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annotate tools/clang/lib/Tooling/CompilationDatabase.cpp @ 61:7f1f0f7e0569

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remove createArrayDecl
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Sun, 02 Feb 2014 17:54:49 +0900
parents e4204d083e25
children 54457678186b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 //===--- CompilationDatabase.cpp - ----------------------------------------===//
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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 implementations of the CompilationDatabase base class
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11 // and the FixedCompilationDatabase.
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12 //
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13 //===----------------------------------------------------------------------===//
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14
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15 #include "clang/Tooling/CompilationDatabase.h"
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16 #include "clang/Tooling/CompilationDatabasePluginRegistry.h"
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17 #include "clang/Tooling/Tooling.h"
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18 #include "llvm/ADT/SmallString.h"
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19 #include "llvm/Support/Path.h"
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20 #include "llvm/Support/system_error.h"
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21 #include <sstream>
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22
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23 #include "clang/Basic/Diagnostic.h"
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24 #include "clang/Driver/Action.h"
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25 #include "clang/Driver/Driver.h"
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26 #include "clang/Driver/DriverDiagnostic.h"
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27 #include "clang/Driver/Job.h"
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28 #include "clang/Driver/Compilation.h"
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29 #include "clang/Frontend/TextDiagnosticPrinter.h"
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30 #include "llvm/Support/Host.h"
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31 #include "llvm/Option/Arg.h"
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32
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33 namespace clang {
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34 namespace tooling {
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35
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36 CompilationDatabase::~CompilationDatabase() {}
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37
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38 CompilationDatabase *
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39 CompilationDatabase::loadFromDirectory(StringRef BuildDirectory,
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40 std::string &ErrorMessage) {
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41 std::stringstream ErrorStream;
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42 for (CompilationDatabasePluginRegistry::iterator
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43 It = CompilationDatabasePluginRegistry::begin(),
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44 Ie = CompilationDatabasePluginRegistry::end();
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45 It != Ie; ++It) {
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46 std::string DatabaseErrorMessage;
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47 OwningPtr<CompilationDatabasePlugin> Plugin(It->instantiate());
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48 if (CompilationDatabase *DB =
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49 Plugin->loadFromDirectory(BuildDirectory, DatabaseErrorMessage))
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50 return DB;
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51 else
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52 ErrorStream << It->getName() << ": " << DatabaseErrorMessage << "\n";
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53 }
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54 ErrorMessage = ErrorStream.str();
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55 return NULL;
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56 }
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57
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58 static CompilationDatabase *
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59 findCompilationDatabaseFromDirectory(StringRef Directory,
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60 std::string &ErrorMessage) {
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61 std::stringstream ErrorStream;
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62 bool HasErrorMessage = false;
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63 while (!Directory.empty()) {
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64 std::string LoadErrorMessage;
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65
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66 if (CompilationDatabase *DB =
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67 CompilationDatabase::loadFromDirectory(Directory, LoadErrorMessage))
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68 return DB;
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69
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70 if (!HasErrorMessage) {
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71 ErrorStream << "No compilation database found in " << Directory.str()
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72 << " or any parent directory\n" << LoadErrorMessage;
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73 HasErrorMessage = true;
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74 }
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75
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76 Directory = llvm::sys::path::parent_path(Directory);
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77 }
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78 ErrorMessage = ErrorStream.str();
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79 return NULL;
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80 }
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81
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82 CompilationDatabase *
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83 CompilationDatabase::autoDetectFromSource(StringRef SourceFile,
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84 std::string &ErrorMessage) {
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85 SmallString<1024> AbsolutePath(getAbsolutePath(SourceFile));
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86 StringRef Directory = llvm::sys::path::parent_path(AbsolutePath);
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87
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88 CompilationDatabase *DB = findCompilationDatabaseFromDirectory(Directory,
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89 ErrorMessage);
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90
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91 if (!DB)
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92 ErrorMessage = ("Could not auto-detect compilation database for file \"" +
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93 SourceFile + "\"\n" + ErrorMessage).str();
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94 return DB;
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95 }
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96
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97 CompilationDatabase *
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98 CompilationDatabase::autoDetectFromDirectory(StringRef SourceDir,
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99 std::string &ErrorMessage) {
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100 SmallString<1024> AbsolutePath(getAbsolutePath(SourceDir));
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101
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102 CompilationDatabase *DB = findCompilationDatabaseFromDirectory(AbsolutePath,
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103 ErrorMessage);
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104
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105 if (!DB)
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106 ErrorMessage = ("Could not auto-detect compilation database from directory \"" +
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107 SourceDir + "\"\n" + ErrorMessage).str();
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108 return DB;
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109 }
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110
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111 CompilationDatabasePlugin::~CompilationDatabasePlugin() {}
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112
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113 // Helper for recursively searching through a chain of actions and collecting
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114 // all inputs, direct and indirect, of compile jobs.
