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LadderLogicParser.h
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#include <map>
#include <string>
#include <variant>
#include <vector>
#include <stack>
#include <chrono>
#include <unordered_map>
#include <functional>
using Variable = std::variant<int, bool, double>;
class LadderLogicParser {
public:
LadderLogicParser(const std::vector<std::string>& logic, std::map<std::string, Variable>& variableMap);
void parseAndExecute();
void executeLogic(); // New method to execute logic without re-initializing
int scanTime = 0; // in milliseconds
bool isFirstScan; // flag for the first scan
private:
std::unordered_map<std::string, std::function<bool(const std::string&, bool&)>> instructionHandlers;
std::vector<std::string> logic;
std::map<std::string, Variable>& variableMap;
bool lineState;
bool endFound;
std::chrono::high_resolution_clock::time_point initialTime;
void initializeInstructionHandlers();
double roundToTwoDecimals(double value);
void handleTokens(const std::vector<std::string>& tokens);
void handleInstruction(const std::string& instruction, const std::string& params, bool& currentBranchState);
void handleBranchStart(std::stack<bool>& branchStack, std::stack<bool>& currentBranchStateStack, bool& branchResult, bool& currentBranchState);
void handleNextBranch(bool& branchResult, bool& currentBranchState);
void handleBranchEnd(std::stack<bool>& branchStack, std::stack<bool>& currentBranchStateStack, bool& branchResult, bool& currentBranchState);
bool getBoolValue(const std::string& varName);
void setBoolValue(const std::string& varName, bool value);
bool handleTonInstruction(const std::string& params, bool& currentBranchState);
bool handleTofInstruction(const std::string& params, bool& currentBranchState);
bool handleAddInstruction(const std::string& params, bool& currentBranchState);
bool handleSubInstruction(const std::string& params, bool& currentBranchState);
bool handleLssInstruction(const std::string& params, bool& currentBranchState);
bool handleGtrInstruction(const std::string& params, bool& currentBranchState);
bool handleAfiInstruction(const std::string& params, bool& currentBranchState);
bool handleEquInstruction(const std::string& params, bool& currentBranchState);
bool handleNeqInstruction(const std::string& params, bool& currentBranchState);
bool handleOnrInstruction(const std::string& params, bool& currentBranchState);
bool handleOnfInstruction(const std::string& params, bool& currentBranchState);
bool handleCtuInstruction(const std::string& params, bool& currentBranchState);
bool handleCtdInstruction(const std::string& params, bool& currentBranchState);
bool handleXicInstruction(const std::string& params, bool& currentBranchState);
bool handleXioInstruction(const std::string& params, bool& currentBranchState);
bool handleOteInstruction(const std::string& params, bool& currentBranchState);
bool handleOtlInstruction(const std::string& params, bool& currentBranchState);
};