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1 //===-- Twine.cpp - Fast Temporary String Concatenation -------------------===//
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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2 //
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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3 // The LLVM Compiler Infrastructure
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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4 //
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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5 // This file is distributed under the University of Illinois Open Source
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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6 // License. See LICENSE.TXT for details.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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7 //
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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8 //===----------------------------------------------------------------------===//
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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9
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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10 #include "llvm/ADT/Twine.h"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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11 #include "llvm/ADT/SmallString.h"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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12 #include "llvm/Support/Debug.h"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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13 #include "llvm/Support/raw_ostream.h"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 using namespace llvm;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16 std::string Twine::str() const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 // If we're storing only a std::string, just return it.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 if (LHSKind == StdStringKind && RHSKind == EmptyKind)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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19 return *LHS.stdString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21 // Otherwise, flatten and copy the contents first.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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22 SmallString<256> Vec;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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23 return toStringRef(Vec).str();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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24 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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25
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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26 void Twine::toVector(SmallVectorImpl<char> &Out) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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27 raw_svector_ostream OS(Out);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 print(OS);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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30
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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31 StringRef Twine::toNullTerminatedStringRef(SmallVectorImpl<char> &Out) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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32 if (isUnary()) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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33 switch (getLHSKind()) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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34 case CStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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35 // Already null terminated, yay!
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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36 return StringRef(LHS.cString);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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37 case StdStringKind: {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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38 const std::string *str = LHS.stdString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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39 return StringRef(str->c_str(), str->size());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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40 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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41 default:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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42 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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43 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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44 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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45 toVector(Out);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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46 Out.push_back(0);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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47 Out.pop_back();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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48 return StringRef(Out.data(), Out.size());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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49 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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50
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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51 void Twine::printOneChild(raw_ostream &OS, Child Ptr,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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52 NodeKind Kind) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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53 switch (Kind) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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54 case Twine::NullKind: break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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55 case Twine::EmptyKind: break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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56 case Twine::TwineKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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57 Ptr.twine->print(OS);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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58 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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59 case Twine::CStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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60 OS << Ptr.cString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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61 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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62 case Twine::StdStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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63 OS << *Ptr.stdString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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64 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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65 case Twine::StringRefKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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66 OS << *Ptr.stringRef;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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67 break;
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95
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68 case Twine::SmallStringKind:
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69 OS << *Ptr.smallString;
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70 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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71 case Twine::CharKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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72 OS << Ptr.character;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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73 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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74 case Twine::DecUIKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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75 OS << Ptr.decUI;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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76 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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77 case Twine::DecIKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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78 OS << Ptr.decI;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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79 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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80 case Twine::DecULKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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81 OS << *Ptr.decUL;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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82 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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83 case Twine::DecLKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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84 OS << *Ptr.decL;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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85 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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86 case Twine::DecULLKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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87 OS << *Ptr.decULL;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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88 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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89 case Twine::DecLLKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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90 OS << *Ptr.decLL;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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91 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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92 case Twine::UHexKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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93 OS.write_hex(*Ptr.uHex);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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94 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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95 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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96 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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97
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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98 void Twine::printOneChildRepr(raw_ostream &OS, Child Ptr,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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99 NodeKind Kind) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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100 switch (Kind) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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101 case Twine::NullKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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102 OS << "null"; break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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103 case Twine::EmptyKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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104 OS << "empty"; break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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105 case Twine::TwineKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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106 OS << "rope:";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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107 Ptr.twine->printRepr(OS);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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108 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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109 case Twine::CStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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110 OS << "cstring:\""
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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111 << Ptr.cString << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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112 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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113 case Twine::StdStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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114 OS << "std::string:\""
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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115 << Ptr.stdString << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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116 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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117 case Twine::StringRefKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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118 OS << "stringref:\""
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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119 << Ptr.stringRef << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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120 break;
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95
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121 case Twine::SmallStringKind:
|
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122 OS << "smallstring:\"" << *Ptr.smallString << "\"";
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123 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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124 case Twine::CharKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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125 OS << "char:\"" << Ptr.character << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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126 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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127 case Twine::DecUIKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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128 OS << "decUI:\"" << Ptr.decUI << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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129 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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130 case Twine::DecIKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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131 OS << "decI:\"" << Ptr.decI << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
132 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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133 case Twine::DecULKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
134 OS << "decUL:\"" << *Ptr.decUL << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
135 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
136 case Twine::DecLKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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137 OS << "decL:\"" << *Ptr.decL << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
138 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
139 case Twine::DecULLKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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140 OS << "decULL:\"" << *Ptr.decULL << "\"";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
141 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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142 case Twine::DecLLKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
143 OS << "decLL:\"" << *Ptr.decLL << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
144 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
145 case Twine::UHexKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
146 OS << "uhex:\"" << Ptr.uHex << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
147 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
148 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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149 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
150
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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151 void Twine::print(raw_ostream &OS) const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
152 printOneChild(OS, LHS, getLHSKind());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
153 printOneChild(OS, RHS, getRHSKind());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
154 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
155
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
156 void Twine::printRepr(raw_ostream &OS) const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
157 OS << "(Twine ";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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158 printOneChildRepr(OS, LHS, getLHSKind());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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159 OS << " ";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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160 printOneChildRepr(OS, RHS, getRHSKind());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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161 OS << ")";
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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162 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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163
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120
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164 LLVM_DUMP_METHOD void Twine::dump() const {
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165 print(dbgs());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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166 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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167
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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168 void Twine::dumpRepr() const {
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169 printRepr(dbgs());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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170 }
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