/// <summary>
/// Visits the declaration node of a user defined function during syntax tree traversal.
/// </summary>
/// <param name="node">The Syntax Tree Node.</param>
/// <returns>An object of type (T) from the visitor implementation of this function.</returns>
public virtual T VisitFunctionDeclaration(ILSLFunctionDeclarationNode node)
{
Visit(node.ParameterList);
Visit(node.Code);
return(default(T));
}
/// <summary>
/// Build a <see cref="LSLFunctionSignature" /> object based off the signature of this function declaration node.
/// </summary>
/// <param name="functionDeclarationNode">The <see cref="ILSLFunctionDeclarationNode"/>.</param>
/// <returns>The created <see cref="LSLFunctionSignature" />.</returns>
/// <exception cref="ArgumentNullException"><paramref name="functionDeclarationNode"/> is <see langword="null" />.</exception>
public static LSLFunctionSignature CreateSignature(this ILSLFunctionDeclarationNode functionDeclarationNode)
{
if (functionDeclarationNode == null)
{
throw new ArgumentNullException("functionDeclarationNode");
}
return(new LSLFunctionSignature(functionDeclarationNode.ReturnType, functionDeclarationNode.Name,
functionDeclarationNode.ParameterList.Parameters.Select(x => new LSLParameterSignature(x.Type, x.Name, false))));
}
void ILSLSyntaxWarningListener.FunctionNeverUsed(LSLSourceCodeRange location,
ILSLFunctionDeclarationNode functionDeclarationNode)
{
_warningActionQueue.Enqueue(location.StartIndex,
() => SyntaxWarningListener.FunctionNeverUsed(location, functionDeclarationNode));
}
/// <summary>
/// A user defined function was never referenced.
/// </summary>
/// <param name="location">The location in the source code of the function that was never referenced.</param>
/// <param name="functionDeclarationNode">The function declaration node of the un-referenced function.</param>
public virtual void FunctionNeverUsed(LSLSourceCodeRange location,
ILSLFunctionDeclarationNode functionDeclarationNode)
{
OnWarning(location, string.Format("Function \"{0}\" was never used.", functionDeclarationNode.Name));
}
