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Flag Every Call to a Named Function

Source: R/ast.R
undesirable_function_check.Rd

The "flag any call to function X" pattern, checktor's analogue of lintr::undesirable_function_linter(). Member-access calls (obj$fn(...), obj@fn(...)) are excluded, so only a genuine call to the bare function matches.

Usage

undesirable_function_check(parsed, funs, label = TRUE)

Arguments

parsed

A parsed-sources list from read_r_xml().

funs

Character vector of function names to flag.

label

Logical. If TRUE (default), each hit is suffixed with the matched function name in parentheses.

Value

A character vector of "basename:line" strings.

See also

xpath_lints(), not_under_fn_with_call_xpath().

Examples

pkg <- example_diagnose_scenario("code_examples/browser_calls_bad.R",
                                 show_content = FALSE)
parsed <- read_r_xml(pkg)
undesirable_function_check(parsed, c("browser", "install.packages"))
#> [1] "browser_calls_bad.R:6 (browser())"  "browser_calls_bad.R:11 (browser())"
#> [3] "browser_calls_bad.R:23 (browser())"