diff options
author | 2019-06-27 17:24:26 -0700 | |
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committer | 2019-06-28 11:37:15 -0400 | |
commit | c964fcffac27bd4a9ff67fe393410dd1146ef8b8 (patch) | |
tree | 3ff13a27c0de86de82d898933e808d4b7f69f823 /absl/flags/internal | |
parent | 72e09a54d993b192db32be14c65adf7e9bd08c31 (diff) |
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
Diffstat (limited to 'absl/flags/internal')
-rw-r--r-- | absl/flags/internal/usage.cc | 35 | ||||
-rw-r--r-- | absl/flags/internal/usage.h | 14 | ||||
-rw-r--r-- | absl/flags/internal/usage_test.cc | 12 |
3 files changed, 10 insertions, 51 deletions
diff --git a/absl/flags/internal/usage.cc b/absl/flags/internal/usage.cc index f17cc6c5..b1ff8b83 100644 --- a/absl/flags/internal/usage.cc +++ b/absl/flags/internal/usage.cc @@ -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 @@ -278,39 +279,9 @@ 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, HelpFormat format) { diff --git a/absl/flags/internal/usage.h b/absl/flags/internal/usage.h index 2d0ea7a7..33f3f969 100644 --- a/absl/flags/internal/usage.h +++ b/absl/flags/internal/usage.h @@ -29,20 +29,6 @@ namespace absl { namespace flags_internal { -// Sets the "usage" message to be used by help reporting routines. -// For example: -// absl::SetProgramUsageMessage( -// absl::StrCat("This program does nothing. Sample usage:\n", argv[0], -// " <uselessarg1> <uselessarg2>")); -// Do not include commandline flags in the usage: we do that for you! -// Note: Calling SetProgramUsageMessage twice will trigger a call to std::exit. -void SetProgramUsageMessage(absl::string_view new_usage_message); - -// Returns the usage message set by SetProgramUsageMessage(). -absl::string_view ProgramUsageMessage(); - -// -------------------------------------------------------------------- - // The format to report the help messages in. enum class HelpFormat { kHumanReadable, diff --git a/absl/flags/internal/usage_test.cc b/absl/flags/internal/usage_test.cc index cb40aa42..fa121fc9 100644 --- a/absl/flags/internal/usage_test.cc +++ b/absl/flags/internal/usage_test.cc @@ -13,14 +13,16 @@ // See the License for the specific language governing permissions and // limitations under the License. +#include "absl/flags/internal/usage.h" + #include <sstream> #include "gtest/gtest.h" #include "absl/flags/flag.h" -#include "absl/flags/parse.h" #include "absl/flags/internal/path_util.h" #include "absl/flags/internal/program_name.h" -#include "absl/flags/internal/usage.h" +#include "absl/flags/parse.h" +#include "absl/flags/usage.h" #include "absl/flags/usage_config.h" #include "absl/memory/memory.h" #include "absl/strings/match.h" @@ -81,11 +83,11 @@ class UsageReportingTest : public testing::Test { using UsageReportingDeathTest = UsageReportingTest; TEST_F(UsageReportingDeathTest, TestSetProgramUsageMessage) { - EXPECT_EQ(flags::ProgramUsageMessage(), "Custom usage message"); + EXPECT_EQ(absl::ProgramUsageMessage(), "Custom usage message"); #ifndef _WIN32 // TODO(rogeeff): figure out why this does not work on Windows. - EXPECT_DEATH(flags::SetProgramUsageMessage("custom usage message"), + EXPECT_DEATH(absl::SetProgramUsageMessage("custom usage message"), ".*SetProgramUsageMessage\\(\\) called twice.*"); #endif } @@ -360,7 +362,7 @@ TEST_F(UsageReportingTest, TestUsageFlag_helpon) { int main(int argc, char* argv[]) { absl::GetFlag(FLAGS_undefok); // Force linking of parse.cc flags::SetProgramInvocationName("usage_test"); - flags::SetProgramUsageMessage("Custom usage message"); + absl::SetProgramUsageMessage("Custom usage message"); ::testing::InitGoogleTest(&argc, argv); return RUN_ALL_TESTS(); |