PorygonLang/src/Evaluator/Evaluator.hpp

81 lines
4.2 KiB
C++

#ifndef PORYGONLANG_EVALUATOR_HPP
#define PORYGONLANG_EVALUATOR_HPP
#include <string>
#include "../Binder/BoundStatements/BoundStatement.hpp"
#include "EvalValues/EvalValue.hpp"
#include "EvalValues/NumericEvalValue.hpp"
#include "EvalValues/StringEvalValue.hpp"
#include "EvalValues/StringEvalValue.hpp"
#include "EvalValues/ScriptFunctionEvalValue.hpp"
#include "EvaluationScope/EvaluationScope.hpp"
using namespace std;
namespace Porygon::Evaluation{
class Evaluator {
shared_ptr<const EvalValue> _returnValue;
map<Utilities::HashedString, shared_ptr<const EvalValue>>* _scriptVariables;
bool _hasReturned;
bool _hasBroken;
shared_ptr<const EvalValue> _lastValue;
//Porygon::Script* _scriptData;
shared_ptr<EvaluationScope> _evaluationScope;
void EvaluateStatement(const BoundStatement* statement);
void EvaluateBlockStatement(const BoundBlockStatement *statement);
void EvaluateExpressionStatement(const BoundExpressionStatement* statement);
void EvaluateAssignmentStatement(const BoundAssignmentStatement* statement);
void EvaluateIndexAssignmentStatement(const BoundIndexAssignmentStatement* statement);
void EvaluateFunctionDeclarationStatement(const BoundFunctionDeclarationStatement *statement);
void EvaluateReturnStatement(const BoundReturnStatement *statement);
void EvaluateConditionalStatement(const BoundConditionalStatement *statement);
void EvaluateNumericalForStatement(const BoundNumericalForStatement *statement);
void EvaluateGenericForStatement(const BoundGenericForStatement *statement);
void EvaluateWhileStatement(const BoundWhileStatement *statement);
shared_ptr<const EvalValue> EvaluateExpression(const BoundExpression *expression);
shared_ptr<const NumericEvalValue> EvaluateIntegerExpression(const BoundExpression *expression);
shared_ptr<const BooleanEvalValue> EvaluateBoolExpression(const BoundExpression *expression);
shared_ptr<const StringEvalValue> EvaluateStringExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluateFunctionExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluateNilExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluateTableExpression(const BoundExpression *expression);
shared_ptr<const NumericEvalValue> EvaluateIntegerBinary(const BoundBinaryExpression *expression);
shared_ptr<const BooleanEvalValue> EvaluateBooleanBinary(const BoundBinaryExpression *expression);
shared_ptr<const StringEvalValue> EvaluateStringBinary(const BoundBinaryExpression *expression);
shared_ptr<const NumericEvalValue> EvaluateIntegerUnary(const BoundUnaryExpression *expression);
shared_ptr<const BooleanEvalValue> EvaluateBooleanUnary(const BoundUnaryExpression *expression);
shared_ptr<const EvalValue> EvaluateFunctionCallExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluateIndexExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluatePeriodIndexExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluateNumericTableExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluateUserDataExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> EvaluateComplexTableExpression(const BoundExpression *expression);
shared_ptr<const EvalValue> GetVariable(const BoundVariableExpression *expression);
public:
explicit Evaluator(map<Utilities::HashedString, shared_ptr<const EvalValue>>* scriptVariables)
: _scriptVariables(scriptVariables), _hasReturned(false), _hasBroken(false), _returnValue(nullptr),
_evaluationScope(nullptr){
}
const EvalValue* Evaluate(const BoundScriptStatement* statement);
shared_ptr<const EvalValue> EvaluateFunction(const GenericFunctionEvalValue *function,
const vector<EvalValue *> &parameters);
inline const EvalValue* GetLastValue(){
return _lastValue.get();
}
};
}
#endif //PORYGONLANG_EVALUATOR_HPP