113 lines
3.8 KiB
C++
113 lines
3.8 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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#ifndef CPPAST_CPP_PREPROCESSOR_HPP_INCLUDED
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#define CPPAST_CPP_PREPROCESSOR_HPP_INCLUDED
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#include <type_safe/optional.hpp>
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#include <cppast/cpp_entity.hpp>
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#include <cppast/cpp_file.hpp>
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namespace cppast
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{
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/// A [cppast::cpp_entity]() modelling a macro definition.
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class cpp_macro_definition final : public cpp_entity
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{
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public:
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static cpp_entity_kind kind() noexcept;
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/// \returns A newly built macro definition.
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/// \notes It is not meant to be registered in the [cppast::cpp_entity_index](),
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/// as no other [cppast::cpp_entity]() can refer to it.
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static std::unique_ptr<cpp_macro_definition> build(
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std::string name, type_safe::optional<std::string> parameters, std::string replacement)
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{
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return std::unique_ptr<cpp_macro_definition>(
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new cpp_macro_definition(std::move(name), std::move(parameters),
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std::move(replacement)));
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}
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/// \returns The replacement text of the macro.
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const std::string& replacement() const noexcept
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{
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return replacement_;
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}
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/// \returns Whether or not it is a function like macro.
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bool is_function_like() const noexcept
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{
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return parameters_.has_value();
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}
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/// \returns The parameters of the macro, as the string spelled out in the source code.
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/// \notes It has none if it is not a function like macro.
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const type_safe::optional<std::string>& parameters() const noexcept
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{
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return parameters_;
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}
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private:
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cpp_entity_kind do_get_entity_kind() const noexcept override;
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cpp_macro_definition(std::string name, type_safe::optional<std::string> parameters,
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std::string replacement)
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: cpp_entity(std::move(name)),
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parameters_(std::move(parameters)),
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replacement_(std::move(replacement))
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{
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}
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type_safe::optional<std::string> parameters_;
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std::string replacement_;
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};
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/// The kind of [cppast::cpp_include_directive]().
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enum class cpp_include_kind
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{
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system, //< An `#include <...>`.
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local, //< An `#include "..."`.
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};
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/// A [cppast::cpp_entity]() modelling an `#include`.
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class cpp_include_directive final : public cpp_entity
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{
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public:
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static cpp_entity_kind kind() noexcept;
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/// \returns A newly built include directive.
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/// \notes It is not meant to be registered in the [cppast::cpp_entity_index](),
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/// as no other [cppast::cpp_entity]() can refer to it.
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static std::unique_ptr<cpp_include_directive> build(const cpp_file_ref& target,
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cpp_include_kind kind)
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{
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return std::unique_ptr<cpp_include_directive>(new cpp_include_directive(target, kind));
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}
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/// \returns A reference to the [cppast::cpp_file]() it includes.
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cpp_file_ref target() const noexcept
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{
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return cpp_file_ref(target_, name());
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}
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/// \returns The kind of include it is.
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cpp_include_kind include_kind() const noexcept
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{
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return kind_;
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}
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private:
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cpp_entity_kind do_get_entity_kind() const noexcept override;
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cpp_include_directive(const cpp_file_ref& target, cpp_include_kind kind)
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: cpp_entity(target.name()), target_(target.id()), kind_(kind)
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{
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}
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cpp_entity_id target_;
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cpp_include_kind kind_;
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};
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} // namespace cppast
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#endif // CPPAST_CPP_PREPROCESSOR_HPP_INCLUDED
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