#ifndef LLVM_SUPPORT_ERRORHANDLING_H
#define LLVM_SUPPORT_ERRORHANDLING_H
+#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Compiler.h"
#include <string>
namespace llvm {
- class StringRef;
class Twine;
/// An error handler callback.
/// install_fatal_error_handler - Installs a new error handler to be used
/// whenever a serious (non-recoverable) error is encountered by LLVM.
///
- /// If you are using llvm_start_multithreaded, you should register the handler
- /// before doing that.
- ///
/// If no error handler is installed the default is to print the error message
/// to stderr, and call exit(1). If an error handler is installed then it is
/// the handler's responsibility to log the message, it will no longer be
/// \param user_data - An argument which will be passed to the install error
/// handler.
void install_fatal_error_handler(fatal_error_handler_t handler,
- void *user_data = 0);
+ void *user_data = nullptr);
/// Restores default error handling behaviour.
- /// This must not be called between llvm_start_multithreaded() and
- /// llvm_stop_multithreaded().
void remove_fatal_error_handler();
/// ScopedFatalErrorHandler - This is a simple helper class which just
/// remove_fatal_error_handler in its destructor.
struct ScopedFatalErrorHandler {
explicit ScopedFatalErrorHandler(fatal_error_handler_t handler,
- void *user_data = 0) {
+ void *user_data = nullptr) {
install_fatal_error_handler(handler, user_data);
}
bool gen_crash_diag = true);
LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const std::string &reason,
bool gen_crash_diag = true);
- LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const StringRef &reason,
+ LLVM_ATTRIBUTE_NORETURN void report_fatal_error(StringRef reason,
bool gen_crash_diag = true);
LLVM_ATTRIBUTE_NORETURN void report_fatal_error(const Twine &reason,
bool gen_crash_diag = true);
/// This function calls abort(), and prints the optional message to stderr.
/// Use the llvm_unreachable macro (that adds location info), instead of
/// calling this function directly.
- LLVM_ATTRIBUTE_NORETURN void llvm_unreachable_internal(const char *msg=0,
- const char *file=0,
- unsigned line=0);
+ LLVM_ATTRIBUTE_NORETURN void
+ llvm_unreachable_internal(const char *msg=nullptr, const char *file=nullptr,
+ unsigned line=0);
}
/// Marks that the current location is not supposed to be reachable.
#define llvm_unreachable(msg) ::llvm::llvm_unreachable_internal()
#endif
-/// An assert macro that's usable in constexprs and that becomes an optimizer
-/// hint in NDEBUG builds.
-///
-/// Unlike \c assert() the \param test expression may be evaluated in optimized
-/// builds and so should be simple, accurate and never have side effects.
-#define llvm_expect(test) (void)(!!(test) ? 0 : (llvm_unreachable(#test), 0))
-
-// TODO: Update other headers to explicitly include StringRef.h and drop this.
-#include "llvm/ADT/StringRef.h"
-
#endif