lldb/source/Version/Version.cpp

   1 //===-- Version.cpp -------------------------------------------------------===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "lldb/Version/Version.h"
  10 #include "VCSVersion.inc"
  11 #include "lldb/Version/Version.inc"
  12 #include "clang/Basic/Version.h"
  13
  14 static const char *GetLLDBVersion() {
  15 #ifdef LLDB_FULL_VERSION_STRING
  16   return LLDB_FULL_VERSION_STRING;
  17 #else
  18   return "lldb version " LLDB_VERSION_STRING;
  19 #endif
  20 }
  21
  22 static const char *GetLLDBRevision() {
  23 #ifdef LLDB_REVISION
  24   return LLDB_REVISION;
  25 #else
  26   return nullptr;
  27 #endif
  28 }
  29
  30 static const char *GetLLDBRepository() {
  31 #ifdef LLDB_REPOSITORY
  32   return LLDB_REPOSITORY;
  33 #else
  34   return nullptr;
  35 #endif
  36 }
  37
  38 const char *lldb_private::GetVersion() {
  39   static std::string g_version_str;
  40
  41   if (g_version_str.empty()) {
  42     const char *lldb_version = GetLLDBVersion();
  43     const char *lldb_repo = GetLLDBRepository();
  44     const char *lldb_rev = GetLLDBRevision();
  45     g_version_str += lldb_version;
  46     if (lldb_repo || lldb_rev) {
  47       g_version_str += " (";
  48       if (lldb_repo)
  49         g_version_str += lldb_repo;
  50       if (lldb_repo && lldb_rev)
  51         g_version_str += " ";
  52       if (lldb_rev) {
  53         g_version_str += "revision ";
  54         g_version_str += lldb_rev;
  55       }
  56       g_version_str += ")";
  57     }
  58
  59     std::string clang_rev(clang::getClangRevision());
  60     if (clang_rev.length() > 0) {
  61       g_version_str += "\n  clang revision ";
  62       g_version_str += clang_rev;
  63     }
  64
  65     std::string llvm_rev(clang::getLLVMRevision());
  66     if (llvm_rev.length() > 0) {
  67       g_version_str += "\n  llvm revision ";
  68       g_version_str += llvm_rev;
  69     }
  70   }
  71
  72   return g_version_str.c_str();
  73 }