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14 | pmbaty | 1 | //===- ExtractAPI/AvailabilityInfo.h - Availability Info --------*- 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 | /// |
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9 | /// \file |
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10 | /// This file defines the AvailabilityInfo struct that collects availability |
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11 | /// attributes of a symbol. |
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12 | /// |
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13 | //===----------------------------------------------------------------------===// |
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14 | |||
15 | #ifndef LLVM_CLANG_EXTRACTAPI_AVAILABILITY_INFO_H |
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16 | #define LLVM_CLANG_EXTRACTAPI_AVAILABILITY_INFO_H |
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17 | |||
18 | #include "clang/AST/Decl.h" |
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19 | #include "llvm/ADT/SmallVector.h" |
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20 | #include "llvm/Support/Error.h" |
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21 | #include "llvm/Support/VersionTuple.h" |
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22 | #include "llvm/Support/raw_ostream.h" |
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23 | |||
24 | using llvm::VersionTuple; |
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25 | |||
26 | namespace clang { |
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27 | namespace extractapi { |
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28 | |||
29 | /// Stores availability attributes of a symbol in a given domain. |
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30 | struct AvailabilityInfo { |
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31 | /// The domain for which this availability info item applies |
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32 | std::string Domain; |
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33 | VersionTuple Introduced; |
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34 | VersionTuple Deprecated; |
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35 | VersionTuple Obsoleted; |
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36 | |||
37 | AvailabilityInfo() = default; |
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38 | |||
39 | AvailabilityInfo(StringRef Domain, VersionTuple I, VersionTuple D, |
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40 | VersionTuple O) |
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41 | : Domain(Domain), Introduced(I), Deprecated(D), Obsoleted(O) {} |
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42 | }; |
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43 | |||
44 | class AvailabilitySet { |
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45 | private: |
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46 | using AvailabilityList = llvm::SmallVector<AvailabilityInfo, 4>; |
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47 | AvailabilityList Availabilities; |
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48 | |||
49 | bool UnconditionallyDeprecated = false; |
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50 | bool UnconditionallyUnavailable = false; |
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51 | |||
52 | public: |
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53 | AvailabilitySet(const Decl *Decl); |
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54 | AvailabilitySet() = default; |
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55 | |||
56 | AvailabilityList::const_iterator begin() const { |
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57 | return Availabilities.begin(); |
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58 | } |
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59 | |||
60 | AvailabilityList::const_iterator end() const { return Availabilities.end(); } |
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61 | |||
62 | /// Check if the symbol is unconditionally deprecated. |
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63 | /// |
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64 | /// i.e. \code __attribute__((deprecated)) \endcode |
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65 | bool isUnconditionallyDeprecated() const { return UnconditionallyDeprecated; } |
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66 | |||
67 | /// Check if the symbol is unconditionally unavailable. |
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68 | /// |
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69 | /// i.e. \code __attribute__((unavailable)) \endcode |
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70 | bool isUnconditionallyUnavailable() const { |
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71 | return UnconditionallyUnavailable; |
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72 | } |
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73 | |||
74 | /// Determine if this AvailabilitySet represents default availability. |
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75 | bool isDefault() const { return Availabilities.empty(); } |
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76 | }; |
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77 | |||
78 | } // namespace extractapi |
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79 | } // namespace clang |
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80 | |||
81 | #endif // LLVM_CLANG_EXTRACTAPI_AVAILABILITY_INFO_H |