File: RegexGenerator.g.cs
Project: src\src\Compilers\Core\Portable\Microsoft.CodeAnalysis.csproj (Microsoft.CodeAnalysis)
// <auto-generated/>
#nullable enable
#pragma warning disable CS0162 // Unreachable code
#pragma warning disable CS0164 // Unreferenced label
#pragma warning disable CS0219 // Variable assigned but never used
 
namespace Microsoft.CodeAnalysis
{
    partial class AnalyzerConfig
    {
        /// <remarks>
        /// Pattern:<br/>
        /// <code>^\\s*\\[(([^#;]|\\\\#|\\\\;)+)\\]\\s*([#;].*)?$</code><br/>
        /// Explanation:<br/>
        /// <code>
        /// ○ Match if at the beginning of the string.<br/>
        /// ○ Match a whitespace character atomically any number of times.<br/>
        /// ○ Match '['.<br/>
        /// ○ 1st capture group.<br/>
        ///     ○ Loop greedily at least once.<br/>
        ///         ○ 2nd capture group.<br/>
        ///             ○ Match with 3 alternative expressions.<br/>
        ///                 ○ Match a character in the set [^#;].<br/>
        ///                 ○ Match the string "\\#".<br/>
        ///                 ○ Match the string "\\;".<br/>
        /// ○ Match ']'.<br/>
        /// ○ Match a whitespace character greedily any number of times.<br/>
        /// ○ Optional (greedy).<br/>
        ///     ○ 3rd capture group.<br/>
        ///         ○ Match a character in the set [#;].<br/>
        ///         ○ Match a character other than '\n' greedily any number of times.<br/>
        /// ○ Match if at the end of the string or if before an ending newline.<br/>
        /// </code>
        /// </remarks>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
        private static partial global::System.Text.RegularExpressions.Regex GetSectionMatcherRegex() => global::System.Text.RegularExpressions.Generated.GetSectionMatcherRegex_0.Instance;
    }
}
 
namespace Microsoft.CodeAnalysis
{
    partial class AnalyzerConfig
    {
        /// <remarks>
        /// Pattern:<br/>
        /// <code>^\\s*([\\w\\.\\-_]+)\\s*[=:]\\s*(.*?)\\s*([#;].*)?$</code><br/>
        /// Explanation:<br/>
        /// <code>
        /// ○ Match if at the beginning of the string.<br/>
        /// ○ Match a whitespace character greedily any number of times.<br/>
        /// ○ 1st capture group.<br/>
        ///     ○ Match a character in the set [-._\w] greedily at least once.<br/>
        /// ○ Match a whitespace character atomically any number of times.<br/>
        /// ○ Match a character in the set [:=].<br/>
        /// ○ Match a whitespace character greedily any number of times.<br/>
        /// ○ 2nd capture group.<br/>
        ///     ○ Match a character other than '\n' lazily any number of times.<br/>
        /// ○ Match a whitespace character greedily any number of times.<br/>
        /// ○ Optional (greedy).<br/>
        ///     ○ 3rd capture group.<br/>
        ///         ○ Match a character in the set [#;].<br/>
        ///         ○ Match a character other than '\n' greedily any number of times.<br/>
        /// ○ Match if at the end of the string or if before an ending newline.<br/>
        /// </code>
        /// </remarks>
        [global::System.CodeDom.Compiler.GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
        private static partial global::System.Text.RegularExpressions.Regex GetPropertyMatcherRegex() => global::System.Text.RegularExpressions.Generated.GetPropertyMatcherRegex_1.Instance;
    }
}
 
namespace System.Text.RegularExpressions.Generated
{
    using System;
    using System.Buffers;
    using System.CodeDom.Compiler;
    using System.Collections;
    using System.ComponentModel;
    using System.Globalization;
    using System.Runtime.CompilerServices;
    using System.Text.RegularExpressions;
    using System.Threading;
 
    /// <summary>Custom <see cref="Regex"/>-derived type for the GetSectionMatcherRegex method.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
    [SkipLocalsInit]
    file sealed class GetSectionMatcherRegex_0 : Regex
    {
        /// <summary>Cached, thread-safe singleton instance.</summary>
        internal static readonly GetSectionMatcherRegex_0 Instance = new();
    
        /// <summary>Initializes the instance.</summary>
        private GetSectionMatcherRegex_0()
        {
            base.pattern = "^\\s*\\[(([^#;]|\\\\#|\\\\;)+)\\]\\s*([#;].*)?$";
            base.roptions = RegexOptions.None;
            ValidateMatchTimeout(Utilities.s_defaultTimeout);
            base.internalMatchTimeout = Utilities.s_defaultTimeout;
            base.factory = new RunnerFactory();
            base.capsize = 4;
        }
            
