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llvm-mirror/include/llvm/Demangle/MicrosoftDemangleNodes.h

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C++

//===- MicrosoftDemangleNodes.h ---------------------------------*- 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 file defines the AST nodes used in the MSVC demangler.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_MICROSOFTDEMANGLENODES_H
#define LLVM_SUPPORT_MICROSOFTDEMANGLENODES_H
#include "llvm/Demangle/DemangleConfig.h"
#include "llvm/Demangle/StringView.h"
#include <array>
#include <cstdint>
#include <string>
namespace llvm {
namespace itanium_demangle {
class OutputStream;
}
}
using llvm::itanium_demangle::OutputStream;
using llvm::itanium_demangle::StringView;
namespace llvm {
namespace ms_demangle {
// Storage classes
enum Qualifiers : uint8_t {
Q_None = 0,
Q_Const = 1 << 0,
Q_Volatile = 1 << 1,
Q_Far = 1 << 2,
Q_Huge = 1 << 3,
Q_Unaligned = 1 << 4,
Q_Restrict = 1 << 5,
Q_Pointer64 = 1 << 6
};
enum class StorageClass : uint8_t {
None,
PrivateStatic,
ProtectedStatic,
PublicStatic,
Global,
FunctionLocalStatic,
};
enum class PointerAffinity { None, Pointer, Reference, RValueReference };
enum class FunctionRefQualifier { None, Reference, RValueReference };
// Calling conventions
enum class CallingConv : uint8_t {
None,
Cdecl,
Pascal,
Thiscall,
Stdcall,
Fastcall,
Clrcall,
Eabi,
Vectorcall,
Regcall,
};
enum class ReferenceKind : uint8_t { None, LValueRef, RValueRef };
enum OutputFlags {
OF_Default = 0,
OF_NoCallingConvention = 1,
OF_NoTagSpecifier = 2,
OF_NoAccessSpecifier = 4,
OF_NoMemberType = 8,
OF_NoReturnType = 16,
};
// Types
enum class PrimitiveKind {
Void,
Bool,
Char,
Schar,
Uchar,
Char8,
Char16,
Char32,
Short,
Ushort,
Int,
Uint,
Long,
Ulong,
Int64,
Uint64,
Wchar,
Float,
Double,
Ldouble,
Nullptr,
};
enum class CharKind {
Char,
Char16,
Char32,
Wchar,
};
enum class IntrinsicFunctionKind : uint8_t {
None,
New, // ?2 # operator new
Delete, // ?3 # operator delete
Assign, // ?4 # operator=
RightShift, // ?5 # operator>>
LeftShift, // ?6 # operator<<
LogicalNot, // ?7 # operator!
Equals, // ?8 # operator==
NotEquals, // ?9 # operator!=
ArraySubscript, // ?A # operator[]
Pointer, // ?C # operator->
Dereference, // ?D # operator*
Increment, // ?E # operator++
Decrement, // ?F # operator--
Minus, // ?G # operator-
Plus, // ?H # operator+
BitwiseAnd, // ?I # operator&
MemberPointer, // ?J # operator->*
Divide, // ?K # operator/
Modulus, // ?L # operator%
LessThan, // ?M operator<
LessThanEqual, // ?N operator<=
GreaterThan, // ?O operator>
GreaterThanEqual, // ?P operator>=
Comma, // ?Q operator,
Parens, // ?R operator()
BitwiseNot, // ?S operator~
BitwiseXor, // ?T operator^
BitwiseOr, // ?U operator|
LogicalAnd, // ?V operator&&
LogicalOr, // ?W operator||
TimesEqual, // ?X operator*=
PlusEqual, // ?Y operator+=
MinusEqual, // ?Z operator-=
DivEqual, // ?_0 operator/=
ModEqual, // ?_1 operator%=
RshEqual, // ?_2 operator>>=
LshEqual, // ?_3 operator<<=
BitwiseAndEqual, // ?_4 operator&=
BitwiseOrEqual, // ?_5 operator|=
BitwiseXorEqual, // ?_6 operator^=
VbaseDtor, // ?_D # vbase destructor
VecDelDtor, // ?_E # vector deleting destructor
DefaultCtorClosure, // ?_F # default constructor closure
ScalarDelDtor, // ?_G # scalar deleting destructor
VecCtorIter, // ?_H # vector constructor iterator
VecDtorIter, // ?_I # vector destructor iterator
VecVbaseCtorIter, // ?_J # vector vbase constructor iterator
VdispMap, // ?_K # virtual displacement map
EHVecCtorIter, // ?_L # eh vector constructor iterator
EHVecDtorIter, // ?_M # eh vector destructor iterator
EHVecVbaseCtorIter, // ?_N # eh vector vbase constructor iterator
CopyCtorClosure, // ?_O # copy constructor closure
LocalVftableCtorClosure, // ?_T # local vftable constructor closure
ArrayNew, // ?_U operator new[]
ArrayDelete, // ?_V operator delete[]
ManVectorCtorIter, // ?__A managed vector ctor iterator
