From aa844899c937bde5d2b24f276b59997e5b668bde Mon Sep 17 00:00:00 2001 From: Abseil Team Date: Thu, 8 Aug 2019 10:56:58 -0700 Subject: Creation of LTS branch "lts_2019_08_08" - 9ee91d3e430fb33a4590486573792eb0fa146c2d Export of internal Abseil changes by Abseil Team - 8efba58a3b656e9b41fb0471ae6453425a61c520 Export of internal Abseil changes by Abseil Team - b49b8d16b67ec6912899684b732e6367f258cfdb Export of internal Abseil changes by Abseil Team - 67222ffc4c83d918ce8395aa61769eeb77df4c4d Export of internal Abseil changes by Abseil Team - c5c4db4f5191fe5e76cbf68dcc71fb28702f7d2b Export of internal Abseil changes by Abseil Team - 14550beb3b7b97195e483fb74b5efb906395c31e Export of internal Abseil changes. by Abseil Team - 52e88ee56b72cf32bc66534d942c7398ce481331 Export of internal Abseil changes. by Abseil Team - 36d37ab992038f52276ca66b9da80c1cf0f57dc2 Export of internal Abseil changes. by Abseil Team - ad1485c8986246b2ae9105e512738d0e97aec887 Export of internal Abseil changes. by 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internal Abseil changes. by Abseil Team GitOrigin-RevId: 9ee91d3e430fb33a4590486573792eb0fa146c2d Change-Id: Ia06e548bc106cc9d136f6c65714be6645317aced --- absl/strings/internal/char_map.h | 6 +- absl/strings/internal/char_map_benchmark.cc | 2 +- absl/strings/internal/char_map_test.cc | 2 +- absl/strings/internal/charconv_bigint.cc | 6 +- absl/strings/internal/charconv_bigint.h | 20 +-- absl/strings/internal/charconv_bigint_test.cc | 6 +- absl/strings/internal/charconv_parse.cc | 6 +- absl/strings/internal/charconv_parse.h | 6 +- absl/strings/internal/charconv_parse_test.cc | 2 +- absl/strings/internal/escaping_test_common.h | 6 +- absl/strings/internal/memutil.cc | 6 +- absl/strings/internal/memutil.h | 6 +- absl/strings/internal/memutil_benchmark.cc | 2 +- absl/strings/internal/memutil_test.cc | 2 +- absl/strings/internal/numbers_test_common.h | 6 +- absl/strings/internal/ostringstream.cc | 6 +- absl/strings/internal/ostringstream.h | 22 +-- absl/strings/internal/ostringstream_benchmark.cc | 2 +- absl/strings/internal/ostringstream_test.cc | 2 +- absl/strings/internal/pow10_helper.cc | 6 +- absl/strings/internal/pow10_helper.h | 12 +- absl/strings/internal/pow10_helper_test.cc | 6 +- absl/strings/internal/resize_uninitialized.h | 47 ++++--- absl/strings/internal/resize_uninitialized_test.cc | 26 ++-- absl/strings/internal/stl_type_traits.h | 6 +- absl/strings/internal/str_format/arg.cc | 4 +- absl/strings/internal/str_format/arg.h | 16 ++- absl/strings/internal/str_format/arg_test.cc | 6 +- absl/strings/internal/str_format/bind.cc | 15 ++- absl/strings/internal/str_format/bind.h | 32 +++-- absl/strings/internal/str_format/bind_test.cc | 28 ++-- absl/strings/internal/str_format/checker.h | 4 +- absl/strings/internal/str_format/checker_test.cc | 70 +++++----- absl/strings/internal/str_format/convert_test.cc | 27 +++- absl/strings/internal/str_format/extension.cc | 6 +- absl/strings/internal/str_format/extension.h | 9 +- absl/strings/internal/str_format/extension_test.cc | 3 +- .../internal/str_format/float_conversion.cc | 8 +- .../strings/internal/str_format/float_conversion.h | 4 +- absl/strings/internal/str_format/output.cc | 6 +- absl/strings/internal/str_format/output.h | 6 +- absl/strings/internal/str_format/output_test.cc | 13 +- absl/strings/internal/str_format/parser.cc | 150 ++++++++++----------- absl/strings/internal/str_format/parser.h | 132 +++++++++++------- absl/strings/internal/str_format/parser_test.cc | 31 +++-- absl/strings/internal/str_join_internal.h | 19 +-- absl/strings/internal/str_split_internal.h | 18 +-- absl/strings/internal/utf8.cc | 6 +- absl/strings/internal/utf8.h | 7 +- absl/strings/internal/utf8_test.cc | 19 ++- 50 files changed, 468 insertions(+), 390 deletions(-) (limited to 'absl/strings/internal') diff --git a/absl/strings/internal/char_map.h b/absl/strings/internal/char_map.h index 10b7d007..772ae869 100644 --- a/absl/strings/internal/char_map.h +++ b/absl/strings/internal/char_map.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -28,7 +28,7 @@ #include "absl/base/port.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { class Charmap { @@ -150,7 +150,7 @@ constexpr Charmap GraphCharmap() { return PrintCharmap() & ~SpaceCharmap(); } constexpr Charmap PunctCharmap() { return GraphCharmap() & ~AlnumCharmap(); } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_CHAR_MAP_H_ diff --git a/absl/strings/internal/char_map_benchmark.cc b/absl/strings/internal/char_map_benchmark.cc index c45f3157..5cef967b 100644 --- a/absl/strings/internal/char_map_benchmark.cc +++ b/absl/strings/internal/char_map_benchmark.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, diff --git a/absl/strings/internal/char_map_test.cc b/absl/strings/internal/char_map_test.cc index c3601e10..d3306241 100644 --- a/absl/strings/internal/char_map_test.cc +++ b/absl/strings/internal/char_map_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, diff --git a/absl/strings/internal/charconv_bigint.cc b/absl/strings/internal/charconv_bigint.cc index dac907e2..58c909f4 100644 --- a/absl/strings/internal/charconv_bigint.cc +++ b/absl/strings/internal/charconv_bigint.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -19,7 +19,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { namespace { @@ -355,5 +355,5 @@ template class BigUnsigned<4>; template class BigUnsigned<84>; } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/charconv_bigint.h b/absl/strings/internal/charconv_bigint.h index ffafc11c..5aef416b 100644 --- a/absl/strings/internal/charconv_bigint.h +++ b/absl/strings/internal/charconv_bigint.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -25,7 +25,7 @@ #include "absl/strings/string_view.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { // The largest power that 5 that can be raised to, and still fit in a uint32_t. @@ -104,12 +104,12 @@ class BigUnsigned { SetToZero(); return; } - size_ = std::min(size_ + word_shift, max_words); + size_ = (std::min)(size_ + word_shift, max_words); count %= 32; if (count == 0) { std::copy_backward(words_, words_ + size_ - word_shift, words_ + size_); } else { - for (int i = std::min(size_, max_words - 1); i > word_shift; --i) { + for (int i = (std::min)(size_, max_words - 1); i > word_shift; --i) { words_[i] = (words_[i - word_shift] << count) | (words_[i - word_shift - 1] >> (32 - count)); } @@ -268,7 +268,7 @@ class BigUnsigned { void MultiplyBy(int other_size, const uint32_t* other_words) { const int original_size = size_; const int first_step = - std::min(original_size + other_size - 2, max_words - 1); + (std::min)(original_size + other_size - 2, max_words - 1); for (int step = first_step; step >= 0; --step) { MultiplyStep(original_size, other_words, other_size, step); } @@ -287,7 +287,7 @@ class BigUnsigned { value = 0; } } - size_ = std::min(max_words, std::max(index + 1, size_)); + size_ = (std::min)(max_words, (std::max)(index + 1, size_)); } } @@ -310,7 +310,7 @@ class BigUnsigned { } else { // Normally 32-bit AddWithCarry() sets size_, but since we don't call // it when `high` is 0, do it ourselves here. - size_ = std::min(max_words, std::max(index + 1, size_)); + size_ = (std::min)(max_words, (std::max)(index + 1, size_)); } } } @@ -349,7 +349,7 @@ class BigUnsigned { // Returns -1 if lhs < rhs, 0 if lhs == rhs, and 1 if lhs > rhs. template int Compare(const BigUnsigned& lhs, const BigUnsigned& rhs) { - int limit = std::max(lhs.size(), rhs.size()); + int limit = (std::max)(lhs.size(), rhs.size()); for (int i = limit - 1; i >= 0; --i) { const uint32_t lhs_word = lhs.GetWord(i); const uint32_t rhs_word = rhs.GetWord(i); @@ -364,7 +364,7 @@ int Compare(const BigUnsigned& lhs, const BigUnsigned& rhs) { template bool operator==(const BigUnsigned& lhs, const BigUnsigned& rhs) { - int limit = std::max(lhs.size(), rhs.size()); + int limit = (std::max)(lhs.size(), rhs.size()); for (int i = 0; i < limit; ++i) { if (lhs.GetWord(i) != rhs.GetWord(i)) { return false; @@ -415,7 +415,7 @@ extern template class BigUnsigned<4>; extern template class BigUnsigned<84>; } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_CHARCONV_BIGINT_H_ diff --git a/absl/strings/internal/charconv_bigint_test.cc b/absl/strings/internal/charconv_bigint_test.cc index dbab3208..590511d0 100644 --- a/absl/strings/internal/charconv_bigint_test.cc +++ b/absl/strings/internal/charconv_bigint_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -19,7 +19,7 @@ #include "gtest/gtest.