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Compute maximum AST nesting depth

Source: R/ast-walk.R
ast_depth.Rd

Compute maximum AST nesting depth

Usage

ast_depth(expr, depth = 0L)

Arguments

expr

A language object.

depth

Integer. Current depth (internal).

Value

Integer. Maximum nesting depth.

Examples

expr <- parse_code("f(g(h(1)))")[[1]]
ast_depth(expr)
#> [1] 3

expr2 <- parse_code("x <- 1")[[1]]
ast_depth(expr2)
#> [1] 1