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include/ruby/defines.h: add doxygen

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The only thing that remains in this file which is still worth
documenting is the RUBY macro.  Everything else were split into many
files in
1ff4cee2b1

[ci skip]
This commit is contained in:
卜部昌平 2021-08-08 15:24:44 +09:00
parent 6e8e2b467b
commit 1563526edf
Notes: git 2021-09-10 20:01:07 +09:00
1 changed files with 9 additions and 1 deletions
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10
include/ruby/defines.h
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@ -78,16 +78,24 @@
#include "ruby/internal/dosish.h"
#include "ruby/missing.h"
/**
* Asserts that the compilation unit includes Ruby's CAPI. This has been here
* since the very beginning (at least since version 0.49).
*/
#define RUBY
#ifdef __GNUC__
# /** This is expanded to nothing for non-GCC compilers. */
# define RB_GNUC_EXTENSION __extension__
# /** This is expanded to the passed token for non-GCC compilers. */
# define RB_GNUC_EXTENSION_BLOCK(x) __extension__ ({ x; })
#else
# define RB_GNUC_EXTENSION
# define RB_GNUC_EXTENSION_BLOCK(x) (x)
#endif
/** @cond INTERNAL_MACRO */
/* :FIXME: Can someone tell us why is this macro defined here? @shyouhei
* thinks this is a truly internal macro but cannot move around because he
* doesn't understand the reason of this arrangement. */
@ -104,5 +112,5 @@ RBIMPL_SYMBOL_EXPORT_END()
#else
# define FLUSH_REGISTER_WINDOWS ((void)0)
#endif
/** @endcond */
#endif /* RUBY_DEFINES_H */