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author Vas Crabb <vas@vastheman.com>2020-11-15 03:53:47 +1100
committer Vas Crabb <vas@vastheman.com>2020-11-15 03:53:47 +1100
commit55b8ca317ab1f77850f498c1523355e1f5dd8d03 (patch)
treebada7948236b18684609f47024cc9ca227a5ef89 /src/lib/util/strformat.h
parent4db7f0439c3b841eb07d2320e39be38269e6cd56 (diff)
-Switch to building MAME as C++17.
* Updated sol2 to 3.2.2 * Updated pugixml to 1.10 * Increased minimum clang version to 6 * Cleaned up some stuff that can use new features
Diffstat (limited to 'src/lib/util/strformat.h')
-rw-r--r--src/lib/util/strformat.h483
1 files changed, 246 insertions, 237 deletions
diff --git a/src/lib/util/strformat.h b/src/lib/util/strformat.h
index 98c599f4ad6..2ed90669284 100644
--- a/src/lib/util/strformat.h
+++ b/src/lib/util/strformat.h
@@ -543,6 +543,7 @@ public:
case conversion::octal:
case conversion::hexadecimal:
m_positive_sign = positive_sign::none;
+ [[fallthrough]];
case conversion::signed_decimal:
if (0 <= m_precision)
m_zero_pad = false;
@@ -579,8 +580,6 @@ private:
{ static constexpr bool value = std::is_integral<U>::value && std::is_signed<U>::value; };
template <typename U> struct unsigned_integer_semantics
{ static constexpr bool value = std::is_integral<U>::value && !std::is_signed<U>::value; };
- template <typename U> struct default_semantics
- { static constexpr bool value = !signed_integer_semantics<U>::value && !unsigned_integer_semantics<U>::value; };
static void apply_signed(Stream &str, char16_t const &value)
{
@@ -632,186 +631,187 @@ private:
public:
template <typename U>
- static void apply(std::enable_if_t<signed_integer_semantics<U>::value, Stream> &str, format_flags const &flags, U const &value)
+ static void apply(Stream &str, format_flags const &flags, U const &value)
{
- switch (flags.get_conversion())
+ if constexpr (signed_integer_semantics<U>::value)
{
- case format_flags::conversion::signed_decimal:
- switch (flags.get_length())
+ switch (flags.get_conversion())
{
- case format_flags::length::character:
- str << int(static_cast<signed char>(value));
- break;
- case format_flags::length::short_integer:
- str << short(value);
- break;
- case format_flags::length::long_integer:
- str << long(value);
- break;
- case format_flags::length::long_long_integer:
- str << static_cast<long long>(value);
- break;
- case format_flags::length::integer_maximum:
- str << std::intmax_t(value);
- break;
- case format_flags::length::size_type:
- str << std::make_signed_t<std::size_t>(value);
- break;
- case format_flags::length::pointer_difference:
- str << std::make_signed_t<std::ptrdiff_t>(value);
- break;
- case format_flags::length::integer_32:
- str << std::uint32_t(std::int32_t(value));
- break;
- case format_flags::length::integer_64:
- str << std::int64_t(value);
- break;
- default:
- apply_signed(str, value);
- }
- break;
- case format_flags::conversion::unsigned_decimal:
- case format_flags::conversion::octal:
- case format_flags::conversion::hexadecimal:
- switch (flags.get_length())
- {
- case format_flags::length::character:
- str << unsigned(static_cast<unsigned char>(static_cast<signed char>(value)));
- break;
- case format_flags::length::short_integer:
- str << static_cast<unsigned short>(short(value));
- break;
- case format_flags::length::long_integer:
- str << static_cast<unsigned long>(long(value));
- break;
- case format_flags::length::long_long_integer:
- str << static_cast<unsigned long long>(static_cast<long long>(value));
- break;
- case format_flags::length::integer_maximum:
- str << std::uintmax_t(std::intmax_t(value));
