mirror of
https://github.com/kanaka/mal.git
synced 2024-11-10 12:47:45 +03:00
382 lines
13 KiB
C#
382 lines
13 KiB
C#
using System;
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using System.IO;
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using System.Collections.Generic;
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using MalVal = Mal.types.MalVal;
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using MalConstant = Mal.types.MalConstant;
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using MalInt = Mal.types.MalInt;
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using MalSymbol = Mal.types.MalSymbol;
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using MalString = Mal.types.MalString;
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using MalList = Mal.types.MalList;
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using MalVector = Mal.types.MalVector;
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using MalHashMap = Mal.types.MalHashMap;
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using MalAtom = Mal.types.MalAtom;
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using MalFunc = Mal.types.MalFunc;
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namespace Mal {
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public class core {
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static MalConstant Nil = Mal.types.Nil;
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static MalConstant True = Mal.types.True;
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static MalConstant False = Mal.types.False;
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// Errors/Exceptions
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static public MalFunc mal_throw = new MalFunc(
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a => { throw new Mal.types.MalException(a[0]); });
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// Scalar functions
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static MalFunc nil_Q = new MalFunc(
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a => a[0] == Nil ? True : False);
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static MalFunc true_Q = new MalFunc(
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a => a[0] == True ? True : False);
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static MalFunc false_Q = new MalFunc(
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a => a[0] == False ? True : False);
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static MalFunc symbol_Q = new MalFunc(
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a => a[0] is MalSymbol ? True : False);
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static MalFunc string_Q = new MalFunc(
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a => {
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if (a[0] is MalString) {
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var s = ((MalString)a[0]).getValue();
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return (s.Length == 0 || s[0] != '\u029e') ? True : False;
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} else {
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return False;
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}
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} );
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static MalFunc keyword = new MalFunc(
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a => {
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if (a[0] is MalString &&
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((MalString)a[0]).getValue()[0] == '\u029e') {
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return a[0];
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} else {
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return new MalString("\u029e" + ((MalString)a[0]).getValue());
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}
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} );
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static MalFunc keyword_Q = new MalFunc(
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a => {
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if (a[0] is MalString) {
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var s = ((MalString)a[0]).getValue();
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return (s.Length > 0 && s[0] == '\u029e') ? True : False;
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} else {
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return False;
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}
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} );
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// Number functions
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static MalFunc time_ms = new MalFunc(
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a => new MalInt(DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond));
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// String functions
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static public MalFunc pr_str = new MalFunc(
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a => new MalString(printer._pr_str_args(a, " ", true)) );
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static public MalFunc str = new MalFunc(
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a => new MalString(printer._pr_str_args(a, "", false)) );
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static public MalFunc prn = new MalFunc(
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a => {
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Console.WriteLine(printer._pr_str_args(a, " ", true));
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return Nil;
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} );
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static public MalFunc println = new MalFunc(
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a => {
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Console.WriteLine(printer._pr_str_args(a, " ", false));
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return Nil;
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} );
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static public MalFunc mal_readline = new MalFunc(
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a => {
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var line = readline.Readline(((MalString)a[0]).getValue());
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if (line == null) { return types.Nil; }
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else { return new MalString(line); }
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} );
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static public MalFunc read_string = new MalFunc(
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a => reader.read_str(((MalString)a[0]).getValue()));
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static public MalFunc slurp = new MalFunc(
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a => new MalString(File.ReadAllText(
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((MalString)a[0]).getValue())));
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// List/Vector functions
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static public MalFunc list_Q = new MalFunc(
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a => a[0].GetType() == typeof(MalList) ? True : False);
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static public MalFunc vector_Q = new MalFunc(
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a => a[0].GetType() == typeof(MalVector) ? True : False);
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// HashMap functions
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static public MalFunc hash_map_Q = new MalFunc(
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a => a[0].GetType() == typeof(MalHashMap) ? True : False);
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static MalFunc contains_Q = new MalFunc(
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a => {
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string key = ((MalString)a[1]).getValue();
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var dict = ((MalHashMap)a[0]).getValue();
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return dict.ContainsKey(key) ? True : False;
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});
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static MalFunc assoc = new MalFunc(
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a => {
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var new_hm = ((MalHashMap)a[0]).copy();
