kraken/tests/test_grammer.krak

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")))
    println(a.to_string())
    /*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/////////////")

    var lex = lexer(a.terminals)

    /*lex.set_input(read_file(string("test_grammer.krak")))*/
    lex.set_input(string("ccdahas spacedhas
returndaaaaaaaaaaaaaa"))
    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
}