        /// <summary>Provides a factory for creating <see cref="RegexRunner"/> instances to be used by methods on <see cref="Regex"/>.</summary>
        private sealed class RunnerFactory : RegexRunnerFactory
        {
            /// <summary>Creates an instance of a <see cref="RegexRunner"/> used by methods on <see cref="Regex"/>.</summary>
            protected override RegexRunner CreateInstance() => new Runner();
        
            /// <summary>Provides the runner that contains the custom logic implementing the specified regular expression.</summary>
            private sealed class Runner : RegexRunner
            {
                /// <summary>Scan the <paramref name="inputSpan"/> starting from base.runtextstart for the next match.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                protected override void Scan(ReadOnlySpan<char> inputSpan)
                {
                    // The pattern is anchored.  Validate the current position and try to match at it only.
                    if (TryFindNextPossibleStartingPosition(inputSpan) && !TryMatchAtCurrentPosition(inputSpan))
                    {
                        base.runtextpos = inputSpan.Length;
                    }
                }
        
                /// <summary>Search <paramref name="inputSpan"/> starting from base.runtextpos for the next location a match could possibly start.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                /// <returns>true if a possible match was found; false if no more matches are possible.</returns>
                private bool TryFindNextPossibleStartingPosition(ReadOnlySpan<char> inputSpan)
                {
                    int pos = base.runtextpos;
                    
                    // Any possible match is at least 3 characters.
                    if (pos <= inputSpan.Length - 3)
                    {
                        // The pattern leads with a beginning (\A) anchor.
                        if (pos == 0)
                        {
                            return true;
                        }
                    }
                    
                    // No match found.
                    base.runtextpos = inputSpan.Length;
                    return false;
                }
        
                /// <summary>Determine whether <paramref name="inputSpan"/> at base.runtextpos is a match for the regular expression.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                /// <returns>true if the regular expression matches at the current position; otherwise, false.</returns>
                private bool TryMatchAtCurrentPosition(ReadOnlySpan<char> inputSpan)
                {
                    int pos = base.runtextpos;
                    int matchStart = pos;
                    char ch;
                    int capture_starting_pos = 0;
                    int charloop_capture_pos = 0;
                    int charloop_starting_pos = 0, charloop_ending_pos = 0;
                    int charloop_starting_pos1 = 0, charloop_ending_pos1 = 0;
                    int loop_iteration = 0;
                    int loop_iteration1 = 0;
                    int stackpos = 0;
                    ReadOnlySpan<char> slice = inputSpan.Slice(pos);
                    
                    // Match if at the beginning of the string.
                    if (pos != 0)
                    {
                        UncaptureUntil(0);
                        return false; // The input didn't match.
                    }
                    
                    // Match a whitespace character atomically any number of times.
                    {
                        int iteration = 0;
                        while ((uint)iteration < (uint)slice.Length && char.IsWhiteSpace(slice[iteration]))
                        {
                            iteration++;
                        }
                        
                        slice = slice.Slice(iteration);
                        pos += iteration;
                    }
                    
                    // Match '['.
                    if (slice.IsEmpty || slice[0] != '[')
                    {
                        UncaptureUntil(0);
                        return false; // The input didn't match.
                    }
                    
                    // 1st capture group.
                    //{
                        pos++;
                        slice = inputSpan.Slice(pos);
                        capture_starting_pos = pos;
                        
                        // Loop greedily at least once.
                        //{
                            loop_iteration = 0;
                            
                            LoopBody:
                            Utilities.StackPush(ref base.runstack!, ref stackpos, base.Crawlpos(), pos);
                            
                            loop_iteration++;
                            
                            // 2nd capture group.
                            //{
                                int capture_starting_pos1 = pos;
                                
                                // Match with 3 alternative expressions.
                                //{
                                    int alternation_starting_pos = pos;
                                    int alternation_starting_capturepos = base.Crawlpos();
                                    
                                    // Branch 0
                                    //{
                                        // Match a character in the set [^#;].
                                        if (slice.IsEmpty || (((ch = slice[0]) == '#') | (ch == ';')))
                                        {
                                            goto AlternationBranch;
                                        }
                                        
                                        Utilities.StackPush(ref base.runstack!, ref stackpos, 0, alternation_starting_pos, alternation_starting_capturepos);
                                        pos++;
                                        slice = inputSpan.Slice(pos);
                                        goto AlternationMatch;
                                        