- break;
- case format_flags::length::size_type:
- str << std::make_unsigned_t<std::size_t>(std::make_signed_t<std::size_t>(value));
+ case format_flags::conversion::signed_decimal:
+ switch (flags.get_length())
+ {
+ case format_flags::length::character:
+ str << int(static_cast<signed char>(value));
+ break;
+ case format_flags::length::short_integer:
+ str << short(value);
+ break;
+ case format_flags::length::long_integer:
+ str << long(value);
+ break;
+ case format_flags::length::long_long_integer:
+ str << static_cast<long long>(value);
+ break;
+ case format_flags::length::integer_maximum:
+ str << std::intmax_t(value);
+ break;
+ case format_flags::length::size_type:
+ str << std::make_signed_t<std::size_t>(value);
+ break;
+ case format_flags::length::pointer_difference:
+ str << std::make_signed_t<std::ptrdiff_t>(value);
+ break;
+ case format_flags::length::integer_32:
+ str << std::uint32_t(std::int32_t(value));
+ break;
+ case format_flags::length::integer_64:
+ str << std::int64_t(value);
+ break;
+ default:
+ apply_signed(str, value);
+ }
break;
- case format_flags::length::pointer_difference:
- str << std::make_unsigned_t<std::ptrdiff_t>(std::make_signed_t<std::ptrdiff_t>(value));
+ case format_flags::conversion::unsigned_decimal:
+ case format_flags::conversion::octal:
+ case format_flags::conversion::hexadecimal:
+ switch (flags.get_length())
+ {
+ case format_flags::length::character:
+ str << unsigned(static_cast<unsigned char>(static_cast<signed char>(value)));
+ break;
+ case format_flags::length::short_integer:
+ str << static_cast<unsigned short>(short(value));
+ break;
+ case format_flags::length::long_integer:
+ str << static_cast<unsigned long>(long(value));
+ break;
+ case format_flags::length::long_long_integer:
+ str << static_cast<unsigned long long>(static_cast<long long>(value));
+ break;
+ case format_flags::length::integer_maximum:
+ str << std::uintmax_t(std::intmax_t(value));
+ break;
+ case format_flags::length::size_type:
+ str << std::make_unsigned_t<std::size_t>(std::make_signed_t<std::size_t>(value));
+ break;
+ case format_flags::length::pointer_difference:
+ str << std::make_unsigned_t<std::ptrdiff_t>(std::make_signed_t<std::ptrdiff_t>(value));
+ break;
+ case format_flags::length::integer_32:
+ str << std::uint32_t(std::int32_t(value));
+ break;
+ case format_flags::length::integer_64:
+ str << std::uint64_t(std::int64_t(value));
+ break;
+ default:
+ apply_unsigned(str, value);
+ }
break;
- case format_flags::length::integer_32:
- str << std::uint32_t(std::int32_t(value));
+ case format_flags::conversion::character:
+ if (std::is_signed<typename Stream::char_type>::value)
+ str << typename Stream::char_type(value);
+ else
+ str << typename Stream::char_type(std::make_signed_t<typename Stream::char_type>(value));
break;
- case format_flags::length::integer_64:
- str << std::uint64_t(std::int64_t(value));
+ case format_flags::conversion::pointer:
+ str << reinterpret_cast<void const *>(std::uintptr_t(std::intptr_t(value)));
break;
default:
- apply_unsigned(str, value);
+ str << value;
}
- break;
- case format_flags::conversion::character:
- if (std::is_signed<typename Stream::char_type>::value)
- str << typename Stream::char_type(value);
- else
- str << typename Stream::char_type(std::make_signed_t<typename Stream::char_type>(value));
- break;
- case format_flags::conversion::pointer:
- str << reinterpret_cast<void const *>(std::uintptr_t(std::intptr_t(value)));
- break;
- default:
- str << value;
}
- }
- template <typename U>
- static void apply(std::enable_if_t<unsigned_integer_semantics<U>::value, Stream> &str, format_flags const &flags, U const &value)
