1 //===-- ClangParserTest.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 "clang/Basic/Version.h" 10 #include "clang/Config/config.h" 11 #include "clang/Driver/Driver.h" 12 13 #include "Plugins/ExpressionParser/Clang/ClangHost.h" 14 #include "TestingSupport/SubsystemRAII.h" 15 #include "TestingSupport/TestUtilities.h" 16 #include "lldb/Host/Config.h" 17 #include "lldb/Host/FileSystem.h" 18 #include "lldb/Host/HostInfo.h" 19 #include "lldb/Utility/FileSpec.h" 20 #include "lldb/lldb-defines.h" 21 #include "gtest/gtest.h" 22 23 using namespace lldb_private; 24 25 namespace { 26 struct ClangHostTest : public testing::Test { 27 SubsystemRAII<FileSystem, HostInfo> subsystems; 28 }; 29 } // namespace 30 31 static std::string ComputeClangResourceDir(std::string lldb_shlib_path, 32 bool verify = false) { 33 FileSpec clang_dir; 34 FileSpec lldb_shlib_spec(lldb_shlib_path); 35 ComputeClangResourceDirectory(lldb_shlib_spec, clang_dir, verify); 36 return clang_dir.GetPath(); 37 } 38 39 TEST_F(ClangHostTest, ComputeClangResourceDirectory) { 40 #if !defined(_WIN32) 41 std::string path_to_liblldb = "/foo/bar/lib/"; 42 #else 43 std::string path_to_liblldb = "C:\\foo\\bar\\lib\\"; 44 #endif 45 std::string path_to_clang_dir = 46 clang::driver::Driver::GetResourcesPath(path_to_liblldb + "liblldb"); 47 llvm::SmallString<256> path_to_clang_lib_dir_real; 48 llvm::sys::fs::real_path(path_to_clang_dir, path_to_clang_lib_dir_real); 49 50 std::string computed_path = ComputeClangResourceDir(path_to_liblldb); 51 llvm::SmallString<256> computed_path_real; 52 llvm::sys::fs::real_path(computed_path, computed_path_real); 53 54 // When CLANG_RESOURCE_DIR is set, both the functions we use here behave in 55 // such a way that leads to one path being lib/ and the other bin/. Check that 56 // they are equivalent after any ".." have been resolved. 57 EXPECT_EQ(path_to_clang_lib_dir_real, computed_path_real); 58 59 // The path doesn't really exist, so setting verify to true should make 60 // ComputeClangResourceDir not give you path_to_clang_dir. 61 EXPECT_NE(ComputeClangResourceDir(path_to_liblldb, true), path_to_clang_dir); 62 } 63 64 #if defined(__APPLE__) 65 TEST_F(ClangHostTest, MacOSX) { 66 // This returns whatever the POSIX fallback returns. 67 std::string posix = "/usr/lib/liblldb.dylib"; 68 EXPECT_FALSE(ComputeClangResourceDir(posix).empty()); 69 70 std::string build = 71 "/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Versions/A"; 72 std::string build_clang = 73 "/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Resources/Clang"; 74 EXPECT_EQ(ComputeClangResourceDir(build), build_clang); 75 76 std::string xcode = "/Applications/Xcode.app/Contents/SharedFrameworks/" 77 "LLDB.framework/Versions/A"; 78 std::string xcode_clang = 79 "/Applications/Xcode.app/Contents/Developer/Toolchains/" 80 "XcodeDefault.xctoolchain/usr/lib/swift/clang"; 81 EXPECT_EQ(ComputeClangResourceDir(xcode), xcode_clang); 82 83 std::string toolchain = 84 "/Applications/Xcode.app/Contents/Developer/Toolchains/" 85 "Swift-4.1-development-snapshot.xctoolchain/System/Library/" 86 "PrivateFrameworks/LLDB.framework"; 87 std::string toolchain_clang = 88 "/Applications/Xcode.app/Contents/Developer/Toolchains/" 89 "Swift-4.1-development-snapshot.xctoolchain/usr/lib/swift/clang"; 90 EXPECT_EQ(ComputeClangResourceDir(toolchain), toolchain_clang); 91 92 std::string cltools = "/Library/Developer/CommandLineTools/Library/" 93 "PrivateFrameworks/LLDB.framework"; 94 std::string cltools_clang = 95 "/Library/Developer/CommandLineTools/Library/PrivateFrameworks/" 96 "LLDB.framework/Resources/Clang"; 97 EXPECT_EQ(ComputeClangResourceDir(cltools), cltools_clang); 98 99 // Test that a bogus path is detected. 100 EXPECT_NE(ComputeClangResourceDir(GetInputFilePath(xcode), true), 101 ComputeClangResourceDir(GetInputFilePath(xcode))); 102 } 103 #endif // __APPLE__ 104