Coverage Report

Created: 2020-02-18 08:44

/Users/buildslave/jenkins/workspace/coverage/llvm-project/clang/include/clang/Serialization/ASTBitCodes.h
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//===- ASTBitCodes.h - Enum values for the PCH bitcode format ---*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This header defines Bitcode enum values for Clang serialized AST files.
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//
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// The enum values defined in this file should be considered permanent.  If
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// new features are added, they should have values added at the end of the
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// respective lists.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_SERIALIZATION_ASTBITCODES_H
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#define LLVM_CLANG_SERIALIZATION_ASTBITCODES_H
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#include "clang/AST/DeclarationName.h"
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#include "clang/AST/Type.h"
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#include "clang/Basic/IdentifierTable.h"
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#include "clang/Basic/OperatorKinds.h"
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#include "clang/Basic/SourceLocation.h"
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#include "llvm/ADT/DenseMapInfo.h"
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#include "llvm/Bitstream/BitCodes.h"
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#include <cassert>
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#include <cstdint>
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namespace clang {
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namespace serialization {
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    /// AST file major version number supported by this version of
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    /// Clang.
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    ///
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    /// Whenever the AST file format changes in a way that makes it
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    /// incompatible with previous versions (such that a reader
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    /// designed for the previous version could not support reading
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    /// the new version), this number should be increased.
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    ///
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    /// Version 4 of AST files also requires that the version control branch and
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    /// revision match exactly, since there is no backward compatibility of
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    /// AST files at this time.
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    const unsigned VERSION_MAJOR = 9;
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46
    /// AST file minor version number supported by this version of
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    /// Clang.
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    ///
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    /// Whenever the AST format changes in a way that is still
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    /// compatible with previous versions (such that a reader designed
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    /// for the previous version could still support reading the new
52
    /// version by ignoring new kinds of subblocks), this number
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    /// should be increased.
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    const unsigned VERSION_MINOR = 0;
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56
    /// An ID number that refers to an identifier in an AST file.
57
    ///
58
    /// The ID numbers of identifiers are consecutive (in order of discovery)
59
    /// and start at 1. 0 is reserved for NULL.
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    using IdentifierID = uint32_t;
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62
    /// An ID number that refers to a declaration in an AST file.
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    ///
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    /// The ID numbers of declarations are consecutive (in order of
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    /// discovery), with values below NUM_PREDEF_DECL_IDS being reserved.
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    /// At the start of a chain of precompiled headers, declaration ID 1 is
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    /// used for the translation unit declaration.
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    using DeclID = uint32_t;
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    // FIXME: Turn these into classes so we can have some type safety when
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    // we go from local ID to global and vice-versa.
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    using LocalDeclID = DeclID;
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    using GlobalDeclID = DeclID;
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    /// An ID number that refers to a type in an AST file.
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    ///
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    /// The ID of a type is partitioned into two parts: the lower
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    /// three bits are used to store the const/volatile/restrict
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    /// qualifiers (as with QualType) and the upper bits provide a
80
    /// type index. The type index values are partitioned into two
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    /// sets. The values below NUM_PREDEF_TYPE_IDs are predefined type
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    /// IDs (based on the PREDEF_TYPE_*_ID constants), with 0 as a
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    /// placeholder for "no type". Values from NUM_PREDEF_TYPE_IDs are
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    /// other types that have serialized representations.
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    using TypeID = uint32_t;
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    /// A type index; the type ID with the qualifier bits removed.
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    class TypeIdx {
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      uint32_t Idx = 0;
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    public:
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2.37M
      TypeIdx() = default;
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6.81M
      explicit TypeIdx(uint32_t index) : Idx(index) {}
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20.0M
      uint32_t getIndex() const { return Idx; }
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17.3M
      TypeID asTypeID(unsigned FastQuals) const {
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17.3M
        if (Idx == uint32_t(-1))
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0
          return TypeID(-1);
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17.3M
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17.3M
        return (Idx << Qualifiers::FastWidth) | FastQuals;
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17.3M
      }
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85.2k
      static TypeIdx fromTypeID(TypeID ID) {
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85.2k
        if (ID == TypeID(-1))
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0
          return TypeIdx(-1);
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85.2k
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85.2k
        return TypeIdx(ID >> Qualifiers::FastWidth);
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85.2k
      }
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    };
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    /// A structure for putting "fast"-unqualified QualTypes into a
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    /// DenseMap.  This uses the standard pointer hash function.
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    struct UnsafeQualTypeDenseMapInfo {
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122M
      static bool isEqual(QualType A, QualType B) { return A == B; }
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20.6M
      static QualType getEmptyKey() {
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20.6M
        return QualType::getFromOpaquePtr((void*) 1);
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20.6M
      }
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18.2M
      static QualType getTombstoneKey() {
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18.2M
        return QualType::getFromOpaquePtr((void*) 2);
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18.2M
      }
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18.2M
      static unsigned getHashValue(QualType T) {
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18.2M
        assert(!T.getLocalFastQualifiers() &&
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18.2M
               "hash invalid for types with fast quals");
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18.2M
        uintptr_t v = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr());
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18.2M
        return (unsigned(v) >> 4) ^ (unsigned(v) >> 9);
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18.2M
      }
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    };
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    /// An ID number that refers to an identifier in an AST file.
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    using IdentID = uint32_t;
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    /// The number of predefined identifier IDs.
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    const unsigned int NUM_PREDEF_IDENT_IDS = 1;
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    /// An ID number that refers to a macro in an AST file.
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    using MacroID = uint32_t;
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    /// A global ID number that refers to a macro in an AST file.
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    using GlobalMacroID = uint32_t;
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    /// A local to a module ID number that refers to a macro in an
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    /// AST file.
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    using LocalMacroID = uint32_t;
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    /// The number of predefined macro IDs.
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    const unsigned int NUM_PREDEF_MACRO_IDS = 1;
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    /// An ID number that refers to an ObjC selector in an AST file.
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    using SelectorID = uint32_t;
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    /// The number of predefined selector IDs.
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    const unsigned int NUM_PREDEF_SELECTOR_IDS = 1;
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    /// An ID number that refers to a set of CXXBaseSpecifiers in an
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    /// AST file.
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    using CXXBaseSpecifiersID = uint32_t;
161
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    /// An ID number that refers to a list of CXXCtorInitializers in an
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    /// AST file.
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    using CXXCtorInitializersID = uint32_t;
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    /// An ID number that refers to an entity in the detailed
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    /// preprocessing record.
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    using PreprocessedEntityID = uint32_t;
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    /// An ID number that refers to a submodule in a module file.
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    using SubmoduleID = uint32_t;
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    /// The number of predefined submodule IDs.
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    const unsigned int NUM_PREDEF_SUBMODULE_IDS = 1;
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    /// Source range/offset of a preprocessed entity.
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    struct PPEntityOffset {
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      /// Raw source location of beginning of range.
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      unsigned Begin;
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      /// Raw source location of end of range.
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      unsigned End;
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      /// Offset in the AST file.
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      uint32_t BitOffset;
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      PPEntityOffset(SourceRange R, uint32_t BitOffset)
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        : Begin(R.getBegin().getRawEncoding()),
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60.3k
          End(R.getEnd().getRawEncoding()), BitOffset(BitOffset) {}
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58.5k
      SourceLocation getBegin() const {
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58.5k
        return SourceLocation::getFromRawEncoding(Begin);
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58.5k
      }
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55.1k
      SourceLocation getEnd() const {
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55.1k
        return SourceLocation::getFromRawEncoding(End);
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55.1k
      }
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    };
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    /// Source range of a skipped preprocessor region
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    struct PPSkippedRange {
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      /// Raw source location of beginning of range.
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      unsigned Begin;
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      /// Raw source location of end of range.
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      unsigned End;
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      PPSkippedRange(SourceRange R)
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        : Begin(R.getBegin().getRawEncoding()),
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          End(R.getEnd().getRawEncoding()) { }
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211
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      SourceLocation getBegin() const {
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24
        return SourceLocation::getFromRawEncoding(Begin);
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      }
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24
      SourceLocation getEnd() const {
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        return SourceLocation::getFromRawEncoding(End);
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24
      }
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    };
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    /// Source range/offset of a preprocessed entity.
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    struct DeclOffset {
221
      /// Raw source location.
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      unsigned Loc = 0;
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      /// Offset in the AST file.
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      uint32_t BitOffset = 0;
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0
      DeclOffset() = default;
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      DeclOffset(SourceLocation Loc, uint32_t BitOffset)
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3.88M
        : Loc(Loc.getRawEncoding()), BitOffset(BitOffset) {}
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0
      void setLocation(SourceLocation L) {
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0
        Loc = L.getRawEncoding();
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0
      }
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4.69M
      SourceLocation getLocation() const {
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4.69M
        return SourceLocation::getFromRawEncoding(Loc);
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4.69M
      }
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    };
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    /// The number of predefined preprocessed entity IDs.
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    const unsigned int NUM_PREDEF_PP_ENTITY_IDS = 1;
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    /// Describes the various kinds of blocks that occur within
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    /// an AST file.
245
    enum BlockIDs {
246
      /// The AST block, which acts as a container around the
247
      /// full AST block.
248
      AST_BLOCK_ID = llvm::bitc::FIRST_APPLICATION_BLOCKID,
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250
      /// The block containing information about the source
251
      /// manager.
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      SOURCE_MANAGER_BLOCK_ID,
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      /// The block containing information about the
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      /// preprocessor.
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      PREPROCESSOR_BLOCK_ID,
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      /// The block containing the definitions of all of the
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      /// types and decls used within the AST file.
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      DECLTYPES_BLOCK_ID,
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      /// The block containing the detailed preprocessing record.
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      PREPROCESSOR_DETAIL_BLOCK_ID,
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      /// The block containing the submodule structure.
266
      SUBMODULE_BLOCK_ID,
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268
      /// The block containing comments.
269
      COMMENTS_BLOCK_ID,
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      /// The control block, which contains all of the
272
      /// information that needs to be validated prior to committing
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      /// to loading the AST file.
274
      CONTROL_BLOCK_ID,
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      /// The block of input files, which were used as inputs
277
      /// to create this AST file.
278
      ///
279
      /// This block is part of the control block.
280
      INPUT_FILES_BLOCK_ID,
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282
      /// The block of configuration options, used to check that
283
      /// a module is being used in a configuration compatible with the
284
      /// configuration in which it was built.
285
      ///
286
      /// This block is part of the control block.
