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0001 //===- llvm/TableGen/Main.h - tblgen entry point ----------------*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008 //
0009 // This file declares the common entry point for tblgen tools.
0010 //
0011 //===----------------------------------------------------------------------===//
0012 
0013 #ifndef LLVM_TABLEGEN_MAIN_H
0014 #define LLVM_TABLEGEN_MAIN_H
0015 
0016 #include <functional>
0017 
0018 namespace llvm {
0019 
0020 class raw_ostream;
0021 class RecordKeeper;
0022 
0023 /// Perform the action using Records, and write output to OS.
0024 /// Returns true on error, false otherwise.
0025 using TableGenMainFn = bool(raw_ostream &OS, const RecordKeeper &Records);
0026 
0027 int TableGenMain(const char *argv0,
0028                  std::function<TableGenMainFn> MainFn = nullptr);
0029 
0030 } // end namespace llvm
0031 
0032 #endif // LLVM_TABLEGEN_MAIN_H