Coverage Report

Created: 2018-12-11 17:59

/Users/buildslave/jenkins/workspace/clang-stage2-coverage-R/llvm/tools/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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//                     The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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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"
25
#include "clang/Basic/SourceLocation.h"
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#include "llvm/ADT/DenseMapInfo.h"
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#include "llvm/Bitcode/BitCodes.h"
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#include <cassert>
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#include <cstdint>
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31
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
38
    /// incompatible with previous versions (such that a reader
39
    /// 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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    ///
42
    /// 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 = 7;
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47
    /// 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
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    /// 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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57
    /// An ID number that refers to an identifier in an AST file.
58
    ///
59
    /// The ID numbers of identifiers are consecutive (in order of discovery)
60
    /// and start at 1. 0 is reserved for NULL.
61
    using IdentifierID = uint32_t;
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63
    /// An ID number that refers to a declaration in an AST file.
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    ///
65
    /// 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
79
    /// three bits are used to store the const/volatile/restrict
80
    /// qualifiers (as with QualType) and the upper bits provide a
81
    /// 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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156k
      TypeIdx() = default;
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834k
      explicit TypeIdx(uint32_t index) : Idx(index) {}
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96
1.49M
      uint32_t getIndex() const { return Idx; }
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1.84M
      TypeID asTypeID(unsigned FastQuals) const {
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1.84M
        if (Idx == uint32_t(-1))
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0
          return TypeID(-1);
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1.84M
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1.84M
        return (Idx << Qualifiers::FastWidth) | FastQuals;
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1.84M
      }
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14.1k
      static TypeIdx fromTypeID(TypeID ID) {
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14.1k
        if (ID == TypeID(-1))
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0
          return TypeIdx(-1);
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14.1k
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14.1k
        return TypeIdx(ID >> Qualifiers::FastWidth);
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14.1k
      }
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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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5.69M
      static bool isEqual(QualType A, QualType B) { return A == B; }
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1.64M
      static QualType getEmptyKey() {
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1.64M
        return QualType::getFromOpaquePtr((void*) 1);
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1.64M
      }
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1.48M
      static QualType getTombstoneKey() {
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1.48M
        return QualType::getFromOpaquePtr((void*) 2);
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1.48M
      }
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1.48M
      static unsigned getHashValue(QualType T) {
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1.48M
        assert(!T.getLocalFastQualifiers() &&
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1.48M
               "hash invalid for types with fast quals");
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1.48M
        uintptr_t v = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr());
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1.48M
        return (unsigned(v) >> 4) ^ (unsigned(v) >> 9);
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1.48M
      }
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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;
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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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61.6k
          End(R.getEnd().getRawEncoding()), BitOffset(BitOffset) {}
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53.4k
      SourceLocation getBegin() const {
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53.4k
        return SourceLocation::getFromRawEncoding(Begin);
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53.4k
      }
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49.9k
      SourceLocation getEnd() const {
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49.9k
        return SourceLocation::getFromRawEncoding(End);
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49.9k
      }
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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()),
210
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          End(R.getEnd().getRawEncoding()) { }
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      SourceLocation getBegin() const {
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        return SourceLocation::getFromRawEncoding(Begin);
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24
      }
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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 {
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      /// 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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483k
        : 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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248k
      SourceLocation getLocation() const {
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248k
        return SourceLocation::getFromRawEncoding(Loc);
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248k
      }
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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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244
    /// Describes the various kinds of blocks that occur within
245
    /// an AST file.
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    enum BlockIDs {
247
      /// The AST block, which acts as a container around the
248
      /// full AST block.
249
      AST_BLOCK_ID = llvm::bitc::FIRST_APPLICATION_BLOCKID,
250
251
      /// The block containing information about the source
252
      /// manager.
253
      SOURCE_MANAGER_BLOCK_ID,
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255
      /// The block containing information about the
256
      /// preprocessor.
257
      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.
261
      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.
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      SUBMODULE_BLOCK_ID,
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      /// The block containing comments.
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      COMMENTS_BLOCK_ID,
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      /// The control block, which contains all of the
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      /// information that needs to be validated prior to committing
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      /// to loading the AST file.
275
      CONTROL_BLOCK_ID,
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      /// The block of input files, which were used as inputs
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      /// to create this AST file.
279
      ///
280
      /// This block is part of the control block.
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      INPUT_FILES_BLOCK_ID,
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      /// The block of configuration options, used to check that
284
      /// a module is being used in a configuration compatible with the
285
      /// configuration in which it was built.
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      ///
287
      /// This block is part of the control block.
288
      OPTIONS_BLOCK_ID,
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290
      /// A block containing a module file extension.
291
      EXTENSION_BLOCK_ID,
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      /// A block with unhashed content.
294
      ///
295
      /// These records should not change the \a ASTFileSignature.  See \a
296
      /// UnhashedControlBlockRecordTypes for the list of records.
297
      UNHASHED_CONTROL_BLOCK_ID,
298
    };
299
300
    /// Record types that occur within the control block.
301
    enum ControlRecordTypes {
302
      /// AST file metadata, including the AST file version number
303
      /// and information about the compiler used to build this AST file.
304
      METADATA = 1,
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306
      /// Record code for the list of other AST files imported by
307
      /// this AST file.
308
      IMPORTS,
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310
      /// Record code for the original file that was used to
311
      /// generate the AST file, including both its file ID and its
312
      /// name.
313
      ORIGINAL_FILE,
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315
      /// The directory that the PCH was originally created in.
316
      ORIGINAL_PCH_DIR,
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318
      /// Record code for file ID of the file or buffer that was used to
319
      /// generate the AST file.
320
      ORIGINAL_FILE_ID,
321
322
      /// Offsets into the input-files block where input files
323
      /// reside.
324
      INPUT_FILE_OFFSETS,
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326
      /// Record code for the module name.
327
      MODULE_NAME,
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329
      /// Record code for the module map file that was used to build this
330
      /// AST file.
331
      MODULE_MAP_FILE,
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333
      /// Record code for the module build directory.
334
      MODULE_DIRECTORY,
335
    };
336
337
    /// Record types that occur within the options block inside
338
    /// the control block.
339
    enum OptionsRecordTypes {
340
      /// Record code for the language options table.
341
      ///
342
      /// The record with this code contains the contents of the
343
      /// LangOptions structure. We serialize the entire contents of
344
      /// the structure, and let the reader decide which options are
345
      /// actually important to check.
346
      LANGUAGE_OPTIONS = 1,
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348
      /// Record code for the target options table.
349
      TARGET_OPTIONS,
350
351
      /// Record code for the filesystem options table.
352
      FILE_SYSTEM_OPTIONS,
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      /// Record code for the headers search options table.
355
      HEADER_SEARCH_OPTIONS,
356
357
      /// Record code for the preprocessor options table.
358
      PREPROCESSOR_OPTIONS,
359
    };
360
361
    /// Record codes for the unhashed control block.
362
    enum UnhashedControlBlockRecordTypes {
363
      /// Record code for the signature that identifiers this AST file.
364
      SIGNATURE = 1,
365
366
      /// Record code for the diagnostic options table.
367
      DIAGNOSTIC_OPTIONS,
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369
      /// Record code for \#pragma diagnostic mappings.
370
      DIAG_PRAGMA_MAPPINGS,
371
    };
372
373
    /// Record code for extension blocks.
374
    enum ExtensionBlockRecordTypes {
375
      /// Metadata describing this particular extension.
376
      EXTENSION_METADATA = 1,
377
378
      /// The first record ID allocated to the extensions themselves.
379
      FIRST_EXTENSION_RECORD_ID = 4
380
    };
381
382
    /// Record types that occur within the input-files block
383
    /// inside the control block.
384
    enum InputFileRecordTypes {
385
      /// An input file.
386
      INPUT_FILE = 1
387
    };
388
389
    /// Record types that occur within the AST block itself.
390
    enum ASTRecordTypes {
391
      /// Record code for the offsets of each type.
392
      ///
393
      /// The TYPE_OFFSET constant describes the record that occurs
394
      /// within the AST block. The record itself is an array of offsets that
395
      /// point into the declarations and types block (identified by
396
      /// DECLTYPES_BLOCK_ID). The index into the array is based on the ID
397
      /// of a type. For a given type ID @c T, the lower three bits of
398
      /// @c T are its qualifiers (const, volatile, restrict), as in
399
      /// the QualType class. The upper bits, after being shifted and
400
      /// subtracting NUM_PREDEF_TYPE_IDS, are used to index into the
401
      /// TYPE_OFFSET block to determine the offset of that type's
402
      /// corresponding record within the DECLTYPES_BLOCK_ID block.
403
      TYPE_OFFSET = 1,
404
405
      /// Record code for the offsets of each decl.
406
      ///
407
      /// The DECL_OFFSET constant describes the record that occurs
408
      /// within the block identified by DECL_OFFSETS_BLOCK_ID within
409
      /// the AST block. The record itself is an array of offsets that
410
      /// point into the declarations and types block (identified by
411
      /// DECLTYPES_BLOCK_ID). The declaration ID is an index into this
412
      /// record, after subtracting one to account for the use of
413
      /// declaration ID 0 for a NULL declaration pointer. Index 0 is
414
      /// reserved for the translation unit declaration.
415
      DECL_OFFSET = 2,
416
417
      /// Record code for the table of offsets of each
418
      /// identifier ID.
419
      ///
420
      /// The offset table contains offsets into the blob stored in
421
      /// the IDENTIFIER_TABLE record. Each offset points to the
422
      /// NULL-terminated string that corresponds to that identifier.
423
      IDENTIFIER_OFFSET = 3,
424
425
      /// This is so that older clang versions, before the introduction
426
      /// of the control block, can read and reject the newer PCH format.
427
      /// *DON'T CHANGE THIS NUMBER*.
428
      METADATA_OLD_FORMAT = 4,
429
430
      /// Record code for the identifier table.
