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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/clang16/include/clang/Basic/Specifiers.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
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+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===--- Specifiers.h - Declaration and Type Specifiers ---------*- 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
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Defines various enumerations that describe declaration and
+/// type specifiers.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_BASIC_SPECIFIERS_H
+#define LLVM_CLANG_BASIC_SPECIFIERS_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/ErrorHandling.h"
+
+namespace clang {
+
+ /// Define the meaning of possible values of the kind in ExplicitSpecifier.
+ enum class ExplicitSpecKind : unsigned {
+ ResolvedFalse,
+ ResolvedTrue,
+ Unresolved,
+ };
+
+ /// Define the kind of constexpr specifier.
+ enum class ConstexprSpecKind { Unspecified, Constexpr, Consteval, Constinit };
+
+ /// In an if statement, this denotes whether the statement is
+ /// a constexpr or consteval if statement.
+ enum class IfStatementKind : unsigned {
+ Ordinary,
+ Constexpr,
+ ConstevalNonNegated,
+ ConstevalNegated
+ };
+
+ /// Specifies the width of a type, e.g., short, long, or long long.
+ enum class TypeSpecifierWidth { Unspecified, Short, Long, LongLong };
+
+ /// Specifies the signedness of a type, e.g., signed or unsigned.
+ enum class TypeSpecifierSign { Unspecified, Signed, Unsigned };
+
+ enum class TypeSpecifiersPipe { Unspecified, Pipe };
+
+ /// Specifies the kind of type.
+ enum TypeSpecifierType {
+ TST_unspecified,
+ TST_void,
+ TST_char,
+ TST_wchar, // C++ wchar_t
+ TST_char8, // C++20 char8_t (proposed)
+ TST_char16, // C++11 char16_t
+ TST_char32, // C++11 char32_t
+ TST_int,
+ TST_int128,
+ TST_bitint, // Bit-precise integer types.
+ TST_half, // OpenCL half, ARM NEON __fp16
+ TST_Float16, // C11 extension ISO/IEC TS 18661-3
+ TST_Accum, // ISO/IEC JTC1 SC22 WG14 N1169 Extension
+ TST_Fract,
+ TST_BFloat16,
+ TST_float,
+ TST_double,
+ TST_float128,
+ TST_ibm128,
+ TST_bool, // _Bool
+ TST_decimal32, // _Decimal32
+ TST_decimal64, // _Decimal64
+ TST_decimal128, // _Decimal128
+ TST_enum,
+ TST_union,
+ TST_struct,
+ TST_class, // C++ class type
+ TST_interface, // C++ (Microsoft-specific) __interface type
+ TST_typename, // Typedef, C++ class-name or enum name, etc.
+ TST_typeofType, // C2x (and GNU extension) typeof(type-name)
+ TST_typeofExpr, // C2x (and GNU extension) typeof(expression)
+ TST_typeof_unqualType, // C2x typeof_unqual(type-name)
+ TST_typeof_unqualExpr, // C2x typeof_unqual(expression)
+ TST_decltype, // C++11 decltype
+#define TRANSFORM_TYPE_TRAIT_DEF(_, Trait) TST_##Trait,
+#include "clang/Basic/TransformTypeTraits.def"
+ TST_auto, // C++11 auto
+ TST_decltype_auto, // C++1y decltype(auto)
+ TST_auto_type, // __auto_type extension
+ TST_unknown_anytype, // __unknown_anytype extension
+ TST_atomic, // C11 _Atomic
+#define GENERIC_IMAGE_TYPE(ImgType, Id) TST_##ImgType##_t, // OpenCL image types
+#include "clang/Basic/OpenCLImageTypes.def"
+ TST_error // erroneous type
+ };
+
+ /// Structure that packs information about the type specifiers that
+ /// were written in a particular type specifier sequence.
+ struct WrittenBuiltinSpecs {
+ static_assert(TST_error < 1 << 7, "Type bitfield not wide enough for TST");
+ /*DeclSpec::TST*/ unsigned Type : 7;
+ /*DeclSpec::TSS*/ unsigned Sign : 2;
+ /*TypeSpecifierWidth*/ unsigned Width : 2;
+ unsigned ModeAttr : 1;
+ };
+
+ /// A C++ access specifier (public, private, protected), plus the
+ /// special value "none" which means different things in different contexts.
+ enum AccessSpecifier {
+ AS_public,
+ AS_protected,
+ AS_private,
+ AS_none
+ };
+
+ /// The categorization of expression values, currently following the
+ /// C++11 scheme.
+ enum ExprValueKind {
+ /// A pr-value expression (in the C++11 taxonomy)
+ /// produces a temporary value.
+ VK_PRValue,
+
+ /// An l-value expression is a reference to an object with
+ /// independent storage.
+ VK_LValue,
+
+ /// An x-value expression is a reference to an object with
+ /// independent storage but which can be "moved", i.e.
+ /// efficiently cannibalized for its resources.
+ VK_XValue
+ };
+
+ /// A further classification of the kind of object referenced by an
+ /// l-value or x-value.
+ enum ExprObjectKind {
+ /// An ordinary object is located at an address in memory.
