LLVM: lib/Demangle/MicrosoftDemangle.cpp File Reference

LLVM 8.0.1

#include "llvm/Demangle/MicrosoftDemangle.h"
#include "llvm/Demangle/Demangle.h"
#include "llvm/Demangle/MicrosoftDemangleNodes.h"
#include "llvm/Demangle/Compiler.h"
#include "llvm/Demangle/StringView.h"
#include "llvm/Demangle/Utility.h"
#include <array>
#include <cctype>
#include <cstdio>
#include <tuple>

Include dependency graph for MicrosoftDemangle.cpp:

Go to the source code of this file.

Classes
struct	NodeList

Functions
static bool	startsWithDigit (StringView S)

static bool	isMemberPointer (StringView MangledName, bool &Error)

static SpecialIntrinsicKind	consumeSpecialIntrinsicKind (StringView &MangledName)

static bool	startsWithLocalScopePattern (StringView S)

static bool	isTagType (StringView S)

static bool	isCustomType (StringView S)

static bool	isPointerType (StringView S)

static bool	isArrayType (StringView S)

static bool	isFunctionType (StringView S)

static FunctionRefQualifier	demangleFunctionRefQualifier (StringView &MangledName)

static std::pair< Qualifiers, PointerAffinity >	demanglePointerCVQualifiers (StringView &MangledName)

static NamedIdentifierNode *	synthesizeNamedIdentifier (ArenaAllocator &Arena, StringView Name)

static QualifiedNameNode *	synthesizeQualifiedName (ArenaAllocator &Arena, IdentifierNode *Identifier)

static QualifiedNameNode *	synthesizeQualifiedName (ArenaAllocator &Arena, StringView Name)

static VariableSymbolNode *	synthesizeVariable (ArenaAllocator &Arena, TypeNode *Type, StringView VariableName)

static IntrinsicFunctionKind	translateIntrinsicFunctionCode (char CH, FunctionIdentifierCodeGroup Group)

static bool	isRebasedHexDigit (char C)

static uint8_t	rebasedHexDigitToNumber (char C)

static void	writeHexDigit (char *Buffer, uint8_t Digit)

static void	outputHex (OutputStream &OS, unsigned C)

static void	outputEscapedChar (OutputStream &OS, unsigned C)

static unsigned	countTrailingNullBytes (const uint8_t *StringBytes, int Length)

static unsigned	countEmbeddedNulls (const uint8_t *StringBytes, unsigned Length)

static unsigned	guessCharByteSize (const uint8_t *StringBytes, unsigned NumChars, unsigned NumBytes)

static unsigned	decodeMultiByteChar (const uint8_t *StringBytes, unsigned CharIndex, unsigned CharBytes)

static NodeArrayNode *	nodeListToNodeArray (ArenaAllocator &Arena, NodeList *Head, size_t Count)

Function Documentation

◆ consumeSpecialIntrinsicKind()

static SpecialIntrinsicKind consumeSpecialIntrinsicKind ( StringView & MangledName )

static

◆ countEmbeddedNulls()

static unsigned countEmbeddedNulls	(	const uint8_t *	StringBytes,
		unsigned	Length
	)

static

Definition at line 1093 of file MicrosoftDemangle.cpp.

References I, and llvm::ms_demangle::Result.

Referenced by guessCharByteSize().

◆ countTrailingNullBytes()

static unsigned countTrailingNullBytes	(	const uint8_t *	StringBytes,
		int	Length
	)

static

Definition at line 1082 of file MicrosoftDemangle.cpp.

Referenced by guessCharByteSize().

◆ decodeMultiByteChar()

static unsigned decodeMultiByteChar	(	const uint8_t *	StringBytes,
		unsigned	CharIndex,
		unsigned	CharBytes
	)

static

Definition at line 1137 of file MicrosoftDemangle.cpp.

References llvm::ms_demangle::ArenaAllocator::alloc(), assert(), C, llvm::ms_demangle::FunctionSignatureNode::CallConvention, llvm::ms_demangle::Char, llvm::ms_demangle::EncodedStringLiteralNode::Char, llvm::ms_demangle::Char16, llvm::ms_demangle::Char32, StringView::consumeFront(), llvm::ms_demangle::EncodedStringLiteralNode::DecodedString, StringView::dropFront(), StringView::empty(), llvm::ms_demangle::FC_NoParameterList, StringView::find(), llvm::ms_demangle::FunctionSignatureNode::FunctionClass, OutputStream::getBuffer(), guessCharByteSize(), I, initializeOutputStream(), llvm::ms_demangle::EncodedStringLiteralNode::IsTruncated, LLVM_FALLTHROUGH, llvm::ms_demangle::NamedIdentifierNode::Name, llvm::ms_demangle::SymbolNode::Name, StringView::npos, outputEscapedChar(), StringView::popFront(), llvm::ms_demangle::Result, llvm::ms_demangle::FunctionSymbolNode::Signature, StringView::size(), StringView::startsWith(), StringView::substr(), llvm::RISCVFenceField::W, and llvm::ms_demangle::Wchar.

