Add OpenCL images as clang builtin types.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@170428 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 1367 insertions, 1355 deletions

diff --git a/include/clang/Serialization/ASTBitCodes.h b/include/clang/Serialization/ASTBitCodes.h
index 4273e14787..868a1758b6 100644
--- a/include/clang/Serialization/ASTBitCodes.h
+++ b/include/clang/Serialization/ASTBitCodes.h
@@ -1,1355 +1,1367 @@
-//===- ASTBitCodes.h - Enum values for the PCH bitcode format ---*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This header defines Bitcode enum values for Clang serialized AST files.
-//
-// The enum values defined in this file should be considered permanent.  If
-// new features are added, they should have values added at the end of the
-// respective lists.
-//
-//===----------------------------------------------------------------------===//
-#ifndef LLVM_CLANG_FRONTEND_PCHBITCODES_H
-#define LLVM_CLANG_FRONTEND_PCHBITCODES_H
-
-#include "clang/AST/Type.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/Bitcode/BitCodes.h"
-#include "llvm/Support/DataTypes.h"
-
-namespace clang {
-  namespace serialization {
-    /// \brief AST file major version number supported by this version of
-    /// Clang.
-    ///
-    /// Whenever the AST file format changes in a way that makes it
-    /// incompatible with previous versions (such that a reader
-    /// designed for the previous version could not support reading
-    /// the new version), this number should be increased.
-    ///
-    /// Version 4 of AST files also requires that the version control branch and
-    /// revision match exactly, since there is no backward compatibility of
-    /// AST files at this time.
-    const unsigned VERSION_MAJOR = 5;
-
-    /// \brief AST file minor version number supported by this version of
-    /// Clang.
-    ///
-    /// Whenever the AST format changes in a way that is still
-    /// compatible with previous versions (such that a reader designed
-    /// for the previous version could still support reading the new
-    /// version by ignoring new kinds of subblocks), this number
-    /// should be increased.
-    const unsigned VERSION_MINOR = 0;
-
-    /// \brief An ID number that refers to an identifier in an AST file.
-    /// 
-    /// The ID numbers of identifiers are consecutive (in order of discovery)
-    /// and start at 1. 0 is reserved for NULL.
-    typedef uint32_t IdentifierID;
-    
-    /// \brief An ID number that refers to a declaration in an AST file.
-    ///
-    /// The ID numbers of declarations are consecutive (in order of
-    /// discovery), with values below NUM_PREDEF_DECL_IDS being reserved. 
-    /// At the start of a chain of precompiled headers, declaration ID 1 is 
-    /// used for the translation unit declaration.
-    typedef uint32_t DeclID;
-
-    /// \brief a Decl::Kind/DeclID pair.
-    typedef std::pair<uint32_t, DeclID> KindDeclIDPair;
-
-    // FIXME: Turn these into classes so we can have some type safety when
-    // we go from local ID to global and vice-versa.
-    typedef DeclID LocalDeclID;
-    typedef DeclID GlobalDeclID;
-
-    /// \brief An ID number that refers to a type in an AST file.
-    ///
-    /// The ID of a type is partitioned into two parts: the lower
-    /// three bits are used to store the const/volatile/restrict
-    /// qualifiers (as with QualType) and the upper bits provide a
-    /// type index. The type index values are partitioned into two
-    /// sets. The values below NUM_PREDEF_TYPE_IDs are predefined type
-    /// IDs (based on the PREDEF_TYPE_*_ID constants), with 0 as a
-    /// placeholder for "no type". Values from NUM_PREDEF_TYPE_IDs are
-    /// other types that have serialized representations.
-    typedef uint32_t TypeID;
-
-    /// \brief A type index; the type ID with the qualifier bits removed.
-    class TypeIdx {
-      uint32_t Idx;
-    public:
-      TypeIdx() : Idx(0) { }
-      explicit TypeIdx(uint32_t index) : Idx(index) { }
-
-      uint32_t getIndex() const { return Idx; }
-      TypeID asTypeID(unsigned FastQuals) const {
-        if (Idx == uint32_t(-1))
-          return TypeID(-1);
-        
-        return (Idx << Qualifiers::FastWidth) | FastQuals;
-      }
-      static TypeIdx fromTypeID(TypeID ID) {
-        if (ID == TypeID(-1))
-          return TypeIdx(-1);
-        
-        return TypeIdx(ID >> Qualifiers::FastWidth);
-      }
-    };
-
-    /// A structure for putting "fast"-unqualified QualTypes into a
-    /// DenseMap.  This uses the standard pointer hash function.
-    struct UnsafeQualTypeDenseMapInfo {
-      static inline bool isEqual(QualType A, QualType B) { return A == B; }
-      static inline QualType getEmptyKey() {
-        return QualType::getFromOpaquePtr((void*) 1);
-      }
-      static inline QualType getTombstoneKey() {
-        return QualType::getFromOpaquePtr((void*) 2);
-      }
-      static inline unsigned getHashValue(QualType T) {
-        assert(!T.getLocalFastQualifiers() && 
-               "hash invalid for types with fast quals");
-        uintptr_t v = reinterpret_cast<uintptr_t>(T.getAsOpaquePtr());
-        return (unsigned(v) >> 4) ^ (unsigned(v) >> 9);
-      }
-    };
-
-    /// \brief An ID number that refers to an identifier in an AST file.
