59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
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// This file is subject to the license terms in the LICENSE file
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// found in the top-level directory of this distribution.
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#include <cppast/visitor.hpp>
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#include <cppast/cpp_entity.hpp>
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#include <cppast/cpp_entity_kind.hpp>
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#include <cppast/cpp_enum.hpp>
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#include <cppast/cpp_file.hpp>
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#include <cppast/cpp_namespace.hpp>
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using namespace cppast;
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namespace
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{
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template <typename T>
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bool handle_container(const cpp_entity& e, detail::visitor_callback_t cb, void* functor)
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{
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auto& container = static_cast<const T&>(e);
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auto handle_children = cb(functor, container, visitor_info::container_entity_enter);
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if (handle_children)
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{
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for (auto& child : container)
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if (!detail::visit(child, cb, functor))
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return false;
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}
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return cb(functor, container, visitor_info::container_entity_exit);
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}
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}
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bool detail::visit(const cpp_entity& e, detail::visitor_callback_t cb, void* functor)
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{
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switch (e.kind())
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{
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case cpp_entity_kind::file_t:
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return handle_container<cpp_file>(e, cb, functor);
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case cpp_entity_kind::namespace_t:
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return handle_container<cpp_namespace>(e, cb, functor);
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case cpp_entity_kind::enum_t:
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return handle_container<cpp_enum>(e, cb, functor);
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case cpp_entity_kind::namespace_alias_t:
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case cpp_entity_kind::using_directive_t:
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case cpp_entity_kind::using_declaration_t:
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case cpp_entity_kind::type_alias_t:
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case cpp_entity_kind::enum_value_t:
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case cpp_entity_kind::variable_t:
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return cb(functor, e, visitor_info::leaf_entity);
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case cpp_entity_kind::count:
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break;
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}
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DEBUG_UNREACHABLE(detail::assert_handler{});
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return true;
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}
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