ManVectorDtorIter, // ?__B managed vector dtor iterator
EHVectorCopyCtorIter, // ?__C EH vector copy ctor iterator
EHVectorVbaseCopyCtorIter, // ?__D EH vector vbase copy ctor iterator
VectorCopyCtorIter, // ?__G vector copy constructor iterator
VectorVbaseCopyCtorIter, // ?__H vector vbase copy constructor iterator
ManVectorVbaseCopyCtorIter, // ?__I managed vector vbase copy constructor
CoAwait, // ?__L operator co_await
Spaceship, // ?__M operator<=>
MaxIntrinsic
};
enum class SpecialIntrinsicKind {
None,
Vftable,
Vbtable,
Typeof,
VcallThunk,
LocalStaticGuard,
StringLiteralSymbol,
UdtReturning,
Unknown,
DynamicInitializer,
DynamicAtexitDestructor,
RttiTypeDescriptor,
RttiBaseClassDescriptor,
RttiBaseClassArray,
RttiClassHierarchyDescriptor,
RttiCompleteObjLocator,
LocalVftable,
LocalStaticThreadGuard,
};
// Function classes
enum FuncClass : uint16_t {
FC_None = 0,
FC_Public = 1 << 0,
FC_Protected = 1 << 1,
FC_Private = 1 << 2,
FC_Global = 1 << 3,
FC_Static = 1 << 4,
FC_Virtual = 1 << 5,
FC_Far = 1 << 6,
FC_ExternC = 1 << 7,
FC_NoParameterList = 1 << 8,
FC_VirtualThisAdjust = 1 << 9,
FC_VirtualThisAdjustEx = 1 << 10,
FC_StaticThisAdjust = 1 << 11,
};
enum class TagKind { Class, Struct, Union, Enum };
enum class NodeKind {
Unknown,
Md5Symbol,
PrimitiveType,
FunctionSignature,
Identifier,
NamedIdentifier,
VcallThunkIdentifier,
LocalStaticGuardIdentifier,
IntrinsicFunctionIdentifier,
ConversionOperatorIdentifier,
DynamicStructorIdentifier,
StructorIdentifier,
LiteralOperatorIdentifier,
ThunkSignature,
PointerType,
TagType,
ArrayType,
Custom,
IntrinsicType,
NodeArray,
QualifiedName,
TemplateParameterReference,
EncodedStringLiteral,
IntegerLiteral,
RttiBaseClassDescriptor,
LocalStaticGuardVariable,
FunctionSymbol,
VariableSymbol,
SpecialTableSymbol
};
struct Node {
explicit Node(NodeKind K) : Kind(K) {}
virtual ~Node() = default;
NodeKind kind() const { return Kind; }
virtual void output(OutputStream &OS, OutputFlags Flags) const = 0;
std::string toString(OutputFlags Flags = OF_Default) const;
private:
NodeKind Kind;
};
struct TypeNode;
struct PrimitiveTypeNode;
struct FunctionSignatureNode;
struct IdentifierNode;
struct NamedIdentifierNode;
struct VcallThunkIdentifierNode;
struct IntrinsicFunctionIdentifierNode;
struct LiteralOperatorIdentifierNode;
struct ConversionOperatorIdentifierNode;
struct StructorIdentifierNode;
struct ThunkSignatureNode;
struct PointerTypeNode;
struct ArrayTypeNode;
struct CustomNode;
struct TagTypeNode;
struct IntrinsicTypeNode;
struct NodeArrayNode;
struct QualifiedNameNode;
struct TemplateParameterReferenceNode;
struct EncodedStringLiteralNode;
struct IntegerLiteralNode;
struct RttiBaseClassDescriptorNode;
struct LocalStaticGuardVariableNode;
struct SymbolNode;
struct FunctionSymbolNode;
struct VariableSymbolNode;
struct SpecialTableSymbolNode;
struct TypeNode : public Node {
explicit TypeNode(NodeKind K) : Node(K) {}
virtual void outputPre(OutputStream &OS, OutputFlags Flags) const = 0;
virtual void outputPost(OutputStream &OS, OutputFlags Flags) const = 0;
void output(OutputStream &OS, OutputFlags Flags) const override {
outputPre(OS, Flags);
outputPost(OS, Flags);
}
Qualifiers Quals = Q_None;
};
struct PrimitiveTypeNode : public TypeNode {
explicit PrimitiveTypeNode(PrimitiveKind K)
: TypeNode(NodeKind::PrimitiveType), PrimKind(K) {}
void outputPre(OutputStream &OS, OutputFlags Flags) const;
void outputPost(OutputStream &OS, OutputFlags Flags) const {}
PrimitiveKind PrimKind;
};
struct FunctionSignatureNode : public TypeNode {
explicit FunctionSignatureNode(NodeKind K) : TypeNode(K) {}
FunctionSignatureNode() : TypeNode(NodeKind::FunctionSignature) {}
void outputPre(OutputStream &OS, OutputFlags Flags) const override;
void outputPost(OutputStream &OS, OutputFlags Flags) const override;
// Valid if this FunctionTypeNode is the Pointee of a PointerType or
// MemberPointerType.
