88 lines
2.6 KiB
C++
88 lines
2.6 KiB
C++
// Copyright (C) 2017-2022 Jonathan Müller and cppast contributors
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// SPDX-License-Identifier: MIT
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#include <cppast/cpp_attribute.hpp>
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#include <algorithm>
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#include <cppast/cpp_entity.hpp>
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using namespace cppast;
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namespace
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{
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const char* get_attribute_name(cpp_attribute_kind kind) noexcept
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{
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switch (kind)
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{
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case cpp_attribute_kind::alignas_:
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return "alignas";
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case cpp_attribute_kind::carries_dependency:
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return "carries_dependency";
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case cpp_attribute_kind::deprecated:
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return "deprecated";
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case cpp_attribute_kind::fallthrough:
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return "fallthrough";
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case cpp_attribute_kind::maybe_unused:
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return "maybe_unused";
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case cpp_attribute_kind::nodiscard:
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return "nodiscard";
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case cpp_attribute_kind::noreturn:
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return "noreturn";
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case cpp_attribute_kind::unknown:
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return "unknown";
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}
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return "<error>";
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}
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} // namespace
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cpp_attribute::cpp_attribute(cpp_attribute_kind kind,
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type_safe::optional<cpp_token_string> arguments)
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: cpp_attribute(type_safe::nullopt, get_attribute_name(kind), std::move(arguments), false)
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{
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kind_ = kind;
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}
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type_safe::optional_ref<const cpp_attribute> cppast::has_attribute(
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const cpp_attribute_list& attributes, const std::string& name)
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{
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auto iter
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= std::find_if(attributes.begin(), attributes.end(), [&](const cpp_attribute& attribute) {
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if (attribute.scope())
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return attribute.scope().value() + "::" + attribute.name() == name;
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else
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return attribute.name() == name;
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});
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if (iter == attributes.end())
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return nullptr;
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else
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return type_safe::ref(*iter);
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}
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type_safe::optional_ref<const cpp_attribute> cppast::has_attribute(
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const cpp_attribute_list& attributes, cpp_attribute_kind kind)
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{
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auto iter
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= std::find_if(attributes.begin(), attributes.end(),
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[&](const cpp_attribute& attribute) { return attribute.kind() == kind; });
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if (iter == attributes.end())
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return nullptr;
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else
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return type_safe::ref(*iter);
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}
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type_safe::optional_ref<const cpp_attribute> cppast::has_attribute(const cpp_entity& e,
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const std::string& name)
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{
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return has_attribute(e.attributes(), name);
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}
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type_safe::optional_ref<const cpp_attribute> cppast::has_attribute(const cpp_entity& e,
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cpp_attribute_kind kind)
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{
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return has_attribute(e.attributes(), kind);
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}
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