using System;

namespace AspClassic.Parser;

/// <summary>
/// A parse tree for an intrinsic conversion expression.
/// </summary>
public sealed class IntrinsicCastExpression : UnaryExpression
{
	private readonly IntrinsicType _IntrinsicType;

	private readonly Location _LeftParenthesisLocation;

	private readonly Location _RightParenthesisLocation;

	/// <summary>
	/// The intrinsic type conversion.
	/// </summary>
	public IntrinsicType IntrinsicType => _IntrinsicType;

	/// <summary>
	/// The location of the '('.
	/// </summary>
	public Location LeftParenthesisLocation => _LeftParenthesisLocation;

	/// <summary>
	/// The location of the ')'.
	/// </summary>
	public Location RightParenthesisLocation => _RightParenthesisLocation;

	/// <summary>
	/// Constructs a new parse tree for an intrinsic conversion expression.
	/// </summary>
	/// <param name="intrinsicType">The intrinsic type conversion.</param>
	/// <param name="leftParenthesisLocation">The location of the '('.</param>
	/// <param name="operand">The expression to convert.</param>
	/// <param name="rightParenthesisLocation">The location of the ')'.</param>
	/// <param name="span">The location of the parse tree.</param>
	public IntrinsicCastExpression(IntrinsicType intrinsicType, Location leftParenthesisLocation, Expression operand, Location rightParenthesisLocation, Span span)
		: base(TreeType.IntrinsicCastExpression, operand, span)
	{
		if (intrinsicType < IntrinsicType.Boolean || intrinsicType > IntrinsicType.Object)
		{
			throw new ArgumentOutOfRangeException("intrinsicType");
		}
		if (operand == null)
		{
			throw new ArgumentNullException("operand");
		}
		_IntrinsicType = intrinsicType;
		_LeftParenthesisLocation = leftParenthesisLocation;
		_RightParenthesisLocation = rightParenthesisLocation;
	}
}