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llvm-project/clang/include/clang/Serialization/ASTBitCodes.h

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//===- ASTBitCodes.h - Enum values for the PCH bitcode format ---*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// 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_SERIALIZATION_ASTBITCODES_H
#define LLVM_CLANG_SERIALIZATION_ASTBITCODES_H
#include "clang/AST/DeclarationName.h"
#include "clang/AST/Type.h"
#include "clang/Basic/IdentifierTable.h"
#include "clang/Basic/OperatorKinds.h"
#include "clang/Basic/SourceLocation.h"
#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/Bitstream/BitCodes.h"
#include <cassert>
#include <cstdint>
namespace clang {
namespace serialization {
/// 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 = 10;
/// 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;
/// 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.
using IdentifierID = uint32_t;
/// 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.
using DeclID = uint32_t;
// FIXME: Turn these into classes so we can have some type safety when
// we go from local ID to global and vice-versa.
using LocalDeclID = DeclID;
using GlobalDeclID = DeclID;
/// 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.
using TypeID = uint32_t;
/// A type index; the type ID with the qualifier bits removed.
class TypeIdx {
uint32_t Idx = 0;
public:
TypeIdx() = default;
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 bool isEqual(QualType A, QualType B) { return A == B; }
static QualType getEmptyKey() {
return QualType::getFromOpaquePtr((void*) 1);
}
static QualType getTombstoneKey() {
return QualType::getFromOpaquePtr((void*) 2);
}
static 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);
}
};
/// An ID number that refers to an identifier in an AST file.
using IdentID = uint32_t;
/// The number of predefined identifier IDs.
const unsigned int NUM_PREDEF_IDENT_IDS = 1;
/// An ID number that refers to a macro in an AST file.
using MacroID = uint32_t;
/// A global ID number that refers to a macro in an AST file.
using GlobalMacroID = uint32_t;
/// A local to a module ID number that refers to a macro in an
/// AST file.
using LocalMacroID = uint32_t;
/// The number of predefined macro IDs.
const unsigned int NUM_PREDEF_MACRO_IDS = 1;
/// An ID number that refers to an ObjC selector in an AST file.
using SelectorID = uint32_t;
/// The number of predefined selector IDs.
const unsigned int NUM_PREDEF_SELECTOR_IDS = 1;
/// An ID number that refers to a set of CXXBaseSpecifiers in an
/// AST file.
using CXXBaseSpecifiersID = uint32_t;
/// An ID number that refers to a list of CXXCtorInitializers in an
/// AST file.
using CXXCtorInitializersID = uint32_t;
/// An ID number that refers to an entity in the detailed
/// preprocessing record.
using PreprocessedEntityID = uint32_t;
/// An ID number that refers to a submodule in a module file.
using SubmoduleID = uint32_t;
/// The number of predefined submodule IDs.
const unsigned int NUM_PREDEF_SUBMODULE_IDS = 1;
/// Source range/offset of a preprocessed entity.
struct PPEntityOffset {
/// Raw source location of beginning of range.
unsigned Begin;
/// Raw source location of end of range.
unsigned End;
/// Offset in the AST file relative to ModuleFile::MacroOffsetsBase.
uint32_t BitOffset;
PPEntityOffset(SourceRange R, uint32_t BitOffset)
: Begin(R.getBegin().getRawEncoding()),
End(R.getEnd().getRawEncoding()), BitOffset(BitOffset) {}
SourceLocation getBegin() const {
return SourceLocation::getFromRawEncoding(Begin);
}
SourceLocation getEnd() const {
return SourceLocation::getFromRawEncoding(End);
}
};
/// Source range of a skipped preprocessor region
struct PPSkippedRange {
/// Raw source location of beginning of range.
unsigned Begin;
/// Raw source location of end of range.
unsigned End;
PPSkippedRange(SourceRange R)
: Begin(R.getBegin().getRawEncoding()),
End(R.getEnd().getRawEncoding()) { }
SourceLocation getBegin() const {
return SourceLocation::getFromRawEncoding(Begin);
}
SourceLocation getEnd() const {
return SourceLocation::getFromRawEncoding(End);
}
};
/// Offset in the AST file. Use splitted 64-bit integer into low/high
/// parts to keep structure alignment 32-bit (it is important because
/// blobs in bitstream are 32-bit aligned). This structure is serialized
/// "as is" to the AST file.
struct UnderalignedInt64 {
uint32_t BitOffsetLow = 0;
uint32_t BitOffsetHigh = 0;
UnderalignedInt64() = default;
UnderalignedInt64(uint64_t BitOffset) { setBitOffset(BitOffset); }
void setBitOffset(uint64_t Offset) {
BitOffsetLow = Offset;
BitOffsetHigh = Offset >> 32;
}
uint64_t getBitOffset() const {
return BitOffsetLow | (uint64_t(BitOffsetHigh) << 32);
}
};
/// Source location and bit offset of a declaration.
struct DeclOffset {
/// Raw source location.
unsigned Loc = 0;
/// Offset in the AST file. Keep structure alignment 32-bit and avoid
/// padding gap because undefined value in the padding affects AST hash.
UnderalignedInt64 BitOffset;
DeclOffset() = default;
DeclOffset(SourceLocation Loc, uint64_t BitOffset) {
setLocation(Loc);
setBitOffset(BitOffset);
}
void setLocation(SourceLocation L) {
Loc = L.getRawEncoding();
}
SourceLocation getLocation() const {
return SourceLocation::getFromRawEncoding(Loc);
}
void setBitOffset(uint64_t Offset) {
BitOffset.setBitOffset(Offset);
}
uint64_t getBitOffset() const {
return BitOffset.getBitOffset();
}
};
/// The number of predefined preprocessed entity IDs.
const unsigned int NUM_PREDEF_PP_ENTITY_IDS = 1;
/// Describes the various kinds of blocks that occur within
/// an AST file.
enum BlockIDs {
/// The AST block, which acts as a container around the
/// full AST block.
AST_BLOCK_ID = llvm::bitc::FIRST_APPLICATION_BLOCKID,
/// The block containing information about the source
/// manager.
SOURCE_MANAGER_BLOCK_ID,
/// The block containing information about the
/// preprocessor.
PREPROCESSOR_BLOCK_ID,
/// The block containing the definitions of all of the
/// types and decls used within the AST file.
DECLTYPES_BLOCK_ID,
/// The block containing the detailed preprocessing record.
PREPROCESSOR_DETAIL_BLOCK_ID,
/// The block containing the submodule structure.
SUBMODULE_BLOCK_ID,
/// The block containing comments.
COMMENTS_BLOCK_ID,
/// 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,
/// 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,
/// The block of configuration options, used to check that
/// a module is being used in a configuration compatible with the
/// configuration in which it was built.
///
/// This block is part of the control block.
OPTIONS_BLOCK_ID,
/// A block containing a module file extension.
EXTENSION_BLOCK_ID,
/// A block with unhashed content.
///
/// These records should not change the \a ASTFileSignature. See \a
/// UnhashedControlBlockRecordTypes for the list of records.
UNHASHED_CONTROL_BLOCK_ID,
};
/// Record types that occur within the control block.
enum ControlRecordTypes {
/// AST file metadata, including the AST file version number
/// and information about the compiler used to build this AST file.
METADATA = 1,
/// Record code for the list of other AST files imported by
/// this AST file.
IMPORTS,
/// Record code for the original file that was used to
/// generate the AST file, including both its file ID and its
/// name.
ORIGINAL_FILE,
/// The directory that the PCH was originally created in.
ORIGINAL_PCH_DIR,
/// Record code for file ID of the file or buffer that was used to
/// generate the AST file.