287
      OPTIONS_BLOCK_ID,
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      /// A block containing a module file extension.
290
      EXTENSION_BLOCK_ID,
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      /// A block with unhashed content.
293
      ///
294
      /// These records should not change the \a ASTFileSignature.  See \a
295
      /// UnhashedControlBlockRecordTypes for the list of records.
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      UNHASHED_CONTROL_BLOCK_ID,
297
    };
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299
    /// Record types that occur within the control block.
300
    enum ControlRecordTypes {
301
      /// AST file metadata, including the AST file version number
302
      /// and information about the compiler used to build this AST file.
303
      METADATA = 1,
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305
      /// Record code for the list of other AST files imported by
306
      /// this AST file.
307
      IMPORTS,
308
309
      /// Record code for the original file that was used to
310
      /// generate the AST file, including both its file ID and its
311
      /// name.
312
      ORIGINAL_FILE,
313
314
      /// The directory that the PCH was originally created in.
315
      ORIGINAL_PCH_DIR,
316
317
      /// Record code for file ID of the file or buffer that was used to
318
      /// generate the AST file.
319
      ORIGINAL_FILE_ID,
320
321
      /// Offsets into the input-files block where input files
322
      /// reside.
323
      INPUT_FILE_OFFSETS,
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325
      /// Record code for the module name.
326
      MODULE_NAME,
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328
      /// Record code for the module map file that was used to build this
329
      /// AST file.
330
      MODULE_MAP_FILE,
331
332
      /// Record code for the module build directory.
333
      MODULE_DIRECTORY,
334
    };
335
336
    /// Record types that occur within the options block inside
337
    /// the control block.
338
    enum OptionsRecordTypes {
339
      /// Record code for the language options table.
340
      ///
341
      /// The record with this code contains the contents of the
342
      /// LangOptions structure. We serialize the entire contents of
343
      /// the structure, and let the reader decide which options are
344
      /// actually important to check.
345
      LANGUAGE_OPTIONS = 1,
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347
      /// Record code for the target options table.
348
      TARGET_OPTIONS,
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350
      /// Record code for the filesystem options table.
351
      FILE_SYSTEM_OPTIONS,
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353
      /// Record code for the headers search options table.
354
      HEADER_SEARCH_OPTIONS,
355
356
      /// Record code for the preprocessor options table.
357
      PREPROCESSOR_OPTIONS,
358
    };
359
360
    /// Record codes for the unhashed control block.
361
    enum UnhashedControlBlockRecordTypes {
362
      /// Record code for the signature that identifiers this AST file.
363
      SIGNATURE = 1,
364
365
      /// Record code for the diagnostic options table.
366
      DIAGNOSTIC_OPTIONS,
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368
      /// Record code for \#pragma diagnostic mappings.
369
      DIAG_PRAGMA_MAPPINGS,
370
    };
371
372
    /// Record code for extension blocks.
373
    enum ExtensionBlockRecordTypes {
374
      /// Metadata describing this particular extension.
375
      EXTENSION_METADATA = 1,
376
377
      /// The first record ID allocated to the extensions themselves.
378
      FIRST_EXTENSION_RECORD_ID = 4
379
    };
380
381
    /// Record types that occur within the input-files block
382
    /// inside the control block.
383
    enum InputFileRecordTypes {
384
      /// An input file.
385
      INPUT_FILE = 1,
386
387
      /// The input file content hash
388
      INPUT_FILE_HASH
389
    };
390
391
    /// Record types that occur within the AST block itself.
392
    enum ASTRecordTypes {
393
      /// Record code for the offsets of each type.
394
      ///
395
      /// The TYPE_OFFSET constant describes the record that occurs
396
      /// within the AST block. The record itself is an array of offsets that
397
      /// point into the declarations and types block (identified by
398
      /// DECLTYPES_BLOCK_ID). The index into the array is based on the ID
399
      /// of a type. For a given type ID @c T, the lower three bits of
400
      /// @c T are its qualifiers (const, volatile, restrict), as in
401
      /// the QualType class. The upper bits, after being shifted and
402
      /// subtracting NUM_PREDEF_TYPE_IDS, are used to index into the
403
      /// TYPE_OFFSET block to determine the offset of that type's
404
      /// corresponding record within the DECLTYPES_BLOCK_ID block.
405
      TYPE_OFFSET = 1,
406
407
      /// Record code for the offsets of each decl.
408
      ///
409
      /// The DECL_OFFSET constant describes the record that occurs
410
      /// within the block identified by DECL_OFFSETS_BLOCK_ID within
411
      /// the AST block. The record itself is an array of offsets that
412
      /// point into the declarations and types block (identified by
413
      /// DECLTYPES_BLOCK_ID). The declaration ID is an index into this
414
      /// record, after subtracting one to account for the use of
415
      /// declaration ID 0 for a NULL declaration pointer. Index 0 is
416
      /// reserved for the translation unit declaration.
417
      DECL_OFFSET = 2,
418
419
      /// Record code for the table of offsets of each
420
      /// identifier ID.
421
      ///
422
      /// The offset table contains offsets into the blob stored in
423
      /// the IDENTIFIER_TABLE record. Each offset points to the
424
      /// NULL-terminated string that corresponds to that identifier.
425
      IDENTIFIER_OFFSET = 3,
426
427
      /// This is so that older clang versions, before the introduction
428
      /// of the control block, can read and reject the newer PCH format.
429
      /// *DON'T CHANGE THIS NUMBER*.
430
      METADATA_OLD_FORMAT = 4,
431
432
      /// Record code for the identifier table.
433
      ///
434
      /// The identifier table is a simple blob that contains
435
      /// NULL-terminated strings for all of the identifiers
436
      /// referenced by the AST file. The IDENTIFIER_OFFSET table
437
      /// contains the mapping from identifier IDs to the characters
438
      /// in this blob. Note that the starting offsets of all of the
439
      /// identifiers are odd, so that, when the identifier offset
440
      /// table is loaded in, we can use the low bit to distinguish
441
      /// between offsets (for unresolved identifier IDs) and
442
      /// IdentifierInfo pointers (for already-resolved identifier
443
      /// IDs).
444
      IDENTIFIER_TABLE = 5,
445
446
      /// Record code for the array of eagerly deserialized decls.
447
      ///
448
      /// The AST file contains a list of all of the declarations that should be
449
      /// eagerly deserialized present within the parsed headers, stored as an
450
      /// array of declaration IDs. These declarations will be
451
      /// reported to the AST consumer after the AST file has been
452
      /// read, since their presence can affect the semantics of the
453
      /// program (e.g., for code generation).
454
      EAGERLY_DESERIALIZED_DECLS = 6,
455
456
      /// Record code for the set of non-builtin, special
457
      /// types.
458
      ///
459
      /// This record contains the type IDs for the various type nodes
460
      /// that are constructed during semantic analysis (e.g.,
461
      /// __builtin_va_list). The SPECIAL_TYPE_* constants provide
462
      /// offsets into this record.
463
      SPECIAL_TYPES = 7,
464
465
      /// Record code for the extra statistics we gather while
466
      /// generating an AST file.
467
      STATISTICS = 8,
468
469
      /// Record code for the array of tentative definitions.
470
      TENTATIVE_DEFINITIONS = 9,
471
472
      // ID 10 used to be for a list of extern "C" declarations.
473
474
      /// Record code for the table of offsets into the
475
      /// Objective-C method pool.
476
      SELECTOR_OFFSETS = 11,
477
478
      /// Record code for the Objective-C method pool,
479
      METHOD_POOL = 12,
480
481
      /// The value of the next __COUNTER__ to dispense.
482
      /// [PP_COUNTER_VALUE, Val]
483
      PP_COUNTER_VALUE = 13,
484
485
      /// Record code for the table of offsets into the block
486
      /// of source-location information.
487
      SOURCE_LOCATION_OFFSETS = 14,
488
489
      /// Record code for the set of source location entries
490
      /// that need to be preloaded by the AST reader.
491
      ///
492
      /// This set contains the source location entry for the
493
      /// predefines buffer and for any file entries that need to be
494
      /// preloaded.
495
      SOURCE_LOCATION_PRELOADS = 15,
496
497
      /// Record code for the set of ext_vector type names.
498
      EXT_VECTOR_DECLS = 16,
499
500
      /// Record code for the array of unused file scoped decls.
501
      UNUSED_FILESCOPED_DECLS = 17,
502
503
      /// Record code for the table of offsets to entries in the
504
      /// preprocessing record.
505
      PPD_ENTITIES_OFFSETS = 18,
506
507
      /// Record code for the array of VTable uses.
508
      VTABLE_USES = 19,
509
510
      // ID 20 used to be for a list of dynamic classes.
511
512
      /// Record code for referenced selector pool.
513
      REFERENCED_SELECTOR_POOL = 21,
514
515
      /// Record code for an update to the TU's lexically contained
516
      /// declarations.
517
      TU_UPDATE_LEXICAL = 22,
518
519
      // ID 23 used to be for a list of local redeclarations.
520
521
      /// Record code for declarations that Sema keeps references of.
522
      SEMA_DECL_REFS = 24,
523
524
      /// Record code for weak undeclared identifiers.
525
      WEAK_UNDECLARED_IDENTIFIERS = 25,
526
527
      /// Record code for pending implicit instantiations.
528
      PENDING_IMPLICIT_INSTANTIATIONS = 26,
529
530
      // ID 27 used to be for a list of replacement decls.
531
532
      /// Record code for an update to a decl context's lookup table.
533
      ///
534
      /// In practice, this should only be used for the TU and namespaces.
535
      UPDATE_VISIBLE = 28,
536
537
      /// Record for offsets of DECL_UPDATES records for declarations
538
      /// that were modified after being deserialized and need updates.
539
      DECL_UPDATE_OFFSETS = 29,
540
541
      // ID 30 used to be a decl update record. These are now in the DECLTYPES
542
      // block.
543
544
      // ID 31 used to be a list of offsets to DECL_CXX_BASE_SPECIFIERS records.
545
546
      // ID 32 used to be the code for \#pragma diagnostic mappings.
547
548
      /// Record code for special CUDA declarations.
549
      CUDA_SPECIAL_DECL_REFS = 33,
550
551
      /// Record code for header search information.
552
      HEADER_SEARCH_TABLE = 34,
553
554
      /// Record code for floating point \#pragma options.
555
      FP_PRAGMA_OPTIONS = 35,
556
557
      /// Record code for enabled OpenCL extensions.
