/******************************************************************************/
/* ABSTRACT SYNTAX TREE - INLINE CODE******************************************/
/******************************************************************************/

#ifndef _H_EBCL_INLINE_SYNTAXTREE
#define _H_EBCL_INLINE_SYNTAXTREE
#include <ebcl/SyntaxTree.hh>
namespace ebcl {


/*= T_SyntaxTree =============================================================*/

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >::T_Node::T_Node(
		T_Self const& tree ,
		const uint32_t node ) noexcept
	: tree{ tree } , node{ node }
{
	// EMPTY
}

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >::T_Node::T_Node(
		T_Node const& other ) noexcept
	: tree{ other.tree } , node{ other.node }
{
	// EMPTY
}

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >::T_Node::T_Node(
		T_Node&& other ) noexcept
	: T_Node( other )
{
	// EMPTY
}

template< typename T , typename L , size_t S >
typename T_SyntaxTree< T , L , S >::T_Node& T_SyntaxTree< T , L , S >::T_Node::operator =(
		T_SyntaxTree< T , L , S >::T_Node const& other ) noexcept
{
	assert( &other.tree == &tree );
	node = other.node;
	return *this;
}

template< typename T , typename L , size_t S >
typename T_SyntaxTree< T , L , S >::T_Node& T_SyntaxTree< T , L , S >::T_Node::operator =(
		T_SyntaxTree< T , L , S >::T_Node&& other ) noexcept
{
	assert( &other.tree == &tree );
	node = other.node;
	return *this;
}

/*----------------------------------------------------------------------------*/

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >::T_Node_::T_Node_(
		const T nodeType ,
		const uint32_t parent ) noexcept
	: type{ nodeType } , parent{ parent } , location{ }
{
	// EMPTY
}

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >::T_Node_::T_Node_(
		T_Node_&& other ) noexcept
	: type{ other.type } , parent{ other.parent } ,
		location{ other.location } ,
		children{ std::move( other.children ) } ,
		data{ std::move( other.data ) }
{
	// EMPTY
}

template< typename T , typename L , size_t S >
typename T_SyntaxTree< T , L , S >::T_Node_& T_SyntaxTree< T , L , S >::T_Node_::operator =(
		T_Node_&& other ) noexcept
{
	type = other.type;
	parent = other.parent;
	location = other.location;
	children = std::move( other.children );
	data = std::move( other.data );
	return *this;
}

/*----------------------------------------------------------------------------*/

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >::T_SyntaxTree(
		const T rootType ) noexcept
	: nodes_( 64 )
{
	nodes_.addNew( rootType , 0 );
}

/*----------------------------------------------------------------------------*/

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >::T_SyntaxTree(
		T_SyntaxTree< T , L , S >&& other ) noexcept
	: nodes_{ std::move( other.nodes_ ) }
{
	// EMPTY
}

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >& T_SyntaxTree< T , L , S >::operator =(
		T_SyntaxTree< T , L , S >&& other ) noexcept
{
	nodes_ = std::move( other.nodes_ );
	return *this;
}

/*----------------------------------------------------------------------------*/

template< typename T , typename L , size_t S >
T_SyntaxTree< T , L , S >& T_SyntaxTree< T , L , S >::swap(
		T_SyntaxTree< T , L , S >& other ) noexcept
{
	using std::swap;
	swap( nodes_ , other.nodes_ );
	return *this;
}

template< typename T , typename L , size_t S >
void swap( T_SyntaxTree< T , L , S >& lhs ,
		T_SyntaxTree< T , L , S >& rhs ) noexcept
{
	lhs.swap( rhs );
}

/*----------------------------------------------------------------------------*/

template< typename T , typename L , size_t S >
T T_SyntaxTree< T , L , S >::typeOf(
		const uint32_t node ) const noexcept
{
	return nodes_[ node ].type;
}

template< typename T , typename L , size_t S >
uint32_t T_SyntaxTree< T , L , S >::parentOf(
		const uint32_t node ) const noexcept
{
	return nodes_[ node ].parent;
}

template< typename T , typename L , size_t S >
T_AutoArray< uint32_t , 8 > const& T_SyntaxTree< T , L , S >::childrenOf(
	const uint32_t node ) const noexcept
{
	return nodes_[ node ].children;
}

template< typename T , typename L , size_t S >
bool T_SyntaxTree< T , L , S >::hasData(
		const uint32_t node ) const noexcept
{
	return bool( nodes_[ node ].data );
}

template< typename T , typename L , size_t S >
template< typename D >
D const& T_SyntaxTree< T , L , S >::dataOf(
		const uint32_t node ) const
{
	return nodes_[ node ].data.template value< D >( );
}

template< typename T , typename L , size_t S >
L const& T_SyntaxTree< T , L , S >::locationOf(
		const uint32_t node ) const noexcept
{
	return nodes_[ node ].location;
}

/*----------------------------------------------------------------------------*/

template< typename T , typename L , size_t S >
uint32_t T_SyntaxTree< T , L , S >::addChild(
		const uint32_t parent ,
		const E_Node type ) noexcept
{
	T_Node_ node{ type , parent };
	const auto idx{ nodes_.add( std::move( node ) ) };
	assert( idx != parent );
	nodes_[ parent ].children.add( idx );
	return idx;
}

template< typename T , typename L , size_t S >
template< typename D , typename ... ArgTypes >
D& T_SyntaxTree< T , L , S >::newData(
		const uint32_t node ,
		ArgTypes&& ... args )
{
	auto& data{ nodes_[ node ].data };
	data.template setNew< D >( std::forward< ArgTypes >( args ) ... );
	return data.template value< D >( );
}

template< typename T , typename L , size_t S >
template< typename D >
D& T_SyntaxTree< T , L , S >::dataOf(
		const uint32_t node )
{
	return nodes_[ node ].data.template value< D >( );
}

template< typename T , typename L , size_t S >
L& T_SyntaxTree< T , L , S >::locationOf(
		const uint32_t node ) noexcept
{
	return nodes_[ node ].location;
}

/*----------------------------------------------------------------------------*/

template< typename T , typename L , size_t S >
typename T_SyntaxTree< T , L , S >::T_Visitor T_SyntaxTree< T , L , S >::visitor( ) const noexcept
{
	return T_Visitor{
		[this]( T_Node node , uint32_t child ) -> T_Optional< T_Node > {
			auto const& n{ nodes_[ node.node ] };
			if ( child >= n.children.size( ) ) {
				return {};
			}
			return T_Node{ node.tree , n.children[ child ] };
		}
	};
}

template< typename T , typename L , size_t S >
typename T_SyntaxTree< T , L , S >::T_Node T_SyntaxTree< T , L , S >::root( ) const noexcept
{
	return T_Node{ *this , 0 };
}


} // namespace
#endif // _H_EBCL_INLINE_SYNTAXTREE