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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>
#include "binaryninjaapi.h"
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 DemangleGNU3
{
class Reader
{
public:
Reader(const std::string& data);
std::string PeekString(size_t count=1);
char Peek();
bool NextIsOneOf(const std::string& list);
std::string GetRaw();
char Read();
std::string ReadString(size_t count=1);
std::string ReadUntil(char sentinal);
void Consume(size_t count=1);
size_t Length() const;
void UnRead(size_t count=1);
private:
std::string m_data;
size_t m_offset;
};
class SubstitutionList
{
std::vector<BinaryNinja::TypeBuilder> m_typeList;
public:
SubstitutionList();
~SubstitutionList();
void PushType(BinaryNinja::TypeBuilder t);
void PopType();
const BinaryNinja::TypeBuilder& GetType(size_t reference) const;
void PrintSubstitutionTable() const;
size_t Size() const { return m_typeList.size(); }
void Clear() { m_typeList.clear(); }
};
BinaryNinja::QualifiedName m_varName;
Reader m_reader;
BinaryNinja::Architecture* m_arch;
std::vector<BinaryNinja::TypeBuilder> m_substitute;
std::vector<BinaryNinja::TypeBuilder> m_templateSubstitute;
std::vector<std::vector<BinaryNinja::TypeBuilder>> m_functionSubstitute;
std::string m_lastName;
BNNameType m_nameType;
bool m_localType;
bool m_hasReturnType;
bool m_isParameter;
bool m_shouldDeleteReader;
bool m_topLevel;
bool m_isOperatorOverload;
enum SymbolType { Function, FunctionWithReturn, Data, VTable, Rtti, Name};
BinaryNinja::QualifiedName DemangleBaseUnresolvedName();
BinaryNinja::TypeBuilder DemangleUnresolvedType();
std::string DemangleUnarySuffixExpression(const std::string& op);
std::string DemangleUnaryPrefixExpression(const std::string& op);
std::string DemangleBinaryExpression(const std::string& op);
std::string DemangleUnaryPrefixType(const std::string& op);
std::string DemangleTypeString();
std::string DemangleExpressionList();
BinaryNinja::TypeBuilder DemangleUnqualifiedName();
std::string DemangleSourceName();
std::string DemangleNumberAsString();
std::string DemangleInitializer();
std::string DemangleExpression();
std::string DemanglePrimaryExpression();
BinaryNinja::TypeBuilder DemangleName();
BinaryNinja::TypeBuilder DemangleLocalName();
void DemangleCVQualifiers(bool& cnst, bool& vltl, bool& rstrct);
BinaryNinja::TypeBuilder DemangleSubstitution();
const BinaryNinja::TypeBuilder& DemangleTemplateSubstitution();
void DemangleTemplateArgs(std::vector<BinaryNinja::FunctionParameter>& args);
bool DemangleEncoding(BinaryNinja::Type** type, BinaryNinja::QualifiedName& outName);
BinaryNinja::TypeBuilder DemangleFunction(bool cnst, bool vltl);
BinaryNinja::TypeBuilder DemangleType();
int64_t DemangleNumber();
BinaryNinja::TypeBuilder DemangleNestedName();
void PushTemplateType(BinaryNinja::TypeBuilder type);
const BinaryNinja::TypeBuilder& GetTemplateType(size_t ref);
void PushType(BinaryNinja::TypeBuilder type);
const BinaryNinja::TypeBuilder& GetType(size_t ref);
static bool DemangleGlobalHeader(std::string& name, std::string& header);
public:
DemangleGNU3(BinaryNinja::Architecture* arch, const std::string& mangledName);
BinaryNinja::TypeBuilder DemangleSymbol(BinaryNinja::QualifiedName& varName);
BinaryNinja::QualifiedName GetVarName() const { return m_varName; }
static bool IsGNU3MangledString(const std::string& name);
// Tread lightly on this landmine; a BinaryView* will be converted to a bool; use an explicit (BinaryNinja::Ref<BinaryNinja::BinaryView>)view cast
static bool DemangleStringGNU3(BinaryNinja::Architecture* arch, const std::string& name, BinaryNinja::Ref<BinaryNinja::Type>& outType, BinaryNinja::QualifiedName& outVarName, const BinaryNinja::Ref<BinaryNinja::BinaryView>& view);
static bool DemangleStringGNU3(BinaryNinja::Architecture* arch, const std::string& name, BinaryNinja::Ref<BinaryNinja::Type>& outType, BinaryNinja::QualifiedName& outVarName, BinaryNinja::BinaryView* view);
static bool DemangleStringGNU3(BinaryNinja::Architecture* arch, const std::string& name, BinaryNinja::Ref<BinaryNinja::Type>& outType, BinaryNinja::QualifiedName& outVarName);
void PrintTables();
};
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