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//===-- CacheLauncherMode.h - clang-cache driver mode -----------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_TOOLS_DRIVER_CACHELAUNCHERMODE_H
#define LLVM_CLANG_TOOLS_DRIVER_CACHELAUNCHERMODE_H
#include "clang/Basic/LLVM.h"
namespace llvm {
class StringSaver;
}
namespace clang {
/// Invoked at the beginning of a "/path/to/clang-cache /path/to/clang -c ..."
/// invocation. If "/path/to/clang" points to the same clang binary as
/// "/path/to/clang-cache" then the arguments will be adjusted for compilation
/// caching, and the function will return, otherwise the "/path/to/clang -c ..."
/// invocation will be invoked as a separate process and its exit value will be
/// returned.
///
/// \returns \p None if the arguments got adjusted, or the exit code to return.
std::optional<int>
handleClangCacheInvocation(SmallVectorImpl<const char *> &Args,
llvm::StringSaver &Saver);
} // namespace clang
#endif
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