-    typedef uint32_t IdentID;
-
-    /// \brief The number of predefined identifier IDs.
-    const unsigned int NUM_PREDEF_IDENT_IDS = 1;
-
-    /// \brief An ID number that refers to a macro in an AST file.
-    typedef uint32_t MacroID;
-    
-    /// \brief The number of predefined macro IDs.
-    const unsigned int NUM_PREDEF_MACRO_IDS = 1;
-
-    /// \brief An ID number that refers to an ObjC selector in an AST file.
-    typedef uint32_t SelectorID;
-
-    /// \brief The number of predefined selector IDs.
-    const unsigned int NUM_PREDEF_SELECTOR_IDS = 1;
-    
-    /// \brief An ID number that refers to a set of CXXBaseSpecifiers in an 
-    /// AST file.
-    typedef uint32_t CXXBaseSpecifiersID;
-    
-    /// \brief An ID number that refers to an entity in the detailed
-    /// preprocessing record.
-    typedef uint32_t PreprocessedEntityID;
-
-    /// \brief An ID number that refers to a submodule in a module file.
-    typedef uint32_t SubmoduleID;
-    
-    /// \brief The number of predefined submodule IDs.
-    const unsigned int NUM_PREDEF_SUBMODULE_IDS = 1;
-
-    /// \brief Source range/offset of a preprocessed entity.
-    struct PPEntityOffset {
-      /// \brief Raw source location of beginning of range.
-      unsigned Begin;
-      /// \brief Raw source location of end of range.
-      unsigned End;
-      /// \brief Offset in the AST file.
-      uint32_t BitOffset;
-
-      PPEntityOffset(SourceRange R, uint32_t BitOffset)
-        : Begin(R.getBegin().getRawEncoding()),
-          End(R.getEnd().getRawEncoding()),
-          BitOffset(BitOffset) { }
-    };
-
-    /// \brief Source range/offset of a preprocessed entity.
-    struct DeclOffset {
-      /// \brief Raw source location.
-      unsigned Loc;
-      /// \brief Offset in the AST file.
-      uint32_t BitOffset;
-
-      DeclOffset() : Loc(0), BitOffset(0) { }
-      DeclOffset(SourceLocation Loc, uint32_t BitOffset)
-        : Loc(Loc.getRawEncoding()),
-          BitOffset(BitOffset) { }
-      void setLocation(SourceLocation L) {
-        Loc = L.getRawEncoding();
-      }
-    };
-
-    /// \brief The number of predefined preprocessed entity IDs.
-    const unsigned int NUM_PREDEF_PP_ENTITY_IDS = 1;
-
-    /// \brief Describes the various kinds of blocks that occur within
-    /// an AST file.
-    enum BlockIDs {
-      /// \brief The AST block, which acts as a container around the
-      /// full AST block.
-      AST_BLOCK_ID = llvm::bitc::FIRST_APPLICATION_BLOCKID,
-
-      /// \brief The block containing information about the source
-      /// manager.
-      SOURCE_MANAGER_BLOCK_ID,
-
-      /// \brief The block containing information about the
-      /// preprocessor.
-      PREPROCESSOR_BLOCK_ID,
-
-      /// \brief The block containing the definitions of all of the
-      /// types and decls used within the AST file.
-      DECLTYPES_BLOCK_ID,
-
-      /// \brief The block containing DECL_UPDATES records.
-      DECL_UPDATES_BLOCK_ID,
-      
-      /// \brief The block containing the detailed preprocessing record.
-      PREPROCESSOR_DETAIL_BLOCK_ID,
-      
-      /// \brief The block containing the submodule structure.
-      SUBMODULE_BLOCK_ID,
-
-      /// \brief The block containing comments.
-      COMMENTS_BLOCK_ID,
-
-      /// \brief The control block, which contains all of the
-      /// information that needs to be validated prior to committing
-      /// to loading the AST file.
-      CONTROL_BLOCK_ID,
-
-      /// \brief The block of input files, which were used as inputs
-      /// to create this AST file.
-      ///
-      /// This block is part of the control block.
-      INPUT_FILES_BLOCK_ID
-    };
-
-    /// \brief Record types that occur within the control block.
-    enum ControlRecordTypes {
-      /// \brief AST file metadata, including the AST file version number
-      /// and information about the compiler used to build this AST file.
-      METADATA = 1,
-
-      /// \brief Record code for the list of other AST files imported by
-      /// this AST file.
-      IMPORTS = 2,
-
-      /// \brief Record code for the language options table.
-      ///
-      /// The record with this code contains the contents of the
-      /// LangOptions structure. We serialize the entire contents of
-      /// the structure, and let the reader decide which options are
-      /// actually important to check.
-      LANGUAGE_OPTIONS = 3,
-
-      /// \brief Record code for the target options table.
-      TARGET_OPTIONS = 4,
-
-      /// \brief Record code for the original file that was used to
-      /// generate the AST file, including both its file ID and its
-      /// name.