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115 struct CompileJobAnalyzer {
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116 void run(const driver::Action *A) {
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117 runImpl(A, false);
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118 }
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119
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120 SmallVector<std::string, 2> Inputs;
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121
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122 private:
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123
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124 void runImpl(const driver::Action *A, bool Collect) {
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125 bool CollectChildren = Collect;
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126 switch (A->getKind()) {
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127 case driver::Action::CompileJobClass:
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128 CollectChildren = true;
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129 break;
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130
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131 case driver::Action::InputClass: {
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132 if (Collect) {
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133 const driver::InputAction *IA = cast<driver::InputAction>(A);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
134 Inputs.push_back(IA->getInputArg().getSpelling());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
135 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
136 } break;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
137
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
138 default:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
139 // Don't care about others
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
140 ;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
141 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
142
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
143 for (driver::ActionList::const_iterator I = A->begin(), E = A->end();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
144 I != E; ++I)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
145 runImpl(*I, CollectChildren);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
146 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
147 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
148
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
149 // Special DiagnosticConsumer that looks for warn_drv_input_file_unused
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
150 // diagnostics from the driver and collects the option strings for those unused
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
151 // options.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
152 class UnusedInputDiagConsumer : public DiagnosticConsumer {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
153 public:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
154 UnusedInputDiagConsumer() : Other(0) {}
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
155
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
156 // Useful for debugging, chain diagnostics to another consumer after
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
157 // recording for our own purposes.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
158 UnusedInputDiagConsumer(DiagnosticConsumer *Other) : Other(Other) {}
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
159
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
160 virtual void HandleDiagnostic(DiagnosticsEngine::Level DiagLevel,
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
161 const Diagnostic &Info) LLVM_OVERRIDE {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
162 if (Info.getID() == clang::diag::warn_drv_input_file_unused) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
163 // Arg 1 for this diagnostic is the option that didn't get used.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
164 UnusedInputs.push_back(Info.getArgStdStr(0));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
165 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
166 if (Other)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
167 Other->HandleDiagnostic(DiagLevel, Info);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
168 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
169
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
170 DiagnosticConsumer *Other;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
171 SmallVector<std::string, 2> UnusedInputs;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
172 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
173
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
174 // Unary functor for asking "Given a StringRef S1, does there exist a string
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
175 // S2 in Arr where S1 == S2?"
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
176 struct MatchesAny {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
177 MatchesAny(ArrayRef<std::string> Arr) : Arr(Arr) {}
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
178 bool operator() (StringRef S) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
179 for (const std::string *I = Arr.begin(), *E = Arr.end(); I != E; ++I)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
180 if (*I == S)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
181 return true;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
182 return false;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
183 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
184 private:
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
185 ArrayRef<std::string> Arr;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
186 };
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
187
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
188 /// \brief Strips any positional args and possible argv[0] from a command-line
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
189 /// provided by the user to construct a FixedCompilationDatabase.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
190 ///
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
191 /// FixedCompilationDatabase requires a command line to be in this format as it
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
192 /// constructs the command line for each file by appending the name of the file
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
193 /// to be compiled. FixedCompilationDatabase also adds its own argv[0] to the
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
194 /// start of the command line although its value is not important as it's just
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
195 /// ignored by the Driver invoked by the ClangTool using the
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
196 /// FixedCompilationDatabase.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
197 ///
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
198 /// FIXME: This functionality should probably be made available by
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
199 /// clang::driver::Driver although what the interface should look like is not
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
200 /// clear.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
201 ///
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
202 /// \param[in] Args Args as provided by the user.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
203 /// \return Resulting stripped command line.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
204 /// \li true if successful.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
205 /// \li false if \c Args cannot be used for compilation jobs (e.g.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
206 /// contains an option like -E or -version).
