llvm-project/flang/runtime/terminator.cpp

68 lines
2.0 KiB
C++

//===-- runtime/terminate.cpp -----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "terminator.h"
#include <cstdio>
#include <cstdlib>
namespace Fortran::runtime {
[[noreturn]] void Terminator::Crash(const char *message, ...) const {
va_list ap;
va_start(ap, message);
CrashArgs(message, ap);
va_end(ap);
}
static void (*crashHandler)(const char *, int, const char *, va_list &){
nullptr};
void Terminator::RegisterCrashHandler(
void (*handler)(const char *, int, const char *, va_list &)) {
crashHandler = handler;
}
[[noreturn]] void Terminator::CrashArgs(
const char *message, va_list &ap) const {
if (crashHandler) {
crashHandler(sourceFileName_, sourceLine_, message, ap);
}
std::fputs("\nfatal Fortran runtime error", stderr);
if (sourceFileName_) {
std::fprintf(stderr, "(%s", sourceFileName_);
if (sourceLine_) {
std::fprintf(stderr, ":%d", sourceLine_);
}
fputc(')', stderr);
}
std::fputs(": ", stderr);
std::vfprintf(stderr, message, ap);
fputc('\n', stderr);
va_end(ap);
io::FlushOutputOnCrash(*this);
NotifyOtherImagesOfErrorTermination();
std::abort();
}
[[noreturn]] void Terminator::CheckFailed(
const char *predicate, const char *file, int line) const {
Crash("Internal error: RUNTIME_CHECK(%s) failed at %s(%d)", predicate, file,
line);
}
[[noreturn]] void Terminator::CheckFailed(const char *predicate) const {
Crash("Internal error: RUNTIME_CHECK(%s) failed at %s(%d)", predicate,
sourceFileName_, sourceLine_);
}
// TODO: These will be defined in the coarray runtime library
void NotifyOtherImagesOfNormalEnd() {}
void NotifyOtherImagesOfFailImageStatement() {}
void NotifyOtherImagesOfErrorTermination() {}
} // namespace Fortran::runtime