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { TEST(BigUnsigned, ShiftLeft) { @@ -201,5 +201,5 @@ TEST(BigUnsigned, TenToTheNth) { } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/charconv_parse.cc b/absl/strings/internal/charconv_parse.cc index 68d65a8a..4dd4ecb3 100644 --- a/absl/strings/internal/charconv_parse.cc +++ b/absl/strings/internal/charconv_parse.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -22,7 +22,7 @@ #include "absl/strings/internal/memutil.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace { // ParseFloat<10> will read the first 19 significant digits of the mantissa. @@ -494,5 +494,5 @@ template ParsedFloat ParseFloat<16>(const char* begin, const char* end, chars_format format_flags); } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/charconv_parse.h b/absl/strings/internal/charconv_parse.h index 17d5a8f8..ddfc87f8 100644 --- a/absl/strings/internal/charconv_parse.h +++ b/absl/strings/internal/charconv_parse.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -20,7 +20,7 @@ #include "absl/strings/charconv.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { // Enum indicating whether a parsed float is a number or special value. @@ -93,6 +93,6 @@ extern template ParsedFloat ParseFloat<16>(const char* begin, const char* end, absl::chars_format format_flags); } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_CHARCONV_PARSE_H_ diff --git a/absl/strings/internal/charconv_parse_test.cc b/absl/strings/internal/charconv_parse_test.cc index f48b9aee..9511c987 100644 --- a/absl/strings/internal/charconv_parse_test.cc +++ b/absl/strings/internal/charconv_parse_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, diff --git a/absl/strings/internal/escaping_test_common.h b/absl/strings/internal/escaping_test_common.h index 50ef595f..ecd3aa35 100644 --- a/absl/strings/internal/escaping_test_common.h +++ b/absl/strings/internal/escaping_test_common.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -22,7 +22,7 @@ #include "absl/strings/string_view.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { struct base64_testcase { @@ -127,7 +127,7 @@ inline const std::array& base64_strings() { } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_ESCAPING_TEST_COMMON_H_ diff --git a/absl/strings/internal/memutil.cc b/absl/strings/internal/memutil.cc index 1d6cfa36..05251377 100644 --- a/absl/strings/internal/memutil.cc +++ b/absl/strings/internal/memutil.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -17,7 +17,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { int memcasecmp(const char* s1, const char* s2, size_t len) { @@ -108,5 +108,5 @@ const char* memmatch(const char* phaystack, size_t haylen, const char* pneedle, } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/memutil.h b/absl/strings/internal/memutil.h index dcc5c9a3..4efac989 100644 --- a/absl/strings/internal/memutil.h +++ b/absl/strings/internal/memutil.h @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -69,7 +69,7 @@ #include "absl/strings/ascii.h" // for absl::ascii_tolower namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { inline char* memcat(char* dest, size_t destlen, const char* src, @@ -142,7 +142,7 @@ const char* memmatch(const char* phaystack, size_t haylen, const char* pneedle, size_t neelen); } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_MEMUTIL_H_ diff --git a/absl/strings/internal/memutil_benchmark.cc b/absl/strings/internal/memutil_benchmark.cc index 77915adb..dc95c3e5 100644 --- a/absl/strings/internal/memutil_benchmark.cc +++ b/absl/strings/internal/memutil_benchmark.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, diff --git a/absl/strings/internal/memutil_test.cc b/absl/strings/internal/memutil_test.cc index 09424de9..d8681ddf 100644 --- a/absl/strings/internal/memutil_test.cc +++ b/absl/strings/internal/memutil_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, diff --git a/absl/strings/internal/numbers_test_common.h b/absl/strings/internal/numbers_test_common.h index 32aa0bfa..3f6965f2 100644 --- a/absl/strings/internal/numbers_test_common.h +++ b/absl/strings/internal/numbers_test_common.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -24,7 +24,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { template @@ -175,7 +175,7 @@ inline const std::array& strtouint64_test_cases() { } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_NUMBERS_TEST_COMMON_H_ diff --git a/absl/strings/internal/ostringstream.cc b/absl/strings/internal/ostringstream.cc index 77f4b0b3..ce2dd6c7 100644 --- a/absl/strings/internal/ostringstream.cc +++ b/absl/strings/internal/ostringstream.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -15,7 +15,7 @@ #include "absl/strings/internal/ostringstream.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { OStringStream::Buf::int_type OStringStream::overflow(int c) { @@ -32,5 +32,5 @@ std::streamsize OStringStream::xsputn(const char* s, std::streamsize n) { } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/ostringstream.h b/absl/strings/internal/ostringstream.h index 908e170c..2cf65133 100644 --- a/absl/strings/internal/ostringstream.h +++ b/absl/strings/internal/ostringstream.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -23,21 +23,21 @@ #include "absl/base/port.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { -// The same as std::ostringstream but appends to a user-specified string, +// The same as std::ostringstream but appends to a user-specified std::string, // and is faster. It is ~70% faster to create, ~50% faster to write to, and -// completely free to extract the result string. +// completely free to extract the result std::string. // -// string s; +// std::string s; // OStringStream strm(&s); // strm << 42 << ' ' << 3.14; // appends to `s` // // The stream object doesn't have to be named. Starting from C++11 operator<< // works with rvalues of std::ostream. // -// string s; +// std::string s; // OStringStream(&s) << 42 << ' ' << 3.14; // appends to `s` // // OStringStream is faster to create than std::ostringstream but it's still @@ -46,14 +46,14 @@ namespace strings_internal { // // Creates unnecessary instances of OStringStream: slow. // -// string s; +// std::string s; // OStringStream(&s) << 42; // OStringStream(&s) << ' '; // OStringStream(&s) << 3.14; // // Creates a single instance of OStringStream and reuses it: fast. // -// string s; +// std::string s; // OStringStream strm(&s); // strm << 42; // strm << ' '; @@ -65,8 +65,8 @@ class OStringStream : private std::basic_streambuf, public std::ostream { // The argument can be null, in which case you'll need to call str(p) with a // non-null argument before you can write to the stream. // - // The destructor of OStringStream doesn't use the std::string. It's OK to destroy - // the std::string before the stream. + // The destructor of OStringStream doesn't use the std::string. It's OK to + // destroy the std::string before the stream. explicit OStringStream(std::string* s) : std::ostream(this), s_(s) {} std::string* str() { return s_; } @@ -83,7 +83,7 @@ class OStringStream : private std::basic_streambuf, public std::ostream { }; } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_OSTRINGSTREAM_H_ diff --git a/absl/strings/internal/ostringstream_benchmark.cc b/absl/strings/internal/ostringstream_benchmark.cc index c93f9690..5979f182 100644 --- a/absl/strings/internal/ostringstream_benchmark.cc +++ b/absl/strings/internal/ostringstream_benchmark.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, diff --git a/absl/strings/internal/ostringstream_test.cc b/absl/strings/internal/ostringstream_test.cc index 069a0e1f..2879e50e 100644 --- a/absl/strings/internal/ostringstream_test.cc +++ b/absl/strings/internal/ostringstream_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, diff --git a/absl/strings/internal/pow10_helper.cc b/absl/strings/internal/pow10_helper.cc index c7f4875a..5c02ab8f 100644 --- a/absl/strings/internal/pow10_helper.cc +++ b/absl/strings/internal/pow10_helper.