558
      OPENCL_EXTENSIONS = 36,
559
560
      /// The list of delegating constructor declarations.
561
      DELEGATING_CTORS = 37,
562
563
      /// Record code for the set of known namespaces, which are used
564
      /// for typo correction.
565
      KNOWN_NAMESPACES = 38,
566
567
      /// Record code for the remapping information used to relate
568
      /// loaded modules to the various offsets and IDs(e.g., source location
569
      /// offests, declaration and type IDs) that are used in that module to
570
      /// refer to other modules.
571
      MODULE_OFFSET_MAP = 39,
572
573
      /// Record code for the source manager line table information,
574
      /// which stores information about \#line directives.
575
      SOURCE_MANAGER_LINE_TABLE = 40,
576
577
      /// Record code for map of Objective-C class definition IDs to the
578
      /// ObjC categories in a module that are attached to that class.
579
      OBJC_CATEGORIES_MAP = 41,
580
581
      /// Record code for a file sorted array of DeclIDs in a module.
582
      FILE_SORTED_DECLS = 42,
583
584
      /// Record code for an array of all of the (sub)modules that were
585
      /// imported by the AST file.
586
      IMPORTED_MODULES = 43,
587
588
      // ID 44 used to be a table of merged canonical declarations.
589
      // ID 45 used to be a list of declaration IDs of local redeclarations.
590
591
      /// Record code for the array of Objective-C categories (including
592
      /// extensions).
593
      ///
594
      /// This array can only be interpreted properly using the Objective-C
595
      /// categories map.
596
      OBJC_CATEGORIES = 46,
597
598
      /// Record code for the table of offsets of each macro ID.
599
      ///
600
      /// The offset table contains offsets into the blob stored in
601
      /// the preprocessor block. Each offset points to the corresponding
602
      /// macro definition.
603
      MACRO_OFFSET = 47,
604
605
      /// A list of "interesting" identifiers. Only used in C++ (where we
606
      /// don't normally do lookups into the serialized identifier table). These
607
      /// are eagerly deserialized.
608
      INTERESTING_IDENTIFIERS = 48,
609
610
      /// Record code for undefined but used functions and variables that
611
      /// need a definition in this TU.
612
      UNDEFINED_BUT_USED = 49,
613
614
      /// Record code for late parsed template functions.
615
      LATE_PARSED_TEMPLATE = 50,
616
617
      /// Record code for \#pragma optimize options.
618
      OPTIMIZE_PRAGMA_OPTIONS = 51,
619
620
      /// Record code for potentially unused local typedef names.
621
      UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES = 52,
622
623
      // ID 53 used to be a table of constructor initializer records.
624
625
      /// Delete expressions that will be analyzed later.
626
      DELETE_EXPRS_TO_ANALYZE = 54,
627
628
      /// Record code for \#pragma ms_struct options.
629
      MSSTRUCT_PRAGMA_OPTIONS = 55,
630
631
      /// Record code for \#pragma ms_struct options.
632
      POINTERS_TO_MEMBERS_PRAGMA_OPTIONS = 56,
633
634
      /// Number of unmatched #pragma clang cuda_force_host_device begin
635
      /// directives we've seen.
636
      CUDA_PRAGMA_FORCE_HOST_DEVICE_DEPTH = 57,
637
638
      /// Record code for types associated with OpenCL extensions.
639
      OPENCL_EXTENSION_TYPES = 58,
640
641
      /// Record code for declarations associated with OpenCL extensions.
642
      OPENCL_EXTENSION_DECLS = 59,
643
644
      MODULAR_CODEGEN_DECLS = 60,
645
646
      /// Record code for \#pragma pack options.
647
      PACK_PRAGMA_OPTIONS = 61,
648
649
      /// The stack of open #ifs/#ifdefs recorded in a preamble.
650
      PP_CONDITIONAL_STACK = 62,
651
652
      /// A table of skipped ranges within the preprocessing record.
653
      PPD_SKIPPED_RANGES = 63
654
    };
655
656
    /// Record types used within a source manager block.
657
    enum SourceManagerRecordTypes {
658
      /// Describes a source location entry (SLocEntry) for a
659
      /// file.
660
      SM_SLOC_FILE_ENTRY = 1,
661
662
      /// Describes a source location entry (SLocEntry) for a
663
      /// buffer.
664
      SM_SLOC_BUFFER_ENTRY = 2,
665
666
      /// Describes a blob that contains the data for a buffer
667
      /// entry. This kind of record always directly follows a
668
      /// SM_SLOC_BUFFER_ENTRY record or a SM_SLOC_FILE_ENTRY with an
669
      /// overridden buffer.
670
      SM_SLOC_BUFFER_BLOB = 3,
671
672
      /// Describes a zlib-compressed blob that contains the data for
673
      /// a buffer entry.
674
      SM_SLOC_BUFFER_BLOB_COMPRESSED = 4,
675
676
      /// Describes a source location entry (SLocEntry) for a
677
      /// macro expansion.
678
      SM_SLOC_EXPANSION_ENTRY = 5
679
    };
680
681
    /// Record types used within a preprocessor block.
682
    enum PreprocessorRecordTypes {
683
      // The macros in the PP section are a PP_MACRO_* instance followed by a
684
      // list of PP_TOKEN instances for each token in the definition.
685
686
      /// An object-like macro definition.
687
      /// [PP_MACRO_OBJECT_LIKE, IdentInfoID, SLoc, IsUsed]
688
      PP_MACRO_OBJECT_LIKE = 1,
689
690
      /// A function-like macro definition.
691
      /// [PP_MACRO_FUNCTION_LIKE, \<ObjectLikeStuff>, IsC99Varargs,
692
      /// IsGNUVarars, NumArgs, ArgIdentInfoID* ]
693
      PP_MACRO_FUNCTION_LIKE = 2,
694
695
      /// Describes one token.
696
      /// [PP_TOKEN, SLoc, Length, IdentInfoID, Kind, Flags]
697
      PP_TOKEN = 3,
698
699
      /// The macro directives history for a particular identifier.
700
      PP_MACRO_DIRECTIVE_HISTORY = 4,
701
702
      /// A macro directive exported by a module.
703
      /// [PP_MODULE_MACRO, SubmoduleID, MacroID, (Overridden SubmoduleID)*]
704
      PP_MODULE_MACRO = 5,
705
    };
706
707
    /// Record types used within a preprocessor detail block.
708
    enum PreprocessorDetailRecordTypes {
709
      /// Describes a macro expansion within the preprocessing record.
710
      PPD_MACRO_EXPANSION = 0,
711
712
      /// Describes a macro definition within the preprocessing record.
713
      PPD_MACRO_DEFINITION = 1,
714
715
      /// Describes an inclusion directive within the preprocessing
716
      /// record.
717
      PPD_INCLUSION_DIRECTIVE = 2
718
    };
719
720
    /// Record types used within a submodule description block.
721
    enum SubmoduleRecordTypes {
722
      /// Metadata for submodules as a whole.
723
      SUBMODULE_METADATA = 0,
724
725
      /// Defines the major attributes of a submodule, including its
726
      /// name and parent.
727
      SUBMODULE_DEFINITION = 1,
728
729
      /// Specifies the umbrella header used to create this module,
730
      /// if any.
731
      SUBMODULE_UMBRELLA_HEADER = 2,
732
733
      /// Specifies a header that falls into this (sub)module.
734
      SUBMODULE_HEADER = 3,
735
736
      /// Specifies a top-level header that falls into this (sub)module.
737
      SUBMODULE_TOPHEADER = 4,
738
739
      /// Specifies an umbrella directory.
740
      SUBMODULE_UMBRELLA_DIR = 5,
741
742
      /// Specifies the submodules that are imported by this
743
      /// submodule.
744
      SUBMODULE_IMPORTS = 6,
745
746
      /// Specifies the submodules that are re-exported from this
747
      /// submodule.
748
      SUBMODULE_EXPORTS = 7,
749
750
      /// Specifies a required feature.
751
      SUBMODULE_REQUIRES = 8,
752
753
      /// Specifies a header that has been explicitly excluded
754
      /// from this submodule.
755
      SUBMODULE_EXCLUDED_HEADER = 9,
756
757
      /// Specifies a library or framework to link against.
758
      SUBMODULE_LINK_LIBRARY = 10,
759
760
      /// Specifies a configuration macro for this module.
761
      SUBMODULE_CONFIG_MACRO = 11,
762
763
      /// Specifies a conflict with another module.
764
      SUBMODULE_CONFLICT = 12,
765
766
      /// Specifies a header that is private to this submodule.
767
      SUBMODULE_PRIVATE_HEADER = 13,
768
769
      /// Specifies a header that is part of the module but must be
770
      /// textually included.
771
      SUBMODULE_TEXTUAL_HEADER = 14,
772
773
      /// Specifies a header that is private to this submodule but
774
      /// must be textually included.
775
      SUBMODULE_PRIVATE_TEXTUAL_HEADER = 15,
776
777
      /// Specifies some declarations with initializers that must be
778
      /// emitted to initialize the module.
779
      SUBMODULE_INITIALIZERS = 16,
780
781
      /// Specifies the name of the module that will eventually
782
      /// re-export the entities in this module.
783
      SUBMODULE_EXPORT_AS = 17,
784
    };
785
786
    /// Record types used within a comments block.
787
    enum CommentRecordTypes {
788
      COMMENTS_RAW_COMMENT = 0
789
    };
790
791
    /// \defgroup ASTAST AST file AST constants
792
    ///
793
    /// The constants in this group describe various components of the
794
    /// abstract syntax tree within an AST file.
795
    ///
796
    /// @{
797
798
    /// Predefined type IDs.
799
    ///
800
    /// These type IDs correspond to predefined types in the AST
801
    /// context, such as built-in types (int) and special place-holder
802
    /// types (the \<overload> and \<dependent> type markers). Such
803
    /// types are never actually serialized, since they will be built
804
    /// by the AST context when it is created.
805
    enum PredefinedTypeIDs {
806
      /// The NULL type.
807
      PREDEF_TYPE_NULL_ID       = 0,
808
809
      /// The void type.
810
      PREDEF_TYPE_VOID_ID       = 1,
811
812
      /// The 'bool' or '_Bool' type.
813
      PREDEF_TYPE_BOOL_ID       = 2,
814
815
      /// The 'char' type, when it is unsigned.
816
      PREDEF_TYPE_CHAR_U_ID     = 3,
817
818
      /// The 'unsigned char' type.