-      ORIGINAL_FILE = 5,
-      
-      /// \brief The directory that the PCH was originally created in.
-      ORIGINAL_PCH_DIR = 6,
-
-      /// \brief Record code for file ID of the file or buffer that was used to
-      /// generate the AST file.
-      ORIGINAL_FILE_ID = 7,
-
-      /// \brief Offsets into the input-files block where input files
-      /// reside.
-      INPUT_FILE_OFFSETS = 8,
-
-      /// \brief Record code for the diagnostic options table.
-      DIAGNOSTIC_OPTIONS = 9,
-
-      /// \brief Record code for the filesystem options table.
-      FILE_SYSTEM_OPTIONS = 10,
-
-      /// \brief Record code for the headers search options table.
-      HEADER_SEARCH_OPTIONS = 11,
-
-      /// \brief Record code for the preprocessor options table.
-      PREPROCESSOR_OPTIONS = 12
-    };
-
-    /// \brief Record types that occur within the input-files block
-    /// inside the control block.
-    enum InputFileRecordTypes {
-      /// \brief An input file.
-      INPUT_FILE = 1
-    };
-
-    /// \brief Record types that occur within the AST block itself.
-    enum ASTRecordTypes {
-      /// \brief Record code for the offsets of each type.
-      ///
-      /// The TYPE_OFFSET constant describes the record that occurs
-      /// within the AST block. The record itself is an array of offsets that
-      /// point into the declarations and types block (identified by 
-      /// DECLTYPES_BLOCK_ID). The index into the array is based on the ID
-      /// of a type. For a given type ID @c T, the lower three bits of
-      /// @c T are its qualifiers (const, volatile, restrict), as in
-      /// the QualType class. The upper bits, after being shifted and
-      /// subtracting NUM_PREDEF_TYPE_IDS, are used to index into the
-      /// TYPE_OFFSET block to determine the offset of that type's
-      /// corresponding record within the DECLTYPES_BLOCK_ID block.
-      TYPE_OFFSET = 1,
-
-      /// \brief Record code for the offsets of each decl.
-      ///
-      /// The DECL_OFFSET constant describes the record that occurs
-      /// within the block identified by DECL_OFFSETS_BLOCK_ID within
-      /// the AST block. The record itself is an array of offsets that
-      /// point into the declarations and types block (identified by
-      /// DECLTYPES_BLOCK_ID). The declaration ID is an index into this
-      /// record, after subtracting one to account for the use of
-      /// declaration ID 0 for a NULL declaration pointer. Index 0 is
-      /// reserved for the translation unit declaration.
-      DECL_OFFSET = 2,
-
-      /// \brief Record code for the table of offsets of each
-      /// identifier ID.
-      ///
-      /// The offset table contains offsets into the blob stored in
-      /// the IDENTIFIER_TABLE record. Each offset points to the
-      /// NULL-terminated string that corresponds to that identifier.
-      IDENTIFIER_OFFSET = 3,
-
-      /// \brief This is so that older clang versions, before the introduction
-      /// of the control block, can read and reject the newer PCH format.
-      /// *DON"T CHANGE THIS NUMBER*.
-      METADATA_OLD_FORMAT = 4,
-
-      /// \brief Record code for the identifier table.
-      ///
-      /// The identifier table is a simple blob that contains
-      /// NULL-terminated strings for all of the identifiers
-      /// referenced by the AST file. The IDENTIFIER_OFFSET table
-      /// contains the mapping from identifier IDs to the characters
-      /// in this blob. Note that the starting offsets of all of the
-      /// identifiers are odd, so that, when the identifier offset
-      /// table is loaded in, we can use the low bit to distinguish
-      /// between offsets (for unresolved identifier IDs) and
-      /// IdentifierInfo pointers (for already-resolved identifier
-      /// IDs).
-      IDENTIFIER_TABLE = 5,
-
-      /// \brief Record code for the array of external definitions.
-      ///
-      /// The AST file contains a list of all of the unnamed external
-      /// definitions present within the parsed headers, stored as an
-      /// array of declaration IDs. These external definitions will be
-      /// reported to the AST consumer after the AST file has been
-      /// read, since their presence can affect the semantics of the
-      /// program (e.g., for code generation).
-      EXTERNAL_DEFINITIONS = 6,
-
-      /// \brief Record code for the set of non-builtin, special
-      /// types.
-      ///
-      /// This record contains the type IDs for the various type nodes
-      /// that are constructed during semantic analysis (e.g.,
-      /// __builtin_va_list). The SPECIAL_TYPE_* constants provide
-      /// offsets into this record.
-      SPECIAL_TYPES = 7,
-
-      /// \brief Record code for the extra statistics we gather while
-      /// generating an AST file.
-      STATISTICS = 8,
-
-      /// \brief Record code for the array of tentative definitions.
-      TENTATIVE_DEFINITIONS = 9,
-
-      /// \brief Record code for the array of locally-scoped external
-      /// declarations.
-      LOCALLY_SCOPED_EXTERNAL_DECLS = 10,
-
-      /// \brief Record code for the table of offsets into the
-      /// Objective-C method pool.