◆ demangleFunctionRefQualifier()

static FunctionRefQualifier demangleFunctionRefQualifier ( StringView & MangledName )

static

Definition at line 212 of file MicrosoftDemangle.cpp.

References StringView::consumeFront(), llvm::ms_demangle::None, llvm::ms_demangle::Reference, and llvm::ms_demangle::RValueReference.

Referenced by nodeListToNodeArray().

◆ demanglePointerCVQualifiers()

static std::pair<Qualifiers, PointerAffinity> demanglePointerCVQualifiers ( StringView & MangledName )

static

◆ guessCharByteSize()

static unsigned guessCharByteSize	(	const uint8_t *	StringBytes,
		unsigned	NumChars,
		unsigned	NumBytes
	)

static

Definition at line 1103 of file MicrosoftDemangle.cpp.

References assert(), countEmbeddedNulls(), and countTrailingNullBytes().

Referenced by decodeMultiByteChar().

◆ isArrayType()

static bool isArrayType ( StringView S )

static

Definition at line 205 of file MicrosoftDemangle.cpp.

Referenced by nodeListToNodeArray().

◆ isCustomType()

static bool isCustomType ( StringView S )

static

Definition at line 188 of file MicrosoftDemangle.cpp.

Referenced by nodeListToNodeArray().

◆ isFunctionType()

static bool isFunctionType ( StringView S )

static

Definition at line 207 of file MicrosoftDemangle.cpp.

References StringView::startsWith().

Referenced by nodeListToNodeArray().

◆ isMemberPointer()

static bool isMemberPointer	(	StringView	MangledName,
		bool &	Error
	)

static

Definition at line 43 of file MicrosoftDemangle.cpp.

References assert(), StringView::consumeFront(), StringView::empty(), StringView::front(), StringView::popFront(), and startsWithDigit().

Referenced by nodeListToNodeArray().

◆ isPointerType()

static bool isPointerType ( StringView S )

static

Definition at line 190 of file MicrosoftDemangle.cpp.

References StringView::front(), and StringView::startsWith().

Referenced by nodeListToNodeArray().

◆ isRebasedHexDigit()

static bool isRebasedHexDigit ( char C )

static

Definition at line 926 of file MicrosoftDemangle.cpp.

Referenced by rebasedHexDigitToNumber().

◆ isTagType()

static bool isTagType ( StringView S )

static

Definition at line 177 of file MicrosoftDemangle.cpp.

References StringView::front().

Referenced by nodeListToNodeArray().

◆ nodeListToNodeArray()

static NodeArrayNode* nodeListToNodeArray	(	ArenaAllocator &	Arena,
		NodeList *	Head,
		size_t	Count
	)

static

Definition at line 1437 of file MicrosoftDemangle.cpp.

