Ruby
3.4.0dev (2024-11-05 revision 348a53415339076afc4a02fcd09f3ae36e9c4c61)
|
Defines RBIMPL_ASSUME / RBIMPL_UNREACHABLE. More...
#include "ruby/internal/config.h"
#include "ruby/internal/cast.h"
#include "ruby/internal/compiler_since.h"
#include "ruby/internal/has/builtin.h"
#include "ruby/internal/warning_push.h"
Go to the source code of this file.
Macros | |
#define | RBIMPL_UNREACHABLE_RETURN(_) __builtin_unreachable() |
Wraps (or simulates) __builtin_unreachable . More... | |
#define | RBIMPL_UNREACHABLE __builtin_unreachable |
Wraps (or simulates) __builtin_unreachable . More... | |
#define | RBIMPL_ASSUME __builtin_assume |
Wraps (or simulates) __assume . More... | |
Defines RBIMPL_ASSUME / RBIMPL_UNREACHABLE.
RBIMPL
or rbimpl
are implementation details. Don't take them as canon. They could rapidly appear then vanish. The name (path) of this header file is also an implementation detail. Do not expect it to persist at the place it is now. Developers are free to move it anywhere anytime at will. __VA_ARGS__
is always available. We assume C99 for ruby itself but we don't assume languages of extension libraries. They could be written in C++98.These macros must be defined at once because:
Definition in file assume.h.
#define RBIMPL_ASSUME __builtin_assume |
#define RBIMPL_UNREACHABLE __builtin_unreachable |