lldb/source/lldb.cpp

   1 //===-- lldb.cpp ------------------------------------------------*- C++ -*-===//
   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/lldb-private.h"
  10
  11 using namespace lldb;
  12 using namespace lldb_private;
  13
  14 #include "clang/Basic/Version.h"
  15
  16 #ifdef HAVE_VCS_VERSION_INC
  17 #include "VCSVersion.inc"
  18 #endif
  19
  20 static const char *GetLLDBRevision() {
  21 #ifdef LLDB_REVISION
  22   return LLDB_REVISION;
  23 #else
  24   return NULL;
  25 #endif
  26 }
  27
  28 static const char *GetLLDBRepository() {
  29 #ifdef LLDB_REPOSITORY
  30   return LLDB_REPOSITORY;
  31 #else
  32   return NULL;
  33 #endif
  34 }
  35
  36 #define QUOTE(str) #str
  37 #define EXPAND_AND_QUOTE(str) QUOTE(str)
  38
  39 const char *lldb_private::GetVersion() {
  40   // On platforms other than Darwin, report a version number in the same style
  41   // as the clang tool.
  42   static std::string g_version_str;
  43   if (g_version_str.empty()) {
  44     g_version_str += "lldb version ";
  45     g_version_str += CLANG_VERSION_STRING;
  46
  47     const char *lldb_repo = GetLLDBRepository();
  48     const char *lldb_rev = GetLLDBRevision();
  49     if (lldb_repo || lldb_rev) {
  50       g_version_str += " (";
  51       if (lldb_repo)
  52         g_version_str += lldb_repo;
  53       if (lldb_rev) {
  54         g_version_str += " revision ";
  55         g_version_str += lldb_rev;
  56       }
  57       g_version_str += ")";
  58     }
  59
  60     std::string clang_rev(clang::getClangRevision());
  61     if (clang_rev.length() > 0) {
  62       g_version_str += "\n  clang revision ";
  63       g_version_str += clang_rev;
  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   return g_version_str.c_str();
  72 }