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return new_hm.assoc_BANG((MalList)a.slice(1));
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});
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static MalFunc dissoc = new MalFunc(
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a => {
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var new_hm = ((MalHashMap)a[0]).copy();
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return new_hm.dissoc_BANG((MalList)a.slice(1));
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});
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static MalFunc get = new MalFunc(
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a => {
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string key = ((MalString)a[1]).getValue();
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if (a[0] == Nil) {
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return Nil;
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} else {
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var dict = ((MalHashMap)a[0]).getValue();
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return dict.ContainsKey(key) ? dict[key] : Nil;
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}
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});
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static MalFunc keys = new MalFunc(
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a => {
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var dict = ((MalHashMap)a[0]).getValue();
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MalList key_lst = new MalList();
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foreach (var key in dict.Keys) {
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key_lst.conj_BANG(new MalString(key));
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}
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return key_lst;
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});
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static MalFunc vals = new MalFunc(
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a => {
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var dict = ((MalHashMap)a[0]).getValue();
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MalList val_lst = new MalList();
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foreach (var val in dict.Values) {
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val_lst.conj_BANG(val);
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}
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return val_lst;
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});
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// Sequence functions
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static public MalFunc sequential_Q = new MalFunc(
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a => a[0] is MalList ? True : False);
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static MalFunc cons = new MalFunc(
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a => {
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var lst = new List<MalVal>();
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lst.Add(a[0]);
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lst.AddRange(((MalList)a[1]).getValue());
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return (MalVal)new MalList(lst);
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});
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static MalFunc concat = new MalFunc(
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a => {
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if (a.size() == 0) { return new MalList(); }
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var lst = new List<MalVal>();
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lst.AddRange(((MalList)a[0]).getValue());
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for(int i=1; i<a.size(); i++) {
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lst.AddRange(((MalList)a[i]).getValue());
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}
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return (MalVal)new MalList(lst);
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});
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static MalFunc nth = new MalFunc(
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a => {
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var idx = (int)((MalInt)a[1]).getValue();
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if (idx < ((MalList)a[0]).size()) {
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return ((MalList)a[0])[idx];
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} else {
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throw new Mal.types.MalException(
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"nth: index out of range");
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}
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});
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static MalFunc first = new MalFunc(
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a => a[0] == Nil ? Nil : ((MalList)a[0])[0]);
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static MalFunc rest = new MalFunc(
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a => a[0] == Nil ? new MalList() : ((MalList)a[0]).rest());
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static MalFunc empty_Q = new MalFunc(
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a => ((MalList)a[0]).size() == 0 ? True : False);
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static MalFunc count = new MalFunc(
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a => {
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return (a[0] == Nil)
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? new MalInt(0)
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:new MalInt(((MalList)a[0]).size());
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});
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static MalFunc conj = new MalFunc(
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a => {
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var src_lst = ((MalList)a[0]).getValue();
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var new_lst = new List<MalVal>();
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new_lst.AddRange(src_lst);
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if (a[0] is MalVector) {
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for(int i=1; i<a.size(); i++) {
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new_lst.Add(a[i]);
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}
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return new MalVector(new_lst);
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} else {
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for(int i=1; i<a.size(); i++) {
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new_lst.Insert(0, a[i]);
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}
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return new MalList(new_lst);
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}
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});
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static MalFunc seq = new MalFunc(
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a => {
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if (a[0] == Nil) {
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return Nil;
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} else if (a[0] is MalVector) {
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return (((MalVector)a[0]).size() == 0)
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? (MalVal)Nil
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: new MalList(((MalVector)a[0]).getValue());
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} else if (a[0] is MalList) {
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return (((MalList)a[0]).size() == 0)
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? Nil
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: a[0];
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} else if (a[0] is MalString) {
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var s = ((MalString)a[0]).getValue();
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if (s.Length == 0) {
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return Nil;
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}
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var chars_list = new List<MalVal>();
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foreach (var c in s) {
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chars_list.Add(new MalString(c.ToString()));