ORIGINAL_FILE_ID,
/// Offsets into the input-files block where input files
/// reside.
INPUT_FILE_OFFSETS,
/// Record code for the module name.
MODULE_NAME,
/// Record code for the module map file that was used to build this
/// AST file.
MODULE_MAP_FILE,
/// Record code for the module build directory.
MODULE_DIRECTORY,
};
/// Record types that occur within the options block inside
/// the control block.
enum OptionsRecordTypes {
/// 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 = 1,
/// Record code for the target options table.
TARGET_OPTIONS,
/// Record code for the filesystem options table.
FILE_SYSTEM_OPTIONS,
/// Record code for the headers search options table.
HEADER_SEARCH_OPTIONS,
/// Record code for the preprocessor options table.
PREPROCESSOR_OPTIONS,
};
/// Record codes for the unhashed control block.
enum UnhashedControlBlockRecordTypes {
/// Record code for the signature that identifiers this AST file.
SIGNATURE = 1,
/// Record code for the diagnostic options table.
DIAGNOSTIC_OPTIONS,
/// Record code for \#pragma diagnostic mappings.
DIAG_PRAGMA_MAPPINGS,
};
/// Record code for extension blocks.
enum ExtensionBlockRecordTypes {
/// Metadata describing this particular extension.
EXTENSION_METADATA = 1,
/// The first record ID allocated to the extensions themselves.
FIRST_EXTENSION_RECORD_ID = 4
};
/// Record types that occur within the input-files block
/// inside the control block.
enum InputFileRecordTypes {
/// An input file.
INPUT_FILE = 1,
/// The input file content hash
INPUT_FILE_HASH
};
/// Record types that occur within the AST block itself.
enum ASTRecordTypes {
/// 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,
/// 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,
/// 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,
/// 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,
/// 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,
/// Record code for the array of eagerly deserialized decls.
///
/// The AST file contains a list of all of the declarations that should be
/// eagerly deserialized present within the parsed headers, stored as an
/// array of declaration IDs. These declarations 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).
EAGERLY_DESERIALIZED_DECLS = 6,
/// 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,
/// Record code for the extra statistics we gather while
/// generating an AST file.
STATISTICS = 8,
/// Record code for the array of tentative definitions.
TENTATIVE_DEFINITIONS = 9,
// ID 10 used to be for a list of extern "C" declarations.
/// Record code for the table of offsets into the
/// Objective-C method pool.
SELECTOR_OFFSETS = 11,
/// Record code for the Objective-C method pool,
METHOD_POOL = 12,
/// The value of the next __COUNTER__ to dispense.
/// [PP_COUNTER_VALUE, Val]
PP_COUNTER_VALUE = 13,
/// Record code for the table of offsets into the block
/// of source-location information.
SOURCE_LOCATION_OFFSETS = 14,
/// 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,
/// Record code for the set of ext_vector type names.
EXT_VECTOR_DECLS = 16,
/// Record code for the array of unused file scoped decls.
UNUSED_FILESCOPED_DECLS = 17,
/// Record code for the table of offsets to entries in the
/// preprocessing record.
PPD_ENTITIES_OFFSETS = 18,
/// Record code for the array of VTable uses.
VTABLE_USES = 19,
// ID 20 used to be for a list of dynamic classes.
/// Record code for referenced selector pool.
REFERENCED_SELECTOR_POOL = 21,
/// Record code for an update to the TU's lexically contained
/// declarations.
TU_UPDATE_LEXICAL = 22,
// ID 23 used to be for a list of local redeclarations.
/// Record code for declarations that Sema keeps references of.
SEMA_DECL_REFS = 24,
/// Record code for weak undeclared identifiers.
WEAK_UNDECLARED_IDENTIFIERS = 25,
/// Record code for pending implicit instantiations.
PENDING_IMPLICIT_INSTANTIATIONS = 26,
// ID 27 used to be for a list of replacement decls.
/// 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,
/// Record for offsets of DECL_UPDATES records for declarations
/// that were modified after being deserialized and need updates.
DECL_UPDATE_OFFSETS = 29,
// ID 30 used to be a decl update record. These are now in the DECLTYPES
// block.
// ID 31 used to be a list of offsets to DECL_CXX_BASE_SPECIFIERS records.
// ID 32 used to be the code for \#pragma diagnostic mappings.
/// Record code for special CUDA declarations.
CUDA_SPECIAL_DECL_REFS = 33,
/// Record code for header search information.
HEADER_SEARCH_TABLE = 34,
/// Record code for floating point \#pragma options.
FP_PRAGMA_OPTIONS = 35,
/// Record code for enabled OpenCL extensions.
OPENCL_EXTENSIONS = 36,
/// The list of delegating constructor declarations.
DELEGATING_CTORS = 37,
/// Record code for the set of known namespaces, which are used
/// for typo correction.
KNOWN_NAMESPACES = 38,
/// 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,
/// Record code for the source manager line table information,
/// which stores information about \#line directives.
SOURCE_MANAGER_LINE_TABLE = 40,
/// 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,
/// Record code for a file sorted array of DeclIDs in a module.
FILE_SORTED_DECLS = 42,
/// Record code for an array of all of the (sub)modules that were
/// imported by the AST file.
IMPORTED_MODULES = 43,
// ID 44 used to be a table of merged canonical declarations.
// ID 45 used to be a list of declaration IDs of local redeclarations.
/// 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,
/// 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,
/// A list of "interesting" identifiers. Only used in C++ (where we
/// don't normally do lookups into the serialized identifier table). These
/// are eagerly deserialized.
INTERESTING_IDENTIFIERS = 48,
/// Record code for undefined but used functions and variables that
/// need a definition in this TU.
UNDEFINED_BUT_USED = 49,
/// Record code for late parsed template functions.
LATE_PARSED_TEMPLATE = 50,
/// Record code for \#pragma optimize options.
OPTIMIZE_PRAGMA_OPTIONS = 51,
/// Record code for potentially unused local typedef names.
UNUSED_LOCAL_TYPEDEF_NAME_CANDIDATES = 52,
// ID 53 used to be a table of constructor initializer records.
/// Delete expressions that will be analyzed later.
DELETE_EXPRS_TO_ANALYZE = 54,
/// Record code for \#pragma ms_struct options.
MSSTRUCT_PRAGMA_OPTIONS = 55,
/// Record code for \#pragma ms_struct options.
POINTERS_TO_MEMBERS_PRAGMA_OPTIONS = 56,
/// Number of unmatched #pragma clang cuda_force_host_device begin
/// directives we've seen.
CUDA_PRAGMA_FORCE_HOST_DEVICE_DEPTH = 57,
/// Record code for types associated with OpenCL extensions.
OPENCL_EXTENSION_TYPES = 58,
/// Record code for declarations associated with OpenCL extensions.
OPENCL_EXTENSION_DECLS = 59,
MODULAR_CODEGEN_DECLS = 60,
/// Record code for \#pragma pack options.
PACK_PRAGMA_OPTIONS = 61,
/// The stack of open #ifs/#ifdefs recorded in a preamble.
PP_CONDITIONAL_STACK = 62,
/// A table of skipped ranges within the preprocessing record.
PPD_SKIPPED_RANGES = 63,
/// Record code for the Decls to be checked for deferred diags.
DECLS_TO_CHECK_FOR_DEFERRED_DIAGS = 64,
/// Record code for \#pragma float_control options.
FLOAT_CONTROL_PRAGMA_OPTIONS = 65,
};
/// Record types used within a source manager block.
enum SourceManagerRecordTypes {
/// Describes a source location entry (SLocEntry) for a
/// file.
SM_SLOC_FILE_ENTRY = 1,
/// Describes a source location entry (SLocEntry) for a
/// buffer.