PointerAffinity Affinity = PointerAffinity::None;
// The function's calling convention.
CallingConv CallConvention = CallingConv::None;
// Function flags (gloabl, public, etc)
FuncClass FunctionClass = FC_Global;
FunctionRefQualifier RefQualifier = FunctionRefQualifier::None;
// The return type of the function.
TypeNode *ReturnType = nullptr;
// True if this is a C-style ... varargs function.
bool IsVariadic = false;
// Function parameters
NodeArrayNode *Params = nullptr;
// True if the function type is noexcept.
bool IsNoexcept = false;
};
struct IdentifierNode : public Node {
explicit IdentifierNode(NodeKind K) : Node(K) {}
NodeArrayNode *TemplateParams = nullptr;
protected:
void outputTemplateParameters(OutputStream &OS, OutputFlags Flags) const;
};
struct VcallThunkIdentifierNode : public IdentifierNode {
VcallThunkIdentifierNode() : IdentifierNode(NodeKind::VcallThunkIdentifier) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
uint64_t OffsetInVTable = 0;
};
struct DynamicStructorIdentifierNode : public IdentifierNode {
DynamicStructorIdentifierNode()
: IdentifierNode(NodeKind::DynamicStructorIdentifier) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
VariableSymbolNode *Variable = nullptr;
QualifiedNameNode *Name = nullptr;
bool IsDestructor = false;
};
struct NamedIdentifierNode : public IdentifierNode {
NamedIdentifierNode() : IdentifierNode(NodeKind::NamedIdentifier) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
StringView Name;
};
struct IntrinsicFunctionIdentifierNode : public IdentifierNode {
explicit IntrinsicFunctionIdentifierNode(IntrinsicFunctionKind Operator)
: IdentifierNode(NodeKind::IntrinsicFunctionIdentifier),
Operator(Operator) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
IntrinsicFunctionKind Operator;
};
struct LiteralOperatorIdentifierNode : public IdentifierNode {
LiteralOperatorIdentifierNode()
: IdentifierNode(NodeKind::LiteralOperatorIdentifier) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
StringView Name;
};
struct LocalStaticGuardIdentifierNode : public IdentifierNode {
LocalStaticGuardIdentifierNode()
: IdentifierNode(NodeKind::LocalStaticGuardIdentifier) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
bool IsThread = false;
uint32_t ScopeIndex = 0;
};
struct ConversionOperatorIdentifierNode : public IdentifierNode {
ConversionOperatorIdentifierNode()
: IdentifierNode(NodeKind::ConversionOperatorIdentifier) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
// The type that this operator converts too.
TypeNode *TargetType = nullptr;
};
struct StructorIdentifierNode : public IdentifierNode {
StructorIdentifierNode() : IdentifierNode(NodeKind::StructorIdentifier) {}
explicit StructorIdentifierNode(bool IsDestructor)
: IdentifierNode(NodeKind::StructorIdentifier),
IsDestructor(IsDestructor) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
// The name of the class that this is a structor of.
IdentifierNode *Class = nullptr;
bool IsDestructor = false;
};
struct ThunkSignatureNode : public FunctionSignatureNode {
ThunkSignatureNode() : FunctionSignatureNode(NodeKind::ThunkSignature) {}
void outputPre(OutputStream &OS, OutputFlags Flags) const override;
void outputPost(OutputStream &OS, OutputFlags Flags) const override;
struct ThisAdjustor {
uint32_t StaticOffset = 0;
int32_t VBPtrOffset = 0;
int32_t VBOffsetOffset = 0;
int32_t VtordispOffset = 0;
};
ThisAdjustor ThisAdjust;
};
struct PointerTypeNode : public TypeNode {
PointerTypeNode() : TypeNode(NodeKind::PointerType) {}
void outputPre(OutputStream &OS, OutputFlags Flags) const override;
void outputPost(OutputStream &OS, OutputFlags Flags) const override;
// Is this a pointer, reference, or rvalue-reference?
PointerAffinity Affinity = PointerAffinity::None;
// If this is a member pointer, this is the class that the member is in.