                                        AlternationBranch:
                                        pos = alternation_starting_pos;
                                        slice = inputSpan.Slice(pos);
                                        UncaptureUntil(alternation_starting_capturepos);
                                    //}
                                    
                                    // Branch 1
                                    //{
                                        // Match the string "\\#".
                                        if (!slice.StartsWith("\\#"))
                                        {
                                            goto AlternationBranch1;
                                        }
                                        
                                        Utilities.StackPush(ref base.runstack!, ref stackpos, 1, alternation_starting_pos, alternation_starting_capturepos);
                                        pos += 2;
                                        slice = inputSpan.Slice(pos);
                                        goto AlternationMatch;
                                        
                                        AlternationBranch1:
                                        pos = alternation_starting_pos;
                                        slice = inputSpan.Slice(pos);
                                        UncaptureUntil(alternation_starting_capturepos);
                                    //}
                                    
                                    // Branch 2
                                    //{
                                        // Match the string "\\;".
                                        if (!slice.StartsWith("\\;"))
                                        {
                                            goto LoopIterationNoMatch;
                                        }
                                        
                                        Utilities.StackPush(ref base.runstack!, ref stackpos, 2, alternation_starting_pos, alternation_starting_capturepos);
                                        pos += 2;
                                        slice = inputSpan.Slice(pos);
                                        goto AlternationMatch;
                                    //}
                                    
                                    AlternationBacktrack:
                                    if (Utilities.s_hasTimeout)
                                    {
                                        base.CheckTimeout();
                                    }
                                    
                                    Utilities.StackPop(base.runstack!, ref stackpos, out alternation_starting_capturepos, out alternation_starting_pos);
                                    switch (base.runstack![--stackpos])
                                    {
                                        case 0:
                                            goto AlternationBranch;
                                        case 1:
                                            goto AlternationBranch1;
                                        case 2:
                                            goto LoopIterationNoMatch;
                                    }
                                    
                                    AlternationMatch:;
                                //}
                                
                                base.Capture(2, capture_starting_pos1, pos);
                                
                                Utilities.StackPush(ref base.runstack!, ref stackpos, capture_starting_pos1);
                                goto CaptureSkipBacktrack;
                                
                                CaptureBacktrack:
                                capture_starting_pos1 = base.runstack![--stackpos];
                                goto AlternationBacktrack;
                                
                                CaptureSkipBacktrack:;
                            //}
                            
                            
                            // The loop has no upper bound. Continue iterating greedily.
                            goto LoopBody;
                            
                            // The loop iteration failed. Put state back to the way it was before the iteration.
                            LoopIterationNoMatch:
                            if (--loop_iteration < 0)
                            {
                                // Unable to match the remainder of the expression after exhausting the loop.
                                UncaptureUntil(0);
                                return false; // The input didn't match.
                            }
                            pos = base.runstack![--stackpos];
                            UncaptureUntil(base.runstack![--stackpos]);
                            slice = inputSpan.Slice(pos);
                            if (loop_iteration == 0)
                            {
                                // No iterations have been matched to backtrack into. Fail the loop.
                                UncaptureUntil(0);
                                return false; // The input didn't match.
                            }
                            
                            goto LoopEnd;
                            
                            LoopBacktrack:
                            if (Utilities.s_hasTimeout)
                            {
                                base.CheckTimeout();
                            }
                            
                            if (loop_iteration == 0)
                            {
                                // No iterations of the loop remain to backtrack into. Fail the loop.
                                UncaptureUntil(0);
                                return false; // The input didn't match.
                            }
                            goto CaptureBacktrack;
                            LoopEnd:;
                        //}
                        
                        base.Capture(1, capture_starting_pos, pos);
                        
                        goto CaptureSkipBacktrack1;
                        
                        CaptureBacktrack1:
                        goto LoopBacktrack;
                        
                        CaptureSkipBacktrack1:;
                    //}
                    
                    // Match ']'.
                    if (slice.IsEmpty || slice[0] != ']')
                    {
                        goto CaptureBacktrack1;
                    }
                    
                    // Match a whitespace character greedily any number of times.
                    //{
                        pos++;
                        slice = inputSpan.Slice(pos);
                        charloop_starting_pos = pos;
                        
                        int iteration1 = 0;
                        while ((uint)iteration1 < (uint)slice.Length && char.IsWhiteSpace(slice[iteration1]))
                        {
                            iteration1++;
                        }
                        
                        slice = slice.Slice(iteration1);
                        pos += iteration1;
                        
                        charloop_ending_pos = pos;
                        goto CharLoopEnd;
                        
