| 1 | //===-- ClangdFuzzer.cpp - Fuzz clangd ------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | /// |
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| 9 | /// \file |
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| 10 | /// This file implements a function that runs clangd on a single input. |
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| 11 | /// This function is then linked into the Fuzzer library. |
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| 12 | /// |
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| 13 | //===----------------------------------------------------------------------===// |
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| 14 | |
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| 15 | #include "ClangdLSPServer.h" |
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| 16 | #include "ClangdServer.h" |
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| 17 | #include "support/ThreadsafeFS.h" |
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| 18 | #include <cstdio> |
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| 19 | |
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| 20 | using namespace clang::clangd; |
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| 21 | |
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| 22 | extern "C" int LLVMFuzzerTestOneInput(uint8_t *Data, size_t Size) { |
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| 23 | if (Size == 0) |
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| 24 | return 0; |
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| 25 | |
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| 26 | // fmemopen isn't portable, but I think we only run the fuzzer on Linux. |
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| 27 | std::FILE *In = fmemopen(s: Data, len: Size, modes: "r" ); |
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| 28 | auto Transport = newJSONTransport(In, Out&: llvm::nulls(), |
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| 29 | /*InMirror=*/nullptr, /*Pretty=*/false, |
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| 30 | /*Style=*/JSONStreamStyle::Delimited); |
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| 31 | RealThreadsafeFS FS; |
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| 32 | CodeCompleteOptions CCOpts; |
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| 33 | ClangdLSPServer::Options Opts; |
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| 34 | Opts.CodeComplete.EnableSnippets = false; |
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| 35 | Opts.UseDirBasedCDB = false; |
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| 36 | |
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| 37 | // Initialize and run ClangdLSPServer. |
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| 38 | ClangdLSPServer LSPServer(*Transport, FS, Opts); |
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| 39 | LSPServer.run(); |
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| 40 | return 0; |
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| 41 | } |
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| 42 | |
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