| 1 | //===- unittest/Format/FormatTestUtils.h - Formatting unit tests ----------===// |
|---|---|
| 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 defines utility functions for Clang-Format related tests. |
| 10 | // |
| 11 | //===----------------------------------------------------------------------===// |
| 12 | |
| 13 | #ifndef LLVM_CLANG_UNITTESTS_FORMAT_FORMATTESTUTILS_H |
| 14 | #define LLVM_CLANG_UNITTESTS_FORMAT_FORMATTESTUTILS_H |
| 15 | |
| 16 | #include "llvm/ADT/StringRef.h" |
| 17 | |
| 18 | namespace clang { |
| 19 | namespace format { |
| 20 | namespace test { |
| 21 | |
| 22 | inline std::string messUp(llvm::StringRef Code) { |
| 23 | std::string MessedUp(Code.str()); |
| 24 | bool InComment = false; |
| 25 | bool InPreprocessorDirective = false; |
| 26 | bool JustReplacedNewline = false; |
| 27 | for (unsigned i = 0, e = MessedUp.size() - 1; i != e; ++i) { |
| 28 | if (MessedUp[i] == '/' && MessedUp[i + 1] == '/') { |
| 29 | if (JustReplacedNewline) |
| 30 | MessedUp[i - 1] = '\n'; |
| 31 | InComment = true; |
| 32 | } else if (MessedUp[i] == '#' && |
| 33 | (JustReplacedNewline || i == 0 || MessedUp[i - 1] == '\n')) { |
| 34 | if (i != 0) |
| 35 | MessedUp[i - 1] = '\n'; |
| 36 | InPreprocessorDirective = true; |
| 37 | } else if (MessedUp[i] == '\\' && MessedUp[i + 1] == '\n') { |
| 38 | MessedUp[i] = ' '; |
| 39 | MessedUp[i + 1] = ' '; |
| 40 | } else if (MessedUp[i] == '\n') { |
| 41 | if (InComment) { |
| 42 | InComment = false; |
| 43 | } else if (InPreprocessorDirective) { |
| 44 | InPreprocessorDirective = false; |
| 45 | } else { |
| 46 | JustReplacedNewline = true; |
| 47 | MessedUp[i] = ' '; |
| 48 | } |
| 49 | } else if (MessedUp[i] != ' ') { |
| 50 | JustReplacedNewline = false; |
| 51 | } |
| 52 | } |
| 53 | std::string WithoutWhitespace; |
| 54 | if (MessedUp[0] != ' ') |
| 55 | WithoutWhitespace.push_back(MessedUp[0]); |
| 56 | for (unsigned i = 1, e = MessedUp.size(); i != e; ++i) { |
| 57 | if (MessedUp[i] != ' ' || MessedUp[i - 1] != ' ') |
| 58 | WithoutWhitespace.push_back(MessedUp[i]); |
| 59 | } |
| 60 | return WithoutWhitespace; |
| 61 | } |
| 62 | |
| 63 | } // end namespace test |
| 64 | } // end namespace format |
| 65 | } // end namespace clang |
| 66 | |
| 67 | #endif |
| 68 |