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1 //===- Version.cpp - Clang Version Number -----------------------*- C++ -*-===//
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2 //
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3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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4 // See https://llvm.org/LICENSE.txt for license information.
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5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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6 //
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7 //===----------------------------------------------------------------------===//
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8 //
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9 // This file defines several version-related utility functions for Clang.
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10 //
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11 //===----------------------------------------------------------------------===//
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12
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13 #include "clang/Basic/Version.h"
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14 #include "clang/Basic/LLVM.h"
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15 #include "clang/Config/config.h"
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16 #include "llvm/Support/raw_ostream.h"
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17 #include <cstdlib>
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18 #include <cstring>
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19
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20 #ifdef HAVE_VCS_VERSION_INC
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21 #include "VCSVersion.inc"
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22 #endif
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23
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24 namespace clang {
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25
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26 std::string getClangRepositoryPath() {
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27 #if defined(CLANG_REPOSITORY_STRING)
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28 return CLANG_REPOSITORY_STRING;
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29 #else
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30 #ifdef CLANG_REPOSITORY
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31 return CLANG_REPOSITORY;
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32 #else
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33 return "";
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34 #endif
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35 #endif
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36 }
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37
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38 std::string getLLVMRepositoryPath() {
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39 #ifdef LLVM_REPOSITORY
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40 return LLVM_REPOSITORY;
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41 #else
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42 return "";
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43 #endif
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44 }
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45
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46 std::string getClangRevision() {
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47 #ifdef CLANG_REVISION
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48 return CLANG_REVISION;
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49 #else
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50 return "";
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51 #endif
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52 }
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53
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54 std::string getLLVMRevision() {
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55 #ifdef LLVM_REVISION
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56 return LLVM_REVISION;
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57 #else
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58 return "";
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59 #endif
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60 }
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61
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62 std::string getClangFullRepositoryVersion() {
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63 std::string buf;
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64 llvm::raw_string_ostream OS(buf);
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65 std::string Path = getClangRepositoryPath();
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66 std::string Revision = getClangRevision();
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67 if (!Path.empty() || !Revision.empty()) {
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68 OS << '(';
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69 if (!Path.empty())
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70 OS << Path;
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71 if (!Revision.empty()) {
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72 if (!Path.empty())
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73 OS << ' ';
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74 OS << Revision;
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75 }
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76 OS << ')';
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77 }
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78 // Support LLVM in a separate repository.
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79 std::string LLVMRev = getLLVMRevision();
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80 if (!LLVMRev.empty() && LLVMRev != Revision) {
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81 OS << " (";
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82 std::string LLVMRepo = getLLVMRepositoryPath();
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83 if (!LLVMRepo.empty())
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84 OS << LLVMRepo << ' ';
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85 OS << LLVMRev << ')';
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86 }
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87 return OS.str();
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88 }
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89
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90 std::string getClangFullVersion() {
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91 return getClangToolFullVersion("clang");
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92 }
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93
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94 std::string getClangToolFullVersion(StringRef ToolName) {
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95 std::string buf;
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96 llvm::raw_string_ostream OS(buf);
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97 #ifdef CLANG_VENDOR
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98 OS << CLANG_VENDOR;
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99 #endif
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100 OS << ToolName << " version " CLANG_VERSION_STRING " "
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101 << getClangFullRepositoryVersion();
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102
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103 return OS.str();
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104 }
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105
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106 std::string getClangFullCPPVersion() {
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107 // The version string we report in __VERSION__ is just a compacted version of
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108 // the one we report on the command line.
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109 std::string buf;
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110 llvm::raw_string_ostream OS(buf);
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111 #ifdef CLANG_VENDOR
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112 OS << CLANG_VENDOR;
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113 #endif
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114 OS << "Clang " CLANG_VERSION_STRING " " << getClangFullRepositoryVersion();
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115 return OS.str();
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116 }
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117
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118 } // end namespace clang
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