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1 //===- Error.cpp - tblgen error handling helper routines --------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file contains error handling helper routines to pretty-print diagnostic
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10 // messages from tblgen.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "llvm/TableGen/Error.h"
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15 #include "llvm/ADT/Twine.h"
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16 #include "llvm/Support/Signals.h"
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17 #include "llvm/Support/WithColor.h"
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18 #include "llvm/Support/raw_ostream.h"
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19 #include <cstdlib>
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20
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21 namespace llvm {
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22
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23 SourceMgr SrcMgr;
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24 unsigned ErrorsPrinted = 0;
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25
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26 static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind,
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27 const Twine &Msg) {
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28 // Count the total number of errors printed.
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29 // This is used to exit with an error code if there were any errors.
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30 if (Kind == SourceMgr::DK_Error)
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31 ++ErrorsPrinted;
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32
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33 SMLoc NullLoc;
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34 if (Loc.empty())
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35 Loc = NullLoc;
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36 SrcMgr.PrintMessage(Loc.front(), Kind, Msg);
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37 for (unsigned i = 1; i < Loc.size(); ++i)
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38 SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note,
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39 "instantiated from multiclass");
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40 }
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41
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42 void PrintNote(const Twine &Msg) { WithColor::note() << Msg << "\n"; }
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43
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44 void PrintNote(ArrayRef<SMLoc> NoteLoc, const Twine &Msg) {
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45 PrintMessage(NoteLoc, SourceMgr::DK_Note, Msg);
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46 }
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47
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48 void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) {
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49 PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg);
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50 }
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51
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52 void PrintWarning(const char *Loc, const Twine &Msg) {
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53 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Warning, Msg);
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54 }
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55
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56 void PrintWarning(const Twine &Msg) { WithColor::warning() << Msg << "\n"; }
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57
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58 void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
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59 PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg);
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60 }
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61
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62 void PrintError(const char *Loc, const Twine &Msg) {
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63 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg);
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64 }
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65
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66 void PrintError(const Twine &Msg) { WithColor::error() << Msg << "\n"; }
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67
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68 void PrintFatalError(const Twine &Msg) {
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69 PrintError(Msg);
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70 // The following call runs the file cleanup handlers.
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71 sys::RunInterruptHandlers();
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72 std::exit(1);
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73 }
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74
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75 void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
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76 PrintError(ErrorLoc, Msg);
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77 // The following call runs the file cleanup handlers.
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78 sys::RunInterruptHandlers();
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79 std::exit(1);
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80 }
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81
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82 } // end namespace llvm
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