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//===--- CLI.h - Get grammar from variant sources ----------------*- 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
//
//===----------------------------------------------------------------------===//
//
// Provides the Grammar, LRTable etc for a language specified by the `--grammar`
// flags. It is by design to be used by pseudoparser-based CLI tools.
//
// The CLI library defines a `--grammar` CLI flag, which supports 1) using a
// grammar from a file (--grammar=/path/to/lang.bnf) or using the prebuilt cxx
// language (--grammar=cxx).
//
//===----------------------------------------------------------------------===//
#ifndef CLANG_PSEUDO_CLI_CLI_H
#define CLANG_PSEUDO_CLI_CLI_H
#include "clang-pseudo/Language.h"
namespace clang {
namespace pseudo {
// Returns the corresponding Language from the '--grammar' command-line flag.
//
// !! If the grammar flag is invalid (e.g. unexisting file), this function will
// exit the program immediately.
const Language &getLanguageFromFlags();
} // namespace pseudo
} // namespace clang
#endif // CLANG_PSEUDO_CLI_CLI_H
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