1 //===- Error.cpp - tblgen error handling helper routines --------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file contains error handling helper routines to pretty-print diagnostic 11 // messages from tblgen. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "llvm/TableGen/Error.h" 16 #include "llvm/ADT/Twine.h" 17 #include "llvm/Support/raw_ostream.h" 18 #include <cstdlib> 19 20 namespace llvm { 21 22 SourceMgr SrcMgr; 23 unsigned ErrorsPrinted = 0; 24 25 static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind, 26 const Twine &Msg) { 27 // Count the total number of errors printed. 28 // This is used to exit with an error code if there were any errors. 29 if (Kind == SourceMgr::DK_Error) 30 ++ErrorsPrinted; 31 32 SMLoc NullLoc; 33 if (Loc.empty()) 34 Loc = NullLoc; 35 SrcMgr.PrintMessage(Loc.front(), Kind, Msg); 36 for (unsigned i = 1; i < Loc.size(); ++i) 37 SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note, 38 "instantiated from multiclass"); 39 } 40 41 void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) { 42 PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg); 43 } 44 45 void PrintWarning(const char *Loc, const Twine &Msg) { 46 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Warning, Msg); 47 } 48 49 void PrintWarning(const Twine &Msg) { 50 errs() << "warning:" << Msg << "\n"; 51 } 52 53 void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) { 54 PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg); 55 } 56 57 void PrintError(const char *Loc, const Twine &Msg) { 58 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg); 59 } 60 61 void PrintError(const Twine &Msg) { 62 errs() << "error:" << Msg << "\n"; 63 } 64 65 void PrintFatalError(const std::string &Msg) { 66 PrintError(Twine(Msg)); 67 std::exit(1); 68 } 69 70 void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const std::string &Msg) { 71 PrintError(ErrorLoc, Msg); 72 std::exit(1); 73 } 74 75 } // end namespace llvm 76
