X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Utils%2Fmembind.hh;h=83613a81b66a2db3d3c711b60d517d9c3b220b07;hb=b8ca4a544cce3e6023bb56b712a03d6362f2bb79;hp=c2baf8601d2ab02570d972d2e9414cec592ee0bd;hpb=794b9c2774e19c13ac7eee82ec56fd0f42ede5ff;p=senf.git diff --git a/Utils/membind.hh b/Utils/membind.hh index c2baf86..83613a8 100644 --- a/Utils/membind.hh +++ b/Utils/membind.hh @@ -57,6 +57,95 @@ ///////////////////////////////hh.p//////////////////////////////////////// +/** \brief Get function pointer + + This macro will get a function pointer of a possibly overloaded function: + + \code + void foo(int i); + int foo(); + + SENF_FNP(void, foo, (int i)) // Get the address of the first overload + \endcode + + The macro arguments are the return type, function name and function arguments just as specified + in the declaration. + + This macro only works for functions at namespace scope or for class static functions. For member + functions use \ref SENF_MEMFNP() or \ref SENF_MEMBINDFNP(). + + \hideinitializer + \ingroup membind + */ +#define SENF_FNP(ret, fn, args) \ + static_cast(& fn) + +/** \brief Get function pointer + + This macro will get a member function pointer of a possibly overloaded member function: + + \code + struct Foo + { + void foo(int i); + int foo() const; + }; + + SENF_MEMFNP(int, Foo, foo, () const) // Get the address of the first overload + \endcode + + The macro arguments are the return type, class name, function name and function arguments just + as specified in the declaration. + + This macro only works for member functions. For namespace scope functions or class static + functions use SENF_FNP. + + This macro returns a member function pointer. To automatically bind this pointer to \c this, use + \ref SENF_MEMBINDFNP() or use senf::membind() to bind to some other instance besides \c this. + + \hideinitializer + \ingroup membind + */ +#define SENF_MEMFNP(ret, cls, fn, args) \ + static_cast(& cls :: fn) + +/** \brief Get function pointer + + This macro will get a member function pointer of a possibly overloaded member function and bind + it to \c this returning a boost::function object resembling an ordinary non-member function (see + senf::membind()). + + \code + struct Foo + { + void foo(int i); + int foo() const; + + Foo() + { + // Get bound member function for second overload + SENF_MEMBINDFNP(int, Foo, foo, () const) + } + + }; + \endcode + + The macro arguments are the return type, class name, function name and function arguments just + as specified in the declaration. + + This macro only works for member functions. For namespace scope functions or class static + functions use SENF_FNP. + + This macro returns a bound member function (a \c boost::function object instance). To get an + ordinary member function pointer use \ref SENF_MEMFNP(), for non-member function or class static + functions use \ref MEM_FNP(). + + \hideinitializer + \ingroup membind + */ +#define SENF_MEMBINDFNP(ret, cls, fn, args) \ + senf::membind(SENF_MEMFNP(ret, cls, fn, args), this) + namespace senf { #define scOBTYPE T *