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//===- IndexSymbol.h - Types and functions for indexing symbols -*- 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
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_INDEX_INDEXSYMBOL_H
#define LLVM_CLANG_INDEX_INDEXSYMBOL_H
#include "clang/Basic/LLVM.h"
#include "clang/Lex/MacroInfo.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/DataTypes.h"
namespace clang {
class Decl;
class LangOptions;
namespace index {
enum class SymbolKind : uint8_t {
Unknown,
Module,
Namespace,
NamespaceAlias,
Macro,
Enum,
Struct,
Class,
Protocol,
Extension,
Union,
TypeAlias,
Function,
Variable,
Field,
EnumConstant,
InstanceMethod,
ClassMethod,
StaticMethod,
InstanceProperty,
ClassProperty,
StaticProperty,
Constructor,
Destructor,
ConversionFunction,
Parameter,
Using,
TemplateTypeParm,
TemplateTemplateParm,
NonTypeTemplateParm,
};
enum class SymbolLanguage : uint8_t {
C,
ObjC,
CXX,
Swift,
};
/// Language specific sub-kinds.
enum class SymbolSubKind : uint8_t {
None,
CXXCopyConstructor,
CXXMoveConstructor,
AccessorGetter,
AccessorSetter,
UsingTypename,
UsingValue,
};
typedef uint16_t SymbolPropertySet;
/// Set of properties that provide additional info about a symbol.
enum class SymbolProperty : SymbolPropertySet {
Generic = 1 << 0,
TemplatePartialSpecialization = 1 << 1,
TemplateSpecialization = 1 << 2,
UnitTest = 1 << 3,
IBAnnotated = 1 << 4,
IBOutletCollection = 1 << 5,
GKInspectable = 1 << 6,
Local = 1 << 7,
/// Symbol is part of a protocol interface.
ProtocolInterface = 1 << 8,
};
static const unsigned SymbolPropertyBitNum = 9;
/// Set of roles that are attributed to symbol occurrences.
///
/// Low 9 bits of clang-c/include/Index.h CXSymbolRole mirrors this enum.
enum class SymbolRole : uint32_t {
Declaration = 1 << 0,
Definition = 1 << 1,
Reference = 1 << 2,
Read = 1 << 3,
Write = 1 << 4,
Call = 1 << 5,
Dynamic = 1 << 6,
AddressOf = 1 << 7,
Implicit = 1 << 8,
// FIXME: this is not mirrored in CXSymbolRole.
// Note that macro occurrences aren't currently supported in libclang.
Undefinition = 1 << 9, // macro #undef
// Relation roles.
RelationChildOf = 1 << 10,
RelationBaseOf = 1 << 11,
RelationOverrideOf = 1 << 12,
RelationReceivedBy = 1 << 13,
RelationCalledBy = 1 << 14,
RelationExtendedBy = 1 << 15,
RelationAccessorOf = 1 << 16,
RelationContainedBy = 1 << 17,
RelationIBTypeOf = 1 << 18,
RelationSpecializationOf = 1 << 19,
// Symbol only references the name of the object as written. For example, a
// constructor references the class declaration using that role.
NameReference = 1 << 20,
};
static const unsigned SymbolRoleBitNum = 21;
typedef unsigned SymbolRoleSet;
/// Represents a relation to another symbol for a symbol occurrence.
struct SymbolRelation {
SymbolRoleSet Roles;
const Decl *RelatedSymbol;
SymbolRelation(SymbolRoleSet Roles, const Decl *Sym)
: Roles(Roles), RelatedSymbol(Sym) {}
};
struct SymbolInfo {
SymbolKind Kind;
SymbolSubKind SubKind;
SymbolLanguage Lang;
SymbolPropertySet Properties;
};
SymbolInfo getSymbolInfo(const Decl *D);
SymbolInfo getSymbolInfoForMacro(const MacroInfo &MI);
bool isFunctionLocalSymbol(const Decl *D);
void applyForEachSymbolRole(SymbolRoleSet Roles,
llvm::function_ref<void(SymbolRole)> Fn);
bool applyForEachSymbolRoleInterruptible(SymbolRoleSet Roles,
llvm::function_ref<bool(SymbolRole)> Fn);
void printSymbolRoles(SymbolRoleSet Roles, raw_ostream &OS);
/// \returns true if no name was printed, false otherwise.
bool printSymbolName(const Decl *D, const LangOptions &LO, raw_ostream &OS);
StringRef getSymbolKindString(SymbolKind K);
StringRef getSymbolSubKindString(SymbolSubKind K);
StringRef getSymbolLanguageString(SymbolLanguage K);
void applyForEachSymbolProperty(SymbolPropertySet Props,
llvm::function_ref<void(SymbolProperty)> Fn);
void printSymbolProperties(SymbolPropertySet Props, raw_ostream &OS);
} // namespace index
} // namespace clang
#endif
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