                        CharLoopBacktrack:
                        UncaptureUntil(charloop_capture_pos);
                        
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                        
                        if (charloop_starting_pos >= charloop_ending_pos)
                        {
                            goto CaptureBacktrack1;
                        }
                        pos = --charloop_ending_pos;
                        slice = inputSpan.Slice(pos);
                        
                        CharLoopEnd:
                        charloop_capture_pos = base.Crawlpos();
                    //}
                    
                    // Optional (greedy).
                    //{
                        loop_iteration1 = 0;
                        
                        LoopBody1:
                        Utilities.StackPush(ref base.runstack!, ref stackpos, base.Crawlpos(), pos);
                        
                        loop_iteration1++;
                        
                        // 3rd capture group.
                        //{
                            int capture_starting_pos2 = pos;
                            
                            // Match a character in the set [#;].
                            if (slice.IsEmpty || (((ch = slice[0]) != '#') & (ch != ';')))
                            {
                                goto LoopIterationNoMatch1;
                            }
                            
                            // Match a character other than '\n' greedily any number of times.
                            //{
                                pos++;
                                slice = inputSpan.Slice(pos);
                                charloop_starting_pos1 = pos;
                                
                                int iteration2 = slice.IndexOf('\n');
                                if (iteration2 < 0)
                                {
                                    iteration2 = slice.Length;
                                }
                                
                                slice = slice.Slice(iteration2);
                                pos += iteration2;
                                
                                charloop_ending_pos1 = pos;
                                goto CharLoopEnd1;
                                
                                CharLoopBacktrack1:
                                UncaptureUntil(base.runstack![--stackpos]);
                                Utilities.StackPop(base.runstack!, ref stackpos, out charloop_ending_pos1, out charloop_starting_pos1);
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                if (charloop_starting_pos1 >= charloop_ending_pos1)
                                {
                                    goto LoopIterationNoMatch1;
                                }
                                pos = --charloop_ending_pos1;
                                slice = inputSpan.Slice(pos);
                                
                                CharLoopEnd1:
                                Utilities.StackPush(ref base.runstack!, ref stackpos, charloop_starting_pos1, charloop_ending_pos1, base.Crawlpos());
                            //}
                            
                            base.Capture(3, capture_starting_pos2, pos);
                            
                            Utilities.StackPush(ref base.runstack!, ref stackpos, capture_starting_pos2);
                            goto CaptureSkipBacktrack2;
                            
                            CaptureBacktrack2:
                            capture_starting_pos2 = base.runstack![--stackpos];
                            goto CharLoopBacktrack1;
                            
                            CaptureSkipBacktrack2:;
                        //}
                        
                        
                        // The loop has an upper bound of 1. Continue iterating greedily if it hasn't yet been reached.
                        if (loop_iteration1 == 0)
                        {
                            goto LoopBody1;
                        }
                        goto LoopEnd1;
                        
                        // The loop iteration failed. Put state back to the way it was before the iteration.
                        LoopIterationNoMatch1:
                        if (--loop_iteration1 < 0)
                        {
                            // Unable to match the remainder of the expression after exhausting the loop.
                            goto CharLoopBacktrack;
                        }
                        pos = base.runstack![--stackpos];
                        UncaptureUntil(base.runstack![--stackpos]);
                        slice = inputSpan.Slice(pos);
                        goto LoopEnd1;
                        
                        LoopBacktrack1:
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                        
                        if (loop_iteration1 == 0)
                        {
                            // No iterations of the loop remain to backtrack into. Fail the loop.
                            goto CharLoopBacktrack;
                        }
                        goto CaptureBacktrack2;
                        LoopEnd1:;
                    //}
                    
                    // Match if at the end of the string or if before an ending newline.
                    if (pos < inputSpan.Length - 1 || ((uint)pos < (uint)inputSpan.Length && inputSpan[pos] != '\n'))
                    {
                        goto LoopBacktrack1;
                    }
                    
                    // The input matched.
                    base.runtextpos = pos;
                    base.Capture(0, matchStart, pos);
                    return true;
                    
                    // <summary>Undo captures until it reaches the specified capture position.</summary>
                    [MethodImpl(MethodImplOptions.AggressiveInlining)]
                    void UncaptureUntil(int capturePosition)
                    {
                        while (base.Crawlpos() > capturePosition)
                        {
                            base.Uncapture();
                        }
                    }
                }
            }
        }
 
