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Diffstat (limited to 'include/clang/Serialization/ASTBitCodes.h')
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1 files changed, 917 insertions, 0 deletions
diff --git a/include/clang/Serialization/ASTBitCodes.h b/include/clang/Serialization/ASTBitCodes.h new file mode 100644 index 000000000000..0fa446dd34de --- /dev/null +++ b/include/clang/Serialization/ASTBitCodes.h @@ -0,0 +1,917 @@ +//===- 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/Bitcode/BitCodes.h" +#include "llvm/System/DataTypes.h" +#include "llvm/ADT/DenseMap.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 = 4; + + /// \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 a declaration in an AST file. + /// + /// The ID numbers of declarations are consecutive (in order of + /// discovery) and start at 2. 0 is reserved for NULL, and 1 is + /// reserved for the translation unit declaration. + typedef uint32_t DeclID; + + /// \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 { + return (Idx << Qualifiers::FastWidth) | FastQuals; + } + static TypeIdx fromTypeID(TypeID ID) { + 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 Map that provides the ID numbers of each type within the + /// output stream, plus those deserialized from a chained PCH. + /// + /// The ID numbers of types are consecutive (in order of discovery) + /// and start at 1. 0 is reserved for NULL. When types are actually + /// stored in the stream, the ID number is shifted by 2 bits to + /// allow for the const/volatile qualifiers. + /// + /// Keys in the map never have const/volatile qualifiers. + typedef llvm::DenseMap<QualType, TypeIdx, UnsafeQualTypeDenseMapInfo> + TypeIdxMap; + + /// \brief An ID number that refers to an identifier in an AST + /// file. + typedef uint32_t IdentID; + + typedef uint32_t SelectorID; + + /// \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 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 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 AST file metadata, including the AST file version number + /// and the target triple used to build the AST file. + METADATA = 4, + + /// \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 = 5, + + /// \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 = 6, + + /// \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 = 7, + + /// \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 = 8, + + /// \brief Record code for the extra statistics we gather while + /// generating an AST file. + STATISTICS = 9, + + /// \brief Record code for the array of tentative definitions. + TENTATIVE_DEFINITIONS = 10, + + /// \brief Record code for the array of locally-scoped external + /// declarations. + LOCALLY_SCOPED_EXTERNAL_DECLS = 11, + + /// \brief Record code for the table of offsets into the + /// Objective-C method pool. + SELECTOR_OFFSETS = 12, + + /// \brief Record code for the Objective-C method pool, + METHOD_POOL = 13, + + /// \brief The value of the next __COUNTER__ to dispense. + /// [PP_COUNTER_VALUE, Val] + PP_COUNTER_VALUE = 14, + + /// \brief Record code for the table of offsets into the block + /// of source-location information. + SOURCE_LOCATION_OFFSETS = 15, + + /// \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 = 16, + + /// \brief Record code for the stat() cache. + STAT_CACHE = 17, + + /// \brief Record code for the set of ext_vector type names. + EXT_VECTOR_DECLS = 18, + + /// \brief Record code for the original file that was used to + /// generate the AST file. + ORIGINAL_FILE_NAME = 19, + + /// Record #20 intentionally left blank. + + /// \brief Record code for the version control branch and revision + /// information of the compiler used to build this AST file. + VERSION_CONTROL_BRANCH_REVISION = 21, + + /// \brief Record code for the array of unused file scoped decls. + UNUSED_FILESCOPED_DECLS = 22, + + /// \brief Record code for the table of