PromelaCodeAnalyzer.h

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#ifndef PROMELACODEANALYZER_H_E89FF519
#define PROMELACODEANALYZER_H_E89FF519

#include "uscxml/transform/Trie.h"
#include "uscxml/plugins/datamodel/promela/PromelaParser.h"
#include "uscxml/plugins/datamodel/promela/parser/promela.tab.hpp"

#include <set>

namespace uscxml {

class ChartToPromela;

class USCXML_API PromelaCodeAnalyzer {
public:
    class PromelaTypedef {
    public:
        PromelaTypedef() {}
        std::string name;
        std::string type;
        size_t arraySize = 0;
        int minValue = 0;
        int maxValue = 0;
        std::map<std::string, PromelaTypedef> types;
        std::set<ChartToPromela*> occurrences;

        bool operator==(const PromelaTypedef& other) const {
            return name == other.name;
        }

    };

    PromelaCodeAnalyzer() : _eventTrie(".") {}

    void analyze(ChartToPromela* interpreter);

    void addCode(const std::string& code, ChartToPromela* interpreter);
    void addLiteral(const std::string& stateName, int forceIndex = -1);

    bool usesComplexEventStruct() {
        return _typeDefs.types.find("_event") != _typeDefs.types.end() && _typeDefs.types["_event"].types.size() > 0;
    }
    bool usesEventField(const std::string& fieldName) {
        if (usesComplexEventStruct() && _typeDefs.types["_event"].types.find(fieldName) != _typeDefs.types["_event"].types.end())
            return true;
        return false;
    }
    bool usesCancel(const std::string& elementName) {
        return _usesCancel;
    }

    bool usesEventDataField(const std::string& fieldName) {
        if (usesComplexEventStruct() &&
                _typeDefs.types["_event"].types.find("data") != _typeDefs.types["_event"].types.end() &&
                _typeDefs.types["_event"].types["data"].types.find(fieldName) != _typeDefs.types["_event"].types["data"].types.end())
            return true;
        return false;
    }

    size_t largestDelay = 0;

    std::string getTypeAssignment(const std::string& varTo, const std::string& varFrom, const PromelaTypedef& type, size_t indent = 0);
    std::string getTypeReset(const std::string& var, const PromelaTypedef& type, size_t indent = 0);

    bool usesInPredicate() {
        return _usesInPredicate;
    }
    void usesInPredicate(bool value) {
        _usesInPredicate = value;
    }
    bool usesPlatformVars() {
        return _usesPlatformVars;
    }

    bool hasIndexLessLoops() {
        return _hasIndexLessLoops;
    }

    std::string macroForLiteral(const std::string& literal);
    int indexForLiteral(const std::string& literal);

    std::set<std::string> getLiterals() {
        return _literals;
    }
    std::set<std::string> getEventsWithPrefix(const std::string& prefix);

    Trie& getTrie() {
        return _eventTrie;
    }

    std::string adaptCode(const std::string& code, const std::string& prefix);

    static std::string prefixIdentifiers(const std::string& expr, const std::string& prefix);
    static std::list<std::pair<size_t, size_t> > getTokenPositions(const std::string& expr, int type, PromelaParserNode* ast);

    PromelaTypedef& getTypes() {
        return _typeDefs;
    }

    PromelaTypedef& getType(const std::string& typeName) {
        return _typeDefs.types.at(typeName);
    }

    std::string sanitizeCode(const std::string& code);
    void addEvent(const std::string& eventName);
    std::string createMacroName(const std::string& literal);

protected:
    void addState(const std::string& stateName, size_t index);

    int enumerateLiteral(const std::string& literal, int forceIndex = -1);

    std::map<std::string, std::string> _strMacros;  // macronames for string literals
    std::map<std::string, int> _strIndex;               // integer enumeration for string
    std::set<std::string> _literals;

    PromelaTypedef _typeDefs;
    Trie _eventTrie;

private:
    std::set<std::string> _macroNameSet; // helper set for uniqueness of macros
    int _lastStrIndex = 1;
    bool _usesCancel = false;
    bool _usesInPredicate = false;
    bool _usesPlatformVars = false;
    bool _hasIndexLessLoops = false;
};



}

#endif /* end of include guard: PROMELACODEANALYZER_H_E89FF519 */