819
      PREDEF_TYPE_UCHAR_ID      = 4,
820
821
      /// The 'unsigned short' type.
822
      PREDEF_TYPE_USHORT_ID     = 5,
823
824
      /// The 'unsigned int' type.
825
      PREDEF_TYPE_UINT_ID       = 6,
826
827
      /// The 'unsigned long' type.
828
      PREDEF_TYPE_ULONG_ID      = 7,
829
830
      /// The 'unsigned long long' type.
831
      PREDEF_TYPE_ULONGLONG_ID  = 8,
832
833
      /// The 'char' type, when it is signed.
834
      PREDEF_TYPE_CHAR_S_ID     = 9,
835
836
      /// The 'signed char' type.
837
      PREDEF_TYPE_SCHAR_ID      = 10,
838
839
      /// The C++ 'wchar_t' type.
840
      PREDEF_TYPE_WCHAR_ID      = 11,
841
842
      /// The (signed) 'short' type.
843
      PREDEF_TYPE_SHORT_ID      = 12,
844
845
      /// The (signed) 'int' type.
846
      PREDEF_TYPE_INT_ID        = 13,
847
848
      /// The (signed) 'long' type.
849
      PREDEF_TYPE_LONG_ID       = 14,
850
851
      /// The (signed) 'long long' type.
852
      PREDEF_TYPE_LONGLONG_ID   = 15,
853
854
      /// The 'float' type.
855
      PREDEF_TYPE_FLOAT_ID      = 16,
856
857
      /// The 'double' type.
858
      PREDEF_TYPE_DOUBLE_ID     = 17,
859
860
      /// The 'long double' type.
861
      PREDEF_TYPE_LONGDOUBLE_ID = 18,
862
863
      /// The placeholder type for overloaded function sets.
864
      PREDEF_TYPE_OVERLOAD_ID   = 19,
865
866
      /// The placeholder type for dependent types.
867
      PREDEF_TYPE_DEPENDENT_ID  = 20,
868
869
      /// The '__uint128_t' type.
870
      PREDEF_TYPE_UINT128_ID    = 21,
871
872
      /// The '__int128_t' type.
873
      PREDEF_TYPE_INT128_ID     = 22,
874
875
      /// The type of 'nullptr'.
876
      PREDEF_TYPE_NULLPTR_ID    = 23,
877
878
      /// The C++ 'char16_t' type.
879
      PREDEF_TYPE_CHAR16_ID     = 24,
880
881
      /// The C++ 'char32_t' type.
882
      PREDEF_TYPE_CHAR32_ID     = 25,
883
884
      /// The ObjC 'id' type.
885
      PREDEF_TYPE_OBJC_ID       = 26,
886
887
      /// The ObjC 'Class' type.
888
      PREDEF_TYPE_OBJC_CLASS    = 27,
889
890
      /// The ObjC 'SEL' type.
891
      PREDEF_TYPE_OBJC_SEL      = 28,
892
893
      /// The 'unknown any' placeholder type.
894
      PREDEF_TYPE_UNKNOWN_ANY   = 29,
895
896
      /// The placeholder type for bound member functions.
897
      PREDEF_TYPE_BOUND_MEMBER  = 30,
898
899
      /// The "auto" deduction type.
900
      PREDEF_TYPE_AUTO_DEDUCT   = 31,
901
902
      /// The "auto &&" deduction type.
903
      PREDEF_TYPE_AUTO_RREF_DEDUCT = 32,
904
905
      /// The OpenCL 'half' / ARM NEON __fp16 type.
906
      PREDEF_TYPE_HALF_ID       = 33,
907
908
      /// ARC's unbridged-cast placeholder type.
909
      PREDEF_TYPE_ARC_UNBRIDGED_CAST = 34,
910
911
      /// The pseudo-object placeholder type.
912
      PREDEF_TYPE_PSEUDO_OBJECT = 35,
913
914
      /// The placeholder type for builtin functions.
915
      PREDEF_TYPE_BUILTIN_FN = 36,
916
917
      /// OpenCL event type.
918
      PREDEF_TYPE_EVENT_ID      = 37,
919
920
      /// OpenCL clk event type.
921
      PREDEF_TYPE_CLK_EVENT_ID  = 38,
922
923
      /// OpenCL sampler type.
924
      PREDEF_TYPE_SAMPLER_ID    = 39,
925
926
      /// OpenCL queue type.
927
      PREDEF_TYPE_QUEUE_ID      = 40,
928
929
      /// OpenCL reserve_id type.
930
      PREDEF_TYPE_RESERVE_ID_ID = 41,
931
932
      /// The placeholder type for OpenMP array section.
933
      PREDEF_TYPE_OMP_ARRAY_SECTION = 42,
934
935
      /// The '__float128' type
936
      PREDEF_TYPE_FLOAT128_ID = 43,
937
938
      /// The '_Float16' type
939
      PREDEF_TYPE_FLOAT16_ID = 44,
940
941
      /// The C++ 'char8_t' type.
942
      PREDEF_TYPE_CHAR8_ID = 45,
943
944
      /// \brief The 'short _Accum' type
945
      PREDEF_TYPE_SHORT_ACCUM_ID    = 46,
946
947
      /// \brief The '_Accum' type
948
      PREDEF_TYPE_ACCUM_ID      = 47,
949
950
      /// \brief The 'long _Accum' type
951
      PREDEF_TYPE_LONG_ACCUM_ID = 48,
952
953
      /// \brief The 'unsigned short _Accum' type
954
      PREDEF_TYPE_USHORT_ACCUM_ID   = 49,
955
956
      /// \brief The 'unsigned _Accum' type
957
      PREDEF_TYPE_UACCUM_ID     = 50,
958
959
      /// \brief The 'unsigned long _Accum' type
960
      PREDEF_TYPE_ULONG_ACCUM_ID    = 51,
961
962
      /// \brief The 'short _Fract' type
963
      PREDEF_TYPE_SHORT_FRACT_ID = 52,
964
965
      /// \brief The '_Fract' type
966
      PREDEF_TYPE_FRACT_ID = 53,
967
968
      /// \brief The 'long _Fract' type
969
      PREDEF_TYPE_LONG_FRACT_ID = 54,
970
971
      /// \brief The 'unsigned short _Fract' type
972
      PREDEF_TYPE_USHORT_FRACT_ID = 55,
973
974
      /// \brief The 'unsigned _Fract' type
975
      PREDEF_TYPE_UFRACT_ID = 56,
976
977
      /// \brief The 'unsigned long _Fract' type
978
      PREDEF_TYPE_ULONG_FRACT_ID = 57,
979
980
      /// \brief The '_Sat short _Accum' type
981
      PREDEF_TYPE_SAT_SHORT_ACCUM_ID = 58,
982
983
      /// \brief The '_Sat _Accum' type
984
      PREDEF_TYPE_SAT_ACCUM_ID = 59,
985
986
      /// \brief The '_Sat long _Accum' type
987
      PREDEF_TYPE_SAT_LONG_ACCUM_ID = 60,
988
989
      /// \brief The '_Sat unsigned short _Accum' type
990
      PREDEF_TYPE_SAT_USHORT_ACCUM_ID = 61,
991
992
      /// \brief The '_Sat unsigned _Accum' type
993
      PREDEF_TYPE_SAT_UACCUM_ID = 62,
994
995
      /// \brief The '_Sat unsigned long _Accum' type
996
      PREDEF_TYPE_SAT_ULONG_ACCUM_ID = 63,
997
998
      /// \brief The '_Sat short _Fract' type
999
      PREDEF_TYPE_SAT_SHORT_FRACT_ID = 64,
1000
1001
      /// \brief The '_Sat _Fract' type
1002
      PREDEF_TYPE_SAT_FRACT_ID = 65,
1003
1004
      /// \brief The '_Sat long _Fract' type
1005
      PREDEF_TYPE_SAT_LONG_FRACT_ID = 66,
1006
1007
      /// \brief The '_Sat unsigned short _Fract' type
1008
      PREDEF_TYPE_SAT_USHORT_FRACT_ID = 67,
1009
1010
      /// \brief The '_Sat unsigned _Fract' type
1011
      PREDEF_TYPE_SAT_UFRACT_ID = 68,
1012
1013
      /// \brief The '_Sat unsigned long _Fract' type
1014
      PREDEF_TYPE_SAT_ULONG_FRACT_ID = 69,
1015
1016
      /// OpenCL image types with auto numeration
1017
#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
1018
      PREDEF_TYPE_##Id##_ID,
1019
#include "clang/Basic/OpenCLImageTypes.def"
1020
      /// \brief OpenCL extension types with auto numeration
1021
#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
1022
      PREDEF_TYPE_##Id##_ID,
1023
#include "clang/Basic/OpenCLExtensionTypes.def"
1024
      // \brief SVE types with auto numeration
1025
#define SVE_TYPE(Name, Id, SingletonId) PREDEF_TYPE_##Id##_ID,
1026
#include "clang/Basic/AArch64SVEACLETypes.def"
1027
    };
1028
1029
    /// The number of predefined type IDs that are reserved for
1030
    /// the PREDEF_TYPE_* constants.
1031
    ///
1032
    /// Type IDs for non-predefined types will start at
1033
    /// NUM_PREDEF_TYPE_IDs.
1034
    const unsigned NUM_PREDEF_TYPE_IDS = 200;
1035
1036
    /// Record codes for each kind of type.
1037
    ///
1038
    /// These constants describe the type records that can occur within a
1039
    /// block identified by DECLTYPES_BLOCK_ID in the AST file. Each
1040
    /// constant describes a record for a specific type class in the
1041
    /// AST. Note that DeclCode values share this code space.
1042
    enum TypeCode {
1043
#define TYPE_BIT_CODE(CLASS_ID, CODE_ID, CODE_VALUE) \
1044
      TYPE_##CODE_ID = CODE_VALUE,
1045
#include "clang/Serialization/TypeBitCodes.def"
1046
1047
      /// An ExtQualType record.
1048
      TYPE_EXT_QUAL = 1
1049
    };
1050
1051
    /// The type IDs for special types constructed by semantic
1052
    /// analysis.
1053
    ///
1054
    /// The constants in this enumeration are indices into the
1055
    /// SPECIAL_TYPES record.
