trace_calls {covr}

R Documentation

trace each call with a srcref attribute

Description

This function calls itself recursively so it can properly traverse the AST.

Usage

trace_calls(x, parent_functions = NULL, parent_ref = NULL)

Arguments

x	the call
parent_functions	the functions which this call is a child of.
parent_ref	argument used to set the srcref of the current call during the recursion.

Value

a modified expression with count calls inserted before each previous call.

See Also

http://adv-r.had.co.nz/Expressions.html

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