References llvm::ms_demangle::PointerTypeNode::Affinity, llvm::ms_demangle::TemplateParameterReferenceNode::Affinity, llvm::ms_demangle::ArenaAllocator::alloc(), llvm::ms_demangle::ArenaAllocator::allocArray(), assert(), llvm::ms_demangle::Bool, llvm::ms_demangle::FunctionSignatureNode::CallConvention, llvm::ms_demangle::Cdecl, llvm::ms_demangle::Char, llvm::ms_demangle::Char16, llvm::ms_demangle::Char32, llvm::ms_demangle::Class, llvm::ms_demangle::PointerTypeNode::ClassParent, llvm::ms_demangle::Clrcall, llvm::ms_demangle::QualifiedNameNode::Components, StringView::consumeFront(), llvm::ms_demangle::NodeArrayNode::Count, D, demangleFunctionRefQualifier(), demanglePointerCVQualifiers(), llvm::ms_demangle::ArrayTypeNode::Dimensions, llvm::ms_demangle::Double, llvm::ms_demangle::Drop, StringView::dropFront(), llvm::ms_demangle::Eabi, llvm::ms_demangle::ArrayTypeNode::ElementType, StringView::empty(), llvm::ms_demangle::Enum, llvm::ms_demangle::Fastcall, R600_InstFlag::FC, llvm::ms_demangle::FC_ExternC, llvm::ms_demangle::FC_Far, llvm::ms_demangle::FC_Global, llvm::ms_demangle::FC_None, llvm::ms_demangle::FC_NoParameterList, llvm::ms_demangle::FC_Private, llvm::ms_demangle::FC_Protected, llvm::ms_demangle::FC_Public, llvm::ms_demangle::FC_Static, llvm::ms_demangle::FC_StaticThisAdjust, llvm::ms_demangle::FC_Virtual, llvm::ms_demangle::FC_VirtualThisAdjust, llvm::ms_demangle::FC_VirtualThisAdjustEx, first, llvm::ms_demangle::Float, StringView::front(), llvm::ms_demangle::FunctionSignatureNode::FunctionClass, llvm::ms_demangle::FunctionLocalStatic, llvm::ms_demangle::QualifiedNameNode::getUnqualifiedIdentifier(), llvm::ms_demangle::Global, I, llvm::ms_demangle::CustomTypeNode::Identifier, llvm::ms_demangle::Int, llvm::ms_demangle::Int64, isArrayType(), isCustomType(), isFunctionType(), isMemberPointer(), llvm::ms_demangle::TemplateParameterReferenceNode::IsMemberPointer, llvm::ms_demangle::FunctionSignatureNode::IsNoexcept, isPointerType(), isTagType(), llvm::ms_demangle::Ldouble, LLVM_FALLTHROUGH, llvm::ms_demangle::Long, llvm::ms_demangle::Mangle, NodeList::N, N, llvm::ms_demangle::SymbolNode::Name, NodeList::Next, llvm::ms_demangle::NodeArrayNode::Nodes, llvm::ms_demangle::None, llvm::ms_demangle::Nullptr, llvm::ms_demangle::FunctionSignatureNode::Params, llvm::json::parse(), llvm::ms_demangle::Pascal, llvm::ms_demangle::PointerTypeNode::Pointee, llvm::ms_demangle::Pointer, StringView::popFront(), llvm::ms_demangle::PrivateStatic, llvm::ms_demangle::ProtectedStatic, llvm::ms_demangle::PublicStatic, llvm::ms_demangle::Q_Const, llvm::ms_demangle::Q_None, llvm::ms_demangle::Q_Pointer64, llvm::ms_demangle::Q_Restrict, llvm::ms_demangle::Q_Unaligned, llvm::ms_demangle::Q_Volatile, llvm::ms_demangle::TagTypeNode::QualifiedName, llvm::ms_demangle::TypeNode::Quals, llvm::ms_demangle::Reference, llvm::ms_demangle::FunctionSignatureNode::RefQualifier, llvm::ms_demangle::Result, llvm::ms_demangle::FunctionSignatureNode::ReturnType, llvm::ms_demangle::Schar, llvm::ms_demangle::Short, llvm::ms_demangle::FunctionSymbolNode::Signature, StringView::size(), StringView::startsWith(), startsWithDigit(), llvm::ms_demangle::ThunkSignatureNode::ThisAdjustor::StaticOffset, llvm::ms_demangle::Stdcall, llvm::ms_demangle::Struct, llvm::ARMBuildAttrs::Symbol, llvm::ms_demangle::TemplateParameterReferenceNode::Symbol, llvm::ms_demangle::ThunkSignatureNode::ThisAdjust, llvm::ms_demangle::Thiscall, llvm::ms_demangle::TemplateParameterReferenceNode::ThunkOffsetCount, llvm::ms_demangle::TemplateParameterReferenceNode::ThunkOffsets, llvm::ms_demangle::Uchar, llvm::ms_demangle::Uint, llvm::ms_demangle::Uint64, llvm::ms_demangle::Ulong, llvm::ms_demangle::Union, llvm::ms_demangle::Ushort, llvm::ms_demangle::ThunkSignatureNode::ThisAdjustor::VBOffsetOffset, llvm::ms_demangle::ThunkSignatureNode::ThisAdjustor::VBPtrOffset, llvm::ms_demangle::Vectorcall, llvm::ms_demangle::Void, llvm::ms_demangle::ThunkSignatureNode::ThisAdjustor::VtordispOffset, and llvm::ms_demangle::Wchar.

◆ outputEscapedChar()

static void outputEscapedChar	(	OutputStream &	OS,
		unsigned	C
	)

static

Definition at line 1037 of file MicrosoftDemangle.cpp.

References outputHex().

Referenced by decodeMultiByteChar().

◆ outputHex()

static void outputHex	(	OutputStream &	OS,
		unsigned	C
	)

static

Definition at line 1009 of file MicrosoftDemangle.cpp.

References assert(), I, llvm::Intrinsic::memset, and writeHexDigit().