-      SELECTOR_OFFSETS = 11,
-
-      /// \brief Record code for the Objective-C method pool,
-      METHOD_POOL = 12,
-
-      /// \brief The value of the next __COUNTER__ to dispense.
-      /// [PP_COUNTER_VALUE, Val]
-      PP_COUNTER_VALUE = 13,
-
-      /// \brief Record code for the table of offsets into the block
-      /// of source-location information.
-      SOURCE_LOCATION_OFFSETS = 14,
-
-      /// \brief Record code for the set of source location entries
-      /// that need to be preloaded by the AST reader.
-      ///
-      /// This set contains the source location entry for the
-      /// predefines buffer and for any file entries that need to be
-      /// preloaded.
-      SOURCE_LOCATION_PRELOADS = 15,
-
-      /// \brief Record code for the set of ext_vector type names.
-      EXT_VECTOR_DECLS = 16,
-      
-      /// \brief Record code for the array of unused file scoped decls.
-      UNUSED_FILESCOPED_DECLS = 17,
-      
-      /// \brief Record code for the table of offsets to entries in the
-      /// preprocessing record.
-      PPD_ENTITIES_OFFSETS = 18,
-
-      /// \brief Record code for the array of VTable uses.
-      VTABLE_USES = 19,
-
-      /// \brief Record code for the array of dynamic classes.
-      DYNAMIC_CLASSES = 20,
-
-      /// \brief Record code for referenced selector pool.
-      REFERENCED_SELECTOR_POOL = 21,
-
-      /// \brief Record code for an update to the TU's lexically contained
-      /// declarations.
-      TU_UPDATE_LEXICAL = 22,
-      
-      /// \brief Record code for the array describing the locations (in the
-      /// LOCAL_REDECLARATIONS record) of the redeclaration chains, indexed by
-      /// the first known ID.
-      LOCAL_REDECLARATIONS_MAP = 23,
-
-      /// \brief Record code for declarations that Sema keeps references of.
-      SEMA_DECL_REFS = 24,
-
-      /// \brief Record code for weak undeclared identifiers.
-      WEAK_UNDECLARED_IDENTIFIERS = 25,
-
-      /// \brief Record code for pending implicit instantiations.
-      PENDING_IMPLICIT_INSTANTIATIONS = 26,
-
-      /// \brief Record code for a decl replacement block.
-      ///
-      /// If a declaration is modified after having been deserialized, and then
-      /// written to a dependent AST file, its ID and offset must be added to
-      /// the replacement block.
-      DECL_REPLACEMENTS = 27,
-
-      /// \brief Record code for an update to a decl context's lookup table.
-      ///
-      /// In practice, this should only be used for the TU and namespaces.
-      UPDATE_VISIBLE = 28,
-
-      /// \brief Record for offsets of DECL_UPDATES records for declarations
-      /// that were modified after being deserialized and need updates.
-      DECL_UPDATE_OFFSETS = 29,
-
-      /// \brief Record of updates for a declaration that was modified after
-      /// being deserialized.
-      DECL_UPDATES = 30,
-      
-      /// \brief Record code for the table of offsets to CXXBaseSpecifier
-      /// sets.
-      CXX_BASE_SPECIFIER_OFFSETS = 31,
-
-      /// \brief Record code for \#pragma diagnostic mappings.
-      DIAG_PRAGMA_MAPPINGS = 32,
-
-      /// \brief Record code for special CUDA declarations.
-      CUDA_SPECIAL_DECL_REFS = 33,
-      
-      /// \brief Record code for header search information.
-      HEADER_SEARCH_TABLE = 34,
-
-      /// \brief Record code for floating point \#pragma options.
-      FP_PRAGMA_OPTIONS = 35,
-
-      /// \brief Record code for enabled OpenCL extensions.
-      OPENCL_EXTENSIONS = 36,
-
-      /// \brief The list of delegating constructor declarations.
-      DELEGATING_CTORS = 37,
-
-      /// \brief Record code for the set of known namespaces, which are used
-      /// for typo correction.
-      KNOWN_NAMESPACES = 38,
-
-      /// \brief Record code for the remapping information used to relate
-      /// loaded modules to the various offsets and IDs(e.g., source location 
-      /// offests, declaration and type IDs) that are used in that module to
-      /// refer to other modules.
-      MODULE_OFFSET_MAP = 39,
-
-      /// \brief Record code for the source manager line table information,
-      /// which stores information about \#line directives.
-      SOURCE_MANAGER_LINE_TABLE = 40,
-
-      /// \brief Record code for map of Objective-C class definition IDs to the 
-      /// ObjC categories in a module that are attached to that class.
-      OBJC_CATEGORIES_MAP = 41,
-
-      /// \brief Record code for a file sorted array of DeclIDs in a module.
-      FILE_SORTED_DECLS = 42,
-      
-      /// \brief Record code for an array of all of the (sub)modules that were
-      /// imported by the AST file.
-      IMPORTED_MODULES = 43,
-      
-      /// \brief Record code for the set of merged declarations in an AST file.
-      MERGED_DECLARATIONS = 44,
-      
-      /// \brief Record code for the array of redeclaration chains.