    }
    
    /// <summary>Custom <see cref="Regex"/>-derived type for the GetPropertyMatcherRegex method.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
    [SkipLocalsInit]
    file sealed class GetPropertyMatcherRegex_1 : Regex
    {
        /// <summary>Cached, thread-safe singleton instance.</summary>
        internal static readonly GetPropertyMatcherRegex_1 Instance = new();
    
        /// <summary>Initializes the instance.</summary>
        private GetPropertyMatcherRegex_1()
        {
            base.pattern = "^\\s*([\\w\\.\\-_]+)\\s*[=:]\\s*(.*?)\\s*([#;].*)?$";
            base.roptions = RegexOptions.None;
            ValidateMatchTimeout(Utilities.s_defaultTimeout);
            base.internalMatchTimeout = Utilities.s_defaultTimeout;
            base.factory = new RunnerFactory();
            base.capsize = 4;
        }
            
        /// <summary>Provides a factory for creating <see cref="RegexRunner"/> instances to be used by methods on <see cref="Regex"/>.</summary>
        private sealed class RunnerFactory : RegexRunnerFactory
        {
            /// <summary>Creates an instance of a <see cref="RegexRunner"/> used by methods on <see cref="Regex"/>.</summary>
            protected override RegexRunner CreateInstance() => new Runner();
        
            /// <summary>Provides the runner that contains the custom logic implementing the specified regular expression.</summary>
            private sealed class Runner : RegexRunner
            {
                /// <summary>Scan the <paramref name="inputSpan"/> starting from base.runtextstart for the next match.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                protected override void Scan(ReadOnlySpan<char> inputSpan)
                {
                    // The pattern is anchored.  Validate the current position and try to match at it only.
                    if (TryFindNextPossibleStartingPosition(inputSpan) && !TryMatchAtCurrentPosition(inputSpan))
                    {
                        base.runtextpos = inputSpan.Length;
                    }
                }
        
                /// <summary>Search <paramref name="inputSpan"/> starting from base.runtextpos for the next location a match could possibly start.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                /// <returns>true if a possible match was found; false if no more matches are possible.</returns>
                private bool TryFindNextPossibleStartingPosition(ReadOnlySpan<char> inputSpan)
                {
                    int pos = base.runtextpos;
                    
                    // Any possible match is at least 2 characters.
                    if (pos <= inputSpan.Length - 2)
                    {
                        // The pattern leads with a beginning (\A) anchor.
                        if (pos == 0)
                        {
                            return true;
                        }
                    }
                    
                    // No match found.
                    base.runtextpos = inputSpan.Length;
                    return false;
                }
        
                /// <summary>Determine whether <paramref name="inputSpan"/> at base.runtextpos is a match for the regular expression.</summary>
                /// <param name="inputSpan">The text being scanned by the regular expression.</param>
                /// <returns>true if the regular expression matches at the current position; otherwise, false.</returns>
                private bool TryMatchAtCurrentPosition(ReadOnlySpan<char> inputSpan)
                {
                    int pos = base.runtextpos;
                    int matchStart = pos;
                    char ch;
                    int capture_starting_pos = 0;
                    int capture_starting_pos1 = 0;
                    int charloop_capture_pos = 0;
                    int charloop_capture_pos1 = 0;
                    int charloop_capture_pos2 = 0;
                    int charloop_capture_pos3 = 0;
                    int charloop_starting_pos = 0, charloop_ending_pos = 0;
                    int charloop_starting_pos1 = 0, charloop_ending_pos1 = 0;
                    int charloop_starting_pos2 = 0, charloop_ending_pos2 = 0;
                    int charloop_starting_pos3 = 0, charloop_ending_pos3 = 0;
                    int charloop_starting_pos4 = 0, charloop_ending_pos4 = 0;
                    int lazyloop_capturepos = 0;
                    int lazyloop_pos = 0;
                    int loop_iteration = 0;
                    int stackpos = 0;
                    ReadOnlySpan<char> slice = inputSpan.Slice(pos);
                    
                    // Match if at the beginning of the string.
                    if (pos != 0)
                    {
                        UncaptureUntil(0);
                        return false; // The input didn't match.
                    }
                    
                    // Match a whitespace character greedily any number of times.
                    //{
                        charloop_starting_pos = pos;
                        
                        int iteration = 0;
                        while ((uint)iteration < (uint)slice.Length && char.IsWhiteSpace(slice[iteration]))
                        {
                            iteration++;
                        }
                        
                        slice = slice.Slice(iteration);
                        pos += iteration;
                        
                        charloop_ending_pos = pos;
                        goto CharLoopEnd;
                        
                        CharLoopBacktrack:
                        UncaptureUntil(charloop_capture_pos);
                        
