Upsilon/Upsilon/Executor.cs

using System.Collections;
using Upsilon.Binder;
using Upsilon.Evaluator;

namespace Upsilon
{
    public static class Executor
    {
        private static readonly ScriptOptions DefaultOptions = new ScriptOptions();

        public static Script ParseInput(string input, ScriptOptions options = null)
        {
            if (options == null) options = DefaultOptions;
            var script                   = new Script(input, "unnamed", options);
            script.Parse();
            return script;
        }

        public static Script ParseFile(string fileName, ScriptOptions options = null)
        {
            if (options == null) options = DefaultOptions;
            var input = options.ScriptLoader.LoadFile(fileName);
            if (input == null)
                return null;
            var script                   = new Script(input,fileName, options);
            script.Parse();
            return script;
        }

        public static Script ParseInputAndEvaluate(string input, ScriptOptions options = null)
        {
            if (options == null) options = DefaultOptions;
            var script                   = new Script(input, "unnamed", options);
            script.Parse();
            script.Evaluate();
            return script;
        }

        public static Script ParseFileAndEvaluate(string fileName, ScriptOptions options = null)
        {
            if (options == null) options = DefaultOptions;
            var input = options.ScriptLoader.LoadFile(fileName);
            var script                   = new Script(input, fileName, options);
            script.Parse();
            script.Evaluate();
            return script;
        }

        public static Script ContinueWith(Script script, string input, string fileName = "unnamed")
        {
            var s = Script.ContinueWith(script, fileName, input);
            s.Parse();
            return s;
        }


        public static Script ContinueWith(Script script, BoundScript bound)
        {
            var s = Script.ContinueWith(script, bound);
            s.Evaluate();
            return s;
        }

        public static T EvaluateScript<T>(string input, ScriptOptions options = null)
        {
            var script = ParseInput(input, options);
            return script.Evaluate<T>();
        }

        public static object EvaluateScript(string input, ScriptOptions options = null)
        {
            var script = ParseInput(input, options);
            return script.Evaluate();
        }

        public static object EvaluateScript(BoundScript input, ScriptOptions options = null)
        {
            var script = new Script(input, options);
            return script.Evaluate();
        }

        public static T EvaluateFunction<T>(string input, string function, object[] parameters = null, ScriptOptions options = null)
        {
            var script = ParseInputAndEvaluate(input, options);
            return script.EvaluateFunction<T>(function, parameters);
        }

        public static object EvaluateFunction(string input, string function, object[] parameters = null, ScriptOptions options = null)
        {
            var script = ParseInputAndEvaluate(input, options);
            return script.EvaluateFunction(function, parameters);
        }

        public static IEnumerator EvaluateFunctionCoroutine(string input, string function, object[] parameters = null, ScriptOptions options = null)
        {
            var script = ParseInputAndEvaluate(input, options);
            return script.EvaluateFunctionCoroutine(function, parameters);
        }
    }
}