Daniel James wrote:
Toon Knapen wrote:
On IBM this results in following error msg:
"pp.cpp", line 14.1: 1540-0063 (S) The text "1" is unexpected.
I think that Paul was after the preprocessed text.
Oops sorry. Here it is. But, if that's not possible, can you try the following? Do you still want me to run following program ?
thanks,
Daniel
#include <boost/preprocessor/detail/split.hpp> #include <boost/preprocessor/punctuation/comma.hpp> #include <boost/preprocessor/punctuation/paren.hpp> #include <boost/preprocessor/tuple/eat.hpp> #include <boost/static_assert.hpp>
#define IS_NULLARY(x) \ BOOST_PP_SPLIT(1, IS_NULLARY_C x BOOST_PP_COMMA() 0) \ /**/ #define IS_NULLARY_C() \ ~, 1 BOOST_PP_RPAREN() \ BOOST_PP_TUPLE_EAT(2) BOOST_PP_LPAREN() ~ \ /**/
BOOST_STATIC_ASSERT(IS_NULLARY(())); BOOST_STATIC_ASSERT(IS_NULLARY(()abc)); BOOST_STATIC_ASSERT(!IS_NULLARY(+)); BOOST_STATIC_ASSERT(!IS_NULLARY(xyz));
#define IS_UNARY(x) IS_NULLARY(IS_UNARY_C x) #define IS_UNARY_C(a) ()
BOOST_STATIC_ASSERT(IS_UNARY((a))); BOOST_STATIC_ASSERT(IS_UNARY((a)abc)); BOOST_STATIC_ASSERT(!IS_UNARY(+)); BOOST_STATIC_ASSERT(!IS_UNARY(xyz));
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#line 14 "pp.cpp" 1 BOOST_PP_TUPLE_EAT_2 ( ~ , 0) 1 BOOST_PP_TUPLE_EAT_2 ( ~abc , 0) 0 0 #line 22 1 BOOST_PP_TUPLE_EAT_2 ( ~ , 0) 1 BOOST_PP_TUPLE_EAT_2 ( ~abc , 0) 0 0