431
      ///
432
      /// The identifier table is a simple blob that contains
433
      /// NULL-terminated strings for all of the identifiers
434
      /// referenced by the AST file. The IDENTIFIER_OFFSET table
435
      /// contains the mapping from identifier IDs to the characters
436
      /// in this blob. Note that the starting offsets of all of the
437
      /// identifiers are odd, so that, when the identifier offset
438
      /// table is loaded in, we can use the low bit to distinguish
439
      /// between offsets (for unresolved identifier IDs) and
440
      /// IdentifierInfo pointers (for already-resolved identifier
441
      /// IDs).
442
      IDENTIFIER_TABLE = 5,
443
444
      /// Record code for the array of eagerly deserialized decls.
445
      ///
446
      /// The AST file contains a list of all of the declarations that should be
447
      /// eagerly deserialized present within the parsed headers, stored as an
448
      /// array of declaration IDs. These declarations will be
449
      /// reported to the AST consumer after the AST file has been
450
      /// read, since their presence can affect the semantics of the
451
      /// program (e.g., for code generation).
452
      EAGERLY_DESERIALIZED_DECLS = 6,
453
454
      /// Record code for the set of non-builtin, special
455
      /// types.
456
      ///
457
      /// This record contains the type IDs for the various type nodes
458
      /// that are constructed during semantic analysis (e.g.,
459
      /// __builtin_va_list). The SPECIAL_TYPE_* constants provide
460
      /// offsets into this record.
461
      SPECIAL_TYPES = 7,
462
463
      /// Record code for the extra statistics we gather while
464
      /// generating an AST file.
465
      STATISTICS = 8,
466
467
      /// Record code for the array of tentative definitions.
468
      TENTATIVE_DEFINITIONS = 9,
469
470
      // ID 10 used to be for a list of extern "C" declarations.
471
472
      /// Record code for the table of offsets into the
473
      /// Objective-C method pool.
474
      SELECTOR_OFFSETS = 11,
475
476
      /// Record code for the Objective-C method pool,
477
      METHOD_POOL = 12,
478
479
      /// The value of the next __COUNTER__ to dispense.
480
      /// [PP_COUNTER_VALUE, Val]
481
      PP_COUNTER_VALUE = 13,
482
483
      /// Record code for the table of offsets into the block
484
      /// of source-location information.
485
      SOURCE_LOCATION_OFFSETS = 14,
486
487
      /// Record code for the set of source location entries
488
      /// that need to be preloaded by the AST reader.
489
      ///
490
      /// This set contains the source location entry for the
491
      /// predefines buffer and for any file entries that need to be
492
      /// preloaded.
493
      SOURCE_LOCATION_PRELOADS = 15,
494
495
      /// Record code for the set of ext_vector type names.
496
      EXT_VECTOR_DECLS = 16,
497
498
      /// Record code for the array of unused file scoped decls.
499
      UNUSED_FILESCOPED_DECLS = 17,
500
501
      /// Record code for the table of offsets to entries in the
502
      /// preprocessing record.
503
      PPD_ENTITIES_OFFSETS = 18,
504
505
      /// Record code for the array of VTable uses.
506
      VTABLE_USES = 19,
507
508
      // ID 20 used to be for a list of dynamic classes.
509
510
      /// Record code for referenced selector pool.
511
      REFERENCED_SELECTOR_POOL = 21,
512
513
      /// Record code for an update to the TU's lexically contained
514
      /// declarations.
515
      TU_UPDATE_LEXICAL = 22,
516
517
      // ID 23 used to be for a list of local redeclarations.
518
519
      /// Record code for declarations that Sema keeps references of.
520
      SEMA_DECL_REFS = 24,
521
522
      /// Record code for weak undeclared identifiers.
523
      WEAK_UNDECLARED_IDENTIFIERS = 25,
524
525
      /// Record code for pending implicit instantiations.
526
      PENDING_IMPLICIT_INSTANTIATIONS = 26,
527
528
      // ID 27 used to be for a list of replacement decls.
529
530
      /// Record code for an update to a decl context's lookup table.
531
      ///
532
      /// In practice, this should only be used for the TU and namespaces.
533
      UPDATE_VISIBLE = 28,
534
535
      /// Record for offsets of DECL_UPDATES records for declarations
536
      /// that were modified after being deserialized and need updates.
537
      DECL_UPDATE_OFFSETS = 29,
538
539
      // ID 30 used to be a decl update record. These are now in the DECLTYPES
540
      // block.
541
542
      // ID 31 used to be a list of offsets to DECL_CXX_BASE_SPECIFIERS records.
543
544
      // ID 32 used to be the code for \#pragma diagnostic mappings.
545
546
      /// Record code for special CUDA declarations.
547
      CUDA_SPECIAL_DECL_REFS = 33,
548
549
      /// Record code for header search information.
550
      HEADER_SEARCH_TABLE = 34,
551
552
      /// Record code for floating point \#pragma options.
553
      FP_PRAGMA_OPTIONS = 35,
554
555
      /// Record code for enabled OpenCL extensions.
556
      OPENCL_EXTENSIONS = 36,
557
558
      /// The list of delegating constructor declarations.
559
      DELEGATING_CTORS = 37,
560
561
      /// Record code for the set of known namespaces, which are used
562
      /// for typo correction.
563
      KNOWN_NAMESPACES = 38,
564
565
      /// Record code for the remapping information used to relate
566
      /// loaded modules to the various offsets and IDs(e.g., source location
567
      /// offests, declaration and type IDs) that are used in that module to
568
      /// refer to other modules.
569
      MODULE_OFFSET_MAP = 39,
570
571
      /// Record code for the source manager line table information,
572
      /// which stores information about \#line directives.
573
      SOURCE_MANAGER_LINE_TABLE = 40,
574
575
      /// Record code for map of Objective-C class definition IDs to the
576
      /// ObjC categories in a module that are attached to that class.
577
      OBJC_CATEGORIES_MAP = 41,
578
579
      /// Record code for a file sorted array of DeclIDs in a module.
580
      FILE_SORTED_DECLS = 42,
581
582
      /// Record code for an array of all of the (sub)modules that were
583
      /// imported by the AST file.
584
      IMPORTED_MODULES = 43,
585
586
      // ID 44 used to be a table of merged canonical declarations.
587
      // ID 45 used to be a list of declaration IDs of local redeclarations.
588
589
      /// Record code for the array of Objective-C categories (including
590
      /// extensions).
591
      ///
592
      /// This array can only be interpreted properly using the Objective-C
593
      /// categories map.
594
      OBJC_CATEGORIES = 46,
595
596
      /// Record code for the table of offsets of each macro ID.
597
      ///
598
      /// The offset table contains offsets into the blob stored in
599
      /// the preprocessor block. Each offset points to the corresponding
600
      /// macro definition.
601
      MACRO_OFFSET = 47,
602
603
      /// A list of "interesting" identifiers. Only used in C++ (where we
604
      /// don't normally do lookups into the serialized identifier table). These
605
      /// are eagerly deserialized.
606
      INTERESTING_IDENTIFIERS = 48,
607
608
      /// Record code for undefined but used functions and variables that
609
      /// need a definition in this TU.
610
      UNDEFINED_BUT_USED = 49,
611
612
      /// Record code for late parsed template functions.
613
      LATE_PARSED_TEMPLATE = 50,
614
615
      /// Record code for \#pragma optimize options.
616
      OPTIMIZE_PRAGMA_OPTIONS = 51,
617
618
      /// Record code for potentially unused local typedef names.
619
      UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES = 52,
620
621
      // ID 53 used to be a table of constructor initializer records.
622
623
      /// Delete expressions that will be analyzed later.
624
      DELETE_EXPRS_TO_ANALYZE = 54,
625
626
      /// Record code for \#pragma ms_struct options.
627
      MSSTRUCT_PRAGMA_OPTIONS = 55,
628
629
      /// Record code for \#pragma ms_struct options.
630
      POINTERS_TO_MEMBERS_PRAGMA_OPTIONS = 56,
631
632
      /// Number of unmatched #pragma clang cuda_force_host_device begin
633
      /// directives we've seen.
634
      CUDA_PRAGMA_FORCE_HOST_DEVICE_DEPTH = 57,
635
636
      /// Record code for types associated with OpenCL extensions.
637
      OPENCL_EXTENSION_TYPES = 58,
638
639
      /// Record code for declarations associated with OpenCL extensions.
640
      OPENCL_EXTENSION_DECLS = 59,
641
642
      MODULAR_CODEGEN_DECLS = 60,
643
644
      /// Record code for \#pragma pack options.
645
      PACK_PRAGMA_OPTIONS = 61,
646
647
      /// The stack of open #ifs/#ifdefs recorded in a preamble.
648
      PP_CONDITIONAL_STACK = 62,
649
650
      /// A table of skipped ranges within the preprocessing record.
651
      PPD_SKIPPED_RANGES = 63
652
    };
653
654
    /// Record types used within a source manager block.
655
    enum SourceManagerRecordTypes {
656
      /// Describes a source location entry (SLocEntry) for a
657
      /// file.
658
      SM_SLOC_FILE_ENTRY = 1,
659
660
      /// Describes a source location entry (SLocEntry) for a
661
      /// buffer.
662
      SM_SLOC_BUFFER_ENTRY = 2,
663
664
      /// Describes a blob that contains the data for a buffer
665
      /// entry. This kind of record always directly follows a
666
      /// SM_SLOC_BUFFER_ENTRY record or a SM_SLOC_FILE_ENTRY with an
667
      /// overridden buffer.
668
      SM_SLOC_BUFFER_BLOB = 3,
669
670
      /// Describes a zlib-compressed blob that contains the data for
671
      /// a buffer entry.
672
      SM_SLOC_BUFFER_BLOB_COMPRESSED = 4,
673
674
      /// Describes a source location entry (SLocEntry) for a
675
      /// macro expansion.
676
      SM_SLOC_EXPANSION_ENTRY = 5
677
    };
678
679
    /// Record types used within a preprocessor block.
680
    enum PreprocessorRecordTypes {
681
      // The macros in the PP section are a PP_MACRO_* instance followed by a
682
      // list of PP_TOKEN instances for each token in the definition.
683
684
      /// An object-like macro definition.
