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#ifndef DIAGRAM_SCOPE_H
#define DIAGRAM_SCOPE_H
#include "diagram/statement.h"
#include <QString>
namespace samb {
/* The Scope is a forward-iterable object that contains statements.
* A scope is also a valid type of statement.
*
* The Scope object is used inside other complex types of statements such as
* BranchStatement or a IteratorStatement, to hold the statements within their
* scope.
*/
class Scope : public Statement
{
public:
class iterator {
public:
explicit iterator(pointer statement);
~iterator();
iterator& operator++();
iterator& operator++(int);
Statement& operator*() const;
Statement::pointer operator->() const;
private:
Statement::pointer _current;
};
explicit Scope(const QString &label);
Scope(const QString &label, Statement::pointer first);
virtual ~Scope();
iterator insert_after(iterator it, Statement::pointer statement);
iterator erase_after(iterator it);
/* accessors */
std::size_t size() const { return _size; }
/* iterator */
iterator begin() { return iterator(_head); }
iterator end() { return iterator(_tail); }
private:
Statement::pointer _head;
Statement::pointer _tail;
std::size_t _size = 0;
};
} /* namespace samb */
#endif /* SRC_DIAGRAM_SCOPE_HPP_ */
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