SM_SLOC_BUFFER_ENTRY = 2,
/// 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,
/// Describes a zlib-compressed blob that contains the data for
/// a buffer entry.
SM_SLOC_BUFFER_BLOB_COMPRESSED = 4,
/// Describes a source location entry (SLocEntry) for a
/// macro expansion.
SM_SLOC_EXPANSION_ENTRY = 5
};
/// 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.
/// An object-like macro definition.
/// [PP_MACRO_OBJECT_LIKE, IdentInfoID, SLoc, IsUsed]
PP_MACRO_OBJECT_LIKE = 1,
/// A function-like macro definition.
/// [PP_MACRO_FUNCTION_LIKE, \<ObjectLikeStuff>, IsC99Varargs,
/// IsGNUVarars, NumArgs, ArgIdentInfoID* ]
PP_MACRO_FUNCTION_LIKE = 2,
/// Describes one token.
/// [PP_TOKEN, SLoc, Length, IdentInfoID, Kind, Flags]
PP_TOKEN = 3,
/// The macro directives history for a particular identifier.
PP_MACRO_DIRECTIVE_HISTORY = 4,
/// A macro directive exported by a module.
/// [PP_MODULE_MACRO, SubmoduleID, MacroID, (Overridden SubmoduleID)*]
PP_MODULE_MACRO = 5,
};
/// Record types used within a preprocessor detail block.
enum PreprocessorDetailRecordTypes {
/// Describes a macro expansion within the preprocessing record.
PPD_MACRO_EXPANSION = 0,
/// Describes a macro definition within the preprocessing record.
PPD_MACRO_DEFINITION = 1,
/// Describes an inclusion directive within the preprocessing
/// record.
PPD_INCLUSION_DIRECTIVE = 2
};
/// Record types used within a submodule description block.
enum SubmoduleRecordTypes {
/// Metadata for submodules as a whole.
SUBMODULE_METADATA = 0,
/// Defines the major attributes of a submodule, including its
/// name and parent.
SUBMODULE_DEFINITION = 1,
/// Specifies the umbrella header used to create this module,
/// if any.
SUBMODULE_UMBRELLA_HEADER = 2,
/// Specifies a header that falls into this (sub)module.
SUBMODULE_HEADER = 3,
/// Specifies a top-level header that falls into this (sub)module.
SUBMODULE_TOPHEADER = 4,
/// Specifies an umbrella directory.
SUBMODULE_UMBRELLA_DIR = 5,
/// Specifies the submodules that are imported by this
/// submodule.
SUBMODULE_IMPORTS = 6,
/// Specifies the submodules that are re-exported from this
/// submodule.
SUBMODULE_EXPORTS = 7,
/// Specifies a required feature.
SUBMODULE_REQUIRES = 8,
/// Specifies a header that has been explicitly excluded
/// from this submodule.
SUBMODULE_EXCLUDED_HEADER = 9,
/// Specifies a library or framework to link against.
SUBMODULE_LINK_LIBRARY = 10,
/// Specifies a configuration macro for this module.
SUBMODULE_CONFIG_MACRO = 11,
/// Specifies a conflict with another module.
SUBMODULE_CONFLICT = 12,
/// Specifies a header that is private to this submodule.
SUBMODULE_PRIVATE_HEADER = 13,
/// Specifies a header that is part of the module but must be
/// textually included.
SUBMODULE_TEXTUAL_HEADER = 14,
/// Specifies a header that is private to this submodule but
/// must be textually included.
SUBMODULE_PRIVATE_TEXTUAL_HEADER = 15,
/// Specifies some declarations with initializers that must be
/// emitted to initialize the module.
SUBMODULE_INITIALIZERS = 16,
/// Specifies the name of the module that will eventually
/// re-export the entities in this module.
SUBMODULE_EXPORT_AS = 17,
};
/// 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.
///
/// @{
/// 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 {
/// The NULL type.
PREDEF_TYPE_NULL_ID = 0,
/// The void type.
PREDEF_TYPE_VOID_ID = 1,
/// The 'bool' or '_Bool' type.
PREDEF_TYPE_BOOL_ID = 2,
/// The 'char' type, when it is unsigned.
PREDEF_TYPE_CHAR_U_ID = 3,
/// The 'unsigned char' type.
PREDEF_TYPE_UCHAR_ID = 4,
/// The 'unsigned short' type.
PREDEF_TYPE_USHORT_ID = 5,
/// The 'unsigned int' type.
PREDEF_TYPE_UINT_ID = 6,
/// The 'unsigned long' type.
PREDEF_TYPE_ULONG_ID = 7,
/// The 'unsigned long long' type.
PREDEF_TYPE_ULONGLONG_ID = 8,
/// The 'char' type, when it is signed.
PREDEF_TYPE_CHAR_S_ID = 9,
/// The 'signed char' type.
PREDEF_TYPE_SCHAR_ID = 10,
/// The C++ 'wchar_t' type.
PREDEF_TYPE_WCHAR_ID = 11,
/// The (signed) 'short' type.
PREDEF_TYPE_SHORT_ID = 12,
/// The (signed) 'int' type.
PREDEF_TYPE_INT_ID = 13,
/// The (signed) 'long' type.
PREDEF_TYPE_LONG_ID = 14,
/// The (signed) 'long long' type.
PREDEF_TYPE_LONGLONG_ID = 15,
/// The 'float' type.
PREDEF_TYPE_FLOAT_ID = 16,
/// The 'double' type.
PREDEF_TYPE_DOUBLE_ID = 17,
/// The 'long double' type.
PREDEF_TYPE_LONGDOUBLE_ID = 18,
/// The placeholder type for overloaded function sets.
PREDEF_TYPE_OVERLOAD_ID = 19,
/// The placeholder type for dependent types.
PREDEF_TYPE_DEPENDENT_ID = 20,
/// The '__uint128_t' type.
PREDEF_TYPE_UINT128_ID = 21,
/// The '__int128_t' type.
PREDEF_TYPE_INT128_ID = 22,
/// The type of 'nullptr'.
PREDEF_TYPE_NULLPTR_ID = 23,
/// The C++ 'char16_t' type.
PREDEF_TYPE_CHAR16_ID = 24,
/// The C++ 'char32_t' type.
PREDEF_TYPE_CHAR32_ID = 25,
/// The ObjC 'id' type.
PREDEF_TYPE_OBJC_ID = 26,
/// The ObjC 'Class' type.
PREDEF_TYPE_OBJC_CLASS = 27,
/// The ObjC 'SEL' type.
PREDEF_TYPE_OBJC_SEL = 28,
/// The 'unknown any' placeholder type.
PREDEF_TYPE_UNKNOWN_ANY = 29,
/// The placeholder type for bound member functions.
PREDEF_TYPE_BOUND_MEMBER = 30,
/// The "auto" deduction type.
PREDEF_TYPE_AUTO_DEDUCT = 31,
/// The "auto &&" deduction type.
PREDEF_TYPE_AUTO_RREF_DEDUCT = 32,
/// The OpenCL 'half' / ARM NEON __fp16 type.
PREDEF_TYPE_HALF_ID = 33,
/// ARC's unbridged-cast placeholder type.
PREDEF_TYPE_ARC_UNBRIDGED_CAST = 34,
/// The pseudo-object placeholder type.
PREDEF_TYPE_PSEUDO_OBJECT = 35,
/// The placeholder type for builtin functions.
PREDEF_TYPE_BUILTIN_FN = 36,
/// OpenCL event type.
PREDEF_TYPE_EVENT_ID = 37,
/// OpenCL clk event type.
PREDEF_TYPE_CLK_EVENT_ID = 38,
/// OpenCL sampler type.
