clang-tools  11.0.0
clangd-fuzzer.cpp
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1 //===-- ClangdFuzzer.cpp - Fuzz clangd ------------------------------------===//
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 /// \file
10 /// This file implements a function that runs clangd on a single input.
11 /// This function is then linked into the Fuzzer library.
12 ///
13 //===----------------------------------------------------------------------===//
14 
15 #include "ClangdLSPServer.h"
16 #include "ClangdServer.h"
17 #include "CodeComplete.h"
18 #include "refactor/Rename.h"
19 #include "support/ThreadsafeFS.h"
20 #include <cstdio>
21 #include <sstream>
22 
23 using namespace clang::clangd;
24 
25 extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
26  if (size == 0)
27  return 0;
28 
29  // fmemopen isn't portable, but I think we only run the fuzzer on Linux.
30  std::FILE *In = fmemopen(data, size, "r");
31  auto Transport = newJSONTransport(In, llvm::nulls(),
32  /*InMirror=*/nullptr, /*Pretty=*/false,
33  /*Style=*/JSONStreamStyle::Delimited);
36  CCOpts.EnableSnippets = false;
38 
39  // Initialize and run ClangdLSPServer.
41  false, llvm::None, Opts);
42  LSPServer.run();
43  return 0;
44 }
clang::clangd::ClangdLSPServer::run
bool run()
Run LSP server loop, communicating with the Transport provided in the constructor.
Definition: ClangdLSPServer.cpp:1417
CCOpts
CodeCompleteOptions CCOpts
Definition: ClangdLSPServerTests.cpp:67
CodeComplete.h
clang::clangd::TextDocumentSyncKind::None
Documents should not be synced at all.
clang::clangd::RealThreadsafeFS
Definition: ThreadsafeFS.h:49
clang::clangd
Definition: AST.cpp:39
ThreadsafeFS.h
clang::clangd::ClangdLSPServer
This class exposes ClangdServer's capabilities via Language Server Protocol.
Definition: ClangdLSPServer.h:37
clang::clangd::ClangdServer::Options
Definition: ClangdServer.h:90
Rename.h
ClangdLSPServer.h
FS
MockFS FS
Definition: ClangdLSPServerTests.cpp:66
LLVMFuzzerTestOneInput
int LLVMFuzzerTestOneInput(uint8_t *data, size_t size)
Definition: clangd-fuzzer.cpp:25
clang::clangd::RenameOptions
Definition: Rename.h:29
clang::clangd::CodeCompleteOptions
Definition: CodeComplete.h:44
clang::clangd::Transport
Definition: Transport.h:34
clang::clangd::CodeCompleteOptions::EnableSnippets
bool EnableSnippets
When true, completion items will contain expandable code snippets in completion (e....
Definition: CodeComplete.h:51
ClangdServer.h
clang::clangd::newJSONTransport
std::unique_ptr< Transport > newJSONTransport(std::FILE *In, llvm::raw_ostream &Out, llvm::raw_ostream *InMirror, bool Pretty, JSONStreamStyle Style)
Definition: JSONTransport.cpp:320
clang::clangd::Delimited
Definition: Transport.h:69