offsets to macro definition + /// entries in the preprocessing record. + MACRO_DEFINITION_OFFSETS = 23, + + /// \brief Record code for the array of VTable uses. + VTABLE_USES = 24, + + /// \brief Record code for the array of dynamic classes. + DYNAMIC_CLASSES = 25, + + /// \brief Record code for the chained AST metadata, including the + /// AST file version and the name of the PCH this depends on. + CHAINED_METADATA = 26, + + /// \brief Record code for referenced selector pool. + REFERENCED_SELECTOR_POOL = 27, + + /// \brief Record code for an update to the TU's lexically contained + /// declarations. + TU_UPDATE_LEXICAL = 28, + + /// \brief Record code for an update to first decls pointing to the + /// latest redeclarations. + REDECLS_UPDATE_LATEST = 29, + + /// \brief Record code for declarations that Sema keeps references of. + SEMA_DECL_REFS = 30, + + /// \brief Record code for weak undeclared identifiers. + WEAK_UNDECLARED_IDENTIFIERS = 31, + + /// \brief Record code for pending implicit instantiations. + PENDING_IMPLICIT_INSTANTIATIONS = 32, + + /// \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 = 33, + + /// \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 = 34, + + /// \brief Record code for template specializations introduced after + /// serializations of the original template decl. + ADDITIONAL_TEMPLATE_SPECIALIZATIONS = 35 + }; + + /// \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. + SM_SLOC_BUFFER_BLOB = 3, + /// \brief Describes a source location entry (SLocEntry) for a + /// macro instantiation. + SM_SLOC_INSTANTIATION_ENTRY = 4, + /// \brief Describes the SourceManager's line table, with + /// information about #line directives. + SM_LINE_TABLE = 5 + }; + + /// \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 Describes a macro instantiation within the preprocessing + /// record. + PP_MACRO_INSTANTIATION = 4, + + /// \brief Describes a macro definition within the preprocessing record. + PP_MACRO_DEFINITION = 5 + }; + + /// \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 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 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 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 __builtin_va_list + SPECIAL_TYPE_BUILTIN_VA_LIST = 0, + /// \brief Objective-C "id" type + SPECIAL_TYPE_OBJC_ID = 1, + /// \brief Objective-C selector type + SPECIAL_TYPE_OBJC_SELECTOR = 2, + /// \brief Objective-C Protocol type + SPECIAL_TYPE_OBJC_PROTOCOL = 3, + /// \brief Objective-C Class type + SPECIAL_TYPE_OBJC_CLASS = 4, + /// \brief CFConstantString type + SPECIAL_TYPE_CF_CONSTANT_STRING = 5, + /// \brief Objective-C fast enumeration state type + SPECIAL_TYPE_OBJC_FAST_ENUMERATION_STATE = 6, + /// \brief C FILE typedef type + SPECIAL_TYPE_FILE = 7, + /// \brief C jmp_buf typedef type + SPECIAL_TYPE_jmp_buf = 8, + /// \brief C sigjmp_buf typedef type + SPECIAL_TYPE_sigjmp_buf = 9, + /// \brief Objective-C "id" redefinition type + SPECIAL_TYPE_OBJC_ID_REDEFINITION = 10, + /// \brief Objective-C "Class" redefinition type + SPECIAL_TYPE_OBJC_CLASS_REDEFINITION = 11, + /// \brief Block descriptor type for Blocks CodeGen + SPECIAL_TYPE_BLOCK_DESCRIPTOR = 12, + /// \brief Block extedned descriptor type for Blocks CodeGen + SPECIAL_TYPE_BLOCK_EXTENDED_DESCRIPTOR = 13, + /// \brief Objective-C "SEL" redefinition type + SPECIAL_TYPE_OBJC_SEL_REDEFINITION = 14, + /// \brief NSConstantString type + SPECIAL_TYPE_NS_CONSTANT_STRING = 15, + /// \brief Whether __[u]int128_t identifier is installed. + SPECIAL_TYPE_INT128_INSTALLED = 16 + }; + + /// \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 Attributes attached to a declaration. + DECL_ATTR = 50, + /// \brief A TranslationUnitDecl record. + DECL_TRANSLATION_UNIT, + /// \brief A TypedefDecl record. + DECL_TYPEDEF, + /// \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 ObjCClassDecl record. + DECL_OBJC_CLASS, + /// \brief A