PREDEF_TYPE_SAMPLER_ID = 39,
/// OpenCL queue type.
PREDEF_TYPE_QUEUE_ID = 40,
/// OpenCL reserve_id type.
PREDEF_TYPE_RESERVE_ID_ID = 41,
/// The placeholder type for OpenMP array section.
PREDEF_TYPE_OMP_ARRAY_SECTION = 42,
/// The '__float128' type
PREDEF_TYPE_FLOAT128_ID = 43,
/// The '_Float16' type
PREDEF_TYPE_FLOAT16_ID = 44,
/// The C++ 'char8_t' type.
PREDEF_TYPE_CHAR8_ID = 45,
/// \brief The 'short _Accum' type
PREDEF_TYPE_SHORT_ACCUM_ID = 46,
/// \brief The '_Accum' type
PREDEF_TYPE_ACCUM_ID = 47,
/// \brief The 'long _Accum' type
PREDEF_TYPE_LONG_ACCUM_ID = 48,
/// \brief The 'unsigned short _Accum' type
PREDEF_TYPE_USHORT_ACCUM_ID = 49,
/// \brief The 'unsigned _Accum' type
PREDEF_TYPE_UACCUM_ID = 50,
/// \brief The 'unsigned long _Accum' type
PREDEF_TYPE_ULONG_ACCUM_ID = 51,
/// \brief The 'short _Fract' type
PREDEF_TYPE_SHORT_FRACT_ID = 52,
/// \brief The '_Fract' type
PREDEF_TYPE_FRACT_ID = 53,
/// \brief The 'long _Fract' type
PREDEF_TYPE_LONG_FRACT_ID = 54,
/// \brief The 'unsigned short _Fract' type
PREDEF_TYPE_USHORT_FRACT_ID = 55,
/// \brief The 'unsigned _Fract' type
PREDEF_TYPE_UFRACT_ID = 56,
/// \brief The 'unsigned long _Fract' type
PREDEF_TYPE_ULONG_FRACT_ID = 57,
/// \brief The '_Sat short _Accum' type
PREDEF_TYPE_SAT_SHORT_ACCUM_ID = 58,
/// \brief The '_Sat _Accum' type
PREDEF_TYPE_SAT_ACCUM_ID = 59,
/// \brief The '_Sat long _Accum' type
PREDEF_TYPE_SAT_LONG_ACCUM_ID = 60,
/// \brief The '_Sat unsigned short _Accum' type
PREDEF_TYPE_SAT_USHORT_ACCUM_ID = 61,
/// \brief The '_Sat unsigned _Accum' type
PREDEF_TYPE_SAT_UACCUM_ID = 62,
/// \brief The '_Sat unsigned long _Accum' type
PREDEF_TYPE_SAT_ULONG_ACCUM_ID = 63,
/// \brief The '_Sat short _Fract' type
PREDEF_TYPE_SAT_SHORT_FRACT_ID = 64,
/// \brief The '_Sat _Fract' type
PREDEF_TYPE_SAT_FRACT_ID = 65,
/// \brief The '_Sat long _Fract' type
PREDEF_TYPE_SAT_LONG_FRACT_ID = 66,
/// \brief The '_Sat unsigned short _Fract' type
PREDEF_TYPE_SAT_USHORT_FRACT_ID = 67,
/// \brief The '_Sat unsigned _Fract' type
PREDEF_TYPE_SAT_UFRACT_ID = 68,
/// \brief The '_Sat unsigned long _Fract' type
PREDEF_TYPE_SAT_ULONG_FRACT_ID = 69,
/// The placeholder type for OpenMP array shaping operation.
PREDEF_TYPE_OMP_ARRAY_SHAPING = 70,
/// The placeholder type for OpenMP iterator expression.
PREDEF_TYPE_OMP_ITERATOR = 71,
/// OpenCL image types with auto numeration
#define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
PREDEF_TYPE_##Id##_ID,
#include "clang/Basic/OpenCLImageTypes.def"
/// \brief OpenCL extension types with auto numeration
#define EXT_OPAQUE_TYPE(ExtType, Id, Ext) \
PREDEF_TYPE_##Id##_ID,
#include "clang/Basic/OpenCLExtensionTypes.def"
// \brief SVE types with auto numeration
#define SVE_TYPE(Name, Id, SingletonId) PREDEF_TYPE_##Id##_ID,
#include "clang/Basic/AArch64SVEACLETypes.def"
};
/// 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 = 200;
/// 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. Note that DeclCode values share this code space.
enum TypeCode {
#define TYPE_BIT_CODE(CLASS_ID, CODE_ID, CODE_VALUE) \
TYPE_##CODE_ID = CODE_VALUE,
#include "clang/Serialization/TypeBitCodes.def"
/// An ExtQualType record.
TYPE_EXT_QUAL = 1
};
/// The type IDs for special types constructed by semantic
/// analysis.
///
/// The constants in this enumeration are indices into the
/// SPECIAL_TYPES record.
enum SpecialTypeIDs {
/// CFConstantString type
SPECIAL_TYPE_CF_CONSTANT_STRING = 0,
/// C FILE typedef type
SPECIAL_TYPE_FILE = 1,
/// C jmp_buf typedef type
SPECIAL_TYPE_JMP_BUF = 2,
/// C sigjmp_buf typedef type
SPECIAL_TYPE_SIGJMP_BUF = 3,
/// Objective-C "id" redefinition type
SPECIAL_TYPE_OBJC_ID_REDEFINITION = 4,
/// Objective-C "Class" redefinition type
SPECIAL_TYPE_OBJC_CLASS_REDEFINITION = 5,
/// Objective-C "SEL" redefinition type
SPECIAL_TYPE_OBJC_SEL_REDEFINITION = 6,
/// C ucontext_t typedef type
SPECIAL_TYPE_UCONTEXT_T = 7
};
/// The number of special type IDs.
const unsigned NumSpecialTypeIDs = 8;
/// 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 {
/// The NULL declaration.
PREDEF_DECL_NULL_ID = 0,
/// The translation unit.
PREDEF_DECL_TRANSLATION_UNIT_ID = 1,
/// The Objective-C 'id' type.
PREDEF_DECL_OBJC_ID_ID = 2,
/// The Objective-C 'SEL' type.
PREDEF_DECL_OBJC_SEL_ID = 3,
/// The Objective-C 'Class' type.
PREDEF_DECL_OBJC_CLASS_ID = 4,
/// The Objective-C 'Protocol' type.
PREDEF_DECL_OBJC_PROTOCOL_ID = 5,
/// The signed 128-bit integer type.
PREDEF_DECL_INT_128_ID = 6,
/// The unsigned 128-bit integer type.
PREDEF_DECL_UNSIGNED_INT_128_ID = 7,
/// The internal 'instancetype' typedef.
PREDEF_DECL_OBJC_INSTANCETYPE_ID = 8,
/// The internal '__builtin_va_list' typedef.
PREDEF_DECL_BUILTIN_VA_LIST_ID = 9,
/// The internal '__va_list_tag' struct, if any.
PREDEF_DECL_VA_LIST_TAG = 10,
/// The internal '__builtin_ms_va_list' typedef.
PREDEF_DECL_BUILTIN_MS_VA_LIST_ID = 11,
/// The predeclared '_GUID' struct.
PREDEF_DECL_BUILTIN_MS_GUID_ID = 12,
/// The extern "C" context.
PREDEF_DECL_EXTERN_C_CONTEXT_ID = 13,
/// The internal '__make_integer_seq' template.
PREDEF_DECL_MAKE_INTEGER_SEQ_ID = 14,
/// The internal '__NSConstantString' typedef.
PREDEF_DECL_CF_CONSTANT_STRING_ID = 15,
/// The internal '__NSConstantString' tag type.
