/// <summary>
/// Gets all occurrances of a node type in the AST.
/// </summary>
/// <param name="nodeType">The node type to look for.</param>
/// <param name="recurse">If <c>true</c>, the search process will proceed recursively inside nodes, otherwise only the first level will be inspected.</param>
/// <returns>A <see cref="SyntaxNode"/>.</returns>
public IEnumerable <SyntaxNode> LocateAll(Type nodeType, bool recurse = true)
{
ValidateInputType(nodeType);
List <SyntaxNode> nodes = new List <SyntaxNode>();
var astExecutor = new ASTWalkerNodeTypeOperationExecutor(this.Root, nodeType, (node) => nodes.Add(node), recurse);
astExecutor.Start();
return(nodes.ToArray());
}
/// <summary>
/// Gets the last occurrance of a node type in the AST.
/// </summary>
/// <param name="nodeType">The node type to look for.</param>
/// <param name="recurse">If <c>true</c>, the search process will proceed recursively inside nodes, otherwise only the first level will be inspected.</param>
/// <returns>A <see cref="SyntaxNode"/>.</returns>
public SyntaxNode LocateLast(Type nodeType, bool recurse = true)
{
ValidateInputType(nodeType);
List <SyntaxNode> nodes = new List <SyntaxNode>();
var astExecutor = new ASTWalkerNodeTypeOperationExecutor(this.Root, nodeType, (node) => nodes.Add(node), recurse);
astExecutor.Start();
return(nodes.Count > 0 ? nodes[nodes.Count - 1] : null);
}