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -17,7 +17,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { namespace { @@ -118,5 +118,5 @@ double Pow10(int exp) { } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/pow10_helper.h b/absl/strings/internal/pow10_helper.h index 750051bd..c9a1b27f 100644 --- a/absl/strings/internal/pow10_helper.h +++ b/absl/strings/internal/pow10_helper.h @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -17,13 +17,13 @@ // precise values are computed across the full range of doubles. We can't rely // on the pow() function, because not all standard libraries ship a version // that is precise. -#ifndef ABSL_STRINGS_POW10_HELPER_H_ -#define ABSL_STRINGS_POW10_HELPER_H_ +#ifndef ABSL_STRINGS_INTERNAL_POW10_HELPER_H_ +#define ABSL_STRINGS_INTERNAL_POW10_HELPER_H_ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { // Computes the precise value of 10^exp. (I.e. the nearest representable @@ -32,7 +32,7 @@ namespace strings_internal { double Pow10(int exp); } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl -#endif // ABSL_STRINGS_POW10_HELPER_H_ +#endif // ABSL_STRINGS_INTERNAL_POW10_HELPER_H_ diff --git a/absl/strings/internal/pow10_helper_test.cc b/absl/strings/internal/pow10_helper_test.cc index 371fe122..4a62a70d 100644 --- a/absl/strings/internal/pow10_helper_test.cc +++ b/absl/strings/internal/pow10_helper_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -20,7 +20,7 @@ #include "absl/strings/str_format.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { namespace { @@ -118,5 +118,5 @@ TEST(Pow10HelperTest, Works) { } // namespace } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/resize_uninitialized.h b/absl/strings/internal/resize_uninitialized.h index 2951bf84..ab1d8684 100644 --- a/absl/strings/internal/resize_uninitialized.h +++ b/absl/strings/internal/resize_uninitialized.h @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -18,54 +18,57 @@ #define ABSL_STRINGS_INTERNAL_RESIZE_UNINITIALIZED_H_ #include +#include #include #include "absl/base/port.h" #include "absl/meta/type_traits.h" // for void_t namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { // Is a subclass of true_type or false_type, depending on whether or not -// T has a resize_uninitialized member. -template -struct HasResizeUninitialized : std::false_type {}; -template -struct HasResizeUninitialized< - T, absl::void_t().resize_uninitialized(237))>> - : std::true_type {}; +// T has a __resize_default_init member. +template +struct ResizeUninitializedTraits { + using HasMember = std::false_type; + static void Resize(string_type* s, size_t new_size) { s->resize(new_size); } +}; +// __resize_default_init is provided by libc++ >= 8.0 and by Google's internal +// ::string implementation. template -void ResizeUninit(string_type* s, size_t new_size, std::true_type) { - s->resize_uninitialized(new_size); -} -template -void ResizeUninit(string_type* s, size_t new_size, std::false_type) { - s->resize(new_size); -} +struct ResizeUninitializedTraits< + string_type, absl::void_t() + .__resize_default_init(237))> > { + using HasMember = std::true_type; + static void Resize(string_type* s, size_t new_size) { + s->__resize_default_init(new_size); + } +}; -// Returns true if the string implementation supports a resize where -// the new characters added to the string are left untouched. +// Returns true if the std::string implementation supports a resize where +// the new characters added to the std::string are left untouched. // // (A better name might be "STLStringSupportsUninitializedResize", alluding to // the previous function.) template inline constexpr bool STLStringSupportsNontrashingResize(string_type*) { - return HasResizeUninitialized(); + return ResizeUninitializedTraits::HasMember::value; } // Like str->resize(new_size), except any new characters added to "*str" as a // result of resizing may be left uninitialized, rather than being filled with // '0' bytes. Typically used when code is then going to overwrite the backing -// store of the string with known data. Uses a Google extension to ::string. +// store of the std::string with known data. template inline void STLStringResizeUninitialized(string_type* s, size_t new_size) { - ResizeUninit(s, new_size, HasResizeUninitialized()); + ResizeUninitializedTraits::Resize(s, new_size); } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_RESIZE_UNINITIALIZED_H_ diff --git a/absl/strings/internal/resize_uninitialized_test.cc b/absl/strings/internal/resize_uninitialized_test.cc index ad282efc..c5be0b12 100644 --- a/absl/strings/internal/resize_uninitialized_test.cc +++ b/absl/strings/internal/resize_uninitialized_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -24,44 +24,44 @@ struct resizable_string { void resize(size_t) { resize_call_count += 1; } }; -int resize_uninitialized_call_count = 0; +int resize_default_init_call_count = 0; -struct resize_uninitializable_string { +struct resize_default_init_string { void resize(size_t) { resize_call_count += 1; } - void resize_uninitialized(size_t) { resize_uninitialized_call_count += 1; } + void __resize_default_init(size_t) { resize_default_init_call_count += 1; } }; TEST(ResizeUninit, WithAndWithout) { resize_call_count = 0; - resize_uninitialized_call_count = 0; + resize_default_init_call_count = 0; { resizable_string rs; EXPECT_EQ(resize_call_count, 0); - EXPECT_EQ(resize_uninitialized_call_count, 0); + EXPECT_EQ(resize_default_init_call_count, 0); EXPECT_FALSE( absl::strings_internal::STLStringSupportsNontrashingResize(&rs)); EXPECT_EQ(resize_call_count, 0); - EXPECT_EQ(resize_uninitialized_call_count, 0); + EXPECT_EQ(resize_default_init_call_count, 0); absl::strings_internal::STLStringResizeUninitialized(&rs, 237); EXPECT_EQ(resize_call_count, 1); - EXPECT_EQ(resize_uninitialized_call_count, 0); + EXPECT_EQ(resize_default_init_call_count, 0); } resize_call_count = 0; - resize_uninitialized_call_count = 0; + resize_default_init_call_count = 0; { - resize_uninitializable_string rus; + resize_default_init_string rus; EXPECT_EQ(resize_call_count, 0); - EXPECT_EQ(resize_uninitialized_call_count, 0); + EXPECT_EQ(resize_default_init_call_count, 0); EXPECT_TRUE( absl::strings_internal::STLStringSupportsNontrashingResize(&rus)); EXPECT_EQ(resize_call_count, 0); - EXPECT_EQ(resize_uninitialized_call_count, 0); + EXPECT_EQ(resize_default_init_call_count, 0); absl::strings_internal::STLStringResizeUninitialized(&rus, 237); EXPECT_EQ(resize_call_count, 0); - EXPECT_EQ(resize_uninitialized_call_count, 1); + EXPECT_EQ(resize_default_init_call_count, 1); } } diff --git a/absl/strings/internal/stl_type_traits.h b/absl/strings/internal/stl_type_traits.h index fed7bf7c..af50be7c 100644 --- a/absl/strings/internal/stl_type_traits.h +++ b/absl/strings/internal/stl_type_traits.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -40,7 +40,7 @@ #include "absl/meta/type_traits.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { template class T> @@ -243,6 +243,6 @@ struct IsStrictlyBaseOfAndConvertibleToSTLContainer IsConvertibleToSTLContainer> {}; } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STL_TYPE_TRAITS_H_ diff --git a/absl/strings/internal/str_format/arg.cc b/absl/strings/internal/str_format/arg.cc index e5e1eee5..667cc133 100644 --- a/absl/strings/internal/str_format/arg.cc +++ b/absl/strings/internal/str_format/arg.cc @@ -14,7 +14,7 @@ #include "absl/strings/internal/str_format/float_conversion.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { @@ -375,5 +375,5 @@ ABSL_INTERNAL_FORMAT_DISPATCH_OVERLOADS_EXPAND_(); } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/arg.h b/absl/strings/internal/str_format/arg.h index 0af4c839..b6f708c6 100644 --- a/absl/strings/internal/str_format/arg.h +++ b/absl/strings/internal/str_format/arg.h @@ -7,6 +7,7 @@ #include #include #include +#include #include #include #include @@ -21,7 +22,7 @@ class Cord; class CordReader; namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { class FormatCountCapture; class FormatSink; @@ -36,12 +37,14 @@ struct HasUserDefinedConvert< T, void_t(), std::declval(), std::declval()))>> : std::true_type {}; + template class StreamedWrapper; // If 'v' can be converted (in the printf sense) according to 'conv', // then convert it, appending to `sink` and return `true`. // Otherwise fail and return `false`. + // Raw pointers. struct VoidPtr { VoidPtr() = default; @@ -55,7 +58,8 @@ ConvertResult FormatConvertImpl(VoidPtr v, ConversionSpec conv, FormatSinkImpl* sink); // Strings. -ConvertResult FormatConvertImpl(const std::string& v, ConversionSpec conv, +ConvertResult FormatConvertImpl(const std::string& v, + ConversionSpec conv, FormatSinkImpl* sink); ConvertResult FormatConvertImpl(string_view v, ConversionSpec conv, FormatSinkImpl* sink); @@ -81,7 +85,7 @@ ConvertResult FormatConvertImpl(const AbslCord& value, int precision = conv.precision(); if (precision >= 0) - to_write = std::min(to_write, static_cast(precision)); + to_write = (std::min)(to_write, static_cast(precision)); space_remaining = Excess(to_write, space_remaining); @@ -290,7 +294,7 @@ class FormatArgImpl { struct Manager { static Data SetValue(const T& value) { Data data; - data.ptr = &value; + data.ptr = std::addressof(value); return data; } @@ -410,13 +414,13 @@ class FormatArgImpl { ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(double, __VA_ARGS__); \ ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(long double, __VA_ARGS__); \ ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(const char*, __VA_ARGS__); \ - ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(std::string, __VA_ARGS__); \ + ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(std::string, __VA_ARGS__); \ ABSL_INTERNAL_FORMAT_DISPATCH_INSTANTIATE_(string_view, __VA_ARGS__) ABSL_INTERNAL_FORMAT_DISPATCH_OVERLOADS_EXPAND_(extern); } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_ARG_H_ diff --git a/absl/strings/internal/str_format/arg_test.cc b/absl/strings/internal/str_format/arg_test.cc index 9cb9559c..c9c51951 100644 --- a/absl/strings/internal/str_format/arg_test.cc +++ b/absl/strings/internal/str_format/arg_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // #include "absl/strings/internal/str_format/arg.h" @@ -14,7 +14,7 @@ #include "absl/strings/str_format.