685
      /// [PP_MACRO_OBJECT_LIKE, IdentInfoID, SLoc, IsUsed]
686
      PP_MACRO_OBJECT_LIKE = 1,
687
688
      /// A function-like macro definition.
689
      /// [PP_MACRO_FUNCTION_LIKE, \<ObjectLikeStuff>, IsC99Varargs,
690
      /// IsGNUVarars, NumArgs, ArgIdentInfoID* ]
691
      PP_MACRO_FUNCTION_LIKE = 2,
692
693
      /// Describes one token.
694
      /// [PP_TOKEN, SLoc, Length, IdentInfoID, Kind, Flags]
695
      PP_TOKEN = 3,
696
697
      /// The macro directives history for a particular identifier.
698
      PP_MACRO_DIRECTIVE_HISTORY = 4,
699
700
      /// A macro directive exported by a module.
701
      /// [PP_MODULE_MACRO, SubmoduleID, MacroID, (Overridden SubmoduleID)*]
702
      PP_MODULE_MACRO = 5,
703
    };
704
705
    /// Record types used within a preprocessor detail block.
706
    enum PreprocessorDetailRecordTypes {
707
      /// Describes a macro expansion within the preprocessing record.
708
      PPD_MACRO_EXPANSION = 0,
709
710
      /// Describes a macro definition within the preprocessing record.
711
      PPD_MACRO_DEFINITION = 1,
712
713
      /// Describes an inclusion directive within the preprocessing
714
      /// record.
715
      PPD_INCLUSION_DIRECTIVE = 2
716
    };
717
718
    /// Record types used within a submodule description block.
719
    enum SubmoduleRecordTypes {
720
      /// Metadata for submodules as a whole.
721
      SUBMODULE_METADATA = 0,
722
723
      /// Defines the major attributes of a submodule, including its
724
      /// name and parent.
725
      SUBMODULE_DEFINITION = 1,
726
727
      /// Specifies the umbrella header used to create this module,
728
      /// if any.
729
      SUBMODULE_UMBRELLA_HEADER = 2,
730
731
      /// Specifies a header that falls into this (sub)module.
732
      SUBMODULE_HEADER = 3,
733
734
      /// Specifies a top-level header that falls into this (sub)module.
735
      SUBMODULE_TOPHEADER = 4,
736
737
      /// Specifies an umbrella directory.
738
      SUBMODULE_UMBRELLA_DIR = 5,
739
740
      /// Specifies the submodules that are imported by this
741
      /// submodule.
742
      SUBMODULE_IMPORTS = 6,
743
744
      /// Specifies the submodules that are re-exported from this
745
      /// submodule.
746
      SUBMODULE_EXPORTS = 7,
747
748
      /// Specifies a required feature.
749
      SUBMODULE_REQUIRES = 8,
750
751
      /// Specifies a header that has been explicitly excluded
752
      /// from this submodule.
753
      SUBMODULE_EXCLUDED_HEADER = 9,
754
755
      /// Specifies a library or framework to link against.
756
      SUBMODULE_LINK_LIBRARY = 10,
757
758
      /// Specifies a configuration macro for this module.
759
      SUBMODULE_CONFIG_MACRO = 11,
760
761
      /// Specifies a conflict with another module.
762
      SUBMODULE_CONFLICT = 12,
763
764
      /// Specifies a header that is private to this submodule.
765
      SUBMODULE_PRIVATE_HEADER = 13,
766
767
      /// Specifies a header that is part of the module but must be
768
      /// textually included.
769
      SUBMODULE_TEXTUAL_HEADER = 14,
770
771
      /// Specifies a header that is private to this submodule but
772
      /// must be textually included.
773
      SUBMODULE_PRIVATE_TEXTUAL_HEADER = 15,
774
775
      /// Specifies some declarations with initializers that must be
776
      /// emitted to initialize the module.
777
      SUBMODULE_INITIALIZERS = 16,
778
779
      /// Specifies the name of the module that will eventually
780
      /// re-export the entities in this module.
781
      SUBMODULE_EXPORT_AS = 17,
782
    };
783
784
    /// Record types used within a comments block.
785
    enum CommentRecordTypes {
786
      COMMENTS_RAW_COMMENT = 0
787
    };
788
789
    /// \defgroup ASTAST AST file AST constants
790
    ///
791
    /// The constants in this group describe various components of the
792
    /// abstract syntax tree within an AST file.
793
    ///
794
    /// @{
795
796
    /// Predefined type IDs.
797
    ///
798
    /// These type IDs correspond to predefined types in the AST
799
    /// context, such as built-in types (int) and special place-holder
800
    /// types (the \<overload> and \<dependent> type markers). Such
801
    /// types are never actually serialized, since they will be built
802
    /// by the AST context when it is created.
803
    enum PredefinedTypeIDs {
804
      /// The NULL type.
805
      PREDEF_TYPE_NULL_ID       = 0,
806
807
      /// The void type.
808
      PREDEF_TYPE_VOID_ID       = 1,
809
810
      /// The 'bool' or '_Bool' type.
811
      PREDEF_TYPE_BOOL_ID       = 2,
812
813
      /// The 'char' type, when it is unsigned.
814
      PREDEF_TYPE_CHAR_U_ID     = 3,
815
816
      /// The 'unsigned char' type.
817
      PREDEF_TYPE_UCHAR_ID      = 4,
818
819
      /// The 'unsigned short' type.
820
      PREDEF_TYPE_USHORT_ID     = 5,
821
822
      /// The 'unsigned int' type.
823
      PREDEF_TYPE_UINT_ID       = 6,
824
825
      /// The 'unsigned long' type.
826
      PREDEF_TYPE_ULONG_ID      = 7,
827
828
      /// The 'unsigned long long' type.
829
      PREDEF_TYPE_ULONGLONG_ID  = 8,
830
831
      /// The 'char' type, when it is signed.
832
      PREDEF_TYPE_CHAR_S_ID     = 9,
833
834
      /// The 'signed char' type.
835
      PREDEF_TYPE_SCHAR_ID      = 10,
836
837
      /// The C++ 'wchar_t' type.
838
      PREDEF_TYPE_WCHAR_ID      = 11,
839
840
      /// The (signed) 'short' type.
841
      PREDEF_TYPE_SHORT_ID      = 12,
842
843
      /// The (signed) 'int' type.
844
      PREDEF_TYPE_INT_ID        = 13,
845
846
      /// The (signed) 'long' type.
847
      PREDEF_TYPE_LONG_ID       = 14,
848
849
      /// The (signed) 'long long' type.
850
      PREDEF_TYPE_LONGLONG_ID   = 15,
851
852
      /// The 'float' type.
853
      PREDEF_TYPE_FLOAT_ID      = 16,
854
855
      /// The 'double' type.
856
      PREDEF_TYPE_DOUBLE_ID     = 17,
857
858
      /// The 'long double' type.
859
      PREDEF_TYPE_LONGDOUBLE_ID = 18,
860
861
      /// The placeholder type for overloaded function sets.
862
      PREDEF_TYPE_OVERLOAD_ID   = 19,
863
864
      /// The placeholder type for dependent types.
865
      PREDEF_TYPE_DEPENDENT_ID  = 20,
866
867
      /// The '__uint128_t' type.
868
      PREDEF_TYPE_UINT128_ID    = 21,
869
870
      /// The '__int128_t' type.
871
      PREDEF_TYPE_INT128_ID     = 22,
872
873
      /// The type of 'nullptr'.
874
      PREDEF_TYPE_NULLPTR_ID    = 23,
875
876
      /// The C++ 'char16_t' type.
877
      PREDEF_TYPE_CHAR16_ID     = 24,
878
879
      /// The C++ 'char32_t' type.
880
      PREDEF_TYPE_CHAR32_ID     = 25,
881
882
      /// The ObjC 'id' type.
883
      PREDEF_TYPE_OBJC_ID       = 26,
884
885
      /// The ObjC 'Class' type.
886
      PREDEF_TYPE_OBJC_CLASS    = 27,
887
888
      /// The ObjC 'SEL' type.
889
      PREDEF_TYPE_OBJC_SEL      = 28,
890
891
      /// The 'unknown any' placeholder type.
892
      PREDEF_TYPE_UNKNOWN_ANY   = 29,
893
894
      /// The placeholder type for bound member functions.
895
      PREDEF_TYPE_BOUND_MEMBER  = 30,
896
897
      /// The "auto" deduction type.
898
      PREDEF_TYPE_AUTO_DEDUCT   = 31,
899
900
      /// The "auto &&" deduction type.
901
      PREDEF_TYPE_AUTO_RREF_DEDUCT = 32,
902
903
      /// The OpenCL 'half' / ARM NEON __fp16 type.
904
      PREDEF_TYPE_HALF_ID       = 33,
905
906
      /// ARC's unbridged-cast placeholder type.
907
      PREDEF_TYPE_ARC_UNBRIDGED_CAST = 34,
908
909
      /// The pseudo-object placeholder type.
910
      PREDEF_TYPE_PSEUDO_OBJECT = 35,
911
912
      /// The placeholder type for builtin functions.
913
      PREDEF_TYPE_BUILTIN_FN = 36,
914
915
      /// OpenCL event type.
916
      PREDEF_TYPE_EVENT_ID      = 37,
917
918
      /// OpenCL clk event type.
919
      PREDEF_TYPE_CLK_EVENT_ID  = 38,
920
921
      /// OpenCL sampler type.
922
      PREDEF_TYPE_SAMPLER_ID    = 39,
923
924
      /// OpenCL queue type.
925
      PREDEF_TYPE_QUEUE_ID      = 40,
926
927
      /// OpenCL reserve_id type.
928
      PREDEF_TYPE_RESERVE_ID_ID = 41,
929
930
      /// The placeholder type for OpenMP array section.
931
      PREDEF_TYPE_OMP_ARRAY_SECTION = 42,
932
933
      /// The '__float128' type
934
      PREDEF_TYPE_FLOAT128_ID = 43,
935
936
      /// The '_Float16' type
937
      PREDEF_TYPE_FLOAT16_ID = 44,
938
939
      /// The C++ 'char8_t' type.