PREDEF_DECL_CF_CONSTANT_STRING_TAG_ID = 16,
/// The internal '__type_pack_element' template.
PREDEF_DECL_TYPE_PACK_ELEMENT_ID = 17,
};
/// 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 = 18;
/// Record of updates for a declaration that was modified after
/// being deserialized. This can occur within DECLTYPES_BLOCK_ID.
const unsigned int DECL_UPDATES = 49;
/// Record code for a list of local redeclarations of a declaration.
/// This can occur within DECLTYPES_BLOCK_ID.
const unsigned int LOCAL_REDECLARATIONS = 50;
/// Record codes for each kind of declaration.
///
/// These constants describe the declaration records that can occur within
/// a declarations block (identified by DECLTYPES_BLOCK_ID). Each
/// constant describes a record for a specific declaration class
/// in the AST. Note that TypeCode values share this code space.
enum DeclCode {
/// A TypedefDecl record.
DECL_TYPEDEF = 51,
/// A TypeAliasDecl record.
DECL_TYPEALIAS,
/// An EnumDecl record.
DECL_ENUM,
/// A RecordDecl record.
DECL_RECORD,
/// An EnumConstantDecl record.
DECL_ENUM_CONSTANT,
/// A FunctionDecl record.
DECL_FUNCTION,
/// A ObjCMethodDecl record.
DECL_OBJC_METHOD,
/// A ObjCInterfaceDecl record.
DECL_OBJC_INTERFACE,
/// A ObjCProtocolDecl record.
DECL_OBJC_PROTOCOL,
/// A ObjCIvarDecl record.
DECL_OBJC_IVAR,
/// A ObjCAtDefsFieldDecl record.
DECL_OBJC_AT_DEFS_FIELD,
/// A ObjCCategoryDecl record.
DECL_OBJC_CATEGORY,
/// A ObjCCategoryImplDecl record.
DECL_OBJC_CATEGORY_IMPL,
/// A ObjCImplementationDecl record.
DECL_OBJC_IMPLEMENTATION,
/// A ObjCCompatibleAliasDecl record.
DECL_OBJC_COMPATIBLE_ALIAS,
/// A ObjCPropertyDecl record.
DECL_OBJC_PROPERTY,
/// A ObjCPropertyImplDecl record.
DECL_OBJC_PROPERTY_IMPL,
/// A FieldDecl record.
DECL_FIELD,
/// A MSPropertyDecl record.
DECL_MS_PROPERTY,
/// A MSGuidDecl record.
DECL_MS_GUID,
/// A VarDecl record.
DECL_VAR,
/// An ImplicitParamDecl record.
DECL_IMPLICIT_PARAM,
/// A ParmVarDecl record.
DECL_PARM_VAR,
/// A DecompositionDecl record.
DECL_DECOMPOSITION,
/// A BindingDecl record.
DECL_BINDING,
/// A FileScopeAsmDecl record.
DECL_FILE_SCOPE_ASM,
/// A BlockDecl record.
DECL_BLOCK,
/// A CapturedDecl record.
DECL_CAPTURED,
/// A record that stores the set of declarations that are
/// lexically stored within a given DeclContext.
///
/// The record itself is a blob that is an array of declaration IDs,
/// in the order in which those declarations were added to the
/// declaration context. This data is used when iterating over
/// the contents of a DeclContext, e.g., via
/// DeclContext::decls_begin() and DeclContext::decls_end().
DECL_CONTEXT_LEXICAL,
/// A record that stores the set of declarations that are
/// visible from a given DeclContext.
///
/// The record itself stores a set of mappings, each of which
/// associates a declaration name with one or more declaration
/// IDs. This data is used when performing qualified name lookup
/// into a DeclContext via DeclContext::lookup.
DECL_CONTEXT_VISIBLE,
/// A LabelDecl record.
DECL_LABEL,
/// A NamespaceDecl record.
DECL_NAMESPACE,
/// A NamespaceAliasDecl record.
DECL_NAMESPACE_ALIAS,
/// A UsingDecl record.
DECL_USING,
/// A UsingPackDecl record.
DECL_USING_PACK,
/// A UsingShadowDecl record.
DECL_USING_SHADOW,
/// A ConstructorUsingShadowDecl record.
DECL_CONSTRUCTOR_USING_SHADOW,
/// A UsingDirecitveDecl record.
DECL_USING_DIRECTIVE,
/// An UnresolvedUsingValueDecl record.
DECL_UNRESOLVED_USING_VALUE,
/// An UnresolvedUsingTypenameDecl record.
DECL_UNRESOLVED_USING_TYPENAME,
/// A LinkageSpecDecl record.
DECL_LINKAGE_SPEC,
/// An ExportDecl record.
DECL_EXPORT,
/// A CXXRecordDecl record.
DECL_CXX_RECORD,
/// A CXXDeductionGuideDecl record.
DECL_CXX_DEDUCTION_GUIDE,
/// A CXXMethodDecl record.
DECL_CXX_METHOD,
/// A CXXConstructorDecl record.
DECL_CXX_CONSTRUCTOR,
/// A CXXDestructorDecl record.
DECL_CXX_DESTRUCTOR,
/// A CXXConversionDecl record.
DECL_CXX_CONVERSION,
/// An AccessSpecDecl record.
DECL_ACCESS_SPEC,
/// A FriendDecl record.
DECL_FRIEND,
/// A FriendTemplateDecl record.
DECL_FRIEND_TEMPLATE,
/// A ClassTemplateDecl record.
DECL_CLASS_TEMPLATE,
/// A ClassTemplateSpecializationDecl record.
DECL_CLASS_TEMPLATE_SPECIALIZATION,
/// A ClassTemplatePartialSpecializationDecl record.
DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION,
/// A VarTemplateDecl record.
DECL_VAR_TEMPLATE,
/// A VarTemplateSpecializationDecl record.
DECL_VAR_TEMPLATE_SPECIALIZATION,
/// A VarTemplatePartialSpecializationDecl record.
DECL_VAR_TEMPLATE_PARTIAL_SPECIALIZATION,
/// A FunctionTemplateDecl record.
DECL_FUNCTION_TEMPLATE,
/// A TemplateTypeParmDecl record.
DECL_TEMPLATE_TYPE_PARM,
/// A NonTypeTemplateParmDecl record.
DECL_NON_TYPE_TEMPLATE_PARM,
/// A TemplateTemplateParmDecl record.
DECL_TEMPLATE_TEMPLATE_PARM,
/// A TypeAliasTemplateDecl record.
DECL_TYPE_ALIAS_TEMPLATE,
/// \brief A ConceptDecl record.
DECL_CONCEPT,
/// \brief A StaticAssertDecl record.
DECL_STATIC_ASSERT,
/// A record containing CXXBaseSpecifiers.
DECL_CXX_BASE_SPECIFIERS,
/// A record containing CXXCtorInitializers.
DECL_CXX_CTOR_INITIALIZERS,
/// A IndirectFieldDecl record.
DECL_INDIRECTFIELD,
/// A NonTypeTemplateParmDecl record that stores an expanded
/// non-type template parameter pack.
DECL_EXPANDED_NON_TYPE_TEMPLATE_PARM_PACK,
/// A TemplateTemplateParmDecl record that stores an expanded
/// template template parameter pack.
DECL_EXPANDED_TEMPLATE_TEMPLATE_PARM_PACK,
/// A ClassScopeFunctionSpecializationDecl record a class scope
/// function specialization. (Microsoft extension).
DECL_CLASS_SCOPE_FUNCTION_SPECIALIZATION,
/// An ImportDecl recording a module import.
DECL_IMPORT,
/// An OMPThreadPrivateDecl record.