QualifiedNameNode *ClassParent = nullptr;
// Represents a type X in "a pointer to X", "a reference to X", or
// "rvalue-reference to X"
TypeNode *Pointee = nullptr;
};
struct TagTypeNode : public TypeNode {
explicit TagTypeNode(TagKind Tag) : TypeNode(NodeKind::TagType), Tag(Tag) {}
void outputPre(OutputStream &OS, OutputFlags Flags) const;
void outputPost(OutputStream &OS, OutputFlags Flags) const;
QualifiedNameNode *QualifiedName = nullptr;
TagKind Tag;
};
struct ArrayTypeNode : public TypeNode {
ArrayTypeNode() : TypeNode(NodeKind::ArrayType) {}
void outputPre(OutputStream &OS, OutputFlags Flags) const;
void outputPost(OutputStream &OS, OutputFlags Flags) const;
void outputDimensionsImpl(OutputStream &OS, OutputFlags Flags) const;
void outputOneDimension(OutputStream &OS, OutputFlags Flags, Node *N) const;
// A list of array dimensions. e.g. [3,4,5] in `int Foo[3][4][5]`
NodeArrayNode *Dimensions = nullptr;
// The type of array element.
TypeNode *ElementType = nullptr;
};
struct IntrinsicNode : public TypeNode {
IntrinsicNode() : TypeNode(NodeKind::IntrinsicType) {}
void output(OutputStream &OS, OutputFlags Flags) const override {}
};
struct CustomTypeNode : public TypeNode {
CustomTypeNode() : TypeNode(NodeKind::Custom) {}
void outputPre(OutputStream &OS, OutputFlags Flags) const override;
void outputPost(OutputStream &OS, OutputFlags Flags) const override;
IdentifierNode *Identifier = nullptr;
};
struct NodeArrayNode : public Node {
NodeArrayNode() : Node(NodeKind::NodeArray) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
void output(OutputStream &OS, OutputFlags Flags, StringView Separator) const;
Node **Nodes = nullptr;
size_t Count = 0;
};
struct QualifiedNameNode : public Node {
QualifiedNameNode() : Node(NodeKind::QualifiedName) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
NodeArrayNode *Components = nullptr;
IdentifierNode *getUnqualifiedIdentifier() {
Node *LastComponent = Components->Nodes[Components->Count - 1];
return static_cast<IdentifierNode *>(LastComponent);
}
};
struct TemplateParameterReferenceNode : public Node {
TemplateParameterReferenceNode()
: Node(NodeKind::TemplateParameterReference) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
SymbolNode *Symbol = nullptr;
int ThunkOffsetCount = 0;
std::array<int64_t, 3> ThunkOffsets;
PointerAffinity Affinity = PointerAffinity::None;
bool IsMemberPointer = false;
};
struct IntegerLiteralNode : public Node {
IntegerLiteralNode() : Node(NodeKind::IntegerLiteral) {}
IntegerLiteralNode(uint64_t Value, bool IsNegative)
: Node(NodeKind::IntegerLiteral), Value(Value), IsNegative(IsNegative) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
uint64_t Value = 0;
bool IsNegative = false;
};
struct RttiBaseClassDescriptorNode : public IdentifierNode {
RttiBaseClassDescriptorNode()
: IdentifierNode(NodeKind::RttiBaseClassDescriptor) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
uint32_t NVOffset = 0;
int32_t VBPtrOffset = 0;
uint32_t VBTableOffset = 0;
uint32_t Flags = 0;
};
struct SymbolNode : public Node {
explicit SymbolNode(NodeKind K) : Node(K) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
QualifiedNameNode *Name = nullptr;
};
struct SpecialTableSymbolNode : public SymbolNode {
explicit SpecialTableSymbolNode()
: SymbolNode(NodeKind::SpecialTableSymbol) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
QualifiedNameNode *TargetName = nullptr;
Qualifiers Quals = Qualifiers::Q_None;
};
struct LocalStaticGuardVariableNode : public SymbolNode {
LocalStaticGuardVariableNode()
: SymbolNode(NodeKind::LocalStaticGuardVariable) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
bool IsVisible = false;
};
struct EncodedStringLiteralNode : public SymbolNode {
EncodedStringLiteralNode() : SymbolNode(NodeKind::EncodedStringLiteral) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
StringView DecodedString;
bool IsTruncated = false;
CharKind Char = CharKind::Char;
};
struct VariableSymbolNode : public SymbolNode {
VariableSymbolNode() : SymbolNode(NodeKind::VariableSymbol) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
StorageClass SC = StorageClass::None;
TypeNode *Type = nullptr;
};
struct FunctionSymbolNode : public SymbolNode {
FunctionSymbolNode() : SymbolNode(NodeKind::FunctionSymbol) {}
void output(OutputStream &OS, OutputFlags Flags) const override;
FunctionSignatureNode *Signature = nullptr;
};
} // namespace ms_demangle
} // namespace llvm
#endif