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These are advanced functions that return information about the internal parse states.

  • node_parse_state() returns the parse state of the current node.

  • node_next_parse_state() returns the parse state after this node.

See language_next_state() for more information.

Usage

node_parse_state(x)

node_next_parse_state(x)

Arguments

x

[tree_sitter_node]

A node.

Value

A single integer representing a parse state.

Examples

language <- treesitter.r::language()
parser <- parser(language)

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

node <- node_child(node, 1)

# Parse states are grammar dependent
node_parse_state(node)
#> [1] 1
node_next_parse_state(node)
#> [1] 2018