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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 14 | pmbaty | 1 | //===- FileOffset.h - Offset in a file --------------------------*- C++ -*-===// |
| 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 | |||
| 9 | #ifndef LLVM_CLANG_EDIT_FILEOFFSET_H |
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| 10 | #define LLVM_CLANG_EDIT_FILEOFFSET_H |
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| 11 | |||
| 12 | #include "clang/Basic/SourceLocation.h" |
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| 13 | #include <tuple> |
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| 14 | |||
| 15 | namespace clang { |
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| 16 | namespace edit { |
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| 17 | |||
| 18 | class FileOffset { |
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| 19 | FileID FID; |
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| 20 | unsigned Offs = 0; |
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| 21 | |||
| 22 | public: |
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| 23 | FileOffset() = default; |
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| 24 | FileOffset(FileID fid, unsigned offs) : FID(fid), Offs(offs) {} |
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| 25 | |||
| 26 | bool isInvalid() const { return FID.isInvalid(); } |
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| 27 | |||
| 28 | FileID getFID() const { return FID; } |
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| 29 | unsigned getOffset() const { return Offs; } |
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| 30 | |||
| 31 | FileOffset getWithOffset(unsigned offset) const { |
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| 32 | FileOffset NewOffs = *this; |
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| 33 | NewOffs.Offs += offset; |
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| 34 | return NewOffs; |
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| 35 | } |
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| 36 | |||
| 37 | friend bool operator==(FileOffset LHS, FileOffset RHS) { |
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| 38 | return LHS.FID == RHS.FID && LHS.Offs == RHS.Offs; |
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| 39 | } |
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| 40 | |||
| 41 | friend bool operator!=(FileOffset LHS, FileOffset RHS) { |
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| 42 | return !(LHS == RHS); |
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| 43 | } |
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| 44 | |||
| 45 | friend bool operator<(FileOffset LHS, FileOffset RHS) { |
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| 46 | return std::tie(LHS.FID, LHS.Offs) < std::tie(RHS.FID, RHS.Offs); |
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| 47 | } |
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| 48 | |||
| 49 | friend bool operator>(FileOffset LHS, FileOffset RHS) { |
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| 50 | return RHS < LHS; |
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| 51 | } |
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| 52 | |||
| 53 | friend bool operator>=(FileOffset LHS, FileOffset RHS) { |
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| 54 | return !(LHS < RHS); |
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| 55 | } |
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| 56 | |||
| 57 | friend bool operator<=(FileOffset LHS, FileOffset RHS) { |
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| 58 | return !(RHS < LHS); |
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| 59 | } |
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| 60 | }; |
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| 61 | |||
| 62 | } // namespace edit |
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| 63 | } // namespace clang |
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| 64 | |||
| 65 | #endif // LLVM_CLANG_EDIT_FILEOFFSET_H |