- {
- switch (flags.get_conversion())
+ else if constexpr (unsigned_integer_semantics<U>::value)
{
- case format_flags::conversion::signed_decimal:
- switch (flags.get_length())
- {
- case format_flags::length::character:
- str << int(static_cast<signed char>(static_cast<unsigned char>(value)));
- break;
- case format_flags::length::short_integer:
- str << short(static_cast<unsigned short>(value));
- break;
- case format_flags::length::long_integer:
- str << long(static_cast<unsigned long>(value));
- break;
- case format_flags::length::long_long_integer:
- str << static_cast<long long>(static_cast<unsigned long long>(value));
- break;
- case format_flags::length::integer_maximum:
- str << std::intmax_t(std::uintmax_t(value));
- break;
- case format_flags::length::size_type:
- str << std::make_signed_t<std::size_t>(std::make_unsigned_t<std::size_t>(value));
- break;
- case format_flags::length::pointer_difference:
- str << std::make_signed_t<std::ptrdiff_t>(std::make_unsigned_t<std::ptrdiff_t>(value));
- break;
- case format_flags::length::integer_32:
- str << std::int32_t(std::uint32_t(value));
- break;
- case format_flags::length::integer_64:
- str << std::int64_t(std::uint64_t(value));
- break;
- default:
- apply_signed(str, value);
- }
- break;
- case format_flags::conversion::unsigned_decimal:
- case format_flags::conversion::octal:
- case format_flags::conversion::hexadecimal:
- switch (flags.get_length())
+ switch (flags.get_conversion())
{
- case format_flags::length::character:
- str << unsigned(static_cast<unsigned char>(value));
- break;
- case format_flags::length::short_integer:
- str << static_cast<unsigned short>(value);
- break;
- case format_flags::length::long_integer:
- str << static_cast<unsigned long>(value);
- break;
- case format_flags::length::long_long_integer:
- str << static_cast<unsigned long long>(value);
- break;
- case format_flags::length::integer_maximum:
- str << std::uintmax_t(value);
- break;
- case format_flags::length::size_type:
- str << std::make_unsigned_t<std::size_t>(value);
+ case format_flags::conversion::signed_decimal:
+ switch (flags.get_length())
+ {
+ case format_flags::length::character:
+ str << int(static_cast<signed char>(static_cast<unsigned char>(value)));
+ break;
+ case format_flags::length::short_integer:
+ str << short(static_cast<unsigned short>(value));
+ break;
+ case format_flags::length::long_integer:
+ str << long(static_cast<unsigned long>(value));
+ break;
+ case format_flags::length::long_long_integer:
+ str << static_cast<long long>(static_cast<unsigned long long>(value));
+ break;
+ case format_flags::length::integer_maximum:
+ str << std::intmax_t(std::uintmax_t(value));
+ break;
+ case format_flags::length::size_type:
+ str << std::make_signed_t<std::size_t>(std::make_unsigned_t<std::size_t>(value));
+ break;
+ case format_flags::length::pointer_difference:
+ str << std::make_signed_t<std::ptrdiff_t>(std::make_unsigned_t<std::ptrdiff_t>(value));
+ break;
+ case format_flags::length::integer_32:
+ str << std::int32_t(std::uint32_t(value));
+ break;
+ case format_flags::length::integer_64:
+ str << std::int64_t(std::uint64_t(value));
+ break;
+ default:
+ apply_signed(str, value);
+ }
break;
- case format_flags::length::pointer_difference:
- str << std::make_unsigned_t<std::ptrdiff_t>(value);
+ case format_flags::conversion::unsigned_decimal:
+ case format_flags::conversion::octal:
+ case format_flags::conversion::hexadecimal:
+ switch (flags.get_length())
+ {
+ case format_flags::length::character:
