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Export of internal Abseil changes

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d447fdcb801036cf08197eece193a5a706661120 by Gennadiy Rozental <rogeeff@google.com>:

Eliminate the need for static function holding help message. This decreases the cost of ABSL_FLAG abstraction by 120 bytes under clang.

PiperOrigin-RevId: 281107806

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0aa6b91189f0e8b2381438c33465673a7ae02487 by Derek Mauro <dmauro@google.com>:

Disable the weak symbol CCTZ extension in the time test_util
on MinGW, which does not support it.

PiperOrigin-RevId: 280719769

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67322c41c3e776eb541de90fa4526bdb49422eb6 by Abseil Team <absl-team@google.com>:

Tune PeriodicSampler implementation (for internal-use only)

PiperOrigin-RevId: 280708943

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3a48c346340c7ed03816645cd327e1ff07729aa4 by Abseil Team <absl-team@google.com>:

Clean up public headers not to have warnings for "-Wcomma"

PiperOrigin-RevId: 280695373

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981acd1ef3b13a83a84f04f11c8931f4ed4451c9 by Matthew Brown <matthewbr@google.com>:

Release absl::int128.

PiperOrigin-RevId: 280690817

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d30fae9d2ec30b81322d2eb5afe7e13e45b4b422 by Derek Mauro <dmauro@google.com>:

Fix -Wundef warnings in random platform detection

PiperOrigin-RevId: 280669598
GitOrigin-RevId: d447fdcb801036cf08197eece193a5a706661120
Change-Id: Ie5e10e567c54b7de211833607689f233d4ddf734
This commit is contained in:
Abseil Team 2019-11-18 11:02:26 -08:00 • committed by Gennadiy Civil
parent 3df7b52a6a
commit 2103fd9acd
23 changed files with 2800 additions and 136 deletions
Download patch file Download diff file Expand all files Collapse all files

12
absl/strings/internal/str_format/arg.cc
View file

@ -32,6 +32,10 @@ void ReducePadding(size_t n, size_t *capacity) {
template <typename T>
struct MakeUnsigned : std::make_unsigned<T> {};
template <>
struct MakeUnsigned<absl::int128> {
using type = absl::uint128;
};
template <>
struct MakeUnsigned<absl::uint128> {
using type = absl::uint128;
};
@ -39,6 +43,8 @@ struct MakeUnsigned<absl::uint128> {
template <typename T>
struct IsSigned : std::is_signed<T> {};
template <>
struct IsSigned<absl::int128> : std::true_type {};
template <>
struct IsSigned<absl::uint128> : std::false_type {};
class ConvertedIntInfo {
@ -363,6 +369,11 @@ IntegralConvertResult FormatConvertImpl(unsigned long long v, // NOLINT
FormatSinkImpl *sink) {
return {ConvertIntArg(v, conv, sink)};
}
IntegralConvertResult FormatConvertImpl(absl::int128 v,
const ConversionSpec conv,
FormatSinkImpl *sink) {
return {ConvertIntArg(v, conv, sink)};
}
IntegralConvertResult FormatConvertImpl(absl::uint128 v,
const ConversionSpec conv,
FormatSinkImpl *sink) {
@ -372,6 +383,7 @@ IntegralConvertResult FormatConvertImpl(absl::uint128 v,
ABSL_INTERNAL_FORMAT_DISPATCH_OVERLOADS_EXPAND_();
} // namespace str_format_internal
} // namespace absl

4
absl/strings/internal/str_format/arg.h
View file

@ -144,6 +144,8 @@ IntegralConvertResult FormatConvertImpl(long long v, // NOLINT
IntegralConvertResult FormatConvertImpl(unsigned long long v, // NOLINT
ConversionSpec conv,
FormatSinkImpl* sink);
IntegralConvertResult FormatConvertImpl(int128 v, ConversionSpec conv,
FormatSinkImpl* sink);
IntegralConvertResult FormatConvertImpl(uint128 v, ConversionSpec conv,
FormatSinkImpl* sink);
template <typename T, enable_if_t<std::is_same<T, bool>::value, int> = 0>
@ -408,6 +410,7 @@ class FormatArgImpl {
__VA_ARGS__); \
ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(unsigned long long, /* NOLINT */ \
__VA_ARGS__); \
ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(int128, __VA_ARGS__); \
ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(uint128, __VA_ARGS__); \
ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(float, __VA_ARGS__); \
ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(double, __VA_ARGS__); \
@ -418,6 +421,7 @@ class FormatArgImpl {
ABSL_INTERNAL_FORMAT_DISPATCH_OVERLOADS_EXPAND_(extern);
} // namespace str_format_internal
} // namespace absl

37
absl/strings/internal/str_format/convert_test.cc
View file

@ -390,7 +390,6 @@ typedef ::testing::Types<
AllIntTypes;
INSTANTIATE_TYPED_TEST_CASE_P(TypedFormatConvertTestWithAllIntTypes,
TypedFormatConvertTest, AllIntTypes);
TEST_F(FormatConvertTest, VectorBool) {
// Make sure vector<bool>'s values behave as bools.
std::vector<bool> v = {true, false};
@ -402,6 +401,42 @@ TEST_F(FormatConvertTest, VectorBool) {
FormatArgImpl(cv[0]), FormatArgImpl(cv[1])})));
}
TEST_F(FormatConvertTest, Int128) {
absl::int128 positive = static_cast<absl::int128>(0x1234567890abcdef) * 1979;
absl::int128 negative = -positive;
absl::int128 max = absl::Int128Max(), min = absl::Int128Min();
const FormatArgImpl args[] = {FormatArgImpl(positive),
FormatArgImpl(negative), FormatArgImpl(max),
FormatArgImpl(min)};
struct Case {
const char* format;
const char* expected;
} cases[] = {
{"%1$d", "2595989796776606496405"},
{"%1$30d", " 2595989796776606496405"},
{"%1$-30d", "2595989796776606496405 "},
{"%1$u", "2595989796776606496405"},
{"%1$x", "8cba9876066020f695"},
{"%2$d", "-2595989796776606496405"},
{"%2$30d", " -2595989796776606496405"},
{"%2$-30d", "-2595989796776606496405 "},
{"%2$u", "340282366920938460867384810655161715051"},
{"%2$x", "ffffffffffffff73456789f99fdf096b"},
{"%3$d", "170141183460469231731687303715884105727"},
{"%3$u", "170141183460469231731687303715884105727"},
{"%3$x", "7fffffffffffffffffffffffffffffff"},
{"%4$d", "-170141183460469231731687303715884105728"},
{"%4$x", "80000000000000000000000000000000"},
};
for (auto c : cases) {
UntypedFormatSpecImpl format(c.format);
EXPECT_EQ(c.expected, FormatPack(format, absl::MakeSpan(args)));
}
}
TEST_F(FormatConvertTest, Uint128) {
absl::uint128 v = static_cast<absl::uint128>(0x1234567890abcdef) * 1979;
absl::uint128 max = absl::Uint128Max();