-      ///
-      /// This array can only be interpreted properly using the local 
-      /// redeclarations map.
-      LOCAL_REDECLARATIONS = 45,
-      
-      /// \brief Record code for the array of Objective-C categories (including
-      /// extensions).
-      ///
-      /// This array can only be interpreted properly using the Objective-C
-      /// categories map.
-      OBJC_CATEGORIES = 46,
-
-      /// \brief Record code for the table of offsets of each macro ID.
-      ///
-      /// The offset table contains offsets into the blob stored in
-      /// the preprocessor block. Each offset points to the corresponding
-      /// macro definition.
-      MACRO_OFFSET = 47,
-
-      /// \brief Record of updates for a macro that was modified after
-      /// being deserialized.
-      MACRO_UPDATES = 48
-    };
-
-    /// \brief Record types used within a source manager block.
-    enum SourceManagerRecordTypes {
-      /// \brief Describes a source location entry (SLocEntry) for a
-      /// file.
-      SM_SLOC_FILE_ENTRY = 1,
-      /// \brief Describes a source location entry (SLocEntry) for a
-      /// buffer.
-      SM_SLOC_BUFFER_ENTRY = 2,
-      /// \brief Describes a blob that contains the data for a buffer
-      /// entry. This kind of record always directly follows a
-      /// SM_SLOC_BUFFER_ENTRY record or a SM_SLOC_FILE_ENTRY with an
-      /// overridden buffer.
-      SM_SLOC_BUFFER_BLOB = 3,
-      /// \brief Describes a source location entry (SLocEntry) for a
-      /// macro expansion.
-      SM_SLOC_EXPANSION_ENTRY = 4
-    };
-
-    /// \brief Record types used within a preprocessor block.
-    enum PreprocessorRecordTypes {
-      // The macros in the PP section are a PP_MACRO_* instance followed by a
-      // list of PP_TOKEN instances for each token in the definition.
-
-      /// \brief An object-like macro definition.
-      /// [PP_MACRO_OBJECT_LIKE, IdentInfoID, SLoc, IsUsed]
-      PP_MACRO_OBJECT_LIKE = 1,
-
-      /// \brief A function-like macro definition.
-      /// [PP_MACRO_FUNCTION_LIKE, \<ObjectLikeStuff>, IsC99Varargs,
-      /// IsGNUVarars, NumArgs, ArgIdentInfoID* ]
-      PP_MACRO_FUNCTION_LIKE = 2,
-
-      /// \brief Describes one token.
-      /// [PP_TOKEN, SLoc, Length, IdentInfoID, Kind, Flags]
-      PP_TOKEN = 3
-    };
-
-    /// \brief Record types used within a preprocessor detail block.
-    enum PreprocessorDetailRecordTypes {
-      /// \brief Describes a macro expansion within the preprocessing record.
-      PPD_MACRO_EXPANSION = 0,
-      
-      /// \brief Describes a macro definition within the preprocessing record.
-      PPD_MACRO_DEFINITION = 1,
-      
-      /// \brief Describes an inclusion directive within the preprocessing
-      /// record.
-      PPD_INCLUSION_DIRECTIVE = 2
-    };
-    
-    /// \brief Record types used within a submodule description block.
-    enum SubmoduleRecordTypes {
-      /// \brief Metadata for submodules as a whole.
-      SUBMODULE_METADATA = 0,
-      /// \brief Defines the major attributes of a submodule, including its
-      /// name and parent.
-      SUBMODULE_DEFINITION = 1,
-      /// \brief Specifies the umbrella header used to create this module,
-      /// if any.
-      SUBMODULE_UMBRELLA_HEADER = 2,
-      /// \brief Specifies a header that falls into this (sub)module.
-      SUBMODULE_HEADER = 3,
-      /// \brief Specifies a top-level header that falls into this (sub)module.
-      SUBMODULE_TOPHEADER = 4,
-      /// \brief Specifies an umbrella directory.
-      SUBMODULE_UMBRELLA_DIR = 5,
-      /// \brief Specifies the submodules that are imported by this 
-      /// submodule.
-      SUBMODULE_IMPORTS = 6,
-      /// \brief Specifies the submodules that are re-exported from this 
-      /// submodule.
-      SUBMODULE_EXPORTS = 7,
-      /// \brief Specifies a required feature.
-      SUBMODULE_REQUIRES = 8,
-      /// \brief Specifies a header that has been explicitly excluded
-      /// from this submodule.
-      SUBMODULE_EXCLUDED_HEADER = 9
-    };
-
-    /// \brief Record types used within a comments block.
-    enum CommentRecordTypes {
-      COMMENTS_RAW_COMMENT = 0
-    };
-
-    /// \defgroup ASTAST AST file AST constants
-    ///
-    /// The constants in this group describe various components of the
-    /// abstract syntax tree within an AST file.
-    ///
-    /// @{
-
-    /// \brief Predefined type IDs.
-    ///
-    /// These type IDs correspond to predefined types in the AST
-    /// context, such as built-in types (int) and special place-holder
-    /// types (the \<overload> and \<dependent> type markers). Such
-    /// types are never actually serialized, since they will be built
-    /// by the AST context when it is created.