940
      PREDEF_TYPE_CHAR8_ID = 45,
941
942
      /// \brief The 'short _Accum' type
943
      PREDEF_TYPE_SHORT_ACCUM_ID    = 46,
944
945
      /// \brief The '_Accum' type
946
      PREDEF_TYPE_ACCUM_ID      = 47,
947
948
      /// \brief The 'long _Accum' type
949
      PREDEF_TYPE_LONG_ACCUM_ID = 48,
950
951
      /// \brief The 'unsigned short _Accum' type
952
      PREDEF_TYPE_USHORT_ACCUM_ID   = 49,
953
954
      /// \brief The 'unsigned _Accum' type
955
      PREDEF_TYPE_UACCUM_ID     = 50,
956
957
      /// \brief The 'unsigned long _Accum' type
958
      PREDEF_TYPE_ULONG_ACCUM_ID    = 51,
959
960
      /// \brief The 'short _Fract' type
961
      PREDEF_TYPE_SHORT_FRACT_ID = 52,
962
963
      /// \brief The '_Fract' type
964
      PREDEF_TYPE_FRACT_ID = 53,
965
966
      /// \brief The 'long _Fract' type
967
      PREDEF_TYPE_LONG_FRACT_ID = 54,
968
969
      /// \brief The 'unsigned short _Fract' type
970
      PREDEF_TYPE_USHORT_FRACT_ID = 55,
971
972
      /// \brief The 'unsigned _Fract' type
973
      PREDEF_TYPE_UFRACT_ID = 56,
974
975
      /// \brief The 'unsigned long _Fract' type
976
      PREDEF_TYPE_ULONG_FRACT_ID = 57,
977
978
      /// \brief The '_Sat short _Accum' type
979
      PREDEF_TYPE_SAT_SHORT_ACCUM_ID = 58,
980
981
      /// \brief The '_Sat _Accum' type
982
      PREDEF_TYPE_SAT_ACCUM_ID = 59,
983
984
      /// \brief The '_Sat long _Accum' type
985
      PREDEF_TYPE_SAT_LONG_ACCUM_ID = 60,
986
987
      /// \brief The '_Sat unsigned short _Accum' type
988
      PREDEF_TYPE_SAT_USHORT_ACCUM_ID = 61,
989
990
      /// \brief The '_Sat unsigned _Accum' type
991
      PREDEF_TYPE_SAT_UACCUM_ID = 62,
992
993
      /// \brief The '_Sat unsigned long _Accum' type
994
      PREDEF_TYPE_SAT_ULONG_ACCUM_ID = 63,
995
996
      /// \brief The '_Sat short _Fract' type
997
      PREDEF_TYPE_SAT_SHORT_FRACT_ID = 64,
998
999
      /// \brief The '_Sat _Fract' type
1000
      PREDEF_TYPE_SAT_FRACT_ID = 65,
1001
1002
      /// \brief The '_Sat long _Fract' type
1003
      PREDEF_TYPE_SAT_LONG_FRACT_ID = 66,
1004
1005
      /// \brief The '_Sat unsigned short _Fract' type
1006
      PREDEF_TYPE_SAT_USHORT_FRACT_ID = 67,
1007
1008
      /// \brief The '_Sat unsigned _Fract' type
1009
      PREDEF_TYPE_SAT_UFRACT_ID = 68,
1010
1011
      /// \brief The '_Sat unsigned long _Fract' type
1012
      PREDEF_TYPE_SAT_ULONG_FRACT_ID = 69,
1013
1014
      /// OpenCL image types with auto numeration
1015
#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
1016
      PREDEF_TYPE_##Id##_ID,
1017
#include "clang/Basic/OpenCLImageTypes.def"
1018
      /// \brief OpenCL extension types with auto numeration
1019
#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
1020
      PREDEF_TYPE_##Id##_ID,
1021
#include "clang/Basic/OpenCLExtensionTypes.def"
1022
    };
1023
1024
    /// The number of predefined type IDs that are reserved for
1025
    /// the PREDEF_TYPE_* constants.
1026
    ///
1027
    /// Type IDs for non-predefined types will start at
1028
    /// NUM_PREDEF_TYPE_IDs.
1029
    const unsigned NUM_PREDEF_TYPE_IDS = 200;
1030
1031
    /// Record codes for each kind of type.
1032
    ///
1033
    /// These constants describe the type records that can occur within a
1034
    /// block identified by DECLTYPES_BLOCK_ID in the AST file. Each
1035
    /// constant describes a record for a specific type class in the
1036
    /// AST. Note that DeclCode values share this code space.
1037
    enum TypeCode {
1038
      /// An ExtQualType record.
1039
      TYPE_EXT_QUAL = 1,
1040
1041
      /// A ComplexType record.
1042
      TYPE_COMPLEX = 3,
1043
1044
      /// A PointerType record.
1045
      TYPE_POINTER = 4,
1046
1047
      /// A BlockPointerType record.
1048
      TYPE_BLOCK_POINTER = 5,
1049
1050
      /// An LValueReferenceType record.
1051
      TYPE_LVALUE_REFERENCE = 6,
1052
1053
      /// An RValueReferenceType record.
1054
      TYPE_RVALUE_REFERENCE = 7,
1055
1056
      /// A MemberPointerType record.
1057
      TYPE_MEMBER_POINTER = 8,
1058
1059
      /// A ConstantArrayType record.
1060
      TYPE_CONSTANT_ARRAY = 9,
1061
1062
      /// An IncompleteArrayType record.
1063
      TYPE_INCOMPLETE_ARRAY = 10,
1064
1065
      /// A VariableArrayType record.
1066
      TYPE_VARIABLE_ARRAY = 11,
1067
1068
      /// A VectorType record.
1069
      TYPE_VECTOR = 12,
1070
1071
      /// An ExtVectorType record.
1072
      TYPE_EXT_VECTOR = 13,
1073
1074
      /// A FunctionNoProtoType record.
1075
      TYPE_FUNCTION_NO_PROTO = 14,
1076
1077
      /// A FunctionProtoType record.
1078
      TYPE_FUNCTION_PROTO = 15,
1079
1080
      /// A TypedefType record.
1081
      TYPE_TYPEDEF = 16,
1082
1083
      /// A TypeOfExprType record.
1084
      TYPE_TYPEOF_EXPR = 17,
1085
1086
      /// A TypeOfType record.
1087
      TYPE_TYPEOF = 18,
1088
1089
      /// A RecordType record.
1090
      TYPE_RECORD = 19,
1091
1092
      /// An EnumType record.
1093
      TYPE_ENUM = 20,
1094
1095
      /// An ObjCInterfaceType record.
1096
      TYPE_OBJC_INTERFACE = 21,
1097
1098
      /// An ObjCObjectPointerType record.
1099
      TYPE_OBJC_OBJECT_POINTER = 22,
1100
1101
      /// a DecltypeType record.
1102
      TYPE_DECLTYPE = 23,
1103
1104
      /// An ElaboratedType record.
1105
      TYPE_ELABORATED = 24,
1106
1107
      /// A SubstTemplateTypeParmType record.
1108
      TYPE_SUBST_TEMPLATE_TYPE_PARM = 25,
1109
1110
      /// An UnresolvedUsingType record.
1111
      TYPE_UNRESOLVED_USING = 26,
1112
1113
      /// An InjectedClassNameType record.
1114
      TYPE_INJECTED_CLASS_NAME = 27,
1115
1116
      /// An ObjCObjectType record.
1117
      TYPE_OBJC_OBJECT = 28,
1118
1119
      /// An TemplateTypeParmType record.
1120
      TYPE_TEMPLATE_TYPE_PARM = 29,
1121
1122
      /// An TemplateSpecializationType record.
1123
      TYPE_TEMPLATE_SPECIALIZATION = 30,
1124
1125
      /// A DependentNameType record.
1126
      TYPE_DEPENDENT_NAME = 31,
1127
1128
      /// A DependentTemplateSpecializationType record.
1129
      TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION = 32,
1130
1131
      /// A DependentSizedArrayType record.
1132
      TYPE_DEPENDENT_SIZED_ARRAY = 33,
1133
1134
      /// A ParenType record.
1135
      TYPE_PAREN = 34,
1136
1137
      /// A PackExpansionType record.
1138
      TYPE_PACK_EXPANSION = 35,
1139
1140
      /// An AttributedType record.
1141
      TYPE_ATTRIBUTED = 36,
1142
1143
      /// A SubstTemplateTypeParmPackType record.
1144
      TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK = 37,
1145
1146
      /// A AutoType record.
1147
      TYPE_AUTO = 38,
1148
1149
      /// A UnaryTransformType record.
1150
      TYPE_UNARY_TRANSFORM = 39,
1151
1152
      /// An AtomicType record.
1153
      TYPE_ATOMIC = 40,
1154
1155
      /// A DecayedType record.
1156
      TYPE_DECAYED = 41,
1157
1158
      /// An AdjustedType record.
1159
      TYPE_ADJUSTED = 42,
1160
1161
      /// A PipeType record.
1162
      TYPE_PIPE = 43,
1163
1164
      /// An ObjCTypeParamType record.
1165
      TYPE_OBJC_TYPE_PARAM = 44,
1166
1167
      /// A DeducedTemplateSpecializationType record.
1168
      TYPE_DEDUCED_TEMPLATE_SPECIALIZATION = 45,
1169
1170
      /// A DependentSizedExtVectorType record.
1171
      TYPE_DEPENDENT_SIZED_EXT_VECTOR = 46,
1172
1173
      /// A DependentAddressSpaceType record.
1174
      TYPE_DEPENDENT_ADDRESS_SPACE = 47,
1175
1176
      /// A dependentSizedVectorType record.
1177
      TYPE_DEPENDENT_SIZED_VECTOR = 48
1178
    };
1179
1180
    /// The type IDs for special types constructed by semantic
1181
    /// analysis.
1182
    ///
1183
    /// The constants in this enumeration are indices into the
1184
    /// SPECIAL_TYPES record.
