Export of internal Abseil changes.

--
f4bb8afa9376b4120f56f3beff7b07260da4a5c2 by CJ Johnson <johnsoncj@google.com>:

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PiperOrigin-RevId: 209630262
GitOrigin-RevId: f4bb8afa9376b4120f56f3beff7b07260da4a5c2
Change-Id: I3fedf35011d805ee4a20b92e073b43523b47d15b

absl/strings/internal/charconv_parse.cc

@@ -91,7 +91,7 @@ static_assert(std::numeric_limits<int>::digits10 >= kDecimalExponentDigitsMax,
 
 // To avoid incredibly large inputs causing integer overflow for our exponent,
 // we impose an arbitrary but very large limit on the number of significant
-// digits we will accept.  The implementation refuses to match a std::string with
+// digits we will accept.  The implementation refuses to match a string with
 // more consecutive significant mantissa digits than this.
 constexpr int kDecimalDigitLimit = 50000000;
 

absl/strings/internal/charconv_parse_test.cc

@@ -29,16 +29,16 @@ using absl::strings_internal::ParseFloat;
 
 namespace {
 
-// Check that a given std::string input is parsed to the expected mantissa and
+// Check that a given string input is parsed to the expected mantissa and
 // exponent.
 //
-// Input std::string `s` must contain a '$' character.  It marks the end of the
+// Input string `s` must contain a '$' character.  It marks the end of the
 // characters that should be consumed by the match.  It is stripped from the
 // input to ParseFloat.
 //
-// If input std::string `s` contains '[' and ']' characters, these mark the region
+// If input string `s` contains '[' and ']' characters, these mark the region
 // of characters that should be marked as the "subrange".  For NaNs, this is
-// the location of the extended NaN std::string.  For numbers, this is the location
+// the location of the extended NaN string.  For numbers, this is the location
 // of the full, over-large mantissa.
 template <int base>
 void ExpectParsedFloat(std::string s, absl::chars_format format_flags,
@@ -92,10 +92,10 @@ void ExpectParsedFloat(std::string s, absl::chars_format format_flags,
   EXPECT_EQ(characters_matched, expected_characters_matched);
 }
 
-// Check that a given std::string input is parsed to the expected mantissa and
+// Check that a given string input is parsed to the expected mantissa and
 // exponent.
 //
-// Input std::string `s` must contain a '$' character.  It marks the end of the
+// Input string `s` must contain a '$' character.  It marks the end of the
 // characters that were consumed by the match.
 template <int base>
 void ExpectNumber(std::string s, absl::chars_format format_flags,
@@ -106,7 +106,7 @@ void ExpectNumber(std::string s, absl::chars_format format_flags,
                           expected_literal_exponent);
 }
 
-// Check that a given std::string input is parsed to the given special value.
+// Check that a given string input is parsed to the given special value.
 //
 // This tests against both number bases, since infinities and NaNs have
 // identical representations in both modes.
@@ -116,7 +116,7 @@ void ExpectSpecial(const std::string& s, absl::chars_format format_flags,
   ExpectParsedFloat<16>(s, format_flags, type, 0, 0);
 }
 
-// Check that a given input std::string is not matched by Float.
+// Check that a given input string is not matched by Float.
 template <int base>
 void ExpectFailedParse(absl::string_view s, absl::chars_format format_flags) {
   ParsedFloat parsed =

absl/strings/internal/memutil.h

@@ -14,7 +14,7 @@
 // limitations under the License.
 //
 
-// These routines provide mem versions of standard C std::string routines,
+// These routines provide mem versions of standard C string routines,
 // such as strpbrk.  They function exactly the same as the str versions,
 // so if you wonder what they are, replace the word "mem" by
 // "str" and check out the man page.  I could return void*, as the
@@ -22,14 +22,14 @@
 // since this is by far the most common way these functions are called.
 //
 // The difference between the mem and str versions is the mem version
-// takes a pointer and a length, rather than a '\0'-terminated std::string.
+// takes a pointer and a length, rather than a '\0'-terminated string.
 // The memcase* routines defined here assume the locale is "C"
 // (they use absl::ascii_tolower instead of tolower).
 //
 // These routines are based on the BSD library.
 //
-// Here's a list of routines from std::string.h, and their mem analogues.
-// Functions in lowercase are defined in std::string.h; those in UPPERCASE
+// Here's a list of routines from string.h, and their mem analogues.
+// Functions in lowercase are defined in string.h; those in UPPERCASE
 // are defined here:
 //
 // strlen                  --

absl/strings/internal/ostringstream.h

@@ -25,18 +25,18 @@
 namespace absl {
 namespace strings_internal {
 
-// The same as std::ostringstream but appends to a user-specified std::string,
+// The same as std::ostringstream but appends to a user-specified string,
 // and is faster. It is ~70% faster to create, ~50% faster to write to, and
-// completely free to extract the result std::string.
+// completely free to extract the result string.
 //
-//   std::string s;
+//   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.
 //
-//   std::string s;
+//   string s;
 //   OStringStream(&s) << 42 << ' ' << 3.14;  // appends to `s`
 //
 // OStringStream is faster to create than std::ostringstream but it's still
@@ -45,14 +45,14 @@ namespace strings_internal {
 //
 // Creates unnecessary instances of OStringStream: slow.
 //
-//   std::string s;
+//   string s;
 //   OStringStream(&s) << 42;
 //   OStringStream(&s) << ' ';
 //   OStringStream(&s) << 3.14;
 //
 // Creates a single instance of OStringStream and reuses it: fast.
 //
-//   std::string s;
+//   string s;
 //   OStringStream strm(&s);
 //   strm << 42;
 //   strm << ' ';

absl/strings/internal/resize_uninitialized.h

@@ -44,8 +44,8 @@ void ResizeUninit(string_type* s, size_t new_size, std::false_type) {
   s->resize(new_size);
 }
 
