blob: 0226fc3dcb55dc1922c6b7998ff5bf753d9d06aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
//===-- TestFS.h ------------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Allows setting up fake filesystem environments for tests.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_TESTFS_H
#define LLVM_CLANG_TOOLS_EXTRA_UNITTESTS_CLANGD_TESTFS_H
#include "ClangdServer.h"
#include "llvm/ADT/IntrusiveRefCntPtr.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/VirtualFileSystem.h"
namespace clang {
namespace clangd {
// Builds a VFS that provides access to the provided files, plus temporary
// directories.
llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem>
buildTestFS(llvm::StringMap<std::string> const &Files,
llvm::StringMap<time_t> const &Timestamps = {});
// A VFS provider that returns TestFSes containing a provided set of files.
class MockFSProvider : public FileSystemProvider {
public:
IntrusiveRefCntPtr<llvm::vfs::FileSystem> getFileSystem() const override {
return buildTestFS(Files);
}
// If relative paths are used, they are resolved with testPath().
llvm::StringMap<std::string> Files;
};
// A Compilation database that returns a fixed set of compile flags.
class MockCompilationDatabase : public GlobalCompilationDatabase {
public:
/// If \p Directory is not empty, use that as the Directory field of the
/// CompileCommand, and as project SourceRoot.
///
/// If \p RelPathPrefix is not empty, use that as a prefix in front of the
/// source file name, instead of using an absolute path.
MockCompilationDatabase(StringRef Directory = StringRef(),
StringRef RelPathPrefix = StringRef());
llvm::Optional<tooling::CompileCommand>
getCompileCommand(PathRef File, ProjectInfo * = nullptr) const override;
std::vector<std::string> ExtraClangFlags;
private:
StringRef Directory;
StringRef RelPathPrefix;
};
// Returns an absolute (fake) test directory for this OS.
const char *testRoot();
// Returns a suitable absolute path for this OS.
std::string testPath(PathRef File);
// unittest: is a scheme that refers to files relative to testRoot()
// This anchor is used to force the linker to link in the generated object file
// and thus register unittest: URI scheme plugin.
extern volatile int UnittestSchemeAnchorSource;
} // namespace clangd
} // namespace clang
#endif
|
