCursorLexicalParent(cur)))
{
// out-of-line definition
detail::tokenizer tokenizer(context.tu, context.file, cur);
detail::token_stream stream(tokenizer, cur);
std::string name = detail::get_cursor_name(cur).c_str();
auto pos = name.find('<');
if (pos != std::string::npos)
name.erase(pos, std::string::npos);
std::string scope;
while (!detail::skip_if(stream, name.c_str()))
{
if (!detail::append_scope(stream, scope))
stream.bump();
}
if (!scope.empty())
semantic_parent =
cpp_entity_ref(detail::get_entity_id(clang_getCursorSemanticParent(cur)),
std::move(scope));
}
context.comments.match(builder.get(), cur);
detail::visit_children(cur, [&](const CXCursor& child) {
auto kind = clang_getCursorKind(child);
@ -123,7 +148,9 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_class(const detail::parse_context&
}
if (!is_friend && clang_isCursorDefinition(cur))
return is_templated ? builder.finish() : builder.finish(*context.idx, get_entity_id(cur));
return is_templated ?
builder.finish(std::move(semantic_parent)) :
builder.finish(*context.idx, get_entity_id(cur), std::move(semantic_parent));
else
return is_templated ? builder.finish_declaration(detail::get_entity_id(cur)) :
builder.finish_declaration(*context.idx, get_entity_id(cur));

19
src/libclang/enum_parser.cpp
View file

@ -41,8 +41,10 @@ namespace
std::move(value));
}
cpp_enum::builder make_enum_builder(const detail::parse_context& context, const CXCursor& cur)
cpp_enum::builder make_enum_builder(const detail::parse_context& context, const CXCursor& cur,
type_safe::optional<cpp_entity_ref>& semantic_parent)
{
auto name = detail::get_cursor_name(cur);
detail::tokenizer tokenizer(context.tu, context.file, cur);
detail::token_stream stream(tokenizer, cur);
@ -51,7 +53,15 @@ namespace
detail::skip(stream, "enum");
auto scoped = detail::skip_if(stream, "class");
detail::skip_attribute(stream);
auto& name = stream.get().value();
std::string scope;
while (!detail::skip_if(stream, name.c_str()))
if (!detail::append_scope(stream, scope))
DEBUG_UNREACHABLE(detail::parse_error_handler{}, cur,
"unexpected tokens in enum name");
if (!scope.empty())
semantic_parent =
cpp_entity_ref(detail::get_entity_id(clang_getCursorSemanticParent(cur)),
std::move(scope));
// parse type
auto type = detail::parse_type(context, cur, clang_getEnumDeclIntegerType(cur));
@ -66,7 +76,8 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_enum(const detail::parse_context&
{
DEBUG_ASSERT(cur.kind == CXCursor_EnumDecl, detail::assert_handler{});
auto builder = make_enum_builder(context, cur);
type_safe::optional<cpp_entity_ref> semantic_parent;
auto builder = make_enum_builder(context, cur, semantic_parent);
context.comments.match(builder.get(), cur);
detail::visit_children(cur, [&](const CXCursor& child) {
try
@ -82,7 +93,7 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_enum(const detail::parse_context&
}
});
if (clang_isCursorDefinition(cur))
return builder.finish(*context.idx, get_entity_id(cur));
return builder.finish(*context.idx, get_entity_id(cur), std::move(semantic_parent));
else
return builder.finish_declaration(*context.idx, get_entity_id(cur));
}

9
src/libclang/friend_parser.cpp
View file

@ -75,9 +75,12 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_friend(const detail::parse_context
else if (clang_isDeclaration(kind))
{
entity = parse_entity(context, child);
// steal comment
comment = type_safe::copy(entity->comment()).value_or("");
entity->set_comment(type_safe::nullopt);
if (entity)
{
// steal comment
comment = type_safe::copy(entity->comment()).value_or("");
entity->set_comment(type_safe::nullopt);
}
}
else if (inst_builder && clang_isExpression(kind))
{