+ OK_Ordinary,
+
+ /// A bitfield object is a bitfield on a C or C++ record.
+ OK_BitField,
+
+ /// A vector component is an element or range of elements on a vector.
+ OK_VectorComponent,
+
+ /// An Objective-C property is a logical field of an Objective-C
+ /// object which is read and written via Objective-C method calls.
+ OK_ObjCProperty,
+
+ /// An Objective-C array/dictionary subscripting which reads an
+ /// object or writes at the subscripted array/dictionary element via
+ /// Objective-C method calls.
+ OK_ObjCSubscript,
+
+ /// A matrix component is a single element of a matrix.
+ OK_MatrixComponent
+ };
+
+ /// The reason why a DeclRefExpr does not constitute an odr-use.
+ enum NonOdrUseReason {
+ /// This is an odr-use.
+ NOUR_None = 0,
+ /// This name appears in an unevaluated operand.
+ NOUR_Unevaluated,
+ /// This name appears as a potential result of an lvalue-to-rvalue
+ /// conversion that is a constant expression.
+ NOUR_Constant,
+ /// This name appears as a potential result of a discarded value
+ /// expression.
+ NOUR_Discarded,
+ };
+
+ /// Describes the kind of template specialization that a
+ /// particular template specialization declaration represents.
+ enum TemplateSpecializationKind {
+ /// This template specialization was formed from a template-id but
+ /// has not yet been declared, defined, or instantiated.
+ TSK_Undeclared = 0,
+ /// This template specialization was implicitly instantiated from a
+ /// template. (C++ [temp.inst]).
+ TSK_ImplicitInstantiation,
+ /// This template specialization was declared or defined by an
+ /// explicit specialization (C++ [temp.expl.spec]) or partial
+ /// specialization (C++ [temp.class.spec]).
+ TSK_ExplicitSpecialization,
+ /// This template specialization was instantiated from a template
+ /// due to an explicit instantiation declaration request
+ /// (C++11 [temp.explicit]).
+ TSK_ExplicitInstantiationDeclaration,
+ /// This template specialization was instantiated from a template
+ /// due to an explicit instantiation definition request
+ /// (C++ [temp.explicit]).
+ TSK_ExplicitInstantiationDefinition
+ };
+
+ /// Determine whether this template specialization kind refers
+ /// to an instantiation of an entity (as opposed to a non-template or
+ /// an explicit specialization).
+ inline bool isTemplateInstantiation(TemplateSpecializationKind Kind) {
+ return Kind != TSK_Undeclared && Kind != TSK_ExplicitSpecialization;
+ }
+
+ /// True if this template specialization kind is an explicit
+ /// specialization, explicit instantiation declaration, or explicit
+ /// instantiation definition.
+ inline bool isTemplateExplicitInstantiationOrSpecialization(
+ TemplateSpecializationKind Kind) {
+ switch (Kind) {
+ case TSK_ExplicitSpecialization:
+ case TSK_ExplicitInstantiationDeclaration:
+ case TSK_ExplicitInstantiationDefinition:
+ return true;
+
+ case TSK_Undeclared:
+ case TSK_ImplicitInstantiation:
+ return false;
+ }
+ llvm_unreachable("bad template specialization kind");
+ }
+
+ /// Thread storage-class-specifier.
+ enum ThreadStorageClassSpecifier {
+ TSCS_unspecified,
+ /// GNU __thread.
+ TSCS___thread,
+ /// C++11 thread_local. Implies 'static' at block scope, but not at
+ /// class scope.
+ TSCS_thread_local,
+ /// C11 _Thread_local. Must be combined with either 'static' or 'extern'
+ /// if used at block scope.
+ TSCS__Thread_local
+ };
+
+ /// Storage classes.
+ enum StorageClass {
+ // These are legal on both functions and variables.
+ SC_None,
+ SC_Extern,
+ SC_Static,
+ SC_PrivateExtern,
+
+ // These are only legal on variables.
+ SC_Auto,
+ SC_Register
+ };
+
+ /// Checks whether the given storage class is legal for functions.
+ inline bool isLegalForFunction(StorageClass SC) {
+ return SC <= SC_PrivateExtern;
+ }
+
+ /// Checks whether the given storage class is legal for variables.
+ inline bool isLegalForVariable(StorageClass SC) {
+ return true;
+ }
+
+ /// In-class initialization styles for non-static data members.
+ enum InClassInitStyle {
+ ICIS_NoInit, ///< No in-class initializer.
+ ICIS_CopyInit, ///< Copy initialization.
+ ICIS_ListInit ///< Direct list-initialization.
+ };
+
+ /// CallingConv - Specifies the calling convention that a function uses.
