mirror of
https://github.com/NGSolve/netgen.git
synced 2024-09-22 17:52:50 +05:00
131 lines
3.8 KiB
C++
131 lines
3.8 KiB
C++
#include "ngcore_api.hpp"
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#include "utils.hpp"
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#include "logging.hpp"
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#include "simd_generic.hpp"
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#ifndef WIN32
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#include <cxxabi.h>
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#endif
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#include <array>
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#include <filesystem>
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#include <iostream>
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#include <regex>
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#include "ngstream.hpp"
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namespace ngcore
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{
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namespace detail
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{
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// see https://github.com/RobotLocomotion/drake/blob/master/common/nice_type_name.cc
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static const auto demangle_regexes =
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std::array<std::pair<std::regex, std::string>, 8>{
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// Remove unwanted keywords and following space. (\b is word boundary.)
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std::make_pair(std::regex("\\b(class|struct|enum|union) "), ""),
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// Tidy up anonymous namespace.
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{std::regex("[`(]anonymous namespace[')]"), "(anonymous)"},
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// Replace Microsoft __int64 with long long.
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{std::regex("\\b__int64\\b"), "long long"},
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// Temporarily replace spaces we want to keep with "!". (\w is
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// alphanumeric or underscore.)
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{std::regex("(\\w) (\\w)"), "$1!$2"},
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{std::regex(" "), ""}, // Delete unwanted spaces.
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// Some compilers throw in extra namespaces like "__1" or "__cxx11".
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// Delete them.
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{std::regex("\\b__[[:alnum:]_]+::"), ""},
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{std::regex("!"), " "}, // Restore wanted spaces.
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// Recognize std::string's full name and abbreviate.
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{std::regex("\\bstd::basic_string<char,std::char_traits<char>,"
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"std::allocator<char>>"), "std::string"}
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};
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std::string CleanupDemangledName( std::string s )
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{
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for(const auto & [r, sub] : demangle_regexes)
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s = std::regex_replace (s,r,sub);
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return s;
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}
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} // namespace detail
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// parallel netgen
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int id = 0, ntasks = 1;
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#ifdef WIN32
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// windows does demangling in typeid(T).name()
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NGCORE_API std::string Demangle(const char* typeinfo) {
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std::string name = typeinfo;
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return detail::CleanupDemangledName(name);
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}
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#else
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NGCORE_API std::string Demangle(const char* typeinfo)
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{
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int status=0;
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try
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{
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char *s = abi::__cxa_demangle(typeinfo, nullptr, nullptr, &status);
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std::string result;
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if (s == nullptr)
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result = typeinfo;
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else
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{
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result = s;
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free(s);
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}
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result = detail::CleanupDemangledName(result);
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return result;
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}
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catch( const std::exception & e )
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{
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GetLogger("utils")->warn("{}:{} cannot demangle {}, status: {}, error:{}", __FILE__, __LINE__, typeinfo, status, e.what());
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}
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std::string name = typeinfo;
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return detail::CleanupDemangledName(name);
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}
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#endif
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double seconds_per_tick = [] () noexcept
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{
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auto tick_start = GetTimeCounter();
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double tstart = WallTime();
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double tend = WallTime()+0.001;
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// wait for 1ms and compare wall time with time counter
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while(WallTime()<tend);
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auto tick_end = GetTimeCounter();
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tend = WallTime();
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return (tend-tstart)/static_cast<double>(tick_end-tick_start);
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}();
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const std::chrono::time_point<TClock> wall_time_start = TClock::now();
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int printmessage_importance = 0;
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bool NGSOStream :: glob_active = true;
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NGCORE_API int GetCompiledSIMDSize()
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{
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return GetDefaultSIMDSize();
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}
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NGCORE_API bool IsRangeCheckEnabled()
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{
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#ifdef NETGEN_ENABLE_CHECK_RANGE
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return true;
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#else
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return false;
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#endif
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}
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NGCORE_API std::filesystem::path GetTempFilename()
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{
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static int counter = 0;
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auto path = std::filesystem::temp_directory_path();
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path += ".temp_netgen_file_"+ToString(counter++)+"_"+ToString(GetTimeCounter());
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return path;
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}
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} // namespace ngcore
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