+ str << unsigned(static_cast<unsigned char>(value));
+ break;
+ case format_flags::length::short_integer:
+ str << static_cast<unsigned short>(value);
+ break;
+ case format_flags::length::long_integer:
+ str << static_cast<unsigned long>(value);
+ break;
+ case format_flags::length::long_long_integer:
+ str << static_cast<unsigned long long>(value);
+ break;
+ case format_flags::length::integer_maximum:
+ str << std::uintmax_t(value);
+ break;
+ case format_flags::length::size_type:
+ str << std::make_unsigned_t<std::size_t>(value);
+ break;
+ case format_flags::length::pointer_difference:
+ str << std::make_unsigned_t<std::ptrdiff_t>(value);
+ break;
+ case format_flags::length::integer_32:
+ str << std::uint32_t(std::int32_t(value));
+ break;
+ case format_flags::length::integer_64:
+ str << std::int64_t(value);
+ break;
+ default:
+ apply_unsigned(str, value);
+ }
break;
- case format_flags::length::integer_32:
- str << std::uint32_t(std::int32_t(value));
+ case format_flags::conversion::character:
+ if (std::is_signed<typename Stream::char_type>::value)
+ str << typename Stream::char_type(value);
+ else
+ str << typename Stream::char_type(std::make_signed_t<typename Stream::char_type>(value));
break;
- case format_flags::length::integer_64:
- str << std::int64_t(value);
+ case format_flags::conversion::pointer:
+ str << reinterpret_cast<void const *>(std::uintptr_t(value));
break;
default:
- apply_unsigned(str, value);
+ str << value;
}
- break;
- case format_flags::conversion::character:
- if (std::is_signed<typename Stream::char_type>::value)
- str << typename Stream::char_type(value);
- else
- str << typename Stream::char_type(std::make_signed_t<typename Stream::char_type>(value));
- break;
- case format_flags::conversion::pointer:
- str << reinterpret_cast<void const *>(std::uintptr_t(value));
- break;
- default:
+ }
+ else
+ {
str << value;
}
}
- template <typename U>
- static void apply(std::enable_if_t<default_semantics<U>::value, Stream> &str, format_flags const &flags, U const &value)
- {
- str << value;
- }
static void apply(Stream &str, format_flags const &flags, bool value)
{
switch (flags.get_conversion())
@@ -834,36 +834,34 @@ public:
}
}
template <typename CharT, typename Traits, typename Allocator>
- static void apply(std::enable_if_t<std::is_same<CharT, typename Stream::char_type>::value, Stream> &str, format_flags const &flags, std::basic_string<CharT, Traits, Allocator> const &value)
+ static void apply(Stream &str, format_flags const &flags, std::basic_string<CharT, Traits, Allocator> const &value)
{
int const precision(flags.get_precision());
if ((0 <= precision) && (value.size() > unsigned(precision)))
{
- unsigned width(flags.get_field_width());
- bool const pad(unsigned(precision) < width);
- typename Stream::fmtflags const adjust(str.flags() & Stream::adjustfield);
- if (!pad || (Stream::left == adjust)) str.write(&*value.begin(), unsigned(precision));
- if (pad)
+ if constexpr (std::is_same_v<CharT, typename Stream::char_type>)
+ {
+ unsigned width(flags.get_field_width());
+ bool const pad(unsigned(precision) < width);
+ typename Stream::fmtflags const adjust(str.flags() & Stream::adjustfield);
+ if (!pad || (Stream::left == adjust)) str.write(&*value.begin(), unsigned(precision));
+ if (pad)
+ {
+ for (width -= precision; 0U < width; --width) str.put(str.fill());
+ if (Stream::left != adjust) str.write(&*value.begin(), unsigned(precision));
+ }
+ str.width(0);
+ }
+ else
{
- for (width -= precision; 0U < width; --width) str.put(str.fill());
- if (Stream::left != adjust) str.write(&*value.begin(), unsigned(precision));
