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, file_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(BinaryPath: path_to_liblldb + "liblldb" ); |
47 | llvm::SmallString<256> path_to_clang_lib_dir_real; |
48 | llvm::sys::fs::real_path(path: path_to_clang_dir, output&: path_to_clang_lib_dir_real); |
49 | |
50 | std::string computed_path = ComputeClangResourceDir(lldb_shlib_path: path_to_liblldb); |
51 | llvm::SmallString<256> computed_path_real; |
52 | llvm::sys::fs::real_path(path: computed_path, output&: 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 | |