-    enum PredefinedTypeIDs {
-      /// \brief The NULL type.
-      PREDEF_TYPE_NULL_ID       = 0,
-      /// \brief The void type.
-      PREDEF_TYPE_VOID_ID       = 1,
-      /// \brief The 'bool' or '_Bool' type.
-      PREDEF_TYPE_BOOL_ID       = 2,
-      /// \brief The 'char' type, when it is unsigned.
-      PREDEF_TYPE_CHAR_U_ID     = 3,
-      /// \brief The 'unsigned char' type.
-      PREDEF_TYPE_UCHAR_ID      = 4,
-      /// \brief The 'unsigned short' type.
-      PREDEF_TYPE_USHORT_ID     = 5,
-      /// \brief The 'unsigned int' type.
-      PREDEF_TYPE_UINT_ID       = 6,
-      /// \brief The 'unsigned long' type.
-      PREDEF_TYPE_ULONG_ID      = 7,
-      /// \brief The 'unsigned long long' type.
-      PREDEF_TYPE_ULONGLONG_ID  = 8,
-      /// \brief The 'char' type, when it is signed.
-      PREDEF_TYPE_CHAR_S_ID     = 9,
-      /// \brief The 'signed char' type.
-      PREDEF_TYPE_SCHAR_ID      = 10,
-      /// \brief The C++ 'wchar_t' type.
-      PREDEF_TYPE_WCHAR_ID      = 11,
-      /// \brief The (signed) 'short' type.
-      PREDEF_TYPE_SHORT_ID      = 12,
-      /// \brief The (signed) 'int' type.
-      PREDEF_TYPE_INT_ID        = 13,
-      /// \brief The (signed) 'long' type.
-      PREDEF_TYPE_LONG_ID       = 14,
-      /// \brief The (signed) 'long long' type.
-      PREDEF_TYPE_LONGLONG_ID   = 15,
-      /// \brief The 'float' type.
-      PREDEF_TYPE_FLOAT_ID      = 16,
-      /// \brief The 'double' type.
-      PREDEF_TYPE_DOUBLE_ID     = 17,
-      /// \brief The 'long double' type.
-      PREDEF_TYPE_LONGDOUBLE_ID = 18,
-      /// \brief The placeholder type for overloaded function sets.
-      PREDEF_TYPE_OVERLOAD_ID   = 19,
-      /// \brief The placeholder type for dependent types.
-      PREDEF_TYPE_DEPENDENT_ID  = 20,
-      /// \brief The '__uint128_t' type.
-      PREDEF_TYPE_UINT128_ID    = 21,
-      /// \brief The '__int128_t' type.
-      PREDEF_TYPE_INT128_ID     = 22,
-      /// \brief The type of 'nullptr'.
-      PREDEF_TYPE_NULLPTR_ID    = 23,
-      /// \brief The C++ 'char16_t' type.
-      PREDEF_TYPE_CHAR16_ID     = 24,
-      /// \brief The C++ 'char32_t' type.
-      PREDEF_TYPE_CHAR32_ID     = 25,
-      /// \brief The ObjC 'id' type.
-      PREDEF_TYPE_OBJC_ID       = 26,
-      /// \brief The ObjC 'Class' type.
-      PREDEF_TYPE_OBJC_CLASS    = 27,
-      /// \brief The ObjC 'SEL' type.
-      PREDEF_TYPE_OBJC_SEL      = 28,
-      /// \brief The 'unknown any' placeholder type.
-      PREDEF_TYPE_UNKNOWN_ANY   = 29,
-      /// \brief The placeholder type for bound member functions.
-      PREDEF_TYPE_BOUND_MEMBER  = 30,
-      /// \brief The "auto" deduction type.
-      PREDEF_TYPE_AUTO_DEDUCT   = 31,
-      /// \brief The "auto &&" deduction type.
-      PREDEF_TYPE_AUTO_RREF_DEDUCT = 32,
-      /// \brief The OpenCL 'half' / ARM NEON __fp16 type.
-      PREDEF_TYPE_HALF_ID       = 33,
-      /// \brief ARC's unbridged-cast placeholder type.
-      PREDEF_TYPE_ARC_UNBRIDGED_CAST = 34,
-      /// \brief The pseudo-object placeholder type.
-      PREDEF_TYPE_PSEUDO_OBJECT = 35,
-      /// \brief The __va_list_tag placeholder type.
-      PREDEF_TYPE_VA_LIST_TAG = 36,
-      /// \brief The placeholder type for builtin functions.
-      PREDEF_TYPE_BUILTIN_FN = 37
-    };
-
-    /// \brief The number of predefined type IDs that are reserved for
-    /// the PREDEF_TYPE_* constants.
-    ///
-    /// Type IDs for non-predefined types will start at
-    /// NUM_PREDEF_TYPE_IDs.
-    const unsigned NUM_PREDEF_TYPE_IDS = 100;
-
-    /// \brief The number of allowed abbreviations in bits
-    const unsigned NUM_ALLOWED_ABBREVS_SIZE = 4;
-
-    /// \brief Record codes for each kind of type.
