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Export of internal Abseil changes.

Browse source 
--
f9f068aa8a260dc576398e47b8e4540902e41358 by Derek Mauro <dmauro@google.com>:

Fix test string with embedded NUL. Currently parses as octal.

PiperOrigin-RevId: 237088193

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d271ffdd3f450f817f6d30e98ff39d439aaf3a98 by Abseil Team <absl-team@google.com>:

Make symbolizer examine any mapping with read+exec permission regardless of 'w' bit.

PiperOrigin-RevId: 237056461

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af315f8306d36a7367a452fd0b58cafdbf20719d by Abseil Team <absl-team@google.com>:

Switch comments referencing base:: CondVar and Mutex to absl::.

PiperOrigin-RevId: 236917884

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c624d5d1c0bdb917bff5e651ba40599472f84e0e by Gennadiy Rozental <rogeeff@google.com>:

Internal change

PiperOrigin-RevId: 236898300

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3cdc82429af964846d1152f49148abc61d196a4b by Samuel Benzaquen <sbenza@google.com>:

Make the `long double` overload if AbslHashValue a template to avoid invalid
conversions with implicit operators.

This overload was never meant to capture anything other than `long double` and any current caller to it that wasn't a `long double` is potentially a bug.
In particular, any type with an implicit `bool` conversion is calling this
overload instead of trying to find a hash<> specialization, thus causing
pretty bad hash behavior.

PiperOrigin-RevId: 236877073
GitOrigin-RevId: f9f068aa8a260dc576398e47b8e4540902e41358
Change-Id: If9cc008dd814f0ca06ed881f612c06575f1f7137
This commit is contained in:
Abseil Team 2019-03-06 11:36:55 -08:00 • committed by Derek Mauro
parent 9fdf5e5b80
commit febc5ee6a9
70 changed files with 483 additions and 410 deletions
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32
absl/strings/str_format.h
View file

@ -24,7 +24,8 @@
//
// Example:
//
// string s = absl::StrFormat("%s %s You have $%d!", "Hello", name, dollars);
// std::string s = absl::StrFormat(
// "%s %s You have $%d!", "Hello", name, dollars);
//
// The library consists of the following basic utilities:
//
@ -89,7 +90,7 @@ namespace absl {
// Example:
//
// absl::UntypedFormatSpec format("%d");
// string out;
// std::string out;
// CHECK(absl::FormatUntyped(&out, format, {absl::FormatArg(1)}));
class UntypedFormatSpec {
public:
@ -135,8 +136,8 @@ str_format_internal::StreamedWrapper<T> FormatStreamed(const T& v) {
// Example:
//
// int n = 0;
// string s = absl::StrFormat("%s%d%n", "hello", 123,
// absl::FormatCountCapture(&n));
// std::string s = absl::StrFormat("%s%d%n", "hello", 123,
// absl::FormatCountCapture(&n));
// EXPECT_EQ(8, n);
class FormatCountCapture {
public:
@ -223,7 +224,7 @@ class FormatCountCapture {
// "%p", *int -> "0x7ffdeb6ad2a4"
//
// int n = 0;
// string s = absl::StrFormat(
// std::string s = absl::StrFormat(
// "%s%d%n", "hello", 123, absl::FormatCountCapture(&n));
// EXPECT_EQ(8, n);
//
@ -290,14 +291,14 @@ using ParsedFormat = str_format_internal::ExtendedParsedFormat<
//
// Example:
//
// string s = absl::StrFormat(
// std::string s = absl::StrFormat(
// "Welcome to %s, Number %d!", "The Village", 6);
// EXPECT_EQ("Welcome to The Village, Number 6!", s);
//
// Returns an empty string in case of error.
template <typename... Args>
ABSL_MUST_USE_RESULT std::string StrFormat(const FormatSpec<Args...>& format,
const Args&... args) {
const Args&... args) {
return str_format_internal::FormatPack(
str_format_internal::UntypedFormatSpecImpl::Extract(format),
{str_format_internal::FormatArgImpl(args)...});
@ -311,11 +312,12 @@ ABSL_MUST_USE_RESULT std::string StrFormat(const FormatSpec<Args...>& format,
//
// Example:
//
// string orig("For example PI is approximately ");
// std::string orig("For example PI is approximately ");
// std::cout << StrAppendFormat(&orig, "%12.6f", 3.14);
template <typename... Args>
std::string& StrAppendFormat(std::string* dst, const FormatSpec<Args...>& format,
const Args&... args) {
std::string& StrAppendFormat(std::string* dst,
const FormatSpec<Args...>& format,
const Args&... args) {
return str_format_internal::AppendPack(
dst, str_format_internal::UntypedFormatSpecImpl::Extract(format),
{str_format_internal::FormatArgImpl(args)...});
@ -434,7 +436,8 @@ class FormatRawSink {
// `absl::FormatRawSink` interface), using a format string and zero or more
// additional arguments.
//
// By default, `string` and `std::ostream` are supported as destination objects.
// By default, `std::string` and `std::ostream` are supported as destination
// objects.
//
// `absl::Format()` is a generic version of `absl::StrFormat(), for custom
// sinks. The format string, like format strings for `StrFormat()`, is checked
@ -483,9 +486,10 @@ using FormatArg = str_format_internal::FormatArgImpl;
//
// Example:
//
// std::optional<string> FormatDynamic(const string& in_format,
// const vector<string>& in_args) {
// string out;
// std::optional<std::string> FormatDynamic(
// const std::string& in_format,
// const vector<std::string>& in_args) {
// std::string out;
// std::vector<absl::FormatArg> args;
// for (const auto& v : in_args) {
// // It is important that 'v' is a reference to the objects in in_args.