-// Returns true if the std::string implementation supports a resize where
-// the new characters added to the std::string are left untouched.
+// Returns true if the string implementation supports a resize where
+// the new characters added to the string are left untouched.
 //
 // (A better name might be "STLStringSupportsUninitializedResize", alluding to
 // the previous function.)
@@ -57,7 +57,7 @@ inline constexpr bool STLStringSupportsNontrashingResize(string_type*) {
 // 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 std::string with known data. Uses a Google extension to std::string.
+// store of the string with known data. Uses a Google extension to ::string.
 template <typename string_type, typename = void>
 inline void STLStringResizeUninitialized(string_type* s, size_t new_size) {
   ResizeUninit(s, new_size, HasResizeUninitialized<string_type>());

absl/strings/internal/str_format/bind.h

@@ -168,7 +168,7 @@ int FprintF(std::FILE* output, const UntypedFormatSpecImpl& format,
 int SnprintF(char* output, size_t size, const UntypedFormatSpecImpl& format,
              absl::Span<const FormatArgImpl> args);
 
-// Returned by Streamed(v). Converts via '%s' to the std::string created
+// Returned by Streamed(v). Converts via '%s' to the string created
 // by std::ostream << v.
 template <typename T>
 class StreamedWrapper {

absl/strings/internal/str_format/extension.h

@@ -57,7 +57,7 @@ class FormatRawSinkImpl {
   void (*write_)(void*, string_view);
 };
 
-// An abstraction to which conversions write their std::string data.
+// An abstraction to which conversions write their string data.
 class FormatSinkImpl {
  public:
   explicit FormatSinkImpl(FormatRawSinkImpl raw) : raw_(raw) {}

absl/strings/internal/str_format/parser.h

@@ -75,14 +75,14 @@ struct UnboundConversion {
 bool ConsumeUnboundConversion(string_view* src, UnboundConversion* conv,
                               int* next_arg);
 
-// Parse the format std::string provided in 'src' and pass the identified items into
+// Parse the format string provided in 'src' and pass the identified items into
 // 'consumer'.
 // Text runs will be passed by calling
 //   Consumer::Append(string_view);
 // ConversionItems will be passed by calling
 //   Consumer::ConvertOne(UnboundConversion, string_view);
 // In the case of ConvertOne, the string_view that is passed is the
-// portion of the format std::string corresponding to the conversion, not including
+// portion of the format string corresponding to the conversion, not including
 // the leading %. On success, it returns true. On failure, it stops and returns
 // false.
 template <typename Consumer>
@@ -237,7 +237,7 @@ class ParsedFormatBase {
 // This class also supports runtime format checking with the ::New() and
 // ::NewAllowIgnored() factory functions.
 // This is the only API that allows the user to pass a runtime specified format
-// std::string. These factory functions will return NULL if the format does not match
+// string. These factory functions will return NULL if the format does not match
 // the conversions requested by the user.
 template <str_format_internal::Conv... C>
 class ExtendedParsedFormat : public str_format_internal::ParsedFormatBase {

absl/strings/internal/str_join_internal.h

@@ -189,7 +189,7 @@ struct DefaultFormatter<std::unique_ptr<ValueType>>
 //
 
 // The main joining algorithm. This simply joins the elements in the given
-// iterator range, each separated by the given separator, into an output std::string,
+// iterator range, each separated by the given separator, into an output string,
 // and formats each element using the provided Formatter object.
 template <typename Iterator, typename Formatter>
 std::string JoinAlgorithm(Iterator start, Iterator end, absl::string_view s,
@@ -205,20 +205,20 @@ std::string JoinAlgorithm(Iterator start, Iterator end, absl::string_view s,
 }
 
 // A joining algorithm that's optimized for a forward iterator range of
-// std::string-like objects that do not need any additional formatting. This is to
-// optimize the common case of joining, say, a std::vector<std::string> or a
+// string-like objects that do not need any additional formatting. This is to
+// optimize the common case of joining, say, a std::vector<string> or a
 // std::vector<absl::string_view>.
 //
 // 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 std::string-like objects (e.g., std::string, absl::string_view), and an
+// range of string-like objects (e.g., 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
-// std::string to avoid the need to resize while appending. To do this, the iterator
+// string to avoid the need to resize while appending. To do this, the iterator
 // range will be traversed twice: once to calculate the total needed size, and
-// then again to copy the elements and delimiters to the output std::string.
+// then again to copy the elements and delimiters to the output string.
 template <typename Iterator,
           typename = typename std::enable_if<std::is_convertible<
               typename std::iterator_traits<Iterator>::iterator_category,

absl/strings/internal/str_split_internal.h

@@ -51,7 +51,7 @@ namespace strings_internal {
 
 // This class is implicitly constructible from everything that absl::string_view
 // is implicitly constructible from. If it's constructed from a temporary
-// std::string, the data is moved into a data member so its lifetime matches that of
+// string, the data is moved into a data member so its lifetime matches that of
 // the ConvertibleToStringView instance.
 class ConvertibleToStringView {
  public:
@@ -102,7 +102,7 @@ ConvertibleToStringView(std::string&& s)  // NOLINT(runtime/explicit)
   absl::string_view value_;
 };
 
-// An iterator that enumerates the parts of a std::string from a Splitter. The text
+// An iterator that enumerates the parts of a string from a Splitter. The text
 // to be split, the Delimiter, and the Predicate are all taken from the given
 // Splitter object. Iterators may only be compared if they refer to the same
 // Splitter instance.