DECL_OMP_THREADPRIVATE,
/// An OMPRequiresDecl record.
DECL_OMP_REQUIRES,
/// An OMPAllocateDcl record.
DECL_OMP_ALLOCATE,
/// An EmptyDecl record.
DECL_EMPTY,
/// An LifetimeExtendedTemporaryDecl record.
DECL_LIFETIME_EXTENDED_TEMPORARY,
/// A RequiresExprBodyDecl record.
DECL_REQUIRES_EXPR_BODY,
/// An ObjCTypeParamDecl record.
DECL_OBJC_TYPE_PARAM,
/// An OMPCapturedExprDecl record.
DECL_OMP_CAPTUREDEXPR,
/// A PragmaCommentDecl record.
DECL_PRAGMA_COMMENT,
/// A PragmaDetectMismatchDecl record.
DECL_PRAGMA_DETECT_MISMATCH,
/// An OMPDeclareMapperDecl record.
DECL_OMP_DECLARE_MAPPER,
/// An OMPDeclareReductionDecl record.
DECL_OMP_DECLARE_REDUCTION,
DECL_LAST = DECL_OMP_DECLARE_REDUCTION
};
/// Record codes for each kind of statement or expression.
///
/// These constants describe the records that describe statements
/// or expressions. These records occur within type and declarations
/// block, so they begin with record values of 128. Each constant
/// describes a record for a specific statement or expression class in the
/// AST.
enum StmtCode {
/// A marker record that indicates that we are at the end
/// of an expression.
STMT_STOP = DECL_LAST + 1,
/// A NULL expression.
STMT_NULL_PTR,
/// A reference to a previously [de]serialized Stmt record.
STMT_REF_PTR,
/// A NullStmt record.
STMT_NULL,
/// A CompoundStmt record.
STMT_COMPOUND,
/// A CaseStmt record.
STMT_CASE,
/// A DefaultStmt record.
STMT_DEFAULT,
/// A LabelStmt record.
STMT_LABEL,
/// An AttributedStmt record.
STMT_ATTRIBUTED,
/// An IfStmt record.
STMT_IF,
/// A SwitchStmt record.
STMT_SWITCH,
/// A WhileStmt record.
STMT_WHILE,
/// A DoStmt record.
STMT_DO,
/// A ForStmt record.
STMT_FOR,
/// A GotoStmt record.
STMT_GOTO,
/// An IndirectGotoStmt record.
STMT_INDIRECT_GOTO,
/// A ContinueStmt record.
STMT_CONTINUE,
/// A BreakStmt record.
STMT_BREAK,
/// A ReturnStmt record.
STMT_RETURN,
/// A DeclStmt record.
STMT_DECL,
/// A CapturedStmt record.
STMT_CAPTURED,
/// A GCC-style AsmStmt record.
STMT_GCCASM,
/// A MS-style AsmStmt record.
STMT_MSASM,
/// A constant expression context.
EXPR_CONSTANT,
/// A PredefinedExpr record.
EXPR_PREDEFINED,
/// A DeclRefExpr record.
EXPR_DECL_REF,
/// An IntegerLiteral record.
EXPR_INTEGER_LITERAL,
/// A FloatingLiteral record.
EXPR_FLOATING_LITERAL,
/// An ImaginaryLiteral record.
EXPR_IMAGINARY_LITERAL,
/// A StringLiteral record.
EXPR_STRING_LITERAL,
/// A CharacterLiteral record.
EXPR_CHARACTER_LITERAL,
/// A ParenExpr record.
EXPR_PAREN,
/// A ParenListExpr record.
EXPR_PAREN_LIST,
/// A UnaryOperator record.
EXPR_UNARY_OPERATOR,
/// An OffsetOfExpr record.
EXPR_OFFSETOF,
/// A SizefAlignOfExpr record.
EXPR_SIZEOF_ALIGN_OF,
/// An ArraySubscriptExpr record.
EXPR_ARRAY_SUBSCRIPT,
/// A CallExpr record.
EXPR_CALL,
/// A MemberExpr record.
EXPR_MEMBER,
/// A BinaryOperator record.
EXPR_BINARY_OPERATOR,
/// A CompoundAssignOperator record.
EXPR_COMPOUND_ASSIGN_OPERATOR,
/// A ConditionOperator record.
EXPR_CONDITIONAL_OPERATOR,
/// An ImplicitCastExpr record.
EXPR_IMPLICIT_CAST,
/// A CStyleCastExpr record.
EXPR_CSTYLE_CAST,
/// A CompoundLiteralExpr record.
EXPR_COMPOUND_LITERAL,
/// An ExtVectorElementExpr record.
EXPR_EXT_VECTOR_ELEMENT,
/// An InitListExpr record.
EXPR_INIT_LIST,
/// A DesignatedInitExpr record.
EXPR_DESIGNATED_INIT,
/// A DesignatedInitUpdateExpr record.
EXPR_DESIGNATED_INIT_UPDATE,
/// An NoInitExpr record.
EXPR_NO_INIT,
/// An ArrayInitLoopExpr record.
EXPR_ARRAY_INIT_LOOP,
/// An ArrayInitIndexExpr record.
EXPR_ARRAY_INIT_INDEX,
/// An ImplicitValueInitExpr record.
EXPR_IMPLICIT_VALUE_INIT,
/// A VAArgExpr record.
EXPR_VA_ARG,
/// An AddrLabelExpr record.
EXPR_ADDR_LABEL,
/// A StmtExpr record.
EXPR_STMT,
/// A ChooseExpr record.
EXPR_CHOOSE,
/// A GNUNullExpr record.
EXPR_GNU_NULL,
/// A SourceLocExpr record.
EXPR_SOURCE_LOC,
/// A ShuffleVectorExpr record.
EXPR_SHUFFLE_VECTOR,
/// A ConvertVectorExpr record.
EXPR_CONVERT_VECTOR,
/// BlockExpr
EXPR_BLOCK,
/// A GenericSelectionExpr record.
EXPR_GENERIC_SELECTION,
/// A PseudoObjectExpr record.
EXPR_PSEUDO_OBJECT,
/// An AtomicExpr record.
EXPR_ATOMIC,
/// A RecoveryExpr record.
EXPR_RECOVERY,
// Objective-C
/// An ObjCStringLiteral record.
EXPR_OBJC_STRING_LITERAL,
EXPR_OBJC_BOXED_EXPRESSION,
EXPR_OBJC_ARRAY_LITERAL,
EXPR_OBJC_DICTIONARY_LITERAL,
/// An ObjCEncodeExpr record.
EXPR_OBJC_ENCODE,
/// An ObjCSelectorExpr record.
EXPR_OBJC_SELECTOR_EXPR,
/// An ObjCProtocolExpr record.
EXPR_OBJC_PROTOCOL_EXPR,
/// An ObjCIvarRefExpr record.
EXPR_OBJC_IVAR_REF_EXPR,
/// An ObjCPropertyRefExpr record.
EXPR_OBJC_PROPERTY_REF_EXPR,
/// An ObjCSubscriptRefExpr record.
EXPR_OBJC_SUBSCRIPT_REF_EXPR,
/// UNUSED
EXPR_OBJC_KVC_REF_EXPR,
/// An ObjCMessageExpr record.
EXPR_OBJC_MESSAGE_EXPR,
/// An ObjCIsa Expr record.
EXPR_OBJC_ISA,
/// An ObjCIndirectCopyRestoreExpr record.
EXPR_OBJC_INDIRECT_COPY_RESTORE,
/// An ObjCForCollectionStmt record.
STMT_OBJC_FOR_COLLECTION,
/// An ObjCAtCatchStmt record.
STMT_OBJC_CATCH,
/// An ObjCAtFinallyStmt record.
