/// <summary>
/// Gets the first occurrance of a node type in the AST.
/// </summary>
/// <param name="nodeType">The node type to look for.</param>
/// <returns>A <see cref="SyntaxNode"/>.</returns>
public SyntaxNode LocateFirst(Type nodeType)
{
ValidateInputType(nodeType);
List<SyntaxNode> nodes = new List<SyntaxNode>();
var astExecutor = new ASTWalkerNodeTypeOperationExecutor(this.Root, nodeType, (node) => nodes.Add(node));
astExecutor.Start();
return nodes.Count > 0 ? nodes[0] : null;
}
/// <summary>
/// Gets all occurrances of a node type in the AST.
/// </summary>
/// <param name="nodeType">The node type to look for.</param>
/// <returns>A <see cref="SyntaxNode"/>.</returns>
public IEnumerable<SyntaxNode> LocateAll(Type nodeType)
{
ValidateInputType(nodeType);
List<SyntaxNode> nodes = new List<SyntaxNode>();
var astExecutor = new ASTWalkerNodeTypeOperationExecutor(this.Root, nodeType, (node) => nodes.Add(node));
astExecutor.Start();
return nodes.ToArray();
}