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
207 bool stripPositionalArgs(std::vector<const char *> Args,
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
208 std::vector<std::string> &Result) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
209 IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
210 UnusedInputDiagConsumer DiagClient;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
211 DiagnosticsEngine Diagnostics(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
212 IntrusiveRefCntPtr<clang::DiagnosticIDs>(new DiagnosticIDs()),
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
213 &*DiagOpts, &DiagClient, false);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
214
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
215 // Neither clang executable nor default image name are required since the
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
216 // jobs the driver builds will not be executed.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
217 OwningPtr<driver::Driver> NewDriver(new driver::Driver(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
218 /* ClangExecutable= */ "", llvm::sys::getDefaultTargetTriple(),
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
219 /* DefaultImageName= */ "", Diagnostics));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
220 NewDriver->setCheckInputsExist(false);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
221
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
222 // This becomes the new argv[0]. The value is actually not important as it
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
223 // isn't used for invoking Tools.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
224 Args.insert(Args.begin(), "clang-tool");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
225
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
226 // By adding -c, we force the driver to treat compilation as the last phase.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
227 // It will then issue warnings via Diagnostics about un-used options that
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
228 // would have been used for linking. If the user provided a compiler name as
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
229 // the original argv[0], this will be treated as a linker input thanks to
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
230 // insertng a new argv[0] above. All un-used options get collected by
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
231 // UnusedInputdiagConsumer and get stripped out later.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
232 Args.push_back("-c");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
233
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
234 // Put a dummy C++ file on to ensure there's at least one compile job for the
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
235 // driver to construct. If the user specified some other argument that
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
236 // prevents compilation, e.g. -E or something like -version, we may still end
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
237 // up with no jobs but then this is the user's fault.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
238 Args.push_back("placeholder.cpp");
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
239
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
240 const OwningPtr<driver::Compilation> Compilation(
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
241 NewDriver->BuildCompilation(Args));
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
242
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
243 const driver::JobList &Jobs = Compilation->getJobs();
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
244
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
245 CompileJobAnalyzer CompileAnalyzer;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
246
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
247 for (driver::JobList::const_iterator I = Jobs.begin(), E = Jobs.end(); I != E;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
248 ++I) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
249 if ((*I)->getKind() == driver::Job::CommandClass) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
250 const driver::Command *Cmd = cast<driver::Command>(*I);
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
251 // Collect only for Assemble jobs. If we do all jobs we get duplicates
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
252 // since Link jobs point to Assemble jobs as inputs.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
253 if (Cmd->getSource().getKind() == driver::Action::AssembleJobClass)
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
254 CompileAnalyzer.run(&Cmd->getSource());
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
255 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
256 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
257
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
258 if (CompileAnalyzer.Inputs.empty()) {
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
259 // No compile jobs found.
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
260 // FIXME: Emit a warning of some kind?
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
261 return false;
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
262 }
95c75e76d11b LLVM 3.4
Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
parents:
diff changeset
263
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264 // Remove all compilation input files from the command line. This is
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265 // necessary so that getCompileCommands() can construct a command line for
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266 // each file.
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267 std::vector<const char *>::iterator End = std::remove_if(
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268 Args.begin(), Args.end(), MatchesAny(CompileAnalyzer.Inputs));
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269
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270 // Remove all inputs deemed unused for compilation.
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271 End = std::remove_if(Args.begin(), End, MatchesAny(DiagClient.UnusedInputs));
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272
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273 // Remove the -c add above as well. It will be at the end right now.
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274 assert(strcmp(*(End - 1), "-c") == 0);
0
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275 --End;
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276
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277 Result = std::vector<std::string>(Args.begin() + 1, End);
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278 return true;
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279 }
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280
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281 FixedCompilationDatabase *
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282 FixedCompilationDatabase::loadFromCommandLine(int &Argc,
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283 const char **Argv,
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284 Twine Directory) {
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285 const char **DoubleDash = std::find(Argv, Argv + Argc, StringRef("--"));
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286 if (DoubleDash == Argv + Argc)
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287 return NULL;
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288 std::vector<const char *> CommandLine(DoubleDash + 1, Argv + Argc);
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289 Argc = DoubleDash - Argv;
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290
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291 std::vector<std::string> StrippedArgs;
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292 if (!stripPositionalArgs(CommandLine, StrippedArgs))
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293 return 0;
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294 return new FixedCompilationDatabase(Directory, StrippedArgs);
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295 }
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296
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297 FixedCompilationDatabase::
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298 FixedCompilationDatabase(Twine Directory, ArrayRef<std::string> CommandLine) {
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299 std::vector<std::string> ToolCommandLine(1, "clang-tool");
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300 ToolCommandLine.insert(ToolCommandLine.end(),
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301 CommandLine.begin(), CommandLine.end());
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302 CompileCommands.push_back(CompileCommand(Directory, ToolCommandLine));
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303 }
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304
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305 std::vector<CompileCommand>
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306 FixedCompilationDatabase::getCompileCommands(StringRef FilePath) const {
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307 std::vector<CompileCommand> Result(CompileCommands);
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308 Result[0].CommandLine.push_back(FilePath);
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309 return Result;
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310 }
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311
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312 std::vector<std::string>
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313 FixedCompilationDatabase::getAllFiles() const {
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314 return std::vector<std::string>();
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315 }
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316
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317 std::vector<CompileCommand>
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318 FixedCompilationDatabase::getAllCompileCommands() const {
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319 return std::vector<CompileCommand>();
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320 }
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321
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322 // This anchor is used to force the linker to link in the generated object file
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323 // and thus register the JSONCompilationDatabasePlugin.
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324 extern volatile int JSONAnchorSource;
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325 static int JSONAnchorDest = JSONAnchorSource;
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326
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327 } // end namespace tooling
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328 } // end namespace clang