1056
    enum SpecialTypeIDs {
1057
      /// CFConstantString type
1058
      SPECIAL_TYPE_CF_CONSTANT_STRING          = 0,
1059
1060
      /// C FILE typedef type
1061
      SPECIAL_TYPE_FILE                        = 1,
1062
1063
      /// C jmp_buf typedef type
1064
      SPECIAL_TYPE_JMP_BUF                     = 2,
1065
1066
      /// C sigjmp_buf typedef type
1067
      SPECIAL_TYPE_SIGJMP_BUF                  = 3,
1068
1069
      /// Objective-C "id" redefinition type
1070
      SPECIAL_TYPE_OBJC_ID_REDEFINITION        = 4,
1071
1072
      /// Objective-C "Class" redefinition type
1073
      SPECIAL_TYPE_OBJC_CLASS_REDEFINITION     = 5,
1074
1075
      /// Objective-C "SEL" redefinition type
1076
      SPECIAL_TYPE_OBJC_SEL_REDEFINITION       = 6,
1077
1078
      /// C ucontext_t typedef type
1079
      SPECIAL_TYPE_UCONTEXT_T                  = 7
1080
    };
1081
1082
    /// The number of special type IDs.
1083
    const unsigned NumSpecialTypeIDs = 8;
1084
1085
    /// Predefined declaration IDs.
1086
    ///
1087
    /// These declaration IDs correspond to predefined declarations in the AST
1088
    /// context, such as the NULL declaration ID. Such declarations are never
1089
    /// actually serialized, since they will be built by the AST context when
1090
    /// it is created.
1091
    enum PredefinedDeclIDs {
1092
      /// The NULL declaration.
1093
      PREDEF_DECL_NULL_ID = 0,
1094
1095
      /// The translation unit.
1096
      PREDEF_DECL_TRANSLATION_UNIT_ID = 1,
1097
1098
      /// The Objective-C 'id' type.
1099
      PREDEF_DECL_OBJC_ID_ID = 2,
1100
1101
      /// The Objective-C 'SEL' type.
1102
      PREDEF_DECL_OBJC_SEL_ID = 3,
1103
1104
      /// The Objective-C 'Class' type.
1105
      PREDEF_DECL_OBJC_CLASS_ID = 4,
1106
1107
      /// The Objective-C 'Protocol' type.
1108
      PREDEF_DECL_OBJC_PROTOCOL_ID = 5,
1109
1110
      /// The signed 128-bit integer type.
1111
      PREDEF_DECL_INT_128_ID = 6,
1112
1113
      /// The unsigned 128-bit integer type.
1114
      PREDEF_DECL_UNSIGNED_INT_128_ID = 7,
1115
1116
      /// The internal 'instancetype' typedef.
1117
      PREDEF_DECL_OBJC_INSTANCETYPE_ID = 8,
1118
1119
      /// The internal '__builtin_va_list' typedef.
1120
      PREDEF_DECL_BUILTIN_VA_LIST_ID = 9,
1121
1122
      /// The internal '__va_list_tag' struct, if any.
1123
      PREDEF_DECL_VA_LIST_TAG = 10,
1124
1125
      /// The internal '__builtin_ms_va_list' typedef.
1126
      PREDEF_DECL_BUILTIN_MS_VA_LIST_ID = 11,
1127
1128
      /// The extern "C" context.
1129
      PREDEF_DECL_EXTERN_C_CONTEXT_ID = 12,
1130
1131
      /// The internal '__make_integer_seq' template.
1132
      PREDEF_DECL_MAKE_INTEGER_SEQ_ID = 13,
1133
1134
      /// The internal '__NSConstantString' typedef.
1135
      PREDEF_DECL_CF_CONSTANT_STRING_ID = 14,
1136
1137
      /// The internal '__NSConstantString' tag type.
1138
      PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID = 15,
1139
1140
      /// The internal '__type_pack_element' template.
1141
      PREDEF_DECL_TYPE_PACK_ELEMENT_ID = 16,
1142
    };
1143
1144
    /// The number of declaration IDs that are predefined.
1145
    ///
1146
    /// For more information about predefined declarations, see the
1147
    /// \c PredefinedDeclIDs type and the PREDEF_DECL_*_ID constants.
1148
    const unsigned int NUM_PREDEF_DECL_IDS = 17;
1149
1150
    /// Record of updates for a declaration that was modified after
1151
    /// being deserialized. This can occur within DECLTYPES_BLOCK_ID.
1152
    const unsigned int DECL_UPDATES = 49;
1153
1154
    /// Record code for a list of local redeclarations of a declaration.
1155
    /// This can occur within DECLTYPES_BLOCK_ID.
1156
    const unsigned int LOCAL_REDECLARATIONS = 50;
1157
1158
    /// Record codes for each kind of declaration.
1159
    ///
1160
    /// These constants describe the declaration records that can occur within
1161
    /// a declarations block (identified by DECLTYPES_BLOCK_ID). Each
1162
    /// constant describes a record for a specific declaration class
1163
    /// in the AST. Note that TypeCode values share this code space.
1164
    enum DeclCode {
1165
      /// A TypedefDecl record.
1166
      DECL_TYPEDEF = 51,
1167
      /// A TypeAliasDecl record.
1168
1169
      DECL_TYPEALIAS,
1170
1171
      /// An EnumDecl record.
1172
      DECL_ENUM,
1173
1174
      /// A RecordDecl record.
1175
      DECL_RECORD,
1176
1177
      /// An EnumConstantDecl record.
1178
      DECL_ENUM_CONSTANT,
1179
1180
      /// A FunctionDecl record.
1181
      DECL_FUNCTION,
1182
1183
      /// A ObjCMethodDecl record.
1184
      DECL_OBJC_METHOD,
1185
1186
      /// A ObjCInterfaceDecl record.
1187
      DECL_OBJC_INTERFACE,
1188
1189
      /// A ObjCProtocolDecl record.
1190
      DECL_OBJC_PROTOCOL,
1191
1192
      /// A ObjCIvarDecl record.
1193
      DECL_OBJC_IVAR,
1194
1195
      /// A ObjCAtDefsFieldDecl record.
1196
      DECL_OBJC_AT_DEFS_FIELD,
1197
1198
      /// A ObjCCategoryDecl record.
1199
      DECL_OBJC_CATEGORY,
1200
1201
      /// A ObjCCategoryImplDecl record.
1202
      DECL_OBJC_CATEGORY_IMPL,
1203
1204
      /// A ObjCImplementationDecl record.
1205
      DECL_OBJC_IMPLEMENTATION,
1206
1207
      /// A ObjCCompatibleAliasDecl record.
1208
      DECL_OBJC_COMPATIBLE_ALIAS,
1209
1210
      /// A ObjCPropertyDecl record.
1211
      DECL_OBJC_PROPERTY,
1212
1213
      /// A ObjCPropertyImplDecl record.
1214
      DECL_OBJC_PROPERTY_IMPL,
1215
1216
      /// A FieldDecl record.
1217
      DECL_FIELD,
1218
1219
      /// A MSPropertyDecl record.
1220
      DECL_MS_PROPERTY,
1221
1222
      /// A VarDecl record.
1223
      DECL_VAR,
1224
1225
      /// An ImplicitParamDecl record.
1226
      DECL_IMPLICIT_PARAM,
1227
1228
      /// A ParmVarDecl record.
1229
      DECL_PARM_VAR,
1230
1231
      /// A DecompositionDecl record.
1232
      DECL_DECOMPOSITION,
1233
1234
      /// A BindingDecl record.
1235
      DECL_BINDING,
1236
1237
      /// A FileScopeAsmDecl record.
1238
      DECL_FILE_SCOPE_ASM,
1239
1240
      /// A BlockDecl record.
1241
      DECL_BLOCK,
1242
1243
      /// A CapturedDecl record.
1244
      DECL_CAPTURED,
1245
1246
      /// A record that stores the set of declarations that are
1247
      /// lexically stored within a given DeclContext.
1248
      ///
1249
      /// The record itself is a blob that is an array of declaration IDs,
1250
      /// in the order in which those declarations were added to the
1251
      /// declaration context. This data is used when iterating over
1252
      /// the contents of a DeclContext, e.g., via
1253
      /// DeclContext::decls_begin() and DeclContext::decls_end().
1254
      DECL_CONTEXT_LEXICAL,
1255
1256
      /// A record that stores the set of declarations that are
1257
      /// visible from a given DeclContext.
1258
      ///
1259
      /// The record itself stores a set of mappings, each of which
1260
      /// associates a declaration name with one or more declaration
1261
      /// IDs. This data is used when performing qualified name lookup
1262
      /// into a DeclContext via DeclContext::lookup.
1263
      DECL_CONTEXT_VISIBLE,
1264
1265
      /// A LabelDecl record.
1266
      DECL_LABEL,
1267
1268
      /// A NamespaceDecl record.
1269
      DECL_NAMESPACE,
1270
1271
      /// A NamespaceAliasDecl record.
1272
      DECL_NAMESPACE_ALIAS,
1273
1274
      /// A UsingDecl record.
1275
      DECL_USING,
1276
1277
      /// A UsingPackDecl record.
1278
      DECL_USING_PACK,
1279
1280
      /// A UsingShadowDecl record.
1281
      DECL_USING_SHADOW,
1282
1283
      /// A ConstructorUsingShadowDecl record.
1284
      DECL_CONSTRUCTOR_USING_SHADOW,
1285
1286
      /// A UsingDirecitveDecl record.
1287
      DECL_USING_DIRECTIVE,
1288
1289
      /// An UnresolvedUsingValueDecl record.
1290
      DECL_UNRESOLVED_USING_VALUE,
1291
1292
      /// An UnresolvedUsingTypenameDecl record.
1293
      DECL_UNRESOLVED_USING_TYPENAME,
1294
1295
      /// A LinkageSpecDecl record.
1296
      DECL_LINKAGE_SPEC,
1297
1298
      /// An ExportDecl record.
1299
      DECL_EXPORT,
1300
1301
      /// A CXXRecordDecl record.
1302
      DECL_CXX_RECORD,
1303
1304
      /// A CXXDeductionGuideDecl record.
1305
      DECL_CXX_DEDUCTION_GUIDE,
1306
1307
      /// A CXXMethodDecl record.
1308
      DECL_CXX_METHOD,
1309
1310
      /// A CXXConstructorDecl record.
1311
      DECL_CXX_CONSTRUCTOR,
1312
1313
      /// A CXXDestructorDecl record.
1314
      DECL_CXX_DESTRUCTOR,
1315
1316
      /// A CXXConversionDecl record.