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                        
                        if (charloop_starting_pos >= charloop_ending_pos)
                        {
                            UncaptureUntil(0);
                            return false; // The input didn't match.
                        }
                        pos = --charloop_ending_pos;
                        slice = inputSpan.Slice(pos);
                        
                        CharLoopEnd:
                        charloop_capture_pos = base.Crawlpos();
                    //}
                    
                    // 1st capture group.
                    //{
                        capture_starting_pos = pos;
                        
                        // Match a character in the set [-._\w] greedily at least once.
                        //{
                            charloop_starting_pos1 = pos;
                            
                            int iteration1 = 0;
                            while ((uint)iteration1 < (uint)slice.Length && ((ch = slice[iteration1]) < 128 ? ("\0\0怀Ͽ\ufffe蟿\ufffe߿"[ch >> 4] & (1 << (ch & 0xF))) != 0 : RegexRunner.CharInClass((char)ch, "\0\u0004\n-/_`\0\u0002\u0004\u0005\u0003\u0001\u0006\t\u0013\0")))
                            {
                                iteration1++;
                            }
                            
                            if (iteration1 == 0)
                            {
                                goto CharLoopBacktrack;
                            }
                            
                            slice = slice.Slice(iteration1);
                            pos += iteration1;
                            
                            charloop_ending_pos1 = pos;
                            charloop_starting_pos1++;
                            goto CharLoopEnd1;
                            
                            CharLoopBacktrack1:
                            UncaptureUntil(charloop_capture_pos1);
                            
                            if (Utilities.s_hasTimeout)
                            {
                                base.CheckTimeout();
                            }
                            
                            if (charloop_starting_pos1 >= charloop_ending_pos1)
                            {
                                goto CharLoopBacktrack;
                            }
                            pos = --charloop_ending_pos1;
                            slice = inputSpan.Slice(pos);
                            
                            CharLoopEnd1:
                            charloop_capture_pos1 = base.Crawlpos();
                        //}
                        
                        base.Capture(1, capture_starting_pos, pos);
                        
                        goto CaptureSkipBacktrack;
                        
                        CaptureBacktrack:
                        goto CharLoopBacktrack1;
                        
                        CaptureSkipBacktrack:;
                    //}
                    
                    // Match a whitespace character atomically any number of times.
                    {
                        int iteration2 = 0;
                        while ((uint)iteration2 < (uint)slice.Length && char.IsWhiteSpace(slice[iteration2]))
                        {
                            iteration2++;
                        }
                        
                        slice = slice.Slice(iteration2);
                        pos += iteration2;
                    }
                    
                    // Match a character in the set [:=].
                    if (slice.IsEmpty || (((ch = slice[0]) != ':') & (ch != '=')))
                    {
                        goto CaptureBacktrack;
                    }
                    
                    // Match a whitespace character greedily any number of times.
                    //{
                        pos++;
                        slice = inputSpan.Slice(pos);
                        charloop_starting_pos2 = pos;
                        
                        int iteration3 = 0;
                        while ((uint)iteration3 < (uint)slice.Length && char.IsWhiteSpace(slice[iteration3]))
                        {
                            iteration3++;
                        }
                        
                        slice = slice.Slice(iteration3);
                        pos += iteration3;
                        
                        charloop_ending_pos2 = pos;
                        goto CharLoopEnd2;
                        
                        CharLoopBacktrack2:
                        UncaptureUntil(charloop_capture_pos2);
                        
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                        
                        if (charloop_starting_pos2 >= charloop_ending_pos2)
                        {
                            goto CaptureBacktrack;
                        }
                        pos = --charloop_ending_pos2;
                        slice = inputSpan.Slice(pos);
                        
                        CharLoopEnd2:
                        charloop_capture_pos2 = base.Crawlpos();
                    //}
                    
                    // 2nd capture group.
                    //{
                        capture_starting_pos1 = pos;
                        
                        // Match a character other than '\n' lazily any number of times.
                        //{
                            lazyloop_pos = pos;
                            goto LazyLoopEnd;
                            
                            LazyLoopBacktrack:
                            UncaptureUntil(lazyloop_capturepos);
                            if (Utilities.s_hasTimeout)
                            {
                                base.CheckTimeout();
                            }
                            
                            pos = lazyloop_pos;
                            slice = inputSpan.Slice(pos);
                            if (slice.IsEmpty || slice[0] == '\n')
                            {
                                goto CharLoopBacktrack2;
                            }
                            pos++;
                            slice = inputSpan.Slice(pos);
                            lazyloop_pos = pos;
                            