+ str << value.substr(0, unsigned(precision));
}
- str.width(0);
}
else
{
str << value;
}
}
- template <typename CharT, typename Traits, typename Allocator>
- static void apply(std::enable_if_t<!std::is_same<CharT, typename Stream::char_type>::value, Stream> &str, format_flags const &flags, std::basic_string<CharT, Traits, Allocator> const &value)
- {
- int const precision(flags.get_precision());
- if ((0 <= precision) && (value.size() > unsigned(precision)))
- str << value.substr(0, unsigned(precision));
- else
- str << value;
- }
};
template <typename Stream, typename T>
@@ -875,46 +873,48 @@ protected:
public:
template <typename U>
- static void apply(std::enable_if_t<string_semantics<U>::value, Stream> &str, format_flags const &flags, U const *value)
+ static void apply(Stream &str, format_flags const &flags, U const *value)
{
- switch (flags.get_conversion())
+ if constexpr (string_semantics<U>::value)
{
- case format_flags::conversion::string:
+ switch (flags.get_conversion())
{
- int precision(flags.get_precision());
- if (0 <= flags.get_precision())
+ case format_flags::conversion::string:
{
- std::streamsize cnt(0);
- for ( ; (0 < precision) && (U(format_chars<U>::nul) != value[cnt]); --precision, ++cnt) { }
- unsigned width(flags.get_field_width());
- bool const pad(std::make_unsigned_t<std::streamsize>(cnt) < width);
- typename Stream::fmtflags const adjust(str.flags() & Stream::adjustfield);
- if (!pad || (Stream::left == adjust)) str.write(value, cnt);
- if (pad)
+ int precision(flags.get_precision());
+ if (0 <= flags.get_precision())
{
- for (width -= cnt; 0U < width; --width) str.put(str.fill());
- if (Stream::left != adjust) str.write(value, cnt);
+ std::streamsize cnt(0);
+ for ( ; (0 < precision) && (U(format_chars<U>::nul) != value[cnt]); --precision, ++cnt) { }
+ unsigned width(flags.get_field_width());
+ bool const pad(std::make_unsigned_t<std::streamsize>(cnt) < width);
+ typename Stream::fmtflags const adjust(str.flags() & Stream::adjustfield);
+ if (!pad || (Stream::left == adjust)) str.write(value, cnt);
+ if (pad)
+ {
+ for (width -= cnt; 0U < width; --width) str.put(str.fill());
+ if (Stream::left != adjust) str.write(value, cnt);
+ }
+ str.width(0);
+ }
+ else
+ {
+ str << value;
}
- str.width(0);
- }
- else
- {
- str << value;
}
+ break;
+ case format_flags::conversion::pointer:
+ str << reinterpret_cast<void const *>(const_cast<std::remove_volatile_t<U> *>(value));
+ break;
+ default:
+ str << value;
}
- break;
- case format_flags::conversion::pointer:
+ }
+ else
+ {
str << reinterpret_cast<void const *>(const_cast<std::remove_volatile_t<U> *>(value));
- break;
- default:
- str << value;
}
}
- template <typename U>
- static void apply(std::enable_if_t<!string_semantics<U>::value, Stream> &str, format_flags const &flags, U const *value)
- {
- str << reinterpret_cast<void const *>(const_cast<std::remove_volatile_t<U> *>(value));
- }
};
template <typename Stream, typename T, std::size_t N>
@@ -947,23 +947,24 @@ private:
{ static constexpr bool value = std::is_convertible<U const, unsigned>::value && std::is_unsigned<U>::value; };
template <typename U> struct use_signed_cast
{ static constexpr bool value = !use_unsigned_cast<U>::value && std::is_convertible<U const, int>::value; };
- template <typename U> struct disable
- { static constexpr bool value = !use_unsigned_cast<U>::value && !use_signed_cast<U>::value; };
public:
- template <typename U> static std::enable_if_t<use_unsigned_cast<U>::value, bool> apply(U const &value, int &result)
- {
- result = int(unsigned(value));
- return true;
- }