1185
    enum SpecialTypeIDs {
1186
      /// CFConstantString type
1187
      SPECIAL_TYPE_CF_CONSTANT_STRING          = 0,
1188
1189
      /// C FILE typedef type
1190
      SPECIAL_TYPE_FILE                        = 1,
1191
1192
      /// C jmp_buf typedef type
1193
      SPECIAL_TYPE_JMP_BUF                     = 2,
1194
1195
      /// C sigjmp_buf typedef type
1196
      SPECIAL_TYPE_SIGJMP_BUF                  = 3,
1197
1198
      /// Objective-C "id" redefinition type
1199
      SPECIAL_TYPE_OBJC_ID_REDEFINITION        = 4,
1200
1201
      /// Objective-C "Class" redefinition type
1202
      SPECIAL_TYPE_OBJC_CLASS_REDEFINITION     = 5,
1203
1204
      /// Objective-C "SEL" redefinition type
1205
      SPECIAL_TYPE_OBJC_SEL_REDEFINITION       = 6,
1206
1207
      /// C ucontext_t typedef type
1208
      SPECIAL_TYPE_UCONTEXT_T                  = 7
1209
    };
1210
1211
    /// The number of special type IDs.
1212
    const unsigned NumSpecialTypeIDs = 8;
1213
1214
    /// Predefined declaration IDs.
1215
    ///
1216
    /// These declaration IDs correspond to predefined declarations in the AST
1217
    /// context, such as the NULL declaration ID. Such declarations are never
1218
    /// actually serialized, since they will be built by the AST context when
1219
    /// it is created.
1220
    enum PredefinedDeclIDs {
1221
      /// The NULL declaration.
1222
      PREDEF_DECL_NULL_ID = 0,
1223
1224
      /// The translation unit.
1225
      PREDEF_DECL_TRANSLATION_UNIT_ID = 1,
1226
1227
      /// The Objective-C 'id' type.
1228
      PREDEF_DECL_OBJC_ID_ID = 2,
1229
1230
      /// The Objective-C 'SEL' type.
1231
      PREDEF_DECL_OBJC_SEL_ID = 3,
1232
1233
      /// The Objective-C 'Class' type.
1234
      PREDEF_DECL_OBJC_CLASS_ID = 4,
1235
1236
      /// The Objective-C 'Protocol' type.
1237
      PREDEF_DECL_OBJC_PROTOCOL_ID = 5,
1238
1239
      /// The signed 128-bit integer type.
1240
      PREDEF_DECL_INT_128_ID = 6,
1241
1242
      /// The unsigned 128-bit integer type.
1243
      PREDEF_DECL_UNSIGNED_INT_128_ID = 7,
1244
1245
      /// The internal 'instancetype' typedef.
1246
      PREDEF_DECL_OBJC_INSTANCETYPE_ID = 8,
1247
1248
      /// The internal '__builtin_va_list' typedef.
1249
      PREDEF_DECL_BUILTIN_VA_LIST_ID = 9,
1250
1251
      /// The internal '__va_list_tag' struct, if any.
1252
      PREDEF_DECL_VA_LIST_TAG = 10,
1253
1254
      /// The internal '__builtin_ms_va_list' typedef.
1255
      PREDEF_DECL_BUILTIN_MS_VA_LIST_ID = 11,
1256
1257
      /// The extern "C" context.
1258
      PREDEF_DECL_EXTERN_C_CONTEXT_ID = 12,
1259
1260
      /// The internal '__make_integer_seq' template.
1261
      PREDEF_DECL_MAKE_INTEGER_SEQ_ID = 13,
1262
1263
      /// The internal '__NSConstantString' typedef.
1264
      PREDEF_DECL_CF_CONSTANT_STRING_ID = 14,
1265
1266
      /// The internal '__NSConstantString' tag type.
1267
      PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID = 15,
1268
1269
      /// The internal '__type_pack_element' template.
1270
      PREDEF_DECL_TYPE_PACK_ELEMENT_ID = 16,
1271
    };
1272
1273
    /// The number of declaration IDs that are predefined.
1274
    ///
1275
    /// For more information about predefined declarations, see the
1276
    /// \c PredefinedDeclIDs type and the PREDEF_DECL_*_ID constants.
1277
    const unsigned int NUM_PREDEF_DECL_IDS = 17;
1278
1279
    /// Record of updates for a declaration that was modified after
1280
    /// being deserialized. This can occur within DECLTYPES_BLOCK_ID.
1281
    const unsigned int DECL_UPDATES = 49;
1282
1283
    /// Record code for a list of local redeclarations of a declaration.
1284
    /// This can occur within DECLTYPES_BLOCK_ID.
1285
    const unsigned int LOCAL_REDECLARATIONS = 50;
1286
1287
    /// Record codes for each kind of declaration.
1288
    ///
1289
    /// These constants describe the declaration records that can occur within
1290
    /// a declarations block (identified by DECLTYPES_BLOCK_ID). Each
1291
    /// constant describes a record for a specific declaration class
1292
    /// in the AST. Note that TypeCode values share this code space.
1293
    enum DeclCode {
1294
      /// A TypedefDecl record.
1295
      DECL_TYPEDEF = 51,
1296
      /// A TypeAliasDecl record.
1297
1298
      DECL_TYPEALIAS,
1299
1300
      /// An EnumDecl record.
1301
      DECL_ENUM,
1302
1303
      /// A RecordDecl record.
1304
      DECL_RECORD,
1305
1306
      /// An EnumConstantDecl record.
1307
      DECL_ENUM_CONSTANT,
1308
1309
      /// A FunctionDecl record.
1310
      DECL_FUNCTION,
1311
1312
      /// A ObjCMethodDecl record.
1313
      DECL_OBJC_METHOD,
1314
1315
      /// A ObjCInterfaceDecl record.
1316
      DECL_OBJC_INTERFACE,
1317
1318
      /// A ObjCProtocolDecl record.
1319
      DECL_OBJC_PROTOCOL,
1320
1321
      /// A ObjCIvarDecl record.
1322
      DECL_OBJC_IVAR,
1323
1324
      /// A ObjCAtDefsFieldDecl record.
1325
      DECL_OBJC_AT_DEFS_FIELD,
1326
1327
      /// A ObjCCategoryDecl record.
1328
      DECL_OBJC_CATEGORY,
1329
1330
      /// A ObjCCategoryImplDecl record.
1331
      DECL_OBJC_CATEGORY_IMPL,
1332
1333
      /// A ObjCImplementationDecl record.
1334
      DECL_OBJC_IMPLEMENTATION,
1335
1336
      /// A ObjCCompatibleAliasDecl record.
1337
      DECL_OBJC_COMPATIBLE_ALIAS,
1338
1339
      /// A ObjCPropertyDecl record.
1340
      DECL_OBJC_PROPERTY,
1341
1342
      /// A ObjCPropertyImplDecl record.
1343
      DECL_OBJC_PROPERTY_IMPL,
1344
1345
      /// A FieldDecl record.
1346
      DECL_FIELD,
1347
1348
      /// A MSPropertyDecl record.
1349
      DECL_MS_PROPERTY,
1350
1351
      /// A VarDecl record.
1352
      DECL_VAR,
1353
1354
      /// An ImplicitParamDecl record.
1355
      DECL_IMPLICIT_PARAM,
1356
1357
      /// A ParmVarDecl record.
1358
      DECL_PARM_VAR,
1359
1360
      /// A DecompositionDecl record.
1361
      DECL_DECOMPOSITION,
1362
1363
      /// A BindingDecl record.
1364
      DECL_BINDING,
1365
1366
      /// A FileScopeAsmDecl record.
1367
      DECL_FILE_SCOPE_ASM,
1368
1369
      /// A BlockDecl record.
1370
      DECL_BLOCK,
1371
1372
      /// A CapturedDecl record.
1373
      DECL_CAPTURED,
1374
1375
      /// A record that stores the set of declarations that are
1376
      /// lexically stored within a given DeclContext.
1377
      ///
1378
      /// The record itself is a blob that is an array of declaration IDs,
1379
      /// in the order in which those declarations were added to the
1380
      /// declaration context. This data is used when iterating over
1381
      /// the contents of a DeclContext, e.g., via
1382
      /// DeclContext::decls_begin() and DeclContext::decls_end().
1383
      DECL_CONTEXT_LEXICAL,
1384
1385
      /// A record that stores the set of declarations that are
1386
      /// visible from a given DeclContext.
1387
      ///
1388
      /// The record itself stores a set of mappings, each of which
1389
      /// associates a declaration name with one or more declaration
1390
      /// IDs. This data is used when performing qualified name lookup
1391
      /// into a DeclContext via DeclContext::lookup.
1392
      DECL_CONTEXT_VISIBLE,
1393
1394
      /// A LabelDecl record.
1395
      DECL_LABEL,
1396
1397
      /// A NamespaceDecl record.
1398
      DECL_NAMESPACE,
1399
1400
      /// A NamespaceAliasDecl record.
1401
      DECL_NAMESPACE_ALIAS,
1402
1403
      /// A UsingDecl record.
1404
      DECL_USING,
1405
1406
      /// A UsingPackDecl record.
1407
      DECL_USING_PACK,
1408
1409
      /// A UsingShadowDecl record.
1410
      DECL_USING_SHADOW,
1411
1412
      /// A ConstructorUsingShadowDecl record.
1413
      DECL_CONSTRUCTOR_USING_SHADOW,
1414
1415
      /// A UsingDirecitveDecl record.
1416
      DECL_USING_DIRECTIVE,
1417
1418
      /// An UnresolvedUsingValueDecl record.
1419
      DECL_UNRESOLVED_USING_VALUE,
1420
1421
      /// An UnresolvedUsingTypenameDecl record.
1422
      DECL_UNRESOLVED_USING_TYPENAME,
1423
1424
      /// A LinkageSpecDecl record.
1425
      DECL_LINKAGE_SPEC,
1426
1427
      /// An ExportDecl record.
1428
      DECL_EXPORT,
1429
1430
      /// A CXXRecordDecl record.
1431
      DECL_CXX_RECORD,
1432
1433
      /// A CXXDeductionGuideDecl record.
1434
      DECL_CXX_DEDUCTION_GUIDE,
1435
1436
      /// A CXXMethodDecl record.
