1 //===-- lldb.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 "VCSVersion.inc"
10 #include "lldb/lldb-private.h"
11 #include "clang/Basic/Version.h"
12 
13 using namespace lldb;
14 using namespace lldb_private;
15 
16 // LLDB_VERSION_STRING is set through a define so unlike the other defines
17 // expanded with CMake, it lacks the double quotes.
18 #define QUOTE(str) #str
19 #define EXPAND_AND_QUOTE(str) QUOTE(str)
20 
GetLLDBVersion()21 static const char *GetLLDBVersion() {
22 #ifdef LLDB_VERSION_STRING
23   return EXPAND_AND_QUOTE(LLDB_VERSION_STRING);
24 #else
25   return "lldb version " CLANG_VERSION_STRING;
26 #endif
27 }
28 
GetLLDBRevision()29 static const char *GetLLDBRevision() {
30 #ifdef LLDB_REVISION
31   return LLDB_REVISION;
32 #else
33   return NULL;
34 #endif
35 }
36 
GetLLDBRepository()37 static const char *GetLLDBRepository() {
38 #ifdef LLDB_REPOSITORY
39   return LLDB_REPOSITORY;
40 #else
41   return NULL;
42 #endif
43 }
44 
GetVersion()45 const char *lldb_private::GetVersion() {
46   static std::string g_version_str;
47   if (g_version_str.empty()) {
48     const char *lldb_version = GetLLDBVersion();
49     const char *lldb_repo = GetLLDBRepository();
50     const char *lldb_rev = GetLLDBRevision();
51     g_version_str += lldb_version;
52     if (lldb_repo || lldb_rev) {
53       g_version_str += " (";
54       if (lldb_repo)
55         g_version_str += lldb_repo;
56       if (lldb_repo && lldb_rev)
57         g_version_str += " ";
58       if (lldb_rev) {
59         g_version_str += "revision ";
60         g_version_str += lldb_rev;
61       }
62       g_version_str += ")";
63     }
64 
65     std::string clang_rev(clang::getClangRevision());
66     if (clang_rev.length() > 0) {
67       g_version_str += "\n  clang revision ";
68       g_version_str += clang_rev;
69     }
70     std::string llvm_rev(clang::getLLVMRevision());
71     if (llvm_rev.length() > 0) {
72       g_version_str += "\n  llvm revision ";
73       g_version_str += llvm_rev;
74     }
75   }
76   return g_version_str.c_str();
77 }
78