treesitter (version 0.3.0)

node_parent: Get a node's parent

Description

node_parent() looks up the tree and returns the current node's parent.

Usage

node_parent(x)

Value

The parent node of x or NULL if there is no parent.

Arguments

x

[tree_sitter_node]

A node.

Examples

if (FALSE) { # rlang::is_installed("treesitter.r")
language <- treesitter.r::language()
parser <- parser(language)

text <- "fn <- function() { 1 + 1 }"
tree <- parser_parse(parser, text)
node <- tree_root_node(tree)

# Parent of a root node is `NULL`
node_parent(node)

node_function <- node |>
  node_child(1) |>
  node_child(3)

node_function

node_parent(node_function)
}