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { @@ -109,5 +109,5 @@ const char kMyArray[] = "ABCDE"; } // namespace } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/bind.cc b/absl/strings/internal/str_format/bind.cc index 5cf026b6..48a306d4 100644 --- a/absl/strings/internal/str_format/bind.cc +++ b/absl/strings/internal/str_format/bind.cc @@ -6,7 +6,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { @@ -26,12 +26,12 @@ class ArgContext { explicit ArgContext(absl::Span pack) : pack_(pack) {} // Fill 'bound' with the results of applying the context's argument pack - // to the specified 'props'. We synthesize a BoundConversion by + // to the specified 'unbound'. We synthesize a BoundConversion by // lining up a UnboundConversion with a user argument. We also // resolve any '*' specifiers for width and precision, so after // this call, 'bound' has all the information it needs to be formatted. // Returns false on failure. - bool Bind(const UnboundConversion *props, BoundConversion *bound); + bool Bind(const UnboundConversion* unbound, BoundConversion* bound); private: absl::Span pack_; @@ -54,7 +54,8 @@ inline bool ArgContext::Bind(const UnboundConversion* unbound, // "A negative field width is taken as a '-' flag followed by a // positive field width." force_left = true; - width = -width; + // Make sure we don't overflow the width when negating it. + width = -std::max(width, -std::numeric_limits::max()); } } @@ -160,7 +161,7 @@ bool BindWithPack(const UnboundConversion* props, } std::string Summarize(const UntypedFormatSpecImpl format, - absl::Span args) { + absl::Span args) { typedef SummarizingConverter Converter; std::string out; { @@ -188,7 +189,7 @@ std::ostream& Streamable::Print(std::ostream& os) const { } std::string& AppendPack(std::string* out, const UntypedFormatSpecImpl format, - absl::Span args) { + absl::Span args) { size_t orig = out->size(); if (ABSL_PREDICT_FALSE(!FormatUntyped(out, format, args))) { out->erase(orig); @@ -227,5 +228,5 @@ int SnprintF(char* output, size_t size, const UntypedFormatSpecImpl format, } } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/bind.h b/absl/strings/internal/str_format/bind.h index df5562f6..db79eb6c 100644 --- a/absl/strings/internal/str_format/bind.h +++ b/absl/strings/internal/str_format/bind.h @@ -7,14 +7,13 @@ #include #include "absl/base/port.h" -#include "absl/container/inlined_vector.h" #include "absl/strings/internal/str_format/arg.h" #include "absl/strings/internal/str_format/checker.h" #include "absl/strings/internal/str_format/parser.h" #include "absl/types/span.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { class UntypedFormatSpec; @@ -139,7 +138,17 @@ class Streamable { public: Streamable(const UntypedFormatSpecImpl& format, absl::Span args) - : format_(format), args_(args.begin(), args.end()) {} + : format_(format) { + if (args.size() <= ABSL_ARRAYSIZE(few_args_)) { + for (size_t i = 0; i < args.size(); ++i) { + few_args_[i] = args[i]; + } + args_ = absl::MakeSpan(few_args_, args.size()); + } else { + many_args_.assign(args.begin(), args.end()); + args_ = many_args_; + } + } std::ostream& Print(std::ostream& os) const; @@ -149,12 +158,17 @@ class Streamable { private: const UntypedFormatSpecImpl& format_; - absl::InlinedVector args_; + absl::Span args_; + // if args_.size() is 4 or less: + FormatArgImpl few_args_[4] = {FormatArgImpl(0), FormatArgImpl(0), + FormatArgImpl(0), FormatArgImpl(0)}; + // if args_.size() is more than 4: + std::vector many_args_; }; // for testing std::string Summarize(UntypedFormatSpecImpl format, - absl::Span args); + absl::Span args); bool BindWithPack(const UnboundConversion* props, absl::Span pack, BoundConversion* bound); @@ -163,10 +177,10 @@ bool FormatUntyped(FormatRawSinkImpl raw_sink, absl::Span args); std::string& AppendPack(std::string* out, UntypedFormatSpecImpl format, - absl::Span args); + absl::Span args); inline std::string FormatPack(const UntypedFormatSpecImpl format, - absl::Span args) { + absl::Span args) { std::string out; AppendPack(&out, format, args); return out; @@ -177,7 +191,7 @@ int FprintF(std::FILE* output, UntypedFormatSpecImpl format, int SnprintF(char* output, size_t size, UntypedFormatSpecImpl format, absl::Span args); -// Returned by Streamed(v). Converts via '%s' to the string created +// Returned by Streamed(v). Converts via '%s' to the std::string created // by std::ostream << v. template class StreamedWrapper { @@ -193,7 +207,7 @@ class StreamedWrapper { }; } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_BIND_H_ diff --git a/absl/strings/internal/str_format/bind_test.cc b/absl/strings/internal/str_format/bind_test.cc index 58d9e072..8bccc92a 100644 --- a/absl/strings/internal/str_format/bind_test.cc +++ b/absl/strings/internal/str_format/bind_test.cc @@ -1,24 +1,20 @@ #include "absl/strings/internal/str_format/bind.h" #include +#include #include "gtest/gtest.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { -template -size_t ArraySize(T (&)[N]) { - return N; -} - class FormatBindTest : public ::testing::Test { public: bool Extract(const char *s, UnboundConversion *props, int *next) const { - absl::string_view src = s; - return ConsumeUnboundConversion(&src, props, next) && src.empty(); + return ConsumeUnboundConversion(s, s + strlen(s), props, next) == + s + strlen(s); } }; @@ -92,6 +88,20 @@ TEST_F(FormatBindTest, BindSingle) { } } +TEST_F(FormatBindTest, WidthUnderflowRegression) { + UnboundConversion props; + BoundConversion bound; + int next = 0; + const int args_i[] = {std::numeric_limits::min(), 17}; + const FormatArgImpl args[] = {FormatArgImpl(args_i[0]), + FormatArgImpl(args_i[1])}; + ASSERT_TRUE(Extract("*d", &props, &next)); + ASSERT_TRUE(BindWithPack(&props, args, &bound)); + + EXPECT_EQ(bound.width(), std::numeric_limits::max()); + EXPECT_EQ(bound.arg(), args + 1); +} + TEST_F(FormatBindTest, FormatPack) { struct Expectation { int line; @@ -129,5 +139,5 @@ TEST_F(FormatBindTest, FormatPack) { } // namespace } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/checker.h b/absl/strings/internal/str_format/checker.h index d0191968..262887cd 100644 --- a/absl/strings/internal/str_format/checker.h +++ b/absl/strings/internal/str_format/checker.h @@ -15,7 +15,7 @@ #endif // ABSL_INTERNAL_ENABLE_FORMAT_CHECKER namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { constexpr bool AllOf() { return true; } @@ -321,7 +321,7 @@ constexpr bool ValidFormatImpl(string_view format) { #endif // ABSL_INTERNAL_ENABLE_FORMAT_CHECKER } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_CHECKER_H_ diff --git a/absl/strings/internal/str_format/checker_test.cc b/absl/strings/internal/str_format/checker_test.cc index b4f38979..2aa3b128 100644 --- a/absl/strings/internal/str_format/checker_test.cc +++ b/absl/strings/internal/str_format/checker_test.cc @@ -5,7 +5,7 @@ #include "absl/strings/str_format.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { @@ -63,32 +63,32 @@ TEST(StrFormatChecker, ValidFormat) { ValidFormat("%% %d"), // ValidFormat("%ld"), // ValidFormat("%lld"), // - ValidFormat("%s"), // - ValidFormat("%10s"), // + ValidFormat("%s"), // + ValidFormat("%10s"), // ValidFormat("%.10x"), // ValidFormat("%*.3x"), // ValidFormat("%1.d"), // ValidFormat("%.d"), // ValidFormat("%d %g"), // - ValidFormat("%*s"), // + ValidFormat("%*s"), // ValidFormat("%.*f"), // ValidFormat("%p %p"), // ValidFormat( "string_view=%s const char*=%s double=%f void*=%p)"), - ValidFormat("%% %1$d"), // - ValidFormat("%1$ld"), // - ValidFormat("%1$lld"), // - ValidFormat("%1$s"), // - ValidFormat("%1$10s"), // - ValidFormat("%1$.10x"), // - ValidFormat("%1$*1$.