80
src/libclang/function_parser.cpp
View file

@ -86,10 +86,10 @@ namespace
// just the tokens occurring in the prefix
struct prefix_info
{
std::string scope_name;
bool is_constexpr = false;
bool is_virtual = false;
bool is_explicit = false;
type_safe::optional<cpp_entity_ref> semantic_parent;
bool is_constexpr = false;
bool is_virtual = false;
bool is_explicit = false;
};
bool prefix_end(detail::token_stream& stream, const char* name, bool is_ctor)
@ -153,38 +153,18 @@ namespace
result.is_explicit = true;
scope.clear();
}
// add identifiers and "::" to current scope name,
// clear if there is any other token in between, or mismatched combination
else if (stream.peek().kind() == CXToken_Identifier)
{
if (!scope.empty() && scope.back() != ':')
scope.clear();
scope += stream.get().c_str();
}
else if (stream.peek() == "::")
{
if (!scope.empty() && scope.back() == ':')
scope.clear();
scope += stream.get().c_str();
}
else if (stream.peek() == "<")
{
auto iter = detail::find_closing_bracket(stream);
scope += detail::to_string(stream, iter);
if (!detail::skip_if(stream, ">>"))
detail::skip(stream, ">");
scope += ">";
}
else
{
else if (!detail::append_scope(stream, scope))
stream.bump();
scope.clear();
}
}
DEBUG_ASSERT(!stream.done(), detail::parse_error_handler{}, stream.cursor(),
"unable to find end of function prefix");
if (!scope.empty() && scope.back() == ':')
result.scope_name = std::move(scope);
{
result.semantic_parent =
cpp_entity_ref(detail::get_entity_id(
clang_getCursorSemanticParent(stream.cursor())),
std::move(scope));
}
return result;
}
@ -392,7 +372,7 @@ namespace
DEBUG_ASSERT(!prefix.is_virtual && !prefix.is_explicit, detail::parse_error_handler{}, cur,
"free function cannot be virtual or explicit");
cpp_function::builder builder(prefix.scope_name + name.c_str(),
cpp_function::builder builder(name.c_str(),
detail::parse_type(context, cur,
clang_getCursorResultType(cur)));
context.comments.match(builder.get(), cur);
@ -413,9 +393,11 @@ namespace
builder.noexcept_condition(std::move(suffix.noexcept_condition));
if (is_templated_cursor(cur))
return builder.finish(detail::get_entity_id(cur), suffix.body_kind);
return builder.finish(detail::get_entity_id(cur), suffix.body_kind,
std::move(prefix.semantic_parent));
else
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind);
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind,
std::move(prefix.semantic_parent));
}
}
@ -425,6 +407,7 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_function(const detail::parse_conte
DEBUG_ASSERT(clang_getCursorKind(cur) == CXCursor_FunctionDecl
|| clang_getTemplateCursorKind(cur) == CXCursor_FunctionDecl,
detail::assert_handler{});
type_safe::optional<cpp_entity_ref> semantic_parent;
return parse_cpp_function_impl(context, cur, false);
}
@ -510,7 +493,8 @@ namespace
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)
detail::token_stream& stream, bool is_virtual,
type_safe::optional<cpp_entity_ref> semantic_parent)
{
auto allow_qualifiers = set_qualifier(0, builder, cpp_cv_none, cpp_ref_none);
@ -522,9 +506,11 @@ namespace
builder.virtual_info(virt.value());
if (is_templated_cursor(cur))
return builder.finish(detail::get_entity_id(cur), suffix.body_kind);
return builder.finish(detail::get_entity_id(cur), suffix.body_kind,
std::move(semantic_parent));
else
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind);
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind,
std::move(semantic_parent));
}
}
@ -543,7 +529,7 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_member_function(const detail::pars
DEBUG_ASSERT(!prefix.is_explicit, detail::parse_error_handler{}, cur,
"member function cannot be explicit");
cpp_member_function::builder builder(prefix.scope_name + name.c_str(),
cpp_member_function::builder builder(name.c_str(),
detail::parse_type(context, cur,
clang_getCursorResultType(cur)));
context.comments.match(builder.get(), cur);
@ -555,7 +541,8 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_member_function(const detail::pars
builder.is_constexpr();
skip_parameters(stream);
return handle_suffix(context, cur, builder, stream, prefix.is_virtual);
return handle_suffix(context, cur, builder, stream, prefix.is_virtual,
std::move(prefix.semantic_parent));
}
std::unique_ptr<cpp_entity> detail::parse_cpp_conversion_op(const detail::parse_context& context,
@ -604,7 +591,7 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_conversion_op(const detail::parse_
detail::skip(stream, ")");
auto type = clang_getCursorResultType(cur);
cpp_conversion_op::builder builder(prefix.scope_name + "operator " + type_spelling,
cpp_conversion_op::builder builder("operator " + type_spelling,
detail::parse_type(context, cur, type));
context.comments.match(builder.get(), cur);
if (prefix.is_explicit)
@ -612,7 +599,8 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_conversion_op(const detail::parse_
else if (prefix.is_constexpr)
builder.is_constexpr();
return handle_suffix(context, cur, builder, stream, prefix.is_virtual);
return handle_suffix(context, cur, builder, stream, prefix.is_virtual,
std::move(prefix.semantic_parent));
}
std::unique_ptr<cpp_entity> detail::parse_cpp_constructor(const detail::parse_context& context,
@ -633,7 +621,7 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_constructor(const detail::parse_co
DEBUG_ASSERT(!prefix.is_virtual, detail::parse_error_handler{}, cur,
"constructor cannot be virtual");
cpp_constructor::builder builder(prefix.scope_name + name.c_str());
cpp_constructor::builder builder(name.c_str());
context.comments.match(builder.get(), cur);
add_parameters(context, builder, cur);
if (clang_Cursor_isVariadic(cur))
@ -650,9 +638,11 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_constructor(const detail::parse_co
builder.noexcept_condition(std::move(suffix.noexcept_condition));
if (is_templated_cursor(cur))
return builder.finish(detail::get_entity_id(cur), suffix.body_kind);
return builder.finish(detail::get_entity_id(cur), suffix.body_kind,
std::move(prefix.semantic_parent));
else
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind);
return builder.finish(*context.idx, detail::get_entity_id(cur), suffix.body_kind,
std::move(prefix.semantic_parent));
}
std::unique_ptr<cpp_entity> detail::parse_cpp_destructor(const detail::parse_context& context,
@ -671,5 +661,5 @@ std::unique_ptr<cpp_entity> detail::parse_cpp_destructor(const detail::parse_con
detail::skip(stream, "(");
detail::skip(stream, ")");
return handle_suffix(context, cur, builder, stream, is_virtual);
return handle_suffix(context, cur, builder, stream, is_virtual, type_safe::nullopt);
}