1317
      DECL_CXX_CONVERSION,
1318
1319
      /// An AccessSpecDecl record.
1320
      DECL_ACCESS_SPEC,
1321
1322
      /// A FriendDecl record.
1323
      DECL_FRIEND,
1324
1325
      /// A FriendTemplateDecl record.
1326
      DECL_FRIEND_TEMPLATE,
1327
1328
      /// A ClassTemplateDecl record.
1329
      DECL_CLASS_TEMPLATE,
1330
1331
      /// A ClassTemplateSpecializationDecl record.
1332
      DECL_CLASS_TEMPLATE_SPECIALIZATION,
1333
1334
      /// A ClassTemplatePartialSpecializationDecl record.
1335
      DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION,
1336
1337
      /// A VarTemplateDecl record.
1338
      DECL_VAR_TEMPLATE,
1339
1340
      /// A VarTemplateSpecializationDecl record.
1341
      DECL_VAR_TEMPLATE_SPECIALIZATION,
1342
1343
      /// A VarTemplatePartialSpecializationDecl record.
1344
      DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION,
1345
1346
      /// A FunctionTemplateDecl record.
1347
      DECL_FUNCTION_TEMPLATE,
1348
1349
      /// A TemplateTypeParmDecl record.
1350
      DECL_TEMPLATE_TYPE_PARM,
1351
1352
      /// A NonTypeTemplateParmDecl record.
1353
      DECL_NON_TYPE_TEMPLATE_PARM,
1354
1355
      /// A TemplateTemplateParmDecl record.
1356
      DECL_TEMPLATE_TEMPLATE_PARM,
1357
1358
      /// A TypeAliasTemplateDecl record.
1359
      DECL_TYPE_ALIAS_TEMPLATE,
1360
1361
      /// \brief A ConceptDecl record.
1362
      DECL_CONCEPT,
1363
1364
      /// \brief A StaticAssertDecl record.
1365
      DECL_STATIC_ASSERT,
1366
1367
      /// A record containing CXXBaseSpecifiers.
1368
      DECL_CXX_BASE_SPECIFIERS,
1369
1370
      /// A record containing CXXCtorInitializers.
1371
      DECL_CXX_CTOR_INITIALIZERS,
1372
1373
      /// A IndirectFieldDecl record.
1374
      DECL_INDIRECTFIELD,
1375
1376
      /// A NonTypeTemplateParmDecl record that stores an expanded
1377
      /// non-type template parameter pack.
1378
      DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK,
1379
1380
      /// A TemplateTemplateParmDecl record that stores an expanded
1381
      /// template template parameter pack.
1382
      DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK,
1383
1384
      /// A ClassScopeFunctionSpecializationDecl record a class scope
1385
      /// function specialization. (Microsoft extension).
1386
      DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION,
1387
1388
      /// An ImportDecl recording a module import.
1389
      DECL_IMPORT,
1390
1391
      /// An OMPThreadPrivateDecl record.
1392
      DECL_OMP_THREADPRIVATE,
1393
1394
      /// An OMPRequiresDecl record.
1395
      DECL_OMP_REQUIRES,
1396
1397
      /// An OMPAllocateDcl record.
1398
      DECL_OMP_ALLOCATE,
1399
1400
      /// An EmptyDecl record.
1401
      DECL_EMPTY,
1402
1403
      /// An LifetimeExtendedTemporaryDecl record.
1404
      DECL_LIFETIME_EXTENDED_TEMPORARY,
1405
1406
      /// A RequiresExprBodyDecl record.
1407
      DECL_REQUIRES_EXPR_BODY,
1408
1409
      /// An ObjCTypeParamDecl record.
1410
      DECL_OBJC_TYPE_PARAM,
1411
1412
      /// An OMPCapturedExprDecl record.
1413
      DECL_OMP_CAPTUREDEXPR,
1414
1415
      /// A PragmaCommentDecl record.
1416
      DECL_PRAGMA_COMMENT,
1417
1418
      /// A PragmaDetectMismatchDecl record.
1419
      DECL_PRAGMA_DETECT_MISMATCH,
1420
1421
      /// An OMPDeclareMapperDecl record.
1422
      DECL_OMP_DECLARE_MAPPER,
1423
1424
      /// An OMPDeclareReductionDecl record.
1425
      DECL_OMP_DECLARE_REDUCTION,
1426
1427
      DECL_LAST = DECL_OMP_DECLARE_REDUCTION
1428
    };
1429
1430
    /// Record codes for each kind of statement or expression.
1431
    ///
1432
    /// These constants describe the records that describe statements
1433
    /// or expressions. These records  occur within type and declarations
1434
    /// block, so they begin with record values of 128.  Each constant
1435
    /// describes a record for a specific statement or expression class in the
1436
    /// AST.
1437
    enum StmtCode {
1438
      /// A marker record that indicates that we are at the end
1439
      /// of an expression.
1440
      STMT_STOP = DECL_LAST + 1,
1441
1442
      /// A NULL expression.
1443
      STMT_NULL_PTR,
1444
1445
      /// A reference to a previously [de]serialized Stmt record.
1446
      STMT_REF_PTR,
1447
1448
      /// A NullStmt record.
1449
      STMT_NULL,
1450
1451
      /// A CompoundStmt record.
1452
      STMT_COMPOUND,
1453
1454
      /// A CaseStmt record.
1455
      STMT_CASE,
1456
1457
      /// A DefaultStmt record.
1458
      STMT_DEFAULT,
1459
1460
      /// A LabelStmt record.
1461
      STMT_LABEL,
1462
1463
      /// An AttributedStmt record.
1464
      STMT_ATTRIBUTED,
1465
1466
      /// An IfStmt record.
1467
      STMT_IF,
1468
1469
      /// A SwitchStmt record.
1470
      STMT_SWITCH,
1471
1472
      /// A WhileStmt record.
1473
      STMT_WHILE,
1474
1475
      /// A DoStmt record.
1476
      STMT_DO,
1477
1478
      /// A ForStmt record.
1479
      STMT_FOR,
1480
1481
      /// A GotoStmt record.
1482
      STMT_GOTO,
1483
1484
      /// An IndirectGotoStmt record.
1485
      STMT_INDIRECT_GOTO,
1486
1487
      /// A ContinueStmt record.
1488
      STMT_CONTINUE,
1489
1490
      /// A BreakStmt record.
1491
      STMT_BREAK,
1492
1493
      /// A ReturnStmt record.
1494
      STMT_RETURN,
1495
1496
      /// A DeclStmt record.
1497
      STMT_DECL,
1498
1499
      /// A CapturedStmt record.
1500
      STMT_CAPTURED,
1501
1502
      /// A GCC-style AsmStmt record.
1503
      STMT_GCCASM,
1504
1505
      /// A MS-style AsmStmt record.
1506
      STMT_MSASM,
1507
1508
      /// A constant expression context.
1509
      EXPR_CONSTANT,
1510
1511
      /// A PredefinedExpr record.
1512
      EXPR_PREDEFINED,
1513
1514
      /// A DeclRefExpr record.
1515
      EXPR_DECL_REF,
1516
1517
      /// An IntegerLiteral record.
1518
      EXPR_INTEGER_LITERAL,
1519
1520
      /// A FloatingLiteral record.
1521
      EXPR_FLOATING_LITERAL,
1522
1523
      /// An ImaginaryLiteral record.
1524
      EXPR_IMAGINARY_LITERAL,
1525
1526
      /// A StringLiteral record.
1527
      EXPR_STRING_LITERAL,
1528
1529
      /// A CharacterLiteral record.
1530
      EXPR_CHARACTER_LITERAL,
1531
1532
      /// A ParenExpr record.
1533
      EXPR_PAREN,
1534
1535
      /// A ParenListExpr record.
1536
      EXPR_PAREN_LIST,
1537
1538
      /// A UnaryOperator record.
1539
      EXPR_UNARY_OPERATOR,
1540
1541
      /// An OffsetOfExpr record.
1542
      EXPR_OFFSETOF,
1543
1544
      /// A SizefAlignOfExpr record.
1545
      EXPR_SIZEOF_ALIGN_OF,
1546
1547
      /// An ArraySubscriptExpr record.
1548
      EXPR_ARRAY_SUBSCRIPT,
1549
1550
      /// A CallExpr record.
1551
      EXPR_CALL,
1552
1553
      /// A MemberExpr record.
1554
      EXPR_MEMBER,
1555
1556
      /// A BinaryOperator record.
1557
      EXPR_BINARY_OPERATOR,
1558
1559
      /// A CompoundAssignOperator record.
1560
      EXPR_COMPOUND_ASSIGN_OPERATOR,
1561
1562
      /// A ConditionOperator record.
1563
      EXPR_CONDITIONAL_OPERATOR,
1564
1565
      /// An ImplicitCastExpr record.
1566
      EXPR_IMPLICIT_CAST,
1567
1568
      /// A CStyleCastExpr record.
1569
      EXPR_CSTYLE_CAST,
1570
1571
      /// A CompoundLiteralExpr record.
1572
      EXPR_COMPOUND_LITERAL,
1573
1574
      /// An ExtVectorElementExpr record.
1575
      EXPR_EXT_VECTOR_ELEMENT,
1576
1577
      /// An InitListExpr record.
1578
      EXPR_INIT_LIST,
1579
1580
      /// A DesignatedInitExpr record.
1581
      EXPR_DESIGNATED_INIT,
1582
1583
      /// A DesignatedInitUpdateExpr record.
1584
      EXPR_DESIGNATED_INIT_UPDATE,
1585
1586
      /// An NoInitExpr record.
1587
      EXPR_NO_INIT,
1588
1589
      /// An ArrayInitLoopExpr record.
1590
      EXPR_ARRAY_INIT_LOOP,
1591
1592
      /// An ArrayInitIndexExpr record.
1593
      EXPR_ARRAY_INIT_INDEX,
1594
1595
      /// An ImplicitValueInitExpr record.
1596
      EXPR_IMPLICIT_VALUE_INIT,
1597
1598
      /// A VAArgExpr record.
1599
      EXPR_VA_ARG,
1600
1601
      /// An AddrLabelExpr record.
1602
      EXPR_ADDR_LABEL,
1603
1604
      /// A StmtExpr record.
1605
      EXPR_STMT,
1606
1607
      /// A ChooseExpr record.
1608
      EXPR_CHOOSE,
1609
1610
      /// A GNUNullExpr record.
1611
      EXPR_GNU_NULL,
1612
1613
      /// A SourceLocExpr record.