STMT_OBJC_FINALLY,
/// An ObjCAtTryStmt record.
STMT_OBJC_AT_TRY,
/// An ObjCAtSynchronizedStmt record.
STMT_OBJC_AT_SYNCHRONIZED,
/// An ObjCAtThrowStmt record.
STMT_OBJC_AT_THROW,
/// An ObjCAutoreleasePoolStmt record.
STMT_OBJC_AUTORELEASE_POOL,
/// An ObjCBoolLiteralExpr record.
EXPR_OBJC_BOOL_LITERAL,
/// An ObjCAvailabilityCheckExpr record.
EXPR_OBJC_AVAILABILITY_CHECK,
// C++
/// A CXXCatchStmt record.
STMT_CXX_CATCH,
/// A CXXTryStmt record.
STMT_CXX_TRY,
/// A CXXForRangeStmt record.
STMT_CXX_FOR_RANGE,
/// A CXXOperatorCallExpr record.
EXPR_CXX_OPERATOR_CALL,
/// A CXXMemberCallExpr record.
EXPR_CXX_MEMBER_CALL,
/// A CXXRewrittenBinaryOperator record.
EXPR_CXX_REWRITTEN_BINARY_OPERATOR,
/// A CXXConstructExpr record.
EXPR_CXX_CONSTRUCT,
/// A CXXInheritedCtorInitExpr record.
EXPR_CXX_INHERITED_CTOR_INIT,
/// A CXXTemporaryObjectExpr record.
EXPR_CXX_TEMPORARY_OBJECT,
/// A CXXStaticCastExpr record.
EXPR_CXX_STATIC_CAST,
/// A CXXDynamicCastExpr record.
EXPR_CXX_DYNAMIC_CAST,
/// A CXXReinterpretCastExpr record.
EXPR_CXX_REINTERPRET_CAST,
/// A CXXConstCastExpr record.
EXPR_CXX_CONST_CAST,
/// A CXXAddrspaceCastExpr record.
EXPR_CXX_ADDRSPACE_CAST,
/// A CXXFunctionalCastExpr record.
EXPR_CXX_FUNCTIONAL_CAST,
/// A UserDefinedLiteral record.
EXPR_USER_DEFINED_LITERAL,
/// A CXXStdInitializerListExpr record.
EXPR_CXX_STD_INITIALIZER_LIST,
/// A CXXBoolLiteralExpr record.
EXPR_CXX_BOOL_LITERAL,
EXPR_CXX_NULL_PTR_LITERAL, // CXXNullPtrLiteralExpr
EXPR_CXX_TYPEID_EXPR, // CXXTypeidExpr (of expr).
EXPR_CXX_TYPEID_TYPE, // CXXTypeidExpr (of type).
EXPR_CXX_THIS, // CXXThisExpr
EXPR_CXX_THROW, // CXXThrowExpr
EXPR_CXX_DEFAULT_ARG, // CXXDefaultArgExpr
EXPR_CXX_DEFAULT_INIT, // CXXDefaultInitExpr
EXPR_CXX_BIND_TEMPORARY, // CXXBindTemporaryExpr
EXPR_CXX_SCALAR_VALUE_INIT, // CXXScalarValueInitExpr
EXPR_CXX_NEW, // CXXNewExpr
EXPR_CXX_DELETE, // CXXDeleteExpr
EXPR_CXX_PSEUDO_DESTRUCTOR, // CXXPseudoDestructorExpr
EXPR_EXPR_WITH_CLEANUPS, // ExprWithCleanups
EXPR_CXX_DEPENDENT_SCOPE_MEMBER, // CXXDependentScopeMemberExpr
EXPR_CXX_DEPENDENT_SCOPE_DECL_REF, // DependentScopeDeclRefExpr
EXPR_CXX_UNRESOLVED_CONSTRUCT, // CXXUnresolvedConstructExpr
EXPR_CXX_UNRESOLVED_MEMBER, // UnresolvedMemberExpr
EXPR_CXX_UNRESOLVED_LOOKUP, // UnresolvedLookupExpr
EXPR_CXX_EXPRESSION_TRAIT, // ExpressionTraitExpr
EXPR_CXX_NOEXCEPT, // CXXNoexceptExpr
EXPR_OPAQUE_VALUE, // OpaqueValueExpr
EXPR_BINARY_CONDITIONAL_OPERATOR, // BinaryConditionalOperator
EXPR_TYPE_TRAIT, // TypeTraitExpr
EXPR_ARRAY_TYPE_TRAIT, // ArrayTypeTraitIntExpr
EXPR_PACK_EXPANSION, // PackExpansionExpr
EXPR_SIZEOF_PACK, // SizeOfPackExpr
EXPR_SUBST_NON_TYPE_TEMPLATE_PARM, // SubstNonTypeTemplateParmExpr
EXPR_SUBST_NON_TYPE_TEMPLATE_PARM_PACK,// SubstNonTypeTemplateParmPackExpr
EXPR_FUNCTION_PARM_PACK, // FunctionParmPackExpr
EXPR_MATERIALIZE_TEMPORARY, // MaterializeTemporaryExpr
EXPR_CXX_FOLD, // CXXFoldExpr
EXPR_CONCEPT_SPECIALIZATION,// ConceptSpecializationExpr
EXPR_REQUIRES, // RequiresExpr
// CUDA
EXPR_CUDA_KERNEL_CALL, // CUDAKernelCallExpr
// OpenCL
EXPR_ASTYPE, // AsTypeExpr
// Microsoft
EXPR_CXX_PROPERTY_REF_EXPR, // MSPropertyRefExpr
EXPR_CXX_PROPERTY_SUBSCRIPT_EXPR, // MSPropertySubscriptExpr
EXPR_CXX_UUIDOF_EXPR, // CXXUuidofExpr (of expr).
EXPR_CXX_UUIDOF_TYPE, // CXXUuidofExpr (of type).
