//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="TestRegexAnalyse"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using StgSharp.RegularAnalysis.Abstraction;
using StgSharp.RegularAnalysis.Text;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace StgSharp
{
    public partial class TestRegexAnalyse
    {

        private static string[] regexSource = [
            @"[.]*",
            /*
            @"http|https|ftp|ftps",
            @"abc[0-9]x|abc[0-9]y|abd[0-9]x|abd[0-9]y|xyz",
            @"get_name|get_value|get_type|set_name|set_value|set_type",
            @"helix|hello|help|hero|hers|her",
            @"a*.[abc]*(abcd|a(bc)c)+(?<name>.*)234"
/**/
        ];

        public static void Run()
        {
            foreach (string regex in regexSource)
            {
                TextRegexSource interpreterSource = RegexAnalyzerFrontEnd.Analyze(regex);
                AbstractSyntaxTree<RegexAstNode, RegexElementLabel> tree = interpreterSource.Ast;
                Console.WriteLine($"result of \"{regex}\"");
                TreeEnumerator<RegexAstNode, RegexElementLabel> enumerator = new(tree);
                while (enumerator.MoveNext())
                {
                    RegexAstNode node = enumerator.Current;
                    Console.Write(new string('|', enumerator.Depth));
                    Console.WriteLine($"\t{node.Source.Value}\t{node.Source.Flag}");
                }
                Console.WriteLine("-----IR-----");
                List<RegexIR> ir = interpreterSource.BaseIR;
                for (int i = 0; i < ir.Count; i++) {
                    Console.WriteLine(ir[i].AsCommand(i));
                }
                Console.WriteLine("-----Optimized once-----");
                List<RegexIR> opt_ir = interpreterSource.IRs;
                for (int i = 0; i < opt_ir.Count; i++) {
                    Console.WriteLine(opt_ir[i].AsCommand(i));
                }
                Console.WriteLine();
                Console.WriteLine();
                Console.WriteLine();
            }
        }

        [GeneratedRegex(@".*a*b", RegexOptions.ExplicitCapture)]
        internal static partial Regex GetRegex();

    }
}