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| 1 | //===- PreprocessorOptions.h ------------------------------------*- 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 | /// \file |
| 10 | /// This file contains the declaration of the PreprocessorOptions class, which |
| 11 | /// is the class for all preprocessor options. |
| 12 | /// |
| 13 | //===----------------------------------------------------------------------===// |
| 14 | // |
| 15 | // Coding style: https://mlir.llvm.org/getting_started/DeveloperGuide/ |
| 16 | // |
| 17 | //===----------------------------------------------------------------------===// |
| 18 | |
| 19 | #ifndef FORTRAN_FRONTEND_PREPROCESSOROPTIONS_H |
| 20 | #define FORTRAN_FRONTEND_PREPROCESSOROPTIONS_H |
| 21 | |
| 22 | #include "llvm/ADT/StringRef.h" |
| 23 | |
| 24 | namespace Fortran::frontend { |
| 25 | |
| 26 | /// Communicates whether to include/exclude predefined and command |
| 27 | /// line preprocessor macros |
| 28 | enum class PPMacrosFlag : uint8_t { |
| 29 | /// Use the file extension to decide |
| 30 | Unknown, |
| 31 | |
| 32 | Include, |
| 33 | Exclude |
| 34 | }; |
| 35 | |
| 36 | /// This class is used for passing the various options used |
| 37 | /// in preprocessor initialization to the parser options. |
| 38 | struct PreprocessorOptions { |
| 39 | PreprocessorOptions() {} |
| 40 | |
| 41 | std::vector<std::pair<std::string, /*isUndef*/ bool>> macros; |
| 42 | |
| 43 | // Search directories specified by the user with -I |
| 44 | // TODO: When adding support for more options related to search paths, |
| 45 | // consider collecting them in a separate aggregate. For now we keep it here |
| 46 | // as there is no point creating a class for just one field. |
| 47 | std::vector<std::string> searchDirectoriesFromDashI; |
| 48 | // Search directories specified by the user with -fintrinsic-modules-path |
| 49 | std::vector<std::string> searchDirectoriesFromIntrModPath; |
| 50 | |
| 51 | PPMacrosFlag macrosFlag = PPMacrosFlag::Unknown; |
| 52 | |
| 53 | // -P: Suppress #line directives in -E output |
| 54 | bool noLineDirectives{false}; |
| 55 | |
| 56 | // -fno-reformat: Emit cooked character stream as -E output |
| 57 | bool noReformat{false}; |
| 58 | |
| 59 | // -dM: Show macro definitions with -dM -E |
| 60 | bool showMacros{false}; |
| 61 | |
| 62 | void addMacroDef(llvm::StringRef name) { |
| 63 | macros.emplace_back(std::string(name), false); |
| 64 | } |
| 65 | |
| 66 | void addMacroUndef(llvm::StringRef name) { |
| 67 | macros.emplace_back(std::string(name), true); |
| 68 | } |
| 69 | }; |
| 70 | |
| 71 | } // namespace Fortran::frontend |
| 72 | |
| 73 | #endif // FORTRAN_FRONTEND_PREPROCESSOROPTIONS_H |
| 74 |
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