*1$d"), // - ValidFormat("%1$*2$.3x"), // - ValidFormat("%1$1.d"), // - ValidFormat("%1$.d"), // - ValidFormat("%2$d %1$g"), // - ValidFormat("%2$*1$s"), // - ValidFormat("%2$.*1$f"), // + ValidFormat("%% %1$d"), // + ValidFormat("%1$ld"), // + ValidFormat("%1$lld"), // + ValidFormat("%1$s"), // + ValidFormat("%1$10s"), // + ValidFormat("%1$.10x"), // + ValidFormat("%1$*1$.*1$d"), // + ValidFormat("%1$*2$.3x"), // + ValidFormat("%1$1.d"), // + ValidFormat("%1$.d"), // + ValidFormat("%2$d %1$g"), // + ValidFormat("%2$*1$s"), // + ValidFormat("%2$.*1$f"), // ValidFormat( "string_view=%2$s const char*=%3$s double=%4$f void*=%1$p " "repeat=%3$s)")}; @@ -100,25 +100,25 @@ TEST(StrFormatChecker, ValidFormat) { constexpr Case falses[] = { ValidFormat(""), // - ValidFormat("%s"), // - ValidFormat("%s"), // - ValidFormat<>("%s"), // - ValidFormat<>("%r"), // - ValidFormat("%s"), // - ValidFormat("%.1.d"), // - ValidFormat("%*1d"), // - ValidFormat("%1-d"), // + ValidFormat("%s"), // + ValidFormat("%s"), // + ValidFormat<>("%s"), // + ValidFormat<>("%r"), // + ValidFormat("%s"), // + ValidFormat("%.1.d"), // + ValidFormat("%*1d"), // + ValidFormat("%1-d"), // ValidFormat("%*s"), // - ValidFormat("%*d"), // + ValidFormat("%*d"), // ValidFormat("%p"), // - ValidFormat("%d"), // - - ValidFormat<>("%3$d"), // - ValidFormat<>("%1$r"), // - ValidFormat("%1$s"), // - ValidFormat("%1$.1.d"), // - ValidFormat("%1$*2$1d"), // - ValidFormat("%1$1-d"), // + ValidFormat("%d"), // + + ValidFormat<>("%3$d"), // + ValidFormat<>("%1$r"), // + ValidFormat("%1$s"), // + ValidFormat("%1$.1.d"), // + ValidFormat("%1$*2$1d"), // + ValidFormat("%1$1-d"), // ValidFormat("%2$*1$s"), // ValidFormat("%1$p"), @@ -148,5 +148,5 @@ TEST(StrFormatChecker, LongFormat) { } // namespace } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/convert_test.cc b/absl/strings/internal/str_format/convert_test.cc index 95d57b67..751bfc34 100644 --- a/absl/strings/internal/str_format/convert_test.cc +++ b/absl/strings/internal/str_format/convert_test.cc @@ -1,6 +1,7 @@ #include #include #include +#include #include #include @@ -8,7 +9,7 @@ #include "absl/strings/internal/str_format/bind.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { @@ -33,7 +34,9 @@ std::string LengthModFor(long long) { return "ll"; } // NOLINT std::string LengthModFor(unsigned long long) { return "ll"; } // NOLINT std::string EscCharImpl(int v) { - if (isprint(v)) return std::string(1, static_cast(v)); + if (std::isprint(static_cast(v))) { + return std::string(1, static_cast(v)); + } char buf[64]; int n = snprintf(buf, sizeof(buf), "\\%#.2x", static_cast(v & 0xff)); @@ -156,7 +159,7 @@ TEST_F(FormatConvertTest, StringPrecision) { } TEST_F(FormatConvertTest, Pointer) { -#if _MSC_VER +#ifdef _MSC_VER // MSVC's printf implementation prints pointers differently. We can't easily // compare our implementation to theirs. return; @@ -233,7 +236,7 @@ TEST_F(FormatConvertTest, Enum) { template class TypedFormatConvertTest : public FormatConvertTest { }; -TYPED_TEST_CASE_P(TypedFormatConvertTest); +TYPED_TEST_SUITE_P(TypedFormatConvertTest); std::vector AllFlagCombinations() { const char kFlags[] = {'-', '#', '0', '+', ' '}; @@ -364,6 +367,18 @@ typedef ::testing::Types< AllIntTypes; INSTANTIATE_TYPED_TEST_CASE_P(TypedFormatConvertTestWithAllIntTypes, TypedFormatConvertTest, AllIntTypes); + +TEST_F(FormatConvertTest, VectorBool) { + // Make sure vector's values behave as bools. + std::vector v = {true, false}; + const std::vector cv = {true, false}; + EXPECT_EQ("1,0,1,0", + FormatPack(UntypedFormatSpecImpl("%d,%d,%d,%d"), + absl::Span( + {FormatArgImpl(v[0]), FormatArgImpl(v[1]), + FormatArgImpl(cv[0]), FormatArgImpl(cv[1])}))); +} + TEST_F(FormatConvertTest, Uint128) { absl::uint128 v = static_cast(0x1234567890abcdef) * 1979; absl::uint128 max = absl::Uint128Max(); @@ -390,7 +405,7 @@ TEST_F(FormatConvertTest, Uint128) { } TEST_F(FormatConvertTest, Float) { -#if _MSC_VER +#ifdef _MSC_VER // MSVC has a different rounding policy than us so we can't test our // implementation against the native one there. return; @@ -573,5 +588,5 @@ TEST_F(FormatConvertTest, ExpectedFailures) { } // namespace } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/extension.cc b/absl/strings/internal/str_format/extension.cc index e3b41c82..1a0c4172 100644 --- a/absl/strings/internal/str_format/extension.cc +++ b/absl/strings/internal/str_format/extension.cc @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -20,7 +20,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { // clang-format off @@ -82,5 +82,5 @@ bool FormatSinkImpl::PutPaddedString(string_view v, int w, int p, bool l) { } } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/extension.h b/absl/strings/internal/str_format/extension.h index d401b4ed..4fbe4a06 100644 --- a/absl/strings/internal/str_format/extension.h +++ b/absl/strings/internal/str_format/extension.h @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -13,7 +13,6 @@ // See the License for the specific language governing permissions and // limitations under the License. // -// #ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_EXTENSION_H_ #define ABSL_STRINGS_INTERNAL_STR_FORMAT_EXTENSION_H_ @@ -29,7 +28,7 @@ class Cord; namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { @@ -361,7 +360,7 @@ enum class Conv : uint64_t { integral = d | i | u | o | x | X, floating = a | e | f | g | A | E | F | G, numeric = integral | floating, - string = s, // absl:ignore(std::string) + string = s, pointer = p }; @@ -408,7 +407,7 @@ inline size_t Excess(size_t used, size_t capacity) { } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_EXTENSION_H_ diff --git a/absl/strings/internal/str_format/extension_test.cc b/absl/strings/internal/str_format/extension_test.cc index 224fc923..4e23fefb 100644 --- a/absl/strings/internal/str_format/extension_test.cc +++ b/absl/strings/internal/str_format/extension_test.cc @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -18,6 +18,7 @@ #include #include + #include "absl/strings/str_format.h" #include "gtest/gtest.h" diff --git a/absl/strings/internal/str_format/float_conversion.cc b/absl/strings/internal/str_format/float_conversion.cc index 7b617689..a0484feb 100644 --- a/absl/strings/internal/str_format/float_conversion.cc +++ b/absl/strings/internal/str_format/float_conversion.cc @@ -6,8 +6,10 @@ #include #include +#include "absl/base/config.h" + namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { @@ -335,7 +337,7 @@ bool FloatToBuffer(Decomposed decomposed, int precision, Buffer *out, static_cast(decomposed.exponent), precision, out, exp)) return true; -#if defined(__SIZEOF_INT128__) +#if defined(ABSL_HAVE_INTRINSIC_INT128) // If that is not enough, try with __uint128_t. return CanFitMantissa() && FloatToBufferImpl<__uint128_t, Float, mode>( @@ -481,5 +483,5 @@ bool ConvertFloatImpl(double v, const ConversionSpec &conv, } } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/float_conversion.h b/absl/strings/internal/str_format/float_conversion.h index 280c471a..5d76ce2b 100644 --- a/absl/strings/internal/str_format/float_conversion.h +++ b/absl/strings/internal/str_format/float_conversion.h @@ -4,7 +4,7 @@ #include "absl/strings/internal/str_format/extension.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { bool ConvertFloatImpl(float v, const ConversionSpec &conv, @@ -17,7 +17,7 @@ bool ConvertFloatImpl(long double v, const ConversionSpec &conv, FormatSinkImpl *sink); } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_FLOAT_CONVERSION_H_ diff --git a/absl/strings/internal/str_format/output.cc b/absl/strings/internal/str_format/output.cc index 010bf341..d5ead8d5 100644 --- a/absl/strings/internal/str_format/output.cc +++ b/absl/strings/internal/str_format/output.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -18,7 +18,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { @@ -68,5 +68,5 @@ void FILERawSink::Write(string_view v) { } } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/output.h b/absl/strings/internal/str_format/output.h index 0f3ab349..ba847471 100644 --- a/absl/strings/internal/str_format/output.h +++ b/absl/strings/internal/str_format/output.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -31,7 +31,7 @@ class Cord; namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { // RawSink implementation that writes into a char* buffer. @@ -97,7 +97,7 @@ auto InvokeFlush(T* out, string_view s) } } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_OUTPUT_H_ diff --git a/absl/strings/internal/str_format/output_test.cc b/absl/strings/internal/str_format/output_test.cc index 0a014cac..5c3c4afb 100644 --- a/absl/strings/internal/str_format/output_test.cc +++ b/absl/strings/internal/str_format/output_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -17,24 +17,17 @@ #include #include - #include "gmock/gmock.h" #include "gtest/gtest.