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https://github.com/c64scene-ar/llvm-6502.git
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76961 91177308-0d34-0410-b5e6-96231b3b80d8
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
//===- lib/Support/ErrorHandling.cpp - Callbacks for errors -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines an API for error handling, it supersedes cerr+abort(), and
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// cerr+exit() style error handling.
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// Callbacks can be registered for these errors through this API.
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/Twine.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/System/Threading.h"
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#include <cassert>
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#include <cstdlib>
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using namespace llvm;
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using namespace std;
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static llvm_error_handler_t ErrorHandler = 0;
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namespace llvm {
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void llvm_install_error_handler(llvm_error_handler_t handler) {
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assert(!llvm_is_multithreaded() &&
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"Cannot register error handlers after starting multithreaded mode!\n");
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assert(!ErrorHandler && "Error handler already registered!\n");
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ErrorHandler = handler;
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}
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void llvm_remove_error_handler(void) {
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ErrorHandler = 0;
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}
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void llvm_report_error(const char *reason) {
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llvm_report_error(Twine(reason));
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}
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void llvm_report_error(const std::string &reason) {
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llvm_report_error(Twine(reason));
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}
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void llvm_report_error(const Twine &reason) {
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if (!ErrorHandler) {
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errs() << "LLVM ERROR: " << reason << "\n";
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} else {
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ErrorHandler(reason.str());
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}
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exit(1);
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}
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void llvm_unreachable_internal(const char *msg, const char *file,
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unsigned line) {
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if (msg)
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errs() << msg << "\n";
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errs() << "UNREACHABLE executed";
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if (file)
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errs() << " at " << file << ":" << line;
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errs() << "!\n";
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abort();
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}
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}
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