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// Copyright 2016-2026 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"
#define BN BinaryNinjaCore
#define _STD_STRING BinaryNinjaCore::string
#define _STD_VECTOR BinaryNinjaCore::vector
#else
#include "binaryninjaapi.h"
#define BN BinaryNinja
#define _STD_STRING std::string
#define _STD_VECTOR std::vector
#endif
#include "demangled_type_node.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 DemangleGNU3Reader
{
public:
DemangleGNU3Reader(const _STD_STRING& data);
void Reset(const _STD_STRING& data);
_STD_STRING PeekString(size_t count=1);
bool NextIsOneOf(const _STD_STRING& list);
_STD_STRING GetRaw();
_STD_STRING ReadString(size_t count=1);
_STD_STRING ReadUntil(char sentinal);
size_t Length() const { return m_data.length() - m_offset; }
char Peek()
{
if (1 > Length())
return '\0';
return (char)m_data[m_offset];
}
char Read()
{
if (1 > Length())
throw DemangleException();
return m_data[m_offset++];
}
void Consume(size_t count=1)
{
if (count > Length())
throw DemangleException();
m_offset += count;
}
void UnRead(size_t count=1)
{
if (count <= m_offset)
m_offset -= count;
}
private:
_STD_STRING m_data;
size_t m_offset;
};
class DemangleGNU3
{
using ParamList = _STD_VECTOR<DemangledTypeNode::Param>;
BN::QualifiedName m_varName;
DemangleGNU3Reader m_reader;
BN::Architecture* m_arch;
_STD_VECTOR<DemangledTypeNode> m_substitute;
_STD_VECTOR<DemangledTypeNode> m_templateSubstitute;
_STD_VECTOR<_STD_VECTOR<DemangledTypeNode>> 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};
BN::QualifiedName DemangleBaseUnresolvedName();
DemangledTypeNode 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();
DemangledTypeNode DemangleUnqualifiedName();
_STD_STRING DemangleSourceName();
_STD_STRING DemangleNumberAsString();
_STD_STRING DemangleInitializer();
_STD_STRING DemangleExpression();
_STD_STRING DemanglePrimaryExpression();
DemangledTypeNode DemangleName();
DemangledTypeNode DemangleLocalName();
void DemangleCVQualifiers(bool& cnst, bool& vltl, bool& rstrct);
DemangledTypeNode DemangleSubstitution();
const DemangledTypeNode& DemangleTemplateSubstitution();
void DemangleTemplateArgs(_STD_VECTOR<_STD_STRING>& args);
DemangledTypeNode DemangleFunction(bool cnst, bool vltl);
DemangledTypeNode DemangleType();
int64_t DemangleNumber();
DemangledTypeNode DemangleNestedName();
void PushTemplateType(const DemangledTypeNode& type);
const DemangledTypeNode& GetTemplateType(size_t ref);
void PushType(const DemangledTypeNode& type);
const DemangledTypeNode& GetType(size_t ref);
DemangledTypeNode CreateUnknownType(const BN::QualifiedName& s);
DemangledTypeNode CreateUnknownType(const _STD_STRING& s);
static void ExtendTypeName(DemangledTypeNode& type, const _STD_STRING& extend);
public:
DemangleGNU3(BN::Architecture* arch, const _STD_STRING& mangledName);
void Reset(BN::Architecture* arch, const _STD_STRING& mangledName);
DemangledTypeNode DemangleSymbol(BN::QualifiedName& varName);
BN::QualifiedName GetVarName() const { return m_varName; }
void PrintTables();
};
class DemangleGNU3Static
{
public:
static bool IsGNU3MangledString(const _STD_STRING& name);
static bool DemangleGlobalHeader(_STD_STRING& name, _STD_STRING& header);
static bool DemangleStringGNU3(BN::Architecture* arch, const _STD_STRING& name, BN::Ref<BN::Type>& outType, BN::QualifiedName& outVarName);
};
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