llvm-mirror/lib/TableGen/Error.cpp
Jakob Stoklund Olesen 5e8ed26fe2 Make sure TableGen exits with an error code after printing errors.
This makes it possible to report multiple errors in one invocation.
There are already calls to PrintError in CodeGenDAGPatterns.cpp which
previously would not cause TableGen to fail.

<rdar://problem/13463339>

llvm-svn: 177573
2013-03-20 20:43:11 +00:00

76 lines
2.1 KiB
C++

//===- Error.cpp - tblgen error handling helper routines --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains error handling helper routines to pretty-print diagnostic
// messages from tblgen.
//
//===----------------------------------------------------------------------===//
#include "llvm/TableGen/Error.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Support/raw_ostream.h"
#include <cstdlib>
namespace llvm {
SourceMgr SrcMgr;
unsigned ErrorsPrinted = 0;
static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind,
const Twine &Msg) {
// Count the total number of errors printed.
// This is used to exit with an error code if there were any errors.
if (Kind == SourceMgr::DK_Error)
++ErrorsPrinted;
SMLoc NullLoc;
if (Loc.empty())
Loc = NullLoc;
SrcMgr.PrintMessage(Loc.front(), Kind, Msg);
for (unsigned i = 1; i < Loc.size(); ++i)
SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note,
"instantiated from multiclass");
}
void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) {
PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg);
}
void PrintWarning(const char *Loc, const Twine &Msg) {
SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Warning, Msg);
}
void PrintWarning(const Twine &Msg) {
errs() << "warning:" << Msg << "\n";
}
void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg);
}
void PrintError(const char *Loc, const Twine &Msg) {
SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg);
}
void PrintError(const Twine &Msg) {
errs() << "error:" << Msg << "\n";
}
void PrintFatalError(const std::string &Msg) {
PrintError(Twine(Msg));
std::exit(1);
}
void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const std::string &Msg) {
PrintError(ErrorLoc, Msg);
std::exit(1);
}
} // end namespace llvm