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}
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return new MalList(chars_list);
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}
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return Nil;
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});
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// General list related functions
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static MalFunc apply = new MalFunc(
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a => {
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var f = (MalFunc)a[0];
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var lst = new List<MalVal>();
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lst.AddRange(a.slice(1,a.size()-1).getValue());
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lst.AddRange(((MalList)a[a.size()-1]).getValue());
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return f.apply(new MalList(lst));
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});
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static MalFunc map = new MalFunc(
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a => {
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MalFunc f = (MalFunc) a[0];
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var src_lst = ((MalList)a[1]).getValue();
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var new_lst = new List<MalVal>();
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for(int i=0; i<src_lst.Count; i++) {
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new_lst.Add(f.apply(new MalList(src_lst[i])));
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}
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return new MalList(new_lst);
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});
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// Metadata functions
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static MalFunc meta = new MalFunc(
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a => a[0].getMeta());
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static MalFunc with_meta = new MalFunc(
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a => ((MalVal)a[0]).copy().setMeta(a[1]));
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// Atom functions
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static MalFunc atom_Q = new MalFunc(
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a => a[0] is MalAtom ? True : False);
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static MalFunc deref = new MalFunc(
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a => ((MalAtom)a[0]).getValue());
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static MalFunc reset_BANG = new MalFunc(
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a => ((MalAtom)a[0]).setValue(a[1]));
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static MalFunc swap_BANG = new MalFunc(
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a => {
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MalAtom atm = (MalAtom)a[0];
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MalFunc f = (MalFunc)a[1];
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var new_lst = new List<MalVal>();
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new_lst.Add(atm.getValue());
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new_lst.AddRange(((MalList)a.slice(2)).getValue());
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return atm.setValue(f.apply(new MalList(new_lst)));
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});
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static public Dictionary<string, MalVal> ns =
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new Dictionary<string, MalVal> {
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{"=", new MalFunc(
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a => Mal.types._equal_Q(a[0], a[1]) ? True : False)},
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{"throw", mal_throw},
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{"nil?", nil_Q},
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{"true?", true_Q},
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{"false?", false_Q},
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{"symbol", new MalFunc(a => new MalSymbol((MalString)a[0]))},
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{"symbol?", symbol_Q},
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{"string?", string_Q},
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{"keyword", keyword},
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{"keyword?", keyword_Q},
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{"pr-str", pr_str},
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{"str", str},
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{"prn", prn},
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{"println", println},
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{"readline", mal_readline},
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{"read-string", read_string},
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{"slurp", slurp},
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{"<", new MalFunc(a => (MalInt)a[0] < (MalInt)a[1])},
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{"<=", new MalFunc(a => (MalInt)a[0] <= (MalInt)a[1])},
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{">", new MalFunc(a => (MalInt)a[0] > (MalInt)a[1])},
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{">=", new MalFunc(a => (MalInt)a[0] >= (MalInt)a[1])},
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{"+", new MalFunc(a => (MalInt)a[0] + (MalInt)a[1])},
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{"-", new MalFunc(a => (MalInt)a[0] - (MalInt)a[1])},
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{"*", new MalFunc(a => (MalInt)a[0] * (MalInt)a[1])},
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{"/", new MalFunc(a => (MalInt)a[0] / (MalInt)a[1])},
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{"time-ms", time_ms},
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{"list", new MalFunc(a => new MalList(a.getValue()))},
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{"list?", list_Q},
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{"vector", new MalFunc(a => new MalVector(a.getValue()))},
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{"vector?", vector_Q},
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{"hash-map", new MalFunc(a => new MalHashMap(a))},
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{"map?", hash_map_Q},
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{"contains?", contains_Q},
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{"assoc", assoc},
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{"dissoc", dissoc},
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{"get", get},
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{"keys", keys},
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{"vals", vals},
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{"sequential?", sequential_Q},
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{"cons", cons},
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{"concat", concat},
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{"nth", nth},
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{"first", first},
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{"rest", rest},
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{"empty?", empty_Q},
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{"count", count},
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{"conj", conj},
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{"seq", seq},
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{"apply", apply},
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{"map", map},
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{"with-meta", with_meta},
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{"meta", meta},
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{"atom", new MalFunc(a => new MalAtom(a[0]))},
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{"atom?", atom_Q},
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{"deref", deref},
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{"reset!", reset_BANG},
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{"swap!", swap_BANG},
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};
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}
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}
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