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#include "diagram/scope.h"
using namespace samb;
/* Scope::iterator */
Scope::iterator::iterator(Statement::pointer statement) :
_current(statement)
{
}
Scope::iterator::~iterator()
{
}
Scope::iterator& Scope::iterator::operator++()
{
if (_current->next() == nullptr)
{
// TODO: remove throw
throw std::logic_error("Statement::iterator::operator++() m_current->next() is nullptr");
}
_current = _current->next();
return *this;
}
Scope::iterator& Scope::iterator::operator++(int)
{
static Scope::iterator old(*this);
old = *this;
operator++();
return old;
}
Statement& Scope::iterator::operator*() const
{
if (_current == nullptr)
{
throw std::logic_error("Statement::iterator::operator*() m_current is nullptr");
}
return *_current;
}
Statement::pointer Scope::iterator::operator->() const
{
return _current;
}
/* Scope */
Scope::Scope(const QString &label) :
Statement(Statement::Type::SCOPE, label, nullptr),
_head(nullptr), _tail(nullptr)
{
}
Scope::Scope(const QString &label, Statement::pointer first) :
Statement(Statement::Type::SCOPE, label, first),
_head(first), _tail(first)
{
}
Scope::~Scope() {
}
Scope::iterator Scope::insert_after(Scope::iterator it, Statement::pointer statement)
{
if (statement == nullptr)
{
throw std::invalid_argument("Statement::insert_after() cannot insert nullptr");
}
statement->next(it->next());
it->next(statement);
_size++;
return it;
}
Scope::iterator Scope::erase_after(Scope::iterator it)
{
if (it->next() == nullptr)
{
return end();
}
it->next(it->next()->next());
return it;
}
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