| 1 | //===--- CLI.h - Get grammar from variant sources ----------------*- C++-*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // Provides the Grammar, LRTable etc for a language specified by the `--grammar` |
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| 10 | // flags. It is by design to be used by pseudoparser-based CLI tools. |
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| 11 | // |
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| 12 | // The CLI library defines a `--grammar` CLI flag, which supports 1) using a |
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| 13 | // grammar from a file (--grammar=/path/to/lang.bnf) or using the prebuilt cxx |
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| 14 | // language (--grammar=cxx). |
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| 15 | // |
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| 16 | //===----------------------------------------------------------------------===// |
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| 17 | |
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| 18 | #ifndef CLANG_PSEUDO_CLI_CLI_H |
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| 19 | #define CLANG_PSEUDO_CLI_CLI_H |
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| 20 | |
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| 21 | #include "clang-pseudo/Language.h" |
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| 22 | |
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| 23 | namespace clang { |
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| 24 | namespace pseudo { |
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| 25 | |
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| 26 | // Returns the corresponding Language from the '--grammar' command-line flag. |
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| 27 | // |
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| 28 | // !! If the grammar flag is invalid (e.g. unexisting file), this function will |
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| 29 | // exit the program immediately. |
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| 30 | const Language &getLanguageFromFlags(); |
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| 31 | |
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| 32 | } // namespace pseudo |
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| 33 | } // namespace clang |
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| 34 | |
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| 35 | #endif // CLANG_PSEUDO_CLI_CLI_H |
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| 36 | |
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