Ruby  3.4.0dev (2024-11-05 revision 348a53415339076afc4a02fcd09f3ae36e9c4c61)
const.h
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1 #ifndef RBIMPL_ATTR_CONST_H /*-*-C++-*-vi:se ft=cpp:*/
2 #define RBIMPL_ATTR_CONST_H
26 
28 #if RBIMPL_HAS_ATTRIBUTE(const)
29 # define RBIMPL_ATTR_CONST() __attribute__((__const__))
30 #elif RBIMPL_HAS_DECLSPEC_ATTRIBUTE(noalias)
31 # /* If a function can be a const, that is also a noalias. */
32 # define RBIMPL_ATTR_CONST() __declspec(noalias)
33 #elif RBIMPL_COMPILER_SINCE(SunPro, 5, 10, 0)
34 # define RBIMPL_ATTR_CONST() _Pragma("no_side_effect")
35 #else
36 # define RBIMPL_ATTR_CONST() /* void */
37 #endif
38 
40 #if !defined(RUBY_DEBUG) || !RUBY_DEBUG
41 # define RBIMPL_ATTR_CONST_UNLESS_DEBUG() RBIMPL_ATTR_CONST()
42 #else
43 # define RBIMPL_ATTR_CONST_UNLESS_DEBUG() /* void */
44 #endif
45 
46 #endif /* RBIMPL_ATTR_CONST_H */
Defines RBIMPL_HAS_ATTRIBUTE.
Defines RBIMPL_COMPILER_SINCE.
Defines RBIMPL_HAS_DECLSPEC_ATTRIBUTE.