Referenced by outputEscapedChar().

◆ rebasedHexDigitToNumber()

static uint8_t rebasedHexDigitToNumber ( char C )

static

Definition at line 928 of file MicrosoftDemangle.cpp.

References assert(), C, StringView::consumeFront(), StringView::dropFront(), StringView::empty(), isRebasedHexDigit(), Lookup(), StringView::popFront(), StringView::size(), StringView::startsWith(), startsWithDigit(), and StringView::substr().

◆ startsWithDigit()

static bool startsWithDigit ( StringView S )

static

Definition at line 33 of file MicrosoftDemangle.cpp.

References StringView::empty(), and StringView::front().

Referenced by isMemberPointer(), nodeListToNodeArray(), llvm::ms_demangle::Demangler::parseTagUniqueName(), and rebasedHexDigitToNumber().

◆ startsWithLocalScopePattern()

static bool startsWithLocalScopePattern ( StringView S )

static

Definition at line 136 of file MicrosoftDemangle.cpp.

References StringView::consumeFront(), and StringView::size().

◆ synthesizeNamedIdentifier()

static NamedIdentifierNode* synthesizeNamedIdentifier	(	ArenaAllocator &	Arena,
		StringView	Name
	)

static

Definition at line 309 of file MicrosoftDemangle.cpp.

References llvm::ms_demangle::ArenaAllocator::alloc(), Name, and llvm::ms_demangle::NamedIdentifierNode::Name.

Referenced by synthesizeQualifiedName(), and synthesizeVariable().

◆ synthesizeQualifiedName() [1/2]

static QualifiedNameNode* synthesizeQualifiedName	(	ArenaAllocator &	Arena,
		IdentifierNode *	Identifier
	)

static

Definition at line 316 of file MicrosoftDemangle.cpp.

References llvm::ms_demangle::ArenaAllocator::alloc(), llvm::ms_demangle::ArenaAllocator::allocArray(), llvm::ms_demangle::QualifiedNameNode::Components, llvm::ms_demangle::NodeArrayNode::Count, llvm::ms_demangle::Identifier, and llvm::ms_demangle::NodeArrayNode::Nodes.

Referenced by llvm::ms_demangle::Demangler::parse(), synthesizeQualifiedName(), and synthesizeVariable().

◆ synthesizeQualifiedName() [2/2]

static QualifiedNameNode* synthesizeQualifiedName	(	ArenaAllocator &	Arena,
		StringView	Name
	)

static

Definition at line 326 of file MicrosoftDemangle.cpp.

References synthesizeNamedIdentifier(), and synthesizeQualifiedName().

◆ synthesizeVariable()

static VariableSymbolNode* synthesizeVariable	(	ArenaAllocator &	Arena,
		TypeNode *	Type,
		StringView	VariableName
	)

static

Definition at line 332 of file MicrosoftDemangle.cpp.

References llvm::ms_demangle::ArenaAllocator::alloc(), assert(), llvm::ms_demangle::Basic, StringView::consumeFront(), consumeSpecialIntrinsicKind(), llvm::ms_demangle::DoubleUnder, StringView::dropFront(), llvm::ms_demangle::DynamicAtexitDestructor, llvm::ms_demangle::DynamicInitializer, StringView::empty(), llvm::ms_demangle::RttiBaseClassDescriptorNode::Flags, I, llvm::ms_demangle::DynamicStructorIdentifierNode::IsDestructor, llvm::ms_demangle::StructorIdentifierNode::IsDestructor, llvm::ms_demangle::Node::kind(), llvm::ms_demangle::LocalStaticGuard, llvm::ms_demangle::LocalVftable, N, llvm::ms_demangle::DynamicStructorIdentifierNode::Name, llvm::ms_demangle::LiteralOperatorIdentifierNode::Name, llvm::ms_demangle::SymbolNode::Name, llvm::ms_demangle::None, llvm::ms_demangle::RttiBaseClassDescriptorNode::NVOffset, llvm::ms_demangle::Result, llvm::ms_demangle::RttiBaseClassArray, llvm::ms_demangle::RttiBaseClassDescriptor, llvm::ms_demangle::RttiClassHierarchyDescriptor, llvm::ms_demangle::RttiCompleteObjLocator, llvm::ms_demangle::RttiTypeDescriptor, StringView::startsWith(), llvm::ms_demangle::StringLiteralSymbol, llvm::ARMBuildAttrs::Symbol, synthesizeNamedIdentifier(), synthesizeQualifiedName(), llvm::ms_demangle::VariableSymbolNode::Type, llvm::ms_demangle::Under, llvm::ms_demangle::DynamicStructorIdentifierNode::Variable, llvm::ms_demangle::VariableSymbol, llvm::ms_demangle::RttiBaseClassDescriptorNode::VBPtrOffset, llvm::ms_demangle::Vbtable, llvm::ms_demangle::RttiBaseClassDescriptorNode::VBTableOffset, llvm::ms_demangle::VcallThunk, and llvm::ms_demangle::Vftable.

