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//===-- ClangFormatFuzzer.cpp - Fuzz the Clang format tool ----------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
///
/// \file
/// This file implements a function that runs Clang format on a single
/// input. This function is then linked into the Fuzzer library.
///
//===----------------------------------------------------------------------===//
#include "clang/Format/Format.h"
extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size) {
// FIXME: fuzz more things: different styles, different style features.
std::string s((const char *)data, size);
auto Style = getGoogleStyle(clang::format::FormatStyle::LK_Cpp);
Style.ColumnLimit = 60;
Style.Macros.push_back("ASSIGN_OR_RETURN(a, b)=a = (b)");
Style.Macros.push_back("ASSIGN_OR_RETURN(a, b, c)=a = (b); if (x) return c");
Style.Macros.push_back("MOCK_METHOD(r, n, a, s)=r n a s");
auto Replaces = reformat(Style, s, clang::tooling::Range(0, s.size()));
auto Result = applyAllReplacements(s, Replaces);
// Output must be checked, as otherwise we crash.
if (!Result) {
}
return 0;
}
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