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Fix type_name for abstract classes. Fixes #172.

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This commit is contained in:
Peter Dimov 2024-04-24 21:46:32 +03:00
parent d03e58b77e
commit 965508d9e1
2 changed files with 20 additions and 2 deletions
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5
include/boost/core/type_name.hpp
View File

@ -103,7 +103,8 @@ inline std::string fix_typeid_name( char const* n )
}
// class types can be incomplete
template<class T> std::string typeid_name_impl( int T::* )
// but also abstract (T[1] doesn't form)
template<class T> std::string typeid_name_impl( int T::*, T(*)[1] )
{
std::string r = fix_typeid_name( typeid(T[1]).name() );
return r.substr( 0, r.size() - 4 ); // remove ' [1]' suffix
@ -116,7 +117,7 @@ template<class T> std::string typeid_name_impl( ... )
template<class T> std::string typeid_name()
{
return typeid_name_impl<T>( 0 );
return typeid_name_impl<T>( 0, 0 );
}
// template names

17
test/type_name_test.cpp
View File

@ -55,6 +55,13 @@ template<class T1, class T2> struct X
template<class T1, class T2> struct Y;
class W
{
public:
virtual void f() = 0;
};
enum E1
{
e1
@ -122,6 +129,7 @@ int main()
TEST(A);
TEST(B);
TEST(C);
TEST(W);
TEST(E1);
@ -143,6 +151,9 @@ int main()
TEST(C&);
TEST(C const&);
TEST(W const);
TEST(W&);
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
TEST(B&&);
@ -156,6 +167,8 @@ int main()
TEST(C*);
TEST(C const* volatile*);
TEST(W volatile*);
TEST(void*);
TEST(void const* volatile*);
@ -307,6 +320,8 @@ int main()
TEST(std::pair<C, C>);
TEST(std::pair<W, W>);
TEST(std::pair<void, void>);
TEST(std::pair<std::pair<void, void>, void>);
@ -336,9 +351,11 @@ int main()
TEST(X<A const&, B&> volatile&);
TEST(X<C, C>);
TEST(X<W, W>);
TEST(Y<A, B>);
TEST(Y<C, C>);
TEST(Y<W, W>);
TEST(X<std::pair<void, void>, void>);