diff options
author | Manuel Klimek <klimek@google.com> | 2015-03-28 00:42:36 +0000 |
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committer | Manuel Klimek <klimek@google.com> | 2015-03-28 00:42:36 +0000 |
commit | d0d4d66cd1f75aa7be820525088d566592efe71d (patch) | |
tree | b6cef9dc3a10707d2379c7153bb545871204b9e3 /tools/clang-fuzzer | |
parent | 228d42a03389cbe43bfce03d7544cbf30b855a23 (diff) |
Make the clang-fuzzer use the CompilerInstance directly.
Going through the driver is too slow.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@233459 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools/clang-fuzzer')
-rw-r--r-- | tools/clang-fuzzer/ClangFuzzer.cpp | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/tools/clang-fuzzer/ClangFuzzer.cpp b/tools/clang-fuzzer/ClangFuzzer.cpp index 3c50f81303..b24531976c 100644 --- a/tools/clang-fuzzer/ClangFuzzer.cpp +++ b/tools/clang-fuzzer/ClangFuzzer.cpp @@ -16,17 +16,28 @@ #include "clang/Tooling/Tooling.h" #include "clang/Frontend/FrontendActions.h" #include "clang/Frontend/CompilerInstance.h" +#include "llvm/Option/Option.h" using namespace clang; extern "C" void TestOneInput(uint8_t *data, size_t size) { std::string s((const char *)data, size); + llvm::opt::ArgStringList CC1Args; + CC1Args.push_back("-cc1"); + CC1Args.push_back("test.cc"); llvm::IntrusiveRefCntPtr<FileManager> Files( new FileManager(FileSystemOptions())); - tooling::ToolInvocation Invocation({"clang", "-c", "test.cc"}, - new clang::SyntaxOnlyAction, Files.get()); IgnoringDiagConsumer Diags; - Invocation.setDiagnosticConsumer(&Diags); - Invocation.mapVirtualFile("test.cc", s); - Invocation.run(); + IntrusiveRefCntPtr<DiagnosticOptions> DiagOpts = new DiagnosticOptions(); + DiagnosticsEngine Diagnostics( + IntrusiveRefCntPtr<clang::DiagnosticIDs>(new DiagnosticIDs()), &*DiagOpts, + &Diags, false); + std::unique_ptr<clang::CompilerInvocation> Invocation( + tooling::newInvocation(&Diagnostics, CC1Args)); + std::unique_ptr<llvm::MemoryBuffer> Input = + llvm::MemoryBuffer::getMemBuffer(s); + Invocation->getPreprocessorOpts().addRemappedFile("test.cc", Input.release()); + std::unique_ptr<tooling::ToolAction> action( + tooling::newFrontendActionFactory<clang::SyntaxOnlyAction>()); + action->runInvocation(Invocation.release(), Files.get(), &Diags); } |