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