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annotate lib/TableGen/Error.cpp @ 3:9ad51c7bc036

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author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Wed, 15 May 2013 06:43:32 +0900
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children 54457678186b
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1 //===- Error.cpp - tblgen error handling helper routines --------*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file contains error handling helper routines to pretty-print diagnostic
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11 // messages from tblgen.
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12 //
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13 //===----------------------------------------------------------------------===//
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14
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15 #include "llvm/TableGen/Error.h"
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16 #include "llvm/ADT/Twine.h"
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17 #include "llvm/Support/raw_ostream.h"
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18 #include <cstdlib>
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19
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20 namespace llvm {
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21
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22 SourceMgr SrcMgr;
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23 unsigned ErrorsPrinted = 0;
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24
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25 static void PrintMessage(ArrayRef<SMLoc> Loc, SourceMgr::DiagKind Kind,
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26 const Twine &Msg) {
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27 // Count the total number of errors printed.
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28 // This is used to exit with an error code if there were any errors.
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29 if (Kind == SourceMgr::DK_Error)
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30 ++ErrorsPrinted;
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31
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32 SMLoc NullLoc;
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33 if (Loc.empty())
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34 Loc = NullLoc;
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35 SrcMgr.PrintMessage(Loc.front(), Kind, Msg);
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36 for (unsigned i = 1; i < Loc.size(); ++i)
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37 SrcMgr.PrintMessage(Loc[i], SourceMgr::DK_Note,
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38 "instantiated from multiclass");
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39 }
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40
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41 void PrintWarning(ArrayRef<SMLoc> WarningLoc, const Twine &Msg) {
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42 PrintMessage(WarningLoc, SourceMgr::DK_Warning, Msg);
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43 }
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45 void PrintWarning(const char *Loc, const Twine &Msg) {
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46 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Warning, Msg);
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47 }
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48
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49 void PrintWarning(const Twine &Msg) {
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50 errs() << "warning:" << Msg << "\n";
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51 }
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52
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53 void PrintError(ArrayRef<SMLoc> ErrorLoc, const Twine &Msg) {
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54 PrintMessage(ErrorLoc, SourceMgr::DK_Error, Msg);
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55 }
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56
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57 void PrintError(const char *Loc, const Twine &Msg) {
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58 SrcMgr.PrintMessage(SMLoc::getFromPointer(Loc), SourceMgr::DK_Error, Msg);
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59 }
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61 void PrintError(const Twine &Msg) {
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62 errs() << "error:" << Msg << "\n";
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63 }
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64
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65 void PrintFatalError(const std::string &Msg) {
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66 PrintError(Twine(Msg));
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67 std::exit(1);
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68 }
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69
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70 void PrintFatalError(ArrayRef<SMLoc> ErrorLoc, const std::string &Msg) {
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71 PrintError(ErrorLoc, Msg);
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72 std::exit(1);
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73 }
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74
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75 } // end namespace llvm