Author: d0k
Date: Thu Oct 26 03:03:11 2017
New Revision: 316649
URL: http://llvm.org/viewvc/llvm-project?rev=316649&view=rev
Log:
[clangd] Add a simple fuzzer. It crashes a lot :)
Added:
clang-tools-extra/trunk/clangd/fuzzer/
clang-tools-extra/trunk/clangd/fuzzer/CMakeLists.txt
clang-tools-extra/trunk/clangd/fuzzer/ClangdFuzzer.cpp
Modified:
clang-tools-extra/trunk/clangd/CMakeLists.txt
Modified: clang-tools-extra/trunk/clangd/CMakeLists.txt
URL:
http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clangd/CMakeLists.txt?rev=316649&r1=316648&r2=316649&view=diff
==============================================================================
--- clang-tools-extra/trunk/clangd/CMakeLists.txt (original)
+++ clang-tools-extra/trunk/clangd/CMakeLists.txt Thu Oct 26 03:03:11 2017
@@ -28,4 +28,7 @@ add_clang_library(clangDaemon
${LLVM_PTHREAD_LIB}
)
+if( LLVM_LIB_FUZZING_ENGINE OR LLVM_USE_SANITIZE_COVERAGE )
+ add_subdirectory(fuzzer)
+endif()
add_subdirectory(tool)
Added: clang-tools-extra/trunk/clangd/fuzzer/CMakeLists.txt
URL:
http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clangd/fuzzer/CMakeLists.txt?rev=316649&view=auto
==============================================================================
--- clang-tools-extra/trunk/clangd/fuzzer/CMakeLists.txt (added)
+++ clang-tools-extra/trunk/clangd/fuzzer/CMakeLists.txt Thu Oct 26 03:03:11
2017
@@ -0,0 +1,23 @@
+include_directories(${CMAKE_CURRENT_SOURCE_DIR}/..)
+
+set(LLVM_LINK_COMPONENTS support)
+
+if(LLVM_USE_SANITIZE_COVERAGE)
+ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=fuzzer")
+endif()
+
+add_clang_executable(clangd-fuzzer
+ EXCLUDE_FROM_ALL
+ ClangdFuzzer.cpp
+ )
+
+target_link_libraries(clangd-fuzzer
+ clangBasic
+ clangDaemon
+ clangFormat
+ clangFrontend
+ clangSema
+ clangTooling
+ clangToolingCore
+ ${LLVM_LIB_FUZZING_ENGINE}
+ )
Added: clang-tools-extra/trunk/clangd/fuzzer/ClangdFuzzer.cpp
URL:
http://llvm.org/viewvc/llvm-project/clang-tools-extra/trunk/clangd/fuzzer/ClangdFuzzer.cpp?rev=316649&view=auto
==============================================================================
--- clang-tools-extra/trunk/clangd/fuzzer/ClangdFuzzer.cpp (added)
+++ clang-tools-extra/trunk/clangd/fuzzer/ClangdFuzzer.cpp Thu Oct 26 03:03:11
2017
@@ -0,0 +1,34 @@
+//===-- ClangdFuzzer.cpp - Fuzz clangd
------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief This file implements a function that runs clangd on a single input.
+/// This function is then linked into the Fuzzer library.
+///
+//===----------------------------------------------------------------------===//
+
+#include "ClangdLSPServer.h"
+#include "llvm/Support/Program.h"
+#include <sstream>
+
+extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
+ /// Change stdin to binary to not lose \r\n on windows.
+ llvm::sys::ChangeStdinToBinary();
+
+ clang::clangd::JSONOutput Out(llvm::nulls(), llvm::nulls(), nullptr);
+
+ /// Initialize and run ClangdLSPServer.
+ clang::clangd::ClangdLSPServer LSPServer(
+ Out, clang::clangd::getDefaultAsyncThreadsCount(),
+ /*EnableSnippets=*/false, llvm::None, llvm::None);
+
+ std::istringstream In(std::string(reinterpret_cast<char *>(data), size));
+ LSPServer.run(In);
+ return 0;
+}
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