#define LTTNG_FIELD_H
#include <common/format.hpp>
+#include <common/make-unique.hpp>
#include <vendor/optional.hpp>
bool operator==(const type& other) const noexcept;
bool operator!=(const type& other) const noexcept;
virtual ~type();
+
+ /* Obtain an independent copy of `type`. */
+ virtual type::cuptr copy() const = 0;
+
virtual void accept(type_visitor& visitor) const = 0;
const unsigned int alignment;
protected:
- type(unsigned int alignment);
+ explicit type(unsigned int alignment);
private:
virtual bool _is_equal(const type& rhs) const noexcept = 0;
base base,
roles roles = {});
- virtual void accept(type_visitor& visitor) const override;
+ type::cuptr copy() const override;
+
+ void accept(type_visitor& visitor) const override;
const enum byte_order byte_order;
const unsigned int size;
const roles roles_;
protected:
- virtual bool _is_equal(const type& other) const noexcept override;
+ bool _is_equal(const type& other) const noexcept override;
};
class floating_point_type : public type {
unsigned int exponent_digits,
unsigned int mantissa_digits);
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const enum byte_order byte_order;
const unsigned int exponent_digits;
const unsigned int mantissa_digits;
private:
- virtual bool _is_equal(const type& other) const noexcept override final;
+ bool _is_equal(const type& other) const noexcept final;
};
class enumeration_type : public integer_type {
enum base base,
integer_type::roles roles = {});
- virtual void accept(type_visitor& visitor) const = 0;
+ void accept(type_visitor& visitor) const override = 0;
};
namespace details {
using range_t = enumeration_mapping_range<MappingIntegerType>;
enumeration_mapping(const enumeration_mapping<MappingIntegerType>& other) = default;
- enumeration_mapping(const enumeration_mapping<MappingIntegerType>&& other) :
- name{std::move(other.name)}, range{other.range}
+ enumeration_mapping(const enumeration_mapping<MappingIntegerType>&& other) noexcept :
+ name{ std::move(other.name) }, range{ other.range }
{
}
}
} /* namespace details */
-template <class MappingIntegerType>
+template <typename MappingIntegerType>
class typed_enumeration_type : public enumeration_type {
public:
using mapping = details::enumeration_mapping<MappingIntegerType>;
{
}
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const override
+ {
+ return lttng::make_unique<typed_enumeration_type<MappingIntegerType>>(
+ alignment, byte_order, size, base_, mappings_, roles_);
+ }
+
+ void accept(type_visitor& visitor) const final;
const std::shared_ptr<const mappings> mappings_;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final
+ bool _is_equal(const type& base_other) const noexcept final
{
const auto& other = static_cast<const typed_enumeration_type<MappingIntegerType>&>(
base_other);
const type::cuptr element_type;
protected:
- virtual bool _is_equal(const type& base_other) const noexcept override;
+ bool _is_equal(const type& base_other) const noexcept override;
};
class static_length_array_type : public array_type {
type::cuptr element_type,
uint64_t in_length);
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const uint64_t length;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final;
+ bool _is_equal(const type& base_other) const noexcept final;
};
class dynamic_length_array_type : public array_type {
type::cuptr element_type,
field_location length_field_location);
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const field_location length_field_location;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final;
+ bool _is_equal(const type& base_other) const noexcept final;
};
class static_length_blob_type : public type {
static_length_blob_type(unsigned int alignment, uint64_t in_length_bytes, roles roles = {});
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const uint64_t length_bytes;
const roles roles_;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final;
+ bool _is_equal(const type& base_other) const noexcept final;
};
class dynamic_length_blob_type : public type {
public:
dynamic_length_blob_type(unsigned int alignment, field_location length_field_location);
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const field_location length_field_location;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final;
+ bool _is_equal(const type& base_other) const noexcept final;
};
class string_type : public type {
const encoding encoding_;
protected:
