stop all work on text regex, ngra text regex is now frozen

test/StgSharpDebug/Legacy/TextRegex/TestRegexAnalyse.cs

@@ -0,0 +1,59 @@
+// -----------------------------------------------------------------------------
+// file="TestRegexAnalyse"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.RegularAnalysis.Abstraction;
+using Nitload.RegularAnalysis.Text;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.WebSockets;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace Nitload
+{
+    public partial class TestRegexAnalyse
+    {
+
+        private static string[] regexSource = [
+            @"12(1234|(012.*34)|9125)34",
+            /**/
+            @"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]*(?<a>abcd|a(bc)c)(?<name>.*)234"
+        /**/
+        ];
+
+        public static void Run()
+        {
+            foreach (string regex in regexSource)
+            {
+                TextRegexSource interpreterSource = RegexAnalyzer.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.Value}\t{node.Source.Flag}");
+                }
+                Console.WriteLine(interpreterSource.AnalyseException?.ToString() ?? "No error");
+                Console.WriteLine();
+                Console.WriteLine();
+                Console.WriteLine();
+            }
+        }
+
+        [GeneratedRegex(@"(a{2,4}bc)d", RegexOptions.ExplicitCapture)]
+        internal static partial Regex GetRegex();
+
+    }
+}

test/StgSharpDebug/Legacy/TextRegex/TestRegexGenerate.cs

@@ -0,0 +1,62 @@
+// -----------------------------------------------------------------------------
+// file="TestRegexGenerate"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using Nitload.RegularAnalysis.Abstraction;
+using Nitload.RegularAnalysis.Text;
+using System;
+using System.Collections.Generic;
+using System.Runtime.ExceptionServices;
+using static Nitload.RegularAnalysis.Text.TextRegexSourceGen;
+
+namespace Nitload
+{
+    internal static class TestRegexGenerate
+    {
+
+        public static int Run(
+                          string arg
+        )
+        {
+            Console.WriteLine($"Text regex to be tested: {arg} :\n\n\n");
+            Print(arg);
+            return 0;
+        }
+
+        private static void Print(
+                            string pattern
+        )
+        {
+            TextRegexSource analysis = RegexAnalyzer.Analyze(pattern);
+            if (analysis.AnalyseException is not null) {
+                ExceptionDispatchInfo.Throw(analysis.AnalyseException);
+            }
+
+            SequenceEmitter<string> body = new();
+            List<SequenceEmitter<string>> functions = [];
+            SourceGenContext context = new();
+            ExitLabel local_fail = context.RequestExitLabel(ExitKind.MatchFailed);
+            ExitLabel backtrack = local_fail;
+            ExitLabel end = context.RequestExitLabel(ExitKind.MatchEnd);
+            GenerateMethodSource(analysis.Ast.Root, body, functions, context, local_fail, ref backtrack);
+            _ = body.AppendLine($"goto {end.GetLabelName()};")
+                    .AppendLine($"{local_fail.GetLabelName()}: {{}}")
+                    .AppendLine("// TODO(NGRA): Produce the root failure result here.")
+                    .AppendLine($"{end.GetLabelName()}: {{}}");
+
+            foreach (string line in body.ToList()) {
+                Console.WriteLine(line);
+            }
+            foreach (SequenceEmitter<string> function in functions)
+            {
+                foreach (string line in function.ToList()) {
+                    Console.WriteLine(line);
+                }
+            }
+        }
+
+    }
+}