ObjCForwardProtocolDecl record. + DECL_OBJC_FORWARD_PROTOCOL, + /// \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. + /// + /// 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()/DeclContext::decls_end(). + DECL_CONTEXT_LEXICAL, + /// \brief 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, + /// \brief A NamespaceDecl rcord. + DECL_NAMESPACE, + /// \brief A NamespaceAliasDecl record. + DECL_NAMESPACE_ALIAS, + /// \brief A UsingDecl record. + DECL_USING, + /// \brief A UsingShadowDecl record. + DECL_USING_SHADOW, + /// \brief A UsingDirecitveDecl record. + DECL_USING_DIRECTIVE, + /// \brief An UnresolvedUsingValueDecl record. + DECL_UNRESOLVED_USING_VALUE, + /// \brief An UnresolvedUsingTypenameDecl record. + DECL_UNRESOLVED_USING_TYPENAME, + /// \brief A LinkageSpecDecl record. + DECL_LINKAGE_SPEC, + /// \brief A CXXRecordDecl record. + DECL_CXX_RECORD, + /// \brief A CXXMethodDecl record. + DECL_CXX_METHOD, + /// \brief A CXXConstructorDecl record. + DECL_CXX_CONSTRUCTOR, + /// \brief A CXXDestructorDecl record. + DECL_CXX_DESTRUCTOR, + /// \brief A CXXConversionDecl record. + DECL_CXX_CONVERSION, + /// \brief An AccessSpecDecl record. + DECL_ACCESS_SPEC, + + /// \brief A FriendDecl record. + DECL_FRIEND, + /// \brief A FriendTemplateDecl record. + DECL_FRIEND_TEMPLATE, + /// \brief A ClassTemplateDecl record. + DECL_CLASS_TEMPLATE, + /// \brief A ClassTemplateSpecializationDecl record. + DECL_CLASS_TEMPLATE_SPECIALIZATION, + /// \brief A ClassTemplatePartialSpecializationDecl record. + DECL_CLASS_TEMPLATE_PARTIAL_SPECIALIZATION, + /// \brief A FunctionTemplateDecl record. + DECL_FUNCTION_TEMPLATE, + /// \brief A TemplateTypeParmDecl record. + DECL_TEMPLATE_TYPE_PARM, + /// \brief A NonTypeTemplateParmDecl record. + DECL_NON_TYPE_TEMPLATE_PARM, + /// \brief A TemplateTemplateParmDecl record. + DECL_TEMPLATE_TEMPLATE_PARM, + /// \brief A StaticAssertDecl record. + DECL_STATIC_ASSERT + }; + + /// \brief 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 100. Each constant + /// describes a record for a specific statement or expression class in the + /// AST. + enum StmtCode { + /// \brief A marker record that indicates that we are at the end + /// of an expression. + STMT_STOP = 100, + /// \brief A NULL expression. + STMT_NULL_PTR, + /// \brief A NullStmt record. + STMT_NULL, + /// \brief A CompoundStmt record. + STMT_COMPOUND, + /// \brief A CaseStmt record. + STMT_CASE, + /// \brief A DefaultStmt record. + STMT_DEFAULT, + /// \brief A LabelStmt record. + STMT_LABEL, + /// \brief An IfStmt record. + STMT_IF, + /// \brief A SwitchStmt record. + STMT_SWITCH, + /// \brief A WhileStmt record. + STMT_WHILE, + /// \brief A DoStmt record. + STMT_DO, + /// \brief A ForStmt record. + STMT_FOR, + /// \brief A GotoStmt record. + STMT_GOTO, + /// \brief An IndirectGotoStmt record. + STMT_INDIRECT_GOTO, + /// \brief A ContinueStmt record. + STMT_CONTINUE, + /// \brief A BreakStmt record. + STMT_BREAK, + /// \brief A ReturnStmt record. + STMT_RETURN, + /// \brief A DeclStmt record. + STMT_DECL, + /// \brief An AsmStmt record. + STMT_ASM, + /// \brief A PredefinedExpr record. + EXPR_PREDEFINED, + /// \brief A DeclRefExpr record. + EXPR_DECL_REF, + /// \brief An IntegerLiteral record. + EXPR_INTEGER_LITERAL, + /// \brief A FloatingLiteral record. + EXPR_FLOATING_LITERAL, + /// \brief An ImaginaryLiteral record. + EXPR_IMAGINARY_LITERAL, + /// \brief A StringLiteral record. + EXPR_STRING_LITERAL, + /// \brief A CharacterLiteral record. + EXPR_CHARACTER_LITERAL, + /// \brief A ParenExpr record. + EXPR_PAREN, + /// \brief A ParenListExpr record. + EXPR_PAREN_LIST, + /// \brief A UnaryOperator record. + EXPR_UNARY_OPERATOR, + /// \brief An OffsetOfExpr record. + EXPR_OFFSETOF, + /// \brief A SizefAlignOfExpr record. + EXPR_SIZEOF_ALIGN_OF, + /// \brief An ArraySubscriptExpr record. + EXPR_ARRAY_SUBSCRIPT, + /// \brief A CallExpr record. + EXPR_CALL, + /// \brief A