+ enum CallingConv {
+ CC_C, // __attribute__((cdecl))
+ CC_X86StdCall, // __attribute__((stdcall))
+ CC_X86FastCall, // __attribute__((fastcall))
+ CC_X86ThisCall, // __attribute__((thiscall))
+ CC_X86VectorCall, // __attribute__((vectorcall))
+ CC_X86Pascal, // __attribute__((pascal))
+ CC_Win64, // __attribute__((ms_abi))
+ CC_X86_64SysV, // __attribute__((sysv_abi))
+ CC_X86RegCall, // __attribute__((regcall))
+ CC_AAPCS, // __attribute__((pcs("aapcs")))
+ CC_AAPCS_VFP, // __attribute__((pcs("aapcs-vfp")))
+ CC_IntelOclBicc, // __attribute__((intel_ocl_bicc))
+ CC_SpirFunction, // default for OpenCL functions on SPIR target
+ CC_OpenCLKernel, // inferred for OpenCL kernels
+ CC_Swift, // __attribute__((swiftcall))
+ CC_SwiftAsync, // __attribute__((swiftasynccall))
+ CC_PreserveMost, // __attribute__((preserve_most))
+ CC_PreserveAll, // __attribute__((preserve_all))
+ CC_AArch64VectorCall, // __attribute__((aarch64_vector_pcs))
+ CC_AArch64SVEPCS, // __attribute__((aarch64_sve_pcs))
+ CC_AMDGPUKernelCall, // __attribute__((amdgpu_kernel))
+ };
+
+ /// Checks whether the given calling convention supports variadic
+ /// calls. Unprototyped calls also use the variadic call rules.
+ inline bool supportsVariadicCall(CallingConv CC) {
+ switch (CC) {
+ case CC_X86StdCall:
+ case CC_X86FastCall:
+ case CC_X86ThisCall:
+ case CC_X86RegCall:
+ case CC_X86Pascal:
+ case CC_X86VectorCall:
+ case CC_SpirFunction:
+ case CC_OpenCLKernel:
+ case CC_Swift:
+ case CC_SwiftAsync:
+ return false;
+ default:
+ return true;
+ }
+ }
+
+ /// The storage duration for an object (per C++ [basic.stc]).
+ enum StorageDuration {
+ SD_FullExpression, ///< Full-expression storage duration (for temporaries).
+ SD_Automatic, ///< Automatic storage duration (most local variables).
+ SD_Thread, ///< Thread storage duration.
+ SD_Static, ///< Static storage duration.
+ SD_Dynamic ///< Dynamic storage duration.
+ };
+
+ /// Describes the nullability of a particular type.
+ enum class NullabilityKind : uint8_t {
+ /// Values of this type can never be null.
+ NonNull = 0,
+ /// Values of this type can be null.
+ Nullable,
+ /// Whether values of this type can be null is (explicitly)
+ /// unspecified. This captures a (fairly rare) case where we
+ /// can't conclude anything about the nullability of the type even
+ /// though it has been considered.
+ Unspecified,
+ // Generally behaves like Nullable, except when used in a block parameter
+ // that was imported into a swift async method. There, swift will assume
+ // that the parameter can get null even if no error occurred. _Nullable
+ // parameters are assumed to only get null on error.
+ NullableResult,
+ };
+
+ /// Return true if \p L has a weaker nullability annotation than \p R. The
+ /// ordering is: Unspecified < Nullable < NonNull.
+ inline bool hasWeakerNullability(NullabilityKind L, NullabilityKind R) {
+ return uint8_t(L) > uint8_t(R);
+ }
+
+ /// Retrieve the spelling of the given nullability kind.
+ llvm::StringRef getNullabilitySpelling(NullabilityKind kind,
+ bool isContextSensitive = false);
+
+ /// Kinds of parameter ABI.
+ enum class ParameterABI {
+ /// This parameter uses ordinary ABI rules for its type.
+ Ordinary,
+
+ /// This parameter (which must have pointer type) is a Swift
+ /// indirect result parameter.
+ SwiftIndirectResult,
+
+ /// This parameter (which must have pointer-to-pointer type) uses
+ /// the special Swift error-result ABI treatment. There can be at
+ /// most one parameter on a given function that uses this treatment.
+ SwiftErrorResult,
+
+ /// This parameter (which must have pointer type) uses the special
+ /// Swift context-pointer ABI treatment. There can be at
+ /// most one parameter on a given function that uses this treatment.
+ SwiftContext,
+
+ /// This parameter (which must have pointer type) uses the special
+ /// Swift asynchronous context-pointer ABI treatment. There can be at
+ /// most one parameter on a given function that uses this treatment.
+ SwiftAsyncContext,
+ };
+
+ /// Assigned inheritance model for a class in the MS C++ ABI. Must match order
+ /// of spellings in MSInheritanceAttr.
+ enum class MSInheritanceModel {
+ Single = 0,
+ Multiple = 1,
+ Virtual = 2,
+ Unspecified = 3,
+ };
+
+ llvm::StringRef getParameterABISpelling(ParameterABI kind);
+
+ inline llvm::StringRef getAccessSpelling(AccessSpecifier AS) {
+ switch (AS) {
+ case AccessSpecifier::AS_public:
+ return "public";
+ case AccessSpecifier::AS_protected:
+ return "protected";
+ case AccessSpecifier::AS_private:
+ return "private";
+ case AccessSpecifier::AS_none:
+ return {};
+ }
+ llvm_unreachable("Unknown AccessSpecifier");
+ }
+} // end namespace clang
+
+#endif // LLVM_CLANG_BASIC_SPECIFIERS_H
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif