//
// Cforall Version 1.0.0 Copyright (C) 2015 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// LabelGenerator.cc --
//
// Author           : Rodolfo G. Esteves
// Created On       : Mon May 18 07:44:20 2015
// Last Modified By : Andrew Beach
// Last Modified On : Thr Aug 14 14:14:00 2015
// Update Count     : 14
//

#include <iostream>             // for operator<<, basic_ostream
#include <sstream>              // for ostringstream
#include <list>                 // for list

#include "LabelGenerator.h"
#include "SynTree/Attribute.h"  // for Attribute
#include "SynTree/Label.h"      // for Label, operator<<
#include "SynTree/Statement.h"  // for Statement

namespace ControlStruct {
	LabelGenerator *LabelGenerator::labelGenerator = 0;

	LabelGenerator *LabelGenerator::getGenerator() {
		if ( LabelGenerator::labelGenerator == 0 )
			LabelGenerator::labelGenerator = new LabelGenerator();

		return labelGenerator;
	}

	Label LabelGenerator::newLabel( std::string suffix, Statement * stmt ) {
		std::ostringstream os;
		os << "__L" << current++ << "__" << suffix;
		if ( stmt && ! stmt->get_labels().empty() ) {
			os << "_" << stmt->get_labels().front() << "__";
		}
		std::string ret = os.str();
		Label l( ret );
		l.get_attributes().push_back( new Attribute("unused") );
		return l;
	}
} // namespace ControlStruct

// Local Variables: //
// tab-width: 4 //
// mode: c++ //
// compile-command: "make install" //
// End: //