-    ///
-    /// These constants describe the type records that can occur within a
-    /// block identified by DECLTYPES_BLOCK_ID in the AST file. Each
-    /// constant describes a record for a specific type class in the
-    /// AST.
-    enum TypeCode {
-      /// \brief An ExtQualType record.
-      TYPE_EXT_QUAL                 = 1,
-      /// \brief A ComplexType record.
-      TYPE_COMPLEX                  = 3,
-      /// \brief A PointerType record.
-      TYPE_POINTER                  = 4,
-      /// \brief A BlockPointerType record.
-      TYPE_BLOCK_POINTER            = 5,
-      /// \brief An LValueReferenceType record.
-      TYPE_LVALUE_REFERENCE         = 6,
-      /// \brief An RValueReferenceType record.
-      TYPE_RVALUE_REFERENCE         = 7,
-      /// \brief A MemberPointerType record.
-      TYPE_MEMBER_POINTER           = 8,
-      /// \brief A ConstantArrayType record.
-      TYPE_CONSTANT_ARRAY           = 9,
-      /// \brief An IncompleteArrayType record.
-      TYPE_INCOMPLETE_ARRAY         = 10,
-      /// \brief A VariableArrayType record.
-      TYPE_VARIABLE_ARRAY           = 11,
-      /// \brief A VectorType record.
-      TYPE_VECTOR                   = 12,
-      /// \brief An ExtVectorType record.
-      TYPE_EXT_VECTOR               = 13,
-      /// \brief A FunctionNoProtoType record.
-      TYPE_FUNCTION_NO_PROTO        = 14,
-      /// \brief A FunctionProtoType record.
-      TYPE_FUNCTION_PROTO           = 15,
-      /// \brief A TypedefType record.
-      TYPE_TYPEDEF                  = 16,
-      /// \brief A TypeOfExprType record.
-      TYPE_TYPEOF_EXPR              = 17,
-      /// \brief A TypeOfType record.
-      TYPE_TYPEOF                   = 18,
-      /// \brief A RecordType record.
-      TYPE_RECORD                   = 19,
-      /// \brief An EnumType record.
-      TYPE_ENUM                     = 20,
-      /// \brief An ObjCInterfaceType record.
-      TYPE_OBJC_INTERFACE           = 21,
-      /// \brief An ObjCObjectPointerType record.
-      TYPE_OBJC_OBJECT_POINTER      = 22,
-      /// \brief a DecltypeType record.
-      TYPE_DECLTYPE                 = 23,
-      /// \brief An ElaboratedType record.
-      TYPE_ELABORATED               = 24,
-      /// \brief A SubstTemplateTypeParmType record.
-      TYPE_SUBST_TEMPLATE_TYPE_PARM = 25,
-      /// \brief An UnresolvedUsingType record.
-      TYPE_UNRESOLVED_USING         = 26,
-      /// \brief An InjectedClassNameType record.
-      TYPE_INJECTED_CLASS_NAME      = 27,
-      /// \brief An ObjCObjectType record.
-      TYPE_OBJC_OBJECT              = 28,
-      /// \brief An TemplateTypeParmType record.
-      TYPE_TEMPLATE_TYPE_PARM       = 29,
-      /// \brief An TemplateSpecializationType record.
-      TYPE_TEMPLATE_SPECIALIZATION  = 30,
-      /// \brief A DependentNameType record.
-      TYPE_DEPENDENT_NAME           = 31,
-      /// \brief A DependentTemplateSpecializationType record.
-      TYPE_DEPENDENT_TEMPLATE_SPECIALIZATION = 32,
-      /// \brief A DependentSizedArrayType record.
-      TYPE_DEPENDENT_SIZED_ARRAY    = 33,
-      /// \brief A ParenType record.
-      TYPE_PAREN                    = 34,
-      /// \brief A PackExpansionType record.
-      TYPE_PACK_EXPANSION           = 35,
-      /// \brief An AttributedType record.
-      TYPE_ATTRIBUTED               = 36,
-      /// \brief A SubstTemplateTypeParmPackType record.
-      TYPE_SUBST_TEMPLATE_TYPE_PARM_PACK = 37,
-      /// \brief A AutoType record.
-      TYPE_AUTO                  = 38,
-      /// \brief A UnaryTransformType record.
-      TYPE_UNARY_TRANSFORM       = 39,
-      /// \brief An AtomicType record.
-      TYPE_ATOMIC                = 40
-    };
-
-    /// \brief The type IDs for special types constructed by semantic
-    /// analysis.
-    ///
-    /// The constants in this enumeration are indices into the
-    /// SPECIAL_TYPES record.
-    enum SpecialTypeIDs {
-      /// \brief CFConstantString type
-      SPECIAL_TYPE_CF_CONSTANT_STRING          = 0,
-      /// \brief C FILE typedef type
-      SPECIAL_TYPE_FILE                        = 1,
-      /// \brief C jmp_buf typedef type
-      SPECIAL_TYPE_JMP_BUF                     = 2,
-      /// \brief C sigjmp_buf typedef type
-      SPECIAL_TYPE_SIGJMP_BUF                  = 3,
-      /// \brief Objective-C "id" redefinition type
-      SPECIAL_TYPE_OBJC_ID_REDEFINITION        = 4,
-      /// \brief Objective-C "Class" redefinition type
-      SPECIAL_TYPE_OBJC_CLASS_REDEFINITION     = 5,
-      /// \brief Objective-C "SEL" redefinition type
-      SPECIAL_TYPE_OBJC_SEL_REDEFINITION       = 6,
-      /// \brief C ucontext_t typedef type
-      SPECIAL_TYPE_UCONTEXT_T                  = 7
-    };
-    
-    /// \brief The number of special type IDs.