1614
      EXPR_SOURCE_LOC,
1615
1616
      /// A ShuffleVectorExpr record.
1617
      EXPR_SHUFFLE_VECTOR,
1618
1619
      /// A ConvertVectorExpr record.
1620
      EXPR_CONVERT_VECTOR,
1621
1622
      /// BlockExpr
1623
      EXPR_BLOCK,
1624
1625
      /// A GenericSelectionExpr record.
1626
      EXPR_GENERIC_SELECTION,
1627
1628
      /// A PseudoObjectExpr record.
1629
      EXPR_PSEUDO_OBJECT,
1630
1631
      /// An AtomicExpr record.
1632
      EXPR_ATOMIC,
1633
1634
      // Objective-C
1635
1636
      /// An ObjCStringLiteral record.
1637
      EXPR_OBJC_STRING_LITERAL,
1638
1639
      EXPR_OBJC_BOXED_EXPRESSION,
1640
      EXPR_OBJC_ARRAY_LITERAL,
1641
      EXPR_OBJC_DICTIONARY_LITERAL,
1642
1643
      /// An ObjCEncodeExpr record.
1644
      EXPR_OBJC_ENCODE,
1645
1646
      /// An ObjCSelectorExpr record.
1647
      EXPR_OBJC_SELECTOR_EXPR,
1648
1649
      /// An ObjCProtocolExpr record.
1650
      EXPR_OBJC_PROTOCOL_EXPR,
1651
1652
      /// An ObjCIvarRefExpr record.
1653
      EXPR_OBJC_IVAR_REF_EXPR,
1654
1655
      /// An ObjCPropertyRefExpr record.
1656
      EXPR_OBJC_PROPERTY_REF_EXPR,
1657
1658
      /// An ObjCSubscriptRefExpr record.
1659
      EXPR_OBJC_SUBSCRIPT_REF_EXPR,
1660
1661
      /// UNUSED
1662
      EXPR_OBJC_KVC_REF_EXPR,
1663
1664
      /// An ObjCMessageExpr record.
1665
      EXPR_OBJC_MESSAGE_EXPR,
1666
1667
      /// An ObjCIsa Expr record.
1668
      EXPR_OBJC_ISA,
1669
1670
      /// An ObjCIndirectCopyRestoreExpr record.
1671
      EXPR_OBJC_INDIRECT_COPY_RESTORE,
1672
1673
      /// An ObjCForCollectionStmt record.
1674
      STMT_OBJC_FOR_COLLECTION,
1675
1676
      /// An ObjCAtCatchStmt record.
1677
      STMT_OBJC_CATCH,
1678
1679
      /// An ObjCAtFinallyStmt record.
1680
      STMT_OBJC_FINALLY,
1681
1682
      /// An ObjCAtTryStmt record.
1683
      STMT_OBJC_AT_TRY,
1684
1685
      /// An ObjCAtSynchronizedStmt record.
1686
      STMT_OBJC_AT_SYNCHRONIZED,
1687
1688
      /// An ObjCAtThrowStmt record.
1689
      STMT_OBJC_AT_THROW,
1690
1691
      /// An ObjCAutoreleasePoolStmt record.
1692
      STMT_OBJC_AUTORELEASE_POOL,
1693
1694
      /// An ObjCBoolLiteralExpr record.
1695
      EXPR_OBJC_BOOL_LITERAL,
1696
1697
      /// An ObjCAvailabilityCheckExpr record.
1698
      EXPR_OBJC_AVAILABILITY_CHECK,
1699
1700
      // C++
1701
1702
      /// A CXXCatchStmt record.
1703
      STMT_CXX_CATCH,
1704
1705
      /// A CXXTryStmt record.
1706
      STMT_CXX_TRY,
1707
      /// A CXXForRangeStmt record.
1708
1709
      STMT_CXX_FOR_RANGE,
1710
1711
      /// A CXXOperatorCallExpr record.
1712
      EXPR_CXX_OPERATOR_CALL,
1713
1714
      /// A CXXMemberCallExpr record.
1715
      EXPR_CXX_MEMBER_CALL,
1716
1717
      /// A CXXRewrittenBinaryOperator record.
1718
      EXPR_CXX_REWRITTEN_BINARY_OPERATOR,
1719
1720
      /// A CXXConstructExpr record.
1721
      EXPR_CXX_CONSTRUCT,
1722
1723
      /// A CXXInheritedCtorInitExpr record.
1724
      EXPR_CXX_INHERITED_CTOR_INIT,
1725
1726
      /// A CXXTemporaryObjectExpr record.
1727
      EXPR_CXX_TEMPORARY_OBJECT,
1728
1729
      /// A CXXStaticCastExpr record.
1730
      EXPR_CXX_STATIC_CAST,
1731
1732
      /// A CXXDynamicCastExpr record.
1733
      EXPR_CXX_DYNAMIC_CAST,
1734
1735
      /// A CXXReinterpretCastExpr record.
1736
      EXPR_CXX_REINTERPRET_CAST,
1737
1738
      /// A CXXConstCastExpr record.
1739
      EXPR_CXX_CONST_CAST,
1740
1741
      /// A CXXFunctionalCastExpr record.
1742
      EXPR_CXX_FUNCTIONAL_CAST,
1743
1744
      /// A UserDefinedLiteral record.
1745
      EXPR_USER_DEFINED_LITERAL,
1746
1747
      /// A CXXStdInitializerListExpr record.
1748
      EXPR_CXX_STD_INITIALIZER_LIST,
1749
1750
      /// A CXXBoolLiteralExpr record.
1751
      EXPR_CXX_BOOL_LITERAL,
1752
1753
      EXPR_CXX_NULL_PTR_LITERAL,  // CXXNullPtrLiteralExpr
1754
      EXPR_CXX_TYPEID_EXPR,       // CXXTypeidExpr (of expr).
1755
      EXPR_CXX_TYPEID_TYPE,       // CXXTypeidExpr (of type).
1756
      EXPR_CXX_THIS,              // CXXThisExpr
1757
      EXPR_CXX_THROW,             // CXXThrowExpr
1758
      EXPR_CXX_DEFAULT_ARG,       // CXXDefaultArgExpr
1759
      EXPR_CXX_DEFAULT_INIT,      // CXXDefaultInitExpr
1760
      EXPR_CXX_BIND_TEMPORARY,    // CXXBindTemporaryExpr
1761
1762
      EXPR_CXX_SCALAR_VALUE_INIT, // CXXScalarValueInitExpr
1763
      EXPR_CXX_NEW,               // CXXNewExpr
1764
      EXPR_CXX_DELETE,            // CXXDeleteExpr
1765
      EXPR_CXX_PSEUDO_DESTRUCTOR, // CXXPseudoDestructorExpr
1766
1767
      EXPR_EXPR_WITH_CLEANUPS,    // ExprWithCleanups
1768
1769
      EXPR_CXX_DEPENDENT_SCOPE_MEMBER,   // CXXDependentScopeMemberExpr
1770
      EXPR_CXX_DEPENDENT_SCOPE_DECL_REF, // DependentScopeDeclRefExpr
1771
      EXPR_CXX_UNRESOLVED_CONSTRUCT,     // CXXUnresolvedConstructExpr
1772
      EXPR_CXX_UNRESOLVED_MEMBER,        // UnresolvedMemberExpr
1773
      EXPR_CXX_UNRESOLVED_LOOKUP,        // UnresolvedLookupExpr
1774
1775
      EXPR_CXX_EXPRESSION_TRAIT,  // ExpressionTraitExpr
1776
      EXPR_CXX_NOEXCEPT,          // CXXNoexceptExpr
1777
1778
      EXPR_OPAQUE_VALUE,          // OpaqueValueExpr
1779
      EXPR_BINARY_CONDITIONAL_OPERATOR,  // BinaryConditionalOperator
1780
      EXPR_TYPE_TRAIT,            // TypeTraitExpr
1781
      EXPR_ARRAY_TYPE_TRAIT,      // ArrayTypeTraitIntExpr
1782
1783
      EXPR_PACK_EXPANSION,        // PackExpansionExpr
1784
      EXPR_SIZEOF_PACK,           // SizeOfPackExpr
1785
      EXPR_SUBST_NON_TYPE_TEMPLATE_PARM, // SubstNonTypeTemplateParmExpr
1786
      EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK,// SubstNonTypeTemplateParmPackExpr
1787
      EXPR_FUNCTION_PARM_PACK,    // FunctionParmPackExpr
1788
      EXPR_MATERIALIZE_TEMPORARY, // MaterializeTemporaryExpr
1789
      EXPR_CXX_FOLD,              // CXXFoldExpr
1790
      EXPR_CONCEPT_SPECIALIZATION,// ConceptSpecializationExpr
1791
      EXPR_REQUIRES,              // RequiresExpr
1792
1793
      // CUDA
1794
      EXPR_CUDA_KERNEL_CALL,       // CUDAKernelCallExpr
1795
1796
      // OpenCL
1797
      EXPR_ASTYPE,                 // AsTypeExpr
1798
1799
      // Microsoft
1800
      EXPR_CXX_PROPERTY_REF_EXPR, // MSPropertyRefExpr
1801
      EXPR_CXX_PROPERTY_SUBSCRIPT_EXPR, // MSPropertySubscriptExpr
1802
      EXPR_CXX_UUIDOF_EXPR,       // CXXUuidofExpr (of expr).
1803
      EXPR_CXX_UUIDOF_TYPE,       // CXXUuidofExpr (of type).