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace { TEST(InvokeFlush, String) { std::string str = "ABC"; str_format_internal::InvokeFlush(&str, "DEF"); EXPECT_EQ(str, "ABCDEF"); - -#if UTIL_FORMAT_HAS_GLOBAL_STRING - std::string str2 = "ABC"; - str_format_internal::InvokeFlush(&str2, "DEF"); - EXPECT_EQ(str2, "ABCDEF"); -#endif // UTIL_FORMAT_HAS_GLOBAL_STRING } TEST(InvokeFlush, Stream) { @@ -75,6 +68,6 @@ TEST(BufferRawSink, Limits) { } } // namespace -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/parser.cc b/absl/strings/internal/str_format/parser.cc index 119a711e..4b8ca4d2 100644 --- a/absl/strings/internal/str_format/parser.cc +++ b/absl/strings/internal/str_format/parser.cc @@ -14,8 +14,46 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { + +using CC = ConversionChar::Id; +using LM = LengthMod::Id; +ABSL_CONST_INIT const ConvTag kTags[256] = { + {}, {}, {}, {}, {}, {}, {}, {}, // 00-07 + {}, {}, {}, {}, {}, {}, {}, {}, // 08-0f + {}, {}, {}, {}, {}, {}, {}, {}, // 10-17 + {}, {}, {}, {}, {}, {}, {}, {}, // 18-1f + {}, {}, {}, {}, {}, {}, {}, {}, // 20-27 + {}, {}, {}, {}, {}, {}, {}, {}, // 28-2f + {}, {}, {}, {}, {}, {}, {}, {}, // 30-37 + {}, {}, {}, {}, {}, {}, {}, {}, // 38-3f + {}, CC::A, {}, CC::C, {}, CC::E, CC::F, CC::G, // @ABCDEFG + {}, {}, {}, {}, LM::L, {}, {}, {}, // HIJKLMNO + {}, {}, {}, CC::S, {}, {}, {}, {}, // PQRSTUVW + CC::X, {}, {}, {}, {}, {}, {}, {}, // XYZ[\]^_ + {}, CC::a, {}, CC::c, CC::d, CC::e, CC::f, CC::g, // `abcdefg + LM::h, CC::i, LM::j, {}, LM::l, {}, CC::n, CC::o, // hijklmno + CC::p, LM::q, {}, CC::s, LM::t, CC::u, {}, {}, // pqrstuvw + CC::x, {}, LM::z, {}, {}, {}, {}, {}, // xyz{|}! + {}, {}, {}, {}, {}, {}, {}, {}, // 80-87 + {}, {}, {}, {}, {}, {}, {}, {}, // 88-8f + {}, {}, {}, {}, {}, {}, {}, {}, // 90-97 + {}, {}, {}, {}, {}, {}, {}, {}, // 98-9f + {}, {}, {}, {}, {}, {}, {}, {}, // a0-a7 + {}, {}, {}, {}, {}, {}, {}, {}, // a8-af + {}, {}, {}, {}, {}, {}, {}, {}, // b0-b7 + {}, {}, {}, {}, {}, {}, {}, {}, // b8-bf + {}, {}, {}, {}, {}, {}, {}, {}, // c0-c7 + {}, {}, {}, {}, {}, {}, {}, {}, // c8-cf + {}, {}, {}, {}, {}, {}, {}, {}, // d0-d7 + {}, {}, {}, {}, {}, {}, {}, {}, // d8-df + {}, {}, {}, {}, {}, {}, {}, {}, // e0-e7 + {}, {}, {}, {}, {}, {}, {}, {}, // e8-ef + {}, {}, {}, {}, {}, {}, {}, {}, // f0-f7 + {}, {}, {}, {}, {}, {}, {}, {}, // f8-ff +}; + namespace { bool CheckFastPathSetting(const UnboundConversion& conv) { @@ -37,60 +75,17 @@ bool CheckFastPathSetting(const UnboundConversion& conv) { return should_be_basic == conv.flags.basic; } -// Keep a single table for all the conversion chars and length modifiers. -// We invert the length modifiers to make them negative so that we can easily -// test for them. -// Everything else is `none`, which is a negative constant. -using CC = ConversionChar::Id; -using LM = LengthMod::Id; -static constexpr std::int8_t none = -128; -static constexpr std::int8_t kIds[] = { - none, none, none, none, none, none, none, none, // 00-07 - none, none, none, none, none, none, none, none, // 08-0f - none, none, none, none, none, none, none, none, // 10-17 - none, none, none, none, none, none, none, none, // 18-1f - none, none, none, none, none, none, none, none, // 20-27 - none, none, none, none, none, none, none, none, // 28-2f - none, none, none, none, none, none, none, none, // 30-37 - none, none, none, none, none, none, none, none, // 38-3f - none, CC::A, none, CC::C, none, CC::E, CC::F, CC::G, // @ABCDEFG - none, none, none, none, ~LM::L, none, none, none, // HIJKLMNO - none, none, none, CC::S, none, none, none, none, // PQRSTUVW - CC::X, none, none, none, none, none, none, none, // XYZ[\]^_ - none, CC::a, none, CC::c, CC::d, CC::e, CC::f, CC::g, // `abcdefg - ~LM::h, CC::i, ~LM::j, none, ~LM::l, none, CC::n, CC::o, // hijklmno - CC::p, ~LM::q, none, CC::s, ~LM::t, CC::u, none, none, // pqrstuvw - CC::x, none, ~LM::z, none, none, none, none, none, // xyz{|}~! - none, none, none, none, none, none, none, none, // 80-87 - none, none, none, none, none, none, none, none, // 88-8f - none, none, none, none, none, none, none, none, // 90-97 - none, none, none, none, none, none, none, none, // 98-9f - none, none, none, none, none, none, none, none, // a0-a7 - none, none, none, none, none, none, none, none, // a8-af - none, none, none, none, none, none, none, none, // b0-b7 - none, none, none, none, none, none, none, none, // b8-bf - none, none, none, none, none, none, none, none, // c0-c7 - none, none, none, none, none, none, none, none, // c8-cf - none, none, none, none, none, none, none, none, // d0-d7 - none, none, none, none, none, none, none, none, // d8-df - none, none, none, none, none, none, none, none, // e0-e7 - none, none, none, none, none, none, none, none, // e8-ef - none, none, none, none, none, none, none, none, // f0-f7 - none, none, none, none, none, none, none, none, // f8-ff -}; - template -bool ConsumeConversion(string_view *src, UnboundConversion *conv, - int *next_arg) { - const char *pos = src->data(); - const char *const end = pos + src->size(); +const char *ConsumeConversion(const char *pos, const char *const end, + UnboundConversion *conv, int *next_arg) { + const char* const original_pos = pos; char c; // Read the next char into `c` and update `pos`. Returns false if there are // no more chars to read. -#define ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR() \ - do { \ - if (ABSL_PREDICT_FALSE(pos == end)) return false; \ - c = *pos++; \ +#define ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR() \ + do { \ + if (ABSL_PREDICT_FALSE(pos == end)) return nullptr; \ + c = *pos++; \ } while (0) const auto parse_digits = [&] { @@ -100,10 +95,11 @@ bool ConsumeConversion(string_view *src, UnboundConversion *conv, // digit doesn't match the expected characters. int num_digits = std::numeric_limits::digits10; for (;;) { - if (ABSL_PREDICT_FALSE(pos == end || !num_digits)) break; + if (ABSL_PREDICT_FALSE(pos == end)) break; c = *pos++; if (!std::isdigit(c)) break; --num_digits; + if (ABSL_PREDICT_FALSE(!num_digits)) break; digits = 10 * digits + c - '0'; } return digits; @@ -111,10 +107,10 @@ bool ConsumeConversion(string_view *src, UnboundConversion *conv, if (is_positional) { ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); - if (ABSL_PREDICT_FALSE(c < '1' || c > '9')) return false; + if (ABSL_PREDICT_FALSE(c < '1' || c > '9')) return nullptr; conv->arg_position = parse_digits(); assert(conv->arg_position > 0); - if (ABSL_PREDICT_FALSE(c != '$')) return false; + if (ABSL_PREDICT_FALSE(c != '$')) return nullptr; } ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); @@ -129,10 +125,9 @@ bool ConsumeConversion(string_view *src, UnboundConversion *conv, conv->flags.basic = false; for (; c <= '0';) { - // FIXME: We might be able to speed this up reusing the kIds lookup table - // from above. - // It might require changing Flags to be a plain integer where we can |= a - // value. + // FIXME: We might be able to speed this up reusing the lookup table from + // above. It might require changing Flags to be a plain integer where we + // can |= a value. switch (c) { case '-': conv->flags.left = true; @@ -160,20 +155,20 @@ flags_done: if (c >= '0') { int maybe_width = parse_digits(); if (!is_positional && c == '$') { - if (ABSL_PREDICT_FALSE(*next_arg != 0)) return false; + if (ABSL_PREDICT_FALSE(*next_arg != 0)) return nullptr; // Positional conversion. *next_arg = -1; conv->flags = Flags(); conv->flags.basic = true; - return ConsumeConversion(src, conv, next_arg); + return ConsumeConversion(original_pos, end, conv, next_arg); } conv->width.set_value(maybe_width); } else if (c == '*') { ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); if (is_positional) { - if (ABSL_PREDICT_FALSE(c < '1' || c > '9')) return false; + if (ABSL_PREDICT_FALSE(c < '1' || c > '9')) return nullptr; conv->width.set_from_arg(parse_digits()); - if (ABSL_PREDICT_FALSE(c != '$')) return false; + if (ABSL_PREDICT_FALSE(c != '$')) return nullptr; ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); } else { conv->width.set_from_arg(++*next_arg); @@ -188,9 +183,9 @@ flags_done: } else if (c == '*') { ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); if (is_positional) { - if (ABSL_PREDICT_FALSE(c < '1' || c > '9')) return false; + if (ABSL_PREDICT_FALSE(c < '1' || c > '9')) return nullptr; conv->precision.set_from_arg(parse_digits()); - if (c != '$') return false; + if (c != '$') return nullptr; ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); } else { conv->precision.set_from_arg(++*next_arg); @@ -201,14 +196,14 @@ flags_done: } } - std::int8_t id = kIds[static_cast(c)]; + auto tag = GetTagForChar(c); - if (id < 0) { - if (ABSL_PREDICT_FALSE(id == none)) return false; + if (ABSL_PREDICT_FALSE(!tag.is_conv())) { + if (ABSL_PREDICT_FALSE(!tag.is_length())) return nullptr; // It is a length modifier. using str_format_internal::LengthMod; - LengthMod length_mod = LengthMod::FromId(static_cast(~id)); + LengthMod length_mod = tag.as_length(); ABSL_FORMAT_PARSER_INTERNAL_GET_CHAR(); if (c == 'h' && length_mod.id() == LengthMod::h) { conv->length_mod = LengthMod::FromId(LengthMod::hh); @@ -219,25 +214,24 @@ flags_done: } else { conv->length_mod = length_mod; } - id = kIds[static_cast(c)]; - if (ABSL_PREDICT_FALSE(id < 0)) return false; + tag = GetTagForChar(c); + if (ABSL_PREDICT_FALSE(!tag.is_conv())) return nullptr; } assert(CheckFastPathSetting(*conv)); (void)(&CheckFastPathSetting); - conv->conv = ConversionChar::FromId(static_cast(id)); + conv->conv = tag.as_conv(); if (!is_positional) conv->arg_position = ++*next_arg; - *src = string_view(pos, end - pos); - return true; + return pos; } } // namespace -bool ConsumeUnboundConversion(string_view *src, UnboundConversion *conv, - int *next_arg) { - if (*next_arg < 0) return ConsumeConversion(src, conv, next_arg); - return ConsumeConversion(src, conv, next_arg); +const char *ConsumeUnboundConversion(const char *p, const char *end, + UnboundConversion *conv, int *next_arg) { + if (*next_arg < 0) return ConsumeConversion(p, end, conv, next_arg); + return ConsumeConversion(p, end, conv, next_arg); } struct ParsedFormatBase::ParsedFormatConsumer { @@ -307,5 +301,5 @@ bool ParsedFormatBase::MatchesConversions( } } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_format/parser.h b/absl/strings/internal/str_format/parser.h index 9842c117..d3357fde 100644 --- a/absl/strings/internal/str_format/parser.h +++ b/absl/strings/internal/str_format/parser.h @@ -16,7 +16,7 @@ #include "absl/strings/internal/str_format/extension.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { // The analyzed properties of a single specified conversion. @@ -64,17 +64,45 @@ struct UnboundConversion { ConversionChar conv; }; -// Consume conversion spec prefix (not including '%') of '*src' if valid. +// Consume conversion spec prefix (not including '%') of [p, end) if valid. // Examples of valid specs would be e.g.: "s", "d", "-12.6f". -// If valid, the front of src is advanced such that src becomes the -// part following the conversion spec, and the spec part is broken down and -// returned in 'conv'. -// If invalid, returns false and leaves 'src' unmodified. -// For example: -// Given "d9", returns "d", and leaves src="9", -// Given "!", returns "" and leaves src="!". -bool ConsumeUnboundConversion(string_view* src, UnboundConversion* conv, - int* next_arg); +// If valid, it returns the first character following the conversion spec, +// and the spec part is broken down and returned in 'conv'. +// If invalid, returns nullptr. +const char* ConsumeUnboundConversion(const char* p, const char* end, + UnboundConversion* conv, int* next_arg); + +// Helper tag class for the table below. +// It allows fast `char -> ConversionChar/LengthMod` checking and conversions. +class ConvTag { + public: + constexpr ConvTag(ConversionChar::Id id) : tag_(id) {} // NOLINT + // We invert the length modifiers to make them negative so that we can easily + // test for them. + constexpr ConvTag(LengthMod::Id id) : tag_(~id) {} // NOLINT + // Everything else is -128, which is negative to make is_conv() simpler. + constexpr ConvTag() : tag_(-128) {} + + bool is_conv() const { return tag_ >= 0; } + bool is_length() const { return tag_ < 0 && tag_ != -128; } + ConversionChar as_conv() const { + assert(is_conv()); + return ConversionChar::FromId(static_cast(tag_)); + } + LengthMod as_length() const { + assert(is_length()); + return LengthMod::FromId(static_cast(~tag_)); + } + + private: + std::int8_t tag_; +}; + +extern const ConvTag kTags[256]; +// Keep a single table for all the conversion chars and length modifiers. +inline ConvTag GetTagForChar(char c) { + return kTags[static_cast(c)]; +} // Parse the format string provided in 'src' and pass the identified items into // 'consumer'. @@ -89,51 +117,53 @@ bool ConsumeUnboundConversion(string_view* src, UnboundConversion* conv, template bool ParseFormatString(string_view src, Consumer consumer) { int next_arg = 0; - while (!src.empty()) { - const char* percent = - static_cast(memchr(src.data(), '%', src.size())); + const char* p = src.data(); + const char* const end = p + src.size(); + while (p != end) { + const char* percent = static_cast(memchr(p, '%', end - p)); if (!percent) { // We found the last substring. - return consumer.Append(src); + return consumer.Append(string_view(p, end - p)); } // We found a percent, so push the text run then process the percent. - size_t percent_loc = percent - src.data(); - if (!consumer.Append(string_view(src.data(), percent_loc))) return false; - if (percent + 1 >= src.data() + src.size()) return false; - - UnboundConversion conv; - - switch (percent[1]) { - case '%': - if (!consumer.Append("%")) return false; - src.remove_prefix(percent_loc + 2); - continue; - -#define PARSER_CASE(ch) \ - case #ch[0]: \ - src.remove_prefix(percent_loc + 2); \ - conv.conv = ConversionChar::FromId(ConversionChar::ch); \ - conv.arg_position = ++next_arg; \ - break; - ABSL_CONVERSION_CHARS_EXPAND_(PARSER_CASE, ); -#undef PARSER_CASE - - default: - src.remove_prefix(percent_loc + 1); - if (!ConsumeUnboundConversion(&src, &conv, &next_arg)) return false; - break; - } - if (next_arg == 0) { - // This indicates an error in the format std::string. - // The only way to get next_arg == 0 is to have a positional argument - // first which sets next_arg to -1 and then a non-positional argument - // which does ++next_arg. - // Checking here seems to be the cheapeast place to do it. + if (ABSL_PREDICT_FALSE(!consumer.Append(string_view(p, percent - p)))) { return false; } - if (!consumer.ConvertOne( - conv, string_view(percent + 1, src.data() - (percent + 1)))) { - return false; + if (ABSL_PREDICT_FALSE(percent + 1 >= end)) return false; + + auto tag = GetTagForChar(percent[1]); + if (tag.is_conv()) { + if (ABSL_PREDICT_FALSE(next_arg < 0)) { + // This indicates an error in the format std::string. + // The only way to get `next_arg < 0` here is to have a positional + // argument first which sets next_arg to -1 and then a non-positional + // argument. + return false; + } + p = percent + 2; + + // Keep this case separate from the one below. + // ConvertOne is more efficient when the compiler can see that the `basic` + // flag is set. + UnboundConversion conv; + conv.conv = tag.as_conv(); + conv.arg_position = ++next_arg; + if (ABSL_PREDICT_FALSE( + !consumer.ConvertOne(conv, string_view(percent + 1, 1)))) { + return false; + } + } else if (percent[1] != '%') { + UnboundConversion conv; + p = ConsumeUnboundConversion(percent + 1, end, &conv, &next_arg); + if (ABSL_PREDICT_FALSE(p == nullptr)) return false; + if (ABSL_PREDICT_FALSE(!consumer.ConvertOne( + conv, string_view(percent + 1, p - (percent + 1))))) { + return false; + } + } else { + if (ABSL_PREDICT_FALSE(!consumer.Append("%"))) return false; + p = percent + 2; + continue; } } return true; @@ -288,7 +318,7 @@ class ExtendedParsedFormat : public str_format_internal::ParsedFormatBase { : ParsedFormatBase(s, allow_ignored, {C...}) {} }; } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_FORMAT_PARSER_H_ diff --git a/absl/strings/internal/str_format/parser_test.cc b/absl/strings/internal/str_format/parser_test.cc index 14d90344..d77a8ea5 100644 --- a/absl/strings/internal/str_format/parser_test.cc +++ b/absl/strings/internal/str_format/parser_test.cc @@ -1,15 +1,19 @@ #include "absl/strings/internal/str_format/parser.h" #include + +#include "gmock/gmock.h" #include "gtest/gtest.h" #include "absl/base/macros.