PrintListExp() public static method

public static PrintListExp ( object exp ) : void
exp object
return void
        private JITInterpreter_DS()
        {
            Utils.QueryPerformanceCounter(out mTimerStart);
            Utils.QueryPerformanceFrequency(out mTimerFreq);

            Dictionary <string, object> builtinVars = new Dictionary <string, object>()
            {
                { "true", true },
                { "false", false },
                { "else", true },
                { "null", null },
            };
            Dictionary <string, object> builtinProcedures = new Dictionary <string, object>()
            {
                { "not", (Func <object, object>)(a => !(bool)a) },
                { "identity", (Func <object, object>)(a => a) },
                { "sqr", (Func <object, object>)(a => { var v = (INumber)a; return(v.Mul(v)); }) },
                { "+", (Func <object, object, object>)((a, b) => ((INumber)a).Add((INumber)b)) },
                { "-", (Func <object, object, object>)((a, b) => ((INumber)a).Sub((INumber)b)) },
                { "*", (Func <object, object, object>)((a, b) => ((INumber)a).Mul((INumber)b)) },
                { "/", (Func <object, object, object>)((a, b) => ((INumber)a).Div((INumber)b)) },
                { "quotient", (Func <object, object, object>)((a, b) => ((INumber)a).Div((INumber)b).CastToInteger()) },
                { "remainder", (Func <object, object, object>)((a, b) => ((INumber)a).Mod((INumber)b)) },
                { "=", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) == 0) },
                { "<", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) < 0) },
                { "<=", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) <= 0) },
                { ">", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) > 0) },
                { ">=", (Func <object, object, object>)((a, b) => ((INumber)a).CompareTo((INumber)b) >= 0) },
                { "eq?", (Func <object, object, object>)((a, b) => object.ReferenceEquals(a, b)) },
                { "equal?", (Func <object, object, object>)((a, b) => object.Equals(a, b)) },

                { "cons", (Func <object, object, object>)((a, b) => new Pair()
                    {
                        Car = a, Cdr = b
                    }) },
                { "car", (Func <object, object>)(a => ((Pair)a).Car) },
                { "cdr", (Func <object, object>)(a => ((Pair)a).Cdr) },
                { "drop", (Func <object, object, object>)((a, b) => {
                        Pair l = (Pair)a; int n = ((NumberInteger)b).value;
                        for (; n > 0; --n)
                        {
                            l = (Pair)l.Cdr;
                        }
                        return(l);
                    }) },
                { "length", (Func <object, object>)(a => {
                        int n = 0;
                        for (Pair l = (Pair)a; l != null; ++n, l = (Pair)l.Cdr)
                        {
                            ;
                        }
                        return(Number.Create(n));
                    }) },
                { "append", (Func <object, object, object>)((a, b) => {
                        var l = ListProcess.PairToList((Pair)a);
                        return(ListProcess.ConcatListAndPairToNewPair(l, (Pair)b));
                    }) },
                { "empty?", (Func <object, object>)(a => a == null) },
                { "void", (Func <object>)(() => null) },

                { "pretty-print", (Func <object, object>)(a => {
                        ListProcess.PrintPairExp(a);
                        return(null);
                    }) },
                { "display", (Func <object, object>)(a => {
                        ListProcess.PrintListExp(ListProcess.PairExpToListExp(a));
                        return(null);
                    }) },
                { "current-inexact-milliseconds", (Func <object>)(() => {
                        long now;
                        Utils.QueryPerformanceCounter(out now);
                        return(Number.Create((decimal)(now - mTimerStart) * 1000 / mTimerFreq));
                    }) },
                { "exit", (Func <object>)(() => {
                        Environment.Exit(0);
                        return(null);
                    }) },
                { "random", (Func <object, object>)(a => Number.Create(mRandom.Next(((NumberInteger)a).value))) },
                { "eval", (Func <object, object>)(a => { return(Instance().Interpret(ListProcess.PairExpToListExp(a))); }) },
            };

