1 //===- llvm/TableGen/Main.h - tblgen entry point ----------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file declares the common entry point for tblgen tools.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_TABLEGEN_MAIN_H
14 #define LLVM_TABLEGEN_MAIN_H
15 
16 #include <functional>
17 
18 namespace llvm {
19 
20 class raw_ostream;
21 class RecordKeeper;
22 
23 /// Perform the action using Records, and write output to OS.
24 /// Returns true on error, false otherwise.
25 using TableGenMainFn = bool (raw_ostream &OS, RecordKeeper &Records);
26 
27 int TableGenMain(const char *argv0,
28                  std::function<TableGenMainFn> MainFn = nullptr);
29 
30 } // end namespace llvm
31 
32 #endif // LLVM_TABLEGEN_MAIN_H
33