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace str_format_internal { namespace { +using testing::Pair; + TEST(LengthModTest, Names) { struct Expectation { int line; @@ -64,20 +68,21 @@ TEST(ConversionCharTest, Names) { class ConsumeUnboundConversionTest : public ::testing::Test { public: - typedef UnboundConversion Props; - string_view Consume(string_view* src) { + std::pair Consume(string_view src) { int next = 0; - const char* prev_begin = src->data(); o = UnboundConversion(); // refresh - ConsumeUnboundConversion(src, &o, &next); - return {prev_begin, static_cast(src->data() - prev_begin)}; + const char* p = ConsumeUnboundConversion( + src.data(), src.data() + src.size(), &o, &next); + if (!p) return {{}, src}; + return {string_view(src.data(), p - src.data()), + string_view(p, src.data() + src.size() - p)}; } bool Run(const char *fmt, bool force_positional = false) { - string_view src = fmt; int next = force_positional ? -1 : 0; o = UnboundConversion(); // refresh - return ConsumeUnboundConversion(&src, &o, &next) && src.empty(); + return ConsumeUnboundConversion(fmt, fmt + strlen(fmt), &o, &next) == + fmt + strlen(fmt); } UnboundConversion o; }; @@ -105,11 +110,7 @@ TEST_F(ConsumeUnboundConversionTest, ConsumeSpecification) { }; for (const auto& e : kExpect) { SCOPED_TRACE(e.line); - string_view src = e.src; - EXPECT_EQ(e.src, src); - string_view out = Consume(&src); - EXPECT_EQ(e.out, out); - EXPECT_EQ(e.src_post, src); + EXPECT_THAT(Consume(e.src), Pair(e.out, e.src_post)); } } @@ -247,6 +248,8 @@ TEST_F(ConsumeUnboundConversionTest, WidthAndPrecision) { EXPECT_FALSE(Run("1000000000.999999999d")); EXPECT_FALSE(Run("999999999.1000000000d")); + EXPECT_FALSE(Run("9999999999d")); + EXPECT_FALSE(Run(".9999999999d")); } TEST_F(ConsumeUnboundConversionTest, Flags) { @@ -387,5 +390,5 @@ TEST_F(ParsedFormatTest, ParsingFlagOrder) { } // namespace } // namespace str_format_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/str_join_internal.h b/absl/strings/internal/str_join_internal.h index 90b06d6f..02787dd1 100644 --- a/absl/strings/internal/str_join_internal.h +++ b/absl/strings/internal/str_join_internal.h @@ -5,7 +5,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -43,7 +43,7 @@ #include "absl/strings/str_cat.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { // @@ -194,7 +194,7 @@ struct DefaultFormatter> // and formats each element using the provided Formatter object. template std::string JoinAlgorithm(Iterator start, Iterator end, absl::string_view s, - Formatter&& f) { + Formatter&& f) { std::string result; absl::string_view sep(""); for (Iterator it = start; it != end; ++it) { @@ -213,7 +213,7 @@ std::string JoinAlgorithm(Iterator start, Iterator end, absl::string_view s, // This is an overload of the previous JoinAlgorithm() function. Here the // Formatter argument is of type NoFormatter. Since NoFormatter is an internal // type, this overload is only invoked when strings::Join() is called with a -// range of string-like objects (e.g., string, absl::string_view), and an +// range of string-like objects (e.g., std::string, absl::string_view), and an // explicit Formatter argument was NOT specified. // // The optimization is that the needed space will be reserved in the output @@ -225,7 +225,7 @@ template ::iterator_category, std::forward_iterator_tag>::value>::type> std::string JoinAlgorithm(Iterator start, Iterator end, absl::string_view s, - NoFormatter) { + NoFormatter) { std::string result; if (start != end) { // Sums size @@ -277,14 +277,15 @@ struct JoinTupleLoop { template std::string JoinAlgorithm(const std::tuple& tup, absl::string_view sep, - Formatter&& fmt) { + Formatter&& fmt) { std::string result; JoinTupleLoop<0, sizeof...(T)>()(&result, tup, sep, fmt); return result; } template -std::string JoinRange(Iterator first, Iterator last, absl::string_view separator) { +std::string JoinRange(Iterator first, Iterator last, + absl::string_view separator) { // No formatter was explicitly given, so a default must be chosen. typedef typename std::iterator_traits::value_type ValueType; typedef typename DefaultFormatter::Type Formatter; @@ -293,7 +294,7 @@ std::string JoinRange(Iterator first, Iterator last, absl::string_view separator template std::string JoinRange(const Range& range, absl::string_view separator, - Formatter&& fmt) { + Formatter&& fmt) { using std::begin; using std::end; return JoinAlgorithm(begin(range), end(range), separator, fmt); @@ -307,7 +308,7 @@ std::string JoinRange(const Range& range, absl::string_view separator) { } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_JOIN_INTERNAL_H_ diff --git a/absl/strings/internal/str_split_internal.h b/absl/strings/internal/str_split_internal.h index 2300193a..92a678e0 100644 --- a/absl/strings/internal/str_split_internal.h +++ b/absl/strings/internal/str_split_internal.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -47,7 +47,7 @@ #endif // _GLIBCXX_DEBUG namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { // This class is implicitly constructible from everything that absl::string_view @@ -97,8 +97,8 @@ ConvertibleToStringView(std::string&& s) // NOLINT(runtime/explicit) } } - // Holds the data moved from temporary std::string arguments. Declared first so - // that 'value' can refer to 'copy_'. + // Holds the data moved from temporary std::string arguments. Declared first + // so that 'value' can refer to 'copy_'. std::string copy_; absl::string_view value_; }; @@ -377,10 +377,10 @@ class Splitter { // Partial specialization for a std::vector. // - // Optimized for the common case of splitting to a std::vector. In - // this case we first split the results to a std::vector so - // the returned std::vector can have space reserved to avoid std::string - // moves. + // Optimized for the common case of splitting to a std::vector. + // In this case we first split the results to a std::vector + // so the returned std::vector can have space reserved to avoid + // std::string moves. template struct ConvertToContainer, std::string, false> { std::vector operator()(const Splitter& splitter) const { @@ -449,7 +449,7 @@ class Splitter { }; } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_STR_SPLIT_INTERNAL_H_ diff --git a/absl/strings/internal/utf8.cc b/absl/strings/internal/utf8.cc index c6ab0d52..fe4a9beb 100644 --- a/absl/strings/internal/utf8.cc +++ b/absl/strings/internal/utf8.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -17,7 +17,7 @@ #include "absl/strings/internal/utf8.h" namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { size_t EncodeUTF8Char(char *buffer, char32_t utf8_char) { @@ -49,5 +49,5 @@ size_t EncodeUTF8Char(char *buffer, char32_t utf8_char) { } } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl diff --git a/absl/strings/internal/utf8.h b/absl/strings/internal/utf8.h index 59c4f5b4..b1bb954e 100644 --- a/absl/strings/internal/utf8.h +++ b/absl/strings/internal/utf8.h @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -13,7 +13,6 @@ // limitations under the License. // // UTF8 utilities, implemented to reduce dependencies. -// #ifndef ABSL_STRINGS_INTERNAL_UTF8_H_ #define ABSL_STRINGS_INTERNAL_UTF8_H_ @@ -22,7 +21,7 @@ #include namespace absl { -inline namespace lts_2018_12_18 { +inline namespace lts_2019_08_08 { namespace strings_internal { // For Unicode code points 0 through 0x10FFFF, EncodeUTF8Char writes @@ -43,7 +42,7 @@ enum { kMaxEncodedUTF8Size = 4 }; size_t EncodeUTF8Char(char *buffer, char32_t utf8_char); } // namespace strings_internal -} // inline namespace lts_2018_12_18 +} // inline namespace lts_2019_08_08 } // namespace absl #endif // ABSL_STRINGS_INTERNAL_UTF8_H_ diff --git a/absl/strings/internal/utf8_test.cc b/absl/strings/internal/utf8_test.cc index 64cec70d..88dd5036 100644 --- a/absl/strings/internal/utf8_test.cc +++ b/absl/strings/internal/utf8_test.cc @@ -4,7 +4,7 @@ // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // -// http://www.apache.org/licenses/LICENSE-2.0 +// https://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, @@ -22,12 +22,17 @@ namespace { +#if !defined(__cpp_char8_t) +#if defined(__clang__) +#pragma clang diagnostic push +#pragma clang diagnostic ignored "-Wc++2a-compat" +#endif TEST(EncodeUTF8Char, BasicFunction) { std::pair tests[] = {{0x0030, u8"\u0030"}, - {0x00A3, u8"\u00A3"}, - {0x00010000, u8"\U00010000"}, - {0x0000FFFF, u8"\U0000FFFF"}, - {0x0010FFFD, u8"\U0010FFFD"}}; + {0x00A3, u8"\u00A3"}, + {0x00010000, u8"\U00010000"}, + {0x0000FFFF, u8"\U0000FFFF"}, + {0x0010FFFD, u8"\U0010FFFD"}}; for (auto &test : tests) { char buf0[7] = {'\x00', '\x00', '\x00', '\x00', '\x00', '\x00', '\x00'}; char buf1[7] = {'\xFF', '\xFF', '\xFF', '\xFF', '\xFF', '\xFF', '\xFF'}; @@ -53,5 +58,9 @@ TEST(EncodeUTF8Char, BasicFunction) { EXPECT_LE(absl::strings_internal::EncodeUTF8Char(buf2, -1), absl::strings_internal::kMaxEncodedUTF8Size); } +#if defined(__clang__) +#pragma clang diagnostic pop +#endif +#endif // !defined(__cpp_char8_t) } // namespace -- cgit v1.2.3