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Export of internal Abseil changes

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--
990253454819ce26ff1dda9ab4bbc145b61d01e4 by Xiaoyi Zhang <zhangxy@google.com>:

Import github PR https://github.com/abseil/abseil-cpp/pull/645

PiperOrigin-RevId: 303119797

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5ac845cb7929b7d1eaf59a309afd811db5001175 by Abseil Team <absl-team@google.com>:

Fix internal exception spec compatibility error

PiperOrigin-RevId: 303104081

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3290595dd866eecab3c7044e2e3ca0adb74f1bf5 by Gennadiy Rozental <rogeeff@google.com>:

Use FlagValue<T> to represent the value of a flag. Place it directly after
FlagImpl and use a computed offset refer to it.

The offset is computed based on the assumption that the `value_` data member
is placed directly after the impl_ data member in Flag<T>.

This change will allow us to migrate to `T`-specific storage in the generic case.

This change decreases the overhead for int flags by 32 bytes.

PiperOrigin-RevId: 303038099

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f2b37722cd7a6d3a60ef9713f0d2bbff56f3ddbf by Derek Mauro <dmauro@google.com>:

Minor correctness fix for an ABSL_HAVE_BUILTIN conditional

PiperOrigin-RevId: 302980666

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39c079a6141ae1c5728af8bf33a39c8aff9deb9f by Abseil Team <absl-team@google.com>:

Use ABSL_HARDENING_ASSERT in b-tree and SwissTable iterators.

PiperOrigin-RevId: 302970075

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9668a044e080c789df32bcaa1ffb5100831cd9fa by Benjamin Barenblat <bbaren@google.com>:

Correct `add_subdirectory` line in CMake googletest support

Commit bcefbdcdf6 added support for building with CMake against a local googletest checkout, but I missed a line when constructing the diff. Change the `add_subdirectory` line to reference the correct directories.

PiperOrigin-RevId: 302947488

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0a3c10fabf80a43ca69ab8b1570030e55f2be741 by Andy Soffer <asoffer@google.com>:

Remove unused distribution format traits.

PiperOrigin-RevId: 302896176

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0478f2f6270e5ed64c0e28ec09556ca90b2d46a9 by Samuel Benzaquen <sbenza@google.com>:

Fix for CWG:2310.

PiperOrigin-RevId: 302734089

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3cb978dda5cae5905affdc0914dcc2d27671ed11 by Samuel Benzaquen <sbenza@google.com>:

Fix the Allocate/Deallocate functions to use the same underlying allocator type.

PiperOrigin-RevId: 302721804

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ae38d3984fb68b4e3ddc165fa8d5c24d5936be52 by Matthew Brown <matthewbr@google.com>:

Internal Change

PiperOrigin-RevId: 302717314

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7357cf7abd03cc60b6e82b5f28a8e34935c3b4dc by Andy Getzendanner <durandal@google.com>:

Fix typo: s/ABSL_HARDENED_ASSERT/ABSL_HARDENING_ASSERT/

PiperOrigin-RevId: 302532164
GitOrigin-RevId: 990253454819ce26ff1dda9ab4bbc145b61d01e4
Change-Id: Ie595a221c16e1e7e1255ad42e029b646c5f3e11d
This commit is contained in:
Abseil Team 2020-03-26 08:48:01 -07:00 • committed by Xiaoyi Zhang
parent 132d791b40
commit 79e0dc1151
29 changed files with 387 additions and 607 deletions
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15
absl/random/internal/distribution_caller.h
View file

@ -33,20 +33,7 @@ struct DistributionCaller {
// Call the provided distribution type. The parameters are expected
// to be explicitly specified.
// DistrT is the distribution type.
// FormatT is the formatter type:
//
// struct FormatT {
// using result_type = distribution_t::result_type;
// static std::string FormatCall(
// const distribution_t& distr,
// absl::Span<const result_type>);
//
// static std::string FormatExpectation(
// absl::string_view match_args,
// absl::Span<const result_t> results);
// }
//
template <typename DistrT, typename FormatT, typename... Args>
template <typename DistrT, typename... Args>
static typename DistrT::result_type Call(URBG* urbg, Args&&... args) {
DistrT dist(std::forward<Args>(args)...);
return dist(*urbg);

39
absl/random/internal/mocking_bit_gen_base.h
View file

@ -16,8 +16,6 @@
#ifndef ABSL_RANDOM_INTERNAL_MOCKING_BIT_GEN_BASE_H_
#define ABSL_RANDOM_INTERNAL_MOCKING_BIT_GEN_BASE_H_
#include <atomic>
#include <deque>
#include <string>
#include <typeinfo>
@ -28,27 +26,6 @@ namespace absl {
ABSL_NAMESPACE_BEGIN
namespace random_internal {
// MockingBitGenExpectationFormatter is invoked to format unsatisfied mocks
// and remaining results into a description string.
template <typename DistrT, typename FormatT>
struct MockingBitGenExpectationFormatter {
std::string operator()(absl::string_view args) {
return absl::StrCat(FormatT::FunctionName(), "(", args, ")");
}
};
// MockingBitGenCallFormatter is invoked to format each distribution call
// into a description string for the mock log.
template <typename DistrT, typename FormatT>
struct MockingBitGenCallFormatter {
std::string operator()(const DistrT& dist,
const typename DistrT::result_type& result) {
return absl::StrCat(
FormatT::FunctionName(), "(", FormatT::FormatArgs(dist), ") => {",
FormatT::FormatResults(absl::MakeSpan(&result, 1)), "}");
}
};
class MockingBitGenBase {
template <typename>
friend struct DistributionCaller;
@ -61,14 +38,9 @@ class MockingBitGenBase {
static constexpr result_type(max)() { return (generator_type::max)(); }
result_type operator()() { return gen_(); }
MockingBitGenBase() : gen_(), observed_call_log_() {}
virtual ~MockingBitGenBase() = default;
protected:
const std::deque<std::string>& observed_call_log() {
return observed_call_log_;
}
// CallImpl is the type-erased virtual dispatch.
// The type of dist is always distribution<T>,
// The type of result is always distribution<T>::result_type.
@ -81,10 +53,9 @@ class MockingBitGenBase {
}
// Call the generating distribution function.
// Invoked by DistributionCaller<>::Call<DistT, FormatT>.
// Invoked by DistributionCaller<>::Call<DistT>.
// DistT is the distribution type.
// FormatT is the distribution formatter traits type.
template <typename DistrT, typename FormatT, typename... Args>
template <typename DistrT, typename... Args>
typename DistrT::result_type Call(Args&&... args) {
using distr_result_type = typename DistrT::result_type;
using ArgTupleT = std::tuple<absl::decay_t<Args>...>;
@ -100,17 +71,11 @@ class MockingBitGenBase {
result = dist(gen_);
}
// TODO(asoffer): Forwarding the args through means we no longer need to
// extract them from the from the distribution in formatter traits. We can
// just StrJoin them.
observed_call_log_.push_back(
MockingBitGenCallFormatter<DistrT, FormatT>{}(dist, result));
return result;
}
private:
generator_type gen_;
std::deque<std::string> observed_call_log_;
}; // namespace random_internal
} // namespace random_internal