                            LazyLoopEnd:
                            lazyloop_capturepos = base.Crawlpos();
                        //}
                        
                        base.Capture(2, capture_starting_pos1, pos);
                        
                        goto CaptureSkipBacktrack1;
                        
                        CaptureBacktrack1:
                        goto LazyLoopBacktrack;
                        
                        CaptureSkipBacktrack1:;
                    //}
                    
                    // Match a whitespace character greedily any number of times.
                    //{
                        charloop_starting_pos3 = pos;
                        
                        int iteration4 = 0;
                        while ((uint)iteration4 < (uint)slice.Length && char.IsWhiteSpace(slice[iteration4]))
                        {
                            iteration4++;
                        }
                        
                        slice = slice.Slice(iteration4);
                        pos += iteration4;
                        
                        charloop_ending_pos3 = pos;
                        goto CharLoopEnd3;
                        
                        CharLoopBacktrack3:
                        UncaptureUntil(charloop_capture_pos3);
                        
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                        
                        if (charloop_starting_pos3 >= charloop_ending_pos3)
                        {
                            goto CaptureBacktrack1;
                        }
                        pos = --charloop_ending_pos3;
                        slice = inputSpan.Slice(pos);
                        
                        CharLoopEnd3:
                        charloop_capture_pos3 = base.Crawlpos();
                    //}
                    
                    // Optional (greedy).
                    //{
                        loop_iteration = 0;
                        
                        LoopBody:
                        Utilities.StackPush(ref base.runstack!, ref stackpos, base.Crawlpos(), pos);
                        
                        loop_iteration++;
                        
                        // 3rd capture group.
                        //{
                            int capture_starting_pos2 = pos;
                            
                            // Match a character in the set [#;].
                            if (slice.IsEmpty || (((ch = slice[0]) != '#') & (ch != ';')))
                            {
                                goto LoopIterationNoMatch;
                            }
                            
                            // Match a character other than '\n' greedily any number of times.
                            //{
                                pos++;
                                slice = inputSpan.Slice(pos);
                                charloop_starting_pos4 = pos;
                                
                                int iteration5 = slice.IndexOf('\n');
                                if (iteration5 < 0)
                                {
                                    iteration5 = slice.Length;
                                }
                                
                                slice = slice.Slice(iteration5);
                                pos += iteration5;
                                
                                charloop_ending_pos4 = pos;
                                goto CharLoopEnd4;
                                
                                CharLoopBacktrack4:
                                UncaptureUntil(base.runstack![--stackpos]);
                                Utilities.StackPop(base.runstack!, ref stackpos, out charloop_ending_pos4, out charloop_starting_pos4);
                                
                                if (Utilities.s_hasTimeout)
                                {
                                    base.CheckTimeout();
                                }
                                
                                if (charloop_starting_pos4 >= charloop_ending_pos4)
                                {
                                    goto LoopIterationNoMatch;
                                }
                                pos = --charloop_ending_pos4;
                                slice = inputSpan.Slice(pos);
                                
                                CharLoopEnd4:
                                Utilities.StackPush(ref base.runstack!, ref stackpos, charloop_starting_pos4, charloop_ending_pos4, base.Crawlpos());
                            //}
                            
                            base.Capture(3, capture_starting_pos2, pos);
                            
                            Utilities.StackPush(ref base.runstack!, ref stackpos, capture_starting_pos2);
                            goto CaptureSkipBacktrack2;
                            
                            CaptureBacktrack2:
                            capture_starting_pos2 = base.runstack![--stackpos];
                            goto CharLoopBacktrack4;
                            
                            CaptureSkipBacktrack2:;
                        //}
                        
                        
                        // The loop has an upper bound of 1. Continue iterating greedily if it hasn't yet been reached.
                        if (loop_iteration == 0)
                        {
                            goto LoopBody;
                        }
                        goto LoopEnd;
                        
                        // The loop iteration failed. Put state back to the way it was before the iteration.
                        LoopIterationNoMatch:
                        if (--loop_iteration < 0)
                        {
                            // Unable to match the remainder of the expression after exhausting the loop.
                            goto CharLoopBacktrack3;
                        }
                        pos = base.runstack![--stackpos];
                        UncaptureUntil(base.runstack![--stackpos]);
                        slice = inputSpan.Slice(pos);
                        goto LoopEnd;
                        
                        LoopBacktrack:
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                        
                        if (loop_iteration == 0)
                        {
                            // No iterations of the loop remain to backtrack into. Fail the loop.
                            goto CharLoopBacktrack3;
                        }
                        goto CaptureBacktrack2;
                        LoopEnd:;
                    //}
                    
