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1 //===-- Twine.cpp - Fast Temporary String Concatenation -------------------===//
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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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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121
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13 #include "llvm/Support/FormatVariadic.h"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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14 #include "llvm/Support/raw_ostream.h"
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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15 using namespace llvm;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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16
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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17 std::string Twine::str() const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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18 // 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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19 if (LHSKind == StdStringKind && RHSKind == EmptyKind)
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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20 return *LHS.stdString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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21
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121
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22 // If we're storing a formatv_object, we can avoid an extra copy by formatting
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23 // it immediately and returning the result.
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24 if (LHSKind == FormatvObjectKind && RHSKind == EmptyKind)
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25 return LHS.formatvObject->str();
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26
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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27 // Otherwise, flatten and copy the contents first.
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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28 SmallString<256> Vec;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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29 return toStringRef(Vec).str();
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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
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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32 void Twine::toVector(SmallVectorImpl<char> &Out) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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33 raw_svector_ostream OS(Out);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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34 print(OS);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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35 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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36
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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37 StringRef Twine::toNullTerminatedStringRef(SmallVectorImpl<char> &Out) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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38 if (isUnary()) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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39 switch (getLHSKind()) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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40 case CStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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41 // Already null terminated, yay!
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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42 return StringRef(LHS.cString);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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43 case StdStringKind: {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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44 const std::string *str = LHS.stdString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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45 return StringRef(str->c_str(), str->size());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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46 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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47 default:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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48 break;
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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 toVector(Out);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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52 Out.push_back(0);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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53 Out.pop_back();
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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54 return StringRef(Out.data(), Out.size());
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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55 }
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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56
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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57 void Twine::printOneChild(raw_ostream &OS, Child Ptr,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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58 NodeKind Kind) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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59 switch (Kind) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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60 case Twine::NullKind: break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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61 case Twine::EmptyKind: break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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62 case Twine::TwineKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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63 Ptr.twine->print(OS);
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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::CStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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66 OS << Ptr.cString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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67 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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68 case Twine::StdStringKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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69 OS << *Ptr.stdString;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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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::StringRefKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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72 OS << *Ptr.stringRef;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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73 break;
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95
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74 case Twine::SmallStringKind:
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75 OS << *Ptr.smallString;
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76 break;
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121
|
77 case Twine::FormatvObjectKind:
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78 OS << *Ptr.formatvObject;
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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::CharKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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81 OS << Ptr.character;
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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::DecUIKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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84 OS << Ptr.decUI;
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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::DecIKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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87 OS << Ptr.decI;
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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::DecULKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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90 OS << *Ptr.decUL;
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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::DecLKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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93 OS << *Ptr.decL;
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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 case Twine::DecULLKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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96 OS << *Ptr.decULL;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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97 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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98 case Twine::DecLLKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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99 OS << *Ptr.decLL;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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100 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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101 case Twine::UHexKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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102 OS.write_hex(*Ptr.uHex);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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103 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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104 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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105 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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106
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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107 void Twine::printOneChildRepr(raw_ostream &OS, Child Ptr,
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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108 NodeKind Kind) const {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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109 switch (Kind) {
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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110 case Twine::NullKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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111 OS << "null"; break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
112 case Twine::EmptyKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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113 OS << "empty"; break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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114 case Twine::TwineKind:
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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115 OS << "rope:";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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116 Ptr.twine->printRepr(OS);
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
117 break;
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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118 case Twine::CStringKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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119 OS << "cstring:\""
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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120 << Ptr.cString << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
121 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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122 case Twine::StdStringKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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123 OS << "std::string:\""
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
124 << Ptr.stdString << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
125 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
126 case Twine::StringRefKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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127 OS << "stringref:\""
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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|
128 << Ptr.stringRef << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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129 break;
|
95
|
130 case Twine::SmallStringKind:
|
|
131 OS << "smallstring:\"" << *Ptr.smallString << "\"";
|
|
132 break;
|
121
|
133 case Twine::FormatvObjectKind:
|
|
134 OS << "formatv:\"" << *Ptr.formatvObject << "\"";
|
|
135 break;
|
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Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
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136 case Twine::CharKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
137 OS << "char:\"" << Ptr.character << "\"";
|
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::DecUIKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
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|
140 OS << "decUI:\"" << Ptr.decUI << "\"";
|
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::DecIKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
143 OS << "decI:\"" << Ptr.decI << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
144 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
145 case Twine::DecULKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
146 OS << "decUL:\"" << *Ptr.decUL << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
147 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
148 case Twine::DecLKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
149 OS << "decL:\"" << *Ptr.decL << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
150 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
151 case Twine::DecULLKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
152 OS << "decULL:\"" << *Ptr.decULL << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
153 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
154 case Twine::DecLLKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
155 OS << "decLL:\"" << *Ptr.decLL << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
156 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
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|
157 case Twine::UHexKind:
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
158 OS << "uhex:\"" << Ptr.uHex << "\"";
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
159 break;
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
160 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
161 }
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
162
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
163 void Twine::print(raw_ostream &OS) const {
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
164 printOneChild(OS, LHS, getLHSKind());
|
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff
changeset
|
165 printOneChild(OS, RHS, getRHSKind());
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166 }
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167
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168 void Twine::printRepr(raw_ostream &OS) const {
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169 OS << "(Twine ";
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170 printOneChildRepr(OS, LHS, getLHSKind());
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171 OS << " ";
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172 printOneChildRepr(OS, RHS, getRHSKind());
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173 OS << ")";
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174 }
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175
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121
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176 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
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120
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177 LLVM_DUMP_METHOD void Twine::dump() const {
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77
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178 print(dbgs());
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179 }
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180
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121
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181 LLVM_DUMP_METHOD void Twine::dumpRepr() const {
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182 printRepr(dbgs());
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183 }
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121
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184 #endif
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