50 lines
2.3 KiB

#include "src/storage/prism/Constant.h"
#include "src/utility/macros.h"
#include "src/exceptions/IllegalFunctionCallException.h"
namespace storm {
namespace prism {
Constant::Constant(storm::expressions::Variable const& variable, storm::expressions::Expression const& expression, std::string const& filename, uint_fast64_t lineNumber) : LocatedInformation(filename, lineNumber), variable(variable), defined(true), expression(expression) {
// Intentionally left empty.
}
Constant::Constant(storm::expressions::Variable const& variable, std::string const& filename, uint_fast64_t lineNumber) : LocatedInformation(filename, lineNumber), variable(variable), defined(false), expression() {
// Intentionally left empty.
}
std::string const& Constant::getName() const {
return this->variable.getName();
}
storm::expressions::Type const& Constant::getType() const {
return this->getExpressionVariable().getType();
}
storm::expressions::Variable const& Constant::getExpressionVariable() const {
return this->variable;
}
bool Constant::isDefined() const {
return this->defined;
}
storm::expressions::Expression const& Constant::getExpression() const {
STORM_LOG_THROW(this->isDefined(), storm::exceptions::IllegalFunctionCallException, "Unable to retrieve defining expression for undefined constant.");
return this->expression;
}
Constant Constant::substitute(std::map<storm::expressions::Variable, storm::expressions::Expression> const& substitution) const {
return Constant(variable, this->getExpression().substitute(substitution), this->getFilename(), this->getLineNumber());
}
std::ostream& operator<<(std::ostream& stream, Constant const& constant) {
stream << "const " << constant.getExpressionVariable().getType() << " ";
stream << constant.getName();
if (constant.isDefined()) {
stream << " = " << constant.getExpression();
}
stream << ";";
return stream;
}
} // namespace prism
} // namespace storm