                    // Match if at the end of the string or if before an ending newline.
                    if (pos < inputSpan.Length - 1 || ((uint)pos < (uint)inputSpan.Length && inputSpan[pos] != '\n'))
                    {
                        goto LoopBacktrack;
                    }
                    
                    // The input matched.
                    base.runtextpos = pos;
                    base.Capture(0, matchStart, pos);
                    return true;
                    
                    // <summary>Undo captures until it reaches the specified capture position.</summary>
                    [MethodImpl(MethodImplOptions.AggressiveInlining)]
                    void UncaptureUntil(int capturePosition)
                    {
                        while (base.Crawlpos() > capturePosition)
                        {
                            base.Uncapture();
                        }
                    }
                }
            }
        }
 
    }
    
    /// <summary>Helper methods used by generated <see cref="Regex"/>-derived implementations.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "9.0.12.41916")]
    file static class Utilities
    {
        /// <summary>Default timeout value set in <see cref="AppContext"/>, or <see cref="Regex.InfiniteMatchTimeout"/> if none was set.</summary>
        internal static readonly TimeSpan s_defaultTimeout = AppContext.GetData("REGEX_DEFAULT_MATCH_TIMEOUT") is TimeSpan timeout ? timeout : Regex.InfiniteMatchTimeout;
        
        /// <summary>Whether <see cref="s_defaultTimeout"/> is non-infinite.</summary>
        internal static readonly bool s_hasTimeout = s_defaultTimeout != Regex.InfiniteMatchTimeout;
        
        /// <summary>Pops 2 values from the backtracking stack.</summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static void StackPop(int[] stack, ref int pos, out int arg0, out int arg1)
        {
            arg0 = stack[--pos];
            arg1 = stack[--pos];
        }
        
        /// <summary>Pushes 1 value onto the backtracking stack.</summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static void StackPush(ref int[] stack, ref int pos, int arg0)
        {
            // If there's space available for the value, store it.
            int[] s = stack;
            int p = pos;
            if ((uint)p < (uint)s.Length)
            {
                s[p] = arg0;
                pos++;
                return;
            }
        
            // Otherwise, resize the stack to make room and try again.
            WithResize(ref stack, ref pos, arg0);
        
            // <summary>Resize the backtracking stack array and push 1 value onto the stack.</summary>
            [MethodImpl(MethodImplOptions.NoInlining)]
            static void WithResize(ref int[] stack, ref int pos, int arg0)
            {
                Array.Resize(ref stack, (pos + 0) * 2);
                StackPush(ref stack, ref pos, arg0);
            }
        }
        
        /// <summary>Pushes 2 values onto the backtracking stack.</summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static void StackPush(ref int[] stack, ref int pos, int arg0, int arg1)
        {
            // If there's space available for all 2 values, store them.
            int[] s = stack;
            int p = pos;
            if ((uint)(p + 1) < (uint)s.Length)
            {
                s[p] = arg0;
                s[p + 1] = arg1;
                pos += 2;
                return;
            }
        
            // Otherwise, resize the stack to make room and try again.
            WithResize(ref stack, ref pos, arg0, arg1);
        
            // <summary>Resize the backtracking stack array and push 2 values onto the stack.</summary>
            [MethodImpl(MethodImplOptions.NoInlining)]
            static void WithResize(ref int[] stack, ref int pos, int arg0, int arg1)
            {
                Array.Resize(ref stack, (pos + 1) * 2);
                StackPush(ref stack, ref pos, arg0, arg1);
            }
        }
        
        /// <summary>Pushes 3 values onto the backtracking stack.</summary>
        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        internal static void StackPush(ref int[] stack, ref int pos, int arg0, int arg1, int arg2)
        {
            // If there's space available for all 3 values, store them.
            int[] s = stack;
            int p = pos;
            if ((uint)(p + 2) < (uint)s.Length)
            {
                s[p] = arg0;
                s[p + 1] = arg1;
                s[p + 2] = arg2;
                pos += 3;
                return;
            }
        
            // Otherwise, resize the stack to make room and try again.
            WithResize(ref stack, ref pos, arg0, arg1, arg2);
        
            // <summary>Resize the backtracking stack array and push 3 values onto the stack.</summary>
            [MethodImpl(MethodImplOptions.NoInlining)]
            static void WithResize(ref int[] stack, ref int pos, int arg0, int arg1, int arg2)
            {
                Array.Resize(ref stack, (pos + 2) * 2);
                StackPush(ref stack, ref pos, arg0, arg1, arg2);
            }
        }
    }
}