d090311aa7
This relands #165277 by reverting #169397. This also relands the corresponding Bazel port by reverting #169410. The original revert was due to a report of a broken build, which was later resolved by fully clearing the build directory.
104 lines
4.0 KiB
C++
104 lines
4.0 KiB
C++
//===-- ClangParserTest.cpp -----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Basic/Version.h"
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#include "clang/Config/config.h"
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#include "clang/Options/OptionUtils.h"
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#include "Plugins/ExpressionParser/Clang/ClangHost.h"
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#include "TestingSupport/SubsystemRAII.h"
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#include "TestingSupport/TestUtilities.h"
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#include "lldb/Host/Config.h"
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#include "lldb/Host/FileSystem.h"
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#include "lldb/Host/HostInfo.h"
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#include "lldb/Utility/FileSpec.h"
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#include "lldb/lldb-defines.h"
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#include "gtest/gtest.h"
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using namespace lldb_private;
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namespace {
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struct ClangHostTest : public testing::Test {
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SubsystemRAII<FileSystem, HostInfo> subsystems;
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};
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} // namespace
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static std::string ComputeClangResourceDir(std::string lldb_shlib_path,
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bool verify = false) {
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FileSpec clang_dir;
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FileSpec lldb_shlib_spec(lldb_shlib_path);
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ComputeClangResourceDirectory(lldb_shlib_spec, clang_dir, verify);
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return clang_dir.GetPath();
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}
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TEST_F(ClangHostTest, ComputeClangResourceDirectory) {
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#if !defined(_WIN32)
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std::string path_to_liblldb = "/foo/bar/lib/";
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#else
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std::string path_to_liblldb = "C:\\foo\\bar\\lib\\";
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#endif
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std::string path_to_clang_dir =
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clang::GetResourcesPath(path_to_liblldb + "liblldb");
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llvm::SmallString<256> path_to_clang_lib_dir_real;
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llvm::sys::fs::real_path(path_to_clang_dir, path_to_clang_lib_dir_real);
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std::string computed_path = ComputeClangResourceDir(path_to_liblldb);
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llvm::SmallString<256> computed_path_real;
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llvm::sys::fs::real_path(computed_path, computed_path_real);
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// When CLANG_RESOURCE_DIR is set, both the functions we use here behave in
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// such a way that leads to one path being lib/ and the other bin/. Check that
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// they are equivalent after any ".." have been resolved.
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EXPECT_EQ(path_to_clang_lib_dir_real, computed_path_real);
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// The path doesn't really exist, so setting verify to true should make
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// ComputeClangResourceDir not give you path_to_clang_dir.
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EXPECT_NE(ComputeClangResourceDir(path_to_liblldb, true), path_to_clang_dir);
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}
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#if defined(__APPLE__)
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TEST_F(ClangHostTest, MacOSX) {
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// This returns whatever the POSIX fallback returns.
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std::string posix = "/usr/lib/liblldb.dylib";
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EXPECT_FALSE(ComputeClangResourceDir(posix).empty());
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std::string build =
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"/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Versions/A";
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std::string build_clang =
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"/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Resources/Clang";
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EXPECT_EQ(ComputeClangResourceDir(build), build_clang);
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std::string xcode = "/Applications/Xcode.app/Contents/SharedFrameworks/"
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"LLDB.framework/Versions/A";
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std::string xcode_clang =
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"/Applications/Xcode.app/Contents/Developer/Toolchains/"
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"XcodeDefault.xctoolchain/usr/lib/swift/clang";
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EXPECT_EQ(ComputeClangResourceDir(xcode), xcode_clang);
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std::string toolchain =
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"/Applications/Xcode.app/Contents/Developer/Toolchains/"
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"Swift-4.1-development-snapshot.xctoolchain/System/Library/"
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"PrivateFrameworks/LLDB.framework";
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std::string toolchain_clang =
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"/Applications/Xcode.app/Contents/Developer/Toolchains/"
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"Swift-4.1-development-snapshot.xctoolchain/usr/lib/swift/clang";
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EXPECT_EQ(ComputeClangResourceDir(toolchain), toolchain_clang);
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std::string cltools = "/Library/Developer/CommandLineTools/Library/"
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"PrivateFrameworks/LLDB.framework";
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std::string cltools_clang =
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"/Library/Developer/CommandLineTools/Library/PrivateFrameworks/"
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"LLDB.framework/Resources/Clang";
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EXPECT_EQ(ComputeClangResourceDir(cltools), cltools_clang);
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// Test that a bogus path is detected.
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EXPECT_NE(ComputeClangResourceDir(GetInputFilePath(xcode), true),
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ComputeClangResourceDir(GetInputFilePath(xcode)));
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}
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#endif // __APPLE__
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