MemberExpr record. + EXPR_MEMBER, + /// \brief A BinaryOperator record. + EXPR_BINARY_OPERATOR, + /// \brief A CompoundAssignOperator record. + EXPR_COMPOUND_ASSIGN_OPERATOR, + /// \brief A ConditionOperator record. + EXPR_CONDITIONAL_OPERATOR, + /// \brief An ImplicitCastExpr record. + EXPR_IMPLICIT_CAST, + /// \brief A CStyleCastExpr record. + EXPR_CSTYLE_CAST, + /// \brief A CompoundLiteralExpr record. + EXPR_COMPOUND_LITERAL, + /// \brief An ExtVectorElementExpr record. + EXPR_EXT_VECTOR_ELEMENT, + /// \brief An InitListExpr record. + EXPR_INIT_LIST, + /// \brief A DesignatedInitExpr record. + EXPR_DESIGNATED_INIT, + /// \brief An ImplicitValueInitExpr record. + EXPR_IMPLICIT_VALUE_INIT, + /// \brief A VAArgExpr record. + EXPR_VA_ARG, + /// \brief An AddrLabelExpr record. + EXPR_ADDR_LABEL, + /// \brief A StmtExpr record. + EXPR_STMT, + /// \brief A TypesCompatibleExpr record. + EXPR_TYPES_COMPATIBLE, + /// \brief A ChooseExpr record. + EXPR_CHOOSE, + /// \brief A GNUNullExpr record. + EXPR_GNU_NULL, + /// \brief A ShuffleVectorExpr record. + EXPR_SHUFFLE_VECTOR, + /// \brief BlockExpr + EXPR_BLOCK, + /// \brief A BlockDeclRef record. + EXPR_BLOCK_DECL_REF, + + // Objective-C + + /// \brief An ObjCStringLiteral record. + EXPR_OBJC_STRING_LITERAL, + /// \brief An ObjCEncodeExpr record. + EXPR_OBJC_ENCODE, + /// \brief An ObjCSelectorExpr record. + EXPR_OBJC_SELECTOR_EXPR, + /// \brief An ObjCProtocolExpr record. + EXPR_OBJC_PROTOCOL_EXPR, + /// \brief An ObjCIvarRefExpr record. + EXPR_OBJC_IVAR_REF_EXPR, + /// \brief An ObjCPropertyRefExpr record. + EXPR_OBJC_PROPERTY_REF_EXPR, + /// \brief An ObjCImplicitSetterGetterRefExpr record. + EXPR_OBJC_KVC_REF_EXPR, + /// \brief An ObjCMessageExpr record. + EXPR_OBJC_MESSAGE_EXPR, + /// \brief An ObjCSuperExpr record. + EXPR_OBJC_SUPER_EXPR, + /// \brief An ObjCIsa Expr record. + EXPR_OBJC_ISA, + + /// \brief An ObjCForCollectionStmt record. + STMT_OBJC_FOR_COLLECTION, + /// \brief An ObjCAtCatchStmt record. + STMT_OBJC_CATCH, + /// \brief An ObjCAtFinallyStmt record. + STMT_OBJC_FINALLY, + /// \brief An ObjCAtTryStmt record. + STMT_OBJC_AT_TRY, + /// \brief An ObjCAtSynchronizedStmt record. + STMT_OBJC_AT_SYNCHRONIZED, + /// \brief An ObjCAtThrowStmt record. + STMT_OBJC_AT_THROW, + + // C++ + + /// \brief A CXXCatchStmt record. + STMT_CXX_CATCH, + /// \brief A CXXTryStmt record. + STMT_CXX_TRY, + + /// \brief A CXXOperatorCallExpr record. + EXPR_CXX_OPERATOR_CALL, + /// \brief A CXXMemberCallExpr record. + EXPR_CXX_MEMBER_CALL, + /// \brief A CXXConstructExpr record. + EXPR_CXX_CONSTRUCT, + /// \brief A CXXTemporaryObjectExpr record. + EXPR_CXX_TEMPORARY_OBJECT, + /// \brief A CXXStaticCastExpr record. + EXPR_CXX_STATIC_CAST, + /// \brief A CXXDynamicCastExpr record. + EXPR_CXX_DYNAMIC_CAST, + /// \brief A CXXReinterpretCastExpr record. + EXPR_CXX_REINTERPRET_CAST, + /// \brief A CXXConstCastExpr record. + EXPR_CXX_CONST_CAST, + /// \brief A CXXFunctionalCastExpr record. + EXPR_CXX_FUNCTIONAL_CAST, + /// \brief 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_BIND_TEMPORARY, // CXXBindTemporaryExpr + + EXPR_CXX_SCALAR_VALUE_INIT, // CXXScalarValueInitExpr + EXPR_CXX_NEW, // CXXNewExpr + EXPR_CXX_DELETE, // CXXDeleteExpr + EXPR_CXX_PSEUDO_DESTRUCTOR, // CXXPseudoDestructorExpr + + EXPR_CXX_EXPR_WITH_TEMPORARIES, // CXXExprWithTemporaries + + 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_UNARY_TYPE_TRAIT // UnaryTypeTraitExpr + }; + + /// \brief The kinds of designators that can occur in a + /// DesignatedInitExpr. + enum DesignatorTypes { + /// \brief Field designator where only the field name is known. + DESIG_FIELD_NAME = 0, + /// \brief Field designator where the field has been resolved to + /// a declaration. + DESIG_FIELD_DECL = 1, + /// \brief Array designator. + DESIG_ARRAY = 2, + /// \brief GNU array range designator. + DESIG_ARRAY_RANGE = 3 + }; + + /// @} + } +} // end namespace clang + +#endif |