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https://github.com/fmtlib/fmt.git
synced 2024-11-09 12:50:05 +00:00
Minor cleanup
This commit is contained in:
Victor Zverovich
parent
7c66216008
commit
7e3aa6d982
@ -216,15 +216,15 @@
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# define FMT_DEPRECATED /* deprecated */
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#endif
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#ifndef FMT_NO_UNIQUE_ADDRESS
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# if FMT_CPLUSPLUS >= 202002L
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# if FMT_HAS_CPP_ATTRIBUTE(no_unique_address)
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# define FMT_NO_UNIQUE_ADDRESS [[no_unique_address]]
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#ifdef FMT_NO_UNIQUE_ADDRESS
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// Use the provided definition.
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#elif FMT_CPLUSPLUS < 202002L
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// Not supported.
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#elif FMT_HAS_CPP_ATTRIBUTE(no_unique_address)
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# define FMT_NO_UNIQUE_ADDRESS [[no_unique_address]]
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// VS2019 v16.10 and later except clang-cl (https://reviews.llvm.org/D110485).
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# elif (FMT_MSC_VERSION >= 1929) && !FMT_CLANG_VERSION
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# define FMT_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
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# endif
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# endif
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#elif FMT_MSC_VERSION >= 1929 && !FMT_CLANG_VERSION
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# define FMT_NO_UNIQUE_ADDRESS [[msvc::no_unique_address]]
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#endif
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#ifndef FMT_NO_UNIQUE_ADDRESS
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# define FMT_NO_UNIQUE_ADDRESS
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@ -633,14 +633,31 @@ template <typename Char> class basic_string_view {
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}
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};
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FMT_EXPORT
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using string_view = basic_string_view<char>;
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FMT_EXPORT using string_view = basic_string_view<char>;
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/// Specifies if `T` is a character type. Can be specialized by users.
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FMT_EXPORT
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template <typename T> struct is_char : std::false_type {};
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template <> struct is_char<char> : std::true_type {};
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template <typename T> class basic_appender;
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class context;
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template <typename OutputIt, typename Char> class generic_context;
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template <typename Char>
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using buffered_context =
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conditional_t<std::is_same<Char, char>::value, context,
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generic_context<basic_appender<Char>, Char>>;
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template <typename Context> struct arg_mapper;
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FMT_EXPORT template <typename Context> class basic_format_arg;
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FMT_EXPORT template <typename Context> class basic_format_args;
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FMT_EXPORT template <typename Context> class dynamic_format_arg_store;
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// A separate type would result in shorter symbols but break ABI compatibility
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// between clang and gcc on ARM (#1919).
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using format_args = basic_format_args<context>;
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namespace detail {
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// Constructs fmt::basic_string_view<Char> from types implicitly convertible
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@ -747,6 +764,47 @@ enum {
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cstring_set = set(type::cstring_type),
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pointer_set = set(type::pointer_type)
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};
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struct view {};
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template <typename Char, typename T> struct named_arg : view {
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const Char* name;
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const T& value;
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named_arg(const Char* n, const T& v) : name(n), value(v) {}
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};
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template <typename Char> struct named_arg_info {
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const Char* name;
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int id;
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};
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template <typename T> struct is_named_arg : std::false_type {};
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template <typename T> struct is_statically_named_arg : std::false_type {};
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template <typename Char, typename T>
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struct is_named_arg<named_arg<Char, T>> : std::true_type {};
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template <typename Char, typename T>
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auto unwrap_named_arg(const named_arg<Char, T>& arg) -> const T& {
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return arg.value;
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}
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template <typename T,
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FMT_ENABLE_IF(!is_named_arg<remove_reference_t<T>>::value)>
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auto unwrap_named_arg(T&& value) -> T&& {
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return value;
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}
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template <bool B = false> constexpr auto count() -> size_t { return B ? 1 : 0; }
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template <bool B1, bool B2, bool... Tail> constexpr auto count() -> size_t {
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return (B1 ? 1 : 0) + count<B2, Tail...>();
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}
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template <typename... Args> constexpr auto count_named_args() -> size_t {
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return count<is_named_arg<Args>::value...>();
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}
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template <typename... Args> constexpr auto count_static_named_args() -> size_t {
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return count<is_statically_named_arg<Args>::value...>();
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}
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} // namespace detail
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/// Reports a format error at compile time or, via a `format_error` exception,
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@ -1768,9 +1826,8 @@ FMT_CONSTEXPR void parse_context<Char>::do_check_arg_id(int id) {
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// formatting has its own validation.
