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2.8 KiB

/*
* UnaryBooleanFunctionExpression.cpp
*
* Created on: 10.06.2013
* Author: Christian Dehnert
*/
#include <sstream>
#include "UnaryBooleanFunctionExpression.h"
namespace storm {
namespace ir {
namespace expressions {
UnaryBooleanFunctionExpression::UnaryBooleanFunctionExpression(std::unique_ptr<BaseExpression>&& child, FunctionType functionType) : UnaryExpression(bool_, std::move(child)), functionType(functionType) {
// Nothing to do here.
}
UnaryBooleanFunctionExpression::UnaryBooleanFunctionExpression(UnaryBooleanFunctionExpression const& unaryBooleanFunctionExpression) : UnaryExpression(unaryBooleanFunctionExpression), functionType(unaryBooleanFunctionExpression.functionType) {
// Nothing to do here.
}
std::unique_ptr<BaseExpression> UnaryBooleanFunctionExpression::clone() const {
return std::unique_ptr<BaseExpression>(new UnaryBooleanFunctionExpression(this->getChild()->clone(), functionType));
}
std::unique_ptr<BaseExpression> UnaryBooleanFunctionExpression::clone(std::map<std::string, std::string> const& renaming, storm::parser::prism::VariableState const& variableState) const {
return std::unique_ptr<BaseExpression>(new UnaryBooleanFunctionExpression(this->getChild()->clone(renaming, variableState), this->functionType));
}
UnaryBooleanFunctionExpression::FunctionType UnaryBooleanFunctionExpression::getFunctionType() const {
return functionType;
}
bool UnaryBooleanFunctionExpression::getValueAsBool(std::pair<std::vector<bool>, std::vector<int_fast64_t>> const* variableValues) const {
bool resultChild = this->getChild()->getValueAsBool(variableValues);
switch(functionType) {
case NOT: return !resultChild; break;
default: throw storm::exceptions::ExpressionEvaluationException() << "Cannot evaluate expression: "
<< "Unknown boolean unary operator: '" << functionType << "'.";
}
}
void UnaryBooleanFunctionExpression::accept(ExpressionVisitor* visitor) {
visitor->visit(this);
}
std::string UnaryBooleanFunctionExpression::toString() const {
std::stringstream result;
switch (functionType) {
case NOT: result << "!"; break;
}
result << "(" << this->getChild()->toString() << ")";
return result.str();
}
} // namespace expressions
} // namespace ir
} // namespace storm