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/Signals.h" 18 #include "llvm/Support/WithColor.h" 19 #include "llvm/Support/raw_ostream.h" 20 #include <cstdlib> 21 22 namespace llvm { 23 24 SourceMgr SrcMgr; 25 unsigned ErrorsPrinted = 0; 26 27 static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind, 28 const Twine &Msg) { 29 // Count the total number of errors printed. 30 // This is used to exit with an error code if there were any errors. 31 if (Kind == SourceMgr::DK_Error) 32 ++ErrorsPrinted; 33 34 SMLoc NullLoc; 35 if (Loc.empty()) 36 Loc = NullLoc; 37 SrcMgr.PrintMessage(Loc.front(), Kind, Msg); 38 for (unsigned i = 1; i < Loc.size(); ++i) 39 SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note, 40 "instantiated from multiclass"); 41 } 42 43 void PrintNote(ArrayRef<SMLoc> NoteLoc, const Twine &Msg) { 44 PrintMessage(NoteLoc, SourceMgr::DK_Note, Msg); 45 } 46 47 void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) { 48 PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg); 49 } 50 51 void PrintWarning(const char *Loc, const Twine &Msg) { 52 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Warning, Msg); 53 } 54 55 void PrintWarning(const Twine &Msg) { WithColor::warning() << Msg << "\n"; } 56 57 void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) { 58 PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg); 59 } 60 61 void PrintError(const char *Loc, const Twine &Msg) { 62 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg); 63 } 64 65 void PrintError(const Twine &Msg) { WithColor::error() << Msg << "\n"; } 66 67 void PrintFatalError(const Twine &Msg) { 68 PrintError(Msg); 69 // The following call runs the file cleanup handlers. 70 sys::RunInterruptHandlers(); 71 std::exit(1); 72 } 73 74 void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) { 75 PrintError(ErrorLoc, Msg); 76 // The following call runs the file cleanup handlers. 77 sys::RunInterruptHandlers(); 78 std::exit(1); 79 } 80 81 } // end namespace llvm 82