STMT_SEH_LEAVE, // SEHLeaveStmt
STMT_SEH_EXCEPT, // SEHExceptStmt
STMT_SEH_FINALLY, // SEHFinallyStmt
STMT_SEH_TRY, // SEHTryStmt
// OpenMP directives
STMT_OMP_PARALLEL_DIRECTIVE,
STMT_OMP_SIMD_DIRECTIVE,
STMT_OMP_FOR_DIRECTIVE,
STMT_OMP_FOR_SIMD_DIRECTIVE,
STMT_OMP_SECTIONS_DIRECTIVE,
STMT_OMP_SECTION_DIRECTIVE,
STMT_OMP_SINGLE_DIRECTIVE,
STMT_OMP_MASTER_DIRECTIVE,
STMT_OMP_CRITICAL_DIRECTIVE,
STMT_OMP_PARALLEL_FOR_DIRECTIVE,
STMT_OMP_PARALLEL_FOR_SIMD_DIRECTIVE,
STMT_OMP_PARALLEL_MASTER_DIRECTIVE,
STMT_OMP_PARALLEL_SECTIONS_DIRECTIVE,
STMT_OMP_TASK_DIRECTIVE,
STMT_OMP_TASKYIELD_DIRECTIVE,
STMT_OMP_BARRIER_DIRECTIVE,
STMT_OMP_TASKWAIT_DIRECTIVE,
STMT_OMP_FLUSH_DIRECTIVE,
STMT_OMP_DEPOBJ_DIRECTIVE,
STMT_OMP_SCAN_DIRECTIVE,
STMT_OMP_ORDERED_DIRECTIVE,
STMT_OMP_ATOMIC_DIRECTIVE,
STMT_OMP_TARGET_DIRECTIVE,
STMT_OMP_TARGET_DATA_DIRECTIVE,
STMT_OMP_TARGET_ENTER_DATA_DIRECTIVE,
STMT_OMP_TARGET_EXIT_DATA_DIRECTIVE,
STMT_OMP_TARGET_PARALLEL_DIRECTIVE,
STMT_OMP_TARGET_PARALLEL_FOR_DIRECTIVE,
STMT_OMP_TEAMS_DIRECTIVE,
STMT_OMP_TASKGROUP_DIRECTIVE,
STMT_OMP_CANCELLATION_POINT_DIRECTIVE,
STMT_OMP_CANCEL_DIRECTIVE,
STMT_OMP_TASKLOOP_DIRECTIVE,
STMT_OMP_TASKLOOP_SIMD_DIRECTIVE,
STMT_OMP_MASTER_TASKLOOP_DIRECTIVE,
STMT_OMP_MASTER_TASKLOOP_SIMD_DIRECTIVE,
STMT_OMP_PARALLEL_MASTER_TASKLOOP_DIRECTIVE,
STMT_OMP_PARALLEL_MASTER_TASKLOOP_SIMD_DIRECTIVE,
STMT_OMP_DISTRIBUTE_DIRECTIVE,
STMT_OMP_TARGET_UPDATE_DIRECTIVE,
STMT_OMP_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
STMT_OMP_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
STMT_OMP_DISTRIBUTE_SIMD_DIRECTIVE,
STMT_OMP_TARGET_PARALLEL_FOR_SIMD_DIRECTIVE,
STMT_OMP_TARGET_SIMD_DIRECTIVE,
STMT_OMP_TEAMS_DISTRIBUTE_DIRECTIVE,
STMT_OMP_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE,
STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
STMT_OMP_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
STMT_OMP_TARGET_TEAMS_DIRECTIVE,
STMT_OMP_TARGET_TEAMS_DISTRIBUTE_DIRECTIVE,
STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_DIRECTIVE,
STMT_OMP_TARGET_TEAMS_DISTRIBUTE_PARALLEL_FOR_SIMD_DIRECTIVE,
STMT_OMP_TARGET_TEAMS_DISTRIBUTE_SIMD_DIRECTIVE,
EXPR_OMP_ARRAY_SECTION,
EXPR_OMP_ARRAY_SHAPING,
EXPR_OMP_ITERATOR,
// ARC
EXPR_OBJC_BRIDGED_CAST, // ObjCBridgedCastExpr
STMT_MS_DEPENDENT_EXISTS, // MSDependentExistsStmt
EXPR_LAMBDA, // LambdaExpr
STMT_COROUTINE_BODY,
STMT_CORETURN,
EXPR_COAWAIT,
EXPR_COYIELD,
EXPR_DEPENDENT_COAWAIT,
// FixedPointLiteral
EXPR_FIXEDPOINT_LITERAL,
};
/// The kinds of designators that can occur in a
/// DesignatedInitExpr.
enum DesignatorTypes {
/// Field designator where only the field name is known.
DESIG_FIELD_NAME = 0,
/// Field designator where the field has been resolved to
/// a declaration.
DESIG_FIELD_DECL = 1,
/// Array designator.
DESIG_ARRAY = 2,
/// GNU array range designator.
DESIG_ARRAY_RANGE = 3
};
/// The different kinds of data that can occur in a
/// CtorInitializer.
enum CtorInitializerType {
CTOR_INITIALIZER_BASE,
CTOR_INITIALIZER_DELEGATING,
CTOR_INITIALIZER_MEMBER,
CTOR_INITIALIZER_INDIRECT_MEMBER
};
/// Kinds of cleanup objects owned by ExprWithCleanups.
enum CleanupObjectKind { COK_Block, COK_CompoundLiteral };
/// Describes the redeclarations of a declaration.
struct LocalRedeclarationsInfo {
// The ID of the first declaration
DeclID FirstID;
// Offset into the array of redeclaration chains.
unsigned Offset;
friend bool operator<(const LocalRedeclarationsInfo &X,
const LocalRedeclarationsInfo &Y) {
return X.FirstID < Y.FirstID;
}
friend bool operator>(const LocalRedeclarationsInfo &X,
const LocalRedeclarationsInfo &Y) {
return X.FirstID > Y.FirstID;
}
friend bool operator<=(const LocalRedeclarationsInfo &X,
const LocalRedeclarationsInfo &Y) {
return X.FirstID <= Y.FirstID;
}
friend bool operator>=(const LocalRedeclarationsInfo &X,
const LocalRedeclarationsInfo &Y) {
return X.FirstID >= Y.FirstID;
}
};
/// Describes the categories of an Objective-C class.
struct ObjCCategoriesInfo {
// The ID of the definition
DeclID DefinitionID;
// Offset into the array of category lists.
unsigned Offset;
friend bool operator<(const ObjCCategoriesInfo &X,
const ObjCCategoriesInfo &Y) {
return X.DefinitionID < Y.DefinitionID;
}
friend bool operator>(const ObjCCategoriesInfo &X,
const ObjCCategoriesInfo &Y) {
return X.DefinitionID > Y.DefinitionID;
}
friend bool operator<=(const ObjCCategoriesInfo &X,
const ObjCCategoriesInfo &Y) {
return X.DefinitionID <= Y.DefinitionID;
}
friend bool operator>=(const ObjCCategoriesInfo &X,
const ObjCCategoriesInfo &Y) {
return X.DefinitionID >= Y.DefinitionID;
}
};
/// A key used when looking up entities by \ref DeclarationName.
///
/// Different \ref DeclarationNames are mapped to different keys, but the
/// same key can occasionally represent multiple names (for names that
/// contain types, in particular).
class DeclarationNameKey {
using NameKind = unsigned;
NameKind Kind = 0;
uint64_t Data = 0;
public:
DeclarationNameKey() = default;
DeclarationNameKey(DeclarationName Name);
DeclarationNameKey(NameKind Kind, uint64_t Data)
: Kind(Kind), Data(Data) {}
NameKind getKind() const { return Kind; }
IdentifierInfo *getIdentifier() const {
assert(Kind == DeclarationName::Identifier ||
Kind == DeclarationName::CXXLiteralOperatorName ||
Kind == DeclarationName::CXXDeductionGuideName);
return (IdentifierInfo *)Data;
}
Selector getSelector() const {
assert(Kind == DeclarationName::ObjCZeroArgSelector ||
Kind == DeclarationName::ObjCOneArgSelector ||
Kind == DeclarationName::ObjCMultiArgSelector);
return Selector(Data);
}
OverloadedOperatorKind getOperatorKind() const {
assert(Kind == DeclarationName::CXXOperatorName);
return (OverloadedOperatorKind)Data;
}
/// Compute a fingerprint of this key for use in on-disk hash table.
unsigned getHash() const;
friend bool operator==(const DeclarationNameKey &A,
const DeclarationNameKey &B) {
return A.Kind == B.Kind && A.Data == B.Data;
}
};
/// @}
} // namespace serialization
} // namespace clang
namespace llvm {
template <> struct DenseMapInfo<clang::serialization::DeclarationNameKey> {
static clang::serialization::DeclarationNameKey getEmptyKey() {
return clang::serialization::DeclarationNameKey(-1, 1);
}
static clang::serialization::DeclarationNameKey getTombstoneKey() {
return clang::serialization::DeclarationNameKey(-1, 2);
}
static unsigned
getHashValue(const clang::serialization::DeclarationNameKey &Key) {
return Key.getHash();
}
static bool isEqual(const clang::serialization::DeclarationNameKey &L,
const clang::serialization::DeclarationNameKey &R) {
return L == R;
}
};
} // namespace llvm
#endif // LLVM_CLANG_SERIALIZATION_ASTBITCODES_H
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