1437
      DECL_CXX_METHOD,
1438
1439
      /// A CXXConstructorDecl record.
1440
      DECL_CXX_CONSTRUCTOR,
1441
1442
      /// A CXXConstructorDecl record for an inherited constructor.
1443
      DECL_CXX_INHERITED_CONSTRUCTOR,
1444
1445
      /// A CXXDestructorDecl record.
1446
      DECL_CXX_DESTRUCTOR,
1447
1448
      /// A CXXConversionDecl record.
1449
      DECL_CXX_CONVERSION,
1450
1451
      /// An AccessSpecDecl record.
1452
      DECL_ACCESS_SPEC,
1453
1454
      /// A FriendDecl record.
1455
      DECL_FRIEND,
1456
1457
      /// A FriendTemplateDecl record.
1458
      DECL_FRIEND_TEMPLATE,
1459
1460
      /// A ClassTemplateDecl record.
1461
      DECL_CLASS_TEMPLATE,
1462
1463
      /// A ClassTemplateSpecializationDecl record.
1464
      DECL_CLASS_TEMPLATE_SPECIALIZATION,
1465
1466
      /// A ClassTemplatePartialSpecializationDecl record.
1467
      DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION,
1468
1469
      /// A VarTemplateDecl record.
1470
      DECL_VAR_TEMPLATE,
1471
1472
      /// A VarTemplateSpecializationDecl record.
1473
      DECL_VAR_TEMPLATE_SPECIALIZATION,
1474
1475
      /// A VarTemplatePartialSpecializationDecl record.
1476
      DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION,
1477
1478
      /// A FunctionTemplateDecl record.
1479
      DECL_FUNCTION_TEMPLATE,
1480
1481
      /// A TemplateTypeParmDecl record.
1482
      DECL_TEMPLATE_TYPE_PARM,
1483
1484
      /// A NonTypeTemplateParmDecl record.
1485
      DECL_NON_TYPE_TEMPLATE_PARM,
1486
1487
      /// A TemplateTemplateParmDecl record.
1488
      DECL_TEMPLATE_TEMPLATE_PARM,
1489
1490
      /// A TypeAliasTemplateDecl record.
1491
      DECL_TYPE_ALIAS_TEMPLATE,
1492
1493
      /// A StaticAssertDecl record.
1494
      DECL_STATIC_ASSERT,
1495
1496
      /// A record containing CXXBaseSpecifiers.
1497
      DECL_CXX_BASE_SPECIFIERS,
1498
1499
      /// A record containing CXXCtorInitializers.
1500
      DECL_CXX_CTOR_INITIALIZERS,
1501
1502
      /// A IndirectFieldDecl record.
1503
      DECL_INDIRECTFIELD,
1504
1505
      /// A NonTypeTemplateParmDecl record that stores an expanded
1506
      /// non-type template parameter pack.
1507
      DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK,
1508
1509
      /// A TemplateTemplateParmDecl record that stores an expanded
1510
      /// template template parameter pack.
1511
      DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK,
1512
1513
      /// A ClassScopeFunctionSpecializationDecl record a class scope
1514
      /// function specialization. (Microsoft extension).
1515
      DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION,
1516
1517
      /// An ImportDecl recording a module import.
1518
      DECL_IMPORT,
1519
1520
      /// An OMPThreadPrivateDecl record.
1521
      DECL_OMP_THREADPRIVATE,
1522
1523
      /// An OMPRequiresDecl record.
1524
      DECL_OMP_REQUIRES,
1525
   
1526
      /// An EmptyDecl record.
1527
      DECL_EMPTY,
1528
1529
      /// An ObjCTypeParamDecl record.
1530
      DECL_OBJC_TYPE_PARAM,
1531
1532
      /// An OMPCapturedExprDecl record.
1533
      DECL_OMP_CAPTUREDEXPR,
1534
1535
      /// A PragmaCommentDecl record.
1536
      DECL_PRAGMA_COMMENT,
1537
1538
      /// A PragmaDetectMismatchDecl record.
1539
      DECL_PRAGMA_DETECT_MISMATCH,
1540
1541
      /// An OMPDeclareReductionDecl record.
1542
      DECL_OMP_DECLARE_REDUCTION,
1543
1544
      DECL_LAST = DECL_OMP_DECLARE_REDUCTION
1545
    };
1546
1547
    /// Record codes for each kind of statement or expression.
1548
    ///
1549
    /// These constants describe the records that describe statements
1550
    /// or expressions. These records  occur within type and declarations
1551
    /// block, so they begin with record values of 128.  Each constant
1552
    /// describes a record for a specific statement or expression class in the
1553
    /// AST.
1554
    enum StmtCode {
1555
      /// A marker record that indicates that we are at the end
1556
      /// of an expression.
1557
      STMT_STOP = DECL_LAST + 1,
1558
1559
      /// A NULL expression.
1560
      STMT_NULL_PTR,
1561
1562
      /// A reference to a previously [de]serialized Stmt record.
1563
      STMT_REF_PTR,
1564
1565
      /// A NullStmt record.
1566
      STMT_NULL,
1567
1568
      /// A CompoundStmt record.
1569
      STMT_COMPOUND,
1570
1571
      /// A CaseStmt record.
1572
      STMT_CASE,
1573
1574
      /// A DefaultStmt record.
1575
      STMT_DEFAULT,
1576
1577
      /// A LabelStmt record.
1578
      STMT_LABEL,
1579
1580
      /// An AttributedStmt record.
1581
      STMT_ATTRIBUTED,
1582
1583
      /// An IfStmt record.
1584
      STMT_IF,
1585
1586
      /// A SwitchStmt record.
1587
      STMT_SWITCH,
1588
1589
      /// A WhileStmt record.
1590
      STMT_WHILE,
1591
1592
      /// A DoStmt record.
1593
      STMT_DO,
1594
1595
      /// A ForStmt record.
1596
      STMT_FOR,
1597
1598
      /// A GotoStmt record.
1599
      STMT_GOTO,
1600
1601
      /// An IndirectGotoStmt record.
1602
      STMT_INDIRECT_GOTO,
1603
1604
      /// A ContinueStmt record.
1605
      STMT_CONTINUE,
1606
1607
      /// A BreakStmt record.
1608
      STMT_BREAK,
1609
1610
      /// A ReturnStmt record.
1611
      STMT_RETURN,
1612
1613
      /// A DeclStmt record.
1614
      STMT_DECL,
1615
1616
      /// A CapturedStmt record.
1617
      STMT_CAPTURED,
1618
1619
      /// A GCC-style AsmStmt record.
1620
      STMT_GCCASM,
1621
1622
      /// A MS-style AsmStmt record.
1623
      STMT_MSASM,
1624
1625
      /// A constant expression context.
1626
      EXPR_CONSTANT,
1627
1628
      /// A PredefinedExpr record.
1629
      EXPR_PREDEFINED,
1630
1631
      /// A DeclRefExpr record.
1632
      EXPR_DECL_REF,
1633
1634
      /// An IntegerLiteral record.
1635
      EXPR_INTEGER_LITERAL,
1636
1637
      /// A FloatingLiteral record.
1638
      EXPR_FLOATING_LITERAL,
1639
1640
      /// An ImaginaryLiteral record.
1641
      EXPR_IMAGINARY_LITERAL,
1642
1643
      /// A StringLiteral record.
1644
      EXPR_STRING_LITERAL,
1645
1646
      /// A CharacterLiteral record.
1647
      EXPR_CHARACTER_LITERAL,
1648
1649
      /// A ParenExpr record.
1650
      EXPR_PAREN,
1651
1652
      /// A ParenListExpr record.
1653
      EXPR_PAREN_LIST,
1654
1655
      /// A UnaryOperator record.
1656
      EXPR_UNARY_OPERATOR,
1657
1658
      /// An OffsetOfExpr record.
1659
      EXPR_OFFSETOF,
1660
1661
      /// A SizefAlignOfExpr record.
1662
      EXPR_SIZEOF_ALIGN_OF,
1663
1664
      /// An ArraySubscriptExpr record.
1665
      EXPR_ARRAY_SUBSCRIPT,
1666
1667
      /// A CallExpr record.
1668
      EXPR_CALL,
1669
1670
      /// A MemberExpr record.
1671
      EXPR_MEMBER,
1672
1673
      /// A BinaryOperator record.
1674
      EXPR_BINARY_OPERATOR,
1675
1676
      /// A CompoundAssignOperator record.
1677
      EXPR_COMPOUND_ASSIGN_OPERATOR,
1678
1679
      /// A ConditionOperator record.
1680
      EXPR_CONDITIONAL_OPERATOR,
1681
1682
      /// An ImplicitCastExpr record.
1683
      EXPR_IMPLICIT_CAST,
1684
1685
      /// A CStyleCastExpr record.
1686
      EXPR_CSTYLE_CAST,
1687
1688
      /// A CompoundLiteralExpr record.
1689
      EXPR_COMPOUND_LITERAL,
1690
1691
      /// An ExtVectorElementExpr record.
1692
      EXPR_EXT_VECTOR_ELEMENT,
1693
1694
      /// An InitListExpr record.
1695
      EXPR_INIT_LIST,
1696
1697
      /// A DesignatedInitExpr record.
1698
      EXPR_DESIGNATED_INIT,
1699
1700
      /// A DesignatedInitUpdateExpr record.
1701
      EXPR_DESIGNATED_INIT_UPDATE,
1702
1703
      /// An NoInitExpr record.
1704
      EXPR_NO_INIT,
1705
1706
      /// An ArrayInitLoopExpr record.
1707
      EXPR_ARRAY_INIT_LOOP,
1708
1709
      /// An ArrayInitIndexExpr record.
1710
      EXPR_ARRAY_INIT_INDEX,
1711
1712
      /// An ImplicitValueInitExpr record.
1713
      EXPR_IMPLICIT_VALUE_INIT,
1714
1715
      /// A VAArgExpr record.
1716
      EXPR_VA_ARG,
1717
1718
      /// An AddrLabelExpr record.
1719
      EXPR_ADDR_LABEL,
1720
1721
      /// A StmtExpr record.
