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Add and parse cpp_static_assert

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This commit is contained in:
Jonathan Müller 2017-04-11 20:21:25 +02:00
commit 4db09778b5
14 changed files with 200 additions and 6 deletions
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42
src/libclang/parse_functions.cpp
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@ -5,6 +5,9 @@
#include "parse_functions.hpp"
#include <cppast/cpp_storage_class_specifiers.hpp>
#include <cppast/cpp_static_assert.hpp>
#include "libclang_visitor.hpp"
using namespace cppast;
@ -153,6 +156,9 @@ std::unique_ptr<cpp_entity> detail::parse_entity(const detail::parse_context& co
case CXCursor_ClassTemplatePartialSpecialization:
return parse_cpp_class_template_specialization(context, cur);
case CXCursor_StaticAssert:
return parse_cpp_static_assert(context, cur);
default:
break;
}
@ -178,3 +184,39 @@ catch (parse_error& ex)
context.logger->log("libclang parser", ex.get_diagnostic());
return nullptr;
}
std::unique_ptr<cpp_entity> detail::parse_cpp_static_assert(const detail::parse_context& context,
const CXCursor& cur)
{
DEBUG_ASSERT(clang_getCursorKind(cur) == CXCursor_StaticAssert, detail::assert_handler{});
std::unique_ptr<cpp_expression> expr;
std::string msg;
detail::visit_children(cur, [&](const CXCursor& child) {
if (!expr)
{
DEBUG_ASSERT(clang_isExpression(clang_getCursorKind(child)),
detail::parse_error_handler{}, cur,
"unexpected child cursor of static assert");
expr = detail::parse_expression(context, child);
}
else if (msg.empty())
{
DEBUG_ASSERT(clang_getCursorKind(child) == CXCursor_StringLiteral,
detail::parse_error_handler{}, cur,
"unexpected child cursor of static assert");
msg = detail::get_cursor_name(child).c_str();
DEBUG_ASSERT(msg.front() == '"' && msg.back() == '"', detail::parse_error_handler{},
cur, "unexpected name format");
msg.pop_back();
msg.erase(msg.begin());
}
else
DEBUG_UNREACHABLE(detail::parse_error_handler{}, cur,
"unexpected child cursor of static assert");
});
auto result = cpp_static_assert::build(std::move(expr), std::move(msg));
context.comments.match(*result, cur);
return result;
}