32
src/libclang/tokenizer.cpp
View file

@ -389,3 +389,35 @@ std::string detail::to_string(token_stream& stream, token_iterator end)
}
return result;
}
bool detail::append_scope(detail::token_stream& stream, std::string& scope)
{
// add identifiers and "::" to current scope name,
// clear if there is any other token in between, or mismatched combination
if (stream.peek().kind() == CXToken_Identifier)
{
if (!scope.empty() && scope.back() != ':')
scope.clear();
scope += stream.get().c_str();
}
else if (stream.peek() == "::")
{
if (!scope.empty() && scope.back() == ':')
scope.clear();
scope += stream.get().c_str();
}
else if (stream.peek() == "<")
{
auto iter = detail::find_closing_bracket(stream);
scope += detail::to_string(stream, iter);
if (!detail::skip_if(stream, ">>"))
detail::skip(stream, ">");
scope += ">";
}
else
{
scope.clear();
return false;
}
return true;
}

6
src/libclang/tokenizer.hpp
View file

@ -191,6 +191,12 @@ namespace cppast
// converts a token range to a string, adding whitespace where necessary
std::string to_string(token_stream& stream, token_iterator end);
// appends token to scope, if it is still valid
// else clears it
// note: does not consume the token if it is not valid,
// returns false in that case
bool append_scope(token_stream& stream, std::string& scope);
}
} // namespace cppast::detail