1722
      EXPR_STMT,
1723
1724
      /// A ChooseExpr record.
1725
      EXPR_CHOOSE,
1726
1727
      /// A GNUNullExpr record.
1728
      EXPR_GNU_NULL,
1729
1730
      /// A ShuffleVectorExpr record.
1731
      EXPR_SHUFFLE_VECTOR,
1732
1733
      /// A ConvertVectorExpr record.
1734
      EXPR_CONVERT_VECTOR,
1735
1736
      /// BlockExpr
1737
      EXPR_BLOCK,
1738
1739
      /// A GenericSelectionExpr record.
1740
      EXPR_GENERIC_SELECTION,
1741
1742
      /// A PseudoObjectExpr record.
1743
      EXPR_PSEUDO_OBJECT,
1744
1745
      /// An AtomicExpr record.
1746
      EXPR_ATOMIC,
1747
1748
      // Objective-C
1749
1750
      /// An ObjCStringLiteral record.
1751
      EXPR_OBJC_STRING_LITERAL,
1752
1753
      EXPR_OBJC_BOXED_EXPRESSION,
1754
      EXPR_OBJC_ARRAY_LITERAL,
1755
      EXPR_OBJC_DICTIONARY_LITERAL,
1756
1757
      /// An ObjCEncodeExpr record.
1758
      EXPR_OBJC_ENCODE,
1759
1760
      /// An ObjCSelectorExpr record.
1761
      EXPR_OBJC_SELECTOR_EXPR,
1762
1763
      /// An ObjCProtocolExpr record.
1764
      EXPR_OBJC_PROTOCOL_EXPR,
1765
1766
      /// An ObjCIvarRefExpr record.
1767
      EXPR_OBJC_IVAR_REF_EXPR,
1768
1769
      /// An ObjCPropertyRefExpr record.
1770
      EXPR_OBJC_PROPERTY_REF_EXPR,
1771
1772
      /// An ObjCSubscriptRefExpr record.
1773
      EXPR_OBJC_SUBSCRIPT_REF_EXPR,
1774
1775
      /// UNUSED
1776
      EXPR_OBJC_KVC_REF_EXPR,
1777
1778
      /// An ObjCMessageExpr record.
1779
      EXPR_OBJC_MESSAGE_EXPR,
1780
1781
      /// An ObjCIsa Expr record.
1782
      EXPR_OBJC_ISA,
1783
1784
      /// An ObjCIndirectCopyRestoreExpr record.
1785
      EXPR_OBJC_INDIRECT_COPY_RESTORE,
1786
1787
      /// An ObjCForCollectionStmt record.
1788
      STMT_OBJC_FOR_COLLECTION,
1789
1790
      /// An ObjCAtCatchStmt record.
1791
      STMT_OBJC_CATCH,
1792
1793
      /// An ObjCAtFinallyStmt record.
1794
      STMT_OBJC_FINALLY,
1795
1796
      /// An ObjCAtTryStmt record.
1797
      STMT_OBJC_AT_TRY,
1798
1799
      /// An ObjCAtSynchronizedStmt record.
1800
      STMT_OBJC_AT_SYNCHRONIZED,
1801
1802
      /// An ObjCAtThrowStmt record.
1803
      STMT_OBJC_AT_THROW,
1804
1805
      /// An ObjCAutoreleasePoolStmt record.
1806
      STMT_OBJC_AUTORELEASE_POOL,
1807
1808
      /// An ObjCBoolLiteralExpr record.
1809
      EXPR_OBJC_BOOL_LITERAL,
1810
1811
      /// An ObjCAvailabilityCheckExpr record.
1812
      EXPR_OBJC_AVAILABILITY_CHECK,
1813
1814
      // C++
1815
1816
      /// A CXXCatchStmt record.
1817
      STMT_CXX_CATCH,
1818
1819
      /// A CXXTryStmt record.
1820
      STMT_CXX_TRY,
1821
      /// A CXXForRangeStmt record.
1822
1823
      STMT_CXX_FOR_RANGE,
1824
1825
      /// A CXXOperatorCallExpr record.
1826
      EXPR_CXX_OPERATOR_CALL,
1827
1828
      /// A CXXMemberCallExpr record.
1829
      EXPR_CXX_MEMBER_CALL,
1830
1831
      /// A CXXConstructExpr record.
1832
      EXPR_CXX_CONSTRUCT,
1833
1834
      /// A CXXInheritedCtorInitExpr record.
1835
      EXPR_CXX_INHERITED_CTOR_INIT,
1836
1837
      /// A CXXTemporaryObjectExpr record.
1838
      EXPR_CXX_TEMPORARY_OBJECT,
1839
1840
      /// A CXXStaticCastExpr record.
1841
      EXPR_CXX_STATIC_CAST,
1842
1843
      /// A CXXDynamicCastExpr record.
1844
      EXPR_CXX_DYNAMIC_CAST,
1845
1846
      /// A CXXReinterpretCastExpr record.
1847
      EXPR_CXX_REINTERPRET_CAST,
1848
1849
      /// A CXXConstCastExpr record.
1850
      EXPR_CXX_CONST_CAST,
1851
1852
      /// A CXXFunctionalCastExpr record.
1853
      EXPR_CXX_FUNCTIONAL_CAST,
1854
1855
      /// A UserDefinedLiteral record.
1856
      EXPR_USER_DEFINED_LITERAL,
1857
1858
      /// A CXXStdInitializerListExpr record.
1859
      EXPR_CXX_STD_INITIALIZER_LIST,
1860
1861
      /// A CXXBoolLiteralExpr record.
1862
      EXPR_CXX_BOOL_LITERAL,
1863
1864
      EXPR_CXX_NULL_PTR_LITERAL,  // CXXNullPtrLiteralExpr
1865
      EXPR_CXX_TYPEID_EXPR,       // CXXTypeidExpr (of expr).
1866
      EXPR_CXX_TYPEID_TYPE,       // CXXTypeidExpr (of type).
1867
      EXPR_CXX_THIS,              // CXXThisExpr
1868
      EXPR_CXX_THROW,             // CXXThrowExpr
1869
      EXPR_CXX_DEFAULT_ARG,       // CXXDefaultArgExpr
1870
      EXPR_CXX_DEFAULT_INIT,      // CXXDefaultInitExpr
1871
      EXPR_CXX_BIND_TEMPORARY,    // CXXBindTemporaryExpr
1872
1873
      EXPR_CXX_SCALAR_VALUE_INIT, // CXXScalarValueInitExpr
1874
      EXPR_CXX_NEW,               // CXXNewExpr
1875
      EXPR_CXX_DELETE,            // CXXDeleteExpr
1876
      EXPR_CXX_PSEUDO_DESTRUCTOR, // CXXPseudoDestructorExpr
1877
1878
      EXPR_EXPR_WITH_CLEANUPS,    // ExprWithCleanups
1879
1880
      EXPR_CXX_DEPENDENT_SCOPE_MEMBER,   // CXXDependentScopeMemberExpr
1881
      EXPR_CXX_DEPENDENT_SCOPE_DECL_REF, // DependentScopeDeclRefExpr
1882
      EXPR_CXX_UNRESOLVED_CONSTRUCT,     // CXXUnresolvedConstructExpr
1883
      EXPR_CXX_UNRESOLVED_MEMBER,        // UnresolvedMemberExpr
1884
      EXPR_CXX_UNRESOLVED_LOOKUP,        // UnresolvedLookupExpr
1885
1886
      EXPR_CXX_EXPRESSION_TRAIT,  // ExpressionTraitExpr
1887
      EXPR_CXX_NOEXCEPT,          // CXXNoexceptExpr
1888
1889
      EXPR_OPAQUE_VALUE,          // OpaqueValueExpr
1890
      EXPR_BINARY_CONDITIONAL_OPERATOR,  // BinaryConditionalOperator
1891
      EXPR_TYPE_TRAIT,            // TypeTraitExpr
1892
      EXPR_ARRAY_TYPE_TRAIT,      // ArrayTypeTraitIntExpr
1893
1894
      EXPR_PACK_EXPANSION,        // PackExpansionExpr
1895
      EXPR_SIZEOF_PACK,           // SizeOfPackExpr
1896
      EXPR_SUBST_NON_TYPE_TEMPLATE_PARM, // SubstNonTypeTemplateParmExpr
1897
      EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK,// SubstNonTypeTemplateParmPackExpr
1898
      EXPR_FUNCTION_PARM_PACK,    // FunctionParmPackExpr
1899
      EXPR_MATERIALIZE_TEMPORARY, // MaterializeTemporaryExpr
1900
      EXPR_CXX_FOLD,              // CXXFoldExpr
1901
1902
      // CUDA
1903
      EXPR_CUDA_KERNEL_CALL,       // CUDAKernelCallExpr
1904
1905
      // OpenCL
1906
      EXPR_ASTYPE,                 // AsTypeExpr
1907
1908
      // Microsoft
1909
      EXPR_CXX_PROPERTY_REF_EXPR, // MSPropertyRefExpr
1910
      EXPR_CXX_PROPERTY_SUBSCRIPT_EXPR, // MSPropertySubscriptExpr
1911
      EXPR_CXX_UUIDOF_EXPR,       // CXXUuidofExpr (of expr).
1912
      EXPR_CXX_UUIDOF_TYPE,       // CXXUuidofExpr (of type).
