/// <exception cref="ArgumentException">
/// <para>
/// If <paramref name="accessedExpression" />.Type is not <see cref="LSLType.Vector" /> or
/// <see cref="LSLType.Rotation" />.
/// </para>
/// <para>
/// Or <paramref name="context" />.member.Text is not one of: "x", "y", "z" or "s".
/// </para>
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="context" /> or <paramref name="accessedExpression" /> is
/// <c>null</c>.
/// </exception>
internal LSLTupleAccessorNode(LSLParser.DotAccessorExprContext context, ILSLExprNode accessedExpression)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (accessedExpression == null)
{
throw new ArgumentNullException("context");
}
if (accessedExpression.Type != LSLType.Vector && accessedExpression.Type != LSLType.Rotation)
{
throw new ArgumentException("accessedExpression.Type can only be LSLType.Vector or LSLType.Rotation");
}
if (!Utility.EqualsOneOf(context.member.Text, "x", "y", "z", "s"))
{
throw new ArgumentException("context.member.Text is not x, y, z or s.", "context");
}
AccessedComponent = context.member.Text;
SourceRangeAccessedComponent = new LSLSourceCodeRange(context.member);
AccessedExpression = accessedExpression;
AccessedExpression.Parent = this;
SourceRange = new LSLSourceCodeRange(context);
SourceRangesAvailable = true;
}
/// <summary>
/// Exit a parse tree produced by <see cref="LSLParser.dotAccessorExpr"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitDotAccessorExpr([NotNull] LSLParser.DotAccessorExprContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="LSLParser.dotAccessorExpr"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitDotAccessorExpr([NotNull] LSLParser.DotAccessorExprContext context)
{
return(VisitChildren(context));
}
