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using peg
using util
class FileExample : AbstractMain
@Arg { help="grammar text file" }
File? g
@Arg { help="input file" }
File? in
@Opt { help="how many times to parse" }
Int n := 1
@Opt { help="uses list handler (NullHandler is used otherwise)" }
Bool list := false
override Int run() {
grammar := Grammar.fromStr(g.readAllStr)
input := in.mmap
m := Match.unknown
echo("Preparation finished")
start :=
n.times {
h := list ? ListHandler() : NullHandler()
echo("Handler type: $h.typeof")
p := Parser(grammar, h).run(input)
m = p.match
d := - start
echo("Match: $m")
echo("Duration: $d.toLocale (${d.toMillis}ms)")
return 0