- virtual bool _is_equal(const type& base_other) const noexcept override;
+ bool _is_equal(const type& base_other) const noexcept override;
};
class static_length_string_type : public string_type {
public:
static_length_string_type(
unsigned int alignment, enum encoding in_encoding, uint64_t length);
- virtual void accept(type_visitor& visitor) const override final;
+
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const uint64_t length;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final;
+ bool _is_equal(const type& base_other) const noexcept final;
};
class dynamic_length_string_type : public string_type {
dynamic_length_string_type(unsigned int alignment,
enum encoding in_encoding,
field_location length_field_location);
- virtual void accept(type_visitor& visitor) const override final;
+
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const field_location length_field_location;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final;
+ bool _is_equal(const type& base_other) const noexcept final;
};
class null_terminated_string_type : public string_type {
public:
null_terminated_string_type(unsigned int alignment, enum encoding in_encoding);
- virtual void accept(type_visitor& visitor) const override final;
+
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
};
class structure_type : public type {
structure_type(unsigned int alignment, fields in_fields);
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const final;
+
+ void accept(type_visitor& visitor) const final;
const fields fields_;
private:
- virtual bool _is_equal(const type& base_other) const noexcept override final;
+ bool _is_equal(const type& base_other) const noexcept final;
};
-template <class MappingIntegerType>
+template <typename MappingIntegerType>
class variant_type : public type {
static_assert(std::is_same<MappingIntegerType,
unsigned_enumeration_type::mapping::range_t::
{
}
- virtual void accept(type_visitor& visitor) const override final;
+ type::cuptr copy() const final
+ {
+ choices copy_of_choices;
+
+ copy_of_choices.reserve(choices_.size());
+ for (const auto& current_choice : choices_) {
+ copy_of_choices.emplace_back(
+ current_choice.first, current_choice.second->copy());
+ }
+
+ return lttng::make_unique<variant_type<MappingIntegerType>>(
+ alignment, selector_field_location, std::move(copy_of_choices));
+ }
+
+ void accept(type_visitor& visitor) const final;
const field_location selector_field_location;
const choices choices_;
-;
private:
static bool _choices_are_equal(const choices& a, const choices& b)
});
}
- virtual bool _is_equal(const type& base_other) const noexcept override final
+ bool _is_equal(const type& base_other) const noexcept final
{
const auto& other = static_cast<decltype(*this)&>(base_other);
} /* namespace lttng */
/*
+ * Field formatters for libfmt.
+ *
* Due to a bug in g++ < 7.1, this specialization must be enclosed in the fmt namespace,
* see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56480.
*/
return format_to(ctx.out(), location_str);
}
};
+
+namespace details {
+template <typename MappingIntegerType>
+::std::string format_mapping_range(typename lttng::sessiond::trace::typed_enumeration_type<
+ MappingIntegerType>::mapping::range_t range)
+{
+ if (range.begin == range.end) {
+ return ::fmt::format("[{}]", range.begin);
+ } else {
+ return ::fmt::format("[{}, {}]", range.begin, range.end);
+ }
+}
+} /* namespace details */
+
+template <>
+struct formatter<typename lttng::sessiond::trace::signed_enumeration_type::mapping::range_t>
+ : formatter<std::string> {
+ template <typename FormatCtx>
+ typename FormatCtx::iterator
+ format(typename lttng::sessiond::trace::signed_enumeration_type::mapping::range_t range,
+ FormatCtx& ctx)
+ {
+ return format_to(ctx.out(),
+ details::format_mapping_range<
+ lttng::sessiond::trace::signed_enumeration_type::
+ mapping::range_t::range_integer_t>(
+ range));
+ }
+};
+
+template <>
+struct formatter<typename lttng::sessiond::trace::unsigned_enumeration_type::mapping::range_t>
+ : formatter<std::string> {
+ template <typename FormatCtx>
+ typename FormatCtx::iterator
+ format(typename lttng::sessiond::trace::unsigned_enumeration_type::mapping::range_t range,
+ FormatCtx& ctx)
+ {
+ return format_to(ctx.out(),
+ details::format_mapping_range<
+ lttng::sessiond::trace::unsigned_enumeration_type::
+ mapping::range_t::range_integer_t>(
+ range));
+ }
+};
+
} /* namespace fmt */
#endif /* LTTNG_FIELD_H */