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Add support for disabled exceptions and RTTI #125

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40 changes: 28 additions & 12 deletions src/include/nanobench.h
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Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,20 @@
// See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58265
#define ANKERL_NANOBENCH_PRIVATE_NOEXCEPT_STRING_MOVE() std::is_nothrow_move_assignable<std::string>::value

#if __cpp_exceptions || _HAS_EXCEPTIONS
# define ANKERL_NANOBENCH_THROW(...) throw __VA_ARGS__
#elif defined(_MSC_VER)
# define ANKERL_NANOBENCH_THROW(...) (_invoke_watson(nullptr, nullptr, nullptr, 0, 0))
#else
# define ANKERL_NANOBENCH_THROW(...) (__builtin_abort())
#endif

#if defined(_CPPRTTI) || defined(__GXX_RTTI)
# define ANKERL_NANOBENCH_HAS_RTTI 1
#else
# define ANKERL_NANOBENCH_HAS_RTTI 0
#endif

// declarations ///////////////////////////////////////////////////////////////////////////////////

namespace ankerl {
Expand Down Expand Up @@ -1712,7 +1726,7 @@ static std::ostream& generateResultTag(Node const& n, Result const& r, std::ostr
// static std::regex const regOpArg2("^([a-zA-Z]+)\\(([a-zA-Z]*)\\s*,\\s+([a-zA-Z]*)\\)$");

// nothing matches :(
throw std::runtime_error("command '" + std::string(n.begin, n.end) + "' not understood");
ANKERL_NANOBENCH_THROW(std::runtime_error("command '" + std::string(n.begin, n.end) + "' not understood"));
}

static void generateResultMeasurement(std::vector<Node> const& nodes, size_t idx, Result const& r, std::ostream& out) {
Expand All @@ -1725,10 +1739,10 @@ static void generateResultMeasurement(std::vector<Node> const& nodes, size_t idx
break;

case Node::Type::inverted_section:
throw std::runtime_error("got a inverted section inside measurement");
ANKERL_NANOBENCH_THROW(std::runtime_error("got a inverted section inside measurement"));

case Node::Type::section:
throw std::runtime_error("got a section inside measurement");
ANKERL_NANOBENCH_THROW(std::runtime_error("got a section inside measurement"));

case Node::Type::tag: {
auto m = Result::fromString(std::string(n.begin, n.end));
Expand All @@ -1755,15 +1769,15 @@ static void generateResult(std::vector<Node> const& nodes, size_t idx, std::vect
break;

case Node::Type::inverted_section:
throw std::runtime_error("got a inverted section inside result");
ANKERL_NANOBENCH_THROW(std::runtime_error("got a inverted section inside result"));

case Node::Type::section:
if (n == "measurement") {
for (size_t i = 0; i < r.size(); ++i) {
generateResultMeasurement(n.children, i, r, out);
}
} else {
throw std::runtime_error("got a section inside result");
ANKERL_NANOBENCH_THROW(std::runtime_error("got a section inside result"));
}
break;

Expand Down Expand Up @@ -1914,7 +1928,7 @@ void render(char const* mustacheTemplate, std::vector<Result> const& results, st
break;

case templates::Node::Type::inverted_section:
throw std::runtime_error("unknown list '" + std::string(n.begin, n.end) + "'");
ANKERL_NANOBENCH_THROW(std::runtime_error("unknown list '" + std::string(n.begin, n.end) + "'"));

case templates::Node::Type::section:
if (n == "result") {
Expand All @@ -1924,17 +1938,17 @@ void render(char const* mustacheTemplate, std::vector<Result> const& results, st
}
} else if (n == "measurement") {
if (results.size() != 1) {
throw std::runtime_error(
ANKERL_NANOBENCH_THROW(std::runtime_error(
"render: can only use section 'measurement' here if there is a single result, but there are " +
detail::fmt::to_s(results.size()));
detail::fmt::to_s(results.size())));
}
// when we only have a single result, we can immediately go into its measurement.
auto const& r = results.front();
for (size_t i = 0; i < r.size(); ++i) {
generateResultMeasurement(n.children, i, r, out);
}
} else {
throw std::runtime_error("render: unknown section '" + std::string(n.begin, n.end) + "'");
ANKERL_NANOBENCH_THROW(std::runtime_error("render: unknown section '" + std::string(n.begin, n.end) + "'"));
}
break;

Expand All @@ -1945,7 +1959,7 @@ void render(char const* mustacheTemplate, std::vector<Result> const& results, st
} else {
// This just uses the last result's config.
if (!generateConfigTag(n, results.back().config(), out)) {
throw std::runtime_error("unknown tag '" + std::string(n.begin, n.end) + "'");
ANKERL_NANOBENCH_THROW(std::runtime_error("unknown tag '" + std::string(n.begin, n.end) + "'"));
}
}
break;
Expand Down Expand Up @@ -2812,7 +2826,9 @@ Number::Number(int width, int precision, double value)

std::ostream& Number::write(std::ostream& os) const {
StreamStateRestorer const restorer(os);
#if ANKERL_NANOBENCH_HAS_RTTI
os.imbue(std::locale(os.getloc(), new NumSep(',')));
#endif
os << std::setw(mWidth) << std::setprecision(mPrecision) << std::fixed << mValue;
return os;
}
Expand Down Expand Up @@ -3390,8 +3406,8 @@ Rng::Rng(std::vector<uint64_t> const& data)
: mX(0)
, mY(0) {
if (data.size() != 2) {
throw std::runtime_error("ankerl::nanobench::Rng::Rng: needed exactly 2 entries in data, but got " +
detail::fmt::to_s(data.size()));
ANKERL_NANOBENCH_THROW(std::runtime_error("ankerl::nanobench::Rng::Rng: needed exactly 2 entries in data, but got " +
detail::fmt::to_s(data.size())));
}
mX = data[0];
mY = data[1];
Expand Down