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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 = nullptr;
wxString m_buffer;
bool m_eof = false;
int m_parenthesisDepth = 0;
std::unordered_set<int> m_nativeTypes;
eCxxStandard m_standard = eCxxStandard::kCxx11;
wxStringTable_t m_macros;
std::vector<wxString> m_buffers;
bool m_isFuncSignature = false;
wxString m_optimized_buffer;
bool m_buffer_optimized = false;
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, wxString& variable_definition);
bool OnCatch(Scanner_t scanner);
bool OnWhile(Scanner_t scanner);
bool OnDeclType(Scanner_t scanner);
bool SkipToClosingParenthesis(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, int& line_number, 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);
void DoOptimizeBuffer();
/**
* @brief move the scanner until we find the closing parenthesis `)`
* @param scanner
* @return true if found, false, when reached EOF
*/
bool skip_parenthesis_block(Scanner_t scanner);
/**
* @brief move the scanner until we find the closing parenthesis `}`
* @param scanner
* @return true if found, false, when reached EOF
*/
bool skip_curly_brackets_block(Scanner_t scanner);
public:
CxxVariableScanner(const wxString& buffer, eCxxStandard standard, const wxStringTable_t& macros,
bool isFuncSignature);
virtual ~CxxVariableScanner();
/**
* @brief helper method to join variable type into a single string
*/
static wxString ToString(CxxVariable::LexerToken::Vec_t& vartype);
/**
* @brief return the optimized buffer
*/
const wxString& GetOptimizeBuffer() const { return m_optimized_buffer; }
/**
* @brief return the variables from the optimized buffer
* @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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