64 lines
2.5 KiB
64 lines
2.5 KiB
#pragma once
|
|
|
|
#include <memory>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
|
|
#include "storm/storage/expressions/ExpressionEvaluatorBase.h"
|
|
|
|
#include "storm/adapters/ExprttkAdapter.h"
|
|
|
|
#include "storm/storage/expressions/ToExprtkStringVisitor.h"
|
|
|
|
#include "storm/storage/expressions/ExprtkCompiledExpression.h"
|
|
|
|
namespace storm {
|
|
namespace expressions {
|
|
template <typename RationalType>
|
|
class ExprtkExpressionEvaluatorBase : public ExpressionEvaluatorBase<RationalType> {
|
|
public:
|
|
ExprtkExpressionEvaluatorBase(storm::expressions::ExpressionManager const& manager);
|
|
|
|
bool asBool(Expression const& expression) const override;
|
|
int_fast64_t asInt(Expression const& expression) const override;
|
|
|
|
void setBooleanValue(storm::expressions::Variable const& variable, bool value) override;
|
|
void setIntegerValue(storm::expressions::Variable const& variable, int_fast64_t value) override;
|
|
void setRationalValue(storm::expressions::Variable const& variable, double value) override;
|
|
|
|
protected:
|
|
typedef double ValueType;
|
|
typedef ExprtkCompiledExpression::CompiledExpressionType CompiledExpressionType;
|
|
|
|
/*!
|
|
* Retrieves a compiled version of the given expression.
|
|
*
|
|
* @param expression The expression that is to be compiled.
|
|
*/
|
|
CompiledExpressionType const& getCompiledExpression(storm::expressions::Expression const& expression) const;
|
|
|
|
// The parser used.
|
|
mutable std::unique_ptr<exprtk::parser<ValueType>> parser;
|
|
|
|
// The symbol table used.
|
|
mutable std::unique_ptr<exprtk::symbol_table<ValueType>> symbolTable;
|
|
|
|
// The actual data that is fed into the expression.
|
|
std::vector<ValueType> booleanValues;
|
|
std::vector<ValueType> integerValues;
|
|
std::vector<ValueType> rationalValues;
|
|
};
|
|
|
|
class ExprtkExpressionEvaluator : public ExprtkExpressionEvaluatorBase<double> {
|
|
public:
|
|
/*!
|
|
* Creates an expression evaluator that is capable of evaluating expressions managed by the given manager.
|
|
*
|
|
* @param manager The manager responsible for the expressions.
|
|
*/
|
|
ExprtkExpressionEvaluator(storm::expressions::ExpressionManager const& manager);
|
|
|
|
double asRational(Expression const& expression) const override;
|
|
};
|
|
}
|
|
}
|