108 lines
5.0 KiB
C#
108 lines
5.0 KiB
C#
using Jint;
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using Jint.Native;
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using Jint.Runtime.Modules;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Text;
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namespace Progrart.Core.JSExecution
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{
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public class MathFunctions
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{
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public static double abs(JsNumber v) => Math.Abs(v.AsNumber());
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public static double sin(JsNumber v) => Math.Sin(v.AsNumber());
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public static double cos(JsNumber v) => Math.Cos(v.AsNumber());
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public static double tan(JsNumber v) => Math.Tan(v.AsNumber());
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public static double tanh(JsNumber v) => Math.Tanh(v.AsNumber());
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public static double asin(JsNumber v) => Math.Asin(v.AsNumber());
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public static double acos(JsNumber v) => Math.Acos(v.AsNumber());
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public static double atan(JsNumber v) => Math.Atan(v.AsNumber());
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public static double atan2(JsNumber v, JsNumber v2) => Math.Atan2(v.AsNumber(), v2.AsNumber());
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public static double atanh(JsNumber v) => Math.Atanh(v.AsNumber());
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public static double sqrt(JsNumber v) => Math.Sqrt(v.AsNumber());
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public static double log(JsNumber v) => Math.Log(v.AsNumber());
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public static double log2(JsNumber v) => Math.Log2(v.AsNumber());
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public static double log10(JsNumber v) => Math.Log10(v.AsNumber());
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public static double exp(JsNumber v) => Math.Exp(v.AsNumber());
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public static double ceiling(JsNumber v) => Math.Ceiling(v.AsNumber());
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public static double floor(JsNumber v) => Math.Floor(v.AsNumber());
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public static double log_base(JsNumber v, JsNumber v2) => Math.Log(v.AsNumber(), v2.AsNumber());
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public static double pow(JsNumber v, JsNumber v2) => Math.Pow(v.AsNumber(), v2.AsNumber());
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public static double round(JsNumber v) => Math.Round(v.AsNumber());
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public static double sinh(JsNumber v) => Math.Sinh(v.AsNumber());
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public static double cosh(JsNumber v) => Math.Cosh(v.AsNumber());
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public static double cbrt(JsNumber v) => Math.Cbrt(v.AsNumber());
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}
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public class ExecutionEngine : IDisposable
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{
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public Engine Engine;
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public Dictionary<string, string> Symbols = new Dictionary<string, string>();
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public ExecutionEngine()
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{
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Engine = new Engine();
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JsObject _obj = new JsObject(Engine);
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Engine.SetValue("math", _obj);
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Random r = new Random();
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Engine.SetValue("def", (string k) => { return Symbols.ContainsKey(k); });
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Engine.SetValue("to_bool", (JsValue v) => { return bool.Parse(v.AsString().ToLower()); });
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Engine.SetValue("to_float", (JsValue v) => { return float.Parse(v.AsString().ToLower()); });
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Engine.SetValue("to_int", (JsValue v) => { return int.Parse(v.AsString().ToLower()); });
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Engine.SetValue("query", (string k, string fallback) =>
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{
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if (Symbols.TryGetValue(k, out var val)) return val;
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return fallback;
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});
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_obj.Set("random", JsObject.FromObject(Engine, new Func<double>(() =>
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{
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return r.NextDouble();
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})));
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_obj.Set("seed", JsObject.FromObject(Engine, new Action<JsNumber>((n) =>
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{
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r = new Random((int)n.AsNumber());
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})));
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_obj.Set("abs", JsObject.FromObject(Engine, (object)MathFunctions.abs));
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_obj.Set("sin", JsObject.FromObject(Engine, (object)MathFunctions.sin));
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_obj.Set("cos", JsObject.FromObject(Engine, (object)MathFunctions.cos));
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_obj.Set("tan", JsObject.FromObject(Engine, (object)MathFunctions.tan));
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_obj.Set("tanh", JsObject.FromObject(Engine, (object)MathFunctions.tanh));
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_obj.Set("asin", JsObject.FromObject(Engine, (object)MathFunctions.asin));
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_obj.Set("acos", JsObject.FromObject(Engine, (object)MathFunctions.acos));
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_obj.Set("atan", JsObject.FromObject(Engine, (object)MathFunctions.atan));
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_obj.Set("atan2", JsObject.FromObject(Engine, (object)MathFunctions.atan2));
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_obj.Set("atanh", JsObject.FromObject(Engine, (object)MathFunctions.atanh));
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_obj.Set("sqrt", JsObject.FromObject(Engine, (object)MathFunctions.sqrt));
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_obj.Set("cbrt", JsObject.FromObject(Engine, (object)MathFunctions.cbrt));
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_obj.Set("pow", JsObject.FromObject(Engine, (object)MathFunctions.pow));
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_obj.Set("log", JsObject.FromObject(Engine, (object)MathFunctions.log));
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_obj.Set("log_base", JsObject.FromObject(Engine, (object)MathFunctions.log_base));
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_obj.Set("log2", JsObject.FromObject(Engine, (object)MathFunctions.log2));
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_obj.Set("log10", JsObject.FromObject(Engine, (object)MathFunctions.log10));
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_obj.Set("exp", JsObject.FromObject(Engine, (object)MathFunctions.exp));
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_obj.Set("ceiling", JsObject.FromObject(Engine, (object)MathFunctions.ceiling));
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_obj.Set("floor", JsObject.FromObject(Engine, (object)MathFunctions.floor));
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_obj.Set("sinh", JsObject.FromObject(Engine, (object)MathFunctions.sinh));
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_obj.Set("cosh", JsObject.FromObject(Engine, (object)MathFunctions.cosh));
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}
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string formSymbol(Dictionary<string, string> symbols)
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{
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StringBuilder sb = new StringBuilder();
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foreach (var item in symbols)
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{
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sb.AppendLine($"var {item.Key} = {item.Value}");
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}
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return sb.ToString();
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}
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public void Execute(string content)
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{
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Engine.Evaluate(formSymbol(Symbols));
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Engine.Evaluate(content);
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}
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public void Dispose()
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{
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Engine.Dispose();
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}
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}
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}
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