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#ifndef CXXVARIABLESCANNER_H
#define CXXVARIABLESCANNER_H
#include "CxxLexerAPI.h"
#include "CxxVariable.h"
#include "codelite_exports.h"
#include "macros.h"
#include "wxStringHash.h"
#include <stack>
class WXDLLIMPEXP_CL CxxVariableScanner
{
protected:
Scanner_t m_scanner;
wxString m_buffer;
bool m_eof;
int m_parenthesisDepth;
std::unordered_set<int> m_nativeTypes;
eCxxStandard m_standard;
wxStringTable_t m_macros;
std::vector<wxString> m_buffers;
bool m_isFuncSignature;
protected:
bool GetNextToken(CxxLexerToken& token);
void UngetToken(const CxxLexerToken& token);
bool IsEof() const { return m_eof; }
bool TypeHasIdentifier(const CxxVariable::LexerToken::Vec_t& type);
bool HasNativeTypeInList(const CxxVariable::LexerToken::Vec_t& type) const;
wxString& Buffer();
wxString& PushBuffer();
wxString& PopBuffer();
bool OnForLoop(Scanner_t scanner);
bool OnCatch(Scanner_t scanner);
bool OnWhile(Scanner_t scanner);
bool OnDeclType(Scanner_t scanner);
bool OnLambda(Scanner_t scanner);
protected:
/**
* @brief read the variable type
*/
bool ReadType(CxxVariable::LexerToken::Vec_t& vartype, bool& isAuto);
/**
* @brief read the variable name. Return true if there are more variables
* for the current type
*/
bool ReadName(wxString& varname, wxString& pointerOrRef, wxString& varInitialization);
/**
* @brief consume variable initialization
*/
void ConsumeInitialization(wxString& consumed);
int ReadUntil(const std::unordered_set<int>& delims, CxxLexerToken& token, wxString& consumed);
CxxVariable::Vec_t DoGetVariables(const wxString& buffer, bool sort);
CxxVariable::Vec_t DoParseFunctionArguments(const wxString& buffer);
public:
CxxVariableScanner(const wxString& buffer, eCxxStandard standard, const wxStringTable_t& macros,
bool isFuncSignature);
virtual ~CxxVariableScanner();
/**
* @brief strip buffer from unreachable code blocks (assuming the caret is at the last position of the bufer)
*/
void OptimizeBuffer(const wxString& buffer, wxString& strippedBuffer);
/**
* @brief parse the buffer and return list of variables
* @return
*/
CxxVariable::Vec_t GetVariables(bool sort = true);
/**
* @brief parse the buffer and return list of variables
* @return
*/
CxxVariable::Vec_t ParseFunctionArguments();
/**
* @brief parse the buffer and return a unique set of variables
*/
CxxVariable::Map_t GetVariablesMap();
};
#endif // CXXVARIABLESCANNER_H
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