import io:*
import grammer:*
import lexer:*
import string:*
import util:*
import symbol:*

fun main():int {

    /*var a = load_grammer(read_file(string("../krakenGrammer.kgm")))*/
    /*var a = load_grammer(read_file(string("grammer.kgm")))*/
    var a = load_grammer(read_file(string("grammer2.kgm")))
    println(a.to_string())
    var doFirstSet = fun() {
        a.calculate_first_set()
        println("///////////////////START FIRST SET/////////////")
        println("//TERMINALS//")
        a.terminals.for_each( fun(terminal: util::pair<symbol::symbol, regex::regex>) {
            var set_str = string::string("{ ")
            a.first_set_map[terminal.first].for_each( fun(sym: symbol::symbol) {
                set_str += sym.to_string() + ", "
            })
            set_str += "}"
            print(terminal.first.to_string() + " first: " + set_str + "\n")
        })
        println("//NON TERMINALS//")
        a.non_terminals.for_each( fun(non_terminal: symbol::symbol) {
            var set_str = string::string("{ ")
            a.first_set_map[non_terminal].for_each( fun(sym: symbol::symbol) {
                set_str += sym.to_string() + ", "
            })
            set_str += "}"
            print(non_terminal.to_string() + " first: " + set_str + "\n")
            println()
        })
        println("///////////////////END FIRST SET/////////////")
    }
    doFirstSet()

    var lex = lexer(a.terminals)

   /*lex.set_input(read_file(string("test_grammer.krak")))*/
    /*lex.set_input(string("ccdahas spacedhas*/
/*returndaaaaaaaaaaaaaa"))*/
    lex.set_input(string("hibyed"))
    println("woo lexing:")
    range(8).for_each(fun(i: int) { println(lex.next().to_string()); } )
    /*range(80).for_each(fun(i: int) { println(lex.next().to_string()); } )*/
    return 0
}