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#
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# Benches on the substring operation on variants of Text
module utf_substr_bench

import opts
import string_experimentations::utf8_noindex

fun bench_flatstr(nb_cct: Int, loops: Int, strlen: Int)
do
	var a = "a" * strlen
	var x = a
	for i in [0 .. nb_cct] do x += a
	var cnt = 0
	while cnt != loops do
		x.substring(0,5)
		cnt += 1
	end
end

var opts = new OptionContext
var nb_ccts = new OptionInt("Number of concatenations done to the string (in the case of the rope, this will increase its depth)", -1, "--ccts")
var loops = new OptionInt("Number of loops to be done", -1, "--loops")
var strlen = new OptionInt("Length of the base string", -1, "--strlen")
opts.add_option(nb_ccts, loops, strlen)

opts.parse(args)

if nb_ccts.value == -1 or loops.value == -1 or strlen.value == -1 then
	opts.usage
	exit(-1)
end

bench_flatstr(nb_ccts.value, loops.value, strlen.value)