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if (detail::is_constant_evaluated() &&
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(!FMT_GCC_VERSION || FMT_GCC_VERSION >= 1200)) {
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using context = detail::compile_parse_context<Char>;
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if (id >= static_cast<context*>(this)->num_args())
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report_error("argument not found");
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auto ctx = static_cast<detail::compile_parse_context<Char>*>(this);
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if (id >= ctx->num_args()) report_error("argument not found");
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}
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}
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@ -1778,29 +1835,11 @@ template <typename Char>
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FMT_CONSTEXPR void parse_context<Char>::check_dynamic_spec(int arg_id) {
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if (detail::is_constant_evaluated() &&
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(!FMT_GCC_VERSION || FMT_GCC_VERSION >= 1200)) {
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using context = detail::compile_parse_context<Char>;
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static_cast<context*>(this)->check_dynamic_spec(arg_id);
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auto ctx = static_cast<detail::compile_parse_context<Char>*>(this);
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ctx->check_dynamic_spec(arg_id);
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}
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}
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FMT_EXPORT template <typename Context> class basic_format_arg;
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FMT_EXPORT template <typename Context> class basic_format_args;
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FMT_EXPORT template <typename Context> class dynamic_format_arg_store;
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class context;
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template <typename OutputIt, typename Char> class generic_context;
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template <typename T> class basic_appender;
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template <typename Char>
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using buffered_context =
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conditional_t<std::is_same<Char, char>::value, context,
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generic_context<basic_appender<Char>, Char>>;
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// A separate type would result in shorter symbols but break ABI compatibility
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// between clang and gcc on ARM (#1919).
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using format_args = basic_format_args<context>;
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// A formatter for objects of type T.
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FMT_EXPORT
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template <typename T, typename Char = char, typename Enable = void>
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@ -1929,47 +1968,6 @@ auto get_iterator(buffer<T>&, OutputIt out) -> OutputIt {
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return out;
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}
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struct view {};
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template <typename Char, typename T> struct named_arg : view {
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const Char* name;
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const T& value;
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named_arg(const Char* n, const T& v) : name(n), value(v) {}
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};
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template <typename Char> struct named_arg_info {
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const Char* name;
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int id;
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};
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template <typename T> struct is_named_arg : std::false_type {};
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template <typename T> struct is_statically_named_arg : std::false_type {};
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template <typename Char, typename T>
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struct is_named_arg<named_arg<Char, T>> : std::true_type {};
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template <typename Char, typename T>
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auto unwrap_named_arg(const named_arg<Char, T>& arg) -> const T& {
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return arg.value;
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}
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template <typename T,
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FMT_ENABLE_IF(!is_named_arg<remove_reference_t<T>>::value)>
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auto unwrap_named_arg(T&& value) -> T&& {
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return value;
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}
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template <bool B = false> constexpr auto count() -> size_t { return B ? 1 : 0; }
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template <bool B1, bool B2, bool... Tail> constexpr auto count() -> size_t {
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return (B1 ? 1 : 0) + count<B2, Tail...>();
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}
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template <typename... Args> constexpr auto count_named_args() -> size_t {
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return count<is_named_arg<Args>::value...>();
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}
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template <typename... Args> constexpr auto count_static_named_args() -> size_t {
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return count<is_statically_named_arg<Args>::value...>();
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}
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struct unformattable {};
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struct unformattable_char : unformattable {};
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struct unformattable_pointer : unformattable {};
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