133337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar//===-- ClangFuzzer.cpp - Fuzz Clang --------------------------------------===// 233337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar// 333337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar// The LLVM Compiler Infrastructure 433337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar// 533337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar// This file is distributed under the University of Illinois Open Source 633337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar// License. See LICENSE.TXT for details. 733337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar// 833337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar//===----------------------------------------------------------------------===// 933337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar/// 1033337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar/// \file 1133337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar/// \brief This file implements a function that runs Clang on a single 1233337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar/// input. This function is then linked into the Fuzzer library. 1333337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar/// 1433337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar//===----------------------------------------------------------------------===// 1533337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar 1633337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar#include "clang/Tooling/Tooling.h" 1733337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar#include "clang/Frontend/FrontendActions.h" 1833337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar#include "clang/Frontend/CompilerInstance.h" 1933337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar#include "llvm/Option/Option.h" 2033337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar 2133337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainarusing namespace clang; 2233337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar 2333337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainarextern "C" void TestOneInput(uint8_t *data, size_t size) { 2433337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar std::string s((const char *)data, size); 2533337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar llvm::opt::ArgStringList CC1Args; 2633337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar CC1Args.push_back("-cc1"); 2733337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar CC1Args.push_back("test.cc"); 2833337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar llvm::IntrusiveRefCntPtr<FileManager> Files( 2933337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar new FileManager(FileSystemOptions())); 3033337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar IgnoringDiagConsumer Diags; 3133337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions(); 3233337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar DiagnosticsEngine Diagnostics( 3333337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar IntrusiveRefCntPtr<clang::DiagnosticIDs>(new DiagnosticIDs()), &*DiagOpts, 3433337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar &Diags, false); 3533337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar std::unique_ptr<clang::CompilerInvocation> Invocation( 3633337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar tooling::newInvocation(&Diagnostics, CC1Args)); 3733337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar std::unique_ptr<llvm::MemoryBuffer> Input = 3833337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar llvm::MemoryBuffer::getMemBuffer(s); 3933337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar Invocation->getPreprocessorOpts().addRemappedFile("test.cc", Input.release()); 4033337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar std::unique_ptr<tooling::ToolAction> action( 4133337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar tooling::newFrontendActionFactory<clang::SyntaxOnlyAction>()); 4233337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar action->runInvocation(Invocation.release(), Files.get(), &Diags); 4333337ca4d89605025818daf83390ab4271d598d9Pirama Arumuga Nainar} 44