1804
      STMT_SEH_LEAVE,             // SEHLeaveStmt
1805
      STMT_SEH_EXCEPT,            // SEHExceptStmt
1806
      STMT_SEH_FINALLY,           // SEHFinallyStmt
1807
      STMT_SEH_TRY,               // SEHTryStmt
1808
1809
      // OpenMP directives
1810
      STMT_OMP_PARALLEL_DIRECTIVE,
1811
      STMT_OMP_SIMD_DIRECTIVE,
1812
      STMT_OMP_FOR_DIRECTIVE,
1813
      STMT_OMP_FOR_SIMD_DIRECTIVE,
1814
      STMT_OMP_SECTIONS_DIRECTIVE,
1815
      STMT_OMP_SECTION_DIRECTIVE,
1816
      STMT_OMP_SINGLE_DIRECTIVE,
1817
      STMT_OMP_MASTER_DIRECTIVE,
1818
      STMT_OMP_CRITICAL_DIRECTIVE,
1819
      STMT_OMP_PARALLEL_FOR_DIRECTIVE,
1820
      STMT_OMP_PARALLEL_FOR_SIMD_DIRECTIVE,
1821
      STMT_OMP_PARALLEL_MASTER_DIRECTIVE,
1822
      STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE,
1823
      STMT_OMP_TASK_DIRECTIVE,
1824
      STMT_OMP_TASKYIELD_DIRECTIVE,
1825
      STMT_OMP_BARRIER_DIRECTIVE,
1826
      STMT_OMP_TASKWAIT_DIRECTIVE,
1827
      STMT_OMP_FLUSH_DIRECTIVE,
1828
      STMT_OMP_ORDERED_DIRECTIVE,
1829
      STMT_OMP_ATOMIC_DIRECTIVE,
1830
      STMT_OMP_TARGET_DIRECTIVE,
1831
      STMT_OMP_TARGET_DATA_DIRECTIVE,
1832
      STMT_OMP_TARGET_ENTER_DATA_DIRECTIVE,
1833
      STMT_OMP_TARGET_EXIT_DATA_DIRECTIVE,
1834
      STMT_OMP_TARGET_PARALLEL_DIRECTIVE,
1835
      STMT_OMP_TARGET_PARALLEL_FOR_DIRECTIVE,
1836
      STMT_OMP_TEAMS_DIRECTIVE,
1837
      STMT_OMP_TASKGROUP_DIRECTIVE,
1838
      STMT_OMP_CANCELLATION_POINT_DIRECTIVE,
1839
      STMT_OMP_CANCEL_DIRECTIVE,
1840
      STMT_OMP_TASKLOOP_DIRECTIVE,
1841
      STMT_OMP_TASKLOOP_SIMD_DIRECTIVE,
1842
      STMT_OMP_MASTER_TASKLOOP_DIRECTIVE,
1843
      STMT_OMP_MASTER_TASKLOOP_SIMD_DIRECTIVE,
1844
      STMT_OMP_PARALLEL_MASTER_TASKLOOP_DIRECTIVE,
1845
      STMT_OMP_PARALLEL_MASTER_TASKLOOP_SIMD_DIRECTIVE,
1846
      STMT_OMP_DISTRIBUTE_DIRECTIVE,
1847
      STMT_OMP_TARGET_UPDATE_DIRECTIVE,
1848
      STMT_OMP_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
1849
      STMT_OMP_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
1850
      STMT_OMP_DISTRIBUTE_SIMD_DIRECTIVE,
1851
      STMT_OMP_TARGET_PARALLEL_FOR_SIMD_DIRECTIVE,
1852
      STMT_OMP_TARGET_SIMD_DIRECTIVE,
1853
      STMT_OMP_TEAMS_DISTRIBUTE_DIRECTIVE,
1854
      STMT_OMP_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE,
1855
      STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
1856
      STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
1857
      STMT_OMP_TARGET_TEAMS_DIRECTIVE,
1858
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_DIRECTIVE,
1859
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
1860
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
1861
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE,
1862
      EXPR_OMP_ARRAY_SECTION,
1863
1864
      // ARC
1865
      EXPR_OBJC_BRIDGED_CAST,     // ObjCBridgedCastExpr
1866
1867
      STMT_MS_DEPENDENT_EXISTS,   // MSDependentExistsStmt
1868
      EXPR_LAMBDA,                // LambdaExpr
1869
      STMT_COROUTINE_BODY,
1870
      STMT_CORETURN,
1871
      EXPR_COAWAIT,
1872
      EXPR_COYIELD,
1873
      EXPR_DEPENDENT_COAWAIT,
1874
    };
1875
1876
    /// The kinds of designators that can occur in a
1877
    /// DesignatedInitExpr.
1878
    enum DesignatorTypes {
1879
      /// Field designator where only the field name is known.
1880
      DESIG_FIELD_NAME  = 0,
1881
1882
      /// Field designator where the field has been resolved to
1883
      /// a declaration.
1884
      DESIG_FIELD_DECL  = 1,
1885
1886
      /// Array designator.
1887
      DESIG_ARRAY       = 2,
1888
1889
      /// GNU array range designator.
1890
      DESIG_ARRAY_RANGE = 3
1891
    };
1892
1893
    /// The different kinds of data that can occur in a
1894
    /// CtorInitializer.
1895
    enum CtorInitializerType {
1896
      CTOR_INITIALIZER_BASE,
1897
      CTOR_INITIALIZER_DELEGATING,
1898
      CTOR_INITIALIZER_MEMBER,
1899
      CTOR_INITIALIZER_INDIRECT_MEMBER
1900
    };
1901
1902
    /// Describes the redeclarations of a declaration.
1903
    struct LocalRedeclarationsInfo {
1904
      // The ID of the first declaration
1905
      DeclID FirstID;
1906
1907
      // Offset into the array of redeclaration chains.
1908
      unsigned Offset;
1909
1910
      friend bool operator<(const LocalRedeclarationsInfo &X,
1911
0
                            const LocalRedeclarationsInfo &Y) {
1912
0
        return X.FirstID < Y.FirstID;
1913
0
      }
1914
1915
      friend bool operator>(const LocalRedeclarationsInfo &X,
1916
0
                            const LocalRedeclarationsInfo &Y) {
1917
0
        return X.FirstID > Y.FirstID;
1918
0
      }
1919
1920
      friend bool operator<=(const LocalRedeclarationsInfo &X,
1921
0
                             const LocalRedeclarationsInfo &Y) {
1922
0
        return X.FirstID <= Y.FirstID;
1923
0
      }
1924
1925
      friend bool operator>=(const LocalRedeclarationsInfo &X,
1926
0
                             const LocalRedeclarationsInfo &Y) {
1927
0
        return X.FirstID >= Y.FirstID;
1928
0
      }
1929
    };
1930
1931
    /// Describes the categories of an Objective-C class.
1932
    struct ObjCCategoriesInfo {
1933
      // The ID of the definition
1934
      DeclID DefinitionID;
1935
1936
      // Offset into the array of category lists.
1937
      unsigned Offset;
1938
1939
      friend bool operator<(const ObjCCategoriesInfo &X,
1940
47.6k
                            const ObjCCategoriesInfo &Y) {
1941
47.6k
        return X.DefinitionID < Y.DefinitionID;
1942
47.6k
      }
1943
1944
      friend bool operator>(const ObjCCategoriesInfo &X,
1945
0
                            const ObjCCategoriesInfo &Y) {
1946
0
        return X.DefinitionID > Y.DefinitionID;
1947
0
      }
1948
1949
      friend bool operator<=(const ObjCCategoriesInfo &X,
1950
0
                             const ObjCCategoriesInfo &Y) {
1951
0
        return X.DefinitionID <= Y.DefinitionID;
1952
0
      }
1953
1954
      friend bool operator>=(const ObjCCategoriesInfo &X,
1955
0
                             const ObjCCategoriesInfo &Y) {
1956
0
        return X.DefinitionID >= Y.DefinitionID;
1957
0
      }
1958
    };
1959
1960
    /// A key used when looking up entities by \ref DeclarationName.
1961
    ///
1962
    /// Different \ref DeclarationNames are mapped to different keys, but the
1963
    /// same key can occasionally represent multiple names (for names that
1964
    /// contain types, in particular).
1965
    class DeclarationNameKey {
1966
      using NameKind = unsigned;
1967
1968
      NameKind Kind = 0;
1969
      uint64_t Data = 0;
1970
1971
    public:
1972
2.83M
      DeclarationNameKey() = default;
1973
      DeclarationNameKey(DeclarationName Name);
1974
      DeclarationNameKey(NameKind Kind, uint64_t Data)
1975
9.96M
          : Kind(Kind), Data(Data) {}
1976
1977
6.24M
      NameKind getKind() const { return Kind; }
1978
1979
1.97M
      IdentifierInfo *getIdentifier() const {
1980
1.97M
        assert(Kind == DeclarationName::Identifier ||
1981
1.97M
               Kind == DeclarationName::CXXLiteralOperatorName ||
1982
1.97M
               Kind == DeclarationName::CXXDeductionGuideName);
1983
1.97M
        return (IdentifierInfo *)Data;
1984
1.97M
      }
1985
1986
50.9k
      Selector getSelector() const {
1987
50.9k
        assert(Kind == DeclarationName::ObjCZeroArgSelector ||
1988
50.9k
               Kind == DeclarationName::ObjCOneArgSelector ||
1989
50.9k
               Kind == DeclarationName::ObjCMultiArgSelector);
1990
50.9k
        return Selector(Data);
1991
50.9k
      }
1992
1993
52.4k
      OverloadedOperatorKind getOperatorKind() const {
1994
52.4k
        assert(Kind == DeclarationName::CXXOperatorName);
1995
52.4k
        return (OverloadedOperatorKind)Data;
1996
52.4k
      }
1997
1998
      /// Compute a fingerprint of this key for use in on-disk hash table.
1999
      unsigned getHash() const;
2000
2001
      friend bool operator==(const DeclarationNameKey &A,
2002
33.1M
                             const DeclarationNameKey &B) {
2003
33.1M
        return A.Kind == B.Kind && 
A.Data == B.Data10.3M
;
2004
33.1M
      }
2005
    };
2006
2007
    /// @}
2008
2009
} // namespace serialization
2010
} // namespace clang
2011
2012
namespace llvm {
2013
2014
  template <> struct DenseMapInfo<clang::serialization::DeclarationNameKey> {
2015
4.62M
    static clang::serialization::DeclarationNameKey getEmptyKey() {
2016
4.62M
      return clang::serialization::DeclarationNameKey(-1, 1);
2017
4.62M
    }
2018
2019
3.67M
    static clang::serialization::DeclarationNameKey getTombstoneKey() {
2020
3.67M
      return clang::serialization::DeclarationNameKey(-1, 2);
2021
3.67M
    }
2022
2023
    static unsigned
2024
2.96M
    getHashValue(const clang::serialization::DeclarationNameKey &Key) {
2025
2.96M
      return Key.getHash();
2026
2.96M
    }
2027
2028
    static bool isEqual(const clang::serialization::DeclarationNameKey &L,
2029
33.0M
                        const clang::serialization::DeclarationNameKey &R) {
2030
33.0M
      return L == R;
2031
33.0M
    }
2032
  };
2033
2034
} // namespace llvm
2035
2036
#endif // LLVM_CLANG_SERIALIZATION_ASTBITCODES_H