- template <typename U> static std::enable_if_t<use_signed_cast<U>::value, bool> apply(U const &value, int &result)
- {
- result = int(value);
- return true;
- }
- template <typename U> static std::enable_if_t<disable<U>::value, bool> apply(U const &value, int &result)
+ template <typename U> static bool apply(U const &value, int &result)
{
- return false;
+ if constexpr (use_unsigned_cast<U>::value)
+ {
+ result = int(unsigned(value));
+ return true;
+ }
+ else if constexpr (use_signed_cast<U>::value)
+ {
+ result = int(value);
+ return true;
+ }
+ else
+ {
+ return false;
+ }
}
};
@@ -984,24 +985,25 @@ private:
{ static constexpr bool value = is_non_const_ptr<U>::value && is_unsigned_ptr<U>::value && std::is_convertible<std::make_unsigned_t<std::streamoff>, std::remove_pointer_t<U> >::value; };
template <typename U> struct use_signed_cast
{ static constexpr bool value = is_non_const_ptr<U>::value && !use_unsigned_cast<U>::value && std::is_convertible<std::streamoff, std::remove_pointer_t<U> >::value; };
- template <typename U> struct disable
- { static constexpr bool value = !use_unsigned_cast<U>::value && !use_signed_cast<U>::value; };
public:
- template <typename U> static std::enable_if_t<use_unsigned_cast<U>::value, bool> apply(U const &value, std::streamoff data)
- {
- *value = std::remove_pointer_t<U>(std::make_unsigned_t<std::streamoff>(data));
- return true;
- }
- template <typename U> static std::enable_if_t<use_signed_cast<U>::value, bool> apply(U const &value, std::streamoff data)
- {
- *value = std::remove_pointer_t<U>(std::make_signed_t<std::streamoff>(data));
- return true;
- }
- template <typename U> static std::enable_if_t<disable<U>::value, bool> apply(U const &value, std::streamoff data)
+ template <typename U> static bool apply(U const &value, std::streamoff data)
{
- assert(false); // inappropriate type for storing characters written so far
- return false;
+ if constexpr (use_unsigned_cast<U>::value)
+ {
+ *value = std::remove_pointer_t<U>(std::make_unsigned_t<std::streamoff>(data));
+ return true;
+ }
+ else if constexpr (use_signed_cast<U>::value)
+ {
+ *value = std::remove_pointer_t<U>(std::make_signed_t<std::streamoff>(data));
+ return true;
+ }
+ else
+ {
+ assert(false); // inappropriate type for storing characters written so far
+ return false;
+ }
}
};
@@ -1429,38 +1431,45 @@ public:
break;
case format_helper::X:
flags.set_uppercase();
+ [[fallthrough]];
case format_helper::x:
flags.set_conversion(format_flags::conversion::hexadecimal);
break;
case format_helper::E:
flags.set_uppercase();
+ [[fallthrough]];
case format_helper::e:
flags.set_conversion(format_flags::conversion::scientific_decimal);
break;
case format_helper::F:
flags.set_uppercase();
+ [[fallthrough]];
case format_helper::f:
flags.set_conversion(format_flags::conversion::fixed_decimal);
break;
case format_helper::G:
flags.set_uppercase();
+ [[fallthrough]];
case format_helper::g:
flags.set_conversion(format_flags::conversion::floating_decimal);
break;
case format_helper::A:
flags.set_uppercase();
+ [[fallthrough]];
case format_helper::a:
flags.set_conversion(format_flags::conversion::scientific_hexadecimal);
break;
case format_helper::C:
if (format_flags::length::unspecified == flags.get_length())
flags.set_length(format_flags::length::long_integer);
+ [[fallthrough]];
case format_helper::c:
flags.set_conversion(format_flags::conversion::character);
break;
case format_helper::S:
if (format_flags::length::unspecified == flags.get_length())
flags.set_length(format_flags::length::long_integer);
+ [[fallthrough]];
case format_helper::s:
flags.set_conversion(format_flags::conversion::string);
break;