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/*
* IntegerConstantExpression.cpp
*
* Created on: 10.06.2013
* Author: Christian Dehnert
*/
#include <sstream>
#include "IntegerConstantExpression.h"
namespace storm {
namespace ir {
namespace expressions {
IntegerConstantExpression::IntegerConstantExpression(std::string const& constantName) : ConstantExpression(int_, constantName), value(0), defined(false) {
// Nothing to do here.
}
std::shared_ptr<BaseExpression> IntegerConstantExpression::clone(std::map<std::string, std::string> const& renaming, storm::parser::prism::VariableState const& variableState) const {
return std::shared_ptr<BaseExpression>(new IntegerConstantExpression(*this));
}
int_fast64_t IntegerConstantExpression::getValueAsInt(std::pair<std::vector<bool>, std::vector<int_fast64_t>> const* variableValues) const {
if (!defined) {
throw storm::exceptions::ExpressionEvaluationException() << "Cannot evaluate expression: "
<< "Integer constant '" << this->getConstantName() << "' is undefined.";
} else {
return value;
}
}
void IntegerConstantExpression::accept(ExpressionVisitor* visitor) {
visitor->visit(this);
}
std::string IntegerConstantExpression::toString() const {
std::stringstream result;
result << this->getConstantName();
if (defined) {
result << "[" << value << "]";
}
return result.str();
}
bool IntegerConstantExpression::isDefined() const {
return defined;
}
int_fast64_t IntegerConstantExpression::getValue() const {
return value;
}
void IntegerConstantExpression::define(int_fast64_t value) {
defined = true;
this->value = value;
}
} // namespace expressions
} // namespace ir
} // namespace storm