// <auto-generated/>
#nullable enable
#pragma warning disable

namespace Microsoft.Build.Framework
{
    partial class NodeModeHelper
    {
        /// <remarks>
        /// Pattern:<br/>
        /// <code>/nodemode:(?&lt;nodemode&gt;[a-zA-Z0-9]+)(?:\s|$)</code><br/>
        /// Options:<br/>
        /// <code>RegexOptions.IgnoreCase</code><br/>
        /// Explanation:<br/>
        /// <code>
        /// ○ Match '/'.<br/>
        /// ○ Match a character in the set [Nn].<br/>
        /// ○ Match a character in the set [Oo].<br/>
        /// ○ Match a character in the set [Dd].<br/>
        /// ○ Match a character in the set [Ee].<br/>
        /// ○ Match a character in the set [Mm].<br/>
        /// ○ Match a character in the set [Oo].<br/>
        /// ○ Match a character in the set [Dd].<br/>
        /// ○ Match a character in the set [Ee].<br/>
        /// ○ Match ':'.<br/>
        /// ○ "nodemode" capture group.<br/>
        ///     ○ Match a character in the set [0-9A-Za-z\u212A] atomically at least once.<br/>
        /// ○ Match with 2 alternative expressions, atomically.<br/>
        ///     ○ Match a whitespace character.<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", "11.0.14.37215")]
        private static partial global::System.Text.RegularExpressions.Regex CommandLineNodeModeRegex => global::System.Text.RegularExpressions.Generated.CommandLineNodeModeRegex_0.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 CommandLineNodeModeRegex method.</summary>
    [GeneratedCodeAttribute("System.Text.RegularExpressions.Generator", "11.0.14.37215")]
    [SkipLocalsInit]
    file sealed class CommandLineNodeModeRegex_0 : Regex
    {
        /// <summary>Cached, thread-safe singleton instance.</summary>
        internal static readonly CommandLineNodeModeRegex_0 Instance = new();
    
        /// <summary>Initializes the instance.</summary>
        private CommandLineNodeModeRegex_0()
        {
            base.pattern = "/nodemode:(?<nodemode>[a-zA-Z0-9]+)(?:\\s|$)";
            base.roptions = RegexOptions.IgnoreCase;
            ValidateMatchTimeout(Utilities.s_defaultTimeout);
            base.internalMatchTimeout = Utilities.s_defaultTimeout;
            base.factory = new RunnerFactory();
            base.CapNames = new Hashtable { { "0", 0 } ,  { "nodemode", 1 }  };
            base.capslist = new string[] {"0", "nodemode" };
            base.capsize = 2;
        }
            
        /// <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)
                {
                    // Search until we can't find a valid starting position, we find a match, or we reach the end of the input.
                    while (TryFindNextPossibleStartingPosition(inputSpan) &&
                           !TryMatchAtCurrentPosition(inputSpan) &&
                           base.runtextpos != inputSpan.Length)
                    {
                        base.runtextpos++;
                        if (Utilities.s_hasTimeout)
                        {
                            base.CheckTimeout();
                        }
                    }
                }
        
                /// <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 11 characters.
                    if (pos <= inputSpan.Length - 11)
                    {
                        // The pattern has the literal "/nodemode:" ordinal case-insensitive at the beginning of the pattern. Find the next occurrence.
                        // If it can't be found, there's no match.
                        int i = inputSpan.Slice(pos).IndexOfAny(Utilities.s_indexOfString_B1A5BEBECC5C8A1E8BF295466F7B4433B7A626CE589BACFA6118E8D9F65D9135);
                        if (i >= 0)
                        {
                            base.runtextpos = pos + i;
                            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;
                    int capture_starting_pos = 0;
                    ReadOnlySpan<char> slice = inputSpan.Slice(pos);
                    
                    if ((uint)slice.Length < 10 ||
                        !slice.StartsWith("/nodemode:", StringComparison.OrdinalIgnoreCase)) // Match the string "/nodemode:" (ordinal case-insensitive)
                    {
                        UncaptureUntil(0);
                        return false; // The input didn't match.
                    }
                    
                    // "nodemode" capture group.
                    {
                        pos += 10;
                        slice = inputSpan.Slice(pos);
                        capture_starting_pos = pos;
                        
                        // Match a character in the set [0-9A-Za-z\u212A] atomically at least once.
                        {
                            int iteration = slice.IndexOfAnyExcept(Utilities.s_asciiLettersAndDigitsAndKelvinSign);
                            if (iteration < 0)
                            {
                                iteration = slice.Length;
                            }
                            
                            if (iteration == 0)
                            {
                                UncaptureUntil(0);
                                return false; // The input didn't match.
                            }
                            
                            slice = slice.Slice(iteration);
                            pos += iteration;
                        }
                        
                        base.Capture(1, capture_starting_pos, pos);
                    }
                    
                    // Match with 2 alternative expressions, atomically.
                    {
                        int alternation_starting_pos = pos;
                        
                        // Branch 0
                        {
                            // Match a whitespace character.
                            if (slice.IsEmpty || !char.IsWhiteSpace(slice[0]))
                            {
                                goto AlternationBranch;
                            }
                            
                            pos++;
                            slice = inputSpan.Slice(pos);
                            goto AlternationMatch;
                            
                            AlternationBranch:
                            pos = alternation_starting_pos;
                            slice = inputSpan.Slice(pos);
                        }
                        
                        // Branch 1
                        {
                            // 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'))
                            {
                                UncaptureUntil(0);
                                return false; // The input didn't match.
                            }
                            
                        }
                        
                        AlternationMatch:;
                    }
                    
                    // 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", "11.0.14.37215")]
    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>Supports searching for characters in or not in "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzK".</summary>
        internal static readonly SearchValues<char> s_asciiLettersAndDigitsAndKelvinSign = SearchValues.Create("0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyzK");
        
        /// <summary>Supports searching for the string "/nodemode:".</summary>
        internal static readonly SearchValues<string> s_indexOfString_B1A5BEBECC5C8A1E8BF295466F7B4433B7A626CE589BACFA6118E8D9F65D9135 = SearchValues.Create(["/nodemode:"], StringComparison.OrdinalIgnoreCase);
    }
}