-    const unsigned NumSpecialTypeIDs = 8;
-
-    /// \brief Predefined declaration IDs.
-    ///
-    /// These declaration IDs correspond to predefined declarations in the AST
-    /// context, such as the NULL declaration ID. Such declarations are never
-    /// actually serialized, since they will be built by the AST context when 
-    /// it is created.
-    enum PredefinedDeclIDs {
-      /// \brief The NULL declaration.
-      PREDEF_DECL_NULL_ID       = 0,
-      
-      /// \brief The translation unit.
-      PREDEF_DECL_TRANSLATION_UNIT_ID = 1,
-      
-      /// \brief The Objective-C 'id' type.
-      PREDEF_DECL_OBJC_ID_ID = 2,
-      
-      /// \brief The Objective-C 'SEL' type.
-      PREDEF_DECL_OBJC_SEL_ID = 3,
-      
-      /// \brief The Objective-C 'Class' type.
-      PREDEF_DECL_OBJC_CLASS_ID = 4,
-            
-      /// \brief The Objective-C 'Protocol' type.
-      PREDEF_DECL_OBJC_PROTOCOL_ID = 5,
-      
-      /// \brief The signed 128-bit integer type.
-      PREDEF_DECL_INT_128_ID = 6,
-
-      /// \brief The unsigned 128-bit integer type.
-      PREDEF_DECL_UNSIGNED_INT_128_ID = 7,
-      
-      /// \brief The internal 'instancetype' typedef.
-      PREDEF_DECL_OBJC_INSTANCETYPE_ID = 8,
-
-      /// \brief The internal '__builtin_va_list' typedef.
-      PREDEF_DECL_BUILTIN_VA_LIST_ID = 9
-    };
-
-    /// \brief The number of declaration IDs that are predefined.
-    ///
-    /// For more information about predefined declarations, see the
-    /// \c PredefinedDeclIDs type and the PREDEF_DECL_*_ID constants.
-    const unsigned int NUM_PREDEF_DECL_IDS = 10;
-    
-    /// \brief Record codes for each kind of declaration.
-    ///
-    /// These constants describe the declaration records that can occur within
-    /// a declarations block (identified by DECLS_BLOCK_ID). Each
-    /// constant describes a record for a specific declaration class
-    /// in the AST.
-    enum DeclCode {
-      /// \brief A TypedefDecl record.
-      DECL_TYPEDEF = 51,
-      /// \brief A TypeAliasDecl record.
-      DECL_TYPEALIAS,
-      /// \brief An EnumDecl record.
-      DECL_ENUM,
-      /// \brief A RecordDecl record.
-      DECL_RECORD,
-      /// \brief An EnumConstantDecl record.
-      DECL_ENUM_CONSTANT,
-      /// \brief A FunctionDecl record.
-      DECL_FUNCTION,
-      /// \brief A ObjCMethodDecl record.
-      DECL_OBJC_METHOD,
-      /// \brief A ObjCInterfaceDecl record.
-      DECL_OBJC_INTERFACE,
-      /// \brief A ObjCProtocolDecl record.
-      DECL_OBJC_PROTOCOL,
-      /// \brief A ObjCIvarDecl record.
-      DECL_OBJC_IVAR,
-      /// \brief A ObjCAtDefsFieldDecl record.
-      DECL_OBJC_AT_DEFS_FIELD,
-      /// \brief A ObjCCategoryDecl record.
-      DECL_OBJC_CATEGORY,
-      /// \brief A ObjCCategoryImplDecl record.
-      DECL_OBJC_CATEGORY_IMPL,
-      /// \brief A ObjCImplementationDecl record.
-      DECL_OBJC_IMPLEMENTATION,
-      /// \brief A ObjCCompatibleAliasDecl record.
-      DECL_OBJC_COMPATIBLE_ALIAS,
-      /// \brief A ObjCPropertyDecl record.
-      DECL_OBJC_PROPERTY,
-      /// \brief A ObjCPropertyImplDecl record.
-      DECL_OBJC_PROPERTY_IMPL,
-      /// \brief A FieldDecl record.
-      DECL_FIELD,
-      /// \brief A VarDecl record.
-      DECL_VAR,
-      /// \brief An ImplicitParamDecl record.
-      DECL_IMPLICIT_PARAM,
-      /// \brief A ParmVarDecl record.
-      DECL_PARM_VAR,
-      /// \brief A FileScopeAsmDecl record.
-      DECL_FILE_SCOPE_ASM,
-      /// \brief A BlockDecl record.
-      DECL_BLOCK,
-      /// \brief A record that stores the set of declarations that are
-      /// lexically stored within a given DeclContext.
-      ///