◆ translateIntrinsicFunctionCode()

static IntrinsicFunctionKind translateIntrinsicFunctionCode	(	char	CH,
		FunctionIdentifierCodeGroup	Group
	)

static

Definition at line 505 of file MicrosoftDemangle.cpp.

References llvm::ms_demangle::ArenaAllocator::alloc(), llvm::ms_demangle::ArrayDelete, llvm::ms_demangle::ArrayNew, llvm::ms_demangle::ArraySubscript, llvm::ms_demangle::Assign, llvm::ms_demangle::Basic, llvm::ms_demangle::BitwiseAnd, llvm::ms_demangle::BitwiseAndEqual, llvm::ms_demangle::BitwiseNot, llvm::ms_demangle::BitwiseOr, llvm::ms_demangle::BitwiseOrEqual, llvm::ms_demangle::BitwiseXor, llvm::ms_demangle::BitwiseXorEqual, llvm::ms_demangle::CoAwait, llvm::ms_demangle::Comma, llvm::ms_demangle::ConversionOperatorIdentifier, llvm::ms_demangle::CopyCtorClosure, llvm::ms_demangle::Decrement, llvm::ms_demangle::DefaultCtorClosure, llvm::ms_demangle::Delete, llvm::ms_demangle::Dereference, llvm::ms_demangle::DivEqual, llvm::ms_demangle::Divide, llvm::ms_demangle::DoubleUnder, llvm::ms_demangle::EHVecCtorIter, llvm::ms_demangle::EHVecDtorIter, llvm::ms_demangle::EHVectorCopyCtorIter, llvm::ms_demangle::EHVectorVbaseCopyCtorIter, llvm::ms_demangle::EHVecVbaseCtorIter, llvm::ms_demangle::Equals, StringView::front(), llvm::ms_demangle::QualifiedNameNode::getUnqualifiedIdentifier(), llvm::ms_demangle::GreaterThan, llvm::ms_demangle::GreaterThanEqual, llvm::ms_demangle::Increment, llvm::ms_demangle::Node::kind(), llvm::ms_demangle::LeftShift, llvm::ms_demangle::LessThan, llvm::ms_demangle::LessThanEqual, llvm::ms_demangle::LocalVftableCtorClosure, llvm::ms_demangle::LogicalAnd, llvm::ms_demangle::LogicalNot, llvm::ms_demangle::LogicalOr, llvm::ms_demangle::LshEqual, llvm::ms_demangle::ManVectorCtorIter, llvm::ms_demangle::ManVectorDtorIter, llvm::ms_demangle::ManVectorVbaseCopyCtorIter, llvm::ms_demangle::MemberPointer, llvm::ms_demangle::Minus, llvm::ms_demangle::MinusEqual, llvm::ms_demangle::ModEqual, llvm::ms_demangle::Modulus, Name, llvm::ms_demangle::New, llvm::ms_demangle::None, llvm::ms_demangle::NotEquals, llvm::ms_demangle::Parens, llvm::ms_demangle::Plus, llvm::ms_demangle::PlusEqual, llvm::ms_demangle::Pointer, StringView::popFront(), llvm::ms_demangle::FunctionSignatureNode::ReturnType, llvm::ms_demangle::RightShift, llvm::ms_demangle::RshEqual, llvm::PPCISD::SC, llvm::ms_demangle::ScalarDelDtor, llvm::ms_demangle::FunctionSymbolNode::Signature, llvm::ms_demangle::ConversionOperatorIdentifierNode::TargetType, llvm::ms_demangle::TimesEqual, llvm::ms_demangle::Under, llvm::ms_demangle::VbaseDtor, llvm::ms_demangle::VdispMap, llvm::ms_demangle::VecCtorIter, llvm::ms_demangle::VecDelDtor, llvm::ms_demangle::VecDtorIter, llvm::ms_demangle::VectorCopyCtorIter, llvm::ms_demangle::VectorVbaseCopyCtorIter, and llvm::ms_demangle::VecVbaseCtorIter.

◆ writeHexDigit()

static void writeHexDigit	(	char *	Buffer,
		uint8_t	Digit
	)

static

Definition at line 1004 of file MicrosoftDemangle.cpp.

References assert().

Referenced by outputHex().