            ReserveGlobalVaraible(builtinVars.Count + builtinProcedures.Count);
            foreach (KeyValuePair <string, object> kv in builtinVars)
            {
                mGlobalVariables[SymbolTable.DefineOrGetGlobalSymbol(kv.Key).index] = kv.Value;
            }
            foreach (KeyValuePair <string, object> kv in builtinProcedures)
            {
                mGlobalVariables[SymbolTable.DefineOrGetGlobalSymbol(kv.Key).index] = kv.Value;
            }
        }
Ejemplo n.º 2
0
        private ASTInterpreter()
        {
            Utils.QueryPerformanceCounter(out sTimerStart);
            Utils.QueryPerformanceFrequency(out sTimerFreq);

            Dictionary <string, object> builtinVars = new Dictionary <string, object>()
            {
                { "true", true },
                { "false", false },
                { "else", true },
                { "null", null },
            };

            Dictionary <string, Procedure> builtinProcedures = new Dictionary <string, Procedure>()
            {
                { "not", (args) => !(bool)args[0] },
                { "identity", (args) => args[0] },
                { "sqr", (args) => { var a = args[0] as INumber; return(a.Mul(a)); } },
                { "+", (args) => ((INumber)args[0]).Add((INumber)args[1]) },
                { "-", (args) => ((INumber)args[0]).Sub((INumber)args[1]) },
                { "*", (args) => ((INumber)args[0]).Mul((INumber)args[1]) },
                { "/", (args) => ((INumber)args[0]).Div((INumber)args[1]) },
                { "quotient", (args) => ((INumber)args[0]).Div((INumber)args[1]).CastToInteger() },
                { "remainder", (args) => ((INumber)args[0]).Mod((INumber)args[1]) },
                { "=", (args) => (args[0].Equals(args[1])) },
                { "<", (args) => (args[0] as IComparable).CompareTo(args[1]) < 0 },
                { "<=", (args) => (args[0] as IComparable).CompareTo(args[1]) <= 0 },
                { ">", (args) => (args[0] as IComparable).CompareTo(args[1]) > 0 },
                { ">=", (args) => (args[0] as IComparable).CompareTo(args[1]) >= 0 },
                { "eq?", (args) => object.ReferenceEquals(args[0], args[1]) },

                { "cons", (args) => new Pair()
                  {
                      Car = args[0], Cdr = args[1]
                  } },
                { "car", (args) => ((Pair)args[0]).Car },
                { "cdr", (args) => ((Pair)args[0]).Cdr },
                { "drop", (args) => {
                      Pair l = (Pair)args[0]; int n = ((NumberInteger)args[1]).value;
                      for (; n > 0; --n)
                      {
                          l = (Pair)l.Cdr;
                      }
                      return(l);
                  } },
                { "length", (args) => {
                      int n = 0;
                      for (Pair l = (Pair)args[0]; l != null; ++n, l = (Pair)l.Cdr)
                      {
                          ;
                      }
                      return(Number.Create(n));
                  } },
                { "append", (args) => {
                      var l = ListProcess.PairToList((Pair)args[0]);
                      l.InsertRange(l.Count, ListProcess.PairToList((Pair)args[1]));
                      return(ListProcess.ListToPair(l));
                  } },
                { "empty?", (args) => args[0] == null },

                { "pretty-print", (args) => {
                      ListProcess.PrintPairExp(args[0]);
                      return(null);
                  } },
                { "display", (args) => {
                      ListProcess.PrintListExp(ListProcess.PairExpToListExp(args[0]));
                      return(null);
                  } },
                { "current-inexact-milliseconds", (args) => {
                      long now;
                      Utils.QueryPerformanceCounter(out now);
                      return(Number.Create((decimal)(now - sTimerStart) * 1000 / sTimerFreq));
                  } },
                { "exit", (args) => {
                      Environment.Exit(0);
                      return(null);
                  } },
                { "random", (args) => Number.Create(sRandom.Next(((NumberInteger)args[0]).value)) },
                { "eval", (args) => Instance().Interpret(ListProcess.PairExpToListExp(args[0])) },
            };

            Env.ReserveGlobalVariables(builtinVars.Count + builtinProcedures.Count);
            foreach (KeyValuePair <string, object> kv in builtinVars)
            {
                Env.DefineBuiltin(SymbolTable.DefineOrGetGlobalSymbol(kv.Key), kv.Value);
            }
            foreach (KeyValuePair <string, Procedure> kv in builtinProcedures)
            {
                Env.DefineBuiltin(SymbolTable.DefineOrGetGlobalSymbol(kv.Key), kv.Value);
            }
        }