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Enable TypeToString for type_info

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VTK-m contains a helpful method named `vtkm::cont::TypeToString` that
either takes a type as a template argument or a `std::type_info` object
and returns a human-readable string for that type.

The standard C++ library has an alternate for `std::type_info` named
`std::type_index`, which has the added ability to be used in a container
like `set` or `map`. The `TypeToString` overloads have been extended to
also accept a `std::type_info` and report the name of the type stored in
it (rather than the name of `type_info` itself).
This commit is contained in:
Kenneth Moreland 2021-08-04 07:58:48 -06:00
parent 8f2d002465
commit 6f5455d0d6
3 changed files with 33 additions and 8 deletions
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11
docs/changelog/type-index-names.md Normal file
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@ -0,0 +1,11 @@
# Enable `TypeToString` for `type_info`
VTK-m contains a helpful method named `vtkm::cont::TypeToString` that
either takes a type as a template argument or a `std::type_info` object and
returns a human-readable string for that type.
The standard C++ library has an alternate for `std::type_info` named
`std::type_index`, which has the added ability to be used in a container
like `set` or `map`. The `TypeToString` overloads have been extended to
also accept a `std::type_info` and report the name of the type stored in it
(rather than the name of `type_info` itself).

19
vtkm/cont/Logging.cxx
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@ -298,5 +298,24 @@ std::string GetLogLevelName(LogLevel level)
using T = std::underlying_type<LogLevel>::type;
return std::to_string(static_cast<T>(level));
}
VTKM_CONT std::string TypeToString(const std::type_info& t)
{
#ifdef VTKM_ENABLE_LOGGING
return loguru::demangle(t.name()).c_str();
#else // VTKM_ENABLE_LOGGING
return t.name();
#endif // VTKM_ENABLE_LOGGING
}
VTKM_CONT std::string TypeToString(const std::type_index& t)
{
#ifdef VTKM_ENABLE_LOGGING
return loguru::demangle(t.name()).c_str();
#else // VTKM_ENABLE_LOGGING
return t.name();
#endif // VTKM_ENABLE_LOGGING
}
}
} // end namespace vtkm::cont

11
vtkm/cont/Logging.h
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@ -39,6 +39,7 @@
#endif // VTKM_ENABLE_LOGGING
#include <string>
#include <typeindex>
#include <typeinfo>
/// \file Logging.h
@ -472,14 +473,8 @@ VTKM_CONT inline std::string GetSizeString(T&& bytes, int prec = 2)
* enabled and the platform supports it, the type name will also be demangled.
* @{
*/
inline VTKM_CONT std::string TypeToString(const std::type_info& t)
{
#ifdef VTKM_ENABLE_LOGGING
return loguru::demangle(t.name()).c_str();
#else // VTKM_ENABLE_LOGGING
return t.name();
#endif // VTKM_ENABLE_LOGGING
}
VTKM_CONT_EXPORT VTKM_CONT std::string TypeToString(const std::type_info& t);
VTKM_CONT_EXPORT VTKM_CONT std::string TypeToString(const std::type_index& t);
template <typename T>
inline VTKM_CONT std::string TypeToString()
{