120 lines
3.3 KiB
TypeScript
120 lines
3.3 KiB
TypeScript
/*
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* Verrückte Turing-Maschinen — A turing complete game
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* Copyright (C) 2016 Christian Fraß <vidofnir@folksprak.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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module mod_vtm
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{
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export module mod_helfer
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{
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export module mod_hashmap
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{
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export type typ_hashmap<typ_schluessel, typ_wert> =
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{
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hashfunction : (schluessel : typ_schluessel)=>string;
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speicher : {[hashwert : string] : {schluessel : typ_schluessel; wert : typ_wert;}};
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}
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;
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function erstellen<typ_schluessel, typ_wert>
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(
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hashfunction : (schluessel : typ_schluessel)=>string
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)
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: typ_hashmap<typ_schluessel, typ_wert>
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{
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return {
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"hashfunction": hashfunction,
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"speicher": {},
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};
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function setzen<typ_schluessel, typ_wert>
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(
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hashmap : typ_hashmap<typ_schluessel, typ_wert>,
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schluessel : typ_schluessel,
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wert : typ_wert
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)
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: void
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{
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let hashwert : string = hashmap.hashfunction(schluessel);
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hashmap.speicher[hashwert] = {"schluessel": schluessel, "wert": wert};
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function holen<typ_schluessel, typ_wert>
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(
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hashmap : typ_hashmap<typ_schluessel, typ_wert>,
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schluessel : typ_schluessel
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)
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: lib_fehlermonade.typ_fehlermonade<typ_wert>
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{
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let hashwert : string = hashmap.hashfunction(schluessel);
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if (hashwert in hashmap.speicher)
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{
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let wert : typ_wert = hashmap.speicher[hashwert].wert;
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return (lib_fehlermonade.mod_schlicht.erstellen<typ_wert>(wert));
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}
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else
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{
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return (lib_fehlermonade.mod_nichts.erstellen<typ_wert>());
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}
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}
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/**
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* @author kcf <vidofnir@folksprak.org>
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*/
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export function iterieren<typ_schluessel, typ_wert>
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(
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hashmap : typ_hashmap<typ_schluessel, typ_wert>,
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prozedur : (schluessel ?: typ_schluessel, wert ?: typ_wert)=>void
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)
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: void
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{
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Object.keys(hashmap.speicher).forEach
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(
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(hashwert) =>
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{
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let paar : {schluessel : typ_schluessel; wert : typ_wert;} = hashmap.speicher[hashwert];
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prozedur(paar.schluessel, paar.wert);
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}
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)
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;
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}
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}
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}
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}
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