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Export of internal Abseil changes.

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c321829735accc2e6beb81e6a5a4421e5647b876 by CJ Johnson <johnsoncj@google.com>:

Updates the definition of InlinedVector::swap(InlinedVector&) to be exception safe and adds exception safety tests

PiperOrigin-RevId: 255511536

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0d86445891748efb09430eb9ede267b54185a246 by CJ Johnson <johnsoncj@google.com>:

Updates the definition of InlinedVector::erase(...) to be exception safe and adds an exception safety test for it.

PiperOrigin-RevId: 255492671

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f07e8fa62dfe9eb0d025b27fca8c6db43c5a328f by CJ Johnson <johnsoncj@google.com>:

Updates the implementation of InlinedVector::emplace_back(...) to be exception safe and adds exception safety tests

PiperOrigin-RevId: 255422837

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4c3be92bfe4c1636a03cef8fd5aa802fed0d2c61 by Abseil Team <absl-team@google.com>:

Internal Change

PiperOrigin-RevId: 255422693

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6df38ea42f00678c357a539016163f8ac4c084e6 by Gennadiy Rozental <rogeeff@google.com>:

Introduce public interfaces for setting and getting program usage messages.

PiperOrigin-RevId: 255291467

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8f21d594aed3971d37db70226847c693eb548edb by Laramie Leavitt <lar@google.com>:

Move absl/random's copy of ABSL_ATTRIBUTE_FORCE_INLINE and
ABSL_ATTRIBUTE_NEVER_INLINE into .cc files and rename to
prevent conflicts.

https://github.com/abseil/abseil-cpp/issues/343

PiperOrigin-RevId: 255288599

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6b7430ad0c8bd860fb9394894f5eeedd1acc9f77 by CJ Johnson <johnsoncj@google.com>:

Updates the ScopedAllocatorWorks test for InlinedVector to not rely on the byte count allocated by the standard library

In doing so, removes LegacyNextCapacityFrom(...) impl function from InlinedVector

Also applies clang-format to the test file

PiperOrigin-RevId: 255207606
GitOrigin-RevId: c321829735accc2e6beb81e6a5a4421e5647b876
Change-Id: I7438211c36c4549fca2e866658f8d579c65d7d52
This commit is contained in:
Abseil Team 2019-06-27 17:24:26 -07:00 • committed by Shaindel Schwartz
parent 72e09a54d9
commit c964fcffac
16 changed files with 518 additions and 367 deletions
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35
absl/flags/internal/usage.cc
View file

@ -21,6 +21,7 @@
#include "absl/flags/flag.h"
#include "absl/flags/internal/path_util.h"
#include "absl/flags/internal/program_name.h"
#include "absl/flags/usage.h"
#include "absl/flags/usage_config.h"
#include "absl/strings/ascii.h"
#include "absl/strings/str_cat.h"
@ -204,7 +205,7 @@ void FlagsHelpImpl(std::ostream& out, flags_internal::FlagKindFilter filter_cb,
HelpFormat format = HelpFormat::kHumanReadable) {
if (format == HelpFormat::kHumanReadable) {
out << flags_internal::ShortProgramInvocationName() << ": "
<< flags_internal::ProgramUsageMessage() << "\n\n";
<< absl::ProgramUsageMessage() << "\n\n";
} else {
// XML schema is not a part of our public API for now.
out << "<?xml version=\"1.0\"?>\n"
@ -213,7 +214,7 @@ void FlagsHelpImpl(std::ostream& out, flags_internal::FlagKindFilter filter_cb,
// The program name and usage.
<< XMLElement("program", flags_internal::ShortProgramInvocationName())
<< '\n'
<< XMLElement("usage", flags_internal::ProgramUsageMessage()) << '\n';
<< XMLElement("usage", absl::ProgramUsageMessage()) << '\n';
}
// Map of package name to
@ -278,38 +279,8 @@ void FlagsHelpImpl(std::ostream& out, flags_internal::FlagKindFilter filter_cb,
}
}
ABSL_CONST_INIT absl::Mutex usage_message_guard(absl::kConstInit);
ABSL_CONST_INIT std::string* program_usage_message
GUARDED_BY(usage_message_guard) = nullptr;
} // namespace
// --------------------------------------------------------------------
// Sets the "usage" message to be used by help reporting routines.
void SetProgramUsageMessage(absl::string_view new_usage_message) {
absl::MutexLock l(&usage_message_guard);
if (flags_internal::program_usage_message != nullptr) {
ABSL_INTERNAL_LOG(FATAL, "SetProgramUsageMessage() called twice.");
std::exit(1);
}
program_usage_message = new std::string(new_usage_message);
}
// --------------------------------------------------------------------
// Returns the usage message set by SetProgramUsageMessage().
// Note: We able to return string_view here only because calling
// SetProgramUsageMessage twice is prohibited.
absl::string_view ProgramUsageMessage() {
absl::MutexLock l(&usage_message_guard);
return program_usage_message != nullptr
? absl::string_view(*program_usage_message)
: "Warning: SetProgramUsageMessage() never called";
}
// --------------------------------------------------------------------
// Produces the help message describing specific flag.
void FlagHelp(std::ostream& out, const flags_internal::CommandLineFlag& flag,