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// Copyright 2016-2024 Vector 35 Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#pragma once
#include <stdexcept>
#include <exception>
// XXX: Compiled directly into the core for performance reasons
// Will still work fine compiled independently, just at about a
// 50-100% performance penalty due to FFI overhead
#ifdef BINARYNINJACORE_LIBRARY
#include "qualifiedname.h"
#include "type.h"
#include "architecture.h"
#include "binaryview.h"
#include "demangle.h"
#include "unicode.h"
#define BN BinaryNinjaCore
#define _STD_STRING BinaryNinjaCore::string
#define _STD_VECTOR BinaryNinjaCore::vector
#define _STD_SET BinaryNinjaCore::set
#else
#include "binaryninjaapi.h"
#define BN BinaryNinja
#define _STD_STRING std::string
#define _STD_VECTOR std::vector
#define _STD_SET std::set
#endif
class DemangleException: public std::exception
{
_STD_STRING m_message;
public:
DemangleException(_STD_STRING msg="Attempt to read beyond bounds or missing expected character"): m_message(msg){}
virtual const char* what() const noexcept { return m_message.c_str(); }
};
class Demangle
{
enum NameType
{
NameEmpty,
NameString,
NameLookup,
NameBackref,
NameTemplate,
NameConstructor,
NameDestructor,
NameRtti,
NameReturn,
NameDynamicInitializer,
NameDynamicAtExitDestructor,
NameLocalStaticThreadGuard,
NameLocalVftable
};
enum FunctionClass
{
NoneFunctionClass = 0,
PrivateFunctionClass = 1 << 0,
ProtectedFunctionClass = 1 << 1,
PublicFunctionClass = 1 << 2,
GlobalFunctionClass = 1 << 3,
StaticFunctionClass = 1 << 4,
VirtualFunctionClass = 1 << 5,
FriendFunctionClass = 1 << 6,
StaticThunkFunctionClass = 1 << 7,
VirtualThunkFunctionClass = 1 << 8,
VirtualThunkExFunctionClass = 1 << 9,
};
class Reader
{
public:
Reader(_STD_STRING data);
_STD_STRING PeekString(size_t count=1);
char Peek();
const char* GetRaw();
char Read();
_STD_STRING ReadString(size_t count=1);
_STD_STRING ReadUntil(char sentinal);
void Consume(size_t count=1);
size_t Length();
private:
_STD_STRING m_data;
};
class BackrefList
{
public:
_STD_VECTOR<BN::TypeBuilder> typeList;
_STD_VECTOR<_STD_STRING> nameList;
const BN::TypeBuilder& GetTypeBackref(size_t reference);
_STD_STRING GetStringBackref(size_t reference);
void PushTypeBackref(BN::TypeBuilder t);
void PushStringBackref(_STD_STRING& s);
void PushFrontStringBackref(_STD_STRING& s);
};
Reader reader;
BackrefList m_backrefList;
BN::Architecture* m_arch;
BN::Ref<BN::Platform> m_platform;
BN::Ref<BN::BinaryView> m_view;
BN::QualifiedName m_varName;
BN::Ref<BN::Logger> m_logger;
NameType GetNameType();
BN::TypeBuilder DemangleVarType(BackrefList& varList, bool isReturn, BN::QualifiedName& name);
void DemangleNumber(int64_t& num);
void DemangleChar(char& ch);
void DemangleWideChar(uint16_t& wch);
void DemangleModifiers(bool& _const, bool& _volatile, bool& isMember);
_STD_SET<BNPointerSuffix> DemanglePointerSuffix();
void DemangleVariableList(_STD_VECTOR<BN::FunctionParameter>& paramList, BackrefList& varList);
void DemangleNameTypeRtti(BNNameType& classFunctionType,
BackrefList& nameBackrefList,
_STD_STRING& out,
_STD_STRING& rttiTypeName);
void DemangleTypeNameLookup(_STD_STRING& out, BNNameType& functionType);
void DemangleNameTypeString(_STD_STRING& out);
void DemangleNameTypeBackref(_STD_STRING& out, const _STD_VECTOR<_STD_STRING>& backrefList);
void DemangleName(BN::QualifiedName& nameList,
BNNameType& classFunctionType,
BackrefList& nameBackrefList);
BN::Ref<BN::CallingConvention> GetCallingConventionForType(BNCallingConventionName ccName);
BNCallingConventionName DemangleCallingConvention();
BN::TypeBuilder DemangleFunction(BNNameType classFunctionType, bool pointerSuffix, BackrefList& varList, int funcClass = NoneFunctionClass);
BN::TypeBuilder DemangleData();
void DemangleNameTypeRtti(BNNameType& classFunctionType,
BackrefList& nameBackrefList,
_STD_STRING& out);
BN::TypeBuilder DemangleVTable();
BN::TypeBuilder DemanagleRTTI(BNNameType classFunctionType);
_STD_STRING DemangleTemplateInstantiationName(BackrefList& nameBackrefList);
_STD_STRING DemangleTemplateParams(_STD_VECTOR<BN::FunctionParameter>& params, BackrefList& nameBackrefList, _STD_STRING& out);
_STD_STRING DemangleUnqualifiedSymbolName(BN::QualifiedName& nameList, BackrefList& nameBackrefList, BNNameType& classFunctionType);
BN::TypeBuilder DemangleString();
BN::TypeBuilder DemangleTypeInfoName();
public:
struct DemangleContext
{
BN::TypeBuilder type;
BNMemberAccess access;
BNMemberScope scope;
};
Demangle(BN::Architecture* arch, _STD_STRING mangledName);
Demangle(BN::Ref<BN::BinaryView> view, _STD_STRING mangledName);
Demangle(BN::Ref<BN::Platform> platform, _STD_STRING mangledName);
DemangleContext DemangleSymbol();
BN::QualifiedName GetVarName() const { return m_varName; }
// Be careful not to accidentally implicitly cast a BinaryView* to a bool
static bool DemangleMS(BN::Architecture* arch, const _STD_STRING& mangledName, BN::Ref<BN::Type>& outType,
BN::QualifiedName& outVarName, const BN::Ref<BN::BinaryView>& view);
static bool DemangleMS(BN::Architecture* arch, const _STD_STRING& mangledName, BN::Ref<BN::Type>& outType,
BN::QualifiedName& outVarName, BN::BinaryView* view);
static bool DemangleMS(BN::Architecture* arch, const _STD_STRING& mangledName, BN::Ref<BN::Type>& outType,
BN::QualifiedName& outVarName);
static bool DemangleMS(const _STD_STRING& mangledName, BN::Ref<BN::Type>& outType,
BN::QualifiedName& outVarName, const BN::Ref<BN::BinaryView>& view);
static bool DemangleMS(const _STD_STRING& mangledName, BN::Ref<BN::Type>& outType,
BN::QualifiedName& outVarName, BN::BinaryView* view);
};
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