1913
      STMT_SEH_LEAVE,             // SEHLeaveStmt
1914
      STMT_SEH_EXCEPT,            // SEHExceptStmt
1915
      STMT_SEH_FINALLY,           // SEHFinallyStmt
1916
      STMT_SEH_TRY,               // SEHTryStmt
1917
1918
      // OpenMP directives
1919
      STMT_OMP_PARALLEL_DIRECTIVE,
1920
      STMT_OMP_SIMD_DIRECTIVE,
1921
      STMT_OMP_FOR_DIRECTIVE,
1922
      STMT_OMP_FOR_SIMD_DIRECTIVE,
1923
      STMT_OMP_SECTIONS_DIRECTIVE,
1924
      STMT_OMP_SECTION_DIRECTIVE,
1925
      STMT_OMP_SINGLE_DIRECTIVE,
1926
      STMT_OMP_MASTER_DIRECTIVE,
1927
      STMT_OMP_CRITICAL_DIRECTIVE,
1928
      STMT_OMP_PARALLEL_FOR_DIRECTIVE,
1929
      STMT_OMP_PARALLEL_FOR_SIMD_DIRECTIVE,
1930
      STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE,
1931
      STMT_OMP_TASK_DIRECTIVE,
1932
      STMT_OMP_TASKYIELD_DIRECTIVE,
1933
      STMT_OMP_BARRIER_DIRECTIVE,
1934
      STMT_OMP_TASKWAIT_DIRECTIVE,
1935
      STMT_OMP_FLUSH_DIRECTIVE,
1936
      STMT_OMP_ORDERED_DIRECTIVE,
1937
      STMT_OMP_ATOMIC_DIRECTIVE,
1938
      STMT_OMP_TARGET_DIRECTIVE,
1939
      STMT_OMP_TARGET_DATA_DIRECTIVE,
1940
      STMT_OMP_TARGET_ENTER_DATA_DIRECTIVE,
1941
      STMT_OMP_TARGET_EXIT_DATA_DIRECTIVE,
1942
      STMT_OMP_TARGET_PARALLEL_DIRECTIVE,
1943
      STMT_OMP_TARGET_PARALLEL_FOR_DIRECTIVE,
1944
      STMT_OMP_TEAMS_DIRECTIVE,
1945
      STMT_OMP_TASKGROUP_DIRECTIVE,
1946
      STMT_OMP_CANCELLATION_POINT_DIRECTIVE,
1947
      STMT_OMP_CANCEL_DIRECTIVE,
1948
      STMT_OMP_TASKLOOP_DIRECTIVE,
1949
      STMT_OMP_TASKLOOP_SIMD_DIRECTIVE,
1950
      STMT_OMP_DISTRIBUTE_DIRECTIVE,
1951
      STMT_OMP_TARGET_UPDATE_DIRECTIVE,
1952
      STMT_OMP_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
1953
      STMT_OMP_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
1954
      STMT_OMP_DISTRIBUTE_SIMD_DIRECTIVE,
1955
      STMT_OMP_TARGET_PARALLEL_FOR_SIMD_DIRECTIVE,
1956
      STMT_OMP_TARGET_SIMD_DIRECTIVE,
1957
      STMT_OMP_TEAMS_DISTRIBUTE_DIRECTIVE,
1958
      STMT_OMP_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE,
1959
      STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
1960
      STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
1961
      STMT_OMP_TARGET_TEAMS_DIRECTIVE,
1962
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_DIRECTIVE,
1963
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
1964
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
1965
      STMT_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE,
1966
      EXPR_OMP_ARRAY_SECTION,
1967
1968
      // ARC
1969
      EXPR_OBJC_BRIDGED_CAST,     // ObjCBridgedCastExpr
1970
1971
      STMT_MS_DEPENDENT_EXISTS,   // MSDependentExistsStmt
1972
      EXPR_LAMBDA,                // LambdaExpr
1973
      STMT_COROUTINE_BODY,
1974
      STMT_CORETURN,
1975
      EXPR_COAWAIT,
1976
      EXPR_COYIELD,
1977
      EXPR_DEPENDENT_COAWAIT,
1978
    };
1979
1980
    /// The kinds of designators that can occur in a
1981
    /// DesignatedInitExpr.
1982
    enum DesignatorTypes {
1983
      /// Field designator where only the field name is known.
1984
      DESIG_FIELD_NAME  = 0,
1985
1986
      /// Field designator where the field has been resolved to
1987
      /// a declaration.
1988
      DESIG_FIELD_DECL  = 1,
1989
1990
      /// Array designator.
1991
      DESIG_ARRAY       = 2,
1992
1993
      /// GNU array range designator.
1994
      DESIG_ARRAY_RANGE = 3
1995
    };
1996
1997
    /// The different kinds of data that can occur in a
1998
    /// CtorInitializer.
1999
    enum CtorInitializerType {
2000
      CTOR_INITIALIZER_BASE,
2001
      CTOR_INITIALIZER_DELEGATING,
2002
      CTOR_INITIALIZER_MEMBER,
2003
      CTOR_INITIALIZER_INDIRECT_MEMBER
2004
    };
2005
2006
    /// Describes the redeclarations of a declaration.
2007
    struct LocalRedeclarationsInfo {
2008
      // The ID of the first declaration
2009
      DeclID FirstID;
2010
2011
      // Offset into the array of redeclaration chains.
2012
      unsigned Offset;
2013
2014
      friend bool operator<(const LocalRedeclarationsInfo &X,
2015
0
                            const LocalRedeclarationsInfo &Y) {
2016
0
        return X.FirstID < Y.FirstID;
2017
0
      }
2018
2019
      friend bool operator>(const LocalRedeclarationsInfo &X,
2020
0
                            const LocalRedeclarationsInfo &Y) {
2021
0
        return X.FirstID > Y.FirstID;
2022
0
      }
2023
2024
      friend bool operator<=(const LocalRedeclarationsInfo &X,
2025
                             const LocalRedeclarationsInfo &Y) {
2026
        return X.FirstID <= Y.FirstID;
2027
      }
2028
2029
      friend bool operator>=(const LocalRedeclarationsInfo &X,
2030
0
                             const LocalRedeclarationsInfo &Y) {
2031
0
        return X.FirstID >= Y.FirstID;
2032
0
      }
2033
    };
2034
2035
    /// Describes the categories of an Objective-C class.
2036
    struct ObjCCategoriesInfo {
2037
      // The ID of the definition
2038
      DeclID DefinitionID;
2039
2040
      // Offset into the array of category lists.
2041
      unsigned Offset;
2042
2043
      friend bool operator<(const ObjCCategoriesInfo &X,
2044
104
                            const ObjCCategoriesInfo &Y) {
2045
104
        return X.DefinitionID < Y.DefinitionID;
2046
104
      }
2047
2048
      friend bool operator>(const ObjCCategoriesInfo &X,
2049
0
                            const ObjCCategoriesInfo &Y) {
2050
0
        return X.DefinitionID > Y.DefinitionID;
2051
0
      }
2052
2053
      friend bool operator<=(const ObjCCategoriesInfo &X,
2054
                             const ObjCCategoriesInfo &Y) {
2055
        return X.DefinitionID <= Y.DefinitionID;
2056
      }
2057
2058
      friend bool operator>=(const ObjCCategoriesInfo &X,
2059
0
                             const ObjCCategoriesInfo &Y) {
2060
0
        return X.DefinitionID >= Y.DefinitionID;
2061
0
      }
2062
    };
2063
2064
    /// A key used when looking up entities by \ref DeclarationName.
2065
    ///
2066
    /// Different \ref DeclarationNames are mapped to different keys, but the
2067
    /// same key can occasionally represent multiple names (for names that
2068
    /// contain types, in particular).
2069
    class DeclarationNameKey {
2070
      using NameKind = unsigned;
2071
2072
      NameKind Kind = 0;
2073
      uint64_t Data = 0;
2074
2075
    public:
2076
50.6k
      DeclarationNameKey() = default;
2077
      DeclarationNameKey(DeclarationName Name);
2078
      DeclarationNameKey(NameKind Kind, uint64_t Data)
2079
32.9k
          : Kind(Kind), Data(Data) {}
2080
2081
143k
      NameKind getKind() const { return Kind; }
2082
2083
39.7k
      IdentifierInfo *getIdentifier() const {
2084
39.7k
        assert(Kind == DeclarationName::Identifier ||
2085
39.7k
               Kind == DeclarationName::CXXLiteralOperatorName ||
2086
39.7k
               Kind == DeclarationName::CXXDeductionGuideName);
2087
39.7k
        return (IdentifierInfo *)Data;
2088
39.7k
      }
2089
2090
574
      Selector getSelector() const {
2091
574
        assert(Kind == DeclarationName::ObjCZeroArgSelector ||
2092
574
               Kind == DeclarationName::ObjCOneArgSelector ||
2093
574
               Kind == DeclarationName::ObjCMultiArgSelector);
2094
574
        return Selector(Data);
2095
574
      }
2096
2097
1.43k
      OverloadedOperatorKind getOperatorKind() const {
2098
1.43k
        assert(Kind == DeclarationName::CXXOperatorName);
2099
1.43k
        return (OverloadedOperatorKind)Data;
2100
1.43k
      }
2101
2102
      /// Compute a fingerprint of this key for use in on-disk hash table.
2103
      unsigned getHash() const;
2104
2105
      friend bool operator==(const DeclarationNameKey &A,
2106
38.3k
                             const DeclarationNameKey &B) {
2107
38.3k
        return A.Kind == B.Kind && 
A.Data == B.Data31.3k
;
2108
38.3k
      }
2109
    };
2110
2111
    /// @}
2112
2113
} // namespace serialization
2114
} // namespace clang
2115
2116
namespace llvm {
2117
2118
  template <> struct DenseMapInfo<clang::serialization::DeclarationNameKey> {
2119
4.52k
    static clang::serialization::DeclarationNameKey getEmptyKey() {
2120
4.52k
      return clang::serialization::DeclarationNameKey(-1, 1);
2121
4.52k
    }
2122
2123
3.71k
    static clang::serialization::DeclarationNameKey getTombstoneKey() {
2124
3.71k
      return clang::serialization::DeclarationNameKey(-1, 2);
2125
3.71k
    }
2126
2127
    static unsigned
2128
3.52k
    getHashValue(const clang::serialization::DeclarationNameKey &Key) {
2129
3.52k
      return Key.getHash();
2130
3.52k
    }
2131
2132
    static bool isEqual(const clang::serialization::DeclarationNameKey &L,
2133
16.1k
                        const clang::serialization::DeclarationNameKey &R) {
2134
16.1k
      return L == R;
2135
16.1k
    }
2136
  };
2137
2138
} // namespace llvm
2139
2140
#endif // LLVM_CLANG_SERIALIZATION_ASTBITCODES_H