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PREPROCESSOR -> PP. WHILE documented.

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[SVN r12162]
This commit is contained in:
Vesa Karvonen
2001-12-28 11:06:53 +00:00
parent 5991b00456
commit d8b52a3a42
90 changed files with 3441 additions and 1889 deletions
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17
include/boost/preprocessor/stringize.hpp
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@ -23,7 +23,7 @@ Example:
<PRE>\verbatim
#define NOTE(STR)\
message(__FILE__ "(" BOOST_PREPROCESSOR_STRINGIZE(__LINE__) ") : " STR)
message(__FILE__ "(" BOOST_PP_STRINGIZE(__LINE__) ") : " STR)
// ...
@ -36,17 +36,20 @@ The above expands to:
#pragma message("examples.cpp" "(" "20" ") : " "TBD!")
\endverbatim</PRE>
The use of BOOST_PREPROCESSOR_STRINGIZE() above lets the preprocessor expand
the __LINE__ before stringizing it. If # would be used directly, the code
would expand to:
The use of BOOST_PP_STRINGIZE() above lets the PP expand the __LINE__
before stringizing it. If # would be used directly, the code would
expand to:
<PRE>\verbatim
#pragma message("examples.cpp" "(" "__LINE__" ") : " "TBD!")
\endverbatim</PRE>
*/
#define BOOST_PREPROCESSOR_STRINGIZE(E) BOOST_PREPROCESSOR_STRINGIZE_DELAY(E)
#define BOOST_PP_STRINGIZE(E) BOOST_PP_STRINGIZE_DELAY(E)
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define BOOST_PREPROCESSOR_STRINGIZE_DELAY(E) #E
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
#define BOOST_PP_STRINGIZE_DELAY(E) #E
#endif
//! Obsolete. Use BOOST_PP_STRINGIZE().
#define BOOST_PREPROCESSOR_STRINGIZE(E) BOOST_PP_STRINGIZE(E)
#endif